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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-07-24 16:51:18 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-07-24 16:51:18 -0700 |
| commit | 53a7ff8fb785839b87f950fd85433d9c662fac89 (patch) | |
| tree | 119840a23e5226d3f258e2309b4ef1d328535dd2 | |
| parent | 4323418d62fefe48ee5019f2c744c918be06ec69 (diff) | |
| parent | 072a7852338af900c302490474939e089f4bd4c4 (diff) | |
| download | op-kernel-dev-53a7ff8fb785839b87f950fd85433d9c662fac89.zip op-kernel-dev-53a7ff8fb785839b87f950fd85433d9c662fac89.tar.gz | |
Merge branch 'bind_unbind' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core into next
This brings in devm_device_add_group() and friends so that we can create
driver-specific device attributes as managed resources.
1174 files changed, 10863 insertions, 6924 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 15f79c2..7737ab5 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -866,6 +866,15 @@ dscc4.setup= [NET] + dt_cpu_ftrs= [PPC] + Format: {"off" | "known"} + Control how the dt_cpu_ftrs device-tree binding is + used for CPU feature discovery and setup (if it + exists). + off: Do not use it, fall back to legacy cpu table. + known: Do not pass through unknown features to guests + or userspace, only those that the kernel is aware of. + dump_apple_properties [X86] Dump name and content of EFI device properties on x86 Macs. Useful for driver authors to determine @@ -3802,6 +3811,13 @@ expediting. Set to zero to disable automatic expediting. + stack_guard_gap= [MM] + override the default stack gap protection. The value + is in page units and it defines how many pages prior + to (for stacks growing down) resp. after (for stacks + growing up) the main stack are reserved for no other + mapping. Default value is 256 pages. + stacktrace [FTRACE] Enabled the stack tracer on boot up. diff --git a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt index e9c5a1d..f465647 100644 --- a/Documentation/devicetree/bindings/clock/sunxi-ccu.txt +++ b/Documentation/devicetree/bindings/clock/sunxi-ccu.txt @@ -22,7 +22,8 @@ Required properties : - #clock-cells : must contain 1 - #reset-cells : must contain 1 -For the PRCM CCUs on H3/A64, one more clock is needed: +For the PRCM CCUs on H3/A64, two more clocks are needed: +- "pll-periph": the SoC's peripheral PLL from the main CCU - "iosc": the SoC's internal frequency oscillator Example for generic CCU: @@ -39,8 +40,8 @@ Example for PRCM CCU: r_ccu: clock@01f01400 { compatible = "allwinner,sun50i-a64-r-ccu"; reg = <0x01f01400 0x100>; - clocks = <&osc24M>, <&osc32k>, <&iosc>; - clock-names = "hosc", "losc", "iosc"; + clocks = <&osc24M>, <&osc32k>, <&iosc>, <&ccu CLK_PLL_PERIPH0>; + clock-names = "hosc", "losc", "iosc", "pll-periph"; #clock-cells = <1>; #reset-cells = <1>; }; diff --git a/Documentation/devicetree/bindings/gpio/gpio-mvebu.txt b/Documentation/devicetree/bindings/gpio/gpio-mvebu.txt index 42c3bb2..01e331a 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-mvebu.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-mvebu.txt @@ -41,9 +41,9 @@ Required properties: Optional properties: In order to use the GPIO lines in PWM mode, some additional optional -properties are required. Only Armada 370 and XP support these properties. +properties are required. -- compatible: Must contain "marvell,armada-370-xp-gpio" +- compatible: Must contain "marvell,armada-370-gpio" - reg: an additional register set is needed, for the GPIO Blink Counter on/off registers. @@ -71,7 +71,7 @@ Example: }; gpio1: gpio@18140 { - compatible = "marvell,armada-370-xp-gpio"; + compatible = "marvell,armada-370-gpio"; reg = <0x18140 0x40>, <0x181c8 0x08>; reg-names = "gpio", "pwm"; ngpios = <17>; diff --git a/Documentation/devicetree/bindings/mfd/stm32-timers.txt b/Documentation/devicetree/bindings/mfd/stm32-timers.txt index bbd083f..1db6e00 100644 --- a/Documentation/devicetree/bindings/mfd/stm32-timers.txt +++ b/Documentation/devicetree/bindings/mfd/stm32-timers.txt @@ -31,7 +31,7 @@ Example: compatible = "st,stm32-timers"; reg = <0x40010000 0x400>; clocks = <&rcc 0 160>; - clock-names = "clk_int"; + clock-names = "int"; pwm { compatible = "st,stm32-pwm"; diff --git a/Documentation/devicetree/bindings/net/dsa/b53.txt b/Documentation/devicetree/bindings/net/dsa/b53.txt index d6c6e41..8ec2ca2 100644 --- a/Documentation/devicetree/bindings/net/dsa/b53.txt +++ b/Documentation/devicetree/bindings/net/dsa/b53.txt @@ -34,7 +34,7 @@ Required properties: "brcm,bcm6328-switch" "brcm,bcm6368-switch" and the mandatory "brcm,bcm63xx-switch" -See Documentation/devicetree/bindings/dsa/dsa.txt for a list of additional +See Documentation/devicetree/bindings/net/dsa/dsa.txt for a list of additional required and optional properties. Examples: diff --git a/Documentation/devicetree/bindings/net/dsa/marvell.txt b/Documentation/devicetree/bindings/net/dsa/marvell.txt index 7ef9dbb..1d4d0f4 100644 --- a/Documentation/devicetree/bindings/net/dsa/marvell.txt +++ b/Documentation/devicetree/bindings/net/dsa/marvell.txt @@ -26,6 +26,10 @@ Optional properties: - interrupt-controller : Indicates the switch is itself an interrupt controller. This is used for the PHY interrupts. #interrupt-cells = <2> : Controller uses two cells, number and flag +- eeprom-length : Set to the length of an EEPROM connected to the + switch. Must be set if the switch can not detect + the presence and/or size of a connected EEPROM, + otherwise optional. - mdio : Container of PHY and devices on the switches MDIO bus. - mdio? : Container of PHYs and devices on the external MDIO diff --git a/Documentation/devicetree/bindings/net/smsc911x.txt b/Documentation/devicetree/bindings/net/smsc911x.txt index 16c3a950..acfafc8 100644 --- a/Documentation/devicetree/bindings/net/smsc911x.txt +++ b/Documentation/devicetree/bindings/net/smsc911x.txt @@ -27,6 +27,7 @@ Optional properties: of the device. On many systems this is wired high so the device goes out of reset at power-on, but if it is under program control, this optional GPIO can wake up in response to it. +- vdd33a-supply, vddvario-supply : 3.3V analog and IO logic power supplies Examples: diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt index 71a3c13..f01d154 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt @@ -247,7 +247,6 @@ bias-bus-hold - latch weakly bias-pull-up - pull up the pin bias-pull-down - pull down the pin bias-pull-pin-default - use pin-default pull state -bi-directional - pin supports simultaneous input/output operations drive-push-pull - drive actively high and low drive-open-drain - drive with open drain drive-open-source - drive with open source @@ -260,7 +259,6 @@ input-debounce - debounce mode with debound time X power-source - select between different power supplies low-power-enable - enable low power mode low-power-disable - disable low power mode -output-enable - enable output on pin regardless of output value output-low - set the pin to output mode with low level output-high - set the pin to output mode with high level slew-rate - set the slew rate diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt index 00bea03..fcf199b 100644 --- a/Documentation/devicetree/bindings/usb/dwc2.txt +++ b/Documentation/devicetree/bindings/usb/dwc2.txt @@ -10,6 +10,7 @@ Required properties: - "rockchip,rk3288-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3288 Soc; - "lantiq,arx100-usb": The DWC2 USB controller instance in Lantiq ARX SoCs; - "lantiq,xrx200-usb": The DWC2 USB controller instance in Lantiq XRX SoCs; + - "amlogic,meson8-usb": The DWC2 USB controller instance in Amlogic Meson8 SoCs; - "amlogic,meson8b-usb": The DWC2 USB controller instance in Amlogic Meson8b SoCs; - "amlogic,meson-gxbb-usb": The DWC2 USB controller instance in Amlogic S905 SoCs; - "amcc,dwc-otg": The DWC2 USB controller instance in AMCC Canyonlands 460EX SoCs; diff --git a/Documentation/networking/dpaa.txt b/Documentation/networking/dpaa.txt new file mode 100644 index 0000000..76e016d --- /dev/null +++ b/Documentation/networking/dpaa.txt @@ -0,0 +1,194 @@ +The QorIQ DPAA Ethernet Driver +============================== + +Authors: +Madalin Bucur <madalin.bucur@nxp.com> +Camelia Groza <camelia.groza@nxp.com> + +Contents +======== + + - DPAA Ethernet Overview + - DPAA Ethernet Supported SoCs + - Configuring DPAA Ethernet in your kernel + - DPAA Ethernet Frame Processing + - DPAA Ethernet Features + - Debugging + +DPAA Ethernet Overview +====================== + +DPAA stands for Data Path Acceleration Architecture and it is a +set of networking acceleration IPs that are available on several +generations of SoCs, both on PowerPC and ARM64. + +The Freescale DPAA architecture consists of a series of hardware blocks +that support Ethernet connectivity. The Ethernet driver depends upon the +following drivers in the Linux kernel: + + - Peripheral Access Memory Unit (PAMU) (* needed only for PPC platforms) + drivers/iommu/fsl_* + - Frame Manager (FMan) + drivers/net/ethernet/freescale/fman + - Queue Manager (QMan), Buffer Manager (BMan) + drivers/soc/fsl/qbman + +A simplified view of the dpaa_eth interfaces mapped to FMan MACs: + + dpaa_eth /eth0\ ... /ethN\ + driver | | | | + ------------- ---- ----------- ---- ------------- + -Ports / Tx Rx \ ... / Tx Rx \ + FMan | | | | + -MACs | MAC0 | | MACN | + / dtsec0 \ ... / dtsecN \ (or tgec) + / \ / \(or memac) + --------- -------------- --- -------------- --------- + FMan, FMan Port, FMan SP, FMan MURAM drivers + --------------------------------------------------------- + FMan HW blocks: MURAM, MACs, Ports, SP + --------------------------------------------------------- + +The dpaa_eth relation to the QMan, BMan and FMan: + ________________________________ + dpaa_eth / eth0 \ + driver / \ + --------- -^- -^- -^- --- --------- + QMan driver / \ / \ / \ \ / | BMan | + |Rx | |Rx | |Tx | |Tx | | driver | + --------- |Dfl| |Err| |Cnf| |FQs| | | + QMan HW |FQ | |FQ | |FQs| | | | | + / \ / \ / \ \ / | | + --------- --- --- --- -v- --------- + | FMan QMI | | + | FMan HW FMan BMI | BMan HW | + ----------------------- -------- + +where the acronyms used above (and in the code) are: +DPAA = Data Path Acceleration Architecture +FMan = DPAA Frame Manager +QMan = DPAA Queue Manager +BMan = DPAA Buffers Manager +QMI = QMan interface in FMan +BMI = BMan interface in FMan +FMan SP = FMan Storage Profiles +MURAM = Multi-user RAM in FMan +FQ = QMan Frame Queue +Rx Dfl FQ = default reception FQ +Rx Err FQ = Rx error frames FQ +Tx Cnf FQ = Tx confirmation FQs +Tx FQs = transmission frame queues +dtsec = datapath three speed Ethernet controller (10/100/1000 Mbps) +tgec = ten gigabit Ethernet controller (10 Gbps) +memac = multirate Ethernet MAC (10/100/1000/10000) + +DPAA Ethernet Supported SoCs +============================ + +The DPAA drivers enable the Ethernet controllers present on the following SoCs: + +# PPC +P1023 +P2041 +P3041 +P4080 +P5020 +P5040 +T1023 +T1024 +T1040 +T1042 +T2080 +T4240 +B4860 + +# ARM +LS1043A +LS1046A + +Configuring DPAA Ethernet in your kernel +======================================== + +To enable the DPAA Ethernet driver, the following Kconfig options are required: + +# common for arch/arm64 and arch/powerpc platforms +CONFIG_FSL_DPAA=y +CONFIG_FSL_FMAN=y +CONFIG_FSL_DPAA_ETH=y +CONFIG_FSL_XGMAC_MDIO=y + +# for arch/powerpc only +CONFIG_FSL_PAMU=y + +# common options needed for the PHYs used on the RDBs +CONFIG_VITESSE_PHY=y +CONFIG_REALTEK_PHY=y +CONFIG_AQUANTIA_PHY=y + +DPAA Ethernet Frame Processing +============================== + +On Rx, buffers for the incoming frames are retrieved from one of the three +existing buffers pools. The driver initializes and seeds these, each with +buffers of different sizes: 1KB, 2KB and 4KB. + +On Tx, all transmitted frames are returned to the driver through Tx +confirmation frame queues. The driver is then responsible for freeing the +buffers. In order to do this properly, a backpointer is added to the buffer +before transmission that points to the skb. When the buffer returns to the +driver on a confirmation FQ, the skb can be correctly consumed. + +DPAA Ethernet Features +====================== + +Currently the DPAA Ethernet driver enables the basic features required for +a Linux Ethernet driver. The support for advanced features will be added +gradually. + +The driver has Rx and Tx checksum offloading for UDP and TCP. Currently the Rx +checksum offload feature is enabled by default and cannot be controlled through +ethtool. + +The driver has support for multiple prioritized Tx traffic classes. Priorities +range from 0 (lowest) to 3 (highest). These are mapped to HW workqueues with +strict priority levels. Each traffic class contains NR_CPU TX queues. By +default, only one traffic class is enabled and the lowest priority Tx queues +are used. Higher priority traffic classes can be enabled with the mqprio +qdisc. For example, all four traffic classes are enabled on an interface with +the following command. Furthermore, skb priority levels are mapped to traffic +classes as follows: + + * priorities 0 to 3 - traffic class 0 (low priority) + * priorities 4 to 7 - traffic class 1 (medium-low priority) + * priorities 8 to 11 - traffic class 2 (medium-high priority) + * priorities 12 to 15 - traffic class 3 (high priority) + +tc qdisc add dev <int> root handle 1: \ + mqprio num_tc 4 map 0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 hw 1 + +Debugging +========= + +The following statistics are exported for each interface through ethtool: + + - interrupt count per CPU + - Rx packets count per CPU + - Tx packets count per CPU + - Tx confirmed packets count per CPU + - Tx S/G frames count per CPU + - Tx error count per CPU + - Rx error count per CPU + - Rx error count per type + - congestion related statistics: + - congestion status + - time spent in congestion + - number of time the device entered congestion + - dropped packets count per cause + +The driver also exports the following information in sysfs: + + - the FQ IDs for each FQ type + /sys/devices/platform/dpaa-ethernet.0/net/<int>/fqids + + - the IDs of the buffer pools in use + /sys/devices/platform/dpaa-ethernet.0/net/<int>/bpids diff --git a/Documentation/networking/scaling.txt b/Documentation/networking/scaling.txt index 59f4db2..f55639d 100644 --- a/Documentation/networking/scaling.txt +++ b/Documentation/networking/scaling.txt @@ -122,7 +122,7 @@ associated flow of the packet. The hash is either provided by hardware or will be computed in the stack. Capable hardware can pass the hash in the receive descriptor for the packet; this would usually be the same hash used for RSS (e.g. computed Toeplitz hash). The hash is saved in -skb->rx_hash and can be used elsewhere in the stack as a hash of the +skb->hash and can be used elsewhere in the stack as a hash of the packet’s flow. Each receive hardware queue has an associated list of CPUs to which diff --git a/Documentation/networking/tcp.txt b/Documentation/networking/tcp.txt index bdc4c0d..9c7139d 100644 --- a/Documentation/networking/tcp.txt +++ b/Documentation/networking/tcp.txt @@ -1,7 +1,7 @@ TCP protocol ============ -Last updated: 9 February 2008 +Last updated: 3 June 2017 Contents ======== @@ -29,18 +29,19 @@ As of 2.6.13, Linux supports pluggable congestion control algorithms. A congestion control mechanism can be registered through functions in tcp_cong.c. The functions used by the congestion control mechanism are registered via passing a tcp_congestion_ops struct to -tcp_register_congestion_control. As a minimum name, ssthresh, -cong_avoid must be valid. +tcp_register_congestion_control. As a minimum, the congestion control +mechanism must provide a valid name and must implement either ssthresh, +cong_avoid and undo_cwnd hooks or the "omnipotent" cong_control hook. Private data for a congestion control mechanism is stored in tp->ca_priv. tcp_ca(tp) returns a pointer to this space. This is preallocated space - it is important to check the size of your private data will fit this space, or -alternatively space could be allocated elsewhere and a pointer to it could +alternatively, space could be allocated elsewhere and a pointer to it could be stored here. There are three kinds of congestion control algorithms currently: The simplest ones are derived from TCP reno (highspeed, scalable) and just -provide an alternative the congestion window calculation. More complex +provide an alternative congestion window calculation. More complex ones like BIC try to look at other events to provide better heuristics. There are also round trip time based algorithms like Vegas and Westwood+. @@ -49,21 +50,15 @@ Good TCP congestion control is a complex problem because the algorithm needs to maintain fairness and performance. Please review current research and RFC's before developing new modules. -The method that is used to determine which congestion control mechanism is -determined by the setting of the sysctl net.ipv4.tcp_congestion_control. -The default congestion control will be the last one registered (LIFO); -so if you built everything as modules, the default will be reno. If you -build with the defaults from Kconfig, then CUBIC will be builtin (not a -module) and it will end up the default. +The default congestion control mechanism is chosen based on the +DEFAULT_TCP_CONG Kconfig parameter. If you really want a particular default +value then you can set it using sysctl net.ipv4.tcp_congestion_control. The +module will be autoloaded if needed and you will get the expected protocol. If +you ask for an unknown congestion method, then the sysctl attempt will fail. -If you really want a particular default value then you will need -to set it with the sysctl. If you use a sysctl, the module will be autoloaded -if needed and you will get the expected protocol. If you ask for an -unknown congestion method, then the sysctl attempt will fail. - -If you remove a tcp congestion control module, then you will get the next +If you remove a TCP congestion control module, then you will get the next available one. Since reno cannot be built as a module, and cannot be -deleted, it will always be available. +removed, it will always be available. How the new TCP output machine [nyi] works. =========================================== diff --git a/MAINTAINERS b/MAINTAINERS index e14c5aa..759dce7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1172,7 +1172,7 @@ N: clps711x ARM/CIRRUS LOGIC EP93XX ARM ARCHITECTURE M: Hartley Sweeten <hsweeten@visionengravers.com> -M: Ryan Mallon <rmallon@gmail.com> +M: Alexander Sverdlin <alexander.sverdlin@gmail.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained F: arch/arm/mach-ep93xx/ @@ -1489,13 +1489,15 @@ M: Gregory Clement <gregory.clement@free-electrons.com> M: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained -F: arch/arm/mach-mvebu/ -F: drivers/rtc/rtc-armada38x.c F: arch/arm/boot/dts/armada* F: arch/arm/boot/dts/kirkwood* +F: arch/arm/configs/mvebu_*_defconfig +F: arch/arm/mach-mvebu/ F: arch/arm64/boot/dts/marvell/armada* F: drivers/cpufreq/mvebu-cpufreq.c -F: arch/arm/configs/mvebu_*_defconfig +F: drivers/irqchip/irq-armada-370-xp.c +F: drivers/irqchip/irq-mvebu-* +F: drivers/rtc/rtc-armada38x.c ARM/Marvell Berlin SoC support M: Jisheng Zhang <jszhang@marvell.com> @@ -1721,7 +1723,6 @@ N: rockchip ARM/SAMSUNG EXYNOS ARM ARCHITECTURES M: Kukjin Kim <kgene@kernel.org> M: Krzysztof Kozlowski <krzk@kernel.org> -R: Javier Martinez Canillas <javier@osg.samsung.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers) Q: https://patchwork.kernel.org/project/linux-samsung-soc/list/ @@ -1829,7 +1830,6 @@ F: drivers/edac/altera_edac. ARM/STI ARCHITECTURE M: Patrice Chotard <patrice.chotard@st.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) -L: kernel@stlinux.com W: http://www.stlinux.com S: Maintained F: arch/arm/mach-sti/ @@ -2964,7 +2964,7 @@ F: sound/pci/oxygen/ C6X ARCHITECTURE M: Mark Salter <msalter@redhat.com> -M: Aurelien Jacquiot <a-jacquiot@ti.com> +M: Aurelien Jacquiot <jacquiot.aurelien@gmail.com> L: linux-c6x-dev@linux-c6x.org W: http://www.linux-c6x.org/wiki/index.php/Main_Page S: Maintained @@ -5628,7 +5628,7 @@ F: scripts/get_maintainer.pl GENWQE (IBM Generic Workqueue Card) M: Frank Haverkamp <haver@linux.vnet.ibm.com> -M: Gabriel Krisman Bertazi <krisman@linux.vnet.ibm.com> +M: Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com> S: Supported F: drivers/misc/genwqe/ @@ -5673,7 +5673,6 @@ F: tools/testing/selftests/gpio/ GPIO SUBSYSTEM M: Linus Walleij <linus.walleij@linaro.org> -M: Alexandre Courbot <gnurou@gmail.com> L: linux-gpio@vger.kernel.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git S: Maintained @@ -7715,7 +7714,7 @@ F: drivers/platform/x86/hp_accel.c LIVE PATCHING M: Josh Poimboeuf <jpoimboe@redhat.com> -M: Jessica Yu <jeyu@redhat.com> +M: Jessica Yu <jeyu@kernel.org> M: Jiri Kosina <jikos@kernel.org> M: Miroslav Benes <mbenes@suse.cz> R: Petr Mladek <pmladek@suse.com> @@ -8516,7 +8515,7 @@ S: Odd Fixes F: drivers/media/radio/radio-miropcm20* MELLANOX MLX4 core VPI driver -M: Yishai Hadas <yishaih@mellanox.com> +M: Tariq Toukan <tariqt@mellanox.com> L: netdev@vger.kernel.org L: linux-rdma@vger.kernel.org W: http://www.mellanox.com @@ -8524,7 +8523,6 @@ Q: http://patchwork.ozlabs.org/project/netdev/list/ S: Supported F: drivers/net/ethernet/mellanox/mlx4/ F: include/linux/mlx4/ -F: include/uapi/rdma/mlx4-abi.h MELLANOX MLX4 IB driver M: Yishai Hadas <yishaih@mellanox.com> @@ -8534,6 +8532,7 @@ Q: http://patchwork.kernel.org/project/linux-rdma/list/ S: Supported F: drivers/infiniband/hw/mlx4/ F: include/linux/mlx4/ +F: include/uapi/rdma/mlx4-abi.h MELLANOX MLX5 core VPI driver M: Saeed Mahameed <saeedm@mellanox.com> @@ -8546,7 +8545,6 @@ Q: http://patchwork.ozlabs.org/project/netdev/list/ S: Supported F: drivers/net/ethernet/mellanox/mlx5/core/ F: include/linux/mlx5/ -F: include/uapi/rdma/mlx5-abi.h MELLANOX MLX5 IB driver M: Matan Barak <matanb@mellanox.com> @@ -8557,6 +8555,7 @@ Q: http://patchwork.kernel.org/project/linux-rdma/list/ S: Supported F: drivers/infiniband/hw/mlx5/ F: include/linux/mlx5/ +F: include/uapi/rdma/mlx5-abi.h MELEXIS MLX90614 DRIVER M: Crt Mori <cmo@melexis.com> @@ -8596,7 +8595,7 @@ S: Maintained F: drivers/media/dvb-frontends/mn88473* MODULE SUPPORT -M: Jessica Yu <jeyu@redhat.com> +M: Jessica Yu <jeyu@kernel.org> M: Rusty Russell <rusty@rustcorp.com.au> T: git git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux.git modules-next S: Maintained @@ -10458,7 +10457,7 @@ S: Orphan PXA RTC DRIVER M: Robert Jarzmik <robert.jarzmik@free.fr> -L: rtc-linux@googlegroups.com +L: linux-rtc@vger.kernel.org S: Maintained QAT DRIVER @@ -10765,7 +10764,7 @@ X: kernel/torture.c REAL TIME CLOCK (RTC) SUBSYSTEM M: Alessandro Zummo <a.zummo@towertech.it> M: Alexandre Belloni <alexandre.belloni@free-electrons.com> -L: rtc-linux@googlegroups.com +L: linux-rtc@vger.kernel.org Q: http://patchwork.ozlabs.org/project/rtc-linux/list/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git S: Maintained @@ -11276,7 +11275,6 @@ F: drivers/media/rc/serial_ir.c STI CEC DRIVER M: Benjamin Gaignard <benjamin.gaignard@linaro.org> -L: kernel@stlinux.com S: Maintained F: drivers/staging/media/st-cec/ F: Documentation/devicetree/bindings/media/stih-cec.txt @@ -11786,6 +11784,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git S: Supported F: arch/arm/mach-davinci/ F: drivers/i2c/busses/i2c-davinci.c +F: arch/arm/boot/dts/da850* TI DAVINCI SERIES MEDIA DRIVER M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com> @@ -13869,7 +13868,7 @@ S: Odd fixes F: drivers/net/wireless/wl3501* WOLFSON MICROELECTRONICS DRIVERS -L: patches@opensource.wolfsonmicro.com +L: patches@opensource.cirrus.com T: git https://github.com/CirrusLogic/linux-drivers.git W: https://github.com/CirrusLogic/linux-drivers/wiki S: Supported @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 12 SUBLEVEL = 0 -EXTRAVERSION = -rc3 +EXTRAVERSION = NAME = Fearless Coyote # *DOCUMENTATION* @@ -1437,7 +1437,7 @@ help: @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build' @echo ' make V=2 [targets] 2 => give reason for rebuild of target' @echo ' make O=dir [targets] Locate all output files in "dir", including .config' - @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)' + @echo ' make C=1 [targets] Check re-compiled c source with $$CHECK (sparse by default)' @echo ' make C=2 [targets] Force check of all c source with $$CHECK' @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections' @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where' diff --git a/arch/arc/include/asm/processor.h b/arch/arc/include/asm/processor.h index 6e1242d..4104a08 100644 --- a/arch/arc/include/asm/processor.h +++ b/arch/arc/include/asm/processor.h @@ -86,8 +86,6 @@ struct task_struct; #define TSK_K_BLINK(tsk) TSK_K_REG(tsk, 4) #define TSK_K_FP(tsk) TSK_K_REG(tsk, 0) -#define thread_saved_pc(tsk) TSK_K_BLINK(tsk) - extern void start_thread(struct pt_regs * regs, unsigned long pc, unsigned long usp); diff --git a/arch/arc/mm/mmap.c b/arch/arc/mm/mmap.c index 3e25e8d..2e13683 100644 --- a/arch/arc/mm/mmap.c +++ b/arch/arc/mm/mmap.c @@ -65,7 +65,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 4c1a35f..c0fcab6 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1416,6 +1416,7 @@ choice config VMSPLIT_3G bool "3G/1G user/kernel split" config VMSPLIT_3G_OPT + depends on !ARM_LPAE bool "3G/1G user/kernel split (for full 1G low memory)" config VMSPLIT_2G bool "2G/2G user/kernel split" diff --git a/arch/arm/boot/compressed/efi-header.S b/arch/arm/boot/compressed/efi-header.S index 9d5dc4f..a17ca8d 100644 --- a/arch/arm/boot/compressed/efi-header.S +++ b/arch/arm/boot/compressed/efi-header.S @@ -17,14 +17,13 @@ @ there. .inst 'M' | ('Z' << 8) | (0x1310 << 16) @ tstne r0, #0x4d000 #else - mov r0, r0 + AR_CLASS( mov r0, r0 ) + M_CLASS( nop.w ) #endif .endm .macro __EFI_HEADER #ifdef CONFIG_EFI_STUB - b __efi_start - .set start_offset, __efi_start - start .org start + 0x3c @ diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 7c711ba..8a75687 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -130,19 +130,22 @@ start: .rept 7 __nop .endr - ARM( mov r0, r0 ) - ARM( b 1f ) - THUMB( badr r12, 1f ) - THUMB( bx r12 ) +#ifndef CONFIG_THUMB2_KERNEL + mov r0, r0 +#else + AR_CLASS( sub pc, pc, #3 ) @ A/R: switch to Thumb2 mode + M_CLASS( nop.w ) @ M: already in Thumb2 mode + .thumb +#endif + W(b) 1f .word _magic_sig @ Magic numbers to help the loader .word _magic_start @ absolute load/run zImage address .word _magic_end @ zImage end address .word 0x04030201 @ endianness flag - THUMB( .thumb ) -1: __EFI_HEADER - + __EFI_HEADER +1: ARM_BE8( setend be ) @ go BE8 if compiled for BE8 AR_CLASS( mrs r9, cpsr ) #ifdef CONFIG_ARM_VIRT_EXT diff --git a/arch/arm/boot/dts/am335x-sl50.dts b/arch/arm/boot/dts/am335x-sl50.dts index c5d2589..fc864a8 100644 --- a/arch/arm/boot/dts/am335x-sl50.dts +++ b/arch/arm/boot/dts/am335x-sl50.dts @@ -220,7 +220,7 @@ mmc1_pins: pinmux_mmc1_pins { pinctrl-single,pins = < - AM33XX_IOPAD(0x960, PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */ + AM33XX_IOPAD(0x96c, PIN_INPUT | MUX_MODE7) /* uart0_rtsn.gpio1_9 */ >; }; @@ -280,10 +280,6 @@ AM33XX_IOPAD(0x834, PIN_INPUT_PULLUP | MUX_MODE7) /* nKbdReset - gpmc_ad13.gpio1_13 */ AM33XX_IOPAD(0x838, PIN_INPUT_PULLUP | MUX_MODE7) /* nDispReset - gpmc_ad14.gpio1_14 */ AM33XX_IOPAD(0x844, PIN_INPUT_PULLUP | MUX_MODE7) /* USB1_enPower - gpmc_a1.gpio1_17 */ - /* AVR Programming - SPI Bus (bit bang) - Screen and Keyboard */ - AM33XX_IOPAD(0x954, PIN_INPUT_PULLUP | MUX_MODE7) /* Kbd/Disp/BattMOSI spi0_d0.gpio0_3 */ - AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE7) /* Kbd/Disp/BattMISO spi0_d1.gpio0_4 */ - AM33XX_IOPAD(0x950, PIN_INPUT_PULLUP | MUX_MODE7) /* Kbd/Disp/BattSCLK spi0_clk.gpio0_2 */ /* PDI Bus - Battery system */ AM33XX_IOPAD(0x840, PIN_INPUT_PULLUP | MUX_MODE7) /* nBattReset gpmc_a0.gpio1_16 */ AM33XX_IOPAD(0x83c, PIN_INPUT_PULLUP | MUX_MODE7) /* BattPDIData gpmc_ad15.gpio1_15 */ @@ -384,7 +380,7 @@ pinctrl-names = "default"; pinctrl-0 = <&mmc1_pins>; bus-width = <4>; - cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>; + cd-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>; vmmc-supply = <&vmmcsd_fixed>; }; diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi index 561f27d..9444a9a 100644 --- a/arch/arm/boot/dts/bcm283x.dtsi +++ b/arch/arm/boot/dts/bcm283x.dtsi @@ -3,6 +3,11 @@ #include <dt-bindings/clock/bcm2835-aux.h> #include <dt-bindings/gpio/gpio.h> +/* firmware-provided startup stubs live here, where the secondary CPUs are + * spinning. + */ +/memreserve/ 0x00000000 0x00001000; + /* This include file covers the common peripherals and configuration between * bcm2835 and bcm2836 implementations, leaving the CPU configuration to * bcm2835.dtsi and bcm2836.dtsi. diff --git a/arch/arm/boot/dts/imx6ul-14x14-evk.dts b/arch/arm/boot/dts/imx6ul-14x14-evk.dts index f18e1f1..d2be8aa 100644 --- a/arch/arm/boot/dts/imx6ul-14x14-evk.dts +++ b/arch/arm/boot/dts/imx6ul-14x14-evk.dts @@ -120,10 +120,16 @@ ethphy0: ethernet-phy@2 { reg = <2>; + micrel,led-mode = <1>; + clocks = <&clks IMX6UL_CLK_ENET_REF>; + clock-names = "rmii-ref"; }; ethphy1: ethernet-phy@1 { reg = <1>; + micrel,led-mode = <1>; + clocks = <&clks IMX6UL_CLK_ENET2_REF>; + clock-names = "rmii-ref"; }; }; }; diff --git a/arch/arm/boot/dts/keystone-k2l-netcp.dtsi b/arch/arm/boot/dts/keystone-k2l-netcp.dtsi index b6f2682..66f615a 100644 --- a/arch/arm/boot/dts/keystone-k2l-netcp.dtsi +++ b/arch/arm/boot/dts/keystone-k2l-netcp.dtsi @@ -137,8 +137,8 @@ netcp: netcp@26000000 { /* NetCP address range */ ranges = <0 0x26000000 0x1000000>; - clocks = <&clkpa>, <&clkcpgmac>, <&chipclk12>, <&clkosr>; - clock-names = "pa_clk", "ethss_clk", "cpts", "osr_clk"; + clocks = <&clkpa>, <&clkcpgmac>, <&chipclk12>; + clock-names = "pa_clk", "ethss_clk", "cpts"; dma-coherent; ti,navigator-dmas = <&dma_gbe 0>, diff --git a/arch/arm/boot/dts/keystone-k2l.dtsi b/arch/arm/boot/dts/keystone-k2l.dtsi index b58e7eb..1486504 100644 --- a/arch/arm/boot/dts/keystone-k2l.dtsi +++ b/arch/arm/boot/dts/keystone-k2l.dtsi @@ -232,6 +232,14 @@ }; }; + osr: sram@70000000 { + compatible = "mmio-sram"; + reg = <0x70000000 0x10000>; + #address-cells = <1>; + #size-cells = <1>; + clocks = <&clkosr>; + }; + dspgpio0: keystone_dsp_gpio@02620240 { compatible = "ti,keystone-dsp-gpio"; gpio-controller; diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi index 1aeeacb..d4f600d 100644 --- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi +++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi @@ -558,10 +558,11 @@ }; r_ccu: clock@1f01400 { - compatible = "allwinner,sun50i-a64-r-ccu"; + compatible = "allwinner,sun8i-h3-r-ccu"; reg = <0x01f01400 0x100>; - clocks = <&osc24M>, <&osc32k>, <&iosc>; - clock-names = "hosc", "losc", "iosc"; + clocks = <&osc24M>, <&osc32k>, <&iosc>, + <&ccu 9>; + clock-names = "hosc", "losc", "iosc", "pll-periph"; #clock-cells = <1>; #reset-cells = <1>; }; diff --git a/arch/arm/boot/dts/versatile-pb.dts b/arch/arm/boot/dts/versatile-pb.dts index 33a8eb2..06e2331 100644 --- a/arch/arm/boot/dts/versatile-pb.dts +++ b/arch/arm/boot/dts/versatile-pb.dts @@ -1,4 +1,4 @@ -#include <versatile-ab.dts> +#include "versatile-ab.dts" / { model = "ARM Versatile PB"; diff --git a/arch/arm/common/mcpm_entry.c b/arch/arm/common/mcpm_entry.c index cf06247..2b913f1 100644 --- a/arch/arm/common/mcpm_entry.c +++ b/arch/arm/common/mcpm_entry.c @@ -235,7 +235,7 @@ int mcpm_cpu_power_up(unsigned int cpu, unsigned int cluster) return ret; } -typedef void (*phys_reset_t)(unsigned long); +typedef typeof(cpu_reset) phys_reset_t; void mcpm_cpu_power_down(void) { @@ -300,7 +300,7 @@ void mcpm_cpu_power_down(void) * on the CPU. */ phys_reset = (phys_reset_t)(unsigned long)__pa_symbol(cpu_reset); - phys_reset(__pa_symbol(mcpm_entry_point)); + phys_reset(__pa_symbol(mcpm_entry_point), false); /* should never get here */ BUG(); @@ -389,7 +389,7 @@ static int __init nocache_trampoline(unsigned long _arg) __mcpm_cpu_down(cpu, cluster); phys_reset = (phys_reset_t)(unsigned long)__pa_symbol(cpu_reset); - phys_reset(__pa_symbol(mcpm_entry_point)); + phys_reset(__pa_symbol(mcpm_entry_point), false); BUG(); } diff --git a/arch/arm/include/asm/device.h b/arch/arm/include/asm/device.h index 36ec9c8..3234fe9 100644 --- a/arch/arm/include/asm/device.h +++ b/arch/arm/include/asm/device.h @@ -19,7 +19,8 @@ struct dev_archdata { #ifdef CONFIG_XEN const struct dma_map_ops *dev_dma_ops; #endif - bool dma_coherent; + unsigned int dma_coherent:1; + unsigned int dma_ops_setup:1; }; struct omap_device; diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h index 302240c..a0d726a 100644 --- a/arch/arm/include/asm/pgtable-nommu.h +++ b/arch/arm/include/asm/pgtable-nommu.h @@ -66,6 +66,7 @@ typedef pte_t *pte_addr_t; #define pgprot_noncached(prot) (prot) #define pgprot_writecombine(prot) (prot) #define pgprot_dmacoherent(prot) (prot) +#define pgprot_device(prot) (prot) /* diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 32e1a95..4e80bf7 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -315,7 +315,7 @@ static void __init cacheid_init(void) if (arch >= CPU_ARCH_ARMv6) { unsigned int cachetype = read_cpuid_cachetype(); - if ((arch == CPU_ARCH_ARMv7M) && !cachetype) { + if ((arch == CPU_ARCH_ARMv7M) && !(cachetype & 0xf000f)) { cacheid = 0; } else if ((cachetype & (7 << 29)) == 4 << 29) { /* ARMv7 register format */ diff --git a/arch/arm/kvm/init.S b/arch/arm/kvm/init.S index 570ed4a..5386528 100644 --- a/arch/arm/kvm/init.S +++ b/arch/arm/kvm/init.S @@ -104,7 +104,6 @@ __do_hyp_init: @ - Write permission implies XN: disabled @ - Instruction cache: enabled @ - Data/Unified cache: enabled - @ - Memory alignment checks: enabled @ - MMU: enabled (this code must be run from an identity mapping) mrc p15, 4, r0, c1, c0, 0 @ HSCR ldr r2, =HSCTLR_MASK @@ -112,8 +111,8 @@ __do_hyp_init: mrc p15, 0, r1, c1, c0, 0 @ SCTLR ldr r2, =(HSCTLR_EE | HSCTLR_FI | HSCTLR_I | HSCTLR_C) and r1, r1, r2 - ARM( ldr r2, =(HSCTLR_M | HSCTLR_A) ) - THUMB( ldr r2, =(HSCTLR_M | HSCTLR_A | HSCTLR_TE) ) + ARM( ldr r2, =(HSCTLR_M) ) + THUMB( ldr r2, =(HSCTLR_M | HSCTLR_TE) ) orr r1, r1, r2 orr r0, r0, r1 mcr p15, 4, r0, c1, c0, 0 @ HSCR diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 841e924..cbd959b 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -1,6 +1,7 @@ menuconfig ARCH_AT91 bool "Atmel SoCs" depends on ARCH_MULTI_V4T || ARCH_MULTI_V5 || ARCH_MULTI_V7 + select ARM_CPU_SUSPEND if PM select COMMON_CLK_AT91 select GPIOLIB select PINCTRL diff --git a/arch/arm/mach-davinci/pm.c b/arch/arm/mach-davinci/pm.c index efb8035..b5cc05d 100644 --- a/arch/arm/mach-davinci/pm.c +++ b/arch/arm/mach-davinci/pm.c @@ -153,7 +153,8 @@ int __init davinci_pm_init(void) davinci_sram_suspend = sram_alloc(davinci_cpu_suspend_sz, NULL); if (!davinci_sram_suspend) { pr_err("PM: cannot allocate SRAM memory\n"); - return -ENOMEM; + ret = -ENOMEM; + goto no_sram_mem; } davinci_sram_push(davinci_sram_suspend, davinci_cpu_suspend, @@ -161,6 +162,10 @@ int __init davinci_pm_init(void) suspend_set_ops(&davinci_pm_ops); + return 0; + +no_sram_mem: + iounmap(pm_config.ddrpsc_reg_base); no_ddrpsc_mem: iounmap(pm_config.ddrpll_reg_base); no_ddrpll_mem: diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index c742dfd..bd83c53 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -2311,7 +2311,14 @@ int arm_iommu_attach_device(struct device *dev, } EXPORT_SYMBOL_GPL(arm_iommu_attach_device); -static void __arm_iommu_detach_device(struct device *dev) +/** + * arm_iommu_detach_device + * @dev: valid struct device pointer + * + * Detaches the provided device from a previously attached map. + * This voids the dma operations (dma_map_ops pointer) + */ +void arm_iommu_detach_device(struct device *dev) { struct dma_iommu_mapping *mapping; @@ -2324,22 +2331,10 @@ static void __arm_iommu_detach_device(struct device *dev) iommu_detach_device(mapping->domain, dev); kref_put(&mapping->kref, release_iommu_mapping); to_dma_iommu_mapping(dev) = NULL; + set_dma_ops(dev, NULL); pr_debug("Detached IOMMU controller from %s device.\n", dev_name(dev)); } - -/** - * arm_iommu_detach_device - * @dev: valid struct device pointer - * - * Detaches the provided device from a previously attached map. - * This voids the dma operations (dma_map_ops pointer) - */ -void arm_iommu_detach_device(struct device *dev) -{ - __arm_iommu_detach_device(dev); - set_dma_ops(dev, NULL); -} EXPORT_SYMBOL_GPL(arm_iommu_detach_device); static const struct dma_map_ops *arm_get_iommu_dma_map_ops(bool coherent) @@ -2379,7 +2374,7 @@ static void arm_teardown_iommu_dma_ops(struct device *dev) if (!mapping) return; - __arm_iommu_detach_device(dev); + arm_iommu_detach_device(dev); arm_iommu_release_mapping(mapping); } @@ -2430,9 +2425,13 @@ void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, dev->dma_ops = xen_dma_ops; } #endif + dev->archdata.dma_ops_setup = true; } void arch_teardown_dma_ops(struct device *dev) { + if (!dev->archdata.dma_ops_setup) + return; + arm_teardown_iommu_dma_ops(dev); } diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c index 2239fde..f0701d8 100644 --- a/arch/arm/mm/mmap.c +++ b/arch/arm/mm/mmap.c @@ -90,7 +90,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } @@ -141,7 +141,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 31af3cb5..e46a6a4 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -1218,15 +1218,15 @@ void __init adjust_lowmem_bounds(void) high_memory = __va(arm_lowmem_limit - 1) + 1; + if (!memblock_limit) + memblock_limit = arm_lowmem_limit; + /* * Round the memblock limit down to a pmd size. This * helps to ensure that we will allocate memory from the * last full pmd, which should be mapped. */ - if (memblock_limit) - memblock_limit = round_down(memblock_limit, PMD_SIZE); - if (!memblock_limit) - memblock_limit = arm_lowmem_limit; + memblock_limit = round_down(memblock_limit, PMD_SIZE); if (!IS_ENABLED(CONFIG_HIGHMEM) || cache_is_vipt_aliasing()) { if (memblock_end_of_DRAM() > arm_lowmem_limit) { diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 3dcd7ec..b2024db 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1084,10 +1084,6 @@ config SYSVIPC_COMPAT def_bool y depends on COMPAT && SYSVIPC -config KEYS_COMPAT - def_bool y - depends on COMPAT && KEYS - endmenu menu "Power management options" diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index c7f669f..166c9ef 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -406,8 +406,9 @@ r_ccu: clock@1f01400 { compatible = "allwinner,sun50i-a64-r-ccu"; reg = <0x01f01400 0x100>; - clocks = <&osc24M>, <&osc32k>, <&iosc>; - clock-names = "hosc", "losc", "iosc"; + clocks = <&osc24M>, <&osc32k>, <&iosc>, + <&ccu 11>; + clock-names = "hosc", "losc", "iosc", "pll-periph"; #clock-cells = <1>; #reset-cells = <1>; }; diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi index 4d314a2..732e2e0 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi @@ -40,7 +40,7 @@ * OTHER DEALINGS IN THE SOFTWARE. */ -#include "sunxi-h3-h5.dtsi" +#include <arm/sunxi-h3-h5.dtsi> / { cpus { diff --git a/arch/arm64/boot/dts/allwinner/sunxi-h3-h5.dtsi b/arch/arm64/boot/dts/allwinner/sunxi-h3-h5.dtsi deleted file mode 120000 index 036f01d..0000000 --- a/arch/arm64/boot/dts/allwinner/sunxi-h3-h5.dtsi +++ /dev/null @@ -1 +0,0 @@ -../../../../arm/boot/dts/sunxi-h3-h5.dtsi
\ No newline at end of file diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi index ac8df52..b4bc42e 100644 --- a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi @@ -231,8 +231,7 @@ cpm_crypto: crypto@800000 { compatible = "inside-secure,safexcel-eip197"; reg = <0x800000 0x200000>; - interrupts = <GIC_SPI 34 (IRQ_TYPE_EDGE_RISING - | IRQ_TYPE_LEVEL_HIGH)>, + interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>, diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi index 7740a75..6e20588 100644 --- a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi @@ -221,8 +221,7 @@ cps_crypto: crypto@800000 { compatible = "inside-secure,safexcel-eip197"; reg = <0x800000 0x200000>; - interrupts = <GIC_SPI 34 (IRQ_TYPE_EDGE_RISING - | IRQ_TYPE_LEVEL_HIGH)>, + interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 278 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 279 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 280 IRQ_TYPE_LEVEL_HIGH>, diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 65cdd87..97c123e 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -68,6 +68,7 @@ CONFIG_PCIE_QCOM=y CONFIG_PCIE_ARMADA_8K=y CONFIG_PCI_AARDVARK=y CONFIG_PCIE_RCAR=y +CONFIG_PCIE_ROCKCHIP=m CONFIG_PCI_HOST_GENERIC=y CONFIG_PCI_XGENE=y CONFIG_ARM64_VA_BITS_48=y @@ -208,6 +209,8 @@ CONFIG_BRCMFMAC=m CONFIG_WL18XX=m CONFIG_WLCORE_SDIO=m CONFIG_INPUT_EVDEV=y +CONFIG_KEYBOARD_ADC=m +CONFIG_KEYBOARD_CROS_EC=y CONFIG_KEYBOARD_GPIO=y CONFIG_INPUT_MISC=y CONFIG_INPUT_PM8941_PWRKEY=y @@ -263,6 +266,7 @@ CONFIG_SPI_MESON_SPIFC=m CONFIG_SPI_ORION=y CONFIG_SPI_PL022=y CONFIG_SPI_QUP=y +CONFIG_SPI_ROCKCHIP=y CONFIG_SPI_S3C64XX=y CONFIG_SPI_SPIDEV=m CONFIG_SPMI=y @@ -292,6 +296,7 @@ CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y CONFIG_CPU_THERMAL=y CONFIG_THERMAL_EMULATION=y CONFIG_EXYNOS_THERMAL=y +CONFIG_ROCKCHIP_THERMAL=m CONFIG_WATCHDOG=y CONFIG_S3C2410_WATCHDOG=y CONFIG_MESON_GXBB_WATCHDOG=m @@ -300,12 +305,14 @@ CONFIG_RENESAS_WDT=y CONFIG_BCM2835_WDT=y CONFIG_MFD_CROS_EC=y CONFIG_MFD_CROS_EC_I2C=y +CONFIG_MFD_CROS_EC_SPI=y CONFIG_MFD_EXYNOS_LPASS=m CONFIG_MFD_HI655X_PMIC=y CONFIG_MFD_MAX77620=y CONFIG_MFD_SPMI_PMIC=y CONFIG_MFD_RK808=y CONFIG_MFD_SEC_CORE=y +CONFIG_REGULATOR_FAN53555=y CONFIG_REGULATOR_FIXED_VOLTAGE=y CONFIG_REGULATOR_GPIO=y CONFIG_REGULATOR_HI655X=y @@ -473,8 +480,10 @@ CONFIG_ARCH_TEGRA_186_SOC=y CONFIG_EXTCON_USB_GPIO=y CONFIG_IIO=y CONFIG_EXYNOS_ADC=y +CONFIG_ROCKCHIP_SARADC=m CONFIG_PWM=y CONFIG_PWM_BCM2835=m +CONFIG_PWM_CROS_EC=m CONFIG_PWM_MESON=m CONFIG_PWM_ROCKCHIP=y CONFIG_PWM_SAMSUNG=y @@ -484,6 +493,7 @@ CONFIG_PHY_HI6220_USB=y CONFIG_PHY_SUN4I_USB=y CONFIG_PHY_ROCKCHIP_INNO_USB2=y CONFIG_PHY_ROCKCHIP_EMMC=y +CONFIG_PHY_ROCKCHIP_PCIE=m CONFIG_PHY_XGENE=y CONFIG_PHY_TEGRA_XUSB=y CONFIG_ARM_SCPI_PROTOCOL=y diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h index 0e99978..59cca1d 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -23,9 +23,9 @@ #define ACPI_MADT_GICC_LENGTH \ (acpi_gbl_FADT.header.revision < 6 ? 76 : 80) -#define BAD_MADT_GICC_ENTRY(entry, end) \ - (!(entry) || (unsigned long)(entry) + sizeof(*(entry)) > (end) || \ - (entry)->header.length != ACPI_MADT_GICC_LENGTH) +#define BAD_MADT_GICC_ENTRY(entry, end) \ + (!(entry) || (entry)->header.length != ACPI_MADT_GICC_LENGTH || \ + (unsigned long)(entry) + ACPI_MADT_GICC_LENGTH > (end)) /* Basic configuration for ACPI */ #ifdef CONFIG_ACPI diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 15c142c..b4d13d9 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -286,6 +286,10 @@ #define SCTLR_ELx_A (1 << 1) #define SCTLR_ELx_M 1 +#define SCTLR_EL2_RES1 ((1 << 4) | (1 << 5) | (1 << 11) | (1 << 16) | \ + (1 << 16) | (1 << 18) | (1 << 22) | (1 << 23) | \ + (1 << 28) | (1 << 29)) + #define SCTLR_ELx_FLAGS (SCTLR_ELx_M | SCTLR_ELx_A | SCTLR_ELx_C | \ SCTLR_ELx_SA | SCTLR_ELx_I) diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c index 4f0e3eb..c7e3e63 100644 --- a/arch/arm64/kernel/pci.c +++ b/arch/arm64/kernel/pci.c @@ -191,8 +191,10 @@ struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root) return NULL; root_ops = kzalloc_node(sizeof(*root_ops), GFP_KERNEL, node); - if (!root_ops) + if (!root_ops) { + kfree(ri); return NULL; + } ri->cfg = pci_acpi_setup_ecam_mapping(root); if (!ri->cfg) { diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c index 41b6e31..d0cb007 100644 --- a/arch/arm64/kernel/vdso.c +++ b/arch/arm64/kernel/vdso.c @@ -221,10 +221,11 @@ void update_vsyscall(struct timekeeper *tk) /* tkr_mono.cycle_last == tkr_raw.cycle_last */ vdso_data->cs_cycle_last = tk->tkr_mono.cycle_last; vdso_data->raw_time_sec = tk->raw_time.tv_sec; - vdso_data->raw_time_nsec = tk->raw_time.tv_nsec; + vdso_data->raw_time_nsec = (tk->raw_time.tv_nsec << + tk->tkr_raw.shift) + + tk->tkr_raw.xtime_nsec; vdso_data->xtime_clock_sec = tk->xtime_sec; vdso_data->xtime_clock_nsec = tk->tkr_mono.xtime_nsec; - /* tkr_raw.xtime_nsec == 0 */ vdso_data->cs_mono_mult = tk->tkr_mono.mult; vdso_data->cs_raw_mult = tk->tkr_raw.mult; /* tkr_mono.shift == tkr_raw.shift */ diff --git a/arch/arm64/kernel/vdso/gettimeofday.S b/arch/arm64/kernel/vdso/gettimeofday.S index e00b467..76320e9 100644 --- a/arch/arm64/kernel/vdso/gettimeofday.S +++ b/arch/arm64/kernel/vdso/gettimeofday.S @@ -256,7 +256,6 @@ monotonic_raw: seqcnt_check fail=monotonic_raw /* All computations are done with left-shifted nsecs. */ - lsl x14, x14, x12 get_nsec_per_sec res=x9 lsl x9, x9, x12 diff --git a/arch/arm64/kvm/hyp-init.S b/arch/arm64/kvm/hyp-init.S index 839425c..3f96155 100644 --- a/arch/arm64/kvm/hyp-init.S +++ b/arch/arm64/kvm/hyp-init.S @@ -106,10 +106,13 @@ __do_hyp_init: tlbi alle2 dsb sy - mrs x4, sctlr_el2 - and x4, x4, #SCTLR_ELx_EE // preserve endianness of EL2 - ldr x5, =SCTLR_ELx_FLAGS - orr x4, x4, x5 + /* + * Preserve all the RES1 bits while setting the default flags, + * as well as the EE bit on BE. Drop the A flag since the compiler + * is allowed to generate unaligned accesses. + */ + ldr x4, =(SCTLR_EL2_RES1 | (SCTLR_ELx_FLAGS & ~SCTLR_ELx_A)) +CPU_BE( orr x4, x4, #SCTLR_ELx_EE) msr sctlr_el2, x4 isb diff --git a/arch/arm64/kvm/vgic-sys-reg-v3.c b/arch/arm64/kvm/vgic-sys-reg-v3.c index 79f37e3..6260b69 100644 --- a/arch/arm64/kvm/vgic-sys-reg-v3.c +++ b/arch/arm64/kvm/vgic-sys-reg-v3.c @@ -65,8 +65,8 @@ static bool access_gic_ctlr(struct kvm_vcpu *vcpu, struct sys_reg_params *p, * Here set VMCR.CTLR in ICC_CTLR_EL1 layout. * The vgic_set_vmcr() will convert to ICH_VMCR layout. */ - vmcr.ctlr = val & ICC_CTLR_EL1_CBPR_MASK; - vmcr.ctlr |= val & ICC_CTLR_EL1_EOImode_MASK; + vmcr.cbpr = (val & ICC_CTLR_EL1_CBPR_MASK) >> ICC_CTLR_EL1_CBPR_SHIFT; + vmcr.eoim = (val & ICC_CTLR_EL1_EOImode_MASK) >> ICC_CTLR_EL1_EOImode_SHIFT; vgic_set_vmcr(vcpu, &vmcr); } else { val = 0; @@ -83,8 +83,8 @@ static bool access_gic_ctlr(struct kvm_vcpu *vcpu, struct sys_reg_params *p, * The VMCR.CTLR value is in ICC_CTLR_EL1 layout. * Extract it directly using ICC_CTLR_EL1 reg definitions. */ - val |= vmcr.ctlr & ICC_CTLR_EL1_CBPR_MASK; - val |= vmcr.ctlr & ICC_CTLR_EL1_EOImode_MASK; + val |= (vmcr.cbpr << ICC_CTLR_EL1_CBPR_SHIFT) & ICC_CTLR_EL1_CBPR_MASK; + val |= (vmcr.eoim << ICC_CTLR_EL1_EOImode_SHIFT) & ICC_CTLR_EL1_EOImode_MASK; p->regval = val; } @@ -135,7 +135,7 @@ static bool access_gic_bpr1(struct kvm_vcpu *vcpu, struct sys_reg_params *p, p->regval = 0; vgic_get_vmcr(vcpu, &vmcr); - if (!((vmcr.ctlr & ICH_VMCR_CBPR_MASK) >> ICH_VMCR_CBPR_SHIFT)) { + if (!vmcr.cbpr) { if (p->is_write) { vmcr.abpr = (p->regval & ICC_BPR1_EL1_MASK) >> ICC_BPR1_EL1_SHIFT; diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index 71f9305..c870d6f 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -36,6 +36,7 @@ int bpf_jit_enable __read_mostly; #define TMP_REG_1 (MAX_BPF_JIT_REG + 0) #define TMP_REG_2 (MAX_BPF_JIT_REG + 1) #define TCALL_CNT (MAX_BPF_JIT_REG + 2) +#define TMP_REG_3 (MAX_BPF_JIT_REG + 3) /* Map BPF registers to A64 registers */ static const int bpf2a64[] = { @@ -57,6 +58,7 @@ static const int bpf2a64[] = { /* temporary registers for internal BPF JIT */ [TMP_REG_1] = A64_R(10), [TMP_REG_2] = A64_R(11), + [TMP_REG_3] = A64_R(12), /* tail_call_cnt */ [TCALL_CNT] = A64_R(26), /* temporary register for blinding constants */ @@ -319,6 +321,7 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx) const u8 src = bpf2a64[insn->src_reg]; const u8 tmp = bpf2a64[TMP_REG_1]; const u8 tmp2 = bpf2a64[TMP_REG_2]; + const u8 tmp3 = bpf2a64[TMP_REG_3]; const s16 off = insn->off; const s32 imm = insn->imm; const int i = insn - ctx->prog->insnsi; @@ -689,10 +692,10 @@ emit_cond_jmp: emit(A64_PRFM(tmp, PST, L1, STRM), ctx); emit(A64_LDXR(isdw, tmp2, tmp), ctx); emit(A64_ADD(isdw, tmp2, tmp2, src), ctx); - emit(A64_STXR(isdw, tmp2, tmp, tmp2), ctx); + emit(A64_STXR(isdw, tmp2, tmp, tmp3), ctx); jmp_offset = -3; check_imm19(jmp_offset); - emit(A64_CBNZ(0, tmp2, jmp_offset), ctx); + emit(A64_CBNZ(0, tmp3, jmp_offset), ctx); break; /* R0 = ntohx(*(size *)(((struct sk_buff *)R6)->data + imm)) */ diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h index 85d4af9..dbdbb8a 100644 --- a/arch/blackfin/include/asm/processor.h +++ b/arch/blackfin/include/asm/processor.h @@ -75,11 +75,6 @@ static inline void release_thread(struct task_struct *dead_task) { } -/* - * Return saved PC of a blocked thread. - */ -#define thread_saved_pc(tsk) (tsk->thread.pc) - unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) \ diff --git a/arch/c6x/include/asm/processor.h b/arch/c6x/include/asm/processor.h index b9eb3da..7c87b5b 100644 --- a/arch/c6x/include/asm/processor.h +++ b/arch/c6x/include/asm/processor.h @@ -96,11 +96,6 @@ static inline void release_thread(struct task_struct *dead_task) #define release_segments(mm) do { } while (0) /* - * saved PC of a blocked thread. - */ -#define thread_saved_pc(tsk) (task_pt_regs(tsk)->pc) - -/* * saved kernel SP and DP of a blocked thread. */ #ifdef _BIG_ENDIAN diff --git a/arch/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c index e299d30..a2cdb15 100644 --- a/arch/cris/arch-v10/kernel/process.c +++ b/arch/cris/arch-v10/kernel/process.c @@ -69,14 +69,6 @@ void hard_reset_now (void) while(1) /* waiting for RETRIBUTION! */ ; } -/* - * Return saved PC of a blocked thread. - */ -unsigned long thread_saved_pc(struct task_struct *t) -{ - return task_pt_regs(t)->irp; -} - /* setup the child's kernel stack with a pt_regs and switch_stack on it. * it will be un-nested during _resume and _ret_from_sys_call when the * new thread is scheduled. diff --git a/arch/cris/arch-v32/kernel/process.c b/arch/cris/arch-v32/kernel/process.c index c530a8f..fe87b38 100644 --- a/arch/cris/arch-v32/kernel/process.c +++ b/arch/cris/arch-v32/kernel/process.c @@ -85,14 +85,6 @@ hard_reset_now(void) } /* - * Return saved PC of a blocked thread. - */ -unsigned long thread_saved_pc(struct task_struct *t) -{ - return task_pt_regs(t)->erp; -} - -/* * Setup the child's kernel stack with a pt_regs and call switch_stack() on it. * It will be unnested during _resume and _ret_from_sys_call when the new thread * is scheduled. diff --git a/arch/cris/include/asm/processor.h b/arch/cris/include/asm/processor.h index 15b815d..bc2729e 100644 --- a/arch/cris/include/asm/processor.h +++ b/arch/cris/include/asm/processor.h @@ -52,8 +52,6 @@ unsigned long get_wchan(struct task_struct *p); #define KSTK_ESP(tsk) ((tsk) == current ? rdusp() : (tsk)->thread.usp) -extern unsigned long thread_saved_pc(struct task_struct *tsk); - /* Free all resources held by a thread. */ static inline void release_thread(struct task_struct *dead_task) { diff --git a/arch/frv/include/asm/processor.h b/arch/frv/include/asm/processor.h index ddaeb9c..e4d08d7 100644 --- a/arch/frv/include/asm/processor.h +++ b/arch/frv/include/asm/processor.h @@ -96,11 +96,6 @@ extern asmlinkage void *restore_user_regs(const struct user_context *target, ... #define release_segments(mm) do { } while (0) #define forget_segments() do { } while (0) -/* - * Return saved PC of a blocked thread. - */ -extern unsigned long thread_saved_pc(struct task_struct *tsk); - unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) ((tsk)->thread.frame0->pc) diff --git a/arch/frv/include/asm/timex.h b/arch/frv/include/asm/timex.h index a89bdde..139093f 100644 --- a/arch/frv/include/asm/timex.h +++ b/arch/frv/include/asm/timex.h @@ -16,5 +16,11 @@ static inline cycles_t get_cycles(void) #define vxtime_lock() do {} while (0) #define vxtime_unlock() do {} while (0) +/* This attribute is used in include/linux/jiffies.h alongside with + * __cacheline_aligned_in_smp. It is assumed that __cacheline_aligned_in_smp + * for frv does not contain another section specification. + */ +#define __jiffy_arch_data __attribute__((__section__(".data"))) + #endif diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c index 5a4c92a..a957b37 100644 --- a/arch/frv/kernel/process.c +++ b/arch/frv/kernel/process.c @@ -198,15 +198,6 @@ unsigned long get_wchan(struct task_struct *p) return 0; } -unsigned long thread_saved_pc(struct task_struct *tsk) -{ - /* Check whether the thread is blocked in resume() */ - if (in_sched_functions(tsk->thread.pc)) - return ((unsigned long *)tsk->thread.fp)[2]; - else - return tsk->thread.pc; -} - int elf_check_arch(const struct elf32_hdr *hdr) { unsigned long hsr0 = __get_HSR(0); diff --git a/arch/frv/mm/elf-fdpic.c b/arch/frv/mm/elf-fdpic.c index da82c25..46aa289 100644 --- a/arch/frv/mm/elf-fdpic.c +++ b/arch/frv/mm/elf-fdpic.c @@ -75,7 +75,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi addr = PAGE_ALIGN(addr); vma = find_vma(current->mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) goto success; } diff --git a/arch/h8300/include/asm/processor.h b/arch/h8300/include/asm/processor.h index 65132d7..afa5314 100644 --- a/arch/h8300/include/asm/processor.h +++ b/arch/h8300/include/asm/processor.h @@ -110,10 +110,6 @@ static inline void release_thread(struct task_struct *dead_task) { } -/* - * Return saved PC of a blocked thread. - */ -unsigned long thread_saved_pc(struct task_struct *tsk); unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) \ diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c index 0f5db5b..d1ddcab 100644 --- a/arch/h8300/kernel/process.c +++ b/arch/h8300/kernel/process.c @@ -129,11 +129,6 @@ int copy_thread(unsigned long clone_flags, return 0; } -unsigned long thread_saved_pc(struct task_struct *tsk) -{ - return ((struct pt_regs *)tsk->thread.esp0)->pc; -} - unsigned long get_wchan(struct task_struct *p) { unsigned long fp, pc; diff --git a/arch/hexagon/include/asm/processor.h b/arch/hexagon/include/asm/processor.h index 45a8254..ce67940 100644 --- a/arch/hexagon/include/asm/processor.h +++ b/arch/hexagon/include/asm/processor.h @@ -33,9 +33,6 @@ /* task_struct, defined elsewhere, is the "process descriptor" */ struct task_struct; -/* this is defined in arch/process.c */ -extern unsigned long thread_saved_pc(struct task_struct *tsk); - extern void start_thread(struct pt_regs *, unsigned long, unsigned long); /* diff --git a/arch/hexagon/kernel/process.c b/arch/hexagon/kernel/process.c index de715ba..656050c 100644 --- a/arch/hexagon/kernel/process.c +++ b/arch/hexagon/kernel/process.c @@ -61,14 +61,6 @@ void arch_cpu_idle(void) } /* - * Return saved PC of a blocked thread - */ -unsigned long thread_saved_pc(struct task_struct *tsk) -{ - return 0; -} - -/* * Copy architecture-specific thread state */ int copy_thread(unsigned long clone_flags, unsigned long usp, diff --git a/arch/hexagon/mm/uaccess.c b/arch/hexagon/mm/uaccess.c index ec90afd..c599eb1 100644 --- a/arch/hexagon/mm/uaccess.c +++ b/arch/hexagon/mm/uaccess.c @@ -37,15 +37,14 @@ __kernel_size_t __clear_user_hexagon(void __user *dest, unsigned long count) long uncleared; while (count > PAGE_SIZE) { - uncleared = __copy_to_user_hexagon(dest, &empty_zero_page, - PAGE_SIZE); + uncleared = raw_copy_to_user(dest, &empty_zero_page, PAGE_SIZE); if (uncleared) return count - (PAGE_SIZE - uncleared); count -= PAGE_SIZE; dest += PAGE_SIZE; } if (count) - count = __copy_to_user_hexagon(dest, &empty_zero_page, count); + count = raw_copy_to_user(dest, &empty_zero_page, count); return count; } diff --git a/arch/ia64/include/asm/processor.h b/arch/ia64/include/asm/processor.h index 26a63d6..ab982f0 100644 --- a/arch/ia64/include/asm/processor.h +++ b/arch/ia64/include/asm/processor.h @@ -602,23 +602,6 @@ ia64_set_unat (__u64 *unat, void *spill_addr, unsigned long nat) } /* - * Return saved PC of a blocked thread. - * Note that the only way T can block is through a call to schedule() -> switch_to(). - */ -static inline unsigned long -thread_saved_pc (struct task_struct *t) -{ - struct unw_frame_info info; - unsigned long ip; - - unw_init_from_blocked_task(&info, t); - if (unw_unwind(&info) < 0) - return 0; - unw_get_ip(&info, &ip); - return ip; -} - -/* * Get the current instruction/program counter value. */ #define current_text_addr() \ diff --git a/arch/m32r/include/asm/processor.h b/arch/m32r/include/asm/processor.h index 5767367..657874e 100644 --- a/arch/m32r/include/asm/processor.h +++ b/arch/m32r/include/asm/processor.h @@ -122,8 +122,6 @@ extern void release_thread(struct task_struct *); extern void copy_segments(struct task_struct *p, struct mm_struct * mm); extern void release_segments(struct mm_struct * mm); -extern unsigned long thread_saved_pc(struct task_struct *); - /* Copy and release all segment info associated with a VM */ #define copy_segments(p, mm) do { } while (0) #define release_segments(mm) do { } while (0) diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c index d8ffcfe..8cd7e03 100644 --- a/arch/m32r/kernel/process.c +++ b/arch/m32r/kernel/process.c @@ -39,14 +39,6 @@ #include <linux/err.h> -/* - * Return saved PC of a blocked thread. - */ -unsigned long thread_saved_pc(struct task_struct *tsk) -{ - return tsk->thread.lr; -} - void (*pm_power_off)(void) = NULL; EXPORT_SYMBOL(pm_power_off); diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h index 77239e8..94c3603 100644 --- a/arch/m68k/include/asm/processor.h +++ b/arch/m68k/include/asm/processor.h @@ -130,8 +130,6 @@ static inline void release_thread(struct task_struct *dead_task) { } -extern unsigned long thread_saved_pc(struct task_struct *tsk); - unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) \ diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c index e475c94..7df92f8 100644 --- a/arch/m68k/kernel/process.c +++ b/arch/m68k/kernel/process.c @@ -40,20 +40,6 @@ asmlinkage void ret_from_fork(void); asmlinkage void ret_from_kernel_thread(void); - -/* - * Return saved PC from a blocked thread - */ -unsigned long thread_saved_pc(struct task_struct *tsk) -{ - struct switch_stack *sw = (struct switch_stack *)tsk->thread.ksp; - /* Check whether the thread is blocked in resume() */ - if (in_sched_functions(sw->retpc)) - return ((unsigned long *)sw->a6)[1]; - else - return sw->retpc; -} - void arch_cpu_idle(void) { #if defined(MACH_ATARI_ONLY) diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h index 37ef196..330d556 100644 --- a/arch/microblaze/include/asm/processor.h +++ b/arch/microblaze/include/asm/processor.h @@ -69,8 +69,6 @@ static inline void release_thread(struct task_struct *dead_task) { } -extern unsigned long thread_saved_pc(struct task_struct *t); - extern unsigned long get_wchan(struct task_struct *p); # define KSTK_EIP(tsk) (0) @@ -121,10 +119,6 @@ static inline void release_thread(struct task_struct *dead_task) { } -/* Return saved (kernel) PC of a blocked thread. */ -# define thread_saved_pc(tsk) \ - ((tsk)->thread.regs ? (tsk)->thread.regs->r15 : 0) - unsigned long get_wchan(struct task_struct *p); /* The size allocated for kernel stacks. This _must_ be a power of two! */ diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c index e92a817..6527ec2 100644 --- a/arch/microblaze/kernel/process.c +++ b/arch/microblaze/kernel/process.c @@ -119,23 +119,6 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, return 0; } -#ifndef CONFIG_MMU -/* - * Return saved PC of a blocked thread. - */ -unsigned long thread_saved_pc(struct task_struct *tsk) -{ - struct cpu_context *ctx = - &(((struct thread_info *)(tsk->stack))->cpu_context); - - /* Check whether the thread is blocked in resume() */ - if (in_sched_functions(ctx->r15)) - return (unsigned long)ctx->r15; - else - return ctx->r14; -} -#endif - unsigned long get_wchan(struct task_struct *p) { /* TBD (used by procfs) */ diff --git a/arch/mips/boot/Makefile b/arch/mips/boot/Makefile index 2728a9a..145b5ce 100644 --- a/arch/mips/boot/Makefile +++ b/arch/mips/boot/Makefile @@ -128,19 +128,19 @@ quiet_cmd_cpp_its_S = ITS $@ -DADDR_BITS=$(ADDR_BITS) \ -DADDR_CELLS=$(itb_addr_cells) -$(obj)/vmlinux.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S FORCE +$(obj)/vmlinux.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S $(VMLINUX) FORCE $(call if_changed_dep,cpp_its_S,none,vmlinux.bin) -$(obj)/vmlinux.gz.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S FORCE +$(obj)/vmlinux.gz.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S $(VMLINUX) FORCE $(call if_changed_dep,cpp_its_S,gzip,vmlinux.bin.gz) -$(obj)/vmlinux.bz2.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S FORCE +$(obj)/vmlinux.bz2.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S $(VMLINUX) FORCE $(call if_changed_dep,cpp_its_S,bzip2,vmlinux.bin.bz2) -$(obj)/vmlinux.lzma.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S FORCE +$(obj)/vmlinux.lzma.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S $(VMLINUX) FORCE $(call if_changed_dep,cpp_its_S,lzma,vmlinux.bin.lzma) -$(obj)/vmlinux.lzo.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S FORCE +$(obj)/vmlinux.lzo.its: $(srctree)/arch/mips/$(PLATFORM)/vmlinux.its.S $(VMLINUX) FORCE $(call if_changed_dep,cpp_its_S,lzo,vmlinux.bin.lzo) quiet_cmd_itb-image = ITB $@ diff --git a/arch/mips/include/asm/highmem.h b/arch/mips/include/asm/highmem.h index d34536e..279b6d1 100644 --- a/arch/mips/include/asm/highmem.h +++ b/arch/mips/include/asm/highmem.h @@ -35,7 +35,12 @@ extern pte_t *pkmap_page_table; * easily, subsequent pte tables have to be allocated in one physical * chunk of RAM. */ +#ifdef CONFIG_PHYS_ADDR_T_64BIT +#define LAST_PKMAP 512 +#else #define LAST_PKMAP 1024 +#endif + #define LAST_PKMAP_MASK (LAST_PKMAP-1) #define PKMAP_NR(virt) ((virt-PKMAP_BASE) >> PAGE_SHIFT) #define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT)) diff --git a/arch/mips/include/asm/kprobes.h b/arch/mips/include/asm/kprobes.h index 291846d..ad1a999 100644 --- a/arch/mips/include/asm/kprobes.h +++ b/arch/mips/include/asm/kprobes.h @@ -43,7 +43,8 @@ typedef union mips_instruction kprobe_opcode_t; #define flush_insn_slot(p) \ do { \ - flush_icache_range((unsigned long)p->addr, \ + if (p->addr) \ + flush_icache_range((unsigned long)p->addr, \ (unsigned long)p->addr + \ (MAX_INSN_SIZE * sizeof(kprobe_opcode_t))); \ } while (0) diff --git a/arch/mips/include/asm/pgtable-32.h b/arch/mips/include/asm/pgtable-32.h index 6f94bed..74afe8c 100644 --- a/arch/mips/include/asm/pgtable-32.h +++ b/arch/mips/include/asm/pgtable-32.h @@ -19,6 +19,10 @@ #define __ARCH_USE_5LEVEL_HACK #include <asm-generic/pgtable-nopmd.h> +#ifdef CONFIG_HIGHMEM +#include <asm/highmem.h> +#endif + extern int temp_tlb_entry; /* @@ -62,7 +66,8 @@ extern int add_temporary_entry(unsigned long entrylo0, unsigned long entrylo1, #define VMALLOC_START MAP_BASE -#define PKMAP_BASE (0xfe000000UL) +#define PKMAP_END ((FIXADDR_START) & ~((LAST_PKMAP << PAGE_SHIFT)-1)) +#define PKMAP_BASE (PKMAP_END - PAGE_SIZE * LAST_PKMAP) #ifdef CONFIG_HIGHMEM # define VMALLOC_END (PKMAP_BASE-2*PAGE_SIZE) diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c index b11facd..f702a45 100644 --- a/arch/mips/kernel/branch.c +++ b/arch/mips/kernel/branch.c @@ -804,8 +804,10 @@ int __compute_return_epc_for_insn(struct pt_regs *regs, break; } /* Compact branch: BNEZC || JIALC */ - if (insn.i_format.rs) + if (!insn.i_format.rs) { + /* JIALC: set $31/ra */ regs->regs[31] = epc + 4; + } regs->cp0_epc += 8; break; #endif diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S index 8d83fc2..38a3029 100644 --- a/arch/mips/kernel/entry.S +++ b/arch/mips/kernel/entry.S @@ -11,6 +11,7 @@ #include <asm/asm.h> #include <asm/asmmacro.h> #include <asm/compiler.h> +#include <asm/irqflags.h> #include <asm/regdef.h> #include <asm/mipsregs.h> #include <asm/stackframe.h> @@ -119,6 +120,7 @@ work_pending: andi t0, a2, _TIF_NEED_RESCHED # a2 is preloaded with TI_FLAGS beqz t0, work_notifysig work_resched: + TRACE_IRQS_OFF jal schedule local_irq_disable # make sure need_resched and @@ -155,6 +157,7 @@ syscall_exit_work: beqz t0, work_pending # trace bit set? local_irq_enable # could let syscall_trace_leave() # call schedule() instead + TRACE_IRQS_ON move a0, sp jal syscall_trace_leave b resume_userspace diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index 30a3b75..9d9b8fba 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -38,20 +38,6 @@ void arch_ftrace_update_code(int command) #endif -/* - * Check if the address is in kernel space - * - * Clone core_kernel_text() from kernel/extable.c, but doesn't call - * init_kernel_text() for Ftrace doesn't trace functions in init sections. - */ -static inline int in_kernel_space(unsigned long ip) -{ - if (ip >= (unsigned long)_stext && - ip <= (unsigned long)_etext) - return 1; - return 0; -} - #ifdef CONFIG_DYNAMIC_FTRACE #define JAL 0x0c000000 /* jump & link: ip --> ra, jump to target */ @@ -198,7 +184,7 @@ int ftrace_make_nop(struct module *mod, * If ip is in kernel space, no long call, otherwise, long call is * needed. */ - new = in_kernel_space(ip) ? INSN_NOP : INSN_B_1F; + new = core_kernel_text(ip) ? INSN_NOP : INSN_B_1F; #ifdef CONFIG_64BIT return ftrace_modify_code(ip, new); #else @@ -218,12 +204,12 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) unsigned int new; unsigned long ip = rec->ip; - new = in_kernel_space(ip) ? insn_jal_ftrace_caller : insn_la_mcount[0]; + new = core_kernel_text(ip) ? insn_jal_ftrace_caller : insn_la_mcount[0]; #ifdef CONFIG_64BIT return ftrace_modify_code(ip, new); #else - return ftrace_modify_code_2r(ip, new, in_kernel_space(ip) ? + return ftrace_modify_code_2r(ip, new, core_kernel_text(ip) ? INSN_NOP : insn_la_mcount[1]); #endif } @@ -289,7 +275,7 @@ unsigned long ftrace_get_parent_ra_addr(unsigned long self_ra, unsigned long * instruction "lui v1, hi_16bit_of_mcount"(offset is 24), but for * kernel, move after the instruction "move ra, at"(offset is 16) */ - ip = self_ra - (in_kernel_space(self_ra) ? 16 : 24); + ip = self_ra - (core_kernel_text(self_ra) ? 16 : 24); /* * search the text until finding the non-store instruction or "s{d,w} @@ -394,7 +380,7 @@ void prepare_ftrace_return(unsigned long *parent_ra_addr, unsigned long self_ra, * entries configured through the tracing/set_graph_function interface. */ - insns = in_kernel_space(self_ra) ? 2 : MCOUNT_OFFSET_INSNS + 1; + insns = core_kernel_text(self_ra) ? 2 : MCOUNT_OFFSET_INSNS + 1; trace.func = self_ra - (MCOUNT_INSN_SIZE * insns); /* Only trace if the calling function expects to */ diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S index cf05220..d1bb506 100644 --- a/arch/mips/kernel/head.S +++ b/arch/mips/kernel/head.S @@ -106,8 +106,8 @@ NESTED(kernel_entry, 16, sp) # kernel entry point beq t0, t1, dtb_found #endif li t1, -2 - beq a0, t1, dtb_found move t2, a1 + beq a0, t1, dtb_found li t2, 0 dtb_found: diff --git a/arch/mips/kernel/perf_event_mipsxx.c b/arch/mips/kernel/perf_event_mipsxx.c index 313a88b..f3e301f 100644 --- a/arch/mips/kernel/perf_event_mipsxx.c +++ b/arch/mips/kernel/perf_event_mipsxx.c @@ -1597,7 +1597,6 @@ static const struct mips_perf_event *mipsxx_pmu_map_raw_event(u64 config) break; case CPU_P5600: case CPU_P6600: - case CPU_I6400: /* 8-bit event numbers */ raw_id = config & 0x1ff; base_id = raw_id & 0xff; @@ -1610,6 +1609,11 @@ static const struct mips_perf_event *mipsxx_pmu_map_raw_event(u64 config) raw_event.range = P; #endif break; + case CPU_I6400: + /* 8-bit event numbers */ + base_id = config & 0xff; + raw_event.cntr_mask = CNTR_EVEN | CNTR_ODD; + break; case CPU_1004K: if (IS_BOTH_COUNTERS_1004K_EVENT(base_id)) raw_event.cntr_mask = CNTR_EVEN | CNTR_ODD; diff --git a/arch/mips/kernel/pm-cps.c b/arch/mips/kernel/pm-cps.c index 5f928c3..d994160 100644 --- a/arch/mips/kernel/pm-cps.c +++ b/arch/mips/kernel/pm-cps.c @@ -56,7 +56,6 @@ DECLARE_BITMAP(state_support, CPS_PM_STATE_COUNT); * state. Actually per-core rather than per-CPU. */ static DEFINE_PER_CPU_ALIGNED(u32*, ready_count); -static DEFINE_PER_CPU_ALIGNED(void*, ready_count_alloc); /* Indicates online CPUs coupled with the current CPU */ static DEFINE_PER_CPU_ALIGNED(cpumask_t, online_coupled); @@ -642,7 +641,6 @@ static int cps_pm_online_cpu(unsigned int cpu) { enum cps_pm_state state; unsigned core = cpu_data[cpu].core; - unsigned dlinesz = cpu_data[cpu].dcache.linesz; void *entry_fn, *core_rc; for (state = CPS_PM_NC_WAIT; state < CPS_PM_STATE_COUNT; state++) { @@ -662,16 +660,11 @@ static int cps_pm_online_cpu(unsigned int cpu) } if (!per_cpu(ready_count, core)) { - core_rc = kmalloc(dlinesz * 2, GFP_KERNEL); + core_rc = kmalloc(sizeof(u32), GFP_KERNEL); if (!core_rc) { pr_err("Failed allocate core %u ready_count\n", core); return -ENOMEM; } - per_cpu(ready_count_alloc, core) = core_rc; - - /* Ensure ready_count is aligned to a cacheline boundary */ - core_rc += dlinesz - 1; - core_rc = (void *)((unsigned long)core_rc & ~(dlinesz - 1)); per_cpu(ready_count, core) = core_rc; } diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 918d4c7..5351e1f 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -120,7 +120,6 @@ int copy_thread_tls(unsigned long clone_flags, unsigned long usp, struct thread_info *ti = task_thread_info(p); struct pt_regs *childregs, *regs = current_pt_regs(); unsigned long childksp; - p->set_child_tid = p->clear_child_tid = NULL; childksp = (unsigned long)task_stack_page(p) + THREAD_SIZE - 32; diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 9681b58..38dfa27 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -201,6 +201,8 @@ void show_stack(struct task_struct *task, unsigned long *sp) { struct pt_regs regs; mm_segment_t old_fs = get_fs(); + + regs.cp0_status = KSU_KERNEL; if (sp) { regs.regs[29] = (unsigned long)sp; regs.regs[31] = 0; diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c index 7c6336d..7cd9216 100644 --- a/arch/mips/kvm/tlb.c +++ b/arch/mips/kvm/tlb.c @@ -166,7 +166,11 @@ static int _kvm_mips_host_tlb_inv(unsigned long entryhi) int kvm_mips_host_tlb_inv(struct kvm_vcpu *vcpu, unsigned long va, bool user, bool kernel) { - int idx_user, idx_kernel; + /* + * Initialize idx_user and idx_kernel to workaround bogus + * maybe-initialized warning when using GCC 6. + */ + int idx_user = 0, idx_kernel = 0; unsigned long flags, old_entryhi; local_irq_save(flags); diff --git a/arch/mips/math-emu/dp_maddf.c b/arch/mips/math-emu/dp_maddf.c index 4a2d03c..caa62f2 100644 --- a/arch/mips/math-emu/dp_maddf.c +++ b/arch/mips/math-emu/dp_maddf.c @@ -54,7 +54,7 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x, return ieee754dp_nanxcpt(z); case IEEE754_CLASS_DNORM: DPDNORMZ; - /* QNAN is handled separately below */ + /* QNAN and ZERO cases are handled separately below */ } switch (CLPAIR(xc, yc)) { @@ -210,6 +210,9 @@ static union ieee754dp _dp_maddf(union ieee754dp z, union ieee754dp x, } assert(rm & (DP_HIDDEN_BIT << 3)); + if (zc == IEEE754_CLASS_ZERO) + return ieee754dp_format(rs, re, rm); + /* And now the addition */ assert(zm & DP_HIDDEN_BIT); diff --git a/arch/mips/math-emu/sp_maddf.c b/arch/mips/math-emu/sp_maddf.c index a8cd8b4..c91d5e5 100644 --- a/arch/mips/math-emu/sp_maddf.c +++ b/arch/mips/math-emu/sp_maddf.c @@ -54,7 +54,7 @@ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x, return ieee754sp_nanxcpt(z); case IEEE754_CLASS_DNORM: SPDNORMZ; - /* QNAN is handled separately below */ + /* QNAN and ZERO cases are handled separately below */ } switch (CLPAIR(xc, yc)) { @@ -203,6 +203,9 @@ static union ieee754sp _sp_maddf(union ieee754sp z, union ieee754sp x, } assert(rm & (SP_HIDDEN_BIT << 3)); + if (zc == IEEE754_CLASS_ZERO) + return ieee754sp_format(rs, re, rm); + /* And now the addition */ assert(zm & SP_HIDDEN_BIT); diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c index fe8df14..e08598c 100644 --- a/arch/mips/mm/dma-default.c +++ b/arch/mips/mm/dma-default.c @@ -68,12 +68,25 @@ static inline struct page *dma_addr_to_page(struct device *dev, * systems and only the R10000 and R12000 are used in such systems, the * SGI IP28 Indigo² rsp. SGI IP32 aka O2. */ -static inline int cpu_needs_post_dma_flush(struct device *dev) +static inline bool cpu_needs_post_dma_flush(struct device *dev) { - return !plat_device_is_coherent(dev) && - (boot_cpu_type() == CPU_R10000 || - boot_cpu_type() == CPU_R12000 || - boot_cpu_type() == CPU_BMIPS5000); + if (plat_device_is_coherent(dev)) + return false; + + switch (boot_cpu_type()) { + case CPU_R10000: + case CPU_R12000: + case CPU_BMIPS5000: + return true; + + default: + /* + * Presence of MAARs suggests that the CPU supports + * speculatively prefetching data, and therefore requires + * the post-DMA flush/invalidate. + */ + return cpu_has_maar; + } } static gfp_t massage_gfp_flags(const struct device *dev, gfp_t gfp) diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c index 64dd8bd..28adeab 100644 --- a/arch/mips/mm/mmap.c +++ b/arch/mips/mm/mmap.c @@ -93,7 +93,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp, vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/mips/mm/pgtable-32.c b/arch/mips/mm/pgtable-32.c index adc6911..b19a3c5 100644 --- a/arch/mips/mm/pgtable-32.c +++ b/arch/mips/mm/pgtable-32.c @@ -51,15 +51,15 @@ void __init pagetable_init(void) /* * Fixed mappings: */ - vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK; - fixrange_init(vaddr, vaddr + FIXADDR_SIZE, pgd_base); + vaddr = __fix_to_virt(__end_of_fixed_addresses - 1); + fixrange_init(vaddr & PMD_MASK, vaddr + FIXADDR_SIZE, pgd_base); #ifdef CONFIG_HIGHMEM /* * Permanent kmaps: */ vaddr = PKMAP_BASE; - fixrange_init(vaddr, vaddr + PAGE_SIZE*LAST_PKMAP, pgd_base); + fixrange_init(vaddr & PMD_MASK, vaddr + PAGE_SIZE*LAST_PKMAP, pgd_base); pgd = swapper_pg_dir + __pgd_offset(vaddr); pud = pud_offset(pgd, vaddr); diff --git a/arch/mn10300/include/asm/processor.h b/arch/mn10300/include/asm/processor.h index 18e17ab..3ae4791 100644 --- a/arch/mn10300/include/asm/processor.h +++ b/arch/mn10300/include/asm/processor.h @@ -132,11 +132,6 @@ static inline void start_thread(struct pt_regs *regs, /* Free all resources held by a thread. */ extern void release_thread(struct task_struct *); -/* - * Return saved PC of a blocked thread. - */ -extern unsigned long thread_saved_pc(struct task_struct *tsk); - unsigned long get_wchan(struct task_struct *p); #define task_pt_regs(task) ((task)->thread.uregs) diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c index c9fa426..89e8027 100644 --- a/arch/mn10300/kernel/process.c +++ b/arch/mn10300/kernel/process.c @@ -40,14 +40,6 @@ #include "internal.h" /* - * return saved PC of a blocked thread. - */ -unsigned long thread_saved_pc(struct task_struct *tsk) -{ - return ((unsigned long *) tsk->thread.sp)[3]; -} - -/* * power off function, if any */ void (*pm_power_off)(void); diff --git a/arch/nios2/include/asm/processor.h b/arch/nios2/include/asm/processor.h index 3bbbc3d..4944e2e 100644 --- a/arch/nios2/include/asm/processor.h +++ b/arch/nios2/include/asm/processor.h @@ -75,9 +75,6 @@ static inline void release_thread(struct task_struct *dead_task) { } -/* Return saved PC of a blocked thread. */ -#define thread_saved_pc(tsk) ((tsk)->thread.kregs->ea) - extern unsigned long get_wchan(struct task_struct *p); #define task_pt_regs(p) \ diff --git a/arch/openrisc/include/asm/processor.h b/arch/openrisc/include/asm/processor.h index a908e6c..396d8f3 100644 --- a/arch/openrisc/include/asm/processor.h +++ b/arch/openrisc/include/asm/processor.h @@ -84,11 +84,6 @@ void start_thread(struct pt_regs *regs, unsigned long nip, unsigned long sp); void release_thread(struct task_struct *); unsigned long get_wchan(struct task_struct *p); -/* - * Return saved PC of a blocked thread. For now, this is the "user" PC - */ -extern unsigned long thread_saved_pc(struct task_struct *t); - #define init_stack (init_thread_union.stack) #define cpu_relax() barrier() diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c index f8da545..f9b7700 100644 --- a/arch/openrisc/kernel/process.c +++ b/arch/openrisc/kernel/process.c @@ -110,11 +110,6 @@ void show_regs(struct pt_regs *regs) show_registers(regs); } -unsigned long thread_saved_pc(struct task_struct *t) -{ - return (unsigned long)user_regs(t->stack)->pc; -} - void release_thread(struct task_struct *dead_task) { } @@ -167,8 +162,6 @@ copy_thread(unsigned long clone_flags, unsigned long usp, top_of_kernel_stack = sp; - p->set_child_tid = p->clear_child_tid = NULL; - /* Locate userspace context on stack... */ sp -= STACK_FRAME_OVERHEAD; /* redzone */ sp -= sizeof(struct pt_regs); diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h index a3661ee..4c6694b 100644 --- a/arch/parisc/include/asm/processor.h +++ b/arch/parisc/include/asm/processor.h @@ -163,12 +163,7 @@ struct thread_struct { .flags = 0 \ } -/* - * Return saved PC of a blocked thread. This is used by ps mostly. - */ - struct task_struct; -unsigned long thread_saved_pc(struct task_struct *t); void show_trace(struct task_struct *task, unsigned long *stack); /* diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index 4516a5b..b64d7d2 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -239,11 +239,6 @@ copy_thread(unsigned long clone_flags, unsigned long usp, return 0; } -unsigned long thread_saved_pc(struct task_struct *t) -{ - return t->thread.regs.kpc; -} - unsigned long get_wchan(struct task_struct *p) { diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c index e528863..378a754 100644 --- a/arch/parisc/kernel/sys_parisc.c +++ b/arch/parisc/kernel/sys_parisc.c @@ -90,7 +90,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) { struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; + struct vm_area_struct *vma, *prev; unsigned long task_size = TASK_SIZE; int do_color_align, last_mmap; struct vm_unmapped_area_info info; @@ -117,9 +117,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, else addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); + vma = find_vma_prev(mm, addr, &prev); if (task_size - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma)) && + (!prev || addr >= vm_end_gap(prev))) goto found_addr; } @@ -143,7 +144,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, const unsigned long len, const unsigned long pgoff, const unsigned long flags) { - struct vm_area_struct *vma; + struct vm_area_struct *vma, *prev; struct mm_struct *mm = current->mm; unsigned long addr = addr0; int do_color_align, last_mmap; @@ -177,9 +178,11 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, addr = COLOR_ALIGN(addr, last_mmap, pgoff); else addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); + + vma = find_vma_prev(mm, addr, &prev); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma)) && + (!prev || addr >= vm_end_gap(prev))) goto found_addr; } diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index f7c8f99..bf4391d 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -380,22 +380,6 @@ source "arch/powerpc/platforms/Kconfig" menu "Kernel options" -config PPC_DT_CPU_FTRS - bool "Device-tree based CPU feature discovery & setup" - depends on PPC_BOOK3S_64 - default n - help - This enables code to use a new device tree binding for describing CPU - compatibility and features. Saying Y here will attempt to use the new - binding if the firmware provides it. Currently only the skiboot - firmware provides this binding. - If you're not sure say Y. - -config PPC_CPUFEATURES_ENABLE_UNKNOWN - bool "cpufeatures pass through unknown features to guest/userspace" - depends on PPC_DT_CPU_FTRS - default y - config HIGHMEM bool "High memory support" depends on PPC32 @@ -1215,11 +1199,6 @@ source "arch/powerpc/Kconfig.debug" source "security/Kconfig" -config KEYS_COMPAT - bool - depends on COMPAT && KEYS - default y - source "crypto/Kconfig" config PPC_LIB_RHEAP diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h index b4b5e6b..0c4e470 100644 --- a/arch/powerpc/include/asm/book3s/64/hash-4k.h +++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h @@ -8,7 +8,7 @@ #define H_PTE_INDEX_SIZE 9 #define H_PMD_INDEX_SIZE 7 #define H_PUD_INDEX_SIZE 9 -#define H_PGD_INDEX_SIZE 12 +#define H_PGD_INDEX_SIZE 9 #ifndef __ASSEMBLY__ #define H_PTE_TABLE_SIZE (sizeof(pte_t) << H_PTE_INDEX_SIZE) diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h index f2c562a..0151af6 100644 --- a/arch/powerpc/include/asm/bug.h +++ b/arch/powerpc/include/asm/bug.h @@ -104,7 +104,7 @@ "1: "PPC_TLNEI" %4,0\n" \ _EMIT_BUG_ENTRY \ : : "i" (__FILE__), "i" (__LINE__), \ - "i" (BUGFLAG_TAINT(TAINT_WARN)), \ + "i" (BUGFLAG_WARNING|BUGFLAG_TAINT(TAINT_WARN)),\ "i" (sizeof(struct bug_entry)), \ "r" (__ret_warn_on)); \ } \ diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index c2d5095..d02ad93 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -214,7 +214,6 @@ enum { #define CPU_FTR_DAWR LONG_ASM_CONST(0x0400000000000000) #define CPU_FTR_DABRX LONG_ASM_CONST(0x0800000000000000) #define CPU_FTR_PMAO_BUG LONG_ASM_CONST(0x1000000000000000) -#define CPU_FTR_SUBCORE LONG_ASM_CONST(0x2000000000000000) #define CPU_FTR_POWER9_DD1 LONG_ASM_CONST(0x4000000000000000) #ifndef __ASSEMBLY__ @@ -463,7 +462,7 @@ enum { CPU_FTR_STCX_CHECKS_ADDRESS | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \ CPU_FTR_ICSWX | CPU_FTR_CFAR | CPU_FTR_HVMODE | CPU_FTR_VMX_COPY | \ CPU_FTR_DBELL | CPU_FTR_HAS_PPR | CPU_FTR_DAWR | \ - CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP | CPU_FTR_SUBCORE) + CPU_FTR_ARCH_207S | CPU_FTR_TM_COMP) #define CPU_FTRS_POWER8E (CPU_FTRS_POWER8 | CPU_FTR_PMAO_BUG) #define CPU_FTRS_POWER8_DD1 (CPU_FTRS_POWER8 & ~CPU_FTR_DBELL) #define CPU_FTRS_POWER9 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \ diff --git a/arch/powerpc/include/asm/kprobes.h b/arch/powerpc/include/asm/kprobes.h index a83821f..8814a72 100644 --- a/arch/powerpc/include/asm/kprobes.h +++ b/arch/powerpc/include/asm/kprobes.h @@ -103,6 +103,7 @@ extern int kprobe_exceptions_notify(struct notifier_block *self, extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); extern int kprobe_handler(struct pt_regs *regs); extern int kprobe_post_handler(struct pt_regs *regs); +extern int is_current_kprobe_addr(unsigned long addr); #ifdef CONFIG_KPROBES_ON_FTRACE extern int skip_singlestep(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *kcb); diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index a2123f2..1189d04 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -110,13 +110,18 @@ void release_thread(struct task_struct *); #define TASK_SIZE_128TB (0x0000800000000000UL) #define TASK_SIZE_512TB (0x0002000000000000UL) -#ifdef CONFIG_PPC_BOOK3S_64 +/* + * For now 512TB is only supported with book3s and 64K linux page size. + */ +#if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_PPC_64K_PAGES) /* * Max value currently used: */ -#define TASK_SIZE_USER64 TASK_SIZE_512TB +#define TASK_SIZE_USER64 TASK_SIZE_512TB +#define DEFAULT_MAP_WINDOW_USER64 TASK_SIZE_128TB #else -#define TASK_SIZE_USER64 TASK_SIZE_64TB +#define TASK_SIZE_USER64 TASK_SIZE_64TB +#define DEFAULT_MAP_WINDOW_USER64 TASK_SIZE_64TB #endif /* @@ -132,7 +137,7 @@ void release_thread(struct task_struct *); * space during mmap's. */ #define TASK_UNMAPPED_BASE_USER32 (PAGE_ALIGN(TASK_SIZE_USER32 / 4)) -#define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(TASK_SIZE_128TB / 4)) +#define TASK_UNMAPPED_BASE_USER64 (PAGE_ALIGN(DEFAULT_MAP_WINDOW_USER64 / 4)) #define TASK_UNMAPPED_BASE ((is_32bit_task()) ? \ TASK_UNMAPPED_BASE_USER32 : TASK_UNMAPPED_BASE_USER64 ) @@ -143,21 +148,15 @@ void release_thread(struct task_struct *); * with 128TB and conditionally enable upto 512TB */ #ifdef CONFIG_PPC_BOOK3S_64 -#define DEFAULT_MAP_WINDOW ((is_32bit_task()) ? \ - TASK_SIZE_USER32 : TASK_SIZE_128TB) +#define DEFAULT_MAP_WINDOW ((is_32bit_task()) ? \ + TASK_SIZE_USER32 : DEFAULT_MAP_WINDOW_USER64) #else #define DEFAULT_MAP_WINDOW TASK_SIZE #endif #ifdef __powerpc64__ -#ifdef CONFIG_PPC_BOOK3S_64 -/* Limit stack to 128TB */ -#define STACK_TOP_USER64 TASK_SIZE_128TB -#else -#define STACK_TOP_USER64 TASK_SIZE_USER64 -#endif - +#define STACK_TOP_USER64 DEFAULT_MAP_WINDOW_USER64 #define STACK_TOP_USER32 TASK_SIZE_USER32 #define STACK_TOP (is_32bit_task() ? \ @@ -379,12 +378,6 @@ struct thread_struct { } #endif -/* - * Return saved PC of a blocked thread. For now, this is the "user" PC - */ -#define thread_saved_pc(tsk) \ - ((tsk)->thread.regs? (tsk)->thread.regs->nip: 0) - #define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.regs) unsigned long get_wchan(struct task_struct *p); diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h index 8b3b46b..3297715 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -44,8 +44,22 @@ extern void __init dump_numa_cpu_topology(void); extern int sysfs_add_device_to_node(struct device *dev, int nid); extern void sysfs_remove_device_from_node(struct device *dev, int nid); +static inline int early_cpu_to_node(int cpu) +{ + int nid; + + nid = numa_cpu_lookup_table[cpu]; + + /* + * Fall back to node 0 if nid is unset (it should be, except bugs). + * This allows callers to safely do NODE_DATA(early_cpu_to_node(cpu)). + */ + return (nid < 0) ? 0 : nid; +} #else +static inline int early_cpu_to_node(int cpu) { return 0; } + static inline void dump_numa_cpu_topology(void) {} static inline int sysfs_add_device_to_node(struct device *dev, int nid) diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index 5c0d8a8..41e88d3 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -267,13 +267,7 @@ do { \ extern unsigned long __copy_tofrom_user(void __user *to, const void __user *from, unsigned long size); -#ifndef __powerpc64__ - -#define INLINE_COPY_FROM_USER -#define INLINE_COPY_TO_USER - -#else /* __powerpc64__ */ - +#ifdef __powerpc64__ static inline unsigned long raw_copy_in_user(void __user *to, const void __user *from, unsigned long n) { diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/xive.h index c8a822a..c23ff43 100644 --- a/arch/powerpc/include/asm/xive.h +++ b/arch/powerpc/include/asm/xive.h @@ -94,11 +94,13 @@ struct xive_q { * store at 0 and some ESBs support doing a trigger via a * separate trigger page. */ -#define XIVE_ESB_GET 0x800 -#define XIVE_ESB_SET_PQ_00 0xc00 -#define XIVE_ESB_SET_PQ_01 0xd00 -#define XIVE_ESB_SET_PQ_10 0xe00 -#define XIVE_ESB_SET_PQ_11 0xf00 +#define XIVE_ESB_STORE_EOI 0x400 /* Store */ +#define XIVE_ESB_LOAD_EOI 0x000 /* Load */ +#define XIVE_ESB_GET 0x800 /* Load */ +#define XIVE_ESB_SET_PQ_00 0xc00 /* Load */ +#define XIVE_ESB_SET_PQ_01 0xd00 /* Load */ +#define XIVE_ESB_SET_PQ_10 0xe00 /* Load */ +#define XIVE_ESB_SET_PQ_11 0xf00 /* Load */ #define XIVE_ESB_VAL_P 0x2 #define XIVE_ESB_VAL_Q 0x1 diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index fcc7588..4c7656d 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -8,6 +8,7 @@ #include <linux/export.h> #include <linux/init.h> #include <linux/jump_label.h> +#include <linux/libfdt.h> #include <linux/memblock.h> #include <linux/printk.h> #include <linux/sched.h> @@ -642,7 +643,6 @@ static struct dt_cpu_feature_match __initdata {"processor-control-facility", feat_enable_dbell, CPU_FTR_DBELL}, {"processor-control-facility-v3", feat_enable_dbell, CPU_FTR_DBELL}, {"processor-utilization-of-resources-register", feat_enable_purr, 0}, - {"subcore", feat_enable, CPU_FTR_SUBCORE}, {"no-execute", feat_enable, 0}, {"strong-access-ordering", feat_enable, CPU_FTR_SAO}, {"cache-inhibited-large-page", feat_enable_large_ci, 0}, @@ -671,12 +671,24 @@ static struct dt_cpu_feature_match __initdata {"wait-v3", feat_enable, 0}, }; -/* XXX: how to configure this? Default + boot time? */ -#ifdef CONFIG_PPC_CPUFEATURES_ENABLE_UNKNOWN -#define CPU_FEATURE_ENABLE_UNKNOWN 1 -#else -#define CPU_FEATURE_ENABLE_UNKNOWN 0 -#endif +static bool __initdata using_dt_cpu_ftrs; +static bool __initdata enable_unknown = true; + +static int __init dt_cpu_ftrs_parse(char *str) +{ + if (!str) + return 0; + + if (!strcmp(str, "off")) + using_dt_cpu_ftrs = false; + else if (!strcmp(str, "known")) + enable_unknown = false; + else + return 1; + + return 0; +} +early_param("dt_cpu_ftrs", dt_cpu_ftrs_parse); static void __init cpufeatures_setup_start(u32 isa) { @@ -707,7 +719,7 @@ static bool __init cpufeatures_process_feature(struct dt_cpu_feature *f) } } - if (!known && CPU_FEATURE_ENABLE_UNKNOWN) { + if (!known && enable_unknown) { if (!feat_try_enable_unknown(f)) { pr_info("not enabling: %s (unknown and unsupported by kernel)\n", f->name); @@ -756,6 +768,26 @@ static void __init cpufeatures_setup_finished(void) cur_cpu_spec->cpu_features, cur_cpu_spec->mmu_features); } +static int __init disabled_on_cmdline(void) +{ + unsigned long root, chosen; + const char *p; + + root = of_get_flat_dt_root(); + chosen = of_get_flat_dt_subnode_by_name(root, "chosen"); + if (chosen == -FDT_ERR_NOTFOUND) + return false; + + p = of_get_flat_dt_prop(chosen, "bootargs", NULL); + if (!p) + return false; + + if (strstr(p, "dt_cpu_ftrs=off")) + return true; + + return false; +} + static int __init fdt_find_cpu_features(unsigned long node, const char *uname, int depth, void *data) { @@ -766,8 +798,6 @@ static int __init fdt_find_cpu_features(unsigned long node, const char *uname, return 0; } -static bool __initdata using_dt_cpu_ftrs = false; - bool __init dt_cpu_ftrs_in_use(void) { return using_dt_cpu_ftrs; @@ -775,6 +805,8 @@ bool __init dt_cpu_ftrs_in_use(void) bool __init dt_cpu_ftrs_init(void *fdt) { + using_dt_cpu_ftrs = false; + /* Setup and verify the FDT, if it fails we just bail */ if (!early_init_dt_verify(fdt)) return false; @@ -782,6 +814,9 @@ bool __init dt_cpu_ftrs_init(void *fdt) if (!of_scan_flat_dt(fdt_find_cpu_features, NULL)) return false; + if (disabled_on_cmdline()) + return false; + cpufeatures_setup_cpu(); using_dt_cpu_ftrs = true; @@ -1027,5 +1062,8 @@ static int __init dt_cpu_ftrs_scan_callback(unsigned long node, const char void __init dt_cpu_ftrs_scan(void) { + if (!using_dt_cpu_ftrs) + return; + of_scan_flat_dt(dt_cpu_ftrs_scan_callback, NULL); } diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index ae418b8..b886795 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -1411,10 +1411,8 @@ USE_TEXT_SECTION() .balign IFETCH_ALIGN_BYTES do_hash_page: #ifdef CONFIG_PPC_STD_MMU_64 - andis. r0,r4,0xa410 /* weird error? */ + andis. r0,r4,0xa450 /* weird error? */ bne- handle_page_fault /* if not, try to insert a HPTE */ - andis. r0,r4,DSISR_DABRMATCH@h - bne- handle_dabr_fault CURRENT_THREAD_INFO(r11, r1) lwz r0,TI_PREEMPT(r11) /* If we're in an "NMI" */ andis. r0,r0,NMI_MASK@h /* (i.e. an irq when soft-disabled) */ @@ -1438,11 +1436,16 @@ do_hash_page: /* Error */ blt- 13f + + /* Reload DSISR into r4 for the DABR check below */ + ld r4,_DSISR(r1) #endif /* CONFIG_PPC_STD_MMU_64 */ /* Here we have a page fault that hash_page can't handle. */ handle_page_fault: -11: ld r4,_DAR(r1) +11: andis. r0,r4,DSISR_DABRMATCH@h + bne- handle_dabr_fault + ld r4,_DAR(r1) ld r5,_DSISR(r1) addi r3,r1,STACK_FRAME_OVERHEAD bl do_page_fault diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c index fc43435..01addfb 100644 --- a/arch/powerpc/kernel/kprobes.c +++ b/arch/powerpc/kernel/kprobes.c @@ -43,6 +43,12 @@ DEFINE_PER_CPU(struct kprobe_ctlblk, kprobe_ctlblk); struct kretprobe_blackpoint kretprobe_blacklist[] = {{NULL, NULL}}; +int is_current_kprobe_addr(unsigned long addr) +{ + struct kprobe *p = kprobe_running(); + return (p && (unsigned long)p->addr == addr) ? 1 : 0; +} + bool arch_within_kprobe_blacklist(unsigned long addr) { return (addr >= (unsigned long)__kprobes_text_start && @@ -617,6 +623,15 @@ int setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs) regs->gpr[2] = (unsigned long)(((func_descr_t *)jp->entry)->toc); #endif + /* + * jprobes use jprobe_return() which skips the normal return + * path of the function, and this messes up the accounting of the + * function graph tracer. + * + * Pause function graph tracing while performing the jprobe function. + */ + pause_graph_tracing(); + return 1; } NOKPROBE_SYMBOL(setjmp_pre_handler); @@ -642,6 +657,8 @@ int longjmp_break_handler(struct kprobe *p, struct pt_regs *regs) * saved regs... */ memcpy(regs, &kcb->jprobe_saved_regs, sizeof(struct pt_regs)); + /* It's OK to start function graph tracing again */ + unpause_graph_tracing(); preempt_enable_no_resched(); return 1; } diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index baae104..2ad725e 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1666,6 +1666,7 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp) #ifdef CONFIG_VSX current->thread.used_vsr = 0; #endif + current->thread.load_fp = 0; memset(¤t->thread.fp_state, 0, sizeof(current->thread.fp_state)); current->thread.fp_save_area = NULL; #ifdef CONFIG_ALTIVEC @@ -1674,6 +1675,7 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp) current->thread.vr_save_area = NULL; current->thread.vrsave = 0; current->thread.used_vr = 0; + current->thread.load_vec = 0; #endif /* CONFIG_ALTIVEC */ #ifdef CONFIG_SPE memset(current->thread.evr, 0, sizeof(current->thread.evr)); @@ -1685,6 +1687,7 @@ void start_thread(struct pt_regs *regs, unsigned long start, unsigned long sp) current->thread.tm_tfhar = 0; current->thread.tm_texasr = 0; current->thread.tm_tfiar = 0; + current->thread.load_tm = 0; #endif /* CONFIG_PPC_TRANSACTIONAL_MEM */ } EXPORT_SYMBOL(start_thread); diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 71dcda9..857129a 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -928,7 +928,7 @@ void __init setup_arch(char **cmdline_p) #ifdef CONFIG_PPC_MM_SLICES #ifdef CONFIG_PPC64 - init_mm.context.addr_limit = TASK_SIZE_128TB; + init_mm.context.addr_limit = DEFAULT_MAP_WINDOW_USER64; #else #error "context.addr_limit not initialized." #endif diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index f35ff9d..4640f6d 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -616,6 +616,24 @@ void __init exc_lvl_early_init(void) #endif /* + * Emergency stacks are used for a range of things, from asynchronous + * NMIs (system reset, machine check) to synchronous, process context. + * We set preempt_count to zero, even though that isn't necessarily correct. To + * get the right value we'd need to copy it from the previous thread_info, but + * doing that might fault causing more problems. + * TODO: what to do with accounting? + */ +static void emerg_stack_init_thread_info(struct thread_info *ti, int cpu) +{ + ti->task = NULL; + ti->cpu = cpu; + ti->preempt_count = 0; + ti->local_flags = 0; + ti->flags = 0; + klp_init_thread_info(ti); +} + +/* * Stack space used when we detect a bad kernel stack pointer, and * early in SMP boots before relocation is enabled. Exclusive emergency * stack for machine checks. @@ -633,24 +651,31 @@ void __init emergency_stack_init(void) * Since we use these as temporary stacks during secondary CPU * bringup, we need to get at them in real mode. This means they * must also be within the RMO region. + * + * The IRQ stacks allocated elsewhere in this file are zeroed and + * initialized in kernel/irq.c. These are initialized here in order + * to have emergency stacks available as early as possible. */ limit = min(safe_stack_limit(), ppc64_rma_size); for_each_possible_cpu(i) { struct thread_info *ti; ti = __va(memblock_alloc_base(THREAD_SIZE, THREAD_SIZE, limit)); - klp_init_thread_info(ti); + memset(ti, 0, THREAD_SIZE); + emerg_stack_init_thread_info(ti, i); paca[i].emergency_sp = (void *)ti + THREAD_SIZE; #ifdef CONFIG_PPC_BOOK3S_64 /* emergency stack for NMI exception handling. */ ti = __va(memblock_alloc_base(THREAD_SIZE, THREAD_SIZE, limit)); - klp_init_thread_info(ti); + memset(ti, 0, THREAD_SIZE); + emerg_stack_init_thread_info(ti, i); paca[i].nmi_emergency_sp = (void *)ti + THREAD_SIZE; /* emergency stack for machine check exception handling. */ ti = __va(memblock_alloc_base(THREAD_SIZE, THREAD_SIZE, limit)); - klp_init_thread_info(ti); + memset(ti, 0, THREAD_SIZE); + emerg_stack_init_thread_info(ti, i); paca[i].mc_emergency_sp = (void *)ti + THREAD_SIZE; #endif } @@ -661,7 +686,7 @@ void __init emergency_stack_init(void) static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align) { - return __alloc_bootmem_node(NODE_DATA(cpu_to_node(cpu)), size, align, + return __alloc_bootmem_node(NODE_DATA(early_cpu_to_node(cpu)), size, align, __pa(MAX_DMA_ADDRESS)); } @@ -672,7 +697,7 @@ static void __init pcpu_fc_free(void *ptr, size_t size) static int pcpu_cpu_distance(unsigned int from, unsigned int to) { - if (cpu_to_node(from) == cpu_to_node(to)) + if (early_cpu_to_node(from) == early_cpu_to_node(to)) return LOCAL_DISTANCE; else return REMOTE_DISTANCE; diff --git a/arch/powerpc/kernel/trace/ftrace_64_mprofile.S b/arch/powerpc/kernel/trace/ftrace_64_mprofile.S index 7c933a9..c98e90b 100644 --- a/arch/powerpc/kernel/trace/ftrace_64_mprofile.S +++ b/arch/powerpc/kernel/trace/ftrace_64_mprofile.S @@ -45,10 +45,14 @@ _GLOBAL(ftrace_caller) stdu r1,-SWITCH_FRAME_SIZE(r1) /* Save all gprs to pt_regs */ - SAVE_8GPRS(0,r1) - SAVE_8GPRS(8,r1) - SAVE_8GPRS(16,r1) - SAVE_8GPRS(24,r1) + SAVE_GPR(0, r1) + SAVE_10GPRS(2, r1) + SAVE_10GPRS(12, r1) + SAVE_10GPRS(22, r1) + + /* Save previous stack pointer (r1) */ + addi r8, r1, SWITCH_FRAME_SIZE + std r8, GPR1(r1) /* Load special regs for save below */ mfmsr r8 @@ -95,18 +99,44 @@ ftrace_call: bl ftrace_stub nop - /* Load ctr with the possibly modified NIP */ - ld r3, _NIP(r1) - mtctr r3 + /* Load the possibly modified NIP */ + ld r15, _NIP(r1) + #ifdef CONFIG_LIVEPATCH - cmpd r14,r3 /* has NIP been altered? */ + cmpd r14, r15 /* has NIP been altered? */ +#endif + +#if defined(CONFIG_LIVEPATCH) && defined(CONFIG_KPROBES_ON_FTRACE) + /* NIP has not been altered, skip over further checks */ + beq 1f + + /* Check if there is an active kprobe on us */ + subi r3, r14, 4 + bl is_current_kprobe_addr + nop + + /* + * If r3 == 1, then this is a kprobe/jprobe. + * else, this is livepatched function. + * + * The conditional branch for livepatch_handler below will use the + * result of this comparison. For kprobe/jprobe, we just need to branch to + * the new NIP, not call livepatch_handler. The branch below is bne, so we + * want CR0[EQ] to be true if this is a kprobe/jprobe. Which means we want + * CR0[EQ] = (r3 == 1). + */ + cmpdi r3, 1 +1: #endif + /* Load CTR with the possibly modified NIP */ + mtctr r15 + /* Restore gprs */ - REST_8GPRS(0,r1) - REST_8GPRS(8,r1) - REST_8GPRS(16,r1) - REST_8GPRS(24,r1) + REST_GPR(0,r1) + REST_10GPRS(2,r1) + REST_10GPRS(12,r1) + REST_10GPRS(22,r1) /* Restore possibly modified LR */ ld r0, _LINK(r1) @@ -119,7 +149,10 @@ ftrace_call: addi r1, r1, SWITCH_FRAME_SIZE #ifdef CONFIG_LIVEPATCH - /* Based on the cmpd above, if the NIP was altered handle livepatch */ + /* + * Based on the cmpd or cmpdi above, if the NIP was altered and we're + * not on a kprobe/jprobe, then handle livepatch. + */ bne- livepatch_handler #endif diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 42b7a4f..8d1a365 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -1486,6 +1486,14 @@ static int kvmppc_set_one_reg_hv(struct kvm_vcpu *vcpu, u64 id, r = set_vpa(vcpu, &vcpu->arch.dtl, addr, len); break; case KVM_REG_PPC_TB_OFFSET: + /* + * POWER9 DD1 has an erratum where writing TBU40 causes + * the timebase to lose ticks. So we don't let the + * timebase offset be changed on P9 DD1. (It is + * initialized to zero.) + */ + if (cpu_has_feature(CPU_FTR_POWER9_DD1)) + break; /* round up to multiple of 2^24 */ vcpu->arch.vcore->tb_offset = ALIGN(set_reg_val(id, *val), 1UL << 24); @@ -2907,12 +2915,36 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu) { int r; int srcu_idx; + unsigned long ebb_regs[3] = {}; /* shut up GCC */ + unsigned long user_tar = 0; + unsigned int user_vrsave; if (!vcpu->arch.sane) { run->exit_reason = KVM_EXIT_INTERNAL_ERROR; return -EINVAL; } + /* + * Don't allow entry with a suspended transaction, because + * the guest entry/exit code will lose it. + * If the guest has TM enabled, save away their TM-related SPRs + * (they will get restored by the TM unavailable interrupt). + */ +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM + if (cpu_has_feature(CPU_FTR_TM) && current->thread.regs && + (current->thread.regs->msr & MSR_TM)) { + if (MSR_TM_ACTIVE(current->thread.regs->msr)) { + run->exit_reason = KVM_EXIT_FAIL_ENTRY; + run->fail_entry.hardware_entry_failure_reason = 0; + return -EINVAL; + } + current->thread.tm_tfhar = mfspr(SPRN_TFHAR); + current->thread.tm_tfiar = mfspr(SPRN_TFIAR); + current->thread.tm_texasr = mfspr(SPRN_TEXASR); + current->thread.regs->msr &= ~MSR_TM; + } +#endif + kvmppc_core_prepare_to_enter(vcpu); /* No need to go into the guest when all we'll do is come back out */ @@ -2934,6 +2966,15 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu) flush_all_to_thread(current); + /* Save userspace EBB and other register values */ + if (cpu_has_feature(CPU_FTR_ARCH_207S)) { + ebb_regs[0] = mfspr(SPRN_EBBHR); + ebb_regs[1] = mfspr(SPRN_EBBRR); + ebb_regs[2] = mfspr(SPRN_BESCR); + user_tar = mfspr(SPRN_TAR); + } + user_vrsave = mfspr(SPRN_VRSAVE); + vcpu->arch.wqp = &vcpu->arch.vcore->wq; vcpu->arch.pgdir = current->mm->pgd; vcpu->arch.state = KVMPPC_VCPU_BUSY_IN_HOST; @@ -2960,6 +3001,16 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu) } } while (is_kvmppc_resume_guest(r)); + /* Restore userspace EBB and other register values */ + if (cpu_has_feature(CPU_FTR_ARCH_207S)) { + mtspr(SPRN_EBBHR, ebb_regs[0]); + mtspr(SPRN_EBBRR, ebb_regs[1]); + mtspr(SPRN_BESCR, ebb_regs[2]); + mtspr(SPRN_TAR, user_tar); + mtspr(SPRN_FSCR, current->thread.fscr); + } + mtspr(SPRN_VRSAVE, user_vrsave); + out: vcpu->arch.state = KVMPPC_VCPU_NOTREADY; atomic_dec(&vcpu->kvm->arch.vcpus_running); diff --git a/arch/powerpc/kvm/book3s_hv_interrupts.S b/arch/powerpc/kvm/book3s_hv_interrupts.S index 0fdc4a2..404deb5 100644 --- a/arch/powerpc/kvm/book3s_hv_interrupts.S +++ b/arch/powerpc/kvm/book3s_hv_interrupts.S @@ -121,10 +121,20 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) * Put whatever is in the decrementer into the * hypervisor decrementer. */ +BEGIN_FTR_SECTION + ld r5, HSTATE_KVM_VCORE(r13) + ld r6, VCORE_KVM(r5) + ld r9, KVM_HOST_LPCR(r6) + andis. r9, r9, LPCR_LD@h +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) mfspr r8,SPRN_DEC mftb r7 - mtspr SPRN_HDEC,r8 +BEGIN_FTR_SECTION + /* On POWER9, don't sign-extend if host LPCR[LD] bit is set */ + bne 32f +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) extsw r8,r8 +32: mtspr SPRN_HDEC,r8 add r8,r8,r7 std r8,HSTATE_DECEXP(r13) diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index bdb3f76..4888dd4 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -32,12 +32,29 @@ #include <asm/opal.h> #include <asm/xive-regs.h> +/* Sign-extend HDEC if not on POWER9 */ +#define EXTEND_HDEC(reg) \ +BEGIN_FTR_SECTION; \ + extsw reg, reg; \ +END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_300) + #define VCPU_GPRS_TM(reg) (((reg) * ULONG_SIZE) + VCPU_GPR_TM) /* Values in HSTATE_NAPPING(r13) */ #define NAPPING_CEDE 1 #define NAPPING_NOVCPU 2 +/* Stack frame offsets for kvmppc_hv_entry */ +#define SFS 144 +#define STACK_SLOT_TRAP (SFS-4) +#define STACK_SLOT_TID (SFS-16) +#define STACK_SLOT_PSSCR (SFS-24) +#define STACK_SLOT_PID (SFS-32) +#define STACK_SLOT_IAMR (SFS-40) +#define STACK_SLOT_CIABR (SFS-48) +#define STACK_SLOT_DAWR (SFS-56) +#define STACK_SLOT_DAWRX (SFS-64) + /* * Call kvmppc_hv_entry in real mode. * Must be called with interrupts hard-disabled. @@ -214,6 +231,8 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) kvmppc_primary_no_guest: /* We handle this much like a ceded vcpu */ /* put the HDEC into the DEC, since HDEC interrupts don't wake us */ + /* HDEC may be larger than DEC for arch >= v3.00, but since the */ + /* HDEC value came from DEC in the first place, it will fit */ mfspr r3, SPRN_HDEC mtspr SPRN_DEC, r3 /* @@ -295,8 +314,9 @@ kvm_novcpu_wakeup: /* See if our timeslice has expired (HDEC is negative) */ mfspr r0, SPRN_HDEC + EXTEND_HDEC(r0) li r12, BOOK3S_INTERRUPT_HV_DECREMENTER - cmpwi r0, 0 + cmpdi r0, 0 blt kvm_novcpu_exit /* Got an IPI but other vcpus aren't yet exiting, must be a latecomer */ @@ -319,10 +339,10 @@ kvm_novcpu_exit: bl kvmhv_accumulate_time #endif 13: mr r3, r12 - stw r12, 112-4(r1) + stw r12, STACK_SLOT_TRAP(r1) bl kvmhv_commence_exit nop - lwz r12, 112-4(r1) + lwz r12, STACK_SLOT_TRAP(r1) b kvmhv_switch_to_host /* @@ -390,8 +410,8 @@ kvm_secondary_got_guest: lbz r4, HSTATE_PTID(r13) cmpwi r4, 0 bne 63f - lis r6, 0x7fff - ori r6, r6, 0xffff + LOAD_REG_ADDR(r6, decrementer_max) + ld r6, 0(r6) mtspr SPRN_HDEC, r6 /* and set per-LPAR registers, if doing dynamic micro-threading */ ld r6, HSTATE_SPLIT_MODE(r13) @@ -545,11 +565,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) * * *****************************************************************************/ -/* Stack frame offsets */ -#define STACK_SLOT_TID (112-16) -#define STACK_SLOT_PSSCR (112-24) -#define STACK_SLOT_PID (112-32) - .global kvmppc_hv_entry kvmppc_hv_entry: @@ -565,7 +580,7 @@ kvmppc_hv_entry: */ mflr r0 std r0, PPC_LR_STKOFF(r1) - stdu r1, -112(r1) + stdu r1, -SFS(r1) /* Save R1 in the PACA */ std r1, HSTATE_HOST_R1(r13) @@ -749,10 +764,20 @@ BEGIN_FTR_SECTION mfspr r5, SPRN_TIDR mfspr r6, SPRN_PSSCR mfspr r7, SPRN_PID + mfspr r8, SPRN_IAMR std r5, STACK_SLOT_TID(r1) std r6, STACK_SLOT_PSSCR(r1) std r7, STACK_SLOT_PID(r1) + std r8, STACK_SLOT_IAMR(r1) END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) +BEGIN_FTR_SECTION + mfspr r5, SPRN_CIABR + mfspr r6, SPRN_DAWR + mfspr r7, SPRN_DAWRX + std r5, STACK_SLOT_CIABR(r1) + std r6, STACK_SLOT_DAWR(r1) + std r7, STACK_SLOT_DAWRX(r1) +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) BEGIN_FTR_SECTION /* Set partition DABR */ @@ -968,7 +993,8 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_300) /* Check if HDEC expires soon */ mfspr r3, SPRN_HDEC - cmpwi r3, 512 /* 1 microsecond */ + EXTEND_HDEC(r3) + cmpdi r3, 512 /* 1 microsecond */ blt hdec_soon #ifdef CONFIG_KVM_XICS @@ -1505,11 +1531,10 @@ ALT_FTR_SECTION_END_IFCLR(CPU_FTR_ARCH_300) * set by the guest could disrupt the host. */ li r0, 0 - mtspr SPRN_IAMR, r0 - mtspr SPRN_CIABR, r0 - mtspr SPRN_DAWRX, r0 + mtspr SPRN_PSPB, r0 mtspr SPRN_WORT, r0 BEGIN_FTR_SECTION + mtspr SPRN_IAMR, r0 mtspr SPRN_TCSCR, r0 /* Set MMCRS to 1<<31 to freeze and disable the SPMC counters */ li r0, 1 @@ -1525,6 +1550,7 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_300) std r6,VCPU_UAMOR(r9) li r6,0 mtspr SPRN_AMR,r6 + mtspr SPRN_UAMOR, r6 /* Switch DSCR back to host value */ mfspr r8, SPRN_DSCR @@ -1670,12 +1696,22 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) /* Restore host values of some registers */ BEGIN_FTR_SECTION + ld r5, STACK_SLOT_CIABR(r1) + ld r6, STACK_SLOT_DAWR(r1) + ld r7, STACK_SLOT_DAWRX(r1) + mtspr SPRN_CIABR, r5 + mtspr SPRN_DAWR, r6 + mtspr SPRN_DAWRX, r7 +END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) +BEGIN_FTR_SECTION ld r5, STACK_SLOT_TID(r1) ld r6, STACK_SLOT_PSSCR(r1) ld r7, STACK_SLOT_PID(r1) + ld r8, STACK_SLOT_IAMR(r1) mtspr SPRN_TIDR, r5 mtspr SPRN_PSSCR, r6 mtspr SPRN_PID, r7 + mtspr SPRN_IAMR, r8 END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) BEGIN_FTR_SECTION PPC_INVALIDATE_ERAT @@ -1819,8 +1855,8 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_RADIX) li r0, KVM_GUEST_MODE_NONE stb r0, HSTATE_IN_GUEST(r13) - ld r0, 112+PPC_LR_STKOFF(r1) - addi r1, r1, 112 + ld r0, SFS+PPC_LR_STKOFF(r1) + addi r1, r1, SFS mtlr r0 blr @@ -2366,12 +2402,13 @@ END_FTR_SECTION_IFSET(CPU_FTR_TM) mfspr r3, SPRN_DEC mfspr r4, SPRN_HDEC mftb r5 - cmpw r3, r4 + extsw r3, r3 + EXTEND_HDEC(r4) + cmpd r3, r4 ble 67f mtspr SPRN_DEC, r4 67: /* save expiry time of guest decrementer */ - extsw r3, r3 add r3, r3, r5 ld r4, HSTATE_KVM_VCPU(r13) ld r5, HSTATE_KVM_VCORE(r13) diff --git a/arch/powerpc/kvm/book3s_xive_template.c b/arch/powerpc/kvm/book3s_xive_template.c index 023a311..4636ca6 100644 --- a/arch/powerpc/kvm/book3s_xive_template.c +++ b/arch/powerpc/kvm/book3s_xive_template.c @@ -69,7 +69,7 @@ static void GLUE(X_PFX,source_eoi)(u32 hw_irq, struct xive_irq_data *xd) { /* If the XIVE supports the new "store EOI facility, use it */ if (xd->flags & XIVE_IRQ_FLAG_STORE_EOI) - __x_writeq(0, __x_eoi_page(xd)); + __x_writeq(0, __x_eoi_page(xd) + XIVE_ESB_STORE_EOI); else if (hw_irq && xd->flags & XIVE_IRQ_FLAG_EOI_FW) { opal_int_eoi(hw_irq); } else { @@ -89,7 +89,7 @@ static void GLUE(X_PFX,source_eoi)(u32 hw_irq, struct xive_irq_data *xd) * properly. */ if (xd->flags & XIVE_IRQ_FLAG_LSI) - __x_readq(__x_eoi_page(xd)); + __x_readq(__x_eoi_page(xd) + XIVE_ESB_LOAD_EOI); else { eoi_val = GLUE(X_PFX,esb_load)(xd, XIVE_ESB_SET_PQ_00); diff --git a/arch/powerpc/mm/hugetlbpage-radix.c b/arch/powerpc/mm/hugetlbpage-radix.c index 6575b9a..a12e863 100644 --- a/arch/powerpc/mm/hugetlbpage-radix.c +++ b/arch/powerpc/mm/hugetlbpage-radix.c @@ -68,7 +68,7 @@ radix__hugetlb_get_unmapped_area(struct file *file, unsigned long addr, addr = ALIGN(addr, huge_page_size(h)); vma = find_vma(mm, addr); if (mm->task_size - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } /* diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c index 9dbd2a73..0ee6be4 100644 --- a/arch/powerpc/mm/mmap.c +++ b/arch/powerpc/mm/mmap.c @@ -112,7 +112,7 @@ radix__arch_get_unmapped_area(struct file *filp, unsigned long addr, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (mm->task_size - len >= addr && addr >= mmap_min_addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } @@ -157,7 +157,7 @@ radix__arch_get_unmapped_area_topdown(struct file *filp, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (mm->task_size - len >= addr && addr >= mmap_min_addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/powerpc/mm/mmu_context_book3s64.c b/arch/powerpc/mm/mmu_context_book3s64.c index c6dca2a..a3edf81 100644 --- a/arch/powerpc/mm/mmu_context_book3s64.c +++ b/arch/powerpc/mm/mmu_context_book3s64.c @@ -99,7 +99,7 @@ static int hash__init_new_context(struct mm_struct *mm) * mm->context.addr_limit. Default to max task size so that we copy the * default values to paca which will help us to handle slb miss early. */ - mm->context.addr_limit = TASK_SIZE_128TB; + mm->context.addr_limit = DEFAULT_MAP_WINDOW_USER64; /* * The old code would re-promote on fork, we don't do that when using diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c index 966b9fc..45f6740 100644 --- a/arch/powerpc/mm/slice.c +++ b/arch/powerpc/mm/slice.c @@ -99,7 +99,7 @@ static int slice_area_is_free(struct mm_struct *mm, unsigned long addr, if ((mm->task_size - len) < addr) return 0; vma = find_vma(mm, addr); - return (!vma || (addr + len) <= vma->vm_start); + return (!vma || (addr + len) <= vm_start_gap(vma)); } static int slice_low_has_vma(struct mm_struct *mm, unsigned long slice) diff --git a/arch/powerpc/perf/perf_regs.c b/arch/powerpc/perf/perf_regs.c index cbd82fd..09ceea6 100644 --- a/arch/powerpc/perf/perf_regs.c +++ b/arch/powerpc/perf/perf_regs.c @@ -101,5 +101,6 @@ void perf_get_regs_user(struct perf_regs *regs_user, struct pt_regs *regs_user_copy) { regs_user->regs = task_pt_regs(current); - regs_user->abi = perf_reg_abi(current); + regs_user->abi = (regs_user->regs) ? perf_reg_abi(current) : + PERF_SAMPLE_REGS_ABI_NONE; } diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c index 018f8e9..bb28e1a 100644 --- a/arch/powerpc/perf/power9-pmu.c +++ b/arch/powerpc/perf/power9-pmu.c @@ -402,7 +402,7 @@ static struct power_pmu power9_isa207_pmu = { .name = "POWER9", .n_counter = MAX_PMU_COUNTERS, .add_fields = ISA207_ADD_FIELDS, - .test_adder = ISA207_TEST_ADDER, + .test_adder = P9_DD1_TEST_ADDER, .compute_mmcr = isa207_compute_mmcr, .config_bhrb = power9_config_bhrb, .bhrb_filter_map = power9_bhrb_filter_map, @@ -421,7 +421,7 @@ static struct power_pmu power9_pmu = { .name = "POWER9", .n_counter = MAX_PMU_COUNTERS, .add_fields = ISA207_ADD_FIELDS, - .test_adder = P9_DD1_TEST_ADDER, + .test_adder = ISA207_TEST_ADDER, .compute_mmcr = isa207_compute_mmcr, .config_bhrb = power9_config_bhrb, .bhrb_filter_map = power9_bhrb_filter_map, diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig index 33244e3..4fd64d3 100644 --- a/arch/powerpc/platforms/Kconfig +++ b/arch/powerpc/platforms/Kconfig @@ -59,6 +59,17 @@ config PPC_OF_BOOT_TRAMPOLINE In case of doubt, say Y +config PPC_DT_CPU_FTRS + bool "Device-tree based CPU feature discovery & setup" + depends on PPC_BOOK3S_64 + default y + help + This enables code to use a new device tree binding for describing CPU + compatibility and features. Saying Y here will attempt to use the new + binding if the firmware provides it. Currently only the skiboot + firmware provides this binding. + If you're not sure say Y. + config UDBG_RTAS_CONSOLE bool "RTAS based debug console" depends on PPC_RTAS diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c index e5a891a..84b7ac9 100644 --- a/arch/powerpc/platforms/cell/spufs/coredump.c +++ b/arch/powerpc/platforms/cell/spufs/coredump.c @@ -175,6 +175,8 @@ static int spufs_arch_write_note(struct spu_context *ctx, int i, skip = roundup(cprm->pos - total + sz, 4) - cprm->pos; if (!dump_skip(cprm, skip)) goto Eio; + + rc = 0; out: free_page((unsigned long)buf); return rc; diff --git a/arch/powerpc/platforms/powernv/npu-dma.c b/arch/powerpc/platforms/powernv/npu-dma.c index 78fa939..b5d960d 100644 --- a/arch/powerpc/platforms/powernv/npu-dma.c +++ b/arch/powerpc/platforms/powernv/npu-dma.c @@ -75,7 +75,8 @@ struct pci_dev *pnv_pci_get_npu_dev(struct pci_dev *gpdev, int index) if (WARN_ON(!gpdev)) return NULL; - if (WARN_ON(!gpdev->dev.of_node)) + /* Not all PCI devices have device-tree nodes */ + if (!gpdev->dev.of_node) return NULL; /* Get assoicated PCI device */ @@ -448,7 +449,7 @@ static int mmio_launch_invalidate(struct npu *npu, unsigned long launch, return mmio_atsd_reg; } -static int mmio_invalidate_pid(struct npu *npu, unsigned long pid) +static int mmio_invalidate_pid(struct npu *npu, unsigned long pid, bool flush) { unsigned long launch; @@ -464,12 +465,15 @@ static int mmio_invalidate_pid(struct npu *npu, unsigned long pid) /* PID */ launch |= pid << PPC_BITLSHIFT(38); + /* No flush */ + launch |= !flush << PPC_BITLSHIFT(39); + /* Invalidating the entire process doesn't use a va */ return mmio_launch_invalidate(npu, launch, 0); } static int mmio_invalidate_va(struct npu *npu, unsigned long va, - unsigned long pid) + unsigned long pid, bool flush) { unsigned long launch; @@ -485,26 +489,60 @@ static int mmio_invalidate_va(struct npu *npu, unsigned long va, /* PID */ launch |= pid << PPC_BITLSHIFT(38); + /* No flush */ + launch |= !flush << PPC_BITLSHIFT(39); + return mmio_launch_invalidate(npu, launch, va); } #define mn_to_npu_context(x) container_of(x, struct npu_context, mn) +struct mmio_atsd_reg { + struct npu *npu; + int reg; +}; + +static void mmio_invalidate_wait( + struct mmio_atsd_reg mmio_atsd_reg[NV_MAX_NPUS], bool flush) +{ + struct npu *npu; + int i, reg; + + /* Wait for all invalidations to complete */ + for (i = 0; i <= max_npu2_index; i++) { + if (mmio_atsd_reg[i].reg < 0) + continue; + + /* Wait for completion */ + npu = mmio_atsd_reg[i].npu; + reg = mmio_atsd_reg[i].reg; + while (__raw_readq(npu->mmio_atsd_regs[reg] + XTS_ATSD_STAT)) + cpu_relax(); + + put_mmio_atsd_reg(npu, reg); + + /* + * The GPU requires two flush ATSDs to ensure all entries have + * been flushed. We use PID 0 as it will never be used for a + * process on the GPU. + */ + if (flush) + mmio_invalidate_pid(npu, 0, true); + } +} + /* * Invalidate either a single address or an entire PID depending on * the value of va. */ static void mmio_invalidate(struct npu_context *npu_context, int va, - unsigned long address) + unsigned long address, bool flush) { - int i, j, reg; + int i, j; struct npu *npu; struct pnv_phb *nphb; struct pci_dev *npdev; - struct { - struct npu *npu; - int reg; - } mmio_atsd_reg[NV_MAX_NPUS]; + struct mmio_atsd_reg mmio_atsd_reg[NV_MAX_NPUS]; unsigned long pid = npu_context->mm->context.id; /* @@ -524,10 +562,11 @@ static void mmio_invalidate(struct npu_context *npu_context, int va, if (va) mmio_atsd_reg[i].reg = - mmio_invalidate_va(npu, address, pid); + mmio_invalidate_va(npu, address, pid, + flush); else mmio_atsd_reg[i].reg = - mmio_invalidate_pid(npu, pid); + mmio_invalidate_pid(npu, pid, flush); /* * The NPU hardware forwards the shootdown to all GPUs @@ -543,18 +582,10 @@ static void mmio_invalidate(struct npu_context *npu_context, int va, */ flush_tlb_mm(npu_context->mm); - /* Wait for all invalidations to complete */ - for (i = 0; i <= max_npu2_index; i++) { - if (mmio_atsd_reg[i].reg < 0) - continue; - - /* Wait for completion */ - npu = mmio_atsd_reg[i].npu; - reg = mmio_atsd_reg[i].reg; - while (__raw_readq(npu->mmio_atsd_regs[reg] + XTS_ATSD_STAT)) - cpu_relax(); - put_mmio_atsd_reg(npu, reg); - } + mmio_invalidate_wait(mmio_atsd_reg, flush); + if (flush) + /* Wait for the flush to complete */ + mmio_invalidate_wait(mmio_atsd_reg, false); } static void pnv_npu2_mn_release(struct mmu_notifier *mn, @@ -570,7 +601,7 @@ static void pnv_npu2_mn_release(struct mmu_notifier *mn, * There should be no more translation requests for this PID, but we * need to ensure any entries for it are removed from the TLB. */ - mmio_invalidate(npu_context, 0, 0); + mmio_invalidate(npu_context, 0, 0, true); } static void pnv_npu2_mn_change_pte(struct mmu_notifier *mn, @@ -580,7 +611,7 @@ static void pnv_npu2_mn_change_pte(struct mmu_notifier *mn, { struct npu_context *npu_context = mn_to_npu_context(mn); - mmio_invalidate(npu_context, 1, address); + mmio_invalidate(npu_context, 1, address, true); } static void pnv_npu2_mn_invalidate_page(struct mmu_notifier *mn, @@ -589,7 +620,7 @@ static void pnv_npu2_mn_invalidate_page(struct mmu_notifier *mn, { struct npu_context *npu_context = mn_to_npu_context(mn); - mmio_invalidate(npu_context, 1, address); + mmio_invalidate(npu_context, 1, address, true); } static void pnv_npu2_mn_invalidate_range(struct mmu_notifier *mn, @@ -599,8 +630,11 @@ static void pnv_npu2_mn_invalidate_range(struct mmu_notifier *mn, struct npu_context *npu_context = mn_to_npu_context(mn); unsigned long address; - for (address = start; address <= end; address += PAGE_SIZE) - mmio_invalidate(npu_context, 1, address); + for (address = start; address < end; address += PAGE_SIZE) + mmio_invalidate(npu_context, 1, address, false); + + /* Do the flush only on the final addess == end */ + mmio_invalidate(npu_context, 1, address, true); } static const struct mmu_notifier_ops nv_nmmu_notifier_ops = { @@ -650,8 +684,11 @@ struct npu_context *pnv_npu2_init_context(struct pci_dev *gpdev, /* No nvlink associated with this GPU device */ return ERR_PTR(-ENODEV); - if (!mm) { - /* kernel thread contexts are not supported */ + if (!mm || mm->context.id == 0) { + /* + * Kernel thread contexts are not supported and context id 0 is + * reserved on the GPU. + */ return ERR_PTR(-EINVAL); } diff --git a/arch/powerpc/platforms/powernv/subcore.c b/arch/powerpc/platforms/powernv/subcore.c index 0babef1..8c61192 100644 --- a/arch/powerpc/platforms/powernv/subcore.c +++ b/arch/powerpc/platforms/powernv/subcore.c @@ -407,7 +407,13 @@ static DEVICE_ATTR(subcores_per_core, 0644, static int subcore_init(void) { - if (!cpu_has_feature(CPU_FTR_SUBCORE)) + unsigned pvr_ver; + + pvr_ver = PVR_VER(mfspr(SPRN_PVR)); + + if (pvr_ver != PVR_POWER8 && + pvr_ver != PVR_POWER8E && + pvr_ver != PVR_POWER8NVL) return 0; /* diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c index e104c71..1fb162b 100644 --- a/arch/powerpc/platforms/pseries/hotplug-memory.c +++ b/arch/powerpc/platforms/pseries/hotplug-memory.c @@ -124,6 +124,7 @@ static struct property *dlpar_clone_drconf_property(struct device_node *dn) for (i = 0; i < num_lmbs; i++) { lmbs[i].base_addr = be64_to_cpu(lmbs[i].base_addr); lmbs[i].drc_index = be32_to_cpu(lmbs[i].drc_index); + lmbs[i].aa_index = be32_to_cpu(lmbs[i].aa_index); lmbs[i].flags = be32_to_cpu(lmbs[i].flags); } @@ -147,6 +148,7 @@ static void dlpar_update_drconf_property(struct device_node *dn, for (i = 0; i < num_lmbs; i++) { lmbs[i].base_addr = cpu_to_be64(lmbs[i].base_addr); lmbs[i].drc_index = cpu_to_be32(lmbs[i].drc_index); + lmbs[i].aa_index = cpu_to_be32(lmbs[i].aa_index); lmbs[i].flags = cpu_to_be32(lmbs[i].flags); } diff --git a/arch/powerpc/sysdev/simple_gpio.c b/arch/powerpc/sysdev/simple_gpio.c index ef470b4..6afddae 100644 --- a/arch/powerpc/sysdev/simple_gpio.c +++ b/arch/powerpc/sysdev/simple_gpio.c @@ -75,7 +75,8 @@ static int u8_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) static void u8_gpio_save_regs(struct of_mm_gpio_chip *mm_gc) { - struct u8_gpio_chip *u8_gc = gpiochip_get_data(&mm_gc->gc); + struct u8_gpio_chip *u8_gc = + container_of(mm_gc, struct u8_gpio_chip, mm_gc); u8_gc->data = in_8(mm_gc->regs); } diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index 9138250..8f5e303 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -297,7 +297,7 @@ void xive_do_source_eoi(u32 hw_irq, struct xive_irq_data *xd) { /* If the XIVE supports the new "store EOI facility, use it */ if (xd->flags & XIVE_IRQ_FLAG_STORE_EOI) - out_be64(xd->eoi_mmio, 0); + out_be64(xd->eoi_mmio + XIVE_ESB_STORE_EOI, 0); else if (hw_irq && xd->flags & XIVE_IRQ_FLAG_EOI_FW) { /* * The FW told us to call it. This happens for some diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index e161faf..6967add 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -363,9 +363,6 @@ config COMPAT config SYSVIPC_COMPAT def_bool y if COMPAT && SYSVIPC -config KEYS_COMPAT - def_bool y if COMPAT && KEYS - config SMP def_bool y prompt "Symmetric multi-processing support" diff --git a/arch/s390/configs/default_defconfig b/arch/s390/configs/default_defconfig index a5039fa..2820722 100644 --- a/arch/s390/configs/default_defconfig +++ b/arch/s390/configs/default_defconfig @@ -30,6 +30,7 @@ CONFIG_USER_NS=y CONFIG_SCHED_AUTOGROUP=y CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y +# CONFIG_SYSFS_SYSCALL is not set CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y # CONFIG_COMPAT_BRK is not set @@ -44,7 +45,10 @@ CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_BLK_DEV_INTEGRITY=y CONFIG_BLK_DEV_THROTTLING=y +CONFIG_BLK_WBT=y +CONFIG_BLK_WBT_SQ=y CONFIG_PARTITION_ADVANCED=y CONFIG_IBM_PARTITION=y CONFIG_BSD_DISKLABEL=y @@ -90,6 +94,8 @@ CONFIG_UNIX=y CONFIG_UNIX_DIAG=m CONFIG_XFRM_USER=m CONFIG_NET_KEY=m +CONFIG_SMC=m +CONFIG_SMC_DIAG=m CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_ADVANCED_ROUTER=y @@ -359,6 +365,7 @@ CONFIG_NET_ACT_SIMP=m CONFIG_NET_ACT_SKBEDIT=m CONFIG_NET_ACT_CSUM=m CONFIG_DNS_RESOLVER=y +CONFIG_NETLINK_DIAG=m CONFIG_CGROUP_NET_PRIO=y CONFIG_BPF_JIT=y CONFIG_NET_PKTGEN=m @@ -367,16 +374,19 @@ CONFIG_DEVTMPFS=y CONFIG_DMA_CMA=y CONFIG_CMA_SIZE_MBYTES=0 CONFIG_CONNECTOR=y +CONFIG_ZRAM=m CONFIG_BLK_DEV_LOOP=m CONFIG_BLK_DEV_CRYPTOLOOP=m +CONFIG_BLK_DEV_DRBD=m CONFIG_BLK_DEV_NBD=m CONFIG_BLK_DEV_OSD=m CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=32768 -CONFIG_CDROM_PKTCDVD=m -CONFIG_ATA_OVER_ETH=m +CONFIG_BLK_DEV_RAM_DAX=y CONFIG_VIRTIO_BLK=y +CONFIG_BLK_DEV_RBD=m CONFIG_ENCLOSURE_SERVICES=m +CONFIG_GENWQE=m CONFIG_RAID_ATTRS=m CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y @@ -442,6 +452,8 @@ CONFIG_NLMON=m # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_MLX4_EN=m +CONFIG_MLX5_CORE=m +CONFIG_MLX5_CORE_EN=y # CONFIG_NET_VENDOR_NATSEMI is not set CONFIG_PPP=m CONFIG_PPP_BSDCOMP=m @@ -452,7 +464,6 @@ CONFIG_PPTP=m CONFIG_PPPOL2TP=m CONFIG_PPP_ASYNC=m CONFIG_PPP_SYNC_TTY=m -# CONFIG_INPUT_MOUSEDEV_PSAUX is not set # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set @@ -471,6 +482,7 @@ CONFIG_DIAG288_WATCHDOG=m CONFIG_INFINIBAND=m CONFIG_INFINIBAND_USER_ACCESS=m CONFIG_MLX4_INFINIBAND=m +CONFIG_MLX5_INFINIBAND=m CONFIG_VIRTIO_BALLOON=m CONFIG_EXT4_FS=y CONFIG_EXT4_FS_POSIX_ACL=y @@ -487,12 +499,18 @@ CONFIG_XFS_POSIX_ACL=y CONFIG_XFS_RT=y CONFIG_XFS_DEBUG=y CONFIG_GFS2_FS=m +CONFIG_GFS2_FS_LOCKING_DLM=y CONFIG_OCFS2_FS=m CONFIG_BTRFS_FS=y CONFIG_BTRFS_FS_POSIX_ACL=y +CONFIG_BTRFS_DEBUG=y CONFIG_NILFS2_FS=m +CONFIG_FS_DAX=y +CONFIG_EXPORTFS_BLOCK_OPS=y CONFIG_FANOTIFY=y +CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y CONFIG_QUOTA_NETLINK_INTERFACE=y +CONFIG_QUOTA_DEBUG=y CONFIG_QFMT_V1=m CONFIG_QFMT_V2=m CONFIG_AUTOFS4_FS=m @@ -558,6 +576,7 @@ CONFIG_HEADERS_CHECK=y CONFIG_DEBUG_SECTION_MISMATCH=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_PAGEALLOC=y +CONFIG_DEBUG_RODATA_TEST=y CONFIG_DEBUG_OBJECTS=y CONFIG_DEBUG_OBJECTS_SELFTEST=y CONFIG_DEBUG_OBJECTS_FREE=y @@ -580,7 +599,6 @@ CONFIG_DETECT_HUNG_TASK=y CONFIG_WQ_WATCHDOG=y CONFIG_PANIC_ON_OOPS=y CONFIG_DEBUG_TIMEKEEPING=y -CONFIG_TIMER_STATS=y CONFIG_DEBUG_RT_MUTEXES=y CONFIG_DEBUG_WW_MUTEX_SLOWPATH=y CONFIG_PROVE_LOCKING=y @@ -595,6 +613,7 @@ CONFIG_RCU_TORTURE_TEST=m CONFIG_RCU_CPU_STALL_TIMEOUT=300 CONFIG_NOTIFIER_ERROR_INJECTION=m CONFIG_PM_NOTIFIER_ERROR_INJECT=m +CONFIG_NETDEV_NOTIFIER_ERROR_INJECT=m CONFIG_FAULT_INJECTION=y CONFIG_FAILSLAB=y CONFIG_FAIL_PAGE_ALLOC=y @@ -616,13 +635,12 @@ CONFIG_HIST_TRIGGERS=y CONFIG_TRACE_ENUM_MAP_FILE=y CONFIG_LKDTM=m CONFIG_TEST_LIST_SORT=y +CONFIG_TEST_SORT=y CONFIG_KPROBES_SANITY_TEST=y CONFIG_RBTREE_TEST=y CONFIG_INTERVAL_TREE_TEST=m CONFIG_PERCPU_TEST=m CONFIG_ATOMIC64_SELFTEST=y -CONFIG_TEST_STRING_HELPERS=y -CONFIG_TEST_KSTRTOX=y CONFIG_DMA_API_DEBUG=y CONFIG_TEST_BPF=m CONFIG_BUG_ON_DATA_CORRUPTION=y @@ -630,6 +648,7 @@ CONFIG_S390_PTDUMP=y CONFIG_ENCRYPTED_KEYS=m CONFIG_SECURITY=y CONFIG_SECURITY_NETWORK=y +CONFIG_HARDENED_USERCOPY=y CONFIG_SECURITY_SELINUX=y CONFIG_SECURITY_SELINUX_BOOTPARAM=y CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=0 @@ -640,7 +659,9 @@ CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_DH=m CONFIG_CRYPTO_ECDH=m CONFIG_CRYPTO_USER=m +CONFIG_CRYPTO_PCRYPT=m CONFIG_CRYPTO_CRYPTD=m +CONFIG_CRYPTO_MCRYPTD=m CONFIG_CRYPTO_TEST=m CONFIG_CRYPTO_CCM=m CONFIG_CRYPTO_GCM=m @@ -648,6 +669,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_CRC32=m @@ -657,8 +679,10 @@ CONFIG_CRYPTO_RMD160=m CONFIG_CRYPTO_RMD256=m CONFIG_CRYPTO_RMD320=m CONFIG_CRYPTO_SHA512=m +CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -674,6 +698,7 @@ CONFIG_CRYPTO_TWOFISH=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m CONFIG_CRYPTO_LZ4HC=m +CONFIG_CRYPTO_ANSI_CPRNG=m CONFIG_CRYPTO_USER_API_HASH=m CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m @@ -685,6 +710,7 @@ CONFIG_CRYPTO_SHA256_S390=m CONFIG_CRYPTO_SHA512_S390=m CONFIG_CRYPTO_DES_S390=m CONFIG_CRYPTO_AES_S390=m +CONFIG_CRYPTO_PAES_S390=m CONFIG_CRYPTO_GHASH_S390=m CONFIG_CRYPTO_CRC32_S390=y CONFIG_ASYMMETRIC_KEY_TYPE=y @@ -692,6 +718,7 @@ CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE=m CONFIG_X509_CERTIFICATE_PARSER=m CONFIG_CRC7=m CONFIG_CRC8=m +CONFIG_RANDOM32_SELFTEST=y CONFIG_CORDIC=m CONFIG_CMM=m CONFIG_APPLDATA_BASE=y diff --git a/arch/s390/configs/gcov_defconfig b/arch/s390/configs/gcov_defconfig index 83970b5..3c6b781 100644 --- a/arch/s390/configs/gcov_defconfig +++ b/arch/s390/configs/gcov_defconfig @@ -31,6 +31,7 @@ CONFIG_USER_NS=y CONFIG_SCHED_AUTOGROUP=y CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y +# CONFIG_SYSFS_SYSCALL is not set CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y # CONFIG_COMPAT_BRK is not set @@ -46,7 +47,10 @@ CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_BLK_DEV_INTEGRITY=y CONFIG_BLK_DEV_THROTTLING=y +CONFIG_BLK_WBT=y +CONFIG_BLK_WBT_SQ=y CONFIG_PARTITION_ADVANCED=y CONFIG_IBM_PARTITION=y CONFIG_BSD_DISKLABEL=y @@ -88,6 +92,8 @@ CONFIG_UNIX=y CONFIG_UNIX_DIAG=m CONFIG_XFRM_USER=m CONFIG_NET_KEY=m +CONFIG_SMC=m +CONFIG_SMC_DIAG=m CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_ADVANCED_ROUTER=y @@ -356,6 +362,7 @@ CONFIG_NET_ACT_SIMP=m CONFIG_NET_ACT_SKBEDIT=m CONFIG_NET_ACT_CSUM=m CONFIG_DNS_RESOLVER=y +CONFIG_NETLINK_DIAG=m CONFIG_CGROUP_NET_PRIO=y CONFIG_BPF_JIT=y CONFIG_NET_PKTGEN=m @@ -364,16 +371,18 @@ CONFIG_DEVTMPFS=y CONFIG_DMA_CMA=y CONFIG_CMA_SIZE_MBYTES=0 CONFIG_CONNECTOR=y +CONFIG_ZRAM=m CONFIG_BLK_DEV_LOOP=m CONFIG_BLK_DEV_CRYPTOLOOP=m +CONFIG_BLK_DEV_DRBD=m CONFIG_BLK_DEV_NBD=m CONFIG_BLK_DEV_OSD=m CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=32768 -CONFIG_CDROM_PKTCDVD=m -CONFIG_ATA_OVER_ETH=m +CONFIG_BLK_DEV_RAM_DAX=y CONFIG_VIRTIO_BLK=y CONFIG_ENCLOSURE_SERVICES=m +CONFIG_GENWQE=m CONFIG_RAID_ATTRS=m CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y @@ -439,6 +448,8 @@ CONFIG_NLMON=m # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_MLX4_EN=m +CONFIG_MLX5_CORE=m +CONFIG_MLX5_CORE_EN=y # CONFIG_NET_VENDOR_NATSEMI is not set CONFIG_PPP=m CONFIG_PPP_BSDCOMP=m @@ -449,7 +460,6 @@ CONFIG_PPTP=m CONFIG_PPPOL2TP=m CONFIG_PPP_ASYNC=m CONFIG_PPP_SYNC_TTY=m -# CONFIG_INPUT_MOUSEDEV_PSAUX is not set # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set @@ -468,6 +478,7 @@ CONFIG_DIAG288_WATCHDOG=m CONFIG_INFINIBAND=m CONFIG_INFINIBAND_USER_ACCESS=m CONFIG_MLX4_INFINIBAND=m +CONFIG_MLX5_INFINIBAND=m CONFIG_VIRTIO_BALLOON=m CONFIG_EXT4_FS=y CONFIG_EXT4_FS_POSIX_ACL=y @@ -483,11 +494,15 @@ CONFIG_XFS_QUOTA=y CONFIG_XFS_POSIX_ACL=y CONFIG_XFS_RT=y CONFIG_GFS2_FS=m +CONFIG_GFS2_FS_LOCKING_DLM=y CONFIG_OCFS2_FS=m CONFIG_BTRFS_FS=y CONFIG_BTRFS_FS_POSIX_ACL=y CONFIG_NILFS2_FS=m +CONFIG_FS_DAX=y +CONFIG_EXPORTFS_BLOCK_OPS=y CONFIG_FANOTIFY=y +CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y CONFIG_QUOTA_NETLINK_INTERFACE=y CONFIG_QFMT_V1=m CONFIG_QFMT_V2=m @@ -553,7 +568,6 @@ CONFIG_UNUSED_SYMBOLS=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_MEMORY_INIT=y CONFIG_PANIC_ON_OOPS=y -CONFIG_TIMER_STATS=y CONFIG_RCU_TORTURE_TEST=m CONFIG_RCU_CPU_STALL_TIMEOUT=60 CONFIG_LATENCYTOP=y @@ -576,6 +590,7 @@ CONFIG_BIG_KEYS=y CONFIG_ENCRYPTED_KEYS=m CONFIG_SECURITY=y CONFIG_SECURITY_NETWORK=y +CONFIG_HARDENED_USERCOPY=y CONFIG_SECURITY_SELINUX=y CONFIG_SECURITY_SELINUX_BOOTPARAM=y CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=0 @@ -599,6 +614,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_CRC32=m @@ -611,6 +627,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -626,16 +643,19 @@ CONFIG_CRYPTO_TWOFISH=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m CONFIG_CRYPTO_LZ4HC=m +CONFIG_CRYPTO_ANSI_CPRNG=m CONFIG_CRYPTO_USER_API_HASH=m CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m CONFIG_ZCRYPT=m +CONFIG_PKEY=m CONFIG_CRYPTO_SHA1_S390=m CONFIG_CRYPTO_SHA256_S390=m CONFIG_CRYPTO_SHA512_S390=m CONFIG_CRYPTO_DES_S390=m CONFIG_CRYPTO_AES_S390=m +CONFIG_CRYPTO_PAES_S390=m CONFIG_CRYPTO_GHASH_S390=m CONFIG_CRYPTO_CRC32_S390=y CONFIG_CRC7=m diff --git a/arch/s390/configs/performance_defconfig b/arch/s390/configs/performance_defconfig index fbc6542..653d72b 100644 --- a/arch/s390/configs/performance_defconfig +++ b/arch/s390/configs/performance_defconfig @@ -31,6 +31,7 @@ CONFIG_USER_NS=y CONFIG_SCHED_AUTOGROUP=y CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y +# CONFIG_SYSFS_SYSCALL is not set CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y # CONFIG_COMPAT_BRK is not set @@ -44,7 +45,10 @@ CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_FORCE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y +CONFIG_BLK_DEV_INTEGRITY=y CONFIG_BLK_DEV_THROTTLING=y +CONFIG_BLK_WBT=y +CONFIG_BLK_WBT_SQ=y CONFIG_PARTITION_ADVANCED=y CONFIG_IBM_PARTITION=y CONFIG_BSD_DISKLABEL=y @@ -86,6 +90,8 @@ CONFIG_UNIX=y CONFIG_UNIX_DIAG=m CONFIG_XFRM_USER=m CONFIG_NET_KEY=m +CONFIG_SMC=m +CONFIG_SMC_DIAG=m CONFIG_INET=y CONFIG_IP_MULTICAST=y CONFIG_IP_ADVANCED_ROUTER=y @@ -354,6 +360,7 @@ CONFIG_NET_ACT_SIMP=m CONFIG_NET_ACT_SKBEDIT=m CONFIG_NET_ACT_CSUM=m CONFIG_DNS_RESOLVER=y +CONFIG_NETLINK_DIAG=m CONFIG_CGROUP_NET_PRIO=y CONFIG_BPF_JIT=y CONFIG_NET_PKTGEN=m @@ -362,16 +369,18 @@ CONFIG_DEVTMPFS=y CONFIG_DMA_CMA=y CONFIG_CMA_SIZE_MBYTES=0 CONFIG_CONNECTOR=y +CONFIG_ZRAM=m CONFIG_BLK_DEV_LOOP=m CONFIG_BLK_DEV_CRYPTOLOOP=m +CONFIG_BLK_DEV_DRBD=m CONFIG_BLK_DEV_NBD=m CONFIG_BLK_DEV_OSD=m CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_SIZE=32768 -CONFIG_CDROM_PKTCDVD=m -CONFIG_ATA_OVER_ETH=m +CONFIG_BLK_DEV_RAM_DAX=y CONFIG_VIRTIO_BLK=y CONFIG_ENCLOSURE_SERVICES=m +CONFIG_GENWQE=m CONFIG_RAID_ATTRS=m CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y @@ -437,6 +446,8 @@ CONFIG_NLMON=m # CONFIG_NET_VENDOR_INTEL is not set # CONFIG_NET_VENDOR_MARVELL is not set CONFIG_MLX4_EN=m +CONFIG_MLX5_CORE=m +CONFIG_MLX5_CORE_EN=y # CONFIG_NET_VENDOR_NATSEMI is not set CONFIG_PPP=m CONFIG_PPP_BSDCOMP=m @@ -447,7 +458,6 @@ CONFIG_PPTP=m CONFIG_PPPOL2TP=m CONFIG_PPP_ASYNC=m CONFIG_PPP_SYNC_TTY=m -# CONFIG_INPUT_MOUSEDEV_PSAUX is not set # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set @@ -466,6 +476,7 @@ CONFIG_DIAG288_WATCHDOG=m CONFIG_INFINIBAND=m CONFIG_INFINIBAND_USER_ACCESS=m CONFIG_MLX4_INFINIBAND=m +CONFIG_MLX5_INFINIBAND=m CONFIG_VIRTIO_BALLOON=m CONFIG_EXT4_FS=y CONFIG_EXT4_FS_POSIX_ACL=y @@ -481,11 +492,15 @@ CONFIG_XFS_QUOTA=y CONFIG_XFS_POSIX_ACL=y CONFIG_XFS_RT=y CONFIG_GFS2_FS=m +CONFIG_GFS2_FS_LOCKING_DLM=y CONFIG_OCFS2_FS=m CONFIG_BTRFS_FS=y CONFIG_BTRFS_FS_POSIX_ACL=y CONFIG_NILFS2_FS=m +CONFIG_FS_DAX=y +CONFIG_EXPORTFS_BLOCK_OPS=y CONFIG_FANOTIFY=y +CONFIG_FANOTIFY_ACCESS_PERMISSIONS=y CONFIG_QUOTA_NETLINK_INTERFACE=y CONFIG_QFMT_V1=m CONFIG_QFMT_V2=m @@ -551,7 +566,6 @@ CONFIG_UNUSED_SYMBOLS=y CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_MEMORY_INIT=y CONFIG_PANIC_ON_OOPS=y -CONFIG_TIMER_STATS=y CONFIG_RCU_TORTURE_TEST=m CONFIG_RCU_CPU_STALL_TIMEOUT=60 CONFIG_LATENCYTOP=y @@ -574,6 +588,7 @@ CONFIG_BIG_KEYS=y CONFIG_ENCRYPTED_KEYS=m CONFIG_SECURITY=y CONFIG_SECURITY_NETWORK=y +CONFIG_HARDENED_USERCOPY=y CONFIG_SECURITY_SELINUX=y CONFIG_SECURITY_SELINUX_BOOTPARAM=y CONFIG_SECURITY_SELINUX_BOOTPARAM_VALUE=0 @@ -597,6 +612,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_CRC32=m @@ -609,6 +625,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -624,6 +641,7 @@ CONFIG_CRYPTO_TWOFISH=m CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m CONFIG_CRYPTO_LZ4HC=m +CONFIG_CRYPTO_ANSI_CPRNG=m CONFIG_CRYPTO_USER_API_HASH=m CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m @@ -635,6 +653,7 @@ CONFIG_CRYPTO_SHA256_S390=m CONFIG_CRYPTO_SHA512_S390=m CONFIG_CRYPTO_DES_S390=m CONFIG_CRYPTO_AES_S390=m +CONFIG_CRYPTO_PAES_S390=m CONFIG_CRYPTO_GHASH_S390=m CONFIG_CRYPTO_CRC32_S390=y CONFIG_CRC7=m diff --git a/arch/s390/configs/zfcpdump_defconfig b/arch/s390/configs/zfcpdump_defconfig index e23d97c1..afa46a7 100644 --- a/arch/s390/configs/zfcpdump_defconfig +++ b/arch/s390/configs/zfcpdump_defconfig @@ -12,8 +12,10 @@ CONFIG_TUNE_ZEC12=y CONFIG_NR_CPUS=2 # CONFIG_HOTPLUG_CPU is not set CONFIG_HZ_100=y +# CONFIG_ARCH_RANDOM is not set # CONFIG_COMPACTION is not set # CONFIG_MIGRATION is not set +# CONFIG_BOUNCE is not set # CONFIG_CHECK_STACK is not set # CONFIG_CHSC_SCH is not set # CONFIG_SCM_BUS is not set @@ -36,11 +38,11 @@ CONFIG_SCSI_CONSTANTS=y CONFIG_SCSI_LOGGING=y CONFIG_SCSI_FC_ATTRS=y CONFIG_ZFCP=y -# CONFIG_INPUT_MOUSEDEV_PSAUX is not set # CONFIG_INPUT_KEYBOARD is not set # CONFIG_INPUT_MOUSE is not set # CONFIG_SERIO is not set # CONFIG_HVC_IUCV is not set +# CONFIG_HW_RANDOM_S390 is not set CONFIG_RAW_DRIVER=y # CONFIG_SCLP_ASYNC is not set # CONFIG_HMC_DRV is not set @@ -54,9 +56,9 @@ CONFIG_RAW_DRIVER=y # CONFIG_INOTIFY_USER is not set CONFIG_CONFIGFS_FS=y # CONFIG_MISC_FILESYSTEMS is not set +# CONFIG_NETWORK_FILESYSTEMS is not set CONFIG_PRINTK_TIME=y CONFIG_DEBUG_INFO=y -CONFIG_DEBUG_FS=y CONFIG_DEBUG_KERNEL=y CONFIG_PANIC_ON_OOPS=y # CONFIG_SCHED_DEBUG is not set diff --git a/arch/s390/defconfig b/arch/s390/defconfig index 97189db..20244a3 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -28,6 +28,7 @@ CONFIG_NAMESPACES=y CONFIG_USER_NS=y CONFIG_BLK_DEV_INITRD=y CONFIG_EXPERT=y +# CONFIG_SYSFS_SYSCALL is not set CONFIG_BPF_SYSCALL=y CONFIG_USERFAULTFD=y # CONFIG_COMPAT_BRK is not set @@ -108,7 +109,6 @@ CONFIG_ZFCP=y CONFIG_SCSI_VIRTIO=y CONFIG_MD=y CONFIG_MD_LINEAR=m -CONFIG_MD_RAID0=m CONFIG_MD_MULTIPATH=m CONFIG_BLK_DEV_DM=y CONFIG_DM_CRYPT=m @@ -131,6 +131,7 @@ CONFIG_TUN=m CONFIG_VIRTIO_NET=y # CONFIG_NET_VENDOR_ALACRITECH is not set # CONFIG_NET_VENDOR_SOLARFLARE is not set +# CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_INPUT is not set # CONFIG_SERIO is not set CONFIG_DEVKMEM=y @@ -162,7 +163,6 @@ CONFIG_MAGIC_SYSRQ=y CONFIG_DEBUG_PAGEALLOC=y CONFIG_DETECT_HUNG_TASK=y CONFIG_PANIC_ON_OOPS=y -CONFIG_TIMER_STATS=y CONFIG_DEBUG_RT_MUTEXES=y CONFIG_PROVE_LOCKING=y CONFIG_LOCK_STAT=y @@ -172,14 +172,12 @@ CONFIG_DEBUG_LIST=y CONFIG_DEBUG_SG=y CONFIG_DEBUG_NOTIFIERS=y CONFIG_RCU_CPU_STALL_TIMEOUT=60 -CONFIG_RCU_TRACE=y CONFIG_LATENCYTOP=y CONFIG_SCHED_TRACER=y CONFIG_FTRACE_SYSCALLS=y CONFIG_TRACER_SNAPSHOT_PER_CPU_SWAP=y CONFIG_STACK_TRACER=y CONFIG_BLK_DEV_IO_TRACE=y -CONFIG_UPROBE_EVENTS=y CONFIG_FUNCTION_PROFILER=y CONFIG_TRACE_ENUM_MAP_FILE=y CONFIG_KPROBES_SANITY_TEST=y @@ -190,7 +188,6 @@ CONFIG_CRYPTO_CCM=m CONFIG_CRYPTO_GCM=m CONFIG_CRYPTO_CBC=y CONFIG_CRYPTO_CTS=m -CONFIG_CRYPTO_ECB=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_XTS=m @@ -230,6 +227,7 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_ZCRYPT=m CONFIG_PKEY=m +CONFIG_CRYPTO_PAES_S390=m CONFIG_CRYPTO_SHA1_S390=m CONFIG_CRYPTO_SHA256_S390=m CONFIG_CRYPTO_SHA512_S390=m diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 426614a..65d07ac 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -541,7 +541,6 @@ struct kvm_s390_float_interrupt { struct mutex ais_lock; u8 simm; u8 nimm; - int ais_enabled; }; struct kvm_hw_wp_info_arch { diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 60d395f..aeac013 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -221,11 +221,6 @@ extern void release_thread(struct task_struct *); /* Free guarded storage control block for current */ void exit_thread_gs(void); -/* - * Return saved PC of a blocked thread. - */ -extern unsigned long thread_saved_pc(struct task_struct *t); - unsigned long get_wchan(struct task_struct *p); #define task_pt_regs(tsk) ((struct pt_regs *) \ (task_stack_page(tsk) + THREAD_SIZE) - 1) diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index e408d9c..6315037 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -231,12 +231,17 @@ ENTRY(sie64a) lctlg %c1,%c1,__LC_USER_ASCE # load primary asce .Lsie_done: # some program checks are suppressing. C code (e.g. do_protection_exception) -# will rewind the PSW by the ILC, which is 4 bytes in case of SIE. Other -# instructions between sie64a and .Lsie_done should not cause program -# interrupts. So lets use a nop (47 00 00 00) as a landing pad. +# will rewind the PSW by the ILC, which is often 4 bytes in case of SIE. There +# are some corner cases (e.g. runtime instrumentation) where ILC is unpredictable. +# Other instructions between sie64a and .Lsie_done should not cause program +# interrupts. So lets use 3 nops as a landing pad for all possible rewinds. # See also .Lcleanup_sie -.Lrewind_pad: - nop 0 +.Lrewind_pad6: + nopr 7 +.Lrewind_pad4: + nopr 7 +.Lrewind_pad2: + nopr 7 .globl sie_exit sie_exit: lg %r14,__SF_EMPTY+8(%r15) # load guest register save area @@ -249,7 +254,9 @@ sie_exit: stg %r14,__SF_EMPTY+16(%r15) # set exit reason code j sie_exit - EX_TABLE(.Lrewind_pad,.Lsie_fault) + EX_TABLE(.Lrewind_pad6,.Lsie_fault) + EX_TABLE(.Lrewind_pad4,.Lsie_fault) + EX_TABLE(.Lrewind_pad2,.Lsie_fault) EX_TABLE(sie_exit,.Lsie_fault) EXPORT_SYMBOL(sie64a) EXPORT_SYMBOL(sie_exit) diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index e545ffe..8e622bb5 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -564,8 +564,6 @@ static struct kset *ipl_kset; static void __ipl_run(void *unused) { - if (MACHINE_IS_LPAR && ipl_info.type == IPL_TYPE_CCW) - diag308(DIAG308_LOAD_NORMAL_DUMP, NULL); diag308(DIAG308_LOAD_CLEAR, NULL); if (MACHINE_IS_VM) __cpcmd("IPL", NULL, 0, NULL); @@ -1088,10 +1086,7 @@ static void __reipl_run(void *unused) break; case REIPL_METHOD_CCW_DIAG: diag308(DIAG308_SET, reipl_block_ccw); - if (MACHINE_IS_LPAR) - diag308(DIAG308_LOAD_NORMAL_DUMP, NULL); - else - diag308(DIAG308_LOAD_CLEAR, NULL); + diag308(DIAG308_LOAD_CLEAR, NULL); break; case REIPL_METHOD_FCP_RW_DIAG: diag308(DIAG308_SET, reipl_block_fcp); diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 999d715..bb32b86 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -41,31 +41,6 @@ asmlinkage void ret_from_fork(void) asm ("ret_from_fork"); -/* - * Return saved PC of a blocked thread. used in kernel/sched. - * resume in entry.S does not create a new stack frame, it - * just stores the registers %r6-%r15 to the frame given by - * schedule. We want to return the address of the caller of - * schedule, so we have to walk the backchain one time to - * find the frame schedule() store its return address. - */ -unsigned long thread_saved_pc(struct task_struct *tsk) -{ - struct stack_frame *sf, *low, *high; - - if (!tsk || !task_stack_page(tsk)) - return 0; - low = task_stack_page(tsk); - high = (struct stack_frame *) task_pt_regs(tsk); - sf = (struct stack_frame *) tsk->thread.ksp; - if (sf <= low || sf > high) - return 0; - sf = (struct stack_frame *) sf->back_chain; - if (sf <= low || sf > high) - return 0; - return sf->gprs[8]; -} - extern void kernel_thread_starter(void); /* diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c index 9da243d..3b297fa 100644 --- a/arch/s390/kvm/gaccess.c +++ b/arch/s390/kvm/gaccess.c @@ -977,11 +977,12 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, ptr = asce.origin * 4096; if (asce.r) { *fake = 1; + ptr = 0; asce.dt = ASCE_TYPE_REGION1; } switch (asce.dt) { case ASCE_TYPE_REGION1: - if (vaddr.rfx01 > asce.tl && !asce.r) + if (vaddr.rfx01 > asce.tl && !*fake) return PGM_REGION_FIRST_TRANS; break; case ASCE_TYPE_REGION2: @@ -1009,8 +1010,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, union region1_table_entry rfte; if (*fake) { - /* offset in 16EB guest memory block */ - ptr = ptr + ((unsigned long) vaddr.rsx << 53UL); + ptr += (unsigned long) vaddr.rfx << 53; rfte.val = ptr; goto shadow_r2t; } @@ -1036,8 +1036,7 @@ shadow_r2t: union region2_table_entry rste; if (*fake) { - /* offset in 8PB guest memory block */ - ptr = ptr + ((unsigned long) vaddr.rtx << 42UL); + ptr += (unsigned long) vaddr.rsx << 42; rste.val = ptr; goto shadow_r3t; } @@ -1064,8 +1063,7 @@ shadow_r3t: union region3_table_entry rtte; if (*fake) { - /* offset in 4TB guest memory block */ - ptr = ptr + ((unsigned long) vaddr.sx << 31UL); + ptr += (unsigned long) vaddr.rtx << 31; rtte.val = ptr; goto shadow_sgt; } @@ -1101,8 +1099,7 @@ shadow_sgt: union segment_table_entry ste; if (*fake) { - /* offset in 2G guest memory block */ - ptr = ptr + ((unsigned long) vaddr.sx << 20UL); + ptr += (unsigned long) vaddr.sx << 20; ste.val = ptr; goto shadow_pgt; } diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index caf15c8..2d120fe 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -2160,7 +2160,7 @@ static int modify_ais_mode(struct kvm *kvm, struct kvm_device_attr *attr) struct kvm_s390_ais_req req; int ret = 0; - if (!fi->ais_enabled) + if (!test_kvm_facility(kvm, 72)) return -ENOTSUPP; if (copy_from_user(&req, (void __user *)attr->addr, sizeof(req))) @@ -2204,7 +2204,7 @@ static int kvm_s390_inject_airq(struct kvm *kvm, }; int ret = 0; - if (!fi->ais_enabled || !adapter->suppressible) + if (!test_kvm_facility(kvm, 72) || !adapter->suppressible) return kvm_s390_inject_vm(kvm, &s390int); mutex_lock(&fi->ais_lock); diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 689ac48..f28e2e7 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -558,7 +558,6 @@ static int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap) } else { set_kvm_facility(kvm->arch.model.fac_mask, 72); set_kvm_facility(kvm->arch.model.fac_list, 72); - kvm->arch.float_int.ais_enabled = 1; r = 0; } mutex_unlock(&kvm->lock); @@ -1533,7 +1532,6 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) mutex_init(&kvm->arch.float_int.ais_lock); kvm->arch.float_int.simm = 0; kvm->arch.float_int.nimm = 0; - kvm->arch.float_int.ais_enabled = 0; spin_lock_init(&kvm->arch.float_int.lock); for (i = 0; i < FIRQ_LIST_COUNT; i++) INIT_LIST_HEAD(&kvm->arch.float_int.lists[i]); diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c index b017dae..b854b1d 100644 --- a/arch/s390/mm/mmap.c +++ b/arch/s390/mm/mmap.c @@ -101,7 +101,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && addr >= mmap_min_addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) goto check_asce_limit; } @@ -151,7 +151,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && addr >= mmap_min_addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) goto check_asce_limit; } diff --git a/arch/score/include/asm/processor.h b/arch/score/include/asm/processor.h index d9a922d..2992745 100644 --- a/arch/score/include/asm/processor.h +++ b/arch/score/include/asm/processor.h @@ -13,7 +13,6 @@ struct task_struct; */ extern void (*cpu_wait)(void); -extern unsigned long thread_saved_pc(struct task_struct *tsk); extern void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long sp); extern unsigned long get_wchan(struct task_struct *p); diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c index eb64d7a..6e20241 100644 --- a/arch/score/kernel/process.c +++ b/arch/score/kernel/process.c @@ -101,11 +101,6 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *r) return 1; } -unsigned long thread_saved_pc(struct task_struct *tsk) -{ - return task_pt_regs(tsk)->cp0_epc; -} - unsigned long get_wchan(struct task_struct *task) { if (!task || task == current || task->state == TASK_RUNNING) diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c index 08e7af0..6a1a129 100644 --- a/arch/sh/mm/mmap.c +++ b/arch/sh/mm/mmap.c @@ -64,7 +64,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } @@ -114,7 +114,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 58243b0..5639c9f 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -192,9 +192,9 @@ config NR_CPUS int "Maximum number of CPUs" depends on SMP range 2 32 if SPARC32 - range 2 1024 if SPARC64 + range 2 4096 if SPARC64 default 32 if SPARC32 - default 64 if SPARC64 + default 4096 if SPARC64 source kernel/Kconfig.hz @@ -295,9 +295,13 @@ config NUMA depends on SPARC64 && SMP config NODES_SHIFT - int - default "4" + int "Maximum NUMA Nodes (as a power of 2)" + range 4 5 if SPARC64 + default "5" depends on NEED_MULTIPLE_NODES + help + Specify the maximum number of NUMA Nodes available on the target + system. Increases memory reserved to accommodate various tables. # Some NUMA nodes have memory ranges that span # other nodes. Even though a pfn is valid and @@ -573,9 +577,6 @@ config SYSVIPC_COMPAT depends on COMPAT && SYSVIPC default y -config KEYS_COMPAT - def_bool y if COMPAT && KEYS - endmenu source "net/Kconfig" diff --git a/arch/sparc/include/asm/mmu_64.h b/arch/sparc/include/asm/mmu_64.h index f7de0db..83b36a5 100644 --- a/arch/sparc/include/asm/mmu_64.h +++ b/arch/sparc/include/asm/mmu_64.h @@ -52,7 +52,7 @@ #define CTX_NR_MASK TAG_CONTEXT_BITS #define CTX_HW_MASK (CTX_NR_MASK | CTX_PGSZ_MASK) -#define CTX_FIRST_VERSION ((_AC(1,UL) << CTX_VERSION_SHIFT) + _AC(1,UL)) +#define CTX_FIRST_VERSION BIT(CTX_VERSION_SHIFT) #define CTX_VALID(__ctx) \ (!(((__ctx.sparc64_ctx_val) ^ tlb_context_cache) & CTX_VERSION_MASK)) #define CTX_HWBITS(__ctx) ((__ctx.sparc64_ctx_val) & CTX_HW_MASK) diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h index 22fede6..2cddcda 100644 --- a/arch/sparc/include/asm/mmu_context_64.h +++ b/arch/sparc/include/asm/mmu_context_64.h @@ -19,13 +19,8 @@ extern spinlock_t ctx_alloc_lock; extern unsigned long tlb_context_cache; extern unsigned long mmu_context_bmap[]; +DECLARE_PER_CPU(struct mm_struct *, per_cpu_secondary_mm); void get_new_mmu_context(struct mm_struct *mm); -#ifdef CONFIG_SMP -void smp_new_mmu_context_version(void); -#else -#define smp_new_mmu_context_version() do { } while (0) -#endif - int init_new_context(struct task_struct *tsk, struct mm_struct *mm); void destroy_context(struct mm_struct *mm); @@ -76,8 +71,9 @@ void __flush_tlb_mm(unsigned long, unsigned long); static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, struct task_struct *tsk) { unsigned long ctx_valid, flags; - int cpu; + int cpu = smp_processor_id(); + per_cpu(per_cpu_secondary_mm, cpu) = mm; if (unlikely(mm == &init_mm)) return; @@ -123,7 +119,6 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str * for the first time, we must flush that context out of the * local TLB. */ - cpu = smp_processor_id(); if (!ctx_valid || !cpumask_test_cpu(cpu, mm_cpumask(mm))) { cpumask_set_cpu(cpu, mm_cpumask(mm)); __flush_tlb_mm(CTX_HWBITS(mm->context), @@ -133,26 +128,7 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str } #define deactivate_mm(tsk,mm) do { } while (0) - -/* Activate a new MM instance for the current task. */ -static inline void activate_mm(struct mm_struct *active_mm, struct mm_struct *mm) -{ - unsigned long flags; - int cpu; - - spin_lock_irqsave(&mm->context.lock, flags); - if (!CTX_VALID(mm->context)) - get_new_mmu_context(mm); - cpu = smp_processor_id(); - if (!cpumask_test_cpu(cpu, mm_cpumask(mm))) - cpumask_set_cpu(cpu, mm_cpumask(mm)); - - load_secondary_context(mm); - __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT); - tsb_context_switch(mm); - spin_unlock_irqrestore(&mm->context.lock, flags); -} - +#define activate_mm(active_mm, mm) switch_mm(active_mm, mm, NULL) #endif /* !(__ASSEMBLY__) */ #endif /* !(__SPARC64_MMU_CONTEXT_H) */ diff --git a/arch/sparc/include/asm/pil.h b/arch/sparc/include/asm/pil.h index 26693703..522b43d 100644 --- a/arch/sparc/include/asm/pil.h +++ b/arch/sparc/include/asm/pil.h @@ -20,7 +20,6 @@ #define PIL_SMP_CALL_FUNC 1 #define PIL_SMP_RECEIVE_SIGNAL 2 #define PIL_SMP_CAPTURE 3 -#define PIL_SMP_CTX_NEW_VERSION 4 #define PIL_DEVICE_IRQ 5 #define PIL_SMP_CALL_FUNC_SNGL 6 #define PIL_DEFERRED_PCR_WORK 7 diff --git a/arch/sparc/include/asm/processor_32.h b/arch/sparc/include/asm/processor_32.h index dd27159..b395e56 100644 --- a/arch/sparc/include/asm/processor_32.h +++ b/arch/sparc/include/asm/processor_32.h @@ -67,9 +67,6 @@ struct thread_struct { .current_ds = KERNEL_DS, \ } -/* Return saved PC of a blocked thread. */ -unsigned long thread_saved_pc(struct task_struct *t); - /* Do necessary setup to start up a newly executed thread. */ static inline void start_thread(struct pt_regs * regs, unsigned long pc, unsigned long sp) diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h index b58ee90..f04dc5a 100644 --- a/arch/sparc/include/asm/processor_64.h +++ b/arch/sparc/include/asm/processor_64.h @@ -89,9 +89,7 @@ struct thread_struct { #include <linux/types.h> #include <asm/fpumacro.h> -/* Return saved PC of a blocked thread. */ struct task_struct; -unsigned long thread_saved_pc(struct task_struct *); /* On Uniprocessor, even in RMO processes see TSO semantics */ #ifdef CONFIG_SMP diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h index 8174f6c..9dca7a8 100644 --- a/arch/sparc/include/asm/vio.h +++ b/arch/sparc/include/asm/vio.h @@ -327,6 +327,7 @@ struct vio_dev { int compat_len; u64 dev_no; + u64 id; unsigned long channel_id; diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c index b542cc7..f87265a 100644 --- a/arch/sparc/kernel/ds.c +++ b/arch/sparc/kernel/ds.c @@ -909,7 +909,7 @@ static int register_services(struct ds_info *dp) pbuf.req.handle = cp->handle; pbuf.req.major = 1; pbuf.req.minor = 0; - strcpy(pbuf.req.svc_id, cp->service_id); + strcpy(pbuf.id_buf, cp->service_id); err = __ds_send(lp, &pbuf, msg_len); if (err > 0) diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c index 4d0248a..99dd133 100644 --- a/arch/sparc/kernel/irq_64.c +++ b/arch/sparc/kernel/irq_64.c @@ -1034,17 +1034,26 @@ static void __init init_cpu_send_mondo_info(struct trap_per_cpu *tb) { #ifdef CONFIG_SMP unsigned long page; + void *mondo, *p; - BUILD_BUG_ON((NR_CPUS * sizeof(u16)) > (PAGE_SIZE - 64)); + BUILD_BUG_ON((NR_CPUS * sizeof(u16)) > PAGE_SIZE); + + /* Make sure mondo block is 64byte aligned */ + p = kzalloc(127, GFP_KERNEL); + if (!p) { + prom_printf("SUN4V: Error, cannot allocate mondo block.\n"); + prom_halt(); + } + mondo = (void *)(((unsigned long)p + 63) & ~0x3f); + tb->cpu_mondo_block_pa = __pa(mondo); page = get_zeroed_page(GFP_KERNEL); if (!page) { - prom_printf("SUN4V: Error, cannot allocate cpu mondo page.\n"); + prom_printf("SUN4V: Error, cannot allocate cpu list page.\n"); prom_halt(); } - tb->cpu_mondo_block_pa = __pa(page); - tb->cpu_list_pa = __pa(page + 64); + tb->cpu_list_pa = __pa(page); #endif } diff --git a/arch/sparc/kernel/kernel.h b/arch/sparc/kernel/kernel.h index c9804551..6ae1e77 100644 --- a/arch/sparc/kernel/kernel.h +++ b/arch/sparc/kernel/kernel.h @@ -37,7 +37,6 @@ void handle_stdfmna(struct pt_regs *regs, unsigned long sfar, unsigned long sfsr /* smp_64.c */ void __irq_entry smp_call_function_client(int irq, struct pt_regs *regs); void __irq_entry smp_call_function_single_client(int irq, struct pt_regs *regs); -void __irq_entry smp_new_mmu_context_version_client(int irq, struct pt_regs *regs); void __irq_entry smp_penguin_jailcell(int irq, struct pt_regs *regs); void __irq_entry smp_receive_signal_client(int irq, struct pt_regs *regs); diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c index b6dac8e..9245f93 100644 --- a/arch/sparc/kernel/process_32.c +++ b/arch/sparc/kernel/process_32.c @@ -177,14 +177,6 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) } /* - * Note: sparc64 has a pretty intricated thread_saved_pc, check it out. - */ -unsigned long thread_saved_pc(struct task_struct *tsk) -{ - return task_thread_info(tsk)->kpc; -} - -/* * Free current thread data structures etc.. */ void exit_thread(struct task_struct *tsk) diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index 1badc49..b96104d 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -400,25 +400,6 @@ core_initcall(sparc_sysrq_init); #endif -unsigned long thread_saved_pc(struct task_struct *tsk) -{ - struct thread_info *ti = task_thread_info(tsk); - unsigned long ret = 0xdeadbeefUL; - - if (ti && ti->ksp) { - unsigned long *sp; - sp = (unsigned long *)(ti->ksp + STACK_BIAS); - if (((unsigned long)sp & (sizeof(long) - 1)) == 0UL && - sp[14]) { - unsigned long *fp; - fp = (unsigned long *)(sp[14] + STACK_BIAS); - if (((unsigned long)fp & (sizeof(long) - 1)) == 0UL) - ret = fp[15]; - } - } - return ret; -} - /* Free current thread data structures etc.. */ void exit_thread(struct task_struct *tsk) { diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index b3bc0ac..fdf3104 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -964,37 +964,6 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page) preempt_enable(); } -void __irq_entry smp_new_mmu_context_version_client(int irq, struct pt_regs *regs) -{ - struct mm_struct *mm; - unsigned long flags; - - clear_softint(1 << irq); - - /* See if we need to allocate a new TLB context because - * the version of the one we are using is now out of date. - */ - mm = current->active_mm; - if (unlikely(!mm || (mm == &init_mm))) - return; - - spin_lock_irqsave(&mm->context.lock, flags); - - if (unlikely(!CTX_VALID(mm->context))) - get_new_mmu_context(mm); - - spin_unlock_irqrestore(&mm->context.lock, flags); - - load_secondary_context(mm); - __flush_tlb_mm(CTX_HWBITS(mm->context), - SECONDARY_CONTEXT); -} - -void smp_new_mmu_context_version(void) -{ - smp_cross_call(&xcall_new_mmu_context_version, 0, 0, 0); -} - #ifdef CONFIG_KGDB void kgdb_roundup_cpus(unsigned long flags) { diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index ef4520e..043544d 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -120,7 +120,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi vma = find_vma(mm, addr); if (task_size - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } @@ -183,7 +183,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, vma = find_vma(mm, addr); if (task_size - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/sparc/kernel/tsb.S b/arch/sparc/kernel/tsb.S index 10689cf..07c0df9 100644 --- a/arch/sparc/kernel/tsb.S +++ b/arch/sparc/kernel/tsb.S @@ -455,13 +455,16 @@ __tsb_context_switch: .type copy_tsb,#function copy_tsb: /* %o0=old_tsb_base, %o1=old_tsb_size * %o2=new_tsb_base, %o3=new_tsb_size + * %o4=page_size_shift */ sethi %uhi(TSB_PASS_BITS), %g7 srlx %o3, 4, %o3 - add %o0, %o1, %g1 /* end of old tsb */ + add %o0, %o1, %o1 /* end of old tsb */ sllx %g7, 32, %g7 sub %o3, 1, %o3 /* %o3 == new tsb hash mask */ + mov %o4, %g1 /* page_size_shift */ + 661: prefetcha [%o0] ASI_N, #one_read .section .tsb_phys_patch, "ax" .word 661b @@ -486,9 +489,9 @@ copy_tsb: /* %o0=old_tsb_base, %o1=old_tsb_size /* This can definitely be computed faster... */ srlx %o0, 4, %o5 /* Build index */ and %o5, 511, %o5 /* Mask index */ - sllx %o5, PAGE_SHIFT, %o5 /* Put into vaddr position */ + sllx %o5, %g1, %o5 /* Put into vaddr position */ or %o4, %o5, %o4 /* Full VADDR. */ - srlx %o4, PAGE_SHIFT, %o4 /* Shift down to create index */ + srlx %o4, %g1, %o4 /* Shift down to create index */ and %o4, %o3, %o4 /* Mask with new_tsb_nents-1 */ sllx %o4, 4, %o4 /* Shift back up into tsb ent offset */ TSB_STORE(%o2 + %o4, %g2) /* Store TAG */ @@ -496,7 +499,7 @@ copy_tsb: /* %o0=old_tsb_base, %o1=old_tsb_size TSB_STORE(%o2 + %o4, %g3) /* Store TTE */ 80: add %o0, 16, %o0 - cmp %o0, %g1 + cmp %o0, %o1 bne,pt %xcc, 90b nop diff --git a/arch/sparc/kernel/ttable_64.S b/arch/sparc/kernel/ttable_64.S index 7bd8f65..efe93ab 100644 --- a/arch/sparc/kernel/ttable_64.S +++ b/arch/sparc/kernel/ttable_64.S @@ -50,7 +50,7 @@ tl0_resv03e: BTRAP(0x3e) BTRAP(0x3f) BTRAP(0x40) tl0_irq1: TRAP_IRQ(smp_call_function_client, 1) tl0_irq2: TRAP_IRQ(smp_receive_signal_client, 2) tl0_irq3: TRAP_IRQ(smp_penguin_jailcell, 3) -tl0_irq4: TRAP_IRQ(smp_new_mmu_context_version_client, 4) +tl0_irq4: BTRAP(0x44) #else tl0_irq1: BTRAP(0x41) tl0_irq2: BTRAP(0x42) diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c index f6bb857..075d389 100644 --- a/arch/sparc/kernel/vio.c +++ b/arch/sparc/kernel/vio.c @@ -302,13 +302,16 @@ static struct vio_dev *vio_create_one(struct mdesc_handle *hp, u64 mp, if (!id) { dev_set_name(&vdev->dev, "%s", bus_id_name); vdev->dev_no = ~(u64)0; + vdev->id = ~(u64)0; } else if (!cfg_handle) { dev_set_name(&vdev->dev, "%s-%llu", bus_id_name, *id); vdev->dev_no = *id; + vdev->id = ~(u64)0; } else { dev_set_name(&vdev->dev, "%s-%llu-%llu", bus_id_name, *cfg_handle, *id); vdev->dev_no = *cfg_handle; + vdev->id = *id; } vdev->dev.parent = parent; @@ -351,27 +354,84 @@ static void vio_add(struct mdesc_handle *hp, u64 node) (void) vio_create_one(hp, node, &root_vdev->dev); } +struct vio_md_node_query { + const char *type; + u64 dev_no; + u64 id; +}; + static int vio_md_node_match(struct device *dev, void *arg) { + struct vio_md_node_query *query = (struct vio_md_node_query *) arg; struct vio_dev *vdev = to_vio_dev(dev); - if (vdev->mp == (u64) arg) - return 1; + if (vdev->dev_no != query->dev_no) + return 0; + if (vdev->id != query->id) + return 0; + if (strcmp(vdev->type, query->type)) + return 0; - return 0; + return 1; } static void vio_remove(struct mdesc_handle *hp, u64 node) { + const char *type; + const u64 *id, *cfg_handle; + u64 a; + struct vio_md_node_query query; struct device *dev; - dev = device_find_child(&root_vdev->dev, (void *) node, + type = mdesc_get_property(hp, node, "device-type", NULL); + if (!type) { + type = mdesc_get_property(hp, node, "name", NULL); + if (!type) + type = mdesc_node_name(hp, node); + } + + query.type = type; + + id = mdesc_get_property(hp, node, "id", NULL); + cfg_handle = NULL; + mdesc_for_each_arc(a, hp, node, MDESC_ARC_TYPE_BACK) { + u64 target; + + target = mdesc_arc_target(hp, a); + cfg_handle = mdesc_get_property(hp, target, + "cfg-handle", NULL); + if (cfg_handle) + break; + } + + if (!id) { + query.dev_no = ~(u64)0; + query.id = ~(u64)0; + } else if (!cfg_handle) { + query.dev_no = *id; + query.id = ~(u64)0; + } else { + query.dev_no = *cfg_handle; + query.id = *id; + } + + dev = device_find_child(&root_vdev->dev, &query, vio_md_node_match); if (dev) { printk(KERN_INFO "VIO: Removing device %s\n", dev_name(dev)); device_unregister(dev); put_device(dev); + } else { + if (!id) + printk(KERN_ERR "VIO: Removed unknown %s node.\n", + type); + else if (!cfg_handle) + printk(KERN_ERR "VIO: Removed unknown %s node %llu.\n", + type, *id); + else + printk(KERN_ERR "VIO: Removed unknown %s node %llu-%llu.\n", + type, *cfg_handle, *id); } } diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile index 69912d2..07c03e7 100644 --- a/arch/sparc/lib/Makefile +++ b/arch/sparc/lib/Makefile @@ -15,6 +15,7 @@ lib-$(CONFIG_SPARC32) += copy_user.o locks.o lib-$(CONFIG_SPARC64) += atomic_64.o lib-$(CONFIG_SPARC32) += lshrdi3.o ashldi3.o lib-$(CONFIG_SPARC32) += muldi3.o bitext.o cmpdi2.o +lib-$(CONFIG_SPARC64) += multi3.o lib-$(CONFIG_SPARC64) += copy_page.o clear_page.o bzero.o lib-$(CONFIG_SPARC64) += csum_copy.o csum_copy_from_user.o csum_copy_to_user.o diff --git a/arch/sparc/lib/multi3.S b/arch/sparc/lib/multi3.S new file mode 100644 index 0000000..d6b6c97 --- /dev/null +++ b/arch/sparc/lib/multi3.S @@ -0,0 +1,35 @@ +#include <linux/linkage.h> +#include <asm/export.h> + + .text + .align 4 +ENTRY(__multi3) /* %o0 = u, %o1 = v */ + mov %o1, %g1 + srl %o3, 0, %g4 + mulx %g4, %g1, %o1 + srlx %g1, 0x20, %g3 + mulx %g3, %g4, %g5 + sllx %g5, 0x20, %o5 + srl %g1, 0, %g4 + sub %o1, %o5, %o5 + srlx %o5, 0x20, %o5 + addcc %g5, %o5, %g5 + srlx %o3, 0x20, %o5 + mulx %g4, %o5, %g4 + mulx %g3, %o5, %o5 + sethi %hi(0x80000000), %g3 + addcc %g5, %g4, %g5 + srlx %g5, 0x20, %g5 + add %g3, %g3, %g3 + movcc %xcc, %g0, %g3 + addcc %o5, %g5, %o5 + sllx %g4, 0x20, %g4 + add %o1, %g4, %o1 + add %o5, %g3, %g2 + mulx %g1, %o2, %g1 + add %g1, %g2, %g1 + mulx %o0, %o3, %o0 + retl + add %g1, %o0, %o0 +ENDPROC(__multi3) +EXPORT_SYMBOL(__multi3) diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index 7c29d38..88855e3 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -120,7 +120,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, addr = ALIGN(addr, huge_page_size(h)); vma = find_vma(mm, addr); if (task_size - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } if (mm->get_unmapped_area == arch_get_unmapped_area) diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 0cda653..3c40ebd 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -358,7 +358,8 @@ static int __init setup_hugepagesz(char *string) } if ((hv_pgsz_mask & cpu_pgsz_mask) == 0U) { - pr_warn("hugepagesz=%llu not supported by MMU.\n", + hugetlb_bad_size(); + pr_err("hugepagesz=%llu not supported by MMU.\n", hugepage_size); goto out; } @@ -706,10 +707,58 @@ EXPORT_SYMBOL(__flush_dcache_range); /* get_new_mmu_context() uses "cache + 1". */ DEFINE_SPINLOCK(ctx_alloc_lock); -unsigned long tlb_context_cache = CTX_FIRST_VERSION - 1; +unsigned long tlb_context_cache = CTX_FIRST_VERSION; #define MAX_CTX_NR (1UL << CTX_NR_BITS) #define CTX_BMAP_SLOTS BITS_TO_LONGS(MAX_CTX_NR) DECLARE_BITMAP(mmu_context_bmap, MAX_CTX_NR); +DEFINE_PER_CPU(struct mm_struct *, per_cpu_secondary_mm) = {0}; + +static void mmu_context_wrap(void) +{ + unsigned long old_ver = tlb_context_cache & CTX_VERSION_MASK; + unsigned long new_ver, new_ctx, old_ctx; + struct mm_struct *mm; + int cpu; + + bitmap_zero(mmu_context_bmap, 1 << CTX_NR_BITS); + + /* Reserve kernel context */ + set_bit(0, mmu_context_bmap); + + new_ver = (tlb_context_cache & CTX_VERSION_MASK) + CTX_FIRST_VERSION; + if (unlikely(new_ver == 0)) + new_ver = CTX_FIRST_VERSION; + tlb_context_cache = new_ver; + + /* + * Make sure that any new mm that are added into per_cpu_secondary_mm, + * are going to go through get_new_mmu_context() path. + */ + mb(); + + /* + * Updated versions to current on those CPUs that had valid secondary + * contexts + */ + for_each_online_cpu(cpu) { + /* + * If a new mm is stored after we took this mm from the array, + * it will go into get_new_mmu_context() path, because we + * already bumped the version in tlb_context_cache. + */ + mm = per_cpu(per_cpu_secondary_mm, cpu); + + if (unlikely(!mm || mm == &init_mm)) + continue; + + old_ctx = mm->context.sparc64_ctx_val; + if (likely((old_ctx & CTX_VERSION_MASK) == old_ver)) { + new_ctx = (old_ctx & ~CTX_VERSION_MASK) | new_ver; + set_bit(new_ctx & CTX_NR_MASK, mmu_context_bmap); + mm->context.sparc64_ctx_val = new_ctx; + } + } +} /* Caller does TLB context flushing on local CPU if necessary. * The caller also ensures that CTX_VALID(mm->context) is false. @@ -725,48 +774,30 @@ void get_new_mmu_context(struct mm_struct *mm) { unsigned long ctx, new_ctx; unsigned long orig_pgsz_bits; - int new_version; spin_lock(&ctx_alloc_lock); +retry: + /* wrap might have happened, test again if our context became valid */ + if (unlikely(CTX_VALID(mm->context))) + goto out; orig_pgsz_bits = (mm->context.sparc64_ctx_val & CTX_PGSZ_MASK); ctx = (tlb_context_cache + 1) & CTX_NR_MASK; new_ctx = find_next_zero_bit(mmu_context_bmap, 1 << CTX_NR_BITS, ctx); - new_version = 0; if (new_ctx >= (1 << CTX_NR_BITS)) { new_ctx = find_next_zero_bit(mmu_context_bmap, ctx, 1); if (new_ctx >= ctx) { - int i; - new_ctx = (tlb_context_cache & CTX_VERSION_MASK) + - CTX_FIRST_VERSION; - if (new_ctx == 1) - new_ctx = CTX_FIRST_VERSION; - - /* Don't call memset, for 16 entries that's just - * plain silly... - */ - mmu_context_bmap[0] = 3; - mmu_context_bmap[1] = 0; - mmu_context_bmap[2] = 0; - mmu_context_bmap[3] = 0; - for (i = 4; i < CTX_BMAP_SLOTS; i += 4) { - mmu_context_bmap[i + 0] = 0; - mmu_context_bmap[i + 1] = 0; - mmu_context_bmap[i + 2] = 0; - mmu_context_bmap[i + 3] = 0; - } - new_version = 1; - goto out; + mmu_context_wrap(); + goto retry; } } + if (mm->context.sparc64_ctx_val) + cpumask_clear(mm_cpumask(mm)); mmu_context_bmap[new_ctx>>6] |= (1UL << (new_ctx & 63)); new_ctx |= (tlb_context_cache & CTX_VERSION_MASK); -out: tlb_context_cache = new_ctx; mm->context.sparc64_ctx_val = new_ctx | orig_pgsz_bits; +out: spin_unlock(&ctx_alloc_lock); - - if (unlikely(new_version)) - smp_new_mmu_context_version(); } static int numa_enabled = 1; diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c index bedf08b..0d4b998 100644 --- a/arch/sparc/mm/tsb.c +++ b/arch/sparc/mm/tsb.c @@ -496,7 +496,8 @@ retry_tsb_alloc: extern void copy_tsb(unsigned long old_tsb_base, unsigned long old_tsb_size, unsigned long new_tsb_base, - unsigned long new_tsb_size); + unsigned long new_tsb_size, + unsigned long page_size_shift); unsigned long old_tsb_base = (unsigned long) old_tsb; unsigned long new_tsb_base = (unsigned long) new_tsb; @@ -504,7 +505,9 @@ retry_tsb_alloc: old_tsb_base = __pa(old_tsb_base); new_tsb_base = __pa(new_tsb_base); } - copy_tsb(old_tsb_base, old_size, new_tsb_base, new_size); + copy_tsb(old_tsb_base, old_size, new_tsb_base, new_size, + tsb_index == MM_TSB_BASE ? + PAGE_SHIFT : REAL_HPAGE_SHIFT); } mm->context.tsb_block[tsb_index].tsb = new_tsb; diff --git a/arch/sparc/mm/ultra.S b/arch/sparc/mm/ultra.S index 5d2fd6c..fcf4d27 100644 --- a/arch/sparc/mm/ultra.S +++ b/arch/sparc/mm/ultra.S @@ -971,11 +971,6 @@ xcall_capture: wr %g0, (1 << PIL_SMP_CAPTURE), %set_softint retry - .globl xcall_new_mmu_context_version -xcall_new_mmu_context_version: - wr %g0, (1 << PIL_SMP_CTX_NEW_VERSION), %set_softint - retry - #ifdef CONFIG_KGDB .globl xcall_kgdb_capture xcall_kgdb_capture: diff --git a/arch/tile/include/asm/processor.h b/arch/tile/include/asm/processor.h index 0bc9968..f71e520 100644 --- a/arch/tile/include/asm/processor.h +++ b/arch/tile/include/asm/processor.h @@ -214,13 +214,6 @@ static inline void release_thread(struct task_struct *dead_task) extern void prepare_exit_to_usermode(struct pt_regs *regs, u32 flags); - -/* - * Return saved (kernel) PC of a blocked thread. - * Only used in a printk() in kernel/sched/core.c, so don't work too hard. - */ -#define thread_saved_pc(t) ((t)->thread.pc) - unsigned long get_wchan(struct task_struct *p); /* Return initial ksp value for given task. */ diff --git a/arch/tile/mm/hugetlbpage.c b/arch/tile/mm/hugetlbpage.c index cb10153..03e5cc4 100644 --- a/arch/tile/mm/hugetlbpage.c +++ b/arch/tile/mm/hugetlbpage.c @@ -233,7 +233,7 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, addr = ALIGN(addr, huge_page_size(h)); vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } if (current->mm->get_unmapped_area == arch_get_unmapped_area) diff --git a/arch/um/include/asm/processor-generic.h b/arch/um/include/asm/processor-generic.h index 2d1e0dd..f6d1a3f 100644 --- a/arch/um/include/asm/processor-generic.h +++ b/arch/um/include/asm/processor-generic.h @@ -58,8 +58,6 @@ static inline void release_thread(struct task_struct *task) { } -extern unsigned long thread_saved_pc(struct task_struct *t); - static inline void mm_copy_segments(struct mm_struct *from_mm, struct mm_struct *new_mm) { diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c index 64a1fd0..7b56401 100644 --- a/arch/um/kernel/um_arch.c +++ b/arch/um/kernel/um_arch.c @@ -56,12 +56,6 @@ union thread_union cpu0_irqstack __attribute__((__section__(".data..init_irqstack"))) = { INIT_THREAD_INFO(init_task) }; -unsigned long thread_saved_pc(struct task_struct *task) -{ - /* FIXME: Need to look up userspace_pid by cpu */ - return os_process_pc(userspace_pid[0]); -} - /* Changed in setup_arch, which is called in early boot */ static char host_info[(__NEW_UTS_LEN + 1) * 5]; diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 4ccfacc..0efb4c9 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -2776,10 +2776,6 @@ config COMPAT_FOR_U64_ALIGNMENT config SYSVIPC_COMPAT def_bool y depends on SYSVIPC - -config KEYS_COMPAT - def_bool y - depends on KEYS endif endmenu diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c index 54c24f0..56a7e92 100644 --- a/arch/x86/boot/compressed/kaslr.c +++ b/arch/x86/boot/compressed/kaslr.c @@ -564,9 +564,6 @@ void choose_random_location(unsigned long input, { unsigned long random_addr, min_addr; - /* By default, keep output position unchanged. */ - *virt_addr = *output; - if (cmdline_find_option_bool("nokaslr")) { warn("KASLR disabled: 'nokaslr' on cmdline."); return; diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c index b3c5a5f0..00241c8 100644 --- a/arch/x86/boot/compressed/misc.c +++ b/arch/x86/boot/compressed/misc.c @@ -338,7 +338,7 @@ asmlinkage __visible void *extract_kernel(void *rmode, memptr heap, unsigned long output_len) { const unsigned long kernel_total_size = VO__end - VO__text; - unsigned long virt_addr = (unsigned long)output; + unsigned long virt_addr = LOAD_PHYSICAL_ADDR; /* Retain x86 boot parameters pointer passed from startup_32/64. */ boot_params = rmode; @@ -390,6 +390,8 @@ asmlinkage __visible void *extract_kernel(void *rmode, memptr heap, #ifdef CONFIG_X86_64 if (heap > 0x3fffffffffffUL) error("Destination address too large"); + if (virt_addr + max(output_len, kernel_total_size) > KERNEL_IMAGE_SIZE) + error("Destination virtual address is beyond the kernel mapping area"); #else if (heap > ((-__PAGE_OFFSET-(128<<20)-1) & 0x7fffffff)) error("Destination address too large"); @@ -397,7 +399,7 @@ asmlinkage __visible void *extract_kernel(void *rmode, memptr heap, #ifndef CONFIG_RELOCATABLE if ((unsigned long)output != LOAD_PHYSICAL_ADDR) error("Destination address does not match LOAD_PHYSICAL_ADDR"); - if ((unsigned long)output != virt_addr) + if (virt_addr != LOAD_PHYSICAL_ADDR) error("Destination virtual address changed when not relocatable"); #endif diff --git a/arch/x86/boot/compressed/misc.h b/arch/x86/boot/compressed/misc.h index 1c8355e..766a521 100644 --- a/arch/x86/boot/compressed/misc.h +++ b/arch/x86/boot/compressed/misc.h @@ -81,8 +81,6 @@ static inline void choose_random_location(unsigned long input, unsigned long output_size, unsigned long *virt_addr) { - /* No change from existing output location. */ - *virt_addr = *output; } #endif diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index a6d91d4..110ce82 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -431,11 +431,11 @@ static __initconst const u64 skl_hw_cache_event_ids [ C(DTLB) ] = { [ C(OP_READ) ] = { [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_INST_RETIRED.ALL_LOADS */ - [ C(RESULT_MISS) ] = 0x608, /* DTLB_LOAD_MISSES.WALK_COMPLETED */ + [ C(RESULT_MISS) ] = 0xe08, /* DTLB_LOAD_MISSES.WALK_COMPLETED */ }, [ C(OP_WRITE) ] = { [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_INST_RETIRED.ALL_STORES */ - [ C(RESULT_MISS) ] = 0x649, /* DTLB_STORE_MISSES.WALK_COMPLETED */ + [ C(RESULT_MISS) ] = 0xe49, /* DTLB_STORE_MISSES.WALK_COMPLETED */ }, [ C(OP_PREFETCH) ] = { [ C(RESULT_ACCESS) ] = 0x0, diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c index 758c1aa..44ec523 100644 --- a/arch/x86/events/intel/uncore.c +++ b/arch/x86/events/intel/uncore.c @@ -1170,7 +1170,7 @@ static int uncore_event_cpu_online(unsigned int cpu) pmu = type->pmus; for (i = 0; i < type->num_boxes; i++, pmu++) { box = pmu->boxes[pkg]; - if (!box && atomic_inc_return(&box->refcnt) == 1) + if (box && atomic_inc_return(&box->refcnt) == 1) uncore_box_init(box); } } diff --git a/arch/x86/include/asm/extable.h b/arch/x86/include/asm/extable.h index b8ad261..c66d19e 100644 --- a/arch/x86/include/asm/extable.h +++ b/arch/x86/include/asm/extable.h @@ -29,6 +29,7 @@ struct pt_regs; } while (0) extern int fixup_exception(struct pt_regs *regs, int trapnr); +extern int fixup_bug(struct pt_regs *regs, int trapnr); extern bool ex_has_fault_handler(unsigned long ip); extern void early_fixup_exception(struct pt_regs *regs, int trapnr); diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h index 0559626..722d0e5 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -296,6 +296,7 @@ struct x86_emulate_ctxt { bool perm_ok; /* do not check permissions if true */ bool ud; /* inject an #UD if host doesn't support insn */ + bool tf; /* TF value before instruction (after for syscall/sysret) */ bool have_exception; struct x86_exception exception; diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h index fba1007..d5acc27 100644 --- a/arch/x86/include/asm/mshyperv.h +++ b/arch/x86/include/asm/mshyperv.h @@ -2,8 +2,7 @@ #define _ASM_X86_MSHYPER_H #include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/clocksource.h> +#include <linux/atomic.h> #include <asm/hyperv.h> /* diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h index 3cada99..a28b671 100644 --- a/arch/x86/include/asm/processor.h +++ b/arch/x86/include/asm/processor.h @@ -860,8 +860,6 @@ extern unsigned long KSTK_ESP(struct task_struct *task); #endif /* CONFIG_X86_64 */ -extern unsigned long thread_saved_pc(struct task_struct *tsk); - extern void start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp); diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c index a70fd61..6f07744 100644 --- a/arch/x86/kernel/cpu/cyrix.c +++ b/arch/x86/kernel/cpu/cyrix.c @@ -255,6 +255,7 @@ static void init_cyrix(struct cpuinfo_x86 *c) break; case 4: /* MediaGX/GXm or Geode GXM/GXLV/GX1 */ + case 11: /* GX1 with inverted Device ID */ #ifdef CONFIG_PCI { u32 vendor, device; diff --git a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c index f5af0cc..9257bd9 100644 --- a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c +++ b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c @@ -856,11 +856,13 @@ static struct dentry *rdt_mount(struct file_system_type *fs_type, dentry = kernfs_mount(fs_type, flags, rdt_root, RDTGROUP_SUPER_MAGIC, NULL); if (IS_ERR(dentry)) - goto out_cdp; + goto out_destroy; static_branch_enable(&rdt_enable_key); goto out; +out_destroy: + kernfs_remove(kn_info); out_cdp: cdp_disable(); out: diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index 45db4d2..e9f4d76 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -320,7 +320,7 @@ void load_ucode_amd_ap(unsigned int cpuid_1_eax) } static enum ucode_state -load_microcode_amd(int cpu, u8 family, const u8 *data, size_t size); +load_microcode_amd(bool save, u8 family, const u8 *data, size_t size); int __init save_microcode_in_initrd_amd(unsigned int cpuid_1_eax) { @@ -338,8 +338,7 @@ int __init save_microcode_in_initrd_amd(unsigned int cpuid_1_eax) if (!desc.mc) return -EINVAL; - ret = load_microcode_amd(smp_processor_id(), x86_family(cpuid_1_eax), - desc.data, desc.size); + ret = load_microcode_amd(true, x86_family(cpuid_1_eax), desc.data, desc.size); if (ret != UCODE_OK) return -EINVAL; @@ -675,7 +674,7 @@ static enum ucode_state __load_microcode_amd(u8 family, const u8 *data, } static enum ucode_state -load_microcode_amd(int cpu, u8 family, const u8 *data, size_t size) +load_microcode_amd(bool save, u8 family, const u8 *data, size_t size) { enum ucode_state ret; @@ -689,8 +688,8 @@ load_microcode_amd(int cpu, u8 family, const u8 *data, size_t size) #ifdef CONFIG_X86_32 /* save BSP's matching patch for early load */ - if (cpu_data(cpu).cpu_index == boot_cpu_data.cpu_index) { - struct ucode_patch *p = find_patch(cpu); + if (save) { + struct ucode_patch *p = find_patch(0); if (p) { memset(amd_ucode_patch, 0, PATCH_MAX_SIZE); memcpy(amd_ucode_patch, p->data, min_t(u32, ksize(p->data), @@ -722,11 +721,12 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device, { char fw_name[36] = "amd-ucode/microcode_amd.bin"; struct cpuinfo_x86 *c = &cpu_data(cpu); + bool bsp = c->cpu_index == boot_cpu_data.cpu_index; enum ucode_state ret = UCODE_NFOUND; const struct firmware *fw; /* reload ucode container only on the boot cpu */ - if (!refresh_fw || c->cpu_index != boot_cpu_data.cpu_index) + if (!refresh_fw || !bsp) return UCODE_OK; if (c->x86 >= 0x15) @@ -743,7 +743,7 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device, goto fw_release; } - ret = load_microcode_amd(cpu, c->x86, fw->data, fw->size); + ret = load_microcode_amd(bsp, c->x86, fw->data, fw->size); fw_release: release_firmware(fw); diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index afdfd23..f522415 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -619,6 +619,9 @@ int __init save_microcode_in_initrd_intel(void) show_saved_mc(); + /* initrd is going away, clear patch ptr. */ + intel_ucode_patch = NULL; + return 0; } diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index da5c097..43e10d6 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -161,8 +161,8 @@ void kvm_async_pf_task_wait(u32 token) */ rcu_irq_exit(); native_safe_halt(); - rcu_irq_enter(); local_irq_disable(); + rcu_irq_enter(); } } if (!n.halted) diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 0bb8842..3ca1980 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -545,17 +545,6 @@ unsigned long arch_randomize_brk(struct mm_struct *mm) } /* - * Return saved PC of a blocked thread. - * What is this good for? it will be always the scheduler or ret_from_fork. - */ -unsigned long thread_saved_pc(struct task_struct *tsk) -{ - struct inactive_task_frame *frame = - (struct inactive_task_frame *) READ_ONCE(tsk->thread.sp); - return READ_ONCE_NOCHECK(frame->ret_addr); -} - -/* * Called from fs/proc with a reference on @p to find the function * which called into schedule(). This needs to be done carefully * because the task might wake up and we might look at a stack diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index ff40e74..ffeae81 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -78,7 +78,7 @@ void __show_regs(struct pt_regs *regs, int all) printk(KERN_DEFAULT "EIP: %pS\n", (void *)regs->ip); printk(KERN_DEFAULT "EFLAGS: %08lx CPU: %d\n", regs->flags, - smp_processor_id()); + raw_smp_processor_id()); printk(KERN_DEFAULT "EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n", regs->ax, regs->bx, regs->cx, regs->dx); diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c index 207b8f2..213ddf3 100644 --- a/arch/x86/kernel/sys_x86_64.c +++ b/arch/x86/kernel/sys_x86_64.c @@ -144,7 +144,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (end - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } @@ -187,7 +187,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, addr = PAGE_ALIGN(addr); vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c index 4b17240..a4eb279 100644 --- a/arch/x86/kernel/tboot.c +++ b/arch/x86/kernel/tboot.c @@ -514,7 +514,7 @@ int tboot_force_iommu(void) if (!tboot_enabled()) return 0; - if (!intel_iommu_tboot_noforce) + if (intel_iommu_tboot_noforce) return 1; if (no_iommu || swiotlb || dmar_disabled) diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 3995d3a..bf54309 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -182,7 +182,7 @@ int is_valid_bugaddr(unsigned long addr) return ud == INSN_UD0 || ud == INSN_UD2; } -static int fixup_bug(struct pt_regs *regs, int trapnr) +int fixup_bug(struct pt_regs *regs, int trapnr) { if (trapnr != X86_TRAP_UD) return 0; diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index a181ae7..59ca2ee 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -780,18 +780,20 @@ out: static int move_to_next_stateful_cpuid_entry(struct kvm_vcpu *vcpu, int i) { struct kvm_cpuid_entry2 *e = &vcpu->arch.cpuid_entries[i]; - int j, nent = vcpu->arch.cpuid_nent; + struct kvm_cpuid_entry2 *ej; + int j = i; + int nent = vcpu->arch.cpuid_nent; e->flags &= ~KVM_CPUID_FLAG_STATE_READ_NEXT; /* when no next entry is found, the current entry[i] is reselected */ - for (j = i + 1; ; j = (j + 1) % nent) { - struct kvm_cpuid_entry2 *ej = &vcpu->arch.cpuid_entries[j]; - if (ej->function == e->function) { - ej->flags |= KVM_CPUID_FLAG_STATE_READ_NEXT; - return j; - } - } - return 0; /* silence gcc, even though control never reaches here */ + do { + j = (j + 1) % nent; + ej = &vcpu->arch.cpuid_entries[j]; + } while (ej->function != e->function); + + ej->flags |= KVM_CPUID_FLAG_STATE_READ_NEXT; + + return j; } /* find an entry with matching function, matching index (if needed), and that diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 0816ab2..80890de 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2742,6 +2742,7 @@ static int em_syscall(struct x86_emulate_ctxt *ctxt) ctxt->eflags &= ~(X86_EFLAGS_VM | X86_EFLAGS_IF); } + ctxt->tf = (ctxt->eflags & X86_EFLAGS_TF) != 0; return X86EMUL_CONTINUE; } diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index c329d28..d24c874 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1495,8 +1495,10 @@ EXPORT_SYMBOL_GPL(kvm_lapic_hv_timer_in_use); static void cancel_hv_timer(struct kvm_lapic *apic) { + preempt_disable(); kvm_x86_ops->cancel_hv_timer(apic->vcpu); apic->lapic_timer.hv_timer_in_use = false; + preempt_enable(); } static bool start_hv_timer(struct kvm_lapic *apic) @@ -1934,7 +1936,8 @@ void kvm_lapic_reset(struct kvm_vcpu *vcpu, bool init_event) for (i = 0; i < KVM_APIC_LVT_NUM; i++) kvm_lapic_set_reg(apic, APIC_LVTT + 0x10 * i, APIC_LVT_MASKED); apic_update_lvtt(apic); - if (kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_LINT0_REENABLED)) + if (kvm_vcpu_is_reset_bsp(vcpu) && + kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_LINT0_REENABLED)) kvm_lapic_set_reg(apic, APIC_LVT0, SET_APIC_DELIVERY_MODE(0, APIC_MODE_EXTINT)); apic_manage_nmi_watchdog(apic, kvm_lapic_get_reg(apic, APIC_LVT0)); diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 5d3376f..cb82259 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -3698,12 +3698,15 @@ static int kvm_arch_setup_async_pf(struct kvm_vcpu *vcpu, gva_t gva, gfn_t gfn) return kvm_setup_async_pf(vcpu, gva, kvm_vcpu_gfn_to_hva(vcpu, gfn), &arch); } -static bool can_do_async_pf(struct kvm_vcpu *vcpu) +bool kvm_can_do_async_pf(struct kvm_vcpu *vcpu) { if (unlikely(!lapic_in_kernel(vcpu) || kvm_event_needs_reinjection(vcpu))) return false; + if (is_guest_mode(vcpu)) + return false; + return kvm_x86_ops->interrupt_allowed(vcpu); } @@ -3719,7 +3722,7 @@ static bool try_async_pf(struct kvm_vcpu *vcpu, bool prefault, gfn_t gfn, if (!async) return false; /* *pfn has correct page already */ - if (!prefault && can_do_async_pf(vcpu)) { + if (!prefault && kvm_can_do_async_pf(vcpu)) { trace_kvm_try_async_get_page(gva, gfn); if (kvm_find_async_pf_gfn(vcpu, gfn)) { trace_kvm_async_pf_doublefault(gva, gfn); diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h index 2797580..330bf3a 100644 --- a/arch/x86/kvm/mmu.h +++ b/arch/x86/kvm/mmu.h @@ -76,6 +76,7 @@ int handle_mmio_page_fault(struct kvm_vcpu *vcpu, u64 addr, bool direct); void kvm_init_shadow_mmu(struct kvm_vcpu *vcpu); void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly, bool accessed_dirty); +bool kvm_can_do_async_pf(struct kvm_vcpu *vcpu); static inline unsigned int kvm_mmu_available_pages(struct kvm *kvm) { diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 183ddb2..ba9891a 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1807,7 +1807,7 @@ static void svm_get_segment(struct kvm_vcpu *vcpu, * AMD's VMCB does not have an explicit unusable field, so emulate it * for cross vendor migration purposes by "not present" */ - var->unusable = !var->present || (var->type == 0); + var->unusable = !var->present; switch (seg) { case VCPU_SREG_TR: @@ -1840,6 +1840,7 @@ static void svm_get_segment(struct kvm_vcpu *vcpu, */ if (var->unusable) var->db = 0; + /* This is symmetric with svm_set_segment() */ var->dpl = to_svm(vcpu)->vmcb->save.cpl; break; } @@ -1980,18 +1981,14 @@ static void svm_set_segment(struct kvm_vcpu *vcpu, s->base = var->base; s->limit = var->limit; s->selector = var->selector; - if (var->unusable) - s->attrib = 0; - else { - s->attrib = (var->type & SVM_SELECTOR_TYPE_MASK); - s->attrib |= (var->s & 1) << SVM_SELECTOR_S_SHIFT; - s->attrib |= (var->dpl & 3) << SVM_SELECTOR_DPL_SHIFT; - s->attrib |= (var->present & 1) << SVM_SELECTOR_P_SHIFT; - s->attrib |= (var->avl & 1) << SVM_SELECTOR_AVL_SHIFT; - s->attrib |= (var->l & 1) << SVM_SELECTOR_L_SHIFT; - s->attrib |= (var->db & 1) << SVM_SELECTOR_DB_SHIFT; - s->attrib |= (var->g & 1) << SVM_SELECTOR_G_SHIFT; - } + s->attrib = (var->type & SVM_SELECTOR_TYPE_MASK); + s->attrib |= (var->s & 1) << SVM_SELECTOR_S_SHIFT; + s->attrib |= (var->dpl & 3) << SVM_SELECTOR_DPL_SHIFT; + s->attrib |= ((var->present & 1) && !var->unusable) << SVM_SELECTOR_P_SHIFT; + s->attrib |= (var->avl & 1) << SVM_SELECTOR_AVL_SHIFT; + s->attrib |= (var->l & 1) << SVM_SELECTOR_L_SHIFT; + s->attrib |= (var->db & 1) << SVM_SELECTOR_DB_SHIFT; + s->attrib |= (var->g & 1) << SVM_SELECTOR_G_SHIFT; /* * This is always accurate, except if SYSRET returned to a segment @@ -2000,7 +1997,8 @@ static void svm_set_segment(struct kvm_vcpu *vcpu, * would entail passing the CPL to userspace and back. */ if (seg == VCPU_SREG_SS) - svm->vmcb->save.cpl = (s->attrib >> SVM_SELECTOR_DPL_SHIFT) & 3; + /* This is symmetric with svm_get_segment() */ + svm->vmcb->save.cpl = (var->dpl & 3); mark_dirty(svm->vmcb, VMCB_SEG); } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 72f7839..ca5d2b9 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2425,7 +2425,7 @@ static int nested_vmx_check_exception(struct kvm_vcpu *vcpu, unsigned nr) if (!(vmcs12->exception_bitmap & (1u << nr))) return 0; - nested_vmx_vmexit(vcpu, to_vmx(vcpu)->exit_reason, + nested_vmx_vmexit(vcpu, EXIT_REASON_EXCEPTION_NMI, vmcs_read32(VM_EXIT_INTR_INFO), vmcs_readl(EXIT_QUALIFICATION)); return 1; @@ -6914,97 +6914,21 @@ static int get_vmx_mem_address(struct kvm_vcpu *vcpu, return 0; } -/* - * This function performs the various checks including - * - if it's 4KB aligned - * - No bits beyond the physical address width are set - * - Returns 0 on success or else 1 - * (Intel SDM Section 30.3) - */ -static int nested_vmx_check_vmptr(struct kvm_vcpu *vcpu, int exit_reason, - gpa_t *vmpointer) +static int nested_vmx_get_vmptr(struct kvm_vcpu *vcpu, gpa_t *vmpointer) { gva_t gva; - gpa_t vmptr; struct x86_exception e; - struct page *page; - struct vcpu_vmx *vmx = to_vmx(vcpu); - int maxphyaddr = cpuid_maxphyaddr(vcpu); if (get_vmx_mem_address(vcpu, vmcs_readl(EXIT_QUALIFICATION), vmcs_read32(VMX_INSTRUCTION_INFO), false, &gva)) return 1; - if (kvm_read_guest_virt(&vcpu->arch.emulate_ctxt, gva, &vmptr, - sizeof(vmptr), &e)) { + if (kvm_read_guest_virt(&vcpu->arch.emulate_ctxt, gva, vmpointer, + sizeof(*vmpointer), &e)) { kvm_inject_page_fault(vcpu, &e); return 1; } - switch (exit_reason) { - case EXIT_REASON_VMON: - /* - * SDM 3: 24.11.5 - * The first 4 bytes of VMXON region contain the supported - * VMCS revision identifier - * - * Note - IA32_VMX_BASIC[48] will never be 1 - * for the nested case; - * which replaces physical address width with 32 - * - */ - if (!PAGE_ALIGNED(vmptr) || (vmptr >> maxphyaddr)) { - nested_vmx_failInvalid(vcpu); - return kvm_skip_emulated_instruction(vcpu); - } - - page = nested_get_page(vcpu, vmptr); - if (page == NULL) { - nested_vmx_failInvalid(vcpu); - return kvm_skip_emulated_instruction(vcpu); - } - if (*(u32 *)kmap(page) != VMCS12_REVISION) { - kunmap(page); - nested_release_page_clean(page); - nested_vmx_failInvalid(vcpu); - return kvm_skip_emulated_instruction(vcpu); - } - kunmap(page); - nested_release_page_clean(page); - vmx->nested.vmxon_ptr = vmptr; - break; - case EXIT_REASON_VMCLEAR: - if (!PAGE_ALIGNED(vmptr) || (vmptr >> maxphyaddr)) { - nested_vmx_failValid(vcpu, - VMXERR_VMCLEAR_INVALID_ADDRESS); - return kvm_skip_emulated_instruction(vcpu); - } - - if (vmptr == vmx->nested.vmxon_ptr) { - nested_vmx_failValid(vcpu, - VMXERR_VMCLEAR_VMXON_POINTER); - return kvm_skip_emulated_instruction(vcpu); - } - break; - case EXIT_REASON_VMPTRLD: - if (!PAGE_ALIGNED(vmptr) || (vmptr >> maxphyaddr)) { - nested_vmx_failValid(vcpu, - VMXERR_VMPTRLD_INVALID_ADDRESS); - return kvm_skip_emulated_instruction(vcpu); - } - - if (vmptr == vmx->nested.vmxon_ptr) { - nested_vmx_failValid(vcpu, - VMXERR_VMPTRLD_VMXON_POINTER); - return kvm_skip_emulated_instruction(vcpu); - } - break; - default: - return 1; /* shouldn't happen */ - } - - if (vmpointer) - *vmpointer = vmptr; return 0; } @@ -7066,6 +6990,8 @@ out_msr_bitmap: static int handle_vmon(struct kvm_vcpu *vcpu) { int ret; + gpa_t vmptr; + struct page *page; struct vcpu_vmx *vmx = to_vmx(vcpu); const u64 VMXON_NEEDED_FEATURES = FEATURE_CONTROL_LOCKED | FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX; @@ -7095,9 +7021,37 @@ static int handle_vmon(struct kvm_vcpu *vcpu) return 1; } - if (nested_vmx_check_vmptr(vcpu, EXIT_REASON_VMON, NULL)) + if (nested_vmx_get_vmptr(vcpu, &vmptr)) return 1; - + + /* + * SDM 3: 24.11.5 + * The first 4 bytes of VMXON region contain the supported + * VMCS revision identifier + * + * Note - IA32_VMX_BASIC[48] will never be 1 for the nested case; + * which replaces physical address width with 32 + */ + if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu))) { + nested_vmx_failInvalid(vcpu); + return kvm_skip_emulated_instruction(vcpu); + } + + page = nested_get_page(vcpu, vmptr); + if (page == NULL) { + nested_vmx_failInvalid(vcpu); + return kvm_skip_emulated_instruction(vcpu); + } + if (*(u32 *)kmap(page) != VMCS12_REVISION) { + kunmap(page); + nested_release_page_clean(page); + nested_vmx_failInvalid(vcpu); + return kvm_skip_emulated_instruction(vcpu); + } + kunmap(page); + nested_release_page_clean(page); + + vmx->nested.vmxon_ptr = vmptr; ret = enter_vmx_operation(vcpu); if (ret) return ret; @@ -7213,9 +7167,19 @@ static int handle_vmclear(struct kvm_vcpu *vcpu) if (!nested_vmx_check_permission(vcpu)) return 1; - if (nested_vmx_check_vmptr(vcpu, EXIT_REASON_VMCLEAR, &vmptr)) + if (nested_vmx_get_vmptr(vcpu, &vmptr)) return 1; + if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu))) { + nested_vmx_failValid(vcpu, VMXERR_VMCLEAR_INVALID_ADDRESS); + return kvm_skip_emulated_instruction(vcpu); + } + + if (vmptr == vmx->nested.vmxon_ptr) { + nested_vmx_failValid(vcpu, VMXERR_VMCLEAR_VMXON_POINTER); + return kvm_skip_emulated_instruction(vcpu); + } + if (vmptr == vmx->nested.current_vmptr) nested_release_vmcs12(vmx); @@ -7545,9 +7509,19 @@ static int handle_vmptrld(struct kvm_vcpu *vcpu) if (!nested_vmx_check_permission(vcpu)) return 1; - if (nested_vmx_check_vmptr(vcpu, EXIT_REASON_VMPTRLD, &vmptr)) + if (nested_vmx_get_vmptr(vcpu, &vmptr)) return 1; + if (!PAGE_ALIGNED(vmptr) || (vmptr >> cpuid_maxphyaddr(vcpu))) { + nested_vmx_failValid(vcpu, VMXERR_VMPTRLD_INVALID_ADDRESS); + return kvm_skip_emulated_instruction(vcpu); + } + + if (vmptr == vmx->nested.vmxon_ptr) { + nested_vmx_failValid(vcpu, VMXERR_VMPTRLD_VMXON_POINTER); + return kvm_skip_emulated_instruction(vcpu); + } + if (vmx->nested.current_vmptr != vmptr) { struct vmcs12 *new_vmcs12; struct page *page; @@ -7913,11 +7887,13 @@ static bool nested_vmx_exit_handled_cr(struct kvm_vcpu *vcpu, { unsigned long exit_qualification = vmcs_readl(EXIT_QUALIFICATION); int cr = exit_qualification & 15; - int reg = (exit_qualification >> 8) & 15; - unsigned long val = kvm_register_readl(vcpu, reg); + int reg; + unsigned long val; switch ((exit_qualification >> 4) & 3) { case 0: /* mov to cr */ + reg = (exit_qualification >> 8) & 15; + val = kvm_register_readl(vcpu, reg); switch (cr) { case 0: if (vmcs12->cr0_guest_host_mask & @@ -7972,6 +7948,7 @@ static bool nested_vmx_exit_handled_cr(struct kvm_vcpu *vcpu, * lmsw can change bits 1..3 of cr0, and only set bit 0 of * cr0. Other attempted changes are ignored, with no exit. */ + val = (exit_qualification >> LMSW_SOURCE_DATA_SHIFT) & 0x0f; if (vmcs12->cr0_guest_host_mask & 0xe & (val ^ vmcs12->cr0_read_shadow)) return true; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 02363e3..0e846f0 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -5313,6 +5313,8 @@ static void init_emulate_ctxt(struct kvm_vcpu *vcpu) kvm_x86_ops->get_cs_db_l_bits(vcpu, &cs_db, &cs_l); ctxt->eflags = kvm_get_rflags(vcpu); + ctxt->tf = (ctxt->eflags & X86_EFLAGS_TF) != 0; + ctxt->eip = kvm_rip_read(vcpu); ctxt->mode = (!is_protmode(vcpu)) ? X86EMUL_MODE_REAL : (ctxt->eflags & X86_EFLAGS_VM) ? X86EMUL_MODE_VM86 : @@ -5528,36 +5530,25 @@ static int kvm_vcpu_check_hw_bp(unsigned long addr, u32 type, u32 dr7, return dr6; } -static void kvm_vcpu_check_singlestep(struct kvm_vcpu *vcpu, unsigned long rflags, int *r) +static void kvm_vcpu_do_singlestep(struct kvm_vcpu *vcpu, int *r) { struct kvm_run *kvm_run = vcpu->run; - /* - * rflags is the old, "raw" value of the flags. The new value has - * not been saved yet. - * - * This is correct even for TF set by the guest, because "the - * processor will not generate this exception after the instruction - * that sets the TF flag". - */ - if (unlikely(rflags & X86_EFLAGS_TF)) { - if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) { - kvm_run->debug.arch.dr6 = DR6_BS | DR6_FIXED_1 | - DR6_RTM; - kvm_run->debug.arch.pc = vcpu->arch.singlestep_rip; - kvm_run->debug.arch.exception = DB_VECTOR; - kvm_run->exit_reason = KVM_EXIT_DEBUG; - *r = EMULATE_USER_EXIT; - } else { - /* - * "Certain debug exceptions may clear bit 0-3. The - * remaining contents of the DR6 register are never - * cleared by the processor". - */ - vcpu->arch.dr6 &= ~15; - vcpu->arch.dr6 |= DR6_BS | DR6_RTM; - kvm_queue_exception(vcpu, DB_VECTOR); - } + if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) { + kvm_run->debug.arch.dr6 = DR6_BS | DR6_FIXED_1 | DR6_RTM; + kvm_run->debug.arch.pc = vcpu->arch.singlestep_rip; + kvm_run->debug.arch.exception = DB_VECTOR; + kvm_run->exit_reason = KVM_EXIT_DEBUG; + *r = EMULATE_USER_EXIT; + } else { + /* + * "Certain debug exceptions may clear bit 0-3. The + * remaining contents of the DR6 register are never + * cleared by the processor". + */ + vcpu->arch.dr6 &= ~15; + vcpu->arch.dr6 |= DR6_BS | DR6_RTM; + kvm_queue_exception(vcpu, DB_VECTOR); } } @@ -5567,7 +5558,17 @@ int kvm_skip_emulated_instruction(struct kvm_vcpu *vcpu) int r = EMULATE_DONE; kvm_x86_ops->skip_emulated_instruction(vcpu); - kvm_vcpu_check_singlestep(vcpu, rflags, &r); + + /* + * rflags is the old, "raw" value of the flags. The new value has + * not been saved yet. + * + * This is correct even for TF set by the guest, because "the + * processor will not generate this exception after the instruction + * that sets the TF flag". + */ + if (unlikely(rflags & X86_EFLAGS_TF)) + kvm_vcpu_do_singlestep(vcpu, &r); return r == EMULATE_DONE; } EXPORT_SYMBOL_GPL(kvm_skip_emulated_instruction); @@ -5726,8 +5727,9 @@ restart: toggle_interruptibility(vcpu, ctxt->interruptibility); vcpu->arch.emulate_regs_need_sync_to_vcpu = false; kvm_rip_write(vcpu, ctxt->eip); - if (r == EMULATE_DONE) - kvm_vcpu_check_singlestep(vcpu, rflags, &r); + if (r == EMULATE_DONE && + (ctxt->tf || (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP))) + kvm_vcpu_do_singlestep(vcpu, &r); if (!ctxt->have_exception || exception_type(ctxt->exception.vector) == EXCPT_TRAP) __kvm_set_rflags(vcpu, ctxt->eflags); @@ -8394,10 +8396,13 @@ static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu) if (vcpu->arch.pv.pv_unhalted) return true; - if (atomic_read(&vcpu->arch.nmi_queued)) + if (kvm_test_request(KVM_REQ_NMI, vcpu) || + (vcpu->arch.nmi_pending && + kvm_x86_ops->nmi_allowed(vcpu))) return true; - if (kvm_test_request(KVM_REQ_SMI, vcpu)) + if (kvm_test_request(KVM_REQ_SMI, vcpu) || + (vcpu->arch.smi_pending && !is_smm(vcpu))) return true; if (kvm_arch_interrupt_allowed(vcpu) && @@ -8604,8 +8609,7 @@ bool kvm_arch_can_inject_async_page_present(struct kvm_vcpu *vcpu) if (!(vcpu->arch.apf.msr_val & KVM_ASYNC_PF_ENABLED)) return true; else - return !kvm_event_needs_reinjection(vcpu) && - kvm_x86_ops->interrupt_allowed(vcpu); + return kvm_can_do_async_pf(vcpu); } void kvm_arch_start_assignment(struct kvm *kvm) diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c index 35ea061..0ea8afc 100644 --- a/arch/x86/mm/extable.c +++ b/arch/x86/mm/extable.c @@ -162,6 +162,9 @@ void __init early_fixup_exception(struct pt_regs *regs, int trapnr) if (fixup_exception(regs, trapnr)) return; + if (fixup_bug(regs, trapnr)) + return; + fail: early_printk("PANIC: early exception 0x%02x IP %lx:%lx error %lx cr2 0x%lx\n", (unsigned)trapnr, (unsigned long)regs->cs, regs->ip, diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c index 302f43f..adad702 100644 --- a/arch/x86/mm/hugetlbpage.c +++ b/arch/x86/mm/hugetlbpage.c @@ -148,7 +148,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, addr = ALIGN(addr, huge_page_size(h)); vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } if (mm->get_unmapped_area == arch_get_unmapped_area) diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index cbc87ea..9b3f9fa 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -161,16 +161,16 @@ static int page_size_mask; static void __init probe_page_size_mask(void) { -#if !defined(CONFIG_KMEMCHECK) /* * For CONFIG_KMEMCHECK or pagealloc debugging, identity mapping will * use small pages. * This will simplify cpa(), which otherwise needs to support splitting * large pages into small in interrupt context, etc. */ - if (boot_cpu_has(X86_FEATURE_PSE) && !debug_pagealloc_enabled()) + if (boot_cpu_has(X86_FEATURE_PSE) && !debug_pagealloc_enabled() && !IS_ENABLED(CONFIG_KMEMCHECK)) page_size_mask |= 1 << PG_LEVEL_2M; -#endif + else + direct_gbpages = 0; /* Enable PSE if available */ if (boot_cpu_has(X86_FEATURE_PSE)) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 95651dc..0a59daf 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -990,7 +990,13 @@ remove_p4d_table(p4d_t *p4d_start, unsigned long addr, unsigned long end, pud_base = pud_offset(p4d, 0); remove_pud_table(pud_base, addr, next, direct); - free_pud_table(pud_base, p4d); + /* + * For 4-level page tables we do not want to free PUDs, but in the + * 5-level case we should free them. This code will have to change + * to adapt for boot-time switching between 4 and 5 level page tables. + */ + if (CONFIG_PGTABLE_LEVELS == 5) + free_pud_table(pud_base, p4d); } if (direct) diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index 83a59a6..9b78685 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -65,11 +65,9 @@ static int __init nopat(char *str) } early_param("nopat", nopat); -static bool __read_mostly __pat_initialized = false; - bool pat_enabled(void) { - return __pat_initialized; + return !!__pat_enabled; } EXPORT_SYMBOL_GPL(pat_enabled); @@ -227,14 +225,13 @@ static void pat_bsp_init(u64 pat) } wrmsrl(MSR_IA32_CR_PAT, pat); - __pat_initialized = true; __init_cache_modes(pat); } static void pat_ap_init(u64 pat) { - if (!this_cpu_has(X86_FEATURE_PAT)) { + if (!boot_cpu_has(X86_FEATURE_PAT)) { /* * If this happens we are on a secondary CPU, but switched to * PAT on the boot CPU. We have no way to undo PAT. @@ -309,7 +306,7 @@ void pat_init(void) u64 pat; struct cpuinfo_x86 *c = &boot_cpu_data; - if (!__pat_enabled) { + if (!pat_enabled()) { init_cache_modes(); return; } diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index 7e76a4d..43b96f5 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -828,9 +828,11 @@ static void __init kexec_enter_virtual_mode(void) /* * We don't do virtual mode, since we don't do runtime services, on - * non-native EFI + * non-native EFI. With efi=old_map, we don't do runtime services in + * kexec kernel because in the initial boot something else might + * have been mapped at these virtual addresses. */ - if (!efi_is_native()) { + if (!efi_is_native() || efi_enabled(EFI_OLD_MEMMAP)) { efi_memmap_unmap(); clear_bit(EFI_RUNTIME_SERVICES, &efi.flags); return; diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index c488625..eb8dff1 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -71,11 +71,13 @@ static void __init early_code_mapping_set_exec(int executable) pgd_t * __init efi_call_phys_prolog(void) { - unsigned long vaddress; - pgd_t *save_pgd; + unsigned long vaddr, addr_pgd, addr_p4d, addr_pud; + pgd_t *save_pgd, *pgd_k, *pgd_efi; + p4d_t *p4d, *p4d_k, *p4d_efi; + pud_t *pud; int pgd; - int n_pgds; + int n_pgds, i, j; if (!efi_enabled(EFI_OLD_MEMMAP)) { save_pgd = (pgd_t *)read_cr3(); @@ -88,10 +90,49 @@ pgd_t * __init efi_call_phys_prolog(void) n_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT), PGDIR_SIZE); save_pgd = kmalloc_array(n_pgds, sizeof(*save_pgd), GFP_KERNEL); + /* + * Build 1:1 identity mapping for efi=old_map usage. Note that + * PAGE_OFFSET is PGDIR_SIZE aligned when KASLR is disabled, while + * it is PUD_SIZE ALIGNED with KASLR enabled. So for a given physical + * address X, the pud_index(X) != pud_index(__va(X)), we can only copy + * PUD entry of __va(X) to fill in pud entry of X to build 1:1 mapping. + * This means here we can only reuse the PMD tables of the direct mapping. + */ for (pgd = 0; pgd < n_pgds; pgd++) { - save_pgd[pgd] = *pgd_offset_k(pgd * PGDIR_SIZE); - vaddress = (unsigned long)__va(pgd * PGDIR_SIZE); - set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress)); + addr_pgd = (unsigned long)(pgd * PGDIR_SIZE); + vaddr = (unsigned long)__va(pgd * PGDIR_SIZE); + pgd_efi = pgd_offset_k(addr_pgd); + save_pgd[pgd] = *pgd_efi; + + p4d = p4d_alloc(&init_mm, pgd_efi, addr_pgd); + if (!p4d) { + pr_err("Failed to allocate p4d table!\n"); + goto out; + } + + for (i = 0; i < PTRS_PER_P4D; i++) { + addr_p4d = addr_pgd + i * P4D_SIZE; + p4d_efi = p4d + p4d_index(addr_p4d); + + pud = pud_alloc(&init_mm, p4d_efi, addr_p4d); + if (!pud) { + pr_err("Failed to allocate pud table!\n"); + goto out; + } + + for (j = 0; j < PTRS_PER_PUD; j++) { + addr_pud = addr_p4d + j * PUD_SIZE; + + if (addr_pud > (max_pfn << PAGE_SHIFT)) + break; + + vaddr = (unsigned long)__va(addr_pud); + + pgd_k = pgd_offset_k(vaddr); + p4d_k = p4d_offset(pgd_k, vaddr); + pud[j] = *pud_offset(p4d_k, vaddr); + } + } } out: __flush_tlb_all(); @@ -104,8 +145,11 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd) /* * After the lock is released, the original page table is restored. */ - int pgd_idx; + int pgd_idx, i; int nr_pgds; + pgd_t *pgd; + p4d_t *p4d; + pud_t *pud; if (!efi_enabled(EFI_OLD_MEMMAP)) { write_cr3((unsigned long)save_pgd); @@ -115,9 +159,28 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd) nr_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT) , PGDIR_SIZE); - for (pgd_idx = 0; pgd_idx < nr_pgds; pgd_idx++) + for (pgd_idx = 0; pgd_idx < nr_pgds; pgd_idx++) { + pgd = pgd_offset_k(pgd_idx * PGDIR_SIZE); set_pgd(pgd_offset_k(pgd_idx * PGDIR_SIZE), save_pgd[pgd_idx]); + if (!(pgd_val(*pgd) & _PAGE_PRESENT)) + continue; + + for (i = 0; i < PTRS_PER_P4D; i++) { + p4d = p4d_offset(pgd, + pgd_idx * PGDIR_SIZE + i * P4D_SIZE); + + if (!(p4d_val(*p4d) & _PAGE_PRESENT)) + continue; + + pud = (pud_t *)p4d_page_vaddr(*p4d); + pud_free(&init_mm, pud); + } + + p4d = (p4d_t *)pgd_page_vaddr(*pgd); + p4d_free(&init_mm, p4d); + } + kfree(save_pgd); __flush_tlb_all(); diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c index 2661599..e0cf95a 100644 --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -360,6 +360,9 @@ void __init efi_free_boot_services(void) free_bootmem_late(start, size); } + if (!num_entries) + return; + new_size = efi.memmap.desc_size * num_entries; new_phys = efi_memmap_alloc(num_entries); if (!new_phys) { diff --git a/arch/xtensa/include/asm/irq.h b/arch/xtensa/include/asm/irq.h index f71f88e..19707db 100644 --- a/arch/xtensa/include/asm/irq.h +++ b/arch/xtensa/include/asm/irq.h @@ -29,7 +29,8 @@ static inline void variant_irq_disable(unsigned int irq) { } # define PLATFORM_NR_IRQS 0 #endif #define XTENSA_NR_IRQS XCHAL_NUM_INTERRUPTS -#define NR_IRQS (XTENSA_NR_IRQS + VARIANT_NR_IRQS + PLATFORM_NR_IRQS) +#define NR_IRQS (XTENSA_NR_IRQS + VARIANT_NR_IRQS + PLATFORM_NR_IRQS + 1) +#define XTENSA_PIC_LINUX_IRQ(hwirq) ((hwirq) + 1) #if VARIANT_NR_IRQS == 0 static inline void variant_init_irq(void) { } diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h index 003eeee..30ee8c6 100644 --- a/arch/xtensa/include/asm/processor.h +++ b/arch/xtensa/include/asm/processor.h @@ -213,8 +213,6 @@ struct mm_struct; #define release_segments(mm) do { } while(0) #define forget_segments() do { } while (0) -#define thread_saved_pc(tsk) (task_pt_regs(tsk)->pc) - extern unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) (task_pt_regs(tsk)->pc) diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c index a265edd..9934102 100644 --- a/arch/xtensa/kernel/irq.c +++ b/arch/xtensa/kernel/irq.c @@ -34,11 +34,6 @@ asmlinkage void do_IRQ(int hwirq, struct pt_regs *regs) { int irq = irq_find_mapping(NULL, hwirq); - if (hwirq >= NR_IRQS) { - printk(KERN_EMERG "%s: cannot handle IRQ %d\n", - __func__, hwirq); - } - #ifdef CONFIG_DEBUG_STACKOVERFLOW /* Debugging check for stack overflow: is there less than 1KB free? */ { diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c index 394ef08..33bfa52 100644 --- a/arch/xtensa/kernel/setup.c +++ b/arch/xtensa/kernel/setup.c @@ -593,8 +593,7 @@ c_show(struct seq_file *f, void *slot) (ccount_freq/10000) % 100, loops_per_jiffy/(500000/HZ), (loops_per_jiffy/(5000/HZ)) % 100); - - seq_printf(f,"flags\t\t: " + seq_puts(f, "flags\t\t: " #if XCHAL_HAVE_NMI "nmi " #endif diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c index 0693792..74afbf0 100644 --- a/arch/xtensa/kernel/syscall.c +++ b/arch/xtensa/kernel/syscall.c @@ -88,7 +88,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, /* At this point: (!vmm || addr < vmm->vm_end). */ if (TASK_SIZE - len < addr) return -ENOMEM; - if (!vmm || addr + len <= vmm->vm_start) + if (!vmm || addr + len <= vm_start_gap(vmm)) return addr; addr = vmm->vm_end; if (flags & MAP_SHARED) diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S index 30d9fc2..162c77e 100644 --- a/arch/xtensa/kernel/vmlinux.lds.S +++ b/arch/xtensa/kernel/vmlinux.lds.S @@ -118,7 +118,7 @@ SECTIONS SECTION_VECTOR (.KernelExceptionVector.text, KERNEL_VECTOR_VADDR) SECTION_VECTOR (.UserExceptionVector.literal, USER_VECTOR_VADDR - 4) SECTION_VECTOR (.UserExceptionVector.text, USER_VECTOR_VADDR) - SECTION_VECTOR (.DoubleExceptionVector.literal, DOUBLEEXC_VECTOR_VADDR - 48) + SECTION_VECTOR (.DoubleExceptionVector.literal, DOUBLEEXC_VECTOR_VADDR - 20) SECTION_VECTOR (.DoubleExceptionVector.text, DOUBLEEXC_VECTOR_VADDR) #endif @@ -306,13 +306,13 @@ SECTIONS .UserExceptionVector.literal) SECTION_VECTOR (_DoubleExceptionVector_literal, .DoubleExceptionVector.literal, - DOUBLEEXC_VECTOR_VADDR - 48, + DOUBLEEXC_VECTOR_VADDR - 20, SIZEOF(.UserExceptionVector.text), .UserExceptionVector.text) SECTION_VECTOR (_DoubleExceptionVector_text, .DoubleExceptionVector.text, DOUBLEEXC_VECTOR_VADDR, - 48, + 20, .DoubleExceptionVector.literal) . = (LOADADDR( .DoubleExceptionVector.text ) + SIZEOF( .DoubleExceptionVector.text ) + 3) & ~ 3; diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c index 02e94bb..c45b90b 100644 --- a/arch/xtensa/platforms/iss/simdisk.c +++ b/arch/xtensa/platforms/iss/simdisk.c @@ -317,8 +317,7 @@ static int __init simdisk_init(void) if (simdisk_count > MAX_SIMDISK_COUNT) simdisk_count = MAX_SIMDISK_COUNT; - sddev = kmalloc(simdisk_count * sizeof(struct simdisk), - GFP_KERNEL); + sddev = kmalloc_array(simdisk_count, sizeof(*sddev), GFP_KERNEL); if (sddev == NULL) goto out_unregister; diff --git a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h index dbeea2b..1fda7e2 100644 --- a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h +++ b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h @@ -24,16 +24,18 @@ /* Interrupt configuration. */ -#define PLATFORM_NR_IRQS 10 +#define PLATFORM_NR_IRQS 0 /* Default assignment of LX60 devices to external interrupts. */ #ifdef CONFIG_XTENSA_MX #define DUART16552_INTNUM XCHAL_EXTINT3_NUM #define OETH_IRQ XCHAL_EXTINT4_NUM +#define C67X00_IRQ XCHAL_EXTINT8_NUM #else #define DUART16552_INTNUM XCHAL_EXTINT0_NUM #define OETH_IRQ XCHAL_EXTINT1_NUM +#define C67X00_IRQ XCHAL_EXTINT5_NUM #endif /* @@ -63,5 +65,5 @@ #define C67X00_PADDR (XCHAL_KIO_PADDR + 0x0D0D0000) #define C67X00_SIZE 0x10 -#define C67X00_IRQ 5 + #endif /* __XTENSA_XTAVNET_HARDWARE_H */ diff --git a/arch/xtensa/platforms/xtfpga/setup.c b/arch/xtensa/platforms/xtfpga/setup.c index 779be72..42285f3 100644 --- a/arch/xtensa/platforms/xtfpga/setup.c +++ b/arch/xtensa/platforms/xtfpga/setup.c @@ -175,8 +175,8 @@ static struct resource ethoc_res[] = { .flags = IORESOURCE_MEM, }, [2] = { /* IRQ number */ - .start = OETH_IRQ, - .end = OETH_IRQ, + .start = XTENSA_PIC_LINUX_IRQ(OETH_IRQ), + .end = XTENSA_PIC_LINUX_IRQ(OETH_IRQ), .flags = IORESOURCE_IRQ, }, }; @@ -213,8 +213,8 @@ static struct resource c67x00_res[] = { .flags = IORESOURCE_MEM, }, [1] = { /* IRQ number */ - .start = C67X00_IRQ, - .end = C67X00_IRQ, + .start = XTENSA_PIC_LINUX_IRQ(C67X00_IRQ), + .end = XTENSA_PIC_LINUX_IRQ(C67X00_IRQ), .flags = IORESOURCE_IRQ, }, }; @@ -247,7 +247,7 @@ static struct resource serial_resource = { static struct plat_serial8250_port serial_platform_data[] = { [0] = { .mapbase = DUART16552_PADDR, - .irq = DUART16552_INTNUM, + .irq = XTENSA_PIC_LINUX_IRQ(DUART16552_INTNUM), .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP, .iotype = XCHAL_HAVE_BE ? UPIO_MEM32BE : UPIO_MEM32, diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c index c8a32fb..78b2e0d 100644 --- a/block/bfq-cgroup.c +++ b/block/bfq-cgroup.c @@ -52,7 +52,7 @@ BFQG_FLAG_FNS(idling) BFQG_FLAG_FNS(empty) #undef BFQG_FLAG_FNS -/* This should be called with the queue_lock held. */ +/* This should be called with the scheduler lock held. */ static void bfqg_stats_update_group_wait_time(struct bfqg_stats *stats) { unsigned long long now; @@ -67,7 +67,7 @@ static void bfqg_stats_update_group_wait_time(struct bfqg_stats *stats) bfqg_stats_clear_waiting(stats); } -/* This should be called with the queue_lock held. */ +/* This should be called with the scheduler lock held. */ static void bfqg_stats_set_start_group_wait_time(struct bfq_group *bfqg, struct bfq_group *curr_bfqg) { @@ -81,7 +81,7 @@ static void bfqg_stats_set_start_group_wait_time(struct bfq_group *bfqg, bfqg_stats_mark_waiting(stats); } -/* This should be called with the queue_lock held. */ +/* This should be called with the scheduler lock held. */ static void bfqg_stats_end_empty_time(struct bfqg_stats *stats) { unsigned long long now; @@ -203,12 +203,30 @@ struct bfq_group *bfqq_group(struct bfq_queue *bfqq) static void bfqg_get(struct bfq_group *bfqg) { - return blkg_get(bfqg_to_blkg(bfqg)); + bfqg->ref++; } void bfqg_put(struct bfq_group *bfqg) { - return blkg_put(bfqg_to_blkg(bfqg)); + bfqg->ref--; + + if (bfqg->ref == 0) + kfree(bfqg); +} + +static void bfqg_and_blkg_get(struct bfq_group *bfqg) +{ + /* see comments in bfq_bic_update_cgroup for why refcounting bfqg */ + bfqg_get(bfqg); + + blkg_get(bfqg_to_blkg(bfqg)); +} + +void bfqg_and_blkg_put(struct bfq_group *bfqg) +{ + bfqg_put(bfqg); + + blkg_put(bfqg_to_blkg(bfqg)); } void bfqg_stats_update_io_add(struct bfq_group *bfqg, struct bfq_queue *bfqq, @@ -312,7 +330,11 @@ void bfq_init_entity(struct bfq_entity *entity, struct bfq_group *bfqg) if (bfqq) { bfqq->ioprio = bfqq->new_ioprio; bfqq->ioprio_class = bfqq->new_ioprio_class; - bfqg_get(bfqg); + /* + * Make sure that bfqg and its associated blkg do not + * disappear before entity. + */ + bfqg_and_blkg_get(bfqg); } entity->parent = bfqg->my_entity; /* NULL for root group */ entity->sched_data = &bfqg->sched_data; @@ -399,6 +421,8 @@ struct blkg_policy_data *bfq_pd_alloc(gfp_t gfp, int node) return NULL; } + /* see comments in bfq_bic_update_cgroup for why refcounting */ + bfqg_get(bfqg); return &bfqg->pd; } @@ -426,7 +450,7 @@ void bfq_pd_free(struct blkg_policy_data *pd) struct bfq_group *bfqg = pd_to_bfqg(pd); bfqg_stats_exit(&bfqg->stats); - return kfree(bfqg); + bfqg_put(bfqg); } void bfq_pd_reset_stats(struct blkg_policy_data *pd) @@ -496,9 +520,10 @@ struct bfq_group *bfq_find_set_group(struct bfq_data *bfqd, * Move @bfqq to @bfqg, deactivating it from its old group and reactivating * it on the new one. Avoid putting the entity on the old group idle tree. * - * Must be called under the queue lock; the cgroup owning @bfqg must - * not disappear (by now this just means that we are called under - * rcu_read_lock()). + * Must be called under the scheduler lock, to make sure that the blkg + * owning @bfqg does not disappear (see comments in + * bfq_bic_update_cgroup on guaranteeing the consistency of blkg + * objects). */ void bfq_bfqq_move(struct bfq_data *bfqd, struct bfq_queue *bfqq, struct bfq_group *bfqg) @@ -519,16 +544,12 @@ void bfq_bfqq_move(struct bfq_data *bfqd, struct bfq_queue *bfqq, bfq_deactivate_bfqq(bfqd, bfqq, false, false); else if (entity->on_st) bfq_put_idle_entity(bfq_entity_service_tree(entity), entity); - bfqg_put(bfqq_group(bfqq)); + bfqg_and_blkg_put(bfqq_group(bfqq)); - /* - * Here we use a reference to bfqg. We don't need a refcounter - * as the cgroup reference will not be dropped, so that its - * destroy() callback will not be invoked. - */ entity->parent = bfqg->my_entity; entity->sched_data = &bfqg->sched_data; - bfqg_get(bfqg); + /* pin down bfqg and its associated blkg */ + bfqg_and_blkg_get(bfqg); if (bfq_bfqq_busy(bfqq)) { bfq_pos_tree_add_move(bfqd, bfqq); @@ -545,8 +566,9 @@ void bfq_bfqq_move(struct bfq_data *bfqd, struct bfq_queue *bfqq, * @bic: the bic to move. * @blkcg: the blk-cgroup to move to. * - * Move bic to blkcg, assuming that bfqd->queue is locked; the caller - * has to make sure that the reference to cgroup is valid across the call. + * Move bic to blkcg, assuming that bfqd->lock is held; which makes + * sure that the reference to cgroup is valid across the call (see + * comments in bfq_bic_update_cgroup on this issue) * * NOTE: an alternative approach might have been to store the current * cgroup in bfqq and getting a reference to it, reducing the lookup @@ -604,6 +626,57 @@ void bfq_bic_update_cgroup(struct bfq_io_cq *bic, struct bio *bio) goto out; bfqg = __bfq_bic_change_cgroup(bfqd, bic, bio_blkcg(bio)); + /* + * Update blkg_path for bfq_log_* functions. We cache this + * path, and update it here, for the following + * reasons. Operations on blkg objects in blk-cgroup are + * protected with the request_queue lock, and not with the + * lock that protects the instances of this scheduler + * (bfqd->lock). This exposes BFQ to the following sort of + * race. + * + * The blkg_lookup performed in bfq_get_queue, protected + * through rcu, may happen to return the address of a copy of + * the original blkg. If this is the case, then the + * bfqg_and_blkg_get performed in bfq_get_queue, to pin down + * the blkg, is useless: it does not prevent blk-cgroup code + * from destroying both the original blkg and all objects + * directly or indirectly referred by the copy of the + * blkg. + * + * On the bright side, destroy operations on a blkg invoke, as + * a first step, hooks of the scheduler associated with the + * blkg. And these hooks are executed with bfqd->lock held for + * BFQ. As a consequence, for any blkg associated with the + * request queue this instance of the scheduler is attached + * to, we are guaranteed that such a blkg is not destroyed, and + * that all the pointers it contains are consistent, while we + * are holding bfqd->lock. A blkg_lookup performed with + * bfqd->lock held then returns a fully consistent blkg, which + * remains consistent until this lock is held. + * + * Thanks to the last fact, and to the fact that: (1) bfqg has + * been obtained through a blkg_lookup in the above + * assignment, and (2) bfqd->lock is being held, here we can + * safely use the policy data for the involved blkg (i.e., the + * field bfqg->pd) to get to the blkg associated with bfqg, + * and then we can safely use any field of blkg. After we + * release bfqd->lock, even just getting blkg through this + * bfqg may cause dangling references to be traversed, as + * bfqg->pd may not exist any more. + * + * In view of the above facts, here we cache, in the bfqg, any + * blkg data we may need for this bic, and for its associated + * bfq_queue. As of now, we need to cache only the path of the + * blkg, which is used in the bfq_log_* functions. + * + * Finally, note that bfqg itself needs to be protected from + * destruction on the blkg_free of the original blkg (which + * invokes bfq_pd_free). We use an additional private + * refcounter for bfqg, to let it disappear only after no + * bfq_queue refers to it any longer. + */ + blkg_path(bfqg_to_blkg(bfqg), bfqg->blkg_path, sizeof(bfqg->blkg_path)); bic->blkcg_serial_nr = serial_nr; out: rcu_read_unlock(); @@ -640,8 +713,6 @@ static void bfq_reparent_leaf_entity(struct bfq_data *bfqd, * @bfqd: the device data structure with the root group. * @bfqg: the group to move from. * @st: the service tree with the entities. - * - * Needs queue_lock to be taken and reference to be valid over the call. */ static void bfq_reparent_active_entities(struct bfq_data *bfqd, struct bfq_group *bfqg, @@ -692,8 +763,7 @@ void bfq_pd_offline(struct blkg_policy_data *pd) /* * The idle tree may still contain bfq_queues belonging * to exited task because they never migrated to a different - * cgroup from the one being destroyed now. No one else - * can access them so it's safe to act without any lock. + * cgroup from the one being destroyed now. */ bfq_flush_idle_tree(st); diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 08ce450..ed93da2 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -3665,7 +3665,7 @@ void bfq_put_queue(struct bfq_queue *bfqq) kmem_cache_free(bfq_pool, bfqq); #ifdef CONFIG_BFQ_GROUP_IOSCHED - bfqg_put(bfqg); + bfqg_and_blkg_put(bfqg); #endif } diff --git a/block/bfq-iosched.h b/block/bfq-iosched.h index ae783c0..5c3bf98 100644 --- a/block/bfq-iosched.h +++ b/block/bfq-iosched.h @@ -759,6 +759,12 @@ struct bfq_group { /* must be the first member */ struct blkg_policy_data pd; + /* cached path for this blkg (see comments in bfq_bic_update_cgroup) */ + char blkg_path[128]; + + /* reference counter (see comments in bfq_bic_update_cgroup) */ + int ref; + struct bfq_entity entity; struct bfq_sched_data sched_data; @@ -838,7 +844,7 @@ struct bfq_group *bfq_find_set_group(struct bfq_data *bfqd, struct blkcg_gq *bfqg_to_blkg(struct bfq_group *bfqg); struct bfq_group *bfqq_group(struct bfq_queue *bfqq); struct bfq_group *bfq_create_group_hierarchy(struct bfq_data *bfqd, int node); -void bfqg_put(struct bfq_group *bfqg); +void bfqg_and_blkg_put(struct bfq_group *bfqg); #ifdef CONFIG_BFQ_GROUP_IOSCHED extern struct cftype bfq_blkcg_legacy_files[]; @@ -910,20 +916,13 @@ void bfq_add_bfqq_busy(struct bfq_data *bfqd, struct bfq_queue *bfqq); struct bfq_group *bfqq_group(struct bfq_queue *bfqq); #define bfq_log_bfqq(bfqd, bfqq, fmt, args...) do { \ - char __pbuf[128]; \ - \ - blkg_path(bfqg_to_blkg(bfqq_group(bfqq)), __pbuf, sizeof(__pbuf)); \ - blk_add_trace_msg((bfqd)->queue, "bfq%d%c %s " fmt, (bfqq)->pid, \ + blk_add_trace_msg((bfqd)->queue, "bfq%d%c %s " fmt, (bfqq)->pid,\ bfq_bfqq_sync((bfqq)) ? 'S' : 'A', \ - __pbuf, ##args); \ + bfqq_group(bfqq)->blkg_path, ##args); \ } while (0) -#define bfq_log_bfqg(bfqd, bfqg, fmt, args...) do { \ - char __pbuf[128]; \ - \ - blkg_path(bfqg_to_blkg(bfqg), __pbuf, sizeof(__pbuf)); \ - blk_add_trace_msg((bfqd)->queue, "%s " fmt, __pbuf, ##args); \ -} while (0) +#define bfq_log_bfqg(bfqd, bfqg, fmt, args...) \ + blk_add_trace_msg((bfqd)->queue, "%s " fmt, (bfqg)->blkg_path, ##args) #else /* CONFIG_BFQ_GROUP_IOSCHED */ diff --git a/block/bio-integrity.c b/block/bio-integrity.c index 5384713..b5009a8 100644 --- a/block/bio-integrity.c +++ b/block/bio-integrity.c @@ -175,6 +175,9 @@ bool bio_integrity_enabled(struct bio *bio) if (bio_op(bio) != REQ_OP_READ && bio_op(bio) != REQ_OP_WRITE) return false; + if (!bio_sectors(bio)) + return false; + /* Already protected? */ if (bio_integrity(bio)) return false; diff --git a/block/bio.c b/block/bio.c index 888e780..26b0810 100644 --- a/block/bio.c +++ b/block/bio.c @@ -240,20 +240,21 @@ fallback: return bvl; } -static void __bio_free(struct bio *bio) +void bio_uninit(struct bio *bio) { bio_disassociate_task(bio); if (bio_integrity(bio)) bio_integrity_free(bio); } +EXPORT_SYMBOL(bio_uninit); static void bio_free(struct bio *bio) { struct bio_set *bs = bio->bi_pool; void *p; - __bio_free(bio); + bio_uninit(bio); if (bs) { bvec_free(bs->bvec_pool, bio->bi_io_vec, BVEC_POOL_IDX(bio)); @@ -271,6 +272,11 @@ static void bio_free(struct bio *bio) } } +/* + * Users of this function have their own bio allocation. Subsequently, + * they must remember to pair any call to bio_init() with bio_uninit() + * when IO has completed, or when the bio is released. + */ void bio_init(struct bio *bio, struct bio_vec *table, unsigned short max_vecs) { @@ -297,7 +303,7 @@ void bio_reset(struct bio *bio) { unsigned long flags = bio->bi_flags & (~0UL << BIO_RESET_BITS); - __bio_free(bio); + bio_uninit(bio); memset(bio, 0, BIO_RESET_BYTES); bio->bi_flags = flags; diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 7c29471..0480892 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -74,7 +74,7 @@ static void blkg_free(struct blkcg_gq *blkg) blkcg_policy[i]->pd_free_fn(blkg->pd[i]); if (blkg->blkcg != &blkcg_root) - blk_exit_rl(&blkg->rl); + blk_exit_rl(blkg->q, &blkg->rl); blkg_rwstat_exit(&blkg->stat_ios); blkg_rwstat_exit(&blkg->stat_bytes); diff --git a/block/blk-core.c b/block/blk-core.c index c706852..a7421b7 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -648,13 +648,19 @@ int blk_init_rl(struct request_list *rl, struct request_queue *q, if (!rl->rq_pool) return -ENOMEM; + if (rl != &q->root_rl) + WARN_ON_ONCE(!blk_get_queue(q)); + return 0; } -void blk_exit_rl(struct request_list *rl) +void blk_exit_rl(struct request_queue *q, struct request_list *rl) { - if (rl->rq_pool) + if (rl->rq_pool) { mempool_destroy(rl->rq_pool); + if (rl != &q->root_rl) + blk_put_queue(q); + } } struct request_queue *blk_alloc_queue(gfp_t gfp_mask) diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index 1f5b692..0ded5e8 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -68,6 +68,45 @@ static void blk_mq_sched_assign_ioc(struct request_queue *q, __blk_mq_sched_assign_ioc(q, rq, bio, ioc); } +/* + * Mark a hardware queue as needing a restart. For shared queues, maintain + * a count of how many hardware queues are marked for restart. + */ +static void blk_mq_sched_mark_restart_hctx(struct blk_mq_hw_ctx *hctx) +{ + if (test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state)) + return; + + if (hctx->flags & BLK_MQ_F_TAG_SHARED) { + struct request_queue *q = hctx->queue; + + if (!test_and_set_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state)) + atomic_inc(&q->shared_hctx_restart); + } else + set_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); +} + +static bool blk_mq_sched_restart_hctx(struct blk_mq_hw_ctx *hctx) +{ + if (!test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state)) + return false; + + if (hctx->flags & BLK_MQ_F_TAG_SHARED) { + struct request_queue *q = hctx->queue; + + if (test_and_clear_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state)) + atomic_dec(&q->shared_hctx_restart); + } else + clear_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); + + if (blk_mq_hctx_has_pending(hctx)) { + blk_mq_run_hw_queue(hctx, true); + return true; + } + + return false; +} + struct request *blk_mq_sched_get_request(struct request_queue *q, struct bio *bio, unsigned int op, @@ -266,18 +305,6 @@ static bool blk_mq_sched_bypass_insert(struct blk_mq_hw_ctx *hctx, return true; } -static bool blk_mq_sched_restart_hctx(struct blk_mq_hw_ctx *hctx) -{ - if (test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state)) { - clear_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); - if (blk_mq_hctx_has_pending(hctx)) { - blk_mq_run_hw_queue(hctx, true); - return true; - } - } - return false; -} - /** * list_for_each_entry_rcu_rr - iterate in a round-robin fashion over rcu list * @pos: loop cursor. @@ -309,6 +336,13 @@ void blk_mq_sched_restart(struct blk_mq_hw_ctx *const hctx) unsigned int i, j; if (set->flags & BLK_MQ_F_TAG_SHARED) { + /* + * If this is 0, then we know that no hardware queues + * have RESTART marked. We're done. + */ + if (!atomic_read(&queue->shared_hctx_restart)) + return; + rcu_read_lock(); list_for_each_entry_rcu_rr(q, queue, &set->tag_list, tag_set_list) { diff --git a/block/blk-mq-sched.h b/block/blk-mq-sched.h index edafb53..5007ede 100644 --- a/block/blk-mq-sched.h +++ b/block/blk-mq-sched.h @@ -115,15 +115,6 @@ static inline bool blk_mq_sched_has_work(struct blk_mq_hw_ctx *hctx) return false; } -/* - * Mark a hardware queue as needing a restart. - */ -static inline void blk_mq_sched_mark_restart_hctx(struct blk_mq_hw_ctx *hctx) -{ - if (!test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state)) - set_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); -} - static inline bool blk_mq_sched_needs_restart(struct blk_mq_hw_ctx *hctx) { return test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); diff --git a/block/blk-mq.c b/block/blk-mq.c index f2224ffd..958ceda 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -1461,22 +1461,28 @@ static blk_qc_t request_to_qc_t(struct blk_mq_hw_ctx *hctx, struct request *rq) return blk_tag_to_qc_t(rq->internal_tag, hctx->queue_num, true); } -static void __blk_mq_try_issue_directly(struct request *rq, blk_qc_t *cookie, - bool may_sleep) +static void __blk_mq_try_issue_directly(struct blk_mq_hw_ctx *hctx, + struct request *rq, + blk_qc_t *cookie, bool may_sleep) { struct request_queue *q = rq->q; struct blk_mq_queue_data bd = { .rq = rq, .last = true, }; - struct blk_mq_hw_ctx *hctx; blk_qc_t new_cookie; int ret; + bool run_queue = true; + + if (blk_mq_hctx_stopped(hctx)) { + run_queue = false; + goto insert; + } if (q->elevator) goto insert; - if (!blk_mq_get_driver_tag(rq, &hctx, false)) + if (!blk_mq_get_driver_tag(rq, NULL, false)) goto insert; new_cookie = request_to_qc_t(hctx, rq); @@ -1500,7 +1506,7 @@ static void __blk_mq_try_issue_directly(struct request *rq, blk_qc_t *cookie, __blk_mq_requeue_request(rq); insert: - blk_mq_sched_insert_request(rq, false, true, false, may_sleep); + blk_mq_sched_insert_request(rq, false, run_queue, false, may_sleep); } static void blk_mq_try_issue_directly(struct blk_mq_hw_ctx *hctx, @@ -1508,7 +1514,7 @@ static void blk_mq_try_issue_directly(struct blk_mq_hw_ctx *hctx, { if (!(hctx->flags & BLK_MQ_F_BLOCKING)) { rcu_read_lock(); - __blk_mq_try_issue_directly(rq, cookie, false); + __blk_mq_try_issue_directly(hctx, rq, cookie, false); rcu_read_unlock(); } else { unsigned int srcu_idx; @@ -1516,7 +1522,7 @@ static void blk_mq_try_issue_directly(struct blk_mq_hw_ctx *hctx, might_sleep(); srcu_idx = srcu_read_lock(&hctx->queue_rq_srcu); - __blk_mq_try_issue_directly(rq, cookie, true); + __blk_mq_try_issue_directly(hctx, rq, cookie, true); srcu_read_unlock(&hctx->queue_rq_srcu, srcu_idx); } } @@ -1619,9 +1625,12 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio) blk_mq_put_ctx(data.ctx); - if (same_queue_rq) + if (same_queue_rq) { + data.hctx = blk_mq_map_queue(q, + same_queue_rq->mq_ctx->cpu); blk_mq_try_issue_directly(data.hctx, same_queue_rq, &cookie); + } } else if (q->nr_hw_queues > 1 && is_sync) { blk_mq_put_ctx(data.ctx); blk_mq_bio_to_request(rq, bio); @@ -2094,20 +2103,30 @@ static void blk_mq_map_swqueue(struct request_queue *q, } } +/* + * Caller needs to ensure that we're either frozen/quiesced, or that + * the queue isn't live yet. + */ static void queue_set_hctx_shared(struct request_queue *q, bool shared) { struct blk_mq_hw_ctx *hctx; int i; queue_for_each_hw_ctx(q, hctx, i) { - if (shared) + if (shared) { + if (test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state)) + atomic_inc(&q->shared_hctx_restart); hctx->flags |= BLK_MQ_F_TAG_SHARED; - else + } else { + if (test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state)) + atomic_dec(&q->shared_hctx_restart); hctx->flags &= ~BLK_MQ_F_TAG_SHARED; + } } } -static void blk_mq_update_tag_set_depth(struct blk_mq_tag_set *set, bool shared) +static void blk_mq_update_tag_set_depth(struct blk_mq_tag_set *set, + bool shared) { struct request_queue *q; @@ -2641,7 +2660,8 @@ int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr) return ret; } -void blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, int nr_hw_queues) +static void __blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, + int nr_hw_queues) { struct request_queue *q; @@ -2665,6 +2685,13 @@ void blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, int nr_hw_queues) list_for_each_entry(q, &set->tag_list, tag_set_list) blk_mq_unfreeze_queue(q); } + +void blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, int nr_hw_queues) +{ + mutex_lock(&set->tag_list_lock); + __blk_mq_update_nr_hw_queues(set, nr_hw_queues); + mutex_unlock(&set->tag_list_lock); +} EXPORT_SYMBOL_GPL(blk_mq_update_nr_hw_queues); /* Enable polling stats and return whether they were already enabled. */ diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 712b018..27aceab 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -777,24 +777,25 @@ static void blk_free_queue_rcu(struct rcu_head *rcu_head) } /** - * blk_release_queue: - release a &struct request_queue when it is no longer needed - * @kobj: the kobj belonging to the request queue to be released + * __blk_release_queue - release a request queue when it is no longer needed + * @work: pointer to the release_work member of the request queue to be released * * Description: - * blk_release_queue is the pair to blk_init_queue() or - * blk_queue_make_request(). It should be called when a request queue is - * being released; typically when a block device is being de-registered. - * Currently, its primary task it to free all the &struct request - * structures that were allocated to the queue and the queue itself. + * blk_release_queue is the counterpart of blk_init_queue(). It should be + * called when a request queue is being released; typically when a block + * device is being de-registered. Its primary task it to free the queue + * itself. * - * Note: + * Notes: * The low level driver must have finished any outstanding requests first * via blk_cleanup_queue(). - **/ -static void blk_release_queue(struct kobject *kobj) + * + * Although blk_release_queue() may be called with preemption disabled, + * __blk_release_queue() may sleep. + */ +static void __blk_release_queue(struct work_struct *work) { - struct request_queue *q = - container_of(kobj, struct request_queue, kobj); + struct request_queue *q = container_of(work, typeof(*q), release_work); if (test_bit(QUEUE_FLAG_POLL_STATS, &q->queue_flags)) blk_stat_remove_callback(q, q->poll_cb); @@ -809,7 +810,7 @@ static void blk_release_queue(struct kobject *kobj) blk_free_queue_stats(q->stats); - blk_exit_rl(&q->root_rl); + blk_exit_rl(q, &q->root_rl); if (q->queue_tags) __blk_queue_free_tags(q); @@ -834,6 +835,15 @@ static void blk_release_queue(struct kobject *kobj) call_rcu(&q->rcu_head, blk_free_queue_rcu); } +static void blk_release_queue(struct kobject *kobj) +{ + struct request_queue *q = + container_of(kobj, struct request_queue, kobj); + + INIT_WORK(&q->release_work, __blk_release_queue); + schedule_work(&q->release_work); +} + static const struct sysfs_ops queue_sysfs_ops = { .show = queue_attr_show, .store = queue_attr_store, diff --git a/block/blk-throttle.c b/block/blk-throttle.c index fc13dd0..a7285bf 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -27,6 +27,13 @@ static int throtl_quantum = 32; #define MIN_THROTL_IOPS (10) #define DFL_LATENCY_TARGET (-1L) #define DFL_IDLE_THRESHOLD (0) +#define DFL_HD_BASELINE_LATENCY (4000L) /* 4ms */ +#define LATENCY_FILTERED_SSD (0) +/* + * For HD, very small latency comes from sequential IO. Such IO is helpless to + * help determine if its IO is impacted by others, hence we ignore the IO + */ +#define LATENCY_FILTERED_HD (1000L) /* 1ms */ #define SKIP_LATENCY (((u64)1) << BLK_STAT_RES_SHIFT) @@ -212,6 +219,7 @@ struct throtl_data struct avg_latency_bucket avg_buckets[LATENCY_BUCKET_SIZE]; struct latency_bucket __percpu *latency_buckets; unsigned long last_calculate_time; + unsigned long filtered_latency; bool track_bio_latency; }; @@ -698,7 +706,7 @@ static void throtl_dequeue_tg(struct throtl_grp *tg) static void throtl_schedule_pending_timer(struct throtl_service_queue *sq, unsigned long expires) { - unsigned long max_expire = jiffies + 8 * sq_to_tg(sq)->td->throtl_slice; + unsigned long max_expire = jiffies + 8 * sq_to_td(sq)->throtl_slice; /* * Since we are adjusting the throttle limit dynamically, the sleep @@ -2281,7 +2289,7 @@ void blk_throtl_bio_endio(struct bio *bio) throtl_track_latency(tg->td, blk_stat_size(&bio->bi_issue_stat), bio_op(bio), lat); - if (tg->latency_target) { + if (tg->latency_target && lat >= tg->td->filtered_latency) { int bucket; unsigned int threshold; @@ -2417,14 +2425,20 @@ void blk_throtl_exit(struct request_queue *q) void blk_throtl_register_queue(struct request_queue *q) { struct throtl_data *td; + int i; td = q->td; BUG_ON(!td); - if (blk_queue_nonrot(q)) + if (blk_queue_nonrot(q)) { td->throtl_slice = DFL_THROTL_SLICE_SSD; - else + td->filtered_latency = LATENCY_FILTERED_SSD; + } else { td->throtl_slice = DFL_THROTL_SLICE_HD; + td->filtered_latency = LATENCY_FILTERED_HD; + for (i = 0; i < LATENCY_BUCKET_SIZE; i++) + td->avg_buckets[i].latency = DFL_HD_BASELINE_LATENCY; + } #ifndef CONFIG_BLK_DEV_THROTTLING_LOW /* if no low limit, use previous default */ td->throtl_slice = DFL_THROTL_SLICE_HD; diff --git a/block/blk.h b/block/blk.h index 2ed7022..83c8e11 100644 --- a/block/blk.h +++ b/block/blk.h @@ -59,7 +59,7 @@ void blk_free_flush_queue(struct blk_flush_queue *q); int blk_init_rl(struct request_list *rl, struct request_queue *q, gfp_t gfp_mask); -void blk_exit_rl(struct request_list *rl); +void blk_exit_rl(struct request_queue *q, struct request_list *rl); void blk_rq_bio_prep(struct request_queue *q, struct request *rq, struct bio *bio); void blk_queue_bypass_start(struct request_queue *q); diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index da69b07..b7e9c7f 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -38,9 +38,13 @@ static const u64 cfq_target_latency = (u64)NSEC_PER_SEC * 3/10; /* 300 ms */ static const int cfq_hist_divisor = 4; /* - * offset from end of service tree + * offset from end of queue service tree for idle class */ #define CFQ_IDLE_DELAY (NSEC_PER_SEC / 5) +/* offset from end of group service tree under time slice mode */ +#define CFQ_SLICE_MODE_GROUP_DELAY (NSEC_PER_SEC / 5) +/* offset from end of group service under IOPS mode */ +#define CFQ_IOPS_MODE_GROUP_DELAY (HZ / 5) /* * below this threshold, we consider thinktime immediate @@ -1362,6 +1366,14 @@ cfq_group_service_tree_add(struct cfq_rb_root *st, struct cfq_group *cfqg) cfqg->vfraction = max_t(unsigned, vfr, 1); } +static inline u64 cfq_get_cfqg_vdisktime_delay(struct cfq_data *cfqd) +{ + if (!iops_mode(cfqd)) + return CFQ_SLICE_MODE_GROUP_DELAY; + else + return CFQ_IOPS_MODE_GROUP_DELAY; +} + static void cfq_group_notify_queue_add(struct cfq_data *cfqd, struct cfq_group *cfqg) { @@ -1381,7 +1393,8 @@ cfq_group_notify_queue_add(struct cfq_data *cfqd, struct cfq_group *cfqg) n = rb_last(&st->rb); if (n) { __cfqg = rb_entry_cfqg(n); - cfqg->vdisktime = __cfqg->vdisktime + CFQ_IDLE_DELAY; + cfqg->vdisktime = __cfqg->vdisktime + + cfq_get_cfqg_vdisktime_delay(cfqd); } else cfqg->vdisktime = st->min_vdisktime; cfq_group_service_tree_add(st, cfqg); diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c index d3a989e..3cd6e12 100644 --- a/crypto/asymmetric_keys/public_key.c +++ b/crypto/asymmetric_keys/public_key.c @@ -141,7 +141,7 @@ int public_key_verify_signature(const struct public_key *pkey, * signature and returns that to us. */ ret = crypto_akcipher_verify(req); - if (ret == -EINPROGRESS) { + if ((ret == -EINPROGRESS) || (ret == -EBUSY)) { wait_for_completion(&compl.completion); ret = compl.err; } diff --git a/crypto/asymmetric_keys/verify_pefile.c b/crypto/asymmetric_keys/verify_pefile.c index 672a94c..d178650 100644 --- a/crypto/asymmetric_keys/verify_pefile.c +++ b/crypto/asymmetric_keys/verify_pefile.c @@ -381,7 +381,7 @@ static int pefile_digest_pe(const void *pebuf, unsigned int pelen, } error: - kfree(desc); + kzfree(desc); error_no_desc: crypto_free_shash(tfm); kleave(" = %d", ret); @@ -450,6 +450,6 @@ int verify_pefile_signature(const void *pebuf, unsigned pelen, ret = pefile_digest_pe(pebuf, pelen, &ctx); error: - kfree(ctx.digest); + kzfree(ctx.digest); return ret; } diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c index c80765b..dd03fea 100644 --- a/crypto/asymmetric_keys/x509_cert_parser.c +++ b/crypto/asymmetric_keys/x509_cert_parser.c @@ -102,6 +102,7 @@ struct x509_certificate *x509_cert_parse(const void *data, size_t datalen) } } + ret = -ENOMEM; cert->pub->key = kmemdup(ctx->key, ctx->key_size, GFP_KERNEL); if (!cert->pub->key) goto error_decode; diff --git a/crypto/drbg.c b/crypto/drbg.c index fa749f4..cdb27ac 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -1767,9 +1767,8 @@ static int drbg_kcapi_sym_ctr(struct drbg_state *drbg, break; case -EINPROGRESS: case -EBUSY: - ret = wait_for_completion_interruptible( - &drbg->ctr_completion); - if (!ret && !drbg->ctr_async_err) { + wait_for_completion(&drbg->ctr_completion); + if (!drbg->ctr_async_err) { reinit_completion(&drbg->ctr_completion); break; } diff --git a/crypto/gcm.c b/crypto/gcm.c index b7ad808..3841b5e 100644 --- a/crypto/gcm.c +++ b/crypto/gcm.c @@ -152,10 +152,8 @@ static int crypto_gcm_setkey(struct crypto_aead *aead, const u8 *key, err = crypto_skcipher_encrypt(&data->req); if (err == -EINPROGRESS || err == -EBUSY) { - err = wait_for_completion_interruptible( - &data->result.completion); - if (!err) - err = data->result.err; + wait_for_completion(&data->result.completion); + err = data->result.err; } if (err) diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 5a968a7..0d2e989 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -416,13 +416,18 @@ acpi_tb_get_table(struct acpi_table_desc *table_desc, } } - table_desc->validation_count++; - if (table_desc->validation_count == 0) { - ACPI_ERROR((AE_INFO, - "Table %p, Validation count is zero after increment\n", - table_desc)); - table_desc->validation_count--; - return_ACPI_STATUS(AE_LIMIT); + if (table_desc->validation_count < ACPI_MAX_TABLE_VALIDATIONS) { + table_desc->validation_count++; + + /* + * Detect validation_count overflows to ensure that the warning + * message will only be printed once. + */ + if (table_desc->validation_count >= ACPI_MAX_TABLE_VALIDATIONS) { + ACPI_WARNING((AE_INFO, + "Table %p, Validation count overflows\n", + table_desc)); + } } *out_table = table_desc->pointer; @@ -449,13 +454,20 @@ void acpi_tb_put_table(struct acpi_table_desc *table_desc) ACPI_FUNCTION_TRACE(acpi_tb_put_table); - if (table_desc->validation_count == 0) { - ACPI_WARNING((AE_INFO, - "Table %p, Validation count is zero before decrement\n", - table_desc)); - return_VOID; + if (table_desc->validation_count < ACPI_MAX_TABLE_VALIDATIONS) { + table_desc->validation_count--; + + /* + * Detect validation_count underflows to ensure that the warning + * message will only be printed once. + */ + if (table_desc->validation_count >= ACPI_MAX_TABLE_VALIDATIONS) { + ACPI_WARNING((AE_INFO, + "Table %p, Validation count underflows\n", + table_desc)); + return_VOID; + } } - table_desc->validation_count--; if (table_desc->validation_count == 0) { diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c index e0587c8..ff096d9 100644 --- a/drivers/acpi/acpica/utresrc.c +++ b/drivers/acpi/acpica/utresrc.c @@ -474,15 +474,6 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state, return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); } - /* - * The end_tag opcode must be followed by a zero byte. - * Although this byte is technically defined to be a checksum, - * in practice, all ASL compilers set this byte to zero. - */ - if (*(aml + 1) != 0) { - return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); - } - /* Return the pointer to the end_tag if requested */ if (!user_function) { diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c index c5fecf9..797b28d 100644 --- a/drivers/acpi/arm64/iort.c +++ b/drivers/acpi/arm64/iort.c @@ -666,14 +666,6 @@ static const struct iommu_ops *iort_iommu_xlate(struct device *dev, int ret = -ENODEV; struct fwnode_handle *iort_fwnode; - /* - * If we already translated the fwspec there - * is nothing left to do, return the iommu_ops. - */ - ops = iort_fwspec_iommu_ops(dev->iommu_fwspec); - if (ops) - return ops; - if (node) { iort_fwnode = iort_get_fwnode(node); if (!iort_fwnode) @@ -735,6 +727,14 @@ const struct iommu_ops *iort_iommu_configure(struct device *dev) u32 streamid = 0; int err; + /* + * If we already translated the fwspec there + * is nothing left to do, return the iommu_ops. + */ + ops = iort_fwspec_iommu_ops(dev->iommu_fwspec); + if (ops) + return ops; + if (dev_is_pci(dev)) { struct pci_bus *bus = to_pci_dev(dev)->bus; u32 rid; @@ -782,6 +782,12 @@ const struct iommu_ops *iort_iommu_configure(struct device *dev) if (err) ops = ERR_PTR(err); + /* Ignore all other errors apart from EPROBE_DEFER */ + if (IS_ERR(ops) && (PTR_ERR(ops) != -EPROBE_DEFER)) { + dev_dbg(dev, "Adding to IOMMU failed: %ld\n", PTR_ERR(ops)); + ops = NULL; + } + return ops; } diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index a9a9ab3..d42eeef 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -782,7 +782,7 @@ static int acpi_battery_update(struct acpi_battery *battery, bool resume) if ((battery->state & ACPI_BATTERY_STATE_CRITICAL) || (test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags) && (battery->capacity_now <= battery->alarm))) - pm_wakeup_hard_event(&battery->device->dev); + pm_wakeup_event(&battery->device->dev, 0); return result; } diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 25aba9b..e19f530 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -113,7 +113,7 @@ struct acpi_button { static BLOCKING_NOTIFIER_HEAD(acpi_lid_notifier); static struct acpi_device *lid_device; -static u8 lid_init_state = ACPI_BUTTON_LID_INIT_OPEN; +static u8 lid_init_state = ACPI_BUTTON_LID_INIT_METHOD; static unsigned long lid_report_interval __read_mostly = 500; module_param(lid_report_interval, ulong, 0644); @@ -217,7 +217,7 @@ static int acpi_lid_notify_state(struct acpi_device *device, int state) } if (state) - pm_wakeup_hard_event(&device->dev); + pm_wakeup_event(&device->dev, 0); ret = blocking_notifier_call_chain(&acpi_lid_notifier, state, device); if (ret == NOTIFY_DONE) @@ -402,7 +402,7 @@ static void acpi_button_notify(struct acpi_device *device, u32 event) } else { int keycode; - pm_wakeup_hard_event(&device->dev); + pm_wakeup_event(&device->dev, 0); if (button->suspended) break; @@ -534,7 +534,6 @@ static int acpi_button_add(struct acpi_device *device) lid_device = device; } - device_init_wakeup(&device->dev, true); printk(KERN_INFO PREFIX "%s [%s]\n", name, acpi_device_bid(device)); return 0; diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index 798d500..993fd31 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -24,7 +24,6 @@ #include <linux/pm_qos.h> #include <linux/pm_domain.h> #include <linux/pm_runtime.h> -#include <linux/suspend.h> #include "internal.h" @@ -400,7 +399,7 @@ static void acpi_pm_notify_handler(acpi_handle handle, u32 val, void *not_used) mutex_lock(&acpi_pm_notifier_lock); if (adev->wakeup.flags.notifier_present) { - pm_wakeup_ws_event(adev->wakeup.ws, 0, true); + __pm_wakeup_event(adev->wakeup.ws, 0); if (adev->wakeup.context.work.func) queue_pm_work(&adev->wakeup.context.work); } diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index e39ec7b..d531629 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1371,8 +1371,8 @@ int acpi_dma_configure(struct device *dev, enum dev_dma_attr attr) iort_set_dma_mask(dev); iommu = iort_iommu_configure(dev); - if (IS_ERR(iommu)) - return PTR_ERR(iommu); + if (IS_ERR(iommu) && PTR_ERR(iommu) == -EPROBE_DEFER) + return -EPROBE_DEFER; size = max(dev->coherent_dma_mask, dev->coherent_dma_mask + 1); /* @@ -1428,6 +1428,37 @@ static void acpi_init_coherency(struct acpi_device *adev) adev->flags.coherent_dma = cca; } +static int acpi_check_spi_i2c_slave(struct acpi_resource *ares, void *data) +{ + bool *is_spi_i2c_slave_p = data; + + if (ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) + return 1; + + /* + * devices that are connected to UART still need to be enumerated to + * platform bus + */ + if (ares->data.common_serial_bus.type != ACPI_RESOURCE_SERIAL_TYPE_UART) + *is_spi_i2c_slave_p = true; + + /* no need to do more checking */ + return -1; +} + +static bool acpi_is_spi_i2c_slave(struct acpi_device *device) +{ + struct list_head resource_list; + bool is_spi_i2c_slave = false; + + INIT_LIST_HEAD(&resource_list); + acpi_dev_get_resources(device, &resource_list, acpi_check_spi_i2c_slave, + &is_spi_i2c_slave); + acpi_dev_free_resource_list(&resource_list); + + return is_spi_i2c_slave; +} + void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, int type, unsigned long long sta) { @@ -1443,6 +1474,7 @@ void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, acpi_bus_get_flags(device); device->flags.match_driver = false; device->flags.initialized = true; + device->flags.spi_i2c_slave = acpi_is_spi_i2c_slave(device); acpi_device_clear_enumerated(device); device_initialize(&device->dev); dev_set_uevent_suppress(&device->dev, true); @@ -1727,38 +1759,13 @@ static acpi_status acpi_bus_check_add(acpi_handle handle, u32 lvl_not_used, return AE_OK; } -static int acpi_check_spi_i2c_slave(struct acpi_resource *ares, void *data) -{ - bool *is_spi_i2c_slave_p = data; - - if (ares->type != ACPI_RESOURCE_TYPE_SERIAL_BUS) - return 1; - - /* - * devices that are connected to UART still need to be enumerated to - * platform bus - */ - if (ares->data.common_serial_bus.type != ACPI_RESOURCE_SERIAL_TYPE_UART) - *is_spi_i2c_slave_p = true; - - /* no need to do more checking */ - return -1; -} - static void acpi_default_enumeration(struct acpi_device *device) { - struct list_head resource_list; - bool is_spi_i2c_slave = false; - /* * Do not enumerate SPI/I2C slaves as they will be enumerated by their * respective parents. */ - INIT_LIST_HEAD(&resource_list); - acpi_dev_get_resources(device, &resource_list, acpi_check_spi_i2c_slave, - &is_spi_i2c_slave); - acpi_dev_free_resource_list(&resource_list); - if (!is_spi_i2c_slave) { + if (!device->flags.spi_i2c_slave) { acpi_create_platform_device(device, NULL); acpi_device_set_enumerated(device); } else { @@ -1854,7 +1861,7 @@ static void acpi_bus_attach(struct acpi_device *device) return; device->flags.match_driver = true; - if (ret > 0) { + if (ret > 0 && !device->flags.spi_i2c_slave) { acpi_device_set_enumerated(device); goto ok; } @@ -1863,10 +1870,10 @@ static void acpi_bus_attach(struct acpi_device *device) if (ret < 0) return; - if (device->pnp.type.platform_id) - acpi_default_enumeration(device); - else + if (!device->pnp.type.platform_id && !device->flags.spi_i2c_slave) acpi_device_set_enumerated(device); + else + acpi_default_enumeration(device); ok: list_for_each_entry(child, &device->children, node) diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index a6574d6..097d630 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -663,40 +663,14 @@ static int acpi_freeze_prepare(void) acpi_os_wait_events_complete(); if (acpi_sci_irq_valid()) enable_irq_wake(acpi_sci_irq); - return 0; } -static void acpi_freeze_wake(void) -{ - /* - * If IRQD_WAKEUP_ARMED is not set for the SCI at this point, it means - * that the SCI has triggered while suspended, so cancel the wakeup in - * case it has not been a wakeup event (the GPEs will be checked later). - */ - if (acpi_sci_irq_valid() && - !irqd_is_wakeup_armed(irq_get_irq_data(acpi_sci_irq))) - pm_system_cancel_wakeup(); -} - -static void acpi_freeze_sync(void) -{ - /* - * Process all pending events in case there are any wakeup ones. - * - * The EC driver uses the system workqueue, so that one needs to be - * flushed too. - */ - acpi_os_wait_events_complete(); - flush_scheduled_work(); -} - static void acpi_freeze_restore(void) { acpi_disable_wakeup_devices(ACPI_STATE_S0); if (acpi_sci_irq_valid()) disable_irq_wake(acpi_sci_irq); - acpi_enable_all_runtime_gpes(); } @@ -708,8 +682,6 @@ static void acpi_freeze_end(void) static const struct platform_freeze_ops acpi_freeze_ops = { .begin = acpi_freeze_begin, .prepare = acpi_freeze_prepare, - .wake = acpi_freeze_wake, - .sync = acpi_freeze_sync, .restore = acpi_freeze_restore, .end = acpi_freeze_end, }; diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c index 1b5ee1e..e414fab 100644 --- a/drivers/acpi/sysfs.c +++ b/drivers/acpi/sysfs.c @@ -333,14 +333,17 @@ static ssize_t acpi_table_show(struct file *filp, struct kobject *kobj, container_of(bin_attr, struct acpi_table_attr, attr); struct acpi_table_header *table_header = NULL; acpi_status status; + ssize_t rc; status = acpi_get_table(table_attr->name, table_attr->instance, &table_header); if (ACPI_FAILURE(status)) return -ENODEV; - return memory_read_from_buffer(buf, count, &offset, - table_header, table_header->length); + rc = memory_read_from_buffer(buf, count, &offset, table_header, + table_header->length); + acpi_put_table(table_header); + return rc; } static int acpi_table_attr_init(struct kobject *tables_obj, diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 2fc5240..c699540 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1364,6 +1364,40 @@ static inline void ahci_gtf_filter_workaround(struct ata_host *host) {} #endif +/* + * On the Acer Aspire Switch Alpha 12, sometimes all SATA ports are detected + * as DUMMY, or detected but eventually get a "link down" and never get up + * again. When this happens, CAP.NP may hold a value of 0x00 or 0x01, and the + * port_map may hold a value of 0x00. + * + * Overriding CAP.NP to 0x02 and the port_map to 0x7 will reveal all 3 ports + * and can significantly reduce the occurrence of the problem. + * + * https://bugzilla.kernel.org/show_bug.cgi?id=189471 + */ +static void acer_sa5_271_workaround(struct ahci_host_priv *hpriv, + struct pci_dev *pdev) +{ + static const struct dmi_system_id sysids[] = { + { + .ident = "Acer Switch Alpha 12", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Acer"), + DMI_MATCH(DMI_PRODUCT_NAME, "Switch SA5-271") + }, + }, + { } + }; + + if (dmi_check_system(sysids)) { + dev_info(&pdev->dev, "enabling Acer Switch Alpha 12 workaround\n"); + if ((hpriv->saved_cap & 0xC734FF00) == 0xC734FF00) { + hpriv->port_map = 0x7; + hpriv->cap = 0xC734FF02; + } + } +} + #ifdef CONFIG_ARM64 /* * Due to ERRATA#22536, ThunderX needs to handle HOST_IRQ_STAT differently. @@ -1636,6 +1670,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) "online status unreliable, applying workaround\n"); } + + /* Acer SA5-271 workaround modifies private_data */ + acer_sa5_271_workaround(hpriv, pdev); + /* CAP.NP sometimes indicate the index of the last enabled * port, at other times, that of the last possible port, so * determining the maximum port number requires looking at diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c index aaa761b..cd2eab6 100644 --- a/drivers/ata/libahci_platform.c +++ b/drivers/ata/libahci_platform.c @@ -514,8 +514,9 @@ int ahci_platform_init_host(struct platform_device *pdev, irq = platform_get_irq(pdev, 0); if (irq <= 0) { - dev_err(dev, "no irq\n"); - return -EINVAL; + if (irq != -EPROBE_DEFER) + dev_err(dev, "no irq\n"); + return irq; } hpriv->irq = irq; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 2d83b8c..e157a0e 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -6800,7 +6800,7 @@ static int __init ata_parse_force_one(char **cur, } force_ent->port = simple_strtoul(id, &endp, 10); - if (p == endp || *endp != '\0') { + if (id == endp || *endp != '\0') { *reason = "invalid port/link"; return -EINVAL; } diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index b66bcda..3b2246d 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -4067,7 +4067,6 @@ static int mv_platform_probe(struct platform_device *pdev) struct ata_host *host; struct mv_host_priv *hpriv; struct resource *res; - void __iomem *mmio; int n_ports = 0, irq = 0; int rc; int port; @@ -4086,9 +4085,8 @@ static int mv_platform_probe(struct platform_device *pdev) * Get the register base first */ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - mmio = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(mmio)) - return PTR_ERR(mmio); + if (res == NULL) + return -EINVAL; /* allocate host */ if (pdev->dev.of_node) { @@ -4132,7 +4130,12 @@ static int mv_platform_probe(struct platform_device *pdev) hpriv->board_idx = chip_soc; host->iomap = NULL; - hpriv->base = mmio - SATAHC0_REG_BASE; + hpriv->base = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); + if (!hpriv->base) + return -ENOMEM; + + hpriv->base -= SATAHC0_REG_BASE; hpriv->clk = clk_get(&pdev->dev, NULL); if (IS_ERR(hpriv->clk)) diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index 5d38245..b7939a2 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -890,7 +890,10 @@ static int sata_rcar_probe(struct platform_device *pdev) dev_err(&pdev->dev, "failed to get access to sata clock\n"); return PTR_ERR(priv->clk); } - clk_prepare_enable(priv->clk); + + ret = clk_prepare_enable(priv->clk); + if (ret) + return ret; host = ata_host_alloc(&pdev->dev, 1); if (!host) { @@ -970,8 +973,11 @@ static int sata_rcar_resume(struct device *dev) struct ata_host *host = dev_get_drvdata(dev); struct sata_rcar_priv *priv = host->private_data; void __iomem *base = priv->base; + int ret; - clk_prepare_enable(priv->clk); + ret = clk_prepare_enable(priv->clk); + if (ret) + return ret; /* ack and mask */ iowrite32(0, base + SATAINTSTAT_REG); @@ -988,8 +994,11 @@ static int sata_rcar_restore(struct device *dev) { struct ata_host *host = dev_get_drvdata(dev); struct sata_rcar_priv *priv = host->private_data; + int ret; - clk_prepare_enable(priv->clk); + ret = clk_prepare_enable(priv->clk); + if (ret) + return ret; sata_rcar_setup_port(host); diff --git a/drivers/base/base.h b/drivers/base/base.h index e19b100..539432a 100644 --- a/drivers/base/base.h +++ b/drivers/base/base.h @@ -126,11 +126,6 @@ extern int driver_add_groups(struct device_driver *drv, extern void driver_remove_groups(struct device_driver *drv, const struct attribute_group **groups); -extern int device_add_groups(struct device *dev, - const struct attribute_group **groups); -extern void device_remove_groups(struct device *dev, - const struct attribute_group **groups); - extern char *make_class_name(const char *name, struct kobject *kobj); extern int devres_release_all(struct device *dev); diff --git a/drivers/base/core.c b/drivers/base/core.c index bbecaf9..0972353 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -1026,12 +1026,144 @@ int device_add_groups(struct device *dev, const struct attribute_group **groups) { return sysfs_create_groups(&dev->kobj, groups); } +EXPORT_SYMBOL_GPL(device_add_groups); void device_remove_groups(struct device *dev, const struct attribute_group **groups) { sysfs_remove_groups(&dev->kobj, groups); } +EXPORT_SYMBOL_GPL(device_remove_groups); + +union device_attr_group_devres { + const struct attribute_group *group; + const struct attribute_group **groups; +}; + +static int devm_attr_group_match(struct device *dev, void *res, void *data) +{ + return ((union device_attr_group_devres *)res)->group == data; +} + +static void devm_attr_group_remove(struct device *dev, void *res) +{ + union device_attr_group_devres *devres = res; + const struct attribute_group *group = devres->group; + + dev_dbg(dev, "%s: removing group %p\n", __func__, group); + sysfs_remove_group(&dev->kobj, group); +} + +static void devm_attr_groups_remove(struct device *dev, void *res) +{ + union device_attr_group_devres *devres = res; + const struct attribute_group **groups = devres->groups; + + dev_dbg(dev, "%s: removing groups %p\n", __func__, groups); + sysfs_remove_groups(&dev->kobj, groups); +} + +/** + * devm_device_add_group - given a device, create a managed attribute group + * @dev: The device to create the group for + * @grp: The attribute group to create + * + * This function creates a group for the first time. It will explicitly + * warn and error if any of the attribute files being created already exist. + * + * Returns 0 on success or error code on failure. + */ +int devm_device_add_group(struct device *dev, const struct attribute_group *grp) +{ + union device_attr_group_devres *devres; + int error; + + devres = devres_alloc(devm_attr_group_remove, + sizeof(*devres), GFP_KERNEL); + if (!devres) + return -ENOMEM; + + error = sysfs_create_group(&dev->kobj, grp); + if (error) { + devres_free(devres); + return error; + } + + devres->group = grp; + devres_add(dev, devres); + return 0; +} +EXPORT_SYMBOL_GPL(devm_device_add_group); + +/** + * devm_device_remove_group: remove a managed group from a device + * @dev: device to remove the group from + * @grp: group to remove + * + * This function removes a group of attributes from a device. The attributes + * previously have to have been created for this group, otherwise it will fail. + */ +void devm_device_remove_group(struct device *dev, + const struct attribute_group *grp) +{ + WARN_ON(devres_release(dev, devm_attr_group_remove, + devm_attr_group_match, + /* cast away const */ (void *)grp)); +} +EXPORT_SYMBOL_GPL(devm_device_remove_group); + +/** + * devm_device_add_groups - create a bunch of managed attribute groups + * @dev: The device to create the group for + * @groups: The attribute groups to create, NULL terminated + * + * This function creates a bunch of managed attribute groups. If an error + * occurs when creating a group, all previously created groups will be + * removed, unwinding everything back to the original state when this + * function was called. It will explicitly warn and error if any of the + * attribute files being created already exist. + * + * Returns 0 on success or error code from sysfs_create_group on failure. + */ +int devm_device_add_groups(struct device *dev, + const struct attribute_group **groups) +{ + union device_attr_group_devres *devres; + int error; + + devres = devres_alloc(devm_attr_groups_remove, + sizeof(*devres), GFP_KERNEL); + if (!devres) + return -ENOMEM; + + error = sysfs_create_groups(&dev->kobj, groups); + if (error) { + devres_free(devres); + return error; + } + + devres->groups = groups; + devres_add(dev, devres); + return 0; +} +EXPORT_SYMBOL_GPL(devm_device_add_groups); + +/** + * devm_device_remove_groups - remove a list of managed groups + * + * @dev: The device for the groups to be removed from + * @groups: NULL terminated list of groups to be removed + * + * If groups is not NULL, remove the specified groups from the device. + */ +void devm_device_remove_groups(struct device *dev, + const struct attribute_group **groups) +{ + WARN_ON(devres_release(dev, devm_attr_groups_remove, + devm_attr_group_match, + /* cast away const */ (void *)groups)); +} +EXPORT_SYMBOL_GPL(devm_device_remove_groups); static int device_add_attrs(struct device *dev) { diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 4882f06..c17fefc 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -259,6 +259,8 @@ static void driver_bound(struct device *dev) if (dev->bus) blocking_notifier_call_chain(&dev->bus->p->bus_notifier, BUS_NOTIFY_BOUND_DRIVER, dev); + + kobject_uevent(&dev->kobj, KOBJ_BIND); } static int driver_sysfs_add(struct device *dev) @@ -848,6 +850,8 @@ static void __device_release_driver(struct device *dev, struct device *parent) blocking_notifier_call_chain(&dev->bus->p->bus_notifier, BUS_NOTIFY_UNBOUND_DRIVER, dev); + + kobject_uevent(&dev->kobj, KOBJ_UNBIND); } } diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index e987a6f..9faee1c 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -1091,6 +1091,11 @@ static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool a if (async_error) goto Complete; + if (pm_wakeup_pending()) { + async_error = -EBUSY; + goto Complete; + } + if (dev->power.syscore || dev->power.direct_complete) goto Complete; diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c index 9c36b27..c313b60 100644 --- a/drivers/base/power/wakeup.c +++ b/drivers/base/power/wakeup.c @@ -28,8 +28,8 @@ bool events_check_enabled __read_mostly; /* First wakeup IRQ seen by the kernel in the last cycle. */ unsigned int pm_wakeup_irq __read_mostly; -/* If greater than 0 and the system is suspending, terminate the suspend. */ -static atomic_t pm_abort_suspend __read_mostly; +/* If set and the system is suspending, terminate the suspend. */ +static bool pm_abort_suspend __read_mostly; /* * Combined counters of registered wakeup events and wakeup events in progress. @@ -855,26 +855,20 @@ bool pm_wakeup_pending(void) pm_print_active_wakeup_sources(); } - return ret || atomic_read(&pm_abort_suspend) > 0; + return ret || pm_abort_suspend; } void pm_system_wakeup(void) { - atomic_inc(&pm_abort_suspend); + pm_abort_suspend = true; freeze_wake(); } EXPORT_SYMBOL_GPL(pm_system_wakeup); -void pm_system_cancel_wakeup(void) -{ - atomic_dec(&pm_abort_suspend); -} - -void pm_wakeup_clear(bool reset) +void pm_wakeup_clear(void) { + pm_abort_suspend = false; pm_wakeup_irq = 0; - if (reset) - atomic_set(&pm_abort_suspend, 0); } void pm_system_irq_wakeup(unsigned int irq_number) diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 28d9329..ebbd0c3 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -608,6 +608,9 @@ static int loop_switch(struct loop_device *lo, struct file *file) */ static int loop_flush(struct loop_device *lo) { + /* loop not yet configured, no running thread, nothing to flush */ + if (lo->lo_state != Lo_bound) + return 0; return loop_switch(lo, NULL); } diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 9a7bb2c..f3f191b 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -937,14 +937,6 @@ static int nbd_reconnect_socket(struct nbd_device *nbd, unsigned long arg) return -ENOSPC; } -/* Reset all properties of an NBD device */ -static void nbd_reset(struct nbd_device *nbd) -{ - nbd->config = NULL; - nbd->tag_set.timeout = 0; - queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, nbd->disk->queue); -} - static void nbd_bdev_reset(struct block_device *bdev) { if (bdev->bd_openers > 1) @@ -1029,7 +1021,11 @@ static void nbd_config_put(struct nbd_device *nbd) } kfree(config->socks); } - nbd_reset(nbd); + kfree(nbd->config); + nbd->config = NULL; + + nbd->tag_set.timeout = 0; + queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, nbd->disk->queue); mutex_unlock(&nbd->config_lock); nbd_put(nbd); @@ -1483,7 +1479,6 @@ static int nbd_dev_add(int index) disk->fops = &nbd_fops; disk->private_data = nbd; sprintf(disk->disk_name, "nbd%d", index); - nbd_reset(nbd); add_disk(disk); nbd_total_devices++; return index; diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 454bf9c..c16f745 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -4023,6 +4023,7 @@ static void rbd_queue_workfn(struct work_struct *work) switch (req_op(rq)) { case REQ_OP_DISCARD: + case REQ_OP_WRITE_ZEROES: op_type = OBJ_OP_DISCARD; break; case REQ_OP_WRITE: @@ -4420,6 +4421,7 @@ static int rbd_init_disk(struct rbd_device *rbd_dev) q->limits.discard_granularity = segment_size; q->limits.discard_alignment = segment_size; blk_queue_max_discard_sectors(q, segment_size / SECTOR_SIZE); + blk_queue_max_write_zeroes_sectors(q, segment_size / SECTOR_SIZE); if (!ceph_test_opt(rbd_dev->rbd_client->client, NOCRC)) q->backing_dev_info->capabilities |= BDI_CAP_STABLE_WRITES; diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 726c32e..0e82409 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -609,8 +609,6 @@ int xen_blkif_schedule(void *arg) unsigned long timeout; int ret; - xen_blkif_get(blkif); - set_freezable(); while (!kthread_should_stop()) { if (try_to_freeze()) @@ -665,7 +663,6 @@ purge_gnt_list: print_stats(ring); ring->xenblkd = NULL; - xen_blkif_put(blkif); return 0; } @@ -1436,34 +1433,35 @@ static int dispatch_rw_block_io(struct xen_blkif_ring *ring, static void make_response(struct xen_blkif_ring *ring, u64 id, unsigned short op, int st) { - struct blkif_response resp; + struct blkif_response *resp; unsigned long flags; union blkif_back_rings *blk_rings; int notify; - resp.id = id; - resp.operation = op; - resp.status = st; - spin_lock_irqsave(&ring->blk_ring_lock, flags); blk_rings = &ring->blk_rings; /* Place on the response ring for the relevant domain. */ switch (ring->blkif->blk_protocol) { case BLKIF_PROTOCOL_NATIVE: - memcpy(RING_GET_RESPONSE(&blk_rings->native, blk_rings->native.rsp_prod_pvt), - &resp, sizeof(resp)); + resp = RING_GET_RESPONSE(&blk_rings->native, + blk_rings->native.rsp_prod_pvt); break; case BLKIF_PROTOCOL_X86_32: - memcpy(RING_GET_RESPONSE(&blk_rings->x86_32, blk_rings->x86_32.rsp_prod_pvt), - &resp, sizeof(resp)); + resp = RING_GET_RESPONSE(&blk_rings->x86_32, + blk_rings->x86_32.rsp_prod_pvt); break; case BLKIF_PROTOCOL_X86_64: - memcpy(RING_GET_RESPONSE(&blk_rings->x86_64, blk_rings->x86_64.rsp_prod_pvt), - &resp, sizeof(resp)); + resp = RING_GET_RESPONSE(&blk_rings->x86_64, + blk_rings->x86_64.rsp_prod_pvt); break; default: BUG(); } + + resp->id = id; + resp->operation = op; + resp->status = st; + blk_rings->common.rsp_prod_pvt++; RING_PUSH_RESPONSES_AND_CHECK_NOTIFY(&blk_rings->common, notify); spin_unlock_irqrestore(&ring->blk_ring_lock, flags); diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index dea61f6..ecb35fe 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -75,9 +75,8 @@ extern unsigned int xenblk_max_queues; struct blkif_common_request { char dummy; }; -struct blkif_common_response { - char dummy; -}; + +/* i386 protocol version */ struct blkif_x86_32_request_rw { uint8_t nr_segments; /* number of segments */ @@ -129,14 +128,6 @@ struct blkif_x86_32_request { } u; } __attribute__((__packed__)); -/* i386 protocol version */ -#pragma pack(push, 4) -struct blkif_x86_32_response { - uint64_t id; /* copied from request */ - uint8_t operation; /* copied from request */ - int16_t status; /* BLKIF_RSP_??? */ -}; -#pragma pack(pop) /* x86_64 protocol version */ struct blkif_x86_64_request_rw { @@ -193,18 +184,12 @@ struct blkif_x86_64_request { } u; } __attribute__((__packed__)); -struct blkif_x86_64_response { - uint64_t __attribute__((__aligned__(8))) id; - uint8_t operation; /* copied from request */ - int16_t status; /* BLKIF_RSP_??? */ -}; - DEFINE_RING_TYPES(blkif_common, struct blkif_common_request, - struct blkif_common_response); + struct blkif_response); DEFINE_RING_TYPES(blkif_x86_32, struct blkif_x86_32_request, - struct blkif_x86_32_response); + struct blkif_response __packed); DEFINE_RING_TYPES(blkif_x86_64, struct blkif_x86_64_request, - struct blkif_x86_64_response); + struct blkif_response); union blkif_back_rings { struct blkif_back_ring native; @@ -281,6 +266,7 @@ struct xen_blkif_ring { wait_queue_head_t wq; atomic_t inflight; + bool active; /* One thread per blkif ring. */ struct task_struct *xenblkd; unsigned int waiting_reqs; diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 1f3dfaa..792da68 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -159,7 +159,7 @@ static int xen_blkif_alloc_rings(struct xen_blkif *blkif) init_waitqueue_head(&ring->shutdown_wq); ring->blkif = blkif; ring->st_print = jiffies; - xen_blkif_get(blkif); + ring->active = true; } return 0; @@ -249,10 +249,12 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif) struct xen_blkif_ring *ring = &blkif->rings[r]; unsigned int i = 0; + if (!ring->active) + continue; + if (ring->xenblkd) { kthread_stop(ring->xenblkd); wake_up(&ring->shutdown_wq); - ring->xenblkd = NULL; } /* The above kthread_stop() guarantees that at this point we @@ -296,7 +298,7 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif) BUG_ON(ring->free_pages_num != 0); BUG_ON(ring->persistent_gnt_c != 0); WARN_ON(i != (XEN_BLKIF_REQS_PER_PAGE * blkif->nr_ring_pages)); - xen_blkif_put(blkif); + ring->active = false; } blkif->nr_ring_pages = 0; /* @@ -312,9 +314,10 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif) static void xen_blkif_free(struct xen_blkif *blkif) { - - xen_blkif_disconnect(blkif); + WARN_ON(xen_blkif_disconnect(blkif)); xen_vbd_free(&blkif->vbd); + kfree(blkif->be->mode); + kfree(blkif->be); /* Make sure everything is drained before shutting down */ kmem_cache_free(xen_blkif_cachep, blkif); @@ -511,8 +514,6 @@ static int xen_blkbk_remove(struct xenbus_device *dev) xen_blkif_put(be->blkif); } - kfree(be->mode); - kfree(be); return 0; } diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 6e0cbe0..593a881 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -343,7 +343,7 @@ static int mmap_mem(struct file *file, struct vm_area_struct *vma) phys_addr_t offset = (phys_addr_t)vma->vm_pgoff << PAGE_SHIFT; /* It's illegal to wrap around the end of the physical address space. */ - if (offset + (phys_addr_t)size < offset) + if (offset + (phys_addr_t)size - 1 < offset) return -EINVAL; if (!valid_mmap_phys_addr_range(vma->vm_pgoff, size)) diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c index d4dbd8d..382c864 100644 --- a/drivers/char/pcmcia/cm4040_cs.c +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -374,7 +374,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, rc = write_sync_reg(SCR_HOST_TO_READER_START, dev); if (rc <= 0) { - DEBUGP(5, dev, "write_sync_reg c=%.2Zx\n", rc); + DEBUGP(5, dev, "write_sync_reg c=%.2zx\n", rc); DEBUGP(2, dev, "<- cm4040_write (failed)\n"); if (rc == -ERESTARTSYS) return rc; @@ -387,7 +387,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, for (i = 0; i < bytes_to_write; i++) { rc = wait_for_bulk_out_ready(dev); if (rc <= 0) { - DEBUGP(5, dev, "wait_for_bulk_out_ready rc=%.2Zx\n", + DEBUGP(5, dev, "wait_for_bulk_out_ready rc=%.2zx\n", rc); DEBUGP(2, dev, "<- cm4040_write (failed)\n"); if (rc == -ERESTARTSYS) @@ -403,7 +403,7 @@ static ssize_t cm4040_write(struct file *filp, const char __user *buf, rc = write_sync_reg(SCR_HOST_TO_READER_DONE, dev); if (rc <= 0) { - DEBUGP(5, dev, "write_sync_reg c=%.2Zx\n", rc); + DEBUGP(5, dev, "write_sync_reg c=%.2zx\n", rc); DEBUGP(2, dev, "<- cm4040_write (failed)\n"); if (rc == -ERESTARTSYS) return rc; diff --git a/drivers/char/random.c b/drivers/char/random.c index 0ab0249..01a260f 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1,6 +1,9 @@ /* * random.c -- A strong random number generator * + * Copyright (C) 2017 Jason A. Donenfeld <Jason@zx2c4.com>. All + * Rights Reserved. + * * Copyright Matt Mackall <mpm@selenic.com>, 2003, 2004, 2005 * * Copyright Theodore Ts'o, 1994, 1995, 1996, 1997, 1998, 1999. All @@ -762,6 +765,8 @@ static DECLARE_WAIT_QUEUE_HEAD(crng_init_wait); static struct crng_state **crng_node_pool __read_mostly; #endif +static void invalidate_batched_entropy(void); + static void crng_initialize(struct crng_state *crng) { int i; @@ -798,12 +803,13 @@ static int crng_fast_load(const char *cp, size_t len) p[crng_init_cnt % CHACHA20_KEY_SIZE] ^= *cp; cp++; crng_init_cnt++; len--; } + spin_unlock_irqrestore(&primary_crng.lock, flags); if (crng_init_cnt >= CRNG_INIT_CNT_THRESH) { + invalidate_batched_entropy(); crng_init = 1; wake_up_interruptible(&crng_init_wait); pr_notice("random: fast init done\n"); } - spin_unlock_irqrestore(&primary_crng.lock, flags); return 1; } @@ -835,13 +841,14 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r) } memzero_explicit(&buf, sizeof(buf)); crng->init_time = jiffies; + spin_unlock_irqrestore(&primary_crng.lock, flags); if (crng == &primary_crng && crng_init < 2) { + invalidate_batched_entropy(); crng_init = 2; process_random_ready_list(); wake_up_interruptible(&crng_init_wait); pr_notice("random: crng init done\n"); } - spin_unlock_irqrestore(&primary_crng.lock, flags); } static inline void crng_wait_ready(void) @@ -1097,12 +1104,16 @@ static void add_interrupt_bench(cycles_t start) static __u32 get_reg(struct fast_pool *f, struct pt_regs *regs) { __u32 *ptr = (__u32 *) regs; + unsigned int idx; if (regs == NULL) return 0; - if (f->reg_idx >= sizeof(struct pt_regs) / sizeof(__u32)) - f->reg_idx = 0; - return *(ptr + f->reg_idx++); + idx = READ_ONCE(f->reg_idx); + if (idx >= sizeof(struct pt_regs) / sizeof(__u32)) + idx = 0; + ptr += idx++; + WRITE_ONCE(f->reg_idx, idx); + return *ptr; } void add_interrupt_randomness(int irq, int irq_flags) @@ -2019,6 +2030,7 @@ struct batched_entropy { }; unsigned int position; }; +static rwlock_t batched_entropy_reset_lock = __RW_LOCK_UNLOCKED(batched_entropy_reset_lock); /* * Get a random word for internal kernel use only. The quality of the random @@ -2029,6 +2041,8 @@ static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u64); u64 get_random_u64(void) { u64 ret; + bool use_lock = READ_ONCE(crng_init) < 2; + unsigned long flags = 0; struct batched_entropy *batch; #if BITS_PER_LONG == 64 @@ -2041,11 +2055,15 @@ u64 get_random_u64(void) #endif batch = &get_cpu_var(batched_entropy_u64); + if (use_lock) + read_lock_irqsave(&batched_entropy_reset_lock, flags); if (batch->position % ARRAY_SIZE(batch->entropy_u64) == 0) { extract_crng((u8 *)batch->entropy_u64); batch->position = 0; } ret = batch->entropy_u64[batch->position++]; + if (use_lock) + read_unlock_irqrestore(&batched_entropy_reset_lock, flags); put_cpu_var(batched_entropy_u64); return ret; } @@ -2055,22 +2073,45 @@ static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u32); u32 get_random_u32(void) { u32 ret; + bool use_lock = READ_ONCE(crng_init) < 2; + unsigned long flags = 0; struct batched_entropy *batch; if (arch_get_random_int(&ret)) return ret; batch = &get_cpu_var(batched_entropy_u32); + if (use_lock) + read_lock_irqsave(&batched_entropy_reset_lock, flags); if (batch->position % ARRAY_SIZE(batch->entropy_u32) == 0) { extract_crng((u8 *)batch->entropy_u32); batch->position = 0; } ret = batch->entropy_u32[batch->position++]; + if (use_lock) + read_unlock_irqrestore(&batched_entropy_reset_lock, flags); put_cpu_var(batched_entropy_u32); return ret; } EXPORT_SYMBOL(get_random_u32); +/* It's important to invalidate all potential batched entropy that might + * be stored before the crng is initialized, which we can do lazily by + * simply resetting the counter to zero so that it's re-extracted on the + * next usage. */ +static void invalidate_batched_entropy(void) +{ + int cpu; + unsigned long flags; + + write_lock_irqsave(&batched_entropy_reset_lock, flags); + for_each_possible_cpu (cpu) { + per_cpu_ptr(&batched_entropy_u32, cpu)->position = 0; + per_cpu_ptr(&batched_entropy_u64, cpu)->position = 0; + } + write_unlock_irqrestore(&batched_entropy_reset_lock, flags); +} + /** * randomize_page - Generate a random, page aligned address * @start: The smallest acceptable address the caller will take. diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig index 19480bc..2f29ee1 100644 --- a/drivers/clk/meson/Kconfig +++ b/drivers/clk/meson/Kconfig @@ -14,6 +14,7 @@ config COMMON_CLK_MESON8B config COMMON_CLK_GXBB bool depends on COMMON_CLK_AMLOGIC + select RESET_CONTROLLER help Support for the clock controller on AmLogic S905 devices, aka gxbb. Say Y if you want peripherals and CPU frequency scaling to work. diff --git a/drivers/clk/sunxi-ng/Kconfig b/drivers/clk/sunxi-ng/Kconfig index b0d551a..eb89c78 100644 --- a/drivers/clk/sunxi-ng/Kconfig +++ b/drivers/clk/sunxi-ng/Kconfig @@ -156,6 +156,7 @@ config SUN8I_R_CCU bool "Support for Allwinner SoCs' PRCM CCUs" select SUNXI_CCU_DIV select SUNXI_CCU_GATE + select SUNXI_CCU_MP default MACH_SUN8I || (ARCH_SUNXI && ARM64) endif diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.h b/drivers/clk/sunxi-ng/ccu-sun50i-a64.h index 9b3cd24..061b6fb 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.h +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.h @@ -31,7 +31,9 @@ #define CLK_PLL_VIDEO0_2X 8 #define CLK_PLL_VE 9 #define CLK_PLL_DDR0 10 -#define CLK_PLL_PERIPH0 11 + +/* PLL_PERIPH0 exported for PRCM */ + #define CLK_PLL_PERIPH0_2X 12 #define CLK_PLL_PERIPH1 13 #define CLK_PLL_PERIPH1_2X 14 diff --git a/drivers/clk/sunxi-ng/ccu-sun5i.c b/drivers/clk/sunxi-ng/ccu-sun5i.c index 5c476f9..5372bf8 100644 --- a/drivers/clk/sunxi-ng/ccu-sun5i.c +++ b/drivers/clk/sunxi-ng/ccu-sun5i.c @@ -243,7 +243,7 @@ static SUNXI_CCU_GATE(ahb_ss_clk, "ahb-ss", "ahb", static SUNXI_CCU_GATE(ahb_dma_clk, "ahb-dma", "ahb", 0x060, BIT(6), 0); static SUNXI_CCU_GATE(ahb_bist_clk, "ahb-bist", "ahb", - 0x060, BIT(6), 0); + 0x060, BIT(7), 0); static SUNXI_CCU_GATE(ahb_mmc0_clk, "ahb-mmc0", "ahb", 0x060, BIT(8), 0); static SUNXI_CCU_GATE(ahb_mmc1_clk, "ahb-mmc1", "ahb", diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c index 89e68d2..df97e25 100644 --- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c +++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c @@ -556,7 +556,7 @@ static SUNXI_CCU_M_WITH_MUX_GATE(lcd0_ch1_clk, "lcd0-ch1", lcd_ch1_parents, 0x12c, 0, 4, 24, 3, BIT(31), CLK_SET_RATE_PARENT); static SUNXI_CCU_M_WITH_MUX_GATE(lcd1_ch1_clk, "lcd1-ch1", lcd_ch1_parents, - 0x12c, 0, 4, 24, 3, BIT(31), + 0x130, 0, 4, 24, 3, BIT(31), CLK_SET_RATE_PARENT); static const char * const csi_sclk_parents[] = { "pll-video0", "pll-video1", diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.h b/drivers/clk/sunxi-ng/ccu-sun8i-h3.h index 85973d1..1b4baea 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-h3.h +++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.h @@ -29,7 +29,9 @@ #define CLK_PLL_VIDEO 6 #define CLK_PLL_VE 7 #define CLK_PLL_DDR 8 -#define CLK_PLL_PERIPH0 9 + +/* PLL_PERIPH0 exported for PRCM */ + #define CLK_PLL_PERIPH0_2X 10 #define CLK_PLL_GPU 11 #define CLK_PLL_PERIPH1 12 diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c index e58706b..6297add 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c @@ -537,7 +537,7 @@ static struct ccu_reset_map sun8i_v3s_ccu_resets[] = { [RST_BUS_EMAC] = { 0x2c0, BIT(17) }, [RST_BUS_HSTIMER] = { 0x2c0, BIT(19) }, [RST_BUS_SPI0] = { 0x2c0, BIT(20) }, - [RST_BUS_OTG] = { 0x2c0, BIT(23) }, + [RST_BUS_OTG] = { 0x2c0, BIT(24) }, [RST_BUS_EHCI0] = { 0x2c0, BIT(26) }, [RST_BUS_OHCI0] = { 0x2c0, BIT(29) }, diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c index 4bed671..8b5c300 100644 --- a/drivers/clocksource/arm_arch_timer.c +++ b/drivers/clocksource/arm_arch_timer.c @@ -1209,9 +1209,9 @@ arch_timer_mem_frame_get_cntfrq(struct arch_timer_mem_frame *frame) return 0; } - rate = readl_relaxed(frame + CNTFRQ); + rate = readl_relaxed(base + CNTFRQ); - iounmap(frame); + iounmap(base); return rate; } diff --git a/drivers/clocksource/cadence_ttc_timer.c b/drivers/clocksource/cadence_ttc_timer.c index 44e5e95..8e64b84 100644 --- a/drivers/clocksource/cadence_ttc_timer.c +++ b/drivers/clocksource/cadence_ttc_timer.c @@ -18,6 +18,7 @@ #include <linux/clk.h> #include <linux/interrupt.h> #include <linux/clockchips.h> +#include <linux/clocksource.h> #include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/slab.h> diff --git a/drivers/clocksource/timer-sun5i.c b/drivers/clocksource/timer-sun5i.c index 2e9c830..c4656c4 100644 --- a/drivers/clocksource/timer-sun5i.c +++ b/drivers/clocksource/timer-sun5i.c @@ -12,6 +12,7 @@ #include <linux/clk.h> #include <linux/clockchips.h> +#include <linux/clocksource.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/irq.h> diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 0e3f649..26b643d 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -2468,6 +2468,7 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) if (!(cpufreq_driver->flags & CPUFREQ_STICKY) && list_empty(&cpufreq_policy_list)) { /* if all ->init() calls failed, unregister */ + ret = -ENODEV; pr_debug("%s: No CPU initialized for driver %s\n", __func__, driver_data->name); goto err_if_unreg; diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index 992f7c2..88220ff 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -185,8 +185,8 @@ static ssize_t store_down_threshold(struct gov_attr_set *attr_set, int ret; ret = sscanf(buf, "%u", &input); - /* cannot be lower than 11 otherwise freq will not fall */ - if (ret != 1 || input < 11 || input > 100 || + /* cannot be lower than 1 otherwise freq will not fall */ + if (ret != 1 || input < 1 || input > 100 || input >= dbs_data->up_threshold) return -EINVAL; diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index b7de5bd..eb11585 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -571,9 +571,10 @@ static inline void update_turbo_state(void) static int min_perf_pct_min(void) { struct cpudata *cpu = all_cpu_data[0]; + int turbo_pstate = cpu->pstate.turbo_pstate; - return DIV_ROUND_UP(cpu->pstate.min_pstate * 100, - cpu->pstate.turbo_pstate); + return turbo_pstate ? + DIV_ROUND_UP(cpu->pstate.min_pstate * 100, turbo_pstate) : 0; } static s16 intel_pstate_get_epb(struct cpudata *cpu_data) diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c index 1b9bcd7..c2dd43f 100644 --- a/drivers/cpufreq/kirkwood-cpufreq.c +++ b/drivers/cpufreq/kirkwood-cpufreq.c @@ -127,7 +127,12 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev) return PTR_ERR(priv.cpu_clk); } - clk_prepare_enable(priv.cpu_clk); + err = clk_prepare_enable(priv.cpu_clk); + if (err) { + dev_err(priv.dev, "Unable to prepare cpuclk\n"); + return err; + } + kirkwood_freq_table[0].frequency = clk_get_rate(priv.cpu_clk) / 1000; priv.ddr_clk = of_clk_get_by_name(np, "ddrclk"); @@ -137,7 +142,11 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev) goto out_cpu; } - clk_prepare_enable(priv.ddr_clk); + err = clk_prepare_enable(priv.ddr_clk); + if (err) { + dev_err(priv.dev, "Unable to prepare ddrclk\n"); + goto out_cpu; + } kirkwood_freq_table[1].frequency = clk_get_rate(priv.ddr_clk) / 1000; priv.powersave_clk = of_clk_get_by_name(np, "powersave"); @@ -146,7 +155,11 @@ static int kirkwood_cpufreq_probe(struct platform_device *pdev) err = PTR_ERR(priv.powersave_clk); goto out_ddr; } - clk_prepare_enable(priv.powersave_clk); + err = clk_prepare_enable(priv.powersave_clk); + if (err) { + dev_err(priv.dev, "Unable to prepare powersave clk\n"); + goto out_ddr; + } of_node_put(np); np = NULL; diff --git a/drivers/cpuidle/dt_idle_states.c b/drivers/cpuidle/dt_idle_states.c index ffca4fc..ae8eb03 100644 --- a/drivers/cpuidle/dt_idle_states.c +++ b/drivers/cpuidle/dt_idle_states.c @@ -180,8 +180,10 @@ int dt_init_idle_driver(struct cpuidle_driver *drv, if (!state_node) break; - if (!of_device_is_available(state_node)) + if (!of_device_is_available(state_node)) { + of_node_put(state_node); continue; + } if (!idle_state_valid(state_node, i, cpumask)) { pr_warn("%s idle state not valid, bailing out\n", diff --git a/drivers/dax/super.c b/drivers/dax/super.c index 6ed32aa..922d082 100644 --- a/drivers/dax/super.c +++ b/drivers/dax/super.c @@ -210,9 +210,12 @@ EXPORT_SYMBOL_GPL(kill_dax); static struct inode *dax_alloc_inode(struct super_block *sb) { struct dax_device *dax_dev; + struct inode *inode; dax_dev = kmem_cache_alloc(dax_cache, GFP_KERNEL); - return &dax_dev->inode; + inode = &dax_dev->inode; + inode->i_rdev = 0; + return inode; } static struct dax_device *to_dax_dev(struct inode *inode) @@ -227,7 +230,8 @@ static void dax_i_callback(struct rcu_head *head) kfree(dax_dev->host); dax_dev->host = NULL; - ida_simple_remove(&dax_minor_ida, MINOR(inode->i_rdev)); + if (inode->i_rdev) + ida_simple_remove(&dax_minor_ida, MINOR(inode->i_rdev)); kmem_cache_free(dax_cache, dax_dev); } @@ -423,6 +427,7 @@ static void init_once(void *_dax_dev) struct dax_device *dax_dev = _dax_dev; struct inode *inode = &dax_dev->inode; + memset(dax_dev, 0, sizeof(*dax_dev)); inode_init_once(inode); } diff --git a/drivers/devfreq/event/exynos-nocp.c b/drivers/devfreq/event/exynos-nocp.c index 5c3e7b1..f6e7956 100644 --- a/drivers/devfreq/event/exynos-nocp.c +++ b/drivers/devfreq/event/exynos-nocp.c @@ -267,7 +267,11 @@ static int exynos_nocp_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, nocp); - clk_prepare_enable(nocp->clk); + ret = clk_prepare_enable(nocp->clk); + if (ret) { + dev_err(&pdev->dev, "failed to prepare ppmu clock\n"); + return ret; + } pr_info("exynos-nocp: new NoC Probe device registered: %s\n", dev_name(dev)); diff --git a/drivers/devfreq/event/exynos-ppmu.c b/drivers/devfreq/event/exynos-ppmu.c index 9b73509..d96e3dc 100644 --- a/drivers/devfreq/event/exynos-ppmu.c +++ b/drivers/devfreq/event/exynos-ppmu.c @@ -44,7 +44,7 @@ struct exynos_ppmu { { "ppmu-event2-"#name, PPMU_PMNCNT2 }, \ { "ppmu-event3-"#name, PPMU_PMNCNT3 } -struct __exynos_ppmu_events { +static struct __exynos_ppmu_events { char *name; int id; } ppmu_events[] = { @@ -648,7 +648,11 @@ static int exynos_ppmu_probe(struct platform_device *pdev) dev_name(&pdev->dev), desc[i].name); } - clk_prepare_enable(info->ppmu.clk); + ret = clk_prepare_enable(info->ppmu.clk); + if (ret) { + dev_err(&pdev->dev, "failed to prepare ppmu clock\n"); + return ret; + } return 0; } diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c index d37e8dd..ec24059 100644 --- a/drivers/dma/ep93xx_dma.c +++ b/drivers/dma/ep93xx_dma.c @@ -201,6 +201,7 @@ struct ep93xx_dma_engine { struct dma_device dma_dev; bool m2m; int (*hw_setup)(struct ep93xx_dma_chan *); + void (*hw_synchronize)(struct ep93xx_dma_chan *); void (*hw_shutdown)(struct ep93xx_dma_chan *); void (*hw_submit)(struct ep93xx_dma_chan *); int (*hw_interrupt)(struct ep93xx_dma_chan *); @@ -323,6 +324,8 @@ static int m2p_hw_setup(struct ep93xx_dma_chan *edmac) | M2P_CONTROL_ENABLE; m2p_set_control(edmac, control); + edmac->buffer = 0; + return 0; } @@ -331,21 +334,27 @@ static inline u32 m2p_channel_state(struct ep93xx_dma_chan *edmac) return (readl(edmac->regs + M2P_STATUS) >> 4) & 0x3; } -static void m2p_hw_shutdown(struct ep93xx_dma_chan *edmac) +static void m2p_hw_synchronize(struct ep93xx_dma_chan *edmac) { + unsigned long flags; u32 control; + spin_lock_irqsave(&edmac->lock, flags); control = readl(edmac->regs + M2P_CONTROL); control &= ~(M2P_CONTROL_STALLINT | M2P_CONTROL_NFBINT); m2p_set_control(edmac, control); + spin_unlock_irqrestore(&edmac->lock, flags); while (m2p_channel_state(edmac) >= M2P_STATE_ON) - cpu_relax(); + schedule(); +} +static void m2p_hw_shutdown(struct ep93xx_dma_chan *edmac) +{ m2p_set_control(edmac, 0); - while (m2p_channel_state(edmac) == M2P_STATE_STALL) - cpu_relax(); + while (m2p_channel_state(edmac) != M2P_STATE_IDLE) + dev_warn(chan2dev(edmac), "M2P: Not yet IDLE\n"); } static void m2p_fill_desc(struct ep93xx_dma_chan *edmac) @@ -1161,6 +1170,26 @@ fail: } /** + * ep93xx_dma_synchronize - Synchronizes the termination of transfers to the + * current context. + * @chan: channel + * + * Synchronizes the DMA channel termination to the current context. When this + * function returns it is guaranteed that all transfers for previously issued + * descriptors have stopped and and it is safe to free the memory associated + * with them. Furthermore it is guaranteed that all complete callback functions + * for a previously submitted descriptor have finished running and it is safe to + * free resources accessed from within the complete callbacks. + */ +static void ep93xx_dma_synchronize(struct dma_chan *chan) +{ + struct ep93xx_dma_chan *edmac = to_ep93xx_dma_chan(chan); + + if (edmac->edma->hw_synchronize) + edmac->edma->hw_synchronize(edmac); +} + +/** * ep93xx_dma_terminate_all - terminate all transactions * @chan: channel * @@ -1323,6 +1352,7 @@ static int __init ep93xx_dma_probe(struct platform_device *pdev) dma_dev->device_prep_slave_sg = ep93xx_dma_prep_slave_sg; dma_dev->device_prep_dma_cyclic = ep93xx_dma_prep_dma_cyclic; dma_dev->device_config = ep93xx_dma_slave_config; + dma_dev->device_synchronize = ep93xx_dma_synchronize; dma_dev->device_terminate_all = ep93xx_dma_terminate_all; dma_dev->device_issue_pending = ep93xx_dma_issue_pending; dma_dev->device_tx_status = ep93xx_dma_tx_status; @@ -1340,6 +1370,7 @@ static int __init ep93xx_dma_probe(struct platform_device *pdev) } else { dma_cap_set(DMA_PRIVATE, dma_dev->cap_mask); + edma->hw_synchronize = m2p_hw_synchronize; edma->hw_setup = m2p_hw_setup; edma->hw_shutdown = m2p_hw_shutdown; edma->hw_submit = m2p_hw_submit; diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c index a28a01f..f3e211f 100644 --- a/drivers/dma/mv_xor_v2.c +++ b/drivers/dma/mv_xor_v2.c @@ -161,6 +161,7 @@ struct mv_xor_v2_device { struct mv_xor_v2_sw_desc *sw_desq; int desc_size; unsigned int npendings; + unsigned int hw_queue_idx; }; /** @@ -214,18 +215,6 @@ static void mv_xor_v2_set_data_buffers(struct mv_xor_v2_device *xor_dev, } /* - * Return the next available index in the DESQ. - */ -static int mv_xor_v2_get_desq_write_ptr(struct mv_xor_v2_device *xor_dev) -{ - /* read the index for the next available descriptor in the DESQ */ - u32 reg = readl(xor_dev->dma_base + MV_XOR_V2_DMA_DESQ_ALLOC_OFF); - - return ((reg >> MV_XOR_V2_DMA_DESQ_ALLOC_WRPTR_SHIFT) - & MV_XOR_V2_DMA_DESQ_ALLOC_WRPTR_MASK); -} - -/* * notify the engine of new descriptors, and update the available index. */ static void mv_xor_v2_add_desc_to_desq(struct mv_xor_v2_device *xor_dev, @@ -257,22 +246,6 @@ static int mv_xor_v2_set_desc_size(struct mv_xor_v2_device *xor_dev) return MV_XOR_V2_EXT_DESC_SIZE; } -/* - * Set the IMSG threshold - */ -static inline -void mv_xor_v2_set_imsg_thrd(struct mv_xor_v2_device *xor_dev, int thrd_val) -{ - u32 reg; - - reg = readl(xor_dev->dma_base + MV_XOR_V2_DMA_IMSG_THRD_OFF); - - reg &= (~MV_XOR_V2_DMA_IMSG_THRD_MASK << MV_XOR_V2_DMA_IMSG_THRD_SHIFT); - reg |= (thrd_val << MV_XOR_V2_DMA_IMSG_THRD_SHIFT); - - writel(reg, xor_dev->dma_base + MV_XOR_V2_DMA_IMSG_THRD_OFF); -} - static irqreturn_t mv_xor_v2_interrupt_handler(int irq, void *data) { struct mv_xor_v2_device *xor_dev = data; @@ -288,12 +261,6 @@ static irqreturn_t mv_xor_v2_interrupt_handler(int irq, void *data) if (!ndescs) return IRQ_NONE; - /* - * Update IMSG threshold, to disable new IMSG interrupts until - * end of the tasklet - */ - mv_xor_v2_set_imsg_thrd(xor_dev, MV_XOR_V2_DESC_NUM); - /* schedule a tasklet to handle descriptors callbacks */ tasklet_schedule(&xor_dev->irq_tasklet); @@ -306,7 +273,6 @@ static irqreturn_t mv_xor_v2_interrupt_handler(int irq, void *data) static dma_cookie_t mv_xor_v2_tx_submit(struct dma_async_tx_descriptor *tx) { - int desq_ptr; void *dest_hw_desc; dma_cookie_t cookie; struct mv_xor_v2_sw_desc *sw_desc = @@ -322,15 +288,15 @@ mv_xor_v2_tx_submit(struct dma_async_tx_descriptor *tx) spin_lock_bh(&xor_dev->lock); cookie = dma_cookie_assign(tx); - /* get the next available slot in the DESQ */ - desq_ptr = mv_xor_v2_get_desq_write_ptr(xor_dev); - /* copy the HW descriptor from the SW descriptor to the DESQ */ - dest_hw_desc = xor_dev->hw_desq_virt + desq_ptr; + dest_hw_desc = xor_dev->hw_desq_virt + xor_dev->hw_queue_idx; memcpy(dest_hw_desc, &sw_desc->hw_desc, xor_dev->desc_size); xor_dev->npendings++; + xor_dev->hw_queue_idx++; + if (xor_dev->hw_queue_idx >= MV_XOR_V2_DESC_NUM) + xor_dev->hw_queue_idx = 0; spin_unlock_bh(&xor_dev->lock); @@ -344,6 +310,7 @@ static struct mv_xor_v2_sw_desc * mv_xor_v2_prep_sw_desc(struct mv_xor_v2_device *xor_dev) { struct mv_xor_v2_sw_desc *sw_desc; + bool found = false; /* Lock the channel */ spin_lock_bh(&xor_dev->lock); @@ -355,19 +322,23 @@ mv_xor_v2_prep_sw_desc(struct mv_xor_v2_device *xor_dev) return NULL; } - /* get a free SW descriptor from the SW DESQ */ - sw_desc = list_first_entry(&xor_dev->free_sw_desc, - struct mv_xor_v2_sw_desc, free_list); + list_for_each_entry(sw_desc, &xor_dev->free_sw_desc, free_list) { + if (async_tx_test_ack(&sw_desc->async_tx)) { + found = true; + break; + } + } + + if (!found) { + spin_unlock_bh(&xor_dev->lock); + return NULL; + } + list_del(&sw_desc->free_list); /* Release the channel */ spin_unlock_bh(&xor_dev->lock); - /* set the async tx descriptor */ - dma_async_tx_descriptor_init(&sw_desc->async_tx, &xor_dev->dmachan); - sw_desc->async_tx.tx_submit = mv_xor_v2_tx_submit; - async_tx_ack(&sw_desc->async_tx); - return sw_desc; } @@ -389,6 +360,8 @@ mv_xor_v2_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, __func__, len, &src, &dest, flags); sw_desc = mv_xor_v2_prep_sw_desc(xor_dev); + if (!sw_desc) + return NULL; sw_desc->async_tx.flags = flags; @@ -443,6 +416,8 @@ mv_xor_v2_prep_dma_xor(struct dma_chan *chan, dma_addr_t dest, dma_addr_t *src, __func__, src_cnt, len, &dest, flags); sw_desc = mv_xor_v2_prep_sw_desc(xor_dev); + if (!sw_desc) + return NULL; sw_desc->async_tx.flags = flags; @@ -491,6 +466,8 @@ mv_xor_v2_prep_dma_interrupt(struct dma_chan *chan, unsigned long flags) container_of(chan, struct mv_xor_v2_device, dmachan); sw_desc = mv_xor_v2_prep_sw_desc(xor_dev); + if (!sw_desc) + return NULL; /* set the HW descriptor */ hw_descriptor = &sw_desc->hw_desc; @@ -554,7 +531,6 @@ static void mv_xor_v2_tasklet(unsigned long data) { struct mv_xor_v2_device *xor_dev = (struct mv_xor_v2_device *) data; int pending_ptr, num_of_pending, i; - struct mv_xor_v2_descriptor *next_pending_hw_desc = NULL; struct mv_xor_v2_sw_desc *next_pending_sw_desc = NULL; dev_dbg(xor_dev->dmadev.dev, "%s %d\n", __func__, __LINE__); @@ -562,17 +538,10 @@ static void mv_xor_v2_tasklet(unsigned long data) /* get the pending descriptors parameters */ num_of_pending = mv_xor_v2_get_pending_params(xor_dev, &pending_ptr); - /* next HW descriptor */ - next_pending_hw_desc = xor_dev->hw_desq_virt + pending_ptr; - /* loop over free descriptors */ for (i = 0; i < num_of_pending; i++) { - - if (pending_ptr > MV_XOR_V2_DESC_NUM) - pending_ptr = 0; - - if (next_pending_sw_desc != NULL) - next_pending_hw_desc++; + struct mv_xor_v2_descriptor *next_pending_hw_desc = + xor_dev->hw_desq_virt + pending_ptr; /* get the SW descriptor related to the HW descriptor */ next_pending_sw_desc = @@ -608,15 +577,14 @@ static void mv_xor_v2_tasklet(unsigned long data) /* increment the next descriptor */ pending_ptr++; + if (pending_ptr >= MV_XOR_V2_DESC_NUM) + pending_ptr = 0; } if (num_of_pending != 0) { /* free the descriptores */ mv_xor_v2_free_desc_from_desq(xor_dev, num_of_pending); } - - /* Update IMSG threshold, to enable new IMSG interrupts */ - mv_xor_v2_set_imsg_thrd(xor_dev, 0); } /* @@ -648,9 +616,6 @@ static int mv_xor_v2_descq_init(struct mv_xor_v2_device *xor_dev) writel((xor_dev->hw_desq & 0xFFFF00000000) >> 32, xor_dev->dma_base + MV_XOR_V2_DMA_DESQ_BAHR_OFF); - /* enable the DMA engine */ - writel(0, xor_dev->dma_base + MV_XOR_V2_DMA_DESQ_STOP_OFF); - /* * This is a temporary solution, until we activate the * SMMU. Set the attributes for reading & writing data buffers @@ -694,6 +659,9 @@ static int mv_xor_v2_descq_init(struct mv_xor_v2_device *xor_dev) reg |= MV_XOR_V2_GLOB_PAUSE_AXI_TIME_DIS_VAL; writel(reg, xor_dev->glob_base + MV_XOR_V2_GLOB_PAUSE); + /* enable the DMA engine */ + writel(0, xor_dev->dma_base + MV_XOR_V2_DMA_DESQ_STOP_OFF); + return 0; } @@ -725,6 +693,10 @@ static int mv_xor_v2_probe(struct platform_device *pdev) platform_set_drvdata(pdev, xor_dev); + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(40)); + if (ret) + return ret; + xor_dev->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(xor_dev->clk) && PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) return -EPROBE_DEFER; @@ -785,8 +757,15 @@ static int mv_xor_v2_probe(struct platform_device *pdev) /* add all SW descriptors to the free list */ for (i = 0; i < MV_XOR_V2_DESC_NUM; i++) { - xor_dev->sw_desq[i].idx = i; - list_add(&xor_dev->sw_desq[i].free_list, + struct mv_xor_v2_sw_desc *sw_desc = + xor_dev->sw_desq + i; + sw_desc->idx = i; + dma_async_tx_descriptor_init(&sw_desc->async_tx, + &xor_dev->dmachan); + sw_desc->async_tx.tx_submit = mv_xor_v2_tx_submit; + async_tx_ack(&sw_desc->async_tx); + + list_add(&sw_desc->free_list, &xor_dev->free_sw_desc); } diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 8b0da7f..e90a7a0 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -3008,7 +3008,8 @@ static int pl330_remove(struct amba_device *adev) for (i = 0; i < AMBA_NR_IRQS; i++) { irq = adev->irq[i]; - devm_free_irq(&adev->dev, irq, pl330); + if (irq) + devm_free_irq(&adev->dev, irq, pl330); } dma_async_device_unregister(&pl330->ddma); diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index db41795..bd261c9 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -1287,6 +1287,9 @@ static unsigned int rcar_dmac_chan_get_residue(struct rcar_dmac_chan *chan, if (desc->hwdescs.use) { dptr = (rcar_dmac_chan_read(chan, RCAR_DMACHCRB) & RCAR_DMACHCRB_DPTR_MASK) >> RCAR_DMACHCRB_DPTR_SHIFT; + if (dptr == 0) + dptr = desc->nchunks; + dptr--; WARN_ON(dptr >= desc->nchunks); } else { running = desc->running; diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c index 72c6497..31a1451 100644 --- a/drivers/dma/sh/usb-dmac.c +++ b/drivers/dma/sh/usb-dmac.c @@ -117,7 +117,7 @@ struct usb_dmac { #define USB_DMASWR 0x0008 #define USB_DMASWR_SWR (1 << 0) #define USB_DMAOR 0x0060 -#define USB_DMAOR_AE (1 << 2) +#define USB_DMAOR_AE (1 << 1) #define USB_DMAOR_DME (1 << 0) #define USB_DMASAR 0x0000 diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c index 44c0139..951b6c7 100644 --- a/drivers/firmware/dmi-id.c +++ b/drivers/firmware/dmi-id.c @@ -47,6 +47,7 @@ DEFINE_DMI_ATTR_WITH_SHOW(product_name, 0444, DMI_PRODUCT_NAME); DEFINE_DMI_ATTR_WITH_SHOW(product_version, 0444, DMI_PRODUCT_VERSION); DEFINE_DMI_ATTR_WITH_SHOW(product_serial, 0400, DMI_PRODUCT_SERIAL); DEFINE_DMI_ATTR_WITH_SHOW(product_uuid, 0400, DMI_PRODUCT_UUID); +DEFINE_DMI_ATTR_WITH_SHOW(product_family, 0444, DMI_PRODUCT_FAMILY); DEFINE_DMI_ATTR_WITH_SHOW(board_vendor, 0444, DMI_BOARD_VENDOR); DEFINE_DMI_ATTR_WITH_SHOW(board_name, 0444, DMI_BOARD_NAME); DEFINE_DMI_ATTR_WITH_SHOW(board_version, 0444, DMI_BOARD_VERSION); @@ -191,6 +192,7 @@ static void __init dmi_id_init_attr_table(void) ADD_DMI_ATTR(product_version, DMI_PRODUCT_VERSION); ADD_DMI_ATTR(product_serial, DMI_PRODUCT_SERIAL); ADD_DMI_ATTR(product_uuid, DMI_PRODUCT_UUID); + ADD_DMI_ATTR(product_family, DMI_PRODUCT_FAMILY); ADD_DMI_ATTR(board_vendor, DMI_BOARD_VENDOR); ADD_DMI_ATTR(board_name, DMI_BOARD_NAME); ADD_DMI_ATTR(board_version, DMI_BOARD_VERSION); diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 54be60e..7830419 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -144,7 +144,7 @@ static int __init dmi_walk_early(void (*decode)(const struct dmi_header *, buf = dmi_early_remap(dmi_base, orig_dmi_len); if (buf == NULL) - return -1; + return -ENOMEM; dmi_decode_table(buf, decode, NULL); @@ -178,7 +178,7 @@ static void __init dmi_save_ident(const struct dmi_header *dm, int slot, const char *d = (const char *) dm; const char *p; - if (dmi_ident[slot]) + if (dmi_ident[slot] || dm->length <= string) return; p = dmi_string(dm, d[string]); @@ -191,13 +191,14 @@ static void __init dmi_save_ident(const struct dmi_header *dm, int slot, static void __init dmi_save_uuid(const struct dmi_header *dm, int slot, int index) { - const u8 *d = (u8 *) dm + index; + const u8 *d; char *s; int is_ff = 1, is_00 = 1, i; - if (dmi_ident[slot]) + if (dmi_ident[slot] || dm->length <= index + 16) return; + d = (u8 *) dm + index; for (i = 0; i < 16 && (is_ff || is_00); i++) { if (d[i] != 0x00) is_00 = 0; @@ -228,16 +229,17 @@ static void __init dmi_save_uuid(const struct dmi_header *dm, int slot, static void __init dmi_save_type(const struct dmi_header *dm, int slot, int index) { - const u8 *d = (u8 *) dm + index; + const u8 *d; char *s; - if (dmi_ident[slot]) + if (dmi_ident[slot] || dm->length <= index) return; s = dmi_alloc(4); if (!s) return; + d = (u8 *) dm + index; sprintf(s, "%u", *d & 0x7F); dmi_ident[slot] = s; } @@ -278,9 +280,13 @@ static void __init dmi_save_devices(const struct dmi_header *dm) static void __init dmi_save_oem_strings_devices(const struct dmi_header *dm) { - int i, count = *(u8 *)(dm + 1); + int i, count; struct dmi_device *dev; + if (dm->length < 0x05) + return; + + count = *(u8 *)(dm + 1); for (i = 1; i <= count; i++) { const char *devname = dmi_string(dm, i); @@ -353,6 +359,9 @@ static void __init dmi_save_extended_devices(const struct dmi_header *dm) const char *name; const u8 *d = (u8 *)dm; + if (dm->length < 0x0B) + return; + /* Skip disabled device */ if ((d[0x5] & 0x80) == 0) return; @@ -387,7 +396,7 @@ static void __init save_mem_devices(const struct dmi_header *dm, void *v) const char *d = (const char *)dm; static int nr; - if (dm->type != DMI_ENTRY_MEM_DEVICE) + if (dm->type != DMI_ENTRY_MEM_DEVICE || dm->length < 0x12) return; if (nr >= dmi_memdev_nr) { pr_warn(FW_BUG "Too many DIMM entries in SMBIOS table\n"); @@ -430,6 +439,7 @@ static void __init dmi_decode(const struct dmi_header *dm, void *dummy) dmi_save_ident(dm, DMI_PRODUCT_VERSION, 6); dmi_save_ident(dm, DMI_PRODUCT_SERIAL, 7); dmi_save_uuid(dm, DMI_PRODUCT_UUID, 8); + dmi_save_ident(dm, DMI_PRODUCT_FAMILY, 26); break; case 2: /* Base Board Information */ dmi_save_ident(dm, DMI_BOARD_VENDOR, 4); @@ -649,6 +659,21 @@ void __init dmi_scan_machine(void) goto error; /* + * Same logic as above, look for a 64-bit entry point + * first, and if not found, fall back to 32-bit entry point. + */ + memcpy_fromio(buf, p, 16); + for (q = p + 16; q < p + 0x10000; q += 16) { + memcpy_fromio(buf + 16, q, 16); + if (!dmi_smbios3_present(buf)) { + dmi_available = 1; + dmi_early_unmap(p, 0x10000); + goto out; + } + memcpy(buf, buf + 16, 16); + } + + /* * Iterate over all possible DMI header addresses q. * Maintain the 32 bytes around q in buf. On the * first iteration, substitute zero for the @@ -658,7 +683,7 @@ void __init dmi_scan_machine(void) memset(buf, 0, 16); for (q = p; q < p + 0x10000; q += 16) { memcpy_fromio(buf + 16, q, 16); - if (!dmi_smbios3_present(buf) || !dmi_present(buf)) { + if (!dmi_present(buf)) { dmi_available = 1; dmi_early_unmap(p, 0x10000); goto out; @@ -992,7 +1017,8 @@ EXPORT_SYMBOL(dmi_get_date); * @decode: Callback function * @private_data: Private data to be passed to the callback function * - * Returns -1 when the DMI table can't be reached, 0 on success. + * Returns 0 on success, -ENXIO if DMI is not selected or not present, + * or a different negative error code if DMI walking fails. */ int dmi_walk(void (*decode)(const struct dmi_header *, void *), void *private_data) @@ -1000,11 +1026,11 @@ int dmi_walk(void (*decode)(const struct dmi_header *, void *), u8 *buf; if (!dmi_available) - return -1; + return -ENXIO; buf = dmi_remap(dmi_base, dmi_len); if (buf == NULL) - return -1; + return -ENOMEM; dmi_decode_table(buf, decode, private_data); diff --git a/drivers/firmware/efi/efi-bgrt.c b/drivers/firmware/efi/efi-bgrt.c index 04ca876..b58233e 100644 --- a/drivers/firmware/efi/efi-bgrt.c +++ b/drivers/firmware/efi/efi-bgrt.c @@ -27,6 +27,26 @@ struct bmp_header { u32 size; } __packed; +static bool efi_bgrt_addr_valid(u64 addr) +{ + efi_memory_desc_t *md; + + for_each_efi_memory_desc(md) { + u64 size; + u64 end; + + if (md->type != EFI_BOOT_SERVICES_DATA) + continue; + + size = md->num_pages << EFI_PAGE_SHIFT; + end = md->phys_addr + size; + if (addr >= md->phys_addr && addr < end) + return true; + } + + return false; +} + void __init efi_bgrt_init(struct acpi_table_header *table) { void *image; @@ -36,6 +56,9 @@ void __init efi_bgrt_init(struct acpi_table_header *table) if (acpi_disabled) return; + if (!efi_enabled(EFI_MEMMAP)) + return; + if (table->length < sizeof(bgrt_tab)) { pr_notice("Ignoring BGRT: invalid length %u (expected %zu)\n", table->length, sizeof(bgrt_tab)); @@ -62,6 +85,10 @@ void __init efi_bgrt_init(struct acpi_table_header *table) goto out; } + if (!efi_bgrt_addr_valid(bgrt->image_address)) { + pr_notice("Ignoring BGRT: invalid image address\n"); + goto out; + } image = early_memremap(bgrt->image_address, sizeof(bmp_header)); if (!image) { pr_notice("Ignoring BGRT: failed to map image header memory\n"); diff --git a/drivers/firmware/efi/libstub/secureboot.c b/drivers/firmware/efi/libstub/secureboot.c index 8c34d50..959777e 100644 --- a/drivers/firmware/efi/libstub/secureboot.c +++ b/drivers/firmware/efi/libstub/secureboot.c @@ -16,10 +16,10 @@ /* BIOS variables */ static const efi_guid_t efi_variable_guid = EFI_GLOBAL_VARIABLE_GUID; -static const efi_char16_t const efi_SecureBoot_name[] = { +static const efi_char16_t efi_SecureBoot_name[] = { 'S', 'e', 'c', 'u', 'r', 'e', 'B', 'o', 'o', 't', 0 }; -static const efi_char16_t const efi_SetupMode_name[] = { +static const efi_char16_t efi_SetupMode_name[] = { 'S', 'e', 't', 'u', 'p', 'M', 'o', 'd', 'e', 0 }; diff --git a/drivers/firmware/google/vpd.c b/drivers/firmware/google/vpd.c index 1e7860f..31058d40 100644 --- a/drivers/firmware/google/vpd.c +++ b/drivers/firmware/google/vpd.c @@ -136,12 +136,12 @@ static int vpd_section_attrib_add(const u8 *key, s32 key_len, info->value = value; INIT_LIST_HEAD(&info->list); - list_add_tail(&info->list, &sec->attribs); ret = sysfs_create_bin_file(sec->kobj, &info->bin_attr); if (ret) goto free_info_key; + list_add_tail(&info->list, &sec->attribs); return 0; free_info_key: @@ -158,8 +158,8 @@ static void vpd_section_attrib_destroy(struct vpd_section *sec) struct vpd_attrib_info *temp; list_for_each_entry_safe(info, temp, &sec->attribs, list) { - kfree(info->key); sysfs_remove_bin_file(sec->kobj, &info->bin_attr); + kfree(info->key); kfree(info); } } @@ -244,7 +244,7 @@ static int vpd_section_destroy(struct vpd_section *sec) { if (sec->enabled) { vpd_section_attrib_destroy(sec); - kobject_del(sec->kobj); + kobject_put(sec->kobj); sysfs_remove_bin_file(vpd_kobj, &sec->bin_attr); kfree(sec->raw_name); iounmap(sec->baseaddr); @@ -331,7 +331,7 @@ static void __exit vpd_platform_exit(void) { vpd_section_destroy(&ro_vpd); vpd_section_destroy(&rw_vpd); - kobject_del(vpd_kobj); + kobject_put(vpd_kobj); } module_init(vpd_platform_init); diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c index ccea609..4ca436e 100644 --- a/drivers/gpio/gpio-aspeed.c +++ b/drivers/gpio/gpio-aspeed.c @@ -646,6 +646,9 @@ static int enable_debounce(struct gpio_chip *chip, unsigned int offset, int rc; int i; + if (!gpio->clk) + return -EINVAL; + rc = usecs_to_cycles(gpio, usecs, &requested_cycles); if (rc < 0) { dev_warn(chip->parent, "Failed to convert %luus to cycles at %luHz: %d\n", diff --git a/drivers/gpio/gpio-crystalcove.c b/drivers/gpio/gpio-crystalcove.c index 2197368..e60156e 100644 --- a/drivers/gpio/gpio-crystalcove.c +++ b/drivers/gpio/gpio-crystalcove.c @@ -90,8 +90,18 @@ static inline int to_reg(int gpio, enum ctrl_register reg_type) { int reg; - if (gpio == 94) - return GPIOPANELCTL; + if (gpio >= CRYSTALCOVE_GPIO_NUM) { + /* + * Virtual GPIO called from ACPI, for now we only support + * the panel ctl. + */ + switch (gpio) { + case 0x5e: + return GPIOPANELCTL; + default: + return -EOPNOTSUPP; + } + } if (reg_type == CTRL_IN) { if (gpio < 8) @@ -130,36 +140,36 @@ static void crystalcove_update_irq_ctrl(struct crystalcove_gpio *cg, int gpio) static int crystalcove_gpio_dir_in(struct gpio_chip *chip, unsigned gpio) { struct crystalcove_gpio *cg = gpiochip_get_data(chip); + int reg = to_reg(gpio, CTRL_OUT); - if (gpio > CRYSTALCOVE_VGPIO_NUM) + if (reg < 0) return 0; - return regmap_write(cg->regmap, to_reg(gpio, CTRL_OUT), - CTLO_INPUT_SET); + return regmap_write(cg->regmap, reg, CTLO_INPUT_SET); } static int crystalcove_gpio_dir_out(struct gpio_chip *chip, unsigned gpio, int value) { struct crystalcove_gpio *cg = gpiochip_get_data(chip); + int reg = to_reg(gpio, CTRL_OUT); - if (gpio > CRYSTALCOVE_VGPIO_NUM) + if (reg < 0) return 0; - return regmap_write(cg->regmap, to_reg(gpio, CTRL_OUT), - CTLO_OUTPUT_SET | value); + return regmap_write(cg->regmap, reg, CTLO_OUTPUT_SET | value); } static int crystalcove_gpio_get(struct gpio_chip *chip, unsigned gpio) { struct crystalcove_gpio *cg = gpiochip_get_data(chip); - int ret; unsigned int val; + int ret, reg = to_reg(gpio, CTRL_IN); - if (gpio > CRYSTALCOVE_VGPIO_NUM) + if (reg < 0) return 0; - ret = regmap_read(cg->regmap, to_reg(gpio, CTRL_IN), &val); + ret = regmap_read(cg->regmap, reg, &val); if (ret) return ret; @@ -170,14 +180,15 @@ static void crystalcove_gpio_set(struct gpio_chip *chip, unsigned gpio, int value) { struct crystalcove_gpio *cg = gpiochip_get_data(chip); + int reg = to_reg(gpio, CTRL_OUT); - if (gpio > CRYSTALCOVE_VGPIO_NUM) + if (reg < 0) return; if (value) - regmap_update_bits(cg->regmap, to_reg(gpio, CTRL_OUT), 1, 1); + regmap_update_bits(cg->regmap, reg, 1, 1); else - regmap_update_bits(cg->regmap, to_reg(gpio, CTRL_OUT), 1, 0); + regmap_update_bits(cg->regmap, reg, 1, 0); } static int crystalcove_irq_type(struct irq_data *data, unsigned type) @@ -185,6 +196,9 @@ static int crystalcove_irq_type(struct irq_data *data, unsigned type) struct crystalcove_gpio *cg = gpiochip_get_data(irq_data_get_irq_chip_data(data)); + if (data->hwirq >= CRYSTALCOVE_GPIO_NUM) + return 0; + switch (type) { case IRQ_TYPE_NONE: cg->intcnt_value = CTLI_INTCNT_DIS; @@ -235,8 +249,10 @@ static void crystalcove_irq_unmask(struct irq_data *data) struct crystalcove_gpio *cg = gpiochip_get_data(irq_data_get_irq_chip_data(data)); - cg->set_irq_mask = false; - cg->update |= UPDATE_IRQ_MASK; + if (data->hwirq < CRYSTALCOVE_GPIO_NUM) { + cg->set_irq_mask = false; + cg->update |= UPDATE_IRQ_MASK; + } } static void crystalcove_irq_mask(struct irq_data *data) @@ -244,8 +260,10 @@ static void crystalcove_irq_mask(struct irq_data *data) struct crystalcove_gpio *cg = gpiochip_get_data(irq_data_get_irq_chip_data(data)); - cg->set_irq_mask = true; - cg->update |= UPDATE_IRQ_MASK; + if (data->hwirq < CRYSTALCOVE_GPIO_NUM) { + cg->set_irq_mask = true; + cg->update |= UPDATE_IRQ_MASK; + } } static struct irq_chip crystalcove_irqchip = { diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 19a92ef..c83ea68 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -721,7 +721,7 @@ static int mvebu_pwm_probe(struct platform_device *pdev, u32 set; if (!of_device_is_compatible(mvchip->chip.of_node, - "marvell,armada-370-xp-gpio")) + "marvell,armada-370-gpio")) return 0; if (IS_ERR(mvchip->clk)) @@ -747,7 +747,7 @@ static int mvebu_pwm_probe(struct platform_device *pdev, set = U32_MAX; else return -EINVAL; - writel_relaxed(0, mvebu_gpioreg_blink_counter_select(mvchip)); + writel_relaxed(set, mvebu_gpioreg_blink_counter_select(mvchip)); mvpwm = devm_kzalloc(dev, sizeof(struct mvebu_pwm), GFP_KERNEL); if (!mvpwm) @@ -768,6 +768,13 @@ static int mvebu_pwm_probe(struct platform_device *pdev, mvpwm->chip.dev = dev; mvpwm->chip.ops = &mvebu_pwm_ops; mvpwm->chip.npwm = mvchip->chip.ngpio; + /* + * There may already be some PWM allocated, so we can't force + * mvpwm->chip.base to a fixed point like mvchip->chip.base. + * So, we let pwmchip_add() do the numbering and take the next free + * region. + */ + mvpwm->chip.base = -1; spin_lock_init(&mvpwm->lock); @@ -845,7 +852,7 @@ static const struct of_device_id mvebu_gpio_of_match[] = { .data = (void *) MVEBU_GPIO_SOC_VARIANT_ARMADAXP, }, { - .compatible = "marvell,armada-370-xp-gpio", + .compatible = "marvell,armada-370-gpio", .data = (void *) MVEBU_GPIO_SOC_VARIANT_ORION, }, { @@ -1121,7 +1128,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev) mvchip); } - /* Armada 370/XP has simple PWM support for GPIO lines */ + /* Some MVEBU SoCs have simple PWM support for GPIO lines */ if (IS_ENABLED(CONFIG_PWM)) return mvebu_pwm_probe(pdev, mvchip, id); diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 2185232..8fa5fcd 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -201,7 +201,7 @@ static acpi_status acpi_gpiochip_request_interrupt(struct acpi_resource *ares, handler = acpi_gpio_irq_handler_evt; } if (!handler) - return AE_BAD_PARAMETER; + return AE_OK; pin = acpi_gpiochip_pin_to_gpio_offset(chip->gpiodev, pin); if (pin < 0) diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 5db4413..a42a1ee 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -708,7 +708,8 @@ static irqreturn_t lineevent_irq_thread(int irq, void *p) ge.timestamp = ktime_get_real_ns(); - if (le->eflags & GPIOEVENT_REQUEST_BOTH_EDGES) { + if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE + && le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) { int level = gpiod_get_value_cansleep(le->desc); if (level) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 1cf78f4..1e8e112 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -693,6 +693,10 @@ int amdgpu_atombios_get_clock_info(struct amdgpu_device *adev) DRM_INFO("Changing default dispclk from %dMhz to 600Mhz\n", adev->clock.default_dispclk / 100); adev->clock.default_dispclk = 60000; + } else if (adev->clock.default_dispclk <= 60000) { + DRM_INFO("Changing default dispclk from %dMhz to 625Mhz\n", + adev->clock.default_dispclk / 100); + adev->clock.default_dispclk = 62500; } adev->clock.dp_extclk = le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index f2d705e..ab6b0d0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -449,6 +449,7 @@ static const struct pci_device_id pciidlist[] = { {0x1002, 0x6986, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x6987, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x6995, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, + {0x1002, 0x6997, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x699F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, /* Vega 10 */ {0x1002, 0x6860, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_VEGA10|AMD_EXP_HW_SUPPORT}, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c index a4831fe..a2c59a0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c @@ -220,9 +220,9 @@ static void amdgpu_vram_mgr_debug(struct ttm_mem_type_manager *man, } const struct ttm_mem_type_manager_func amdgpu_vram_mgr_func = { - amdgpu_vram_mgr_init, - amdgpu_vram_mgr_fini, - amdgpu_vram_mgr_new, - amdgpu_vram_mgr_del, - amdgpu_vram_mgr_debug + .init = amdgpu_vram_mgr_init, + .takedown = amdgpu_vram_mgr_fini, + .get_node = amdgpu_vram_mgr_new, + .put_node = amdgpu_vram_mgr_del, + .debug = amdgpu_vram_mgr_debug }; diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c b/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c index 8c9bc75..8a0818b 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_crtc.c @@ -165,7 +165,7 @@ void amdgpu_atombios_crtc_powergate(struct drm_crtc *crtc, int state) struct drm_device *dev = crtc->dev; struct amdgpu_device *adev = dev->dev_private; int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating); - ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args; + ENABLE_DISP_POWER_GATING_PS_ALLOCATION args; memset(&args, 0, sizeof(args)); @@ -178,7 +178,7 @@ void amdgpu_atombios_crtc_powergate(struct drm_crtc *crtc, int state) void amdgpu_atombios_crtc_powergate_init(struct amdgpu_device *adev) { int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating); - ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args; + ENABLE_DISP_POWER_GATING_PS_ALLOCATION args; memset(&args, 0, sizeof(args)); diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index 0cdeb6a..5dffa27 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -1207,8 +1207,11 @@ static void dce_v10_0_program_watermarks(struct amdgpu_device *adev, u32 tmp, wm_mask, lb_vblank_lead_lines = 0; if (amdgpu_crtc->base.enabled && num_heads && mode) { - active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock; - line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535); + active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000, + (u32)mode->clock); + line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000, + (u32)mode->clock); + line_time = min(line_time, (u32)65535); /* watermark for high clocks */ if (adev->pm.dpm_enabled) { diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index 773654a..47bbc87 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -1176,8 +1176,11 @@ static void dce_v11_0_program_watermarks(struct amdgpu_device *adev, u32 tmp, wm_mask, lb_vblank_lead_lines = 0; if (amdgpu_crtc->base.enabled && num_heads && mode) { - active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock; - line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535); + active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000, + (u32)mode->clock); + line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000, + (u32)mode->clock); + line_time = min(line_time, (u32)65535); /* watermark for high clocks */ if (adev->pm.dpm_enabled) { diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c index 1f35529..d8c9a95 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c @@ -983,8 +983,11 @@ static void dce_v6_0_program_watermarks(struct amdgpu_device *adev, fixed20_12 a, b, c; if (amdgpu_crtc->base.enabled && num_heads && mode) { - active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock; - line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535); + active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000, + (u32)mode->clock); + line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000, + (u32)mode->clock); + line_time = min(line_time, (u32)65535); priority_a_cnt = 0; priority_b_cnt = 0; diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index 3c558c1..db30c6b 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -1091,8 +1091,11 @@ static void dce_v8_0_program_watermarks(struct amdgpu_device *adev, u32 tmp, wm_mask, lb_vblank_lead_lines = 0; if (amdgpu_crtc->base.enabled && num_heads && mode) { - active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock; - line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535); + active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000, + (u32)mode->clock); + line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000, + (u32)mode->clock); + line_time = min(line_time, (u32)65535); /* watermark for high clocks */ if (adev->pm.dpm_enabled) { diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c index fb08193..90332f5 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c @@ -77,13 +77,26 @@ static int vce_v3_0_set_clockgating_state(void *handle, static uint64_t vce_v3_0_ring_get_rptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; + u32 v; + + mutex_lock(&adev->grbm_idx_mutex); + if (adev->vce.harvest_config == 0 || + adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE1) + WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0)); + else if (adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0) + WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1)); if (ring == &adev->vce.ring[0]) - return RREG32(mmVCE_RB_RPTR); + v = RREG32(mmVCE_RB_RPTR); else if (ring == &adev->vce.ring[1]) - return RREG32(mmVCE_RB_RPTR2); + v = RREG32(mmVCE_RB_RPTR2); else - return RREG32(mmVCE_RB_RPTR3); + v = RREG32(mmVCE_RB_RPTR3); + + WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT); + mutex_unlock(&adev->grbm_idx_mutex); + + return v; } /** @@ -96,13 +109,26 @@ static uint64_t vce_v3_0_ring_get_rptr(struct amdgpu_ring *ring) static uint64_t vce_v3_0_ring_get_wptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; + u32 v; + + mutex_lock(&adev->grbm_idx_mutex); + if (adev->vce.harvest_config == 0 || + adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE1) + WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0)); + else if (adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0) + WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1)); if (ring == &adev->vce.ring[0]) - return RREG32(mmVCE_RB_WPTR); + v = RREG32(mmVCE_RB_WPTR); else if (ring == &adev->vce.ring[1]) - return RREG32(mmVCE_RB_WPTR2); + v = RREG32(mmVCE_RB_WPTR2); else - return RREG32(mmVCE_RB_WPTR3); + v = RREG32(mmVCE_RB_WPTR3); + + WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT); + mutex_unlock(&adev->grbm_idx_mutex); + + return v; } /** @@ -116,12 +142,22 @@ static void vce_v3_0_ring_set_wptr(struct amdgpu_ring *ring) { struct amdgpu_device *adev = ring->adev; + mutex_lock(&adev->grbm_idx_mutex); + if (adev->vce.harvest_config == 0 || + adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE1) + WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0)); + else if (adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0) + WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1)); + if (ring == &adev->vce.ring[0]) WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr)); else if (ring == &adev->vce.ring[1]) WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr)); else WREG32(mmVCE_RB_WPTR3, lower_32_bits(ring->wptr)); + + WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT); + mutex_unlock(&adev->grbm_idx_mutex); } static void vce_v3_0_override_vce_clock_gating(struct amdgpu_device *adev, bool override) @@ -231,33 +267,38 @@ static int vce_v3_0_start(struct amdgpu_device *adev) struct amdgpu_ring *ring; int idx, r; - ring = &adev->vce.ring[0]; - WREG32(mmVCE_RB_RPTR, lower_32_bits(ring->wptr)); - WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr)); - WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr); - WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); - WREG32(mmVCE_RB_SIZE, ring->ring_size / 4); - - ring = &adev->vce.ring[1]; - WREG32(mmVCE_RB_RPTR2, lower_32_bits(ring->wptr)); - WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr)); - WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr); - WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr)); - WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4); - - ring = &adev->vce.ring[2]; - WREG32(mmVCE_RB_RPTR3, lower_32_bits(ring->wptr)); - WREG32(mmVCE_RB_WPTR3, lower_32_bits(ring->wptr)); - WREG32(mmVCE_RB_BASE_LO3, ring->gpu_addr); - WREG32(mmVCE_RB_BASE_HI3, upper_32_bits(ring->gpu_addr)); - WREG32(mmVCE_RB_SIZE3, ring->ring_size / 4); - mutex_lock(&adev->grbm_idx_mutex); for (idx = 0; idx < 2; ++idx) { if (adev->vce.harvest_config & (1 << idx)) continue; WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(idx)); + + /* Program instance 0 reg space for two instances or instance 0 case + program instance 1 reg space for only instance 1 available case */ + if (idx != 1 || adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0) { + ring = &adev->vce.ring[0]; + WREG32(mmVCE_RB_RPTR, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr); + WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); + WREG32(mmVCE_RB_SIZE, ring->ring_size / 4); + + ring = &adev->vce.ring[1]; + WREG32(mmVCE_RB_RPTR2, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr); + WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr)); + WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4); + + ring = &adev->vce.ring[2]; + WREG32(mmVCE_RB_RPTR3, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_WPTR3, lower_32_bits(ring->wptr)); + WREG32(mmVCE_RB_BASE_LO3, ring->gpu_addr); + WREG32(mmVCE_RB_BASE_HI3, upper_32_bits(ring->gpu_addr)); + WREG32(mmVCE_RB_SIZE3, ring->ring_size / 4); + } + vce_v3_0_mc_resume(adev, idx); WREG32_FIELD(VCE_STATUS, JOB_BUSY, 1); diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c index d5f53d0..83e40fe 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c @@ -709,17 +709,17 @@ static int tf_vega10_thermal_disable_alert(struct pp_hwmgr *hwmgr, static struct phm_master_table_item vega10_thermal_start_thermal_controller_master_list[] = { - {NULL, tf_vega10_thermal_initialize}, - {NULL, tf_vega10_thermal_set_temperature_range}, - {NULL, tf_vega10_thermal_enable_alert}, + { .tableFunction = tf_vega10_thermal_initialize }, + { .tableFunction = tf_vega10_thermal_set_temperature_range }, + { .tableFunction = tf_vega10_thermal_enable_alert }, /* We should restrict performance levels to low before we halt the SMC. * On the other hand we are still in boot state when we do this * so it would be pointless. * If this assumption changes we have to revisit this table. */ - {NULL, tf_vega10_thermal_setup_fan_table}, - {NULL, tf_vega10_thermal_start_smc_fan_control}, - {NULL, NULL} + { .tableFunction = tf_vega10_thermal_setup_fan_table }, + { .tableFunction = tf_vega10_thermal_start_smc_fan_control }, + { } }; static struct phm_master_table_header @@ -731,10 +731,10 @@ vega10_thermal_start_thermal_controller_master = { static struct phm_master_table_item vega10_thermal_set_temperature_range_master_list[] = { - {NULL, tf_vega10_thermal_disable_alert}, - {NULL, tf_vega10_thermal_set_temperature_range}, - {NULL, tf_vega10_thermal_enable_alert}, - {NULL, NULL} + { .tableFunction = tf_vega10_thermal_disable_alert }, + { .tableFunction = tf_vega10_thermal_set_temperature_range }, + { .tableFunction = tf_vega10_thermal_enable_alert }, + { } }; struct phm_master_table_header diff --git a/drivers/gpu/drm/bridge/synopsys/Kconfig b/drivers/gpu/drm/bridge/synopsys/Kconfig index 40d2827..53e78d0 100644 --- a/drivers/gpu/drm/bridge/synopsys/Kconfig +++ b/drivers/gpu/drm/bridge/synopsys/Kconfig @@ -1,6 +1,7 @@ config DRM_DW_HDMI tristate select DRM_KMS_HELPER + select REGMAP_MMIO config DRM_DW_HDMI_AHB_AUDIO tristate "Synopsys Designware AHB Audio interface" diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 8be9719..aa885a6 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -508,6 +508,8 @@ drm_atomic_helper_check_modeset(struct drm_device *dev, bool has_connectors = !!new_crtc_state->connector_mask; + WARN_ON(!drm_modeset_is_locked(&crtc->mutex)); + if (!drm_mode_equal(&old_crtc_state->mode, &new_crtc_state->mode)) { DRM_DEBUG_ATOMIC("[CRTC:%d:%s] mode changed\n", crtc->base.id, crtc->name); @@ -551,6 +553,8 @@ drm_atomic_helper_check_modeset(struct drm_device *dev, for_each_oldnew_connector_in_state(state, connector, old_connector_state, new_connector_state, i) { const struct drm_connector_helper_funcs *funcs = connector->helper_private; + WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); + /* * This only sets crtc->connectors_changed for routing changes, * drivers must set crtc->connectors_changed themselves when @@ -650,6 +654,8 @@ drm_atomic_helper_check_planes(struct drm_device *dev, for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) { const struct drm_plane_helper_funcs *funcs; + WARN_ON(!drm_modeset_is_locked(&plane->mutex)); + funcs = plane->helper_private; drm_atomic_helper_plane_changed(state, old_plane_state, new_plane_state, plane); @@ -2663,7 +2669,12 @@ int drm_atomic_helper_resume(struct drm_device *dev, drm_modeset_acquire_init(&ctx, 0); while (1) { + err = drm_modeset_lock_all_ctx(dev, &ctx); + if (err) + goto out; + err = drm_atomic_helper_commit_duplicated_state(state, &ctx); +out: if (err != -EDEADLK) break; diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 9f84761..48ca245 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -1229,21 +1229,6 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, if (!connector) return -ENOENT; - drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); - encoder = drm_connector_get_encoder(connector); - if (encoder) - out_resp->encoder_id = encoder->base.id; - else - out_resp->encoder_id = 0; - - ret = drm_mode_object_get_properties(&connector->base, file_priv->atomic, - (uint32_t __user *)(unsigned long)(out_resp->props_ptr), - (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), - &out_resp->count_props); - drm_modeset_unlock(&dev->mode_config.connection_mutex); - if (ret) - goto out_unref; - for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) if (connector->encoder_ids[i] != 0) encoders_count++; @@ -1256,7 +1241,7 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, if (put_user(connector->encoder_ids[i], encoder_ptr + copied)) { ret = -EFAULT; - goto out_unref; + goto out; } copied++; } @@ -1300,15 +1285,32 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, if (copy_to_user(mode_ptr + copied, &u_mode, sizeof(u_mode))) { ret = -EFAULT; + mutex_unlock(&dev->mode_config.mutex); + goto out; } copied++; } } out_resp->count_modes = mode_count; -out: mutex_unlock(&dev->mode_config.mutex); -out_unref: + + drm_modeset_lock(&dev->mode_config.connection_mutex, NULL); + encoder = drm_connector_get_encoder(connector); + if (encoder) + out_resp->encoder_id = encoder->base.id; + else + out_resp->encoder_id = 0; + + /* Only grab properties after probing, to make sure EDID and other + * properties reflect the latest status. */ + ret = drm_mode_object_get_properties(&connector->base, file_priv->atomic, + (uint32_t __user *)(unsigned long)(out_resp->props_ptr), + (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), + &out_resp->count_props); + drm_modeset_unlock(&dev->mode_config.connection_mutex); + +out: drm_connector_put(connector); return ret; diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c index 3e5f521..213fb83 100644 --- a/drivers/gpu/drm/drm_dp_helper.c +++ b/drivers/gpu/drm/drm_dp_helper.c @@ -1208,3 +1208,86 @@ int drm_dp_stop_crc(struct drm_dp_aux *aux) return 0; } EXPORT_SYMBOL(drm_dp_stop_crc); + +struct dpcd_quirk { + u8 oui[3]; + bool is_branch; + u32 quirks; +}; + +#define OUI(first, second, third) { (first), (second), (third) } + +static const struct dpcd_quirk dpcd_quirk_list[] = { + /* Analogix 7737 needs reduced M and N at HBR2 link rates */ + { OUI(0x00, 0x22, 0xb9), true, BIT(DP_DPCD_QUIRK_LIMITED_M_N) }, +}; + +#undef OUI + +/* + * Get a bit mask of DPCD quirks for the sink/branch device identified by + * ident. The quirk data is shared but it's up to the drivers to act on the + * data. + * + * For now, only the OUI (first three bytes) is used, but this may be extended + * to device identification string and hardware/firmware revisions later. + */ +static u32 +drm_dp_get_quirks(const struct drm_dp_dpcd_ident *ident, bool is_branch) +{ + const struct dpcd_quirk *quirk; + u32 quirks = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(dpcd_quirk_list); i++) { + quirk = &dpcd_quirk_list[i]; + + if (quirk->is_branch != is_branch) + continue; + + if (memcmp(quirk->oui, ident->oui, sizeof(ident->oui)) != 0) + continue; + + quirks |= quirk->quirks; + } + + return quirks; +} + +/** + * drm_dp_read_desc - read sink/branch descriptor from DPCD + * @aux: DisplayPort AUX channel + * @desc: Device decriptor to fill from DPCD + * @is_branch: true for branch devices, false for sink devices + * + * Read DPCD 0x400 (sink) or 0x500 (branch) into @desc. Also debug log the + * identification. + * + * Returns 0 on success or a negative error code on failure. + */ +int drm_dp_read_desc(struct drm_dp_aux *aux, struct drm_dp_desc *desc, + bool is_branch) +{ + struct drm_dp_dpcd_ident *ident = &desc->ident; + unsigned int offset = is_branch ? DP_BRANCH_OUI : DP_SINK_OUI; + int ret, dev_id_len; + + ret = drm_dp_dpcd_read(aux, offset, ident, sizeof(*ident)); + if (ret < 0) + return ret; + + desc->quirks = drm_dp_get_quirks(ident, is_branch); + + dev_id_len = strnlen(ident->device_id, sizeof(ident->device_id)); + + DRM_DEBUG_KMS("DP %s: OUI %*phD dev-ID %*pE HW-rev %d.%d SW-rev %d.%d quirks 0x%04x\n", + is_branch ? "branch" : "sink", + (int)sizeof(ident->oui), ident->oui, + dev_id_len, ident->device_id, + ident->hw_rev >> 4, ident->hw_rev & 0xf, + ident->sw_major_rev, ident->sw_minor_rev, + desc->quirks); + + return 0; +} +EXPORT_SYMBOL(drm_dp_read_desc); diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index b5c6bb4..37b8ad3 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -358,7 +358,12 @@ EXPORT_SYMBOL(drm_put_dev); void drm_unplug_dev(struct drm_device *dev) { /* for a USB device */ - drm_dev_unregister(dev); + if (drm_core_check_feature(dev, DRIVER_MODESET)) + drm_modeset_unregister_all(dev); + + drm_minor_unregister(dev, DRM_MINOR_PRIMARY); + drm_minor_unregister(dev, DRM_MINOR_RENDER); + drm_minor_unregister(dev, DRM_MINOR_CONTROL); mutex_lock(&drm_global_mutex); diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.h b/drivers/gpu/drm/etnaviv/etnaviv_gem.h index c4a091e..e437fba 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.h @@ -106,9 +106,10 @@ struct etnaviv_gem_submit { struct etnaviv_gpu *gpu; struct ww_acquire_ctx ticket; struct dma_fence *fence; + u32 flags; unsigned int nr_bos; struct etnaviv_gem_submit_bo bos[0]; - u32 flags; + /* No new members here, the previous one is variable-length! */ }; int etnaviv_gem_wait_bo(struct etnaviv_gpu *gpu, struct drm_gem_object *obj, diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index de80ee1..1013765 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -172,7 +172,7 @@ static int submit_fence_sync(const struct etnaviv_gem_submit *submit) for (i = 0; i < submit->nr_bos; i++) { struct etnaviv_gem_object *etnaviv_obj = submit->bos[i].obj; bool write = submit->bos[i].flags & ETNA_SUBMIT_BO_WRITE; - bool explicit = !(submit->flags & ETNA_SUBMIT_NO_IMPLICIT); + bool explicit = !!(submit->flags & ETNA_SUBMIT_NO_IMPLICIT); ret = etnaviv_gpu_fence_sync_obj(etnaviv_obj, context, write, explicit); diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 09d3c4c..50294a7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -82,14 +82,9 @@ err_file_priv_free: return ret; } -static void exynos_drm_preclose(struct drm_device *dev, - struct drm_file *file) -{ - exynos_drm_subdrv_close(dev, file); -} - static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file) { + exynos_drm_subdrv_close(dev, file); kfree(file->driver_priv); file->driver_priv = NULL; } @@ -145,7 +140,6 @@ static struct drm_driver exynos_drm_driver = { .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME | DRIVER_ATOMIC | DRIVER_RENDER, .open = exynos_drm_open, - .preclose = exynos_drm_preclose, .lastclose = exynos_drm_lastclose, .postclose = exynos_drm_postclose, .gem_free_object_unlocked = exynos_drm_gem_free_object, diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index cb31769..39c7405 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -160,12 +160,9 @@ struct exynos_drm_clk { * drm framework doesn't support multiple irq yet. * we can refer to the crtc to current hardware interrupt occurred through * this pipe value. - * @enabled: if the crtc is enabled or not - * @event: vblank event that is currently queued for flip - * @wait_update: wait all pending planes updates to finish - * @pending_update: number of pending plane updates in this crtc * @ops: pointer to callbacks for exynos drm specific functionality * @ctx: A pointer to the crtc's implementation specific context + * @pipe_clk: A pointer to the crtc's pipeline clock. */ struct exynos_drm_crtc { struct drm_crtc base; diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index fc4fda7..d404de8 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1633,7 +1633,6 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi) { struct device *dev = dsi->dev; struct device_node *node = dev->of_node; - struct device_node *ep; int ret; ret = exynos_dsi_of_read_u32(node, "samsung,pll-clock-frequency", @@ -1641,32 +1640,21 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi) if (ret < 0) return ret; - ep = of_graph_get_endpoint_by_regs(node, DSI_PORT_OUT, 0); - if (!ep) { - dev_err(dev, "no output port with endpoint specified\n"); - return -EINVAL; - } - - ret = exynos_dsi_of_read_u32(ep, "samsung,burst-clock-frequency", + ret = exynos_dsi_of_read_u32(node, "samsung,burst-clock-frequency", &dsi->burst_clk_rate); if (ret < 0) - goto end; + return ret; - ret = exynos_dsi_of_read_u32(ep, "samsung,esc-clock-frequency", + ret = exynos_dsi_of_read_u32(node, "samsung,esc-clock-frequency", &dsi->esc_clk_rate); if (ret < 0) - goto end; - - of_node_put(ep); + return ret; dsi->bridge_node = of_graph_get_remote_node(node, DSI_PORT_OUT, 0); if (!dsi->bridge_node) return -EINVAL; -end: - of_node_put(ep); - - return ret; + return 0; } static int exynos_dsi_bind(struct device *dev, struct device *master, @@ -1817,6 +1805,10 @@ static int exynos_dsi_probe(struct platform_device *pdev) static int exynos_dsi_remove(struct platform_device *pdev) { + struct exynos_dsi *dsi = platform_get_drvdata(pdev); + + of_node_put(dsi->bridge_node); + pm_runtime_disable(&pdev->dev); component_del(&pdev->dev, &exynos_dsi_component_ops); diff --git a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c b/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c index 5abc69c..f77dcfa 100644 --- a/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c +++ b/drivers/gpu/drm/hisilicon/kirin/dw_drm_dsi.c @@ -760,7 +760,7 @@ static int dsi_parse_dt(struct platform_device *pdev, struct dw_dsi *dsi) * Get the endpoint node. In our case, dsi has one output port1 * to which the external HDMI bridge is connected. */ - ret = drm_of_find_panel_or_bridge(np, 0, 0, NULL, &dsi->bridge); + ret = drm_of_find_panel_or_bridge(np, 1, 0, NULL, &dsi->bridge); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c index dca989e..24fe04d 100644 --- a/drivers/gpu/drm/i915/gvt/execlist.c +++ b/drivers/gpu/drm/i915/gvt/execlist.c @@ -779,8 +779,26 @@ static void init_vgpu_execlist(struct intel_vgpu *vgpu, int ring_id) vgpu_vreg(vgpu, ctx_status_ptr_reg) = ctx_status_ptr.dw; } +static void clean_workloads(struct intel_vgpu *vgpu, unsigned long engine_mask) +{ + struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; + struct intel_engine_cs *engine; + struct intel_vgpu_workload *pos, *n; + unsigned int tmp; + + /* free the unsubmited workloads in the queues. */ + for_each_engine_masked(engine, dev_priv, engine_mask, tmp) { + list_for_each_entry_safe(pos, n, + &vgpu->workload_q_head[engine->id], list) { + list_del_init(&pos->list); + free_workload(pos); + } + } +} + void intel_vgpu_clean_execlist(struct intel_vgpu *vgpu) { + clean_workloads(vgpu, ALL_ENGINES); kmem_cache_destroy(vgpu->workloads); } @@ -811,17 +829,9 @@ void intel_vgpu_reset_execlist(struct intel_vgpu *vgpu, { struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; struct intel_engine_cs *engine; - struct intel_vgpu_workload *pos, *n; unsigned int tmp; - for_each_engine_masked(engine, dev_priv, engine_mask, tmp) { - /* free the unsubmited workload in the queue */ - list_for_each_entry_safe(pos, n, - &vgpu->workload_q_head[engine->id], list) { - list_del_init(&pos->list); - free_workload(pos); - } - + clean_workloads(vgpu, engine_mask); + for_each_engine_masked(engine, dev_priv, engine_mask, tmp) init_vgpu_execlist(vgpu, engine->id); - } } diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index c995e54..0ffd696 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -1366,18 +1366,28 @@ static int skl_misc_ctl_write(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes) { struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv; - i915_reg_t reg = {.reg = offset}; + u32 v = *(u32 *)p_data; + + if (!IS_SKYLAKE(dev_priv) && !IS_KABYLAKE(dev_priv)) + return intel_vgpu_default_mmio_write(vgpu, + offset, p_data, bytes); switch (offset) { case 0x4ddc: - vgpu_vreg(vgpu, offset) = 0x8000003c; - /* WaCompressedResourceSamplerPbeMediaNewHashMode:skl */ - I915_WRITE(reg, vgpu_vreg(vgpu, offset)); + /* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */ + vgpu_vreg(vgpu, offset) = v & ~(1 << 31); break; case 0x42080: - vgpu_vreg(vgpu, offset) = 0x8000; - /* WaCompressedResourceDisplayNewHashMode:skl */ - I915_WRITE(reg, vgpu_vreg(vgpu, offset)); + /* bypass WaCompressedResourceDisplayNewHashMode */ + vgpu_vreg(vgpu, offset) = v & ~(1 << 15); + break; + case 0xe194: + /* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */ + vgpu_vreg(vgpu, offset) = v & ~(1 << 8); + break; + case 0x7014: + /* bypass WaCompressedResourceSamplerPbeMediaNewHashMode */ + vgpu_vreg(vgpu, offset) = v & ~(1 << 13); break; default: return -EINVAL; @@ -1634,7 +1644,8 @@ static int init_generic_mmio_info(struct intel_gvt *gvt) MMIO_DFH(GAM_ECOCHK, D_ALL, F_CMD_ACCESS, NULL, NULL); MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); - MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); + MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, + skl_misc_ctl_write); MMIO_DFH(0x9030, D_ALL, F_CMD_ACCESS, NULL, NULL); MMIO_DFH(0x20a0, D_ALL, F_CMD_ACCESS, NULL, NULL); MMIO_DFH(0x2420, D_ALL, F_CMD_ACCESS, NULL, NULL); @@ -2568,7 +2579,8 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt) MMIO_D(0x6e570, D_BDW_PLUS); MMIO_D(0x65f10, D_BDW_PLUS); - MMIO_DFH(0xe194, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); + MMIO_DFH(0xe194, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, + skl_misc_ctl_write); MMIO_DFH(0xe188, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); MMIO_DFH(HALF_SLICE_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); MMIO_DFH(0x2580, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL); diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index d689e51..4bd1467 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -292,6 +292,8 @@ static int per_file_stats(int id, void *ptr, void *data) struct file_stats *stats = data; struct i915_vma *vma; + lockdep_assert_held(&obj->base.dev->struct_mutex); + stats->count++; stats->total += obj->base.size; if (!obj->bind_count) @@ -476,6 +478,8 @@ static int i915_gem_object_info(struct seq_file *m, void *data) struct drm_i915_gem_request *request; struct task_struct *task; + mutex_lock(&dev->struct_mutex); + memset(&stats, 0, sizeof(stats)); stats.file_priv = file->driver_priv; spin_lock(&file->table_lock); @@ -487,7 +491,6 @@ static int i915_gem_object_info(struct seq_file *m, void *data) * still alive (e.g. get_pid(current) => fork() => exit()). * Therefore, we need to protect this ->comm access using RCU. */ - mutex_lock(&dev->struct_mutex); request = list_first_entry_or_null(&file_priv->mm.request_list, struct drm_i915_gem_request, client_link); @@ -497,6 +500,7 @@ static int i915_gem_object_info(struct seq_file *m, void *data) PIDTYPE_PID); print_file_stats(m, task ? task->comm : "<unknown>", stats); rcu_read_unlock(); + mutex_unlock(&dev->struct_mutex); } mutex_unlock(&dev->filelist_mutex); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 3036d48..4842867 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1235,6 +1235,15 @@ int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_fini; pci_set_drvdata(pdev, &dev_priv->drm); + /* + * Disable the system suspend direct complete optimization, which can + * leave the device suspended skipping the driver's suspend handlers + * if the device was already runtime suspended. This is needed due to + * the difference in our runtime and system suspend sequence and + * becaue the HDA driver may require us to enable the audio power + * domain during system suspend. + */ + pdev->dev_flags |= PCI_DEV_FLAGS_NEEDS_RESUME; ret = i915_driver_init_early(dev_priv, ent); if (ret < 0) @@ -1272,10 +1281,6 @@ int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent) dev_priv->ipc_enabled = false; - /* Everything is in place, we can now relax! */ - DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n", - driver.name, driver.major, driver.minor, driver.patchlevel, - driver.date, pci_name(pdev), dev_priv->drm.primary->index); if (IS_ENABLED(CONFIG_DRM_I915_DEBUG)) DRM_INFO("DRM_I915_DEBUG enabled\n"); if (IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index c9b0949..2c453a4 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -562,7 +562,8 @@ struct intel_link_m_n { void intel_link_compute_m_n(int bpp, int nlanes, int pixel_clock, int link_clock, - struct intel_link_m_n *m_n); + struct intel_link_m_n *m_n, + bool reduce_m_n); /* Interface history: * @@ -2990,6 +2991,16 @@ static inline bool intel_scanout_needs_vtd_wa(struct drm_i915_private *dev_priv) return false; } +static inline bool +intel_ggtt_update_needs_vtd_wa(struct drm_i915_private *dev_priv) +{ +#ifdef CONFIG_INTEL_IOMMU + if (IS_BROXTON(dev_priv) && intel_iommu_gfx_mapped) + return true; +#endif + return false; +} + int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv, int enable_ppgtt); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index b6ac3df..615f0a8 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2285,8 +2285,8 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) struct page *page; unsigned long last_pfn = 0; /* suppress gcc warning */ unsigned int max_segment; + gfp_t noreclaim; int ret; - gfp_t gfp; /* Assert that the object is not currently in any GPU domain. As it * wasn't in the GTT, there shouldn't be any way it could have been in @@ -2315,22 +2315,31 @@ rebuild_st: * Fail silently without starting the shrinker */ mapping = obj->base.filp->f_mapping; - gfp = mapping_gfp_constraint(mapping, ~(__GFP_IO | __GFP_RECLAIM)); - gfp |= __GFP_NORETRY | __GFP_NOWARN; + noreclaim = mapping_gfp_constraint(mapping, + ~(__GFP_IO | __GFP_RECLAIM)); + noreclaim |= __GFP_NORETRY | __GFP_NOWARN; + sg = st->sgl; st->nents = 0; for (i = 0; i < page_count; i++) { - page = shmem_read_mapping_page_gfp(mapping, i, gfp); - if (unlikely(IS_ERR(page))) { - i915_gem_shrink(dev_priv, - page_count, - I915_SHRINK_BOUND | - I915_SHRINK_UNBOUND | - I915_SHRINK_PURGEABLE); + const unsigned int shrink[] = { + I915_SHRINK_BOUND | I915_SHRINK_UNBOUND | I915_SHRINK_PURGEABLE, + 0, + }, *s = shrink; + gfp_t gfp = noreclaim; + + do { page = shmem_read_mapping_page_gfp(mapping, i, gfp); - } - if (unlikely(IS_ERR(page))) { - gfp_t reclaim; + if (likely(!IS_ERR(page))) + break; + + if (!*s) { + ret = PTR_ERR(page); + goto err_sg; + } + + i915_gem_shrink(dev_priv, 2 * page_count, *s++); + cond_resched(); /* We've tried hard to allocate the memory by reaping * our own buffer, now let the real VM do its job and @@ -2340,15 +2349,26 @@ rebuild_st: * defer the oom here by reporting the ENOMEM back * to userspace. */ - reclaim = mapping_gfp_mask(mapping); - reclaim |= __GFP_NORETRY; /* reclaim, but no oom */ - - page = shmem_read_mapping_page_gfp(mapping, i, reclaim); - if (IS_ERR(page)) { - ret = PTR_ERR(page); - goto err_sg; + if (!*s) { + /* reclaim and warn, but no oom */ + gfp = mapping_gfp_mask(mapping); + + /* Our bo are always dirty and so we require + * kswapd to reclaim our pages (direct reclaim + * does not effectively begin pageout of our + * buffers on its own). However, direct reclaim + * only waits for kswapd when under allocation + * congestion. So as a result __GFP_RECLAIM is + * unreliable and fails to actually reclaim our + * dirty pages -- unless you try over and over + * again with !__GFP_NORETRY. However, we still + * want to fail this allocation rather than + * trigger the out-of-memory killer and for + * this we want the future __GFP_MAYFAIL. + */ } - } + } while (1); + if (!i || sg->length >= max_segment || page_to_pfn(page) != last_pfn + 1) { @@ -3298,6 +3318,10 @@ int i915_gem_wait_for_idle(struct drm_i915_private *i915, unsigned int flags) { int ret; + /* If the device is asleep, we have no requests outstanding */ + if (!READ_ONCE(i915->gt.awake)) + return 0; + if (flags & I915_WAIT_LOCKED) { struct i915_gem_timeline *tl; @@ -4218,6 +4242,7 @@ i915_gem_object_create(struct drm_i915_private *dev_priv, u64 size) mapping = obj->base.filp->f_mapping; mapping_set_gfp_mask(mapping, mask); + GEM_BUG_ON(!(mapping_gfp_mask(mapping) & __GFP_RECLAIM)); i915_gem_object_init(obj, &i915_gem_object_ops); diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index a3e59c8..9ad13ee 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -546,11 +546,12 @@ repeat: } static int -i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, +i915_gem_execbuffer_relocate_entry(struct i915_vma *vma, struct eb_vmas *eb, struct drm_i915_gem_relocation_entry *reloc, struct reloc_cache *cache) { + struct drm_i915_gem_object *obj = vma->obj; struct drm_i915_private *dev_priv = to_i915(obj->base.dev); struct drm_gem_object *target_obj; struct drm_i915_gem_object *target_i915_obj; @@ -628,6 +629,16 @@ i915_gem_execbuffer_relocate_entry(struct drm_i915_gem_object *obj, return -EINVAL; } + /* + * If we write into the object, we need to force the synchronisation + * barrier, either with an asynchronous clflush or if we executed the + * patching using the GPU (though that should be serialised by the + * timeline). To be completely sure, and since we are required to + * do relocations we are already stalling, disable the user's opt + * of our synchronisation. + */ + vma->exec_entry->flags &= ~EXEC_OBJECT_ASYNC; + ret = relocate_entry(obj, reloc, cache, target_offset); if (ret) return ret; @@ -678,7 +689,7 @@ i915_gem_execbuffer_relocate_vma(struct i915_vma *vma, do { u64 offset = r->presumed_offset; - ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, r, &cache); + ret = i915_gem_execbuffer_relocate_entry(vma, eb, r, &cache); if (ret) goto out; @@ -726,7 +737,7 @@ i915_gem_execbuffer_relocate_vma_slow(struct i915_vma *vma, reloc_cache_init(&cache, eb->i915); for (i = 0; i < entry->relocation_count; i++) { - ret = i915_gem_execbuffer_relocate_entry(vma->obj, eb, &relocs[i], &cache); + ret = i915_gem_execbuffer_relocate_entry(vma, eb, &relocs[i], &cache); if (ret) break; } diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index a0563e1..f1989b8 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -2191,6 +2191,101 @@ static void gen8_ggtt_clear_range(struct i915_address_space *vm, gen8_set_pte(>t_base[i], scratch_pte); } +static void bxt_vtd_ggtt_wa(struct i915_address_space *vm) +{ + struct drm_i915_private *dev_priv = vm->i915; + + /* + * Make sure the internal GAM fifo has been cleared of all GTT + * writes before exiting stop_machine(). This guarantees that + * any aperture accesses waiting to start in another process + * cannot back up behind the GTT writes causing a hang. + * The register can be any arbitrary GAM register. + */ + POSTING_READ(GFX_FLSH_CNTL_GEN6); +} + +struct insert_page { + struct i915_address_space *vm; + dma_addr_t addr; + u64 offset; + enum i915_cache_level level; +}; + +static int bxt_vtd_ggtt_insert_page__cb(void *_arg) +{ + struct insert_page *arg = _arg; + + gen8_ggtt_insert_page(arg->vm, arg->addr, arg->offset, arg->level, 0); + bxt_vtd_ggtt_wa(arg->vm); + + return 0; +} + +static void bxt_vtd_ggtt_insert_page__BKL(struct i915_address_space *vm, + dma_addr_t addr, + u64 offset, + enum i915_cache_level level, + u32 unused) +{ + struct insert_page arg = { vm, addr, offset, level }; + + stop_machine(bxt_vtd_ggtt_insert_page__cb, &arg, NULL); +} + +struct insert_entries { + struct i915_address_space *vm; + struct sg_table *st; + u64 start; + enum i915_cache_level level; +}; + +static int bxt_vtd_ggtt_insert_entries__cb(void *_arg) +{ + struct insert_entries *arg = _arg; + + gen8_ggtt_insert_entries(arg->vm, arg->st, arg->start, arg->level, 0); + bxt_vtd_ggtt_wa(arg->vm); + + return 0; +} + +static void bxt_vtd_ggtt_insert_entries__BKL(struct i915_address_space *vm, + struct sg_table *st, + u64 start, + enum i915_cache_level level, + u32 unused) +{ + struct insert_entries arg = { vm, st, start, level }; + + stop_machine(bxt_vtd_ggtt_insert_entries__cb, &arg, NULL); +} + +struct clear_range { + struct i915_address_space *vm; + u64 start; + u64 length; +}; + +static int bxt_vtd_ggtt_clear_range__cb(void *_arg) +{ + struct clear_range *arg = _arg; + + gen8_ggtt_clear_range(arg->vm, arg->start, arg->length); + bxt_vtd_ggtt_wa(arg->vm); + + return 0; +} + +static void bxt_vtd_ggtt_clear_range__BKL(struct i915_address_space *vm, + u64 start, + u64 length) +{ + struct clear_range arg = { vm, start, length }; + + stop_machine(bxt_vtd_ggtt_clear_range__cb, &arg, NULL); +} + static void gen6_ggtt_clear_range(struct i915_address_space *vm, u64 start, u64 length) { @@ -2313,7 +2408,7 @@ static int aliasing_gtt_bind_vma(struct i915_vma *vma, appgtt->base.allocate_va_range) { ret = appgtt->base.allocate_va_range(&appgtt->base, vma->node.start, - vma->node.size); + vma->size); if (ret) goto err_pages; } @@ -2785,6 +2880,14 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt) ggtt->base.insert_entries = gen8_ggtt_insert_entries; + /* Serialize GTT updates with aperture access on BXT if VT-d is on. */ + if (intel_ggtt_update_needs_vtd_wa(dev_priv)) { + ggtt->base.insert_entries = bxt_vtd_ggtt_insert_entries__BKL; + ggtt->base.insert_page = bxt_vtd_ggtt_insert_page__BKL; + if (ggtt->base.clear_range != nop_clear_range) + ggtt->base.clear_range = bxt_vtd_ggtt_clear_range__BKL; + } + ggtt->invalidate = gen6_ggtt_invalidate; return ggtt_probe_common(ggtt, size); @@ -2997,7 +3100,8 @@ void i915_ggtt_enable_guc(struct drm_i915_private *i915) void i915_ggtt_disable_guc(struct drm_i915_private *i915) { - i915->ggtt.invalidate = gen6_ggtt_invalidate; + if (i915->ggtt.invalidate == guc_ggtt_invalidate) + i915->ggtt.invalidate = gen6_ggtt_invalidate; } void i915_gem_restore_gtt_mappings(struct drm_i915_private *dev_priv) diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c index 5ddbc94..a74d0ac 100644 --- a/drivers/gpu/drm/i915/i915_gem_request.c +++ b/drivers/gpu/drm/i915/i915_gem_request.c @@ -623,7 +623,7 @@ i915_gem_request_alloc(struct intel_engine_cs *engine, * GPU processing the request, we never over-estimate the * position of the head. */ - req->head = req->ring->tail; + req->head = req->ring->emit; /* Check that we didn't interrupt ourselves with a new request */ GEM_BUG_ON(req->timeline->seqno != req->fence.seqno); diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c index 129ed30..57d9f7f 100644 --- a/drivers/gpu/drm/i915/i915_gem_shrinker.c +++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c @@ -59,9 +59,6 @@ static void i915_gem_shrinker_unlock(struct drm_device *dev, bool unlock) return; mutex_unlock(&dev->struct_mutex); - - /* expedite the RCU grace period to free some request slabs */ - synchronize_rcu_expedited(); } static bool any_vma_pinned(struct drm_i915_gem_object *obj) @@ -274,8 +271,6 @@ unsigned long i915_gem_shrink_all(struct drm_i915_private *dev_priv) I915_SHRINK_ACTIVE); intel_runtime_pm_put(dev_priv); - synchronize_rcu(); /* wait for our earlier RCU delayed slab frees */ - return freed; } diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index a0d6d43..fb5231f 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -278,7 +278,7 @@ i915_gem_object_set_tiling(struct drm_i915_gem_object *obj, obj->mm.quirked = false; } if (!i915_gem_object_is_tiled(obj)) { - GEM_BUG_ON(!obj->mm.quirked); + GEM_BUG_ON(obj->mm.quirked); __i915_gem_object_pin_pages(obj); obj->mm.quirked = true; } diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c index 1642fff..ab5140b 100644 --- a/drivers/gpu/drm/i915/i915_guc_submission.c +++ b/drivers/gpu/drm/i915/i915_guc_submission.c @@ -480,9 +480,7 @@ static void guc_wq_item_append(struct i915_guc_client *client, GEM_BUG_ON(freespace < wqi_size); /* The GuC firmware wants the tail index in QWords, not bytes */ - tail = rq->tail; - assert_ring_tail_valid(rq->ring, rq->tail); - tail >>= 3; + tail = intel_ring_set_tail(rq->ring, rq->tail) >> 3; GEM_BUG_ON(tail > WQ_RING_TAIL_MAX); /* For now workqueue item is 4 DWs; workqueue buffer is 2 pages. So we diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index fd97fe0..190f6aa 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2953,7 +2953,6 @@ static void vlv_display_irq_postinstall(struct drm_i915_private *dev_priv) u32 pipestat_mask; u32 enable_mask; enum pipe pipe; - u32 val; pipestat_mask = PLANE_FLIP_DONE_INT_STATUS_VLV | PIPE_CRC_DONE_INTERRUPT_STATUS; @@ -2964,18 +2963,16 @@ static void vlv_display_irq_postinstall(struct drm_i915_private *dev_priv) enable_mask = I915_DISPLAY_PORT_INTERRUPT | I915_DISPLAY_PIPE_A_EVENT_INTERRUPT | - I915_DISPLAY_PIPE_B_EVENT_INTERRUPT; + I915_DISPLAY_PIPE_B_EVENT_INTERRUPT | + I915_LPE_PIPE_A_INTERRUPT | + I915_LPE_PIPE_B_INTERRUPT; + if (IS_CHERRYVIEW(dev_priv)) - enable_mask |= I915_DISPLAY_PIPE_C_EVENT_INTERRUPT; + enable_mask |= I915_DISPLAY_PIPE_C_EVENT_INTERRUPT | + I915_LPE_PIPE_C_INTERRUPT; WARN_ON(dev_priv->irq_mask != ~0); - val = (I915_LPE_PIPE_A_INTERRUPT | - I915_LPE_PIPE_B_INTERRUPT | - I915_LPE_PIPE_C_INTERRUPT); - - enable_mask |= val; - dev_priv->irq_mask = ~enable_mask; GEN5_IRQ_INIT(VLV_, dev_priv->irq_mask, enable_mask); diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index f87b0c4..1a78363 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -208,7 +208,7 @@ static const struct intel_device_info intel_ironlake_d_info = { static const struct intel_device_info intel_ironlake_m_info = { GEN5_FEATURES, .platform = INTEL_IRONLAKE, - .is_mobile = 1, + .is_mobile = 1, .has_fbc = 1, }; #define GEN6_FEATURES \ @@ -390,7 +390,6 @@ static const struct intel_device_info intel_skylake_gt3_info = { .has_hw_contexts = 1, \ .has_logical_ring_contexts = 1, \ .has_guc = 1, \ - .has_decoupled_mmio = 1, \ .has_aliasing_ppgtt = 1, \ .has_full_ppgtt = 1, \ .has_full_48bit_ppgtt = 1, \ diff --git a/drivers/gpu/drm/i915/i915_pvinfo.h b/drivers/gpu/drm/i915/i915_pvinfo.h index c0cb297..2cfe96d3 100644 --- a/drivers/gpu/drm/i915/i915_pvinfo.h +++ b/drivers/gpu/drm/i915/i915_pvinfo.h @@ -36,10 +36,6 @@ #define VGT_VERSION_MAJOR 1 #define VGT_VERSION_MINOR 0 -#define INTEL_VGT_IF_VERSION_ENCODE(major, minor) ((major) << 16 | (minor)) -#define INTEL_VGT_IF_VERSION \ - INTEL_VGT_IF_VERSION_ENCODE(VGT_VERSION_MAJOR, VGT_VERSION_MINOR) - /* * notifications from guest to vgpu device model */ @@ -55,8 +51,8 @@ enum vgt_g2v_type { struct vgt_if { u64 magic; /* VGT_MAGIC */ - uint16_t version_major; - uint16_t version_minor; + u16 version_major; + u16 version_minor; u32 vgt_id; /* ID of vGT instance */ u32 rsv1[12]; /* pad to offset 0x40 */ /* diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 5a7c63e..65b837e 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -8280,7 +8280,7 @@ enum { /* MIPI DSI registers */ -#define _MIPI_PORT(port, a, c) ((port) ? c : a) /* ports A and C only */ +#define _MIPI_PORT(port, a, c) (((port) == PORT_A) ? a : c) /* ports A and C only */ #define _MMIO_MIPI(port, a, c) _MMIO(_MIPI_PORT(port, a, c)) #define MIPIO_TXESC_CLK_DIV1 _MMIO(0x160004) diff --git a/drivers/gpu/drm/i915/i915_vgpu.c b/drivers/gpu/drm/i915/i915_vgpu.c index 4ab8a97..2e73901 100644 --- a/drivers/gpu/drm/i915/i915_vgpu.c +++ b/drivers/gpu/drm/i915/i915_vgpu.c @@ -60,8 +60,8 @@ */ void i915_check_vgpu(struct drm_i915_private *dev_priv) { - uint64_t magic; - uint32_t version; + u64 magic; + u16 version_major; BUILD_BUG_ON(sizeof(struct vgt_if) != VGT_PVINFO_SIZE); @@ -69,10 +69,8 @@ void i915_check_vgpu(struct drm_i915_private *dev_priv) if (magic != VGT_MAGIC) return; - version = INTEL_VGT_IF_VERSION_ENCODE( - __raw_i915_read16(dev_priv, vgtif_reg(version_major)), - __raw_i915_read16(dev_priv, vgtif_reg(version_minor))); - if (version != INTEL_VGT_IF_VERSION) { + version_major = __raw_i915_read16(dev_priv, vgtif_reg(version_major)); + if (version_major < VGT_VERSION_MAJOR) { DRM_INFO("VGT interface version mismatch!\n"); return; } diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index 1aba470..f066e2d 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -650,6 +650,11 @@ int i915_vma_unbind(struct i915_vma *vma) break; } + if (!ret) { + ret = i915_gem_active_retire(&vma->last_fence, + &vma->vm->i915->drm.struct_mutex); + } + __i915_vma_unpin(vma); if (ret) return ret; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 3617927..9106ea3 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -120,7 +120,8 @@ static void intel_crtc_init_scalers(struct intel_crtc *crtc, static void skylake_pfit_enable(struct intel_crtc *crtc); static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force); static void ironlake_pfit_enable(struct intel_crtc *crtc); -static void intel_modeset_setup_hw_state(struct drm_device *dev); +static void intel_modeset_setup_hw_state(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx); static void intel_pre_disable_primary_noatomic(struct drm_crtc *crtc); struct intel_limit { @@ -3449,7 +3450,7 @@ __intel_display_resume(struct drm_device *dev, struct drm_crtc *crtc; int i, ret; - intel_modeset_setup_hw_state(dev); + intel_modeset_setup_hw_state(dev, ctx); i915_redisable_vga(to_i915(dev)); if (!state) @@ -4598,7 +4599,7 @@ static void cpt_verify_modeset(struct drm_device *dev, int pipe) static int skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach, - unsigned scaler_user, int *scaler_id, unsigned int rotation, + unsigned int scaler_user, int *scaler_id, int src_w, int src_h, int dst_w, int dst_h) { struct intel_crtc_scaler_state *scaler_state = @@ -4607,9 +4608,12 @@ skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach, to_intel_crtc(crtc_state->base.crtc); int need_scaling; - need_scaling = drm_rotation_90_or_270(rotation) ? - (src_h != dst_w || src_w != dst_h): - (src_w != dst_w || src_h != dst_h); + /* + * Src coordinates are already rotated by 270 degrees for + * the 90/270 degree plane rotation cases (to match the + * GTT mapping), hence no need to account for rotation here. + */ + need_scaling = src_w != dst_w || src_h != dst_h; /* * if plane is being disabled or scaler is no more required or force detach @@ -4671,7 +4675,7 @@ int skl_update_scaler_crtc(struct intel_crtc_state *state) const struct drm_display_mode *adjusted_mode = &state->base.adjusted_mode; return skl_update_scaler(state, !state->base.active, SKL_CRTC_INDEX, - &state->scaler_state.scaler_id, DRM_ROTATE_0, + &state->scaler_state.scaler_id, state->pipe_src_w, state->pipe_src_h, adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay); } @@ -4700,7 +4704,6 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state, ret = skl_update_scaler(crtc_state, force_detach, drm_plane_index(&intel_plane->base), &plane_state->scaler_id, - plane_state->base.rotation, drm_rect_width(&plane_state->base.src) >> 16, drm_rect_height(&plane_state->base.src) >> 16, drm_rect_width(&plane_state->base.dst), @@ -5823,7 +5826,8 @@ static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state, intel_update_watermarks(intel_crtc); } -static void intel_crtc_disable_noatomic(struct drm_crtc *crtc) +static void intel_crtc_disable_noatomic(struct drm_crtc *crtc, + struct drm_modeset_acquire_ctx *ctx) { struct intel_encoder *encoder; struct intel_crtc *intel_crtc = to_intel_crtc(crtc); @@ -5853,7 +5857,7 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc) return; } - state->acquire_ctx = crtc->dev->mode_config.acquire_ctx; + state->acquire_ctx = ctx; /* Everything's already locked, -EDEADLK can't happen. */ crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); @@ -6101,7 +6105,7 @@ retry: pipe_config->fdi_lanes = lane; intel_link_compute_m_n(pipe_config->pipe_bpp, lane, fdi_dotclock, - link_bw, &pipe_config->fdi_m_n); + link_bw, &pipe_config->fdi_m_n, false); ret = ironlake_check_fdi_lanes(dev, intel_crtc->pipe, pipe_config); if (ret == -EINVAL && pipe_config->pipe_bpp > 6*3) { @@ -6277,7 +6281,8 @@ intel_reduce_m_n_ratio(uint32_t *num, uint32_t *den) } static void compute_m_n(unsigned int m, unsigned int n, - uint32_t *ret_m, uint32_t *ret_n) + uint32_t *ret_m, uint32_t *ret_n, + bool reduce_m_n) { /* * Reduce M/N as much as possible without loss in precision. Several DP @@ -6285,9 +6290,11 @@ static void compute_m_n(unsigned int m, unsigned int n, * values. The passed in values are more likely to have the least * significant bits zero than M after rounding below, so do this first. */ - while ((m & 1) == 0 && (n & 1) == 0) { - m >>= 1; - n >>= 1; + if (reduce_m_n) { + while ((m & 1) == 0 && (n & 1) == 0) { + m >>= 1; + n >>= 1; + } } *ret_n = min_t(unsigned int, roundup_pow_of_two(n), DATA_LINK_N_MAX); @@ -6298,16 +6305,19 @@ static void compute_m_n(unsigned int m, unsigned int n, void intel_link_compute_m_n(int bits_per_pixel, int nlanes, int pixel_clock, int link_clock, - struct intel_link_m_n *m_n) + struct intel_link_m_n *m_n, + bool reduce_m_n) { m_n->tu = 64; compute_m_n(bits_per_pixel * pixel_clock, link_clock * nlanes * 8, - &m_n->gmch_m, &m_n->gmch_n); + &m_n->gmch_m, &m_n->gmch_n, + reduce_m_n); compute_m_n(pixel_clock, link_clock, - &m_n->link_m, &m_n->link_n); + &m_n->link_m, &m_n->link_n, + reduce_m_n); } static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) @@ -12197,6 +12207,15 @@ static void update_scanline_offset(struct intel_crtc *crtc) * type. For DP ports it behaves like most other platforms, but on HDMI * there's an extra 1 line difference. So we need to add two instead of * one to the value. + * + * On VLV/CHV DSI the scanline counter would appear to increment + * approx. 1/3 of a scanline before start of vblank. Unfortunately + * that means we can't tell whether we're in vblank or not while + * we're on that particular line. We must still set scanline_offset + * to 1 so that the vblank timestamps come out correct when we query + * the scanline counter from within the vblank interrupt handler. + * However if queried just before the start of vblank we'll get an + * answer that's slightly in the future. */ if (IS_GEN2(dev_priv)) { const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode; @@ -15013,7 +15032,7 @@ int intel_modeset_init(struct drm_device *dev) intel_setup_outputs(dev_priv); drm_modeset_lock_all(dev); - intel_modeset_setup_hw_state(dev); + intel_modeset_setup_hw_state(dev, dev->mode_config.acquire_ctx); drm_modeset_unlock_all(dev); for_each_intel_crtc(dev, crtc) { @@ -15050,13 +15069,13 @@ int intel_modeset_init(struct drm_device *dev) return 0; } -static void intel_enable_pipe_a(struct drm_device *dev) +static void intel_enable_pipe_a(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx) { struct intel_connector *connector; struct drm_connector_list_iter conn_iter; struct drm_connector *crt = NULL; struct intel_load_detect_pipe load_detect_temp; - struct drm_modeset_acquire_ctx *ctx = dev->mode_config.acquire_ctx; int ret; /* We can't just switch on the pipe A, we need to set things up with a @@ -15128,7 +15147,8 @@ static bool has_pch_trancoder(struct drm_i915_private *dev_priv, (HAS_PCH_LPT_H(dev_priv) && pch_transcoder == TRANSCODER_A); } -static void intel_sanitize_crtc(struct intel_crtc *crtc) +static void intel_sanitize_crtc(struct intel_crtc *crtc, + struct drm_modeset_acquire_ctx *ctx) { struct drm_device *dev = crtc->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); @@ -15174,7 +15194,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) plane = crtc->plane; crtc->base.primary->state->visible = true; crtc->plane = !plane; - intel_crtc_disable_noatomic(&crtc->base); + intel_crtc_disable_noatomic(&crtc->base, ctx); crtc->plane = plane; } @@ -15184,13 +15204,13 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) * resume. Force-enable the pipe to fix this, the update_dpms * call below we restore the pipe to the right state, but leave * the required bits on. */ - intel_enable_pipe_a(dev); + intel_enable_pipe_a(dev, ctx); } /* Adjust the state of the output pipe according to whether we * have active connectors/encoders. */ if (crtc->active && !intel_crtc_has_encoders(crtc)) - intel_crtc_disable_noatomic(&crtc->base); + intel_crtc_disable_noatomic(&crtc->base, ctx); if (crtc->active || HAS_GMCH_DISPLAY(dev_priv)) { /* @@ -15488,7 +15508,8 @@ get_encoder_power_domains(struct drm_i915_private *dev_priv) * and sanitizes it to the current state */ static void -intel_modeset_setup_hw_state(struct drm_device *dev) +intel_modeset_setup_hw_state(struct drm_device *dev, + struct drm_modeset_acquire_ctx *ctx) { struct drm_i915_private *dev_priv = to_i915(dev); enum pipe pipe; @@ -15508,7 +15529,7 @@ intel_modeset_setup_hw_state(struct drm_device *dev) for_each_pipe(dev_priv, pipe) { crtc = intel_get_crtc_for_pipe(dev_priv, pipe); - intel_sanitize_crtc(crtc); + intel_sanitize_crtc(crtc, ctx); intel_dump_pipe_config(crtc, crtc->config, "[setup_hw_state]"); } diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index ee77b51..fc691b8 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1507,37 +1507,6 @@ static void intel_dp_print_rates(struct intel_dp *intel_dp) DRM_DEBUG_KMS("common rates: %s\n", str); } -bool -__intel_dp_read_desc(struct intel_dp *intel_dp, struct intel_dp_desc *desc) -{ - u32 base = drm_dp_is_branch(intel_dp->dpcd) ? DP_BRANCH_OUI : - DP_SINK_OUI; - - return drm_dp_dpcd_read(&intel_dp->aux, base, desc, sizeof(*desc)) == - sizeof(*desc); -} - -bool intel_dp_read_desc(struct intel_dp *intel_dp) -{ - struct intel_dp_desc *desc = &intel_dp->desc; - bool oui_sup = intel_dp->dpcd[DP_DOWN_STREAM_PORT_COUNT] & - DP_OUI_SUPPORT; - int dev_id_len; - - if (!__intel_dp_read_desc(intel_dp, desc)) - return false; - - dev_id_len = strnlen(desc->device_id, sizeof(desc->device_id)); - DRM_DEBUG_KMS("DP %s: OUI %*phD%s dev-ID %*pE HW-rev %d.%d SW-rev %d.%d\n", - drm_dp_is_branch(intel_dp->dpcd) ? "branch" : "sink", - (int)sizeof(desc->oui), desc->oui, oui_sup ? "" : "(NS)", - dev_id_len, desc->device_id, - desc->hw_rev >> 4, desc->hw_rev & 0xf, - desc->sw_major_rev, desc->sw_minor_rev); - - return true; -} - static int rate_to_index(int find, const int *rates) { int i = 0; @@ -1624,6 +1593,8 @@ intel_dp_compute_config(struct intel_encoder *encoder, int common_rates[DP_MAX_SUPPORTED_RATES] = {}; int common_len; uint8_t link_bw, rate_select; + bool reduce_m_n = drm_dp_has_quirk(&intel_dp->desc, + DP_DPCD_QUIRK_LIMITED_M_N); common_len = intel_dp_common_rates(intel_dp, common_rates); @@ -1753,7 +1724,8 @@ found: intel_link_compute_m_n(bpp, lane_count, adjusted_mode->crtc_clock, pipe_config->port_clock, - &pipe_config->dp_m_n); + &pipe_config->dp_m_n, + reduce_m_n); if (intel_connector->panel.downclock_mode != NULL && dev_priv->drrs.type == SEAMLESS_DRRS_SUPPORT) { @@ -1761,7 +1733,8 @@ found: intel_link_compute_m_n(bpp, lane_count, intel_connector->panel.downclock_mode->clock, pipe_config->port_clock, - &pipe_config->dp_m2_n2); + &pipe_config->dp_m2_n2, + reduce_m_n); } /* @@ -3622,7 +3595,8 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp) if (!intel_dp_read_dpcd(intel_dp)) return false; - intel_dp_read_desc(intel_dp); + drm_dp_read_desc(&intel_dp->aux, &intel_dp->desc, + drm_dp_is_branch(intel_dp->dpcd)); if (intel_dp->dpcd[DP_DPCD_REV] >= 0x11) dev_priv->no_aux_handshake = intel_dp->dpcd[DP_MAX_DOWNSPREAD] & @@ -4624,7 +4598,8 @@ intel_dp_long_pulse(struct intel_connector *intel_connector) intel_dp_print_rates(intel_dp); - intel_dp_read_desc(intel_dp); + drm_dp_read_desc(&intel_dp->aux, &intel_dp->desc, + drm_dp_is_branch(intel_dp->dpcd)); intel_dp_configure_mst(intel_dp); diff --git a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c index 6532e22..40ba313 100644 --- a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c +++ b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c @@ -119,8 +119,6 @@ static int intel_dp_aux_setup_backlight(struct intel_connector *connector, struct intel_dp *intel_dp = enc_to_intel_dp(&connector->encoder->base); struct intel_panel *panel = &connector->panel; - intel_dp_aux_enable_backlight(connector); - if (intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_BYTE_COUNT) panel->backlight.max = 0xFFFF; else diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c index c1f62eb..989e255 100644 --- a/drivers/gpu/drm/i915/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/intel_dp_mst.c @@ -44,6 +44,8 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder, int lane_count, slots; const struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; int mst_pbn; + bool reduce_m_n = drm_dp_has_quirk(&intel_dp->desc, + DP_DPCD_QUIRK_LIMITED_M_N); pipe_config->has_pch_encoder = false; bpp = 24; @@ -75,7 +77,8 @@ static bool intel_dp_mst_compute_config(struct intel_encoder *encoder, intel_link_compute_m_n(bpp, lane_count, adjusted_mode->crtc_clock, pipe_config->port_clock, - &pipe_config->dp_m_n); + &pipe_config->dp_m_n, + reduce_m_n); pipe_config->dp_m_n.tu = slots; diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index aaee394..f630c7a 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -906,14 +906,6 @@ enum link_m_n_set { M2_N2 }; -struct intel_dp_desc { - u8 oui[3]; - u8 device_id[6]; - u8 hw_rev; - u8 sw_major_rev; - u8 sw_minor_rev; -} __packed; - struct intel_dp_compliance_data { unsigned long edid; uint8_t video_pattern; @@ -957,7 +949,7 @@ struct intel_dp { /* Max link BW for the sink as per DPCD registers */ int max_sink_link_bw; /* sink or branch descriptor */ - struct intel_dp_desc desc; + struct drm_dp_desc desc; struct drm_dp_aux aux; enum intel_display_power_domain aux_power_domain; uint8_t train_set[4]; @@ -1532,9 +1524,6 @@ static inline unsigned int intel_dp_unused_lane_mask(int lane_count) } bool intel_dp_read_dpcd(struct intel_dp *intel_dp); -bool __intel_dp_read_desc(struct intel_dp *intel_dp, - struct intel_dp_desc *desc); -bool intel_dp_read_desc(struct intel_dp *intel_dp); int intel_dp_link_required(int pixel_clock, int bpp); int intel_dp_max_data_rate(int max_link_clock, int max_lanes); bool intel_digital_port_connected(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index 854e8e0..f94eacf 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1075,6 +1075,22 @@ int intel_ring_workarounds_emit(struct drm_i915_gem_request *req) return 0; } +static bool ring_is_idle(struct intel_engine_cs *engine) +{ + struct drm_i915_private *dev_priv = engine->i915; + bool idle = true; + + intel_runtime_pm_get(dev_priv); + + /* No bit for gen2, so assume the CS parser is idle */ + if (INTEL_GEN(dev_priv) > 2 && !(I915_READ_MODE(engine) & MODE_IDLE)) + idle = false; + + intel_runtime_pm_put(dev_priv); + + return idle; +} + /** * intel_engine_is_idle() - Report if the engine has finished process all work * @engine: the intel_engine_cs @@ -1084,8 +1100,6 @@ int intel_ring_workarounds_emit(struct drm_i915_gem_request *req) */ bool intel_engine_is_idle(struct intel_engine_cs *engine) { - struct drm_i915_private *dev_priv = engine->i915; - /* Any inflight/incomplete requests? */ if (!i915_seqno_passed(intel_engine_get_seqno(engine), intel_engine_last_submit(engine))) @@ -1100,7 +1114,7 @@ bool intel_engine_is_idle(struct intel_engine_cs *engine) return false; /* Ring stopped? */ - if (INTEL_GEN(dev_priv) > 2 && !(I915_READ_MODE(engine) & MODE_IDLE)) + if (!ring_is_idle(engine)) return false; return true; diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index ded2add..d93c584 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -82,20 +82,10 @@ static unsigned int get_crtc_fence_y_offset(struct intel_crtc *crtc) static void intel_fbc_get_plane_source_size(struct intel_fbc_state_cache *cache, int *width, int *height) { - int w, h; - - if (drm_rotation_90_or_270(cache->plane.rotation)) { - w = cache->plane.src_h; - h = cache->plane.src_w; - } else { - w = cache->plane.src_w; - h = cache->plane.src_h; - } - if (width) - *width = w; + *width = cache->plane.src_w; if (height) - *height = h; + *height = cache->plane.src_h; } static int intel_fbc_calculate_cfb_size(struct drm_i915_private *dev_priv, @@ -746,6 +736,11 @@ static void intel_fbc_update_state_cache(struct intel_crtc *crtc, cache->crtc.hsw_bdw_pixel_rate = crtc_state->pixel_rate; cache->plane.rotation = plane_state->base.rotation; + /* + * Src coordinates are already rotated by 270 degrees for + * the 90/270 degree plane rotation cases (to match the + * GTT mapping), hence no need to account for rotation here. + */ cache->plane.src_w = drm_rect_width(&plane_state->base.src) >> 16; cache->plane.src_h = drm_rect_height(&plane_state->base.src) >> 16; cache->plane.visible = plane_state->base.visible; diff --git a/drivers/gpu/drm/i915/intel_lpe_audio.c b/drivers/gpu/drm/i915/intel_lpe_audio.c index 668f004..292fedf 100644 --- a/drivers/gpu/drm/i915/intel_lpe_audio.c +++ b/drivers/gpu/drm/i915/intel_lpe_audio.c @@ -149,44 +149,10 @@ static void lpe_audio_platdev_destroy(struct drm_i915_private *dev_priv) static void lpe_audio_irq_unmask(struct irq_data *d) { - struct drm_i915_private *dev_priv = d->chip_data; - unsigned long irqflags; - u32 val = (I915_LPE_PIPE_A_INTERRUPT | - I915_LPE_PIPE_B_INTERRUPT); - - if (IS_CHERRYVIEW(dev_priv)) - val |= I915_LPE_PIPE_C_INTERRUPT; - - spin_lock_irqsave(&dev_priv->irq_lock, irqflags); - - dev_priv->irq_mask &= ~val; - I915_WRITE(VLV_IIR, val); - I915_WRITE(VLV_IIR, val); - I915_WRITE(VLV_IMR, dev_priv->irq_mask); - POSTING_READ(VLV_IMR); - - spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } static void lpe_audio_irq_mask(struct irq_data *d) { - struct drm_i915_private *dev_priv = d->chip_data; - unsigned long irqflags; - u32 val = (I915_LPE_PIPE_A_INTERRUPT | - I915_LPE_PIPE_B_INTERRUPT); - - if (IS_CHERRYVIEW(dev_priv)) - val |= I915_LPE_PIPE_C_INTERRUPT; - - spin_lock_irqsave(&dev_priv->irq_lock, irqflags); - - dev_priv->irq_mask |= val; - I915_WRITE(VLV_IMR, dev_priv->irq_mask); - I915_WRITE(VLV_IIR, val); - I915_WRITE(VLV_IIR, val); - POSTING_READ(VLV_IIR); - - spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags); } static struct irq_chip lpe_audio_irqchip = { @@ -330,8 +296,6 @@ void intel_lpe_audio_teardown(struct drm_i915_private *dev_priv) desc = irq_to_desc(dev_priv->lpe_audio.irq); - lpe_audio_irq_mask(&desc->irq_data); - lpe_audio_platdev_destroy(dev_priv); irq_free_desc(dev_priv->lpe_audio.irq); diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index c8f7c63..62f44d3 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -326,8 +326,7 @@ static u64 execlists_update_context(struct drm_i915_gem_request *rq) rq->ctx->ppgtt ?: rq->i915->mm.aliasing_ppgtt; u32 *reg_state = ce->lrc_reg_state; - assert_ring_tail_valid(rq->ring, rq->tail); - reg_state[CTX_RING_TAIL+1] = rq->tail; + reg_state[CTX_RING_TAIL+1] = intel_ring_set_tail(rq->ring, rq->tail); /* True 32b PPGTT with dynamic page allocation: update PDP * registers and point the unallocated PDPs to scratch page. @@ -1989,7 +1988,7 @@ static int execlists_context_deferred_alloc(struct i915_gem_context *ctx, ce->ring = ring; ce->state = vma; - ce->initialised = engine->init_context == NULL; + ce->initialised |= engine->init_context == NULL; return 0; @@ -2036,8 +2035,7 @@ void intel_lr_context_resume(struct drm_i915_private *dev_priv) ce->state->obj->mm.dirty = true; i915_gem_object_unpin_map(ce->state->obj); - ce->ring->head = ce->ring->tail = 0; - intel_ring_update_space(ce->ring); + intel_ring_reset(ce->ring, 0); } } } diff --git a/drivers/gpu/drm/i915/intel_lspcon.c b/drivers/gpu/drm/i915/intel_lspcon.c index 71cbe9c..5abef482 100644 --- a/drivers/gpu/drm/i915/intel_lspcon.c +++ b/drivers/gpu/drm/i915/intel_lspcon.c @@ -240,7 +240,7 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port) return false; } - intel_dp_read_desc(dp); + drm_dp_read_desc(&dp->aux, &dp->desc, drm_dp_is_branch(dp->dpcd)); DRM_DEBUG_KMS("Success: LSPCON init\n"); return true; diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 570bd60..078fd1b 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3373,20 +3373,26 @@ skl_plane_downscale_amount(const struct intel_crtc_state *cstate, /* n.b., src is 16.16 fixed point, dst is whole integer */ if (plane->id == PLANE_CURSOR) { + /* + * Cursors only support 0/180 degree rotation, + * hence no need to account for rotation here. + */ src_w = pstate->base.src_w; src_h = pstate->base.src_h; dst_w = pstate->base.crtc_w; dst_h = pstate->base.crtc_h; } else { + /* + * Src coordinates are already rotated by 270 degrees for + * the 90/270 degree plane rotation cases (to match the + * GTT mapping), hence no need to account for rotation here. + */ src_w = drm_rect_width(&pstate->base.src); src_h = drm_rect_height(&pstate->base.src); dst_w = drm_rect_width(&pstate->base.dst); dst_h = drm_rect_height(&pstate->base.dst); } - if (drm_rotation_90_or_270(pstate->base.rotation)) - swap(dst_w, dst_h); - downscale_h = max(src_h / dst_h, (uint32_t)DRM_PLANE_HELPER_NO_SCALING); downscale_w = max(src_w / dst_w, (uint32_t)DRM_PLANE_HELPER_NO_SCALING); @@ -3417,12 +3423,14 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *cstate, if (y && format != DRM_FORMAT_NV12) return 0; + /* + * Src coordinates are already rotated by 270 degrees for + * the 90/270 degree plane rotation cases (to match the + * GTT mapping), hence no need to account for rotation here. + */ width = drm_rect_width(&intel_pstate->base.src) >> 16; height = drm_rect_height(&intel_pstate->base.src) >> 16; - if (drm_rotation_90_or_270(pstate->rotation)) - swap(width, height); - /* for planar format */ if (format == DRM_FORMAT_NV12) { if (y) /* y-plane data rate */ @@ -3505,12 +3513,14 @@ skl_ddb_min_alloc(const struct drm_plane_state *pstate, fb->modifier != I915_FORMAT_MOD_Yf_TILED) return 8; + /* + * Src coordinates are already rotated by 270 degrees for + * the 90/270 degree plane rotation cases (to match the + * GTT mapping), hence no need to account for rotation here. + */ src_w = drm_rect_width(&intel_pstate->base.src) >> 16; src_h = drm_rect_height(&intel_pstate->base.src) >> 16; - if (drm_rotation_90_or_270(pstate->rotation)) - swap(src_w, src_h); - /* Halve UV plane width and height for NV12 */ if (fb->format->format == DRM_FORMAT_NV12 && !y) { src_w /= 2; @@ -3794,13 +3804,15 @@ static int skl_compute_plane_wm(const struct drm_i915_private *dev_priv, width = intel_pstate->base.crtc_w; height = intel_pstate->base.crtc_h; } else { + /* + * Src coordinates are already rotated by 270 degrees for + * the 90/270 degree plane rotation cases (to match the + * GTT mapping), hence no need to account for rotation here. + */ width = drm_rect_width(&intel_pstate->base.src) >> 16; height = drm_rect_height(&intel_pstate->base.src) >> 16; } - if (drm_rotation_90_or_270(pstate->rotation)) - swap(width, height); - cpp = fb->format->cpp[0]; plane_pixel_rate = skl_adjusted_plane_pixel_rate(cstate, intel_pstate); @@ -4335,11 +4347,19 @@ skl_compute_wm(struct drm_atomic_state *state) struct drm_crtc_state *cstate; struct intel_atomic_state *intel_state = to_intel_atomic_state(state); struct skl_wm_values *results = &intel_state->wm_results; + struct drm_device *dev = state->dev; struct skl_pipe_wm *pipe_wm; bool changed = false; int ret, i; /* + * When we distrust bios wm we always need to recompute to set the + * expected DDB allocations for each CRTC. + */ + if (to_i915(dev)->wm.distrust_bios_wm) + changed = true; + + /* * If this transaction isn't actually touching any CRTC's, don't * bother with watermark calculation. Note that if we pass this * test, we're guaranteed to hold at least one CRTC state mutex, @@ -4349,6 +4369,7 @@ skl_compute_wm(struct drm_atomic_state *state) */ for_each_new_crtc_in_state(state, crtc, cstate, i) changed = true; + if (!changed) return 0; diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index c3780d0..559f1ab 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -435,8 +435,9 @@ static bool intel_psr_match_conditions(struct intel_dp *intel_dp) } /* PSR2 is restricted to work with panel resolutions upto 3200x2000 */ - if (intel_crtc->config->pipe_src_w > 3200 || - intel_crtc->config->pipe_src_h > 2000) { + if (dev_priv->psr.psr2_support && + (intel_crtc->config->pipe_src_w > 3200 || + intel_crtc->config->pipe_src_h > 2000)) { dev_priv->psr.psr2_support = false; return false; } diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 66a2b8b..513a0f4 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -49,7 +49,7 @@ static int __intel_ring_space(int head, int tail, int size) void intel_ring_update_space(struct intel_ring *ring) { - ring->space = __intel_ring_space(ring->head, ring->tail, ring->size); + ring->space = __intel_ring_space(ring->head, ring->emit, ring->size); } static int @@ -774,8 +774,8 @@ static void i9xx_submit_request(struct drm_i915_gem_request *request) i915_gem_request_submit(request); - assert_ring_tail_valid(request->ring, request->tail); - I915_WRITE_TAIL(request->engine, request->tail); + I915_WRITE_TAIL(request->engine, + intel_ring_set_tail(request->ring, request->tail)); } static void i9xx_emit_breadcrumb(struct drm_i915_gem_request *req, u32 *cs) @@ -1316,11 +1316,23 @@ err: return PTR_ERR(addr); } +void intel_ring_reset(struct intel_ring *ring, u32 tail) +{ + GEM_BUG_ON(!list_empty(&ring->request_list)); + ring->tail = tail; + ring->head = tail; + ring->emit = tail; + intel_ring_update_space(ring); +} + void intel_ring_unpin(struct intel_ring *ring) { GEM_BUG_ON(!ring->vma); GEM_BUG_ON(!ring->vaddr); + /* Discard any unused bytes beyond that submitted to hw. */ + intel_ring_reset(ring, ring->tail); + if (i915_vma_is_map_and_fenceable(ring->vma)) i915_vma_unpin_iomap(ring->vma); else @@ -1562,8 +1574,9 @@ void intel_legacy_submission_resume(struct drm_i915_private *dev_priv) struct intel_engine_cs *engine; enum intel_engine_id id; + /* Restart from the beginning of the rings for convenience */ for_each_engine(engine, dev_priv, id) - engine->buffer->head = engine->buffer->tail; + intel_ring_reset(engine->buffer, 0); } static int ring_request_alloc(struct drm_i915_gem_request *request) @@ -1616,7 +1629,7 @@ static int wait_for_space(struct drm_i915_gem_request *req, int bytes) unsigned space; /* Would completion of this request free enough space? */ - space = __intel_ring_space(target->postfix, ring->tail, + space = __intel_ring_space(target->postfix, ring->emit, ring->size); if (space >= bytes) break; @@ -1641,8 +1654,8 @@ static int wait_for_space(struct drm_i915_gem_request *req, int bytes) u32 *intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords) { struct intel_ring *ring = req->ring; - int remain_actual = ring->size - ring->tail; - int remain_usable = ring->effective_size - ring->tail; + int remain_actual = ring->size - ring->emit; + int remain_usable = ring->effective_size - ring->emit; int bytes = num_dwords * sizeof(u32); int total_bytes, wait_bytes; bool need_wrap = false; @@ -1678,17 +1691,17 @@ u32 *intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords) if (unlikely(need_wrap)) { GEM_BUG_ON(remain_actual > ring->space); - GEM_BUG_ON(ring->tail + remain_actual > ring->size); + GEM_BUG_ON(ring->emit + remain_actual > ring->size); /* Fill the tail with MI_NOOP */ - memset(ring->vaddr + ring->tail, 0, remain_actual); - ring->tail = 0; + memset(ring->vaddr + ring->emit, 0, remain_actual); + ring->emit = 0; ring->space -= remain_actual; } - GEM_BUG_ON(ring->tail > ring->size - bytes); - cs = ring->vaddr + ring->tail; - ring->tail += bytes; + GEM_BUG_ON(ring->emit > ring->size - bytes); + cs = ring->vaddr + ring->emit; + ring->emit += bytes; ring->space -= bytes; GEM_BUG_ON(ring->space < 0); @@ -1699,7 +1712,7 @@ u32 *intel_ring_begin(struct drm_i915_gem_request *req, int num_dwords) int intel_ring_cacheline_align(struct drm_i915_gem_request *req) { int num_dwords = - (req->ring->tail & (CACHELINE_BYTES - 1)) / sizeof(uint32_t); + (req->ring->emit & (CACHELINE_BYTES - 1)) / sizeof(uint32_t); u32 *cs; if (num_dwords == 0) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index a82a080..f7144fe 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -145,6 +145,7 @@ struct intel_ring { u32 head; u32 tail; + u32 emit; int space; int size; @@ -488,6 +489,8 @@ intel_write_status_page(struct intel_engine_cs *engine, int reg, u32 value) struct intel_ring * intel_engine_create_ring(struct intel_engine_cs *engine, int size); int intel_ring_pin(struct intel_ring *ring, unsigned int offset_bias); +void intel_ring_reset(struct intel_ring *ring, u32 tail); +void intel_ring_update_space(struct intel_ring *ring); void intel_ring_unpin(struct intel_ring *ring); void intel_ring_free(struct intel_ring *ring); @@ -511,7 +514,7 @@ intel_ring_advance(struct drm_i915_gem_request *req, u32 *cs) * reserved for the command packet (i.e. the value passed to * intel_ring_begin()). */ - GEM_BUG_ON((req->ring->vaddr + req->ring->tail) != cs); + GEM_BUG_ON((req->ring->vaddr + req->ring->emit) != cs); } static inline u32 @@ -540,7 +543,19 @@ assert_ring_tail_valid(const struct intel_ring *ring, unsigned int tail) GEM_BUG_ON(tail >= ring->size); } -void intel_ring_update_space(struct intel_ring *ring); +static inline unsigned int +intel_ring_set_tail(struct intel_ring *ring, unsigned int tail) +{ + /* Whilst writes to the tail are strictly order, there is no + * serialisation between readers and the writers. The tail may be + * read by i915_gem_request_retire() just as it is being updated + * by execlists, as although the breadcrumb is complete, the context + * switch hasn't been seen. + */ + assert_ring_tail_valid(ring, tail); + ring->tail = tail; + return tail; +} void intel_engine_init_global_seqno(struct intel_engine_cs *engine, u32 seqno); diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 8c87c71..e6517ed 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -83,10 +83,13 @@ int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode, */ void intel_pipe_update_start(struct intel_crtc *crtc) { + struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode; long timeout = msecs_to_jiffies_timeout(1); int scanline, min, max, vblank_start; wait_queue_head_t *wq = drm_crtc_vblank_waitqueue(&crtc->base); + bool need_vlv_dsi_wa = (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) && + intel_crtc_has_type(crtc->config, INTEL_OUTPUT_DSI); DEFINE_WAIT(wait); vblank_start = adjusted_mode->crtc_vblank_start; @@ -139,6 +142,24 @@ void intel_pipe_update_start(struct intel_crtc *crtc) drm_crtc_vblank_put(&crtc->base); + /* + * On VLV/CHV DSI the scanline counter would appear to + * increment approx. 1/3 of a scanline before start of vblank. + * The registers still get latched at start of vblank however. + * This means we must not write any registers on the first + * line of vblank (since not the whole line is actually in + * vblank). And unfortunately we can't use the interrupt to + * wait here since it will fire too soon. We could use the + * frame start interrupt instead since it will fire after the + * critical scanline, but that would require more changes + * in the interrupt code. So for now we'll just do the nasty + * thing and poll for the bad scanline to pass us by. + * + * FIXME figure out if BXT+ DSI suffers from this as well + */ + while (need_vlv_dsi_wa && scanline == vblank_start) + scanline = intel_get_crtc_scanline(crtc); + crtc->debug.scanline_start = scanline; crtc->debug.start_vbl_time = ktime_get(); crtc->debug.start_vbl_count = intel_crtc_get_vblank_counter(crtc); diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h index 4b7f73a..f841152 100644 --- a/drivers/gpu/drm/i915/intel_uc.h +++ b/drivers/gpu/drm/i915/intel_uc.h @@ -59,8 +59,6 @@ struct drm_i915_gem_request; * available in the work queue (note, the queue is shared, * not per-engine). It is OK for this to be nonzero, but * it should not be huge! - * q_fail: failed to enqueue a work item. This should never happen, - * because we check for space beforehand. * b_fail: failed to ring the doorbell. This should never happen, unless * somehow the hardware misbehaves, or maybe if the GuC firmware * crashes? We probably need to reset the GPU to recover. diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/selftests/i915_gem_context.c index 1afb8b06..12b85b3 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_context.c @@ -320,7 +320,7 @@ static unsigned long max_dwords(struct drm_i915_gem_object *obj) static int igt_ctx_exec(void *arg) { struct drm_i915_private *i915 = arg; - struct drm_i915_gem_object *obj; + struct drm_i915_gem_object *obj = NULL; struct drm_file *file; IGT_TIMEOUT(end_time); LIST_HEAD(objects); @@ -359,7 +359,7 @@ static int igt_ctx_exec(void *arg) } for_each_engine(engine, i915, id) { - if (dw == 0) { + if (!obj) { obj = create_test_object(ctx, file, &objects); if (IS_ERR(obj)) { err = PTR_ERR(obj); @@ -376,8 +376,10 @@ static int igt_ctx_exec(void *arg) goto out_unlock; } - if (++dw == max_dwords(obj)) + if (++dw == max_dwords(obj)) { + obj = NULL; dw = 0; + } ndwords++; } ncontexts++; diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index 8fb801f..8b05ecb 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -673,7 +673,7 @@ static int imx_ldb_bind(struct device *dev, struct device *master, void *data) ret = drm_of_find_panel_or_bridge(child, imx_ldb->lvds_mux ? 4 : 2, 0, &channel->panel, &channel->bridge); - if (ret) + if (ret && ret != -ENODEV) return ret; /* panel ddc only if there is no bridge */ diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 808b995..b5cc6e1 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -19,6 +19,7 @@ #include <drm/drm_of.h> #include <linux/clk.h> #include <linux/component.h> +#include <linux/iopoll.h> #include <linux/irq.h> #include <linux/of.h> #include <linux/of_platform.h> @@ -900,16 +901,12 @@ static int mtk_dsi_host_detach(struct mipi_dsi_host *host, static void mtk_dsi_wait_for_idle(struct mtk_dsi *dsi) { - u32 timeout_ms = 500000; /* total 1s ~ 2s timeout */ - - while (timeout_ms--) { - if (!(readl(dsi->regs + DSI_INTSTA) & DSI_BUSY)) - break; - - usleep_range(2, 4); - } + int ret; + u32 val; - if (timeout_ms == 0) { + ret = readl_poll_timeout(dsi->regs + DSI_INTSTA, val, !(val & DSI_BUSY), + 4, 2000000); + if (ret) { DRM_WARN("polling dsi wait not busy timeout!\n"); mtk_dsi_enable(dsi); diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index 41a1c03..0a4ffd7 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -1062,7 +1062,7 @@ static int mtk_hdmi_setup_vendor_specific_infoframe(struct mtk_hdmi *hdmi, } err = hdmi_vendor_infoframe_pack(&frame, buffer, sizeof(buffer)); - if (err) { + if (err < 0) { dev_err(hdmi->dev, "Failed to pack vendor infoframe: %zd\n", err); return err; diff --git a/drivers/gpu/drm/meson/meson_drv.c b/drivers/gpu/drm/meson/meson_drv.c index 75382f5..10b227d 100644 --- a/drivers/gpu/drm/meson/meson_drv.c +++ b/drivers/gpu/drm/meson/meson_drv.c @@ -152,7 +152,7 @@ static struct regmap_config meson_regmap_config = { .max_register = 0x1000, }; -static int meson_drv_bind(struct device *dev) +static int meson_drv_bind_master(struct device *dev, bool has_components) { struct platform_device *pdev = to_platform_device(dev); struct meson_drm *priv; @@ -233,10 +233,12 @@ static int meson_drv_bind(struct device *dev) if (ret) goto free_drm; - ret = component_bind_all(drm->dev, drm); - if (ret) { - dev_err(drm->dev, "Couldn't bind all components\n"); - goto free_drm; + if (has_components) { + ret = component_bind_all(drm->dev, drm); + if (ret) { + dev_err(drm->dev, "Couldn't bind all components\n"); + goto free_drm; + } } ret = meson_plane_create(priv); @@ -276,6 +278,11 @@ free_drm: return ret; } +static int meson_drv_bind(struct device *dev) +{ + return meson_drv_bind_master(dev, true); +} + static void meson_drv_unbind(struct device *dev) { struct drm_device *drm = dev_get_drvdata(dev); @@ -357,6 +364,9 @@ static int meson_drv_probe(struct platform_device *pdev) count += meson_probe_remote(pdev, &match, np, remote); } + if (count && !match) + return meson_drv_bind_master(&pdev->dev, false); + /* If some endpoints were found, initialize the nodes */ if (count) { dev_info(&pdev->dev, "Queued %d outputs on vpu\n", count); diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index adb411a..f4b5358 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1173,7 +1173,10 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc, if (IS_G200_SE(mdev)) { - if (mdev->unique_rev_id >= 0x02) { + if (mdev->unique_rev_id >= 0x04) { + WREG8(MGAREG_CRTCEXT_INDEX, 0x06); + WREG8(MGAREG_CRTCEXT_DATA, 0); + } else if (mdev->unique_rev_id >= 0x02) { u8 hi_pri_lvl; u32 bpp; u32 mb; @@ -1639,6 +1642,10 @@ static int mga_vga_mode_valid(struct drm_connector *connector, if (mga_vga_calculate_mode_bandwidth(mode, bpp) > (30100 * 1024)) return MODE_BANDWIDTH; + } else { + if (mga_vga_calculate_mode_bandwidth(mode, bpp) + > (55000 * 1024)) + return MODE_BANDWIDTH; } } else if (mdev->type == G200_WB) { if (mode->hdisplay > 1280) diff --git a/drivers/gpu/drm/msm/Kconfig b/drivers/gpu/drm/msm/Kconfig index 5b8e23d..0a31cd6 100644 --- a/drivers/gpu/drm/msm/Kconfig +++ b/drivers/gpu/drm/msm/Kconfig @@ -13,6 +13,7 @@ config DRM_MSM select QCOM_SCM select SND_SOC_HDMI_CODEC if SND_SOC select SYNC_FILE + select PM_OPP default y help DRM/KMS driver for MSM/snapdragon. diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c index f8f48d0..9c34d78 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c @@ -116,7 +116,7 @@ static int mdss_hw_irqdomain_map(struct irq_domain *d, unsigned int irq, return 0; } -static struct irq_domain_ops mdss_hw_irqdomain_ops = { +static const struct irq_domain_ops mdss_hw_irqdomain_ops = { .map = mdss_hw_irqdomain_map, .xlate = irq_domain_xlate_onecell, }; diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c index a38c5fe..7d37412 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c @@ -225,9 +225,10 @@ mdp5_plane_duplicate_state(struct drm_plane *plane) mdp5_state = kmemdup(to_mdp5_plane_state(plane->state), sizeof(*mdp5_state), GFP_KERNEL); + if (!mdp5_state) + return NULL; - if (mdp5_state && mdp5_state->base.fb) - drm_framebuffer_reference(mdp5_state->base.fb); + __drm_atomic_helper_plane_duplicate_state(plane, &mdp5_state->base); return &mdp5_state->base; } @@ -444,6 +445,10 @@ static int mdp5_plane_atomic_check_with_state(struct drm_crtc_state *crtc_state, mdp5_pipe_release(state->state, old_hwpipe); mdp5_pipe_release(state->state, old_right_hwpipe); } + } else { + mdp5_pipe_release(state->state, mdp5_state->hwpipe); + mdp5_pipe_release(state->state, mdp5_state->r_hwpipe); + mdp5_state->hwpipe = mdp5_state->r_hwpipe = NULL; } return 0; diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 87b5695..9d498eb 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -830,6 +830,7 @@ static struct drm_driver msm_driver = { .prime_fd_to_handle = drm_gem_prime_fd_to_handle, .gem_prime_export = drm_gem_prime_export, .gem_prime_import = drm_gem_prime_import, + .gem_prime_res_obj = msm_gem_prime_res_obj, .gem_prime_pin = msm_gem_prime_pin, .gem_prime_unpin = msm_gem_prime_unpin, .gem_prime_get_sg_table = msm_gem_prime_get_sg_table, diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 28b6f9b..1b26ca6 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -224,6 +224,7 @@ struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj); void *msm_gem_prime_vmap(struct drm_gem_object *obj); void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); int msm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); +struct reservation_object *msm_gem_prime_res_obj(struct drm_gem_object *obj); struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg); int msm_gem_prime_pin(struct drm_gem_object *obj); diff --git a/drivers/gpu/drm/msm/msm_fence.c b/drivers/gpu/drm/msm/msm_fence.c index 3f299c5..a2f89ba 100644 --- a/drivers/gpu/drm/msm/msm_fence.c +++ b/drivers/gpu/drm/msm/msm_fence.c @@ -99,8 +99,8 @@ void msm_update_fence(struct msm_fence_context *fctx, uint32_t fence) } struct msm_fence { - struct msm_fence_context *fctx; struct dma_fence base; + struct msm_fence_context *fctx; }; static inline struct msm_fence *to_msm_fence(struct dma_fence *fence) @@ -130,19 +130,13 @@ static bool msm_fence_signaled(struct dma_fence *fence) return fence_completed(f->fctx, f->base.seqno); } -static void msm_fence_release(struct dma_fence *fence) -{ - struct msm_fence *f = to_msm_fence(fence); - kfree_rcu(f, base.rcu); -} - static const struct dma_fence_ops msm_fence_ops = { .get_driver_name = msm_fence_get_driver_name, .get_timeline_name = msm_fence_get_timeline_name, .enable_signaling = msm_fence_enable_signaling, .signaled = msm_fence_signaled, .wait = dma_fence_default_wait, - .release = msm_fence_release, + .release = dma_fence_free, }; struct dma_fence * diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 68e509b..50289a2 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -758,6 +758,8 @@ static int msm_gem_new_impl(struct drm_device *dev, struct msm_gem_object *msm_obj; bool use_vram = false; + WARN_ON(!mutex_is_locked(&dev->struct_mutex)); + switch (flags & MSM_BO_CACHE_MASK) { case MSM_BO_UNCACHED: case MSM_BO_CACHED: @@ -853,7 +855,11 @@ struct drm_gem_object *msm_gem_import(struct drm_device *dev, size = PAGE_ALIGN(dmabuf->size); + /* Take mutex so we can modify the inactive list in msm_gem_new_impl */ + mutex_lock(&dev->struct_mutex); ret = msm_gem_new_impl(dev, size, MSM_BO_WC, dmabuf->resv, &obj); + mutex_unlock(&dev->struct_mutex); + if (ret) goto fail; diff --git a/drivers/gpu/drm/msm/msm_gem_prime.c b/drivers/gpu/drm/msm/msm_gem_prime.c index 60bb290..13403c6 100644 --- a/drivers/gpu/drm/msm/msm_gem_prime.c +++ b/drivers/gpu/drm/msm/msm_gem_prime.c @@ -70,3 +70,10 @@ void msm_gem_prime_unpin(struct drm_gem_object *obj) if (!obj->import_attach) msm_gem_put_pages(obj); } + +struct reservation_object *msm_gem_prime_res_obj(struct drm_gem_object *obj) +{ + struct msm_gem_object *msm_obj = to_msm_bo(obj); + + return msm_obj->resv; +} diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c index 1c545eb..7832e64 100644 --- a/drivers/gpu/drm/msm/msm_gem_submit.c +++ b/drivers/gpu/drm/msm/msm_gem_submit.c @@ -410,12 +410,11 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, if (!in_fence) return -EINVAL; - /* TODO if we get an array-fence due to userspace merging multiple - * fences, we need a way to determine if all the backing fences - * are from our own context.. + /* + * Wait if the fence is from a foreign context, or if the fence + * array contains any fence from a foreign context. */ - - if (in_fence->context != gpu->fctx->context) { + if (!dma_fence_match_context(in_fence, gpu->fctx->context)) { ret = dma_fence_wait(in_fence, true); if (ret) return ret; @@ -496,8 +495,9 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data, goto out; } - if ((submit_cmd.size + submit_cmd.submit_offset) >= - msm_obj->base.size) { + if (!submit_cmd.size || + ((submit_cmd.size + submit_cmd.submit_offset) > + msm_obj->base.size)) { DRM_ERROR("invalid cmdstream size: %u\n", submit_cmd.size); ret = -EINVAL; goto out; diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index 97b9c38..0fdc88d 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -549,9 +549,9 @@ static int get_clocks(struct platform_device *pdev, struct msm_gpu *gpu) gpu->grp_clks[i] = get_clock(dev, name); /* Remember the key clocks that we need to control later */ - if (!strcmp(name, "core")) + if (!strcmp(name, "core") || !strcmp(name, "core_clk")) gpu->core_clk = gpu->grp_clks[i]; - else if (!strcmp(name, "rbbmtimer")) + else if (!strcmp(name, "rbbmtimer") || !strcmp(name, "rbbmtimer_clk")) gpu->rbbmtimer_clk = gpu->grp_clks[i]; ++i; diff --git a/drivers/gpu/drm/mxsfb/mxsfb_crtc.c b/drivers/gpu/drm/mxsfb/mxsfb_crtc.c index 1144e0c..0abe776 100644 --- a/drivers/gpu/drm/mxsfb/mxsfb_crtc.c +++ b/drivers/gpu/drm/mxsfb/mxsfb_crtc.c @@ -35,6 +35,13 @@ #include "mxsfb_drv.h" #include "mxsfb_regs.h" +#define MXS_SET_ADDR 0x4 +#define MXS_CLR_ADDR 0x8 +#define MODULE_CLKGATE BIT(30) +#define MODULE_SFTRST BIT(31) +/* 1 second delay should be plenty of time for block reset */ +#define RESET_TIMEOUT 1000000 + static u32 set_hsync_pulse_width(struct mxsfb_drm_private *mxsfb, u32 val) { return (val & mxsfb->devdata->hs_wdth_mask) << @@ -159,6 +166,36 @@ static void mxsfb_disable_controller(struct mxsfb_drm_private *mxsfb) clk_disable_unprepare(mxsfb->clk_disp_axi); } +/* + * Clear the bit and poll it cleared. This is usually called with + * a reset address and mask being either SFTRST(bit 31) or CLKGATE + * (bit 30). + */ +static int clear_poll_bit(void __iomem *addr, u32 mask) +{ + u32 reg; + + writel(mask, addr + MXS_CLR_ADDR); + return readl_poll_timeout(addr, reg, !(reg & mask), 0, RESET_TIMEOUT); +} + +static int mxsfb_reset_block(void __iomem *reset_addr) +{ + int ret; + + ret = clear_poll_bit(reset_addr, MODULE_SFTRST); + if (ret) + return ret; + + writel(MODULE_CLKGATE, reset_addr + MXS_CLR_ADDR); + + ret = clear_poll_bit(reset_addr, MODULE_SFTRST); + if (ret) + return ret; + + return clear_poll_bit(reset_addr, MODULE_CLKGATE); +} + static void mxsfb_crtc_mode_set_nofb(struct mxsfb_drm_private *mxsfb) { struct drm_display_mode *m = &mxsfb->pipe.crtc.state->adjusted_mode; @@ -173,6 +210,11 @@ static void mxsfb_crtc_mode_set_nofb(struct mxsfb_drm_private *mxsfb) */ mxsfb_enable_axi_clk(mxsfb); + /* Mandatory eLCDIF reset as per the Reference Manual */ + err = mxsfb_reset_block(mxsfb->base); + if (err) + return; + /* Clear the FIFOs */ writel(CTRL1_FIFO_CLEAR, mxsfb->base + LCDC_CTRL1 + REG_SET); diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h index 6a567fe..820a480 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h @@ -4,6 +4,7 @@ struct nvkm_alarm { struct list_head head; + struct list_head exec; u64 timestamp; void (*func)(struct nvkm_alarm *); }; diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 36268e1..15a13d0 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -80,7 +80,7 @@ int nouveau_modeset = -1; module_param_named(modeset, nouveau_modeset, int, 0400); MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)"); -int nouveau_runtime_pm = -1; +static int nouveau_runtime_pm = -1; module_param_named(runpm, nouveau_runtime_pm, int, 0400); static struct drm_driver driver_stub; @@ -495,7 +495,7 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags) nouveau_fbcon_init(dev); nouveau_led_init(dev); - if (nouveau_runtime_pm != 0) { + if (nouveau_pmops_runtime()) { pm_runtime_use_autosuspend(dev->dev); pm_runtime_set_autosuspend_delay(dev->dev, 5000); pm_runtime_set_active(dev->dev); @@ -527,7 +527,7 @@ nouveau_drm_unload(struct drm_device *dev) { struct nouveau_drm *drm = nouveau_drm(dev); - if (nouveau_runtime_pm != 0) { + if (nouveau_pmops_runtime()) { pm_runtime_get_sync(dev->dev); pm_runtime_forbid(dev->dev); } @@ -726,6 +726,14 @@ nouveau_pmops_thaw(struct device *dev) return nouveau_do_resume(drm_dev, false); } +bool +nouveau_pmops_runtime() +{ + if (nouveau_runtime_pm == -1) + return nouveau_is_optimus() || nouveau_is_v1_dsm(); + return nouveau_runtime_pm == 1; +} + static int nouveau_pmops_runtime_suspend(struct device *dev) { @@ -733,14 +741,7 @@ nouveau_pmops_runtime_suspend(struct device *dev) struct drm_device *drm_dev = pci_get_drvdata(pdev); int ret; - if (nouveau_runtime_pm == 0) { - pm_runtime_forbid(dev); - return -EBUSY; - } - - /* are we optimus enabled? */ - if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { - DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); + if (!nouveau_pmops_runtime()) { pm_runtime_forbid(dev); return -EBUSY; } @@ -765,8 +766,10 @@ nouveau_pmops_runtime_resume(struct device *dev) struct nvif_device *device = &nouveau_drm(drm_dev)->client.device; int ret; - if (nouveau_runtime_pm == 0) - return -EINVAL; + if (!nouveau_pmops_runtime()) { + pm_runtime_forbid(dev); + return -EBUSY; + } pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); @@ -796,14 +799,7 @@ nouveau_pmops_runtime_idle(struct device *dev) struct nouveau_drm *drm = nouveau_drm(drm_dev); struct drm_crtc *crtc; - if (nouveau_runtime_pm == 0) { - pm_runtime_forbid(dev); - return -EBUSY; - } - - /* are we optimus enabled? */ - if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { - DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); + if (!nouveau_pmops_runtime()) { pm_runtime_forbid(dev); return -EBUSY; } diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index eadec2f..a11b6aa 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -108,8 +108,6 @@ nouveau_cli(struct drm_file *fpriv) #include <nvif/object.h> #include <nvif/device.h> -extern int nouveau_runtime_pm; - struct nouveau_drm { struct nouveau_cli client; struct drm_device *dev; @@ -195,6 +193,7 @@ nouveau_drm(struct drm_device *dev) int nouveau_pmops_suspend(struct device *); int nouveau_pmops_resume(struct device *); +bool nouveau_pmops_runtime(void); #include <nvkm/core/tegra.h> diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c index a4aacbc..02fe0ef 100644 --- a/drivers/gpu/drm/nouveau/nouveau_vga.c +++ b/drivers/gpu/drm/nouveau/nouveau_vga.c @@ -87,7 +87,7 @@ void nouveau_vga_init(struct nouveau_drm *drm) { struct drm_device *dev = drm->dev; - bool runtime = false; + bool runtime = nouveau_pmops_runtime(); /* only relevant for PCI devices */ if (!dev->pdev) @@ -99,10 +99,6 @@ nouveau_vga_init(struct nouveau_drm *drm) if (pci_is_thunderbolt_attached(dev->pdev)) return; - if (nouveau_runtime_pm == 1) - runtime = true; - if ((nouveau_runtime_pm == -1) && (nouveau_is_optimus() || nouveau_is_v1_dsm())) - runtime = true; vga_switcheroo_register_client(dev->pdev, &nouveau_switcheroo_ops, runtime); if (runtime && nouveau_is_v1_dsm() && !nouveau_is_optimus()) @@ -113,18 +109,13 @@ void nouveau_vga_fini(struct nouveau_drm *drm) { struct drm_device *dev = drm->dev; - bool runtime = false; + bool runtime = nouveau_pmops_runtime(); vga_client_register(dev->pdev, NULL, NULL, NULL); if (pci_is_thunderbolt_attached(dev->pdev)) return; - if (nouveau_runtime_pm == 1) - runtime = true; - if ((nouveau_runtime_pm == -1) && (nouveau_is_optimus() || nouveau_is_v1_dsm())) - runtime = true; - vga_switcheroo_unregister_client(dev->pdev); if (runtime && nouveau_is_v1_dsm() && !nouveau_is_optimus()) vga_switcheroo_fini_domain_pm_ops(drm->dev->dev); diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index a766324..06e564a 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -2107,7 +2107,8 @@ nv50_head_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) asyc->set.dither = true; } } else { - asyc->set.mask = ~0; + if (asyc) + asyc->set.mask = ~0; asyh->set.mask = ~0; } diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/base.c index f2a86ea..2437f7d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/timer/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/timer/base.c @@ -50,7 +50,8 @@ nvkm_timer_alarm_trigger(struct nvkm_timer *tmr) /* Move to completed list. We'll drop the lock before * executing the callback so it can reschedule itself. */ - list_move_tail(&alarm->head, &exec); + list_del_init(&alarm->head); + list_add(&alarm->exec, &exec); } /* Shut down interrupt if no more pending alarms. */ @@ -59,8 +60,8 @@ nvkm_timer_alarm_trigger(struct nvkm_timer *tmr) spin_unlock_irqrestore(&tmr->lock, flags); /* Execute completed callbacks. */ - list_for_each_entry_safe(alarm, atemp, &exec, head) { - list_del_init(&alarm->head); + list_for_each_entry_safe(alarm, atemp, &exec, exec) { + list_del(&alarm->exec); alarm->func(alarm); } } diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 008c145..ca44233 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -9267,8 +9267,11 @@ static void dce8_program_watermarks(struct radeon_device *rdev, u32 tmp, wm_mask; if (radeon_crtc->base.enabled && num_heads && mode) { - active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock; - line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535); + active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000, + (u32)mode->clock); + line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000, + (u32)mode->clock); + line_time = min(line_time, (u32)65535); /* watermark for high clocks */ if ((rdev->pm.pm_method == PM_METHOD_DPM) && diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 0bf1035..5346372 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2266,8 +2266,11 @@ static void evergreen_program_watermarks(struct radeon_device *rdev, fixed20_12 a, b, c; if (radeon_crtc->base.enabled && num_heads && mode) { - active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock; - line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535); + active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000, + (u32)mode->clock); + line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000, + (u32)mode->clock); + line_time = min(line_time, (u32)65535); priority_a_cnt = 0; priority_b_cnt = 0; dram_channels = evergreen_get_number_of_dram_channels(rdev); diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 432480f..3178ba0 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -3393,6 +3393,13 @@ void radeon_combios_asic_init(struct drm_device *dev) rdev->pdev->subsystem_vendor == 0x103c && rdev->pdev->subsystem_device == 0x280a) return; + /* quirk for rs4xx Toshiba Sattellite L20-183 latop to make it resume + * - it hangs on resume inside the dynclk 1 table. + */ + if (rdev->family == CHIP_RS400 && + rdev->pdev->subsystem_vendor == 0x1179 && + rdev->pdev->subsystem_device == 0xff31) + return; /* DYN CLK 1 */ table = combios_get_table_offset(dev, COMBIOS_DYN_CLK_1_TABLE); diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 6ecf427..0a6444d 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -136,6 +136,10 @@ static struct radeon_px_quirk radeon_px_quirk_list[] = { * https://bugzilla.kernel.org/show_bug.cgi?id=51381 */ { PCI_VENDOR_ID_ATI, 0x6840, 0x1043, 0x2122, RADEON_PX_QUIRK_DISABLE_PX }, + /* Asus K53TK laptop with AMD A6-3420M APU and Radeon 7670m GPU + * https://bugs.freedesktop.org/show_bug.cgi?id=101491 + */ + { PCI_VENDOR_ID_ATI, 0x6741, 0x1043, 0x2122, RADEON_PX_QUIRK_DISABLE_PX }, /* macbook pro 8.2 */ { PCI_VENDOR_ID_ATI, 0x6741, PCI_VENDOR_ID_APPLE, 0x00e2, RADEON_PX_QUIRK_LONG_WAKEUP }, { 0, 0, 0, 0, 0 }, diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index 7431eb4..d34d1cf 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -621,7 +621,7 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p, } /* TODO: is this still necessary on NI+ ? */ - if ((cmd == 0 || cmd == 1 || cmd == 0x3) && + if ((cmd == 0 || cmd == 0x3) && (start >> 28) != (p->rdev->uvd.gpu_addr >> 28)) { DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n", start, end); diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 76d1888..5303f25 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2284,8 +2284,11 @@ static void dce6_program_watermarks(struct radeon_device *rdev, fixed20_12 a, b, c; if (radeon_crtc->base.enabled && num_heads && mode) { - active_time = 1000000UL * (u32)mode->crtc_hdisplay / (u32)mode->clock; - line_time = min((u32) (1000000UL * (u32)mode->crtc_htotal / (u32)mode->clock), (u32)65535); + active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000, + (u32)mode->clock); + line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000, + (u32)mode->clock); + line_time = min(line_time, (u32)65535); priority_a_cnt = 0; priority_b_cnt = 0; diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index d8fa7a9..ce5f2d1 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -245,8 +245,6 @@ rockchip_dp_drm_encoder_atomic_check(struct drm_encoder *encoder, struct drm_connector_state *conn_state) { struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state); - struct rockchip_dp_device *dp = to_dp(encoder); - int ret; /* * The hardware IC designed that VOP must output the RGB10 video @@ -258,16 +256,6 @@ rockchip_dp_drm_encoder_atomic_check(struct drm_encoder *encoder, s->output_mode = ROCKCHIP_OUT_MODE_AAAA; s->output_type = DRM_MODE_CONNECTOR_eDP; - if (dp->data->chip_type == RK3399_EDP) { - /* - * For RK3399, VOP Lit must code the out mode to RGB888, - * VOP Big must code the out mode to RGB10. - */ - ret = drm_of_encoder_active_endpoint_id(dp->dev->of_node, - encoder); - if (ret > 0) - s->output_mode = ROCKCHIP_OUT_MODE_P888; - } return 0; } diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c index a2169dd..14fa1f8 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-core.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c @@ -615,7 +615,6 @@ static void cdn_dp_encoder_enable(struct drm_encoder *encoder) { struct cdn_dp_device *dp = encoder_to_dp(encoder); int ret, val; - struct rockchip_crtc_state *state; ret = drm_of_encoder_active_endpoint_id(dp->dev->of_node, encoder); if (ret < 0) { @@ -625,14 +624,10 @@ static void cdn_dp_encoder_enable(struct drm_encoder *encoder) DRM_DEV_DEBUG_KMS(dp->dev, "vop %s output to cdn-dp\n", (ret) ? "LIT" : "BIG"); - state = to_rockchip_crtc_state(encoder->crtc->state); - if (ret) { + if (ret) val = DP_SEL_VOP_LIT | (DP_SEL_VOP_LIT << 16); - state->output_mode = ROCKCHIP_OUT_MODE_P888; - } else { + else val = DP_SEL_VOP_LIT << 16; - state->output_mode = ROCKCHIP_OUT_MODE_AAAA; - } ret = cdn_dp_grf_write(dp, GRF_SOC_CON9, val); if (ret) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 3f7a82d..45589d6 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -875,6 +875,7 @@ static bool vop_crtc_mode_fixup(struct drm_crtc *crtc, static void vop_crtc_enable(struct drm_crtc *crtc) { struct vop *vop = to_vop(crtc); + const struct vop_data *vop_data = vop->data; struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc->state); struct drm_display_mode *adjusted_mode = &crtc->state->adjusted_mode; u16 hsync_len = adjusted_mode->hsync_end - adjusted_mode->hsync_start; @@ -967,6 +968,13 @@ static void vop_crtc_enable(struct drm_crtc *crtc) DRM_DEV_ERROR(vop->dev, "unsupported connector_type [%d]\n", s->output_type); } + + /* + * if vop is not support RGB10 output, need force RGB10 to RGB888. + */ + if (s->output_mode == ROCKCHIP_OUT_MODE_AAAA && + !(vop_data->feature & VOP_FEATURE_OUTPUT_RGB10)) + s->output_mode = ROCKCHIP_OUT_MODE_P888; VOP_CTRL_SET(vop, out_mode, s->output_mode); VOP_CTRL_SET(vop, htotal_pw, (htotal << 16) | hsync_len); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h index 5a4faa85..9979fd0 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h @@ -142,6 +142,9 @@ struct vop_data { const struct vop_intr *intr; const struct vop_win_data *win; unsigned int win_size; + +#define VOP_FEATURE_OUTPUT_RGB10 BIT(0) + u64 feature; }; /* interrupt define */ diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c index 0da4444..bafd698 100644 --- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c +++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c @@ -275,6 +275,7 @@ static const struct vop_intr rk3288_vop_intr = { static const struct vop_data rk3288_vop = { .init_table = rk3288_init_reg_table, .table_size = ARRAY_SIZE(rk3288_init_reg_table), + .feature = VOP_FEATURE_OUTPUT_RGB10, .intr = &rk3288_vop_intr, .ctrl = &rk3288_ctrl_data, .win = rk3288_vop_win_data, @@ -343,6 +344,7 @@ static const struct vop_reg_data rk3399_init_reg_table[] = { static const struct vop_data rk3399_vop_big = { .init_table = rk3399_init_reg_table, .table_size = ARRAY_SIZE(rk3399_init_reg_table), + .feature = VOP_FEATURE_OUTPUT_RGB10, .intr = &rk3399_vop_intr, .ctrl = &rk3399_ctrl_data, /* diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 9a1e34e..81f86a6 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -451,18 +451,6 @@ fail: #ifdef CONFIG_DRM_TEGRA_STAGING -static struct tegra_drm_context * -tegra_drm_file_get_context(struct tegra_drm_file *file, u32 id) -{ - struct tegra_drm_context *context; - - mutex_lock(&file->lock); - context = idr_find(&file->contexts, id); - mutex_unlock(&file->lock); - - return context; -} - static int tegra_gem_create(struct drm_device *drm, void *data, struct drm_file *file) { @@ -551,7 +539,7 @@ static int tegra_client_open(struct tegra_drm_file *fpriv, if (err < 0) return err; - err = idr_alloc(&fpriv->contexts, context, 0, 0, GFP_KERNEL); + err = idr_alloc(&fpriv->contexts, context, 1, 0, GFP_KERNEL); if (err < 0) { client->ops->close_channel(context); return err; @@ -606,7 +594,7 @@ static int tegra_close_channel(struct drm_device *drm, void *data, mutex_lock(&fpriv->lock); - context = tegra_drm_file_get_context(fpriv, args->context); + context = idr_find(&fpriv->contexts, args->context); if (!context) { err = -EINVAL; goto unlock; @@ -631,7 +619,7 @@ static int tegra_get_syncpt(struct drm_device *drm, void *data, mutex_lock(&fpriv->lock); - context = tegra_drm_file_get_context(fpriv, args->context); + context = idr_find(&fpriv->contexts, args->context); if (!context) { err = -ENODEV; goto unlock; @@ -660,7 +648,7 @@ static int tegra_submit(struct drm_device *drm, void *data, mutex_lock(&fpriv->lock); - context = tegra_drm_file_get_context(fpriv, args->context); + context = idr_find(&fpriv->contexts, args->context); if (!context) { err = -ENODEV; goto unlock; @@ -685,7 +673,7 @@ static int tegra_get_syncpt_base(struct drm_device *drm, void *data, mutex_lock(&fpriv->lock); - context = tegra_drm_file_get_context(fpriv, args->context); + context = idr_find(&fpriv->contexts, args->context); if (!context) { err = -ENODEV; goto unlock; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c index 13db8a2..1f013d4 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf_res.c @@ -321,6 +321,7 @@ void vmw_cmdbuf_res_man_destroy(struct vmw_cmdbuf_res_manager *man) list_for_each_entry_safe(entry, next, &man->list, head) vmw_cmdbuf_res_free(man, entry); + drm_ht_remove(&man->resources); kfree(man); } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 130d51c..4b948fb 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -41,9 +41,9 @@ #include <drm/ttm/ttm_module.h> #include "vmwgfx_fence.h" -#define VMWGFX_DRIVER_DATE "20170221" +#define VMWGFX_DRIVER_DATE "20170607" #define VMWGFX_DRIVER_MAJOR 2 -#define VMWGFX_DRIVER_MINOR 12 +#define VMWGFX_DRIVER_MINOR 13 #define VMWGFX_DRIVER_PATCHLEVEL 0 #define VMWGFX_FILE_PAGE_OFFSET 0x00100000 #define VMWGFX_FIFO_STATIC_SIZE (1024*1024) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c index b6a0806..a1c68e6 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c @@ -368,6 +368,8 @@ static void *vmw_local_fifo_reserve(struct vmw_private *dev_priv, return fifo_state->static_buffer; else { fifo_state->dynamic_buffer = vmalloc(bytes); + if (!fifo_state->dynamic_buffer) + goto out_err; return fifo_state->dynamic_buffer; } } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index ef9f3a2..1d2db5d 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -274,108 +274,6 @@ void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv) } - -/** - * vmw_du_cursor_plane_update() - Update cursor image and location - * - * @plane: plane object to update - * @crtc: owning CRTC of @plane - * @fb: framebuffer to flip onto plane - * @crtc_x: x offset of plane on crtc - * @crtc_y: y offset of plane on crtc - * @crtc_w: width of plane rectangle on crtc - * @crtc_h: height of plane rectangle on crtc - * @src_x: Not used - * @src_y: Not used - * @src_w: Not used - * @src_h: Not used - * - * - * RETURNS: - * Zero on success, error code on failure - */ -int vmw_du_cursor_plane_update(struct drm_plane *plane, - struct drm_crtc *crtc, - struct drm_framebuffer *fb, - int crtc_x, int crtc_y, - unsigned int crtc_w, - unsigned int crtc_h, - uint32_t src_x, uint32_t src_y, - uint32_t src_w, uint32_t src_h) -{ - struct vmw_private *dev_priv = vmw_priv(crtc->dev); - struct vmw_display_unit *du = vmw_crtc_to_du(crtc); - struct vmw_surface *surface = NULL; - struct vmw_dma_buffer *dmabuf = NULL; - s32 hotspot_x, hotspot_y; - int ret; - - hotspot_x = du->hotspot_x + fb->hot_x; - hotspot_y = du->hotspot_y + fb->hot_y; - - /* A lot of the code assumes this */ - if (crtc_w != 64 || crtc_h != 64) { - ret = -EINVAL; - goto out; - } - - if (vmw_framebuffer_to_vfb(fb)->dmabuf) - dmabuf = vmw_framebuffer_to_vfbd(fb)->buffer; - else - surface = vmw_framebuffer_to_vfbs(fb)->surface; - - if (surface && !surface->snooper.image) { - DRM_ERROR("surface not suitable for cursor\n"); - ret = -EINVAL; - goto out; - } - - /* setup new image */ - ret = 0; - if (surface) { - /* vmw_user_surface_lookup takes one reference */ - du->cursor_surface = surface; - - du->cursor_age = du->cursor_surface->snooper.age; - - ret = vmw_cursor_update_image(dev_priv, surface->snooper.image, - 64, 64, hotspot_x, hotspot_y); - } else if (dmabuf) { - /* vmw_user_surface_lookup takes one reference */ - du->cursor_dmabuf = dmabuf; - - ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, crtc_w, crtc_h, - hotspot_x, hotspot_y); - } else { - vmw_cursor_update_position(dev_priv, false, 0, 0); - goto out; - } - - if (!ret) { - du->cursor_x = crtc_x + du->set_gui_x; - du->cursor_y = crtc_y + du->set_gui_y; - - vmw_cursor_update_position(dev_priv, true, - du->cursor_x + hotspot_x, - du->cursor_y + hotspot_y); - } - -out: - return ret; -} - - -int vmw_du_cursor_plane_disable(struct drm_plane *plane) -{ - if (plane->fb) { - drm_framebuffer_unreference(plane->fb); - plane->fb = NULL; - } - - return -EINVAL; -} - - void vmw_du_cursor_plane_destroy(struct drm_plane *plane) { vmw_cursor_update_position(plane->dev->dev_private, false, 0, 0); @@ -473,18 +371,6 @@ vmw_du_cursor_plane_prepare_fb(struct drm_plane *plane, void -vmw_du_cursor_plane_atomic_disable(struct drm_plane *plane, - struct drm_plane_state *old_state) -{ - struct drm_crtc *crtc = plane->state->crtc ?: old_state->crtc; - struct vmw_private *dev_priv = vmw_priv(crtc->dev); - - drm_atomic_set_fb_for_plane(plane->state, NULL); - vmw_cursor_update_position(dev_priv, false, 0, 0); -} - - -void vmw_du_cursor_plane_atomic_update(struct drm_plane *plane, struct drm_plane_state *old_state) { @@ -1498,6 +1384,7 @@ vmw_kms_new_framebuffer(struct vmw_private *dev_priv, */ if (vmw_kms_srf_ok(dev_priv, mode_cmd->width, mode_cmd->height) && dmabuf && only_2d && + mode_cmd->width > 64 && /* Don't create a proxy for cursor */ dev_priv->active_display_unit == vmw_du_screen_target) { ret = vmw_create_dmabuf_proxy(dev_priv->dev, mode_cmd, dmabuf, &surface); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h index 13f2f1d2..5f8d678 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h @@ -256,10 +256,6 @@ int vmw_du_crtc_gamma_set(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, uint32_t size, struct drm_modeset_acquire_ctx *ctx); -int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv, - uint32_t handle, uint32_t width, uint32_t height, - int32_t hot_x, int32_t hot_y); -int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y); int vmw_du_connector_set_property(struct drm_connector *connector, struct drm_property *property, uint64_t val); @@ -339,15 +335,6 @@ void vmw_kms_create_implicit_placement_property(struct vmw_private *dev_priv, /* Universal Plane Helpers */ void vmw_du_primary_plane_destroy(struct drm_plane *plane); void vmw_du_cursor_plane_destroy(struct drm_plane *plane); -int vmw_du_cursor_plane_disable(struct drm_plane *plane); -int vmw_du_cursor_plane_update(struct drm_plane *plane, - struct drm_crtc *crtc, - struct drm_framebuffer *fb, - int crtc_x, int crtc_y, - unsigned int crtc_w, - unsigned int crtc_h, - uint32_t src_x, uint32_t src_y, - uint32_t src_w, uint32_t src_h); /* Atomic Helpers */ int vmw_du_primary_plane_atomic_check(struct drm_plane *plane, @@ -356,8 +343,6 @@ int vmw_du_cursor_plane_atomic_check(struct drm_plane *plane, struct drm_plane_state *state); void vmw_du_cursor_plane_atomic_update(struct drm_plane *plane, struct drm_plane_state *old_state); -void vmw_du_cursor_plane_atomic_disable(struct drm_plane *plane, - struct drm_plane_state *old_state); int vmw_du_cursor_plane_prepare_fb(struct drm_plane *plane, struct drm_plane_state *new_state); void vmw_du_plane_cleanup_fb(struct drm_plane *plane, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c index bad31bd..50be1f0 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c @@ -56,6 +56,8 @@ enum stdu_content_type { * @right: Right side of bounding box. * @top: Top side of bounding box. * @bottom: Bottom side of bounding box. + * @fb_left: Left side of the framebuffer/content bounding box + * @fb_top: Top of the framebuffer/content bounding box * @buf: DMA buffer when DMA-ing between buffer and screen targets. * @sid: Surface ID when copying between surface and screen targets. */ @@ -63,6 +65,7 @@ struct vmw_stdu_dirty { struct vmw_kms_dirty base; SVGA3dTransferType transfer; s32 left, right, top, bottom; + s32 fb_left, fb_top; u32 pitch; union { struct vmw_dma_buffer *buf; @@ -647,7 +650,7 @@ static void vmw_stdu_dmabuf_fifo_commit(struct vmw_kms_dirty *dirty) * * @dirty: The closure structure. * - * This function calculates the bounding box for all the incoming clips + * This function calculates the bounding box for all the incoming clips. */ static void vmw_stdu_dmabuf_cpu_clip(struct vmw_kms_dirty *dirty) { @@ -656,11 +659,19 @@ static void vmw_stdu_dmabuf_cpu_clip(struct vmw_kms_dirty *dirty) dirty->num_hits = 1; - /* Calculate bounding box */ + /* Calculate destination bounding box */ ddirty->left = min_t(s32, ddirty->left, dirty->unit_x1); ddirty->top = min_t(s32, ddirty->top, dirty->unit_y1); ddirty->right = max_t(s32, ddirty->right, dirty->unit_x2); ddirty->bottom = max_t(s32, ddirty->bottom, dirty->unit_y2); + + /* + * Calculate content bounding box. We only need the top-left + * coordinate because width and height will be the same as the + * destination bounding box above + */ + ddirty->fb_left = min_t(s32, ddirty->fb_left, dirty->fb_x); + ddirty->fb_top = min_t(s32, ddirty->fb_top, dirty->fb_y); } @@ -697,11 +708,11 @@ static void vmw_stdu_dmabuf_cpu_commit(struct vmw_kms_dirty *dirty) /* Assume we are blitting from Host (display_srf) to Guest (dmabuf) */ src_pitch = stdu->display_srf->base_size.width * stdu->cpp; src = ttm_kmap_obj_virtual(&stdu->host_map, ¬_used); - src += dirty->unit_y1 * src_pitch + dirty->unit_x1 * stdu->cpp; + src += ddirty->top * src_pitch + ddirty->left * stdu->cpp; dst_pitch = ddirty->pitch; dst = ttm_kmap_obj_virtual(&stdu->guest_map, ¬_used); - dst += dirty->fb_y * dst_pitch + dirty->fb_x * stdu->cpp; + dst += ddirty->fb_top * dst_pitch + ddirty->fb_left * stdu->cpp; /* Figure out the real direction */ @@ -760,7 +771,7 @@ static void vmw_stdu_dmabuf_cpu_commit(struct vmw_kms_dirty *dirty) } out_cleanup: - ddirty->left = ddirty->top = S32_MAX; + ddirty->left = ddirty->top = ddirty->fb_left = ddirty->fb_top = S32_MAX; ddirty->right = ddirty->bottom = S32_MIN; } @@ -812,6 +823,7 @@ int vmw_kms_stdu_dma(struct vmw_private *dev_priv, SVGA3D_READ_HOST_VRAM; ddirty.left = ddirty.top = S32_MAX; ddirty.right = ddirty.bottom = S32_MIN; + ddirty.fb_left = ddirty.fb_top = S32_MAX; ddirty.pitch = vfb->base.pitches[0]; ddirty.buf = buf; ddirty.base.fifo_commit = vmw_stdu_dmabuf_fifo_commit; @@ -1355,6 +1367,11 @@ vmw_stdu_primary_plane_atomic_update(struct drm_plane *plane, DRM_ERROR("Failed to bind surface to STDU.\n"); else crtc->primary->fb = plane->state->fb; + + ret = vmw_stdu_update_st(dev_priv, stdu); + + if (ret) + DRM_ERROR("Failed to update STDU.\n"); } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c index 7681341..6b70bd2 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c @@ -1274,11 +1274,14 @@ int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; int ret; uint32_t size; - uint32_t backup_handle; + uint32_t backup_handle = 0; if (req->multisample_count != 0) return -EINVAL; + if (req->mip_levels > DRM_VMW_MAX_MIP_LEVELS) + return -EINVAL; + if (unlikely(vmw_user_surface_size == 0)) vmw_user_surface_size = ttm_round_pot(sizeof(*user_srf)) + 128; @@ -1314,12 +1317,16 @@ int vmw_gb_surface_define_ioctl(struct drm_device *dev, void *data, ret = vmw_user_dmabuf_lookup(tfile, req->buffer_handle, &res->backup, &user_srf->backup_base); - if (ret == 0 && res->backup->base.num_pages * PAGE_SIZE < - res->backup_size) { - DRM_ERROR("Surface backup buffer is too small.\n"); - vmw_dmabuf_unreference(&res->backup); - ret = -EINVAL; - goto out_unlock; + if (ret == 0) { + if (res->backup->base.num_pages * PAGE_SIZE < + res->backup_size) { + DRM_ERROR("Surface backup buffer is too small.\n"); + vmw_dmabuf_unreference(&res->backup); + ret = -EINVAL; + goto out_unlock; + } else { + backup_handle = req->buffer_handle; + } } } else if (req->drm_surface_flags & drm_vmw_surface_flag_create_buffer) ret = vmw_user_dmabuf_alloc(dev_priv, tfile, @@ -1491,7 +1498,7 @@ int vmw_surface_gb_priv_define(struct drm_device *dev, dev_priv->stdu_max_height); if (size.width > max_width || size.height > max_height) { - DRM_ERROR("%ux%u\n, exeeds max surface size %ux%u", + DRM_ERROR("%ux%u\n, exceeds max surface size %ux%u", size.width, size.height, max_width, max_height); return -EINVAL; diff --git a/drivers/gpu/host1x/dev.c b/drivers/gpu/host1x/dev.c index f05ebb1..ac65f52 100644 --- a/drivers/gpu/host1x/dev.c +++ b/drivers/gpu/host1x/dev.c @@ -172,7 +172,7 @@ static int host1x_probe(struct platform_device *pdev) host->rst = devm_reset_control_get(&pdev->dev, "host1x"); if (IS_ERR(host->rst)) { - err = PTR_ERR(host->clk); + err = PTR_ERR(host->rst); dev_err(&pdev->dev, "failed to get reset: %d\n", err); return err; } diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c index 16d5568..2fb5f43 100644 --- a/drivers/gpu/ipu-v3/ipu-common.c +++ b/drivers/gpu/ipu-v3/ipu-common.c @@ -725,15 +725,16 @@ void ipu_set_ic_src_mux(struct ipu_soc *ipu, int csi_id, bool vdi) spin_lock_irqsave(&ipu->lock, flags); val = ipu_cm_read(ipu, IPU_CONF); - if (vdi) { + if (vdi) val |= IPU_CONF_IC_INPUT; - } else { + else val &= ~IPU_CONF_IC_INPUT; - if (csi_id == 1) - val |= IPU_CONF_CSI_SEL; - else - val &= ~IPU_CONF_CSI_SEL; - } + + if (csi_id == 1) + val |= IPU_CONF_CSI_SEL; + else + val &= ~IPU_CONF_CSI_SEL; + ipu_cm_write(ipu, val, IPU_CONF); spin_unlock_irqrestore(&ipu->lock, flags); diff --git a/drivers/gpu/ipu-v3/ipu-pre.c b/drivers/gpu/ipu-v3/ipu-pre.c index c555633..c35f74c 100644 --- a/drivers/gpu/ipu-v3/ipu-pre.c +++ b/drivers/gpu/ipu-v3/ipu-pre.c @@ -131,8 +131,6 @@ int ipu_pre_get(struct ipu_pre *pre) if (pre->in_use) return -EBUSY; - clk_prepare_enable(pre->clk_axi); - /* first get the engine out of reset and remove clock gating */ writel(0, pre->regs + IPU_PRE_CTRL); @@ -149,12 +147,7 @@ int ipu_pre_get(struct ipu_pre *pre) void ipu_pre_put(struct ipu_pre *pre) { - u32 val; - - val = IPU_PRE_CTRL_SFTRST | IPU_PRE_CTRL_CLKGATE; - writel(val, pre->regs + IPU_PRE_CTRL); - - clk_disable_unprepare(pre->clk_axi); + writel(IPU_PRE_CTRL_SFTRST, pre->regs + IPU_PRE_CTRL); pre->in_use = false; } @@ -249,6 +242,8 @@ static int ipu_pre_probe(struct platform_device *pdev) if (!pre->buffer_virt) return -ENOMEM; + clk_prepare_enable(pre->clk_axi); + pre->dev = dev; platform_set_drvdata(pdev, pre); mutex_lock(&ipu_pre_list_mutex); @@ -268,6 +263,8 @@ static int ipu_pre_remove(struct platform_device *pdev) available_pres--; mutex_unlock(&ipu_pre_list_mutex); + clk_disable_unprepare(pre->clk_axi); + if (pre->buffer_virt) gen_pool_free(pre->iram, (unsigned long)pre->buffer_virt, IPU_PRE_MAX_WIDTH * IPU_PRE_NUM_SCANLINES * 4); diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index fe40e5e..687705c 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -275,10 +275,12 @@ config HID_EMS_FF - Trio Linker Plus II config HID_ELECOM - tristate "ELECOM BM084 bluetooth mouse" + tristate "ELECOM HID devices" depends on HID ---help--- - Support for the ELECOM BM084 (bluetooth mouse). + Support for ELECOM devices: + - BM084 Bluetooth Mouse + - DEFT Trackball (Wired and wireless) config HID_ELO tristate "ELO USB 4000/4500 touchscreen" diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c index 16df6cc9..a6268f2 100644 --- a/drivers/hid/hid-asus.c +++ b/drivers/hid/hid-asus.c @@ -69,6 +69,7 @@ MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad"); #define QUIRK_IS_MULTITOUCH BIT(3) #define QUIRK_NO_CONSUMER_USAGES BIT(4) #define QUIRK_USE_KBD_BACKLIGHT BIT(5) +#define QUIRK_T100_KEYBOARD BIT(6) #define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \ QUIRK_NO_INIT_REPORTS | \ @@ -536,6 +537,8 @@ static void asus_remove(struct hid_device *hdev) drvdata->kbd_backlight->removed = true; cancel_work_sync(&drvdata->kbd_backlight->work); } + + hid_hw_stop(hdev); } static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, @@ -548,6 +551,12 @@ static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, hid_info(hdev, "Fixing up Asus notebook report descriptor\n"); rdesc[55] = 0xdd; } + if (drvdata->quirks & QUIRK_T100_KEYBOARD && + *rsize == 76 && rdesc[73] == 0x81 && rdesc[74] == 0x01) { + hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n"); + rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT; + } + return rdesc; } @@ -560,6 +569,9 @@ static const struct hid_device_id asus_devices[] = { USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) }, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT }, + { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, + USB_DEVICE_ID_ASUSTEK_T100_KEYBOARD), + QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, { } }; MODULE_DEVICE_TABLE(hid, asus_devices); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 37084b6..6e04069 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -826,11 +826,35 @@ static int hid_scan_report(struct hid_device *hid) * hid-rmi should take care of them, * not hid-generic */ - if (IS_ENABLED(CONFIG_HID_RMI)) - hid->group = HID_GROUP_RMI; + hid->group = HID_GROUP_RMI; break; } + /* fall back to generic driver in case specific driver doesn't exist */ + switch (hid->group) { + case HID_GROUP_MULTITOUCH_WIN_8: + /* fall-through */ + case HID_GROUP_MULTITOUCH: + if (!IS_ENABLED(CONFIG_HID_MULTITOUCH)) + hid->group = HID_GROUP_GENERIC; + break; + case HID_GROUP_SENSOR_HUB: + if (!IS_ENABLED(CONFIG_HID_SENSOR_HUB)) + hid->group = HID_GROUP_GENERIC; + break; + case HID_GROUP_RMI: + if (!IS_ENABLED(CONFIG_HID_RMI)) + hid->group = HID_GROUP_GENERIC; + break; + case HID_GROUP_WACOM: + if (!IS_ENABLED(CONFIG_HID_WACOM)) + hid->group = HID_GROUP_GENERIC; + break; + case HID_GROUP_LOGITECH_DJ_DEVICE: + if (!IS_ENABLED(CONFIG_HID_LOGITECH_DJ)) + hid->group = HID_GROUP_GENERIC; + break; + } vfree(parser); return 0; } @@ -1763,15 +1787,23 @@ EXPORT_SYMBOL_GPL(hid_disconnect); * used as a driver. See hid_scan_report(). */ static const struct hid_device_id hid_have_special_driver[] = { +#if IS_ENABLED(CONFIG_HID_A4TECH) { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) }, +#endif +#if IS_ENABLED(CONFIG_HID_ACCUTOUCH) + { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_ACCUTOUCH_2216) }, +#endif +#if IS_ENABLED(CONFIG_HID_ACRUX) { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) }, { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) }, +#endif +#if IS_ENABLED(CONFIG_HID_ALPS) { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) }, +#endif +#if IS_ENABLED(CONFIG_HID_APPLE) { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) }, - { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) }, - { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) }, @@ -1792,11 +1824,6 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) }, - { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) }, - { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) }, - { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) }, - { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, - { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) }, @@ -1851,59 +1878,100 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, +#endif +#if IS_ENABLED(CONFIG_HID_APPLEIR) + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) }, +#endif +#if IS_ENABLED(CONFIG_HID_ASUS) { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD) }, { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD) }, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) }, { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T100_KEYBOARD) }, +#endif +#if IS_ENABLED(CONFIG_HID_AUREAL) { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) }, +#endif +#if IS_ENABLED(CONFIG_HID_BELKIN) { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, +#endif +#if IS_ENABLED(CONFIG_HID_BETOP_FF) { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) }, { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) }, { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) }, { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) }, - { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) }, - { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) }, +#endif +#if IS_ENABLED(CONFIG_HID_CHERRY) { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) }, +#endif +#if IS_ENABLED(CONFIG_HID_CHICONY) { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) }, - { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) }, + { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_ZEN_AIO_KBD) }, +#endif +#if IS_ENABLED(CONFIG_HID_CMEDIA) + { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM6533) }, +#endif +#if IS_ENABLED(CONFIG_HID_CORSAIR) { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) }, { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB) }, - { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) }, +#endif +#if IS_ENABLED(CONFIG_HID_CP2112) { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) }, +#endif +#if IS_ENABLED(CONFIG_HID_CYPRESS) { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DELCOM, USB_DEVICE_ID_DELCOM_VISUAL_IND) }, +#endif +#if IS_ENABLED(CONFIG_HID_DRAGONRISE) { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) }, { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) }, -#if IS_ENABLED(CONFIG_HID_MAYFLASH) - { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE1) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE2) }, #endif - { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_WN) }, - { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_FA) }, +#if IS_ENABLED(CONFIG_HID_ELECOM) { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRED) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRELESS) }, +#endif +#if IS_ENABLED(CONFIG_HID_ELO) { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) }, { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) }, - { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_ACCUTOUCH_2216) }, +#endif +#if IS_ENABLED(CONFIG_HID_EMS_FF) { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) }, +#endif +#if IS_ENABLED(CONFIG_HID_EZKEY) { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) }, - { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, - { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, +#endif +#if IS_ENABLED(CONFIG_HID_GEMBIRD) { HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) }, - { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, +#endif +#if IS_ENABLED(CONFIG_HID_GFRM) + { HID_BLUETOOTH_DEVICE(0x58, 0x2000) }, + { HID_BLUETOOTH_DEVICE(0x471, 0x2210) }, +#endif +#if IS_ENABLED(CONFIG_HID_GREENASIA) { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) }, +#endif +#if IS_ENABLED(CONFIG_HID_GT683R) + { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) }, +#endif +#if IS_ENABLED(CONFIG_HID_GYRATION) { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) }, +#endif +#if IS_ENABLED(CONFIG_HID_HOLTEK) { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) }, { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) }, { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) }, @@ -1912,12 +1980,17 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) }, { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) }, { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) }, - { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) }, - { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_ZEN_AIO_KBD) }, - { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) }, +#endif +#if IS_ENABLED(CONFIG_HID_ICADE) { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) }, +#endif +#if IS_ENABLED(CONFIG_HID_KENSINGTON) { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, +#endif +#if IS_ENABLED(CONFIG_HID_KEYTOUCH) { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) }, +#endif +#if IS_ENABLED(CONFIG_HID_KYE) { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) }, @@ -1927,21 +2000,29 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) }, - { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) }, +#endif +#if IS_ENABLED(CONFIG_HID_LCPOWER) { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) }, +#endif +#if IS_ENABLED(CONFIG_HID_LED) + { HID_USB_DEVICE(USB_VENDOR_ID_DELCOM, USB_DEVICE_ID_DELCOM_VISUAL_IND) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_WN) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_FA) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_LUXAFOR) }, + { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) }, + { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) }, +#endif #if IS_ENABLED(CONFIG_HID_LENOVO) { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) }, { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) }, { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) }, #endif - { HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MELFAS_MT) }, +#if IS_ENABLED(CONFIG_HID_LOGITECH) { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) }, - { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) }, - { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, @@ -1954,7 +2035,6 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) }, - { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) }, @@ -1966,17 +2046,30 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) }, -#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ) - { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) }, - { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) }, -#endif { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) }, - { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, - { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, - { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_LUXAFOR) }, +#endif +#if IS_ENABLED(CONFIG_HID_LOGITECH_HIDPP) + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL) }, +#endif +#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ) + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) }, +#endif +#if IS_ENABLED(CONFIG_HID_MAGICMOUSE) + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) }, +#endif +#if IS_ENABLED(CONFIG_HID_MAYFLASH) + { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE1) }, + { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE2) }, +#endif +#if IS_ENABLED(CONFIG_HID_MICROSOFT) { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_KEYBOARD) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) }, @@ -1992,9 +2085,22 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1) }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, +#endif +#if IS_ENABLED(CONFIG_HID_MONTEREY) { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) }, - { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) }, +#endif +#if IS_ENABLED(CONFIG_HID_MULTITOUCH) + { HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MELFAS_MT) }, +#endif +#if IS_ENABLED(CONFIG_HID_WIIMOTE) + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) }, +#endif +#if IS_ENABLED(CONFIG_HID_NTI) { HID_USB_DEVICE(USB_VENDOR_ID_NTI, USB_DEVICE_ID_USB_SUN) }, +#endif +#if IS_ENABLED(CONFIG_HID_NTRIG) { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) }, { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) }, { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) }, @@ -2014,13 +2120,41 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) }, { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) }, { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) }, +#endif +#if IS_ENABLED(CONFIG_HID_ORTEK) { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) }, { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, +#endif +#if IS_ENABLED(CONFIG_HID_PANTHERLORD) + { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) }, + { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) }, + { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) }, +#endif +#if IS_ENABLED(CONFIG_HID_PENMOUNT) { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) }, +#endif +#if IS_ENABLED(CONFIG_HID_PETALYNX) { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) }, +#endif +#if IS_ENABLED(CONFIG_HID_PICOLCD) + { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, +#endif +#if IS_ENABLED(CONFIG_HID_PLANTRONICS) { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) }, +#endif +#if IS_ENABLED(CONFIG_HID_PRIMAX) { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) }, - { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) }, +#endif +#if IS_ENABLED(CONFIG_HID_PRODIKEYS) + { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) }, +#endif +#if IS_ENABLED(CONFIG_HID_RMI) + { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_COVER) }, + { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) }, +#endif #if IS_ENABLED(CONFIG_HID_ROCCAT) { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) }, { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) }, @@ -2048,9 +2182,21 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5) }, { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) }, #endif +#if IS_ENABLED(CONFIG_HID_SAMSUNG) { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) }, - { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, +#endif +#if IS_ENABLED(CONFIG_HID_SMARTJOYPLUS) + { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) }, +#endif +#if IS_ENABLED(CONFIG_HID_SONY) + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) }, { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) }, @@ -2069,9 +2215,17 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER) }, +#endif +#if IS_ENABLED(CONFIG_HID_SPEEDLINK) + { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) }, +#endif +#if IS_ENABLED(CONFIG_HID_STEELSERIES) { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) }, +#endif +#if IS_ENABLED(CONFIG_HID_SUNPLUS) { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) }, - { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) }, +#endif +#if IS_ENABLED(CONFIG_HID_THRUSTMASTER) { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) }, @@ -2080,12 +2234,25 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) }, +#endif +#if IS_ENABLED(CONFIG_HID_TIVO) { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) }, { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) }, { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) }, +#endif +#if IS_ENABLED(CONFIG_HID_TOPSEED) + { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) }, { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) }, { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) }, +#endif +#if IS_ENABLED(CONFIG_HID_TWINHAN) { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) }, +#endif +#if IS_ENABLED(CONFIG_HID_UCLOGIC) + { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_HUION_TABLET) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) }, @@ -2093,20 +2260,17 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) }, - { HID_USB_DEVICE(USB_VENDOR_ID_THQ, USB_DEVICE_ID_THQ_PS3_UDRAW) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_81) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) }, - { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) }, { HID_USB_DEVICE(USB_VENDOR_ID_UGEE, USB_DEVICE_ID_UGEE_TABLET_EX07S) }, - { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, - { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) }, - { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) }, - { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) }, - { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) }, - { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) }, - { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) }, +#endif +#if IS_ENABLED(CONFIG_HID_UDRAW_PS3) + { HID_USB_DEVICE(USB_VENDOR_ID_THQ, USB_DEVICE_ID_THQ_PS3_UDRAW) }, +#endif +#if IS_ENABLED(CONFIG_HID_WALTOP) { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) }, @@ -2114,19 +2278,18 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) }, { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) }, - { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) }, +#endif +#if IS_ENABLED(CONFIG_HID_XINMO) { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) }, { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_THT_2P_ARCADE) }, +#endif +#if IS_ENABLED(CONFIG_HID_ZEROPLUS) { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, +#endif +#if IS_ENABLED(CONFIG_HID_ZYDACRON) { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) }, - - { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) }, - { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) }, - { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) }, - { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) }, - { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM6533) }, - { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_COVER) }, +#endif { } }; diff --git a/drivers/hid/hid-elecom.c b/drivers/hid/hid-elecom.c index 6e3848a..e2c7465 100644 --- a/drivers/hid/hid-elecom.c +++ b/drivers/hid/hid-elecom.c @@ -1,10 +1,8 @@ /* - * HID driver for Elecom BM084 (bluetooth mouse). - * Removes a non-existing horizontal wheel from - * the HID descriptor. - * (This module is based on "hid-ortek".) - * + * HID driver for ELECOM devices. * Copyright (c) 2010 Richard Nauber <Richard.Nauber@gmail.com> + * Copyright (c) 2016 Yuxuan Shui <yshuiv7@gmail.com> + * Copyright (c) 2017 Diego Elio Pettenò <flameeyes@flameeyes.eu> */ /* @@ -23,15 +21,61 @@ static __u8 *elecom_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { - if (*rsize >= 48 && rdesc[46] == 0x05 && rdesc[47] == 0x0c) { - hid_info(hdev, "Fixing up Elecom BM084 report descriptor\n"); - rdesc[47] = 0x00; + switch (hdev->product) { + case USB_DEVICE_ID_ELECOM_BM084: + /* The BM084 Bluetooth mouse includes a non-existing horizontal + * wheel in the HID descriptor. */ + if (*rsize >= 48 && rdesc[46] == 0x05 && rdesc[47] == 0x0c) { + hid_info(hdev, "Fixing up Elecom BM084 report descriptor\n"); + rdesc[47] = 0x00; + } + break; + case USB_DEVICE_ID_ELECOM_DEFT_WIRED: + case USB_DEVICE_ID_ELECOM_DEFT_WIRELESS: + /* The DEFT trackball has eight buttons, but its descriptor only + * reports five, disabling the three Fn buttons on the top of + * the mouse. + * + * Apply the following diff to the descriptor: + * + * Collection (Physical), Collection (Physical), + * Report ID (1), Report ID (1), + * Report Count (5), -> Report Count (8), + * Report Size (1), Report Size (1), + * Usage Page (Button), Usage Page (Button), + * Usage Minimum (01h), Usage Minimum (01h), + * Usage Maximum (05h), -> Usage Maximum (08h), + * Logical Minimum (0), Logical Minimum (0), + * Logical Maximum (1), Logical Maximum (1), + * Input (Variable), Input (Variable), + * Report Count (1), -> Report Count (0), + * Report Size (3), Report Size (3), + * Input (Constant), Input (Constant), + * Report Size (16), Report Size (16), + * Report Count (2), Report Count (2), + * Usage Page (Desktop), Usage Page (Desktop), + * Usage (X), Usage (X), + * Usage (Y), Usage (Y), + * Logical Minimum (-32768), Logical Minimum (-32768), + * Logical Maximum (32767), Logical Maximum (32767), + * Input (Variable, Relative), Input (Variable, Relative), + * End Collection, End Collection, + */ + if (*rsize == 213 && rdesc[13] == 5 && rdesc[21] == 5) { + hid_info(hdev, "Fixing up Elecom DEFT Fn buttons\n"); + rdesc[13] = 8; /* Button/Variable Report Count */ + rdesc[21] = 8; /* Button/Variable Usage Maximum */ + rdesc[29] = 0; /* Button/Constant Report Count */ + } + break; } return rdesc; } static const struct hid_device_id elecom_devices[] = { - { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084)}, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRED) }, + { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRELESS) }, { } }; MODULE_DEVICE_TABLE(hid, elecom_devices); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 643390b..4f9a393 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -173,6 +173,7 @@ #define USB_VENDOR_ID_ASUSTEK 0x0b05 #define USB_DEVICE_ID_ASUSTEK_LCM 0x1726 #define USB_DEVICE_ID_ASUSTEK_LCM2 0x175b +#define USB_DEVICE_ID_ASUSTEK_T100_KEYBOARD 0x17e0 #define USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD 0x8585 #define USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD 0x0101 #define USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1 0x1854 @@ -318,6 +319,9 @@ #define USB_VENDOR_ID_DELCOM 0x0fc5 #define USB_DEVICE_ID_DELCOM_VISUAL_IND 0xb080 +#define USB_VENDOR_ID_DELL 0x413c +#define USB_DEVICE_ID_DELL_PIXART_USB_OPTICAL_MOUSE 0x301a + #define USB_VENDOR_ID_DELORME 0x1163 #define USB_DEVICE_ID_DELORME_EARTHMATE 0x0100 #define USB_DEVICE_ID_DELORME_EM_LT20 0x0200 @@ -358,6 +362,8 @@ #define USB_VENDOR_ID_ELECOM 0x056e #define USB_DEVICE_ID_ELECOM_BM084 0x0061 +#define USB_DEVICE_ID_ELECOM_DEFT_WIRED 0x00fe +#define USB_DEVICE_ID_ELECOM_DEFT_WIRELESS 0x00ff #define USB_VENDOR_ID_DREAM_CHEEKY 0x1d34 #define USB_DEVICE_ID_DREAM_CHEEKY_WN 0x0004 diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c index 8daa8ce..fb55fb4 100644 --- a/drivers/hid/i2c-hid/i2c-hid.c +++ b/drivers/hid/i2c-hid/i2c-hid.c @@ -897,6 +897,15 @@ static int i2c_hid_acpi_pdata(struct i2c_client *client, return 0; } +static void i2c_hid_acpi_fix_up_power(struct device *dev) +{ + acpi_handle handle = ACPI_HANDLE(dev); + struct acpi_device *adev; + + if (handle && acpi_bus_get_device(handle, &adev) == 0) + acpi_device_fix_up_power(adev); +} + static const struct acpi_device_id i2c_hid_acpi_match[] = { {"ACPI0C50", 0 }, {"PNP0C50", 0 }, @@ -909,6 +918,8 @@ static inline int i2c_hid_acpi_pdata(struct i2c_client *client, { return -ENODEV; } + +static inline void i2c_hid_acpi_fix_up_power(struct device *dev) {} #endif #ifdef CONFIG_OF @@ -1030,6 +1041,8 @@ static int i2c_hid_probe(struct i2c_client *client, if (ret < 0) goto err_regulator; + i2c_hid_acpi_fix_up_power(&client->dev); + pm_runtime_get_noresume(&client->dev); pm_runtime_set_active(&client->dev); pm_runtime_enable(&client->dev); diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 6316498..a88e7c7 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -85,6 +85,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K65RGB_RAPIDFIRE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT }, { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3, HID_QUIRK_MULTI_INPUT }, diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 4b225fb..e274c9d 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -1571,37 +1571,38 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, size_t len) { unsigned char *data = wacom->data; - if (wacom->pen_input) + if (wacom->pen_input) { dev_dbg(wacom->pen_input->dev.parent, "%s: received report #%d\n", __func__, data[0]); - else if (wacom->touch_input) + + if (len == WACOM_PKGLEN_PENABLED || + data[0] == WACOM_REPORT_PENABLED) + return wacom_tpc_pen(wacom); + } + else if (wacom->touch_input) { dev_dbg(wacom->touch_input->dev.parent, "%s: received report #%d\n", __func__, data[0]); - switch (len) { - case WACOM_PKGLEN_TPC1FG: - return wacom_tpc_single_touch(wacom, len); + switch (len) { + case WACOM_PKGLEN_TPC1FG: + return wacom_tpc_single_touch(wacom, len); - case WACOM_PKGLEN_TPC2FG: - return wacom_tpc_mt_touch(wacom); + case WACOM_PKGLEN_TPC2FG: + return wacom_tpc_mt_touch(wacom); - case WACOM_PKGLEN_PENABLED: - return wacom_tpc_pen(wacom); + default: + switch (data[0]) { + case WACOM_REPORT_TPC1FG: + case WACOM_REPORT_TPCHID: + case WACOM_REPORT_TPCST: + case WACOM_REPORT_TPC1FGE: + return wacom_tpc_single_touch(wacom, len); - default: - switch (data[0]) { - case WACOM_REPORT_TPC1FG: - case WACOM_REPORT_TPCHID: - case WACOM_REPORT_TPCST: - case WACOM_REPORT_TPC1FGE: - return wacom_tpc_single_touch(wacom, len); - - case WACOM_REPORT_TPCMT: - case WACOM_REPORT_TPCMT2: - return wacom_mt_touch(wacom); + case WACOM_REPORT_TPCMT: + case WACOM_REPORT_TPCMT2: + return wacom_mt_touch(wacom); - case WACOM_REPORT_PENABLED: - return wacom_tpc_pen(wacom); + } } } diff --git a/drivers/hsi/clients/ssi_protocol.c b/drivers/hsi/clients/ssi_protocol.c index 26b0510..93d28c0 100644 --- a/drivers/hsi/clients/ssi_protocol.c +++ b/drivers/hsi/clients/ssi_protocol.c @@ -1066,7 +1066,7 @@ static void ssip_pn_setup(struct net_device *dev) dev->addr_len = 1; dev->tx_queue_len = SSIP_TXQUEUE_LEN; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->header_ops = &phonet_header_ops; } diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 22d5eaf..5ef2814 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -343,6 +343,7 @@ config SENSORS_ASB100 config SENSORS_ASPEED tristate "ASPEED AST2400/AST2500 PWM and Fan tach driver" + select REGMAP help This driver provides support for ASPEED AST2400/AST2500 PWM and Fan Tacho controllers. diff --git a/drivers/hwmon/aspeed-pwm-tacho.c b/drivers/hwmon/aspeed-pwm-tacho.c index 48403a2..9de13d6 100644 --- a/drivers/hwmon/aspeed-pwm-tacho.c +++ b/drivers/hwmon/aspeed-pwm-tacho.c @@ -7,6 +7,7 @@ */ #include <linux/clk.h> +#include <linux/errno.h> #include <linux/gpio/consumer.h> #include <linux/delay.h> #include <linux/hwmon.h> @@ -494,7 +495,7 @@ static u32 aspeed_get_fan_tach_ch_measure_period(struct aspeed_pwm_tacho_data return clk / (clk_unit * div_h * div_l * tacho_div * tacho_unit); } -static u32 aspeed_get_fan_tach_ch_rpm(struct aspeed_pwm_tacho_data *priv, +static int aspeed_get_fan_tach_ch_rpm(struct aspeed_pwm_tacho_data *priv, u8 fan_tach_ch) { u32 raw_data, tach_div, clk_source, sec, val; @@ -510,6 +511,9 @@ static u32 aspeed_get_fan_tach_ch_rpm(struct aspeed_pwm_tacho_data *priv, msleep(sec); regmap_read(priv->regmap, ASPEED_PTCR_RESULT, &val); + if (!(val & RESULT_STATUS_MASK)) + return -ETIMEDOUT; + raw_data = val & RESULT_VALUE_MASK; tach_div = priv->type_fan_tach_clock_division[type]; tach_div = 0x4 << (tach_div * 2); @@ -561,12 +565,14 @@ static ssize_t show_rpm(struct device *dev, struct device_attribute *attr, { struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr); int index = sensor_attr->index; - u32 rpm; + int rpm; struct aspeed_pwm_tacho_data *priv = dev_get_drvdata(dev); rpm = aspeed_get_fan_tach_ch_rpm(priv, index); + if (rpm < 0) + return rpm; - return sprintf(buf, "%u\n", rpm); + return sprintf(buf, "%d\n", rpm); } static umode_t pwm_is_visible(struct kobject *kobj, @@ -591,24 +597,23 @@ static umode_t fan_dev_is_visible(struct kobject *kobj, return a->mode; } -static SENSOR_DEVICE_ATTR(pwm0, 0644, - show_pwm, set_pwm, 0); static SENSOR_DEVICE_ATTR(pwm1, 0644, - show_pwm, set_pwm, 1); + show_pwm, set_pwm, 0); static SENSOR_DEVICE_ATTR(pwm2, 0644, - show_pwm, set_pwm, 2); + show_pwm, set_pwm, 1); static SENSOR_DEVICE_ATTR(pwm3, 0644, - show_pwm, set_pwm, 3); + show_pwm, set_pwm, 2); static SENSOR_DEVICE_ATTR(pwm4, 0644, - show_pwm, set_pwm, 4); + show_pwm, set_pwm, 3); static SENSOR_DEVICE_ATTR(pwm5, 0644, - show_pwm, set_pwm, 5); + show_pwm, set_pwm, 4); static SENSOR_DEVICE_ATTR(pwm6, 0644, - show_pwm, set_pwm, 6); + show_pwm, set_pwm, 5); static SENSOR_DEVICE_ATTR(pwm7, 0644, + show_pwm, set_pwm, 6); +static SENSOR_DEVICE_ATTR(pwm8, 0644, show_pwm, set_pwm, 7); static struct attribute *pwm_dev_attrs[] = { - &sensor_dev_attr_pwm0.dev_attr.attr, &sensor_dev_attr_pwm1.dev_attr.attr, &sensor_dev_attr_pwm2.dev_attr.attr, &sensor_dev_attr_pwm3.dev_attr.attr, @@ -616,6 +621,7 @@ static struct attribute *pwm_dev_attrs[] = { &sensor_dev_attr_pwm5.dev_attr.attr, &sensor_dev_attr_pwm6.dev_attr.attr, &sensor_dev_attr_pwm7.dev_attr.attr, + &sensor_dev_attr_pwm8.dev_attr.attr, NULL, }; @@ -624,40 +630,39 @@ static const struct attribute_group pwm_dev_group = { .is_visible = pwm_is_visible, }; -static SENSOR_DEVICE_ATTR(fan0_input, 0444, - show_rpm, NULL, 0); static SENSOR_DEVICE_ATTR(fan1_input, 0444, - show_rpm, NULL, 1); + show_rpm, NULL, 0); static SENSOR_DEVICE_ATTR(fan2_input, 0444, - show_rpm, NULL, 2); + show_rpm, NULL, 1); static SENSOR_DEVICE_ATTR(fan3_input, 0444, - show_rpm, NULL, 3); + show_rpm, NULL, 2); static SENSOR_DEVICE_ATTR(fan4_input, 0444, - show_rpm, NULL, 4); + show_rpm, NULL, 3); static SENSOR_DEVICE_ATTR(fan5_input, 0444, - show_rpm, NULL, 5); + show_rpm, NULL, 4); static SENSOR_DEVICE_ATTR(fan6_input, 0444, - show_rpm, NULL, 6); + show_rpm, NULL, 5); static SENSOR_DEVICE_ATTR(fan7_input, 0444, - show_rpm, NULL, 7); + show_rpm, NULL, 6); static SENSOR_DEVICE_ATTR(fan8_input, 0444, - show_rpm, NULL, 8); + show_rpm, NULL, 7); static SENSOR_DEVICE_ATTR(fan9_input, 0444, - show_rpm, NULL, 9); + show_rpm, NULL, 8); static SENSOR_DEVICE_ATTR(fan10_input, 0444, - show_rpm, NULL, 10); + show_rpm, NULL, 9); static SENSOR_DEVICE_ATTR(fan11_input, 0444, - show_rpm, NULL, 11); + show_rpm, NULL, 10); static SENSOR_DEVICE_ATTR(fan12_input, 0444, - show_rpm, NULL, 12); + show_rpm, NULL, 11); static SENSOR_DEVICE_ATTR(fan13_input, 0444, - show_rpm, NULL, 13); + show_rpm, NULL, 12); static SENSOR_DEVICE_ATTR(fan14_input, 0444, - show_rpm, NULL, 14); + show_rpm, NULL, 13); static SENSOR_DEVICE_ATTR(fan15_input, 0444, + show_rpm, NULL, 14); +static SENSOR_DEVICE_ATTR(fan16_input, 0444, show_rpm, NULL, 15); static struct attribute *fan_dev_attrs[] = { - &sensor_dev_attr_fan0_input.dev_attr.attr, &sensor_dev_attr_fan1_input.dev_attr.attr, &sensor_dev_attr_fan2_input.dev_attr.attr, &sensor_dev_attr_fan3_input.dev_attr.attr, @@ -673,6 +678,7 @@ static struct attribute *fan_dev_attrs[] = { &sensor_dev_attr_fan13_input.dev_attr.attr, &sensor_dev_attr_fan14_input.dev_attr.attr, &sensor_dev_attr_fan15_input.dev_attr.attr, + &sensor_dev_attr_fan16_input.dev_attr.attr, NULL }; @@ -802,7 +808,6 @@ static int aspeed_pwm_tacho_probe(struct platform_device *pdev) if (ret) return ret; } - of_node_put(np); priv->groups[0] = &pwm_dev_group; priv->groups[1] = &fan_dev_group; diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index 95ed171..54a47b4 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -734,9 +734,9 @@ static int i2c_imx_dma_read(struct imx_i2c_struct *i2c_imx, * the first read operation, otherwise the first read cost * one extra clock cycle. */ - temp = readb(i2c_imx->base + IMX_I2C_I2CR); + temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR); temp |= I2CR_MTX; - writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2CR); } msgs->buf[msgs->len-1] = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2DR); @@ -857,9 +857,9 @@ static int i2c_imx_read(struct imx_i2c_struct *i2c_imx, struct i2c_msg *msgs, bo * the first read operation, otherwise the first read cost * one extra clock cycle. */ - temp = readb(i2c_imx->base + IMX_I2C_I2CR); + temp = imx_i2c_read_reg(i2c_imx, IMX_I2C_I2CR); temp |= I2CR_MTX; - writeb(temp, i2c_imx->base + IMX_I2C_I2CR); + imx_i2c_write_reg(temp, i2c_imx, IMX_I2C_I2CR); } } else if (i == (msgs->len - 2)) { dev_dbg(&i2c_imx->adapter.dev, diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c index f573448..e98e44e 100644 --- a/drivers/i2c/busses/i2c-ismt.c +++ b/drivers/i2c/busses/i2c-ismt.c @@ -584,7 +584,7 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr, /* unmap the data buffer */ if (dma_size != 0) - dma_unmap_single(&adap->dev, dma_addr, dma_size, dma_direction); + dma_unmap_single(dev, dma_addr, dma_size, dma_direction); if (unlikely(!time_left)) { dev_err(dev, "completion wait timed out\n"); diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c index 214bf28..8be3e6c 100644 --- a/drivers/i2c/busses/i2c-rcar.c +++ b/drivers/i2c/busses/i2c-rcar.c @@ -319,7 +319,7 @@ static void rcar_i2c_dma_unmap(struct rcar_i2c_priv *priv) rcar_i2c_write(priv, ICFBSCR, TCYC06); dma_unmap_single(chan->device->dev, sg_dma_address(&priv->sg), - priv->msg->len, priv->dma_direction); + sg_dma_len(&priv->sg), priv->dma_direction); priv->dma_direction = DMA_NONE; } diff --git a/drivers/iio/adc/bcm_iproc_adc.c b/drivers/iio/adc/bcm_iproc_adc.c index 21d38c8..7f4f9c4 100644 --- a/drivers/iio/adc/bcm_iproc_adc.c +++ b/drivers/iio/adc/bcm_iproc_adc.c @@ -143,7 +143,7 @@ static void iproc_adc_reg_dump(struct iio_dev *indio_dev) iproc_adc_dbg_reg(dev, adc_priv, IPROC_SOFT_BYPASS_DATA); } -static irqreturn_t iproc_adc_interrupt_handler(int irq, void *data) +static irqreturn_t iproc_adc_interrupt_thread(int irq, void *data) { u32 channel_intr_status; u32 intr_status; @@ -167,7 +167,7 @@ static irqreturn_t iproc_adc_interrupt_handler(int irq, void *data) return IRQ_NONE; } -static irqreturn_t iproc_adc_interrupt_thread(int irq, void *data) +static irqreturn_t iproc_adc_interrupt_handler(int irq, void *data) { irqreturn_t retval = IRQ_NONE; struct iproc_adc_priv *adc_priv; @@ -181,7 +181,7 @@ static irqreturn_t iproc_adc_interrupt_thread(int irq, void *data) adc_priv = iio_priv(indio_dev); regmap_read(adc_priv->regmap, IPROC_INTERRUPT_STATUS, &intr_status); - dev_dbg(&indio_dev->dev, "iproc_adc_interrupt_thread(),INTRPT_STS:%x\n", + dev_dbg(&indio_dev->dev, "iproc_adc_interrupt_handler(),INTRPT_STS:%x\n", intr_status); intr_channels = (intr_status & IPROC_ADC_INTR_MASK) >> IPROC_ADC_INTR; @@ -566,8 +566,8 @@ static int iproc_adc_probe(struct platform_device *pdev) } ret = devm_request_threaded_irq(&pdev->dev, adc_priv->irqno, - iproc_adc_interrupt_thread, iproc_adc_interrupt_handler, + iproc_adc_interrupt_thread, IRQF_SHARED, "iproc-adc", indio_dev); if (ret) { dev_err(&pdev->dev, "request_irq error %d\n", ret); diff --git a/drivers/iio/adc/max9611.c b/drivers/iio/adc/max9611.c index ec82106..b0526e4 100644 --- a/drivers/iio/adc/max9611.c +++ b/drivers/iio/adc/max9611.c @@ -438,10 +438,10 @@ static ssize_t max9611_shunt_resistor_show(struct device *dev, struct max9611_dev *max9611 = iio_priv(dev_to_iio_dev(dev)); unsigned int i, r; - i = max9611->shunt_resistor_uohm / 1000; - r = max9611->shunt_resistor_uohm % 1000; + i = max9611->shunt_resistor_uohm / 1000000; + r = max9611->shunt_resistor_uohm % 1000000; - return sprintf(buf, "%u.%03u\n", i, r); + return sprintf(buf, "%u.%06u\n", i, r); } static IIO_DEVICE_ATTR(in_power_shunt_resistor, 0444, @@ -536,8 +536,8 @@ static int max9611_probe(struct i2c_client *client, int ret; indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*max9611)); - if (IS_ERR(indio_dev)) - return PTR_ERR(indio_dev); + if (!indio_dev) + return -ENOMEM; i2c_set_clientdata(client, indio_dev); diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index dd4190b..6066bbf 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -468,13 +468,13 @@ static void meson_sar_adc_unlock(struct iio_dev *indio_dev) static void meson_sar_adc_clear_fifo(struct iio_dev *indio_dev) { struct meson_sar_adc_priv *priv = iio_priv(indio_dev); - int count; + unsigned int count, tmp; for (count = 0; count < MESON_SAR_ADC_MAX_FIFO_SIZE; count++) { if (!meson_sar_adc_get_fifo_count(indio_dev)) break; - regmap_read(priv->regmap, MESON_SAR_ADC_FIFO_RD, 0); + regmap_read(priv->regmap, MESON_SAR_ADC_FIFO_RD, &tmp); } } diff --git a/drivers/iio/adc/mxs-lradc-adc.c b/drivers/iio/adc/mxs-lradc-adc.c index b0c7d8e..6888167 100644 --- a/drivers/iio/adc/mxs-lradc-adc.c +++ b/drivers/iio/adc/mxs-lradc-adc.c @@ -718,9 +718,12 @@ static int mxs_lradc_adc_probe(struct platform_device *pdev) adc->dev = dev; iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!iores) + return -EINVAL; + adc->base = devm_ioremap(dev, iores->start, resource_size(iores)); - if (IS_ERR(adc->base)) - return PTR_ERR(adc->base); + if (!adc->base) + return -ENOMEM; init_completion(&adc->completion); spin_lock_init(&adc->lock); diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c index b235273..81d4c39 100644 --- a/drivers/iio/adc/sun4i-gpadc-iio.c +++ b/drivers/iio/adc/sun4i-gpadc-iio.c @@ -105,6 +105,8 @@ struct sun4i_gpadc_iio { bool no_irq; /* prevents concurrent reads of temperature and ADC */ struct mutex mutex; + struct thermal_zone_device *tzd; + struct device *sensor_device; }; #define SUN4I_GPADC_ADC_CHANNEL(_channel, _name) { \ @@ -502,7 +504,6 @@ static int sun4i_gpadc_probe_dt(struct platform_device *pdev, { struct sun4i_gpadc_iio *info = iio_priv(indio_dev); const struct of_device_id *of_dev; - struct thermal_zone_device *tzd; struct resource *mem; void __iomem *base; int ret; @@ -532,13 +533,14 @@ static int sun4i_gpadc_probe_dt(struct platform_device *pdev, if (!IS_ENABLED(CONFIG_THERMAL_OF)) return 0; - tzd = devm_thermal_zone_of_sensor_register(&pdev->dev, 0, info, - &sun4i_ts_tz_ops); - if (IS_ERR(tzd)) + info->sensor_device = &pdev->dev; + info->tzd = thermal_zone_of_sensor_register(info->sensor_device, 0, + info, &sun4i_ts_tz_ops); + if (IS_ERR(info->tzd)) dev_err(&pdev->dev, "could not register thermal sensor: %ld\n", - PTR_ERR(tzd)); + PTR_ERR(info->tzd)); - return PTR_ERR_OR_ZERO(tzd); + return PTR_ERR_OR_ZERO(info->tzd); } static int sun4i_gpadc_probe_mfd(struct platform_device *pdev, @@ -584,15 +586,15 @@ static int sun4i_gpadc_probe_mfd(struct platform_device *pdev, * of_node, and the device from this driver as third argument to * return the temperature. */ - struct thermal_zone_device *tzd; - tzd = devm_thermal_zone_of_sensor_register(pdev->dev.parent, 0, - info, - &sun4i_ts_tz_ops); - if (IS_ERR(tzd)) { + info->sensor_device = pdev->dev.parent; + info->tzd = thermal_zone_of_sensor_register(info->sensor_device, + 0, info, + &sun4i_ts_tz_ops); + if (IS_ERR(info->tzd)) { dev_err(&pdev->dev, "could not register thermal sensor: %ld\n", - PTR_ERR(tzd)); - return PTR_ERR(tzd); + PTR_ERR(info->tzd)); + return PTR_ERR(info->tzd); } } else { indio_dev->num_channels = @@ -688,7 +690,13 @@ static int sun4i_gpadc_remove(struct platform_device *pdev) pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); - if (!info->no_irq && IS_ENABLED(CONFIG_THERMAL_OF)) + + if (!IS_ENABLED(CONFIG_THERMAL_OF)) + return 0; + + thermal_zone_of_sensor_unregister(info->sensor_device, info->tzd); + + if (!info->no_irq) iio_map_array_unregister(indio_dev); return 0; @@ -700,6 +708,7 @@ static const struct platform_device_id sun4i_gpadc_id[] = { { "sun6i-a31-gpadc-iio", (kernel_ulong_t)&sun6i_gpadc_data }, { /* sentinel */ }, }; +MODULE_DEVICE_TABLE(platform, sun4i_gpadc_id); static struct platform_driver sun4i_gpadc_driver = { .driver = { @@ -711,6 +720,7 @@ static struct platform_driver sun4i_gpadc_driver = { .probe = sun4i_gpadc_probe, .remove = sun4i_gpadc_remove, }; +MODULE_DEVICE_TABLE(of, sun4i_gpadc_of_id); module_platform_driver(sun4i_gpadc_driver); diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index 4282cec..6cbed7e 100644 --- a/drivers/iio/adc/ti_am335x_adc.c +++ b/drivers/iio/adc/ti_am335x_adc.c @@ -614,7 +614,7 @@ static int tiadc_probe(struct platform_device *pdev) return -EINVAL; } - indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*indio_dev)); + indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*adc_dev)); if (indio_dev == NULL) { dev_err(&pdev->dev, "failed to allocate iio device\n"); return -ENOMEM; diff --git a/drivers/iio/buffer/industrialio-buffer-dma.c b/drivers/iio/buffer/industrialio-buffer-dma.c index dd99d27..ff03324 100644 --- a/drivers/iio/buffer/industrialio-buffer-dma.c +++ b/drivers/iio/buffer/industrialio-buffer-dma.c @@ -14,6 +14,7 @@ #include <linux/sched.h> #include <linux/poll.h> #include <linux/iio/buffer.h> +#include <linux/iio/buffer_impl.h> #include <linux/iio/buffer-dma.h> #include <linux/dma-mapping.h> #include <linux/sizes.h> diff --git a/drivers/iio/buffer/industrialio-buffer-dmaengine.c b/drivers/iio/buffer/industrialio-buffer-dmaengine.c index 9fabed4..2b5a320 100644 --- a/drivers/iio/buffer/industrialio-buffer-dmaengine.c +++ b/drivers/iio/buffer/industrialio-buffer-dmaengine.c @@ -14,6 +14,7 @@ #include <linux/iio/iio.h> #include <linux/iio/buffer.h> +#include <linux/iio/buffer_impl.h> #include <linux/iio/buffer-dma.h> #include <linux/iio/buffer-dmaengine.h> diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index 96dabbd..88a7c5d 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -41,6 +41,7 @@ static const int accel_scale[] = {598, 1196, 2392, 4785}; static const struct inv_mpu6050_reg_map reg_set_6500 = { .sample_rate_div = INV_MPU6050_REG_SAMPLE_RATE_DIV, .lpf = INV_MPU6050_REG_CONFIG, + .accel_lpf = INV_MPU6500_REG_ACCEL_CONFIG_2, .user_ctrl = INV_MPU6050_REG_USER_CTRL, .fifo_en = INV_MPU6050_REG_FIFO_EN, .gyro_config = INV_MPU6050_REG_GYRO_CONFIG, @@ -211,6 +212,37 @@ int inv_mpu6050_set_power_itg(struct inv_mpu6050_state *st, bool power_on) EXPORT_SYMBOL_GPL(inv_mpu6050_set_power_itg); /** + * inv_mpu6050_set_lpf_regs() - set low pass filter registers, chip dependent + * + * MPU60xx/MPU9150 use only 1 register for accelerometer + gyroscope + * MPU6500 and above have a dedicated register for accelerometer + */ +static int inv_mpu6050_set_lpf_regs(struct inv_mpu6050_state *st, + enum inv_mpu6050_filter_e val) +{ + int result; + + result = regmap_write(st->map, st->reg->lpf, val); + if (result) + return result; + + switch (st->chip_type) { + case INV_MPU6050: + case INV_MPU6000: + case INV_MPU9150: + /* old chips, nothing to do */ + result = 0; + break; + default: + /* set accel lpf */ + result = regmap_write(st->map, st->reg->accel_lpf, val); + break; + } + + return result; +} + +/** * inv_mpu6050_init_config() - Initialize hardware, disable FIFO. * * Initial configuration: @@ -233,8 +265,7 @@ static int inv_mpu6050_init_config(struct iio_dev *indio_dev) if (result) return result; - d = INV_MPU6050_FILTER_20HZ; - result = regmap_write(st->map, st->reg->lpf, d); + result = inv_mpu6050_set_lpf_regs(st, INV_MPU6050_FILTER_20HZ); if (result) return result; @@ -537,6 +568,8 @@ error_write_raw: * would be alising. This function basically search for the * correct low pass parameters based on the fifo rate, e.g, * sampling frequency. + * + * lpf is set automatically when setting sampling rate to avoid any aliases. */ static int inv_mpu6050_set_lpf(struct inv_mpu6050_state *st, int rate) { @@ -552,7 +585,7 @@ static int inv_mpu6050_set_lpf(struct inv_mpu6050_state *st, int rate) while ((h < hz[i]) && (i < ARRAY_SIZE(d) - 1)) i++; data = d[i]; - result = regmap_write(st->map, st->reg->lpf, data); + result = inv_mpu6050_set_lpf_regs(st, data); if (result) return result; st->chip_config.lpf = data; diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h index ef13de7..953a0c0 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h @@ -28,6 +28,7 @@ * struct inv_mpu6050_reg_map - Notable registers. * @sample_rate_div: Divider applied to gyro output rate. * @lpf: Configures internal low pass filter. + * @accel_lpf: Configures accelerometer low pass filter. * @user_ctrl: Enables/resets the FIFO. * @fifo_en: Determines which data will appear in FIFO. * @gyro_config: gyro config register. @@ -47,6 +48,7 @@ struct inv_mpu6050_reg_map { u8 sample_rate_div; u8 lpf; + u8 accel_lpf; u8 user_ctrl; u8 fifo_en; u8 gyro_config; @@ -188,6 +190,7 @@ struct inv_mpu6050_state { #define INV_MPU6050_FIFO_THRESHOLD 500 /* mpu6500 registers */ +#define INV_MPU6500_REG_ACCEL_CONFIG_2 0x1D #define INV_MPU6500_REG_ACCEL_OFFSET 0x77 /* delay time in milliseconds */ diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c index 978e1592..4061fed 100644 --- a/drivers/iio/industrialio-trigger.c +++ b/drivers/iio/industrialio-trigger.c @@ -451,7 +451,8 @@ static ssize_t iio_trigger_write_current(struct device *dev, return len; out_trigger_put: - iio_trigger_put(trig); + if (trig) + iio_trigger_put(trig); return ret; } diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c index b30e0c1..67838ed 100644 --- a/drivers/iio/light/ltr501.c +++ b/drivers/iio/light/ltr501.c @@ -74,9 +74,9 @@ static const int int_time_mapping[] = {100000, 50000, 200000, 400000}; static const struct reg_field reg_field_it = REG_FIELD(LTR501_ALS_MEAS_RATE, 3, 4); static const struct reg_field reg_field_als_intr = - REG_FIELD(LTR501_INTR, 0, 0); -static const struct reg_field reg_field_ps_intr = REG_FIELD(LTR501_INTR, 1, 1); +static const struct reg_field reg_field_ps_intr = + REG_FIELD(LTR501_INTR, 0, 0); static const struct reg_field reg_field_als_rate = REG_FIELD(LTR501_ALS_MEAS_RATE, 0, 2); static const struct reg_field reg_field_ps_rate = diff --git a/drivers/iio/proximity/as3935.c b/drivers/iio/proximity/as3935.c index ddf9bee..aa4df0d 100644 --- a/drivers/iio/proximity/as3935.c +++ b/drivers/iio/proximity/as3935.c @@ -40,9 +40,9 @@ #define AS3935_AFE_PWR_BIT BIT(0) #define AS3935_INT 0x03 -#define AS3935_INT_MASK 0x07 +#define AS3935_INT_MASK 0x0f #define AS3935_EVENT_INT BIT(3) -#define AS3935_NOISE_INT BIT(1) +#define AS3935_NOISE_INT BIT(0) #define AS3935_DATA 0x07 #define AS3935_DATA_MASK 0x3F @@ -215,7 +215,7 @@ static irqreturn_t as3935_trigger_handler(int irq, void *private) st->buffer[0] = val & AS3935_DATA_MASK; iio_push_to_buffers_with_timestamp(indio_dev, &st->buffer, - pf->timestamp); + iio_get_time_ns(indio_dev)); err_read: iio_trigger_notify_done(indio_dev->trig); @@ -244,7 +244,7 @@ static void as3935_event_work(struct work_struct *work) switch (val) { case AS3935_EVENT_INT: - iio_trigger_poll(st->trig); + iio_trigger_poll_chained(st->trig); break; case AS3935_NOISE_INT: dev_warn(&st->spi->dev, "noise level is too high\n"); @@ -269,8 +269,6 @@ static irqreturn_t as3935_interrupt_handler(int irq, void *private) static void calibrate_as3935(struct as3935_state *st) { - mutex_lock(&st->lock); - /* mask disturber interrupt bit */ as3935_write(st, AS3935_INT, BIT(5)); @@ -280,8 +278,6 @@ static void calibrate_as3935(struct as3935_state *st) mdelay(2); as3935_write(st, AS3935_TUNE_CAP, (st->tune_cap / TUNE_CAP_DIV)); - - mutex_unlock(&st->lock); } #ifdef CONFIG_PM_SLEEP @@ -318,6 +314,8 @@ static int as3935_resume(struct device *dev) val &= ~AS3935_AFE_PWR_BIT; ret = as3935_write(st, AS3935_AFE_GAIN, val); + calibrate_as3935(st); + err_resume: mutex_unlock(&st->lock); diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index 02971e2..ece6926 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -449,12 +449,7 @@ static int addr6_resolve(struct sockaddr_in6 *src_in, return ret; rt = (struct rt6_info *)dst; - if (ipv6_addr_any(&fl6.saddr)) { - ret = ipv6_dev_get_saddr(addr->net, ip6_dst_idev(dst)->dev, - &fl6.daddr, 0, &fl6.saddr); - if (ret) - goto put; - + if (ipv6_addr_any(&src_in->sin6_addr)) { src_in->sin6_family = AF_INET6; src_in->sin6_addr = fl6.saddr; } @@ -471,9 +466,6 @@ static int addr6_resolve(struct sockaddr_in6 *src_in, *pdst = dst; return 0; -put: - dst_release(dst); - return ret; } #else static int addr6_resolve(struct sockaddr_in6 *src_in, diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 1844770..2b4d613 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -1429,7 +1429,7 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg, primary_path->packet_life_time = cm_req_get_primary_local_ack_timeout(req_msg); primary_path->packet_life_time -= (primary_path->packet_life_time > 0); - sa_path_set_service_id(primary_path, req_msg->service_id); + primary_path->service_id = req_msg->service_id; if (req_msg->alt_local_lid) { alt_path->dgid = req_msg->alt_local_gid; @@ -1452,7 +1452,7 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg, alt_path->packet_life_time = cm_req_get_alt_local_ack_timeout(req_msg); alt_path->packet_life_time -= (alt_path->packet_life_time > 0); - sa_path_set_service_id(alt_path, req_msg->service_id); + alt_path->service_id = req_msg->service_id; } } diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 91b7a2f..31bb82d 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1140,7 +1140,7 @@ static void cma_save_ib_info(struct sockaddr *src_addr, ib->sib_pkey = path->pkey; ib->sib_flowinfo = path->flow_label; memcpy(&ib->sib_addr, &path->sgid, 16); - ib->sib_sid = sa_path_get_service_id(path); + ib->sib_sid = path->service_id; ib->sib_scope_id = 0; } else { ib->sib_pkey = listen_ib->sib_pkey; @@ -1274,8 +1274,7 @@ static int cma_save_req_info(const struct ib_cm_event *ib_event, memcpy(&req->local_gid, &req_param->primary_path->sgid, sizeof(req->local_gid)); req->has_gid = true; - req->service_id = - sa_path_get_service_id(req_param->primary_path); + req->service_id = req_param->primary_path->service_id; req->pkey = be16_to_cpu(req_param->primary_path->pkey); if (req->pkey != req_param->bth_pkey) pr_warn_ratelimited("RDMA CMA: got different BTH P_Key (0x%x) and primary path P_Key (0x%x)\n" @@ -1827,7 +1826,8 @@ static struct rdma_id_private *cma_new_conn_id(struct rdma_cm_id *listen_id, struct rdma_route *rt; const sa_family_t ss_family = listen_id->route.addr.src_addr.ss_family; struct sa_path_rec *path = ib_event->param.req_rcvd.primary_path; - const __be64 service_id = sa_path_get_service_id(path); + const __be64 service_id = + ib_event->param.req_rcvd.primary_path->service_id; int ret; id = rdma_create_id(listen_id->route.addr.dev_addr.net, @@ -2345,9 +2345,8 @@ static int cma_query_ib_route(struct rdma_id_private *id_priv, int timeout_ms, path_rec.pkey = cpu_to_be16(ib_addr_get_pkey(dev_addr)); path_rec.numb_path = 1; path_rec.reversible = 1; - sa_path_set_service_id(&path_rec, - rdma_get_service_id(&id_priv->id, - cma_dst_addr(id_priv))); + path_rec.service_id = rdma_get_service_id(&id_priv->id, + cma_dst_addr(id_priv)); comp_mask = IB_SA_PATH_REC_DGID | IB_SA_PATH_REC_SGID | IB_SA_PATH_REC_PKEY | IB_SA_PATH_REC_NUMB_PATH | diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h index cb7d372..d92ab4e 100644 --- a/drivers/infiniband/core/core_priv.h +++ b/drivers/infiniband/core/core_priv.h @@ -169,6 +169,16 @@ void ib_mad_cleanup(void); int ib_sa_init(void); void ib_sa_cleanup(void); +int ibnl_init(void); +void ibnl_cleanup(void); + +/** + * Check if there are any listeners to the netlink group + * @group: the netlink group ID + * Returns 0 on success or a negative for no listeners. + */ +int ibnl_chk_listeners(unsigned int group); + int ib_nl_handle_resolve_resp(struct sk_buff *skb, struct netlink_callback *cb); int ib_nl_handle_set_timeout(struct sk_buff *skb, diff --git a/drivers/infiniband/core/netlink.c b/drivers/infiniband/core/netlink.c index b784055..94931c4 100644 --- a/drivers/infiniband/core/netlink.c +++ b/drivers/infiniband/core/netlink.c @@ -37,6 +37,7 @@ #include <net/net_namespace.h> #include <net/sock.h> #include <rdma/rdma_netlink.h> +#include "core_priv.h" struct ibnl_client { struct list_head list; @@ -55,7 +56,6 @@ int ibnl_chk_listeners(unsigned int group) return -1; return 0; } -EXPORT_SYMBOL(ibnl_chk_listeners); int ibnl_add_client(int index, int nops, const struct ibnl_client_cbs cb_table[]) diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index e335b09c..fb7aec4 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -194,7 +194,7 @@ static u32 tid; .field_name = "sa_path_rec:" #field static const struct ib_field path_rec_table[] = { - { PATH_REC_FIELD(ib.service_id), + { PATH_REC_FIELD(service_id), .offset_words = 0, .offset_bits = 0, .size_bits = 64 }, @@ -296,7 +296,7 @@ static const struct ib_field path_rec_table[] = { .field_name = "sa_path_rec:" #field static const struct ib_field opa_path_rec_table[] = { - { OPA_PATH_REC_FIELD(opa.service_id), + { OPA_PATH_REC_FIELD(service_id), .offset_words = 0, .offset_bits = 0, .size_bits = 64 }, @@ -774,7 +774,7 @@ static void ib_nl_set_path_rec_attrs(struct sk_buff *skb, /* Now build the attributes */ if (comp_mask & IB_SA_PATH_REC_SERVICE_ID) { - val64 = be64_to_cpu(sa_path_get_service_id(sa_rec)); + val64 = be64_to_cpu(sa_rec->service_id); nla_put(skb, RDMA_NLA_F_MANDATORY | LS_NLA_TYPE_SERVICE_ID, sizeof(val64), &val64); } diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index 3dbf811..21e60b1 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -58,7 +58,7 @@ static void __ib_umem_release(struct ib_device *dev, struct ib_umem *umem, int d for_each_sg(umem->sg_head.sgl, sg, umem->npages, i) { page = sg_page(sg); - if (umem->writable && dirty) + if (!PageDirty(page) && umem->writable && dirty) set_page_dirty_lock(page); put_page(page); } diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c index 0780b1a..8c4ec56 100644 --- a/drivers/infiniband/core/umem_odp.c +++ b/drivers/infiniband/core/umem_odp.c @@ -321,11 +321,15 @@ int ib_umem_odp_get(struct ib_ucontext *context, struct ib_umem *umem, struct vm_area_struct *vma; struct hstate *h; + down_read(&mm->mmap_sem); vma = find_vma(mm, ib_umem_start(umem)); - if (!vma || !is_vm_hugetlb_page(vma)) + if (!vma || !is_vm_hugetlb_page(vma)) { + up_read(&mm->mmap_sem); return -EINVAL; + } h = hstate_vma(vma); umem->page_shift = huge_page_shift(h); + up_read(&mm->mmap_sem); umem->hugetlb = 1; } else { umem->hugetlb = 0; diff --git a/drivers/infiniband/core/uverbs_marshall.c b/drivers/infiniband/core/uverbs_marshall.c index 8b9587f..94fd989 100644 --- a/drivers/infiniband/core/uverbs_marshall.c +++ b/drivers/infiniband/core/uverbs_marshall.c @@ -96,11 +96,11 @@ void ib_copy_qp_attr_to_user(struct ib_uverbs_qp_attr *dst, } EXPORT_SYMBOL(ib_copy_qp_attr_to_user); -void __ib_copy_path_rec_to_user(struct ib_user_path_rec *dst, - struct sa_path_rec *src) +static void __ib_copy_path_rec_to_user(struct ib_user_path_rec *dst, + struct sa_path_rec *src) { - memcpy(dst->dgid, src->dgid.raw, sizeof src->dgid); - memcpy(dst->sgid, src->sgid.raw, sizeof src->sgid); + memcpy(dst->dgid, src->dgid.raw, sizeof(src->dgid)); + memcpy(dst->sgid, src->sgid.raw, sizeof(src->sgid)); dst->dlid = htons(ntohl(sa_path_get_dlid(src))); dst->slid = htons(ntohl(sa_path_get_slid(src))); diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h index ebf7be8..0877283 100644 --- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h +++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h @@ -56,6 +56,10 @@ #define BNXT_RE_MAX_SRQC_COUNT (64 * 1024) #define BNXT_RE_MAX_CQ_COUNT (64 * 1024) +#define BNXT_RE_UD_QP_HW_STALL 0x400000 + +#define BNXT_RE_RQ_WQE_THRESHOLD 32 + struct bnxt_re_work { struct work_struct work; unsigned long event; diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index 7ba9e69..c7bd683 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -61,6 +61,48 @@ #include "ib_verbs.h" #include <rdma/bnxt_re-abi.h> +static int __from_ib_access_flags(int iflags) +{ + int qflags = 0; + + if (iflags & IB_ACCESS_LOCAL_WRITE) + qflags |= BNXT_QPLIB_ACCESS_LOCAL_WRITE; + if (iflags & IB_ACCESS_REMOTE_READ) + qflags |= BNXT_QPLIB_ACCESS_REMOTE_READ; + if (iflags & IB_ACCESS_REMOTE_WRITE) + qflags |= BNXT_QPLIB_ACCESS_REMOTE_WRITE; + if (iflags & IB_ACCESS_REMOTE_ATOMIC) + qflags |= BNXT_QPLIB_ACCESS_REMOTE_ATOMIC; + if (iflags & IB_ACCESS_MW_BIND) + qflags |= BNXT_QPLIB_ACCESS_MW_BIND; + if (iflags & IB_ZERO_BASED) + qflags |= BNXT_QPLIB_ACCESS_ZERO_BASED; + if (iflags & IB_ACCESS_ON_DEMAND) + qflags |= BNXT_QPLIB_ACCESS_ON_DEMAND; + return qflags; +}; + +static enum ib_access_flags __to_ib_access_flags(int qflags) +{ + enum ib_access_flags iflags = 0; + + if (qflags & BNXT_QPLIB_ACCESS_LOCAL_WRITE) + iflags |= IB_ACCESS_LOCAL_WRITE; + if (qflags & BNXT_QPLIB_ACCESS_REMOTE_WRITE) + iflags |= IB_ACCESS_REMOTE_WRITE; + if (qflags & BNXT_QPLIB_ACCESS_REMOTE_READ) + iflags |= IB_ACCESS_REMOTE_READ; + if (qflags & BNXT_QPLIB_ACCESS_REMOTE_ATOMIC) + iflags |= IB_ACCESS_REMOTE_ATOMIC; + if (qflags & BNXT_QPLIB_ACCESS_MW_BIND) + iflags |= IB_ACCESS_MW_BIND; + if (qflags & BNXT_QPLIB_ACCESS_ZERO_BASED) + iflags |= IB_ZERO_BASED; + if (qflags & BNXT_QPLIB_ACCESS_ON_DEMAND) + iflags |= IB_ACCESS_ON_DEMAND; + return iflags; +}; + static int bnxt_re_build_sgl(struct ib_sge *ib_sg_list, struct bnxt_qplib_sge *sg_list, int num) { @@ -149,8 +191,8 @@ int bnxt_re_query_device(struct ib_device *ibdev, ib_attr->max_total_mcast_qp_attach = 0; ib_attr->max_ah = dev_attr->max_ah; - ib_attr->max_fmr = dev_attr->max_fmr; - ib_attr->max_map_per_fmr = 1; /* ? */ + ib_attr->max_fmr = 0; + ib_attr->max_map_per_fmr = 0; ib_attr->max_srq = dev_attr->max_srq; ib_attr->max_srq_wr = dev_attr->max_srq_wqes; @@ -410,6 +452,158 @@ enum rdma_link_layer bnxt_re_get_link_layer(struct ib_device *ibdev, return IB_LINK_LAYER_ETHERNET; } +#define BNXT_RE_FENCE_PBL_SIZE DIV_ROUND_UP(BNXT_RE_FENCE_BYTES, PAGE_SIZE) + +static void bnxt_re_create_fence_wqe(struct bnxt_re_pd *pd) +{ + struct bnxt_re_fence_data *fence = &pd->fence; + struct ib_mr *ib_mr = &fence->mr->ib_mr; + struct bnxt_qplib_swqe *wqe = &fence->bind_wqe; + + memset(wqe, 0, sizeof(*wqe)); + wqe->type = BNXT_QPLIB_SWQE_TYPE_BIND_MW; + wqe->wr_id = BNXT_QPLIB_FENCE_WRID; + wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP; + wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE; + wqe->bind.zero_based = false; + wqe->bind.parent_l_key = ib_mr->lkey; + wqe->bind.va = (u64)(unsigned long)fence->va; + wqe->bind.length = fence->size; + wqe->bind.access_cntl = __from_ib_access_flags(IB_ACCESS_REMOTE_READ); + wqe->bind.mw_type = SQ_BIND_MW_TYPE_TYPE1; + + /* Save the initial rkey in fence structure for now; + * wqe->bind.r_key will be set at (re)bind time. + */ + fence->bind_rkey = ib_inc_rkey(fence->mw->rkey); +} + +static int bnxt_re_bind_fence_mw(struct bnxt_qplib_qp *qplib_qp) +{ + struct bnxt_re_qp *qp = container_of(qplib_qp, struct bnxt_re_qp, + qplib_qp); + struct ib_pd *ib_pd = qp->ib_qp.pd; + struct bnxt_re_pd *pd = container_of(ib_pd, struct bnxt_re_pd, ib_pd); + struct bnxt_re_fence_data *fence = &pd->fence; + struct bnxt_qplib_swqe *fence_wqe = &fence->bind_wqe; + struct bnxt_qplib_swqe wqe; + int rc; + + memcpy(&wqe, fence_wqe, sizeof(wqe)); + wqe.bind.r_key = fence->bind_rkey; + fence->bind_rkey = ib_inc_rkey(fence->bind_rkey); + + dev_dbg(rdev_to_dev(qp->rdev), + "Posting bind fence-WQE: rkey: %#x QP: %d PD: %p\n", + wqe.bind.r_key, qp->qplib_qp.id, pd); + rc = bnxt_qplib_post_send(&qp->qplib_qp, &wqe); + if (rc) { + dev_err(rdev_to_dev(qp->rdev), "Failed to bind fence-WQE\n"); + return rc; + } + bnxt_qplib_post_send_db(&qp->qplib_qp); + + return rc; +} + +static void bnxt_re_destroy_fence_mr(struct bnxt_re_pd *pd) +{ + struct bnxt_re_fence_data *fence = &pd->fence; + struct bnxt_re_dev *rdev = pd->rdev; + struct device *dev = &rdev->en_dev->pdev->dev; + struct bnxt_re_mr *mr = fence->mr; + + if (fence->mw) { + bnxt_re_dealloc_mw(fence->mw); + fence->mw = NULL; + } + if (mr) { + if (mr->ib_mr.rkey) + bnxt_qplib_dereg_mrw(&rdev->qplib_res, &mr->qplib_mr, + true); + if (mr->ib_mr.lkey) + bnxt_qplib_free_mrw(&rdev->qplib_res, &mr->qplib_mr); + kfree(mr); + fence->mr = NULL; + } + if (fence->dma_addr) { + dma_unmap_single(dev, fence->dma_addr, BNXT_RE_FENCE_BYTES, + DMA_BIDIRECTIONAL); + fence->dma_addr = 0; + } +} + +static int bnxt_re_create_fence_mr(struct bnxt_re_pd *pd) +{ + int mr_access_flags = IB_ACCESS_LOCAL_WRITE | IB_ACCESS_MW_BIND; + struct bnxt_re_fence_data *fence = &pd->fence; + struct bnxt_re_dev *rdev = pd->rdev; + struct device *dev = &rdev->en_dev->pdev->dev; + struct bnxt_re_mr *mr = NULL; + dma_addr_t dma_addr = 0; + struct ib_mw *mw; + u64 pbl_tbl; + int rc; + + dma_addr = dma_map_single(dev, fence->va, BNXT_RE_FENCE_BYTES, + DMA_BIDIRECTIONAL); + rc = dma_mapping_error(dev, dma_addr); + if (rc) { + dev_err(rdev_to_dev(rdev), "Failed to dma-map fence-MR-mem\n"); + rc = -EIO; + fence->dma_addr = 0; + goto fail; + } + fence->dma_addr = dma_addr; + + /* Allocate a MR */ + mr = kzalloc(sizeof(*mr), GFP_KERNEL); + if (!mr) { + rc = -ENOMEM; + goto fail; + } + fence->mr = mr; + mr->rdev = rdev; + mr->qplib_mr.pd = &pd->qplib_pd; + mr->qplib_mr.type = CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR; + mr->qplib_mr.flags = __from_ib_access_flags(mr_access_flags); + rc = bnxt_qplib_alloc_mrw(&rdev->qplib_res, &mr->qplib_mr); + if (rc) { + dev_err(rdev_to_dev(rdev), "Failed to alloc fence-HW-MR\n"); + goto fail; + } + + /* Register MR */ + mr->ib_mr.lkey = mr->qplib_mr.lkey; + mr->qplib_mr.va = (u64)(unsigned long)fence->va; + mr->qplib_mr.total_size = BNXT_RE_FENCE_BYTES; + pbl_tbl = dma_addr; + rc = bnxt_qplib_reg_mr(&rdev->qplib_res, &mr->qplib_mr, &pbl_tbl, + BNXT_RE_FENCE_PBL_SIZE, false); + if (rc) { + dev_err(rdev_to_dev(rdev), "Failed to register fence-MR\n"); + goto fail; + } + mr->ib_mr.rkey = mr->qplib_mr.rkey; + + /* Create a fence MW only for kernel consumers */ + mw = bnxt_re_alloc_mw(&pd->ib_pd, IB_MW_TYPE_1, NULL); + if (!mw) { + dev_err(rdev_to_dev(rdev), + "Failed to create fence-MW for PD: %p\n", pd); + rc = -EINVAL; + goto fail; + } + fence->mw = mw; + + bnxt_re_create_fence_wqe(pd); + return 0; + +fail: + bnxt_re_destroy_fence_mr(pd); + return rc; +} + /* Protection Domains */ int bnxt_re_dealloc_pd(struct ib_pd *ib_pd) { @@ -417,6 +611,7 @@ int bnxt_re_dealloc_pd(struct ib_pd *ib_pd) struct bnxt_re_dev *rdev = pd->rdev; int rc; + bnxt_re_destroy_fence_mr(pd); if (ib_pd->uobject && pd->dpi.dbr) { struct ib_ucontext *ib_uctx = ib_pd->uobject->context; struct bnxt_re_ucontext *ucntx; @@ -498,6 +693,10 @@ struct ib_pd *bnxt_re_alloc_pd(struct ib_device *ibdev, } } + if (!udata) + if (bnxt_re_create_fence_mr(pd)) + dev_warn(rdev_to_dev(rdev), + "Failed to create Fence-MR\n"); return &pd->ib_pd; dbfail: (void)bnxt_qplib_dealloc_pd(&rdev->qplib_res, &rdev->qplib_res.pd_tbl, @@ -849,12 +1048,16 @@ static struct bnxt_re_qp *bnxt_re_create_shadow_qp /* Shadow QP SQ depth should be same as QP1 RQ depth */ qp->qplib_qp.sq.max_wqe = qp1_qp->rq.max_wqe; qp->qplib_qp.sq.max_sge = 2; + /* Q full delta can be 1 since it is internal QP */ + qp->qplib_qp.sq.q_full_delta = 1; qp->qplib_qp.scq = qp1_qp->scq; qp->qplib_qp.rcq = qp1_qp->rcq; qp->qplib_qp.rq.max_wqe = qp1_qp->rq.max_wqe; qp->qplib_qp.rq.max_sge = qp1_qp->rq.max_sge; + /* Q full delta can be 1 since it is internal QP */ + qp->qplib_qp.rq.q_full_delta = 1; qp->qplib_qp.mtu = qp1_qp->mtu; @@ -917,10 +1120,6 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd, qp->qplib_qp.sig_type = ((qp_init_attr->sq_sig_type == IB_SIGNAL_ALL_WR) ? true : false); - entries = roundup_pow_of_two(qp_init_attr->cap.max_send_wr + 1); - qp->qplib_qp.sq.max_wqe = min_t(u32, entries, - dev_attr->max_qp_wqes + 1); - qp->qplib_qp.sq.max_sge = qp_init_attr->cap.max_send_sge; if (qp->qplib_qp.sq.max_sge > dev_attr->max_qp_sges) qp->qplib_qp.sq.max_sge = dev_attr->max_qp_sges; @@ -959,6 +1158,9 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd, qp->qplib_qp.rq.max_wqe = min_t(u32, entries, dev_attr->max_qp_wqes + 1); + qp->qplib_qp.rq.q_full_delta = qp->qplib_qp.rq.max_wqe - + qp_init_attr->cap.max_recv_wr; + qp->qplib_qp.rq.max_sge = qp_init_attr->cap.max_recv_sge; if (qp->qplib_qp.rq.max_sge > dev_attr->max_qp_sges) qp->qplib_qp.rq.max_sge = dev_attr->max_qp_sges; @@ -967,6 +1169,12 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd, qp->qplib_qp.mtu = ib_mtu_enum_to_int(iboe_get_mtu(rdev->netdev->mtu)); if (qp_init_attr->qp_type == IB_QPT_GSI) { + /* Allocate 1 more than what's provided */ + entries = roundup_pow_of_two(qp_init_attr->cap.max_send_wr + 1); + qp->qplib_qp.sq.max_wqe = min_t(u32, entries, + dev_attr->max_qp_wqes + 1); + qp->qplib_qp.sq.q_full_delta = qp->qplib_qp.sq.max_wqe - + qp_init_attr->cap.max_send_wr; qp->qplib_qp.rq.max_sge = dev_attr->max_qp_sges; if (qp->qplib_qp.rq.max_sge > dev_attr->max_qp_sges) qp->qplib_qp.rq.max_sge = dev_attr->max_qp_sges; @@ -1006,6 +1214,22 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd, } } else { + /* Allocate 128 + 1 more than what's provided */ + entries = roundup_pow_of_two(qp_init_attr->cap.max_send_wr + + BNXT_QPLIB_RESERVED_QP_WRS + 1); + qp->qplib_qp.sq.max_wqe = min_t(u32, entries, + dev_attr->max_qp_wqes + + BNXT_QPLIB_RESERVED_QP_WRS + 1); + qp->qplib_qp.sq.q_full_delta = BNXT_QPLIB_RESERVED_QP_WRS + 1; + + /* + * Reserving one slot for Phantom WQE. Application can + * post one extra entry in this case. But allowing this to avoid + * unexpected Queue full condition + */ + + qp->qplib_qp.sq.q_full_delta -= 1; + qp->qplib_qp.max_rd_atomic = dev_attr->max_qp_rd_atom; qp->qplib_qp.max_dest_rd_atomic = dev_attr->max_qp_init_rd_atom; if (udata) { @@ -1025,6 +1249,7 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd, qp->ib_qp.qp_num = qp->qplib_qp.id; spin_lock_init(&qp->sq_lock); + spin_lock_init(&qp->rq_lock); if (udata) { struct bnxt_re_qp_resp resp; @@ -1129,48 +1354,6 @@ static enum ib_mtu __to_ib_mtu(u32 mtu) } } -static int __from_ib_access_flags(int iflags) -{ - int qflags = 0; - - if (iflags & IB_ACCESS_LOCAL_WRITE) - qflags |= BNXT_QPLIB_ACCESS_LOCAL_WRITE; - if (iflags & IB_ACCESS_REMOTE_READ) - qflags |= BNXT_QPLIB_ACCESS_REMOTE_READ; - if (iflags & IB_ACCESS_REMOTE_WRITE) - qflags |= BNXT_QPLIB_ACCESS_REMOTE_WRITE; - if (iflags & IB_ACCESS_REMOTE_ATOMIC) - qflags |= BNXT_QPLIB_ACCESS_REMOTE_ATOMIC; - if (iflags & IB_ACCESS_MW_BIND) - qflags |= BNXT_QPLIB_ACCESS_MW_BIND; - if (iflags & IB_ZERO_BASED) - qflags |= BNXT_QPLIB_ACCESS_ZERO_BASED; - if (iflags & IB_ACCESS_ON_DEMAND) - qflags |= BNXT_QPLIB_ACCESS_ON_DEMAND; - return qflags; -}; - -static enum ib_access_flags __to_ib_access_flags(int qflags) -{ - enum ib_access_flags iflags = 0; - - if (qflags & BNXT_QPLIB_ACCESS_LOCAL_WRITE) - iflags |= IB_ACCESS_LOCAL_WRITE; - if (qflags & BNXT_QPLIB_ACCESS_REMOTE_WRITE) - iflags |= IB_ACCESS_REMOTE_WRITE; - if (qflags & BNXT_QPLIB_ACCESS_REMOTE_READ) - iflags |= IB_ACCESS_REMOTE_READ; - if (qflags & BNXT_QPLIB_ACCESS_REMOTE_ATOMIC) - iflags |= IB_ACCESS_REMOTE_ATOMIC; - if (qflags & BNXT_QPLIB_ACCESS_MW_BIND) - iflags |= IB_ACCESS_MW_BIND; - if (qflags & BNXT_QPLIB_ACCESS_ZERO_BASED) - iflags |= IB_ZERO_BASED; - if (qflags & BNXT_QPLIB_ACCESS_ON_DEMAND) - iflags |= IB_ACCESS_ON_DEMAND; - return iflags; -}; - static int bnxt_re_modify_shadow_qp(struct bnxt_re_dev *rdev, struct bnxt_re_qp *qp1_qp, int qp_attr_mask) @@ -1378,11 +1561,21 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr, entries = roundup_pow_of_two(qp_attr->cap.max_send_wr); qp->qplib_qp.sq.max_wqe = min_t(u32, entries, dev_attr->max_qp_wqes + 1); + qp->qplib_qp.sq.q_full_delta = qp->qplib_qp.sq.max_wqe - + qp_attr->cap.max_send_wr; + /* + * Reserving one slot for Phantom WQE. Some application can + * post one extra entry in this case. Allowing this to avoid + * unexpected Queue full condition + */ + qp->qplib_qp.sq.q_full_delta -= 1; qp->qplib_qp.sq.max_sge = qp_attr->cap.max_send_sge; if (qp->qplib_qp.rq.max_wqe) { entries = roundup_pow_of_two(qp_attr->cap.max_recv_wr); qp->qplib_qp.rq.max_wqe = min_t(u32, entries, dev_attr->max_qp_wqes + 1); + qp->qplib_qp.rq.q_full_delta = qp->qplib_qp.rq.max_wqe - + qp_attr->cap.max_recv_wr; qp->qplib_qp.rq.max_sge = qp_attr->cap.max_recv_sge; } else { /* SRQ was used prior, just ignore the RQ caps */ @@ -1883,6 +2076,22 @@ static int bnxt_re_copy_wr_payload(struct bnxt_re_dev *rdev, return payload_sz; } +static void bnxt_ud_qp_hw_stall_workaround(struct bnxt_re_qp *qp) +{ + if ((qp->ib_qp.qp_type == IB_QPT_UD || + qp->ib_qp.qp_type == IB_QPT_GSI || + qp->ib_qp.qp_type == IB_QPT_RAW_ETHERTYPE) && + qp->qplib_qp.wqe_cnt == BNXT_RE_UD_QP_HW_STALL) { + int qp_attr_mask; + struct ib_qp_attr qp_attr; + + qp_attr_mask = IB_QP_STATE; + qp_attr.qp_state = IB_QPS_RTS; + bnxt_re_modify_qp(&qp->ib_qp, &qp_attr, qp_attr_mask, NULL); + qp->qplib_qp.wqe_cnt = 0; + } +} + static int bnxt_re_post_send_shadow_qp(struct bnxt_re_dev *rdev, struct bnxt_re_qp *qp, struct ib_send_wr *wr) @@ -1928,6 +2137,7 @@ bad: wr = wr->next; } bnxt_qplib_post_send_db(&qp->qplib_qp); + bnxt_ud_qp_hw_stall_workaround(qp); spin_unlock_irqrestore(&qp->sq_lock, flags); return rc; } @@ -2024,6 +2234,7 @@ bad: wr = wr->next; } bnxt_qplib_post_send_db(&qp->qplib_qp); + bnxt_ud_qp_hw_stall_workaround(qp); spin_unlock_irqrestore(&qp->sq_lock, flags); return rc; @@ -2071,7 +2282,10 @@ int bnxt_re_post_recv(struct ib_qp *ib_qp, struct ib_recv_wr *wr, struct bnxt_re_qp *qp = container_of(ib_qp, struct bnxt_re_qp, ib_qp); struct bnxt_qplib_swqe wqe; int rc = 0, payload_sz = 0; + unsigned long flags; + u32 count = 0; + spin_lock_irqsave(&qp->rq_lock, flags); while (wr) { /* House keeping */ memset(&wqe, 0, sizeof(wqe)); @@ -2100,9 +2314,21 @@ int bnxt_re_post_recv(struct ib_qp *ib_qp, struct ib_recv_wr *wr, *bad_wr = wr; break; } + + /* Ring DB if the RQEs posted reaches a threshold value */ + if (++count >= BNXT_RE_RQ_WQE_THRESHOLD) { + bnxt_qplib_post_recv_db(&qp->qplib_qp); + count = 0; + } + wr = wr->next; } - bnxt_qplib_post_recv_db(&qp->qplib_qp); + + if (count) + bnxt_qplib_post_recv_db(&qp->qplib_qp); + + spin_unlock_irqrestore(&qp->rq_lock, flags); + return rc; } @@ -2643,12 +2869,36 @@ static void bnxt_re_process_res_ud_wc(struct ib_wc *wc, wc->opcode = IB_WC_RECV_RDMA_WITH_IMM; } +static int send_phantom_wqe(struct bnxt_re_qp *qp) +{ + struct bnxt_qplib_qp *lib_qp = &qp->qplib_qp; + unsigned long flags; + int rc = 0; + + spin_lock_irqsave(&qp->sq_lock, flags); + + rc = bnxt_re_bind_fence_mw(lib_qp); + if (!rc) { + lib_qp->sq.phantom_wqe_cnt++; + dev_dbg(&lib_qp->sq.hwq.pdev->dev, + "qp %#x sq->prod %#x sw_prod %#x phantom_wqe_cnt %d\n", + lib_qp->id, lib_qp->sq.hwq.prod, + HWQ_CMP(lib_qp->sq.hwq.prod, &lib_qp->sq.hwq), + lib_qp->sq.phantom_wqe_cnt); + } + + spin_unlock_irqrestore(&qp->sq_lock, flags); + return rc; +} + int bnxt_re_poll_cq(struct ib_cq *ib_cq, int num_entries, struct ib_wc *wc) { struct bnxt_re_cq *cq = container_of(ib_cq, struct bnxt_re_cq, ib_cq); struct bnxt_re_qp *qp; struct bnxt_qplib_cqe *cqe; int i, ncqe, budget; + struct bnxt_qplib_q *sq; + struct bnxt_qplib_qp *lib_qp; u32 tbl_idx; struct bnxt_re_sqp_entries *sqp_entry = NULL; unsigned long flags; @@ -2661,7 +2911,21 @@ int bnxt_re_poll_cq(struct ib_cq *ib_cq, int num_entries, struct ib_wc *wc) } cqe = &cq->cql[0]; while (budget) { - ncqe = bnxt_qplib_poll_cq(&cq->qplib_cq, cqe, budget); + lib_qp = NULL; + ncqe = bnxt_qplib_poll_cq(&cq->qplib_cq, cqe, budget, &lib_qp); + if (lib_qp) { + sq = &lib_qp->sq; + if (sq->send_phantom) { + qp = container_of(lib_qp, + struct bnxt_re_qp, qplib_qp); + if (send_phantom_wqe(qp) == -ENOMEM) + dev_err(rdev_to_dev(cq->rdev), + "Phantom failed! Scheduled to send again\n"); + else + sq->send_phantom = false; + } + } + if (!ncqe) break; @@ -2822,6 +3086,12 @@ int bnxt_re_dereg_mr(struct ib_mr *ib_mr) struct bnxt_re_dev *rdev = mr->rdev; int rc; + rc = bnxt_qplib_free_mrw(&rdev->qplib_res, &mr->qplib_mr); + if (rc) { + dev_err(rdev_to_dev(rdev), "Dereg MR failed: %#x\n", rc); + return rc; + } + if (mr->npages && mr->pages) { rc = bnxt_qplib_free_fast_reg_page_list(&rdev->qplib_res, &mr->qplib_frpl); @@ -2829,8 +3099,6 @@ int bnxt_re_dereg_mr(struct ib_mr *ib_mr) mr->npages = 0; mr->pages = NULL; } - rc = bnxt_qplib_free_mrw(&rdev->qplib_res, &mr->qplib_mr); - if (!IS_ERR_OR_NULL(mr->ib_umem)) ib_umem_release(mr->ib_umem); @@ -2914,97 +3182,52 @@ fail: return ERR_PTR(rc); } -/* Fast Memory Regions */ -struct ib_fmr *bnxt_re_alloc_fmr(struct ib_pd *ib_pd, int mr_access_flags, - struct ib_fmr_attr *fmr_attr) +struct ib_mw *bnxt_re_alloc_mw(struct ib_pd *ib_pd, enum ib_mw_type type, + struct ib_udata *udata) { struct bnxt_re_pd *pd = container_of(ib_pd, struct bnxt_re_pd, ib_pd); struct bnxt_re_dev *rdev = pd->rdev; - struct bnxt_re_fmr *fmr; + struct bnxt_re_mw *mw; int rc; - if (fmr_attr->max_pages > MAX_PBL_LVL_2_PGS || - fmr_attr->max_maps > rdev->dev_attr.max_map_per_fmr) { - dev_err(rdev_to_dev(rdev), "Allocate FMR exceeded Max limit"); + mw = kzalloc(sizeof(*mw), GFP_KERNEL); + if (!mw) return ERR_PTR(-ENOMEM); - } - fmr = kzalloc(sizeof(*fmr), GFP_KERNEL); - if (!fmr) - return ERR_PTR(-ENOMEM); - - fmr->rdev = rdev; - fmr->qplib_fmr.pd = &pd->qplib_pd; - fmr->qplib_fmr.type = CMDQ_ALLOCATE_MRW_MRW_FLAGS_PMR; + mw->rdev = rdev; + mw->qplib_mw.pd = &pd->qplib_pd; - rc = bnxt_qplib_alloc_mrw(&rdev->qplib_res, &fmr->qplib_fmr); - if (rc) + mw->qplib_mw.type = (type == IB_MW_TYPE_1 ? + CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1 : + CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B); + rc = bnxt_qplib_alloc_mrw(&rdev->qplib_res, &mw->qplib_mw); + if (rc) { + dev_err(rdev_to_dev(rdev), "Allocate MW failed!"); goto fail; + } + mw->ib_mw.rkey = mw->qplib_mw.rkey; - fmr->qplib_fmr.flags = __from_ib_access_flags(mr_access_flags); - fmr->ib_fmr.lkey = fmr->qplib_fmr.lkey; - fmr->ib_fmr.rkey = fmr->ib_fmr.lkey; + atomic_inc(&rdev->mw_count); + return &mw->ib_mw; - atomic_inc(&rdev->mr_count); - return &fmr->ib_fmr; fail: - kfree(fmr); + kfree(mw); return ERR_PTR(rc); } -int bnxt_re_map_phys_fmr(struct ib_fmr *ib_fmr, u64 *page_list, int list_len, - u64 iova) +int bnxt_re_dealloc_mw(struct ib_mw *ib_mw) { - struct bnxt_re_fmr *fmr = container_of(ib_fmr, struct bnxt_re_fmr, - ib_fmr); - struct bnxt_re_dev *rdev = fmr->rdev; + struct bnxt_re_mw *mw = container_of(ib_mw, struct bnxt_re_mw, ib_mw); + struct bnxt_re_dev *rdev = mw->rdev; int rc; - fmr->qplib_fmr.va = iova; - fmr->qplib_fmr.total_size = list_len * PAGE_SIZE; - - rc = bnxt_qplib_reg_mr(&rdev->qplib_res, &fmr->qplib_fmr, page_list, - list_len, true); - if (rc) - dev_err(rdev_to_dev(rdev), "Failed to map FMR for lkey = 0x%x!", - fmr->ib_fmr.lkey); - return rc; -} - -int bnxt_re_unmap_fmr(struct list_head *fmr_list) -{ - struct bnxt_re_dev *rdev; - struct bnxt_re_fmr *fmr; - struct ib_fmr *ib_fmr; - int rc = 0; - - /* Validate each FMRs inside the fmr_list */ - list_for_each_entry(ib_fmr, fmr_list, list) { - fmr = container_of(ib_fmr, struct bnxt_re_fmr, ib_fmr); - rdev = fmr->rdev; - - if (rdev) { - rc = bnxt_qplib_dereg_mrw(&rdev->qplib_res, - &fmr->qplib_fmr, true); - if (rc) - break; - } + rc = bnxt_qplib_free_mrw(&rdev->qplib_res, &mw->qplib_mw); + if (rc) { + dev_err(rdev_to_dev(rdev), "Free MW failed: %#x\n", rc); + return rc; } - return rc; -} - -int bnxt_re_dealloc_fmr(struct ib_fmr *ib_fmr) -{ - struct bnxt_re_fmr *fmr = container_of(ib_fmr, struct bnxt_re_fmr, - ib_fmr); - struct bnxt_re_dev *rdev = fmr->rdev; - int rc; - rc = bnxt_qplib_free_mrw(&rdev->qplib_res, &fmr->qplib_fmr); - if (rc) - dev_err(rdev_to_dev(rdev), "Failed to free FMR"); - - kfree(fmr); - atomic_dec(&rdev->mr_count); + kfree(mw); + atomic_dec(&rdev->mw_count); return rc; } diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h index 5c3d717..6c160f6 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h @@ -44,11 +44,23 @@ struct bnxt_re_gid_ctx { u32 refcnt; }; +#define BNXT_RE_FENCE_BYTES 64 +struct bnxt_re_fence_data { + u32 size; + u8 va[BNXT_RE_FENCE_BYTES]; + dma_addr_t dma_addr; + struct bnxt_re_mr *mr; + struct ib_mw *mw; + struct bnxt_qplib_swqe bind_wqe; + u32 bind_rkey; +}; + struct bnxt_re_pd { struct bnxt_re_dev *rdev; struct ib_pd ib_pd; struct bnxt_qplib_pd qplib_pd; struct bnxt_qplib_dpi dpi; + struct bnxt_re_fence_data fence; }; struct bnxt_re_ah { @@ -62,6 +74,7 @@ struct bnxt_re_qp { struct bnxt_re_dev *rdev; struct ib_qp ib_qp; spinlock_t sq_lock; /* protect sq */ + spinlock_t rq_lock; /* protect rq */ struct bnxt_qplib_qp qplib_qp; struct ib_umem *sumem; struct ib_umem *rumem; @@ -181,12 +194,9 @@ int bnxt_re_map_mr_sg(struct ib_mr *ib_mr, struct scatterlist *sg, int sg_nents, struct ib_mr *bnxt_re_alloc_mr(struct ib_pd *ib_pd, enum ib_mr_type mr_type, u32 max_num_sg); int bnxt_re_dereg_mr(struct ib_mr *mr); -struct ib_fmr *bnxt_re_alloc_fmr(struct ib_pd *pd, int mr_access_flags, - struct ib_fmr_attr *fmr_attr); -int bnxt_re_map_phys_fmr(struct ib_fmr *fmr, u64 *page_list, int list_len, - u64 iova); -int bnxt_re_unmap_fmr(struct list_head *fmr_list); -int bnxt_re_dealloc_fmr(struct ib_fmr *fmr); +struct ib_mw *bnxt_re_alloc_mw(struct ib_pd *ib_pd, enum ib_mw_type type, + struct ib_udata *udata); +int bnxt_re_dealloc_mw(struct ib_mw *mw); struct ib_mr *bnxt_re_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt_addr, int mr_access_flags, struct ib_udata *udata); diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index 5d35540..1fce5e7 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -507,10 +507,6 @@ static int bnxt_re_register_ib(struct bnxt_re_dev *rdev) ibdev->dereg_mr = bnxt_re_dereg_mr; ibdev->alloc_mr = bnxt_re_alloc_mr; ibdev->map_mr_sg = bnxt_re_map_mr_sg; - ibdev->alloc_fmr = bnxt_re_alloc_fmr; - ibdev->map_phys_fmr = bnxt_re_map_phys_fmr; - ibdev->unmap_fmr = bnxt_re_unmap_fmr; - ibdev->dealloc_fmr = bnxt_re_dealloc_fmr; ibdev->reg_user_mr = bnxt_re_reg_user_mr; ibdev->alloc_ucontext = bnxt_re_alloc_ucontext; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c index 43d08b5..f05500bc 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c @@ -284,7 +284,7 @@ int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) { struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct cmdq_create_qp1 req; - struct creq_create_qp1_resp *resp; + struct creq_create_qp1_resp resp; struct bnxt_qplib_pbl *pbl; struct bnxt_qplib_q *sq = &qp->sq; struct bnxt_qplib_q *rq = &qp->rq; @@ -394,31 +394,12 @@ int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) req.pd_id = cpu_to_le32(qp->pd->id); - resp = (struct creq_create_qp1_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, 0); - if (!resp) { - dev_err(&res->pdev->dev, "QPLIB: FP: CREATE_QP1 send failed"); - rc = -EINVAL; - goto fail; - } - if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&rcfw->pdev->dev, "QPLIB: FP: CREATE_QP1 timed out"); - rc = -ETIMEDOUT; - goto fail; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&rcfw->pdev->dev, "QPLIB: FP: CREATE_QP1 failed "); - dev_err(&rcfw->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - rc = -EINVAL; + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, + (void *)&resp, NULL, 0); + if (rc) goto fail; - } - qp->id = le32_to_cpu(resp->xid); + + qp->id = le32_to_cpu(resp.xid); qp->cur_qp_state = CMDQ_MODIFY_QP_NEW_STATE_RESET; sq->flush_in_progress = false; rq->flush_in_progress = false; @@ -442,7 +423,7 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct sq_send *hw_sq_send_hdr, **hw_sq_send_ptr; struct cmdq_create_qp req; - struct creq_create_qp_resp *resp; + struct creq_create_qp_resp resp; struct bnxt_qplib_pbl *pbl; struct sq_psn_search **psn_search_ptr; unsigned long int psn_search, poff = 0; @@ -627,31 +608,12 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) } req.pd_id = cpu_to_le32(qp->pd->id); - resp = (struct creq_create_qp_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, 0); - if (!resp) { - dev_err(&rcfw->pdev->dev, "QPLIB: FP: CREATE_QP send failed"); - rc = -EINVAL; - goto fail; - } - if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&rcfw->pdev->dev, "QPLIB: FP: CREATE_QP timed out"); - rc = -ETIMEDOUT; - goto fail; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&rcfw->pdev->dev, "QPLIB: FP: CREATE_QP failed "); - dev_err(&rcfw->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - rc = -EINVAL; + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, + (void *)&resp, NULL, 0); + if (rc) goto fail; - } - qp->id = le32_to_cpu(resp->xid); + + qp->id = le32_to_cpu(resp.xid); qp->cur_qp_state = CMDQ_MODIFY_QP_NEW_STATE_RESET; sq->flush_in_progress = false; rq->flush_in_progress = false; @@ -769,10 +731,11 @@ int bnxt_qplib_modify_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) { struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct cmdq_modify_qp req; - struct creq_modify_qp_resp *resp; + struct creq_modify_qp_resp resp; u16 cmd_flags = 0, pkey; u32 temp32[4]; u32 bmask; + int rc; RCFW_CMD_PREP(req, MODIFY_QP, cmd_flags); @@ -862,27 +825,10 @@ int bnxt_qplib_modify_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) req.vlan_pcp_vlan_dei_vlan_id = cpu_to_le16(qp->vlan_id); - resp = (struct creq_modify_qp_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, 0); - if (!resp) { - dev_err(&rcfw->pdev->dev, "QPLIB: FP: MODIFY_QP send failed"); - return -EINVAL; - } - if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&rcfw->pdev->dev, "QPLIB: FP: MODIFY_QP timed out"); - return -ETIMEDOUT; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&rcfw->pdev->dev, "QPLIB: FP: MODIFY_QP failed "); - dev_err(&rcfw->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - return -EINVAL; - } + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, + (void *)&resp, NULL, 0); + if (rc) + return rc; qp->cur_qp_state = qp->state; return 0; } @@ -891,37 +837,26 @@ int bnxt_qplib_query_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) { struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct cmdq_query_qp req; - struct creq_query_qp_resp *resp; + struct creq_query_qp_resp resp; + struct bnxt_qplib_rcfw_sbuf *sbuf; struct creq_query_qp_resp_sb *sb; u16 cmd_flags = 0; u32 temp32[4]; - int i; + int i, rc = 0; RCFW_CMD_PREP(req, QUERY_QP, cmd_flags); + sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb)); + if (!sbuf) + return -ENOMEM; + sb = sbuf->sb; + req.qp_cid = cpu_to_le32(qp->id); req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS; - resp = (struct creq_query_qp_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - (void **)&sb, 0); - if (!resp) { - dev_err(&rcfw->pdev->dev, "QPLIB: FP: QUERY_QP send failed"); - return -EINVAL; - } - if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&rcfw->pdev->dev, "QPLIB: FP: QUERY_QP timed out"); - return -ETIMEDOUT; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&rcfw->pdev->dev, "QPLIB: FP: QUERY_QP failed "); - dev_err(&rcfw->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - return -EINVAL; - } + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, + (void *)sbuf, 0); + if (rc) + goto bail; /* Extract the context from the side buffer */ qp->state = sb->en_sqd_async_notify_state & CREQ_QUERY_QP_RESP_SB_STATE_MASK; @@ -976,7 +911,9 @@ int bnxt_qplib_query_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp) qp->dest_qpn = le32_to_cpu(sb->dest_qp_id); memcpy(qp->smac, sb->src_mac, 6); qp->vlan_id = le16_to_cpu(sb->vlan_pcp_vlan_dei_vlan_id); - return 0; +bail: + bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); + return rc; } static void __clean_cq(struct bnxt_qplib_cq *cq, u64 qp) @@ -1021,34 +958,18 @@ int bnxt_qplib_destroy_qp(struct bnxt_qplib_res *res, { struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct cmdq_destroy_qp req; - struct creq_destroy_qp_resp *resp; + struct creq_destroy_qp_resp resp; unsigned long flags; u16 cmd_flags = 0; + int rc; RCFW_CMD_PREP(req, DESTROY_QP, cmd_flags); req.qp_cid = cpu_to_le32(qp->id); - resp = (struct creq_destroy_qp_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, 0); - if (!resp) { - dev_err(&rcfw->pdev->dev, "QPLIB: FP: DESTROY_QP send failed"); - return -EINVAL; - } - if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&rcfw->pdev->dev, "QPLIB: FP: DESTROY_QP timed out"); - return -ETIMEDOUT; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&rcfw->pdev->dev, "QPLIB: FP: DESTROY_QP failed "); - dev_err(&rcfw->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - return -EINVAL; - } + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, + (void *)&resp, NULL, 0); + if (rc) + return rc; /* Must walk the associated CQs to nullified the QP ptr */ spin_lock_irqsave(&qp->scq->hwq.lock, flags); @@ -1162,8 +1083,12 @@ int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp, rc = -EINVAL; goto done; } - if (HWQ_CMP((sq->hwq.prod + 1), &sq->hwq) == - HWQ_CMP(sq->hwq.cons, &sq->hwq)) { + + if (bnxt_qplib_queue_full(sq)) { + dev_err(&sq->hwq.pdev->dev, + "QPLIB: prod = %#x cons = %#x qdepth = %#x delta = %#x", + sq->hwq.prod, sq->hwq.cons, sq->hwq.max_elements, + sq->q_full_delta); rc = -ENOMEM; goto done; } @@ -1373,6 +1298,9 @@ int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp, } sq->hwq.prod++; + + qp->wqe_cnt++; + done: return rc; } @@ -1411,8 +1339,7 @@ int bnxt_qplib_post_recv(struct bnxt_qplib_qp *qp, rc = -EINVAL; goto done; } - if (HWQ_CMP((rq->hwq.prod + 1), &rq->hwq) == - HWQ_CMP(rq->hwq.cons, &rq->hwq)) { + if (bnxt_qplib_queue_full(rq)) { dev_err(&rq->hwq.pdev->dev, "QPLIB: FP: QP (0x%x) RQ is full!", qp->id); rc = -EINVAL; @@ -1483,7 +1410,7 @@ int bnxt_qplib_create_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq) { struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct cmdq_create_cq req; - struct creq_create_cq_resp *resp; + struct creq_create_cq_resp resp; struct bnxt_qplib_pbl *pbl; u16 cmd_flags = 0; int rc; @@ -1525,30 +1452,12 @@ int bnxt_qplib_create_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq) (cq->cnq_hw_ring_id & CMDQ_CREATE_CQ_CNQ_ID_MASK) << CMDQ_CREATE_CQ_CNQ_ID_SFT); - resp = (struct creq_create_cq_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, 0); - if (!resp) { - dev_err(&rcfw->pdev->dev, "QPLIB: FP: CREATE_CQ send failed"); - return -EINVAL; - } - if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&rcfw->pdev->dev, "QPLIB: FP: CREATE_CQ timed out"); - rc = -ETIMEDOUT; - goto fail; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&rcfw->pdev->dev, "QPLIB: FP: CREATE_CQ failed "); - dev_err(&rcfw->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - rc = -EINVAL; + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, + (void *)&resp, NULL, 0); + if (rc) goto fail; - } - cq->id = le32_to_cpu(resp->xid); + + cq->id = le32_to_cpu(resp.xid); cq->dbr_base = res->dpi_tbl.dbr_bar_reg_iomem; cq->period = BNXT_QPLIB_QUEUE_START_PERIOD; init_waitqueue_head(&cq->waitq); @@ -1566,33 +1475,17 @@ int bnxt_qplib_destroy_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq) { struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct cmdq_destroy_cq req; - struct creq_destroy_cq_resp *resp; + struct creq_destroy_cq_resp resp; u16 cmd_flags = 0; + int rc; RCFW_CMD_PREP(req, DESTROY_CQ, cmd_flags); req.cq_cid = cpu_to_le32(cq->id); - resp = (struct creq_destroy_cq_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, 0); - if (!resp) { - dev_err(&rcfw->pdev->dev, "QPLIB: FP: DESTROY_CQ send failed"); - return -EINVAL; - } - if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&rcfw->pdev->dev, "QPLIB: FP: DESTROY_CQ timed out"); - return -ETIMEDOUT; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&rcfw->pdev->dev, "QPLIB: FP: DESTROY_CQ failed "); - dev_err(&rcfw->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - return -EINVAL; - } + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, + (void *)&resp, NULL, 0); + if (rc) + return rc; bnxt_qplib_free_hwq(res->pdev, &cq->hwq); return 0; } @@ -1664,14 +1557,113 @@ static int __flush_rq(struct bnxt_qplib_q *rq, struct bnxt_qplib_qp *qp, return rc; } +/* Note: SQE is valid from sw_sq_cons up to cqe_sq_cons (exclusive) + * CQE is track from sw_cq_cons to max_element but valid only if VALID=1 + */ +static int do_wa9060(struct bnxt_qplib_qp *qp, struct bnxt_qplib_cq *cq, + u32 cq_cons, u32 sw_sq_cons, u32 cqe_sq_cons) +{ + struct bnxt_qplib_q *sq = &qp->sq; + struct bnxt_qplib_swq *swq; + u32 peek_sw_cq_cons, peek_raw_cq_cons, peek_sq_cons_idx; + struct cq_base *peek_hwcqe, **peek_hw_cqe_ptr; + struct cq_req *peek_req_hwcqe; + struct bnxt_qplib_qp *peek_qp; + struct bnxt_qplib_q *peek_sq; + int i, rc = 0; + + /* Normal mode */ + /* Check for the psn_search marking before completing */ + swq = &sq->swq[sw_sq_cons]; + if (swq->psn_search && + le32_to_cpu(swq->psn_search->flags_next_psn) & 0x80000000) { + /* Unmark */ + swq->psn_search->flags_next_psn = cpu_to_le32 + (le32_to_cpu(swq->psn_search->flags_next_psn) + & ~0x80000000); + dev_dbg(&cq->hwq.pdev->dev, + "FP: Process Req cq_cons=0x%x qp=0x%x sq cons sw=0x%x cqe=0x%x marked!\n", + cq_cons, qp->id, sw_sq_cons, cqe_sq_cons); + sq->condition = true; + sq->send_phantom = true; + + /* TODO: Only ARM if the previous SQE is ARMALL */ + bnxt_qplib_arm_cq(cq, DBR_DBR_TYPE_CQ_ARMALL); + + rc = -EAGAIN; + goto out; + } + if (sq->condition) { + /* Peek at the completions */ + peek_raw_cq_cons = cq->hwq.cons; + peek_sw_cq_cons = cq_cons; + i = cq->hwq.max_elements; + while (i--) { + peek_sw_cq_cons = HWQ_CMP((peek_sw_cq_cons), &cq->hwq); + peek_hw_cqe_ptr = (struct cq_base **)cq->hwq.pbl_ptr; + peek_hwcqe = &peek_hw_cqe_ptr[CQE_PG(peek_sw_cq_cons)] + [CQE_IDX(peek_sw_cq_cons)]; + /* If the next hwcqe is VALID */ + if (CQE_CMP_VALID(peek_hwcqe, peek_raw_cq_cons, + cq->hwq.max_elements)) { + /* If the next hwcqe is a REQ */ + if ((peek_hwcqe->cqe_type_toggle & + CQ_BASE_CQE_TYPE_MASK) == + CQ_BASE_CQE_TYPE_REQ) { + peek_req_hwcqe = (struct cq_req *) + peek_hwcqe; + peek_qp = (struct bnxt_qplib_qp *) + ((unsigned long) + le64_to_cpu + (peek_req_hwcqe->qp_handle)); + peek_sq = &peek_qp->sq; + peek_sq_cons_idx = HWQ_CMP(le16_to_cpu( + peek_req_hwcqe->sq_cons_idx) - 1 + , &sq->hwq); + /* If the hwcqe's sq's wr_id matches */ + if (peek_sq == sq && + sq->swq[peek_sq_cons_idx].wr_id == + BNXT_QPLIB_FENCE_WRID) { + /* + * Unbreak only if the phantom + * comes back + */ + dev_dbg(&cq->hwq.pdev->dev, + "FP:Got Phantom CQE"); + sq->condition = false; + sq->single = true; + rc = 0; + goto out; + } + } + /* Valid but not the phantom, so keep looping */ + } else { + /* Not valid yet, just exit and wait */ + rc = -EINVAL; + goto out; + } + peek_sw_cq_cons++; + peek_raw_cq_cons++; + } + dev_err(&cq->hwq.pdev->dev, + "Should not have come here! cq_cons=0x%x qp=0x%x sq cons sw=0x%x hw=0x%x", + cq_cons, qp->id, sw_sq_cons, cqe_sq_cons); + rc = -EINVAL; + } +out: + return rc; +} + static int bnxt_qplib_cq_process_req(struct bnxt_qplib_cq *cq, struct cq_req *hwcqe, - struct bnxt_qplib_cqe **pcqe, int *budget) + struct bnxt_qplib_cqe **pcqe, int *budget, + u32 cq_cons, struct bnxt_qplib_qp **lib_qp) { struct bnxt_qplib_qp *qp; struct bnxt_qplib_q *sq; struct bnxt_qplib_cqe *cqe; - u32 sw_cons, cqe_cons; + u32 sw_sq_cons, cqe_sq_cons; + struct bnxt_qplib_swq *swq; int rc = 0; qp = (struct bnxt_qplib_qp *)((unsigned long) @@ -1683,13 +1675,13 @@ static int bnxt_qplib_cq_process_req(struct bnxt_qplib_cq *cq, } sq = &qp->sq; - cqe_cons = HWQ_CMP(le16_to_cpu(hwcqe->sq_cons_idx), &sq->hwq); - if (cqe_cons > sq->hwq.max_elements) { + cqe_sq_cons = HWQ_CMP(le16_to_cpu(hwcqe->sq_cons_idx), &sq->hwq); + if (cqe_sq_cons > sq->hwq.max_elements) { dev_err(&cq->hwq.pdev->dev, "QPLIB: FP: CQ Process req reported "); dev_err(&cq->hwq.pdev->dev, "QPLIB: sq_cons_idx 0x%x which exceeded max 0x%x", - cqe_cons, sq->hwq.max_elements); + cqe_sq_cons, sq->hwq.max_elements); return -EINVAL; } /* If we were in the middle of flushing the SQ, continue */ @@ -1698,53 +1690,74 @@ static int bnxt_qplib_cq_process_req(struct bnxt_qplib_cq *cq, /* Require to walk the sq's swq to fabricate CQEs for all previously * signaled SWQEs due to CQE aggregation from the current sq cons - * to the cqe_cons + * to the cqe_sq_cons */ cqe = *pcqe; while (*budget) { - sw_cons = HWQ_CMP(sq->hwq.cons, &sq->hwq); - if (sw_cons == cqe_cons) + sw_sq_cons = HWQ_CMP(sq->hwq.cons, &sq->hwq); + if (sw_sq_cons == cqe_sq_cons) + /* Done */ break; + + swq = &sq->swq[sw_sq_cons]; memset(cqe, 0, sizeof(*cqe)); cqe->opcode = CQ_BASE_CQE_TYPE_REQ; cqe->qp_handle = (u64)(unsigned long)qp; cqe->src_qp = qp->id; - cqe->wr_id = sq->swq[sw_cons].wr_id; - cqe->type = sq->swq[sw_cons].type; + cqe->wr_id = swq->wr_id; + if (cqe->wr_id == BNXT_QPLIB_FENCE_WRID) + goto skip; + cqe->type = swq->type; /* For the last CQE, check for status. For errors, regardless * of the request being signaled or not, it must complete with * the hwcqe error status */ - if (HWQ_CMP((sw_cons + 1), &sq->hwq) == cqe_cons && + if (HWQ_CMP((sw_sq_cons + 1), &sq->hwq) == cqe_sq_cons && hwcqe->status != CQ_REQ_STATUS_OK) { cqe->status = hwcqe->status; dev_err(&cq->hwq.pdev->dev, "QPLIB: FP: CQ Processed Req "); dev_err(&cq->hwq.pdev->dev, "QPLIB: wr_id[%d] = 0x%llx with status 0x%x", - sw_cons, cqe->wr_id, cqe->status); + sw_sq_cons, cqe->wr_id, cqe->status); cqe++; (*budget)--; sq->flush_in_progress = true; /* Must block new posting of SQ and RQ */ qp->state = CMDQ_MODIFY_QP_NEW_STATE_ERR; + sq->condition = false; + sq->single = false; } else { - if (sq->swq[sw_cons].flags & - SQ_SEND_FLAGS_SIGNAL_COMP) { + if (swq->flags & SQ_SEND_FLAGS_SIGNAL_COMP) { + /* Before we complete, do WA 9060 */ + if (do_wa9060(qp, cq, cq_cons, sw_sq_cons, + cqe_sq_cons)) { + *lib_qp = qp; + goto out; + } cqe->status = CQ_REQ_STATUS_OK; cqe++; (*budget)--; } } +skip: sq->hwq.cons++; + if (sq->single) + break; } +out: *pcqe = cqe; - if (!*budget && HWQ_CMP(sq->hwq.cons, &sq->hwq) != cqe_cons) { + if (HWQ_CMP(sq->hwq.cons, &sq->hwq) != cqe_sq_cons) { /* Out of budget */ rc = -EAGAIN; goto done; } + /* + * Back to normal completion mode only after it has completed all of + * the WC for this CQE + */ + sq->single = false; if (!sq->flush_in_progress) goto done; flush: @@ -2074,7 +2087,7 @@ static int bnxt_qplib_cq_process_cutoff(struct bnxt_qplib_cq *cq, } int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe, - int num_cqes) + int num_cqes, struct bnxt_qplib_qp **lib_qp) { struct cq_base *hw_cqe, **hw_cqe_ptr; unsigned long flags; @@ -2099,7 +2112,8 @@ int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe, case CQ_BASE_CQE_TYPE_REQ: rc = bnxt_qplib_cq_process_req(cq, (struct cq_req *)hw_cqe, - &cqe, &budget); + &cqe, &budget, + sw_cons, lib_qp); break; case CQ_BASE_CQE_TYPE_RES_RC: rc = bnxt_qplib_cq_process_res_rc(cq, diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h index f0150f8..36b7b7d 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h @@ -88,6 +88,7 @@ struct bnxt_qplib_swq { struct bnxt_qplib_swqe { /* General */ +#define BNXT_QPLIB_FENCE_WRID 0x46454E43 /* "FENC" */ u64 wr_id; u8 reqs_type; u8 type; @@ -216,9 +217,16 @@ struct bnxt_qplib_q { struct scatterlist *sglist; u32 nmap; u32 max_wqe; + u16 q_full_delta; u16 max_sge; u32 psn; bool flush_in_progress; + bool condition; + bool single; + bool send_phantom; + u32 phantom_wqe_cnt; + u32 phantom_cqe_cnt; + u32 next_cq_cons; }; struct bnxt_qplib_qp { @@ -242,6 +250,7 @@ struct bnxt_qplib_qp { u8 timeout; u8 retry_cnt; u8 rnr_retry; + u64 wqe_cnt; u32 min_rnr_timer; u32 max_rd_atomic; u32 max_dest_rd_atomic; @@ -301,6 +310,13 @@ struct bnxt_qplib_qp { (!!((hdr)->cqe_type_toggle & CQ_BASE_TOGGLE) == \ !((raw_cons) & (cp_bit))) +static inline bool bnxt_qplib_queue_full(struct bnxt_qplib_q *qplib_q) +{ + return HWQ_CMP((qplib_q->hwq.prod + qplib_q->q_full_delta), + &qplib_q->hwq) == HWQ_CMP(qplib_q->hwq.cons, + &qplib_q->hwq); +} + struct bnxt_qplib_cqe { u8 status; u8 type; @@ -432,7 +448,7 @@ int bnxt_qplib_post_recv(struct bnxt_qplib_qp *qp, int bnxt_qplib_create_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq); int bnxt_qplib_destroy_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq); int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe, - int num); + int num, struct bnxt_qplib_qp **qp); void bnxt_qplib_req_notify_cq(struct bnxt_qplib_cq *cq, u32 arm_type); void bnxt_qplib_free_nq(struct bnxt_qplib_nq *nq); int bnxt_qplib_alloc_nq(struct pci_dev *pdev, struct bnxt_qplib_nq *nq); diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c index 23fb726..16e4275 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c @@ -39,72 +39,55 @@ #include <linux/spinlock.h> #include <linux/pci.h> #include <linux/prefetch.h> +#include <linux/delay.h> + #include "roce_hsi.h" #include "qplib_res.h" #include "qplib_rcfw.h" static void bnxt_qplib_service_creq(unsigned long data); /* Hardware communication channel */ -int bnxt_qplib_rcfw_wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie) +static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie) { u16 cbit; int rc; - cookie &= RCFW_MAX_COOKIE_VALUE; cbit = cookie % RCFW_MAX_OUTSTANDING_CMD; - if (!test_bit(cbit, rcfw->cmdq_bitmap)) - dev_warn(&rcfw->pdev->dev, - "QPLIB: CMD bit %d for cookie 0x%x is not set?", - cbit, cookie); - rc = wait_event_timeout(rcfw->waitq, !test_bit(cbit, rcfw->cmdq_bitmap), msecs_to_jiffies(RCFW_CMD_WAIT_TIME_MS)); - if (!rc) { - dev_warn(&rcfw->pdev->dev, - "QPLIB: Bono Error: timeout %d msec, msg {0x%x}\n", - RCFW_CMD_WAIT_TIME_MS, cookie); - } - - return rc; + return rc ? 0 : -ETIMEDOUT; }; -int bnxt_qplib_rcfw_block_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie) +static int __block_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie) { - u32 count = -1; + u32 count = RCFW_BLOCKED_CMD_WAIT_COUNT; u16 cbit; - cookie &= RCFW_MAX_COOKIE_VALUE; cbit = cookie % RCFW_MAX_OUTSTANDING_CMD; if (!test_bit(cbit, rcfw->cmdq_bitmap)) goto done; do { + mdelay(1); /* 1m sec */ bnxt_qplib_service_creq((unsigned long)rcfw); } while (test_bit(cbit, rcfw->cmdq_bitmap) && --count); done: - return count; + return count ? 0 : -ETIMEDOUT; }; -void *bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw, - struct cmdq_base *req, void **crsbe, - u8 is_block) +static int __send_message(struct bnxt_qplib_rcfw *rcfw, struct cmdq_base *req, + struct creq_base *resp, void *sb, u8 is_block) { - struct bnxt_qplib_crsq *crsq = &rcfw->crsq; struct bnxt_qplib_cmdqe *cmdqe, **cmdq_ptr; struct bnxt_qplib_hwq *cmdq = &rcfw->cmdq; - struct bnxt_qplib_hwq *crsb = &rcfw->crsb; - struct bnxt_qplib_crsqe *crsqe = NULL; - struct bnxt_qplib_crsbe **crsb_ptr; + struct bnxt_qplib_crsq *crsqe; u32 sw_prod, cmdq_prod; - u8 retry_cnt = 0xFF; - dma_addr_t dma_addr; unsigned long flags; u32 size, opcode; u16 cookie, cbit; int pg, idx; u8 *preq; -retry: opcode = req->opcode; if (!test_bit(FIRMWARE_INITIALIZED_FLAG, &rcfw->flags) && (opcode != CMDQ_BASE_OPCODE_QUERY_FUNC && @@ -112,63 +95,50 @@ retry: dev_err(&rcfw->pdev->dev, "QPLIB: RCFW not initialized, reject opcode 0x%x", opcode); - return NULL; + return -EINVAL; } if (test_bit(FIRMWARE_INITIALIZED_FLAG, &rcfw->flags) && opcode == CMDQ_BASE_OPCODE_INITIALIZE_FW) { dev_err(&rcfw->pdev->dev, "QPLIB: RCFW already initialized!"); - return NULL; + return -EINVAL; } /* Cmdq are in 16-byte units, each request can consume 1 or more * cmdqe */ spin_lock_irqsave(&cmdq->lock, flags); - if (req->cmd_size > cmdq->max_elements - - ((HWQ_CMP(cmdq->prod, cmdq) - HWQ_CMP(cmdq->cons, cmdq)) & - (cmdq->max_elements - 1))) { + if (req->cmd_size >= HWQ_FREE_SLOTS(cmdq)) { dev_err(&rcfw->pdev->dev, "QPLIB: RCFW: CMDQ is full!"); spin_unlock_irqrestore(&cmdq->lock, flags); - - if (!retry_cnt--) - return NULL; - goto retry; + return -EAGAIN; } - retry_cnt = 0xFF; - cookie = atomic_inc_return(&rcfw->seq_num) & RCFW_MAX_COOKIE_VALUE; + cookie = rcfw->seq_num & RCFW_MAX_COOKIE_VALUE; cbit = cookie % RCFW_MAX_OUTSTANDING_CMD; if (is_block) cookie |= RCFW_CMD_IS_BLOCKING; + + set_bit(cbit, rcfw->cmdq_bitmap); req->cookie = cpu_to_le16(cookie); - if (test_and_set_bit(cbit, rcfw->cmdq_bitmap)) { - dev_err(&rcfw->pdev->dev, - "QPLIB: RCFW MAX outstanding cmd reached!"); - atomic_dec(&rcfw->seq_num); + crsqe = &rcfw->crsqe_tbl[cbit]; + if (crsqe->resp) { spin_unlock_irqrestore(&cmdq->lock, flags); - - if (!retry_cnt--) - return NULL; - goto retry; + return -EBUSY; } - /* Reserve a resp buffer slot if requested */ - if (req->resp_size && crsbe) { - spin_lock(&crsb->lock); - sw_prod = HWQ_CMP(crsb->prod, crsb); - crsb_ptr = (struct bnxt_qplib_crsbe **)crsb->pbl_ptr; - *crsbe = (void *)&crsb_ptr[get_crsb_pg(sw_prod)] - [get_crsb_idx(sw_prod)]; - bnxt_qplib_crsb_dma_next(crsb->pbl_dma_ptr, sw_prod, &dma_addr); - req->resp_addr = cpu_to_le64(dma_addr); - crsb->prod++; - spin_unlock(&crsb->lock); - - req->resp_size = (sizeof(struct bnxt_qplib_crsbe) + - BNXT_QPLIB_CMDQE_UNITS - 1) / - BNXT_QPLIB_CMDQE_UNITS; + memset(resp, 0, sizeof(*resp)); + crsqe->resp = (struct creq_qp_event *)resp; + crsqe->resp->cookie = req->cookie; + crsqe->req_size = req->cmd_size; + if (req->resp_size && sb) { + struct bnxt_qplib_rcfw_sbuf *sbuf = sb; + + req->resp_addr = cpu_to_le64(sbuf->dma_addr); + req->resp_size = (sbuf->size + BNXT_QPLIB_CMDQE_UNITS - 1) / + BNXT_QPLIB_CMDQE_UNITS; } + cmdq_ptr = (struct bnxt_qplib_cmdqe **)cmdq->pbl_ptr; preq = (u8 *)req; size = req->cmd_size * BNXT_QPLIB_CMDQE_UNITS; @@ -190,23 +160,24 @@ retry: preq += min_t(u32, size, sizeof(*cmdqe)); size -= min_t(u32, size, sizeof(*cmdqe)); cmdq->prod++; + rcfw->seq_num++; } while (size > 0); + rcfw->seq_num++; + cmdq_prod = cmdq->prod; if (rcfw->flags & FIRMWARE_FIRST_FLAG) { - /* The very first doorbell write is required to set this flag - * which prompts the FW to reset its internal pointers + /* The very first doorbell write + * is required to set this flag + * which prompts the FW to reset + * its internal pointers */ cmdq_prod |= FIRMWARE_FIRST_FLAG; rcfw->flags &= ~FIRMWARE_FIRST_FLAG; } - sw_prod = HWQ_CMP(crsq->prod, crsq); - crsqe = &crsq->crsq[sw_prod]; - memset(crsqe, 0, sizeof(*crsqe)); - crsq->prod++; - crsqe->req_size = req->cmd_size; /* ring CMDQ DB */ + wmb(); writel(cmdq_prod, rcfw->cmdq_bar_reg_iomem + rcfw->cmdq_bar_reg_prod_off); writel(RCFW_CMDQ_TRIG_VAL, rcfw->cmdq_bar_reg_iomem + @@ -214,9 +185,56 @@ retry: done: spin_unlock_irqrestore(&cmdq->lock, flags); /* Return the CREQ response pointer */ - return crsqe ? &crsqe->qp_event : NULL; + return 0; } +int bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw, + struct cmdq_base *req, + struct creq_base *resp, + void *sb, u8 is_block) +{ + struct creq_qp_event *evnt = (struct creq_qp_event *)resp; + u16 cookie; + u8 opcode, retry_cnt = 0xFF; + int rc = 0; + + do { + opcode = req->opcode; + rc = __send_message(rcfw, req, resp, sb, is_block); + cookie = le16_to_cpu(req->cookie) & RCFW_MAX_COOKIE_VALUE; + if (!rc) + break; + + if (!retry_cnt || (rc != -EAGAIN && rc != -EBUSY)) { + /* send failed */ + dev_err(&rcfw->pdev->dev, "QPLIB: cmdq[%#x]=%#x send failed", + cookie, opcode); + return rc; + } + is_block ? mdelay(1) : usleep_range(500, 1000); + + } while (retry_cnt--); + + if (is_block) + rc = __block_for_resp(rcfw, cookie); + else + rc = __wait_for_resp(rcfw, cookie); + if (rc) { + /* timed out */ + dev_err(&rcfw->pdev->dev, "QPLIB: cmdq[%#x]=%#x timedout (%d)msec", + cookie, opcode, RCFW_CMD_WAIT_TIME_MS); + return rc; + } + + if (evnt->status) { + /* failed with status */ + dev_err(&rcfw->pdev->dev, "QPLIB: cmdq[%#x]=%#x status %#x", + cookie, opcode, evnt->status); + rc = -EFAULT; + } + + return rc; +} /* Completions */ static int bnxt_qplib_process_func_event(struct bnxt_qplib_rcfw *rcfw, struct creq_func_event *func_event) @@ -260,12 +278,12 @@ static int bnxt_qplib_process_func_event(struct bnxt_qplib_rcfw *rcfw, static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw, struct creq_qp_event *qp_event) { - struct bnxt_qplib_crsq *crsq = &rcfw->crsq; struct bnxt_qplib_hwq *cmdq = &rcfw->cmdq; - struct bnxt_qplib_crsqe *crsqe; - u16 cbit, cookie, blocked = 0; + struct bnxt_qplib_crsq *crsqe; unsigned long flags; - u32 sw_cons; + u16 cbit, blocked = 0; + u16 cookie; + __le16 mcookie; switch (qp_event->event) { case CREQ_QP_EVENT_EVENT_QP_ERROR_NOTIFICATION: @@ -275,24 +293,31 @@ static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw, default: /* Command Response */ spin_lock_irqsave(&cmdq->lock, flags); - sw_cons = HWQ_CMP(crsq->cons, crsq); - crsqe = &crsq->crsq[sw_cons]; - crsq->cons++; - memcpy(&crsqe->qp_event, qp_event, sizeof(crsqe->qp_event)); - - cookie = le16_to_cpu(crsqe->qp_event.cookie); + cookie = le16_to_cpu(qp_event->cookie); + mcookie = qp_event->cookie; blocked = cookie & RCFW_CMD_IS_BLOCKING; cookie &= RCFW_MAX_COOKIE_VALUE; cbit = cookie % RCFW_MAX_OUTSTANDING_CMD; + crsqe = &rcfw->crsqe_tbl[cbit]; + if (crsqe->resp && + crsqe->resp->cookie == mcookie) { + memcpy(crsqe->resp, qp_event, sizeof(*qp_event)); + crsqe->resp = NULL; + } else { + dev_err(&rcfw->pdev->dev, + "QPLIB: CMD %s resp->cookie = %#x, evnt->cookie = %#x", + crsqe->resp ? "mismatch" : "collision", + crsqe->resp ? crsqe->resp->cookie : 0, mcookie); + } if (!test_and_clear_bit(cbit, rcfw->cmdq_bitmap)) dev_warn(&rcfw->pdev->dev, "QPLIB: CMD bit %d was not requested", cbit); - cmdq->cons += crsqe->req_size; - spin_unlock_irqrestore(&cmdq->lock, flags); + crsqe->req_size = 0; + if (!blocked) wake_up(&rcfw->waitq); - break; + spin_unlock_irqrestore(&cmdq->lock, flags); } return 0; } @@ -305,12 +330,12 @@ static void bnxt_qplib_service_creq(unsigned long data) struct creq_base *creqe, **creq_ptr; u32 sw_cons, raw_cons; unsigned long flags; - u32 type; + u32 type, budget = CREQ_ENTRY_POLL_BUDGET; - /* Service the CREQ until empty */ + /* Service the CREQ until budget is over */ spin_lock_irqsave(&creq->lock, flags); raw_cons = creq->cons; - while (1) { + while (budget > 0) { sw_cons = HWQ_CMP(raw_cons, creq); creq_ptr = (struct creq_base **)creq->pbl_ptr; creqe = &creq_ptr[get_creq_pg(sw_cons)][get_creq_idx(sw_cons)]; @@ -320,15 +345,9 @@ static void bnxt_qplib_service_creq(unsigned long data) type = creqe->type & CREQ_BASE_TYPE_MASK; switch (type) { case CREQ_BASE_TYPE_QP_EVENT: - if (!bnxt_qplib_process_qp_event - (rcfw, (struct creq_qp_event *)creqe)) - rcfw->creq_qp_event_processed++; - else { - dev_warn(&rcfw->pdev->dev, "QPLIB: crsqe with"); - dev_warn(&rcfw->pdev->dev, - "QPLIB: type = 0x%x not handled", - type); - } + bnxt_qplib_process_qp_event + (rcfw, (struct creq_qp_event *)creqe); + rcfw->creq_qp_event_processed++; break; case CREQ_BASE_TYPE_FUNC_EVENT: if (!bnxt_qplib_process_func_event @@ -346,7 +365,9 @@ static void bnxt_qplib_service_creq(unsigned long data) break; } raw_cons++; + budget--; } + if (creq->cons != raw_cons) { creq->cons = raw_cons; CREQ_DB_REARM(rcfw->creq_bar_reg_iomem, raw_cons, @@ -375,23 +396,16 @@ static irqreturn_t bnxt_qplib_creq_irq(int irq, void *dev_instance) /* RCFW */ int bnxt_qplib_deinit_rcfw(struct bnxt_qplib_rcfw *rcfw) { - struct creq_deinitialize_fw_resp *resp; struct cmdq_deinitialize_fw req; + struct creq_deinitialize_fw_resp resp; u16 cmd_flags = 0; + int rc; RCFW_CMD_PREP(req, DEINITIALIZE_FW, cmd_flags); - resp = (struct creq_deinitialize_fw_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, 0); - if (!resp) - return -EINVAL; - - if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) - return -ETIMEDOUT; - - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) - return -EFAULT; + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, + NULL, 0); + if (rc) + return rc; clear_bit(FIRMWARE_INITIALIZED_FLAG, &rcfw->flags); return 0; @@ -417,9 +431,10 @@ static int __get_pbl_pg_idx(struct bnxt_qplib_pbl *pbl) int bnxt_qplib_init_rcfw(struct bnxt_qplib_rcfw *rcfw, struct bnxt_qplib_ctx *ctx, int is_virtfn) { - struct creq_initialize_fw_resp *resp; struct cmdq_initialize_fw req; + struct creq_initialize_fw_resp resp; u16 cmd_flags = 0, level; + int rc; RCFW_CMD_PREP(req, INITIALIZE_FW, cmd_flags); @@ -482,37 +497,19 @@ int bnxt_qplib_init_rcfw(struct bnxt_qplib_rcfw *rcfw, skip_ctx_setup: req.stat_ctx_id = cpu_to_le32(ctx->stats.fw_id); - resp = (struct creq_initialize_fw_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, 0); - if (!resp) { - dev_err(&rcfw->pdev->dev, - "QPLIB: RCFW: INITIALIZE_FW send failed"); - return -EINVAL; - } - if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&rcfw->pdev->dev, - "QPLIB: RCFW: INITIALIZE_FW timed out"); - return -ETIMEDOUT; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&rcfw->pdev->dev, - "QPLIB: RCFW: INITIALIZE_FW failed"); - return -EINVAL; - } + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, + NULL, 0); + if (rc) + return rc; set_bit(FIRMWARE_INITIALIZED_FLAG, &rcfw->flags); return 0; } void bnxt_qplib_free_rcfw_channel(struct bnxt_qplib_rcfw *rcfw) { - bnxt_qplib_free_hwq(rcfw->pdev, &rcfw->crsb); - kfree(rcfw->crsq.crsq); + kfree(rcfw->crsqe_tbl); bnxt_qplib_free_hwq(rcfw->pdev, &rcfw->cmdq); bnxt_qplib_free_hwq(rcfw->pdev, &rcfw->creq); - rcfw->pdev = NULL; } @@ -539,21 +536,11 @@ int bnxt_qplib_alloc_rcfw_channel(struct pci_dev *pdev, goto fail; } - rcfw->crsq.max_elements = rcfw->cmdq.max_elements; - rcfw->crsq.crsq = kcalloc(rcfw->crsq.max_elements, - sizeof(*rcfw->crsq.crsq), GFP_KERNEL); - if (!rcfw->crsq.crsq) + rcfw->crsqe_tbl = kcalloc(rcfw->cmdq.max_elements, + sizeof(*rcfw->crsqe_tbl), GFP_KERNEL); + if (!rcfw->crsqe_tbl) goto fail; - rcfw->crsb.max_elements = BNXT_QPLIB_CRSBE_MAX_CNT; - if (bnxt_qplib_alloc_init_hwq(rcfw->pdev, &rcfw->crsb, NULL, 0, - &rcfw->crsb.max_elements, - BNXT_QPLIB_CRSBE_UNITS, 0, PAGE_SIZE, - HWQ_TYPE_CTX)) { - dev_err(&rcfw->pdev->dev, - "QPLIB: HW channel CRSB allocation failed"); - goto fail; - } return 0; fail: @@ -606,7 +593,7 @@ int bnxt_qplib_enable_rcfw_channel(struct pci_dev *pdev, int rc; /* General */ - atomic_set(&rcfw->seq_num, 0); + rcfw->seq_num = 0; rcfw->flags = FIRMWARE_FIRST_FLAG; bmap_size = BITS_TO_LONGS(RCFW_MAX_OUTSTANDING_CMD * sizeof(unsigned long)); @@ -636,10 +623,6 @@ int bnxt_qplib_enable_rcfw_channel(struct pci_dev *pdev, rcfw->cmdq_bar_reg_trig_off = RCFW_COMM_TRIG_OFFSET; - /* CRSQ */ - rcfw->crsq.prod = 0; - rcfw->crsq.cons = 0; - /* CREQ */ rcfw->creq_bar_reg = RCFW_COMM_CONS_PCI_BAR_REGION; res_base = pci_resource_start(pdev, rcfw->creq_bar_reg); @@ -692,3 +675,34 @@ int bnxt_qplib_enable_rcfw_channel(struct pci_dev *pdev, __iowrite32_copy(rcfw->cmdq_bar_reg_iomem, &init, sizeof(init) / 4); return 0; } + +struct bnxt_qplib_rcfw_sbuf *bnxt_qplib_rcfw_alloc_sbuf( + struct bnxt_qplib_rcfw *rcfw, + u32 size) +{ + struct bnxt_qplib_rcfw_sbuf *sbuf; + + sbuf = kzalloc(sizeof(*sbuf), GFP_ATOMIC); + if (!sbuf) + return NULL; + + sbuf->size = size; + sbuf->sb = dma_zalloc_coherent(&rcfw->pdev->dev, sbuf->size, + &sbuf->dma_addr, GFP_ATOMIC); + if (!sbuf->sb) + goto bail; + + return sbuf; +bail: + kfree(sbuf); + return NULL; +} + +void bnxt_qplib_rcfw_free_sbuf(struct bnxt_qplib_rcfw *rcfw, + struct bnxt_qplib_rcfw_sbuf *sbuf) +{ + if (sbuf->sb) + dma_free_coherent(&rcfw->pdev->dev, sbuf->size, + sbuf->sb, sbuf->dma_addr); + kfree(sbuf); +} diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h index d3567d7..09ce121 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h @@ -73,6 +73,7 @@ #define RCFW_MAX_OUTSTANDING_CMD BNXT_QPLIB_CMDQE_MAX_CNT #define RCFW_MAX_COOKIE_VALUE 0x7FFF #define RCFW_CMD_IS_BLOCKING 0x8000 +#define RCFW_BLOCKED_CMD_WAIT_COUNT 0x4E20 /* Cmdq contains a fix number of a 16-Byte slots */ struct bnxt_qplib_cmdqe { @@ -94,32 +95,6 @@ struct bnxt_qplib_crsbe { u8 data[1024]; }; -/* CRSQ SB */ -#define BNXT_QPLIB_CRSBE_MAX_CNT 4 -#define BNXT_QPLIB_CRSBE_UNITS sizeof(struct bnxt_qplib_crsbe) -#define BNXT_QPLIB_CRSBE_CNT_PER_PG (PAGE_SIZE / BNXT_QPLIB_CRSBE_UNITS) - -#define MAX_CRSB_IDX (BNXT_QPLIB_CRSBE_MAX_CNT - 1) -#define MAX_CRSB_IDX_PER_PG (BNXT_QPLIB_CRSBE_CNT_PER_PG - 1) - -static inline u32 get_crsb_pg(u32 val) -{ - return (val & ~MAX_CRSB_IDX_PER_PG) / BNXT_QPLIB_CRSBE_CNT_PER_PG; -} - -static inline u32 get_crsb_idx(u32 val) -{ - return val & MAX_CRSB_IDX_PER_PG; -} - -static inline void bnxt_qplib_crsb_dma_next(dma_addr_t *pg_map_arr, - u32 prod, dma_addr_t *dma_addr) -{ - *dma_addr = pg_map_arr[(prod) / BNXT_QPLIB_CRSBE_CNT_PER_PG]; - *dma_addr += ((prod) % BNXT_QPLIB_CRSBE_CNT_PER_PG) * - BNXT_QPLIB_CRSBE_UNITS; -} - /* CREQ */ /* Allocate 1 per QP for async error notification for now */ #define BNXT_QPLIB_CREQE_MAX_CNT (64 * 1024) @@ -158,17 +133,19 @@ static inline u32 get_creq_idx(u32 val) #define CREQ_DB(db, raw_cons, cp_bit) \ writel(CREQ_DB_CP_FLAGS | ((raw_cons) & ((cp_bit) - 1)), db) +#define CREQ_ENTRY_POLL_BUDGET 0x100 + /* HWQ */ -struct bnxt_qplib_crsqe { - struct creq_qp_event qp_event; + +struct bnxt_qplib_crsq { + struct creq_qp_event *resp; u32 req_size; }; -struct bnxt_qplib_crsq { - struct bnxt_qplib_crsqe *crsq; - u32 prod; - u32 cons; - u32 max_elements; +struct bnxt_qplib_rcfw_sbuf { + void *sb; + dma_addr_t dma_addr; + u32 size; }; /* RCFW Communication Channels */ @@ -185,7 +162,7 @@ struct bnxt_qplib_rcfw { wait_queue_head_t waitq; int (*aeq_handler)(struct bnxt_qplib_rcfw *, struct creq_func_event *); - atomic_t seq_num; + u32 seq_num; /* Bar region info */ void __iomem *cmdq_bar_reg_iomem; @@ -203,8 +180,7 @@ struct bnxt_qplib_rcfw { /* Actual Cmd and Resp Queues */ struct bnxt_qplib_hwq cmdq; - struct bnxt_qplib_crsq crsq; - struct bnxt_qplib_hwq crsb; + struct bnxt_qplib_crsq *crsqe_tbl; }; void bnxt_qplib_free_rcfw_channel(struct bnxt_qplib_rcfw *rcfw); @@ -219,11 +195,14 @@ int bnxt_qplib_enable_rcfw_channel(struct pci_dev *pdev, (struct bnxt_qplib_rcfw *, struct creq_func_event *)); -int bnxt_qplib_rcfw_block_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie); -int bnxt_qplib_rcfw_wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie); -void *bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw, - struct cmdq_base *req, void **crsbe, - u8 is_block); +struct bnxt_qplib_rcfw_sbuf *bnxt_qplib_rcfw_alloc_sbuf( + struct bnxt_qplib_rcfw *rcfw, + u32 size); +void bnxt_qplib_rcfw_free_sbuf(struct bnxt_qplib_rcfw *rcfw, + struct bnxt_qplib_rcfw_sbuf *sbuf); +int bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw, + struct cmdq_base *req, struct creq_base *resp, + void *sbuf, u8 is_block); int bnxt_qplib_deinit_rcfw(struct bnxt_qplib_rcfw *rcfw); int bnxt_qplib_init_rcfw(struct bnxt_qplib_rcfw *rcfw, diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h index 6277d80..2e48555 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_res.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h @@ -48,6 +48,10 @@ extern const struct bnxt_qplib_gid bnxt_qplib_gid_zero; #define HWQ_CMP(idx, hwq) ((idx) & ((hwq)->max_elements - 1)) +#define HWQ_FREE_SLOTS(hwq) (hwq->max_elements - \ + ((HWQ_CMP(hwq->prod, hwq)\ + - HWQ_CMP(hwq->cons, hwq))\ + & (hwq->max_elements - 1))) enum bnxt_qplib_hwq_type { HWQ_TYPE_CTX, HWQ_TYPE_QUEUE, diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c index 7b31ecc..fde18cf 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c @@ -55,37 +55,30 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, struct bnxt_qplib_dev_attr *attr) { struct cmdq_query_func req; - struct creq_query_func_resp *resp; + struct creq_query_func_resp resp; + struct bnxt_qplib_rcfw_sbuf *sbuf; struct creq_query_func_resp_sb *sb; u16 cmd_flags = 0; u32 temp; u8 *tqm_alloc; - int i; + int i, rc = 0; RCFW_CMD_PREP(req, QUERY_FUNC, cmd_flags); - req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS; - resp = (struct creq_query_func_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void **)&sb, - 0); - if (!resp) { - dev_err(&rcfw->pdev->dev, "QPLIB: SP: QUERY_FUNC send failed"); - return -EINVAL; - } - if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&rcfw->pdev->dev, "QPLIB: SP: QUERY_FUNC timed out"); - return -ETIMEDOUT; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&rcfw->pdev->dev, "QPLIB: SP: QUERY_FUNC failed "); + sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb)); + if (!sbuf) { dev_err(&rcfw->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - return -EINVAL; + "QPLIB: SP: QUERY_FUNC alloc side buffer failed"); + return -ENOMEM; } + + sb = sbuf->sb; + req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS; + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, + (void *)sbuf, 0); + if (rc) + goto bail; + /* Extract the context from the side buffer */ attr->max_qp = le32_to_cpu(sb->max_qp); attr->max_qp_rd_atom = @@ -95,6 +88,11 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, sb->max_qp_init_rd_atom > BNXT_QPLIB_MAX_OUT_RD_ATOM ? BNXT_QPLIB_MAX_OUT_RD_ATOM : sb->max_qp_init_rd_atom; attr->max_qp_wqes = le16_to_cpu(sb->max_qp_wr); + /* + * 128 WQEs needs to be reserved for the HW (8916). Prevent + * reporting the max number + */ + attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS; attr->max_qp_sges = sb->max_sge; attr->max_cq = le32_to_cpu(sb->max_cq); attr->max_cq_wqes = le32_to_cpu(sb->max_cqe); @@ -130,7 +128,10 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw, attr->tqm_alloc_reqs[i * 4 + 2] = *(++tqm_alloc); attr->tqm_alloc_reqs[i * 4 + 3] = *(++tqm_alloc); } - return 0; + +bail: + bnxt_qplib_rcfw_free_sbuf(rcfw, sbuf); + return rc; } /* SGID */ @@ -178,8 +179,9 @@ int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, /* Remove GID from the SGID table */ if (update) { struct cmdq_delete_gid req; - struct creq_delete_gid_resp *resp; + struct creq_delete_gid_resp resp; u16 cmd_flags = 0; + int rc; RCFW_CMD_PREP(req, DELETE_GID, cmd_flags); if (sgid_tbl->hw_id[index] == 0xFFFF) { @@ -188,31 +190,10 @@ int bnxt_qplib_del_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, return -EINVAL; } req.gid_index = cpu_to_le16(sgid_tbl->hw_id[index]); - resp = (struct creq_delete_gid_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, NULL, - 0); - if (!resp) { - dev_err(&res->pdev->dev, - "QPLIB: SP: DELETE_GID send failed"); - return -EINVAL; - } - if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, - le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&res->pdev->dev, - "QPLIB: SP: DELETE_GID timed out"); - return -ETIMEDOUT; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&res->pdev->dev, - "QPLIB: SP: DELETE_GID failed "); - dev_err(&res->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - return -EINVAL; - } + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, + (void *)&resp, NULL, 0); + if (rc) + return rc; } memcpy(&sgid_tbl->tbl[index], &bnxt_qplib_gid_zero, sizeof(bnxt_qplib_gid_zero)); @@ -234,7 +215,7 @@ int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, struct bnxt_qplib_res, sgid_tbl); struct bnxt_qplib_rcfw *rcfw = res->rcfw; - int i, free_idx, rc = 0; + int i, free_idx; if (!sgid_tbl) { dev_err(&res->pdev->dev, "QPLIB: SGID table not allocated"); @@ -266,10 +247,11 @@ int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, } if (update) { struct cmdq_add_gid req; - struct creq_add_gid_resp *resp; + struct creq_add_gid_resp resp; u16 cmd_flags = 0; u32 temp32[4]; u16 temp16[3]; + int rc; RCFW_CMD_PREP(req, ADD_GID, cmd_flags); @@ -290,31 +272,11 @@ int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, req.src_mac[1] = cpu_to_be16(temp16[1]); req.src_mac[2] = cpu_to_be16(temp16[2]); - resp = (struct creq_add_gid_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, 0); - if (!resp) { - dev_err(&res->pdev->dev, - "QPLIB: SP: ADD_GID send failed"); - return -EINVAL; - } - if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, - le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&res->pdev->dev, - "QPIB: SP: ADD_GID timed out"); - return -ETIMEDOUT; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&res->pdev->dev, "QPLIB: SP: ADD_GID failed "); - dev_err(&res->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - return -EINVAL; - } - sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp->xid); + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, + (void *)&resp, NULL, 0); + if (rc) + return rc; + sgid_tbl->hw_id[free_idx] = le32_to_cpu(resp.xid); } /* Add GID to the sgid_tbl */ memcpy(&sgid_tbl->tbl[free_idx], gid, sizeof(*gid)); @@ -325,7 +287,7 @@ int bnxt_qplib_add_sgid(struct bnxt_qplib_sgid_tbl *sgid_tbl, *index = free_idx; /* unlock */ - return rc; + return 0; } /* pkeys */ @@ -422,10 +384,11 @@ int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah) { struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct cmdq_create_ah req; - struct creq_create_ah_resp *resp; + struct creq_create_ah_resp resp; u16 cmd_flags = 0; u32 temp32[4]; u16 temp16[3]; + int rc; RCFW_CMD_PREP(req, CREATE_AH, cmd_flags); @@ -450,28 +413,12 @@ int bnxt_qplib_create_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah) req.dest_mac[1] = cpu_to_le16(temp16[1]); req.dest_mac[2] = cpu_to_le16(temp16[2]); - resp = (struct creq_create_ah_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, 1); - if (!resp) { - dev_err(&rcfw->pdev->dev, "QPLIB: SP: CREATE_AH send failed"); - return -EINVAL; - } - if (!bnxt_qplib_rcfw_block_for_resp(rcfw, le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&rcfw->pdev->dev, "QPLIB: SP: CREATE_AH timed out"); - return -ETIMEDOUT; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&rcfw->pdev->dev, "QPLIB: SP: CREATE_AH failed "); - dev_err(&rcfw->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - return -EINVAL; - } - ah->id = le32_to_cpu(resp->xid); + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, + NULL, 1); + if (rc) + return rc; + + ah->id = le32_to_cpu(resp.xid); return 0; } @@ -479,35 +426,19 @@ int bnxt_qplib_destroy_ah(struct bnxt_qplib_res *res, struct bnxt_qplib_ah *ah) { struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct cmdq_destroy_ah req; - struct creq_destroy_ah_resp *resp; + struct creq_destroy_ah_resp resp; u16 cmd_flags = 0; + int rc; /* Clean up the AH table in the device */ RCFW_CMD_PREP(req, DESTROY_AH, cmd_flags); req.ah_cid = cpu_to_le32(ah->id); - resp = (struct creq_destroy_ah_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, 1); - if (!resp) { - dev_err(&rcfw->pdev->dev, "QPLIB: SP: DESTROY_AH send failed"); - return -EINVAL; - } - if (!bnxt_qplib_rcfw_block_for_resp(rcfw, le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&rcfw->pdev->dev, "QPLIB: SP: DESTROY_AH timed out"); - return -ETIMEDOUT; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&rcfw->pdev->dev, "QPLIB: SP: DESTROY_AH failed "); - dev_err(&rcfw->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - return -EINVAL; - } + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, + NULL, 1); + if (rc) + return rc; return 0; } @@ -516,8 +447,9 @@ int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) { struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct cmdq_deallocate_key req; - struct creq_deallocate_key_resp *resp; + struct creq_deallocate_key_resp resp; u16 cmd_flags = 0; + int rc; if (mrw->lkey == 0xFFFFFFFF) { dev_info(&res->pdev->dev, @@ -536,27 +468,11 @@ int bnxt_qplib_free_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) else req.key = cpu_to_le32(mrw->lkey); - resp = (struct creq_deallocate_key_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, 0); - if (!resp) { - dev_err(&res->pdev->dev, "QPLIB: SP: FREE_MR send failed"); - return -EINVAL; - } - if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&res->pdev->dev, "QPLIB: SP: FREE_MR timed out"); - return -ETIMEDOUT; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&res->pdev->dev, "QPLIB: SP: FREE_MR failed "); - dev_err(&res->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - return -EINVAL; - } + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, + NULL, 0); + if (rc) + return rc; + /* Free the qplib's MRW memory */ if (mrw->hwq.max_elements) bnxt_qplib_free_hwq(res->pdev, &mrw->hwq); @@ -568,9 +484,10 @@ int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) { struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct cmdq_allocate_mrw req; - struct creq_allocate_mrw_resp *resp; + struct creq_allocate_mrw_resp resp; u16 cmd_flags = 0; unsigned long tmp; + int rc; RCFW_CMD_PREP(req, ALLOCATE_MRW, cmd_flags); @@ -584,33 +501,17 @@ int bnxt_qplib_alloc_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw) tmp = (unsigned long)mrw; req.mrw_handle = cpu_to_le64(tmp); - resp = (struct creq_allocate_mrw_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, 0); - if (!resp) { - dev_err(&rcfw->pdev->dev, "QPLIB: SP: ALLOC_MRW send failed"); - return -EINVAL; - } - if (!bnxt_qplib_rcfw_wait_for_resp(rcfw, le16_to_cpu(req.cookie))) { - /* Cmd timed out */ - dev_err(&rcfw->pdev->dev, "QPLIB: SP: ALLOC_MRW timed out"); - return -ETIMEDOUT; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&rcfw->pdev->dev, "QPLIB: SP: ALLOC_MRW failed "); - dev_err(&rcfw->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - return -EINVAL; - } + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, + (void *)&resp, NULL, 0); + if (rc) + return rc; + if ((mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE1) || (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2A) || (mrw->type == CMDQ_ALLOCATE_MRW_MRW_FLAGS_MW_TYPE2B)) - mrw->rkey = le32_to_cpu(resp->xid); + mrw->rkey = le32_to_cpu(resp.xid); else - mrw->lkey = le32_to_cpu(resp->xid); + mrw->lkey = le32_to_cpu(resp.xid); return 0; } @@ -619,40 +520,17 @@ int bnxt_qplib_dereg_mrw(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mrw, { struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct cmdq_deregister_mr req; - struct creq_deregister_mr_resp *resp; + struct creq_deregister_mr_resp resp; u16 cmd_flags = 0; int rc; RCFW_CMD_PREP(req, DEREGISTER_MR, cmd_flags); req.lkey = cpu_to_le32(mrw->lkey); - resp = (struct creq_deregister_mr_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, block); - if (!resp) { - dev_err(&rcfw->pdev->dev, "QPLIB: SP: DEREG_MR send failed"); - return -EINVAL; - } - if (block) - rc = bnxt_qplib_rcfw_block_for_resp(rcfw, - le16_to_cpu(req.cookie)); - else - rc = bnxt_qplib_rcfw_wait_for_resp(rcfw, - le16_to_cpu(req.cookie)); - if (!rc) { - /* Cmd timed out */ - dev_err(&res->pdev->dev, "QPLIB: SP: DEREG_MR timed out"); - return -ETIMEDOUT; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&rcfw->pdev->dev, "QPLIB: SP: DEREG_MR failed "); - dev_err(&rcfw->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - return -EINVAL; - } + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, + (void *)&resp, NULL, block); + if (rc) + return rc; /* Free the qplib's MR memory */ if (mrw->hwq.max_elements) { @@ -669,7 +547,7 @@ int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr, { struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct cmdq_register_mr req; - struct creq_register_mr_resp *resp; + struct creq_register_mr_resp resp; u16 cmd_flags = 0, level; int pg_ptrs, pages, i, rc; dma_addr_t **pbl_ptr; @@ -730,36 +608,11 @@ int bnxt_qplib_reg_mr(struct bnxt_qplib_res *res, struct bnxt_qplib_mrw *mr, req.key = cpu_to_le32(mr->lkey); req.mr_size = cpu_to_le64(mr->total_size); - resp = (struct creq_register_mr_resp *) - bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, - NULL, block); - if (!resp) { - dev_err(&res->pdev->dev, "SP: REG_MR send failed"); - rc = -EINVAL; - goto fail; - } - if (block) - rc = bnxt_qplib_rcfw_block_for_resp(rcfw, - le16_to_cpu(req.cookie)); - else - rc = bnxt_qplib_rcfw_wait_for_resp(rcfw, - le16_to_cpu(req.cookie)); - if (!rc) { - /* Cmd timed out */ - dev_err(&res->pdev->dev, "SP: REG_MR timed out"); - rc = -ETIMEDOUT; - goto fail; - } - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&res->pdev->dev, "QPLIB: SP: REG_MR failed "); - dev_err(&res->pdev->dev, - "QPLIB: SP: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - rc = -EINVAL; + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, + (void *)&resp, NULL, block); + if (rc) goto fail; - } + return 0; fail: @@ -804,35 +657,15 @@ int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids) { struct bnxt_qplib_rcfw *rcfw = res->rcfw; struct cmdq_map_tc_to_cos req; - struct creq_map_tc_to_cos_resp *resp; + struct creq_map_tc_to_cos_resp resp; u16 cmd_flags = 0; - int tleft; + int rc = 0; RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags); req.cos0 = cpu_to_le16(cids[0]); req.cos1 = cpu_to_le16(cids[1]); - resp = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, NULL, 0); - if (!resp) { - dev_err(&res->pdev->dev, "QPLIB: SP: MAP_TC2COS send failed"); - return -EINVAL; - } - - tleft = bnxt_qplib_rcfw_block_for_resp(rcfw, le16_to_cpu(req.cookie)); - if (!tleft) { - dev_err(&res->pdev->dev, "QPLIB: SP: MAP_TC2COS timed out"); - return -ETIMEDOUT; - } - - if (resp->status || - le16_to_cpu(resp->cookie) != le16_to_cpu(req.cookie)) { - dev_err(&res->pdev->dev, "QPLIB: SP: MAP_TC2COS failed "); - dev_err(&res->pdev->dev, - "QPLIB: with status 0x%x cmdq 0x%x resp 0x%x", - resp->status, le16_to_cpu(req.cookie), - le16_to_cpu(resp->cookie)); - return -EINVAL; - } - + rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, + (void *)&resp, NULL, 0); return 0; } diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.h b/drivers/infiniband/hw/bnxt_re/qplib_sp.h index 1442a61..a543f95 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_sp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.h @@ -40,6 +40,8 @@ #ifndef __BNXT_QPLIB_SP_H__ #define __BNXT_QPLIB_SP_H__ +#define BNXT_QPLIB_RESERVED_QP_WRS 128 + struct bnxt_qplib_dev_attr { char fw_ver[32]; u16 max_sgid; diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index b6fe459..0910faf 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -488,6 +488,7 @@ static int _put_ep_safe(struct c4iw_dev *dev, struct sk_buff *skb) ep = *((struct c4iw_ep **)(skb->cb + 2 * sizeof(void *))); release_ep_resources(ep); + kfree_skb(skb); return 0; } @@ -498,6 +499,7 @@ static int _put_pass_ep_safe(struct c4iw_dev *dev, struct sk_buff *skb) ep = *((struct c4iw_ep **)(skb->cb + 2 * sizeof(void *))); c4iw_put_ep(&ep->parent_ep->com); release_ep_resources(ep); + kfree_skb(skb); return 0; } @@ -569,11 +571,13 @@ static void abort_arp_failure(void *handle, struct sk_buff *skb) pr_debug("%s rdev %p\n", __func__, rdev); req->cmd = CPL_ABORT_NO_RST; + skb_get(skb); ret = c4iw_ofld_send(rdev, skb); if (ret) { __state_set(&ep->com, DEAD); queue_arp_failure_cpl(ep, skb, FAKE_CPL_PUT_EP_SAFE); - } + } else + kfree_skb(skb); } static int send_flowc(struct c4iw_ep *ep) @@ -2517,7 +2521,8 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb) goto reject; } - hdrs = sizeof(struct iphdr) + sizeof(struct tcphdr) + + hdrs = ((iptype == 4) ? sizeof(struct iphdr) : sizeof(struct ipv6hdr)) + + sizeof(struct tcphdr) + ((enable_tcp_timestamps && req->tcpopt.tstamp) ? 12 : 0); if (peer_mss && child_ep->mtu > (peer_mss + hdrs)) child_ep->mtu = peer_mss + hdrs; diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c index 329fb65e..ae0b79a 100644 --- a/drivers/infiniband/hw/cxgb4/device.c +++ b/drivers/infiniband/hw/cxgb4/device.c @@ -767,7 +767,7 @@ void c4iw_release_dev_ucontext(struct c4iw_rdev *rdev, kfree(entry); } - list_for_each_safe(pos, nxt, &uctx->qpids) { + list_for_each_safe(pos, nxt, &uctx->cqids) { entry = list_entry(pos, struct c4iw_qid_list, entry); list_del_init(&entry->entry); kfree(entry); @@ -880,13 +880,15 @@ static int c4iw_rdev_open(struct c4iw_rdev *rdev) rdev->free_workq = create_singlethread_workqueue("iw_cxgb4_free"); if (!rdev->free_workq) { err = -ENOMEM; - goto err_free_status_page; + goto err_free_status_page_and_wr_log; } rdev->status_page->db_off = 0; return 0; -err_free_status_page: +err_free_status_page_and_wr_log: + if (c4iw_wr_log && rdev->wr_log) + kfree(rdev->wr_log); free_page((unsigned long)rdev->status_page); destroy_ocqp_pool: c4iw_ocqp_pool_destroy(rdev); @@ -903,9 +905,11 @@ static void c4iw_rdev_close(struct c4iw_rdev *rdev) { destroy_workqueue(rdev->free_workq); kfree(rdev->wr_log); + c4iw_release_dev_ucontext(rdev, &rdev->uctx); free_page((unsigned long)rdev->status_page); c4iw_pblpool_destroy(rdev); c4iw_rqtpool_destroy(rdev); + c4iw_ocqp_pool_destroy(rdev); c4iw_destroy_resource(&rdev->resource); } @@ -971,7 +975,7 @@ static struct c4iw_dev *c4iw_alloc(const struct cxgb4_lld_info *infop) devp->rdev.lldi.sge_egrstatuspagesize); devp->rdev.hw_queue.t4_eq_status_entries = - devp->rdev.lldi.sge_ingpadboundary > 64 ? 2 : 1; + devp->rdev.lldi.sge_egrstatuspagesize / 64; devp->rdev.hw_queue.t4_max_eq_size = 65520; devp->rdev.hw_queue.t4_max_iq_size = 65520; devp->rdev.hw_queue.t4_max_rq_size = 8192 - diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c index 5d6b1ee..2ba00b8 100644 --- a/drivers/infiniband/hw/hfi1/chip.c +++ b/drivers/infiniband/hw/hfi1/chip.c @@ -6312,25 +6312,38 @@ static void handle_8051_request(struct hfi1_pportdata *ppd) } } -static void write_global_credit(struct hfi1_devdata *dd, - u8 vau, u16 total, u16 shared) +/* + * Set up allocation unit vaulue. + */ +void set_up_vau(struct hfi1_devdata *dd, u8 vau) { - write_csr(dd, SEND_CM_GLOBAL_CREDIT, - ((u64)total << - SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_SHIFT) | - ((u64)shared << - SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_SHIFT) | - ((u64)vau << SEND_CM_GLOBAL_CREDIT_AU_SHIFT)); + u64 reg = read_csr(dd, SEND_CM_GLOBAL_CREDIT); + + /* do not modify other values in the register */ + reg &= ~SEND_CM_GLOBAL_CREDIT_AU_SMASK; + reg |= (u64)vau << SEND_CM_GLOBAL_CREDIT_AU_SHIFT; + write_csr(dd, SEND_CM_GLOBAL_CREDIT, reg); } /* * Set up initial VL15 credits of the remote. Assumes the rest of - * the CM credit registers are zero from a previous global or credit reset . + * the CM credit registers are zero from a previous global or credit reset. + * Shared limit for VL15 will always be 0. */ -void set_up_vl15(struct hfi1_devdata *dd, u8 vau, u16 vl15buf) +void set_up_vl15(struct hfi1_devdata *dd, u16 vl15buf) { - /* leave shared count at zero for both global and VL15 */ - write_global_credit(dd, vau, vl15buf, 0); + u64 reg = read_csr(dd, SEND_CM_GLOBAL_CREDIT); + + /* set initial values for total and shared credit limit */ + reg &= ~(SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_SMASK | + SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_SMASK); + + /* + * Set total limit to be equal to VL15 credits. + * Leave shared limit at 0. + */ + reg |= (u64)vl15buf << SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_SHIFT; + write_csr(dd, SEND_CM_GLOBAL_CREDIT, reg); write_csr(dd, SEND_CM_CREDIT_VL15, (u64)vl15buf << SEND_CM_CREDIT_VL15_DEDICATED_LIMIT_VL_SHIFT); @@ -6348,9 +6361,11 @@ void reset_link_credits(struct hfi1_devdata *dd) for (i = 0; i < TXE_NUM_DATA_VL; i++) write_csr(dd, SEND_CM_CREDIT_VL + (8 * i), 0); write_csr(dd, SEND_CM_CREDIT_VL15, 0); - write_global_credit(dd, 0, 0, 0); + write_csr(dd, SEND_CM_GLOBAL_CREDIT, 0); /* reset the CM block */ pio_send_control(dd, PSC_CM_RESET); + /* reset cached value */ + dd->vl15buf_cached = 0; } /* convert a vCU to a CU */ @@ -6839,24 +6854,35 @@ void handle_link_up(struct work_struct *work) { struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata, link_up_work); + struct hfi1_devdata *dd = ppd->dd; + set_link_state(ppd, HLS_UP_INIT); /* cache the read of DC_LCB_STS_ROUND_TRIP_LTP_CNT */ - read_ltp_rtt(ppd->dd); + read_ltp_rtt(dd); /* * OPA specifies that certain counters are cleared on a transition * to link up, so do that. */ - clear_linkup_counters(ppd->dd); + clear_linkup_counters(dd); /* * And (re)set link up default values. */ set_linkup_defaults(ppd); + /* + * Set VL15 credits. Use cached value from verify cap interrupt. + * In case of quick linkup or simulator, vl15 value will be set by + * handle_linkup_change. VerifyCap interrupt handler will not be + * called in those scenarios. + */ + if (!(quick_linkup || dd->icode == ICODE_FUNCTIONAL_SIMULATOR)) + set_up_vl15(dd, dd->vl15buf_cached); + /* enforce link speed enabled */ if ((ppd->link_speed_active & ppd->link_speed_enabled) == 0) { /* oops - current speed is not enabled, bounce */ - dd_dev_err(ppd->dd, + dd_dev_err(dd, "Link speed active 0x%x is outside enabled 0x%x, downing link\n", ppd->link_speed_active, ppd->link_speed_enabled); set_link_down_reason(ppd, OPA_LINKDOWN_REASON_SPEED_POLICY, 0, @@ -7357,7 +7383,14 @@ void handle_verify_cap(struct work_struct *work) */ if (vau == 0) vau = 1; - set_up_vl15(dd, vau, vl15buf); + set_up_vau(dd, vau); + + /* + * Set VL15 credits to 0 in global credit register. Cache remote VL15 + * credits value and wait for link-up interrupt ot set it. + */ + set_up_vl15(dd, 0); + dd->vl15buf_cached = vl15buf; /* set up the LCB CRC mode */ crc_mask = ppd->port_crc_mode_enabled & partner_supported_crc; diff --git a/drivers/infiniband/hw/hfi1/chip_registers.h b/drivers/infiniband/hw/hfi1/chip_registers.h index 5bfa839..793514f 100644 --- a/drivers/infiniband/hw/hfi1/chip_registers.h +++ b/drivers/infiniband/hw/hfi1/chip_registers.h @@ -839,7 +839,9 @@ #define SEND_CM_CTRL_FORCE_CREDIT_MODE_SMASK 0x8ull #define SEND_CM_CTRL_RESETCSR 0x0000000000000020ull #define SEND_CM_GLOBAL_CREDIT (TXE + 0x000000000508) +#define SEND_CM_GLOBAL_CREDIT_AU_MASK 0x7ull #define SEND_CM_GLOBAL_CREDIT_AU_SHIFT 16 +#define SEND_CM_GLOBAL_CREDIT_AU_SMASK 0x70000ull #define SEND_CM_GLOBAL_CREDIT_RESETCSR 0x0000094000030000ull #define SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_MASK 0xFFFFull #define SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_SHIFT 0 diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index da322e6..414a04a 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -1045,6 +1045,14 @@ struct hfi1_devdata { /* initial vl15 credits to use */ u16 vl15_init; + /* + * Cached value for vl15buf, read during verify cap interrupt. VL15 + * credits are to be kept at 0 and set when handling the link-up + * interrupt. This removes the possibility of receiving VL15 MAD + * packets before this HFI is ready. + */ + u16 vl15buf_cached; + /* Misc small ints */ u8 n_krcv_queues; u8 qos_shift; @@ -1598,7 +1606,8 @@ int hfi1_rcvbuf_validate(u32 size, u8 type, u16 *encode); int fm_get_table(struct hfi1_pportdata *ppd, int which, void *t); int fm_set_table(struct hfi1_pportdata *ppd, int which, void *t); -void set_up_vl15(struct hfi1_devdata *dd, u8 vau, u16 vl15buf); +void set_up_vau(struct hfi1_devdata *dd, u8 vau); +void set_up_vl15(struct hfi1_devdata *dd, u16 vl15buf); void reset_link_credits(struct hfi1_devdata *dd); void assign_remote_cm_au_table(struct hfi1_devdata *dd, u8 vcu); diff --git a/drivers/infiniband/hw/hfi1/intr.c b/drivers/infiniband/hw/hfi1/intr.c index ba265d0..04a5082d 100644 --- a/drivers/infiniband/hw/hfi1/intr.c +++ b/drivers/infiniband/hw/hfi1/intr.c @@ -130,7 +130,8 @@ void handle_linkup_change(struct hfi1_devdata *dd, u32 linkup) * the remote values. Both sides must be using the values. */ if (quick_linkup || dd->icode == ICODE_FUNCTIONAL_SIMULATOR) { - set_up_vl15(dd, dd->vau, dd->vl15_init); + set_up_vau(dd, dd->vau); + set_up_vl15(dd, dd->vl15_init); assign_remote_cm_au_table(dd, dd->vcu); } diff --git a/drivers/infiniband/hw/hfi1/pcie.c b/drivers/infiniband/hw/hfi1/pcie.c index 93faf86..6a9f6f9 100644 --- a/drivers/infiniband/hw/hfi1/pcie.c +++ b/drivers/infiniband/hw/hfi1/pcie.c @@ -207,8 +207,8 @@ int hfi1_pcie_ddinit(struct hfi1_devdata *dd, struct pci_dev *pdev) /* * Save BARs and command to rewrite after device reset. */ - dd->pcibar0 = addr; - dd->pcibar1 = addr >> 32; + pci_read_config_dword(dd->pcidev, PCI_BASE_ADDRESS_0, &dd->pcibar0); + pci_read_config_dword(dd->pcidev, PCI_BASE_ADDRESS_1, &dd->pcibar1); pci_read_config_dword(dd->pcidev, PCI_ROM_ADDRESS, &dd->pci_rom); pci_read_config_word(dd->pcidev, PCI_COMMAND, &dd->pci_command); pcie_capability_read_word(dd->pcidev, PCI_EXP_DEVCTL, &dd->pcie_devctl); diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c index 069bdaf..1080778 100644 --- a/drivers/infiniband/hw/hfi1/rc.c +++ b/drivers/infiniband/hw/hfi1/rc.c @@ -2159,8 +2159,11 @@ send_last: ret = hfi1_rvt_get_rwqe(qp, 1); if (ret < 0) goto nack_op_err; - if (!ret) + if (!ret) { + /* peer will send again */ + rvt_put_ss(&qp->r_sge); goto rnr_nak; + } wc.ex.imm_data = ohdr->u.rc.imm_data; wc.wc_flags = IB_WC_WITH_IMM; goto send_last; diff --git a/drivers/infiniband/hw/hfi1/sysfs.c b/drivers/infiniband/hw/hfi1/sysfs.c index 50d140d..2f3bbca 100644 --- a/drivers/infiniband/hw/hfi1/sysfs.c +++ b/drivers/infiniband/hw/hfi1/sysfs.c @@ -196,7 +196,8 @@ static const struct sysfs_ops port_cc_sysfs_ops = { }; static struct attribute *port_cc_default_attributes[] = { - &cc_prescan_attr.attr + &cc_prescan_attr.attr, + NULL }; static struct kobj_type port_cc_ktype = { diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c index f3bc01b..6ae98aa 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_cm.c +++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c @@ -784,7 +784,6 @@ static void i40iw_build_mpa_v2(struct i40iw_cm_node *cm_node, } ctrl_ird |= IETF_PEER_TO_PEER; - ctrl_ird |= IETF_FLPDU_ZERO_LEN; switch (mpa_key) { case MPA_KEY_REQUEST: @@ -2446,8 +2445,8 @@ static void i40iw_handle_rcv_mpa(struct i40iw_cm_node *cm_node, } else { type = I40IW_CM_EVENT_CONNECTED; cm_node->state = I40IW_CM_STATE_OFFLOADED; - i40iw_send_ack(cm_node); } + i40iw_send_ack(cm_node); break; default: pr_err("%s wrong cm_node state =%d\n", __func__, cm_node->state); diff --git a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c index f82483b..a027e20 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_ctrl.c +++ b/drivers/infiniband/hw/i40iw/i40iw_ctrl.c @@ -285,28 +285,20 @@ void i40iw_change_l2params(struct i40iw_sc_vsi *vsi, struct i40iw_l2params *l2pa struct i40iw_sc_dev *dev = vsi->dev; struct i40iw_sc_qp *qp = NULL; bool qs_handle_change = false; - bool mss_change = false; unsigned long flags; u16 qs_handle; int i; - if (vsi->mss != l2params->mss) { - mss_change = true; - vsi->mss = l2params->mss; - } + vsi->mss = l2params->mss; i40iw_fill_qos_list(l2params->qs_handle_list); for (i = 0; i < I40IW_MAX_USER_PRIORITY; i++) { qs_handle = l2params->qs_handle_list[i]; if (vsi->qos[i].qs_handle != qs_handle) qs_handle_change = true; - else if (!mss_change) - continue; /* no MSS nor qs handle change */ spin_lock_irqsave(&vsi->qos[i].lock, flags); qp = i40iw_get_qp(&vsi->qos[i].qplist, qp); while (qp) { - if (mss_change) - i40iw_qp_mss_modify(dev, qp); if (qs_handle_change) { qp->qs_handle = qs_handle; /* issue cqp suspend command */ @@ -2395,7 +2387,6 @@ static enum i40iw_status_code i40iw_sc_qp_modify( set_64bit_val(wqe, 8, - LS_64(info->new_mss, I40IW_CQPSQ_QP_NEWMSS) | LS_64(term_len, I40IW_CQPSQ_QP_TERMLEN)); set_64bit_val(wqe, 16, qp->hw_host_ctx_pa); @@ -2410,7 +2401,6 @@ static enum i40iw_status_code i40iw_sc_qp_modify( LS_64(info->cq_num_valid, I40IW_CQPSQ_QP_CQNUMVALID) | LS_64(info->force_loopback, I40IW_CQPSQ_QP_FORCELOOPBACK) | LS_64(qp->qp_type, I40IW_CQPSQ_QP_QPTYPE) | - LS_64(info->mss_change, I40IW_CQPSQ_QP_MSSCHANGE) | LS_64(info->static_rsrc, I40IW_CQPSQ_QP_STATRSRC) | LS_64(info->remove_hash_idx, I40IW_CQPSQ_QP_REMOVEHASHENTRY) | LS_64(term_actions, I40IW_CQPSQ_QP_TERMACT) | diff --git a/drivers/infiniband/hw/i40iw/i40iw_main.c b/drivers/infiniband/hw/i40iw/i40iw_main.c index 2728af3..a3f18a2 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_main.c +++ b/drivers/infiniband/hw/i40iw/i40iw_main.c @@ -1319,13 +1319,13 @@ static enum i40iw_status_code i40iw_initialize_dev(struct i40iw_device *iwdev, status = i40iw_obj_aligned_mem(iwdev, &mem, I40IW_QUERY_FPM_BUF_SIZE, I40IW_FPM_QUERY_BUF_ALIGNMENT_MASK); if (status) - goto exit; + goto error; info.fpm_query_buf_pa = mem.pa; info.fpm_query_buf = mem.va; status = i40iw_obj_aligned_mem(iwdev, &mem, I40IW_COMMIT_FPM_BUF_SIZE, I40IW_FPM_COMMIT_BUF_ALIGNMENT_MASK); if (status) - goto exit; + goto error; info.fpm_commit_buf_pa = mem.pa; info.fpm_commit_buf = mem.va; info.hmc_fn_id = ldev->fid; @@ -1347,11 +1347,9 @@ static enum i40iw_status_code i40iw_initialize_dev(struct i40iw_device *iwdev, info.exception_lan_queue = 1; info.vchnl_send = i40iw_virtchnl_send; status = i40iw_device_init(&iwdev->sc_dev, &info); -exit: - if (status) { - kfree(iwdev->hmc_info_mem); - iwdev->hmc_info_mem = NULL; - } + + if (status) + goto error; memset(&vsi_info, 0, sizeof(vsi_info)); vsi_info.dev = &iwdev->sc_dev; vsi_info.back_vsi = (void *)iwdev; @@ -1362,11 +1360,19 @@ exit: memset(&stats_info, 0, sizeof(stats_info)); stats_info.fcn_id = ldev->fid; stats_info.pestat = kzalloc(sizeof(*stats_info.pestat), GFP_KERNEL); + if (!stats_info.pestat) { + status = I40IW_ERR_NO_MEMORY; + goto error; + } stats_info.stats_initialize = true; if (stats_info.pestat) i40iw_vsi_stats_init(&iwdev->vsi, &stats_info); } return status; +error: + kfree(iwdev->hmc_info_mem); + iwdev->hmc_info_mem = NULL; + return status; } /** diff --git a/drivers/infiniband/hw/i40iw/i40iw_osdep.h b/drivers/infiniband/hw/i40iw/i40iw_osdep.h index aa66c1c..f27be3e 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_osdep.h +++ b/drivers/infiniband/hw/i40iw/i40iw_osdep.h @@ -199,7 +199,6 @@ void i40iw_cqp_spawn_worker(struct i40iw_sc_dev *dev, struct i40iw_virtchnl_work_info *work_info, u32 iw_vf_idx); void *i40iw_remove_head(struct list_head *list); void i40iw_qp_suspend_resume(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp, bool suspend); -void i40iw_qp_mss_modify(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp); void i40iw_term_modify_qp(struct i40iw_sc_qp *qp, u8 next_state, u8 term, u8 term_len); void i40iw_terminate_done(struct i40iw_sc_qp *qp, int timeout_occurred); diff --git a/drivers/infiniband/hw/i40iw/i40iw_type.h b/drivers/infiniband/hw/i40iw/i40iw_type.h index 7b76259..959ec81 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_type.h +++ b/drivers/infiniband/hw/i40iw/i40iw_type.h @@ -541,7 +541,6 @@ struct i40iw_create_qp_info { struct i40iw_modify_qp_info { u64 rx_win0; u64 rx_win1; - u16 new_mss; u8 next_iwarp_state; u8 termlen; bool ord_valid; @@ -554,7 +553,6 @@ struct i40iw_modify_qp_info { bool dont_send_term; bool dont_send_fin; bool cached_var_valid; - bool mss_change; bool force_loopback; }; diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c index 409a378..56d9869 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_utils.c +++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c @@ -757,23 +757,6 @@ void i40iw_qp_suspend_resume(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp, b } /** - * i40iw_qp_mss_modify - modify mss for qp - * @dev: hardware control device structure - * @qp: hardware control qp - */ -void i40iw_qp_mss_modify(struct i40iw_sc_dev *dev, struct i40iw_sc_qp *qp) -{ - struct i40iw_device *iwdev = (struct i40iw_device *)dev->back_dev; - struct i40iw_qp *iwqp = (struct i40iw_qp *)qp->back_qp; - struct i40iw_modify_qp_info info; - - memset(&info, 0, sizeof(info)); - info.mss_change = true; - info.new_mss = qp->vsi->mss; - i40iw_hw_modify_qp(iwdev, iwqp, &info, false); -} - -/** * i40iw_term_modify_qp - modify qp for term message * @qp: hardware control qp * @next_state: qp's next state diff --git a/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c b/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c index f4d1368..48fd327 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c +++ b/drivers/infiniband/hw/i40iw/i40iw_virtchnl.c @@ -443,10 +443,7 @@ enum i40iw_status_code i40iw_vchnl_recv_pf(struct i40iw_sc_dev *dev, if (!dev->vchnl_up) return I40IW_ERR_NOT_READY; if (vchnl_msg->iw_op_code == I40IW_VCHNL_OP_GET_VER) { - if (vchnl_msg->iw_op_ver != I40IW_VCHNL_OP_GET_VER_V0) - vchnl_pf_send_get_ver_resp(dev, vf_id, vchnl_msg); - else - vchnl_pf_send_get_ver_resp(dev, vf_id, vchnl_msg); + vchnl_pf_send_get_ver_resp(dev, vf_id, vchnl_msg); return I40IW_SUCCESS; } for (iw_vf_idx = 0; iw_vf_idx < I40IW_MAX_PE_ENABLED_VF_COUNT; iw_vf_idx++) { diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index b469471..21d31cb 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -1578,6 +1578,7 @@ static void mlx4_ib_multiplex_mad(struct mlx4_ib_demux_pv_ctx *ctx, struct ib_wc if (port < 0) return; ah.av.ib.port_pd = cpu_to_be32(port << 24 | (be32_to_cpu(ah.av.ib.port_pd) & 0xffffff)); + ah.ibah.type = rdma_ah_find_type(&dev->ib_dev, port); mlx4_ib_query_ah(&ah.ibah, &ah_attr); if (rdma_ah_get_ah_flags(&ah_attr) & IB_AH_GRH) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index d45772d..9ecc089 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -2979,6 +2979,18 @@ error_0: return ret; } +static u8 mlx5_get_umr_fence(u8 umr_fence_cap) +{ + switch (umr_fence_cap) { + case MLX5_CAP_UMR_FENCE_NONE: + return MLX5_FENCE_MODE_NONE; + case MLX5_CAP_UMR_FENCE_SMALL: + return MLX5_FENCE_MODE_INITIATOR_SMALL; + default: + return MLX5_FENCE_MODE_STRONG_ORDERING; + } +} + static int create_dev_resources(struct mlx5_ib_resources *devr) { struct ib_srq_init_attr attr; @@ -3680,8 +3692,10 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev) dev->ib_dev.check_mr_status = mlx5_ib_check_mr_status; dev->ib_dev.get_port_immutable = mlx5_port_immutable; dev->ib_dev.get_dev_fw_str = get_dev_fw_str; - dev->ib_dev.alloc_rdma_netdev = mlx5_ib_alloc_rdma_netdev; - dev->ib_dev.free_rdma_netdev = mlx5_ib_free_rdma_netdev; + if (MLX5_CAP_GEN(mdev, ipoib_enhanced_offloads)) { + dev->ib_dev.alloc_rdma_netdev = mlx5_ib_alloc_rdma_netdev; + dev->ib_dev.free_rdma_netdev = mlx5_ib_free_rdma_netdev; + } if (mlx5_core_is_pf(mdev)) { dev->ib_dev.get_vf_config = mlx5_ib_get_vf_config; dev->ib_dev.set_vf_link_state = mlx5_ib_set_vf_link_state; @@ -3693,6 +3707,8 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev) mlx5_ib_internal_fill_odp_caps(dev); + dev->umr_fence = mlx5_get_umr_fence(MLX5_CAP_GEN(mdev, umr_fence)); + if (MLX5_CAP_GEN(mdev, imaicl)) { dev->ib_dev.alloc_mw = mlx5_ib_alloc_mw; dev->ib_dev.dealloc_mw = mlx5_ib_dealloc_mw; diff --git a/drivers/infiniband/hw/mlx5/mlx5_ib.h b/drivers/infiniband/hw/mlx5/mlx5_ib.h index 38c877b..bdcf254 100644 --- a/drivers/infiniband/hw/mlx5/mlx5_ib.h +++ b/drivers/infiniband/hw/mlx5/mlx5_ib.h @@ -349,7 +349,7 @@ struct mlx5_ib_qp { struct mlx5_ib_wq rq; u8 sq_signal_bits; - u8 fm_cache; + u8 next_fence; struct mlx5_ib_wq sq; /* serialize qp state modifications @@ -654,6 +654,7 @@ struct mlx5_ib_dev { struct mlx5_ib_port *port; struct mlx5_sq_bfreg bfreg; struct mlx5_sq_bfreg fp_bfreg; + u8 umr_fence; }; static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq) diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 93959e1..ebb6768 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -3738,24 +3738,6 @@ static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16) } } -static u8 get_fence(u8 fence, struct ib_send_wr *wr) -{ - if (unlikely(wr->opcode == IB_WR_LOCAL_INV && - wr->send_flags & IB_SEND_FENCE)) - return MLX5_FENCE_MODE_STRONG_ORDERING; - - if (unlikely(fence)) { - if (wr->send_flags & IB_SEND_FENCE) - return MLX5_FENCE_MODE_SMALL_AND_FENCE; - else - return fence; - } else if (unlikely(wr->send_flags & IB_SEND_FENCE)) { - return MLX5_FENCE_MODE_FENCE; - } - - return 0; -} - static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, struct mlx5_wqe_ctrl_seg **ctrl, struct ib_send_wr *wr, unsigned *idx, @@ -3784,8 +3766,7 @@ static int begin_wqe(struct mlx5_ib_qp *qp, void **seg, static void finish_wqe(struct mlx5_ib_qp *qp, struct mlx5_wqe_ctrl_seg *ctrl, u8 size, unsigned idx, u64 wr_id, - int nreq, u8 fence, u8 next_fence, - u32 mlx5_opcode) + int nreq, u8 fence, u32 mlx5_opcode) { u8 opmod = 0; @@ -3793,7 +3774,6 @@ static void finish_wqe(struct mlx5_ib_qp *qp, mlx5_opcode | ((u32)opmod << 24)); ctrl->qpn_ds = cpu_to_be32(size | (qp->trans_qp.base.mqp.qpn << 8)); ctrl->fm_ce_se |= fence; - qp->fm_cache = next_fence; if (unlikely(qp->wq_sig)) ctrl->signature = wq_sig(ctrl); @@ -3853,7 +3833,6 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, goto out; } - fence = qp->fm_cache; num_sge = wr->num_sge; if (unlikely(num_sge > qp->sq.max_gs)) { mlx5_ib_warn(dev, "\n"); @@ -3870,6 +3849,19 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, goto out; } + if (wr->opcode == IB_WR_LOCAL_INV || + wr->opcode == IB_WR_REG_MR) { + fence = dev->umr_fence; + next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; + } else if (wr->send_flags & IB_SEND_FENCE) { + if (qp->next_fence) + fence = MLX5_FENCE_MODE_SMALL_AND_FENCE; + else + fence = MLX5_FENCE_MODE_FENCE; + } else { + fence = qp->next_fence; + } + switch (ibqp->qp_type) { case IB_QPT_XRC_INI: xrc = seg; @@ -3896,7 +3888,6 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, goto out; case IB_WR_LOCAL_INV: - next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; qp->sq.wr_data[idx] = IB_WR_LOCAL_INV; ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey); set_linv_wr(qp, &seg, &size); @@ -3904,7 +3895,6 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, break; case IB_WR_REG_MR: - next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; qp->sq.wr_data[idx] = IB_WR_REG_MR; ctrl->imm = cpu_to_be32(reg_wr(wr)->key); err = set_reg_wr(qp, reg_wr(wr), &seg, &size); @@ -3927,9 +3917,8 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, goto out; } - finish_wqe(qp, ctrl, size, idx, wr->wr_id, - nreq, get_fence(fence, wr), - next_fence, MLX5_OPCODE_UMR); + finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, + fence, MLX5_OPCODE_UMR); /* * SET_PSV WQEs are not signaled and solicited * on error @@ -3954,9 +3943,8 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, goto out; } - finish_wqe(qp, ctrl, size, idx, wr->wr_id, - nreq, get_fence(fence, wr), - next_fence, MLX5_OPCODE_SET_PSV); + finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, + fence, MLX5_OPCODE_SET_PSV); err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq); if (err) { @@ -3966,7 +3954,6 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, goto out; } - next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire, mr->sig->psv_wire.psv_idx, &seg, &size); @@ -3976,9 +3963,9 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, goto out; } - finish_wqe(qp, ctrl, size, idx, wr->wr_id, - nreq, get_fence(fence, wr), - next_fence, MLX5_OPCODE_SET_PSV); + finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, + fence, MLX5_OPCODE_SET_PSV); + qp->next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL; num_sge = 0; goto skip_psv; @@ -4089,8 +4076,8 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, } } - finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, - get_fence(fence, wr), next_fence, + qp->next_fence = next_fence; + finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq, fence, mlx5_ib_opcode[wr->opcode]); skip_psv: if (0) diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c index fb983df..30b256a 100644 --- a/drivers/infiniband/hw/nes/nes_cm.c +++ b/drivers/infiniband/hw/nes/nes_cm.c @@ -610,7 +610,6 @@ static void build_mpa_v2(struct nes_cm_node *cm_node, ctrl_ord = cm_node->ord_size & IETF_NO_IRD_ORD; } ctrl_ird |= IETF_PEER_TO_PEER; - ctrl_ird |= IETF_FLPDU_ZERO_LEN; switch (mpa_key) { case MPA_KEY_REQUEST: @@ -1826,7 +1825,7 @@ static void handle_rcv_mpa(struct nes_cm_node *cm_node, struct sk_buff *skb) type = NES_CM_EVENT_CONNECTED; cm_node->state = NES_CM_STATE_TSA; } - + send_ack(cm_node, NULL); break; default: WARN_ON(1); diff --git a/drivers/infiniband/hw/qedr/qedr.h b/drivers/infiniband/hw/qedr/qedr.h index aa08c76..d961f79 100644 --- a/drivers/infiniband/hw/qedr/qedr.h +++ b/drivers/infiniband/hw/qedr/qedr.h @@ -58,7 +58,10 @@ #define QEDR_MSG_QP " QP" #define QEDR_MSG_GSI " GSI" -#define QEDR_CQ_MAGIC_NUMBER (0x11223344) +#define QEDR_CQ_MAGIC_NUMBER (0x11223344) + +#define FW_PAGE_SIZE (RDMA_RING_PAGE_SIZE) +#define FW_PAGE_SHIFT (12) struct qedr_dev; diff --git a/drivers/infiniband/hw/qedr/qedr_cm.c b/drivers/infiniband/hw/qedr/qedr_cm.c index 3d7705c..d86dbe8 100644 --- a/drivers/infiniband/hw/qedr/qedr_cm.c +++ b/drivers/infiniband/hw/qedr/qedr_cm.c @@ -270,11 +270,13 @@ static inline int qedr_gsi_build_header(struct qedr_dev *dev, return rc; } - vlan_id = rdma_vlan_dev_vlan_id(sgid_attr.ndev); - if (vlan_id < VLAN_CFI_MASK) - has_vlan = true; - if (sgid_attr.ndev) + if (sgid_attr.ndev) { + vlan_id = rdma_vlan_dev_vlan_id(sgid_attr.ndev); + if (vlan_id < VLAN_CFI_MASK) + has_vlan = true; + dev_put(sgid_attr.ndev); + } if (!memcmp(&sgid, &zgid, sizeof(sgid))) { DP_ERR(dev, "gsi post send: GID not found GID index %d\n", diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index 17685cf..d6723c3 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -653,14 +653,15 @@ static int qedr_prepare_pbl_tbl(struct qedr_dev *dev, static void qedr_populate_pbls(struct qedr_dev *dev, struct ib_umem *umem, struct qedr_pbl *pbl, - struct qedr_pbl_info *pbl_info) + struct qedr_pbl_info *pbl_info, u32 pg_shift) { int shift, pg_cnt, pages, pbe_cnt, total_num_pbes = 0; + u32 fw_pg_cnt, fw_pg_per_umem_pg; struct qedr_pbl *pbl_tbl; struct scatterlist *sg; struct regpair *pbe; + u64 pg_addr; int entry; - u32 addr; if (!pbl_info->num_pbes) return; @@ -683,29 +684,35 @@ static void qedr_populate_pbls(struct qedr_dev *dev, struct ib_umem *umem, shift = umem->page_shift; + fw_pg_per_umem_pg = BIT(umem->page_shift - pg_shift); + for_each_sg(umem->sg_head.sgl, sg, umem->nmap, entry) { pages = sg_dma_len(sg) >> shift; + pg_addr = sg_dma_address(sg); for (pg_cnt = 0; pg_cnt < pages; pg_cnt++) { - /* store the page address in pbe */ - pbe->lo = cpu_to_le32(sg_dma_address(sg) + - (pg_cnt << shift)); - addr = upper_32_bits(sg_dma_address(sg) + - (pg_cnt << shift)); - pbe->hi = cpu_to_le32(addr); - pbe_cnt++; - total_num_pbes++; - pbe++; - - if (total_num_pbes == pbl_info->num_pbes) - return; - - /* If the given pbl is full storing the pbes, - * move to next pbl. - */ - if (pbe_cnt == (pbl_info->pbl_size / sizeof(u64))) { - pbl_tbl++; - pbe = (struct regpair *)pbl_tbl->va; - pbe_cnt = 0; + for (fw_pg_cnt = 0; fw_pg_cnt < fw_pg_per_umem_pg;) { + pbe->lo = cpu_to_le32(pg_addr); + pbe->hi = cpu_to_le32(upper_32_bits(pg_addr)); + + pg_addr += BIT(pg_shift); + pbe_cnt++; + total_num_pbes++; + pbe++; + + if (total_num_pbes == pbl_info->num_pbes) + return; + + /* If the given pbl is full storing the pbes, + * move to next pbl. + */ + if (pbe_cnt == + (pbl_info->pbl_size / sizeof(u64))) { + pbl_tbl++; + pbe = (struct regpair *)pbl_tbl->va; + pbe_cnt = 0; + } + + fw_pg_cnt++; } } } @@ -754,7 +761,7 @@ static inline int qedr_init_user_queue(struct ib_ucontext *ib_ctx, u64 buf_addr, size_t buf_len, int access, int dmasync) { - int page_cnt; + u32 fw_pages; int rc; q->buf_addr = buf_addr; @@ -766,8 +773,10 @@ static inline int qedr_init_user_queue(struct ib_ucontext *ib_ctx, return PTR_ERR(q->umem); } - page_cnt = ib_umem_page_count(q->umem); - rc = qedr_prepare_pbl_tbl(dev, &q->pbl_info, page_cnt, 0); + fw_pages = ib_umem_page_count(q->umem) << + (q->umem->page_shift - FW_PAGE_SHIFT); + + rc = qedr_prepare_pbl_tbl(dev, &q->pbl_info, fw_pages, 0); if (rc) goto err0; @@ -777,7 +786,8 @@ static inline int qedr_init_user_queue(struct ib_ucontext *ib_ctx, goto err0; } - qedr_populate_pbls(dev, q->umem, q->pbl_tbl, &q->pbl_info); + qedr_populate_pbls(dev, q->umem, q->pbl_tbl, &q->pbl_info, + FW_PAGE_SHIFT); return 0; @@ -2226,7 +2236,7 @@ struct ib_mr *qedr_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 len, goto err1; qedr_populate_pbls(dev, mr->umem, mr->info.pbl_table, - &mr->info.pbl_info); + &mr->info.pbl_info, mr->umem->page_shift); rc = dev->ops->rdma_alloc_tid(dev->rdma_ctx, &mr->hw_mr.itid); if (rc) { @@ -3209,6 +3219,10 @@ static int process_req(struct qedr_dev *dev, struct qedr_qp *qp, case IB_WC_REG_MR: qp->wqe_wr_id[qp->sq.cons].mr->info.completed++; break; + case IB_WC_RDMA_READ: + case IB_WC_SEND: + wc->byte_len = qp->wqe_wr_id[qp->sq.cons].bytes_len; + break; default: break; } diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c index fc8b885..4ddbcac 100644 --- a/drivers/infiniband/hw/qib/qib_rc.c +++ b/drivers/infiniband/hw/qib/qib_rc.c @@ -1956,8 +1956,10 @@ send_last: ret = qib_get_rwqe(qp, 1); if (ret < 0) goto nack_op_err; - if (!ret) + if (!ret) { + rvt_put_ss(&qp->r_sge); goto rnr_nak; + } wc.ex.imm_data = ohdr->u.rc.imm_data; hdrsize += 4; wc.wc_flags = IB_WC_WITH_IMM; diff --git a/drivers/infiniband/sw/rxe/rxe.h b/drivers/infiniband/sw/rxe/rxe.h index ecdba2f..1ac5b85 100644 --- a/drivers/infiniband/sw/rxe/rxe.h +++ b/drivers/infiniband/sw/rxe/rxe.h @@ -68,6 +68,7 @@ static inline u32 rxe_crc32(struct rxe_dev *rxe, u32 crc, void *next, size_t len) { + u32 retval; int err; SHASH_DESC_ON_STACK(shash, rxe->tfm); @@ -81,7 +82,9 @@ static inline u32 rxe_crc32(struct rxe_dev *rxe, return crc32_le(crc, next, len); } - return *(u32 *)shash_desc_ctx(shash); + retval = *(u32 *)shash_desc_ctx(shash); + barrier_data(shash_desc_ctx(shash)); + return retval; } int rxe_set_mtu(struct rxe_dev *rxe, unsigned int dev_mtu); diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index 83d709e..073e667 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -740,13 +740,8 @@ static int init_send_wqe(struct rxe_qp *qp, struct ib_send_wr *ibwr, sge = ibwr->sg_list; for (i = 0; i < num_sge; i++, sge++) { - if (qp->is_user && copy_from_user(p, (__user void *) - (uintptr_t)sge->addr, sge->length)) - return -EFAULT; - - else if (!qp->is_user) - memcpy(p, (void *)(uintptr_t)sge->addr, - sge->length); + memcpy(p, (void *)(uintptr_t)sge->addr, + sge->length); p += sge->length; } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c index 874b243..7871379 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c @@ -178,7 +178,7 @@ static inline int ib_speed_enum_to_int(int speed) static int ipoib_get_link_ksettings(struct net_device *netdev, struct ethtool_link_ksettings *cmd) { - struct ipoib_dev_priv *priv = netdev_priv(netdev); + struct ipoib_dev_priv *priv = ipoib_priv(netdev); struct ib_port_attr attr; int ret, speed, width; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 0060b2f..efe7402 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -863,7 +863,6 @@ dev_stop: set_bit(IPOIB_STOP_REAPER, &priv->flags); cancel_delayed_work(&priv->ah_reap_task); set_bit(IPOIB_FLAG_INITIALIZED, &priv->flags); - napi_enable(&priv->napi); ipoib_ib_dev_stop(dev); return -1; } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 2869d1a..1015a63 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -1590,12 +1590,14 @@ static void ipoib_neigh_hash_uninit(struct net_device *dev) wait_for_completion(&priv->ntbl.deleted); } -void ipoib_dev_uninit_default(struct net_device *dev) +static void ipoib_dev_uninit_default(struct net_device *dev) { struct ipoib_dev_priv *priv = ipoib_priv(dev); ipoib_transport_dev_cleanup(dev); + netif_napi_del(&priv->napi); + ipoib_cm_dev_cleanup(dev); kfree(priv->rx_ring); @@ -1649,6 +1651,7 @@ out_rx_ring_cleanup: kfree(priv->rx_ring); out: + netif_napi_del(&priv->napi); return -ENOMEM; } @@ -2237,6 +2240,7 @@ event_failed: device_init_failed: free_netdev(priv->dev); + kfree(priv); alloc_mem_failed: return ERR_PTR(result); @@ -2277,7 +2281,7 @@ static void ipoib_add_one(struct ib_device *device) static void ipoib_remove_one(struct ib_device *device, void *client_data) { - struct ipoib_dev_priv *priv, *tmp; + struct ipoib_dev_priv *priv, *tmp, *cpriv, *tcpriv; struct list_head *dev_list = client_data; if (!dev_list) @@ -2300,7 +2304,14 @@ static void ipoib_remove_one(struct ib_device *device, void *client_data) flush_workqueue(priv->wq); unregister_netdev(priv->dev); - free_netdev(priv->dev); + if (device->free_rdma_netdev) + device->free_rdma_netdev(priv->dev); + else + free_netdev(priv->dev); + + list_for_each_entry_safe(cpriv, tcpriv, &priv->child_intfs, list) + kfree(cpriv); + kfree(priv); } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c index 36dc4fc..081b33d 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c @@ -133,13 +133,13 @@ int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey) snprintf(intf_name, sizeof intf_name, "%s.%04x", ppriv->dev->name, pkey); + if (!rtnl_trylock()) + return restart_syscall(); + priv = ipoib_intf_alloc(ppriv->ca, ppriv->port, intf_name); if (!priv) return -ENOMEM; - if (!rtnl_trylock()) - return restart_syscall(); - down_write(&ppriv->vlan_rwsem); /* @@ -167,8 +167,10 @@ out: rtnl_unlock(); - if (result) + if (result) { free_netdev(priv->dev); + kfree(priv); + } return result; } @@ -209,6 +211,7 @@ int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey) if (dev) { free_netdev(dev); + kfree(priv); return 0; } diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c index def723a..2354c74 100644 --- a/drivers/infiniband/ulp/srp/ib_srp.c +++ b/drivers/infiniband/ulp/srp/ib_srp.c @@ -320,7 +320,7 @@ static int srp_new_cm_id(struct srp_rdma_ch *ch) ch->path.sgid = target->sgid; ch->path.dgid = target->orig_dgid; ch->path.pkey = target->pkey; - sa_path_set_service_id(&ch->path, target->service_id); + ch->path.service_id = target->service_id; return 0; } @@ -575,7 +575,7 @@ static int srp_create_ch_ib(struct srp_rdma_ch *ch) return 0; err_qp: - srp_destroy_qp(ch, qp); + ib_destroy_qp(qp); err_send_cq: ib_free_cq(send_cq); diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c index f52812d..e9f0ebf 100644 --- a/drivers/input/keyboard/gpio_keys.c +++ b/drivers/input/keyboard/gpio_keys.c @@ -827,7 +827,7 @@ static int gpio_keys_probe(struct platform_device *pdev) fwnode_handle_put(child); - error = sysfs_create_group(&dev->kobj, &gpio_keys_attr_group); + error = devm_device_add_group(dev, &gpio_keys_attr_group); if (error) { dev_err(dev, "Unable to export keys/switches, error: %d\n", error); @@ -838,23 +838,12 @@ static int gpio_keys_probe(struct platform_device *pdev) if (error) { dev_err(dev, "Unable to register input device, error: %d\n", error); - goto err_remove_group; + return error; } device_init_wakeup(dev, wakeup); return 0; - -err_remove_group: - sysfs_remove_group(&dev->kobj, &gpio_keys_attr_group); - return error; -} - -static int gpio_keys_remove(struct platform_device *pdev) -{ - sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group); - - return 0; } static int __maybe_unused gpio_keys_suspend(struct device *dev) @@ -912,7 +901,6 @@ static SIMPLE_DEV_PM_OPS(gpio_keys_pm_ops, gpio_keys_suspend, gpio_keys_resume); static struct platform_driver gpio_keys_device_driver = { .probe = gpio_keys_probe, - .remove = gpio_keys_remove, .driver = { .name = "gpio-keys", .pm = &gpio_keys_pm_ops, diff --git a/drivers/input/keyboard/tm2-touchkey.c b/drivers/input/keyboard/tm2-touchkey.c index 485900f..abc266e 100644 --- a/drivers/input/keyboard/tm2-touchkey.c +++ b/drivers/input/keyboard/tm2-touchkey.c @@ -213,7 +213,7 @@ static int tm2_touchkey_probe(struct i2c_client *client, /* led device */ touchkey->led_dev.name = TM2_TOUCHKEY_DEV_NAME; touchkey->led_dev.brightness = LED_FULL; - touchkey->led_dev.max_brightness = LED_FULL; + touchkey->led_dev.max_brightness = LED_ON; touchkey->led_dev.brightness_set = tm2_touchkey_led_brightness_set; error = devm_led_classdev_register(&client->dev, &touchkey->led_dev); diff --git a/drivers/input/misc/axp20x-pek.c b/drivers/input/misc/axp20x-pek.c index d3e9ce2..cfeb0e9 100644 --- a/drivers/input/misc/axp20x-pek.c +++ b/drivers/input/misc/axp20x-pek.c @@ -182,13 +182,6 @@ static irqreturn_t axp20x_pek_irq(int irq, void *pwr) return IRQ_HANDLED; } -static void axp20x_remove_sysfs_group(void *_data) -{ - struct device *dev = _data; - - sysfs_remove_group(&dev->kobj, &axp20x_attribute_group); -} - static int axp20x_pek_probe_input_device(struct axp20x_pek *axp20x_pek, struct platform_device *pdev) { @@ -259,6 +252,42 @@ static int axp20x_pek_probe_input_device(struct axp20x_pek *axp20x_pek, return 0; } +#ifdef CONFIG_ACPI +static bool axp20x_pek_should_register_input(struct axp20x_pek *axp20x_pek, + struct platform_device *pdev) +{ + unsigned long long hrv = 0; + acpi_status status; + + if (IS_ENABLED(CONFIG_INPUT_SOC_BUTTON_ARRAY) && + axp20x_pek->axp20x->variant == AXP288_ID) { + status = acpi_evaluate_integer(ACPI_HANDLE(pdev->dev.parent), + "_HRV", NULL, &hrv); + if (ACPI_FAILURE(status)) + dev_err(&pdev->dev, "Failed to get PMIC hardware revision\n"); + + /* + * On Cherry Trail platforms (hrv == 3), do not register the + * input device if there is an "INTCFD9" or "ACPI0011" gpio + * button ACPI device, as that handles the power button too, + * and otherwise we end up reporting all presses twice. + */ + if (hrv == 3 && (acpi_dev_present("INTCFD9", NULL, -1) || + acpi_dev_present("ACPI0011", NULL, -1))) + return false; + + } + + return true; +} +#else +static bool axp20x_pek_should_register_input(struct axp20x_pek *axp20x_pek, + struct platform_device *pdev) +{ + return true; +} +#endif + static int axp20x_pek_probe(struct platform_device *pdev) { struct axp20x_pek *axp20x_pek; @@ -271,34 +300,19 @@ static int axp20x_pek_probe(struct platform_device *pdev) axp20x_pek->axp20x = dev_get_drvdata(pdev->dev.parent); - /* - * Do not register the input device if there is an "INTCFD9" - * gpio button ACPI device, that handles the power button too, - * and otherwise we end up reporting all presses twice. - */ - if (!acpi_dev_found("INTCFD9") || - !IS_ENABLED(CONFIG_INPUT_SOC_BUTTON_ARRAY)) { + if (axp20x_pek_should_register_input(axp20x_pek, pdev)) { error = axp20x_pek_probe_input_device(axp20x_pek, pdev); if (error) return error; } - error = sysfs_create_group(&pdev->dev.kobj, &axp20x_attribute_group); + error = devm_device_add_group(&pdev->dev, &axp20x_attribute_group); if (error) { dev_err(&pdev->dev, "Failed to create sysfs attributes: %d\n", error); return error; } - error = devm_add_action(&pdev->dev, - axp20x_remove_sysfs_group, &pdev->dev); - if (error) { - axp20x_remove_sysfs_group(&pdev->dev); - dev_err(&pdev->dev, "Failed to add sysfs cleanup action: %d\n", - error); - return error; - } - platform_set_drvdata(pdev, axp20x_pek); return 0; diff --git a/drivers/input/misc/soc_button_array.c b/drivers/input/misc/soc_button_array.c index e37d372..f600f3a 100644 --- a/drivers/input/misc/soc_button_array.c +++ b/drivers/input/misc/soc_button_array.c @@ -248,7 +248,8 @@ static struct soc_button_info *soc_button_get_button_info(struct device *dev) if (!btns_desc) { dev_err(dev, "ACPI Button Descriptors not found\n"); - return ERR_PTR(-ENODEV); + button_info = ERR_PTR(-ENODEV); + goto out; } /* The first package describes the collection */ @@ -264,24 +265,31 @@ static struct soc_button_info *soc_button_get_button_info(struct device *dev) } if (collection_uid == -1) { dev_err(dev, "Invalid Button Collection Descriptor\n"); - return ERR_PTR(-ENODEV); + button_info = ERR_PTR(-ENODEV); + goto out; } /* There are package.count - 1 buttons + 1 terminating empty entry */ button_info = devm_kcalloc(dev, btns_desc->package.count, sizeof(*button_info), GFP_KERNEL); - if (!button_info) - return ERR_PTR(-ENOMEM); + if (!button_info) { + button_info = ERR_PTR(-ENOMEM); + goto out; + } /* Parse the button descriptors */ for (i = 1, btn = 0; i < btns_desc->package.count; i++, btn++) { if (soc_button_parse_btn_desc(dev, &btns_desc->package.elements[i], collection_uid, - &button_info[btn])) - return ERR_PTR(-ENODEV); + &button_info[btn])) { + button_info = ERR_PTR(-ENODEV); + goto out; + } } +out: + kfree(buf.pointer); return button_info; } diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 65c9de3..6428d6f 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1118,8 +1118,10 @@ static int elantech_get_resolution_v4(struct psmouse *psmouse, * Asus UX32VD 0x361f02 00, 15, 0e clickpad * Avatar AVIU-145A2 0x361f00 ? clickpad * Fujitsu LIFEBOOK E544 0x470f00 d0, 12, 09 2 hw buttons + * Fujitsu LIFEBOOK E546 0x470f00 50, 12, 09 2 hw buttons * Fujitsu LIFEBOOK E547 0x470f00 50, 12, 09 2 hw buttons * Fujitsu LIFEBOOK E554 0x570f01 40, 14, 0c 2 hw buttons + * Fujitsu LIFEBOOK E557 0x570f01 40, 14, 0c 2 hw buttons * Fujitsu T725 0x470f01 05, 12, 09 2 hw buttons * Fujitsu H730 0x570f00 c0, 14, 0c 3 hw buttons (**) * Gigabyte U2442 0x450f01 58, 17, 0c 2 hw buttons @@ -1525,6 +1527,13 @@ static const struct dmi_system_id elantech_dmi_force_crc_enabled[] = { }, }, { + /* Fujitsu LIFEBOOK E546 does not work with crc_enabled == 0 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E546"), + }, + }, + { /* Fujitsu LIFEBOOK E547 does not work with crc_enabled == 0 */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), @@ -1546,6 +1555,13 @@ static const struct dmi_system_id elantech_dmi_force_crc_enabled[] = { }, }, { + /* Fujitsu LIFEBOOK E557 does not work with crc_enabled == 0 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E557"), + }, + }, + { /* Fujitsu LIFEBOOK U745 does not work with crc_enabled == 0 */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 131df9d..16c3046 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -176,6 +176,12 @@ static const char * const smbus_pnp_ids[] = { NULL }; +static const char * const forcepad_pnp_ids[] = { + "SYN300D", + "SYN3014", + NULL +}; + /* * Send a command to the synpatics touchpad by special commands */ @@ -397,6 +403,8 @@ static int synaptics_query_hardware(struct psmouse *psmouse, { int error; + memset(info, 0, sizeof(*info)); + error = synaptics_identify(psmouse, info); if (error) return error; @@ -480,13 +488,6 @@ static const struct min_max_quirk min_max_pnpid_table[] = { { } }; -/* This list has been kindly provided by Synaptics. */ -static const char * const forcepad_pnp_ids[] = { - "SYN300D", - "SYN3014", - NULL -}; - /***************************************************************************** * Synaptics communications functions ****************************************************************************/ @@ -1687,7 +1688,8 @@ enum { SYNAPTICS_INTERTOUCH_ON, }; -static int synaptics_intertouch = SYNAPTICS_INTERTOUCH_NOT_SET; +static int synaptics_intertouch = IS_ENABLED(CONFIG_RMI4_SMB) ? + SYNAPTICS_INTERTOUCH_NOT_SET : SYNAPTICS_INTERTOUCH_OFF; module_param_named(synaptics_intertouch, synaptics_intertouch, int, 0644); MODULE_PARM_DESC(synaptics_intertouch, "Use a secondary bus for the Synaptics device."); @@ -1737,8 +1739,16 @@ static int synaptics_setup_intertouch(struct psmouse *psmouse, if (synaptics_intertouch == SYNAPTICS_INTERTOUCH_NOT_SET) { if (!psmouse_matches_pnp_id(psmouse, topbuttonpad_pnp_ids) && - !psmouse_matches_pnp_id(psmouse, smbus_pnp_ids)) + !psmouse_matches_pnp_id(psmouse, smbus_pnp_ids)) { + + if (!psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids)) + psmouse_info(psmouse, + "Your touchpad (%s) says it can support a different bus. " + "If i2c-hid and hid-rmi are not used, you might want to try setting psmouse.synaptics_intertouch to 1 and report this to linux-input@vger.kernel.org.\n", + psmouse->ps2dev.serio->firmware_id); + return -ENXIO; + } } psmouse_info(psmouse, "Trying to set up SMBus access\n"); @@ -1810,6 +1820,15 @@ int synaptics_init(struct psmouse *psmouse) } if (SYN_CAP_INTERTOUCH(info.ext_cap_0c)) { + if ((!IS_ENABLED(CONFIG_RMI4_SMB) || + !IS_ENABLED(CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS)) && + /* Forcepads need F21, which is not ready */ + !psmouse_matches_pnp_id(psmouse, forcepad_pnp_ids)) { + psmouse_warn(psmouse, + "The touchpad can support a better bus than the too old PS/2 protocol. " + "Make sure MOUSE_PS2_SYNAPTICS_SMBUS and RMI4_SMB are enabled to get a better touchpad experience.\n"); + } + error = synaptics_setup_intertouch(psmouse, &info, true); if (!error) return PSMOUSE_SYNAPTICS_SMBUS; diff --git a/drivers/input/rmi4/rmi_f01.c b/drivers/input/rmi4/rmi_f01.c index aa1aabf..ae966e3 100644 --- a/drivers/input/rmi4/rmi_f01.c +++ b/drivers/input/rmi4/rmi_f01.c @@ -570,18 +570,14 @@ static int rmi_f01_probe(struct rmi_function *fn) dev_set_drvdata(&fn->dev, f01); - error = sysfs_create_group(&fn->rmi_dev->dev.kobj, &rmi_f01_attr_group); + error = devm_device_add_group(&fn->rmi_dev->dev, &rmi_f01_attr_group); if (error) - dev_warn(&fn->dev, "Failed to create sysfs group: %d\n", error); + dev_warn(&fn->dev, + "Failed to create attribute group: %d\n", error); return 0; } -static void rmi_f01_remove(struct rmi_function *fn) -{ - sysfs_remove_group(&fn->rmi_dev->dev.kobj, &rmi_f01_attr_group); -} - static int rmi_f01_config(struct rmi_function *fn) { struct f01_data *f01 = dev_get_drvdata(&fn->dev); @@ -721,7 +717,6 @@ struct rmi_function_handler rmi_f01_handler = { }, .func = 0x01, .probe = rmi_f01_probe, - .remove = rmi_f01_remove, .config = rmi_f01_config, .attention = rmi_f01_attention, .suspend = rmi_f01_suspend, diff --git a/drivers/input/rmi4/rmi_f03.c b/drivers/input/rmi4/rmi_f03.c index 77dad04..ad71a5e 100644 --- a/drivers/input/rmi4/rmi_f03.c +++ b/drivers/input/rmi4/rmi_f03.c @@ -146,7 +146,7 @@ static int rmi_f03_register_pt(struct f03_data *f03) if (!serio) return -ENOMEM; - serio->id.type = SERIO_8042; + serio->id.type = SERIO_PS_PSTHRU; serio->write = rmi_f03_pt_write; serio->port_data = f03; diff --git a/drivers/input/rmi4/rmi_f54.c b/drivers/input/rmi4/rmi_f54.c index dea63e2..f5206e2 100644 --- a/drivers/input/rmi4/rmi_f54.c +++ b/drivers/input/rmi4/rmi_f54.c @@ -31,9 +31,6 @@ #define F54_GET_REPORT 1 #define F54_FORCE_CAL 2 -/* Fixed sizes of reports */ -#define F54_QUERY_LEN 27 - /* F54 capabilities */ #define F54_CAP_BASELINE (1 << 2) #define F54_CAP_IMAGE8 (1 << 3) @@ -95,7 +92,6 @@ struct rmi_f54_reports { struct f54_data { struct rmi_function *fn; - u8 qry[F54_QUERY_LEN]; u8 num_rx_electrodes; u8 num_tx_electrodes; u8 capabilities; @@ -632,22 +628,23 @@ static int rmi_f54_detect(struct rmi_function *fn) { int error; struct f54_data *f54; + u8 buf[6]; f54 = dev_get_drvdata(&fn->dev); error = rmi_read_block(fn->rmi_dev, fn->fd.query_base_addr, - &f54->qry, sizeof(f54->qry)); + buf, sizeof(buf)); if (error) { dev_err(&fn->dev, "%s: Failed to query F54 properties\n", __func__); return error; } - f54->num_rx_electrodes = f54->qry[0]; - f54->num_tx_electrodes = f54->qry[1]; - f54->capabilities = f54->qry[2]; - f54->clock_rate = f54->qry[3] | (f54->qry[4] << 8); - f54->family = f54->qry[5]; + f54->num_rx_electrodes = buf[0]; + f54->num_tx_electrodes = buf[1]; + f54->capabilities = buf[2]; + f54->clock_rate = buf[3] | (buf[4] << 8); + f54->family = buf[5]; rmi_dbg(RMI_DEBUG_FN, &fn->dev, "F54 num_rx_electrodes: %d\n", f54->num_rx_electrodes); diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 09720d9..f932a83 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -723,6 +723,13 @@ static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"), }, }, + { + /* Fujitsu UH554 laptop */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"), + }, + }, { } }; diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c index 813dd68..0dbcf10 100644 --- a/drivers/input/touchscreen/silead.c +++ b/drivers/input/touchscreen/silead.c @@ -526,6 +526,7 @@ static int __maybe_unused silead_ts_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); + disable_irq(client->irq); silead_ts_set_power(client, SILEAD_POWER_OFF); return 0; } @@ -551,6 +552,8 @@ static int __maybe_unused silead_ts_resume(struct device *dev) return -ENODEV; } + enable_irq(client->irq); + return 0; } diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 63cacf5..0f1219f 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3879,11 +3879,9 @@ static void irte_ga_prepare(void *entry, u8 vector, u32 dest_apicid, int devid) { struct irte_ga *irte = (struct irte_ga *) entry; - struct iommu_dev_data *dev_data = search_dev_data(devid); irte->lo.val = 0; irte->hi.val = 0; - irte->lo.fields_remap.guest_mode = dev_data ? dev_data->use_vapic : 0; irte->lo.fields_remap.int_type = delivery_mode; irte->lo.fields_remap.dm = dest_mode; irte->hi.fields.vector = vector; @@ -3939,10 +3937,10 @@ static void irte_ga_set_affinity(void *entry, u16 devid, u16 index, struct irte_ga *irte = (struct irte_ga *) entry; struct iommu_dev_data *dev_data = search_dev_data(devid); - if (!dev_data || !dev_data->use_vapic) { + if (!dev_data || !dev_data->use_vapic || + !irte->lo.fields_remap.guest_mode) { irte->hi.fields.vector = vector; irte->lo.fields_remap.destination = dest_apicid; - irte->lo.fields_remap.guest_mode = 0; modify_irte_ga(devid, index, irte, NULL); } } diff --git a/drivers/iommu/of_iommu.c b/drivers/iommu/of_iommu.c index 9f44ee8..19779b8 100644 --- a/drivers/iommu/of_iommu.c +++ b/drivers/iommu/of_iommu.c @@ -118,6 +118,7 @@ static const struct iommu_ops ops = iommu_ops_from_fwnode(fwnode); if ((ops && !ops->of_xlate) || + !of_device_is_available(iommu_spec->np) || (!ops && !of_iommu_driver_present(iommu_spec->np))) return NULL; @@ -236,6 +237,12 @@ const struct iommu_ops *of_iommu_configure(struct device *dev, ops = ERR_PTR(err); } + /* Ignore all other errors apart from EPROBE_DEFER */ + if (IS_ERR(ops) && (PTR_ERR(ops) != -EPROBE_DEFER)) { + dev_dbg(dev, "Adding to IOMMU failed: %ld\n", PTR_ERR(ops)); + ops = NULL; + } + return ops; } diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index eb7fbe1..929f855 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -140,7 +140,7 @@ static inline void gic_map_to_vpe(unsigned int intr, unsigned int vpe) } #ifdef CONFIG_CLKSRC_MIPS_GIC -u64 gic_read_count(void) +u64 notrace gic_read_count(void) { unsigned int hi, hi2, lo; @@ -167,7 +167,7 @@ unsigned int gic_get_count_width(void) return bits; } -void gic_write_compare(u64 cnt) +void notrace gic_write_compare(u64 cnt) { if (mips_cm_is64) { gic_write(GIC_REG(VPE_LOCAL, GIC_VPE_COMPARE), cnt); @@ -179,7 +179,7 @@ void gic_write_compare(u64 cnt) } } -void gic_write_cpu_compare(u64 cnt, int cpu) +void notrace gic_write_cpu_compare(u64 cnt, int cpu) { unsigned long flags; diff --git a/drivers/irqchip/irq-xtensa-mx.c b/drivers/irqchip/irq-xtensa-mx.c index bb3ac5f..72a391e 100644 --- a/drivers/irqchip/irq-xtensa-mx.c +++ b/drivers/irqchip/irq-xtensa-mx.c @@ -142,7 +142,7 @@ static struct irq_chip xtensa_mx_irq_chip = { int __init xtensa_mx_init_legacy(struct device_node *interrupt_parent) { struct irq_domain *root_domain = - irq_domain_add_legacy(NULL, NR_IRQS, 0, 0, + irq_domain_add_legacy(NULL, NR_IRQS - 1, 1, 0, &xtensa_mx_irq_domain_ops, &xtensa_mx_irq_chip); irq_set_default_host(root_domain); diff --git a/drivers/irqchip/irq-xtensa-pic.c b/drivers/irqchip/irq-xtensa-pic.c index 472ae17..f728755 100644 --- a/drivers/irqchip/irq-xtensa-pic.c +++ b/drivers/irqchip/irq-xtensa-pic.c @@ -89,7 +89,7 @@ static struct irq_chip xtensa_irq_chip = { int __init xtensa_pic_init_legacy(struct device_node *interrupt_parent) { struct irq_domain *root_domain = - irq_domain_add_legacy(NULL, NR_IRQS, 0, 0, + irq_domain_add_legacy(NULL, NR_IRQS - 1, 1, 0, &xtensa_irq_domain_ops, &xtensa_irq_chip); irq_set_default_host(root_domain); return 0; diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c index d07dd51..8aa158a 100644 --- a/drivers/isdn/i4l/isdn_ppp.c +++ b/drivers/isdn/i4l/isdn_ppp.c @@ -2364,7 +2364,7 @@ static struct ippp_ccp_reset_state *isdn_ppp_ccp_reset_alloc_state(struct ippp_s id); return NULL; } else { - rs = kzalloc(sizeof(struct ippp_ccp_reset_state), GFP_KERNEL); + rs = kzalloc(sizeof(struct ippp_ccp_reset_state), GFP_ATOMIC); if (!rs) return NULL; rs->state = CCPResetIdle; diff --git a/drivers/isdn/mISDN/stack.c b/drivers/isdn/mISDN/stack.c index 8b7faea..422dced 100644 --- a/drivers/isdn/mISDN/stack.c +++ b/drivers/isdn/mISDN/stack.c @@ -75,7 +75,7 @@ send_socklist(struct mISDN_sock_list *sl, struct sk_buff *skb) if (sk->sk_state != MISDN_BOUND) continue; if (!cskb) - cskb = skb_copy(skb, GFP_KERNEL); + cskb = skb_copy(skb, GFP_ATOMIC); if (!cskb) { printk(KERN_WARNING "%s no skb\n", __func__); break; diff --git a/drivers/leds/leds-bcm6328.c b/drivers/leds/leds-bcm6328.c index 1548259..2cfd938 100644 --- a/drivers/leds/leds-bcm6328.c +++ b/drivers/leds/leds-bcm6328.c @@ -242,7 +242,7 @@ static int bcm6328_hwled(struct device *dev, struct device_node *nc, u32 reg, spin_lock_irqsave(lock, flags); val = bcm6328_led_read(addr); - val |= (BIT(reg) << (((sel % 4) * 4) + 16)); + val |= (BIT(reg % 4) << (((sel % 4) * 4) + 16)); bcm6328_led_write(addr, val); spin_unlock_irqrestore(lock, flags); } @@ -269,7 +269,7 @@ static int bcm6328_hwled(struct device *dev, struct device_node *nc, u32 reg, spin_lock_irqsave(lock, flags); val = bcm6328_led_read(addr); - val |= (BIT(reg) << ((sel % 4) * 4)); + val |= (BIT(reg % 4) << ((sel % 4) * 4)); bcm6328_led_write(addr, val); spin_unlock_irqrestore(lock, flags); } diff --git a/drivers/leds/trigger/ledtrig-heartbeat.c b/drivers/leds/trigger/ledtrig-heartbeat.c index afa3b40..e95ea65 100644 --- a/drivers/leds/trigger/ledtrig-heartbeat.c +++ b/drivers/leds/trigger/ledtrig-heartbeat.c @@ -20,7 +20,6 @@ #include <linux/sched/loadavg.h> #include <linux/leds.h> #include <linux/reboot.h> -#include <linux/suspend.h> #include "../leds.h" static int panic_heartbeats; @@ -163,30 +162,6 @@ static struct led_trigger heartbeat_led_trigger = { .deactivate = heartbeat_trig_deactivate, }; -static int heartbeat_pm_notifier(struct notifier_block *nb, - unsigned long pm_event, void *unused) -{ - int rc; - - switch (pm_event) { - case PM_SUSPEND_PREPARE: - case PM_HIBERNATION_PREPARE: - case PM_RESTORE_PREPARE: - led_trigger_unregister(&heartbeat_led_trigger); - break; - case PM_POST_SUSPEND: - case PM_POST_HIBERNATION: - case PM_POST_RESTORE: - rc = led_trigger_register(&heartbeat_led_trigger); - if (rc) - pr_err("could not re-register heartbeat trigger\n"); - break; - default: - break; - } - return NOTIFY_DONE; -} - static int heartbeat_reboot_notifier(struct notifier_block *nb, unsigned long code, void *unused) { @@ -201,10 +176,6 @@ static int heartbeat_panic_notifier(struct notifier_block *nb, return NOTIFY_DONE; } -static struct notifier_block heartbeat_pm_nb = { - .notifier_call = heartbeat_pm_notifier, -}; - static struct notifier_block heartbeat_reboot_nb = { .notifier_call = heartbeat_reboot_notifier, }; @@ -221,14 +192,12 @@ static int __init heartbeat_trig_init(void) atomic_notifier_chain_register(&panic_notifier_list, &heartbeat_panic_nb); register_reboot_notifier(&heartbeat_reboot_nb); - register_pm_notifier(&heartbeat_pm_nb); } return rc; } static void __exit heartbeat_trig_exit(void) { - unregister_pm_notifier(&heartbeat_pm_nb); unregister_reboot_notifier(&heartbeat_reboot_nb); atomic_notifier_chain_unregister(&panic_notifier_list, &heartbeat_panic_nb); diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c index bf7419a..f4eace5 100644 --- a/drivers/md/bitmap.c +++ b/drivers/md/bitmap.c @@ -485,10 +485,10 @@ void bitmap_print_sb(struct bitmap *bitmap) pr_debug(" magic: %08x\n", le32_to_cpu(sb->magic)); pr_debug(" version: %d\n", le32_to_cpu(sb->version)); pr_debug(" uuid: %08x.%08x.%08x.%08x\n", - *(__u32 *)(sb->uuid+0), - *(__u32 *)(sb->uuid+4), - *(__u32 *)(sb->uuid+8), - *(__u32 *)(sb->uuid+12)); + le32_to_cpu(*(__u32 *)(sb->uuid+0)), + le32_to_cpu(*(__u32 *)(sb->uuid+4)), + le32_to_cpu(*(__u32 *)(sb->uuid+8)), + le32_to_cpu(*(__u32 *)(sb->uuid+12))); pr_debug(" events: %llu\n", (unsigned long long) le64_to_cpu(sb->events)); pr_debug("events cleared: %llu\n", diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c index cd81395..840c149 100644 --- a/drivers/md/dm-bufio.c +++ b/drivers/md/dm-bufio.c @@ -1334,7 +1334,7 @@ int dm_bufio_issue_flush(struct dm_bufio_client *c) { struct dm_io_request io_req = { .bi_op = REQ_OP_WRITE, - .bi_op_flags = REQ_PREFLUSH, + .bi_op_flags = REQ_PREFLUSH | REQ_SYNC, .mem.type = DM_IO_KMEM, .mem.ptr.addr = NULL, .client = c->dm_io, diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index c7f7c8d..93b1810 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -783,7 +783,8 @@ static void write_journal(struct dm_integrity_c *ic, unsigned commit_start, unsi for (i = 0; i < commit_sections; i++) rw_section_mac(ic, commit_start + i, true); } - rw_journal(ic, REQ_OP_WRITE, REQ_FUA, commit_start, commit_sections, &io_comp); + rw_journal(ic, REQ_OP_WRITE, REQ_FUA | REQ_SYNC, commit_start, + commit_sections, &io_comp); } else { unsigned to_end; io_comp.in_flight = (atomic_t)ATOMIC_INIT(2); @@ -1104,10 +1105,13 @@ static void schedule_autocommit(struct dm_integrity_c *ic) static void submit_flush_bio(struct dm_integrity_c *ic, struct dm_integrity_io *dio) { struct bio *bio; - spin_lock_irq(&ic->endio_wait.lock); + unsigned long flags; + + spin_lock_irqsave(&ic->endio_wait.lock, flags); bio = dm_bio_from_per_bio_data(dio, sizeof(struct dm_integrity_io)); bio_list_add(&ic->flush_bio_list, bio); - spin_unlock_irq(&ic->endio_wait.lock); + spin_unlock_irqrestore(&ic->endio_wait.lock, flags); + queue_work(ic->commit_wq, &ic->commit_work); } @@ -2374,21 +2378,6 @@ static void dm_integrity_set(struct dm_target *ti, struct dm_integrity_c *ic) blk_queue_max_integrity_segments(disk->queue, UINT_MAX); } -/* FIXME: use new kvmalloc */ -static void *dm_integrity_kvmalloc(size_t size, gfp_t gfp) -{ - void *ptr = NULL; - - if (size <= PAGE_SIZE) - ptr = kmalloc(size, GFP_KERNEL | gfp); - if (!ptr && size <= KMALLOC_MAX_SIZE) - ptr = kmalloc(size, GFP_KERNEL | __GFP_NOWARN | __GFP_NORETRY | gfp); - if (!ptr) - ptr = __vmalloc(size, GFP_KERNEL | gfp, PAGE_KERNEL); - - return ptr; -} - static void dm_integrity_free_page_list(struct dm_integrity_c *ic, struct page_list *pl) { unsigned i; @@ -2407,7 +2396,7 @@ static struct page_list *dm_integrity_alloc_page_list(struct dm_integrity_c *ic) struct page_list *pl; unsigned i; - pl = dm_integrity_kvmalloc(page_list_desc_size, __GFP_ZERO); + pl = kvmalloc(page_list_desc_size, GFP_KERNEL | __GFP_ZERO); if (!pl) return NULL; @@ -2437,7 +2426,7 @@ static struct scatterlist **dm_integrity_alloc_journal_scatterlist(struct dm_int struct scatterlist **sl; unsigned i; - sl = dm_integrity_kvmalloc(ic->journal_sections * sizeof(struct scatterlist *), __GFP_ZERO); + sl = kvmalloc(ic->journal_sections * sizeof(struct scatterlist *), GFP_KERNEL | __GFP_ZERO); if (!sl) return NULL; @@ -2453,7 +2442,7 @@ static struct scatterlist **dm_integrity_alloc_journal_scatterlist(struct dm_int n_pages = (end_index - start_index + 1); - s = dm_integrity_kvmalloc(n_pages * sizeof(struct scatterlist), 0); + s = kvmalloc(n_pages * sizeof(struct scatterlist), GFP_KERNEL); if (!s) { dm_integrity_free_journal_scatterlist(ic, sl); return NULL; @@ -2617,7 +2606,7 @@ static int create_journal(struct dm_integrity_c *ic, char **error) goto bad; } - sg = dm_integrity_kvmalloc((ic->journal_pages + 1) * sizeof(struct scatterlist), 0); + sg = kvmalloc((ic->journal_pages + 1) * sizeof(struct scatterlist), GFP_KERNEL); if (!sg) { *error = "Unable to allocate sg list"; r = -ENOMEM; @@ -2673,7 +2662,7 @@ static int create_journal(struct dm_integrity_c *ic, char **error) r = -ENOMEM; goto bad; } - ic->sk_requests = dm_integrity_kvmalloc(ic->journal_sections * sizeof(struct skcipher_request *), __GFP_ZERO); + ic->sk_requests = kvmalloc(ic->journal_sections * sizeof(struct skcipher_request *), GFP_KERNEL | __GFP_ZERO); if (!ic->sk_requests) { *error = "Unable to allocate sk requests"; r = -ENOMEM; @@ -2740,7 +2729,7 @@ retest_commit_id: r = -ENOMEM; goto bad; } - ic->journal_tree = dm_integrity_kvmalloc(journal_tree_size, 0); + ic->journal_tree = kvmalloc(journal_tree_size, GFP_KERNEL); if (!ic->journal_tree) { *error = "Could not allocate memory for journal tree"; r = -ENOMEM; @@ -3054,6 +3043,11 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv) ti->error = "The device is too small"; goto bad; } + if (ti->len > ic->provided_data_sectors) { + r = -EINVAL; + ti->error = "Not enough provided sectors for requested mapping size"; + goto bad; + } if (!buffer_sectors) buffer_sectors = 1; diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c index 3702e50..8d5ca30 100644 --- a/drivers/md/dm-io.c +++ b/drivers/md/dm-io.c @@ -317,8 +317,8 @@ static void do_region(int op, int op_flags, unsigned region, else if (op == REQ_OP_WRITE_SAME) special_cmd_max_sectors = q->limits.max_write_same_sectors; if ((op == REQ_OP_DISCARD || op == REQ_OP_WRITE_ZEROES || - op == REQ_OP_WRITE_SAME) && - special_cmd_max_sectors == 0) { + op == REQ_OP_WRITE_SAME) && special_cmd_max_sectors == 0) { + atomic_inc(&io->count); dec_count(io, region, -EOPNOTSUPP); return; } diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index 0555b44..41852ae 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1710,12 +1710,13 @@ static int copy_params(struct dm_ioctl __user *user, struct dm_ioctl *param_kern } /* - * Try to avoid low memory issues when a device is suspended. + * Use __GFP_HIGH to avoid low memory issues when a device is + * suspended and the ioctl is needed to resume it. * Use kmalloc() rather than vmalloc() when we can. */ dmi = NULL; noio_flag = memalloc_noio_save(); - dmi = kvmalloc(param_kernel->data_size, GFP_KERNEL); + dmi = kvmalloc(param_kernel->data_size, GFP_KERNEL | __GFP_HIGH); memalloc_noio_restore(noio_flag); if (!dmi) { diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 7d89322..b4b75da 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -1927,7 +1927,7 @@ struct dm_raid_superblock { /******************************************************************** * BELOW FOLLOW V1.9.0 EXTENSIONS TO THE PRISTINE SUPERBLOCK FORMAT!!! * - * FEATURE_FLAG_SUPPORTS_V190 in the features member indicates that those exist + * FEATURE_FLAG_SUPPORTS_V190 in the compat_features member indicates that those exist */ __le32 flags; /* Flags defining array states for reshaping */ @@ -2092,6 +2092,11 @@ static void super_sync(struct mddev *mddev, struct md_rdev *rdev) sb->layout = cpu_to_le32(mddev->layout); sb->stripe_sectors = cpu_to_le32(mddev->chunk_sectors); + /******************************************************************** + * BELOW FOLLOW V1.9.0 EXTENSIONS TO THE PRISTINE SUPERBLOCK FORMAT!!! + * + * FEATURE_FLAG_SUPPORTS_V190 in the compat_features member indicates that those exist + */ sb->new_level = cpu_to_le32(mddev->new_level); sb->new_layout = cpu_to_le32(mddev->new_layout); sb->new_stripe_sectors = cpu_to_le32(mddev->new_chunk_sectors); @@ -2438,8 +2443,14 @@ static int super_validate(struct raid_set *rs, struct md_rdev *rdev) mddev->bitmap_info.default_offset = mddev->bitmap_info.offset; if (!test_and_clear_bit(FirstUse, &rdev->flags)) { - /* Retrieve device size stored in superblock to be prepared for shrink */ - rdev->sectors = le64_to_cpu(sb->sectors); + /* + * Retrieve rdev size stored in superblock to be prepared for shrink. + * Check extended superblock members are present otherwise the size + * will not be set! + */ + if (le32_to_cpu(sb->compat_features) & FEATURE_FLAG_SUPPORTS_V190) + rdev->sectors = le64_to_cpu(sb->sectors); + rdev->recovery_offset = le64_to_cpu(sb->disk_recovery_offset); if (rdev->recovery_offset == MaxSector) set_bit(In_sync, &rdev->flags); diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index a95cbb8..4da8858 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -145,6 +145,7 @@ static void dispatch_bios(void *context, struct bio_list *bio_list) struct dm_raid1_bio_record { struct mirror *m; + /* if details->bi_bdev == NULL, details were not saved */ struct dm_bio_details details; region_t write_region; }; @@ -260,7 +261,7 @@ static int mirror_flush(struct dm_target *ti) struct mirror *m; struct dm_io_request io_req = { .bi_op = REQ_OP_WRITE, - .bi_op_flags = REQ_PREFLUSH, + .bi_op_flags = REQ_PREFLUSH | REQ_SYNC, .mem.type = DM_IO_KMEM, .mem.ptr.addr = NULL, .client = ms->io_client, @@ -1198,6 +1199,8 @@ static int mirror_map(struct dm_target *ti, struct bio *bio) struct dm_raid1_bio_record *bio_record = dm_per_bio_data(bio, sizeof(struct dm_raid1_bio_record)); + bio_record->details.bi_bdev = NULL; + if (rw == WRITE) { /* Save region for mirror_end_io() handler */ bio_record->write_region = dm_rh_bio_to_region(ms->rh, bio); @@ -1256,12 +1259,22 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) } if (error == -EOPNOTSUPP) - return error; + goto out; if ((error == -EWOULDBLOCK) && (bio->bi_opf & REQ_RAHEAD)) - return error; + goto out; if (unlikely(error)) { + if (!bio_record->details.bi_bdev) { + /* + * There wasn't enough memory to record necessary + * information for a retry or there was no other + * mirror in-sync. + */ + DMERR_LIMIT("Mirror read failed."); + return -EIO; + } + m = bio_record->m; DMERR("Mirror read failed from %s. Trying alternative device.", @@ -1277,6 +1290,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) bd = &bio_record->details; dm_bio_restore(bd, bio); + bio_record->details.bi_bdev = NULL; bio->bi_error = 0; queue_bio(ms, bio, rw); @@ -1285,6 +1299,9 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, int error) DMERR("All replicated volumes dead, failing I/O"); } +out: + bio_record->details.bi_bdev = NULL; + return error; } diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c index b93476c..c5534d2 100644 --- a/drivers/md/dm-snap-persistent.c +++ b/drivers/md/dm-snap-persistent.c @@ -741,7 +741,8 @@ static void persistent_commit_exception(struct dm_exception_store *store, /* * Commit exceptions to disk. */ - if (ps->valid && area_io(ps, REQ_OP_WRITE, REQ_PREFLUSH | REQ_FUA)) + if (ps->valid && area_io(ps, REQ_OP_WRITE, + REQ_PREFLUSH | REQ_FUA | REQ_SYNC)) ps->valid = 0; /* diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 17ad50d..28808e5 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -1094,6 +1094,19 @@ static void process_prepared_discard_passdown_pt1(struct dm_thin_new_mapping *m) return; } + /* + * Increment the unmapped blocks. This prevents a race between the + * passdown io and reallocation of freed blocks. + */ + r = dm_pool_inc_data_range(pool->pmd, m->data_block, data_end); + if (r) { + metadata_operation_failed(pool, "dm_pool_inc_data_range", r); + bio_io_error(m->bio); + cell_defer_no_holder(tc, m->cell); + mempool_free(m, pool->mapping_pool); + return; + } + discard_parent = bio_alloc(GFP_NOIO, 1); if (!discard_parent) { DMWARN("%s: unable to allocate top level discard bio for passdown. Skipping passdown.", @@ -1114,19 +1127,6 @@ static void process_prepared_discard_passdown_pt1(struct dm_thin_new_mapping *m) end_discard(&op, r); } } - - /* - * Increment the unmapped blocks. This prevents a race between the - * passdown io and reallocation of freed blocks. - */ - r = dm_pool_inc_data_range(pool->pmd, m->data_block, data_end); - if (r) { - metadata_operation_failed(pool, "dm_pool_inc_data_range", r); - bio_io_error(m->bio); - cell_defer_no_holder(tc, m->cell); - mempool_free(m, pool->mapping_pool); - return; - } } static void process_prepared_discard_passdown_pt2(struct dm_thin_new_mapping *m) diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c index 97de961..1ec9b2c 100644 --- a/drivers/md/dm-verity-target.c +++ b/drivers/md/dm-verity-target.c @@ -166,7 +166,7 @@ static int verity_hash_init(struct dm_verity *v, struct ahash_request *req, return r; } - if (likely(v->version >= 1)) + if (likely(v->salt_size && (v->version >= 1))) r = verity_hash_update(v, req, v->salt, v->salt_size, res); return r; @@ -177,7 +177,7 @@ static int verity_hash_final(struct dm_verity *v, struct ahash_request *req, { int r; - if (unlikely(!v->version)) { + if (unlikely(v->salt_size && (!v->version))) { r = verity_hash_update(v, req, v->salt, v->salt_size, res); if (r < 0) { diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 6ef9500..37ccd73 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1657,7 +1657,7 @@ static struct mapped_device *alloc_dev(int minor) bio_init(&md->flush_bio, NULL, 0); md->flush_bio.bi_bdev = md->bdev; - md->flush_bio.bi_opf = REQ_OP_WRITE | REQ_PREFLUSH; + md->flush_bio.bi_opf = REQ_OP_WRITE | REQ_PREFLUSH | REQ_SYNC; dm_stats_init(&md->stats); diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index 7299ce2..03082e1 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -1311,8 +1311,10 @@ static int add_new_disk(struct mddev *mddev, struct md_rdev *rdev) cmsg.raid_slot = cpu_to_le32(rdev->desc_nr); lock_comm(cinfo, 1); ret = __sendmsg(cinfo, &cmsg); - if (ret) + if (ret) { + unlock_comm(cinfo); return ret; + } cinfo->no_new_dev_lockres->flags |= DLM_LKF_NOQUEUE; ret = dlm_lock_sync(cinfo->no_new_dev_lockres, DLM_LOCK_EX); cinfo->no_new_dev_lockres->flags &= ~DLM_LKF_NOQUEUE; diff --git a/drivers/md/md.c b/drivers/md/md.c index 10367ff..87edc34 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -765,7 +765,7 @@ void md_super_write(struct mddev *mddev, struct md_rdev *rdev, test_bit(FailFast, &rdev->flags) && !test_bit(LastDev, &rdev->flags)) ff = MD_FAILFAST; - bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH | REQ_FUA | ff; + bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH | REQ_FUA | ff; atomic_inc(&mddev->pending_writes); submit_bio(bio); @@ -5174,6 +5174,18 @@ static void mddev_delayed_delete(struct work_struct *ws) static void no_op(struct percpu_ref *r) {} +int mddev_init_writes_pending(struct mddev *mddev) +{ + if (mddev->writes_pending.percpu_count_ptr) + return 0; + if (percpu_ref_init(&mddev->writes_pending, no_op, 0, GFP_KERNEL) < 0) + return -ENOMEM; + /* We want to start with the refcount at zero */ + percpu_ref_put(&mddev->writes_pending); + return 0; +} +EXPORT_SYMBOL_GPL(mddev_init_writes_pending); + static int md_alloc(dev_t dev, char *name) { /* @@ -5239,10 +5251,6 @@ static int md_alloc(dev_t dev, char *name) blk_queue_make_request(mddev->queue, md_make_request); blk_set_stacking_limits(&mddev->queue->limits); - if (percpu_ref_init(&mddev->writes_pending, no_op, 0, GFP_KERNEL) < 0) - goto abort; - /* We want to start with the refcount at zero */ - percpu_ref_put(&mddev->writes_pending); disk = alloc_disk(1 << shift); if (!disk) { blk_cleanup_queue(mddev->queue); diff --git a/drivers/md/md.h b/drivers/md/md.h index 11f1514..0fa1de4 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -648,6 +648,7 @@ extern void md_unregister_thread(struct md_thread **threadp); extern void md_wakeup_thread(struct md_thread *thread); extern void md_check_recovery(struct mddev *mddev); extern void md_reap_sync_thread(struct mddev *mddev); +extern int mddev_init_writes_pending(struct mddev *mddev); extern void md_write_start(struct mddev *mddev, struct bio *bi); extern void md_write_inc(struct mddev *mddev, struct bio *bi); extern void md_write_end(struct mddev *mddev); diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index af5056d..e1a7e3d 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -3063,6 +3063,8 @@ static int raid1_run(struct mddev *mddev) mdname(mddev)); return -EIO; } + if (mddev_init_writes_pending(mddev) < 0) + return -ENOMEM; /* * copy the already verified devices into our private RAID1 * bookkeeping area. [whatever we allocate in run(), diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 4343d7f..797ed60 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3611,6 +3611,9 @@ static int raid10_run(struct mddev *mddev) int first = 1; bool discard_supported = false; + if (mddev_init_writes_pending(mddev) < 0) + return -ENOMEM; + if (mddev->private == NULL) { conf = setup_conf(mddev); if (IS_ERR(conf)) diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index 4c00bc2..0a7af8b 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -1782,7 +1782,7 @@ static int r5l_log_write_empty_meta_block(struct r5l_log *log, sector_t pos, mb->checksum = cpu_to_le32(crc32c_le(log->uuid_checksum, mb, PAGE_SIZE)); if (!sync_page_io(log->rdev, pos, PAGE_SIZE, page, REQ_OP_WRITE, - REQ_FUA, false)) { + REQ_SYNC | REQ_FUA, false)) { __free_page(page); return -EIO; } @@ -2388,7 +2388,7 @@ r5c_recovery_rewrite_data_only_stripes(struct r5l_log *log, mb->checksum = cpu_to_le32(crc32c_le(log->uuid_checksum, mb, PAGE_SIZE)); sync_page_io(log->rdev, ctx->pos, PAGE_SIZE, page, - REQ_OP_WRITE, REQ_FUA, false); + REQ_OP_WRITE, REQ_SYNC | REQ_FUA, false); sh->log_start = ctx->pos; list_add_tail(&sh->r5c, &log->stripe_in_journal_list); atomic_inc(&log->stripe_in_journal_count); diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c index 5d25beb..ccce92e 100644 --- a/drivers/md/raid5-ppl.c +++ b/drivers/md/raid5-ppl.c @@ -907,8 +907,8 @@ static int ppl_write_empty_header(struct ppl_log *log) pplhdr->checksum = cpu_to_le32(~crc32c_le(~0, pplhdr, PAGE_SIZE)); if (!sync_page_io(rdev, rdev->ppl.sector - rdev->data_offset, - PPL_HEADER_SIZE, page, REQ_OP_WRITE | REQ_FUA, 0, - false)) { + PPL_HEADER_SIZE, page, REQ_OP_WRITE | REQ_SYNC | + REQ_FUA, 0, false)) { md_error(rdev->mddev, rdev); ret = -EIO; } diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 9c4f765..ec0f951 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -4085,10 +4085,15 @@ static void handle_parity_checks5(struct r5conf *conf, struct stripe_head *sh, set_bit(STRIPE_INSYNC, &sh->state); else { atomic64_add(STRIPE_SECTORS, &conf->mddev->resync_mismatches); - if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) + if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) { /* don't try to repair!! */ set_bit(STRIPE_INSYNC, &sh->state); - else { + pr_warn_ratelimited("%s: mismatch sector in range " + "%llu-%llu\n", mdname(conf->mddev), + (unsigned long long) sh->sector, + (unsigned long long) sh->sector + + STRIPE_SECTORS); + } else { sh->check_state = check_state_compute_run; set_bit(STRIPE_COMPUTE_RUN, &sh->state); set_bit(STRIPE_OP_COMPUTE_BLK, &s->ops_request); @@ -4237,10 +4242,15 @@ static void handle_parity_checks6(struct r5conf *conf, struct stripe_head *sh, } } else { atomic64_add(STRIPE_SECTORS, &conf->mddev->resync_mismatches); - if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) + if (test_bit(MD_RECOVERY_CHECK, &conf->mddev->recovery)) { /* don't try to repair!! */ set_bit(STRIPE_INSYNC, &sh->state); - else { + pr_warn_ratelimited("%s: mismatch sector in range " + "%llu-%llu\n", mdname(conf->mddev), + (unsigned long long) sh->sector, + (unsigned long long) sh->sector + + STRIPE_SECTORS); + } else { int *target = &sh->ops.target; sh->ops.target = -1; @@ -7108,6 +7118,9 @@ static int raid5_run(struct mddev *mddev) long long min_offset_diff = 0; int first = 1; + if (mddev_init_writes_pending(mddev) < 0) + return -ENOMEM; + if (mddev->recovery_cp != MaxSector) pr_notice("md/raid:%s: not clean -- starting background reconstruction\n", mdname(mddev)); diff --git a/drivers/media/Kconfig b/drivers/media/Kconfig index b72edd2..55d9c2b 100644 --- a/drivers/media/Kconfig +++ b/drivers/media/Kconfig @@ -2,6 +2,12 @@ # Multimedia device configuration # +config CEC_CORE + tristate + +config CEC_NOTIFIER + bool + menuconfig MEDIA_SUPPORT tristate "Multimedia support" depends on HAS_IOMEM diff --git a/drivers/media/Makefile b/drivers/media/Makefile index 523fea3..044503a 100644 --- a/drivers/media/Makefile +++ b/drivers/media/Makefile @@ -4,8 +4,6 @@ media-objs := media-device.o media-devnode.o media-entity.o -obj-$(CONFIG_CEC_CORE) += cec/ - # # I2C drivers should come before other drivers, otherwise they'll fail # when compiled as builtin drivers @@ -26,6 +24,8 @@ obj-$(CONFIG_DVB_CORE) += dvb-core/ # There are both core and drivers at RC subtree - merge before drivers obj-y += rc/ +obj-$(CONFIG_CEC_CORE) += cec/ + # # Finally, merge the drivers that require the core # diff --git a/drivers/media/cec/Kconfig b/drivers/media/cec/Kconfig index f944d93..43428cec 100644 --- a/drivers/media/cec/Kconfig +++ b/drivers/media/cec/Kconfig @@ -1,19 +1,6 @@ -config CEC_CORE - tristate - depends on MEDIA_CEC_SUPPORT - default y - -config MEDIA_CEC_NOTIFIER - bool - config MEDIA_CEC_RC bool "HDMI CEC RC integration" depends on CEC_CORE && RC_CORE + depends on CEC_CORE=m || RC_CORE=y ---help--- Pass on CEC remote control messages to the RC framework. - -config MEDIA_CEC_DEBUG - bool "HDMI CEC debugfs interface" - depends on CEC_CORE && DEBUG_FS - ---help--- - Turns on the DebugFS interface for CEC devices. diff --git a/drivers/media/cec/Makefile b/drivers/media/cec/Makefile index 402a6c6..eaf408e 100644 --- a/drivers/media/cec/Makefile +++ b/drivers/media/cec/Makefile @@ -1,6 +1,6 @@ cec-objs := cec-core.o cec-adap.o cec-api.o cec-edid.o -ifeq ($(CONFIG_MEDIA_CEC_NOTIFIER),y) +ifeq ($(CONFIG_CEC_NOTIFIER),y) cec-objs += cec-notifier.o endif diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c index f5fe01c..9dfc798 100644 --- a/drivers/media/cec/cec-adap.c +++ b/drivers/media/cec/cec-adap.c @@ -1864,7 +1864,7 @@ void cec_monitor_all_cnt_dec(struct cec_adapter *adap) WARN_ON(call_op(adap, adap_monitor_all_enable, 0)); } -#ifdef CONFIG_MEDIA_CEC_DEBUG +#ifdef CONFIG_DEBUG_FS /* * Log the current state of the CEC adapter. * Very useful for debugging. diff --git a/drivers/media/cec/cec-api.c b/drivers/media/cec/cec-api.c index 0860fb4..999926f 100644 --- a/drivers/media/cec/cec-api.c +++ b/drivers/media/cec/cec-api.c @@ -271,16 +271,10 @@ static long cec_receive(struct cec_adapter *adap, struct cec_fh *fh, bool block, struct cec_msg __user *parg) { struct cec_msg msg = {}; - long err = 0; + long err; if (copy_from_user(&msg, parg, sizeof(msg))) return -EFAULT; - mutex_lock(&adap->lock); - if (!adap->is_configured && fh->mode_follower < CEC_MODE_MONITOR) - err = -ENONET; - mutex_unlock(&adap->lock); - if (err) - return err; err = cec_receive_msg(fh, &msg, block); if (err) diff --git a/drivers/media/cec/cec-core.c b/drivers/media/cec/cec-core.c index f9ebff9..2f87748 100644 --- a/drivers/media/cec/cec-core.c +++ b/drivers/media/cec/cec-core.c @@ -187,7 +187,7 @@ static void cec_devnode_unregister(struct cec_devnode *devnode) put_device(&devnode->dev); } -#ifdef CONFIG_MEDIA_CEC_NOTIFIER +#ifdef CONFIG_CEC_NOTIFIER static void cec_cec_notify(struct cec_adapter *adap, u16 pa) { cec_s_phys_addr(adap, pa, false); @@ -323,7 +323,7 @@ int cec_register_adapter(struct cec_adapter *adap, } dev_set_drvdata(&adap->devnode.dev, adap); -#ifdef CONFIG_MEDIA_CEC_DEBUG +#ifdef CONFIG_DEBUG_FS if (!top_cec_dir) return 0; @@ -355,7 +355,7 @@ void cec_unregister_adapter(struct cec_adapter *adap) adap->rc = NULL; #endif debugfs_remove_recursive(adap->cec_dir); -#ifdef CONFIG_MEDIA_CEC_NOTIFIER +#ifdef CONFIG_CEC_NOTIFIER if (adap->notifier) cec_notifier_unregister(adap->notifier); #endif @@ -395,7 +395,7 @@ static int __init cec_devnode_init(void) return ret; } -#ifdef CONFIG_MEDIA_CEC_DEBUG +#ifdef CONFIG_DEBUG_FS top_cec_dir = debugfs_create_dir("cec", NULL); if (IS_ERR_OR_NULL(top_cec_dir)) { pr_warn("cec: Failed to create debugfs cec dir\n"); diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index fd181c9..aaa9471 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -220,7 +220,8 @@ config VIDEO_ADV7604 config VIDEO_ADV7604_CEC bool "Enable Analog Devices ADV7604 CEC support" - depends on VIDEO_ADV7604 && CEC_CORE + depends on VIDEO_ADV7604 + select CEC_CORE ---help--- When selected the adv7604 will support the optional HDMI CEC feature. @@ -240,7 +241,8 @@ config VIDEO_ADV7842 config VIDEO_ADV7842_CEC bool "Enable Analog Devices ADV7842 CEC support" - depends on VIDEO_ADV7842 && CEC_CORE + depends on VIDEO_ADV7842 + select CEC_CORE ---help--- When selected the adv7842 will support the optional HDMI CEC feature. @@ -478,7 +480,8 @@ config VIDEO_ADV7511 config VIDEO_ADV7511_CEC bool "Enable Analog Devices ADV7511 CEC support" - depends on VIDEO_ADV7511 && CEC_CORE + depends on VIDEO_ADV7511 + select CEC_CORE ---help--- When selected the adv7511 will support the optional HDMI CEC feature. diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c index acef4ec..3251cba 100644 --- a/drivers/media/i2c/tc358743.c +++ b/drivers/media/i2c/tc358743.c @@ -223,7 +223,7 @@ static void i2c_wr8(struct v4l2_subdev *sd, u16 reg, u8 val) static void i2c_wr8_and_or(struct v4l2_subdev *sd, u16 reg, u8 mask, u8 val) { - i2c_wrreg(sd, reg, (i2c_rdreg(sd, reg, 2) & mask) | val, 2); + i2c_wrreg(sd, reg, (i2c_rdreg(sd, reg, 1) & mask) | val, 1); } static u16 i2c_rd16(struct v4l2_subdev *sd, u16 reg) diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index ac026ee..041cb80 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -501,8 +501,9 @@ if CEC_PLATFORM_DRIVERS config VIDEO_SAMSUNG_S5P_CEC tristate "Samsung S5P CEC driver" - depends on CEC_CORE && (PLAT_S5P || ARCH_EXYNOS || COMPILE_TEST) - select MEDIA_CEC_NOTIFIER + depends on PLAT_S5P || ARCH_EXYNOS || COMPILE_TEST + select CEC_CORE + select CEC_NOTIFIER ---help--- This is a driver for Samsung S5P HDMI CEC interface. It uses the generic CEC framework interface. @@ -511,8 +512,9 @@ config VIDEO_SAMSUNG_S5P_CEC config VIDEO_STI_HDMI_CEC tristate "STMicroelectronics STiH4xx HDMI CEC driver" - depends on CEC_CORE && (ARCH_STI || COMPILE_TEST) - select MEDIA_CEC_NOTIFIER + depends on ARCH_STI || COMPILE_TEST + select CEC_CORE + select CEC_NOTIFIER ---help--- This is a driver for STIH4xx HDMI CEC interface. It uses the generic CEC framework interface. diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c index 57a842f..b7731b1 100644 --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c @@ -493,10 +493,10 @@ static int vdec_h264_get_param(unsigned long h_vdec, } static struct vdec_common_if vdec_h264_if = { - vdec_h264_init, - vdec_h264_decode, - vdec_h264_get_param, - vdec_h264_deinit, + .init = vdec_h264_init, + .decode = vdec_h264_decode, + .get_param = vdec_h264_get_param, + .deinit = vdec_h264_deinit, }; struct vdec_common_if *get_h264_dec_comm_if(void); diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c index 6e7a62a..b9fad6a 100644 --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c @@ -620,10 +620,10 @@ static void vdec_vp8_deinit(unsigned long h_vdec) } static struct vdec_common_if vdec_vp8_if = { - vdec_vp8_init, - vdec_vp8_decode, - vdec_vp8_get_param, - vdec_vp8_deinit, + .init = vdec_vp8_init, + .decode = vdec_vp8_decode, + .get_param = vdec_vp8_get_param, + .deinit = vdec_vp8_deinit, }; struct vdec_common_if *get_vp8_dec_comm_if(void); diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c index 5539b18..1daee12 100644 --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c @@ -979,10 +979,10 @@ static int vdec_vp9_get_param(unsigned long h_vdec, } static struct vdec_common_if vdec_vp9_if = { - vdec_vp9_init, - vdec_vp9_decode, - vdec_vp9_get_param, - vdec_vp9_deinit, + .init = vdec_vp9_init, + .decode = vdec_vp9_decode, + .get_param = vdec_vp9_get_param, + .deinit = vdec_vp9_deinit, }; struct vdec_common_if *get_vp9_dec_comm_if(void); diff --git a/drivers/media/platform/vivid/Kconfig b/drivers/media/platform/vivid/Kconfig index b36ac19..154de92 100644 --- a/drivers/media/platform/vivid/Kconfig +++ b/drivers/media/platform/vivid/Kconfig @@ -26,7 +26,8 @@ config VIDEO_VIVID config VIDEO_VIVID_CEC bool "Enable CEC emulation support" - depends on VIDEO_VIVID && CEC_CORE + depends on VIDEO_VIVID + select CEC_CORE ---help--- When selected the vivid module will emulate the optional HDMI CEC feature. diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c index 90f66dc..a2fc1a1 100644 --- a/drivers/media/rc/rc-ir-raw.c +++ b/drivers/media/rc/rc-ir-raw.c @@ -211,7 +211,7 @@ EXPORT_SYMBOL_GPL(ir_raw_event_set_idle); */ void ir_raw_event_handle(struct rc_dev *dev) { - if (!dev->raw) + if (!dev->raw || !dev->raw->thread) return; wake_up_process(dev->raw->thread); @@ -490,6 +490,7 @@ int ir_raw_event_register(struct rc_dev *dev) { int rc; struct ir_raw_handler *handler; + struct task_struct *thread; if (!dev) return -EINVAL; @@ -507,13 +508,15 @@ int ir_raw_event_register(struct rc_dev *dev) * because the event is coming from userspace */ if (dev->driver_type != RC_DRIVER_IR_RAW_TX) { - dev->raw->thread = kthread_run(ir_raw_event_thread, dev->raw, - "rc%u", dev->minor); + thread = kthread_run(ir_raw_event_thread, dev->raw, "rc%u", + dev->minor); - if (IS_ERR(dev->raw->thread)) { - rc = PTR_ERR(dev->raw->thread); + if (IS_ERR(thread)) { + rc = PTR_ERR(thread); goto out; } + + dev->raw->thread = thread; } mutex_lock(&ir_raw_handler_lock); diff --git a/drivers/media/rc/sir_ir.c b/drivers/media/rc/sir_ir.c index e12ec50..90a5f8f 100644 --- a/drivers/media/rc/sir_ir.c +++ b/drivers/media/rc/sir_ir.c @@ -183,9 +183,15 @@ static irqreturn_t sir_interrupt(int irq, void *dev_id) static unsigned long delt; unsigned long deltintr; unsigned long flags; + int counter = 0; int iir, lsr; while ((iir = inb(io + UART_IIR) & UART_IIR_ID)) { + if (++counter > 256) { + dev_err(&sir_ir_dev->dev, "Trapped in interrupt"); + break; + } + switch (iir & UART_IIR_ID) { /* FIXME toto treba preriedit */ case UART_IIR_MSI: (void)inb(io + UART_MSR); diff --git a/drivers/media/usb/pulse8-cec/Kconfig b/drivers/media/usb/pulse8-cec/Kconfig index 8937f39..18ead44 100644 --- a/drivers/media/usb/pulse8-cec/Kconfig +++ b/drivers/media/usb/pulse8-cec/Kconfig @@ -1,6 +1,7 @@ config USB_PULSE8_CEC tristate "Pulse Eight HDMI CEC" - depends on USB_ACM && CEC_CORE + depends on USB_ACM + select CEC_CORE select SERIO select SERIO_SERPORT ---help--- diff --git a/drivers/media/usb/rainshadow-cec/Kconfig b/drivers/media/usb/rainshadow-cec/Kconfig index 3eb8660..030ef01 100644 --- a/drivers/media/usb/rainshadow-cec/Kconfig +++ b/drivers/media/usb/rainshadow-cec/Kconfig @@ -1,6 +1,7 @@ config USB_RAINSHADOW_CEC tristate "RainShadow Tech HDMI CEC" - depends on USB_ACM && CEC_CORE + depends on USB_ACM + select CEC_CORE select SERIO select SERIO_SERPORT ---help--- diff --git a/drivers/media/usb/rainshadow-cec/rainshadow-cec.c b/drivers/media/usb/rainshadow-cec/rainshadow-cec.c index 541ca54..4126552 100644 --- a/drivers/media/usb/rainshadow-cec/rainshadow-cec.c +++ b/drivers/media/usb/rainshadow-cec/rainshadow-cec.c @@ -119,7 +119,7 @@ static void rain_irq_work_handler(struct work_struct *work) while (true) { unsigned long flags; - bool exit_loop; + bool exit_loop = false; char data; spin_lock_irqsave(&rain->buf_lock, flags); @@ -336,6 +336,7 @@ static int rain_connect(struct serio *serio, struct serio_driver *drv) serio_set_drvdata(serio, rain); INIT_WORK(&rain->work, rain_irq_work_handler); mutex_init(&rain->write_lock); + spin_lock_init(&rain->buf_lock); err = serio_open(serio, drv); if (err) diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 94afbbf9..c0175ea 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -868,7 +868,7 @@ EXPORT_SYMBOL_GPL(vb2_core_create_bufs); void *vb2_plane_vaddr(struct vb2_buffer *vb, unsigned int plane_no) { - if (plane_no > vb->num_planes || !vb->planes[plane_no].mem_priv) + if (plane_no >= vb->num_planes || !vb->planes[plane_no].mem_priv) return NULL; return call_ptr_memop(vb, vaddr, vb->planes[plane_no].mem_priv); diff --git a/drivers/memory/atmel-ebi.c b/drivers/memory/atmel-ebi.c index 35910f9..99e644c 100644 --- a/drivers/memory/atmel-ebi.c +++ b/drivers/memory/atmel-ebi.c @@ -581,7 +581,7 @@ static int atmel_ebi_probe(struct platform_device *pdev) return of_platform_populate(np, NULL, NULL, dev); } -static int atmel_ebi_resume(struct device *dev) +static __maybe_unused int atmel_ebi_resume(struct device *dev) { struct atmel_ebi *ebi = dev_get_drvdata(dev); struct atmel_ebi_dev *ebid; diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index 75488e6..8d46e3a 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -245,8 +245,7 @@ static int arizona_poll_reg(struct arizona *arizona, int ret; ret = regmap_read_poll_timeout(arizona->regmap, - ARIZONA_INTERRUPT_RAW_STATUS_5, val, - ((val & mask) == target), + reg, val, ((val & mask) == target), ARIZONA_REG_POLL_DELAY_US, timeout_ms * 1000); if (ret) diff --git a/drivers/misc/cxl/context.c b/drivers/misc/cxl/context.c index 4472ce1..8c32040 100644 --- a/drivers/misc/cxl/context.c +++ b/drivers/misc/cxl/context.c @@ -45,7 +45,7 @@ int cxl_context_init(struct cxl_context *ctx, struct cxl_afu *afu, bool master) mutex_init(&ctx->mapping_lock); ctx->mapping = NULL; - if (cxl_is_psl8(afu)) { + if (cxl_is_power8()) { spin_lock_init(&ctx->sste_lock); /* @@ -189,7 +189,7 @@ int cxl_context_iomap(struct cxl_context *ctx, struct vm_area_struct *vma) if (start + len > ctx->afu->adapter->ps_size) return -EINVAL; - if (cxl_is_psl9(ctx->afu)) { + if (cxl_is_power9()) { /* * Make sure there is a valid problem state * area space for this AFU. @@ -324,7 +324,7 @@ static void reclaim_ctx(struct rcu_head *rcu) { struct cxl_context *ctx = container_of(rcu, struct cxl_context, rcu); - if (cxl_is_psl8(ctx->afu)) + if (cxl_is_power8()) free_page((u64)ctx->sstp); if (ctx->ff_page) __free_page(ctx->ff_page); diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h index c8568ea..a03f8e7 100644 --- a/drivers/misc/cxl/cxl.h +++ b/drivers/misc/cxl/cxl.h @@ -357,6 +357,7 @@ static const cxl_p2n_reg_t CXL_PSL_WED_An = {0x0A0}; #define CXL_PSL9_DSISR_An_PF_RGP 0x0000000000000090ULL /* PTE not found (Radix Guest (parent)) 0b10010000 */ #define CXL_PSL9_DSISR_An_PF_HRH 0x0000000000000094ULL /* PTE not found (HPT/Radix Host) 0b10010100 */ #define CXL_PSL9_DSISR_An_PF_STEG 0x000000000000009CULL /* PTE not found (STEG VA) 0b10011100 */ +#define CXL_PSL9_DSISR_An_URTCH 0x00000000000000B4ULL /* Unsupported Radix Tree Configuration 0b10110100 */ /****** CXL_PSL_TFC_An ******************************************************/ #define CXL_PSL_TFC_An_A (1ull << (63-28)) /* Acknowledge non-translation fault */ @@ -844,24 +845,15 @@ static inline bool cxl_is_power8(void) static inline bool cxl_is_power9(void) { - /* intermediate solution */ - if (!cxl_is_power8() && - (cpu_has_feature(CPU_FTRS_POWER9) || - cpu_has_feature(CPU_FTR_POWER9_DD1))) + if (pvr_version_is(PVR_POWER9)) return true; return false; } -static inline bool cxl_is_psl8(struct cxl_afu *afu) +static inline bool cxl_is_power9_dd1(void) { - if (afu->adapter->caia_major == 1) - return true; - return false; -} - -static inline bool cxl_is_psl9(struct cxl_afu *afu) -{ - if (afu->adapter->caia_major == 2) + if ((pvr_version_is(PVR_POWER9)) && + cpu_has_feature(CPU_FTR_POWER9_DD1)) return true; return false; } diff --git a/drivers/misc/cxl/fault.c b/drivers/misc/cxl/fault.c index 5344448..c79e39b 100644 --- a/drivers/misc/cxl/fault.c +++ b/drivers/misc/cxl/fault.c @@ -187,7 +187,7 @@ static struct mm_struct *get_mem_context(struct cxl_context *ctx) static bool cxl_is_segment_miss(struct cxl_context *ctx, u64 dsisr) { - if ((cxl_is_psl8(ctx->afu)) && (dsisr & CXL_PSL_DSISR_An_DS)) + if ((cxl_is_power8() && (dsisr & CXL_PSL_DSISR_An_DS))) return true; return false; @@ -195,16 +195,23 @@ static bool cxl_is_segment_miss(struct cxl_context *ctx, u64 dsisr) static bool cxl_is_page_fault(struct cxl_context *ctx, u64 dsisr) { - if ((cxl_is_psl8(ctx->afu)) && (dsisr & CXL_PSL_DSISR_An_DM)) - return true; + u64 crs; /* Translation Checkout Response Status */ - if ((cxl_is_psl9(ctx->afu)) && - ((dsisr & CXL_PSL9_DSISR_An_CO_MASK) & - (CXL_PSL9_DSISR_An_PF_SLR | CXL_PSL9_DSISR_An_PF_RGC | - CXL_PSL9_DSISR_An_PF_RGP | CXL_PSL9_DSISR_An_PF_HRH | - CXL_PSL9_DSISR_An_PF_STEG))) + if ((cxl_is_power8()) && (dsisr & CXL_PSL_DSISR_An_DM)) return true; + if (cxl_is_power9()) { + crs = (dsisr & CXL_PSL9_DSISR_An_CO_MASK); + if ((crs == CXL_PSL9_DSISR_An_PF_SLR) || + (crs == CXL_PSL9_DSISR_An_PF_RGC) || + (crs == CXL_PSL9_DSISR_An_PF_RGP) || + (crs == CXL_PSL9_DSISR_An_PF_HRH) || + (crs == CXL_PSL9_DSISR_An_PF_STEG) || + (crs == CXL_PSL9_DSISR_An_URTCH)) { + return true; + } + } + return false; } diff --git a/drivers/misc/cxl/file.c b/drivers/misc/cxl/file.c index 17b433f..0761271 100644 --- a/drivers/misc/cxl/file.c +++ b/drivers/misc/cxl/file.c @@ -159,11 +159,8 @@ static long afu_ioctl_start_work(struct cxl_context *ctx, /* Do this outside the status_mutex to avoid a circular dependency with * the locking in cxl_mmap_fault() */ - if (copy_from_user(&work, uwork, - sizeof(struct cxl_ioctl_start_work))) { - rc = -EFAULT; - goto out; - } + if (copy_from_user(&work, uwork, sizeof(work))) + return -EFAULT; mutex_lock(&ctx->status_mutex); if (ctx->status != OPENED) { diff --git a/drivers/misc/cxl/main.c b/drivers/misc/cxl/main.c index 1703655..c1ba0d4 100644 --- a/drivers/misc/cxl/main.c +++ b/drivers/misc/cxl/main.c @@ -329,8 +329,15 @@ static int __init init_cxl(void) cxl_debugfs_init(); - if ((rc = register_cxl_calls(&cxl_calls))) - goto err; + /* + * we don't register the callback on P9. slb callack is only + * used for the PSL8 MMU and CX4. + */ + if (cxl_is_power8()) { + rc = register_cxl_calls(&cxl_calls); + if (rc) + goto err; + } if (cpu_has_feature(CPU_FTR_HVMODE)) { cxl_ops = &cxl_native_ops; @@ -347,7 +354,8 @@ static int __init init_cxl(void) return 0; err1: - unregister_cxl_calls(&cxl_calls); + if (cxl_is_power8()) + unregister_cxl_calls(&cxl_calls); err: cxl_debugfs_exit(); cxl_file_exit(); @@ -366,7 +374,8 @@ static void exit_cxl(void) cxl_debugfs_exit(); cxl_file_exit(); - unregister_cxl_calls(&cxl_calls); + if (cxl_is_power8()) + unregister_cxl_calls(&cxl_calls); idr_destroy(&cxl_adapter_idr); } diff --git a/drivers/misc/cxl/native.c b/drivers/misc/cxl/native.c index 871a2f0..2b2f889 100644 --- a/drivers/misc/cxl/native.c +++ b/drivers/misc/cxl/native.c @@ -105,11 +105,16 @@ static int native_afu_reset(struct cxl_afu *afu) CXL_AFU_Cntl_An_RS_MASK | CXL_AFU_Cntl_An_ES_MASK, false); - /* Re-enable any masked interrupts */ - serr = cxl_p1n_read(afu, CXL_PSL_SERR_An); - serr &= ~CXL_PSL_SERR_An_IRQ_MASKS; - cxl_p1n_write(afu, CXL_PSL_SERR_An, serr); - + /* + * Re-enable any masked interrupts when the AFU is not + * activated to avoid side effects after attaching a process + * in dedicated mode. + */ + if (afu->current_mode == 0) { + serr = cxl_p1n_read(afu, CXL_PSL_SERR_An); + serr &= ~CXL_PSL_SERR_An_IRQ_MASKS; + cxl_p1n_write(afu, CXL_PSL_SERR_An, serr); + } return rc; } @@ -139,9 +144,9 @@ int cxl_psl_purge(struct cxl_afu *afu) pr_devel("PSL purge request\n"); - if (cxl_is_psl8(afu)) + if (cxl_is_power8()) trans_fault = CXL_PSL_DSISR_TRANS; - if (cxl_is_psl9(afu)) + if (cxl_is_power9()) trans_fault = CXL_PSL9_DSISR_An_TF; if (!cxl_ops->link_ok(afu->adapter, afu)) { @@ -603,7 +608,7 @@ static u64 calculate_sr(struct cxl_context *ctx) if (!test_tsk_thread_flag(current, TIF_32BIT)) sr |= CXL_PSL_SR_An_SF; } - if (cxl_is_psl9(ctx->afu)) { + if (cxl_is_power9()) { if (radix_enabled()) sr |= CXL_PSL_SR_An_XLAT_ror; else @@ -1117,10 +1122,10 @@ static irqreturn_t native_handle_psl_slice_error(struct cxl_context *ctx, static bool cxl_is_translation_fault(struct cxl_afu *afu, u64 dsisr) { - if ((cxl_is_psl8(afu)) && (dsisr & CXL_PSL_DSISR_TRANS)) + if ((cxl_is_power8()) && (dsisr & CXL_PSL_DSISR_TRANS)) return true; - if ((cxl_is_psl9(afu)) && (dsisr & CXL_PSL9_DSISR_An_TF)) + if ((cxl_is_power9()) && (dsisr & CXL_PSL9_DSISR_An_TF)) return true; return false; @@ -1194,10 +1199,10 @@ static void native_irq_wait(struct cxl_context *ctx) if (ph != ctx->pe) return; dsisr = cxl_p2n_read(ctx->afu, CXL_PSL_DSISR_An); - if (cxl_is_psl8(ctx->afu) && + if (cxl_is_power8() && ((dsisr & CXL_PSL_DSISR_PENDING) == 0)) return; - if (cxl_is_psl9(ctx->afu) && + if (cxl_is_power9() && ((dsisr & CXL_PSL9_DSISR_PENDING) == 0)) return; /* @@ -1302,13 +1307,16 @@ int cxl_native_register_psl_err_irq(struct cxl *adapter) void cxl_native_release_psl_err_irq(struct cxl *adapter) { - if (adapter->native->err_virq != irq_find_mapping(NULL, adapter->native->err_hwirq)) + if (adapter->native->err_virq == 0 || + adapter->native->err_virq != + irq_find_mapping(NULL, adapter->native->err_hwirq)) return; cxl_p1_write(adapter, CXL_PSL_ErrIVTE, 0x0000000000000000); cxl_unmap_irq(adapter->native->err_virq, adapter); cxl_ops->release_one_irq(adapter, adapter->native->err_hwirq); kfree(adapter->irq_name); + adapter->native->err_virq = 0; } int cxl_native_register_serr_irq(struct cxl_afu *afu) @@ -1346,13 +1354,15 @@ int cxl_native_register_serr_irq(struct cxl_afu *afu) void cxl_native_release_serr_irq(struct cxl_afu *afu) { - if (afu->serr_virq != irq_find_mapping(NULL, afu->serr_hwirq)) + if (afu->serr_virq == 0 || + afu->serr_virq != irq_find_mapping(NULL, afu->serr_hwirq)) return; cxl_p1n_write(afu, CXL_PSL_SERR_An, 0x0000000000000000); cxl_unmap_irq(afu->serr_virq, afu); cxl_ops->release_one_irq(afu->adapter, afu->serr_hwirq); kfree(afu->err_irq_name); + afu->serr_virq = 0; } int cxl_native_register_psl_irq(struct cxl_afu *afu) @@ -1375,12 +1385,15 @@ int cxl_native_register_psl_irq(struct cxl_afu *afu) void cxl_native_release_psl_irq(struct cxl_afu *afu) { - if (afu->native->psl_virq != irq_find_mapping(NULL, afu->native->psl_hwirq)) + if (afu->native->psl_virq == 0 || + afu->native->psl_virq != + irq_find_mapping(NULL, afu->native->psl_hwirq)) return; cxl_unmap_irq(afu->native->psl_virq, afu); cxl_ops->release_one_irq(afu->adapter, afu->native->psl_hwirq); kfree(afu->psl_irq_name); + afu->native->psl_virq = 0; } static void recover_psl_err(struct cxl_afu *afu, u64 errstat) diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index 6dc1ee5..1eb9859 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -436,7 +436,7 @@ static int init_implementation_adapter_regs_psl9(struct cxl *adapter, struct pci /* nMMU_ID Defaults to: b’000001001’*/ xsl_dsnctl |= ((u64)0x09 << (63-28)); - if (cxl_is_power9() && !cpu_has_feature(CPU_FTR_POWER9_DD1)) { + if (!(cxl_is_power9_dd1())) { /* * Used to identify CAPI packets which should be sorted into * the Non-Blocking queues by the PHB. This field should match @@ -491,7 +491,7 @@ static int init_implementation_adapter_regs_psl9(struct cxl *adapter, struct pci cxl_p1_write(adapter, CXL_PSL9_APCDEDTYPE, 0x40000003FFFF0000ULL); /* Disable vc dd1 fix */ - if ((cxl_is_power9() && cpu_has_feature(CPU_FTR_POWER9_DD1))) + if (cxl_is_power9_dd1()) cxl_p1_write(adapter, CXL_PSL9_GP_CT, 0x0400000000000001ULL); return 0; @@ -1439,8 +1439,7 @@ int cxl_pci_reset(struct cxl *adapter) * The adapter is about to be reset, so ignore errors. * Not supported on P9 DD1 */ - if ((cxl_is_power8()) || - ((cxl_is_power9() && !cpu_has_feature(CPU_FTR_POWER9_DD1)))) + if ((cxl_is_power8()) || (!(cxl_is_power9_dd1()))) cxl_data_cache_flush(adapter); /* pcie_warm_reset requests a fundamental pci reset which includes a @@ -1750,7 +1749,6 @@ static const struct cxl_service_layer_ops psl9_ops = { .debugfs_add_adapter_regs = cxl_debugfs_add_adapter_regs_psl9, .debugfs_add_afu_regs = cxl_debugfs_add_afu_regs_psl9, .psl_irq_dump_registers = cxl_native_irq_dump_regs_psl9, - .err_irq_dump_registers = cxl_native_err_irq_dump_regs, .debugfs_stop_trace = cxl_stop_trace_psl9, .write_timebase_ctrl = write_timebase_ctrl_psl9, .timebase_read = timebase_read_psl9, @@ -1889,8 +1887,7 @@ static void cxl_pci_remove_adapter(struct cxl *adapter) * Flush adapter datacache as its about to be removed. * Not supported on P9 DD1. */ - if ((cxl_is_power8()) || - ((cxl_is_power9() && !cpu_has_feature(CPU_FTR_POWER9_DD1)))) + if ((cxl_is_power8()) || (!(cxl_is_power9_dd1()))) cxl_data_cache_flush(adapter); cxl_deconfigure_adapter(adapter); diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index d1928fd..07aad85 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -763,8 +763,10 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *a, { struct mei_cl_device *cldev = to_mei_cl_device(dev); const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl); + u8 version = mei_me_cl_ver(cldev->me_cl); - return scnprintf(buf, PAGE_SIZE, "mei:%s:%pUl:", cldev->name, uuid); + return scnprintf(buf, PAGE_SIZE, "mei:%s:%pUl:%02X:", + cldev->name, uuid, version); } static DEVICE_ATTR_RO(modalias); diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h index c862cd4..b8069ee 100644 --- a/drivers/misc/sgi-xp/xp.h +++ b/drivers/misc/sgi-xp/xp.h @@ -309,6 +309,9 @@ static inline enum xp_retval xpc_send(short partid, int ch_number, u32 flags, void *payload, u16 payload_size) { + if (!xpc_interface.send) + return xpNotLoaded; + return xpc_interface.send(partid, ch_number, flags, payload, payload_size); } @@ -317,6 +320,9 @@ static inline enum xp_retval xpc_send_notify(short partid, int ch_number, u32 flags, void *payload, u16 payload_size, xpc_notify_func func, void *key) { + if (!xpc_interface.send_notify) + return xpNotLoaded; + return xpc_interface.send_notify(partid, ch_number, flags, payload, payload_size, func, key); } @@ -324,12 +330,16 @@ xpc_send_notify(short partid, int ch_number, u32 flags, void *payload, static inline void xpc_received(short partid, int ch_number, void *payload) { - return xpc_interface.received(partid, ch_number, payload); + if (xpc_interface.received) + xpc_interface.received(partid, ch_number, payload); } static inline enum xp_retval xpc_partid_to_nasids(short partid, void *nasids) { + if (!xpc_interface.partid_to_nasids) + return xpNotLoaded; + return xpc_interface.partid_to_nasids(partid, nasids); } diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c index 01be66d..6d7f557 100644 --- a/drivers/misc/sgi-xp/xp_main.c +++ b/drivers/misc/sgi-xp/xp_main.c @@ -69,23 +69,9 @@ struct xpc_registration xpc_registrations[XPC_MAX_NCHANNELS]; EXPORT_SYMBOL_GPL(xpc_registrations); /* - * Initialize the XPC interface to indicate that XPC isn't loaded. + * Initialize the XPC interface to NULL to indicate that XPC isn't loaded. */ -static enum xp_retval -xpc_notloaded(void) -{ - return xpNotLoaded; -} - -struct xpc_interface xpc_interface = { - (void (*)(int))xpc_notloaded, - (void (*)(int))xpc_notloaded, - (enum xp_retval(*)(short, int, u32, void *, u16))xpc_notloaded, - (enum xp_retval(*)(short, int, u32, void *, u16, xpc_notify_func, - void *))xpc_notloaded, - (void (*)(short, int, void *))xpc_notloaded, - (enum xp_retval(*)(short, void *))xpc_notloaded -}; +struct xpc_interface xpc_interface = { }; EXPORT_SYMBOL_GPL(xpc_interface); /* @@ -115,17 +101,7 @@ EXPORT_SYMBOL_GPL(xpc_set_interface); void xpc_clear_interface(void) { - xpc_interface.connect = (void (*)(int))xpc_notloaded; - xpc_interface.disconnect = (void (*)(int))xpc_notloaded; - xpc_interface.send = (enum xp_retval(*)(short, int, u32, void *, u16)) - xpc_notloaded; - xpc_interface.send_notify = (enum xp_retval(*)(short, int, u32, void *, - u16, xpc_notify_func, - void *))xpc_notloaded; - xpc_interface.received = (void (*)(short, int, void *)) - xpc_notloaded; - xpc_interface.partid_to_nasids = (enum xp_retval(*)(short, void *)) - xpc_notloaded; + memset(&xpc_interface, 0, sizeof(xpc_interface)); } EXPORT_SYMBOL_GPL(xpc_clear_interface); @@ -188,7 +164,8 @@ xpc_connect(int ch_number, xpc_channel_func func, void *key, u16 payload_size, mutex_unlock(®istration->mutex); - xpc_interface.connect(ch_number); + if (xpc_interface.connect) + xpc_interface.connect(ch_number); return xpSuccess; } @@ -237,7 +214,8 @@ xpc_disconnect(int ch_number) registration->assigned_limit = 0; registration->idle_limit = 0; - xpc_interface.disconnect(ch_number); + if (xpc_interface.disconnect) + xpc_interface.disconnect(ch_number); mutex_unlock(®istration->mutex); diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 1842ed3..de962c2 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -210,6 +210,15 @@ static void meson_mmc_get_transfer_mode(struct mmc_host *mmc, int i; bool use_desc_chain_mode = true; + /* + * Broken SDIO with AP6255-based WiFi on Khadas VIM Pro has been + * reported. For some strange reason this occurs in descriptor + * chain mode only. So let's fall back to bounce buffer mode + * for command SD_IO_RW_EXTENDED. + */ + if (mrq->cmd->opcode == SD_IO_RW_EXTENDED) + return; + for_each_sg(data->sg, sg, data->sg_len, i) /* check for 8 byte alignment */ if (sg->offset & 7) { diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index d474378..b1dd127 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -202,7 +202,7 @@ static int nand_ooblayout_free_lp_hamming(struct mtd_info *mtd, int section, return 0; } -const struct mtd_ooblayout_ops nand_ooblayout_lp_hamming_ops = { +static const struct mtd_ooblayout_ops nand_ooblayout_lp_hamming_ops = { .ecc = nand_ooblayout_ecc_lp_hamming, .free = nand_ooblayout_free_lp_hamming, }; @@ -4361,7 +4361,7 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips, /* Initialize the ->data_interface field. */ ret = nand_init_data_interface(chip); if (ret) - return ret; + goto err_nand_init; /* * Setup the data interface correctly on the chip and controller side. @@ -4373,7 +4373,7 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips, */ ret = nand_setup_data_interface(chip); if (ret) - return ret; + goto err_nand_init; nand_maf_id = chip->id.data[0]; nand_dev_id = chip->id.data[1]; @@ -4404,6 +4404,12 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips, mtd->size = i * chip->chipsize; return 0; + +err_nand_init: + /* Free manufacturer priv data. */ + nand_manufacturer_cleanup(chip); + + return ret; } EXPORT_SYMBOL(nand_scan_ident); @@ -4574,18 +4580,23 @@ int nand_scan_tail(struct mtd_info *mtd) /* New bad blocks should be marked in OOB, flash-based BBT, or both */ if (WARN_ON((chip->bbt_options & NAND_BBT_NO_OOB_BBM) && - !(chip->bbt_options & NAND_BBT_USE_FLASH))) - return -EINVAL; + !(chip->bbt_options & NAND_BBT_USE_FLASH))) { + ret = -EINVAL; + goto err_ident; + } if (invalid_ecc_page_accessors(chip)) { pr_err("Invalid ECC page accessors setup\n"); - return -EINVAL; + ret = -EINVAL; + goto err_ident; } if (!(chip->options & NAND_OWN_BUFFERS)) { nbuf = kzalloc(sizeof(*nbuf), GFP_KERNEL); - if (!nbuf) - return -ENOMEM; + if (!nbuf) { + ret = -ENOMEM; + goto err_ident; + } nbuf->ecccalc = kmalloc(mtd->oobsize, GFP_KERNEL); if (!nbuf->ecccalc) { @@ -4608,8 +4619,10 @@ int nand_scan_tail(struct mtd_info *mtd) chip->buffers = nbuf; } else { - if (!chip->buffers) - return -ENOMEM; + if (!chip->buffers) { + ret = -ENOMEM; + goto err_ident; + } } /* Set the internal oob buffer location, just after the page data */ @@ -4842,7 +4855,11 @@ int nand_scan_tail(struct mtd_info *mtd) return 0; /* Build bad block table */ - return chip->scan_bbt(mtd); + ret = chip->scan_bbt(mtd); + if (ret) + goto err_free; + return 0; + err_free: if (nbuf) { kfree(nbuf->databuf); @@ -4850,6 +4867,13 @@ err_free: kfree(nbuf->ecccalc); kfree(nbuf); } + +err_ident: + /* Clean up nand_scan_ident(). */ + + /* Free manufacturer priv data. */ + nand_manufacturer_cleanup(chip); + return ret; } EXPORT_SYMBOL(nand_scan_tail); diff --git a/drivers/mtd/nand/nand_ids.c b/drivers/mtd/nand/nand_ids.c index 9d5ca0e..92e2cf8 100644 --- a/drivers/mtd/nand/nand_ids.c +++ b/drivers/mtd/nand/nand_ids.c @@ -6,7 +6,6 @@ * published by the Free Software Foundation. * */ -#include <linux/module.h> #include <linux/mtd/nand.h> #include <linux/sizes.h> diff --git a/drivers/mtd/nand/nand_samsung.c b/drivers/mtd/nand/nand_samsung.c index 9cfc403..1e07559 100644 --- a/drivers/mtd/nand/nand_samsung.c +++ b/drivers/mtd/nand/nand_samsung.c @@ -84,6 +84,9 @@ static void samsung_nand_decode_id(struct nand_chip *chip) case 7: chip->ecc_strength_ds = 60; break; + default: + WARN(1, "Could not decode ECC info"); + chip->ecc_step_ds = 0; } } } else { diff --git a/drivers/mtd/nand/tango_nand.c b/drivers/mtd/nand/tango_nand.c index 05b6e10..49b286c 100644 --- a/drivers/mtd/nand/tango_nand.c +++ b/drivers/mtd/nand/tango_nand.c @@ -55,10 +55,10 @@ * byte 1 for other packets in the page (PKT_N, for N > 0) * ERR_COUNT_PKT_N is the max error count over all but the first packet. */ -#define DECODE_OK_PKT_0(v) ((v) & BIT(7)) -#define DECODE_OK_PKT_N(v) ((v) & BIT(15)) #define ERR_COUNT_PKT_0(v) (((v) >> 0) & 0x3f) #define ERR_COUNT_PKT_N(v) (((v) >> 8) & 0x3f) +#define DECODE_FAIL_PKT_0(v) (((v) & BIT(7)) == 0) +#define DECODE_FAIL_PKT_N(v) (((v) & BIT(15)) == 0) /* Offsets relative to pbus_base */ #define PBUS_CS_CTRL 0x83c @@ -193,6 +193,8 @@ static int check_erased_page(struct nand_chip *chip, u8 *buf) chip->ecc.strength); if (res < 0) mtd->ecc_stats.failed++; + else + mtd->ecc_stats.corrected += res; bitflips = max(res, bitflips); buf += pkt_size; @@ -202,9 +204,11 @@ static int check_erased_page(struct nand_chip *chip, u8 *buf) return bitflips; } -static int decode_error_report(struct tango_nfc *nfc) +static int decode_error_report(struct nand_chip *chip) { u32 status, res; + struct mtd_info *mtd = nand_to_mtd(chip); + struct tango_nfc *nfc = to_tango_nfc(chip->controller); status = readl_relaxed(nfc->reg_base + NFC_XFER_STATUS); if (status & PAGE_IS_EMPTY) @@ -212,10 +216,14 @@ static int decode_error_report(struct tango_nfc *nfc) res = readl_relaxed(nfc->mem_base + ERROR_REPORT); - if (DECODE_OK_PKT_0(res) && DECODE_OK_PKT_N(res)) - return max(ERR_COUNT_PKT_0(res), ERR_COUNT_PKT_N(res)); + if (DECODE_FAIL_PKT_0(res) || DECODE_FAIL_PKT_N(res)) + return -EBADMSG; + + /* ERR_COUNT_PKT_N is max, not sum, but that's all we have */ + mtd->ecc_stats.corrected += + ERR_COUNT_PKT_0(res) + ERR_COUNT_PKT_N(res); - return -EBADMSG; + return max(ERR_COUNT_PKT_0(res), ERR_COUNT_PKT_N(res)); } static void tango_dma_callback(void *arg) @@ -282,7 +290,7 @@ static int tango_read_page(struct mtd_info *mtd, struct nand_chip *chip, if (err) return err; - res = decode_error_report(nfc); + res = decode_error_report(chip); if (res < 0) { chip->ecc.read_oob_raw(mtd, chip, page); res = check_erased_page(chip, buf); @@ -663,6 +671,7 @@ static const struct of_device_id tango_nand_ids[] = { { .compatible = "sigma,smp8758-nand" }, { /* sentinel */ } }; +MODULE_DEVICE_TABLE(of, tango_nand_ids); static struct platform_driver tango_nand_driver = { .probe = tango_nand_probe, diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c index 62ee439..53a1cb5 100644 --- a/drivers/net/arcnet/arcnet.c +++ b/drivers/net/arcnet/arcnet.c @@ -756,6 +756,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id) struct net_device *dev = dev_id; struct arcnet_local *lp; int recbuf, status, diagstatus, didsomething, boguscount; + unsigned long flags; int retval = IRQ_NONE; arc_printk(D_DURING, dev, "\n"); @@ -765,7 +766,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id) lp = netdev_priv(dev); BUG_ON(!lp); - spin_lock(&lp->lock); + spin_lock_irqsave(&lp->lock, flags); /* RESET flag was enabled - if device is not running, we must * clear it right away (but nothing else). @@ -774,7 +775,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id) if (lp->hw.status(dev) & RESETflag) lp->hw.command(dev, CFLAGScmd | RESETclear); lp->hw.intmask(dev, 0); - spin_unlock(&lp->lock); + spin_unlock_irqrestore(&lp->lock, flags); return retval; } @@ -998,7 +999,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id) udelay(1); lp->hw.intmask(dev, lp->intmask); - spin_unlock(&lp->lock); + spin_unlock_irqrestore(&lp->lock, flags); return retval; } EXPORT_SYMBOL(arcnet_interrupt); diff --git a/drivers/net/arcnet/capmode.c b/drivers/net/arcnet/capmode.c index 2056878..4fa2e46 100644 --- a/drivers/net/arcnet/capmode.c +++ b/drivers/net/arcnet/capmode.c @@ -212,7 +212,7 @@ static int ack_tx(struct net_device *dev, int acked) ackpkt->soft.cap.proto = 0; /* using protocol 0 for acknowledge */ ackpkt->soft.cap.mes.ack = acked; - arc_printk(D_PROTO, dev, "Ackknowledge for cap packet %x.\n", + arc_printk(D_PROTO, dev, "Acknowledge for cap packet %x.\n", *((int *)&ackpkt->soft.cap.cookie[0])); ackskb->protocol = cpu_to_be16(ETH_P_ARCNET); diff --git a/drivers/net/arcnet/com20020-pci.c b/drivers/net/arcnet/com20020-pci.c index 239de38..47f80b8 100644 --- a/drivers/net/arcnet/com20020-pci.c +++ b/drivers/net/arcnet/com20020-pci.c @@ -135,6 +135,7 @@ static int com20020pci_probe(struct pci_dev *pdev, for (i = 0; i < ci->devcount; i++) { struct com20020_pci_channel_map *cm = &ci->chan_map_tbl[i]; struct com20020_dev *card; + int dev_id_mask = 0xf; dev = alloc_arcdev(device); if (!dev) { @@ -166,6 +167,7 @@ static int com20020pci_probe(struct pci_dev *pdev, arcnet_outb(0x00, ioaddr, COM20020_REG_W_COMMAND); arcnet_inb(ioaddr, COM20020_REG_R_DIAGSTAT); + SET_NETDEV_DEV(dev, &pdev->dev); dev->base_addr = ioaddr; dev->dev_addr[0] = node; dev->irq = pdev->irq; @@ -179,8 +181,8 @@ static int com20020pci_probe(struct pci_dev *pdev, /* Get the dev_id from the PLX rotary coder */ if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15)) - dev->dev_id = 0xc; - dev->dev_id ^= inb(priv->misc + ci->rotary) >> 4; + dev_id_mask = 0x3; + dev->dev_id = (inb(priv->misc + ci->rotary) >> 4) & dev_id_mask; snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i); diff --git a/drivers/net/arcnet/com20020.c b/drivers/net/arcnet/com20020.c index 13d9ad4..78043a9 100644 --- a/drivers/net/arcnet/com20020.c +++ b/drivers/net/arcnet/com20020.c @@ -246,8 +246,6 @@ int com20020_found(struct net_device *dev, int shared) return -ENODEV; } - dev->base_addr = ioaddr; - arc_printk(D_NORMAL, dev, "%s: station %02Xh found at %03lXh, IRQ %d.\n", lp->card_name, dev->dev_addr[0], dev->base_addr, dev->irq); diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index b44a6ae..e5386ab 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -90,10 +90,13 @@ enum ad_link_speed_type { AD_LINK_SPEED_100MBPS, AD_LINK_SPEED_1000MBPS, AD_LINK_SPEED_2500MBPS, + AD_LINK_SPEED_5000MBPS, AD_LINK_SPEED_10000MBPS, + AD_LINK_SPEED_14000MBPS, AD_LINK_SPEED_20000MBPS, AD_LINK_SPEED_25000MBPS, AD_LINK_SPEED_40000MBPS, + AD_LINK_SPEED_50000MBPS, AD_LINK_SPEED_56000MBPS, AD_LINK_SPEED_100000MBPS, }; @@ -259,10 +262,13 @@ static inline int __check_agg_selection_timer(struct port *port) * %AD_LINK_SPEED_100MBPS, * %AD_LINK_SPEED_1000MBPS, * %AD_LINK_SPEED_2500MBPS, + * %AD_LINK_SPEED_5000MBPS, * %AD_LINK_SPEED_10000MBPS + * %AD_LINK_SPEED_14000MBPS, * %AD_LINK_SPEED_20000MBPS * %AD_LINK_SPEED_25000MBPS * %AD_LINK_SPEED_40000MBPS + * %AD_LINK_SPEED_50000MBPS * %AD_LINK_SPEED_56000MBPS * %AD_LINK_SPEED_100000MBPS */ @@ -296,10 +302,18 @@ static u16 __get_link_speed(struct port *port) speed = AD_LINK_SPEED_2500MBPS; break; + case SPEED_5000: + speed = AD_LINK_SPEED_5000MBPS; + break; + case SPEED_10000: speed = AD_LINK_SPEED_10000MBPS; break; + case SPEED_14000: + speed = AD_LINK_SPEED_14000MBPS; + break; + case SPEED_20000: speed = AD_LINK_SPEED_20000MBPS; break; @@ -312,6 +326,10 @@ static u16 __get_link_speed(struct port *port) speed = AD_LINK_SPEED_40000MBPS; break; + case SPEED_50000: + speed = AD_LINK_SPEED_50000MBPS; + break; + case SPEED_56000: speed = AD_LINK_SPEED_56000MBPS; break; @@ -707,9 +725,15 @@ static u32 __get_agg_bandwidth(struct aggregator *aggregator) case AD_LINK_SPEED_2500MBPS: bandwidth = nports * 2500; break; + case AD_LINK_SPEED_5000MBPS: + bandwidth = nports * 5000; + break; case AD_LINK_SPEED_10000MBPS: bandwidth = nports * 10000; break; + case AD_LINK_SPEED_14000MBPS: + bandwidth = nports * 14000; + break; case AD_LINK_SPEED_20000MBPS: bandwidth = nports * 20000; break; @@ -719,6 +743,9 @@ static u32 __get_agg_bandwidth(struct aggregator *aggregator) case AD_LINK_SPEED_40000MBPS: bandwidth = nports * 40000; break; + case AD_LINK_SPEED_50000MBPS: + bandwidth = nports * 50000; + break; case AD_LINK_SPEED_56000MBPS: bandwidth = nports * 56000; break; diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 2359478b..8ab6bdb 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4192,7 +4192,6 @@ static void bond_destructor(struct net_device *bond_dev) struct bonding *bond = netdev_priv(bond_dev); if (bond->wq) destroy_workqueue(bond->wq); - free_netdev(bond_dev); } void bond_setup(struct net_device *bond_dev) @@ -4212,7 +4211,8 @@ void bond_setup(struct net_device *bond_dev) bond_dev->netdev_ops = &bond_netdev_ops; bond_dev->ethtool_ops = &bond_ethtool_ops; - bond_dev->destructor = bond_destructor; + bond_dev->needs_free_netdev = true; + bond_dev->priv_destructor = bond_destructor; SET_NETDEV_DEVTYPE(bond_dev, &bond_type); @@ -4736,7 +4736,7 @@ int bond_create(struct net *net, const char *name) rtnl_unlock(); if (res < 0) - bond_destructor(bond_dev); + free_netdev(bond_dev); return res; } diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c index ddabce7..71a7c3b 100644 --- a/drivers/net/caif/caif_hsi.c +++ b/drivers/net/caif/caif_hsi.c @@ -1121,7 +1121,7 @@ static void cfhsi_setup(struct net_device *dev) dev->flags = IFF_POINTOPOINT | IFF_NOARP; dev->mtu = CFHSI_MAX_CAIF_FRAME_SZ; dev->priv_flags |= IFF_NO_QUEUE; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->netdev_ops = &cfhsi_netdevops; for (i = 0; i < CFHSI_PRIO_LAST; ++i) skb_queue_head_init(&cfhsi->qhead[i]); diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c index c2dea49..76e1d35 100644 --- a/drivers/net/caif/caif_serial.c +++ b/drivers/net/caif/caif_serial.c @@ -428,7 +428,7 @@ static void caifdev_setup(struct net_device *dev) dev->flags = IFF_POINTOPOINT | IFF_NOARP; dev->mtu = CAIF_MAX_MTU; dev->priv_flags |= IFF_NO_QUEUE; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; skb_queue_head_init(&serdev->head); serdev->common.link_select = CAIF_LINK_LOW_LATENCY; serdev->common.use_frag = true; diff --git a/drivers/net/caif/caif_spi.c b/drivers/net/caif/caif_spi.c index 3a529fb..fc21afe 100644 --- a/drivers/net/caif/caif_spi.c +++ b/drivers/net/caif/caif_spi.c @@ -712,7 +712,7 @@ static void cfspi_setup(struct net_device *dev) dev->flags = IFF_NOARP | IFF_POINTOPOINT; dev->priv_flags |= IFF_NO_QUEUE; dev->mtu = SPI_MAX_PAYLOAD_SIZE; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; skb_queue_head_init(&cfspi->qhead); skb_queue_head_init(&cfspi->chead); cfspi->cfdev.link_select = CAIF_LINK_HIGH_BANDW; diff --git a/drivers/net/caif/caif_virtio.c b/drivers/net/caif/caif_virtio.c index 6122768..1794ea0 100644 --- a/drivers/net/caif/caif_virtio.c +++ b/drivers/net/caif/caif_virtio.c @@ -617,7 +617,7 @@ static void cfv_netdev_setup(struct net_device *netdev) netdev->tx_queue_len = 100; netdev->flags = IFF_POINTOPOINT | IFF_NOARP; netdev->mtu = CFV_DEF_MTU_SIZE; - netdev->destructor = free_netdev; + netdev->needs_free_netdev = true; } /* Create debugfs counters for the device */ diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c index 611d16a..ae4ed03 100644 --- a/drivers/net/can/dev.c +++ b/drivers/net/can/dev.c @@ -391,6 +391,9 @@ void can_change_state(struct net_device *dev, struct can_frame *cf, can_update_state_error_stats(dev, new_state); priv->state = new_state; + if (!cf) + return; + if (unlikely(new_state == CAN_STATE_BUS_OFF)) { cf->can_id |= CAN_ERR_BUSOFF; return; diff --git a/drivers/net/can/peak_canfd/peak_canfd.c b/drivers/net/can/peak_canfd/peak_canfd.c index 0d57be5..85268be 100644 --- a/drivers/net/can/peak_canfd/peak_canfd.c +++ b/drivers/net/can/peak_canfd/peak_canfd.c @@ -489,7 +489,7 @@ int peak_canfd_handle_msgs_list(struct peak_canfd_priv *priv, struct pucan_rx_msg *msg_list, int msg_count) { void *msg_ptr = msg_list; - int i, msg_size; + int i, msg_size = 0; for (i = 0; i < msg_count; i++) { msg_size = peak_canfd_handle_msg(priv, msg_ptr); diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index eb71737..6a6e896 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -417,7 +417,7 @@ static int slc_open(struct net_device *dev) static void slc_free_netdev(struct net_device *dev) { int i = dev->base_addr; - free_netdev(dev); + slcan_devs[i] = NULL; } @@ -436,7 +436,8 @@ static const struct net_device_ops slc_netdev_ops = { static void slc_setup(struct net_device *dev) { dev->netdev_ops = &slc_netdev_ops; - dev->destructor = slc_free_netdev; + dev->needs_free_netdev = true; + dev->priv_destructor = slc_free_netdev; dev->hard_header_len = 0; dev->addr_len = 0; @@ -761,8 +762,6 @@ static void __exit slcan_exit(void) if (sl->tty) { printk(KERN_ERR "%s: tty discipline still running\n", dev->name); - /* Intentionally leak the control block. */ - dev->destructor = NULL; } unregister_netdev(dev); diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c index eecee7f..afcc131 100644 --- a/drivers/net/can/usb/gs_usb.c +++ b/drivers/net/can/usb/gs_usb.c @@ -265,6 +265,8 @@ static int gs_cmd_reset(struct gs_usb *gsusb, struct gs_can *gsdev) sizeof(*dm), 1000); + kfree(dm); + return rc; } diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c index 57913db..1ca76e0 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c @@ -908,8 +908,6 @@ static int peak_usb_probe(struct usb_interface *intf, const struct peak_usb_adapter *peak_usb_adapter = NULL; int i, err = -ENOMEM; - usb_dev = interface_to_usbdev(intf); - /* get corresponding PCAN-USB adapter */ for (i = 0; i < ARRAY_SIZE(peak_usb_adapters_list); i++) if (peak_usb_adapters_list[i]->device_id == usb_id_product) { @@ -920,7 +918,7 @@ static int peak_usb_probe(struct usb_interface *intf, if (!peak_usb_adapter) { /* should never come except device_id bad usage in this file */ pr_err("%s: didn't find device id. 0x%x in devices list\n", - PCAN_USB_DRIVER_NAME, usb_dev->descriptor.idProduct); + PCAN_USB_DRIVER_NAME, usb_id_product); return -ENODEV; } diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c index facca33..a8cb332 100644 --- a/drivers/net/can/vcan.c +++ b/drivers/net/can/vcan.c @@ -152,7 +152,7 @@ static const struct net_device_ops vcan_netdev_ops = { static void vcan_setup(struct net_device *dev) { dev->type = ARPHRD_CAN; - dev->mtu = CAN_MTU; + dev->mtu = CANFD_MTU; dev->hard_header_len = 0; dev->addr_len = 0; dev->tx_queue_len = 0; @@ -163,7 +163,7 @@ static void vcan_setup(struct net_device *dev) dev->flags |= IFF_ECHO; dev->netdev_ops = &vcan_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; } static struct rtnl_link_ops vcan_link_ops __read_mostly = { diff --git a/drivers/net/can/vxcan.c b/drivers/net/can/vxcan.c index 7fbb247..cfe889e 100644 --- a/drivers/net/can/vxcan.c +++ b/drivers/net/can/vxcan.c @@ -150,13 +150,13 @@ static const struct net_device_ops vxcan_netdev_ops = { static void vxcan_setup(struct net_device *dev) { dev->type = ARPHRD_CAN; - dev->mtu = CAN_MTU; + dev->mtu = CANFD_MTU; dev->hard_header_len = 0; dev->addr_len = 0; dev->tx_queue_len = 0; dev->flags = (IFF_NOARP|IFF_ECHO); dev->netdev_ops = &vxcan_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; } /* forward declaration for rtnl_create_link() */ diff --git a/drivers/net/dsa/mv88e6xxx/global2.h b/drivers/net/dsa/mv88e6xxx/global2.h index 96046bb..14c0be9 100644 --- a/drivers/net/dsa/mv88e6xxx/global2.h +++ b/drivers/net/dsa/mv88e6xxx/global2.h @@ -114,13 +114,13 @@ static inline int mv88e6xxx_g2_set_eeprom16(struct mv88e6xxx_chip *chip, return -EOPNOTSUPP; } -int mv88e6xxx_g2_pvt_write(struct mv88e6xxx_chip *chip, int src_dev, - int src_port, u16 data) +static inline int mv88e6xxx_g2_pvt_write(struct mv88e6xxx_chip *chip, + int src_dev, int src_port, u16 data) { return -EOPNOTSUPP; } -int mv88e6xxx_g2_misc_4_bit_port(struct mv88e6xxx_chip *chip) +static inline int mv88e6xxx_g2_misc_4_bit_port(struct mv88e6xxx_chip *chip) { return -EOPNOTSUPP; } diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c index 149244a..9905b52 100644 --- a/drivers/net/dummy.c +++ b/drivers/net/dummy.c @@ -328,7 +328,6 @@ static void dummy_free_netdev(struct net_device *dev) struct dummy_priv *priv = netdev_priv(dev); kfree(priv->vfinfo); - free_netdev(dev); } static void dummy_setup(struct net_device *dev) @@ -338,7 +337,8 @@ static void dummy_setup(struct net_device *dev) /* Initialize the device structure. */ dev->netdev_ops = &dummy_netdev_ops; dev->ethtool_ops = &dummy_ethtool_ops; - dev->destructor = dummy_free_netdev; + dev->needs_free_netdev = true; + dev->priv_destructor = dummy_free_netdev; /* Fill in device structure with ethernet-generic values. */ dev->flags |= IFF_NOARP; diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c index 08d11ce..f5b237e 100644 --- a/drivers/net/ethernet/amazon/ena/ena_com.c +++ b/drivers/net/ethernet/amazon/ena/ena_com.c @@ -61,6 +61,8 @@ #define ENA_MMIO_READ_TIMEOUT 0xFFFFFFFF +#define ENA_REGS_ADMIN_INTR_MASK 1 + /*****************************************************************************/ /*****************************************************************************/ /*****************************************************************************/ @@ -232,11 +234,9 @@ static struct ena_comp_ctx *__ena_com_submit_admin_cmd(struct ena_com_admin_queu tail_masked = admin_queue->sq.tail & queue_size_mask; /* In case of queue FULL */ - cnt = admin_queue->sq.tail - admin_queue->sq.head; + cnt = atomic_read(&admin_queue->outstanding_cmds); if (cnt >= admin_queue->q_depth) { - pr_debug("admin queue is FULL (tail %d head %d depth: %d)\n", - admin_queue->sq.tail, admin_queue->sq.head, - admin_queue->q_depth); + pr_debug("admin queue is full.\n"); admin_queue->stats.out_of_space++; return ERR_PTR(-ENOSPC); } @@ -508,15 +508,20 @@ static int ena_com_comp_status_to_errno(u8 comp_status) static int ena_com_wait_and_process_admin_cq_polling(struct ena_comp_ctx *comp_ctx, struct ena_com_admin_queue *admin_queue) { - unsigned long flags; - u32 start_time; + unsigned long flags, timeout; int ret; - start_time = ((u32)jiffies_to_usecs(jiffies)); + timeout = jiffies + ADMIN_CMD_TIMEOUT_US; + + while (1) { + spin_lock_irqsave(&admin_queue->q_lock, flags); + ena_com_handle_admin_completion(admin_queue); + spin_unlock_irqrestore(&admin_queue->q_lock, flags); + + if (comp_ctx->status != ENA_CMD_SUBMITTED) + break; - while (comp_ctx->status == ENA_CMD_SUBMITTED) { - if ((((u32)jiffies_to_usecs(jiffies)) - start_time) > - ADMIN_CMD_TIMEOUT_US) { + if (time_is_before_jiffies(timeout)) { pr_err("Wait for completion (polling) timeout\n"); /* ENA didn't have any completion */ spin_lock_irqsave(&admin_queue->q_lock, flags); @@ -528,10 +533,6 @@ static int ena_com_wait_and_process_admin_cq_polling(struct ena_comp_ctx *comp_c goto err; } - spin_lock_irqsave(&admin_queue->q_lock, flags); - ena_com_handle_admin_completion(admin_queue); - spin_unlock_irqrestore(&admin_queue->q_lock, flags); - msleep(100); } @@ -1455,6 +1456,12 @@ void ena_com_admin_destroy(struct ena_com_dev *ena_dev) void ena_com_set_admin_polling_mode(struct ena_com_dev *ena_dev, bool polling) { + u32 mask_value = 0; + + if (polling) + mask_value = ENA_REGS_ADMIN_INTR_MASK; + + writel(mask_value, ena_dev->reg_bar + ENA_REGS_INTR_MASK_OFF); ena_dev->admin_queue.polling = polling; } diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c index 67b2338f..3ee55e2 100644 --- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c +++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c @@ -80,7 +80,6 @@ static const struct ena_stats ena_stats_tx_strings[] = { ENA_STAT_TX_ENTRY(tx_poll), ENA_STAT_TX_ENTRY(doorbells), ENA_STAT_TX_ENTRY(prepare_ctx_err), - ENA_STAT_TX_ENTRY(missing_tx_comp), ENA_STAT_TX_ENTRY(bad_req_id), }; @@ -94,6 +93,7 @@ static const struct ena_stats ena_stats_rx_strings[] = { ENA_STAT_RX_ENTRY(dma_mapping_err), ENA_STAT_RX_ENTRY(bad_desc_num), ENA_STAT_RX_ENTRY(rx_copybreak_pkt), + ENA_STAT_RX_ENTRY(empty_rx_ring), }; static const struct ena_stats ena_stats_ena_com_strings[] = { diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 7c1214d..4f16ed3 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -190,6 +190,7 @@ static void ena_init_io_rings(struct ena_adapter *adapter) rxr->sgl_size = adapter->max_rx_sgl_size; rxr->smoothed_interval = ena_com_get_nonadaptive_moderation_interval_rx(ena_dev); + rxr->empty_rx_queue = 0; } } @@ -1078,6 +1079,26 @@ inline void ena_adjust_intr_moderation(struct ena_ring *rx_ring, rx_ring->per_napi_bytes = 0; } +static inline void ena_unmask_interrupt(struct ena_ring *tx_ring, + struct ena_ring *rx_ring) +{ + struct ena_eth_io_intr_reg intr_reg; + + /* Update intr register: rx intr delay, + * tx intr delay and interrupt unmask + */ + ena_com_update_intr_reg(&intr_reg, + rx_ring->smoothed_interval, + tx_ring->smoothed_interval, + true); + + /* It is a shared MSI-X. + * Tx and Rx CQ have pointer to it. + * So we use one of them to reach the intr reg + */ + ena_com_unmask_intr(rx_ring->ena_com_io_cq, &intr_reg); +} + static inline void ena_update_ring_numa_node(struct ena_ring *tx_ring, struct ena_ring *rx_ring) { @@ -1108,7 +1129,6 @@ static int ena_io_poll(struct napi_struct *napi, int budget) { struct ena_napi *ena_napi = container_of(napi, struct ena_napi, napi); struct ena_ring *tx_ring, *rx_ring; - struct ena_eth_io_intr_reg intr_reg; u32 tx_work_done; u32 rx_work_done; @@ -1149,22 +1169,9 @@ static int ena_io_poll(struct napi_struct *napi, int budget) if (ena_com_get_adaptive_moderation_enabled(rx_ring->ena_dev)) ena_adjust_intr_moderation(rx_ring, tx_ring); - /* Update intr register: rx intr delay, - * tx intr delay and interrupt unmask - */ - ena_com_update_intr_reg(&intr_reg, - rx_ring->smoothed_interval, - tx_ring->smoothed_interval, - true); - - /* It is a shared MSI-X. - * Tx and Rx CQ have pointer to it. - * So we use one of them to reach the intr reg - */ - ena_com_unmask_intr(rx_ring->ena_com_io_cq, &intr_reg); + ena_unmask_interrupt(tx_ring, rx_ring); } - ena_update_ring_numa_node(tx_ring, rx_ring); ret = rx_work_done; @@ -1485,6 +1492,11 @@ static int ena_up_complete(struct ena_adapter *adapter) ena_napi_enable_all(adapter); + /* Enable completion queues interrupt */ + for (i = 0; i < adapter->num_queues; i++) + ena_unmask_interrupt(&adapter->tx_ring[i], + &adapter->rx_ring[i]); + /* schedule napi in case we had pending packets * from the last time we disable napi */ @@ -1532,6 +1544,7 @@ static int ena_create_io_tx_queue(struct ena_adapter *adapter, int qid) "Failed to get TX queue handlers. TX queue num %d rc: %d\n", qid, rc); ena_com_destroy_io_queue(ena_dev, ena_qid); + return rc; } ena_com_update_numa_node(tx_ring->ena_com_io_cq, ctx.numa_node); @@ -1596,6 +1609,7 @@ static int ena_create_io_rx_queue(struct ena_adapter *adapter, int qid) "Failed to get RX queue handlers. RX queue num %d rc: %d\n", qid, rc); ena_com_destroy_io_queue(ena_dev, ena_qid); + return rc; } ena_com_update_numa_node(rx_ring->ena_com_io_cq, ctx.numa_node); @@ -1981,6 +1995,7 @@ static netdev_tx_t ena_start_xmit(struct sk_buff *skb, struct net_device *dev) tx_info->tx_descs = nb_hw_desc; tx_info->last_jiffies = jiffies; + tx_info->print_once = 0; tx_ring->next_to_use = ENA_TX_RING_IDX_NEXT(next_to_use, tx_ring->ring_size); @@ -2550,13 +2565,44 @@ err: "Reset attempt failed. Can not reset the device\n"); } -static void check_for_missing_tx_completions(struct ena_adapter *adapter) +static int check_missing_comp_in_queue(struct ena_adapter *adapter, + struct ena_ring *tx_ring) { struct ena_tx_buffer *tx_buf; unsigned long last_jiffies; + u32 missed_tx = 0; + int i; + + for (i = 0; i < tx_ring->ring_size; i++) { + tx_buf = &tx_ring->tx_buffer_info[i]; + last_jiffies = tx_buf->last_jiffies; + if (unlikely(last_jiffies && + time_is_before_jiffies(last_jiffies + TX_TIMEOUT))) { + if (!tx_buf->print_once) + netif_notice(adapter, tx_err, adapter->netdev, + "Found a Tx that wasn't completed on time, qid %d, index %d.\n", + tx_ring->qid, i); + + tx_buf->print_once = 1; + missed_tx++; + + if (unlikely(missed_tx > MAX_NUM_OF_TIMEOUTED_PACKETS)) { + netif_err(adapter, tx_err, adapter->netdev, + "The number of lost tx completions is above the threshold (%d > %d). Reset the device\n", + missed_tx, MAX_NUM_OF_TIMEOUTED_PACKETS); + set_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags); + return -EIO; + } + } + } + + return 0; +} + +static void check_for_missing_tx_completions(struct ena_adapter *adapter) +{ struct ena_ring *tx_ring; - int i, j, budget; - u32 missed_tx; + int i, budget, rc; /* Make sure the driver doesn't turn the device in other process */ smp_rmb(); @@ -2572,31 +2618,9 @@ static void check_for_missing_tx_completions(struct ena_adapter *adapter) for (i = adapter->last_monitored_tx_qid; i < adapter->num_queues; i++) { tx_ring = &adapter->tx_ring[i]; - for (j = 0; j < tx_ring->ring_size; j++) { - tx_buf = &tx_ring->tx_buffer_info[j]; - last_jiffies = tx_buf->last_jiffies; - if (unlikely(last_jiffies && time_is_before_jiffies(last_jiffies + TX_TIMEOUT))) { - netif_notice(adapter, tx_err, adapter->netdev, - "Found a Tx that wasn't completed on time, qid %d, index %d.\n", - tx_ring->qid, j); - - u64_stats_update_begin(&tx_ring->syncp); - missed_tx = tx_ring->tx_stats.missing_tx_comp++; - u64_stats_update_end(&tx_ring->syncp); - - /* Clear last jiffies so the lost buffer won't - * be counted twice. - */ - tx_buf->last_jiffies = 0; - - if (unlikely(missed_tx > MAX_NUM_OF_TIMEOUTED_PACKETS)) { - netif_err(adapter, tx_err, adapter->netdev, - "The number of lost tx completion is above the threshold (%d > %d). Reset the device\n", - missed_tx, MAX_NUM_OF_TIMEOUTED_PACKETS); - set_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags); - } - } - } + rc = check_missing_comp_in_queue(adapter, tx_ring); + if (unlikely(rc)) + return; budget--; if (!budget) @@ -2606,6 +2630,58 @@ static void check_for_missing_tx_completions(struct ena_adapter *adapter) adapter->last_monitored_tx_qid = i % adapter->num_queues; } +/* trigger napi schedule after 2 consecutive detections */ +#define EMPTY_RX_REFILL 2 +/* For the rare case where the device runs out of Rx descriptors and the + * napi handler failed to refill new Rx descriptors (due to a lack of memory + * for example). + * This case will lead to a deadlock: + * The device won't send interrupts since all the new Rx packets will be dropped + * The napi handler won't allocate new Rx descriptors so the device will be + * able to send new packets. + * + * This scenario can happen when the kernel's vm.min_free_kbytes is too small. + * It is recommended to have at least 512MB, with a minimum of 128MB for + * constrained environment). + * + * When such a situation is detected - Reschedule napi + */ +static void check_for_empty_rx_ring(struct ena_adapter *adapter) +{ + struct ena_ring *rx_ring; + int i, refill_required; + + if (!test_bit(ENA_FLAG_DEV_UP, &adapter->flags)) + return; + + if (test_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags)) + return; + + for (i = 0; i < adapter->num_queues; i++) { + rx_ring = &adapter->rx_ring[i]; + + refill_required = + ena_com_sq_empty_space(rx_ring->ena_com_io_sq); + if (unlikely(refill_required == (rx_ring->ring_size - 1))) { + rx_ring->empty_rx_queue++; + + if (rx_ring->empty_rx_queue >= EMPTY_RX_REFILL) { + u64_stats_update_begin(&rx_ring->syncp); + rx_ring->rx_stats.empty_rx_ring++; + u64_stats_update_end(&rx_ring->syncp); + + netif_err(adapter, drv, adapter->netdev, + "trigger refill for ring %d\n", i); + + napi_schedule(rx_ring->napi); + rx_ring->empty_rx_queue = 0; + } + } else { + rx_ring->empty_rx_queue = 0; + } + } +} + /* Check for keep alive expiration */ static void check_for_missing_keep_alive(struct ena_adapter *adapter) { @@ -2660,6 +2736,8 @@ static void ena_timer_service(unsigned long data) check_for_missing_tx_completions(adapter); + check_for_empty_rx_ring(adapter); + if (debug_area) ena_dump_stats_to_buf(adapter, debug_area); @@ -2840,6 +2918,11 @@ static void ena_release_bars(struct ena_com_dev *ena_dev, struct pci_dev *pdev) { int release_bars; + if (ena_dev->mem_bar) + devm_iounmap(&pdev->dev, ena_dev->mem_bar); + + devm_iounmap(&pdev->dev, ena_dev->reg_bar); + release_bars = pci_select_bars(pdev, IORESOURCE_MEM) & ENA_BAR_MASK; pci_release_selected_regions(pdev, release_bars); } @@ -2927,8 +3010,9 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_free_ena_dev; } - ena_dev->reg_bar = ioremap(pci_resource_start(pdev, ENA_REG_BAR), - pci_resource_len(pdev, ENA_REG_BAR)); + ena_dev->reg_bar = devm_ioremap(&pdev->dev, + pci_resource_start(pdev, ENA_REG_BAR), + pci_resource_len(pdev, ENA_REG_BAR)); if (!ena_dev->reg_bar) { dev_err(&pdev->dev, "failed to remap regs bar\n"); rc = -EFAULT; @@ -2948,8 +3032,9 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent) ena_set_push_mode(pdev, ena_dev, &get_feat_ctx); if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) { - ena_dev->mem_bar = ioremap_wc(pci_resource_start(pdev, ENA_MEM_BAR), - pci_resource_len(pdev, ENA_MEM_BAR)); + ena_dev->mem_bar = devm_ioremap_wc(&pdev->dev, + pci_resource_start(pdev, ENA_MEM_BAR), + pci_resource_len(pdev, ENA_MEM_BAR)); if (!ena_dev->mem_bar) { rc = -EFAULT; goto err_device_destroy; diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h index 0e22bce..a4d3d5e 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.h +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h @@ -45,7 +45,7 @@ #define DRV_MODULE_VER_MAJOR 1 #define DRV_MODULE_VER_MINOR 1 -#define DRV_MODULE_VER_SUBMINOR 2 +#define DRV_MODULE_VER_SUBMINOR 7 #define DRV_MODULE_NAME "ena" #ifndef DRV_MODULE_VERSION @@ -146,7 +146,18 @@ struct ena_tx_buffer { u32 tx_descs; /* num of buffers used by this skb */ u32 num_of_bufs; - /* Save the last jiffies to detect missing tx packets */ + + /* Used for detect missing tx packets to limit the number of prints */ + u32 print_once; + /* Save the last jiffies to detect missing tx packets + * + * sets to non zero value on ena_start_xmit and set to zero on + * napi and timer_Service_routine. + * + * while this value is not protected by lock, + * a given packet is not expected to be handled by ena_start_xmit + * and by napi/timer_service at the same time. + */ unsigned long last_jiffies; struct ena_com_buf bufs[ENA_PKT_MAX_BUFS]; } ____cacheline_aligned; @@ -170,7 +181,6 @@ struct ena_stats_tx { u64 napi_comp; u64 tx_poll; u64 doorbells; - u64 missing_tx_comp; u64 bad_req_id; }; @@ -184,6 +194,7 @@ struct ena_stats_rx { u64 dma_mapping_err; u64 bad_desc_num; u64 rx_copybreak_pkt; + u64 empty_rx_ring; }; struct ena_ring { @@ -231,6 +242,7 @@ struct ena_ring { struct ena_stats_tx tx_stats; struct ena_stats_rx rx_stats; }; + int empty_rx_queue; } ____cacheline_aligned; struct ena_stats_dev { diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c index b3bc87f..0a98c36 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c @@ -324,7 +324,7 @@ static int xgbe_map_rx_buffer(struct xgbe_prv_data *pdata, struct xgbe_ring *ring, struct xgbe_ring_data *rdata) { - int order, ret; + int ret; if (!ring->rx_hdr_pa.pages) { ret = xgbe_alloc_pages(pdata, &ring->rx_hdr_pa, GFP_ATOMIC, 0); @@ -333,9 +333,8 @@ static int xgbe_map_rx_buffer(struct xgbe_prv_data *pdata, } if (!ring->rx_buf_pa.pages) { - order = max_t(int, PAGE_ALLOC_COSTLY_ORDER - 1, 0); ret = xgbe_alloc_pages(pdata, &ring->rx_buf_pa, GFP_ATOMIC, - order); + PAGE_ALLOC_COSTLY_ORDER); if (ret) return ret; } diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h index b8e3d88..a66aee5 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.h @@ -193,9 +193,6 @@ int hw_atl_utils_hw_get_regs(struct aq_hw_s *self, struct aq_hw_caps_s *aq_hw_caps, u32 *regs_buff); -int hw_atl_utils_hw_get_settings(struct aq_hw_s *self, - struct ethtool_cmd *cmd); - int hw_atl_utils_hw_set_power(struct aq_hw_s *self, unsigned int power_state); diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 099b374..5274501 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -2026,9 +2026,12 @@ static int bcm_sysport_probe(struct platform_device *pdev) priv->num_rx_desc_words = params->num_rx_desc_words; priv->irq0 = platform_get_irq(pdev, 0); - if (!priv->is_lite) + if (!priv->is_lite) { priv->irq1 = platform_get_irq(pdev, 1); - priv->wol_irq = platform_get_irq(pdev, 2); + priv->wol_irq = platform_get_irq(pdev, 2); + } else { + priv->wol_irq = platform_get_irq(pdev, 1); + } if (priv->irq0 <= 0 || (priv->irq1 <= 0 && !priv->is_lite)) { dev_err(&pdev->dev, "invalid interrupts\n"); ret = -EINVAL; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index eccb3d1..f619c4c 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -1926,7 +1926,7 @@ u16 bnx2x_select_queue(struct net_device *dev, struct sk_buff *skb, } /* select a non-FCoE queue */ - return fallback(dev, skb) % BNX2X_NUM_ETH_QUEUES(bp); + return fallback(dev, skb) % (BNX2X_NUM_ETH_QUEUES(bp) * bp->max_cos); } void bnx2x_set_num_queues(struct bnx2x *bp) @@ -3883,15 +3883,26 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) /* when transmitting in a vf, start bd must hold the ethertype * for fw to enforce it */ + u16 vlan_tci = 0; #ifndef BNX2X_STOP_ON_ERROR - if (IS_VF(bp)) + if (IS_VF(bp)) { #endif - tx_start_bd->vlan_or_ethertype = - cpu_to_le16(ntohs(eth->h_proto)); + /* Still need to consider inband vlan for enforced */ + if (__vlan_get_tag(skb, &vlan_tci)) { + tx_start_bd->vlan_or_ethertype = + cpu_to_le16(ntohs(eth->h_proto)); + } else { + tx_start_bd->bd_flags.as_bitfield |= + (X_ETH_INBAND_VLAN << + ETH_TX_BD_FLAGS_VLAN_MODE_SHIFT); + tx_start_bd->vlan_or_ethertype = + cpu_to_le16(vlan_tci); + } #ifndef BNX2X_STOP_ON_ERROR - else + } else { /* used by FW for packet accounting */ tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod); + } #endif } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index a851f95..349a465 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -12729,7 +12729,7 @@ static int bnx2x_set_mc_list(struct bnx2x *bp) } else { /* If no mc addresses are required, flush the configuration */ rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_DEL); - if (rc) + if (rc < 0) BNX2X_ERR("Failed to clear multicast configuration %d\n", rc); } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index bdfd53b..9ca994d 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -901,6 +901,8 @@ static void bnx2x_vf_flr(struct bnx2x *bp, struct bnx2x_virtf *vf) /* release VF resources */ bnx2x_vf_free_resc(bp, vf); + vf->malicious = false; + /* re-open the mailbox */ bnx2x_vf_enable_mbx(bp, vf->abs_vfid); return; @@ -1822,9 +1824,11 @@ get_vf: vf->abs_vfid, qidx); bnx2x_vf_handle_rss_update_eqe(bp, vf); case EVENT_RING_OPCODE_VF_FLR: - case EVENT_RING_OPCODE_MALICIOUS_VF: /* Do nothing for now */ return 0; + case EVENT_RING_OPCODE_MALICIOUS_VF: + vf->malicious = true; + return 0; } return 0; @@ -1905,6 +1909,13 @@ void bnx2x_iov_adjust_stats_req(struct bnx2x *bp) continue; } + if (vf->malicious) { + DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS), + "vf %d malicious so no stats for it\n", + vf->abs_vfid); + continue; + } + DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS), "add addresses for vf %d\n", vf->abs_vfid); for_each_vfq(vf, j) { @@ -3042,7 +3053,7 @@ void bnx2x_vf_pci_dealloc(struct bnx2x *bp) { BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping, sizeof(struct bnx2x_vf_mbx_msg)); - BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->pf2vf_bulletin_mapping, + BNX2X_PCI_FREE(bp->pf2vf_bulletin, bp->pf2vf_bulletin_mapping, sizeof(union pf_vf_bulletin)); } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h index 888d0b6..53466f6 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h @@ -141,6 +141,7 @@ struct bnx2x_virtf { #define VF_RESET 3 /* VF FLR'd, pending cleanup */ bool flr_clnup_stage; /* true during flr cleanup */ + bool malicious; /* true if FW indicated so, until FLR */ /* dma */ dma_addr_t fw_stat_map; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 03f55da..74e8e21 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1301,10 +1301,11 @@ static inline struct sk_buff *bnxt_tpa_end(struct bnxt *bp, cp_cons = NEXT_CMP(cp_cons); } - if (unlikely(agg_bufs > MAX_SKB_FRAGS)) { + if (unlikely(agg_bufs > MAX_SKB_FRAGS || TPA_END_ERRORS(tpa_end1))) { bnxt_abort_tpa(bp, bnapi, cp_cons, agg_bufs); - netdev_warn(bp->dev, "TPA frags %d exceeded MAX_SKB_FRAGS %d\n", - agg_bufs, (int)MAX_SKB_FRAGS); + if (agg_bufs > MAX_SKB_FRAGS) + netdev_warn(bp->dev, "TPA frags %d exceeded MAX_SKB_FRAGS %d\n", + agg_bufs, (int)MAX_SKB_FRAGS); return NULL; } @@ -1562,6 +1563,45 @@ next_rx_no_prod: return rc; } +/* In netpoll mode, if we are using a combined completion ring, we need to + * discard the rx packets and recycle the buffers. + */ +static int bnxt_force_rx_discard(struct bnxt *bp, struct bnxt_napi *bnapi, + u32 *raw_cons, u8 *event) +{ + struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring; + u32 tmp_raw_cons = *raw_cons; + struct rx_cmp_ext *rxcmp1; + struct rx_cmp *rxcmp; + u16 cp_cons; + u8 cmp_type; + + cp_cons = RING_CMP(tmp_raw_cons); + rxcmp = (struct rx_cmp *) + &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)]; + + tmp_raw_cons = NEXT_RAW_CMP(tmp_raw_cons); + cp_cons = RING_CMP(tmp_raw_cons); + rxcmp1 = (struct rx_cmp_ext *) + &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)]; + + if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons)) + return -EBUSY; + + cmp_type = RX_CMP_TYPE(rxcmp); + if (cmp_type == CMP_TYPE_RX_L2_CMP) { + rxcmp1->rx_cmp_cfa_code_errors_v2 |= + cpu_to_le32(RX_CMPL_ERRORS_CRC_ERROR); + } else if (cmp_type == CMP_TYPE_RX_L2_TPA_END_CMP) { + struct rx_tpa_end_cmp_ext *tpa_end1; + + tpa_end1 = (struct rx_tpa_end_cmp_ext *)rxcmp1; + tpa_end1->rx_tpa_end_cmp_errors_v2 |= + cpu_to_le32(RX_TPA_END_CMP_ERRORS); + } + return bnxt_rx_pkt(bp, bnapi, raw_cons, event); +} + #define BNXT_GET_EVENT_PORT(data) \ ((data) & \ ASYNC_EVENT_CMPL_PORT_CONN_NOT_ALLOWED_EVENT_DATA1_PORT_ID_MASK) @@ -1744,7 +1784,11 @@ static int bnxt_poll_work(struct bnxt *bp, struct bnxt_napi *bnapi, int budget) if (unlikely(tx_pkts > bp->tx_wake_thresh)) rx_pkts = budget; } else if ((TX_CMP_TYPE(txcmp) & 0x30) == 0x10) { - rc = bnxt_rx_pkt(bp, bnapi, &raw_cons, &event); + if (likely(budget)) + rc = bnxt_rx_pkt(bp, bnapi, &raw_cons, &event); + else + rc = bnxt_force_rx_discard(bp, bnapi, &raw_cons, + &event); if (likely(rc >= 0)) rx_pkts += rc; else if (rc == -EBUSY) /* partial completion */ @@ -6663,12 +6707,11 @@ static void bnxt_poll_controller(struct net_device *dev) struct bnxt *bp = netdev_priv(dev); int i; - for (i = 0; i < bp->cp_nr_rings; i++) { - struct bnxt_irq *irq = &bp->irq_tbl[i]; + /* Only process tx rings/combined rings in netpoll mode. */ + for (i = 0; i < bp->tx_nr_rings; i++) { + struct bnxt_tx_ring_info *txr = &bp->tx_ring[i]; - disable_irq(irq->vector); - irq->handler(irq->vector, bp->bnapi[i]); - enable_irq(irq->vector); + napi_schedule(&txr->bnapi->napi); } } #endif diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 3ef42db..d46a850 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -374,12 +374,16 @@ struct rx_tpa_end_cmp_ext { __le32 rx_tpa_end_cmp_errors_v2; #define RX_TPA_END_CMP_V2 (0x1 << 0) - #define RX_TPA_END_CMP_ERRORS (0x7fff << 1) + #define RX_TPA_END_CMP_ERRORS (0x3 << 1) #define RX_TPA_END_CMPL_ERRORS_SHIFT 1 u32 rx_tpa_end_cmp_start_opaque; }; +#define TPA_END_ERRORS(rx_tpa_end_ext) \ + ((rx_tpa_end_ext)->rx_tpa_end_cmp_errors_v2 & \ + cpu_to_le32(RX_TPA_END_CMP_ERRORS)) + #define DB_IDX_MASK 0xffffff #define DB_IDX_VALID (0x1 << 26) #define DB_IRQ_DIS (0x1 << 27) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 38a5c67..53309f6 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -2171,9 +2171,10 @@ static int cxgb_up(struct adapter *adap) { int err; + mutex_lock(&uld_mutex); err = setup_sge_queues(adap); if (err) - goto out; + goto rel_lock; err = setup_rss(adap); if (err) goto freeq; @@ -2196,23 +2197,28 @@ static int cxgb_up(struct adapter *adap) if (err) goto irq_err; } + enable_rx(adap); t4_sge_start(adap); t4_intr_enable(adap); adap->flags |= FULL_INIT_DONE; + mutex_unlock(&uld_mutex); + notify_ulds(adap, CXGB4_STATE_UP); #if IS_ENABLED(CONFIG_IPV6) update_clip(adap); #endif /* Initialize hash mac addr list*/ INIT_LIST_HEAD(&adap->mac_hlist); - out: return err; + irq_err: dev_err(adap->pdev_dev, "request_irq failed, err %d\n", err); freeq: t4_free_sge_resources(adap); - goto out; + rel_lock: + mutex_unlock(&uld_mutex); + return err; } static void cxgb_down(struct adapter *adapter) @@ -2771,6 +2777,9 @@ void t4_fatal_err(struct adapter *adap) { int port; + if (pci_channel_offline(adap->pdev)) + return; + /* Disable the SGE since ULDs are going to free resources that * could be exposed to the adapter. RDMA MWs for example... */ @@ -3882,9 +3891,10 @@ static pci_ers_result_t eeh_err_detected(struct pci_dev *pdev, spin_lock(&adap->stats_lock); for_each_port(adap, i) { struct net_device *dev = adap->port[i]; - - netif_device_detach(dev); - netif_carrier_off(dev); + if (dev) { + netif_device_detach(dev); + netif_carrier_off(dev); + } } spin_unlock(&adap->stats_lock); disable_interrupts(adap); @@ -3963,12 +3973,13 @@ static void eeh_resume(struct pci_dev *pdev) rtnl_lock(); for_each_port(adap, i) { struct net_device *dev = adap->port[i]; - - if (netif_running(dev)) { - link_start(dev); - cxgb_set_rxmode(dev); + if (dev) { + if (netif_running(dev)) { + link_start(dev); + cxgb_set_rxmode(dev); + } + netif_device_attach(dev); } - netif_device_attach(dev); } rtnl_unlock(); } @@ -4516,7 +4527,7 @@ static void dummy_setup(struct net_device *dev) /* Initialize the device structure. */ dev->netdev_ops = &cxgb4_mgmt_netdev_ops; dev->ethtool_ops = &cxgb4_mgmt_ethtool_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; } static int config_mgmt_dev(struct pci_dev *pdev) diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index aded42b96..3a34aa6 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -4557,8 +4557,13 @@ void t4_intr_enable(struct adapter *adapter) */ void t4_intr_disable(struct adapter *adapter) { - u32 whoami = t4_read_reg(adapter, PL_WHOAMI_A); - u32 pf = CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ? + u32 whoami, pf; + + if (pci_channel_offline(adapter->pdev)) + return; + + whoami = t4_read_reg(adapter, PL_WHOAMI_A); + pf = CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5 ? SOURCEPF_G(whoami) : T6_SOURCEPF_G(whoami); t4_write_reg(adapter, MYPF_REG(PL_PF_INT_ENABLE_A), 0); diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_version.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_version.h index 3549d387..f2d623a 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_version.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_version.h @@ -37,7 +37,7 @@ #define T4FW_VERSION_MAJOR 0x01 #define T4FW_VERSION_MINOR 0x10 -#define T4FW_VERSION_MICRO 0x2B +#define T4FW_VERSION_MICRO 0x2D #define T4FW_VERSION_BUILD 0x00 #define T4FW_MIN_VERSION_MAJOR 0x01 @@ -46,7 +46,7 @@ #define T5FW_VERSION_MAJOR 0x01 #define T5FW_VERSION_MINOR 0x10 -#define T5FW_VERSION_MICRO 0x2B +#define T5FW_VERSION_MICRO 0x2D #define T5FW_VERSION_BUILD 0x00 #define T5FW_MIN_VERSION_MAJOR 0x00 @@ -55,7 +55,7 @@ #define T6FW_VERSION_MAJOR 0x01 #define T6FW_VERSION_MINOR 0x10 -#define T6FW_VERSION_MICRO 0x2B +#define T6FW_VERSION_MICRO 0x2D #define T6FW_VERSION_BUILD 0x00 #define T6FW_MIN_VERSION_MAJOR 0x00 diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c index e863ba7..8bb0db9 100644 --- a/drivers/net/ethernet/ethoc.c +++ b/drivers/net/ethernet/ethoc.c @@ -739,6 +739,8 @@ static int ethoc_open(struct net_device *dev) if (ret) return ret; + napi_enable(&priv->napi); + ethoc_init_ring(priv, dev->mem_start); ethoc_reset(priv); @@ -754,7 +756,6 @@ static int ethoc_open(struct net_device *dev) priv->old_duplex = -1; phy_start(dev->phydev); - napi_enable(&priv->napi); if (netif_msg_ifup(priv)) { dev_info(&dev->dev, "I/O: %08lx Memory: %08lx-%08lx\n", diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 9a520e4..290ad05 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -2647,7 +2647,7 @@ static int dpaa_eth_probe(struct platform_device *pdev) priv->buf_layout[TX].priv_data_size = DPAA_TX_PRIV_DATA_SIZE; /* Tx */ /* device used for DMA mapping */ - arch_setup_dma_ops(dev, 0, 0, NULL, false); + set_dma_ops(dev, get_dma_ops(&pdev->dev)); err = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(40)); if (err) { dev_err(dev, "dma_coerce_mask_and_coherent() failed\n"); diff --git a/drivers/net/ethernet/freescale/fman/Kconfig b/drivers/net/ethernet/freescale/fman/Kconfig index dc0850b..8870a9a 100644 --- a/drivers/net/ethernet/freescale/fman/Kconfig +++ b/drivers/net/ethernet/freescale/fman/Kconfig @@ -2,6 +2,7 @@ config FSL_FMAN tristate "FMan support" depends on FSL_SOC || ARCH_LAYERSCAPE || COMPILE_TEST select GENERIC_ALLOCATOR + depends on HAS_DMA select PHYLIB default n help diff --git a/drivers/net/ethernet/freescale/fman/mac.c b/drivers/net/ethernet/freescale/fman/mac.c index 0b31f85..6e67d22 100644 --- a/drivers/net/ethernet/freescale/fman/mac.c +++ b/drivers/net/ethernet/freescale/fman/mac.c @@ -623,6 +623,8 @@ static struct platform_device *dpaa_eth_add_device(int fman_id, goto no_mem; } + set_dma_ops(&pdev->dev, get_dma_ops(priv->dev)); + ret = platform_device_add_data(pdev, &data, sizeof(data)); if (ret) goto err; diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c index 446c7b3..a10de1e 100644 --- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c +++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c @@ -381,7 +381,7 @@ static int fsl_pq_mdio_probe(struct platform_device *pdev) { const struct of_device_id *id = of_match_device(fsl_pq_mdio_match, &pdev->dev); - const struct fsl_pq_mdio_data *data = id->data; + const struct fsl_pq_mdio_data *data; struct device_node *np = pdev->dev.of_node; struct resource res; struct device_node *tbi; @@ -389,6 +389,13 @@ static int fsl_pq_mdio_probe(struct platform_device *pdev) struct mii_bus *new_bus; int err; + if (!id) { + dev_err(&pdev->dev, "Failed to match device\n"); + return -ENODEV; + } + + data = id->data; + dev_dbg(&pdev->dev, "found %s compatible node\n", id->compatible); new_bus = mdiobus_alloc_size(sizeof(*priv)); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c index b8fab14..e95795b 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_ethtool.c @@ -288,9 +288,15 @@ static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en) /* Force 1000M Link, Default is 0x0200 */ phy_write(phy_dev, 7, 0x20C); - phy_write(phy_dev, HNS_PHY_PAGE_REG, 0); - /* Enable PHY loop-back */ + /* Powerup Fiber */ + phy_write(phy_dev, HNS_PHY_PAGE_REG, 1); + val = phy_read(phy_dev, COPPER_CONTROL_REG); + val &= ~PHY_POWER_DOWN; + phy_write(phy_dev, COPPER_CONTROL_REG, val); + + /* Enable Phy Loopback */ + phy_write(phy_dev, HNS_PHY_PAGE_REG, 0); val = phy_read(phy_dev, COPPER_CONTROL_REG); val |= PHY_LOOP_BACK; val &= ~PHY_POWER_DOWN; @@ -299,6 +305,12 @@ static int hns_nic_config_phy_loopback(struct phy_device *phy_dev, u8 en) phy_write(phy_dev, HNS_PHY_PAGE_REG, 0xFA); phy_write(phy_dev, 1, 0x400); phy_write(phy_dev, 7, 0x200); + + phy_write(phy_dev, HNS_PHY_PAGE_REG, 1); + val = phy_read(phy_dev, COPPER_CONTROL_REG); + val |= PHY_POWER_DOWN; + phy_write(phy_dev, COPPER_CONTROL_REG, val); + phy_write(phy_dev, HNS_PHY_PAGE_REG, 0); phy_write(phy_dev, 9, 0xF00); diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c index 508923f..259e69a 100644 --- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -343,6 +343,7 @@ static int emac_reset(struct emac_instance *dev) { struct emac_regs __iomem *p = dev->emacp; int n = 20; + bool __maybe_unused try_internal_clock = false; DBG(dev, "reset" NL); @@ -355,6 +356,7 @@ static int emac_reset(struct emac_instance *dev) } #ifdef CONFIG_PPC_DCR_NATIVE +do_retry: /* * PPC460EX/GT Embedded Processor Advanced User's Manual * section 28.10.1 Mode Register 0 (EMACx_MR0) states: @@ -362,10 +364,19 @@ static int emac_reset(struct emac_instance *dev) * of the EMAC. If none is present, select the internal clock * (SDR0_ETH_CFG[EMACx_PHY_CLK] = 1). * After a soft reset, select the external clock. + * + * The AR8035-A PHY Meraki MR24 does not provide a TX Clk if the + * ethernet cable is not attached. This causes the reset to timeout + * and the PHY detection code in emac_init_phy() is unable to + * communicate and detect the AR8035-A PHY. As a result, the emac + * driver bails out early and the user has no ethernet. + * In order to stay compatible with existing configurations, the + * driver will temporarily switch to the internal clock, after + * the first reset fails. */ if (emac_has_feature(dev, EMAC_FTR_460EX_PHY_CLK_FIX)) { - if (dev->phy_address == 0xffffffff && - dev->phy_map == 0xffffffff) { + if (try_internal_clock || (dev->phy_address == 0xffffffff && + dev->phy_map == 0xffffffff)) { /* No PHY: select internal loop clock before reset */ dcri_clrset(SDR0, SDR0_ETH_CFG, 0, SDR0_ETH_CFG_ECS << dev->cell_index); @@ -383,8 +394,15 @@ static int emac_reset(struct emac_instance *dev) #ifdef CONFIG_PPC_DCR_NATIVE if (emac_has_feature(dev, EMAC_FTR_460EX_PHY_CLK_FIX)) { - if (dev->phy_address == 0xffffffff && - dev->phy_map == 0xffffffff) { + if (!n && !try_internal_clock) { + /* first attempt has timed out. */ + n = 20; + try_internal_clock = true; + goto do_retry; + } + + if (try_internal_clock || (dev->phy_address == 0xffffffff && + dev->phy_map == 0xffffffff)) { /* No PHY: restore external clock source after reset */ dcri_clrset(SDR0, SDR0_ETH_CFG, SDR0_ETH_CFG_ECS << dev->cell_index, 0); @@ -2460,20 +2478,24 @@ static int emac_mii_bus_reset(struct mii_bus *bus) return emac_reset(dev); } +static int emac_mdio_phy_start_aneg(struct mii_phy *phy, + struct phy_device *phy_dev) +{ + phy_dev->autoneg = phy->autoneg; + phy_dev->speed = phy->speed; + phy_dev->duplex = phy->duplex; + phy_dev->advertising = phy->advertising; + return phy_start_aneg(phy_dev); +} + static int emac_mdio_setup_aneg(struct mii_phy *phy, u32 advertise) { struct net_device *ndev = phy->dev; struct emac_instance *dev = netdev_priv(ndev); - dev->phy.autoneg = AUTONEG_ENABLE; - dev->phy.speed = SPEED_1000; - dev->phy.duplex = DUPLEX_FULL; - dev->phy.advertising = advertise; phy->autoneg = AUTONEG_ENABLE; - phy->speed = dev->phy.speed; - phy->duplex = dev->phy.duplex; phy->advertising = advertise; - return phy_start_aneg(dev->phy_dev); + return emac_mdio_phy_start_aneg(phy, dev->phy_dev); } static int emac_mdio_setup_forced(struct mii_phy *phy, int speed, int fd) @@ -2481,13 +2503,10 @@ static int emac_mdio_setup_forced(struct mii_phy *phy, int speed, int fd) struct net_device *ndev = phy->dev; struct emac_instance *dev = netdev_priv(ndev); - dev->phy.autoneg = AUTONEG_DISABLE; - dev->phy.speed = speed; - dev->phy.duplex = fd; phy->autoneg = AUTONEG_DISABLE; phy->speed = speed; phy->duplex = fd; - return phy_start_aneg(dev->phy_dev); + return emac_mdio_phy_start_aneg(phy, dev->phy_dev); } static int emac_mdio_poll_link(struct mii_phy *phy) @@ -2509,16 +2528,17 @@ static int emac_mdio_read_link(struct mii_phy *phy) { struct net_device *ndev = phy->dev; struct emac_instance *dev = netdev_priv(ndev); + struct phy_device *phy_dev = dev->phy_dev; int res; - res = phy_read_status(dev->phy_dev); + res = phy_read_status(phy_dev); if (res) return res; - dev->phy.speed = phy->speed; - dev->phy.duplex = phy->duplex; - dev->phy.pause = phy->pause; - dev->phy.asym_pause = phy->asym_pause; + phy->speed = phy_dev->speed; + phy->duplex = phy_dev->duplex; + phy->pause = phy_dev->pause; + phy->asym_pause = phy_dev->asym_pause; return 0; } @@ -2528,13 +2548,6 @@ static int emac_mdio_init_phy(struct mii_phy *phy) struct emac_instance *dev = netdev_priv(ndev); phy_start(dev->phy_dev); - dev->phy.autoneg = phy->autoneg; - dev->phy.speed = phy->speed; - dev->phy.duplex = phy->duplex; - dev->phy.advertising = phy->advertising; - dev->phy.pause = phy->pause; - dev->phy.asym_pause = phy->asym_pause; - return phy_init_hw(dev->phy_dev); } diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 4f2d329..c0fbeb3 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -81,7 +81,7 @@ static const char ibmvnic_driver_name[] = "ibmvnic"; static const char ibmvnic_driver_string[] = "IBM System i/p Virtual NIC Driver"; -MODULE_AUTHOR("Santiago Leon <santi_leon@yahoo.com>"); +MODULE_AUTHOR("Santiago Leon"); MODULE_DESCRIPTION("IBM System i/p Virtual NIC Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(IBMVNIC_DRIVER_VERSION); @@ -1468,6 +1468,11 @@ static void ibmvnic_netpoll_controller(struct net_device *dev) } #endif +static int ibmvnic_change_mtu(struct net_device *netdev, int new_mtu) +{ + return -EOPNOTSUPP; +} + static const struct net_device_ops ibmvnic_netdev_ops = { .ndo_open = ibmvnic_open, .ndo_stop = ibmvnic_close, @@ -1479,6 +1484,7 @@ static const struct net_device_ops ibmvnic_netdev_ops = { #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = ibmvnic_netpoll_controller, #endif + .ndo_change_mtu = ibmvnic_change_mtu, }; /* ethtool functions */ diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index cdde3cc2..44d9610 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -399,6 +399,7 @@ struct i40e_pf { #define I40E_FLAG_RX_CSUM_ENABLED BIT_ULL(1) #define I40E_FLAG_MSI_ENABLED BIT_ULL(2) #define I40E_FLAG_MSIX_ENABLED BIT_ULL(3) +#define I40E_FLAG_HW_ATR_EVICT_ENABLED BIT_ULL(4) #define I40E_FLAG_RSS_ENABLED BIT_ULL(6) #define I40E_FLAG_VMDQ_ENABLED BIT_ULL(7) #define I40E_FLAG_IWARP_ENABLED BIT_ULL(10) diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index 7a8eb48..894c8e5 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -224,7 +224,7 @@ static const struct i40e_priv_flags i40e_gstrings_priv_flags[] = { I40E_PRIV_FLAG("LinkPolling", I40E_FLAG_LINK_POLLING_ENABLED, 0), I40E_PRIV_FLAG("flow-director-atr", I40E_FLAG_FD_ATR_ENABLED, 0), I40E_PRIV_FLAG("veb-stats", I40E_FLAG_VEB_STATS_ENABLED, 0), - I40E_PRIV_FLAG("hw-atr-eviction", I40E_FLAG_HW_ATR_EVICT_CAPABLE, 0), + I40E_PRIV_FLAG("hw-atr-eviction", I40E_FLAG_HW_ATR_EVICT_ENABLED, 0), I40E_PRIV_FLAG("legacy-rx", I40E_FLAG_LEGACY_RX, 0), }; @@ -4092,7 +4092,7 @@ flags_complete: /* Only allow ATR evict on hardware that is capable of handling it */ if (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE) - pf->flags &= ~I40E_FLAG_HW_ATR_EVICT_CAPABLE; + pf->flags &= ~I40E_FLAG_HW_ATR_EVICT_ENABLED; if (changed_flags & I40E_FLAG_TRUE_PROMISC_SUPPORT) { u16 sw_flags = 0, valid_flags = 0; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index d5c9c9e..a7a4b28 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -295,7 +295,7 @@ struct i40e_vsi *i40e_find_vsi_from_id(struct i40e_pf *pf, u16 id) **/ void i40e_service_event_schedule(struct i40e_pf *pf) { - if (!test_bit(__I40E_VSI_DOWN, pf->state) && + if (!test_bit(__I40E_DOWN, pf->state) && !test_bit(__I40E_RESET_RECOVERY_PENDING, pf->state)) queue_work(i40e_wq, &pf->service_task); } @@ -3611,7 +3611,7 @@ static irqreturn_t i40e_intr(int irq, void *data) * this is not a performance path and napi_schedule() * can deal with rescheduling. */ - if (!test_bit(__I40E_VSI_DOWN, pf->state)) + if (!test_bit(__I40E_DOWN, pf->state)) napi_schedule_irqoff(&q_vector->napi); } @@ -3687,7 +3687,7 @@ static irqreturn_t i40e_intr(int irq, void *data) enable_intr: /* re-enable interrupt causes */ wr32(hw, I40E_PFINT_ICR0_ENA, ena_mask); - if (!test_bit(__I40E_VSI_DOWN, pf->state)) { + if (!test_bit(__I40E_DOWN, pf->state)) { i40e_service_event_schedule(pf); i40e_irq_dynamic_enable_icr0(pf, false); } @@ -6203,7 +6203,7 @@ static void i40e_fdir_reinit_subtask(struct i40e_pf *pf) { /* if interface is down do nothing */ - if (test_bit(__I40E_VSI_DOWN, pf->state)) + if (test_bit(__I40E_DOWN, pf->state)) return; if (test_bit(__I40E_FD_FLUSH_REQUESTED, pf->state)) @@ -6344,7 +6344,7 @@ static void i40e_watchdog_subtask(struct i40e_pf *pf) int i; /* if interface is down do nothing */ - if (test_bit(__I40E_VSI_DOWN, pf->state) || + if (test_bit(__I40E_DOWN, pf->state) || test_bit(__I40E_CONFIG_BUSY, pf->state)) return; @@ -6399,9 +6399,9 @@ static void i40e_reset_subtask(struct i40e_pf *pf) reset_flags |= BIT(__I40E_GLOBAL_RESET_REQUESTED); clear_bit(__I40E_GLOBAL_RESET_REQUESTED, pf->state); } - if (test_bit(__I40E_VSI_DOWN_REQUESTED, pf->state)) { - reset_flags |= BIT(__I40E_VSI_DOWN_REQUESTED); - clear_bit(__I40E_VSI_DOWN_REQUESTED, pf->state); + if (test_bit(__I40E_DOWN_REQUESTED, pf->state)) { + reset_flags |= BIT(__I40E_DOWN_REQUESTED); + clear_bit(__I40E_DOWN_REQUESTED, pf->state); } /* If there's a recovery already waiting, it takes @@ -6415,7 +6415,7 @@ static void i40e_reset_subtask(struct i40e_pf *pf) /* If we're already down or resetting, just bail */ if (reset_flags && - !test_bit(__I40E_VSI_DOWN, pf->state) && + !test_bit(__I40E_DOWN, pf->state) && !test_bit(__I40E_CONFIG_BUSY, pf->state)) { rtnl_lock(); i40e_do_reset(pf, reset_flags, true); @@ -7002,7 +7002,7 @@ static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired) u32 val; int v; - if (test_bit(__I40E_VSI_DOWN, pf->state)) + if (test_bit(__I40E_DOWN, pf->state)) goto clear_recovery; dev_dbg(&pf->pdev->dev, "Rebuilding internal switch\n"); @@ -8821,11 +8821,12 @@ static int i40e_sw_init(struct i40e_pf *pf) (pf->hw.aq.api_min_ver > 4))) { /* Supported in FW API version higher than 1.4 */ pf->flags |= I40E_FLAG_GENEVE_OFFLOAD_CAPABLE; - pf->flags = I40E_FLAG_HW_ATR_EVICT_CAPABLE; - } else { - pf->flags = I40E_FLAG_HW_ATR_EVICT_CAPABLE; } + /* Enable HW ATR eviction if possible */ + if (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE) + pf->flags |= I40E_FLAG_HW_ATR_EVICT_ENABLED; + pf->eeprom_version = 0xDEAD; pf->lan_veb = I40E_NO_VEB; pf->lan_vsi = I40E_NO_VSI; @@ -9767,7 +9768,7 @@ int i40e_vsi_release(struct i40e_vsi *vsi) return -ENODEV; } if (vsi == pf->vsi[pf->lan_vsi] && - !test_bit(__I40E_VSI_DOWN, pf->state)) { + !test_bit(__I40E_DOWN, pf->state)) { dev_info(&pf->pdev->dev, "Can't remove PF VSI\n"); return -ENODEV; } @@ -11003,7 +11004,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } pf->next_vsi = 0; pf->pdev = pdev; - set_bit(__I40E_VSI_DOWN, pf->state); + set_bit(__I40E_DOWN, pf->state); hw = &pf->hw; hw->back = pf; @@ -11293,7 +11294,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) * before setting up the misc vector or we get a race and the vector * ends up disabled forever. */ - clear_bit(__I40E_VSI_DOWN, pf->state); + clear_bit(__I40E_DOWN, pf->state); /* In case of MSIX we are going to setup the misc vector right here * to handle admin queue events etc. In case of legacy and MSI @@ -11448,7 +11449,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* Unwind what we've done if something failed in the setup */ err_vsis: - set_bit(__I40E_VSI_DOWN, pf->state); + set_bit(__I40E_DOWN, pf->state); i40e_clear_interrupt_scheme(pf); kfree(pf->vsi); err_switch_setup: @@ -11500,7 +11501,7 @@ static void i40e_remove(struct pci_dev *pdev) /* no more scheduling of any task */ set_bit(__I40E_SUSPENDED, pf->state); - set_bit(__I40E_VSI_DOWN, pf->state); + set_bit(__I40E_DOWN, pf->state); if (pf->service_timer.data) del_timer_sync(&pf->service_timer); if (pf->service_task.func) @@ -11740,7 +11741,7 @@ static void i40e_shutdown(struct pci_dev *pdev) struct i40e_hw *hw = &pf->hw; set_bit(__I40E_SUSPENDED, pf->state); - set_bit(__I40E_VSI_DOWN, pf->state); + set_bit(__I40E_DOWN, pf->state); rtnl_lock(); i40e_prep_for_reset(pf, true); rtnl_unlock(); @@ -11789,7 +11790,7 @@ static int i40e_suspend(struct pci_dev *pdev, pm_message_t state) int retval = 0; set_bit(__I40E_SUSPENDED, pf->state); - set_bit(__I40E_VSI_DOWN, pf->state); + set_bit(__I40E_DOWN, pf->state); if (pf->wol_en && (pf->flags & I40E_FLAG_WOL_MC_MAGIC_PKT_WAKE)) i40e_enable_mc_magic_wake(pf); @@ -11841,7 +11842,7 @@ static int i40e_resume(struct pci_dev *pdev) /* handling the reset will rebuild the device state */ if (test_and_clear_bit(__I40E_SUSPENDED, pf->state)) { - clear_bit(__I40E_VSI_DOWN, pf->state); + clear_bit(__I40E_DOWN, pf->state); rtnl_lock(); i40e_reset_and_rebuild(pf, false, true); rtnl_unlock(); diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 29321a6..77115c2 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -1854,7 +1854,8 @@ static struct sk_buff *i40e_build_skb(struct i40e_ring *rx_ring, #if (PAGE_SIZE < 8192) unsigned int truesize = i40e_rx_pg_size(rx_ring) / 2; #else - unsigned int truesize = SKB_DATA_ALIGN(size); + unsigned int truesize = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) + + SKB_DATA_ALIGN(I40E_SKB_PAD + size); #endif struct sk_buff *skb; @@ -2340,7 +2341,7 @@ static void i40e_atr(struct i40e_ring *tx_ring, struct sk_buff *skb, /* Due to lack of space, no more new filters can be programmed */ if (th->syn && (pf->flags & I40E_FLAG_FD_ATR_AUTO_DISABLED)) return; - if (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE) { + if (pf->flags & I40E_FLAG_HW_ATR_EVICT_ENABLED) { /* HW ATR eviction will take care of removing filters on FIN * and RST packets. */ @@ -2402,7 +2403,7 @@ static void i40e_atr(struct i40e_ring *tx_ring, struct sk_buff *skb, I40E_TXD_FLTR_QW1_CNTINDEX_SHIFT) & I40E_TXD_FLTR_QW1_CNTINDEX_MASK; - if (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE) + if (pf->flags & I40E_FLAG_HW_ATR_EVICT_ENABLED) dtype_cmd |= I40E_TXD_FLTR_QW1_ATR_MASK; fdir_desc->qindex_flex_ptype_vsi = cpu_to_le32(flex_ptype); diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 95c23fb..0fb38ca 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -3017,10 +3017,12 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id, VLAN_VID_MASK)); } + spin_unlock_bh(&vsi->mac_filter_hash_lock); if (vlan_id || qos) ret = i40e_vsi_add_pvid(vsi, vlanprio); else i40e_vsi_remove_pvid(vsi); + spin_lock_bh(&vsi->mac_filter_hash_lock); if (vlan_id) { dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n", diff --git a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c index dfe241a..12b02e5 100644 --- a/drivers/net/ethernet/intel/i40evf/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40evf/i40e_txrx.c @@ -1190,7 +1190,8 @@ static struct sk_buff *i40e_build_skb(struct i40e_ring *rx_ring, #if (PAGE_SIZE < 8192) unsigned int truesize = i40e_rx_pg_size(rx_ring) / 2; #else - unsigned int truesize = SKB_DATA_ALIGN(size); + unsigned int truesize = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) + + SKB_DATA_ALIGN(I40E_SKB_PAD + size); #endif struct sk_buff *skb; diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index 9b875d7..33c9016 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -3719,7 +3719,7 @@ static void mvpp2_bm_bufs_get_addrs(struct device *dev, struct mvpp2 *priv, dma_addr_t *dma_addr, phys_addr_t *phys_addr) { - int cpu = smp_processor_id(); + int cpu = get_cpu(); *dma_addr = mvpp2_percpu_read(priv, cpu, MVPP2_BM_PHY_ALLOC_REG(bm_pool->id)); @@ -3740,6 +3740,8 @@ static void mvpp2_bm_bufs_get_addrs(struct device *dev, struct mvpp2 *priv, if (sizeof(phys_addr_t) == 8) *phys_addr |= (u64)phys_addr_highbits << 32; } + + put_cpu(); } /* Free all buffers from the pool */ @@ -3920,18 +3922,12 @@ static inline u32 mvpp2_bm_cookie_pool_set(u32 cookie, int pool) return bm; } -/* Get pool number from a BM cookie */ -static inline int mvpp2_bm_cookie_pool_get(unsigned long cookie) -{ - return (cookie >> MVPP2_BM_COOKIE_POOL_OFFS) & 0xFF; -} - /* Release buffer to BM */ static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool, dma_addr_t buf_dma_addr, phys_addr_t buf_phys_addr) { - int cpu = smp_processor_id(); + int cpu = get_cpu(); if (port->priv->hw_version == MVPP22) { u32 val = 0; @@ -3958,15 +3954,15 @@ static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool, MVPP2_BM_VIRT_RLS_REG, buf_phys_addr); mvpp2_percpu_write(port->priv, cpu, MVPP2_BM_PHY_RLS_REG(pool), buf_dma_addr); + + put_cpu(); } /* Refill BM pool */ -static void mvpp2_pool_refill(struct mvpp2_port *port, u32 bm, +static void mvpp2_pool_refill(struct mvpp2_port *port, int pool, dma_addr_t dma_addr, phys_addr_t phys_addr) { - int pool = mvpp2_bm_cookie_pool_get(bm); - mvpp2_bm_pool_put(port, pool, dma_addr, phys_addr); } @@ -4186,8 +4182,6 @@ static void mvpp22_port_mii_set(struct mvpp2_port *port) { u32 val; - return; - /* Only GOP port 0 has an XLG MAC */ if (port->gop_id == 0) { val = readl(port->base + MVPP22_XLG_CTRL3_REG); @@ -4515,21 +4509,6 @@ static void mvpp2_rxq_offset_set(struct mvpp2_port *port, mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val); } -/* Obtain BM cookie information from descriptor */ -static u32 mvpp2_bm_cookie_build(struct mvpp2_port *port, - struct mvpp2_rx_desc *rx_desc) -{ - int cpu = smp_processor_id(); - int pool; - - pool = (mvpp2_rxdesc_status_get(port, rx_desc) & - MVPP2_RXD_BM_POOL_ID_MASK) >> - MVPP2_RXD_BM_POOL_ID_OFFS; - - return ((pool & 0xFF) << MVPP2_BM_COOKIE_POOL_OFFS) | - ((cpu & 0xFF) << MVPP2_BM_COOKIE_CPU_OFFS); -} - /* Tx descriptors helper methods */ /* Get pointer to next Tx descriptor to be processed (send) by HW */ @@ -4757,7 +4736,7 @@ static void mvpp2_txp_max_tx_size_set(struct mvpp2_port *port) static void mvpp2_rx_pkts_coal_set(struct mvpp2_port *port, struct mvpp2_rx_queue *rxq) { - int cpu = smp_processor_id(); + int cpu = get_cpu(); if (rxq->pkts_coal > MVPP2_OCCUPIED_THRESH_MASK) rxq->pkts_coal = MVPP2_OCCUPIED_THRESH_MASK; @@ -4765,6 +4744,8 @@ static void mvpp2_rx_pkts_coal_set(struct mvpp2_port *port, mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_NUM_REG, rxq->id); mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_THRESH_REG, rxq->pkts_coal); + + put_cpu(); } static u32 mvpp2_usec_to_cycles(u32 usec, unsigned long clk_hz) @@ -4945,7 +4926,7 @@ static int mvpp2_rxq_init(struct mvpp2_port *port, mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0); /* Set Rx descriptors queue starting address - indirect access */ - cpu = smp_processor_id(); + cpu = get_cpu(); mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_NUM_REG, rxq->id); if (port->priv->hw_version == MVPP21) rxq_dma = rxq->descs_dma; @@ -4954,6 +4935,7 @@ static int mvpp2_rxq_init(struct mvpp2_port *port, mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_DESC_ADDR_REG, rxq_dma); mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_DESC_SIZE_REG, rxq->size); mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_INDEX_REG, 0); + put_cpu(); /* Set Offset */ mvpp2_rxq_offset_set(port, rxq->id, NET_SKB_PAD); @@ -4980,9 +4962,13 @@ static void mvpp2_rxq_drop_pkts(struct mvpp2_port *port, for (i = 0; i < rx_received; i++) { struct mvpp2_rx_desc *rx_desc = mvpp2_rxq_next_desc_get(rxq); - u32 bm = mvpp2_bm_cookie_build(port, rx_desc); + u32 status = mvpp2_rxdesc_status_get(port, rx_desc); + int pool; + + pool = (status & MVPP2_RXD_BM_POOL_ID_MASK) >> + MVPP2_RXD_BM_POOL_ID_OFFS; - mvpp2_pool_refill(port, bm, + mvpp2_pool_refill(port, pool, mvpp2_rxdesc_dma_addr_get(port, rx_desc), mvpp2_rxdesc_cookie_get(port, rx_desc)); } @@ -5012,10 +4998,11 @@ static void mvpp2_rxq_deinit(struct mvpp2_port *port, * free descriptor number */ mvpp2_write(port->priv, MVPP2_RXQ_STATUS_REG(rxq->id), 0); - cpu = smp_processor_id(); + cpu = get_cpu(); mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_NUM_REG, rxq->id); mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_DESC_ADDR_REG, 0); mvpp2_percpu_write(port->priv, cpu, MVPP2_RXQ_DESC_SIZE_REG, 0); + put_cpu(); } /* Create and initialize a Tx queue */ @@ -5038,7 +5025,7 @@ static int mvpp2_txq_init(struct mvpp2_port *port, txq->last_desc = txq->size - 1; /* Set Tx descriptors queue starting address - indirect access */ - cpu = smp_processor_id(); + cpu = get_cpu(); mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_NUM_REG, txq->id); mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_DESC_ADDR_REG, txq->descs_dma); @@ -5063,6 +5050,7 @@ static int mvpp2_txq_init(struct mvpp2_port *port, mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_PREF_BUF_REG, MVPP2_PREF_BUF_PTR(desc) | MVPP2_PREF_BUF_SIZE_16 | MVPP2_PREF_BUF_THRESH(desc_per_txq / 2)); + put_cpu(); /* WRR / EJP configuration - indirect access */ tx_port_num = mvpp2_egress_port(port); @@ -5133,10 +5121,11 @@ static void mvpp2_txq_deinit(struct mvpp2_port *port, mvpp2_write(port->priv, MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(txq->id), 0); /* Set Tx descriptors queue starting address and size */ - cpu = smp_processor_id(); + cpu = get_cpu(); mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_NUM_REG, txq->id); mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_DESC_ADDR_REG, 0); mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_DESC_SIZE_REG, 0); + put_cpu(); } /* Cleanup Tx ports */ @@ -5146,7 +5135,7 @@ static void mvpp2_txq_clean(struct mvpp2_port *port, struct mvpp2_tx_queue *txq) int delay, pending, cpu; u32 val; - cpu = smp_processor_id(); + cpu = get_cpu(); mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_NUM_REG, txq->id); val = mvpp2_percpu_read(port->priv, cpu, MVPP2_TXQ_PREF_BUF_REG); val |= MVPP2_TXQ_DRAIN_EN_MASK; @@ -5173,6 +5162,7 @@ static void mvpp2_txq_clean(struct mvpp2_port *port, struct mvpp2_tx_queue *txq) val &= ~MVPP2_TXQ_DRAIN_EN_MASK; mvpp2_percpu_write(port->priv, cpu, MVPP2_TXQ_PREF_BUF_REG, val); + put_cpu(); for_each_present_cpu(cpu) { txq_pcpu = per_cpu_ptr(txq->pcpu, cpu); @@ -5420,7 +5410,7 @@ static void mvpp2_rx_csum(struct mvpp2_port *port, u32 status, /* Reuse skb if possible, or allocate a new skb and add it to BM pool */ static int mvpp2_rx_refill(struct mvpp2_port *port, - struct mvpp2_bm_pool *bm_pool, u32 bm) + struct mvpp2_bm_pool *bm_pool, int pool) { dma_addr_t dma_addr; phys_addr_t phys_addr; @@ -5432,7 +5422,7 @@ static int mvpp2_rx_refill(struct mvpp2_port *port, if (!buf) return -ENOMEM; - mvpp2_pool_refill(port, bm, dma_addr, phys_addr); + mvpp2_pool_refill(port, pool, dma_addr, phys_addr); return 0; } @@ -5490,7 +5480,7 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo, unsigned int frag_size; dma_addr_t dma_addr; phys_addr_t phys_addr; - u32 bm, rx_status; + u32 rx_status; int pool, rx_bytes, err; void *data; @@ -5502,8 +5492,8 @@ static int mvpp2_rx(struct mvpp2_port *port, int rx_todo, phys_addr = mvpp2_rxdesc_cookie_get(port, rx_desc); data = (void *)phys_to_virt(phys_addr); - bm = mvpp2_bm_cookie_build(port, rx_desc); - pool = mvpp2_bm_cookie_pool_get(bm); + pool = (rx_status & MVPP2_RXD_BM_POOL_ID_MASK) >> + MVPP2_RXD_BM_POOL_ID_OFFS; bm_pool = &port->priv->bm_pools[pool]; /* In case of an error, release the requested buffer pointer @@ -5516,7 +5506,7 @@ err_drop_frame: dev->stats.rx_errors++; mvpp2_rx_error(port, rx_desc); /* Return the buffer to the pool */ - mvpp2_pool_refill(port, bm, dma_addr, phys_addr); + mvpp2_pool_refill(port, pool, dma_addr, phys_addr); continue; } @@ -5531,7 +5521,7 @@ err_drop_frame: goto err_drop_frame; } - err = mvpp2_rx_refill(port, bm_pool, bm); + err = mvpp2_rx_refill(port, bm_pool, pool); if (err) { netdev_err(port->dev, "failed to refill BM pools\n"); goto err_drop_frame; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c index ae5fdc2..ffbcb27 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c @@ -1562,11 +1562,6 @@ static int mlx4_en_flow_replace(struct net_device *dev, qpn = priv->drop_qp.qpn; else if (cmd->fs.ring_cookie & EN_ETHTOOL_QP_ATTACH) { qpn = cmd->fs.ring_cookie & (EN_ETHTOOL_QP_ATTACH - 1); - if (qpn < priv->rss_map.base_qpn || - qpn >= priv->rss_map.base_qpn + priv->rx_ring_num) { - en_warn(priv, "rxnfc: QP (0x%x) doesn't exist\n", qpn); - return -EINVAL; - } } else { if (cmd->fs.ring_cookie >= priv->rx_ring_num) { en_warn(priv, "rxnfc: RX ring (%llu) doesn't exist\n", diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c index 1a670b6..0710b36 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mcg.c +++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c @@ -35,6 +35,7 @@ #include <linux/etherdevice.h> #include <linux/mlx4/cmd.h> +#include <linux/mlx4/qp.h> #include <linux/export.h> #include "mlx4.h" @@ -985,16 +986,21 @@ int mlx4_flow_attach(struct mlx4_dev *dev, if (IS_ERR(mailbox)) return PTR_ERR(mailbox); + if (!mlx4_qp_lookup(dev, rule->qpn)) { + mlx4_err_rule(dev, "QP doesn't exist\n", rule); + ret = -EINVAL; + goto out; + } + trans_rule_ctrl_to_hw(rule, mailbox->buf); size += sizeof(struct mlx4_net_trans_rule_hw_ctrl); list_for_each_entry(cur, &rule->list, list) { ret = parse_trans_rule(dev, cur, mailbox->buf + size); - if (ret < 0) { - mlx4_free_cmd_mailbox(dev, mailbox); - return ret; - } + if (ret < 0) + goto out; + size += ret; } @@ -1021,6 +1027,7 @@ int mlx4_flow_attach(struct mlx4_dev *dev, } } +out: mlx4_free_cmd_mailbox(dev, mailbox); return ret; diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c index 2d6abd4..5a310d3 100644 --- a/drivers/net/ethernet/mellanox/mlx4/qp.c +++ b/drivers/net/ethernet/mellanox/mlx4/qp.c @@ -384,6 +384,19 @@ static void mlx4_qp_free_icm(struct mlx4_dev *dev, int qpn) __mlx4_qp_free_icm(dev, qpn); } +struct mlx4_qp *mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn) +{ + struct mlx4_qp_table *qp_table = &mlx4_priv(dev)->qp_table; + struct mlx4_qp *qp; + + spin_lock(&qp_table->lock); + + qp = __mlx4_qp_lookup(dev, qpn); + + spin_unlock(&qp_table->lock); + return qp; +} + int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp, gfp_t gfp) { struct mlx4_priv *priv = mlx4_priv(dev); @@ -471,6 +484,12 @@ int mlx4_update_qp(struct mlx4_dev *dev, u32 qpn, } if (attr & MLX4_UPDATE_QP_QOS_VPORT) { + if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_QOS_VPP)) { + mlx4_warn(dev, "Granular QoS per VF is not enabled\n"); + err = -EOPNOTSUPP; + goto out; + } + qp_mask |= 1ULL << MLX4_UPD_QP_MASK_QOS_VPP; cmd->qp_context.qos_vport = params->qos_vport; } diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 0751654..8127838 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -5255,6 +5255,13 @@ void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave) mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); } +static void update_qos_vpp(struct mlx4_update_qp_context *ctx, + struct mlx4_vf_immed_vlan_work *work) +{ + ctx->qp_mask |= cpu_to_be64(1ULL << MLX4_UPD_QP_MASK_QOS_VPP); + ctx->qp_context.qos_vport = work->qos_vport; +} + void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work) { struct mlx4_vf_immed_vlan_work *work = @@ -5369,11 +5376,10 @@ void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work) qp->sched_queue & 0xC7; upd_context->qp_context.pri_path.sched_queue |= ((work->qos & 0x7) << 3); - upd_context->qp_mask |= - cpu_to_be64(1ULL << - MLX4_UPD_QP_MASK_QOS_VPP); - upd_context->qp_context.qos_vport = - work->qos_vport; + + if (dev->caps.flags2 & + MLX4_DEV_CAP_FLAG2_QOS_VPP) + update_qos_vpp(upd_context, work); } err = mlx4_cmd(dev, mailbox->dma, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 2fd044b..944fc17 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -458,13 +458,15 @@ struct mlx5e_mpw_info { struct mlx5e_rx_am_stats { int ppms; /* packets per msec */ + int bpms; /* bytes per msec */ int epms; /* events per msec */ }; struct mlx5e_rx_am_sample { - ktime_t time; - unsigned int pkt_ctr; - u16 event_ctr; + ktime_t time; + u32 pkt_ctr; + u32 byte_ctr; + u16 event_ctr; }; struct mlx5e_rx_am { /* Adaptive Moderation */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index 8209aff..16486df 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -1242,11 +1242,11 @@ static int mlx5e_get_ts_info(struct net_device *dev, SOF_TIMESTAMPING_RX_HARDWARE | SOF_TIMESTAMPING_RAW_HARDWARE; - info->tx_types = (BIT(1) << HWTSTAMP_TX_OFF) | - (BIT(1) << HWTSTAMP_TX_ON); + info->tx_types = BIT(HWTSTAMP_TX_OFF) | + BIT(HWTSTAMP_TX_ON); - info->rx_filters = (BIT(1) << HWTSTAMP_FILTER_NONE) | - (BIT(1) << HWTSTAMP_FILTER_ALL); + info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | + BIT(HWTSTAMP_FILTER_ALL); return 0; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 41cd22a..277f4de 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -4241,7 +4241,8 @@ struct net_device *mlx5e_create_netdev(struct mlx5_core_dev *mdev, return netdev; err_cleanup_nic: - profile->cleanup(priv); + if (profile->cleanup) + profile->cleanup(priv); free_netdev(netdev); return NULL; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 79462c0..46984a5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -791,6 +791,8 @@ static void mlx5e_build_rep_params(struct mlx5_core_dev *mdev, params->tx_max_inline = mlx5e_get_max_inline_cap(mdev); params->num_tc = 1; params->lro_wqe_sz = MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ; + + mlx5_query_min_inline(mdev, ¶ms->tx_min_inline_mode); } static void mlx5e_build_rep_netdev(struct net_device *netdev) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx_am.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx_am.c index 02dd3a9..acf32fe 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx_am.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx_am.c @@ -183,28 +183,27 @@ static void mlx5e_am_exit_parking(struct mlx5e_rx_am *am) mlx5e_am_step(am); } +#define IS_SIGNIFICANT_DIFF(val, ref) \ + (((100 * abs((val) - (ref))) / (ref)) > 10) /* more than 10% difference */ + static int mlx5e_am_stats_compare(struct mlx5e_rx_am_stats *curr, struct mlx5e_rx_am_stats *prev) { - int diff; - - if (!prev->ppms) - return curr->ppms ? MLX5E_AM_STATS_BETTER : + if (!prev->bpms) + return curr->bpms ? MLX5E_AM_STATS_BETTER : MLX5E_AM_STATS_SAME; - diff = curr->ppms - prev->ppms; - if (((100 * abs(diff)) / prev->ppms) > 10) /* more than 10% diff */ - return (diff > 0) ? MLX5E_AM_STATS_BETTER : - MLX5E_AM_STATS_WORSE; + if (IS_SIGNIFICANT_DIFF(curr->bpms, prev->bpms)) + return (curr->bpms > prev->bpms) ? MLX5E_AM_STATS_BETTER : + MLX5E_AM_STATS_WORSE; - if (!prev->epms) - return curr->epms ? MLX5E_AM_STATS_WORSE : - MLX5E_AM_STATS_SAME; + if (IS_SIGNIFICANT_DIFF(curr->ppms, prev->ppms)) + return (curr->ppms > prev->ppms) ? MLX5E_AM_STATS_BETTER : + MLX5E_AM_STATS_WORSE; - diff = curr->epms - prev->epms; - if (((100 * abs(diff)) / prev->epms) > 10) /* more than 10% diff */ - return (diff < 0) ? MLX5E_AM_STATS_BETTER : - MLX5E_AM_STATS_WORSE; + if (IS_SIGNIFICANT_DIFF(curr->epms, prev->epms)) + return (curr->epms < prev->epms) ? MLX5E_AM_STATS_BETTER : + MLX5E_AM_STATS_WORSE; return MLX5E_AM_STATS_SAME; } @@ -266,10 +265,13 @@ static void mlx5e_am_sample(struct mlx5e_rq *rq, { s->time = ktime_get(); s->pkt_ctr = rq->stats.packets; + s->byte_ctr = rq->stats.bytes; s->event_ctr = rq->cq.event_ctr; } #define MLX5E_AM_NEVENTS 64 +#define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE) +#define BIT_GAP(bits, end, start) ((((end) - (start)) + BIT_ULL(bits)) & (BIT_ULL(bits) - 1)) static void mlx5e_am_calc_stats(struct mlx5e_rx_am_sample *start, struct mlx5e_rx_am_sample *end, @@ -277,13 +279,17 @@ static void mlx5e_am_calc_stats(struct mlx5e_rx_am_sample *start, { /* u32 holds up to 71 minutes, should be enough */ u32 delta_us = ktime_us_delta(end->time, start->time); - unsigned int npkts = end->pkt_ctr - start->pkt_ctr; + u32 npkts = BIT_GAP(BITS_PER_TYPE(u32), end->pkt_ctr, start->pkt_ctr); + u32 nbytes = BIT_GAP(BITS_PER_TYPE(u32), end->byte_ctr, + start->byte_ctr); if (!delta_us) return; - curr_stats->ppms = (npkts * USEC_PER_MSEC) / delta_us; - curr_stats->epms = (MLX5E_AM_NEVENTS * USEC_PER_MSEC) / delta_us; + curr_stats->ppms = DIV_ROUND_UP(npkts * USEC_PER_MSEC, delta_us); + curr_stats->bpms = DIV_ROUND_UP(nbytes * USEC_PER_MSEC, delta_us); + curr_stats->epms = DIV_ROUND_UP(MLX5E_AM_NEVENTS * USEC_PER_MSEC, + delta_us); } void mlx5e_rx_am_work(struct work_struct *work) @@ -308,7 +314,8 @@ void mlx5e_rx_am(struct mlx5e_rq *rq) switch (am->state) { case MLX5E_AM_MEASURE_IN_PROGRESS: - nevents = rq->cq.event_ctr - am->start_sample.event_ctr; + nevents = BIT_GAP(BITS_PER_TYPE(u16), rq->cq.event_ctr, + am->start_sample.event_ctr); if (nevents < MLX5E_AM_NEVENTS) break; mlx5e_am_sample(rq, &end_sample); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h index 53e4992..f81c3aa 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h @@ -417,20 +417,13 @@ struct mlx5e_stats { }; static const struct counter_desc mlx5e_pme_status_desc[] = { - { "module_plug", 0 }, { "module_unplug", 8 }, }; static const struct counter_desc mlx5e_pme_error_desc[] = { - { "module_pwr_budget_exd", 0 }, /* power budget exceed */ - { "module_long_range", 8 }, /* long range for non MLNX cable */ - { "module_bus_stuck", 16 }, /* bus stuck (I2C or data shorted) */ - { "module_no_eeprom", 24 }, /* no eeprom/retry time out */ - { "module_enforce_part", 32 }, /* enforce part number list */ - { "module_unknown_id", 40 }, /* unknown identifier */ - { "module_high_temp", 48 }, /* high temperature */ + { "module_bus_stuck", 16 }, /* bus stuck (I2C or data shorted) */ + { "module_high_temp", 48 }, /* high temperature */ { "module_bad_shorted", 56 }, /* bad or shorted cable/module */ - { "module_unknown_status", 64 }, }; #endif /* __MLX5_EN_STATS_H__ */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index ec63158..9df9fc0 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -895,7 +895,6 @@ static struct mlx5_fields fields[] = { {MLX5_ACTION_IN_FIELD_OUT_SMAC_15_0, 2, offsetof(struct pedit_headers, eth.h_source[4])}, {MLX5_ACTION_IN_FIELD_OUT_ETHERTYPE, 2, offsetof(struct pedit_headers, eth.h_proto)}, - {MLX5_ACTION_IN_FIELD_OUT_IP_DSCP, 1, offsetof(struct pedit_headers, ip4.tos)}, {MLX5_ACTION_IN_FIELD_OUT_IP_TTL, 1, offsetof(struct pedit_headers, ip4.ttl)}, {MLX5_ACTION_IN_FIELD_OUT_SIPV4, 4, offsetof(struct pedit_headers, ip4.saddr)}, {MLX5_ACTION_IN_FIELD_OUT_DIPV4, 4, offsetof(struct pedit_headers, ip4.daddr)}, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index f991f66..a53e982 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -906,21 +906,34 @@ static int esw_inline_mode_to_devlink(u8 mlx5_mode, u8 *mode) return 0; } -int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode) +static int mlx5_devlink_eswitch_check(struct devlink *devlink) { - struct mlx5_core_dev *dev; - u16 cur_mlx5_mode, mlx5_mode = 0; + struct mlx5_core_dev *dev = devlink_priv(devlink); - dev = devlink_priv(devlink); + if (MLX5_CAP_GEN(dev, port_type) != MLX5_CAP_PORT_TYPE_ETH) + return -EOPNOTSUPP; if (!MLX5_CAP_GEN(dev, vport_group_manager)) return -EOPNOTSUPP; - cur_mlx5_mode = dev->priv.eswitch->mode; - - if (cur_mlx5_mode == SRIOV_NONE) + if (dev->priv.eswitch->mode == SRIOV_NONE) return -EOPNOTSUPP; + return 0; +} + +int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode) +{ + struct mlx5_core_dev *dev = devlink_priv(devlink); + u16 cur_mlx5_mode, mlx5_mode = 0; + int err; + + err = mlx5_devlink_eswitch_check(devlink); + if (err) + return err; + + cur_mlx5_mode = dev->priv.eswitch->mode; + if (esw_mode_from_devlink(mode, &mlx5_mode)) return -EINVAL; @@ -937,15 +950,12 @@ int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode) int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode) { - struct mlx5_core_dev *dev; - - dev = devlink_priv(devlink); - - if (!MLX5_CAP_GEN(dev, vport_group_manager)) - return -EOPNOTSUPP; + struct mlx5_core_dev *dev = devlink_priv(devlink); + int err; - if (dev->priv.eswitch->mode == SRIOV_NONE) - return -EOPNOTSUPP; + err = mlx5_devlink_eswitch_check(devlink); + if (err) + return err; return esw_mode_to_devlink(dev->priv.eswitch->mode, mode); } @@ -954,15 +964,12 @@ int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode) { struct mlx5_core_dev *dev = devlink_priv(devlink); struct mlx5_eswitch *esw = dev->priv.eswitch; - int num_vports = esw->enabled_vports; int err, vport; u8 mlx5_mode; - if (!MLX5_CAP_GEN(dev, vport_group_manager)) - return -EOPNOTSUPP; - - if (esw->mode == SRIOV_NONE) - return -EOPNOTSUPP; + err = mlx5_devlink_eswitch_check(devlink); + if (err) + return err; switch (MLX5_CAP_ETH(dev, wqe_inline_mode)) { case MLX5_CAP_INLINE_MODE_NOT_REQUIRED: @@ -985,7 +992,7 @@ int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode) if (err) goto out; - for (vport = 1; vport < num_vports; vport++) { + for (vport = 1; vport < esw->enabled_vports; vport++) { err = mlx5_modify_nic_vport_min_inline(dev, vport, mlx5_mode); if (err) { esw_warn(dev, "Failed to set min inline on vport %d\n", @@ -1010,12 +1017,11 @@ int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode) { struct mlx5_core_dev *dev = devlink_priv(devlink); struct mlx5_eswitch *esw = dev->priv.eswitch; + int err; - if (!MLX5_CAP_GEN(dev, vport_group_manager)) - return -EOPNOTSUPP; - - if (esw->mode == SRIOV_NONE) - return -EOPNOTSUPP; + err = mlx5_devlink_eswitch_check(devlink); + if (err) + return err; return esw_inline_mode_to_devlink(esw->offloads.inline_mode, mode); } @@ -1062,11 +1068,9 @@ int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, u8 encap) struct mlx5_eswitch *esw = dev->priv.eswitch; int err; - if (!MLX5_CAP_GEN(dev, vport_group_manager)) - return -EOPNOTSUPP; - - if (esw->mode == SRIOV_NONE) - return -EOPNOTSUPP; + err = mlx5_devlink_eswitch_check(devlink); + if (err) + return err; if (encap != DEVLINK_ESWITCH_ENCAP_MODE_NONE && (!MLX5_CAP_ESW_FLOWTABLE_FDB(dev, encap) || @@ -1105,12 +1109,11 @@ int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, u8 *encap) { struct mlx5_core_dev *dev = devlink_priv(devlink); struct mlx5_eswitch *esw = dev->priv.eswitch; + int err; - if (!MLX5_CAP_GEN(dev, vport_group_manager)) - return -EOPNOTSUPP; - - if (esw->mode == SRIOV_NONE) - return -EOPNOTSUPP; + err = mlx5_devlink_eswitch_check(devlink); + if (err) + return err; *encap = esw->offloads.encap; return 0; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 0e487e8..8f5125c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -862,7 +862,7 @@ struct mlx5_flow_table *mlx5_create_vport_flow_table(struct mlx5_flow_namespace ft_attr.level = level; ft_attr.prio = prio; - return __mlx5_create_flow_table(ns, &ft_attr, FS_FT_OP_MOD_NORMAL, 0); + return __mlx5_create_flow_table(ns, &ft_attr, FS_FT_OP_MOD_NORMAL, vport); } struct mlx5_flow_table* diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c index 44f59b1..f27f84f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c @@ -275,10 +275,8 @@ static void poll_health(unsigned long data) struct mlx5_core_health *health = &dev->priv.health; u32 count; - if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { - mod_timer(&health->timer, get_next_poll_jiffies()); - return; - } + if (dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) + goto out; count = ioread32be(health->health_counter); if (count == health->prev) @@ -290,8 +288,6 @@ static void poll_health(unsigned long data) if (health->miss_counter == MAX_MISSES) { dev_err(&dev->pdev->dev, "device's health compromised - reached miss count\n"); print_health_info(dev); - } else { - mod_timer(&health->timer, get_next_poll_jiffies()); } if (in_fatal(dev) && !health->sick) { @@ -305,6 +301,9 @@ static void poll_health(unsigned long data) "new health works are not permitted at this stage\n"); spin_unlock(&health->wq_lock); } + +out: + mod_timer(&health->timer, get_next_poll_jiffies()); } void mlx5_start_health_poll(struct mlx5_core_dev *dev) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index fe5546b..13be264 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -175,8 +175,9 @@ static struct mlx5_profile profile[] = { }, }; -#define FW_INIT_TIMEOUT_MILI 2000 -#define FW_INIT_WAIT_MS 2 +#define FW_INIT_TIMEOUT_MILI 2000 +#define FW_INIT_WAIT_MS 2 +#define FW_PRE_INIT_TIMEOUT_MILI 10000 static int wait_fw_init(struct mlx5_core_dev *dev, u32 max_wait_mili) { @@ -537,8 +538,10 @@ static int handle_hca_cap(struct mlx5_core_dev *dev) /* disable cmdif checksum */ MLX5_SET(cmd_hca_cap, set_hca_cap, cmdif_checksum, 0); - /* If the HCA supports 4K UARs use it */ - if (MLX5_CAP_GEN_MAX(dev, uar_4k)) + /* Enable 4K UAR only when HCA supports it and page size is bigger + * than 4K. + */ + if (MLX5_CAP_GEN_MAX(dev, uar_4k) && PAGE_SIZE > 4096) MLX5_SET(cmd_hca_cap, set_hca_cap, uar_4k, 1); MLX5_SET(cmd_hca_cap, set_hca_cap, log_uar_page_sz, PAGE_SHIFT - 12); @@ -621,10 +624,9 @@ static int mlx5_irq_set_affinity_hint(struct mlx5_core_dev *mdev, int i) cpumask_set_cpu(cpumask_local_spread(i, priv->numa_node), priv->irq_info[i].mask); -#ifdef CONFIG_SMP - if (irq_set_affinity_hint(irq, priv->irq_info[i].mask)) + if (IS_ENABLED(CONFIG_SMP) && + irq_set_affinity_hint(irq, priv->irq_info[i].mask)) mlx5_core_warn(mdev, "irq_set_affinity_hint failed, irq 0x%.4x", irq); -#endif return 0; } @@ -1012,6 +1014,15 @@ static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv, */ dev->state = MLX5_DEVICE_STATE_UP; + /* wait for firmware to accept initialization segments configurations + */ + err = wait_fw_init(dev, FW_PRE_INIT_TIMEOUT_MILI); + if (err) { + dev_err(&dev->pdev->dev, "Firmware over %d MS in pre-initializing state, aborting\n", + FW_PRE_INIT_TIMEOUT_MILI); + goto out; + } + err = mlx5_cmd_init(dev); if (err) { dev_err(&pdev->dev, "Failed initializing command interface, aborting\n"); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 9f89c41..0744452 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -3334,6 +3334,9 @@ static int mlxsw_sp_inetaddr_vlan_event(struct net_device *vlan_dev, struct mlxsw_sp *mlxsw_sp = mlxsw_sp_lower_get(vlan_dev); u16 vid = vlan_dev_vlan_id(vlan_dev); + if (netif_is_bridge_port(vlan_dev)) + return 0; + if (mlxsw_sp_port_dev_check(real_dev)) return mlxsw_sp_inetaddr_vport_event(vlan_dev, real_dev, event, vid); diff --git a/drivers/net/ethernet/qlogic/qed/qed_debug.c b/drivers/net/ethernet/qlogic/qed/qed_debug.c index 483241b..a672f6a 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_debug.c +++ b/drivers/net/ethernet/qlogic/qed/qed_debug.c @@ -2956,7 +2956,7 @@ static u32 qed_grc_dump_ctx_data(struct qed_hwfn *p_hwfn, qed_wr(p_hwfn, p_ptt, s_storm_defs[storm_id].cm_ctx_wr_addr, - BIT(9) | lid); + (i << 9) | lid); *(dump_buf + offset) = qed_rd(p_hwfn, p_ptt, rd_reg_addr); diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c index 537d123..715b3aa 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -1730,7 +1730,8 @@ void qed_get_protocol_stats(struct qed_dev *cdev, qed_get_protocol_stats_iscsi(cdev, &stats->iscsi_stats); break; default: - DP_ERR(cdev, "Invalid protocol type = %d\n", type); + DP_VERBOSE(cdev, QED_MSG_SP, + "Invalid protocol type = %d\n", type); return; } } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index 7245b10..8131292 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -1824,22 +1824,44 @@ struct qlcnic_hardware_ops { u32 (*get_cap_size)(void *, int); void (*set_sys_info)(void *, int, u32); void (*store_cap_mask)(void *, u32); + bool (*encap_rx_offload) (struct qlcnic_adapter *adapter); + bool (*encap_tx_offload) (struct qlcnic_adapter *adapter); }; extern struct qlcnic_nic_template qlcnic_vf_ops; -static inline bool qlcnic_encap_tx_offload(struct qlcnic_adapter *adapter) +static inline bool qlcnic_83xx_encap_tx_offload(struct qlcnic_adapter *adapter) { return adapter->ahw->extra_capability[0] & QLCNIC_83XX_FW_CAPAB_ENCAP_TX_OFFLOAD; } -static inline bool qlcnic_encap_rx_offload(struct qlcnic_adapter *adapter) +static inline bool qlcnic_83xx_encap_rx_offload(struct qlcnic_adapter *adapter) { return adapter->ahw->extra_capability[0] & QLCNIC_83XX_FW_CAPAB_ENCAP_RX_OFFLOAD; } +static inline bool qlcnic_82xx_encap_tx_offload(struct qlcnic_adapter *adapter) +{ + return false; +} + +static inline bool qlcnic_82xx_encap_rx_offload(struct qlcnic_adapter *adapter) +{ + return false; +} + +static inline bool qlcnic_encap_rx_offload(struct qlcnic_adapter *adapter) +{ + return adapter->ahw->hw_ops->encap_rx_offload(adapter); +} + +static inline bool qlcnic_encap_tx_offload(struct qlcnic_adapter *adapter) +{ + return adapter->ahw->hw_ops->encap_tx_offload(adapter); +} + static inline int qlcnic_start_firmware(struct qlcnic_adapter *adapter) { return adapter->nic_ops->start_firmware(adapter); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c index 4fb6879..f7080d0 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -242,6 +242,8 @@ static struct qlcnic_hardware_ops qlcnic_83xx_hw_ops = { .get_cap_size = qlcnic_83xx_get_cap_size, .set_sys_info = qlcnic_83xx_set_sys_info, .store_cap_mask = qlcnic_83xx_store_cap_mask, + .encap_rx_offload = qlcnic_83xx_encap_rx_offload, + .encap_tx_offload = qlcnic_83xx_encap_tx_offload, }; static struct qlcnic_nic_template qlcnic_83xx_ops = { diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c index 838cc0c..7848cf0 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c @@ -341,7 +341,7 @@ qlcnic_pcie_sem_lock(struct qlcnic_adapter *adapter, int sem, u32 id_reg) } return -EIO; } - usleep_range(1000, 1500); + udelay(1200); } if (id_reg) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index b6628aa..1b5f7d5 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -632,6 +632,8 @@ static struct qlcnic_hardware_ops qlcnic_hw_ops = { .get_cap_size = qlcnic_82xx_get_cap_size, .set_sys_info = qlcnic_82xx_set_sys_info, .store_cap_mask = qlcnic_82xx_store_cap_mask, + .encap_rx_offload = qlcnic_82xx_encap_rx_offload, + .encap_tx_offload = qlcnic_82xx_encap_tx_offload, }; static int qlcnic_check_multi_tx_capability(struct qlcnic_adapter *adapter) diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c index 2f656f3..c58180f 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c @@ -77,6 +77,8 @@ static struct qlcnic_hardware_ops qlcnic_sriov_vf_hw_ops = { .free_mac_list = qlcnic_sriov_vf_free_mac_list, .enable_sds_intr = qlcnic_83xx_enable_sds_intr, .disable_sds_intr = qlcnic_83xx_disable_sds_intr, + .encap_rx_offload = qlcnic_83xx_encap_rx_offload, + .encap_tx_offload = qlcnic_83xx_encap_tx_offload, }; static struct qlcnic_nic_template qlcnic_sriov_vf_ops = { diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.c b/drivers/net/ethernet/qualcomm/emac/emac-mac.c index cc065ff..bcd4708 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-mac.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.c @@ -931,7 +931,7 @@ int emac_mac_up(struct emac_adapter *adpt) emac_mac_config(adpt); emac_mac_rx_descs_refill(adpt, &adpt->rx_q); - adpt->phydev->irq = PHY_IGNORE_INTERRUPT; + adpt->phydev->irq = PHY_POLL; ret = phy_connect_direct(netdev, adpt->phydev, emac_adjust_link, PHY_INTERFACE_MODE_SGMII); if (ret) { diff --git a/drivers/net/ethernet/qualcomm/emac/emac-phy.c b/drivers/net/ethernet/qualcomm/emac/emac-phy.c index 441c1936..18461fc 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-phy.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-phy.c @@ -13,15 +13,11 @@ /* Qualcomm Technologies, Inc. EMAC PHY Controller driver. */ -#include <linux/module.h> -#include <linux/of.h> -#include <linux/of_net.h> #include <linux/of_mdio.h> #include <linux/phy.h> #include <linux/iopoll.h> #include <linux/acpi.h> #include "emac.h" -#include "emac-mac.h" /* EMAC base register offsets */ #define EMAC_MDIO_CTRL 0x001414 @@ -52,62 +48,10 @@ #define MDIO_WAIT_TIMES 1000 -#define EMAC_LINK_SPEED_DEFAULT (\ - EMAC_LINK_SPEED_10_HALF |\ - EMAC_LINK_SPEED_10_FULL |\ - EMAC_LINK_SPEED_100_HALF |\ - EMAC_LINK_SPEED_100_FULL |\ - EMAC_LINK_SPEED_1GB_FULL) - -/** - * emac_phy_mdio_autopoll_disable() - disable mdio autopoll - * @adpt: the emac adapter - * - * The autopoll feature takes over the MDIO bus. In order for - * the PHY driver to be able to talk to the PHY over the MDIO - * bus, we need to temporarily disable the autopoll feature. - */ -static int emac_phy_mdio_autopoll_disable(struct emac_adapter *adpt) -{ - u32 val; - - /* disable autopoll */ - emac_reg_update32(adpt->base + EMAC_MDIO_CTRL, MDIO_AP_EN, 0); - - /* wait for any mdio polling to complete */ - if (!readl_poll_timeout(adpt->base + EMAC_MDIO_CTRL, val, - !(val & MDIO_BUSY), 100, MDIO_WAIT_TIMES * 100)) - return 0; - - /* failed to disable; ensure it is enabled before returning */ - emac_reg_update32(adpt->base + EMAC_MDIO_CTRL, 0, MDIO_AP_EN); - - return -EBUSY; -} - -/** - * emac_phy_mdio_autopoll_disable() - disable mdio autopoll - * @adpt: the emac adapter - * - * The EMAC has the ability to poll the external PHY on the MDIO - * bus for link state changes. This eliminates the need for the - * driver to poll the phy. If if the link state does change, - * the EMAC issues an interrupt on behalf of the PHY. - */ -static void emac_phy_mdio_autopoll_enable(struct emac_adapter *adpt) -{ - emac_reg_update32(adpt->base + EMAC_MDIO_CTRL, 0, MDIO_AP_EN); -} - static int emac_mdio_read(struct mii_bus *bus, int addr, int regnum) { struct emac_adapter *adpt = bus->priv; u32 reg; - int ret; - - ret = emac_phy_mdio_autopoll_disable(adpt); - if (ret) - return ret; emac_reg_update32(adpt->base + EMAC_PHY_STS, PHY_ADDR_BMSK, (addr << PHY_ADDR_SHFT)); @@ -122,24 +66,15 @@ static int emac_mdio_read(struct mii_bus *bus, int addr, int regnum) if (readl_poll_timeout(adpt->base + EMAC_MDIO_CTRL, reg, !(reg & (MDIO_START | MDIO_BUSY)), 100, MDIO_WAIT_TIMES * 100)) - ret = -EIO; - else - ret = (reg >> MDIO_DATA_SHFT) & MDIO_DATA_BMSK; + return -EIO; - emac_phy_mdio_autopoll_enable(adpt); - - return ret; + return (reg >> MDIO_DATA_SHFT) & MDIO_DATA_BMSK; } static int emac_mdio_write(struct mii_bus *bus, int addr, int regnum, u16 val) { struct emac_adapter *adpt = bus->priv; u32 reg; - int ret; - - ret = emac_phy_mdio_autopoll_disable(adpt); - if (ret) - return ret; emac_reg_update32(adpt->base + EMAC_PHY_STS, PHY_ADDR_BMSK, (addr << PHY_ADDR_SHFT)); @@ -155,11 +90,9 @@ static int emac_mdio_write(struct mii_bus *bus, int addr, int regnum, u16 val) if (readl_poll_timeout(adpt->base + EMAC_MDIO_CTRL, reg, !(reg & (MDIO_START | MDIO_BUSY)), 100, MDIO_WAIT_TIMES * 100)) - ret = -EIO; + return -EIO; - emac_phy_mdio_autopoll_enable(adpt); - - return ret; + return 0; } /* Configure the MDIO bus and connect the external PHY */ diff --git a/drivers/net/ethernet/qualcomm/emac/emac.c b/drivers/net/ethernet/qualcomm/emac/emac.c index 28a8cdc..98a326f 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac.c +++ b/drivers/net/ethernet/qualcomm/emac/emac.c @@ -50,19 +50,7 @@ #define DMAR_DLY_CNT_DEF 15 #define DMAW_DLY_CNT_DEF 4 -#define IMR_NORMAL_MASK (\ - ISR_ERROR |\ - ISR_GPHY_LINK |\ - ISR_TX_PKT |\ - GPHY_WAKEUP_INT) - -#define IMR_EXTENDED_MASK (\ - SW_MAN_INT |\ - ISR_OVER |\ - ISR_ERROR |\ - ISR_GPHY_LINK |\ - ISR_TX_PKT |\ - GPHY_WAKEUP_INT) +#define IMR_NORMAL_MASK (ISR_ERROR | ISR_OVER | ISR_TX_PKT) #define ISR_TX_PKT (\ TX_PKT_INT |\ @@ -70,10 +58,6 @@ TX_PKT_INT2 |\ TX_PKT_INT3) -#define ISR_GPHY_LINK (\ - GPHY_LINK_UP_INT |\ - GPHY_LINK_DOWN_INT) - #define ISR_OVER (\ RFD0_UR_INT |\ RFD1_UR_INT |\ @@ -187,10 +171,6 @@ irqreturn_t emac_isr(int _irq, void *data) if (status & ISR_OVER) net_warn_ratelimited("warning: TX/RX overflow\n"); - /* link event */ - if (status & ISR_GPHY_LINK) - phy_mac_interrupt(adpt->phydev, !!(status & GPHY_LINK_UP_INT)); - exit: /* enable the interrupt */ writel(irq->mask, adpt->base + EMAC_INT_MASK); diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 3cd7989..784782d 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -230,18 +230,6 @@ static void ravb_ring_free(struct net_device *ndev, int q) int ring_size; int i; - /* Free RX skb ringbuffer */ - if (priv->rx_skb[q]) { - for (i = 0; i < priv->num_rx_ring[q]; i++) - dev_kfree_skb(priv->rx_skb[q][i]); - } - kfree(priv->rx_skb[q]); - priv->rx_skb[q] = NULL; - - /* Free aligned TX buffers */ - kfree(priv->tx_align[q]); - priv->tx_align[q] = NULL; - if (priv->rx_ring[q]) { for (i = 0; i < priv->num_rx_ring[q]; i++) { struct ravb_ex_rx_desc *desc = &priv->rx_ring[q][i]; @@ -270,6 +258,18 @@ static void ravb_ring_free(struct net_device *ndev, int q) priv->tx_ring[q] = NULL; } + /* Free RX skb ringbuffer */ + if (priv->rx_skb[q]) { + for (i = 0; i < priv->num_rx_ring[q]; i++) + dev_kfree_skb(priv->rx_skb[q][i]); + } + kfree(priv->rx_skb[q]); + priv->rx_skb[q] = NULL; + + /* Free aligned TX buffers */ + kfree(priv->tx_align[q]); + priv->tx_align[q] = NULL; + /* Free TX skb ringbuffer. * SKBs are freed by ravb_tx_free() call above. */ diff --git a/drivers/net/ethernet/rocker/rocker_ofdpa.c b/drivers/net/ethernet/rocker/rocker_ofdpa.c index 2ae8524..a9ce82d 100644 --- a/drivers/net/ethernet/rocker/rocker_ofdpa.c +++ b/drivers/net/ethernet/rocker/rocker_ofdpa.c @@ -1505,8 +1505,8 @@ static int ofdpa_port_ipv4_nh(struct ofdpa_port *ofdpa_port, *index = entry->index; resolved = false; } else if (removing) { - ofdpa_neigh_del(trans, found); *index = found->index; + ofdpa_neigh_del(trans, found); } else if (updating) { ofdpa_neigh_update(found, trans, NULL, false); resolved = !is_zero_ether_addr(found->eth_dst); diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 78efb28..78f9e43 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -4172,7 +4172,7 @@ found: * recipients */ if (is_mc_recip) { - MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN); + MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_EXT_IN_LEN); unsigned int depth, i; memset(inbuf, 0, sizeof(inbuf)); @@ -4320,7 +4320,7 @@ static int efx_ef10_filter_remove_internal(struct efx_nic *efx, efx_ef10_filter_set_entry(table, filter_idx, NULL, 0); } else { efx_mcdi_display_error(efx, MC_CMD_FILTER_OP, - MC_CMD_FILTER_OP_IN_LEN, + MC_CMD_FILTER_OP_EXT_IN_LEN, NULL, 0, rc); } } @@ -4453,7 +4453,7 @@ static s32 efx_ef10_filter_rfs_insert(struct efx_nic *efx, struct efx_filter_spec *spec) { struct efx_ef10_filter_table *table = efx->filter_state; - MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN); + MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_EXT_IN_LEN); struct efx_filter_spec *saved_spec; unsigned int hash, i, depth = 1; bool replacing = false; @@ -4940,7 +4940,7 @@ not_restored: static void efx_ef10_filter_table_remove(struct efx_nic *efx) { struct efx_ef10_filter_table *table = efx->filter_state; - MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_IN_LEN); + MCDI_DECLARE_BUF(inbuf, MC_CMD_FILTER_OP_EXT_IN_LEN); struct efx_filter_spec *spec; unsigned int filter_idx; int rc; @@ -5105,6 +5105,7 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx, /* Insert/renew filters */ for (i = 0; i < addr_count; i++) { + EFX_WARN_ON_PARANOID(ids[i] != EFX_EF10_FILTER_ID_INVALID); efx_filter_init_rx(&spec, EFX_FILTER_PRI_AUTO, filter_flags, 0); efx_filter_set_eth_local(&spec, vlan->vid, addr_list[i].addr); rc = efx_ef10_filter_insert(efx, &spec, true); @@ -5122,11 +5123,11 @@ static int efx_ef10_filter_insert_addr_list(struct efx_nic *efx, } return rc; } else { - /* mark as not inserted, and carry on */ - rc = EFX_EF10_FILTER_ID_INVALID; + /* keep invalid ID, and carry on */ } + } else { + ids[i] = efx_ef10_filter_get_unsafe_id(rc); } - ids[i] = efx_ef10_filter_get_unsafe_id(rc); } if (multicast && rollback) { diff --git a/drivers/net/ethernet/sfc/ef10_sriov.c b/drivers/net/ethernet/sfc/ef10_sriov.c index b7e4345..019cef1 100644 --- a/drivers/net/ethernet/sfc/ef10_sriov.c +++ b/drivers/net/ethernet/sfc/ef10_sriov.c @@ -661,8 +661,6 @@ restore_filters: up_write(&vf->efx->filter_sem); mutex_unlock(&vf->efx->mac_lock); - up_write(&vf->efx->filter_sem); - rc2 = efx_net_open(vf->efx->net_dev); if (rc2) goto reset_nic; diff --git a/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c b/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c index 489ef14..6a9c954 100644 --- a/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c +++ b/drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c @@ -37,6 +37,7 @@ #define TSE_PCS_CONTROL_AN_EN_MASK BIT(12) #define TSE_PCS_CONTROL_REG 0x00 #define TSE_PCS_CONTROL_RESTART_AN_MASK BIT(9) +#define TSE_PCS_CTRL_AUTONEG_SGMII 0x1140 #define TSE_PCS_IF_MODE_REG 0x28 #define TSE_PCS_LINK_TIMER_0_REG 0x24 #define TSE_PCS_LINK_TIMER_1_REG 0x26 @@ -65,6 +66,7 @@ #define TSE_PCS_SW_RESET_TIMEOUT 100 #define TSE_PCS_USE_SGMII_AN_MASK BIT(1) #define TSE_PCS_USE_SGMII_ENA BIT(0) +#define TSE_PCS_IF_USE_SGMII 0x03 #define SGMII_ADAPTER_CTRL_REG 0x00 #define SGMII_ADAPTER_DISABLE 0x0001 @@ -101,7 +103,9 @@ int tse_pcs_init(void __iomem *base, struct tse_pcs *pcs) { int ret = 0; - writew(TSE_PCS_USE_SGMII_ENA, base + TSE_PCS_IF_MODE_REG); + writew(TSE_PCS_IF_USE_SGMII, base + TSE_PCS_IF_MODE_REG); + + writew(TSE_PCS_CTRL_AUTONEG_SGMII, base + TSE_PCS_CONTROL_REG); writew(TSE_PCS_SGMII_LINK_TIMER_0, base + TSE_PCS_LINK_TIMER_0_REG); writew(TSE_PCS_SGMII_LINK_TIMER_1, base + TSE_PCS_LINK_TIMER_1_REG); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c index aa64764..e0ef02f 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_descs.c @@ -214,13 +214,13 @@ static int dwmac4_wrback_get_tx_timestamp_status(struct dma_desc *p) { /* Context type from W/B descriptor must be zero */ if (le32_to_cpu(p->des3) & TDES3_CONTEXT_TYPE) - return -EINVAL; + return 0; /* Tx Timestamp Status is 1 so des0 and des1'll have valid values */ if (le32_to_cpu(p->des3) & TDES3_TIMESTAMP_STATUS) - return 0; + return 1; - return 1; + return 0; } static inline u64 dwmac4_get_timestamp(void *desc, u32 ats) @@ -282,7 +282,10 @@ static int dwmac4_wrback_get_rx_timestamp_status(void *desc, u32 ats) } } exit: - return ret; + if (likely(ret == 0)) + return 1; + + return 0; } static void dwmac4_rd_init_rx_desc(struct dma_desc *p, int disable_rx_ic, diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index a74c481..6e4cbc6 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -434,14 +434,14 @@ static void stmmac_get_tx_hwtstamp(struct stmmac_priv *priv, return; /* check tx tstamp status */ - if (!priv->hw->desc->get_tx_timestamp_status(p)) { + if (priv->hw->desc->get_tx_timestamp_status(p)) { /* get the valid tstamp */ ns = priv->hw->desc->get_timestamp(p, priv->adv_ts); memset(&shhwtstamp, 0, sizeof(struct skb_shared_hwtstamps)); shhwtstamp.hwtstamp = ns_to_ktime(ns); - netdev_info(priv->dev, "get valid TX hw timestamp %llu\n", ns); + netdev_dbg(priv->dev, "get valid TX hw timestamp %llu\n", ns); /* pass tstamp to stack */ skb_tstamp_tx(skb, &shhwtstamp); } @@ -468,19 +468,19 @@ static void stmmac_get_rx_hwtstamp(struct stmmac_priv *priv, struct dma_desc *p, return; /* Check if timestamp is available */ - if (!priv->hw->desc->get_rx_timestamp_status(p, priv->adv_ts)) { + if (priv->hw->desc->get_rx_timestamp_status(p, priv->adv_ts)) { /* For GMAC4, the valid timestamp is from CTX next desc. */ if (priv->plat->has_gmac4) ns = priv->hw->desc->get_timestamp(np, priv->adv_ts); else ns = priv->hw->desc->get_timestamp(p, priv->adv_ts); - netdev_info(priv->dev, "get valid RX hw timestamp %llu\n", ns); + netdev_dbg(priv->dev, "get valid RX hw timestamp %llu\n", ns); shhwtstamp = skb_hwtstamps(skb); memset(shhwtstamp, 0, sizeof(struct skb_shared_hwtstamps)); shhwtstamp->hwtstamp = ns_to_ktime(ns); } else { - netdev_err(priv->dev, "cannot get RX hw timestamp\n"); + netdev_dbg(priv->dev, "cannot get RX hw timestamp\n"); } } @@ -546,7 +546,10 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr) /* PTP v1, UDP, any kind of event packet */ config.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT; /* take time stamp for all event messages */ - snap_type_sel = PTP_TCR_SNAPTYPSEL_1; + if (priv->plat->has_gmac4) + snap_type_sel = PTP_GMAC4_TCR_SNAPTYPSEL_1; + else + snap_type_sel = PTP_TCR_SNAPTYPSEL_1; ptp_over_ipv4_udp = PTP_TCR_TSIPV4ENA; ptp_over_ipv6_udp = PTP_TCR_TSIPV6ENA; @@ -578,7 +581,10 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr) config.rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT; ptp_v2 = PTP_TCR_TSVER2ENA; /* take time stamp for all event messages */ - snap_type_sel = PTP_TCR_SNAPTYPSEL_1; + if (priv->plat->has_gmac4) + snap_type_sel = PTP_GMAC4_TCR_SNAPTYPSEL_1; + else + snap_type_sel = PTP_TCR_SNAPTYPSEL_1; ptp_over_ipv4_udp = PTP_TCR_TSIPV4ENA; ptp_over_ipv6_udp = PTP_TCR_TSIPV6ENA; @@ -612,7 +618,10 @@ static int stmmac_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr) config.rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT; ptp_v2 = PTP_TCR_TSVER2ENA; /* take time stamp for all event messages */ - snap_type_sel = PTP_TCR_SNAPTYPSEL_1; + if (priv->plat->has_gmac4) + snap_type_sel = PTP_GMAC4_TCR_SNAPTYPSEL_1; + else + snap_type_sel = PTP_TCR_SNAPTYPSEL_1; ptp_over_ipv4_udp = PTP_TCR_TSIPV4ENA; ptp_over_ipv6_udp = PTP_TCR_TSIPV6ENA; @@ -1208,7 +1217,7 @@ static int init_dma_rx_desc_rings(struct net_device *dev, gfp_t flags) u32 rx_count = priv->plat->rx_queues_to_use; unsigned int bfsize = 0; int ret = -ENOMEM; - u32 queue; + int queue; int i; if (priv->hw->mode->set_16kib_bfsize) @@ -2724,7 +2733,7 @@ static void stmmac_tso_allocator(struct stmmac_priv *priv, unsigned int des, priv->hw->desc->prepare_tso_tx_desc(desc, 0, buff_size, 0, 1, - (last_segment) && (buff_size < TSO_MAX_BUFF_SIZE), + (last_segment) && (tmp_len <= TSO_MAX_BUFF_SIZE), 0, 0); tmp_len -= TSO_MAX_BUFF_SIZE; @@ -2822,7 +2831,6 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev) tx_q->tx_skbuff_dma[first_entry].buf = des; tx_q->tx_skbuff_dma[first_entry].len = skb_headlen(skb); - tx_q->tx_skbuff[first_entry] = skb; first->des0 = cpu_to_le32(des); @@ -2856,6 +2864,14 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev) tx_q->tx_skbuff_dma[tx_q->cur_tx].last_segment = true; + /* Only the last descriptor gets to point to the skb. */ + tx_q->tx_skbuff[tx_q->cur_tx] = skb; + + /* We've used all descriptors we need for this skb, however, + * advance cur_tx so that it references a fresh descriptor. + * ndo_start_xmit will fill this descriptor the next time it's + * called and stmmac_tx_clean may clean up to this descriptor. + */ tx_q->cur_tx = STMMAC_GET_ENTRY(tx_q->cur_tx, DMA_TX_SIZE); if (unlikely(stmmac_tx_avail(priv, queue) <= (MAX_SKB_FRAGS + 1))) { @@ -2947,7 +2963,8 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) int i, csum_insertion = 0, is_jumbo = 0; u32 queue = skb_get_queue_mapping(skb); int nfrags = skb_shinfo(skb)->nr_frags; - unsigned int entry, first_entry; + int entry; + unsigned int first_entry; struct dma_desc *desc, *first; struct stmmac_tx_queue *tx_q; unsigned int enh_desc; @@ -2988,8 +3005,6 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) first = desc; - tx_q->tx_skbuff[first_entry] = skb; - enh_desc = priv->plat->enh_desc; /* To program the descriptors according to the size of the frame */ if (enh_desc) @@ -3037,8 +3052,15 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) skb->len); } - entry = STMMAC_GET_ENTRY(entry, DMA_TX_SIZE); + /* Only the last descriptor gets to point to the skb. */ + tx_q->tx_skbuff[entry] = skb; + /* We've used all descriptors we need for this skb, however, + * advance cur_tx so that it references a fresh descriptor. + * ndo_start_xmit will fill this descriptor the next time it's + * called and stmmac_tx_clean may clean up to this descriptor. + */ + entry = STMMAC_GET_ENTRY(entry, DMA_TX_SIZE); tx_q->cur_tx = entry; if (netif_msg_pktdata(priv)) { diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h index 48fb72f..f4b31d6 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.h @@ -59,7 +59,8 @@ /* Enable Snapshot for Messages Relevant to Master */ #define PTP_TCR_TSMSTRENA BIT(15) /* Select PTP packets for Taking Snapshots */ -#define PTP_TCR_SNAPTYPSEL_1 GENMASK(17, 16) +#define PTP_TCR_SNAPTYPSEL_1 BIT(16) +#define PTP_GMAC4_TCR_SNAPTYPSEL_1 GENMASK(17, 16) /* Enable MAC address for PTP Frame Filtering */ #define PTP_TCR_TSENMACADDR BIT(18) diff --git a/drivers/net/ethernet/ti/cpsw-common.c b/drivers/net/ethernet/ti/cpsw-common.c index 1562ab4..56ba411 100644 --- a/drivers/net/ethernet/ti/cpsw-common.c +++ b/drivers/net/ethernet/ti/cpsw-common.c @@ -90,7 +90,7 @@ int ti_cm_get_macid(struct device *dev, int slave, u8 *mac_addr) if (of_device_is_compatible(dev->of_node, "ti,dm816-emac")) return cpsw_am33xx_cm_get_macid(dev, 0x30, slave, mac_addr); - if (of_machine_is_compatible("ti,am4372")) + if (of_machine_is_compatible("ti,am43")) return cpsw_am33xx_cm_get_macid(dev, 0x630, slave, mac_addr); if (of_machine_is_compatible("ti,dra7")) diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index 959fd12..199459b 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -1007,7 +1007,7 @@ static void geneve_setup(struct net_device *dev) dev->netdev_ops = &geneve_netdev_ops; dev->ethtool_ops = &geneve_ethtool_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; SET_NETDEV_DEVTYPE(dev, &geneve_type); @@ -1133,7 +1133,7 @@ static int geneve_configure(struct net *net, struct net_device *dev, /* make enough headroom for basic scenario */ encap_len = GENEVE_BASE_HLEN + ETH_HLEN; - if (ip_tunnel_info_af(info) == AF_INET) { + if (!metadata && ip_tunnel_info_af(info) == AF_INET) { encap_len += sizeof(struct iphdr); dev->max_mtu -= sizeof(struct iphdr); } else { diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 7b652bb..ca110cd 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -611,7 +611,7 @@ static const struct net_device_ops gtp_netdev_ops = { static void gtp_link_setup(struct net_device *dev) { dev->netdev_ops = >p_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->hard_header_len = 0; dev->addr_len = 0; diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c index 922bf44..021a8ec 100644 --- a/drivers/net/hamradio/6pack.c +++ b/drivers/net/hamradio/6pack.c @@ -311,7 +311,7 @@ static void sp_setup(struct net_device *dev) { /* Finish setting up the DEVICE info. */ dev->netdev_ops = &sp_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->mtu = SIXP_MTU; dev->hard_header_len = AX25_MAX_HEADER_LEN; dev->header_ops = &ax25_header_ops; diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c index f62e7f3..78a6414 100644 --- a/drivers/net/hamradio/bpqether.c +++ b/drivers/net/hamradio/bpqether.c @@ -476,7 +476,7 @@ static const struct net_device_ops bpq_netdev_ops = { static void bpq_setup(struct net_device *dev) { dev->netdev_ops = &bpq_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; memcpy(dev->broadcast, &ax25_bcast, AX25_ADDR_LEN); memcpy(dev->dev_addr, &ax25_defaddr, AX25_ADDR_LEN); diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c index 8c3633c..97e3bc6 100644 --- a/drivers/net/hamradio/hdlcdrv.c +++ b/drivers/net/hamradio/hdlcdrv.c @@ -576,6 +576,8 @@ static int hdlcdrv_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) case HDLCDRVCTL_CALIBRATE: if(!capable(CAP_SYS_RAWIO)) return -EPERM; + if (s->par.bitrate <= 0) + return -EINVAL; if (bi.data.calibrate > INT_MAX / s->par.bitrate) return -EINVAL; s->hdlctx.calibrate = bi.data.calibrate * s->par.bitrate / 16; diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 262b2ea..6066f1b 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -171,6 +171,8 @@ struct rndis_device { spinlock_t request_lock; struct list_head req_list; + struct work_struct mcast_work; + u8 hw_mac_adr[ETH_ALEN]; u8 rss_key[NETVSC_HASH_KEYLEN]; u16 ind_table[ITAB_NUM]; @@ -201,6 +203,7 @@ int rndis_filter_open(struct netvsc_device *nvdev); int rndis_filter_close(struct netvsc_device *nvdev); int rndis_filter_device_add(struct hv_device *dev, struct netvsc_device_info *info); +void rndis_filter_update(struct netvsc_device *nvdev); void rndis_filter_device_remove(struct hv_device *dev, struct netvsc_device *nvdev); int rndis_filter_set_rss_param(struct rndis_device *rdev, @@ -211,7 +214,6 @@ int rndis_filter_receive(struct net_device *ndev, struct vmbus_channel *channel, void *data, u32 buflen); -int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter); int rndis_filter_set_device_mac(struct net_device *ndev, char *mac); void netvsc_switch_datapath(struct net_device *nv_dev, bool vf); @@ -696,7 +698,6 @@ struct net_device_context { /* list protection */ spinlock_t lock; - struct work_struct work; u32 msg_enable; /* debug level */ u32 tx_checksum_mask; diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 4421a6d..643c539 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -56,37 +56,12 @@ static int debug = -1; module_param(debug, int, S_IRUGO); MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); -static void do_set_multicast(struct work_struct *w) -{ - struct net_device_context *ndevctx = - container_of(w, struct net_device_context, work); - struct hv_device *device_obj = ndevctx->device_ctx; - struct net_device *ndev = hv_get_drvdata(device_obj); - struct netvsc_device *nvdev = rcu_dereference(ndevctx->nvdev); - struct rndis_device *rdev; - - if (!nvdev) - return; - - rdev = nvdev->extension; - if (rdev == NULL) - return; - - if (ndev->flags & IFF_PROMISC) - rndis_filter_set_packet_filter(rdev, - NDIS_PACKET_TYPE_PROMISCUOUS); - else - rndis_filter_set_packet_filter(rdev, - NDIS_PACKET_TYPE_BROADCAST | - NDIS_PACKET_TYPE_ALL_MULTICAST | - NDIS_PACKET_TYPE_DIRECTED); -} - static void netvsc_set_multicast_list(struct net_device *net) { struct net_device_context *net_device_ctx = netdev_priv(net); + struct netvsc_device *nvdev = rtnl_dereference(net_device_ctx->nvdev); - schedule_work(&net_device_ctx->work); + rndis_filter_update(nvdev); } static int netvsc_open(struct net_device *net) @@ -123,8 +98,6 @@ static int netvsc_close(struct net_device *net) netif_tx_disable(net); - /* Make sure netvsc_set_multicast_list doesn't re-enable filter! */ - cancel_work_sync(&net_device_ctx->work); ret = rndis_filter_close(nvdev); if (ret != 0) { netdev_err(net, "unable to close device (ret %d).\n", ret); @@ -803,7 +776,7 @@ static int netvsc_set_channels(struct net_device *net, channels->rx_count || channels->tx_count || channels->other_count) return -EINVAL; - if (count > net->num_tx_queues || count > net->num_rx_queues) + if (count > net->num_tx_queues || count > VRSS_CHANNEL_MAX) return -EINVAL; if (!nvdev || nvdev->destroy) @@ -1028,7 +1001,7 @@ static const struct { static int netvsc_get_sset_count(struct net_device *dev, int string_set) { struct net_device_context *ndc = netdev_priv(dev); - struct netvsc_device *nvdev = rcu_dereference(ndc->nvdev); + struct netvsc_device *nvdev = rtnl_dereference(ndc->nvdev); if (!nvdev) return -ENODEV; @@ -1158,11 +1131,22 @@ netvsc_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, } #ifdef CONFIG_NET_POLL_CONTROLLER -static void netvsc_poll_controller(struct net_device *net) +static void netvsc_poll_controller(struct net_device *dev) { - /* As netvsc_start_xmit() works synchronous we don't have to - * trigger anything here. - */ + struct net_device_context *ndc = netdev_priv(dev); + struct netvsc_device *ndev; + int i; + + rcu_read_lock(); + ndev = rcu_dereference(ndc->nvdev); + if (ndev) { + for (i = 0; i < ndev->num_chn; i++) { + struct netvsc_channel *nvchan = &ndev->chan_table[i]; + + napi_schedule(&nvchan->napi); + } + } + rcu_read_unlock(); } #endif @@ -1219,7 +1203,7 @@ static int netvsc_set_rxfh(struct net_device *dev, const u32 *indir, rndis_dev = ndev->extension; if (indir) { for (i = 0; i < ITAB_NUM; i++) - if (indir[i] >= dev->num_rx_queues) + if (indir[i] >= VRSS_CHANNEL_MAX) return -EINVAL; for (i = 0; i < ITAB_NUM; i++) @@ -1552,7 +1536,6 @@ static int netvsc_probe(struct hv_device *dev, hv_set_drvdata(dev, net); INIT_DELAYED_WORK(&net_device_ctx->dwork, netvsc_link_change); - INIT_WORK(&net_device_ctx->work, do_set_multicast); spin_lock_init(&net_device_ctx->lock); INIT_LIST_HEAD(&net_device_ctx->reconfig_events); @@ -1622,7 +1605,6 @@ static int netvsc_remove(struct hv_device *dev) netif_device_detach(net); cancel_delayed_work_sync(&ndev_ctx->dwork); - cancel_work_sync(&ndev_ctx->work); /* * Call to the vsc driver to let it know that the device is being diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c index f9d5b0b..cb79cd0 100644 --- a/drivers/net/hyperv/rndis_filter.c +++ b/drivers/net/hyperv/rndis_filter.c @@ -31,6 +31,7 @@ #include "hyperv_net.h" +static void rndis_set_multicast(struct work_struct *w); #define RNDIS_EXT_LEN PAGE_SIZE struct rndis_request { @@ -76,6 +77,7 @@ static struct rndis_device *get_rndis_device(void) spin_lock_init(&device->request_lock); INIT_LIST_HEAD(&device->req_list); + INIT_WORK(&device->mcast_work, rndis_set_multicast); device->state = RNDIS_DEV_UNINITIALIZED; @@ -815,7 +817,8 @@ static int rndis_filter_query_link_speed(struct rndis_device *dev) return ret; } -int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter) +static int rndis_filter_set_packet_filter(struct rndis_device *dev, + u32 new_filter) { struct rndis_request *request; struct rndis_set_request *set; @@ -846,6 +849,28 @@ int rndis_filter_set_packet_filter(struct rndis_device *dev, u32 new_filter) return ret; } +static void rndis_set_multicast(struct work_struct *w) +{ + struct rndis_device *rdev + = container_of(w, struct rndis_device, mcast_work); + + if (rdev->ndev->flags & IFF_PROMISC) + rndis_filter_set_packet_filter(rdev, + NDIS_PACKET_TYPE_PROMISCUOUS); + else + rndis_filter_set_packet_filter(rdev, + NDIS_PACKET_TYPE_BROADCAST | + NDIS_PACKET_TYPE_ALL_MULTICAST | + NDIS_PACKET_TYPE_DIRECTED); +} + +void rndis_filter_update(struct netvsc_device *nvdev) +{ + struct rndis_device *rdev = nvdev->extension; + + schedule_work(&rdev->mcast_work); +} + static int rndis_filter_init_device(struct rndis_device *dev) { struct rndis_request *request; @@ -973,6 +998,9 @@ static int rndis_filter_close_device(struct rndis_device *dev) if (dev->state != RNDIS_DEV_DATAINITIALIZED) return 0; + /* Make sure rndis_set_multicast doesn't re-enable filter! */ + cancel_work_sync(&dev->mcast_work); + ret = rndis_filter_set_packet_filter(dev, 0); if (ret == -ENODEV) ret = 0; diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c index 312fce7..144ea5a 100644 --- a/drivers/net/ifb.c +++ b/drivers/net/ifb.c @@ -207,7 +207,6 @@ static void ifb_dev_free(struct net_device *dev) __skb_queue_purge(&txp->tq); } kfree(dp->tx_private); - free_netdev(dev); } static void ifb_setup(struct net_device *dev) @@ -230,7 +229,8 @@ static void ifb_setup(struct net_device *dev) dev->priv_flags &= ~IFF_TX_SKB_SHARING; netif_keep_dst(dev); eth_hw_addr_random(dev); - dev->destructor = ifb_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = ifb_dev_free; } static netdev_tx_t ifb_xmit(struct sk_buff *skb, struct net_device *dev) diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c index 618ed88..7c7680c 100644 --- a/drivers/net/ipvlan/ipvlan_main.c +++ b/drivers/net/ipvlan/ipvlan_main.c @@ -632,7 +632,7 @@ void ipvlan_link_setup(struct net_device *dev) dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING); dev->priv_flags |= IFF_UNICAST_FLT | IFF_NO_QUEUE; dev->netdev_ops = &ipvlan_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->header_ops = &ipvlan_header_ops; dev->ethtool_ops = &ipvlan_ethtool_ops; } diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c index 224f65c..3061249 100644 --- a/drivers/net/loopback.c +++ b/drivers/net/loopback.c @@ -159,7 +159,6 @@ static void loopback_dev_free(struct net_device *dev) { dev_net(dev)->loopback_dev = NULL; free_percpu(dev->lstats); - free_netdev(dev); } static const struct net_device_ops loopback_ops = { @@ -196,7 +195,8 @@ static void loopback_setup(struct net_device *dev) dev->ethtool_ops = &loopback_ethtool_ops; dev->header_ops = ð_header_ops; dev->netdev_ops = &loopback_ops; - dev->destructor = loopback_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = loopback_dev_free; } /* Setup and register the loopback device. */ diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index cdc347b..7941167 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -2996,7 +2996,6 @@ static void macsec_free_netdev(struct net_device *dev) free_percpu(macsec->secy.tx_sc.stats); dev_put(real_dev); - free_netdev(dev); } static void macsec_setup(struct net_device *dev) @@ -3006,7 +3005,8 @@ static void macsec_setup(struct net_device *dev) dev->max_mtu = ETH_MAX_MTU; dev->priv_flags |= IFF_NO_QUEUE; dev->netdev_ops = &macsec_netdev_ops; - dev->destructor = macsec_free_netdev; + dev->needs_free_netdev = true; + dev->priv_destructor = macsec_free_netdev; SET_NETDEV_DEVTYPE(dev, &macsec_type); eth_zero_addr(dev->broadcast); diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 346ad2f..72b8018 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -39,16 +39,20 @@ #define MACVLAN_HASH_SIZE (1<<MACVLAN_HASH_BITS) #define MACVLAN_BC_QUEUE_LEN 1000 +#define MACVLAN_F_PASSTHRU 1 +#define MACVLAN_F_ADDRCHANGE 2 + struct macvlan_port { struct net_device *dev; struct hlist_head vlan_hash[MACVLAN_HASH_SIZE]; struct list_head vlans; struct sk_buff_head bc_queue; struct work_struct bc_work; - bool passthru; + u32 flags; int count; struct hlist_head vlan_source_hash[MACVLAN_HASH_SIZE]; DECLARE_BITMAP(mc_filter, MACVLAN_MC_FILTER_SZ); + unsigned char perm_addr[ETH_ALEN]; }; struct macvlan_source_entry { @@ -66,6 +70,31 @@ struct macvlan_skb_cb { static void macvlan_port_destroy(struct net_device *dev); +static inline bool macvlan_passthru(const struct macvlan_port *port) +{ + return port->flags & MACVLAN_F_PASSTHRU; +} + +static inline void macvlan_set_passthru(struct macvlan_port *port) +{ + port->flags |= MACVLAN_F_PASSTHRU; +} + +static inline bool macvlan_addr_change(const struct macvlan_port *port) +{ + return port->flags & MACVLAN_F_ADDRCHANGE; +} + +static inline void macvlan_set_addr_change(struct macvlan_port *port) +{ + port->flags |= MACVLAN_F_ADDRCHANGE; +} + +static inline void macvlan_clear_addr_change(struct macvlan_port *port) +{ + port->flags &= ~MACVLAN_F_ADDRCHANGE; +} + /* Hash Ethernet address */ static u32 macvlan_eth_hash(const unsigned char *addr) { @@ -181,11 +210,12 @@ static void macvlan_hash_change_addr(struct macvlan_dev *vlan, static bool macvlan_addr_busy(const struct macvlan_port *port, const unsigned char *addr) { - /* Test to see if the specified multicast address is + /* Test to see if the specified address is * currently in use by the underlying device or * another macvlan. */ - if (ether_addr_equal_64bits(port->dev->dev_addr, addr)) + if (!macvlan_passthru(port) && !macvlan_addr_change(port) && + ether_addr_equal_64bits(port->dev->dev_addr, addr)) return true; if (macvlan_hash_lookup(port, addr)) @@ -445,7 +475,7 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb) } macvlan_forward_source(skb, port, eth->h_source); - if (port->passthru) + if (macvlan_passthru(port)) vlan = list_first_or_null_rcu(&port->vlans, struct macvlan_dev, list); else @@ -574,7 +604,7 @@ static int macvlan_open(struct net_device *dev) struct net_device *lowerdev = vlan->lowerdev; int err; - if (vlan->port->passthru) { + if (macvlan_passthru(vlan->port)) { if (!(vlan->flags & MACVLAN_FLAG_NOPROMISC)) { err = dev_set_promiscuity(lowerdev, 1); if (err < 0) @@ -649,7 +679,7 @@ static int macvlan_stop(struct net_device *dev) dev_uc_unsync(lowerdev, dev); dev_mc_unsync(lowerdev, dev); - if (vlan->port->passthru) { + if (macvlan_passthru(vlan->port)) { if (!(vlan->flags & MACVLAN_FLAG_NOPROMISC)) dev_set_promiscuity(lowerdev, -1); goto hash_del; @@ -672,6 +702,7 @@ static int macvlan_sync_address(struct net_device *dev, unsigned char *addr) { struct macvlan_dev *vlan = netdev_priv(dev); struct net_device *lowerdev = vlan->lowerdev; + struct macvlan_port *port = vlan->port; int err; if (!(dev->flags & IFF_UP)) { @@ -682,7 +713,7 @@ static int macvlan_sync_address(struct net_device *dev, unsigned char *addr) if (macvlan_addr_busy(vlan->port, addr)) return -EBUSY; - if (!vlan->port->passthru) { + if (!macvlan_passthru(port)) { err = dev_uc_add(lowerdev, addr); if (err) return err; @@ -692,6 +723,15 @@ static int macvlan_sync_address(struct net_device *dev, unsigned char *addr) macvlan_hash_change_addr(vlan, addr); } + if (macvlan_passthru(port) && !macvlan_addr_change(port)) { + /* Since addr_change isn't set, we are here due to lower + * device change. Save the lower-dev address so we can + * restore it later. + */ + ether_addr_copy(vlan->port->perm_addr, + lowerdev->dev_addr); + } + macvlan_clear_addr_change(port); return 0; } @@ -703,7 +743,12 @@ static int macvlan_set_mac_address(struct net_device *dev, void *p) if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; + /* If the addresses are the same, this is a no-op */ + if (ether_addr_equal(dev->dev_addr, addr->sa_data)) + return 0; + if (vlan->mode == MACVLAN_MODE_PASSTHRU) { + macvlan_set_addr_change(vlan->port); dev_set_mac_address(vlan->lowerdev, addr); return 0; } @@ -928,7 +973,7 @@ static int macvlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], /* Support unicast filter only on passthru devices. * Multicast filter should be allowed on all devices. */ - if (!vlan->port->passthru && is_unicast_ether_addr(addr)) + if (!macvlan_passthru(vlan->port) && is_unicast_ether_addr(addr)) return -EOPNOTSUPP; if (flags & NLM_F_REPLACE) @@ -952,7 +997,7 @@ static int macvlan_fdb_del(struct ndmsg *ndm, struct nlattr *tb[], /* Support unicast filter only on passthru devices. * Multicast filter should be allowed on all devices. */ - if (!vlan->port->passthru && is_unicast_ether_addr(addr)) + if (!macvlan_passthru(vlan->port) && is_unicast_ether_addr(addr)) return -EOPNOTSUPP; if (is_unicast_ether_addr(addr)) @@ -1092,7 +1137,7 @@ void macvlan_common_setup(struct net_device *dev) netif_keep_dst(dev); dev->priv_flags |= IFF_UNICAST_FLT; dev->netdev_ops = &macvlan_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->header_ops = &macvlan_hard_header_ops; dev->ethtool_ops = &macvlan_ethtool_ops; } @@ -1120,8 +1165,8 @@ static int macvlan_port_create(struct net_device *dev) if (port == NULL) return -ENOMEM; - port->passthru = false; port->dev = dev; + ether_addr_copy(port->perm_addr, dev->dev_addr); INIT_LIST_HEAD(&port->vlans); for (i = 0; i < MACVLAN_HASH_SIZE; i++) INIT_HLIST_HEAD(&port->vlan_hash[i]); @@ -1161,6 +1206,18 @@ static void macvlan_port_destroy(struct net_device *dev) kfree_skb(skb); } + /* If the lower device address has been changed by passthru + * macvlan, put it back. + */ + if (macvlan_passthru(port) && + !ether_addr_equal(port->dev->dev_addr, port->perm_addr)) { + struct sockaddr sa; + + sa.sa_family = port->dev->type; + memcpy(&sa.sa_data, port->perm_addr, port->dev->addr_len); + dev_set_mac_address(port->dev, &sa); + } + kfree(port); } @@ -1326,7 +1383,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, port = macvlan_port_get_rtnl(lowerdev); /* Only 1 macvlan device can be created in passthru mode */ - if (port->passthru) { + if (macvlan_passthru(port)) { /* The macvlan port must be not created this time, * still goto destroy_macvlan_port for readability. */ @@ -1352,7 +1409,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, err = -EINVAL; goto destroy_macvlan_port; } - port->passthru = true; + macvlan_set_passthru(port); eth_hw_addr_inherit(dev, lowerdev); } @@ -1434,7 +1491,7 @@ static int macvlan_changelink(struct net_device *dev, if (data && data[IFLA_MACVLAN_FLAGS]) { __u16 flags = nla_get_u16(data[IFLA_MACVLAN_FLAGS]); bool promisc = (flags ^ vlan->flags) & MACVLAN_FLAG_NOPROMISC; - if (vlan->port->passthru && promisc) { + if (macvlan_passthru(vlan->port) && promisc) { int err; if (flags & MACVLAN_FLAG_NOPROMISC) @@ -1597,7 +1654,7 @@ static int macvlan_device_event(struct notifier_block *unused, } break; case NETDEV_CHANGEADDR: - if (!port->passthru) + if (!macvlan_passthru(port)) return NOTIFY_DONE; vlan = list_first_entry_or_null(&port->vlans, diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index 06ee639..0e27920 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -358,7 +358,7 @@ static ssize_t enabled_store(struct config_item *item, if (err) goto out_unlock; - pr_info("netconsole: network logging started\n"); + pr_info("network logging started\n"); } else { /* false */ /* We need to disable the netconsole before cleaning it up * otherwise we might end up in write_msg() with diff --git a/drivers/net/nlmon.c b/drivers/net/nlmon.c index b916038..c4b3362 100644 --- a/drivers/net/nlmon.c +++ b/drivers/net/nlmon.c @@ -113,7 +113,7 @@ static void nlmon_setup(struct net_device *dev) dev->netdev_ops = &nlmon_ops; dev->ethtool_ops = &nlmon_ethtool_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA | NETIF_F_LLTX; diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index c360dd6..3ab6c58 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -127,6 +127,7 @@ config MDIO_THUNDER tristate "ThunderX SOCs MDIO buses" depends on 64BIT depends on PCI + depends on !(MDIO_DEVICE=y && PHYLIB=m) select MDIO_CAVIUM help This driver supports the MDIO interfaces found on Cavium diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index ed0d10f..c3065236 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -908,7 +908,7 @@ static void decode_txts(struct dp83640_private *dp83640, if (overflow) { pr_debug("tx timestamp queue overflow, count %d\n", overflow); while (skb) { - skb_complete_tx_timestamp(skb, NULL); + kfree_skb(skb); skb = skb_dequeue(&dp83640->tx_queue); } return; diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 9097e42..57297ba 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -1127,8 +1127,6 @@ static int marvell_read_status_page(struct phy_device *phydev, int page) if (adv < 0) return adv; - lpa &= adv; - if (status & MII_M1011_PHY_STATUS_FULLDUPLEX) phydev->duplex = DUPLEX_FULL; else diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 8e73f5f..f99c21f 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -658,6 +658,18 @@ static int mdio_bus_match(struct device *dev, struct device_driver *drv) return 0; } +static int mdio_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + int rc; + + /* Some devices have extra OF data and an OF-style MODALIAS */ + rc = of_device_uevent_modalias(dev, env); + if (rc != -ENODEV) + return rc; + + return 0; +} + #ifdef CONFIG_PM static int mdio_bus_suspend(struct device *dev) { @@ -708,6 +720,7 @@ static const struct dev_pm_ops mdio_bus_pm_ops = { struct bus_type mdio_bus_type = { .name = "mdio_bus", .match = mdio_bus_match, + .uevent = mdio_uevent, .pm = MDIO_BUS_PM_OPS, }; EXPORT_SYMBOL(mdio_bus_type); diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 6a5fd18..8b20388 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -268,23 +268,12 @@ out: return ret; } -static int kszphy_config_init(struct phy_device *phydev) +/* Some config bits need to be set again on resume, handle them here. */ +static int kszphy_config_reset(struct phy_device *phydev) { struct kszphy_priv *priv = phydev->priv; - const struct kszphy_type *type; int ret; - if (!priv) - return 0; - - type = priv->type; - - if (type->has_broadcast_disable) - kszphy_broadcast_disable(phydev); - - if (type->has_nand_tree_disable) - kszphy_nand_tree_disable(phydev); - if (priv->rmii_ref_clk_sel) { ret = kszphy_rmii_clk_sel(phydev, priv->rmii_ref_clk_sel_val); if (ret) { @@ -295,11 +284,30 @@ static int kszphy_config_init(struct phy_device *phydev) } if (priv->led_mode >= 0) - kszphy_setup_led(phydev, type->led_mode_reg, priv->led_mode); + kszphy_setup_led(phydev, priv->type->led_mode_reg, priv->led_mode); return 0; } +static int kszphy_config_init(struct phy_device *phydev) +{ + struct kszphy_priv *priv = phydev->priv; + const struct kszphy_type *type; + + if (!priv) + return 0; + + type = priv->type; + + if (type->has_broadcast_disable) + kszphy_broadcast_disable(phydev); + + if (type->has_nand_tree_disable) + kszphy_nand_tree_disable(phydev); + + return kszphy_config_reset(phydev); +} + static int ksz8041_config_init(struct phy_device *phydev) { struct device_node *of_node = phydev->mdio.dev.of_node; @@ -611,6 +619,8 @@ static int ksz9031_read_status(struct phy_device *phydev) if ((regval & 0xFF) == 0xFF) { phy_init_hw(phydev); phydev->link = 0; + if (phydev->drv->config_intr && phy_interrupt_is_valid(phydev)) + phydev->drv->config_intr(phydev); } return 0; @@ -700,8 +710,14 @@ static int kszphy_suspend(struct phy_device *phydev) static int kszphy_resume(struct phy_device *phydev) { + int ret; + genphy_resume(phydev); + ret = kszphy_config_reset(phydev); + if (ret) + return ret; + /* Enable PHY Interrupts */ if (phy_interrupt_is_valid(phydev)) { phydev->interrupts = PHY_INTERRUPT_ENABLED; diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 82ab8fb..eebb0e1 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -54,6 +54,8 @@ static const char *phy_speed_to_str(int speed) return "5Gbps"; case SPEED_10000: return "10Gbps"; + case SPEED_14000: + return "14Gbps"; case SPEED_20000: return "20Gbps"; case SPEED_25000: @@ -241,7 +243,7 @@ static const struct phy_setting settings[] = { * phy_lookup_setting - lookup a PHY setting * @speed: speed to match * @duplex: duplex to match - * @feature: allowed link modes + * @features: allowed link modes * @exact: an exact match is required * * Search the settings array for a setting that matches the speed and diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c index 1da31dc..74b9072 100644 --- a/drivers/net/slip/slip.c +++ b/drivers/net/slip/slip.c @@ -629,7 +629,7 @@ static void sl_uninit(struct net_device *dev) static void sl_free_netdev(struct net_device *dev) { int i = dev->base_addr; - free_netdev(dev); + slip_devs[i] = NULL; } @@ -651,7 +651,8 @@ static const struct net_device_ops sl_netdev_ops = { static void sl_setup(struct net_device *dev) { dev->netdev_ops = &sl_netdev_ops; - dev->destructor = sl_free_netdev; + dev->needs_free_netdev = true; + dev->priv_destructor = sl_free_netdev; dev->hard_header_len = 0; dev->addr_len = 0; @@ -1369,8 +1370,6 @@ static void __exit slip_exit(void) if (sl->tty) { printk(KERN_ERR "%s: tty discipline still running\n", dev->name); - /* Intentionally leak the control block. */ - dev->destructor = NULL; } unregister_netdev(dev); diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 6c5d5ef..fba8c13 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -1643,7 +1643,6 @@ static void team_destructor(struct net_device *dev) struct team *team = netdev_priv(dev); free_percpu(team->pcpu_stats); - free_netdev(dev); } static int team_open(struct net_device *dev) @@ -2079,7 +2078,8 @@ static void team_setup(struct net_device *dev) dev->netdev_ops = &team_netdev_ops; dev->ethtool_ops = &team_ethtool_ops; - dev->destructor = team_destructor; + dev->needs_free_netdev = true; + dev->priv_destructor = team_destructor; dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING); dev->priv_flags |= IFF_NO_QUEUE; dev->priv_flags |= IFF_TEAM; diff --git a/drivers/net/tun.c b/drivers/net/tun.c index bbd707b..9ee7d42 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1560,7 +1560,6 @@ static void tun_free_netdev(struct net_device *dev) free_percpu(tun->pcpu_stats); tun_flow_uninit(tun); security_tun_dev_free_security(tun->security); - free_netdev(dev); } static void tun_setup(struct net_device *dev) @@ -1571,7 +1570,8 @@ static void tun_setup(struct net_device *dev) tun->group = INVALID_GID; dev->ethtool_ops = &tun_ethtool_ops; - dev->destructor = tun_free_netdev; + dev->needs_free_netdev = true; + dev->priv_destructor = tun_free_netdev; /* We prefer our own queue length */ dev->tx_queue_len = TUN_READQ_SIZE; } diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index 51cf600..4037ab2 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1722,6 +1722,18 @@ static const struct driver_info lenovo_info = { .tx_fixup = ax88179_tx_fixup, }; +static const struct driver_info belkin_info = { + .description = "Belkin USB Ethernet Adapter", + .bind = ax88179_bind, + .unbind = ax88179_unbind, + .status = ax88179_status, + .link_reset = ax88179_link_reset, + .reset = ax88179_reset, + .flags = FLAG_ETHER | FLAG_FRAMING_AX, + .rx_fixup = ax88179_rx_fixup, + .tx_fixup = ax88179_tx_fixup, +}; + static const struct usb_device_id products[] = { { /* ASIX AX88179 10/100/1000 */ @@ -1751,6 +1763,10 @@ static const struct usb_device_id products[] = { /* Lenovo OneLinkDock Gigabit LAN */ USB_DEVICE(0x17ef, 0x304b), .driver_info = (unsigned long)&lenovo_info, +}, { + /* Belkin B2B128 USB 3.0 Hub + Gigabit Ethernet Adapter */ + USB_DEVICE(0x050d, 0x0128), + .driver_info = (unsigned long)&belkin_info, }, { }, }; diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c index eb52de8..c7a350b 100644 --- a/drivers/net/usb/cdc-phonet.c +++ b/drivers/net/usb/cdc-phonet.c @@ -298,7 +298,7 @@ static void usbpn_setup(struct net_device *dev) dev->addr_len = 1; dev->tx_queue_len = 3; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; } /* diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 8f923a1..32a22f4e 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -123,7 +123,7 @@ static void qmimux_setup(struct net_device *dev) dev->addr_len = 0; dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; dev->netdev_ops = &qmimux_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; } static struct net_device *qmimux_find_dev(struct usbnet *dev, u8 mux_id) @@ -1192,6 +1192,8 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1199, 0x9056, 8)}, /* Sierra Wireless Modem */ {QMI_FIXED_INTF(0x1199, 0x9057, 8)}, {QMI_FIXED_INTF(0x1199, 0x9061, 8)}, /* Sierra Wireless Modem */ + {QMI_FIXED_INTF(0x1199, 0x9063, 8)}, /* Sierra Wireless EM7305 */ + {QMI_FIXED_INTF(0x1199, 0x9063, 10)}, /* Sierra Wireless EM7305 */ {QMI_FIXED_INTF(0x1199, 0x9071, 8)}, /* Sierra Wireless MC74xx */ {QMI_FIXED_INTF(0x1199, 0x9071, 10)}, /* Sierra Wireless MC74xx */ {QMI_FIXED_INTF(0x1199, 0x9079, 8)}, /* Sierra Wireless EM74xx */ @@ -1206,6 +1208,8 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ + {QMI_FIXED_INTF(0x1c9e, 0x9801, 3)}, /* Telewell TW-3G HSPA+ */ + {QMI_FIXED_INTF(0x1c9e, 0x9803, 4)}, /* Telewell TW-3G HSPA+ */ {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index ddc62cb..1a419a4 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -4368,6 +4368,8 @@ static u8 rtl_get_version(struct usb_interface *intf) break; } + dev_dbg(&intf->dev, "Detected version 0x%04x\n", version); + return version; } diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 38f0f03..364fa9d 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -222,7 +222,6 @@ static int veth_dev_init(struct net_device *dev) static void veth_dev_free(struct net_device *dev) { free_percpu(dev->vstats); - free_netdev(dev); } #ifdef CONFIG_NET_POLL_CONTROLLER @@ -317,7 +316,8 @@ static void veth_setup(struct net_device *dev) NETIF_F_HW_VLAN_STAG_TX | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_STAG_RX); - dev->destructor = veth_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = veth_dev_free; dev->max_mtu = ETH_MAX_MTU; dev->hw_features = VETH_FEATURES; @@ -383,7 +383,7 @@ static int veth_newlink(struct net *src_net, struct net_device *dev, tbp = tb; } - if (tbp[IFLA_IFNAME]) { + if (ifmp && tbp[IFLA_IFNAME]) { nla_strlcpy(ifname, tbp[IFLA_IFNAME], IFNAMSIZ); name_assign_type = NET_NAME_USER; } else { @@ -402,7 +402,7 @@ static int veth_newlink(struct net *src_net, struct net_device *dev, return PTR_ERR(peer); } - if (tbp[IFLA_ADDRESS] == NULL) + if (!ifmp || !tbp[IFLA_ADDRESS]) eth_hw_addr_random(peer); if (ifmp && (dev->ifindex != 0)) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 3e9246c..143d8a9 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -869,7 +869,7 @@ static unsigned int get_mergeable_buf_len(struct receive_queue *rq, unsigned int len; len = hdr_len + clamp_t(unsigned int, ewma_pkt_len_read(avg_pkt_len), - rq->min_buf_len - hdr_len, PAGE_SIZE - hdr_len); + rq->min_buf_len, PAGE_SIZE - hdr_len); return ALIGN(len, L1_CACHE_BYTES); } @@ -1797,6 +1797,7 @@ static void virtnet_freeze_down(struct virtio_device *vdev) flush_work(&vi->config_work); netif_device_detach(vi->dev); + netif_tx_disable(vi->dev); cancel_delayed_work_sync(&vi->refill); if (netif_running(vi->dev)) { @@ -2144,7 +2145,8 @@ static unsigned int mergeable_min_buf_len(struct virtnet_info *vi, struct virtqu unsigned int buf_len = hdr_len + ETH_HLEN + VLAN_HLEN + packet_len; unsigned int min_buf_len = DIV_ROUND_UP(buf_len, rq_size); - return max(min_buf_len, hdr_len); + return max(max(min_buf_len, hdr_len) - hdr_len, + (unsigned int)GOOD_PACKET_LEN); } static int virtnet_find_vqs(struct virtnet_info *vi) diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index db88249..022c0b5 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -36,12 +36,14 @@ #include <net/addrconf.h> #include <net/l3mdev.h> #include <net/fib_rules.h> +#include <net/netns/generic.h> #define DRV_NAME "vrf" #define DRV_VERSION "1.0" #define FIB_RULE_PREF 1000 /* default preference for FIB rules */ -static bool add_fib_rules = true; + +static unsigned int vrf_net_id; struct net_vrf { struct rtable __rcu *rth; @@ -1348,7 +1350,7 @@ static void vrf_setup(struct net_device *dev) dev->netdev_ops = &vrf_netdev_ops; dev->l3mdev_ops = &vrf_l3mdev_ops; dev->ethtool_ops = &vrf_ethtool_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; /* Fill in device structure with ethernet-generic values. */ eth_hw_addr_random(dev); @@ -1394,6 +1396,8 @@ static int vrf_newlink(struct net *src_net, struct net_device *dev, struct nlattr *tb[], struct nlattr *data[]) { struct net_vrf *vrf = netdev_priv(dev); + bool *add_fib_rules; + struct net *net; int err; if (!data || !data[IFLA_VRF_TABLE]) @@ -1409,13 +1413,15 @@ static int vrf_newlink(struct net *src_net, struct net_device *dev, if (err) goto out; - if (add_fib_rules) { + net = dev_net(dev); + add_fib_rules = net_generic(net, vrf_net_id); + if (*add_fib_rules) { err = vrf_add_fib_rules(dev); if (err) { unregister_netdevice(dev); goto out; } - add_fib_rules = false; + *add_fib_rules = false; } out: @@ -1498,16 +1504,38 @@ static struct notifier_block vrf_notifier_block __read_mostly = { .notifier_call = vrf_device_event, }; +/* Initialize per network namespace state */ +static int __net_init vrf_netns_init(struct net *net) +{ + bool *add_fib_rules = net_generic(net, vrf_net_id); + + *add_fib_rules = true; + + return 0; +} + +static struct pernet_operations vrf_net_ops __net_initdata = { + .init = vrf_netns_init, + .id = &vrf_net_id, + .size = sizeof(bool), +}; + static int __init vrf_init_module(void) { int rc; register_netdevice_notifier(&vrf_notifier_block); - rc = rtnl_link_register(&vrf_link_ops); + rc = register_pernet_subsys(&vrf_net_ops); if (rc < 0) goto error; + rc = rtnl_link_register(&vrf_link_ops); + if (rc < 0) { + unregister_pernet_subsys(&vrf_net_ops); + goto error; + } + return 0; error: diff --git a/drivers/net/vsockmon.c b/drivers/net/vsockmon.c index 7f0136f..c28bdce 100644 --- a/drivers/net/vsockmon.c +++ b/drivers/net/vsockmon.c @@ -135,7 +135,7 @@ static void vsockmon_setup(struct net_device *dev) dev->netdev_ops = &vsockmon_ops; dev->ethtool_ops = &vsockmon_ethtool_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA | NETIF_F_LLTX; diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 328b471..5fa798a 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -59,6 +59,8 @@ static const u8 all_zeros_mac[ETH_ALEN + 2]; static int vxlan_sock_add(struct vxlan_dev *vxlan); +static void vxlan_vs_del_dev(struct vxlan_dev *vxlan); + /* per-network namespace private data for this module */ struct vxlan_net { struct list_head vxlan_list; @@ -740,6 +742,22 @@ static void vxlan_fdb_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f) call_rcu(&f->rcu, vxlan_fdb_free); } +static void vxlan_dst_free(struct rcu_head *head) +{ + struct vxlan_rdst *rd = container_of(head, struct vxlan_rdst, rcu); + + dst_cache_destroy(&rd->dst_cache); + kfree(rd); +} + +static void vxlan_fdb_dst_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f, + struct vxlan_rdst *rd) +{ + list_del_rcu(&rd->list); + vxlan_fdb_notify(vxlan, f, rd, RTM_DELNEIGH); + call_rcu(&rd->rcu, vxlan_dst_free); +} + static int vxlan_fdb_parse(struct nlattr *tb[], struct vxlan_dev *vxlan, union vxlan_addr *ip, __be16 *port, __be32 *src_vni, __be32 *vni, u32 *ifindex) @@ -864,9 +882,7 @@ static int __vxlan_fdb_delete(struct vxlan_dev *vxlan, * otherwise destroy the fdb entry */ if (rd && !list_is_singular(&f->remotes)) { - list_del_rcu(&rd->list); - vxlan_fdb_notify(vxlan, f, rd, RTM_DELNEIGH); - kfree_rcu(rd, rcu); + vxlan_fdb_dst_destroy(vxlan, f, rd); goto out; } @@ -1067,6 +1083,8 @@ static void vxlan_sock_release(struct vxlan_dev *vxlan) rcu_assign_pointer(vxlan->vn4_sock, NULL); synchronize_net(); + vxlan_vs_del_dev(vxlan); + if (__vxlan_sock_release_prep(sock4)) { udp_tunnel_sock_release(sock4->sock); kfree(sock4); @@ -2342,6 +2360,15 @@ static void vxlan_cleanup(unsigned long arg) mod_timer(&vxlan->age_timer, next_timer); } +static void vxlan_vs_del_dev(struct vxlan_dev *vxlan) +{ + struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id); + + spin_lock(&vn->sock_lock); + hlist_del_init_rcu(&vxlan->hlist); + spin_unlock(&vn->sock_lock); +} + static void vxlan_vs_add_dev(struct vxlan_sock *vs, struct vxlan_dev *vxlan) { struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id); @@ -2584,7 +2611,7 @@ static void vxlan_setup(struct net_device *dev) eth_hw_addr_random(dev); ether_setup(dev); - dev->destructor = free_netdev; + dev->needs_free_netdev = true; SET_NETDEV_DEVTYPE(dev, &vxlan_type); dev->features |= NETIF_F_LLTX; @@ -3286,15 +3313,9 @@ static int vxlan_changelink(struct net_device *dev, struct nlattr *tb[], static void vxlan_dellink(struct net_device *dev, struct list_head *head) { struct vxlan_dev *vxlan = netdev_priv(dev); - struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id); vxlan_flush(vxlan, true); - spin_lock(&vn->sock_lock); - if (!hlist_unhashed(&vxlan->hlist)) - hlist_del_rcu(&vxlan->hlist); - spin_unlock(&vn->sock_lock); - gro_cells_destroy(&vxlan->gro_cells); list_del(&vxlan->next); unregister_netdevice_queue(dev, head); diff --git a/drivers/net/wan/dlci.c b/drivers/net/wan/dlci.c index 65ee2a6..a0d76f7 100644 --- a/drivers/net/wan/dlci.c +++ b/drivers/net/wan/dlci.c @@ -475,7 +475,7 @@ static void dlci_setup(struct net_device *dev) dev->flags = 0; dev->header_ops = &dlci_header_ops; dev->netdev_ops = &dlci_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dlp->receive = dlci_receive; diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c index eb91528..78596e4 100644 --- a/drivers/net/wan/hdlc_fr.c +++ b/drivers/net/wan/hdlc_fr.c @@ -1106,7 +1106,7 @@ static int fr_add_pvc(struct net_device *frad, unsigned int dlci, int type) return -EIO; } - dev->destructor = free_netdev; + dev->needs_free_netdev = true; *get_dev_p(pvc, type) = dev; if (!used) { state(hdlc)->dce_changed = 1; diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c index 9df9ed6..63f7490 100644 --- a/drivers/net/wan/lapbether.c +++ b/drivers/net/wan/lapbether.c @@ -306,7 +306,7 @@ static const struct net_device_ops lapbeth_netdev_ops = { static void lapbeth_setup(struct net_device *dev) { dev->netdev_ops = &lapbeth_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->type = ARPHRD_X25; dev->hard_header_len = 3; dev->mtu = 1000; diff --git a/drivers/net/wireless/ath/ath6kl/main.c b/drivers/net/wireless/ath/ath6kl/main.c index 91ee542..b90c77e 100644 --- a/drivers/net/wireless/ath/ath6kl/main.c +++ b/drivers/net/wireless/ath/ath6kl/main.c @@ -1287,7 +1287,7 @@ void init_netdev(struct net_device *dev) struct ath6kl *ar = ath6kl_priv(dev); dev->netdev_ops = &ath6kl_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->watchdog_timeo = ATH6KL_TX_TIMEOUT; dev->needed_headroom = ETH_HLEN; diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index d5e993d..517a315 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -1271,6 +1271,8 @@ static int wcn36xx_remove(struct platform_device *pdev) qcom_smem_state_put(wcn->tx_enable_state); qcom_smem_state_put(wcn->tx_rings_empty_state); + rpmsg_destroy_ept(wcn->smd_channel); + iounmap(wcn->dxe_base); iounmap(wcn->ccu_base); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index cd1d673..617199c 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -5225,7 +5225,6 @@ void brcmf_cfg80211_free_netdev(struct net_device *ndev) if (vif) brcmf_free_vif(vif); - free_netdev(ndev); } static bool brcmf_is_linkup(const struct brcmf_event_msg *e) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c index a3d8236..511d190 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c @@ -624,7 +624,8 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bsscfgidx, s32 ifidx, if (!ndev) return ERR_PTR(-ENOMEM); - ndev->destructor = brcmf_cfg80211_free_netdev; + ndev->needs_free_netdev = true; + ndev->priv_destructor = brcmf_cfg80211_free_netdev; ifp = netdev_priv(ndev); ifp->ndev = ndev; /* store mapping ifidx to bsscfgidx */ diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c index c7c1e99..d231042 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c @@ -442,7 +442,7 @@ struct brcmf_fw { const char *nvram_name; u16 domain_nr; u16 bus_nr; - void (*done)(struct device *dev, const struct firmware *fw, + void (*done)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len); }; @@ -477,52 +477,51 @@ static void brcmf_fw_request_nvram_done(const struct firmware *fw, void *ctx) if (!nvram && !(fwctx->flags & BRCMF_FW_REQ_NV_OPTIONAL)) goto fail; - fwctx->done(fwctx->dev, fwctx->code, nvram, nvram_length); + fwctx->done(fwctx->dev, 0, fwctx->code, nvram, nvram_length); kfree(fwctx); return; fail: brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev)); release_firmware(fwctx->code); - device_release_driver(fwctx->dev); + fwctx->done(fwctx->dev, -ENOENT, NULL, NULL, 0); kfree(fwctx); } static void brcmf_fw_request_code_done(const struct firmware *fw, void *ctx) { struct brcmf_fw *fwctx = ctx; - int ret; + int ret = 0; brcmf_dbg(TRACE, "enter: dev=%s\n", dev_name(fwctx->dev)); - if (!fw) + if (!fw) { + ret = -ENOENT; goto fail; - - /* only requested code so done here */ - if (!(fwctx->flags & BRCMF_FW_REQUEST_NVRAM)) { - fwctx->done(fwctx->dev, fw, NULL, 0); - kfree(fwctx); - return; } + /* only requested code so done here */ + if (!(fwctx->flags & BRCMF_FW_REQUEST_NVRAM)) + goto done; + fwctx->code = fw; ret = request_firmware_nowait(THIS_MODULE, true, fwctx->nvram_name, fwctx->dev, GFP_KERNEL, fwctx, brcmf_fw_request_nvram_done); - if (!ret) - return; - - brcmf_fw_request_nvram_done(NULL, fwctx); + /* pass NULL to nvram callback for bcm47xx fallback */ + if (ret) + brcmf_fw_request_nvram_done(NULL, fwctx); return; fail: brcmf_dbg(TRACE, "failed: dev=%s\n", dev_name(fwctx->dev)); - device_release_driver(fwctx->dev); +done: + fwctx->done(fwctx->dev, ret, fw, NULL, 0); kfree(fwctx); } int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len), u16 domain_nr, u16 bus_nr) @@ -555,7 +554,7 @@ int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags, int brcmf_fw_get_firmwares(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len)) { diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h index d3c9f0d..8fa4b7e 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.h @@ -73,13 +73,13 @@ void brcmf_fw_nvram_free(void *nvram); */ int brcmf_fw_get_firmwares_pcie(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len), u16 domain_nr, u16 bus_nr); int brcmf_fw_get_firmwares(struct device *dev, u16 flags, const char *code, const char *nvram, - void (*fw_cb)(struct device *dev, + void (*fw_cb)(struct device *dev, int err, const struct firmware *fw, void *nvram_image, u32 nvram_len)); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c index 72373e5..f59642b 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c @@ -2145,7 +2145,7 @@ void brcmf_fws_add_interface(struct brcmf_if *ifp) struct brcmf_fws_info *fws = drvr_to_fws(ifp->drvr); struct brcmf_fws_mac_descriptor *entry; - if (!ifp->ndev || fws->fcmode == BRCMF_FWS_FCMODE_NONE) + if (!ifp->ndev || !brcmf_fws_queue_skbs(fws)) return; entry = &fws->desc.iface[ifp->ifidx]; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c index f36b96d..f878706 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c @@ -1650,16 +1650,23 @@ static const struct brcmf_buscore_ops brcmf_pcie_buscore_ops = { .write32 = brcmf_pcie_buscore_write32, }; -static void brcmf_pcie_setup(struct device *dev, const struct firmware *fw, +static void brcmf_pcie_setup(struct device *dev, int ret, + const struct firmware *fw, void *nvram, u32 nvram_len) { - struct brcmf_bus *bus = dev_get_drvdata(dev); - struct brcmf_pciedev *pcie_bus_dev = bus->bus_priv.pcie; - struct brcmf_pciedev_info *devinfo = pcie_bus_dev->devinfo; + struct brcmf_bus *bus; + struct brcmf_pciedev *pcie_bus_dev; + struct brcmf_pciedev_info *devinfo; struct brcmf_commonring **flowrings; - int ret; u32 i; + /* check firmware loading result */ + if (ret) + goto fail; + + bus = dev_get_drvdata(dev); + pcie_bus_dev = bus->bus_priv.pcie; + devinfo = pcie_bus_dev->devinfo; brcmf_pcie_attach(devinfo); /* Some of the firmwares have the size of the memory of the device diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index fc64b89..5653d6d 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -3422,7 +3422,7 @@ static int brcmf_sdio_bus_preinit(struct device *dev) /* otherwise, set txglomalign */ value = sdiodev->settings->bus.sdio.sd_sgentry_align; /* SDIO ADMA requires at least 32 bit alignment */ - value = max_t(u32, value, 4); + value = max_t(u32, value, ALIGNMENT); err = brcmf_iovar_data_set(dev, "bus:txglomalign", &value, sizeof(u32)); } @@ -3982,21 +3982,26 @@ static const struct brcmf_bus_ops brcmf_sdio_bus_ops = { .get_memdump = brcmf_sdio_bus_get_memdump, }; -static void brcmf_sdio_firmware_callback(struct device *dev, +static void brcmf_sdio_firmware_callback(struct device *dev, int err, const struct firmware *code, void *nvram, u32 nvram_len) { - struct brcmf_bus *bus_if = dev_get_drvdata(dev); - struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio; - struct brcmf_sdio *bus = sdiodev->bus; - int err = 0; + struct brcmf_bus *bus_if; + struct brcmf_sdio_dev *sdiodev; + struct brcmf_sdio *bus; u8 saveclk; - brcmf_dbg(TRACE, "Enter: dev=%s\n", dev_name(dev)); + brcmf_dbg(TRACE, "Enter: dev=%s, err=%d\n", dev_name(dev), err); + bus_if = dev_get_drvdata(dev); + sdiodev = bus_if->bus_priv.sdio; + if (err) + goto fail; if (!bus_if->drvr) return; + bus = sdiodev->bus; + /* try to download image and nvram to the dongle */ bus->alp_only = true; err = brcmf_sdio_download_firmware(bus, code, nvram, nvram_len); @@ -4083,6 +4088,7 @@ release: fail: brcmf_dbg(TRACE, "failed: dev=%s, err=%d\n", dev_name(dev), err); device_release_driver(dev); + device_release_driver(&sdiodev->func[2]->dev); } struct brcmf_sdio *brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c index e4d545f..0eea48e 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/usb.c @@ -1159,17 +1159,18 @@ fail: return ret; } -static void brcmf_usb_probe_phase2(struct device *dev, +static void brcmf_usb_probe_phase2(struct device *dev, int ret, const struct firmware *fw, void *nvram, u32 nvlen) { struct brcmf_bus *bus = dev_get_drvdata(dev); - struct brcmf_usbdev_info *devinfo; - int ret; + struct brcmf_usbdev_info *devinfo = bus->bus_priv.usb->devinfo; + + if (ret) + goto error; brcmf_dbg(USB, "Start fw downloading\n"); - devinfo = bus->bus_priv.usb->devinfo; ret = check_file(fw->data); if (ret < 0) { brcmf_err("invalid firmware\n"); diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-7000.c b/drivers/net/wireless/intel/iwlwifi/iwl-7000.c index 3b3e076..45e2efc 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-7000.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-7000.c @@ -79,8 +79,8 @@ /* Lowest firmware API version supported */ #define IWL7260_UCODE_API_MIN 17 #define IWL7265_UCODE_API_MIN 17 -#define IWL7265D_UCODE_API_MIN 17 -#define IWL3168_UCODE_API_MIN 20 +#define IWL7265D_UCODE_API_MIN 22 +#define IWL3168_UCODE_API_MIN 22 /* NVM versions */ #define IWL7260_NVM_VERSION 0x0a1d diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c index b9718c0..8913771 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-8000.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-8000.c @@ -74,8 +74,8 @@ #define IWL8265_UCODE_API_MAX 30 /* Lowest firmware API version supported */ -#define IWL8000_UCODE_API_MIN 17 -#define IWL8265_UCODE_API_MIN 20 +#define IWL8000_UCODE_API_MIN 22 +#define IWL8265_UCODE_API_MIN 22 /* NVM versions */ #define IWL8000_NVM_VERSION 0x0a1d diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h index 306bc96..77efbb7 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-prph.h @@ -370,6 +370,7 @@ #define MON_DMARB_RD_DATA_ADDR (0xa03c5c) #define DBGC_IN_SAMPLE (0xa03c00) +#define DBGC_OUT_CTRL (0xa03c0c) /* enable the ID buf for read */ #define WFPM_PS_CTL_CLR 0xA0300C diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rs.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rs.h index 1b7d265..a10c6aa 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rs.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rs.h @@ -307,6 +307,11 @@ enum { /* Bit 1-3: LQ command color. Used to match responses to LQ commands */ #define LQ_FLAG_COLOR_POS 1 #define LQ_FLAG_COLOR_MSK (7 << LQ_FLAG_COLOR_POS) +#define LQ_FLAG_COLOR_GET(_f) (((_f) & LQ_FLAG_COLOR_MSK) >>\ + LQ_FLAG_COLOR_POS) +#define LQ_FLAGS_COLOR_INC(_c) ((((_c) + 1) << LQ_FLAG_COLOR_POS) &\ + LQ_FLAG_COLOR_MSK) +#define LQ_FLAG_COLOR_SET(_f, _c) ((_c) | ((_f) & ~LQ_FLAG_COLOR_MSK)) /* Bit 4-5: Tx RTS BW Signalling * (0) No RTS BW signalling diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h index 81b9891..1360ebf 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-tx.h @@ -519,8 +519,11 @@ struct agg_tx_status { * bit-7 invalid rate indication */ #define TX_RES_INIT_RATE_INDEX_MSK 0x0f +#define TX_RES_RATE_TABLE_COLOR_POS 4 #define TX_RES_RATE_TABLE_COLOR_MSK 0x70 #define TX_RES_INV_RATE_INDEX_MSK 0x80 +#define TX_RES_RATE_TABLE_COL_GET(_f) (((_f) & TX_RES_RATE_TABLE_COLOR_MSK) >>\ + TX_RES_RATE_TABLE_COLOR_POS) #define IWL_MVM_TX_RES_GET_TID(_ra_tid) ((_ra_tid) & 0x0f) #define IWL_MVM_TX_RES_GET_RA(_ra_tid) ((_ra_tid) >> 4) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c index 7b86a4f..c8712e6 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c @@ -1002,14 +1002,6 @@ int iwl_mvm_fw_dbg_collect_trig(struct iwl_mvm *mvm, return 0; } -static inline void iwl_mvm_restart_early_start(struct iwl_mvm *mvm) -{ - if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) - iwl_clear_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100); - else - iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 1); -} - int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id) { u8 *ptr; @@ -1023,10 +1015,8 @@ int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id) /* EARLY START - firmware's configuration is hard coded */ if ((!mvm->fw->dbg_conf_tlv[conf_id] || !mvm->fw->dbg_conf_tlv[conf_id]->num_of_hcmds) && - conf_id == FW_DBG_START_FROM_ALIVE) { - iwl_mvm_restart_early_start(mvm); + conf_id == FW_DBG_START_FROM_ALIVE) return 0; - } if (!mvm->fw->dbg_conf_tlv[conf_id]) return -EINVAL; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index 0f1831b..fd2fc46 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -1040,7 +1040,7 @@ static int iwl_mvm_mac_ctxt_send_beacon(struct iwl_mvm *mvm, struct iwl_mac_beacon_cmd_v6 beacon_cmd_v6; struct iwl_mac_beacon_cmd_v7 beacon_cmd; } u = {}; - struct iwl_mac_beacon_cmd beacon_cmd; + struct iwl_mac_beacon_cmd beacon_cmd = {}; struct ieee80211_tx_info *info; u32 beacon_skb_len; u32 rate, tx_flags; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index 4e74a6b..52f8d7a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -1730,8 +1730,11 @@ int iwl_mvm_find_free_queue(struct iwl_mvm *mvm, u8 sta_id, u8 minq, u8 maxq); */ static inline u32 iwl_mvm_flushable_queues(struct iwl_mvm *mvm) { + u32 cmd_queue = iwl_mvm_is_dqa_supported(mvm) ? IWL_MVM_DQA_CMD_QUEUE : + IWL_MVM_CMD_QUEUE; + return ((BIT(mvm->cfg->base_params->num_of_queues) - 1) & - ~BIT(IWL_MVM_CMD_QUEUE)); + ~BIT(cmd_queue)); } static inline @@ -1753,6 +1756,7 @@ static inline void iwl_mvm_stop_device(struct iwl_mvm *mvm) if (!iwl_mvm_has_new_tx_api(mvm)) iwl_free_fw_paging(mvm); mvm->ucode_loaded = false; + mvm->fw_dbg_conf = FW_DBG_INVALID; iwl_trans_stop_device(mvm->trans); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 9ffff6e..3da5ec4 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -1149,21 +1149,37 @@ static void iwl_mvm_fw_error_dump_wk(struct work_struct *work) mutex_lock(&mvm->mutex); - /* stop recording */ if (mvm->cfg->device_family == IWL_DEVICE_FAMILY_7000) { + /* stop recording */ iwl_set_bits_prph(mvm->trans, MON_BUFF_SAMPLE_CTL, 0x100); + + iwl_mvm_fw_error_dump(mvm); + + /* start recording again if the firmware is not crashed */ + if (!test_bit(STATUS_FW_ERROR, &mvm->trans->status) && + mvm->fw->dbg_dest_tlv) + iwl_clear_bits_prph(mvm->trans, + MON_BUFF_SAMPLE_CTL, 0x100); } else { + u32 in_sample = iwl_read_prph(mvm->trans, DBGC_IN_SAMPLE); + u32 out_ctrl = iwl_read_prph(mvm->trans, DBGC_OUT_CTRL); + + /* stop recording */ iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, 0); - /* wait before we collect the data till the DBGC stop */ udelay(100); - } + iwl_write_prph(mvm->trans, DBGC_OUT_CTRL, 0); + /* wait before we collect the data till the DBGC stop */ + udelay(500); - iwl_mvm_fw_error_dump(mvm); + iwl_mvm_fw_error_dump(mvm); - /* start recording again if the firmware is not crashed */ - WARN_ON_ONCE((!test_bit(STATUS_FW_ERROR, &mvm->trans->status)) && - mvm->fw->dbg_dest_tlv && - iwl_mvm_start_fw_dbg_conf(mvm, mvm->fw_dbg_conf)); + /* start recording again if the firmware is not crashed */ + if (!test_bit(STATUS_FW_ERROR, &mvm->trans->status) && + mvm->fw->dbg_dest_tlv) { + iwl_write_prph(mvm->trans, DBGC_IN_SAMPLE, in_sample); + iwl_write_prph(mvm->trans, DBGC_OUT_CTRL, out_ctrl); + } + } mutex_unlock(&mvm->mutex); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index 7788eef..aa785cf 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -2,7 +2,7 @@ * * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH - * Copyright(c) 2016 Intel Deutschland GmbH + * Copyright(c) 2016 - 2017 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -1083,34 +1083,6 @@ static void rs_get_lower_rate_down_column(struct iwl_lq_sta *lq_sta, rs_get_lower_rate_in_column(lq_sta, rate); } -/* Check if both rates are identical - * allow_ant_mismatch enables matching a SISO rate on ANT_A or ANT_B - * with a rate indicating STBC/BFER and ANT_AB. - */ -static inline bool rs_rate_equal(struct rs_rate *a, - struct rs_rate *b, - bool allow_ant_mismatch) - -{ - bool ant_match = (a->ant == b->ant) && (a->stbc == b->stbc) && - (a->bfer == b->bfer); - - if (allow_ant_mismatch) { - if (a->stbc || a->bfer) { - WARN_ONCE(a->ant != ANT_AB, "stbc %d bfer %d ant %d", - a->stbc, a->bfer, a->ant); - ant_match |= (b->ant == ANT_A || b->ant == ANT_B); - } else if (b->stbc || b->bfer) { - WARN_ONCE(b->ant != ANT_AB, "stbc %d bfer %d ant %d", - b->stbc, b->bfer, b->ant); - ant_match |= (a->ant == ANT_A || a->ant == ANT_B); - } - } - - return (a->type == b->type) && (a->bw == b->bw) && (a->sgi == b->sgi) && - (a->ldpc == b->ldpc) && (a->index == b->index) && ant_match; -} - /* Check if both rates share the same column */ static inline bool rs_rate_column_match(struct rs_rate *a, struct rs_rate *b) @@ -1182,12 +1154,12 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, u32 lq_hwrate; struct rs_rate lq_rate, tx_resp_rate; struct iwl_scale_tbl_info *curr_tbl, *other_tbl, *tmp_tbl; - u8 reduced_txp = (uintptr_t)info->status.status_driver_data[0]; + u32 tlc_info = (uintptr_t)info->status.status_driver_data[0]; + u8 reduced_txp = tlc_info & RS_DRV_DATA_TXP_MSK; + u8 lq_color = RS_DRV_DATA_LQ_COLOR_GET(tlc_info); u32 tx_resp_hwrate = (uintptr_t)info->status.status_driver_data[1]; struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); struct iwl_lq_sta *lq_sta = &mvmsta->lq_sta; - bool allow_ant_mismatch = fw_has_api(&mvm->fw->ucode_capa, - IWL_UCODE_TLV_API_LQ_SS_PARAMS); /* Treat uninitialized rate scaling data same as non-existing. */ if (!lq_sta) { @@ -1262,10 +1234,10 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta, rs_rate_from_ucode_rate(lq_hwrate, info->band, &lq_rate); /* Here we actually compare this rate to the latest LQ command */ - if (!rs_rate_equal(&tx_resp_rate, &lq_rate, allow_ant_mismatch)) { + if (lq_color != LQ_FLAG_COLOR_GET(table->flags)) { IWL_DEBUG_RATE(mvm, - "initial tx resp rate 0x%x does not match 0x%x\n", - tx_resp_hwrate, lq_hwrate); + "tx resp color 0x%x does not match 0x%x\n", + lq_color, LQ_FLAG_COLOR_GET(table->flags)); /* * Since rates mis-match, the last LQ command may have failed. @@ -3326,6 +3298,7 @@ static void rs_build_rates_table(struct iwl_mvm *mvm, u8 valid_tx_ant = 0; struct iwl_lq_cmd *lq_cmd = &lq_sta->lq; bool toggle_ant = false; + u32 color; memcpy(&rate, initial_rate, sizeof(rate)); @@ -3380,6 +3353,9 @@ static void rs_build_rates_table(struct iwl_mvm *mvm, num_rates, num_retries, valid_tx_ant, toggle_ant); + /* update the color of the LQ command (as a counter at bits 1-3) */ + color = LQ_FLAGS_COLOR_INC(LQ_FLAG_COLOR_GET(lq_cmd->flags)); + lq_cmd->flags = LQ_FLAG_COLOR_SET(lq_cmd->flags, color); } struct rs_bfer_active_iter_data { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h index ee207f2..3abde1c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h @@ -2,6 +2,7 @@ * * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2015 Intel Mobile Communications GmbH + * Copyright(c) 2017 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as @@ -357,6 +358,20 @@ struct iwl_lq_sta { } pers; }; +/* ieee80211_tx_info's status_driver_data[0] is packed with lq color and txp + * Note, it's iwlmvm <-> mac80211 interface. + * bits 0-7: reduced tx power + * bits 8-10: LQ command's color + */ +#define RS_DRV_DATA_TXP_MSK 0xff +#define RS_DRV_DATA_LQ_COLOR_POS 8 +#define RS_DRV_DATA_LQ_COLOR_MSK (7 << RS_DRV_DATA_LQ_COLOR_POS) +#define RS_DRV_DATA_LQ_COLOR_GET(_f) (((_f) & RS_DRV_DATA_LQ_COLOR_MSK) >>\ + RS_DRV_DATA_LQ_COLOR_POS) +#define RS_DRV_DATA_PACK(_c, _p) ((void *)(uintptr_t)\ + (((uintptr_t)_p) |\ + ((_c) << RS_DRV_DATA_LQ_COLOR_POS))) + /* Initialize station's rate scaling information after adding station */ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta, enum nl80211_band band, bool init); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index f5c786d..614d678 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -2120,7 +2120,8 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) if (!iwl_mvm_is_dqa_supported(mvm)) return 0; - if (WARN_ON(vif->type != NL80211_IFTYPE_AP)) + if (WARN_ON(vif->type != NL80211_IFTYPE_AP && + vif->type != NL80211_IFTYPE_ADHOC)) return -ENOTSUPP; /* @@ -2155,6 +2156,16 @@ int iwl_mvm_add_mcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) mvmvif->cab_queue = queue; } else if (!fw_has_api(&mvm->fw->ucode_capa, IWL_UCODE_TLV_API_STA_TYPE)) { + /* + * In IBSS, ieee80211_check_queues() sets the cab_queue to be + * invalid, so make sure we use the queue we want. + * Note that this is done here as we want to avoid making DQA + * changes in mac80211 layer. + */ + if (vif->type == NL80211_IFTYPE_ADHOC) { + vif->cab_queue = IWL_MVM_DQA_GCAST_QUEUE; + mvmvif->cab_queue = vif->cab_queue; + } iwl_mvm_enable_txq(mvm, vif->cab_queue, vif->cab_queue, 0, &cfg, timeout); } @@ -3321,18 +3332,15 @@ int iwl_mvm_remove_sta_key(struct iwl_mvm *mvm, /* Get the station from the mvm local station table */ mvm_sta = iwl_mvm_get_key_sta(mvm, vif, sta); - if (!mvm_sta) { - IWL_ERR(mvm, "Failed to find station\n"); - return -EINVAL; - } - sta_id = mvm_sta->sta_id; + if (mvm_sta) + sta_id = mvm_sta->sta_id; IWL_DEBUG_WEP(mvm, "mvm remove dynamic key: idx=%d sta=%d\n", keyconf->keyidx, sta_id); - if (keyconf->cipher == WLAN_CIPHER_SUITE_AES_CMAC || - keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || - keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256) + if (mvm_sta && (keyconf->cipher == WLAN_CIPHER_SUITE_AES_CMAC || + keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_128 || + keyconf->cipher == WLAN_CIPHER_SUITE_BIP_GMAC_256)) return iwl_mvm_send_sta_igtk(mvm, keyconf, sta_id, true); if (!__test_and_clear_bit(keyconf->hw_key_idx, mvm->fw_key_table)) { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h index 2716cb5..ad62b67 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h @@ -313,6 +313,7 @@ enum iwl_mvm_agg_state { * This is basically (last acked packet++). * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the * Tx response (TX_CMD), and the block ack notification (COMPRESSED_BA). + * @lq_color: the color of the LQ command as it appears in tx response. * @amsdu_in_ampdu_allowed: true if A-MSDU in A-MPDU is allowed. * @state: state of the BA agreement establishment / tear down. * @txq_id: Tx queue used by the BA session / DQA @@ -331,6 +332,7 @@ struct iwl_mvm_tid_data { u16 next_reclaimed; /* The rest is Tx AGG related */ u32 rate_n_flags; + u8 lq_color; bool amsdu_in_ampdu_allowed; enum iwl_mvm_agg_state state; u16 txq_id; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c index f9cbd19..506d581 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c @@ -790,11 +790,13 @@ static int iwl_mvm_tcool_set_cur_state(struct thermal_cooling_device *cdev, struct iwl_mvm *mvm = (struct iwl_mvm *)(cdev->devdata); int ret; - if (!mvm->ucode_loaded || !(mvm->cur_ucode == IWL_UCODE_REGULAR)) - return -EIO; - mutex_lock(&mvm->mutex); + if (!mvm->ucode_loaded || !(mvm->cur_ucode == IWL_UCODE_REGULAR)) { + ret = -EIO; + goto unlock; + } + if (new_state >= ARRAY_SIZE(iwl_mvm_cdev_budgets)) { ret = -EINVAL; goto unlock; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index bcaceb64..f21901c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -1323,6 +1323,7 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta; struct sk_buff_head skbs; u8 skb_freed = 0; + u8 lq_color; u16 next_reclaimed, seq_ctl; bool is_ndp = false; @@ -1405,8 +1406,9 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, info->status.tx_time = le16_to_cpu(tx_resp->wireless_media_time); BUILD_BUG_ON(ARRAY_SIZE(info->status.status_driver_data) < 1); + lq_color = TX_RES_RATE_TABLE_COL_GET(tx_resp->tlc_info); info->status.status_driver_data[0] = - (void *)(uintptr_t)tx_resp->reduced_tpc; + RS_DRV_DATA_PACK(lq_color, tx_resp->reduced_tpc); ieee80211_tx_status(mvm->hw, skb); } @@ -1638,6 +1640,9 @@ static void iwl_mvm_rx_tx_cmd_agg(struct iwl_mvm *mvm, le32_to_cpu(tx_resp->initial_rate); mvmsta->tid_data[tid].tx_time = le16_to_cpu(tx_resp->wireless_media_time); + mvmsta->tid_data[tid].lq_color = + (tx_resp->tlc_info & TX_RES_RATE_TABLE_COLOR_MSK) >> + TX_RES_RATE_TABLE_COLOR_POS; } rcu_read_unlock(); @@ -1707,6 +1712,11 @@ static void iwl_mvm_tx_reclaim(struct iwl_mvm *mvm, int sta_id, int tid, iwl_mvm_check_ratid_empty(mvm, sta, tid); freed = 0; + + /* pack lq color from tid_data along the reduced txp */ + ba_info->status.status_driver_data[0] = + RS_DRV_DATA_PACK(tid_data->lq_color, + ba_info->status.status_driver_data[0]); ba_info->status.status_driver_data[1] = (void *)(uintptr_t)rate; skb_queue_walk(&reclaimed_skbs, skb) { diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index 70acf85..93cbc7a 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -2803,7 +2803,8 @@ static struct iwl_trans_dump_data #ifdef CONFIG_PM_SLEEP static int iwl_trans_pcie_suspend(struct iwl_trans *trans) { - if (trans->runtime_pm_mode == IWL_PLAT_PM_MODE_D0I3) + if (trans->runtime_pm_mode == IWL_PLAT_PM_MODE_D0I3 && + (trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3)) return iwl_pci_fw_enter_d0i3(trans); return 0; @@ -2811,7 +2812,8 @@ static int iwl_trans_pcie_suspend(struct iwl_trans *trans) static void iwl_trans_pcie_resume(struct iwl_trans *trans) { - if (trans->runtime_pm_mode == IWL_PLAT_PM_MODE_D0I3) + if (trans->runtime_pm_mode == IWL_PLAT_PM_MODE_D0I3 && + (trans->system_pm_mode == IWL_PLAT_PM_MODE_D0I3)) iwl_pci_fw_exit_d0i3(trans); } #endif /* CONFIG_PM_SLEEP */ diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c index 9fb46a6f..9c9bfbb 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c @@ -906,7 +906,7 @@ int iwl_trans_pcie_dyn_txq_alloc(struct iwl_trans *trans, if (WARN_ON(iwl_rx_packet_payload_len(hcmd.resp_pkt) != sizeof(*rsp))) { ret = -EINVAL; - goto error; + goto error_free_resp; } rsp = (void *)hcmd.resp_pkt->data; @@ -915,13 +915,13 @@ int iwl_trans_pcie_dyn_txq_alloc(struct iwl_trans *trans, if (qid > ARRAY_SIZE(trans_pcie->txq)) { WARN_ONCE(1, "queue index %d unsupported", qid); ret = -EIO; - goto error; + goto error_free_resp; } if (test_and_set_bit(qid, trans_pcie->queue_used)) { WARN_ONCE(1, "queue %d already used", qid); ret = -EIO; - goto error; + goto error_free_resp; } txq->id = qid; @@ -934,8 +934,11 @@ int iwl_trans_pcie_dyn_txq_alloc(struct iwl_trans *trans, (txq->write_ptr) | (qid << 16)); IWL_DEBUG_TX_QUEUES(trans, "Activate queue %d\n", qid); + iwl_free_resp(&hcmd); return qid; +error_free_resp: + iwl_free_resp(&hcmd); error: iwl_pcie_gen2_txq_free_memory(trans, txq); return ret; diff --git a/drivers/net/wireless/intersil/hostap/hostap_main.c b/drivers/net/wireless/intersil/hostap/hostap_main.c index 544fc09..1372b20 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_main.c +++ b/drivers/net/wireless/intersil/hostap/hostap_main.c @@ -73,7 +73,7 @@ struct net_device * hostap_add_interface(struct local_info *local, dev->mem_end = mdev->mem_end; hostap_setup_dev(dev, local, type); - dev->destructor = free_netdev; + dev->needs_free_netdev = true; sprintf(dev->name, "%s%s", prefix, name); if (!rtnl_locked) diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 002b25c..c854a55 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -2861,7 +2861,7 @@ static const struct net_device_ops hwsim_netdev_ops = { static void hwsim_mon_setup(struct net_device *dev) { dev->netdev_ops = &hwsim_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; ether_setup(dev); dev->priv_flags |= IFF_NO_QUEUE; dev->type = ARPHRD_IEEE80211_RADIOTAP; diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c index dd87b9f..39b6b5e 100644 --- a/drivers/net/wireless/marvell/mwifiex/main.c +++ b/drivers/net/wireless/marvell/mwifiex/main.c @@ -1280,7 +1280,7 @@ void mwifiex_init_priv_params(struct mwifiex_private *priv, struct net_device *dev) { dev->netdev_ops = &mwifiex_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; /* Initialize private structure */ priv->current_key_index = 0; priv->media_connected = false; diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h index 530586b..5b1d2e8 100644 --- a/drivers/net/xen-netback/common.h +++ b/drivers/net/xen-netback/common.h @@ -199,6 +199,7 @@ struct xenvif_queue { /* Per-queue data for xenvif */ unsigned long remaining_credit; struct timer_list credit_timeout; u64 credit_window_start; + bool rate_limited; /* Statistics */ struct xenvif_stats stats; diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 8397f6c..e322a86 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -106,7 +106,11 @@ static int xenvif_poll(struct napi_struct *napi, int budget) if (work_done < budget) { napi_complete_done(napi, work_done); - xenvif_napi_schedule_or_enable_events(queue); + /* If the queue is rate-limited, it shall be + * rescheduled in the timer callback. + */ + if (likely(!queue->rate_limited)) + xenvif_napi_schedule_or_enable_events(queue); } return work_done; diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index 602d408..5042ff8 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -180,6 +180,7 @@ static void tx_add_credit(struct xenvif_queue *queue) max_credit = ULONG_MAX; /* wrapped: clamp to ULONG_MAX */ queue->remaining_credit = min(max_credit, max_burst); + queue->rate_limited = false; } void xenvif_tx_credit_callback(unsigned long data) @@ -686,8 +687,10 @@ static bool tx_credit_exceeded(struct xenvif_queue *queue, unsigned size) msecs_to_jiffies(queue->credit_usec / 1000); /* Timer could already be pending in rare cases. */ - if (timer_pending(&queue->credit_timeout)) + if (timer_pending(&queue->credit_timeout)) { + queue->rate_limited = true; return true; + } /* Passed the point where we can replenish credit? */ if (time_after_eq64(now, next_credit)) { @@ -702,6 +705,7 @@ static bool tx_credit_exceeded(struct xenvif_queue *queue, unsigned size) mod_timer(&queue->credit_timeout, next_credit); queue->credit_window_start = next_credit; + queue->rate_limited = true; return true; } diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.c b/drivers/ntb/hw/intel/ntb_hw_intel.c index c002384..7b3b6fd 100644 --- a/drivers/ntb/hw/intel/ntb_hw_intel.c +++ b/drivers/ntb/hw/intel/ntb_hw_intel.c @@ -2878,7 +2878,7 @@ static const struct intel_ntb_reg skx_reg = { .link_is_up = xeon_link_is_up, .db_ioread = skx_db_ioread, .db_iowrite = skx_db_iowrite, - .db_size = sizeof(u64), + .db_size = sizeof(u32), .ntb_ctl = SKX_NTBCNTL_OFFSET, .mw_bar = {2, 4}, }; diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index 02ca45f..10e5bf4 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -177,14 +177,12 @@ struct ntb_transport_qp { u64 rx_err_ver; u64 rx_memcpy; u64 rx_async; - u64 dma_rx_prep_err; u64 tx_bytes; u64 tx_pkts; u64 tx_ring_full; u64 tx_err_no_buf; u64 tx_memcpy; u64 tx_async; - u64 dma_tx_prep_err; }; struct ntb_transport_mw { @@ -254,8 +252,6 @@ enum { #define QP_TO_MW(nt, qp) ((qp) % nt->mw_count) #define NTB_QP_DEF_NUM_ENTRIES 100 #define NTB_LINK_DOWN_TIMEOUT 10 -#define DMA_RETRIES 20 -#define DMA_OUT_RESOURCE_TO msecs_to_jiffies(50) static void ntb_transport_rxc_db(unsigned long data); static const struct ntb_ctx_ops ntb_transport_ops; @@ -516,12 +512,6 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf, size_t count, out_offset += snprintf(buf + out_offset, out_count - out_offset, "free tx - \t%u\n", ntb_transport_tx_free_entry(qp)); - out_offset += snprintf(buf + out_offset, out_count - out_offset, - "DMA tx prep err - \t%llu\n", - qp->dma_tx_prep_err); - out_offset += snprintf(buf + out_offset, out_count - out_offset, - "DMA rx prep err - \t%llu\n", - qp->dma_rx_prep_err); out_offset += snprintf(buf + out_offset, out_count - out_offset, "\n"); @@ -623,7 +613,7 @@ static int ntb_transport_setup_qp_mw(struct ntb_transport_ctx *nt, if (!mw->virt_addr) return -ENOMEM; - if (qp_count % mw_count && mw_num + 1 < qp_count / mw_count) + if (mw_num < qp_count % mw_count) num_qps_mw = qp_count / mw_count + 1; else num_qps_mw = qp_count / mw_count; @@ -768,8 +758,6 @@ static void ntb_qp_link_down_reset(struct ntb_transport_qp *qp) qp->tx_err_no_buf = 0; qp->tx_memcpy = 0; qp->tx_async = 0; - qp->dma_tx_prep_err = 0; - qp->dma_rx_prep_err = 0; } static void ntb_qp_link_cleanup(struct ntb_transport_qp *qp) @@ -1000,7 +988,7 @@ static int ntb_transport_init_queue(struct ntb_transport_ctx *nt, qp->event_handler = NULL; ntb_qp_link_down_reset(qp); - if (qp_count % mw_count && mw_num + 1 < qp_count / mw_count) + if (mw_num < qp_count % mw_count) num_qps_mw = qp_count / mw_count + 1; else num_qps_mw = qp_count / mw_count; @@ -1128,8 +1116,8 @@ static int ntb_transport_probe(struct ntb_client *self, struct ntb_dev *ndev) qp_count = ilog2(qp_bitmap); if (max_num_clients && max_num_clients < qp_count) qp_count = max_num_clients; - else if (mw_count < qp_count) - qp_count = mw_count; + else if (nt->mw_count < qp_count) + qp_count = nt->mw_count; qp_bitmap &= BIT_ULL(qp_count) - 1; @@ -1317,7 +1305,6 @@ static int ntb_async_rx_submit(struct ntb_queue_entry *entry, void *offset) struct dmaengine_unmap_data *unmap; dma_cookie_t cookie; void *buf = entry->buf; - int retries = 0; len = entry->len; device = chan->device; @@ -1346,22 +1333,11 @@ static int ntb_async_rx_submit(struct ntb_queue_entry *entry, void *offset) unmap->from_cnt = 1; - for (retries = 0; retries < DMA_RETRIES; retries++) { - txd = device->device_prep_dma_memcpy(chan, - unmap->addr[1], - unmap->addr[0], len, - DMA_PREP_INTERRUPT); - if (txd) - break; - - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(DMA_OUT_RESOURCE_TO); - } - - if (!txd) { - qp->dma_rx_prep_err++; + txd = device->device_prep_dma_memcpy(chan, unmap->addr[1], + unmap->addr[0], len, + DMA_PREP_INTERRUPT); + if (!txd) goto err_get_unmap; - } txd->callback_result = ntb_rx_copy_callback; txd->callback_param = entry; @@ -1606,7 +1582,6 @@ static int ntb_async_tx_submit(struct ntb_transport_qp *qp, struct dmaengine_unmap_data *unmap; dma_addr_t dest; dma_cookie_t cookie; - int retries = 0; device = chan->device; dest = qp->tx_mw_phys + qp->tx_max_frame * entry->tx_index; @@ -1628,21 +1603,10 @@ static int ntb_async_tx_submit(struct ntb_transport_qp *qp, unmap->to_cnt = 1; - for (retries = 0; retries < DMA_RETRIES; retries++) { - txd = device->device_prep_dma_memcpy(chan, dest, - unmap->addr[0], len, - DMA_PREP_INTERRUPT); - if (txd) - break; - - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(DMA_OUT_RESOURCE_TO); - } - - if (!txd) { - qp->dma_tx_prep_err++; + txd = device->device_prep_dma_memcpy(chan, dest, unmap->addr[0], len, + DMA_PREP_INTERRUPT); + if (!txd) goto err_get_unmap; - } txd->callback_result = ntb_tx_copy_callback; txd->callback_param = entry; diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c index 434e1d4..5cab283 100644 --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -90,11 +90,11 @@ MODULE_PARM_DESC(max_mw_size, "Limit size of large memory windows"); static unsigned int seg_order = 19; /* 512K */ module_param(seg_order, uint, 0644); -MODULE_PARM_DESC(seg_order, "size order [n^2] of buffer segment for testing"); +MODULE_PARM_DESC(seg_order, "size order [2^n] of buffer segment for testing"); static unsigned int run_order = 32; /* 4G */ module_param(run_order, uint, 0644); -MODULE_PARM_DESC(run_order, "size order [n^2] of total data to transfer"); +MODULE_PARM_DESC(run_order, "size order [2^n] of total data to transfer"); static bool use_dma; /* default to 0 */ module_param(use_dma, bool, 0644); diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index a609264..903d581 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -56,7 +56,7 @@ MODULE_PARM_DESC(max_retries, "max number of retries a command may have"); static int nvme_char_major; module_param(nvme_char_major, int, 0); -static unsigned long default_ps_max_latency_us = 25000; +static unsigned long default_ps_max_latency_us = 100000; module_param(default_ps_max_latency_us, ulong, 0644); MODULE_PARM_DESC(default_ps_max_latency_us, "max power saving latency for new devices; use PM QOS to change per device"); @@ -1342,7 +1342,7 @@ static void nvme_configure_apst(struct nvme_ctrl *ctrl) * transitioning between power states. Therefore, when running * in any given state, we will enter the next lower-power * non-operational state after waiting 50 * (enlat + exlat) - * microseconds, as long as that state's total latency is under + * microseconds, as long as that state's exit latency is under * the requested maximum latency. * * We will not autonomously enter any non-operational state for @@ -1387,7 +1387,7 @@ static void nvme_configure_apst(struct nvme_ctrl *ctrl) * lowest-power state, not the number of states. */ for (state = (int)ctrl->npss; state >= 0; state--) { - u64 total_latency_us, transition_ms; + u64 total_latency_us, exit_latency_us, transition_ms; if (target) table->entries[state] = target; @@ -1408,12 +1408,15 @@ static void nvme_configure_apst(struct nvme_ctrl *ctrl) NVME_PS_FLAGS_NON_OP_STATE)) continue; - total_latency_us = - (u64)le32_to_cpu(ctrl->psd[state].entry_lat) + - + le32_to_cpu(ctrl->psd[state].exit_lat); - if (total_latency_us > ctrl->ps_max_latency_us) + exit_latency_us = + (u64)le32_to_cpu(ctrl->psd[state].exit_lat); + if (exit_latency_us > ctrl->ps_max_latency_us) continue; + total_latency_us = + exit_latency_us + + le32_to_cpu(ctrl->psd[state].entry_lat); + /* * This state is good. Use it as the APST idle * target for higher power states. @@ -2438,6 +2441,10 @@ void nvme_kill_queues(struct nvme_ctrl *ctrl) struct nvme_ns *ns; mutex_lock(&ctrl->namespaces_mutex); + + /* Forcibly start all queues to avoid having stuck requests */ + blk_mq_start_hw_queues(ctrl->admin_q); + list_for_each_entry(ns, &ctrl->namespaces, list) { /* * Revalidating a dead namespace sets capacity to 0. This will diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 5b14cbe..92964ce 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -1139,6 +1139,7 @@ nvme_fc_xmt_disconnect_assoc(struct nvme_fc_ctrl *ctrl) /* *********************** NVME Ctrl Routines **************************** */ static void __nvme_fc_final_op_cleanup(struct request *rq); +static void nvme_fc_error_recovery(struct nvme_fc_ctrl *ctrl, char *errmsg); static int nvme_fc_reinit_request(void *data, struct request *rq) @@ -1265,7 +1266,7 @@ nvme_fc_fcpio_done(struct nvmefc_fcp_req *req) struct nvme_command *sqe = &op->cmd_iu.sqe; __le16 status = cpu_to_le16(NVME_SC_SUCCESS << 1); union nvme_result result; - bool complete_rq; + bool complete_rq, terminate_assoc = true; /* * WARNING: @@ -1294,6 +1295,14 @@ nvme_fc_fcpio_done(struct nvmefc_fcp_req *req) * fabricate a CQE, the following fields will not be set as they * are not referenced: * cqe.sqid, cqe.sqhd, cqe.command_id + * + * Failure or error of an individual i/o, in a transport + * detected fashion unrelated to the nvme completion status, + * potentially cause the initiator and target sides to get out + * of sync on SQ head/tail (aka outstanding io count allowed). + * Per FC-NVME spec, failure of an individual command requires + * the connection to be terminated, which in turn requires the + * association to be terminated. */ fc_dma_sync_single_for_cpu(ctrl->lport->dev, op->fcp_req.rspdma, @@ -1359,6 +1368,8 @@ nvme_fc_fcpio_done(struct nvmefc_fcp_req *req) goto done; } + terminate_assoc = false; + done: if (op->flags & FCOP_FLAGS_AEN) { nvme_complete_async_event(&queue->ctrl->ctrl, status, &result); @@ -1366,7 +1377,7 @@ done: atomic_set(&op->state, FCPOP_STATE_IDLE); op->flags = FCOP_FLAGS_AEN; /* clear other flags */ nvme_fc_ctrl_put(ctrl); - return; + goto check_error; } complete_rq = __nvme_fc_fcpop_chk_teardowns(ctrl, op); @@ -1379,6 +1390,10 @@ done: nvme_end_request(rq, status, result); } else __nvme_fc_final_op_cleanup(rq); + +check_error: + if (terminate_assoc) + nvme_fc_error_recovery(ctrl, "transport detected io error"); } static int @@ -2791,6 +2806,7 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, ctrl->ctrl.opts = NULL; /* initiate nvme ctrl ref counting teardown */ nvme_uninit_ctrl(&ctrl->ctrl); + nvme_put_ctrl(&ctrl->ctrl); /* as we're past the point where we transition to the ref * counting teardown path, if we return a bad pointer here, diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index d52701df..40c7581 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1367,7 +1367,7 @@ static bool nvme_should_reset(struct nvme_dev *dev, u32 csts) bool nssro = dev->subsystem && (csts & NVME_CSTS_NSSRO); /* If there is a reset ongoing, we shouldn't reset again. */ - if (work_busy(&dev->reset_work)) + if (dev->ctrl.state == NVME_CTRL_RESETTING) return false; /* We shouldn't reset unless the controller is on fatal error state @@ -1805,7 +1805,8 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown) if (pci_is_enabled(pdev)) { u32 csts = readl(dev->bar + NVME_REG_CSTS); - if (dev->ctrl.state == NVME_CTRL_LIVE) + if (dev->ctrl.state == NVME_CTRL_LIVE || + dev->ctrl.state == NVME_CTRL_RESETTING) nvme_start_freeze(&dev->ctrl); dead = !!((csts & NVME_CSTS_CFS) || !(csts & NVME_CSTS_RDY) || pdev->error_state != pci_channel_io_normal); @@ -1903,7 +1904,7 @@ static void nvme_reset_work(struct work_struct *work) bool was_suspend = !!(dev->ctrl.ctrl_config & NVME_CC_SHN_NORMAL); int result = -ENODEV; - if (WARN_ON(dev->ctrl.state == NVME_CTRL_RESETTING)) + if (WARN_ON(dev->ctrl.state != NVME_CTRL_RESETTING)) goto out; /* @@ -1913,9 +1914,6 @@ static void nvme_reset_work(struct work_struct *work) if (dev->ctrl.ctrl_config & NVME_CC_ENABLE) nvme_dev_disable(dev, false); - if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_RESETTING)) - goto out; - result = nvme_pci_enable(dev); if (result) goto out; @@ -2009,8 +2007,8 @@ static int nvme_reset(struct nvme_dev *dev) { if (!dev->ctrl.admin_q || blk_queue_dying(dev->ctrl.admin_q)) return -ENODEV; - if (work_busy(&dev->reset_work)) - return -ENODEV; + if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_RESETTING)) + return -EBUSY; if (!queue_work(nvme_workq, &dev->reset_work)) return -EBUSY; return 0; @@ -2136,6 +2134,7 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (result) goto release_pools; + nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_RESETTING); dev_info(dev->ctrl.device, "pci function %s\n", dev_name(&pdev->dev)); queue_work(nvme_workq, &dev->reset_work); @@ -2179,6 +2178,7 @@ static void nvme_remove(struct pci_dev *pdev) nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_DELETING); + cancel_work_sync(&dev->reset_work); pci_set_drvdata(pdev, NULL); if (!pci_device_is_present(pdev)) { diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 28bd255..24397d3 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -753,28 +753,26 @@ static void nvme_rdma_reconnect_ctrl_work(struct work_struct *work) if (ret) goto requeue; - blk_mq_start_stopped_hw_queues(ctrl->ctrl.admin_q, true); - ret = nvmf_connect_admin_queue(&ctrl->ctrl); if (ret) - goto stop_admin_q; + goto requeue; set_bit(NVME_RDMA_Q_LIVE, &ctrl->queues[0].flags); ret = nvme_enable_ctrl(&ctrl->ctrl, ctrl->cap); if (ret) - goto stop_admin_q; + goto requeue; nvme_start_keep_alive(&ctrl->ctrl); if (ctrl->queue_count > 1) { ret = nvme_rdma_init_io_queues(ctrl); if (ret) - goto stop_admin_q; + goto requeue; ret = nvme_rdma_connect_io_queues(ctrl); if (ret) - goto stop_admin_q; + goto requeue; } changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE); @@ -782,7 +780,6 @@ static void nvme_rdma_reconnect_ctrl_work(struct work_struct *work) ctrl->ctrl.opts->nr_reconnects = 0; if (ctrl->queue_count > 1) { - nvme_start_queues(&ctrl->ctrl); nvme_queue_scan(&ctrl->ctrl); nvme_queue_async_events(&ctrl->ctrl); } @@ -791,8 +788,6 @@ static void nvme_rdma_reconnect_ctrl_work(struct work_struct *work) return; -stop_admin_q: - blk_mq_stop_hw_queues(ctrl->ctrl.admin_q); requeue: dev_info(ctrl->ctrl.device, "Failed reconnect attempt %d\n", ctrl->ctrl.opts->nr_reconnects); @@ -823,6 +818,13 @@ static void nvme_rdma_error_recovery_work(struct work_struct *work) blk_mq_tagset_busy_iter(&ctrl->admin_tag_set, nvme_cancel_request, &ctrl->ctrl); + /* + * queues are not a live anymore, so restart the queues to fail fast + * new IO + */ + blk_mq_start_stopped_hw_queues(ctrl->ctrl.admin_q, true); + nvme_start_queues(&ctrl->ctrl); + nvme_rdma_reconnect_or_remove(ctrl); } @@ -1433,7 +1435,7 @@ nvme_rdma_timeout(struct request *rq, bool reserved) /* * We cannot accept any other command until the Connect command has completed. */ -static inline bool nvme_rdma_queue_is_ready(struct nvme_rdma_queue *queue, +static inline int nvme_rdma_queue_is_ready(struct nvme_rdma_queue *queue, struct request *rq) { if (unlikely(!test_bit(NVME_RDMA_Q_LIVE, &queue->flags))) { @@ -1441,11 +1443,22 @@ static inline bool nvme_rdma_queue_is_ready(struct nvme_rdma_queue *queue, if (!blk_rq_is_passthrough(rq) || cmd->common.opcode != nvme_fabrics_command || - cmd->fabrics.fctype != nvme_fabrics_type_connect) - return false; + cmd->fabrics.fctype != nvme_fabrics_type_connect) { + /* + * reconnecting state means transport disruption, which + * can take a long time and even might fail permanently, + * so we can't let incoming I/O be requeued forever. + * fail it fast to allow upper layers a chance to + * failover. + */ + if (queue->ctrl->ctrl.state == NVME_CTRL_RECONNECTING) + return -EIO; + else + return -EAGAIN; + } } - return true; + return 0; } static int nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx, @@ -1463,8 +1476,9 @@ static int nvme_rdma_queue_rq(struct blk_mq_hw_ctx *hctx, WARN_ON_ONCE(rq->tag < 0); - if (!nvme_rdma_queue_is_ready(queue, rq)) - return BLK_MQ_RQ_QUEUE_BUSY; + ret = nvme_rdma_queue_is_ready(queue, rq); + if (unlikely(ret)) + goto err; dev = queue->device->dev; ib_dma_sync_single_for_cpu(dev, sqe->dma, diff --git a/drivers/of/device.c b/drivers/of/device.c index 9416d05..28c38c7 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -144,8 +144,8 @@ int of_dma_configure(struct device *dev, struct device_node *np) coherent ? " " : " not "); iommu = of_iommu_configure(dev, np); - if (IS_ERR(iommu)) - return PTR_ERR(iommu); + if (IS_ERR(iommu) && PTR_ERR(iommu) == -EPROBE_DEFER) + return -EPROBE_DEFER; dev_dbg(dev, "device is%sbehind an iommu\n", iommu ? " " : " not "); diff --git a/drivers/pci/access.c b/drivers/pci/access.c index 74cf5ff..c80e37a 100644 --- a/drivers/pci/access.c +++ b/drivers/pci/access.c @@ -896,7 +896,7 @@ int pci_read_config_byte(const struct pci_dev *dev, int where, u8 *val) { if (pci_dev_is_disconnected(dev)) { *val = ~0; - return -ENODEV; + return PCIBIOS_DEVICE_NOT_FOUND; } return pci_bus_read_config_byte(dev->bus, dev->devfn, where, val); } @@ -906,7 +906,7 @@ int pci_read_config_word(const struct pci_dev *dev, int where, u16 *val) { if (pci_dev_is_disconnected(dev)) { *val = ~0; - return -ENODEV; + return PCIBIOS_DEVICE_NOT_FOUND; } return pci_bus_read_config_word(dev->bus, dev->devfn, where, val); } @@ -917,7 +917,7 @@ int pci_read_config_dword(const struct pci_dev *dev, int where, { if (pci_dev_is_disconnected(dev)) { *val = ~0; - return -ENODEV; + return PCIBIOS_DEVICE_NOT_FOUND; } return pci_bus_read_config_dword(dev->bus, dev->devfn, where, val); } @@ -926,7 +926,7 @@ EXPORT_SYMBOL(pci_read_config_dword); int pci_write_config_byte(const struct pci_dev *dev, int where, u8 val) { if (pci_dev_is_disconnected(dev)) - return -ENODEV; + return PCIBIOS_DEVICE_NOT_FOUND; return pci_bus_write_config_byte(dev->bus, dev->devfn, where, val); } EXPORT_SYMBOL(pci_write_config_byte); @@ -934,7 +934,7 @@ EXPORT_SYMBOL(pci_write_config_byte); int pci_write_config_word(const struct pci_dev *dev, int where, u16 val) { if (pci_dev_is_disconnected(dev)) - return -ENODEV; + return PCIBIOS_DEVICE_NOT_FOUND; return pci_bus_write_config_word(dev->bus, dev->devfn, where, val); } EXPORT_SYMBOL(pci_write_config_word); @@ -943,7 +943,7 @@ int pci_write_config_dword(const struct pci_dev *dev, int where, u32 val) { if (pci_dev_is_disconnected(dev)) - return -ENODEV; + return PCIBIOS_DEVICE_NOT_FOUND; return pci_bus_write_config_dword(dev->bus, dev->devfn, where, val); } EXPORT_SYMBOL(pci_write_config_dword); diff --git a/drivers/pci/endpoint/functions/Kconfig b/drivers/pci/endpoint/functions/Kconfig index 175edad..2942066 100644 --- a/drivers/pci/endpoint/functions/Kconfig +++ b/drivers/pci/endpoint/functions/Kconfig @@ -5,6 +5,7 @@ config PCI_EPF_TEST tristate "PCI Endpoint Test driver" depends on PCI_ENDPOINT + select CRC32 help Enable this configuration option to enable the test driver for PCI Endpoint. diff --git a/drivers/perf/arm_pmu_acpi.c b/drivers/perf/arm_pmu_acpi.c index 34c862f..0a9b787 100644 --- a/drivers/perf/arm_pmu_acpi.c +++ b/drivers/perf/arm_pmu_acpi.c @@ -29,6 +29,17 @@ static int arm_pmu_acpi_register_irq(int cpu) return -EINVAL; gsi = gicc->performance_interrupt; + + /* + * Per the ACPI spec, the MADT cannot describe a PMU that doesn't + * have an interrupt. QEMU advertises this by using a GSI of zero, + * which is not known to be valid on any hardware despite being + * valid per the spec. Take the pragmatic approach and reject a + * GSI of zero for now. + */ + if (!gsi) + return 0; + if (gicc->flags & ACPI_MADT_PERFORMANCE_IRQ_MODE) trigger = ACPI_EDGE_SENSITIVE; else diff --git a/drivers/phy/phy-qcom-qmp.c b/drivers/phy/phy-qcom-qmp.c index 727e23b..78ca628 100644 --- a/drivers/phy/phy-qcom-qmp.c +++ b/drivers/phy/phy-qcom-qmp.c @@ -844,7 +844,7 @@ static int qcom_qmp_phy_vreg_init(struct device *dev) int num = qmp->cfg->num_vregs; int i; - qmp->vregs = devm_kcalloc(dev, num, sizeof(qmp->vregs), GFP_KERNEL); + qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL); if (!qmp->vregs) return -ENOMEM; @@ -983,16 +983,16 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id) * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2. */ qphy->tx = of_iomap(np, 0); - if (IS_ERR(qphy->tx)) - return PTR_ERR(qphy->tx); + if (!qphy->tx) + return -ENOMEM; qphy->rx = of_iomap(np, 1); - if (IS_ERR(qphy->rx)) - return PTR_ERR(qphy->rx); + if (!qphy->rx) + return -ENOMEM; qphy->pcs = of_iomap(np, 2); - if (IS_ERR(qphy->pcs)) - return PTR_ERR(qphy->pcs); + if (!qphy->pcs) + return -ENOMEM; /* * Get PHY's Pipe clock, if any. USB3 and PCIe are PIPE3 diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 1653cbd..bd459a9 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -680,30 +680,16 @@ EXPORT_SYMBOL_GPL(pinctrl_generic_remove_group); * pinctrl_generic_free_groups() - removes all pin groups * @pctldev: pin controller device * - * Note that the caller must take care of locking. + * Note that the caller must take care of locking. The pinctrl groups + * are allocated with devm_kzalloc() so no need to free them here. */ static void pinctrl_generic_free_groups(struct pinctrl_dev *pctldev) { struct radix_tree_iter iter; - struct group_desc *group; - unsigned long *indices; void **slot; - int i = 0; - - indices = devm_kzalloc(pctldev->dev, sizeof(*indices) * - pctldev->num_groups, GFP_KERNEL); - if (!indices) - return; radix_tree_for_each_slot(slot, &pctldev->pin_group_tree, &iter, 0) - indices[i++] = iter.index; - - for (i = 0; i < pctldev->num_groups; i++) { - group = radix_tree_lookup(&pctldev->pin_group_tree, - indices[i]); - radix_tree_delete(&pctldev->pin_group_tree, indices[i]); - devm_kfree(pctldev->dev, group); - } + radix_tree_delete(&pctldev->pin_group_tree, iter.index); pctldev->num_groups = 0; } diff --git a/drivers/pinctrl/freescale/pinctrl-mxs.c b/drivers/pinctrl/freescale/pinctrl-mxs.c index 41b5b07..6852010 100644 --- a/drivers/pinctrl/freescale/pinctrl-mxs.c +++ b/drivers/pinctrl/freescale/pinctrl-mxs.c @@ -194,6 +194,16 @@ static int mxs_pinctrl_get_func_groups(struct pinctrl_dev *pctldev, return 0; } +static void mxs_pinctrl_rmwl(u32 value, u32 mask, u8 shift, void __iomem *reg) +{ + u32 tmp; + + tmp = readl(reg); + tmp &= ~(mask << shift); + tmp |= value << shift; + writel(tmp, reg); +} + static int mxs_pinctrl_set_mux(struct pinctrl_dev *pctldev, unsigned selector, unsigned group) { @@ -211,8 +221,7 @@ static int mxs_pinctrl_set_mux(struct pinctrl_dev *pctldev, unsigned selector, reg += bank * 0x20 + pin / 16 * 0x10; shift = pin % 16 * 2; - writel(0x3 << shift, reg + CLR); - writel(g->muxsel[i] << shift, reg + SET); + mxs_pinctrl_rmwl(g->muxsel[i], 0x3, shift, reg); } return 0; @@ -279,8 +288,7 @@ static int mxs_pinconf_group_set(struct pinctrl_dev *pctldev, /* mA */ if (config & MA_PRESENT) { shift = pin % 8 * 4; - writel(0x3 << shift, reg + CLR); - writel(ma << shift, reg + SET); + mxs_pinctrl_rmwl(ma, 0x3, shift, reg); } /* vol */ diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 2debba6..20f1b44 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -1539,15 +1539,29 @@ static void chv_gpio_irq_handler(struct irq_desc *desc) * is not listed below. */ static const struct dmi_system_id chv_no_valid_mask[] = { + /* See https://bugzilla.kernel.org/show_bug.cgi?id=194945 */ { - /* See https://bugzilla.kernel.org/show_bug.cgi?id=194945 */ - .ident = "Acer Chromebook (CYAN)", + .ident = "Intel_Strago based Chromebooks (All models)", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), - DMI_MATCH(DMI_PRODUCT_NAME, "Edgar"), - DMI_MATCH(DMI_BIOS_DATE, "05/21/2016"), + DMI_MATCH(DMI_PRODUCT_FAMILY, "Intel_Strago"), }, - } + }, + { + .ident = "Acer Chromebook R11 (Cyan)", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), + DMI_MATCH(DMI_PRODUCT_NAME, "Cyan"), + }, + }, + { + .ident = "Samsung Chromebook 3 (Celes)", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), + DMI_MATCH(DMI_PRODUCT_NAME, "Celes"), + }, + }, + {} }; static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq) diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c index 0d6b7f4..720a19f 100644 --- a/drivers/pinctrl/pinconf-generic.c +++ b/drivers/pinctrl/pinconf-generic.c @@ -35,7 +35,6 @@ static const struct pin_config_item conf_items[] = { PCONFDUMP(PIN_CONFIG_BIAS_PULL_PIN_DEFAULT, "input bias pull to pin specific state", NULL, false), PCONFDUMP(PIN_CONFIG_BIAS_PULL_UP, "input bias pull up", NULL, false), - PCONFDUMP(PIN_CONFIG_BIDIRECTIONAL, "bi-directional pin operations", NULL, false), PCONFDUMP(PIN_CONFIG_DRIVE_OPEN_DRAIN, "output drive open drain", NULL, false), PCONFDUMP(PIN_CONFIG_DRIVE_OPEN_SOURCE, "output drive open source", NULL, false), PCONFDUMP(PIN_CONFIG_DRIVE_PUSH_PULL, "output drive push pull", NULL, false), @@ -161,7 +160,6 @@ static const struct pinconf_generic_params dt_params[] = { { "bias-pull-up", PIN_CONFIG_BIAS_PULL_UP, 1 }, { "bias-pull-pin-default", PIN_CONFIG_BIAS_PULL_PIN_DEFAULT, 1 }, { "bias-pull-down", PIN_CONFIG_BIAS_PULL_DOWN, 1 }, - { "bi-directional", PIN_CONFIG_BIDIRECTIONAL, 1 }, { "drive-open-drain", PIN_CONFIG_DRIVE_OPEN_DRAIN, 0 }, { "drive-open-source", PIN_CONFIG_DRIVE_OPEN_SOURCE, 0 }, { "drive-push-pull", PIN_CONFIG_DRIVE_PUSH_PULL, 0 }, @@ -174,7 +172,6 @@ static const struct pinconf_generic_params dt_params[] = { { "input-schmitt-enable", PIN_CONFIG_INPUT_SCHMITT_ENABLE, 1 }, { "low-power-disable", PIN_CONFIG_LOW_POWER_MODE, 0 }, { "low-power-enable", PIN_CONFIG_LOW_POWER_MODE, 1 }, - { "output-enable", PIN_CONFIG_OUTPUT, 1, }, { "output-high", PIN_CONFIG_OUTPUT, 1, }, { "output-low", PIN_CONFIG_OUTPUT, 0, }, { "power-source", PIN_CONFIG_POWER_SOURCE, 0 }, diff --git a/drivers/pinctrl/pinctrl-amd.c b/drivers/pinctrl/pinctrl-amd.c index 1482d13..e432ec8 100644 --- a/drivers/pinctrl/pinctrl-amd.c +++ b/drivers/pinctrl/pinctrl-amd.c @@ -495,64 +495,54 @@ static struct irq_chip amd_gpio_irqchip = { .flags = IRQCHIP_SKIP_SET_WAKE, }; -static void amd_gpio_irq_handler(struct irq_desc *desc) +#define PIN_IRQ_PENDING (BIT(INTERRUPT_STS_OFF) | BIT(WAKE_STS_OFF)) + +static irqreturn_t amd_gpio_irq_handler(int irq, void *dev_id) { - u32 i; - u32 off; - u32 reg; - u32 pin_reg; - u64 reg64; - int handled = 0; - unsigned int irq; + struct amd_gpio *gpio_dev = dev_id; + struct gpio_chip *gc = &gpio_dev->gc; + irqreturn_t ret = IRQ_NONE; + unsigned int i, irqnr; unsigned long flags; - struct irq_chip *chip = irq_desc_get_chip(desc); - struct gpio_chip *gc = irq_desc_get_handler_data(desc); - struct amd_gpio *gpio_dev = gpiochip_get_data(gc); + u32 *regs, regval; + u64 status, mask; - chained_irq_enter(chip, desc); - /*enable GPIO interrupt again*/ + /* Read the wake status */ raw_spin_lock_irqsave(&gpio_dev->lock, flags); - reg = readl(gpio_dev->base + WAKE_INT_STATUS_REG1); - reg64 = reg; - reg64 = reg64 << 32; - - reg = readl(gpio_dev->base + WAKE_INT_STATUS_REG0); - reg64 |= reg; + status = readl(gpio_dev->base + WAKE_INT_STATUS_REG1); + status <<= 32; + status |= readl(gpio_dev->base + WAKE_INT_STATUS_REG0); raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); - /* - * first 46 bits indicates interrupt status. - * one bit represents four interrupt sources. - */ - for (off = 0; off < 46 ; off++) { - if (reg64 & BIT(off)) { - for (i = 0; i < 4; i++) { - pin_reg = readl(gpio_dev->base + - (off * 4 + i) * 4); - if ((pin_reg & BIT(INTERRUPT_STS_OFF)) || - (pin_reg & BIT(WAKE_STS_OFF))) { - irq = irq_find_mapping(gc->irqdomain, - off * 4 + i); - generic_handle_irq(irq); - writel(pin_reg, - gpio_dev->base - + (off * 4 + i) * 4); - handled++; - } - } + /* Bit 0-45 contain the relevant status bits */ + status &= (1ULL << 46) - 1; + regs = gpio_dev->base; + for (mask = 1, irqnr = 0; status; mask <<= 1, regs += 4, irqnr += 4) { + if (!(status & mask)) + continue; + status &= ~mask; + + /* Each status bit covers four pins */ + for (i = 0; i < 4; i++) { + regval = readl(regs + i); + if (!(regval & PIN_IRQ_PENDING)) + continue; + irq = irq_find_mapping(gc->irqdomain, irqnr + i); + generic_handle_irq(irq); + /* Clear interrupt */ + writel(regval, regs + i); + ret = IRQ_HANDLED; } } - if (handled == 0) - handle_bad_irq(desc); - + /* Signal EOI to the GPIO unit */ raw_spin_lock_irqsave(&gpio_dev->lock, flags); - reg = readl(gpio_dev->base + WAKE_INT_MASTER_REG); - reg |= EOI_MASK; - writel(reg, gpio_dev->base + WAKE_INT_MASTER_REG); + regval = readl(gpio_dev->base + WAKE_INT_MASTER_REG); + regval |= EOI_MASK; + writel(regval, gpio_dev->base + WAKE_INT_MASTER_REG); raw_spin_unlock_irqrestore(&gpio_dev->lock, flags); - chained_irq_exit(chip, desc); + return ret; } static int amd_get_groups_count(struct pinctrl_dev *pctldev) @@ -821,10 +811,11 @@ static int amd_gpio_probe(struct platform_device *pdev) goto out2; } - gpiochip_set_chained_irqchip(&gpio_dev->gc, - &amd_gpio_irqchip, - irq_base, - amd_gpio_irq_handler); + ret = devm_request_irq(&pdev->dev, irq_base, amd_gpio_irq_handler, 0, + KBUILD_MODNAME, gpio_dev); + if (ret) + goto out2; + platform_set_drvdata(pdev, gpio_dev); dev_dbg(&pdev->dev, "amd gpio driver loaded\n"); diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c index f141aa0..9dd981d 100644 --- a/drivers/pinctrl/pinctrl-rockchip.c +++ b/drivers/pinctrl/pinctrl-rockchip.c @@ -143,9 +143,6 @@ struct rockchip_drv { * @gpio_chip: gpiolib chip * @grange: gpio range * @slock: spinlock for the gpio bank - * @irq_lock: bus lock for irq chip - * @new_irqs: newly configured irqs which must be muxed as GPIOs in - * irq_bus_sync_unlock() */ struct rockchip_pin_bank { void __iomem *reg_base; @@ -168,8 +165,6 @@ struct rockchip_pin_bank { struct pinctrl_gpio_range grange; raw_spinlock_t slock; u32 toggle_edge_mode; - struct mutex irq_lock; - u32 new_irqs; }; #define PIN_BANK(id, pins, label) \ @@ -2134,12 +2129,11 @@ static int rockchip_irq_set_type(struct irq_data *d, unsigned int type) int ret; /* make sure the pin is configured as gpio input */ - ret = rockchip_verify_mux(bank, d->hwirq, RK_FUNC_GPIO); + ret = rockchip_set_mux(bank, d->hwirq, RK_FUNC_GPIO); if (ret < 0) return ret; - bank->new_irqs |= mask; - + clk_enable(bank->clk); raw_spin_lock_irqsave(&bank->slock, flags); data = readl_relaxed(bank->reg_base + GPIO_SWPORT_DDR); @@ -2197,6 +2191,7 @@ static int rockchip_irq_set_type(struct irq_data *d, unsigned int type) default: irq_gc_unlock(gc); raw_spin_unlock_irqrestore(&bank->slock, flags); + clk_disable(bank->clk); return -EINVAL; } @@ -2205,6 +2200,7 @@ static int rockchip_irq_set_type(struct irq_data *d, unsigned int type) irq_gc_unlock(gc); raw_spin_unlock_irqrestore(&bank->slock, flags); + clk_disable(bank->clk); return 0; } @@ -2248,34 +2244,6 @@ static void rockchip_irq_disable(struct irq_data *d) clk_disable(bank->clk); } -static void rockchip_irq_bus_lock(struct irq_data *d) -{ - struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); - struct rockchip_pin_bank *bank = gc->private; - - clk_enable(bank->clk); - mutex_lock(&bank->irq_lock); -} - -static void rockchip_irq_bus_sync_unlock(struct irq_data *d) -{ - struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); - struct rockchip_pin_bank *bank = gc->private; - - while (bank->new_irqs) { - unsigned int irq = __ffs(bank->new_irqs); - int ret; - - ret = rockchip_set_mux(bank, irq, RK_FUNC_GPIO); - WARN_ON(ret < 0); - - bank->new_irqs &= ~BIT(irq); - } - - mutex_unlock(&bank->irq_lock); - clk_disable(bank->clk); -} - static int rockchip_interrupts_register(struct platform_device *pdev, struct rockchip_pinctrl *info) { @@ -2342,9 +2310,6 @@ static int rockchip_interrupts_register(struct platform_device *pdev, gc->chip_types[0].chip.irq_suspend = rockchip_irq_suspend; gc->chip_types[0].chip.irq_resume = rockchip_irq_resume; gc->chip_types[0].chip.irq_set_type = rockchip_irq_set_type; - gc->chip_types[0].chip.irq_bus_lock = rockchip_irq_bus_lock; - gc->chip_types[0].chip.irq_bus_sync_unlock = - rockchip_irq_bus_sync_unlock; gc->wake_enabled = IRQ_MSK(bank->nr_pins); irq_set_chained_handler_and_data(bank->irq, @@ -2518,7 +2483,6 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data( int bank_pins = 0; raw_spin_lock_init(&bank->slock); - mutex_init(&bank->irq_lock); bank->drvdata = d; bank->pin_base = ctrl->nr_pins; ctrl->nr_pins += bank->nr_pins; diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c index 9fd6d90..16b3ae5 100644 --- a/drivers/pinctrl/pinmux.c +++ b/drivers/pinctrl/pinmux.c @@ -826,30 +826,17 @@ EXPORT_SYMBOL_GPL(pinmux_generic_remove_function); * pinmux_generic_free_functions() - removes all functions * @pctldev: pin controller device * - * Note that the caller must take care of locking. + * Note that the caller must take care of locking. The pinctrl + * functions are allocated with devm_kzalloc() so no need to free + * them here. */ void pinmux_generic_free_functions(struct pinctrl_dev *pctldev) { struct radix_tree_iter iter; - struct function_desc *function; - unsigned long *indices; void **slot; - int i = 0; - - indices = devm_kzalloc(pctldev->dev, sizeof(*indices) * - pctldev->num_functions, GFP_KERNEL); - if (!indices) - return; radix_tree_for_each_slot(slot, &pctldev->pin_function_tree, &iter, 0) - indices[i++] = iter.index; - - for (i = 0; i < pctldev->num_functions; i++) { - function = radix_tree_lookup(&pctldev->pin_function_tree, - indices[i]); - radix_tree_delete(&pctldev->pin_function_tree, indices[i]); - devm_kfree(pctldev->dev, function); - } + radix_tree_delete(&pctldev->pin_function_tree, iter.index); pctldev->num_functions = 0; } diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index d3c5f5d..222b668 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -798,7 +798,7 @@ static int stm32_pconf_parse_conf(struct pinctrl_dev *pctldev, break; case PIN_CONFIG_OUTPUT: __stm32_gpio_set(bank, offset, arg); - ret = stm32_pmx_gpio_set_direction(pctldev, NULL, pin, false); + ret = stm32_pmx_gpio_set_direction(pctldev, range, pin, false); break; default: ret = -EINVAL; diff --git a/drivers/pinctrl/sunxi/pinctrl-sun8i-a83t.c b/drivers/pinctrl/sunxi/pinctrl-sun8i-a83t.c index 9aec1d2..6624499 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sun8i-a83t.c +++ b/drivers/pinctrl/sunxi/pinctrl-sun8i-a83t.c @@ -394,7 +394,7 @@ static const struct sunxi_desc_pin sun8i_a83t_pins[] = { SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 18), SUNXI_FUNCTION(0x0, "gpio_in"), SUNXI_FUNCTION(0x1, "gpio_out"), - SUNXI_FUNCTION(0x3, "owa")), /* DOUT */ + SUNXI_FUNCTION(0x3, "spdif")), /* DOUT */ SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 19), SUNXI_FUNCTION(0x0, "gpio_in"), SUNXI_FUNCTION(0x1, "gpio_out")), diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c index 2de1e60..5f36721 100644 --- a/drivers/platform/goldfish/goldfish_pipe.c +++ b/drivers/platform/goldfish/goldfish_pipe.c @@ -704,7 +704,7 @@ static int get_free_pipe_id_locked(struct goldfish_pipe_dev *dev) /* Reallocate the array */ u32 new_capacity = 2 * dev->pipes_capacity; struct goldfish_pipe **pipes = - kcalloc(new_capacity, sizeof(*pipes), GFP_KERNEL); + kcalloc(new_capacity, sizeof(*pipes), GFP_ATOMIC); if (!pipes) return -ENOMEM; memcpy(pipes, dev->pipes, sizeof(*pipes) * dev->pipes_capacity); diff --git a/drivers/platform/x86/intel_telemetry_debugfs.c b/drivers/platform/x86/intel_telemetry_debugfs.c index ef29f18..4cc2f4e 100644 --- a/drivers/platform/x86/intel_telemetry_debugfs.c +++ b/drivers/platform/x86/intel_telemetry_debugfs.c @@ -97,11 +97,9 @@ } \ } -#ifdef CONFIG_PM_SLEEP static u8 suspend_prep_ok; static u32 suspend_shlw_ctr_temp, suspend_deep_ctr_temp; static u64 suspend_shlw_res_temp, suspend_deep_res_temp; -#endif struct telemetry_susp_stats { u32 shlw_swake_ctr; @@ -807,7 +805,6 @@ static const struct file_operations telem_ioss_trc_verb_ops = { .release = single_release, }; -#ifdef CONFIG_PM_SLEEP static int pm_suspend_prep_cb(void) { struct telemetry_evtlog evtlog[TELEM_MAX_OS_ALLOCATED_EVENTS]; @@ -937,7 +934,6 @@ static int pm_notification(struct notifier_block *this, static struct notifier_block pm_notifier = { .notifier_call = pm_notification, }; -#endif /* CONFIG_PM_SLEEP */ static int __init telemetry_debugfs_init(void) { @@ -960,14 +956,13 @@ static int __init telemetry_debugfs_init(void) if (err < 0) return -EINVAL; - -#ifdef CONFIG_PM_SLEEP register_pm_notifier(&pm_notifier); -#endif /* CONFIG_PM_SLEEP */ debugfs_conf->telemetry_dbg_dir = debugfs_create_dir("telemetry", NULL); - if (!debugfs_conf->telemetry_dbg_dir) - return -ENOMEM; + if (!debugfs_conf->telemetry_dbg_dir) { + err = -ENOMEM; + goto out_pm; + } f = debugfs_create_file("pss_info", S_IFREG | S_IRUGO, debugfs_conf->telemetry_dbg_dir, NULL, @@ -1014,6 +1009,8 @@ static int __init telemetry_debugfs_init(void) out: debugfs_remove_recursive(debugfs_conf->telemetry_dbg_dir); debugfs_conf->telemetry_dbg_dir = NULL; +out_pm: + unregister_pm_notifier(&pm_notifier); return err; } @@ -1022,6 +1019,7 @@ static void __exit telemetry_debugfs_exit(void) { debugfs_remove_recursive(debugfs_conf->telemetry_dbg_dir); debugfs_conf->telemetry_dbg_dir = NULL; + unregister_pm_notifier(&pm_notifier); } late_initcall(telemetry_debugfs_init); diff --git a/drivers/reset/hisilicon/hi6220_reset.c b/drivers/reset/hisilicon/hi6220_reset.c index 35ce53e..d5e5229 100644 --- a/drivers/reset/hisilicon/hi6220_reset.c +++ b/drivers/reset/hisilicon/hi6220_reset.c @@ -155,3 +155,5 @@ static int __init hi6220_reset_init(void) } postcore_initcall(hi6220_reset_init); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/s390/cio/vfio_ccw_ops.c b/drivers/s390/cio/vfio_ccw_ops.c index e72abbc..a66a317 100644 --- a/drivers/s390/cio/vfio_ccw_ops.c +++ b/drivers/s390/cio/vfio_ccw_ops.c @@ -70,14 +70,14 @@ static ssize_t name_show(struct kobject *kobj, struct device *dev, char *buf) { return sprintf(buf, "I/O subchannel (Non-QDIO)\n"); } -MDEV_TYPE_ATTR_RO(name); +static MDEV_TYPE_ATTR_RO(name); static ssize_t device_api_show(struct kobject *kobj, struct device *dev, char *buf) { return sprintf(buf, "%s\n", VFIO_DEVICE_API_CCW_STRING); } -MDEV_TYPE_ATTR_RO(device_api); +static MDEV_TYPE_ATTR_RO(device_api); static ssize_t available_instances_show(struct kobject *kobj, struct device *dev, char *buf) @@ -86,7 +86,7 @@ static ssize_t available_instances_show(struct kobject *kobj, return sprintf(buf, "%d\n", atomic_read(&private->avail)); } -MDEV_TYPE_ATTR_RO(available_instances); +static MDEV_TYPE_ATTR_RO(available_instances); static struct attribute *mdev_types_attrs[] = { &mdev_type_attr_name.attr, @@ -100,7 +100,7 @@ static struct attribute_group mdev_type_group = { .attrs = mdev_types_attrs, }; -struct attribute_group *mdev_type_groups[] = { +static struct attribute_group *mdev_type_groups[] = { &mdev_type_group, NULL, }; @@ -152,7 +152,7 @@ static int vfio_ccw_mdev_open(struct mdev_device *mdev) &events, &private->nb); } -void vfio_ccw_mdev_release(struct mdev_device *mdev) +static void vfio_ccw_mdev_release(struct mdev_device *mdev) { struct vfio_ccw_private *private = dev_get_drvdata(mdev_parent_dev(mdev)); @@ -233,7 +233,7 @@ static int vfio_ccw_mdev_get_region_info(struct vfio_region_info *info, } } -int vfio_ccw_mdev_get_irq_info(struct vfio_irq_info *info) +static int vfio_ccw_mdev_get_irq_info(struct vfio_irq_info *info) { if (info->index != VFIO_CCW_IO_IRQ_INDEX) return -EINVAL; diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c index 9be4596..ea09991 100644 --- a/drivers/s390/crypto/ap_bus.c +++ b/drivers/s390/crypto/ap_bus.c @@ -668,10 +668,28 @@ static int ap_device_probe(struct device *dev) struct ap_driver *ap_drv = to_ap_drv(dev->driver); int rc; + /* Add queue/card to list of active queues/cards */ + spin_lock_bh(&ap_list_lock); + if (is_card_dev(dev)) + list_add(&to_ap_card(dev)->list, &ap_card_list); + else + list_add(&to_ap_queue(dev)->list, + &to_ap_queue(dev)->card->queues); + spin_unlock_bh(&ap_list_lock); + ap_dev->drv = ap_drv; rc = ap_drv->probe ? ap_drv->probe(ap_dev) : -ENODEV; - if (rc) + + if (rc) { + spin_lock_bh(&ap_list_lock); + if (is_card_dev(dev)) + list_del_init(&to_ap_card(dev)->list); + else + list_del_init(&to_ap_queue(dev)->list); + spin_unlock_bh(&ap_list_lock); ap_dev->drv = NULL; + } + return rc; } @@ -680,14 +698,17 @@ static int ap_device_remove(struct device *dev) struct ap_device *ap_dev = to_ap_dev(dev); struct ap_driver *ap_drv = ap_dev->drv; + if (ap_drv->remove) + ap_drv->remove(ap_dev); + + /* Remove queue/card from list of active queues/cards */ spin_lock_bh(&ap_list_lock); if (is_card_dev(dev)) list_del_init(&to_ap_card(dev)->list); else list_del_init(&to_ap_queue(dev)->list); spin_unlock_bh(&ap_list_lock); - if (ap_drv->remove) - ap_drv->remove(ap_dev); + return 0; } @@ -1056,10 +1077,6 @@ static void ap_scan_bus(struct work_struct *unused) } /* get it and thus adjust reference counter */ get_device(&ac->ap_dev.device); - /* Add card device to card list */ - spin_lock_bh(&ap_list_lock); - list_add(&ac->list, &ap_card_list); - spin_unlock_bh(&ap_list_lock); } /* now create the new queue device */ aq = ap_queue_create(qid, type); @@ -1070,10 +1087,6 @@ static void ap_scan_bus(struct work_struct *unused) aq->ap_dev.device.parent = &ac->ap_dev.device; dev_set_name(&aq->ap_dev.device, "%02x.%04x", id, dom); - /* Add queue device to card queue list */ - spin_lock_bh(&ap_list_lock); - list_add(&aq->list, &ac->queues); - spin_unlock_bh(&ap_list_lock); /* Start with a device reset */ spin_lock_bh(&aq->lock); ap_wait(ap_sm_event(aq, AP_EVENT_POLL)); @@ -1081,9 +1094,6 @@ static void ap_scan_bus(struct work_struct *unused) /* Register device */ rc = device_register(&aq->ap_dev.device); if (rc) { - spin_lock_bh(&ap_list_lock); - list_del_init(&aq->list); - spin_unlock_bh(&ap_list_lock); put_device(&aq->ap_dev.device); continue; } diff --git a/drivers/s390/crypto/ap_card.c b/drivers/s390/crypto/ap_card.c index cfa161c..836efac9 100644 --- a/drivers/s390/crypto/ap_card.c +++ b/drivers/s390/crypto/ap_card.c @@ -160,7 +160,14 @@ static struct device_type ap_card_type = { static void ap_card_device_release(struct device *dev) { - kfree(to_ap_card(dev)); + struct ap_card *ac = to_ap_card(dev); + + if (!list_empty(&ac->list)) { + spin_lock_bh(&ap_list_lock); + list_del_init(&ac->list); + spin_unlock_bh(&ap_list_lock); + } + kfree(ac); } struct ap_card *ap_card_create(int id, int queue_depth, int device_type, diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c index 480c58a..0f1a5d0 100644 --- a/drivers/s390/crypto/ap_queue.c +++ b/drivers/s390/crypto/ap_queue.c @@ -584,7 +584,14 @@ static struct device_type ap_queue_type = { static void ap_queue_device_release(struct device *dev) { - kfree(to_ap_queue(dev)); + struct ap_queue *aq = to_ap_queue(dev); + + if (!list_empty(&aq->list)) { + spin_lock_bh(&ap_list_lock); + list_del_init(&aq->list); + spin_unlock_bh(&ap_list_lock); + } + kfree(aq); } struct ap_queue *ap_queue_create(ap_qid_t qid, int device_type) diff --git a/drivers/s390/net/netiucv.c b/drivers/s390/net/netiucv.c index dba94b4..fa732bd 100644 --- a/drivers/s390/net/netiucv.c +++ b/drivers/s390/net/netiucv.c @@ -1954,7 +1954,6 @@ static void netiucv_free_netdevice(struct net_device *dev) privptr->conn = NULL; privptr->fsm = NULL; /* privptr gets freed by free_netdev() */ } - free_netdev(dev); } /** @@ -1972,7 +1971,8 @@ static void netiucv_setup_netdevice(struct net_device *dev) dev->mtu = NETIUCV_MTU_DEFAULT; dev->min_mtu = 576; dev->max_mtu = NETIUCV_MTU_MAX; - dev->destructor = netiucv_free_netdevice; + dev->needs_free_netdev = true; + dev->priv_destructor = netiucv_free_netdevice; dev->hard_header_len = NETIUCV_HDRLEN; dev->addr_len = 0; dev->type = ARPHRD_SLIP; diff --git a/drivers/scsi/bnx2fc/bnx2fc.h b/drivers/scsi/bnx2fc/bnx2fc.h index 4fc8ed5..1f424e4 100644 --- a/drivers/scsi/bnx2fc/bnx2fc.h +++ b/drivers/scsi/bnx2fc/bnx2fc.h @@ -191,6 +191,7 @@ struct bnx2fc_hba { struct bnx2fc_cmd_mgr *cmd_mgr; spinlock_t hba_lock; struct mutex hba_mutex; + struct mutex hba_stats_mutex; unsigned long adapter_state; #define ADAPTER_STATE_UP 0 #define ADAPTER_STATE_GOING_DOWN 1 diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index 93b5a00..902722d 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -663,15 +663,17 @@ static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost) if (!fw_stats) return NULL; + mutex_lock(&hba->hba_stats_mutex); + bnx2fc_stats = fc_get_host_stats(shost); init_completion(&hba->stat_req_done); if (bnx2fc_send_stat_req(hba)) - return bnx2fc_stats; + goto unlock_stats_mutex; rc = wait_for_completion_timeout(&hba->stat_req_done, (2 * HZ)); if (!rc) { BNX2FC_HBA_DBG(lport, "FW stat req timed out\n"); - return bnx2fc_stats; + goto unlock_stats_mutex; } BNX2FC_STATS(hba, rx_stat2, fc_crc_cnt); bnx2fc_stats->invalid_crc_count += hba->bfw_stats.fc_crc_cnt; @@ -693,6 +695,9 @@ static struct fc_host_statistics *bnx2fc_get_host_stats(struct Scsi_Host *shost) memcpy(&hba->prev_stats, hba->stats_buffer, sizeof(struct fcoe_statistics_params)); + +unlock_stats_mutex: + mutex_unlock(&hba->hba_stats_mutex); return bnx2fc_stats; } @@ -1340,6 +1345,7 @@ static struct bnx2fc_hba *bnx2fc_hba_create(struct cnic_dev *cnic) } spin_lock_init(&hba->hba_lock); mutex_init(&hba->hba_mutex); + mutex_init(&hba->hba_stats_mutex); hba->cnic = cnic; diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index 1076c15..0aae094 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -1595,7 +1595,6 @@ static void release_offload_resources(struct cxgbi_sock *csk) cxgbi_sock_put(csk); } csk->dst = NULL; - csk->cdev = NULL; } static int init_act_open(struct cxgbi_sock *csk) diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index bd7d39e..e4c83b7 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -867,7 +867,8 @@ static void need_active_close(struct cxgbi_sock *csk) log_debug(1 << CXGBI_DBG_SOCK, "csk 0x%p,%u,0x%lx,%u.\n", csk, (csk)->state, (csk)->flags, (csk)->tid); spin_lock_bh(&csk->lock); - dst_confirm(csk->dst); + if (csk->dst) + dst_confirm(csk->dst); data_lost = skb_queue_len(&csk->receive_queue); __skb_queue_purge(&csk->receive_queue); @@ -882,7 +883,8 @@ static void need_active_close(struct cxgbi_sock *csk) } if (close_req) { - if (data_lost) + if (!cxgbi_sock_flag(csk, CTPF_LOGOUT_RSP_RCVD) || + data_lost) csk->cdev->csk_send_abort_req(csk); else csk->cdev->csk_send_close_req(csk); @@ -1186,9 +1188,10 @@ static int cxgbi_sock_send_pdus(struct cxgbi_sock *csk, struct sk_buff *skb) cxgbi_ulp_extra_len(cxgbi_skcb_ulp_mode(skb)); skb = next; } -done: + if (likely(skb_queue_len(&csk->write_queue))) cdev->csk_push_tx_frames(csk, 1); +done: spin_unlock_bh(&csk->lock); return copied; @@ -1568,9 +1571,12 @@ static inline int read_pdu_skb(struct iscsi_conn *conn, } } -static int skb_read_pdu_bhs(struct iscsi_conn *conn, struct sk_buff *skb) +static int +skb_read_pdu_bhs(struct cxgbi_sock *csk, struct iscsi_conn *conn, + struct sk_buff *skb) { struct iscsi_tcp_conn *tcp_conn = conn->dd_data; + int err; log_debug(1 << CXGBI_DBG_PDU_RX, "conn 0x%p, skb 0x%p, len %u, flag 0x%lx.\n", @@ -1608,7 +1614,16 @@ static int skb_read_pdu_bhs(struct iscsi_conn *conn, struct sk_buff *skb) } } - return read_pdu_skb(conn, skb, 0, 0); + err = read_pdu_skb(conn, skb, 0, 0); + if (likely(err >= 0)) { + struct iscsi_hdr *hdr = (struct iscsi_hdr *)skb->data; + u8 opcode = hdr->opcode & ISCSI_OPCODE_MASK; + + if (unlikely(opcode == ISCSI_OP_LOGOUT_RSP)) + cxgbi_sock_set_flag(csk, CTPF_LOGOUT_RSP_RCVD); + } + + return err; } static int skb_read_pdu_data(struct iscsi_conn *conn, struct sk_buff *lskb, @@ -1713,7 +1728,7 @@ void cxgbi_conn_pdu_ready(struct cxgbi_sock *csk) cxgbi_skcb_rx_pdulen(skb)); if (cxgbi_skcb_test_flag(skb, SKCBF_RX_COALESCED)) { - err = skb_read_pdu_bhs(conn, skb); + err = skb_read_pdu_bhs(csk, conn, skb); if (err < 0) { pr_err("coalesced bhs, csk 0x%p, skb 0x%p,%u, " "f 0x%lx, plen %u.\n", @@ -1731,7 +1746,7 @@ void cxgbi_conn_pdu_ready(struct cxgbi_sock *csk) cxgbi_skcb_flags(skb), cxgbi_skcb_rx_pdulen(skb)); } else { - err = skb_read_pdu_bhs(conn, skb); + err = skb_read_pdu_bhs(csk, conn, skb); if (err < 0) { pr_err("bhs, csk 0x%p, skb 0x%p,%u, " "f 0x%lx, plen %u.\n", @@ -1873,6 +1888,11 @@ int cxgbi_conn_alloc_pdu(struct iscsi_task *task, u8 opcode) tcp_task->dd_data = tdata; task->hdr = NULL; + if (tdata->skb) { + kfree_skb(tdata->skb); + tdata->skb = NULL; + } + if (SKB_MAX_HEAD(cdev->skb_tx_rsvd) > (512 * MAX_SKB_FRAGS) && (opcode == ISCSI_OP_SCSI_DATA_OUT || (opcode == ISCSI_OP_SCSI_CMD && @@ -1890,6 +1910,7 @@ int cxgbi_conn_alloc_pdu(struct iscsi_task *task, u8 opcode) return -ENOMEM; } + skb_get(tdata->skb); skb_reserve(tdata->skb, cdev->skb_tx_rsvd); task->hdr = (struct iscsi_hdr *)tdata->skb->data; task->hdr_max = SKB_TX_ISCSI_PDU_HEADER_MAX; /* BHS + AHS */ @@ -2035,9 +2056,9 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *task) unsigned int datalen; int err; - if (!skb) { + if (!skb || cxgbi_skcb_test_flag(skb, SKCBF_TX_DONE)) { log_debug(1 << CXGBI_DBG_ISCSI | 1 << CXGBI_DBG_PDU_TX, - "task 0x%p, skb NULL.\n", task); + "task 0x%p, skb 0x%p\n", task, skb); return 0; } @@ -2050,7 +2071,6 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *task) } datalen = skb->data_len; - tdata->skb = NULL; /* write ppod first if using ofldq to write ppod */ if (ttinfo->flags & CXGBI_PPOD_INFO_FLAG_VALID) { @@ -2078,6 +2098,7 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *task) pdulen += ISCSI_DIGEST_SIZE; task->conn->txdata_octets += pdulen; + cxgbi_skcb_set_flag(skb, SKCBF_TX_DONE); return 0; } @@ -2086,7 +2107,6 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *task) "task 0x%p, skb 0x%p, len %u/%u, %d EAGAIN.\n", task, skb, skb->len, skb->data_len, err); /* reset skb to send when we are called again */ - tdata->skb = skb; return err; } @@ -2094,7 +2114,8 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *task) "itt 0x%x, skb 0x%p, len %u/%u, xmit err %d.\n", task->itt, skb, skb->len, skb->data_len, err); - kfree_skb(skb); + __kfree_skb(tdata->skb); + tdata->skb = NULL; iscsi_conn_printk(KERN_ERR, task->conn, "xmit err %d.\n", err); iscsi_conn_failure(task->conn, ISCSI_ERR_XMIT_FAILED); @@ -2113,8 +2134,10 @@ void cxgbi_cleanup_task(struct iscsi_task *task) tcp_task->dd_data = NULL; /* never reached the xmit task callout */ - if (tdata->skb) - __kfree_skb(tdata->skb); + if (tdata->skb) { + kfree_skb(tdata->skb); + tdata->skb = NULL; + } task_release_itt(task, task->hdr_itt); memset(tdata, 0, sizeof(*tdata)); @@ -2714,6 +2737,9 @@ EXPORT_SYMBOL_GPL(cxgbi_attr_is_visible); static int __init libcxgbi_init_module(void) { pr_info("%s", version); + + BUILD_BUG_ON(FIELD_SIZEOF(struct sk_buff, cb) < + sizeof(struct cxgbi_skb_cb)); return 0; } diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h index 18e0ea8..37f07aa 100644 --- a/drivers/scsi/cxgbi/libcxgbi.h +++ b/drivers/scsi/cxgbi/libcxgbi.h @@ -187,6 +187,7 @@ enum cxgbi_sock_flags { CTPF_HAS_ATID, /* reserved atid */ CTPF_HAS_TID, /* reserved hw tid */ CTPF_OFFLOAD_DOWN, /* offload function off */ + CTPF_LOGOUT_RSP_RCVD, /* received logout response */ }; struct cxgbi_skb_rx_cb { @@ -195,7 +196,8 @@ struct cxgbi_skb_rx_cb { }; struct cxgbi_skb_tx_cb { - void *l2t; + void *handle; + void *arp_err_handler; struct sk_buff *wr_next; }; @@ -203,6 +205,7 @@ enum cxgbi_skcb_flags { SKCBF_TX_NEED_HDR, /* packet needs a header */ SKCBF_TX_MEM_WRITE, /* memory write */ SKCBF_TX_FLAG_COMPL, /* wr completion flag */ + SKCBF_TX_DONE, /* skb tx done */ SKCBF_RX_COALESCED, /* received whole pdu */ SKCBF_RX_HDR, /* received pdu header */ SKCBF_RX_DATA, /* received pdu payload */ @@ -215,13 +218,13 @@ enum cxgbi_skcb_flags { }; struct cxgbi_skb_cb { - unsigned char ulp_mode; - unsigned long flags; - unsigned int seq; union { struct cxgbi_skb_rx_cb rx; struct cxgbi_skb_tx_cb tx; }; + unsigned char ulp_mode; + unsigned long flags; + unsigned int seq; }; #define CXGBI_SKB_CB(skb) ((struct cxgbi_skb_cb *)&((skb)->cb[0])) @@ -374,11 +377,9 @@ static inline void cxgbi_sock_enqueue_wr(struct cxgbi_sock *csk, cxgbi_skcb_tx_wr_next(skb) = NULL; /* * We want to take an extra reference since both us and the driver - * need to free the packet before it's really freed. We know there's - * just one user currently so we use atomic_set rather than skb_get - * to avoid the atomic op. + * need to free the packet before it's really freed. */ - atomic_set(&skb->users, 2); + skb_get(skb); if (!csk->wr_pending_head) csk->wr_pending_head = skb; diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c index 3cbab87..2ceff58 100644 --- a/drivers/scsi/device_handler/scsi_dh_rdac.c +++ b/drivers/scsi/device_handler/scsi_dh_rdac.c @@ -265,18 +265,16 @@ static unsigned int rdac_failover_get(struct rdac_controller *ctlr, struct list_head *list, unsigned char *cdb) { - struct scsi_device *sdev = ctlr->ms_sdev; - struct rdac_dh_data *h = sdev->handler_data; struct rdac_mode_common *common; unsigned data_size; struct rdac_queue_data *qdata; u8 *lun_table; - if (h->ctlr->use_ms10) { + if (ctlr->use_ms10) { struct rdac_pg_expanded *rdac_pg; data_size = sizeof(struct rdac_pg_expanded); - rdac_pg = &h->ctlr->mode_select.expanded; + rdac_pg = &ctlr->mode_select.expanded; memset(rdac_pg, 0, data_size); common = &rdac_pg->common; rdac_pg->page_code = RDAC_PAGE_CODE_REDUNDANT_CONTROLLER + 0x40; @@ -288,7 +286,7 @@ static unsigned int rdac_failover_get(struct rdac_controller *ctlr, struct rdac_pg_legacy *rdac_pg; data_size = sizeof(struct rdac_pg_legacy); - rdac_pg = &h->ctlr->mode_select.legacy; + rdac_pg = &ctlr->mode_select.legacy; memset(rdac_pg, 0, data_size); common = &rdac_pg->common; rdac_pg->page_code = RDAC_PAGE_CODE_REDUNDANT_CONTROLLER; @@ -304,7 +302,7 @@ static unsigned int rdac_failover_get(struct rdac_controller *ctlr, } /* Prepare the command. */ - if (h->ctlr->use_ms10) { + if (ctlr->use_ms10) { cdb[0] = MODE_SELECT_10; cdb[7] = data_size >> 8; cdb[8] = data_size & 0xff; diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c index d390325..abf6026 100644 --- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c +++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c @@ -1170,6 +1170,8 @@ static struct ibmvscsis_cmd *ibmvscsis_get_free_cmd(struct scsi_info *vscsi) cmd = list_first_entry_or_null(&vscsi->free_cmd, struct ibmvscsis_cmd, list); if (cmd) { + if (cmd->abort_cmd) + cmd->abort_cmd = NULL; cmd->flags &= ~(DELAY_SEND); list_del(&cmd->list); cmd->iue = iue; @@ -1774,6 +1776,7 @@ static void ibmvscsis_send_messages(struct scsi_info *vscsi) if (cmd->abort_cmd) { retry = true; cmd->abort_cmd->flags &= ~(DELAY_SEND); + cmd->abort_cmd = NULL; } /* @@ -1788,6 +1791,25 @@ static void ibmvscsis_send_messages(struct scsi_info *vscsi) list_del(&cmd->list); ibmvscsis_free_cmd_resources(vscsi, cmd); + /* + * With a successfully aborted op + * through LIO we want to increment the + * the vscsi credit so that when we dont + * send a rsp to the original scsi abort + * op (h_send_crq), but the tm rsp to + * the abort is sent, the credit is + * correctly sent with the abort tm rsp. + * We would need 1 for the abort tm rsp + * and 1 credit for the aborted scsi op. + * Thus we need to increment here. + * Also we want to increment the credit + * here because we want to make sure + * cmd is actually released first + * otherwise the client will think it + * it can send a new cmd, and we could + * find ourselves short of cmd elements. + */ + vscsi->credit += 1; } else { iue = cmd->iue; @@ -2962,10 +2984,7 @@ static long srp_build_response(struct scsi_info *vscsi, rsp->opcode = SRP_RSP; - if (vscsi->credit > 0 && vscsi->state == SRP_PROCESSING) - rsp->req_lim_delta = cpu_to_be32(vscsi->credit); - else - rsp->req_lim_delta = cpu_to_be32(1 + vscsi->credit); + rsp->req_lim_delta = cpu_to_be32(1 + vscsi->credit); rsp->tag = cmd->rsp.tag; rsp->flags = 0; diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 8912767..da669dc 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -127,7 +127,7 @@ int lpfc_disc_state_machine(struct lpfc_vport *, struct lpfc_nodelist *, void *, void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *); int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *, struct serv_parm *, uint32_t, int); -int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *); +void lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *); void lpfc_more_plogi(struct lpfc_vport *); void lpfc_more_adisc(struct lpfc_vport *); void lpfc_end_rscn(struct lpfc_vport *); diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index f2cd19c..24ce96d 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -978,9 +978,10 @@ lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, ndlp, did, ndlp->nlp_fc4_type, FC_TYPE_FCP, FC_TYPE_NVME); ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; + + lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); + lpfc_issue_els_prli(vport, ndlp, 0); } - lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); - lpfc_issue_els_prli(vport, ndlp, 0); } else lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY, "3065 GFT_ID failed x%08x\n", irsp->ulpStatus); diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index bff3de0..f74cb01 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -206,7 +206,7 @@ lpfc_check_elscmpl_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, * associated with a LPFC_NODELIST entry. This * routine effectively results in a "software abort". */ -int +void lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) { LIST_HEAD(abort_list); @@ -215,6 +215,10 @@ lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) pring = lpfc_phba_elsring(phba); + /* In case of error recovery path, we might have a NULL pring here */ + if (!pring) + return; + /* Abort outstanding I/O on NPort <nlp_DID> */ lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_DISCOVERY, "2819 Abort outstanding I/O on NPort x%x " @@ -273,7 +277,6 @@ lpfc_els_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp) IOSTAT_LOCAL_REJECT, IOERR_SLI_ABORTED); lpfc_cancel_retry_delay_tmo(phba->pport, ndlp); - return 0; } static int diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c index 074a6b5..518b15e 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -799,8 +799,8 @@ lpfc_nvmet_xmt_fcp_release(struct nvmet_fc_target_port *tgtport, } spin_unlock_irqrestore(&ctxp->ctxlock, flags); - lpfc_nvmeio_data(phba, "NVMET FCP FREE: xri x%x ste %d\n", ctxp->oxid, - ctxp->state, 0); + lpfc_nvmeio_data(phba, "NVMET FCP FREE: xri x%x ste %d abt %d\n", ctxp->oxid, + ctxp->state, aborting); atomic_inc(&lpfc_nvmep->xmt_fcp_release); diff --git a/drivers/scsi/qedi/qedi.h b/drivers/scsi/qedi/qedi.h index 5ca3e8c..32632c9 100644 --- a/drivers/scsi/qedi/qedi.h +++ b/drivers/scsi/qedi/qedi.h @@ -38,7 +38,7 @@ struct qedi_endpoint; #define QEDI_MAX_ISCSI_TASK 4096 #define QEDI_MAX_TASK_NUM 0x0FFF #define QEDI_MAX_ISCSI_CONNS_PER_HBA 1024 -#define QEDI_ISCSI_MAX_BDS_PER_CMD 256 /* Firmware max BDs is 256 */ +#define QEDI_ISCSI_MAX_BDS_PER_CMD 255 /* Firmware max BDs is 255 */ #define MAX_OUSTANDING_TASKS_PER_CON 1024 #define QEDI_MAX_BD_LEN 0xffff @@ -63,6 +63,7 @@ struct qedi_endpoint; #define QEDI_PAGE_MASK (~((QEDI_PAGE_SIZE) - 1)) #define QEDI_PAGE_SIZE 4096 +#define QEDI_HW_DMA_BOUNDARY 0xfff #define QEDI_PATH_HANDLE 0xFE0000000UL struct qedi_uio_ctrl { diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c index d6978cb..507512c 100644 --- a/drivers/scsi/qedi/qedi_fw.c +++ b/drivers/scsi/qedi/qedi_fw.c @@ -870,7 +870,6 @@ static void qedi_process_cmd_cleanup_resp(struct qedi_ctx *qedi, QEDI_ERR(&qedi->dbg_ctx, "Delayed or untracked cleanup response, itt=0x%x, tid=0x%x, cid=0x%x, task=%p\n", protoitt, cqe->itid, qedi_conn->iscsi_conn_id, task); - WARN_ON(1); } } @@ -1494,6 +1493,8 @@ static int qedi_send_iscsi_tmf(struct qedi_conn *qedi_conn, tmf_hdr = (struct iscsi_tm *)mtask->hdr; qedi_cmd = (struct qedi_cmd *)mtask->dd_data; ep = qedi_conn->ep; + if (!ep) + return -ENODEV; tid = qedi_get_task_idx(qedi); if (tid == -1) diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c index 3548d46..87f0af3 100644 --- a/drivers/scsi/qedi/qedi_iscsi.c +++ b/drivers/scsi/qedi/qedi_iscsi.c @@ -59,6 +59,7 @@ struct scsi_host_template qedi_host_template = { .this_id = -1, .sg_tablesize = QEDI_ISCSI_MAX_BDS_PER_CMD, .max_sectors = 0xffff, + .dma_boundary = QEDI_HW_DMA_BOUNDARY, .cmd_per_lun = 128, .use_clustering = ENABLE_CLUSTERING, .shost_attrs = qedi_shost_attrs, @@ -1223,8 +1224,12 @@ static int qedi_set_path(struct Scsi_Host *shost, struct iscsi_path *path_data) iscsi_cid = (u32)path_data->handle; qedi_ep = qedi->ep_tbl[iscsi_cid]; - QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN, + QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO, "iscsi_cid=0x%x, qedi_ep=%p\n", iscsi_cid, qedi_ep); + if (!qedi_ep) { + ret = -EINVAL; + goto set_path_exit; + } if (!is_valid_ether_addr(&path_data->mac_addr[0])) { QEDI_NOTICE(&qedi->dbg_ctx, "dst mac NOT VALID\n"); diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 92775a8..879d3b7 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -151,6 +151,11 @@ static int qedi_uio_close(struct uio_info *uinfo, struct inode *inode) static void __qedi_free_uio_rings(struct qedi_uio_dev *udev) { + if (udev->uctrl) { + free_page((unsigned long)udev->uctrl); + udev->uctrl = NULL; + } + if (udev->ll2_ring) { free_page((unsigned long)udev->ll2_ring); udev->ll2_ring = NULL; @@ -169,7 +174,6 @@ static void __qedi_free_uio(struct qedi_uio_dev *udev) __qedi_free_uio_rings(udev); pci_dev_put(udev->pdev); - kfree(udev->uctrl); kfree(udev); } @@ -208,6 +212,11 @@ static int __qedi_alloc_uio_rings(struct qedi_uio_dev *udev) if (udev->ll2_ring || udev->ll2_buf) return rc; + /* Memory for control area. */ + udev->uctrl = (void *)get_zeroed_page(GFP_KERNEL); + if (!udev->uctrl) + return -ENOMEM; + /* Allocating memory for LL2 ring */ udev->ll2_ring_size = QEDI_PAGE_SIZE; udev->ll2_ring = (void *)get_zeroed_page(GFP_KERNEL | __GFP_COMP); @@ -237,7 +246,6 @@ exit_alloc_ring: static int qedi_alloc_uio_rings(struct qedi_ctx *qedi) { struct qedi_uio_dev *udev = NULL; - struct qedi_uio_ctrl *uctrl = NULL; int rc = 0; list_for_each_entry(udev, &qedi_udev_list, list) { @@ -258,21 +266,14 @@ static int qedi_alloc_uio_rings(struct qedi_ctx *qedi) goto err_udev; } - uctrl = kzalloc(sizeof(*uctrl), GFP_KERNEL); - if (!uctrl) { - rc = -ENOMEM; - goto err_uctrl; - } - udev->uio_dev = -1; udev->qedi = qedi; udev->pdev = qedi->pdev; - udev->uctrl = uctrl; rc = __qedi_alloc_uio_rings(udev); if (rc) - goto err_uio_rings; + goto err_uctrl; list_add(&udev->list, &qedi_udev_list); @@ -283,8 +284,6 @@ static int qedi_alloc_uio_rings(struct qedi_ctx *qedi) udev->rx_pkt = udev->ll2_buf + LL2_SINGLE_BUF_SIZE; return 0; - err_uio_rings: - kfree(uctrl); err_uctrl: kfree(udev); err_udev: @@ -828,6 +827,8 @@ static int qedi_set_iscsi_pf_param(struct qedi_ctx *qedi) qedi->pf_params.iscsi_pf_params.num_uhq_pages_in_ring = num_sq_pages; qedi->pf_params.iscsi_pf_params.num_queues = qedi->num_queues; qedi->pf_params.iscsi_pf_params.debug_mode = qedi_fw_debug; + qedi->pf_params.iscsi_pf_params.two_msl_timer = 4000; + qedi->pf_params.iscsi_pf_params.max_fin_rt = 2; for (log_page_size = 0 ; log_page_size < 32 ; log_page_size++) { if ((1 << log_page_size) == PAGE_SIZE) @@ -1498,11 +1499,9 @@ err_idx: void qedi_clear_task_idx(struct qedi_ctx *qedi, int idx) { - if (!test_and_clear_bit(idx, qedi->task_idx_map)) { + if (!test_and_clear_bit(idx, qedi->task_idx_map)) QEDI_ERR(&qedi->dbg_ctx, "FW task context, already cleared, tid=0x%x\n", idx); - WARN_ON(1); - } } void qedi_update_itt_map(struct qedi_ctx *qedi, u32 tid, u32 proto_itt, diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index 16d1cd5..ca3420d 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -730,6 +730,8 @@ qla2x00_process_loopback(struct bsg_job *bsg_job) return -EIO; } + memset(&elreq, 0, sizeof(elreq)); + elreq.req_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); @@ -795,10 +797,9 @@ qla2x00_process_loopback(struct bsg_job *bsg_job) if (atomic_read(&vha->loop_state) == LOOP_READY && (ha->current_topology == ISP_CFG_F || - ((IS_QLA81XX(ha) || IS_QLA8031(ha) || IS_QLA8044(ha)) && - le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE - && req_data_len == MAX_ELS_FRAME_PAYLOAD)) && - elreq.options == EXTERNAL_LOOPBACK) { + (le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE && + req_data_len == MAX_ELS_FRAME_PAYLOAD)) && + elreq.options == EXTERNAL_LOOPBACK) { type = "FC_BSG_HST_VENDOR_ECHO_DIAG"; ql_dbg(ql_dbg_user, vha, 0x701e, "BSG request type: %s.\n", type); diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 51b4179..88748a6 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -1131,7 +1131,7 @@ qla24xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked) /* Mailbox registers. */ mbx_reg = ®->mailbox0; - for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++, dmp_reg++) + for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++, mbx_reg++) fw->mailbox_reg[cnt] = htons(RD_REG_WORD(mbx_reg)); /* Transfer sequence registers. */ @@ -2090,7 +2090,7 @@ qla83xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked) /* Mailbox registers. */ mbx_reg = ®->mailbox0; - for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++, dmp_reg++) + for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++, mbx_reg++) fw->mailbox_reg[cnt] = htons(RD_REG_WORD(mbx_reg)); /* Transfer sequence registers. */ diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index ae11901..eddbc12 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -3425,6 +3425,7 @@ struct qla_hw_data { uint8_t max_req_queues; uint8_t max_rsp_queues; uint8_t max_qpairs; + uint8_t num_qpairs; struct qla_qpair *base_qpair; struct qla_npiv_entry *npiv_info; uint16_t nvram_npiv_size; diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 0347433..0391fc3 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -7543,12 +7543,13 @@ struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos, int v /* Assign available que pair id */ mutex_lock(&ha->mq_lock); qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs); - if (qpair_id >= ha->max_qpairs) { + if (ha->num_qpairs >= ha->max_qpairs) { mutex_unlock(&ha->mq_lock); ql_log(ql_log_warn, vha, 0x0183, "No resources to create additional q pair.\n"); goto fail_qid_map; } + ha->num_qpairs++; set_bit(qpair_id, ha->qpair_qid_map); ha->queue_pair_map[qpair_id] = qpair; qpair->id = qpair_id; @@ -7635,6 +7636,7 @@ fail_rsp: fail_msix: ha->queue_pair_map[qpair_id] = NULL; clear_bit(qpair_id, ha->qpair_qid_map); + ha->num_qpairs--; mutex_unlock(&ha->mq_lock); fail_qid_map: kfree(qpair); @@ -7660,6 +7662,7 @@ int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair) mutex_lock(&ha->mq_lock); ha->queue_pair_map[qpair->id] = NULL; clear_bit(qpair->id, ha->qpair_qid_map); + ha->num_qpairs--; list_del(&qpair->qp_list_elem); if (list_empty(&vha->qp_list)) vha->flags.qpairs_available = 0; diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h index 66df6ce..c61a6a8 100644 --- a/drivers/scsi/qla2xxx/qla_inline.h +++ b/drivers/scsi/qla2xxx/qla_inline.h @@ -129,28 +129,16 @@ qla2x00_clear_loop_id(fc_port_t *fcport) { } static inline void -qla2x00_clean_dsd_pool(struct qla_hw_data *ha, srb_t *sp, - struct qla_tgt_cmd *tc) +qla2x00_clean_dsd_pool(struct qla_hw_data *ha, struct crc_context *ctx) { - struct dsd_dma *dsd_ptr, *tdsd_ptr; - struct crc_context *ctx; - - if (sp) - ctx = (struct crc_context *)GET_CMD_CTX_SP(sp); - else if (tc) - ctx = (struct crc_context *)tc->ctx; - else { - BUG(); - return; - } + struct dsd_dma *dsd, *tdsd; /* clean up allocated prev pool */ - list_for_each_entry_safe(dsd_ptr, tdsd_ptr, - &ctx->dsd_list, list) { - dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr, - dsd_ptr->dsd_list_dma); - list_del(&dsd_ptr->list); - kfree(dsd_ptr); + list_for_each_entry_safe(dsd, tdsd, &ctx->dsd_list, list) { + dma_pool_free(ha->dl_dma_pool, dsd->dsd_addr, + dsd->dsd_list_dma); + list_del(&dsd->list); + kfree(dsd); } INIT_LIST_HEAD(&ctx->dsd_list); } diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index aac0350..2572121 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -3282,7 +3282,7 @@ msix_register_fail: } /* Enable MSI-X vector for response queue update for queue 0 */ - if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { + if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) { if (ha->msixbase && ha->mqiobase && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1 || ql2xmqsupport)) diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index a113ab3..cba1fc5 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -3676,15 +3676,6 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, qlt_update_host_map(vha, id); } - fc_host_port_name(vha->host) = - wwn_to_u64(vha->port_name); - - if (qla_ini_mode_enabled(vha)) - ql_dbg(ql_dbg_mbx, vha, 0x1018, - "FA-WWN portname %016llx (%x)\n", - fc_host_port_name(vha->host), - rptid_entry->vp_status); - set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); } else { @@ -4821,9 +4812,9 @@ qla2x00_echo_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq, memset(mcp->mb, 0 , sizeof(mcp->mb)); mcp->mb[0] = MBC_DIAGNOSTIC_ECHO; - mcp->mb[1] = mreq->options | BIT_6; /* BIT_6 specifies 64bit address */ + /* BIT_6 specifies 64bit address */ + mcp->mb[1] = mreq->options | BIT_15 | BIT_6; if (IS_CNA_CAPABLE(ha)) { - mcp->mb[1] |= BIT_15; mcp->mb[2] = vha->fcoe_fcf_idx; } mcp->mb[16] = LSW(mreq->rcv_dma); diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 1c79579..79f0502 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -630,29 +630,34 @@ qla2x00_sp_free_dma(void *ptr) sp->flags &= ~SRB_CRC_PROT_DMA_VALID; } + if (!ctx) + goto end; + if (sp->flags & SRB_CRC_CTX_DSD_VALID) { /* List assured to be having elements */ - qla2x00_clean_dsd_pool(ha, sp, NULL); + qla2x00_clean_dsd_pool(ha, ctx); sp->flags &= ~SRB_CRC_CTX_DSD_VALID; } if (sp->flags & SRB_CRC_CTX_DMA_VALID) { - dma_pool_free(ha->dl_dma_pool, ctx, - ((struct crc_context *)ctx)->crc_ctx_dma); + struct crc_context *ctx0 = ctx; + + dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma); sp->flags &= ~SRB_CRC_CTX_DMA_VALID; } if (sp->flags & SRB_FCP_CMND_DMA_VALID) { - struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx; + struct ct6_dsd *ctx1 = ctx; dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd, - ctx1->fcp_cmnd_dma); + ctx1->fcp_cmnd_dma); list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list); ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt; ha->gbl_dsd_avail += ctx1->dsd_use_cnt; mempool_free(ctx1, ha->ctx_mempool); } +end: CMD_SP(cmd) = NULL; qla2x00_rel_sp(sp); } @@ -699,21 +704,24 @@ qla2xxx_qpair_sp_free_dma(void *ptr) sp->flags &= ~SRB_CRC_PROT_DMA_VALID; } + if (!ctx) + goto end; + if (sp->flags & SRB_CRC_CTX_DSD_VALID) { /* List assured to be having elements */ - qla2x00_clean_dsd_pool(ha, sp, NULL); + qla2x00_clean_dsd_pool(ha, ctx); sp->flags &= ~SRB_CRC_CTX_DSD_VALID; } if (sp->flags & SRB_CRC_CTX_DMA_VALID) { - dma_pool_free(ha->dl_dma_pool, ctx, - ((struct crc_context *)ctx)->crc_ctx_dma); + struct crc_context *ctx0 = ctx; + + dma_pool_free(ha->dl_dma_pool, ctx, ctx0->crc_ctx_dma); sp->flags &= ~SRB_CRC_CTX_DMA_VALID; } if (sp->flags & SRB_FCP_CMND_DMA_VALID) { - struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx; - + struct ct6_dsd *ctx1 = ctx; dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd, ctx1->fcp_cmnd_dma); list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list); @@ -721,7 +729,7 @@ qla2xxx_qpair_sp_free_dma(void *ptr) ha->gbl_dsd_avail += ctx1->dsd_use_cnt; mempool_free(ctx1, ha->ctx_mempool); } - +end: CMD_SP(cmd) = NULL; qla2xxx_rel_qpair_sp(sp->qpair, sp); } @@ -1632,7 +1640,7 @@ qla2x00_loop_reset(scsi_qla_host_t *vha) void qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) { - int que, cnt; + int que, cnt, status; unsigned long flags; srb_t *sp; struct qla_hw_data *ha = vha->hw; @@ -1662,8 +1670,12 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) */ sp_get(sp); spin_unlock_irqrestore(&ha->hardware_lock, flags); - qla2xxx_eh_abort(GET_CMD_SP(sp)); + status = qla2xxx_eh_abort(GET_CMD_SP(sp)); spin_lock_irqsave(&ha->hardware_lock, flags); + /* Get rid of extra reference if immediate exit + * from ql2xxx_eh_abort */ + if (status == FAILED && (qla2x00_isp_reg_stat(ha))) + atomic_dec(&sp->ref_count); } req->outstanding_cmds[cnt] = NULL; sp->done(sp, res); @@ -2623,10 +2635,10 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) if (mem_only) { if (pci_enable_device_mem(pdev)) - goto probe_out; + return ret; } else { if (pci_enable_device(pdev)) - goto probe_out; + return ret; } /* This may fail but that's ok */ @@ -2636,7 +2648,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) if (!ha) { ql_log_pci(ql_log_fatal, pdev, 0x0009, "Unable to allocate memory for ha.\n"); - goto probe_out; + goto disable_device; } ql_dbg_pci(ql_dbg_init, pdev, 0x000a, "Memory allocated for ha=%p.\n", ha); @@ -3254,7 +3266,7 @@ iospace_config_failed: pci_release_selected_regions(ha->pdev, ha->bars); kfree(ha); -probe_out: +disable_device: pci_disable_device(pdev); return ret; } diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 0e03ca2..e766d84 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -2245,11 +2245,13 @@ static void qlt_unmap_sg(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd) pci_unmap_sg(ha->pdev, cmd->prot_sg, cmd->prot_sg_cnt, cmd->dma_data_direction); + if (!cmd->ctx) + return; + if (cmd->ctx_dsd_alloced) - qla2x00_clean_dsd_pool(ha, NULL, cmd); + qla2x00_clean_dsd_pool(ha, cmd->ctx); - if (cmd->ctx) - dma_pool_free(ha->dl_dma_pool, cmd->ctx, cmd->ctx->crc_ctx_dma); + dma_pool_free(ha->dl_dma_pool, cmd->ctx, cmd->ctx->crc_ctx_dma); } static int qlt_check_reserve_free_req(struct scsi_qla_host *vha, diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmpl.c index 8a58ef3..c197972 100644 --- a/drivers/scsi/qla2xxx/qla_tmpl.c +++ b/drivers/scsi/qla2xxx/qla_tmpl.c @@ -371,7 +371,7 @@ qla27xx_fwdt_entry_t262(struct scsi_qla_host *vha, goto done; } - if (end <= start || start == 0 || end == 0) { + if (end < start || start == 0 || end == 0) { ql_dbg(ql_dbg_misc, vha, 0xd023, "%s: unusable range (start=%x end=%x)\n", __func__, ent->t262.end_addr, ent->t262.start_addr); diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 17249c3..dc095a2 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -1404,7 +1404,7 @@ static int resp_inquiry(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) arr[4] = SDEBUG_LONG_INQ_SZ - 5; arr[5] = (int)have_dif_prot; /* PROTECT bit */ if (sdebug_vpd_use_hostno == 0) - arr[5] = 0x10; /* claim: implicit TGPS */ + arr[5] |= 0x10; /* claim: implicit TPGS */ arr[6] = 0x10; /* claim: MultiP */ /* arr[6] |= 0x40; ... claim: EncServ (enclosure services) */ arr[7] = 0xa; /* claim: LINKED + CMDQUE */ diff --git a/drivers/staging/ccree/Kconfig b/drivers/staging/ccree/Kconfig index ae62704..4be87f5 100644 --- a/drivers/staging/ccree/Kconfig +++ b/drivers/staging/ccree/Kconfig @@ -1,6 +1,6 @@ config CRYPTO_DEV_CCREE tristate "Support for ARM TrustZone CryptoCell C7XX family of Crypto accelerators" - depends on CRYPTO_HW && OF && HAS_DMA + depends on CRYPTO && CRYPTO_HW && OF && HAS_DMA default n select CRYPTO_HASH select CRYPTO_BLKCIPHER diff --git a/drivers/staging/ccree/ssi_buffer_mgr.c b/drivers/staging/ccree/ssi_buffer_mgr.c index 038e2ff..6471d3d 100644 --- a/drivers/staging/ccree/ssi_buffer_mgr.c +++ b/drivers/staging/ccree/ssi_buffer_mgr.c @@ -216,7 +216,8 @@ void ssi_buffer_mgr_copy_scatterlist_portion( uint32_t nents, lbytes; nents = ssi_buffer_mgr_get_sgl_nents(sg, end, &lbytes, NULL); - sg_copy_buffer(sg, nents, (void *)dest, (end - to_skip), 0, (direct == SSI_SG_TO_BUF)); + sg_copy_buffer(sg, nents, (void *)dest, (end - to_skip + 1), to_skip, + (direct == SSI_SG_TO_BUF)); } static inline int ssi_buffer_mgr_render_buff_to_mlli( diff --git a/drivers/staging/iio/cdc/ad7152.c b/drivers/staging/iio/cdc/ad7152.c index dc6ecd8..ff10d1f 100644 --- a/drivers/staging/iio/cdc/ad7152.c +++ b/drivers/staging/iio/cdc/ad7152.c @@ -231,16 +231,12 @@ static int ad7152_write_raw_samp_freq(struct device *dev, int val) if (i >= ARRAY_SIZE(ad7152_filter_rate_table)) i = ARRAY_SIZE(ad7152_filter_rate_table) - 1; - mutex_lock(&chip->state_lock); ret = i2c_smbus_write_byte_data(chip->client, AD7152_REG_CFG2, AD7152_CFG2_OSR(i)); - if (ret < 0) { - mutex_unlock(&chip->state_lock); + if (ret < 0) return ret; - } chip->filter_rate_setup = i; - mutex_unlock(&chip->state_lock); return ret; } diff --git a/drivers/staging/lustre/lustre/lov/lov_pack.c b/drivers/staging/lustre/lustre/lov/lov_pack.c index 2e1bd47..e6727ce 100644 --- a/drivers/staging/lustre/lustre/lov/lov_pack.c +++ b/drivers/staging/lustre/lustre/lov/lov_pack.c @@ -293,18 +293,10 @@ int lov_getstripe(struct lov_object *obj, struct lov_stripe_md *lsm, size_t lmmk_size; size_t lum_size; int rc; - mm_segment_t seg; if (!lsm) return -ENODATA; - /* - * "Switch to kernel segment" to allow copying from kernel space by - * copy_{to,from}_user(). - */ - seg = get_fs(); - set_fs(KERNEL_DS); - if (lsm->lsm_magic != LOV_MAGIC_V1 && lsm->lsm_magic != LOV_MAGIC_V3) { CERROR("bad LSM MAGIC: 0x%08X != 0x%08X nor 0x%08X\n", lsm->lsm_magic, LOV_MAGIC_V1, LOV_MAGIC_V3); @@ -406,6 +398,5 @@ int lov_getstripe(struct lov_object *obj, struct lov_stripe_md *lsm, out_free: kvfree(lmmk); out: - set_fs(seg); return rc; } diff --git a/drivers/staging/media/atomisp/i2c/Makefile b/drivers/staging/media/atomisp/i2c/Makefile index 8ea0190..466517c 100644 --- a/drivers/staging/media/atomisp/i2c/Makefile +++ b/drivers/staging/media/atomisp/i2c/Makefile @@ -19,5 +19,3 @@ obj-$(CONFIG_VIDEO_AP1302) += ap1302.o obj-$(CONFIG_VIDEO_LM3554) += lm3554.o -ccflags-y += -Werror - diff --git a/drivers/staging/media/atomisp/i2c/imx/Makefile b/drivers/staging/media/atomisp/i2c/imx/Makefile index 1d7f7ab..6b13a3a 100644 --- a/drivers/staging/media/atomisp/i2c/imx/Makefile +++ b/drivers/staging/media/atomisp/i2c/imx/Makefile @@ -4,5 +4,3 @@ imx1x5-objs := imx.o drv201.o ad5816g.o dw9714.o dw9719.o dw9718.o vcm.o otp.o o ov8858_driver-objs := ../ov8858.o dw9718.o vcm.o obj-$(CONFIG_VIDEO_OV8858) += ov8858_driver.o - -ccflags-y += -Werror diff --git a/drivers/staging/media/atomisp/i2c/ov5693/Makefile b/drivers/staging/media/atomisp/i2c/ov5693/Makefile index fceb9e9..c9c0e12 100644 --- a/drivers/staging/media/atomisp/i2c/ov5693/Makefile +++ b/drivers/staging/media/atomisp/i2c/ov5693/Makefile @@ -1,3 +1 @@ obj-$(CONFIG_VIDEO_OV5693) += ov5693.o - -ccflags-y += -Werror diff --git a/drivers/staging/media/atomisp/pci/atomisp2/Makefile b/drivers/staging/media/atomisp/pci/atomisp2/Makefile index 3fa7c1c..f126a89 100644 --- a/drivers/staging/media/atomisp/pci/atomisp2/Makefile +++ b/drivers/staging/media/atomisp/pci/atomisp2/Makefile @@ -351,5 +351,5 @@ DEFINES := -DHRT_HW -DHRT_ISP_CSS_CUSTOM_HOST -DHRT_USE_VIR_ADDRS -D__HOST__ DEFINES += -DATOMISP_POSTFIX=\"css2400b0_v21\" -DISP2400B0 DEFINES += -DSYSTEM_hive_isp_css_2400_system -DISP2400 -ccflags-y += $(INCLUDES) $(DEFINES) -fno-common -Werror +ccflags-y += $(INCLUDES) $(DEFINES) -fno-common diff --git a/drivers/staging/rtl8188eu/os_dep/mon.c b/drivers/staging/rtl8188eu/os_dep/mon.c index cfe37eb..859d0d6 100644 --- a/drivers/staging/rtl8188eu/os_dep/mon.c +++ b/drivers/staging/rtl8188eu/os_dep/mon.c @@ -152,7 +152,7 @@ static const struct net_device_ops mon_netdev_ops = { static void mon_setup(struct net_device *dev) { dev->netdev_ops = &mon_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; ether_setup(dev); dev->priv_flags |= IFF_NO_QUEUE; dev->type = ARPHRD_IEEE80211; diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c index 36c3189..bd4352f 100644 --- a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c @@ -2667,7 +2667,8 @@ static int rtw_cfg80211_add_monitor_if (struct adapter *padapter, char *name, st mon_ndev->type = ARPHRD_IEEE80211_RADIOTAP; strncpy(mon_ndev->name, name, IFNAMSIZ); mon_ndev->name[IFNAMSIZ - 1] = 0; - mon_ndev->destructor = rtw_ndev_destructor; + mon_ndev->needs_free_netdev = true; + mon_ndev->priv_destructor = rtw_ndev_destructor; mon_ndev->netdev_ops = &rtw_cfg80211_monitor_if_ops; diff --git a/drivers/staging/rtl8723bs/os_dep/os_intfs.c b/drivers/staging/rtl8723bs/os_dep/os_intfs.c index f83cfc7..0215899 100644 --- a/drivers/staging/rtl8723bs/os_dep/os_intfs.c +++ b/drivers/staging/rtl8723bs/os_dep/os_intfs.c @@ -1207,8 +1207,6 @@ void rtw_ndev_destructor(struct net_device *ndev) if (ndev->ieee80211_ptr) kfree((u8 *)ndev->ieee80211_ptr); - - free_netdev(ndev); } void rtw_dev_unload(struct adapter *padapter) diff --git a/drivers/staging/rtl8723bs/os_dep/osdep_service.c b/drivers/staging/rtl8723bs/os_dep/osdep_service.c index 02db59e..aa16d1a 100644 --- a/drivers/staging/rtl8723bs/os_dep/osdep_service.c +++ b/drivers/staging/rtl8723bs/os_dep/osdep_service.c @@ -160,7 +160,7 @@ static int isFileReadable(char *path) oldfs = get_fs(); set_fs(get_ds()); if (1!=readFile(fp, &buf, 1)) - ret = PTR_ERR(fp); + ret = -EINVAL; set_fs(oldfs); filp_close(fp, NULL); diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 26a9bcd..3fdca2c 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -1279,6 +1279,18 @@ iscsit_get_immediate_data(struct iscsi_cmd *cmd, struct iscsi_scsi_req *hdr, */ if (dump_payload) goto after_immediate_data; + /* + * Check for underflow case where both EDTL and immediate data payload + * exceeds what is presented by CDB's TRANSFER LENGTH, and what has + * already been set in target_cmd_size_check() as se_cmd->data_length. + * + * For this special case, fail the command and dump the immediate data + * payload. + */ + if (cmd->first_burst_len > cmd->se_cmd.data_length) { + cmd->sense_reason = TCM_INVALID_CDB_FIELD; + goto after_immediate_data; + } immed_ret = iscsit_handle_immediate_data(cmd, hdr, cmd->first_burst_len); @@ -3790,6 +3802,8 @@ int iscsi_target_tx_thread(void *arg) { int ret = 0; struct iscsi_conn *conn = arg; + bool conn_freed = false; + /* * Allow ourselves to be interrupted by SIGINT so that a * connection recovery / failure event can be triggered externally. @@ -3815,12 +3829,14 @@ get_immediate: goto transport_err; ret = iscsit_handle_response_queue(conn); - if (ret == 1) + if (ret == 1) { goto get_immediate; - else if (ret == -ECONNRESET) + } else if (ret == -ECONNRESET) { + conn_freed = true; goto out; - else if (ret < 0) + } else if (ret < 0) { goto transport_err; + } } transport_err: @@ -3830,8 +3846,13 @@ transport_err: * responsible for cleaning up the early connection failure. */ if (conn->conn_state != TARG_CONN_STATE_IN_LOGIN) - iscsit_take_action_for_connection_exit(conn); + iscsit_take_action_for_connection_exit(conn, &conn_freed); out: + if (!conn_freed) { + while (!kthread_should_stop()) { + msleep(100); + } + } return 0; } @@ -4004,6 +4025,7 @@ int iscsi_target_rx_thread(void *arg) { int rc; struct iscsi_conn *conn = arg; + bool conn_freed = false; /* * Allow ourselves to be interrupted by SIGINT so that a @@ -4016,7 +4038,7 @@ int iscsi_target_rx_thread(void *arg) */ rc = wait_for_completion_interruptible(&conn->rx_login_comp); if (rc < 0 || iscsi_target_check_conn_state(conn)) - return 0; + goto out; if (!conn->conn_transport->iscsit_get_rx_pdu) return 0; @@ -4025,7 +4047,15 @@ int iscsi_target_rx_thread(void *arg) if (!signal_pending(current)) atomic_set(&conn->transport_failed, 1); - iscsit_take_action_for_connection_exit(conn); + iscsit_take_action_for_connection_exit(conn, &conn_freed); + +out: + if (!conn_freed) { + while (!kthread_should_stop()) { + msleep(100); + } + } + return 0; } @@ -4405,8 +4435,11 @@ static void iscsit_logout_post_handler_closesession( * always sleep waiting for RX/TX thread shutdown to complete * within iscsit_close_connection(). */ - if (!conn->conn_transport->rdma_shutdown) + if (!conn->conn_transport->rdma_shutdown) { sleep = cmpxchg(&conn->tx_thread_active, true, false); + if (!sleep) + return; + } atomic_set(&conn->conn_logout_remove, 0); complete(&conn->conn_logout_comp); @@ -4422,8 +4455,11 @@ static void iscsit_logout_post_handler_samecid( { int sleep = 1; - if (!conn->conn_transport->rdma_shutdown) + if (!conn->conn_transport->rdma_shutdown) { sleep = cmpxchg(&conn->tx_thread_active, true, false); + if (!sleep) + return; + } atomic_set(&conn->conn_logout_remove, 0); complete(&conn->conn_logout_comp); diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c index 9a96e17..7fe2aa7 100644 --- a/drivers/target/iscsi/iscsi_target_erl0.c +++ b/drivers/target/iscsi/iscsi_target_erl0.c @@ -930,8 +930,10 @@ static void iscsit_handle_connection_cleanup(struct iscsi_conn *conn) } } -void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn) +void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn, bool *conn_freed) { + *conn_freed = false; + spin_lock_bh(&conn->state_lock); if (atomic_read(&conn->connection_exit)) { spin_unlock_bh(&conn->state_lock); @@ -942,6 +944,7 @@ void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn) if (conn->conn_state == TARG_CONN_STATE_IN_LOGOUT) { spin_unlock_bh(&conn->state_lock); iscsit_close_connection(conn); + *conn_freed = true; return; } @@ -955,4 +958,5 @@ void iscsit_take_action_for_connection_exit(struct iscsi_conn *conn) spin_unlock_bh(&conn->state_lock); iscsit_handle_connection_cleanup(conn); + *conn_freed = true; } diff --git a/drivers/target/iscsi/iscsi_target_erl0.h b/drivers/target/iscsi/iscsi_target_erl0.h index 60e69e2..3822d9c 100644 --- a/drivers/target/iscsi/iscsi_target_erl0.h +++ b/drivers/target/iscsi/iscsi_target_erl0.h @@ -15,6 +15,6 @@ extern int iscsit_stop_time2retain_timer(struct iscsi_session *); extern void iscsit_connection_reinstatement_rcfr(struct iscsi_conn *); extern void iscsit_cause_connection_reinstatement(struct iscsi_conn *, int); extern void iscsit_fall_back_to_erl0(struct iscsi_session *); -extern void iscsit_take_action_for_connection_exit(struct iscsi_conn *); +extern void iscsit_take_action_for_connection_exit(struct iscsi_conn *, bool *); #endif /*** ISCSI_TARGET_ERL0_H ***/ diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index 6623847..92b96b5 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -1464,5 +1464,9 @@ int iscsi_target_login_thread(void *arg) break; } + while (!kthread_should_stop()) { + msleep(100); + } + return 0; } diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 7ccc9c1..6f88b31 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -493,14 +493,60 @@ static void iscsi_target_restore_sock_callbacks(struct iscsi_conn *conn) static int iscsi_target_do_login(struct iscsi_conn *, struct iscsi_login *); -static bool iscsi_target_sk_state_check(struct sock *sk) +static bool __iscsi_target_sk_check_close(struct sock *sk) { if (sk->sk_state == TCP_CLOSE_WAIT || sk->sk_state == TCP_CLOSE) { - pr_debug("iscsi_target_sk_state_check: TCP_CLOSE_WAIT|TCP_CLOSE," + pr_debug("__iscsi_target_sk_check_close: TCP_CLOSE_WAIT|TCP_CLOSE," "returning FALSE\n"); - return false; + return true; } - return true; + return false; +} + +static bool iscsi_target_sk_check_close(struct iscsi_conn *conn) +{ + bool state = false; + + if (conn->sock) { + struct sock *sk = conn->sock->sk; + + read_lock_bh(&sk->sk_callback_lock); + state = (__iscsi_target_sk_check_close(sk) || + test_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags)); + read_unlock_bh(&sk->sk_callback_lock); + } + return state; +} + +static bool iscsi_target_sk_check_flag(struct iscsi_conn *conn, unsigned int flag) +{ + bool state = false; + + if (conn->sock) { + struct sock *sk = conn->sock->sk; + + read_lock_bh(&sk->sk_callback_lock); + state = test_bit(flag, &conn->login_flags); + read_unlock_bh(&sk->sk_callback_lock); + } + return state; +} + +static bool iscsi_target_sk_check_and_clear(struct iscsi_conn *conn, unsigned int flag) +{ + bool state = false; + + if (conn->sock) { + struct sock *sk = conn->sock->sk; + + write_lock_bh(&sk->sk_callback_lock); + state = (__iscsi_target_sk_check_close(sk) || + test_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags)); + if (!state) + clear_bit(flag, &conn->login_flags); + write_unlock_bh(&sk->sk_callback_lock); + } + return state; } static void iscsi_target_login_drop(struct iscsi_conn *conn, struct iscsi_login *login) @@ -540,6 +586,20 @@ static void iscsi_target_do_login_rx(struct work_struct *work) pr_debug("entering iscsi_target_do_login_rx, conn: %p, %s:%d\n", conn, current->comm, current->pid); + /* + * If iscsi_target_do_login_rx() has been invoked by ->sk_data_ready() + * before initial PDU processing in iscsi_target_start_negotiation() + * has completed, go ahead and retry until it's cleared. + * + * Otherwise if the TCP connection drops while this is occuring, + * iscsi_target_start_negotiation() will detect the failure, call + * cancel_delayed_work_sync(&conn->login_work), and cleanup the + * remaining iscsi connection resources from iscsi_np process context. + */ + if (iscsi_target_sk_check_flag(conn, LOGIN_FLAGS_INITIAL_PDU)) { + schedule_delayed_work(&conn->login_work, msecs_to_jiffies(10)); + return; + } spin_lock(&tpg->tpg_state_lock); state = (tpg->tpg_state == TPG_STATE_ACTIVE); @@ -547,26 +607,12 @@ static void iscsi_target_do_login_rx(struct work_struct *work) if (!state) { pr_debug("iscsi_target_do_login_rx: tpg_state != TPG_STATE_ACTIVE\n"); - iscsi_target_restore_sock_callbacks(conn); - iscsi_target_login_drop(conn, login); - iscsit_deaccess_np(np, tpg, tpg_np); - return; + goto err; } - if (conn->sock) { - struct sock *sk = conn->sock->sk; - - read_lock_bh(&sk->sk_callback_lock); - state = iscsi_target_sk_state_check(sk); - read_unlock_bh(&sk->sk_callback_lock); - - if (!state) { - pr_debug("iscsi_target_do_login_rx, TCP state CLOSE\n"); - iscsi_target_restore_sock_callbacks(conn); - iscsi_target_login_drop(conn, login); - iscsit_deaccess_np(np, tpg, tpg_np); - return; - } + if (iscsi_target_sk_check_close(conn)) { + pr_debug("iscsi_target_do_login_rx, TCP state CLOSE\n"); + goto err; } conn->login_kworker = current; @@ -584,34 +630,29 @@ static void iscsi_target_do_login_rx(struct work_struct *work) flush_signals(current); conn->login_kworker = NULL; - if (rc < 0) { - iscsi_target_restore_sock_callbacks(conn); - iscsi_target_login_drop(conn, login); - iscsit_deaccess_np(np, tpg, tpg_np); - return; - } + if (rc < 0) + goto err; pr_debug("iscsi_target_do_login_rx after rx_login_io, %p, %s:%d\n", conn, current->comm, current->pid); rc = iscsi_target_do_login(conn, login); if (rc < 0) { - iscsi_target_restore_sock_callbacks(conn); - iscsi_target_login_drop(conn, login); - iscsit_deaccess_np(np, tpg, tpg_np); + goto err; } else if (!rc) { - if (conn->sock) { - struct sock *sk = conn->sock->sk; - - write_lock_bh(&sk->sk_callback_lock); - clear_bit(LOGIN_FLAGS_READ_ACTIVE, &conn->login_flags); - write_unlock_bh(&sk->sk_callback_lock); - } + if (iscsi_target_sk_check_and_clear(conn, LOGIN_FLAGS_READ_ACTIVE)) + goto err; } else if (rc == 1) { iscsi_target_nego_release(conn); iscsi_post_login_handler(np, conn, zero_tsih); iscsit_deaccess_np(np, tpg, tpg_np); } + return; + +err: + iscsi_target_restore_sock_callbacks(conn); + iscsi_target_login_drop(conn, login); + iscsit_deaccess_np(np, tpg, tpg_np); } static void iscsi_target_do_cleanup(struct work_struct *work) @@ -659,31 +700,54 @@ static void iscsi_target_sk_state_change(struct sock *sk) orig_state_change(sk); return; } + state = __iscsi_target_sk_check_close(sk); + pr_debug("__iscsi_target_sk_close_change: state: %d\n", state); + if (test_bit(LOGIN_FLAGS_READ_ACTIVE, &conn->login_flags)) { pr_debug("Got LOGIN_FLAGS_READ_ACTIVE=1 sk_state_change" " conn: %p\n", conn); + if (state) + set_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags); write_unlock_bh(&sk->sk_callback_lock); orig_state_change(sk); return; } - if (test_and_set_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags)) { + if (test_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags)) { pr_debug("Got LOGIN_FLAGS_CLOSED=1 sk_state_change conn: %p\n", conn); write_unlock_bh(&sk->sk_callback_lock); orig_state_change(sk); return; } + /* + * If the TCP connection has dropped, go ahead and set LOGIN_FLAGS_CLOSED, + * but only queue conn->login_work -> iscsi_target_do_login_rx() + * processing if LOGIN_FLAGS_INITIAL_PDU has already been cleared. + * + * When iscsi_target_do_login_rx() runs, iscsi_target_sk_check_close() + * will detect the dropped TCP connection from delayed workqueue context. + * + * If LOGIN_FLAGS_INITIAL_PDU is still set, which means the initial + * iscsi_target_start_negotiation() is running, iscsi_target_do_login() + * via iscsi_target_sk_check_close() or iscsi_target_start_negotiation() + * via iscsi_target_sk_check_and_clear() is responsible for detecting the + * dropped TCP connection in iscsi_np process context, and cleaning up + * the remaining iscsi connection resources. + */ + if (state) { + pr_debug("iscsi_target_sk_state_change got failed state\n"); + set_bit(LOGIN_FLAGS_CLOSED, &conn->login_flags); + state = test_bit(LOGIN_FLAGS_INITIAL_PDU, &conn->login_flags); + write_unlock_bh(&sk->sk_callback_lock); - state = iscsi_target_sk_state_check(sk); - write_unlock_bh(&sk->sk_callback_lock); - - pr_debug("iscsi_target_sk_state_change: state: %d\n", state); + orig_state_change(sk); - if (!state) { - pr_debug("iscsi_target_sk_state_change got failed state\n"); - schedule_delayed_work(&conn->login_cleanup_work, 0); + if (!state) + schedule_delayed_work(&conn->login_work, 0); return; } + write_unlock_bh(&sk->sk_callback_lock); + orig_state_change(sk); } @@ -946,6 +1010,15 @@ static int iscsi_target_do_login(struct iscsi_conn *conn, struct iscsi_login *lo if (iscsi_target_handle_csg_one(conn, login) < 0) return -1; if (login_rsp->flags & ISCSI_FLAG_LOGIN_TRANSIT) { + /* + * Check to make sure the TCP connection has not + * dropped asynchronously while session reinstatement + * was occuring in this kthread context, before + * transitioning to full feature phase operation. + */ + if (iscsi_target_sk_check_close(conn)) + return -1; + login->tsih = conn->sess->tsih; login->login_complete = 1; iscsi_target_restore_sock_callbacks(conn); @@ -972,21 +1045,6 @@ static int iscsi_target_do_login(struct iscsi_conn *conn, struct iscsi_login *lo break; } - if (conn->sock) { - struct sock *sk = conn->sock->sk; - bool state; - - read_lock_bh(&sk->sk_callback_lock); - state = iscsi_target_sk_state_check(sk); - read_unlock_bh(&sk->sk_callback_lock); - - if (!state) { - pr_debug("iscsi_target_do_login() failed state for" - " conn: %p\n", conn); - return -1; - } - } - return 0; } @@ -1255,10 +1313,22 @@ int iscsi_target_start_negotiation( write_lock_bh(&sk->sk_callback_lock); set_bit(LOGIN_FLAGS_READY, &conn->login_flags); + set_bit(LOGIN_FLAGS_INITIAL_PDU, &conn->login_flags); write_unlock_bh(&sk->sk_callback_lock); } - + /* + * If iscsi_target_do_login returns zero to signal more PDU + * exchanges are required to complete the login, go ahead and + * clear LOGIN_FLAGS_INITIAL_PDU but only if the TCP connection + * is still active. + * + * Otherwise if TCP connection dropped asynchronously, go ahead + * and perform connection cleanup now. + */ ret = iscsi_target_do_login(conn, login); + if (!ret && iscsi_target_sk_check_and_clear(conn, LOGIN_FLAGS_INITIAL_PDU)) + ret = -1; + if (ret < 0) { cancel_delayed_work_sync(&conn->login_work); cancel_delayed_work_sync(&conn->login_cleanup_work); diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h index 9ab7090..0912de7 100644 --- a/drivers/target/target_core_internal.h +++ b/drivers/target/target_core_internal.h @@ -136,7 +136,7 @@ int init_se_kmem_caches(void); void release_se_kmem_caches(void); u32 scsi_get_new_index(scsi_index_t); void transport_subsystem_check_init(void); -void transport_cmd_finish_abort(struct se_cmd *, int); +int transport_cmd_finish_abort(struct se_cmd *, int); unsigned char *transport_dump_cmd_direction(struct se_cmd *); void transport_dump_dev_state(struct se_device *, char *, int *); void transport_dump_dev_info(struct se_device *, struct se_lun *, diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index dce1e1b..13f47bf 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -75,7 +75,7 @@ void core_tmr_release_req(struct se_tmr_req *tmr) kfree(tmr); } -static void core_tmr_handle_tas_abort(struct se_cmd *cmd, int tas) +static int core_tmr_handle_tas_abort(struct se_cmd *cmd, int tas) { unsigned long flags; bool remove = true, send_tas; @@ -91,7 +91,7 @@ static void core_tmr_handle_tas_abort(struct se_cmd *cmd, int tas) transport_send_task_abort(cmd); } - transport_cmd_finish_abort(cmd, remove); + return transport_cmd_finish_abort(cmd, remove); } static int target_check_cdb_and_preempt(struct list_head *list, @@ -184,8 +184,8 @@ void core_tmr_abort_task( cancel_work_sync(&se_cmd->work); transport_wait_for_tasks(se_cmd); - transport_cmd_finish_abort(se_cmd, true); - target_put_sess_cmd(se_cmd); + if (!transport_cmd_finish_abort(se_cmd, true)) + target_put_sess_cmd(se_cmd); printk("ABORT_TASK: Sending TMR_FUNCTION_COMPLETE for" " ref_tag: %llu\n", ref_tag); @@ -281,8 +281,8 @@ static void core_tmr_drain_tmr_list( cancel_work_sync(&cmd->work); transport_wait_for_tasks(cmd); - transport_cmd_finish_abort(cmd, 1); - target_put_sess_cmd(cmd); + if (!transport_cmd_finish_abort(cmd, 1)) + target_put_sess_cmd(cmd); } } @@ -380,8 +380,8 @@ static void core_tmr_drain_state_list( cancel_work_sync(&cmd->work); transport_wait_for_tasks(cmd); - core_tmr_handle_tas_abort(cmd, tas); - target_put_sess_cmd(cmd); + if (!core_tmr_handle_tas_abort(cmd, tas)) + target_put_sess_cmd(cmd); } } diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 37f5735..f1b3a46 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -651,9 +651,10 @@ static void transport_lun_remove_cmd(struct se_cmd *cmd) percpu_ref_put(&lun->lun_ref); } -void transport_cmd_finish_abort(struct se_cmd *cmd, int remove) +int transport_cmd_finish_abort(struct se_cmd *cmd, int remove) { bool ack_kref = (cmd->se_cmd_flags & SCF_ACK_KREF); + int ret = 0; if (cmd->se_cmd_flags & SCF_SE_LUN_CMD) transport_lun_remove_cmd(cmd); @@ -665,9 +666,11 @@ void transport_cmd_finish_abort(struct se_cmd *cmd, int remove) cmd->se_tfo->aborted_task(cmd); if (transport_cmd_check_stop_to_fabric(cmd)) - return; + return 1; if (remove && ack_kref) - transport_put_cmd(cmd); + ret = transport_put_cmd(cmd); + + return ret; } static void target_complete_failure_work(struct work_struct *work) @@ -1160,15 +1163,28 @@ target_cmd_size_check(struct se_cmd *cmd, unsigned int size) if (cmd->unknown_data_length) { cmd->data_length = size; } else if (size != cmd->data_length) { - pr_warn("TARGET_CORE[%s]: Expected Transfer Length:" + pr_warn_ratelimited("TARGET_CORE[%s]: Expected Transfer Length:" " %u does not match SCSI CDB Length: %u for SAM Opcode:" " 0x%02x\n", cmd->se_tfo->get_fabric_name(), cmd->data_length, size, cmd->t_task_cdb[0]); - if (cmd->data_direction == DMA_TO_DEVICE && - cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) { - pr_err("Rejecting underflow/overflow WRITE data\n"); - return TCM_INVALID_CDB_FIELD; + if (cmd->data_direction == DMA_TO_DEVICE) { + if (cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) { + pr_err_ratelimited("Rejecting underflow/overflow" + " for WRITE data CDB\n"); + return TCM_INVALID_CDB_FIELD; + } + /* + * Some fabric drivers like iscsi-target still expect to + * always reject overflow writes. Reject this case until + * full fabric driver level support for overflow writes + * is introduced tree-wide. + */ + if (size > cmd->data_length) { + pr_err_ratelimited("Rejecting overflow for" + " WRITE control CDB\n"); + return TCM_INVALID_CDB_FIELD; + } } /* * Reject READ_* or WRITE_* with overflow/underflow for diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 9045837..beb5f09 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -97,7 +97,7 @@ struct tcmu_hba { struct tcmu_dev { struct list_head node; - + struct kref kref; struct se_device se_dev; char *name; @@ -969,6 +969,7 @@ static struct se_device *tcmu_alloc_device(struct se_hba *hba, const char *name) udev = kzalloc(sizeof(struct tcmu_dev), GFP_KERNEL); if (!udev) return NULL; + kref_init(&udev->kref); udev->name = kstrdup(name, GFP_KERNEL); if (!udev->name) { @@ -1145,6 +1146,24 @@ static int tcmu_open(struct uio_info *info, struct inode *inode) return 0; } +static void tcmu_dev_call_rcu(struct rcu_head *p) +{ + struct se_device *dev = container_of(p, struct se_device, rcu_head); + struct tcmu_dev *udev = TCMU_DEV(dev); + + kfree(udev->uio_info.name); + kfree(udev->name); + kfree(udev); +} + +static void tcmu_dev_kref_release(struct kref *kref) +{ + struct tcmu_dev *udev = container_of(kref, struct tcmu_dev, kref); + struct se_device *dev = &udev->se_dev; + + call_rcu(&dev->rcu_head, tcmu_dev_call_rcu); +} + static int tcmu_release(struct uio_info *info, struct inode *inode) { struct tcmu_dev *udev = container_of(info, struct tcmu_dev, uio_info); @@ -1152,7 +1171,8 @@ static int tcmu_release(struct uio_info *info, struct inode *inode) clear_bit(TCMU_DEV_BIT_OPEN, &udev->flags); pr_debug("close\n"); - + /* release ref from configure */ + kref_put(&udev->kref, tcmu_dev_kref_release); return 0; } @@ -1272,6 +1292,12 @@ static int tcmu_configure_device(struct se_device *dev) dev->dev_attrib.hw_max_sectors = 128; dev->dev_attrib.hw_queue_depth = 128; + /* + * Get a ref incase userspace does a close on the uio device before + * LIO has initiated tcmu_free_device. + */ + kref_get(&udev->kref); + ret = tcmu_netlink_event(TCMU_CMD_ADDED_DEVICE, udev->uio_info.name, udev->uio_info.uio_dev->minor); if (ret) @@ -1284,11 +1310,13 @@ static int tcmu_configure_device(struct se_device *dev) return 0; err_netlink: + kref_put(&udev->kref, tcmu_dev_kref_release); uio_unregister_device(&udev->uio_info); err_register: vfree(udev->mb_addr); err_vzalloc: kfree(info->name); + info->name = NULL; return ret; } @@ -1302,14 +1330,6 @@ static int tcmu_check_and_free_pending_cmd(struct tcmu_cmd *cmd) return -EINVAL; } -static void tcmu_dev_call_rcu(struct rcu_head *p) -{ - struct se_device *dev = container_of(p, struct se_device, rcu_head); - struct tcmu_dev *udev = TCMU_DEV(dev); - - kfree(udev); -} - static bool tcmu_dev_configured(struct tcmu_dev *udev) { return udev->uio_info.uio_dev ? true : false; @@ -1364,10 +1384,10 @@ static void tcmu_free_device(struct se_device *dev) udev->uio_info.uio_dev->minor); uio_unregister_device(&udev->uio_info); - kfree(udev->uio_info.name); - kfree(udev->name); } - call_rcu(&dev->rcu_head, tcmu_dev_call_rcu); + + /* release ref from init */ + kref_put(&udev->kref, tcmu_dev_kref_release); } enum { diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index 4fb3165..6b13719 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -34,9 +34,7 @@ static int tty_port_default_receive_buf(struct tty_port *port, if (!disc) return 0; - mutex_lock(&tty->atomic_write_lock); ret = tty_ldisc_receive_buf(disc, p, (char *)f, count); - mutex_unlock(&tty->atomic_write_lock); tty_ldisc_deref(disc); diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 9e217b1..fe4fe24 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -843,7 +843,10 @@ static ssize_t ci_role_show(struct device *dev, struct device_attribute *attr, { struct ci_hdrc *ci = dev_get_drvdata(dev); - return sprintf(buf, "%s\n", ci_role(ci)->name); + if (ci->role != CI_ROLE_END) + return sprintf(buf, "%s\n", ci_role(ci)->name); + + return 0; } static ssize_t ci_role_store(struct device *dev, diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c index 6d23eed..1c31e8a 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -294,7 +294,8 @@ static int ci_role_show(struct seq_file *s, void *data) { struct ci_hdrc *ci = s->private; - seq_printf(s, "%s\n", ci_role(ci)->name); + if (ci->role != CI_ROLE_END) + seq_printf(s, "%s\n", ci_role(ci)->name); return 0; } diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 56d2d32..d68b125 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1993,6 +1993,7 @@ static void udc_id_switch_for_host(struct ci_hdrc *ci) int ci_hdrc_gadget_init(struct ci_hdrc *ci) { struct ci_role_driver *rdrv; + int ret; if (!hw_read(ci, CAP_DCCPARAMS, DCCPARAMS_DC)) return -ENXIO; @@ -2005,7 +2006,10 @@ int ci_hdrc_gadget_init(struct ci_hdrc *ci) rdrv->stop = udc_id_switch_for_host; rdrv->irq = udc_irq; rdrv->name = "gadget"; - ci->roles[CI_ROLE_GADGET] = rdrv; - return udc_start(ci); + ret = udc_start(ci); + if (!ret) + ci->roles[CI_ROLE_GADGET] = rdrv; + + return ret; } diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c index e77a4ed..9f4a018 100644 --- a/drivers/usb/chipidea/usbmisc_imx.c +++ b/drivers/usb/chipidea/usbmisc_imx.c @@ -108,6 +108,8 @@ struct imx_usbmisc { const struct usbmisc_ops *ops; }; +static inline bool is_imx53_usbmisc(struct imx_usbmisc_data *data); + static int usbmisc_imx25_init(struct imx_usbmisc_data *data) { struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev); @@ -242,10 +244,15 @@ static int usbmisc_imx53_init(struct imx_usbmisc_data *data) val = readl(reg) | MX53_USB_UHx_CTRL_WAKE_UP_EN | MX53_USB_UHx_CTRL_ULPI_INT_EN; writel(val, reg); - /* Disable internal 60Mhz clock */ - reg = usbmisc->base + MX53_USB_CLKONOFF_CTRL_OFFSET; - val = readl(reg) | MX53_USB_CLKONOFF_CTRL_H2_INT60CKOFF; - writel(val, reg); + if (is_imx53_usbmisc(data)) { + /* Disable internal 60Mhz clock */ + reg = usbmisc->base + + MX53_USB_CLKONOFF_CTRL_OFFSET; + val = readl(reg) | + MX53_USB_CLKONOFF_CTRL_H2_INT60CKOFF; + writel(val, reg); + } + } if (data->disable_oc) { reg = usbmisc->base + MX53_USB_UH2_CTRL_OFFSET; @@ -267,10 +274,15 @@ static int usbmisc_imx53_init(struct imx_usbmisc_data *data) val = readl(reg) | MX53_USB_UHx_CTRL_WAKE_UP_EN | MX53_USB_UHx_CTRL_ULPI_INT_EN; writel(val, reg); - /* Disable internal 60Mhz clock */ - reg = usbmisc->base + MX53_USB_CLKONOFF_CTRL_OFFSET; - val = readl(reg) | MX53_USB_CLKONOFF_CTRL_H3_INT60CKOFF; - writel(val, reg); + + if (is_imx53_usbmisc(data)) { + /* Disable internal 60Mhz clock */ + reg = usbmisc->base + + MX53_USB_CLKONOFF_CTRL_OFFSET; + val = readl(reg) | + MX53_USB_CLKONOFF_CTRL_H3_INT60CKOFF; + writel(val, reg); + } } if (data->disable_oc) { reg = usbmisc->base + MX53_USB_UH3_CTRL_OFFSET; @@ -456,6 +468,10 @@ static const struct usbmisc_ops imx27_usbmisc_ops = { .init = usbmisc_imx27_init, }; +static const struct usbmisc_ops imx51_usbmisc_ops = { + .init = usbmisc_imx53_init, +}; + static const struct usbmisc_ops imx53_usbmisc_ops = { .init = usbmisc_imx53_init, }; @@ -479,6 +495,13 @@ static const struct usbmisc_ops imx7d_usbmisc_ops = { .set_wakeup = usbmisc_imx7d_set_wakeup, }; +static inline bool is_imx53_usbmisc(struct imx_usbmisc_data *data) +{ + struct imx_usbmisc *usbmisc = dev_get_drvdata(data->dev); + + return usbmisc->ops == &imx53_usbmisc_ops; +} + int imx_usbmisc_init(struct imx_usbmisc_data *data) { struct imx_usbmisc *usbmisc; @@ -536,7 +559,7 @@ static const struct of_device_id usbmisc_imx_dt_ids[] = { }, { .compatible = "fsl,imx51-usbmisc", - .data = &imx53_usbmisc_ops, + .data = &imx51_usbmisc_ops, }, { .compatible = "fsl,imx53-usbmisc", diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index 9cd8722..a3ffe97 100644 --- a/drivers/usb/dwc2/params.c +++ b/drivers/usb/dwc2/params.c @@ -144,6 +144,8 @@ const struct of_device_id dwc2_of_match_table[] = { { .compatible = "lantiq,xrx200-usb", .data = dwc2_set_ltq_params }, { .compatible = "snps,dwc2" }, { .compatible = "samsung,s3c6400-hsotg" }, + { .compatible = "amlogic,meson8-usb", + .data = dwc2_set_amlogic_params }, { .compatible = "amlogic,meson8b-usb", .data = dwc2_set_amlogic_params }, { .compatible = "amlogic,meson-gxbb-usb", diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 49d685a..45b5540 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -315,6 +315,9 @@ void usb_remove_function(struct usb_configuration *c, struct usb_function *f) list_del(&f->list); if (f->unbind) f->unbind(c, f); + + if (f->bind_deactivated) + usb_function_activate(f); } EXPORT_SYMBOL_GPL(usb_remove_function); @@ -956,12 +959,8 @@ static void remove_config(struct usb_composite_dev *cdev, f = list_first_entry(&config->functions, struct usb_function, list); - list_del(&f->list); - if (f->unbind) { - DBG(cdev, "unbind function '%s'/%p\n", f->name, f); - f->unbind(config, f); - /* may free memory for "f" */ - } + + usb_remove_function(config, f); } list_del(&config->list); if (config->unbind) { diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c index 4c8aacc..74d57d6 100644 --- a/drivers/usb/gadget/function/f_mass_storage.c +++ b/drivers/usb/gadget/function/f_mass_storage.c @@ -396,7 +396,11 @@ static int fsg_set_halt(struct fsg_dev *fsg, struct usb_ep *ep) /* Caller must hold fsg->lock */ static void wakeup_thread(struct fsg_common *common) { - smp_wmb(); /* ensure the write of bh->state is complete */ + /* + * Ensure the reading of thread_wakeup_needed + * and the writing of bh->state are completed + */ + smp_mb(); /* Tell the main thread that something has happened */ common->thread_wakeup_needed = 1; if (common->thread_task) @@ -627,7 +631,12 @@ static int sleep_thread(struct fsg_common *common, bool can_freeze) } __set_current_state(TASK_RUNNING); common->thread_wakeup_needed = 0; - smp_rmb(); /* ensure the latest bh->state is visible */ + + /* + * Ensure the writing of thread_wakeup_needed + * and the reading of bh->state are completed + */ + smp_mb(); return rc; } diff --git a/drivers/usb/gadget/function/f_phonet.c b/drivers/usb/gadget/function/f_phonet.c index b4058f0..6a1ce6a 100644 --- a/drivers/usb/gadget/function/f_phonet.c +++ b/drivers/usb/gadget/function/f_phonet.c @@ -281,7 +281,7 @@ static void pn_net_setup(struct net_device *dev) dev->tx_queue_len = 1; dev->netdev_ops = &pn_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->header_ops = &phonet_header_ops; } diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c index b9ca0a2..684900f 100644 --- a/drivers/usb/gadget/legacy/inode.c +++ b/drivers/usb/gadget/legacy/inode.c @@ -1183,8 +1183,10 @@ dev_release (struct inode *inode, struct file *fd) /* closing ep0 === shutdown all */ - if (dev->gadget_registered) + if (dev->gadget_registered) { usb_gadget_unregister_driver (&gadgetfs_driver); + dev->gadget_registered = false; + } /* at this point "good" hardware has disconnected the * device from USB; the host won't see it any more. @@ -1677,9 +1679,10 @@ static void gadgetfs_suspend (struct usb_gadget *gadget) { struct dev_data *dev = get_gadget_data (gadget); + unsigned long flags; INFO (dev, "suspended from state %d\n", dev->state); - spin_lock (&dev->lock); + spin_lock_irqsave(&dev->lock, flags); switch (dev->state) { case STATE_DEV_SETUP: // VERY odd... host died?? case STATE_DEV_CONNECTED: @@ -1690,7 +1693,7 @@ gadgetfs_suspend (struct usb_gadget *gadget) default: break; } - spin_unlock (&dev->lock); + spin_unlock_irqrestore(&dev->lock, flags); } static struct usb_gadget_driver gadgetfs_driver = { diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c index ccabb51..7635fd7 100644 --- a/drivers/usb/gadget/udc/dummy_hcd.c +++ b/drivers/usb/gadget/udc/dummy_hcd.c @@ -442,23 +442,16 @@ static void set_link_state(struct dummy_hcd *dum_hcd) /* Report reset and disconnect events to the driver */ if (dum->driver && (disconnect || reset)) { stop_activity(dum); - spin_unlock(&dum->lock); if (reset) usb_gadget_udc_reset(&dum->gadget, dum->driver); else dum->driver->disconnect(&dum->gadget); - spin_lock(&dum->lock); } } else if (dum_hcd->active != dum_hcd->old_active) { - if (dum_hcd->old_active && dum->driver->suspend) { - spin_unlock(&dum->lock); + if (dum_hcd->old_active && dum->driver->suspend) dum->driver->suspend(&dum->gadget); - spin_lock(&dum->lock); - } else if (!dum_hcd->old_active && dum->driver->resume) { - spin_unlock(&dum->lock); + else if (!dum_hcd->old_active && dum->driver->resume) dum->driver->resume(&dum->gadget); - spin_lock(&dum->lock); - } } dum_hcd->old_status = dum_hcd->port_status; @@ -983,7 +976,9 @@ static int dummy_udc_stop(struct usb_gadget *g) struct dummy_hcd *dum_hcd = gadget_to_dummy_hcd(g); struct dummy *dum = dum_hcd->dum; + spin_lock_irq(&dum->lock); dum->driver = NULL; + spin_unlock_irq(&dum->lock); return 0; } diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c index 6cf0785..f2cbd7f 100644 --- a/drivers/usb/gadget/udc/net2280.c +++ b/drivers/usb/gadget/udc/net2280.c @@ -2470,11 +2470,8 @@ static void stop_activity(struct net2280 *dev, struct usb_gadget_driver *driver) nuke(&dev->ep[i]); /* report disconnect; the driver is already quiesced */ - if (driver) { - spin_unlock(&dev->lock); + if (driver) driver->disconnect(&dev->gadget); - spin_lock(&dev->lock); - } usb_reinit(dev); } @@ -3348,8 +3345,6 @@ next_endpoints: BIT(PCI_RETRY_ABORT_INTERRUPT)) static void handle_stat1_irqs(struct net2280 *dev, u32 stat) -__releases(dev->lock) -__acquires(dev->lock) { struct net2280_ep *ep; u32 tmp, num, mask, scratch; @@ -3390,14 +3385,12 @@ __acquires(dev->lock) if (disconnect || reset) { stop_activity(dev, dev->driver); ep0_start(dev); - spin_unlock(&dev->lock); if (reset) usb_gadget_udc_reset (&dev->gadget, dev->driver); else (dev->driver->disconnect) (&dev->gadget); - spin_lock(&dev->lock); return; } } diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c index 5a2d845..cd4c885 100644 --- a/drivers/usb/gadget/udc/renesas_usb3.c +++ b/drivers/usb/gadget/udc/renesas_usb3.c @@ -623,7 +623,6 @@ static void renesas_usb3_stop_controller(struct renesas_usb3 *usb3) { usb3_disconnect(usb3); usb3_write(usb3, 0, USB3_P0_INT_ENA); - usb3_write(usb3, 0, USB3_PN_INT_ENA); usb3_write(usb3, 0, USB3_USB_OTG_INT_ENA); usb3_write(usb3, 0, USB3_USB_INT_ENA_1); usb3_write(usb3, 0, USB3_USB_INT_ENA_2); @@ -1475,7 +1474,13 @@ static void usb3_request_done_pipen(struct renesas_usb3 *usb3, struct renesas_usb3_request *usb3_req, int status) { - usb3_pn_stop(usb3); + unsigned long flags; + + spin_lock_irqsave(&usb3->lock, flags); + if (usb3_pn_change(usb3, usb3_ep->num)) + usb3_pn_stop(usb3); + spin_unlock_irqrestore(&usb3->lock, flags); + usb3_disable_pipe_irq(usb3, usb3_ep->num); usb3_request_done(usb3_ep, usb3_req, status); @@ -1504,30 +1509,46 @@ static void usb3_irq_epc_pipen_bfrdy(struct renesas_usb3 *usb3, int num) { struct renesas_usb3_ep *usb3_ep = usb3_get_ep(usb3, num); struct renesas_usb3_request *usb3_req = usb3_get_request(usb3_ep); + bool done = false; if (!usb3_req) return; + spin_lock(&usb3->lock); + if (usb3_pn_change(usb3, num)) + goto out; + if (usb3_ep->dir_in) { /* Do not stop the IN pipe here to detect LSTTR interrupt */ if (!usb3_write_pipe(usb3_ep, usb3_req, USB3_PN_WRITE)) usb3_clear_bit(usb3, PN_INT_BFRDY, USB3_PN_INT_ENA); } else { if (!usb3_read_pipe(usb3_ep, usb3_req, USB3_PN_READ)) - usb3_request_done_pipen(usb3, usb3_ep, usb3_req, 0); + done = true; } + +out: + /* need to unlock because usb3_request_done_pipen() locks it */ + spin_unlock(&usb3->lock); + + if (done) + usb3_request_done_pipen(usb3, usb3_ep, usb3_req, 0); } static void usb3_irq_epc_pipen(struct renesas_usb3 *usb3, int num) { u32 pn_int_sta; - if (usb3_pn_change(usb3, num) < 0) + spin_lock(&usb3->lock); + if (usb3_pn_change(usb3, num) < 0) { + spin_unlock(&usb3->lock); return; + } pn_int_sta = usb3_read(usb3, USB3_PN_INT_STA); pn_int_sta &= usb3_read(usb3, USB3_PN_INT_ENA); usb3_write(usb3, pn_int_sta, USB3_PN_INT_STA); + spin_unlock(&usb3->lock); if (pn_int_sta & PN_INT_LSTTR) usb3_irq_epc_pipen_lsttr(usb3, num); if (pn_int_sta & PN_INT_BFRDY) @@ -1660,6 +1681,7 @@ static int usb3_disable_pipe_n(struct renesas_usb3_ep *usb3_ep) spin_lock_irqsave(&usb3->lock, flags); if (!usb3_pn_change(usb3, usb3_ep->num)) { + usb3_write(usb3, 0, USB3_PN_INT_ENA); usb3_write(usb3, 0, USB3_PN_RAMMAP); usb3_clear_bit(usb3, PN_CON_EN, USB3_PN_CON); } @@ -1799,6 +1821,9 @@ static int renesas_usb3_start(struct usb_gadget *gadget, /* hook up the driver */ usb3->driver = driver; + pm_runtime_enable(usb3_to_dev(usb3)); + pm_runtime_get_sync(usb3_to_dev(usb3)); + renesas_usb3_init_controller(usb3); return 0; @@ -1807,14 +1832,14 @@ static int renesas_usb3_start(struct usb_gadget *gadget, static int renesas_usb3_stop(struct usb_gadget *gadget) { struct renesas_usb3 *usb3 = gadget_to_renesas_usb3(gadget); - unsigned long flags; - spin_lock_irqsave(&usb3->lock, flags); usb3->softconnect = false; usb3->gadget.speed = USB_SPEED_UNKNOWN; usb3->driver = NULL; renesas_usb3_stop_controller(usb3); - spin_unlock_irqrestore(&usb3->lock, flags); + + pm_runtime_put(usb3_to_dev(usb3)); + pm_runtime_disable(usb3_to_dev(usb3)); return 0; } @@ -1891,9 +1916,6 @@ static int renesas_usb3_remove(struct platform_device *pdev) device_remove_file(&pdev->dev, &dev_attr_role); - pm_runtime_put(&pdev->dev); - pm_runtime_disable(&pdev->dev); - usb_del_gadget_udc(&usb3->gadget); __renesas_usb3_ep_free_request(usb3->ep0_req); @@ -2099,9 +2121,6 @@ static int renesas_usb3_probe(struct platform_device *pdev) usb3->workaround_for_vbus = priv->workaround_for_vbus; - pm_runtime_enable(&pdev->dev); - pm_runtime_get_sync(&pdev->dev); - dev_info(&pdev->dev, "probed\n"); return 0; diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 1f1687e..fddf273 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -2119,11 +2119,12 @@ static void xhci_add_in_port(struct xhci_hcd *xhci, unsigned int num_ports, { u32 temp, port_offset, port_count; int i; - u8 major_revision; + u8 major_revision, minor_revision; struct xhci_hub *rhub; temp = readl(addr); major_revision = XHCI_EXT_PORT_MAJOR(temp); + minor_revision = XHCI_EXT_PORT_MINOR(temp); if (major_revision == 0x03) { rhub = &xhci->usb3_rhub; @@ -2137,7 +2138,9 @@ static void xhci_add_in_port(struct xhci_hcd *xhci, unsigned int num_ports, return; } rhub->maj_rev = XHCI_EXT_PORT_MAJOR(temp); - rhub->min_rev = XHCI_EXT_PORT_MINOR(temp); + + if (rhub->min_rev < minor_revision) + rhub->min_rev = minor_revision; /* Port offset and count in the third dword, see section 7.2 */ temp = readl(addr + 2); diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index fcf1f3f..1bcf971 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -201,6 +201,9 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && pdev->device == 0x1042) xhci->quirks |= XHCI_BROKEN_STREAMS; + if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && + pdev->device == 0x1142) + xhci->quirks |= XHCI_TRUST_TX_LENGTH; if (pdev->vendor == PCI_VENDOR_ID_TI && pdev->device == 0x8241) xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_7; diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 9c7ee26..bc6a9be 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -245,6 +245,11 @@ static int dsps_check_status(struct musb *musb, void *unused) dsps_mod_timer_optional(glue); break; case OTG_STATE_A_WAIT_BCON: + /* keep VBUS on for host-only mode */ + if (musb->port_mode == MUSB_PORT_MODE_HOST) { + dsps_mod_timer_optional(glue); + break; + } musb_writeb(musb->mregs, MUSB_DEVCTL, 0); skip_session = 1; /* fall */ diff --git a/drivers/video/fbdev/core/fbmon.c b/drivers/video/fbdev/core/fbmon.c index 687ebb0..41d7979 100644 --- a/drivers/video/fbdev/core/fbmon.c +++ b/drivers/video/fbdev/core/fbmon.c @@ -1048,7 +1048,7 @@ void fb_edid_add_monspecs(unsigned char *edid, struct fb_monspecs *specs) for (i = 0; i < (128 - edid[2]) / DETAILED_TIMING_DESCRIPTION_SIZE; i++, block += DETAILED_TIMING_DESCRIPTION_SIZE) - if (PIXEL_CLOCK) + if (PIXEL_CLOCK != 0) edt[num++] = block - edid; /* Yikes, EDID data is totally useless */ diff --git a/drivers/video/fbdev/smscufx.c b/drivers/video/fbdev/smscufx.c index ec2e7e3..449fcea 100644 --- a/drivers/video/fbdev/smscufx.c +++ b/drivers/video/fbdev/smscufx.c @@ -1646,8 +1646,9 @@ static int ufx_usb_probe(struct usb_interface *interface, dev_dbg(dev->gdev, "%s %s - serial #%s\n", usbdev->manufacturer, usbdev->product, usbdev->serial); dev_dbg(dev->gdev, "vid_%04x&pid_%04x&rev_%04x driver's ufx_data struct at %p\n", - usbdev->descriptor.idVendor, usbdev->descriptor.idProduct, - usbdev->descriptor.bcdDevice, dev); + le16_to_cpu(usbdev->descriptor.idVendor), + le16_to_cpu(usbdev->descriptor.idProduct), + le16_to_cpu(usbdev->descriptor.bcdDevice), dev); dev_dbg(dev->gdev, "console enable=%d\n", console); dev_dbg(dev->gdev, "fb_defio enable=%d\n", fb_defio); diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c index 6a3c353..05ef657 100644 --- a/drivers/video/fbdev/udlfb.c +++ b/drivers/video/fbdev/udlfb.c @@ -1105,8 +1105,8 @@ static int dlfb_ops_blank(int blank_mode, struct fb_info *info) char *bufptr; struct urb *urb; - pr_info("/dev/fb%d FB_BLANK mode %d --> %d\n", - info->node, dev->blank_mode, blank_mode); + pr_debug("/dev/fb%d FB_BLANK mode %d --> %d\n", + info->node, dev->blank_mode, blank_mode); if ((dev->blank_mode == FB_BLANK_POWERDOWN) && (blank_mode != FB_BLANK_POWERDOWN)) { @@ -1613,8 +1613,9 @@ static int dlfb_usb_probe(struct usb_interface *interface, pr_info("%s %s - serial #%s\n", usbdev->manufacturer, usbdev->product, usbdev->serial); pr_info("vid_%04x&pid_%04x&rev_%04x driver's dlfb_data struct at %p\n", - usbdev->descriptor.idVendor, usbdev->descriptor.idProduct, - usbdev->descriptor.bcdDevice, dev); + le16_to_cpu(usbdev->descriptor.idVendor), + le16_to_cpu(usbdev->descriptor.idProduct), + le16_to_cpu(usbdev->descriptor.bcdDevice), dev); pr_info("console enable=%d\n", console); pr_info("fb_defio enable=%d\n", fb_defio); pr_info("shadow enable=%d\n", shadow); diff --git a/drivers/video/fbdev/via/viafbdev.c b/drivers/video/fbdev/via/viafbdev.c index f9718f0..badee04 100644 --- a/drivers/video/fbdev/via/viafbdev.c +++ b/drivers/video/fbdev/via/viafbdev.c @@ -1630,16 +1630,14 @@ static void viafb_init_proc(struct viafb_shared *shared) } static void viafb_remove_proc(struct viafb_shared *shared) { - struct proc_dir_entry *viafb_entry = shared->proc_entry, - *iga1_entry = shared->iga1_proc_entry, - *iga2_entry = shared->iga2_proc_entry; + struct proc_dir_entry *viafb_entry = shared->proc_entry; if (!viafb_entry) return; - remove_proc_entry("output_devices", iga2_entry); + remove_proc_entry("output_devices", shared->iga2_proc_entry); remove_proc_entry("iga2", viafb_entry); - remove_proc_entry("output_devices", iga1_entry); + remove_proc_entry("output_devices", shared->iga1_proc_entry); remove_proc_entry("iga1", viafb_entry); remove_proc_entry("supported_output_devices", viafb_entry); diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 408c174..22caf80 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -663,6 +663,12 @@ static int virtballoon_restore(struct virtio_device *vdev) } #endif +static int virtballoon_validate(struct virtio_device *vdev) +{ + __virtio_clear_bit(vdev, VIRTIO_F_IOMMU_PLATFORM); + return 0; +} + static unsigned int features[] = { VIRTIO_BALLOON_F_MUST_TELL_HOST, VIRTIO_BALLOON_F_STATS_VQ, @@ -675,6 +681,7 @@ static struct virtio_driver virtio_balloon_driver = { .driver.name = KBUILD_MODNAME, .driver.owner = THIS_MODULE, .id_table = id_table, + .validate = virtballoon_validate, .probe = virtballoon_probe, .remove = virtballoon_remove, .config_changed = virtballoon_changed, diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index 7a92a5e..feca75b 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -362,8 +362,8 @@ static int mmap_batch_fn(void *data, int nr, void *state) st->global_error = 1; } } - st->va += PAGE_SIZE * nr; - st->index += nr; + st->va += XEN_PAGE_SIZE * nr; + st->index += nr / XEN_PFN_PER_PAGE; return 0; } diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c index 734cbf8..dd9f1be 100644 --- a/fs/autofs4/dev-ioctl.c +++ b/fs/autofs4/dev-ioctl.c @@ -344,7 +344,7 @@ static int autofs_dev_ioctl_fail(struct file *fp, int status; token = (autofs_wqt_t) param->fail.token; - status = param->fail.status ? param->fail.status : -ENOENT; + status = param->fail.status < 0 ? param->fail.status : -ENOENT; return autofs4_wait_release(sbi, token, status); } diff --git a/fs/block_dev.c b/fs/block_dev.c index 519599d..0a7404e 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -263,7 +263,10 @@ __blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter, kfree(vecs); if (unlikely(bio.bi_error)) - return bio.bi_error; + ret = bio.bi_error; + + bio_uninit(&bio); + return ret; } diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 643c70d..4f8f75d 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -2563,7 +2563,7 @@ u64 btrfs_csum_bytes_to_leaves(struct btrfs_fs_info *fs_info, u64 csum_bytes); static inline u64 btrfs_calc_trans_metadata_size(struct btrfs_fs_info *fs_info, unsigned num_items) { - return fs_info->nodesize * BTRFS_MAX_LEVEL * 2 * num_items; + return (u64)fs_info->nodesize * BTRFS_MAX_LEVEL * 2 * num_items; } /* @@ -2573,7 +2573,7 @@ static inline u64 btrfs_calc_trans_metadata_size(struct btrfs_fs_info *fs_info, static inline u64 btrfs_calc_trunc_metadata_size(struct btrfs_fs_info *fs_info, unsigned num_items) { - return fs_info->nodesize * BTRFS_MAX_LEVEL * num_items; + return (u64)fs_info->nodesize * BTRFS_MAX_LEVEL * num_items; } int btrfs_should_throttle_delayed_refs(struct btrfs_trans_handle *trans, diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c index 60a7506..c24d615 100644 --- a/fs/btrfs/dir-item.c +++ b/fs/btrfs/dir-item.c @@ -468,7 +468,7 @@ int verify_dir_item(struct btrfs_fs_info *fs_info, if (btrfs_dir_name_len(leaf, dir_item) > namelen) { btrfs_crit(fs_info, "invalid dir item name len: %u", - (unsigned)btrfs_dir_data_len(leaf, dir_item)); + (unsigned)btrfs_dir_name_len(leaf, dir_item)); return 1; } diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 8685d67..5f678dc 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3467,10 +3467,12 @@ static int write_dev_supers(struct btrfs_device *device, * we fua the first super. The others we allow * to go down lazy. */ - if (i == 0) - ret = btrfsic_submit_bh(REQ_OP_WRITE, REQ_FUA, bh); - else + if (i == 0) { + ret = btrfsic_submit_bh(REQ_OP_WRITE, + REQ_SYNC | REQ_FUA, bh); + } else { ret = btrfsic_submit_bh(REQ_OP_WRITE, REQ_SYNC, bh); + } if (ret) errors++; } @@ -3535,7 +3537,7 @@ static int write_dev_flush(struct btrfs_device *device, int wait) bio->bi_end_io = btrfs_end_empty_barrier; bio->bi_bdev = device->bdev; - bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH; + bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH; init_completion(&device->flush_wait); bio->bi_private = &device->flush_wait; device->flush_bio = bio; diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index e390451..33d979e 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3993,6 +3993,7 @@ static int update_space_info(struct btrfs_fs_info *info, u64 flags, info->space_info_kobj, "%s", alloc_name(found->flags)); if (ret) { + percpu_counter_destroy(&found->total_bytes_pinned); kfree(found); return ret; } @@ -4844,7 +4845,7 @@ static int may_commit_transaction(struct btrfs_fs_info *fs_info, spin_unlock(&delayed_rsv->lock); commit: - trans = btrfs_join_transaction(fs_info->fs_root); + trans = btrfs_join_transaction(fs_info->extent_root); if (IS_ERR(trans)) return -ENOSPC; @@ -4862,7 +4863,7 @@ static int flush_space(struct btrfs_fs_info *fs_info, struct btrfs_space_info *space_info, u64 num_bytes, u64 orig_bytes, int state) { - struct btrfs_root *root = fs_info->fs_root; + struct btrfs_root *root = fs_info->extent_root; struct btrfs_trans_handle *trans; int nr; int ret = 0; @@ -5062,7 +5063,7 @@ static void priority_reclaim_metadata_space(struct btrfs_fs_info *fs_info, int flush_state = FLUSH_DELAYED_ITEMS_NR; spin_lock(&space_info->lock); - to_reclaim = btrfs_calc_reclaim_metadata_size(fs_info->fs_root, + to_reclaim = btrfs_calc_reclaim_metadata_size(fs_info->extent_root, space_info); if (!to_reclaim) { spin_unlock(&space_info->lock); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index d8da3ed..d3619e0 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -2458,7 +2458,7 @@ void end_extent_writepage(struct page *page, int err, u64 start, u64 end) if (!uptodate) { ClearPageUptodate(page); SetPageError(page); - ret = ret < 0 ? ret : -EIO; + ret = err < 0 ? err : -EIO; mapping_set_error(page->mapping, ret); } } @@ -4377,6 +4377,123 @@ static struct extent_map *get_extent_skip_holes(struct inode *inode, return NULL; } +/* + * To cache previous fiemap extent + * + * Will be used for merging fiemap extent + */ +struct fiemap_cache { + u64 offset; + u64 phys; + u64 len; + u32 flags; + bool cached; +}; + +/* + * Helper to submit fiemap extent. + * + * Will try to merge current fiemap extent specified by @offset, @phys, + * @len and @flags with cached one. + * And only when we fails to merge, cached one will be submitted as + * fiemap extent. + * + * Return value is the same as fiemap_fill_next_extent(). + */ +static int emit_fiemap_extent(struct fiemap_extent_info *fieinfo, + struct fiemap_cache *cache, + u64 offset, u64 phys, u64 len, u32 flags) +{ + int ret = 0; + + if (!cache->cached) + goto assign; + + /* + * Sanity check, extent_fiemap() should have ensured that new + * fiemap extent won't overlap with cahced one. + * Not recoverable. + * + * NOTE: Physical address can overlap, due to compression + */ + if (cache->offset + cache->len > offset) { + WARN_ON(1); + return -EINVAL; + } + + /* + * Only merges fiemap extents if + * 1) Their logical addresses are continuous + * + * 2) Their physical addresses are continuous + * So truly compressed (physical size smaller than logical size) + * extents won't get merged with each other + * + * 3) Share same flags except FIEMAP_EXTENT_LAST + * So regular extent won't get merged with prealloc extent + */ + if (cache->offset + cache->len == offset && + cache->phys + cache->len == phys && + (cache->flags & ~FIEMAP_EXTENT_LAST) == + (flags & ~FIEMAP_EXTENT_LAST)) { + cache->len += len; + cache->flags |= flags; + goto try_submit_last; + } + + /* Not mergeable, need to submit cached one */ + ret = fiemap_fill_next_extent(fieinfo, cache->offset, cache->phys, + cache->len, cache->flags); + cache->cached = false; + if (ret) + return ret; +assign: + cache->cached = true; + cache->offset = offset; + cache->phys = phys; + cache->len = len; + cache->flags = flags; +try_submit_last: + if (cache->flags & FIEMAP_EXTENT_LAST) { + ret = fiemap_fill_next_extent(fieinfo, cache->offset, + cache->phys, cache->len, cache->flags); + cache->cached = false; + } + return ret; +} + +/* + * Sanity check for fiemap cache + * + * All fiemap cache should be submitted by emit_fiemap_extent() + * Iteration should be terminated either by last fiemap extent or + * fieinfo->fi_extents_max. + * So no cached fiemap should exist. + */ +static int check_fiemap_cache(struct btrfs_fs_info *fs_info, + struct fiemap_extent_info *fieinfo, + struct fiemap_cache *cache) +{ + int ret; + + if (!cache->cached) + return 0; + + /* Small and recoverbale problem, only to info developer */ +#ifdef CONFIG_BTRFS_DEBUG + WARN_ON(1); +#endif + btrfs_warn(fs_info, + "unhandled fiemap cache detected: offset=%llu phys=%llu len=%llu flags=0x%x", + cache->offset, cache->phys, cache->len, cache->flags); + ret = fiemap_fill_next_extent(fieinfo, cache->offset, cache->phys, + cache->len, cache->flags); + cache->cached = false; + if (ret > 0) + ret = 0; + return ret; +} + int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, __u64 start, __u64 len, get_extent_t *get_extent) { @@ -4394,6 +4511,7 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, struct extent_state *cached_state = NULL; struct btrfs_path *path; struct btrfs_root *root = BTRFS_I(inode)->root; + struct fiemap_cache cache = { 0 }; int end = 0; u64 em_start = 0; u64 em_len = 0; @@ -4573,8 +4691,8 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, flags |= FIEMAP_EXTENT_LAST; end = 1; } - ret = fiemap_fill_next_extent(fieinfo, em_start, disko, - em_len, flags); + ret = emit_fiemap_extent(fieinfo, &cache, em_start, disko, + em_len, flags); if (ret) { if (ret == 1) ret = 0; @@ -4582,6 +4700,8 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, } } out_free: + if (!ret) + ret = check_fiemap_cache(root->fs_info, fieinfo, &cache); free_extent_map(em); out: btrfs_free_path(path); diff --git a/fs/btrfs/hash.c b/fs/btrfs/hash.c index a97fdc1..baacc18 100644 --- a/fs/btrfs/hash.c +++ b/fs/btrfs/hash.c @@ -38,6 +38,7 @@ u32 btrfs_crc32c(u32 crc, const void *address, unsigned int length) { SHASH_DESC_ON_STACK(shash, tfm); u32 *ctx = (u32 *)shash_desc_ctx(shash); + u32 retval; int err; shash->tfm = tfm; @@ -47,5 +48,7 @@ u32 btrfs_crc32c(u32 crc, const void *address, unsigned int length) err = crypto_shash_update(shash, address, length); BUG_ON(err); - return *ctx; + retval = *ctx; + barrier_data(ctx); + return retval; } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 17cbe93..ef3c98c 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -2952,7 +2952,7 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent) ret = test_range_bit(io_tree, ordered_extent->file_offset, ordered_extent->file_offset + ordered_extent->len - 1, - EXTENT_DEFRAG, 1, cached_state); + EXTENT_DEFRAG, 0, cached_state); if (ret) { u64 last_snapshot = btrfs_root_last_snapshot(&root->root_item); if (0 && last_snapshot >= BTRFS_I(inode)->generation) @@ -7483,8 +7483,8 @@ bool btrfs_page_exists_in_range(struct inode *inode, loff_t start, loff_t end) int found = false; void **pagep = NULL; struct page *page = NULL; - int start_idx; - int end_idx; + unsigned long start_idx; + unsigned long end_idx; start_idx = start >> PAGE_SHIFT; diff --git a/fs/ceph/acl.c b/fs/ceph/acl.c index 987044b..59cb307 100644 --- a/fs/ceph/acl.c +++ b/fs/ceph/acl.c @@ -131,6 +131,7 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type) } if (new_mode != old_mode) { + newattrs.ia_ctime = current_time(inode); newattrs.ia_mode = new_mode; newattrs.ia_valid = ATTR_MODE; ret = __ceph_setattr(inode, &newattrs); diff --git a/fs/ceph/export.c b/fs/ceph/export.c index e8f11fa..7df550c 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -91,6 +91,10 @@ static struct dentry *__fh_to_dentry(struct super_block *sb, u64 ino) ceph_mdsc_put_request(req); if (!inode) return ERR_PTR(-ESTALE); + if (inode->i_nlink == 0) { + iput(inode); + return ERR_PTR(-ESTALE); + } } return d_obtain_alias(inode); diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index dcce79b..4de6cdd 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -2022,7 +2022,6 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) attr->ia_size > inode->i_size) { i_size_write(inode, attr->ia_size); inode->i_blocks = calc_inode_blocks(attr->ia_size); - inode->i_ctime = attr->ia_ctime; ci->i_reported_size = attr->ia_size; dirtied |= CEPH_CAP_FILE_EXCL; } else if ((issued & CEPH_CAP_FILE_SHARED) == 0 || @@ -2044,7 +2043,6 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) inode->i_ctime.tv_sec, inode->i_ctime.tv_nsec, attr->ia_ctime.tv_sec, attr->ia_ctime.tv_nsec, only ? "ctime only" : "ignored"); - inode->i_ctime = attr->ia_ctime; if (only) { /* * if kernel wants to dirty ctime but nothing else, @@ -2067,7 +2065,7 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) if (dirtied) { inode_dirty_flags = __ceph_mark_dirty_caps(ci, dirtied, &prealloc_cf); - inode->i_ctime = current_time(inode); + inode->i_ctime = attr->ia_ctime; } release &= issued; @@ -2085,6 +2083,7 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) req->r_inode_drop = release; req->r_args.setattr.mask = cpu_to_le32(mask); req->r_num_caps = 1; + req->r_stamp = attr->ia_ctime; err = ceph_mdsc_do_request(mdsc, NULL, req); } dout("setattr %p result=%d (%s locally, %d remote)\n", inode, err, diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index f38e56f..0c05df4 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1687,7 +1687,6 @@ struct ceph_mds_request * ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode) { struct ceph_mds_request *req = kzalloc(sizeof(*req), GFP_NOFS); - struct timespec ts; if (!req) return ERR_PTR(-ENOMEM); @@ -1706,8 +1705,7 @@ ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode) init_completion(&req->r_safe_completion); INIT_LIST_HEAD(&req->r_unsafe_item); - ktime_get_real_ts(&ts); - req->r_stamp = timespec_trunc(ts, mdsc->fsc->sb->s_time_gran); + req->r_stamp = timespec_trunc(current_kernel_time(), mdsc->fsc->sb->s_time_gran); req->r_op = op; req->r_direct_mode = mode; diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 0fd081b..fcef706 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -3271,7 +3271,7 @@ ssize_t cifs_user_readv(struct kiocb *iocb, struct iov_iter *to) if (!is_sync_kiocb(iocb)) ctx->iocb = iocb; - if (to->type & ITER_IOVEC) + if (to->type == ITER_IOVEC) ctx->should_dirty = true; rc = setup_aio_ctx_iter(ctx, to, READ); diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c index b085319..3b147dc 100644 --- a/fs/cifs/misc.c +++ b/fs/cifs/misc.c @@ -810,7 +810,7 @@ setup_aio_ctx_iter(struct cifs_aio_ctx *ctx, struct iov_iter *iter, int rw) if (!pages) { pages = vmalloc(max_pages * sizeof(struct page *)); - if (!bv) { + if (!pages) { kvfree(bv); return -ENOMEM; } diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c index 27bc360..a723df3 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c @@ -849,8 +849,13 @@ cifs_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, struct cifs_fid *fid, __u16 search_flags, struct cifs_search_info *srch_inf) { - return CIFSFindFirst(xid, tcon, path, cifs_sb, - &fid->netfid, search_flags, srch_inf, true); + int rc; + + rc = CIFSFindFirst(xid, tcon, path, cifs_sb, + &fid->netfid, search_flags, srch_inf, true); + if (rc) + cifs_dbg(FYI, "find first failed=%d\n", rc); + return rc; } static int diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index c586918..7e48561 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -982,7 +982,7 @@ smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL); kfree(utf16_path); if (rc) { - cifs_dbg(VFS, "open dir failed\n"); + cifs_dbg(FYI, "open dir failed rc=%d\n", rc); return rc; } @@ -992,7 +992,7 @@ smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, rc = SMB2_query_directory(xid, tcon, fid->persistent_fid, fid->volatile_fid, 0, srch_inf); if (rc) { - cifs_dbg(VFS, "query directory failed\n"); + cifs_dbg(FYI, "query directory failed rc=%d\n", rc); SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); } return rc; @@ -1809,7 +1809,8 @@ crypt_message(struct TCP_Server_Info *server, struct smb_rqst *rqst, int enc) sg = init_sg(rqst, sign); if (!sg) { - cifs_dbg(VFS, "%s: Failed to init sg %d", __func__, rc); + cifs_dbg(VFS, "%s: Failed to init sg", __func__); + rc = -ENOMEM; goto free_req; } @@ -1817,6 +1818,7 @@ crypt_message(struct TCP_Server_Info *server, struct smb_rqst *rqst, int enc) iv = kzalloc(iv_len, GFP_KERNEL); if (!iv) { cifs_dbg(VFS, "%s: Failed to alloc IV", __func__); + rc = -ENOMEM; goto free_sg; } iv[0] = 3; diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c index 3cb5c9e..de50e74 100644 --- a/fs/cifs/xattr.c +++ b/fs/cifs/xattr.c @@ -188,8 +188,6 @@ static int cifs_creation_time_get(struct dentry *dentry, struct inode *inode, pcreatetime = (__u64 *)value; *pcreatetime = CIFS_I(inode)->createtime; return sizeof(__u64); - - return rc; } diff --git a/fs/configfs/item.c b/fs/configfs/item.c index 8b2a994..a66f662 100644 --- a/fs/configfs/item.c +++ b/fs/configfs/item.c @@ -138,6 +138,14 @@ struct config_item *config_item_get(struct config_item *item) } EXPORT_SYMBOL(config_item_get); +struct config_item *config_item_get_unless_zero(struct config_item *item) +{ + if (item && kref_get_unless_zero(&item->ci_kref)) + return item; + return NULL; +} +EXPORT_SYMBOL(config_item_get_unless_zero); + static void config_item_cleanup(struct config_item *item) { struct config_item_type *t = item->ci_type; diff --git a/fs/configfs/symlink.c b/fs/configfs/symlink.c index a6ab012..c8aabba 100644 --- a/fs/configfs/symlink.c +++ b/fs/configfs/symlink.c @@ -83,14 +83,13 @@ static int create_link(struct config_item *parent_item, ret = -ENOMEM; sl = kmalloc(sizeof(struct configfs_symlink), GFP_KERNEL); if (sl) { - sl->sl_target = config_item_get(item); spin_lock(&configfs_dirent_lock); if (target_sd->s_type & CONFIGFS_USET_DROPPING) { spin_unlock(&configfs_dirent_lock); - config_item_put(item); kfree(sl); return -ENOENT; } + sl->sl_target = config_item_get(item); list_add(&sl->sl_list, &target_sd->s_links); spin_unlock(&configfs_dirent_lock); ret = configfs_create_link(sl, parent_item->ci_dentry, @@ -859,6 +859,7 @@ int dax_writeback_mapping_range(struct address_space *mapping, if (ret < 0) goto out; } + start_index = indices[pvec.nr - 1] + 1; } out: put_dax(dax_dev); @@ -1155,6 +1156,17 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf, } /* + * It is possible, particularly with mixed reads & writes to private + * mappings, that we have raced with a PMD fault that overlaps with + * the PTE we need to set up. If so just return and the fault will be + * retried. + */ + if (pmd_trans_huge(*vmf->pmd) || pmd_devmap(*vmf->pmd)) { + vmf_ret = VM_FAULT_NOPAGE; + goto unlock_entry; + } + + /* * Note that we don't bother to use iomap_apply here: DAX required * the file system block size to be equal the page size, which means * that we never have to deal with more than a single extent here. @@ -1398,6 +1410,18 @@ static int dax_iomap_pmd_fault(struct vm_fault *vmf, goto fallback; /* + * It is possible, particularly with mixed reads & writes to private + * mappings, that we have raced with a PTE fault that overlaps with + * the PMD we need to set up. If so just return and the fault will be + * retried. + */ + if (!pmd_none(*vmf->pmd) && !pmd_trans_huge(*vmf->pmd) && + !pmd_devmap(*vmf->pmd)) { + result = 0; + goto unlock_entry; + } + + /* * Note that we don't use iomap_apply here. We aren't doing I/O, only * setting up a mapping, so really we're using iomap_begin() as a way * to look up our filesystem block. diff --git a/fs/dcache.c b/fs/dcache.c index cddf397..a9f995f 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -1494,7 +1494,7 @@ static void check_and_drop(void *_data) { struct detach_data *data = _data; - if (!data->mountpoint && !data->select.found) + if (!data->mountpoint && list_empty(&data->select.dispose)) __d_drop(data->select.start); } @@ -1536,17 +1536,15 @@ void d_invalidate(struct dentry *dentry) d_walk(dentry, &data, detach_and_collect, check_and_drop); - if (data.select.found) + if (!list_empty(&data.select.dispose)) shrink_dentry_list(&data.select.dispose); + else if (!data.mountpoint) + return; if (data.mountpoint) { detach_mounts(data.mountpoint); dput(data.mountpoint); } - - if (!data.mountpoint && !data.select.found) - break; - cond_resched(); } } @@ -220,8 +220,26 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos, if (write) { unsigned long size = bprm->vma->vm_end - bprm->vma->vm_start; + unsigned long ptr_size; struct rlimit *rlim; + /* + * Since the stack will hold pointers to the strings, we + * must account for them as well. + * + * The size calculation is the entire vma while each arg page is + * built, so each time we get here it's calculating how far it + * is currently (rather than each call being just the newly + * added size from the arg page). As a result, we need to + * always add the entire size of the pointers, so that on the + * last call to get_arg_page() we'll actually have the entire + * correct size. + */ + ptr_size = (bprm->argc + bprm->envc) * sizeof(void *); + if (ptr_size > ULONG_MAX - size) + goto fail; + size += ptr_size; + acct_arg_size(bprm, size / PAGE_SIZE); /* @@ -239,13 +257,15 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos, * to work from. */ rlim = current->signal->rlim; - if (size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur) / 4) { - put_page(page); - return NULL; - } + if (size > READ_ONCE(rlim[RLIMIT_STACK].rlim_cur) / 4) + goto fail; } return page; + +fail: + put_page(page); + return NULL; } static void put_arg_page(struct page *page) diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c index fd38993..3ec0e46 100644 --- a/fs/ext4/acl.c +++ b/fs/ext4/acl.c @@ -4,6 +4,7 @@ * Copyright (C) 2001-2003 Andreas Gruenbacher, <agruen@suse.de> */ +#include <linux/quotaops.h> #include "ext4_jbd2.h" #include "ext4.h" #include "xattr.h" @@ -232,6 +233,9 @@ ext4_set_acl(struct inode *inode, struct posix_acl *acl, int type) handle_t *handle; int error, retries = 0; + error = dquot_initialize(inode); + if (error) + return error; retry: handle = ext4_journal_start(inode, EXT4_HT_XATTR, ext4_jbd2_credits_xattr(inode)); diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 8e80461..3219154 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2523,7 +2523,6 @@ extern int ext4_search_dir(struct buffer_head *bh, int buf_size, struct inode *dir, struct ext4_filename *fname, - const struct qstr *d_name, unsigned int offset, struct ext4_dir_entry_2 **res_dir); extern int ext4_generic_delete_entry(handle_t *handle, @@ -3007,7 +3006,6 @@ extern int htree_inlinedir_to_tree(struct file *dir_file, int *has_inline_data); extern struct buffer_head *ext4_find_inline_entry(struct inode *dir, struct ext4_filename *fname, - const struct qstr *d_name, struct ext4_dir_entry_2 **res_dir, int *has_inline_data); extern int ext4_delete_inline_entry(handle_t *handle, diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 2a97dff..3e36508 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3413,13 +3413,13 @@ static int ext4_ext_convert_to_initialized(handle_t *handle, struct ext4_sb_info *sbi; struct ext4_extent_header *eh; struct ext4_map_blocks split_map; - struct ext4_extent zero_ex; + struct ext4_extent zero_ex1, zero_ex2; struct ext4_extent *ex, *abut_ex; ext4_lblk_t ee_block, eof_block; unsigned int ee_len, depth, map_len = map->m_len; int allocated = 0, max_zeroout = 0; int err = 0; - int split_flag = 0; + int split_flag = EXT4_EXT_DATA_VALID2; ext_debug("ext4_ext_convert_to_initialized: inode %lu, logical" "block %llu, max_blocks %u\n", inode->i_ino, @@ -3436,7 +3436,8 @@ static int ext4_ext_convert_to_initialized(handle_t *handle, ex = path[depth].p_ext; ee_block = le32_to_cpu(ex->ee_block); ee_len = ext4_ext_get_actual_len(ex); - zero_ex.ee_len = 0; + zero_ex1.ee_len = 0; + zero_ex2.ee_len = 0; trace_ext4_ext_convert_to_initialized_enter(inode, map, ex); @@ -3576,62 +3577,52 @@ static int ext4_ext_convert_to_initialized(handle_t *handle, if (ext4_encrypted_inode(inode)) max_zeroout = 0; - /* If extent is less than s_max_zeroout_kb, zeroout directly */ - if (max_zeroout && (ee_len <= max_zeroout)) { - err = ext4_ext_zeroout(inode, ex); - if (err) - goto out; - zero_ex.ee_block = ex->ee_block; - zero_ex.ee_len = cpu_to_le16(ext4_ext_get_actual_len(ex)); - ext4_ext_store_pblock(&zero_ex, ext4_ext_pblock(ex)); - - err = ext4_ext_get_access(handle, inode, path + depth); - if (err) - goto out; - ext4_ext_mark_initialized(ex); - ext4_ext_try_to_merge(handle, inode, path, ex); - err = ext4_ext_dirty(handle, inode, path + path->p_depth); - goto out; - } - /* - * four cases: + * five cases: * 1. split the extent into three extents. - * 2. split the extent into two extents, zeroout the first half. - * 3. split the extent into two extents, zeroout the second half. + * 2. split the extent into two extents, zeroout the head of the first + * extent. + * 3. split the extent into two extents, zeroout the tail of the second + * extent. * 4. split the extent into two extents with out zeroout. + * 5. no splitting needed, just possibly zeroout the head and / or the + * tail of the extent. */ split_map.m_lblk = map->m_lblk; split_map.m_len = map->m_len; - if (max_zeroout && (allocated > map->m_len)) { + if (max_zeroout && (allocated > split_map.m_len)) { if (allocated <= max_zeroout) { - /* case 3 */ - zero_ex.ee_block = - cpu_to_le32(map->m_lblk); - zero_ex.ee_len = cpu_to_le16(allocated); - ext4_ext_store_pblock(&zero_ex, - ext4_ext_pblock(ex) + map->m_lblk - ee_block); - err = ext4_ext_zeroout(inode, &zero_ex); + /* case 3 or 5 */ + zero_ex1.ee_block = + cpu_to_le32(split_map.m_lblk + + split_map.m_len); + zero_ex1.ee_len = + cpu_to_le16(allocated - split_map.m_len); + ext4_ext_store_pblock(&zero_ex1, + ext4_ext_pblock(ex) + split_map.m_lblk + + split_map.m_len - ee_block); + err = ext4_ext_zeroout(inode, &zero_ex1); if (err) goto out; - split_map.m_lblk = map->m_lblk; split_map.m_len = allocated; - } else if (map->m_lblk - ee_block + map->m_len < max_zeroout) { - /* case 2 */ - if (map->m_lblk != ee_block) { - zero_ex.ee_block = ex->ee_block; - zero_ex.ee_len = cpu_to_le16(map->m_lblk - + } + if (split_map.m_lblk - ee_block + split_map.m_len < + max_zeroout) { + /* case 2 or 5 */ + if (split_map.m_lblk != ee_block) { + zero_ex2.ee_block = ex->ee_block; + zero_ex2.ee_len = cpu_to_le16(split_map.m_lblk - ee_block); - ext4_ext_store_pblock(&zero_ex, + ext4_ext_store_pblock(&zero_ex2, ext4_ext_pblock(ex)); - err = ext4_ext_zeroout(inode, &zero_ex); + err = ext4_ext_zeroout(inode, &zero_ex2); if (err) goto out; } + split_map.m_len += split_map.m_lblk - ee_block; split_map.m_lblk = ee_block; - split_map.m_len = map->m_lblk - ee_block + map->m_len; allocated = map->m_len; } } @@ -3642,8 +3633,11 @@ static int ext4_ext_convert_to_initialized(handle_t *handle, err = 0; out: /* If we have gotten a failure, don't zero out status tree */ - if (!err) - err = ext4_zeroout_es(inode, &zero_ex); + if (!err) { + err = ext4_zeroout_es(inode, &zero_ex1); + if (!err) + err = ext4_zeroout_es(inode, &zero_ex2); + } return err ? err : allocated; } @@ -4883,6 +4877,8 @@ static long ext4_zero_range(struct file *file, loff_t offset, /* Zero out partial block at the edges of the range */ ret = ext4_zero_partial_blocks(handle, inode, offset, len); + if (ret >= 0) + ext4_update_inode_fsync_trans(handle, inode, 1); if (file->f_flags & O_SYNC) ext4_handle_sync(handle); @@ -5569,6 +5565,7 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len) ext4_handle_sync(handle); inode->i_mtime = inode->i_ctime = current_time(inode); ext4_mark_inode_dirty(handle, inode); + ext4_update_inode_fsync_trans(handle, inode, 1); out_stop: ext4_journal_stop(handle); @@ -5742,6 +5739,8 @@ int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len) up_write(&EXT4_I(inode)->i_data_sem); if (IS_SYNC(inode)) ext4_handle_sync(handle); + if (ret >= 0) + ext4_update_inode_fsync_trans(handle, inode, 1); out_stop: ext4_journal_stop(handle); diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 831fd6b..02ce7e7 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -474,57 +474,37 @@ static int ext4_find_unwritten_pgoff(struct inode *inode, endoff = (loff_t)end_blk << blkbits; index = startoff >> PAGE_SHIFT; - end = endoff >> PAGE_SHIFT; + end = (endoff - 1) >> PAGE_SHIFT; pagevec_init(&pvec, 0); do { int i, num; unsigned long nr_pages; - num = min_t(pgoff_t, end - index, PAGEVEC_SIZE); + num = min_t(pgoff_t, end - index, PAGEVEC_SIZE - 1) + 1; nr_pages = pagevec_lookup(&pvec, inode->i_mapping, index, (pgoff_t)num); - if (nr_pages == 0) { - if (whence == SEEK_DATA) - break; - - BUG_ON(whence != SEEK_HOLE); - /* - * If this is the first time to go into the loop and - * offset is not beyond the end offset, it will be a - * hole at this offset - */ - if (lastoff == startoff || lastoff < endoff) - found = 1; - break; - } - - /* - * If this is the first time to go into the loop and - * offset is smaller than the first page offset, it will be a - * hole at this offset. - */ - if (lastoff == startoff && whence == SEEK_HOLE && - lastoff < page_offset(pvec.pages[0])) { - found = 1; + if (nr_pages == 0) break; - } for (i = 0; i < nr_pages; i++) { struct page *page = pvec.pages[i]; struct buffer_head *bh, *head; /* - * If the current offset is not beyond the end of given - * range, it will be a hole. + * If current offset is smaller than the page offset, + * there is a hole at this offset. */ - if (lastoff < endoff && whence == SEEK_HOLE && - page->index > end) { + if (whence == SEEK_HOLE && lastoff < endoff && + lastoff < page_offset(pvec.pages[i])) { found = 1; *offset = lastoff; goto out; } + if (page->index > end) + goto out; + lock_page(page); if (unlikely(page->mapping != inode->i_mapping)) { @@ -564,20 +544,18 @@ static int ext4_find_unwritten_pgoff(struct inode *inode, unlock_page(page); } - /* - * The no. of pages is less than our desired, that would be a - * hole in there. - */ - if (nr_pages < num && whence == SEEK_HOLE) { - found = 1; - *offset = lastoff; + /* The no. of pages is less than our desired, we are done. */ + if (nr_pages < num) break; - } index = pvec.pages[i - 1]->index + 1; pagevec_release(&pvec); } while (index <= end); + if (whence == SEEK_HOLE && lastoff < endoff) { + found = 1; + *offset = lastoff; + } out: pagevec_release(&pvec); return found; diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index d5dea4c..8d141c0 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -1627,7 +1627,6 @@ out: struct buffer_head *ext4_find_inline_entry(struct inode *dir, struct ext4_filename *fname, - const struct qstr *d_name, struct ext4_dir_entry_2 **res_dir, int *has_inline_data) { @@ -1649,7 +1648,7 @@ struct buffer_head *ext4_find_inline_entry(struct inode *dir, EXT4_INLINE_DOTDOT_SIZE; inline_size = EXT4_MIN_INLINE_DATA_SIZE - EXT4_INLINE_DOTDOT_SIZE; ret = ext4_search_dir(iloc.bh, inline_start, inline_size, - dir, fname, d_name, 0, res_dir); + dir, fname, 0, res_dir); if (ret == 1) goto out_find; if (ret < 0) @@ -1662,7 +1661,7 @@ struct buffer_head *ext4_find_inline_entry(struct inode *dir, inline_size = ext4_get_inline_size(dir) - EXT4_MIN_INLINE_DATA_SIZE; ret = ext4_search_dir(iloc.bh, inline_start, inline_size, - dir, fname, d_name, 0, res_dir); + dir, fname, 0, res_dir); if (ret == 1) goto out_find; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 1bd0bfa..5cf82d0 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2124,15 +2124,29 @@ static int ext4_writepage(struct page *page, static int mpage_submit_page(struct mpage_da_data *mpd, struct page *page) { int len; - loff_t size = i_size_read(mpd->inode); + loff_t size; int err; BUG_ON(page->index != mpd->first_page); + clear_page_dirty_for_io(page); + /* + * We have to be very careful here! Nothing protects writeback path + * against i_size changes and the page can be writeably mapped into + * page tables. So an application can be growing i_size and writing + * data through mmap while writeback runs. clear_page_dirty_for_io() + * write-protects our page in page tables and the page cannot get + * written to again until we release page lock. So only after + * clear_page_dirty_for_io() we are safe to sample i_size for + * ext4_bio_write_page() to zero-out tail of the written page. We rely + * on the barrier provided by TestClearPageDirty in + * clear_page_dirty_for_io() to make sure i_size is really sampled only + * after page tables are updated. + */ + size = i_size_read(mpd->inode); if (page->index == size >> PAGE_SHIFT) len = size & ~PAGE_MASK; else len = PAGE_SIZE; - clear_page_dirty_for_io(page); err = ext4_bio_write_page(&mpd->io_submit, page, len, mpd->wbc, false); if (!err) mpd->wbc->nr_to_write--; @@ -3629,9 +3643,6 @@ static ssize_t ext4_direct_IO_write(struct kiocb *iocb, struct iov_iter *iter) get_block_func = ext4_dio_get_block_unwritten_async; dio_flags = DIO_LOCKING; } -#ifdef CONFIG_EXT4_FS_ENCRYPTION - BUG_ON(ext4_encrypted_inode(inode) && S_ISREG(inode->i_mode)); -#endif ret = __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev, iter, get_block_func, ext4_end_io_dio, NULL, dio_flags); @@ -3713,7 +3724,7 @@ static ssize_t ext4_direct_IO_read(struct kiocb *iocb, struct iov_iter *iter) */ inode_lock_shared(inode); ret = filemap_write_and_wait_range(mapping, iocb->ki_pos, - iocb->ki_pos + count); + iocb->ki_pos + count - 1); if (ret) goto out_unlock; ret = __blockdev_direct_IO(iocb, inode, inode->i_sb->s_bdev, @@ -4207,6 +4218,8 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length) inode->i_mtime = inode->i_ctime = current_time(inode); ext4_mark_inode_dirty(handle, inode); + if (ret >= 0) + ext4_update_inode_fsync_trans(handle, inode, 1); out_stop: ext4_journal_stop(handle); out_dio: @@ -5637,8 +5650,9 @@ static int ext4_expand_extra_isize(struct inode *inode, /* No extended attributes present */ if (!ext4_test_inode_state(inode, EXT4_STATE_XATTR) || header->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC)) { - memset((void *)raw_inode + EXT4_GOOD_OLD_INODE_SIZE, 0, - new_extra_isize); + memset((void *)raw_inode + EXT4_GOOD_OLD_INODE_SIZE + + EXT4_I(inode)->i_extra_isize, 0, + new_extra_isize - EXT4_I(inode)->i_extra_isize); EXT4_I(inode)->i_extra_isize = new_extra_isize; return 0; } diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 5083bce2..b7928cd 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -3887,7 +3887,8 @@ ext4_mb_discard_group_preallocations(struct super_block *sb, err = ext4_mb_load_buddy(sb, group, &e4b); if (err) { - ext4_error(sb, "Error loading buddy information for %u", group); + ext4_warning(sb, "Error %d loading buddy information for %u", + err, group); put_bh(bitmap_bh); return 0; } @@ -4044,10 +4045,11 @@ repeat: BUG_ON(pa->pa_type != MB_INODE_PA); group = ext4_get_group_number(sb, pa->pa_pstart); - err = ext4_mb_load_buddy(sb, group, &e4b); + err = ext4_mb_load_buddy_gfp(sb, group, &e4b, + GFP_NOFS|__GFP_NOFAIL); if (err) { - ext4_error(sb, "Error loading buddy information for %u", - group); + ext4_error(sb, "Error %d loading buddy information for %u", + err, group); continue; } @@ -4303,11 +4305,14 @@ ext4_mb_discard_lg_preallocations(struct super_block *sb, spin_unlock(&lg->lg_prealloc_lock); list_for_each_entry_safe(pa, tmp, &discard_list, u.pa_tmp_list) { + int err; group = ext4_get_group_number(sb, pa->pa_pstart); - if (ext4_mb_load_buddy(sb, group, &e4b)) { - ext4_error(sb, "Error loading buddy information for %u", - group); + err = ext4_mb_load_buddy_gfp(sb, group, &e4b, + GFP_NOFS|__GFP_NOFAIL); + if (err) { + ext4_error(sb, "Error %d loading buddy information for %u", + err, group); continue; } ext4_lock_group(sb, group); @@ -5127,8 +5132,8 @@ ext4_trim_all_free(struct super_block *sb, ext4_group_t group, ret = ext4_mb_load_buddy(sb, group, &e4b); if (ret) { - ext4_error(sb, "Error in loading buddy " - "information for %u", group); + ext4_warning(sb, "Error %d loading buddy information for %u", + ret, group); return ret; } bitmap = e4b.bd_bitmap; diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index b81f7d4..404256c 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1155,12 +1155,11 @@ errout: static inline int search_dirblock(struct buffer_head *bh, struct inode *dir, struct ext4_filename *fname, - const struct qstr *d_name, unsigned int offset, struct ext4_dir_entry_2 **res_dir) { return ext4_search_dir(bh, bh->b_data, dir->i_sb->s_blocksize, dir, - fname, d_name, offset, res_dir); + fname, offset, res_dir); } /* @@ -1262,7 +1261,6 @@ static inline bool ext4_match(const struct ext4_filename *fname, */ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size, struct inode *dir, struct ext4_filename *fname, - const struct qstr *d_name, unsigned int offset, struct ext4_dir_entry_2 **res_dir) { struct ext4_dir_entry_2 * de; @@ -1355,7 +1353,7 @@ static struct buffer_head * ext4_find_entry (struct inode *dir, if (ext4_has_inline_data(dir)) { int has_inline_data = 1; - ret = ext4_find_inline_entry(dir, &fname, d_name, res_dir, + ret = ext4_find_inline_entry(dir, &fname, res_dir, &has_inline_data); if (has_inline_data) { if (inlined) @@ -1447,7 +1445,7 @@ restart: goto next; } set_buffer_verified(bh); - i = search_dirblock(bh, dir, &fname, d_name, + i = search_dirblock(bh, dir, &fname, block << EXT4_BLOCK_SIZE_BITS(sb), res_dir); if (i == 1) { EXT4_I(dir)->i_dir_start_lookup = block; @@ -1488,7 +1486,6 @@ static struct buffer_head * ext4_dx_find_entry(struct inode *dir, { struct super_block * sb = dir->i_sb; struct dx_frame frames[2], *frame; - const struct qstr *d_name = fname->usr_fname; struct buffer_head *bh; ext4_lblk_t block; int retval; @@ -1505,7 +1502,7 @@ static struct buffer_head * ext4_dx_find_entry(struct inode *dir, if (IS_ERR(bh)) goto errout; - retval = search_dirblock(bh, dir, fname, d_name, + retval = search_dirblock(bh, dir, fname, block << EXT4_BLOCK_SIZE_BITS(sb), res_dir); if (retval == 1) @@ -1530,7 +1527,7 @@ static struct buffer_head * ext4_dx_find_entry(struct inode *dir, bh = NULL; errout: - dxtrace(printk(KERN_DEBUG "%s not found\n", d_name->name)); + dxtrace(printk(KERN_DEBUG "%s not found\n", fname->usr_fname->name)); success: dx_release(frames); return bh; diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 0b177da..d37c81f 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -848,14 +848,9 @@ static inline void ext4_quota_off_umount(struct super_block *sb) { int type; - if (ext4_has_feature_quota(sb)) { - dquot_disable(sb, -1, - DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED); - } else { - /* Use our quota_off function to clear inode flags etc. */ - for (type = 0; type < EXT4_MAXQUOTAS; type++) - ext4_quota_off(sb, type); - } + /* Use our quota_off function to clear inode flags etc. */ + for (type = 0; type < EXT4_MAXQUOTAS; type++) + ext4_quota_off(sb, type); } #else static inline void ext4_quota_off_umount(struct super_block *sb) @@ -1179,6 +1174,9 @@ static int ext4_set_context(struct inode *inode, const void *ctx, size_t len, return res; } + res = dquot_initialize(inode); + if (res) + return res; retry: handle = ext4_journal_start(inode, EXT4_HT_MISC, ext4_jbd2_credits_xattr(inode)); @@ -5485,7 +5483,7 @@ static int ext4_quota_off(struct super_block *sb, int type) goto out; err = dquot_quota_off(sb, type); - if (err) + if (err || ext4_has_feature_quota(sb)) goto out_put; inode_lock(inode); @@ -5505,6 +5503,7 @@ static int ext4_quota_off(struct super_block *sb, int type) out_unlock: inode_unlock(inode); out_put: + lockdep_set_quota_inode(inode, I_DATA_SEM_NORMAL); iput(inode); return err; out: diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 8fb7ce1..5d3c253 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -888,6 +888,8 @@ inserted: else { u32 ref; + WARN_ON_ONCE(dquot_initialize_needed(inode)); + /* The old block is released after updating the inode. */ error = dquot_alloc_block(inode, @@ -954,6 +956,8 @@ inserted: /* We need to allocate a new block */ ext4_fsblk_t goal, block; + WARN_ON_ONCE(dquot_initialize_needed(inode)); + goal = ext4_group_first_block_no(sb, EXT4_I(inode)->i_block_group); @@ -1166,6 +1170,7 @@ ext4_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index, return -EINVAL; if (strlen(name) > 255) return -ERANGE; + ext4_write_lock_xattr(inode, &no_expand); error = ext4_reserve_inode_write(handle, inode, &is.iloc); @@ -1267,6 +1272,9 @@ ext4_xattr_set(struct inode *inode, int name_index, const char *name, int error, retries = 0; int credits = ext4_jbd2_credits_xattr(inode); + error = dquot_initialize(inode); + if (error) + return error; retry: handle = ext4_journal_start(inode, EXT4_HT_XATTR, credits); if (IS_ERR(handle)) { diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 2185c7a..fd2e651 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1078,6 +1078,7 @@ static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, { SHASH_DESC_ON_STACK(shash, sbi->s_chksum_driver); u32 *ctx = (u32 *)shash_desc_ctx(shash); + u32 retval; int err; shash->tfm = sbi->s_chksum_driver; @@ -1087,7 +1088,9 @@ static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, err = crypto_shash_update(shash, address, length); BUG_ON(err); - return *ctx; + retval = *ctx; + barrier_data(ctx); + return retval; } static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index f865b96..d2955da 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -659,7 +659,7 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags) struct gfs2_log_header *lh; unsigned int tail; u32 hash; - int op_flags = REQ_PREFLUSH | REQ_FUA | REQ_META; + int op_flags = REQ_PREFLUSH | REQ_FUA | REQ_META | REQ_SYNC; struct page *page = mempool_alloc(gfs2_page_pool, GFP_NOIO); enum gfs2_freeze_state state = atomic_read(&sdp->sd_freeze_state); lh = page_address(page); diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index dde8613..d44f545 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -200,7 +200,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, addr = ALIGN(addr, huge_page_size(h)); vma = find_vma(mm, addr); if (TASK_SIZE - len >= addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma))) return addr; } diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 9ee4832..2d30a6d 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -680,6 +680,12 @@ int jbd2__journal_restart(handle_t *handle, int nblocks, gfp_t gfp_mask) rwsem_release(&journal->j_trans_commit_map, 1, _THIS_IP_); handle->h_buffer_credits = nblocks; + /* + * Restore the original nofs context because the journal restart + * is basically the same thing as journal stop and start. + * start_this_handle will start a new nofs context. + */ + memalloc_nofs_restore(handle->saved_alloc_context); ret = start_this_handle(journal, handle, gfp_mask); return ret; } diff --git a/fs/namespace.c b/fs/namespace.c index 8bd3e4d..5a44384 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -3488,6 +3488,8 @@ static int mntns_install(struct nsproxy *nsproxy, struct ns_common *ns) return err; } + put_mnt_ns(old_mnt_ns); + /* Update the pwd and root */ set_fs_pwd(fs, &root); set_fs_root(fs, &root); diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index c14758e..390ac9c 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -753,7 +753,6 @@ static void nfs4_callback_free_slot(struct nfs4_session *session, * A single slot, so highest used slotid is either 0 or -1 */ nfs4_free_slot(tbl, slot); - nfs4_slot_tbl_drain_complete(tbl); spin_unlock(&tbl->slot_tbl_lock); } diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 32ccd77..2ac00bf 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1946,29 +1946,6 @@ nfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry) } EXPORT_SYMBOL_GPL(nfs_link); -static void -nfs_complete_rename(struct rpc_task *task, struct nfs_renamedata *data) -{ - struct dentry *old_dentry = data->old_dentry; - struct dentry *new_dentry = data->new_dentry; - struct inode *old_inode = d_inode(old_dentry); - struct inode *new_inode = d_inode(new_dentry); - - nfs_mark_for_revalidate(old_inode); - - switch (task->tk_status) { - case 0: - if (new_inode != NULL) - nfs_drop_nlink(new_inode); - d_move(old_dentry, new_dentry); - nfs_set_verifier(new_dentry, - nfs_save_change_attribute(data->new_dir)); - break; - case -ENOENT: - nfs_dentry_handle_enoent(old_dentry); - } -} - /* * RENAME * FIXME: Some nfsds, like the Linux user space nfsd, may generate a @@ -1999,7 +1976,7 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); - struct dentry *dentry = NULL; + struct dentry *dentry = NULL, *rehash = NULL; struct rpc_task *task; int error = -EBUSY; @@ -2022,8 +1999,10 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, * To prevent any new references to the target during the * rename, we unhash the dentry in advance. */ - if (!d_unhashed(new_dentry)) + if (!d_unhashed(new_dentry)) { d_drop(new_dentry); + rehash = new_dentry; + } if (d_count(new_dentry) > 2) { int err; @@ -2040,6 +2019,7 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, goto out; new_dentry = dentry; + rehash = NULL; new_inode = NULL; } } @@ -2048,8 +2028,7 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (new_inode != NULL) NFS_PROTO(new_inode)->return_delegation(new_inode); - task = nfs_async_rename(old_dir, new_dir, old_dentry, new_dentry, - nfs_complete_rename); + task = nfs_async_rename(old_dir, new_dir, old_dentry, new_dentry, NULL); if (IS_ERR(task)) { error = PTR_ERR(task); goto out; @@ -2059,9 +2038,27 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (error == 0) error = task->tk_status; rpc_put_task(task); + nfs_mark_for_revalidate(old_inode); out: + if (rehash) + d_rehash(rehash); trace_nfs_rename_exit(old_dir, old_dentry, new_dir, new_dentry, error); + if (!error) { + if (new_inode != NULL) + nfs_drop_nlink(new_inode); + /* + * The d_move() should be here instead of in an async RPC completion + * handler because we need the proper locks to move the dentry. If + * we're interrupted by a signal, the async RPC completion handler + * should mark the directories for revalidation. + */ + d_move(old_dentry, new_dentry); + nfs_set_verifier(new_dentry, + nfs_save_change_attribute(new_dir)); + } else if (error == -ENOENT) + nfs_dentry_handle_enoent(old_dentry); + /* new dentry created? */ if (dentry) dput(dentry); diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index f5714ee..23542dc 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -454,6 +454,7 @@ ff_layout_alloc_lseg(struct pnfs_layout_hdr *lh, goto out_err_free; /* fh */ + rc = -EIO; p = xdr_inline_decode(&stream, 4); if (!p) goto out_err_free; diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index e9b4c33..3e24392 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -398,7 +398,6 @@ extern struct file_system_type nfs4_referral_fs_type; bool nfs_auth_info_match(const struct nfs_auth_info *, rpc_authflavor_t); struct dentry *nfs_try_mount(int, const char *, struct nfs_mount_info *, struct nfs_subversion *); -void nfs_initialise_sb(struct super_block *); int nfs_set_sb_security(struct super_block *, struct dentry *, struct nfs_mount_info *); int nfs_clone_sb_security(struct super_block *, struct dentry *, struct nfs_mount_info *); struct dentry *nfs_fs_mount_common(struct nfs_server *, int, const char *, @@ -458,7 +457,6 @@ extern void nfs_read_prepare(struct rpc_task *task, void *calldata); extern void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio); /* super.c */ -void nfs_clone_super(struct super_block *, struct nfs_mount_info *); void nfs_umount_begin(struct super_block *); int nfs_statfs(struct dentry *, struct kstatfs *); int nfs_show_options(struct seq_file *, struct dentry *); diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index 1a224a3..e5686be 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -246,7 +246,7 @@ struct vfsmount *nfs_do_submount(struct dentry *dentry, struct nfs_fh *fh, devname = nfs_devname(dentry, page, PAGE_SIZE); if (IS_ERR(devname)) - mnt = (struct vfsmount *)devname; + mnt = ERR_CAST(devname); else mnt = nfs_do_clone_mount(NFS_SB(dentry->d_sb), devname, &mountdata); diff --git a/fs/nfs/nfs42proc.c b/fs/nfs/nfs42proc.c index 929d09a..319a47d 100644 --- a/fs/nfs/nfs42proc.c +++ b/fs/nfs/nfs42proc.c @@ -177,7 +177,7 @@ static ssize_t _nfs42_proc_copy(struct file *src, if (status) goto out; - if (!nfs_write_verifier_cmp(&res->write_res.verifier.verifier, + if (nfs_write_verifier_cmp(&res->write_res.verifier.verifier, &res->commit_res.verf->verifier)) { status = -EAGAIN; goto out; diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index 692a7a8..66776f0 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -582,7 +582,6 @@ int nfs40_walk_client_list(struct nfs_client *new, */ nfs4_schedule_path_down_recovery(pos); default: - spin_lock(&nn->nfs_client_lock); goto out; } diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index c08c46a..dbfa189 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2589,7 +2589,8 @@ static inline void nfs4_exclusive_attrset(struct nfs4_opendata *opendata, /* Except MODE, it seems harmless of setting twice. */ if (opendata->o_arg.createmode != NFS4_CREATE_EXCLUSIVE && - attrset[1] & FATTR4_WORD1_MODE) + (attrset[1] & FATTR4_WORD1_MODE || + attrset[2] & FATTR4_WORD2_MODE_UMASK)) sattr->ia_valid &= ~ATTR_MODE; if (attrset[2] & FATTR4_WORD2_SECURITY_LABEL) @@ -8416,6 +8417,7 @@ static void nfs4_layoutget_release(void *calldata) size_t max_pages = max_response_pages(server); dprintk("--> %s\n", __func__); + nfs4_sequence_free_slot(&lgp->res.seq_res); nfs4_free_pages(lgp->args.layout.pages, max_pages); pnfs_put_layout_hdr(NFS_I(inode)->layout); put_nfs_open_context(lgp->args.ctx); @@ -8490,7 +8492,6 @@ nfs4_proc_layoutget(struct nfs4_layoutget *lgp, long *timeout, gfp_t gfp_flags) /* if layoutp->len is 0, nfs4_layoutget_prepare called rpc_exit */ if (status == 0 && lgp->res.layoutp->len) lseg = pnfs_layout_process(lgp); - nfs4_sequence_free_slot(&lgp->res.seq_res); rpc_put_task(task); dprintk("<-- %s status=%d\n", __func__, status); if (status) diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index b34de03..cbf82b0 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -2134,6 +2134,8 @@ again: put_rpccred(cred); switch (status) { case 0: + case -EINTR: + case -ERESTARTSYS: break; case -ETIMEDOUT: if (clnt->cl_softrtry) diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index adc6ec2..c383d09 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -2094,12 +2094,26 @@ pnfs_generic_pg_check_layout(struct nfs_pageio_descriptor *pgio) } EXPORT_SYMBOL_GPL(pnfs_generic_pg_check_layout); +/* + * Check for any intersection between the request and the pgio->pg_lseg, + * and if none, put this pgio->pg_lseg away. + */ +static void +pnfs_generic_pg_check_range(struct nfs_pageio_descriptor *pgio, struct nfs_page *req) +{ + if (pgio->pg_lseg && !pnfs_lseg_request_intersecting(pgio->pg_lseg, req)) { + pnfs_put_lseg(pgio->pg_lseg); + pgio->pg_lseg = NULL; + } +} + void pnfs_generic_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *req) { u64 rd_size = req->wb_bytes; pnfs_generic_pg_check_layout(pgio); + pnfs_generic_pg_check_range(pgio, req); if (pgio->pg_lseg == NULL) { if (pgio->pg_dreq == NULL) rd_size = i_size_read(pgio->pg_inode) - req_offset(req); @@ -2131,6 +2145,7 @@ pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *pgio, struct nfs_page *req, u64 wb_size) { pnfs_generic_pg_check_layout(pgio); + pnfs_generic_pg_check_range(pgio, req); if (pgio->pg_lseg == NULL) { pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode, req->wb_context, @@ -2191,16 +2206,10 @@ pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio, seg_end = pnfs_end_offset(pgio->pg_lseg->pls_range.offset, pgio->pg_lseg->pls_range.length); req_start = req_offset(req); - WARN_ON_ONCE(req_start >= seg_end); + /* start of request is past the last byte of this segment */ - if (req_start >= seg_end) { - /* reference the new lseg */ - if (pgio->pg_ops->pg_cleanup) - pgio->pg_ops->pg_cleanup(pgio); - if (pgio->pg_ops->pg_init) - pgio->pg_ops->pg_init(pgio, req); + if (req_start >= seg_end) return 0; - } /* adjust 'size' iff there are fewer bytes left in the * segment than what nfs_generic_pg_test returned */ diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 2d05b75..99731e3 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -593,6 +593,16 @@ pnfs_lseg_range_intersecting(const struct pnfs_layout_range *l1, return pnfs_is_range_intersecting(l1->offset, end1, l2->offset, end2); } +static inline bool +pnfs_lseg_request_intersecting(struct pnfs_layout_segment *lseg, struct nfs_page *req) +{ + u64 seg_last = pnfs_end_offset(lseg->pls_range.offset, lseg->pls_range.length); + u64 req_last = req_offset(req) + req->wb_bytes; + + return pnfs_is_range_intersecting(lseg->pls_range.offset, seg_last, + req_offset(req), req_last); +} + extern unsigned int layoutstats_timer; #ifdef NFS_DEBUG diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 2f3822a..eceb4ea 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2301,7 +2301,7 @@ EXPORT_SYMBOL_GPL(nfs_remount); /* * Initialise the common bits of the superblock */ -inline void nfs_initialise_sb(struct super_block *sb) +static void nfs_initialise_sb(struct super_block *sb) { struct nfs_server *server = NFS_SB(sb); @@ -2348,7 +2348,8 @@ EXPORT_SYMBOL_GPL(nfs_fill_super); /* * Finish setting up a cloned NFS2/3/4 superblock */ -void nfs_clone_super(struct super_block *sb, struct nfs_mount_info *mount_info) +static void nfs_clone_super(struct super_block *sb, + struct nfs_mount_info *mount_info) { const struct super_block *old_sb = mount_info->cloned->sb; struct nfs_server *server = NFS_SB(sb); diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c index 12feac6..4523346 100644 --- a/fs/nfsd/nfs3xdr.c +++ b/fs/nfsd/nfs3xdr.c @@ -334,11 +334,8 @@ nfs3svc_decode_readargs(struct svc_rqst *rqstp, __be32 *p, if (!p) return 0; p = xdr_decode_hyper(p, &args->offset); - args->count = ntohl(*p++); - - if (!xdr_argsize_check(rqstp, p)) - return 0; + args->count = ntohl(*p++); len = min(args->count, max_blocksize); /* set up the kvec */ @@ -352,7 +349,7 @@ nfs3svc_decode_readargs(struct svc_rqst *rqstp, __be32 *p, v++; } args->vlen = v; - return 1; + return xdr_argsize_check(rqstp, p); } int @@ -544,11 +541,9 @@ nfs3svc_decode_readlinkargs(struct svc_rqst *rqstp, __be32 *p, p = decode_fh(p, &args->fh); if (!p) return 0; - if (!xdr_argsize_check(rqstp, p)) - return 0; args->buffer = page_address(*(rqstp->rq_next_page++)); - return 1; + return xdr_argsize_check(rqstp, p); } int @@ -574,14 +569,10 @@ nfs3svc_decode_readdirargs(struct svc_rqst *rqstp, __be32 *p, args->verf = p; p += 2; args->dircount = ~0; args->count = ntohl(*p++); - - if (!xdr_argsize_check(rqstp, p)) - return 0; - args->count = min_t(u32, args->count, PAGE_SIZE); args->buffer = page_address(*(rqstp->rq_next_page++)); - return 1; + return xdr_argsize_check(rqstp, p); } int @@ -599,9 +590,6 @@ nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, __be32 *p, args->dircount = ntohl(*p++); args->count = ntohl(*p++); - if (!xdr_argsize_check(rqstp, p)) - return 0; - len = args->count = min(args->count, max_blocksize); while (len > 0) { struct page *p = *(rqstp->rq_next_page++); @@ -609,7 +597,8 @@ nfs3svc_decode_readdirplusargs(struct svc_rqst *rqstp, __be32 *p, args->buffer = page_address(p); len -= PAGE_SIZE; } - return 1; + + return xdr_argsize_check(rqstp, p); } int diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index c453a19..dadb3bf 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -1769,6 +1769,12 @@ nfsd4_proc_compound(struct svc_rqst *rqstp, opdesc->op_get_currentstateid(cstate, &op->u); op->status = opdesc->op_func(rqstp, cstate, &op->u); + /* Only from SEQUENCE */ + if (cstate->status == nfserr_replay_cache) { + dprintk("%s NFS4.1 replay from cache\n", __func__); + status = op->status; + goto out; + } if (!op->status) { if (opdesc->op_set_currentstateid) opdesc->op_set_currentstateid(cstate, &op->u); @@ -1779,14 +1785,7 @@ nfsd4_proc_compound(struct svc_rqst *rqstp, if (need_wrongsec_check(rqstp)) op->status = check_nfsd_access(current_fh->fh_export, rqstp); } - encode_op: - /* Only from SEQUENCE */ - if (cstate->status == nfserr_replay_cache) { - dprintk("%s NFS4.1 replay from cache\n", __func__); - status = op->status; - goto out; - } if (op->status == nfserr_replay_me) { op->replay = &cstate->replay_owner->so_replay; nfsd4_encode_replay(&resp->xdr, op); diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c index 6a4947a..de07ff6 100644 --- a/fs/nfsd/nfsxdr.c +++ b/fs/nfsd/nfsxdr.c @@ -257,9 +257,6 @@ nfssvc_decode_readargs(struct svc_rqst *rqstp, __be32 *p, len = args->count = ntohl(*p++); p++; /* totalcount - unused */ - if (!xdr_argsize_check(rqstp, p)) - return 0; - len = min_t(unsigned int, len, NFSSVC_MAXBLKSIZE_V2); /* set up somewhere to store response. @@ -275,7 +272,7 @@ nfssvc_decode_readargs(struct svc_rqst *rqstp, __be32 *p, v++; } args->vlen = v; - return 1; + return xdr_argsize_check(rqstp, p); } int @@ -365,11 +362,9 @@ nfssvc_decode_readlinkargs(struct svc_rqst *rqstp, __be32 *p, struct nfsd_readli p = decode_fh(p, &args->fh); if (!p) return 0; - if (!xdr_argsize_check(rqstp, p)) - return 0; args->buffer = page_address(*(rqstp->rq_next_page++)); - return 1; + return xdr_argsize_check(rqstp, p); } int @@ -407,11 +402,9 @@ nfssvc_decode_readdirargs(struct svc_rqst *rqstp, __be32 *p, args->cookie = ntohl(*p++); args->count = ntohl(*p++); args->count = min_t(u32, args->count, PAGE_SIZE); - if (!xdr_argsize_check(rqstp, p)) - return 0; args->buffer = page_address(*(rqstp->rq_next_page++)); - return 1; + return xdr_argsize_check(rqstp, p); } /* diff --git a/fs/ntfs/namei.c b/fs/ntfs/namei.c index 3582583..4690cd7 100644 --- a/fs/ntfs/namei.c +++ b/fs/ntfs/namei.c @@ -159,7 +159,7 @@ static struct dentry *ntfs_lookup(struct inode *dir_ino, struct dentry *dent, PTR_ERR(dent_inode)); kfree(name); /* Return the error code. */ - return (struct dentry *)dent_inode; + return ERR_CAST(dent_inode); } /* It is guaranteed that @name is no longer allocated at this point. */ if (MREF_ERR(mref) == -ENOENT) { diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 3b7c937..4689940 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -2591,6 +2591,10 @@ void ocfs2_inode_unlock_tracker(struct inode *inode, struct ocfs2_lock_res *lockres; lockres = &OCFS2_I(inode)->ip_inode_lockres; + /* had_lock means that the currect process already takes the cluster + * lock previously. If had_lock is 1, we have nothing to do here, and + * it will get unlocked where we got the lock. + */ if (!had_lock) { ocfs2_remove_holder(lockres, oh); ocfs2_inode_unlock(inode, ex); diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c index 827fc98..9f88188 100644 --- a/fs/ocfs2/export.c +++ b/fs/ocfs2/export.c @@ -119,7 +119,7 @@ check_err: if (IS_ERR(inode)) { mlog_errno(PTR_ERR(inode)); - result = (void *)inode; + result = ERR_CAST(inode); goto bail; } diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 3c5384d..f70c377 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1328,20 +1328,21 @@ static int ocfs2_xattr_get(struct inode *inode, void *buffer, size_t buffer_size) { - int ret; + int ret, had_lock; struct buffer_head *di_bh = NULL; + struct ocfs2_lock_holder oh; - ret = ocfs2_inode_lock(inode, &di_bh, 0); - if (ret < 0) { - mlog_errno(ret); - return ret; + had_lock = ocfs2_inode_lock_tracker(inode, &di_bh, 0, &oh); + if (had_lock < 0) { + mlog_errno(had_lock); + return had_lock; } down_read(&OCFS2_I(inode)->ip_xattr_sem); ret = ocfs2_xattr_get_nolock(inode, di_bh, name_index, name, buffer, buffer_size); up_read(&OCFS2_I(inode)->ip_xattr_sem); - ocfs2_inode_unlock(inode, 0); + ocfs2_inode_unlock_tracker(inode, 0, &oh, had_lock); brelse(di_bh); @@ -3537,11 +3538,12 @@ int ocfs2_xattr_set(struct inode *inode, { struct buffer_head *di_bh = NULL; struct ocfs2_dinode *di; - int ret, credits, ref_meta = 0, ref_credits = 0; + int ret, credits, had_lock, ref_meta = 0, ref_credits = 0; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct inode *tl_inode = osb->osb_tl_inode; struct ocfs2_xattr_set_ctxt ctxt = { NULL, NULL, NULL, }; struct ocfs2_refcount_tree *ref_tree = NULL; + struct ocfs2_lock_holder oh; struct ocfs2_xattr_info xi = { .xi_name_index = name_index, @@ -3572,8 +3574,9 @@ int ocfs2_xattr_set(struct inode *inode, return -ENOMEM; } - ret = ocfs2_inode_lock(inode, &di_bh, 1); - if (ret < 0) { + had_lock = ocfs2_inode_lock_tracker(inode, &di_bh, 1, &oh); + if (had_lock < 0) { + ret = had_lock; mlog_errno(ret); goto cleanup_nolock; } @@ -3670,7 +3673,7 @@ cleanup: if (ret) mlog_errno(ret); } - ocfs2_inode_unlock(inode, 1); + ocfs2_inode_unlock_tracker(inode, 1, &oh, had_lock); cleanup_nolock: brelse(di_bh); brelse(xbs.xattr_bh); diff --git a/fs/overlayfs/Kconfig b/fs/overlayfs/Kconfig index 0daac51..c0c9683 100644 --- a/fs/overlayfs/Kconfig +++ b/fs/overlayfs/Kconfig @@ -1,5 +1,6 @@ config OVERLAY_FS tristate "Overlay filesystem support" + select EXPORTFS help An overlay filesystem combines two filesystems - an 'upper' filesystem and a 'lower' filesystem. When a name exists in both filesystems, the diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index 9008ab9..a2a6512 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -300,7 +300,11 @@ static int ovl_set_origin(struct dentry *dentry, struct dentry *lower, return PTR_ERR(fh); } - err = ovl_do_setxattr(upper, OVL_XATTR_ORIGIN, fh, fh ? fh->len : 0, 0); + /* + * Do not fail when upper doesn't support xattrs. + */ + err = ovl_check_setxattr(dentry, upper, OVL_XATTR_ORIGIN, fh, + fh ? fh->len : 0, 0); kfree(fh); return err; @@ -326,15 +330,9 @@ static int ovl_copy_up_locked(struct dentry *workdir, struct dentry *upperdir, .link = link }; - upper = lookup_one_len(dentry->d_name.name, upperdir, - dentry->d_name.len); - err = PTR_ERR(upper); - if (IS_ERR(upper)) - goto out; - err = security_inode_copy_up(dentry, &new_creds); if (err < 0) - goto out1; + goto out; if (new_creds) old_creds = override_creds(new_creds); @@ -342,13 +340,14 @@ static int ovl_copy_up_locked(struct dentry *workdir, struct dentry *upperdir, if (tmpfile) temp = ovl_do_tmpfile(upperdir, stat->mode); else - temp = ovl_lookup_temp(workdir, dentry); - err = PTR_ERR(temp); - if (IS_ERR(temp)) - goto out1; - + temp = ovl_lookup_temp(workdir); err = 0; - if (!tmpfile) + if (IS_ERR(temp)) { + err = PTR_ERR(temp); + temp = NULL; + } + + if (!err && !tmpfile) err = ovl_create_real(wdir, temp, &cattr, NULL, true); if (new_creds) { @@ -357,7 +356,7 @@ static int ovl_copy_up_locked(struct dentry *workdir, struct dentry *upperdir, } if (err) - goto out2; + goto out; if (S_ISREG(stat->mode)) { struct path upperpath; @@ -393,10 +392,23 @@ static int ovl_copy_up_locked(struct dentry *workdir, struct dentry *upperdir, /* * Store identifier of lower inode in upper inode xattr to * allow lookup of the copy up origin inode. + * + * Don't set origin when we are breaking the association with a lower + * hard link. */ - err = ovl_set_origin(dentry, lowerpath->dentry, temp); - if (err) + if (S_ISDIR(stat->mode) || stat->nlink == 1) { + err = ovl_set_origin(dentry, lowerpath->dentry, temp); + if (err) + goto out_cleanup; + } + + upper = lookup_one_len(dentry->d_name.name, upperdir, + dentry->d_name.len); + if (IS_ERR(upper)) { + err = PTR_ERR(upper); + upper = NULL; goto out_cleanup; + } if (tmpfile) err = ovl_do_link(temp, udir, upper, true); @@ -411,17 +423,15 @@ static int ovl_copy_up_locked(struct dentry *workdir, struct dentry *upperdir, /* Restore timestamps on parent (best effort) */ ovl_set_timestamps(upperdir, pstat); -out2: +out: dput(temp); -out1: dput(upper); -out: return err; out_cleanup: if (!tmpfile) ovl_cleanup(wdir, temp); - goto out2; + goto out; } /* @@ -454,6 +464,11 @@ static int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry, ovl_path_upper(parent, &parentpath); upperdir = parentpath.dentry; + /* Mark parent "impure" because it may now contain non-pure upper */ + err = ovl_set_impure(parent, upperdir); + if (err) + return err; + err = vfs_getattr(&parentpath, &pstat, STATX_ATIME | STATX_MTIME, AT_STATX_SYNC_AS_STAT); if (err) diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c index 723b98b..a63a716 100644 --- a/fs/overlayfs/dir.c +++ b/fs/overlayfs/dir.c @@ -41,7 +41,7 @@ void ovl_cleanup(struct inode *wdir, struct dentry *wdentry) } } -struct dentry *ovl_lookup_temp(struct dentry *workdir, struct dentry *dentry) +struct dentry *ovl_lookup_temp(struct dentry *workdir) { struct dentry *temp; char name[20]; @@ -68,7 +68,7 @@ static struct dentry *ovl_whiteout(struct dentry *workdir, struct dentry *whiteout; struct inode *wdir = workdir->d_inode; - whiteout = ovl_lookup_temp(workdir, dentry); + whiteout = ovl_lookup_temp(workdir); if (IS_ERR(whiteout)) return whiteout; @@ -127,17 +127,28 @@ int ovl_create_real(struct inode *dir, struct dentry *newdentry, return err; } -static int ovl_set_opaque(struct dentry *dentry, struct dentry *upperdentry) +static int ovl_set_opaque_xerr(struct dentry *dentry, struct dentry *upper, + int xerr) { int err; - err = ovl_do_setxattr(upperdentry, OVL_XATTR_OPAQUE, "y", 1, 0); + err = ovl_check_setxattr(dentry, upper, OVL_XATTR_OPAQUE, "y", 1, xerr); if (!err) ovl_dentry_set_opaque(dentry); return err; } +static int ovl_set_opaque(struct dentry *dentry, struct dentry *upperdentry) +{ + /* + * Fail with -EIO when trying to create opaque dir and upper doesn't + * support xattrs. ovl_rename() calls ovl_set_opaque_xerr(-EXDEV) to + * return a specific error for noxattr case. + */ + return ovl_set_opaque_xerr(dentry, upperdentry, -EIO); +} + /* Common operations required to be done after creation of file on upper */ static void ovl_instantiate(struct dentry *dentry, struct inode *inode, struct dentry *newdentry, bool hardlink) @@ -162,6 +173,11 @@ static bool ovl_type_merge(struct dentry *dentry) return OVL_TYPE_MERGE(ovl_path_type(dentry)); } +static bool ovl_type_origin(struct dentry *dentry) +{ + return OVL_TYPE_ORIGIN(ovl_path_type(dentry)); +} + static int ovl_create_upper(struct dentry *dentry, struct inode *inode, struct cattr *attr, struct dentry *hardlink) { @@ -250,7 +266,7 @@ static struct dentry *ovl_clear_empty(struct dentry *dentry, if (upper->d_parent->d_inode != udir) goto out_unlock; - opaquedir = ovl_lookup_temp(workdir, dentry); + opaquedir = ovl_lookup_temp(workdir); err = PTR_ERR(opaquedir); if (IS_ERR(opaquedir)) goto out_unlock; @@ -382,7 +398,7 @@ static int ovl_create_over_whiteout(struct dentry *dentry, struct inode *inode, if (err) goto out; - newdentry = ovl_lookup_temp(workdir, dentry); + newdentry = ovl_lookup_temp(workdir); err = PTR_ERR(newdentry); if (IS_ERR(newdentry)) goto out_unlock; @@ -846,18 +862,16 @@ static int ovl_set_redirect(struct dentry *dentry, bool samedir) if (IS_ERR(redirect)) return PTR_ERR(redirect); - err = ovl_do_setxattr(ovl_dentry_upper(dentry), OVL_XATTR_REDIRECT, - redirect, strlen(redirect), 0); + err = ovl_check_setxattr(dentry, ovl_dentry_upper(dentry), + OVL_XATTR_REDIRECT, + redirect, strlen(redirect), -EXDEV); if (!err) { spin_lock(&dentry->d_lock); ovl_dentry_set_redirect(dentry, redirect); spin_unlock(&dentry->d_lock); } else { kfree(redirect); - if (err == -EOPNOTSUPP) - ovl_clear_redirect_dir(dentry->d_sb); - else - pr_warn_ratelimited("overlay: failed to set redirect (%i)\n", err); + pr_warn_ratelimited("overlay: failed to set redirect (%i)\n", err); /* Fall back to userspace copy-up */ err = -EXDEV; } @@ -943,6 +957,25 @@ static int ovl_rename(struct inode *olddir, struct dentry *old, old_upperdir = ovl_dentry_upper(old->d_parent); new_upperdir = ovl_dentry_upper(new->d_parent); + if (!samedir) { + /* + * When moving a merge dir or non-dir with copy up origin into + * a new parent, we are marking the new parent dir "impure". + * When ovl_iterate() iterates an "impure" upper dir, it will + * lookup the origin inodes of the entries to fill d_ino. + */ + if (ovl_type_origin(old)) { + err = ovl_set_impure(new->d_parent, new_upperdir); + if (err) + goto out_revert_creds; + } + if (!overwrite && ovl_type_origin(new)) { + err = ovl_set_impure(old->d_parent, old_upperdir); + if (err) + goto out_revert_creds; + } + } + trap = lock_rename(new_upperdir, old_upperdir); olddentry = lookup_one_len(old->d_name.name, old_upperdir, @@ -992,7 +1025,7 @@ static int ovl_rename(struct inode *olddir, struct dentry *old, if (ovl_type_merge_or_lower(old)) err = ovl_set_redirect(old, samedir); else if (!old_opaque && ovl_type_merge(new->d_parent)) - err = ovl_set_opaque(old, olddentry); + err = ovl_set_opaque_xerr(old, olddentry, -EXDEV); if (err) goto out_dput; } @@ -1000,7 +1033,7 @@ static int ovl_rename(struct inode *olddir, struct dentry *old, if (ovl_type_merge_or_lower(new)) err = ovl_set_redirect(new, samedir); else if (!new_opaque && ovl_type_merge(old->d_parent)) - err = ovl_set_opaque(new, newdentry); + err = ovl_set_opaque_xerr(new, newdentry, -EXDEV); if (err) goto out_dput; } diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index ad9547f..d613e2c 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -240,6 +240,16 @@ int ovl_xattr_get(struct dentry *dentry, const char *name, return res; } +static bool ovl_can_list(const char *s) +{ + /* List all non-trusted xatts */ + if (strncmp(s, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN) != 0) + return true; + + /* Never list trusted.overlay, list other trusted for superuser only */ + return !ovl_is_private_xattr(s) && capable(CAP_SYS_ADMIN); +} + ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size) { struct dentry *realdentry = ovl_dentry_real(dentry); @@ -263,7 +273,7 @@ ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size) return -EIO; len -= slen; - if (ovl_is_private_xattr(s)) { + if (!ovl_can_list(s)) { res -= slen; memmove(s, s + slen, len); } else { diff --git a/fs/overlayfs/namei.c b/fs/overlayfs/namei.c index bad0f66..f3136c3 100644 --- a/fs/overlayfs/namei.c +++ b/fs/overlayfs/namei.c @@ -169,17 +169,7 @@ invalid: static bool ovl_is_opaquedir(struct dentry *dentry) { - int res; - char val; - - if (!d_is_dir(dentry)) - return false; - - res = vfs_getxattr(dentry, OVL_XATTR_OPAQUE, &val, 1); - if (res == 1 && val == 'y') - return true; - - return false; + return ovl_check_dir_xattr(dentry, OVL_XATTR_OPAQUE); } static int ovl_lookup_single(struct dentry *base, struct ovl_lookup_data *d, @@ -351,6 +341,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, unsigned int ctr = 0; struct inode *inode = NULL; bool upperopaque = false; + bool upperimpure = false; char *upperredirect = NULL; struct dentry *this; unsigned int i; @@ -395,6 +386,8 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, poe = roe; } upperopaque = d.opaque; + if (upperdentry && d.is_dir) + upperimpure = ovl_is_impuredir(upperdentry); } if (!d.stop && poe->numlower) { @@ -463,6 +456,7 @@ struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry, revert_creds(old_cred); oe->opaque = upperopaque; + oe->impure = upperimpure; oe->redirect = upperredirect; oe->__upperdentry = upperdentry; memcpy(oe->lowerstack, stack, sizeof(struct path) * ctr); diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index caa36cb..0623cebe 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -24,6 +24,7 @@ enum ovl_path_type { #define OVL_XATTR_OPAQUE OVL_XATTR_PREFIX "opaque" #define OVL_XATTR_REDIRECT OVL_XATTR_PREFIX "redirect" #define OVL_XATTR_ORIGIN OVL_XATTR_PREFIX "origin" +#define OVL_XATTR_IMPURE OVL_XATTR_PREFIX "impure" /* * The tuple (fh,uuid) is a universal unique identifier for a copy up origin, @@ -203,10 +204,10 @@ struct dentry *ovl_dentry_real(struct dentry *dentry); struct ovl_dir_cache *ovl_dir_cache(struct dentry *dentry); void ovl_set_dir_cache(struct dentry *dentry, struct ovl_dir_cache *cache); bool ovl_dentry_is_opaque(struct dentry *dentry); +bool ovl_dentry_is_impure(struct dentry *dentry); bool ovl_dentry_is_whiteout(struct dentry *dentry); void ovl_dentry_set_opaque(struct dentry *dentry); bool ovl_redirect_dir(struct super_block *sb); -void ovl_clear_redirect_dir(struct super_block *sb); const char *ovl_dentry_get_redirect(struct dentry *dentry); void ovl_dentry_set_redirect(struct dentry *dentry, const char *redirect); void ovl_dentry_update(struct dentry *dentry, struct dentry *upperdentry); @@ -219,6 +220,17 @@ bool ovl_is_whiteout(struct dentry *dentry); struct file *ovl_path_open(struct path *path, int flags); int ovl_copy_up_start(struct dentry *dentry); void ovl_copy_up_end(struct dentry *dentry); +bool ovl_check_dir_xattr(struct dentry *dentry, const char *name); +int ovl_check_setxattr(struct dentry *dentry, struct dentry *upperdentry, + const char *name, const void *value, size_t size, + int xerr); +int ovl_set_impure(struct dentry *dentry, struct dentry *upperdentry); + +static inline bool ovl_is_impuredir(struct dentry *dentry) +{ + return ovl_check_dir_xattr(dentry, OVL_XATTR_IMPURE); +} + /* namei.c */ int ovl_path_next(int idx, struct dentry *dentry, struct path *path); @@ -263,7 +275,7 @@ static inline void ovl_copyattr(struct inode *from, struct inode *to) /* dir.c */ extern const struct inode_operations ovl_dir_inode_operations; -struct dentry *ovl_lookup_temp(struct dentry *workdir, struct dentry *dentry); +struct dentry *ovl_lookup_temp(struct dentry *workdir); struct cattr { dev_t rdev; umode_t mode; diff --git a/fs/overlayfs/ovl_entry.h b/fs/overlayfs/ovl_entry.h index b2023ddb..34bc4a9 100644 --- a/fs/overlayfs/ovl_entry.h +++ b/fs/overlayfs/ovl_entry.h @@ -28,6 +28,7 @@ struct ovl_fs { /* creds of process who forced instantiation of super block */ const struct cred *creator_cred; bool tmpfile; + bool noxattr; wait_queue_head_t copyup_wq; /* sb common to all layers */ struct super_block *same_sb; @@ -42,6 +43,7 @@ struct ovl_entry { u64 version; const char *redirect; bool opaque; + bool impure; bool copying; }; struct rcu_head rcu; diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index 9828b7d..4882ffb 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -891,6 +891,19 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) dput(temp); else pr_warn("overlayfs: upper fs does not support tmpfile.\n"); + + /* + * Check if upper/work fs supports trusted.overlay.* + * xattr + */ + err = ovl_do_setxattr(ufs->workdir, OVL_XATTR_OPAQUE, + "0", 1, 0); + if (err) { + ufs->noxattr = true; + pr_warn("overlayfs: upper fs does not support xattr.\n"); + } else { + vfs_removexattr(ufs->workdir, OVL_XATTR_OPAQUE); + } } } @@ -961,7 +974,10 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) path_put(&workpath); kfree(lowertmp); - oe->__upperdentry = upperpath.dentry; + if (upperpath.dentry) { + oe->__upperdentry = upperpath.dentry; + oe->impure = ovl_is_impuredir(upperpath.dentry); + } for (i = 0; i < numlower; i++) { oe->lowerstack[i].dentry = stack[i].dentry; oe->lowerstack[i].mnt = ufs->lower_mnt[i]; diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c index cfdea47..8090489 100644 --- a/fs/overlayfs/util.c +++ b/fs/overlayfs/util.c @@ -175,6 +175,13 @@ bool ovl_dentry_is_opaque(struct dentry *dentry) return oe->opaque; } +bool ovl_dentry_is_impure(struct dentry *dentry) +{ + struct ovl_entry *oe = dentry->d_fsdata; + + return oe->impure; +} + bool ovl_dentry_is_whiteout(struct dentry *dentry) { return !dentry->d_inode && ovl_dentry_is_opaque(dentry); @@ -191,14 +198,7 @@ bool ovl_redirect_dir(struct super_block *sb) { struct ovl_fs *ofs = sb->s_fs_info; - return ofs->config.redirect_dir; -} - -void ovl_clear_redirect_dir(struct super_block *sb) -{ - struct ovl_fs *ofs = sb->s_fs_info; - - ofs->config.redirect_dir = false; + return ofs->config.redirect_dir && !ofs->noxattr; } const char *ovl_dentry_get_redirect(struct dentry *dentry) @@ -303,3 +303,59 @@ void ovl_copy_up_end(struct dentry *dentry) wake_up_locked(&ofs->copyup_wq); spin_unlock(&ofs->copyup_wq.lock); } + +bool ovl_check_dir_xattr(struct dentry *dentry, const char *name) +{ + int res; + char val; + + if (!d_is_dir(dentry)) + return false; + + res = vfs_getxattr(dentry, name, &val, 1); + if (res == 1 && val == 'y') + return true; + + return false; +} + +int ovl_check_setxattr(struct dentry *dentry, struct dentry *upperdentry, + const char *name, const void *value, size_t size, + int xerr) +{ + int err; + struct ovl_fs *ofs = dentry->d_sb->s_fs_info; + + if (ofs->noxattr) + return xerr; + + err = ovl_do_setxattr(upperdentry, name, value, size, 0); + + if (err == -EOPNOTSUPP) { + pr_warn("overlayfs: cannot set %s xattr on upper\n", name); + ofs->noxattr = true; + return xerr; + } + + return err; +} + +int ovl_set_impure(struct dentry *dentry, struct dentry *upperdentry) +{ + int err; + struct ovl_entry *oe = dentry->d_fsdata; + + if (oe->impure) + return 0; + + /* + * Do not fail when upper doesn't support xattrs. + * Upper inodes won't have origin nor redirect xattr anyway. + */ + err = ovl_check_setxattr(dentry, upperdentry, OVL_XATTR_IMPURE, + "y", 1, 0); + if (!err) + oe->impure = true; + + return err; +} diff --git a/fs/proc/base.c b/fs/proc/base.c index 45f6bf6..f1e1927 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -821,7 +821,7 @@ static ssize_t mem_rw(struct file *file, char __user *buf, if (!mmget_not_zero(mm)) goto free; - flags = write ? FOLL_WRITE : 0; + flags = FOLL_FORCE | (write ? FOLL_WRITE : 0); while (count > 0) { int this_len = min_t(int, count, PAGE_SIZE); diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index f0c8b33..520802d 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -300,11 +300,7 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid) /* We don't show the stack guard page in /proc/maps */ start = vma->vm_start; - if (stack_guard_page_start(vma, start)) - start += PAGE_SIZE; end = vma->vm_end; - if (stack_guard_page_end(vma, end)) - end -= PAGE_SIZE; seq_setwidth(m, 25 + sizeof(void *) * 6 - 1); seq_printf(m, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu ", diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index ebf80c7..48813ae 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -1512,6 +1512,22 @@ int dquot_initialize(struct inode *inode) } EXPORT_SYMBOL(dquot_initialize); +bool dquot_initialize_needed(struct inode *inode) +{ + struct dquot **dquots; + int i; + + if (!dquot_active(inode)) + return false; + + dquots = i_dquot(inode); + for (i = 0; i < MAXQUOTAS; i++) + if (!dquots[i] && sb_has_quota_active(inode->i_sb, i)) + return true; + return false; +} +EXPORT_SYMBOL(dquot_initialize_needed); + /* * Release all quotas referenced by inode. * diff --git a/fs/read_write.c b/fs/read_write.c index 47c1d44..19d4d88 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -1285,7 +1285,7 @@ static size_t compat_writev(struct file *file, if (!(file->f_mode & FMODE_CAN_WRITE)) goto out; - ret = compat_do_readv_writev(WRITE, file, vec, vlen, pos, 0); + ret = compat_do_readv_writev(WRITE, file, vec, vlen, pos, flags); out: if (ret > 0) diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c index da01f49..39bb1e8 100644 --- a/fs/reiserfs/journal.c +++ b/fs/reiserfs/journal.c @@ -1112,7 +1112,7 @@ static int flush_commit_list(struct super_block *s, depth = reiserfs_write_unlock_nested(s); if (reiserfs_barrier_flush(s)) __sync_dirty_buffer(jl->j_commit_bh, - REQ_PREFLUSH | REQ_FUA); + REQ_SYNC | REQ_PREFLUSH | REQ_FUA); else sync_dirty_buffer(jl->j_commit_bh); reiserfs_write_lock_nested(s, depth); @@ -1271,7 +1271,7 @@ static int _update_journal_header_block(struct super_block *sb, if (reiserfs_barrier_flush(sb)) __sync_dirty_buffer(journal->j_header_bh, - REQ_PREFLUSH | REQ_FUA); + REQ_SYNC | REQ_PREFLUSH | REQ_FUA); else sync_dirty_buffer(journal->j_header_bh); @@ -672,6 +672,7 @@ void __inode_add_bytes(struct inode *inode, loff_t bytes) inode->i_bytes -= 512; } } +EXPORT_SYMBOL(__inode_add_bytes); void inode_add_bytes(struct inode *inode, loff_t bytes) { diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c index a0376a2..f80be4c 100644 --- a/fs/ufs/balloc.c +++ b/fs/ufs/balloc.c @@ -82,7 +82,8 @@ void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count) ufs_error (sb, "ufs_free_fragments", "bit already cleared for fragment %u", i); } - + + inode_sub_bytes(inode, count << uspi->s_fshift); fs32_add(sb, &ucg->cg_cs.cs_nffree, count); uspi->cs_total.cs_nffree += count; fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, count); @@ -184,6 +185,7 @@ do_more: ufs_error(sb, "ufs_free_blocks", "freeing free fragment"); } ubh_setblock(UCPI_UBH(ucpi), ucpi->c_freeoff, blkno); + inode_sub_bytes(inode, uspi->s_fpb << uspi->s_fshift); if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD) ufs_clusteracct (sb, ucpi, blkno, 1); @@ -398,10 +400,12 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment, /* * There is not enough space for user on the device */ - if (!capable(CAP_SYS_RESOURCE) && ufs_freespace(uspi, UFS_MINFREE) <= 0) { - mutex_unlock(&UFS_SB(sb)->s_lock); - UFSD("EXIT (FAILED)\n"); - return 0; + if (unlikely(ufs_freefrags(uspi) <= uspi->s_root_blocks)) { + if (!capable(CAP_SYS_RESOURCE)) { + mutex_unlock(&UFS_SB(sb)->s_lock); + UFSD("EXIT (FAILED)\n"); + return 0; + } } if (goal >= uspi->s_size) @@ -419,12 +423,12 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment, if (result) { ufs_clear_frags(inode, result + oldcount, newcount - oldcount, locked_page != NULL); + *err = 0; write_seqlock(&UFS_I(inode)->meta_lock); ufs_cpu_to_data_ptr(sb, p, result); - write_sequnlock(&UFS_I(inode)->meta_lock); - *err = 0; UFS_I(inode)->i_lastfrag = max(UFS_I(inode)->i_lastfrag, fragment + count); + write_sequnlock(&UFS_I(inode)->meta_lock); } mutex_unlock(&UFS_SB(sb)->s_lock); UFSD("EXIT, result %llu\n", (unsigned long long)result); @@ -437,8 +441,10 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment, result = ufs_add_fragments(inode, tmp, oldcount, newcount); if (result) { *err = 0; + read_seqlock_excl(&UFS_I(inode)->meta_lock); UFS_I(inode)->i_lastfrag = max(UFS_I(inode)->i_lastfrag, fragment + count); + read_sequnlock_excl(&UFS_I(inode)->meta_lock); ufs_clear_frags(inode, result + oldcount, newcount - oldcount, locked_page != NULL); mutex_unlock(&UFS_SB(sb)->s_lock); @@ -449,39 +455,29 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment, /* * allocate new block and move data */ - switch (fs32_to_cpu(sb, usb1->fs_optim)) { - case UFS_OPTSPACE: + if (fs32_to_cpu(sb, usb1->fs_optim) == UFS_OPTSPACE) { request = newcount; - if (uspi->s_minfree < 5 || uspi->cs_total.cs_nffree - > uspi->s_dsize * uspi->s_minfree / (2 * 100)) - break; - usb1->fs_optim = cpu_to_fs32(sb, UFS_OPTTIME); - break; - default: - usb1->fs_optim = cpu_to_fs32(sb, UFS_OPTTIME); - - case UFS_OPTTIME: + if (uspi->cs_total.cs_nffree < uspi->s_space_to_time) + usb1->fs_optim = cpu_to_fs32(sb, UFS_OPTTIME); + } else { request = uspi->s_fpb; - if (uspi->cs_total.cs_nffree < uspi->s_dsize * - (uspi->s_minfree - 2) / 100) - break; - usb1->fs_optim = cpu_to_fs32(sb, UFS_OPTTIME); - break; + if (uspi->cs_total.cs_nffree > uspi->s_time_to_space) + usb1->fs_optim = cpu_to_fs32(sb, UFS_OPTSPACE); } result = ufs_alloc_fragments (inode, cgno, goal, request, err); if (result) { ufs_clear_frags(inode, result + oldcount, newcount - oldcount, locked_page != NULL); + mutex_unlock(&UFS_SB(sb)->s_lock); ufs_change_blocknr(inode, fragment - oldcount, oldcount, uspi->s_sbbase + tmp, uspi->s_sbbase + result, locked_page); + *err = 0; write_seqlock(&UFS_I(inode)->meta_lock); ufs_cpu_to_data_ptr(sb, p, result); - write_sequnlock(&UFS_I(inode)->meta_lock); - *err = 0; UFS_I(inode)->i_lastfrag = max(UFS_I(inode)->i_lastfrag, fragment + count); - mutex_unlock(&UFS_SB(sb)->s_lock); + write_sequnlock(&UFS_I(inode)->meta_lock); if (newcount < request) ufs_free_fragments (inode, result + newcount, request - newcount); ufs_free_fragments (inode, tmp, oldcount); @@ -494,6 +490,20 @@ u64 ufs_new_fragments(struct inode *inode, void *p, u64 fragment, return 0; } +static bool try_add_frags(struct inode *inode, unsigned frags) +{ + unsigned size = frags * i_blocksize(inode); + spin_lock(&inode->i_lock); + __inode_add_bytes(inode, size); + if (unlikely((u32)inode->i_blocks != inode->i_blocks)) { + __inode_sub_bytes(inode, size); + spin_unlock(&inode->i_lock); + return false; + } + spin_unlock(&inode->i_lock); + return true; +} + static u64 ufs_add_fragments(struct inode *inode, u64 fragment, unsigned oldcount, unsigned newcount) { @@ -530,6 +540,9 @@ static u64 ufs_add_fragments(struct inode *inode, u64 fragment, for (i = oldcount; i < newcount; i++) if (ubh_isclr (UCPI_UBH(ucpi), ucpi->c_freeoff, fragno + i)) return 0; + + if (!try_add_frags(inode, count)) + return 0; /* * Block can be extended */ @@ -647,6 +660,7 @@ cg_found: ubh_setbit (UCPI_UBH(ucpi), ucpi->c_freeoff, goal + i); i = uspi->s_fpb - count; + inode_sub_bytes(inode, i << uspi->s_fshift); fs32_add(sb, &ucg->cg_cs.cs_nffree, i); uspi->cs_total.cs_nffree += i; fs32_add(sb, &UFS_SB(sb)->fs_cs(cgno).cs_nffree, i); @@ -657,6 +671,8 @@ cg_found: result = ufs_bitmap_search (sb, ucpi, goal, allocsize); if (result == INVBLOCK) return 0; + if (!try_add_frags(inode, count)) + return 0; for (i = 0; i < count; i++) ubh_clrbit (UCPI_UBH(ucpi), ucpi->c_freeoff, result + i); @@ -716,6 +732,8 @@ norot: return INVBLOCK; ucpi->c_rotor = result; gotit: + if (!try_add_frags(inode, uspi->s_fpb)) + return 0; blkno = ufs_fragstoblks(result); ubh_clrblock (UCPI_UBH(ucpi), ucpi->c_freeoff, blkno); if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD) diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c index 7e41aee..f36d6a5 100644 --- a/fs/ufs/inode.c +++ b/fs/ufs/inode.c @@ -235,7 +235,8 @@ ufs_extend_tail(struct inode *inode, u64 writes_to, p = ufs_get_direct_data_ptr(uspi, ufsi, block); tmp = ufs_new_fragments(inode, p, lastfrag, ufs_data_ptr_to_cpu(sb, p), - new_size, err, locked_page); + new_size - (lastfrag & uspi->s_fpbmask), err, + locked_page); return tmp != 0; } @@ -284,7 +285,7 @@ ufs_inode_getfrag(struct inode *inode, unsigned index, goal += uspi->s_fpb; } tmp = ufs_new_fragments(inode, p, ufs_blknum(new_fragment), - goal, uspi->s_fpb, err, locked_page); + goal, nfrags, err, locked_page); if (!tmp) { *err = -ENOSPC; @@ -400,11 +401,20 @@ static int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buff u64 phys64 = 0; unsigned frag = fragment & uspi->s_fpbmask; - if (!create) { - phys64 = ufs_frag_map(inode, offsets, depth); - goto out; - } + phys64 = ufs_frag_map(inode, offsets, depth); + if (!create) + goto done; + if (phys64) { + if (fragment >= UFS_NDIR_FRAGMENT) + goto done; + read_seqlock_excl(&UFS_I(inode)->meta_lock); + if (fragment < UFS_I(inode)->i_lastfrag) { + read_sequnlock_excl(&UFS_I(inode)->meta_lock); + goto done; + } + read_sequnlock_excl(&UFS_I(inode)->meta_lock); + } /* This code entered only while writing ....? */ mutex_lock(&UFS_I(inode)->truncate_mutex); @@ -448,6 +458,11 @@ out: } mutex_unlock(&UFS_I(inode)->truncate_mutex); return err; + +done: + if (phys64) + map_bh(bh_result, sb, phys64 + frag); + return 0; } static int ufs_writepage(struct page *page, struct writeback_control *wbc) @@ -551,10 +566,8 @@ static int ufs1_read_inode(struct inode *inode, struct ufs_inode *ufs_inode) */ inode->i_mode = mode = fs16_to_cpu(sb, ufs_inode->ui_mode); set_nlink(inode, fs16_to_cpu(sb, ufs_inode->ui_nlink)); - if (inode->i_nlink == 0) { - ufs_error (sb, "ufs_read_inode", "inode %lu has zero nlink\n", inode->i_ino); - return -1; - } + if (inode->i_nlink == 0) + return -ESTALE; /* * Linux now has 32-bit uid and gid, so we can support EFT. @@ -563,9 +576,9 @@ static int ufs1_read_inode(struct inode *inode, struct ufs_inode *ufs_inode) i_gid_write(inode, ufs_get_inode_gid(sb, ufs_inode)); inode->i_size = fs64_to_cpu(sb, ufs_inode->ui_size); - inode->i_atime.tv_sec = fs32_to_cpu(sb, ufs_inode->ui_atime.tv_sec); - inode->i_ctime.tv_sec = fs32_to_cpu(sb, ufs_inode->ui_ctime.tv_sec); - inode->i_mtime.tv_sec = fs32_to_cpu(sb, ufs_inode->ui_mtime.tv_sec); + inode->i_atime.tv_sec = (signed)fs32_to_cpu(sb, ufs_inode->ui_atime.tv_sec); + inode->i_ctime.tv_sec = (signed)fs32_to_cpu(sb, ufs_inode->ui_ctime.tv_sec); + inode->i_mtime.tv_sec = (signed)fs32_to_cpu(sb, ufs_inode->ui_mtime.tv_sec); inode->i_mtime.tv_nsec = 0; inode->i_atime.tv_nsec = 0; inode->i_ctime.tv_nsec = 0; @@ -599,10 +612,8 @@ static int ufs2_read_inode(struct inode *inode, struct ufs2_inode *ufs2_inode) */ inode->i_mode = mode = fs16_to_cpu(sb, ufs2_inode->ui_mode); set_nlink(inode, fs16_to_cpu(sb, ufs2_inode->ui_nlink)); - if (inode->i_nlink == 0) { - ufs_error (sb, "ufs_read_inode", "inode %lu has zero nlink\n", inode->i_ino); - return -1; - } + if (inode->i_nlink == 0) + return -ESTALE; /* * Linux now has 32-bit uid and gid, so we can support EFT. @@ -642,7 +653,7 @@ struct inode *ufs_iget(struct super_block *sb, unsigned long ino) struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi; struct buffer_head * bh; struct inode *inode; - int err; + int err = -EIO; UFSD("ENTER, ino %lu\n", ino); @@ -677,9 +688,10 @@ struct inode *ufs_iget(struct super_block *sb, unsigned long ino) err = ufs1_read_inode(inode, ufs_inode + ufs_inotofsbo(inode->i_ino)); } - + brelse(bh); if (err) goto bad_inode; + inode->i_version++; ufsi->i_lastfrag = (inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift; @@ -688,15 +700,13 @@ struct inode *ufs_iget(struct super_block *sb, unsigned long ino) ufs_set_inode_ops(inode); - brelse(bh); - UFSD("EXIT\n"); unlock_new_inode(inode); return inode; bad_inode: iget_failed(inode); - return ERR_PTR(-EIO); + return ERR_PTR(err); } static void ufs1_update_inode(struct inode *inode, struct ufs_inode *ufs_inode) @@ -841,8 +851,11 @@ void ufs_evict_inode(struct inode * inode) truncate_inode_pages_final(&inode->i_data); if (want_delete) { inode->i_size = 0; - if (inode->i_blocks) + if (inode->i_blocks && + (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || + S_ISLNK(inode->i_mode))) ufs_truncate_blocks(inode); + ufs_update_inode(inode, inode_needs_sync(inode)); } invalidate_inode_buffers(inode); @@ -868,7 +881,6 @@ static inline void free_data(struct to_free *ctx, u64 from, unsigned count) ctx->to = from + count; } -#define DIRECT_BLOCK ((inode->i_size + uspi->s_bsize - 1) >> uspi->s_bshift) #define DIRECT_FRAGMENT ((inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift) static void ufs_trunc_direct(struct inode *inode) @@ -1100,25 +1112,30 @@ out: return err; } -static void __ufs_truncate_blocks(struct inode *inode) +static void ufs_truncate_blocks(struct inode *inode) { struct ufs_inode_info *ufsi = UFS_I(inode); struct super_block *sb = inode->i_sb; struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi; unsigned offsets[4]; - int depth = ufs_block_to_path(inode, DIRECT_BLOCK, offsets); + int depth; int depth2; unsigned i; struct ufs_buffer_head *ubh[3]; void *p; u64 block; - if (!depth) - return; + if (inode->i_size) { + sector_t last = (inode->i_size - 1) >> uspi->s_bshift; + depth = ufs_block_to_path(inode, last, offsets); + if (!depth) + return; + } else { + depth = 1; + } - /* find the last non-zero in offsets[] */ for (depth2 = depth - 1; depth2; depth2--) - if (offsets[depth2]) + if (offsets[depth2] != uspi->s_apb - 1) break; mutex_lock(&ufsi->truncate_mutex); @@ -1127,9 +1144,8 @@ static void __ufs_truncate_blocks(struct inode *inode) offsets[0] = UFS_IND_BLOCK; } else { /* get the blocks that should be partially emptied */ - p = ufs_get_direct_data_ptr(uspi, ufsi, offsets[0]); + p = ufs_get_direct_data_ptr(uspi, ufsi, offsets[0]++); for (i = 0; i < depth2; i++) { - offsets[i]++; /* next branch is fully freed */ block = ufs_data_ptr_to_cpu(sb, p); if (!block) break; @@ -1140,7 +1156,7 @@ static void __ufs_truncate_blocks(struct inode *inode) write_sequnlock(&ufsi->meta_lock); break; } - p = ubh_get_data_ptr(uspi, ubh[i], offsets[i + 1]); + p = ubh_get_data_ptr(uspi, ubh[i], offsets[i + 1]++); } while (i--) free_branch_tail(inode, offsets[i + 1], ubh[i], depth - i - 1); @@ -1155,7 +1171,9 @@ static void __ufs_truncate_blocks(struct inode *inode) free_full_branch(inode, block, i - UFS_IND_BLOCK + 1); } } + read_seqlock_excl(&ufsi->meta_lock); ufsi->i_lastfrag = DIRECT_FRAGMENT; + read_sequnlock_excl(&ufsi->meta_lock); mark_inode_dirty(inode); mutex_unlock(&ufsi->truncate_mutex); } @@ -1183,7 +1201,7 @@ static int ufs_truncate(struct inode *inode, loff_t size) truncate_setsize(inode, size); - __ufs_truncate_blocks(inode); + ufs_truncate_blocks(inode); inode->i_mtime = inode->i_ctime = current_time(inode); mark_inode_dirty(inode); out: @@ -1191,16 +1209,6 @@ out: return err; } -static void ufs_truncate_blocks(struct inode *inode) -{ - if (!(S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) || - S_ISLNK(inode->i_mode))) - return; - if (IS_APPEND(inode) || IS_IMMUTABLE(inode)) - return; - __ufs_truncate_blocks(inode); -} - int ufs_setattr(struct dentry *dentry, struct iattr *attr) { struct inode *inode = d_inode(dentry); diff --git a/fs/ufs/super.c b/fs/ufs/super.c index 131b2b7..0a4f58a 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -480,7 +480,7 @@ static void ufs_setup_cstotal(struct super_block *sb) usb3 = ubh_get_usb_third(uspi); if ((mtype == UFS_MOUNT_UFSTYPE_44BSD && - (usb1->fs_flags & UFS_FLAGS_UPDATED)) || + (usb2->fs_un.fs_u2.fs_maxbsize == usb1->fs_bsize)) || mtype == UFS_MOUNT_UFSTYPE_UFS2) { /*we have statistic in different place, then usual*/ uspi->cs_total.cs_ndir = fs64_to_cpu(sb, usb2->fs_un.fs_u2.cs_ndir); @@ -596,9 +596,7 @@ static void ufs_put_cstotal(struct super_block *sb) usb2 = ubh_get_usb_second(uspi); usb3 = ubh_get_usb_third(uspi); - if ((mtype == UFS_MOUNT_UFSTYPE_44BSD && - (usb1->fs_flags & UFS_FLAGS_UPDATED)) || - mtype == UFS_MOUNT_UFSTYPE_UFS2) { + if (mtype == UFS_MOUNT_UFSTYPE_UFS2) { /*we have statistic in different place, then usual*/ usb2->fs_un.fs_u2.cs_ndir = cpu_to_fs64(sb, uspi->cs_total.cs_ndir); @@ -608,16 +606,26 @@ static void ufs_put_cstotal(struct super_block *sb) cpu_to_fs64(sb, uspi->cs_total.cs_nifree); usb3->fs_un1.fs_u2.cs_nffree = cpu_to_fs64(sb, uspi->cs_total.cs_nffree); - } else { - usb1->fs_cstotal.cs_ndir = - cpu_to_fs32(sb, uspi->cs_total.cs_ndir); - usb1->fs_cstotal.cs_nbfree = - cpu_to_fs32(sb, uspi->cs_total.cs_nbfree); - usb1->fs_cstotal.cs_nifree = - cpu_to_fs32(sb, uspi->cs_total.cs_nifree); - usb1->fs_cstotal.cs_nffree = - cpu_to_fs32(sb, uspi->cs_total.cs_nffree); + goto out; + } + + if (mtype == UFS_MOUNT_UFSTYPE_44BSD && + (usb2->fs_un.fs_u2.fs_maxbsize == usb1->fs_bsize)) { + /* store stats in both old and new places */ + usb2->fs_un.fs_u2.cs_ndir = + cpu_to_fs64(sb, uspi->cs_total.cs_ndir); + usb2->fs_un.fs_u2.cs_nbfree = + cpu_to_fs64(sb, uspi->cs_total.cs_nbfree); + usb3->fs_un1.fs_u2.cs_nifree = + cpu_to_fs64(sb, uspi->cs_total.cs_nifree); + usb3->fs_un1.fs_u2.cs_nffree = + cpu_to_fs64(sb, uspi->cs_total.cs_nffree); } + usb1->fs_cstotal.cs_ndir = cpu_to_fs32(sb, uspi->cs_total.cs_ndir); + usb1->fs_cstotal.cs_nbfree = cpu_to_fs32(sb, uspi->cs_total.cs_nbfree); + usb1->fs_cstotal.cs_nifree = cpu_to_fs32(sb, uspi->cs_total.cs_nifree); + usb1->fs_cstotal.cs_nffree = cpu_to_fs32(sb, uspi->cs_total.cs_nffree); +out: ubh_mark_buffer_dirty(USPI_UBH(uspi)); ufs_print_super_stuff(sb, usb1, usb2, usb3); UFSD("EXIT\n"); @@ -746,6 +754,23 @@ static void ufs_put_super(struct super_block *sb) return; } +static u64 ufs_max_bytes(struct super_block *sb) +{ + struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi; + int bits = uspi->s_apbshift; + u64 res; + + if (bits > 21) + res = ~0ULL; + else + res = UFS_NDADDR + (1LL << bits) + (1LL << (2*bits)) + + (1LL << (3*bits)); + + if (res >= (MAX_LFS_FILESIZE >> uspi->s_bshift)) + return MAX_LFS_FILESIZE; + return res << uspi->s_bshift; +} + static int ufs_fill_super(struct super_block *sb, void *data, int silent) { struct ufs_sb_info * sbi; @@ -812,9 +837,8 @@ static int ufs_fill_super(struct super_block *sb, void *data, int silent) uspi->s_dirblksize = UFS_SECTOR_SIZE; super_block_offset=UFS_SBLOCK; - /* Keep 2Gig file limit. Some UFS variants need to override - this but as I don't know which I'll let those in the know loosen - the rules */ + sb->s_maxbytes = MAX_LFS_FILESIZE; + switch (sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) { case UFS_MOUNT_UFSTYPE_44BSD: UFSD("ufstype=44bsd\n"); @@ -980,6 +1004,13 @@ again: flags |= UFS_ST_SUN; } + if ((flags & UFS_ST_MASK) == UFS_ST_44BSD && + uspi->s_postblformat == UFS_42POSTBLFMT) { + if (!silent) + pr_err("this is not a 44bsd filesystem"); + goto failed; + } + /* * Check ufs magic number */ @@ -1127,8 +1158,8 @@ magic_found: uspi->s_cgmask = fs32_to_cpu(sb, usb1->fs_cgmask); if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) { - uspi->s_u2_size = fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_size); - uspi->s_u2_dsize = fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_dsize); + uspi->s_size = fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_size); + uspi->s_dsize = fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_dsize); } else { uspi->s_size = fs32_to_cpu(sb, usb1->fs_size); uspi->s_dsize = fs32_to_cpu(sb, usb1->fs_dsize); @@ -1177,6 +1208,18 @@ magic_found: uspi->s_postbloff = fs32_to_cpu(sb, usb3->fs_postbloff); uspi->s_rotbloff = fs32_to_cpu(sb, usb3->fs_rotbloff); + uspi->s_root_blocks = mul_u64_u32_div(uspi->s_dsize, + uspi->s_minfree, 100); + if (uspi->s_minfree <= 5) { + uspi->s_time_to_space = ~0ULL; + uspi->s_space_to_time = 0; + usb1->fs_optim = cpu_to_fs32(sb, UFS_OPTSPACE); + } else { + uspi->s_time_to_space = (uspi->s_root_blocks / 2) + 1; + uspi->s_space_to_time = mul_u64_u32_div(uspi->s_dsize, + uspi->s_minfree - 2, 100) - 1; + } + /* * Compute another frequently used values */ @@ -1212,6 +1255,7 @@ magic_found: "fast symlink size (%u)\n", uspi->s_maxsymlinklen); uspi->s_maxsymlinklen = maxsymlen; } + sb->s_maxbytes = ufs_max_bytes(sb); sb->s_max_links = UFS_LINK_MAX; inode = ufs_iget(sb, UFS_ROOTINO); @@ -1365,19 +1409,17 @@ static int ufs_statfs(struct dentry *dentry, struct kstatfs *buf) mutex_lock(&UFS_SB(sb)->s_lock); usb3 = ubh_get_usb_third(uspi); - if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) { + if ((flags & UFS_TYPE_MASK) == UFS_TYPE_UFS2) buf->f_type = UFS2_MAGIC; - buf->f_blocks = fs64_to_cpu(sb, usb3->fs_un1.fs_u2.fs_dsize); - } else { + else buf->f_type = UFS_MAGIC; - buf->f_blocks = uspi->s_dsize; - } - buf->f_bfree = ufs_blkstofrags(uspi->cs_total.cs_nbfree) + - uspi->cs_total.cs_nffree; + + buf->f_blocks = uspi->s_dsize; + buf->f_bfree = ufs_freefrags(uspi); buf->f_ffree = uspi->cs_total.cs_nifree; buf->f_bsize = sb->s_blocksize; - buf->f_bavail = (buf->f_bfree > (((long)buf->f_blocks / 100) * uspi->s_minfree)) - ? (buf->f_bfree - (((long)buf->f_blocks / 100) * uspi->s_minfree)) : 0; + buf->f_bavail = (buf->f_bfree > uspi->s_root_blocks) + ? (buf->f_bfree - uspi->s_root_blocks) : 0; buf->f_files = uspi->s_ncg * uspi->s_ipg; buf->f_namelen = UFS_MAXNAMLEN; buf->f_fsid.val[0] = (u32)id; diff --git a/fs/ufs/ufs_fs.h b/fs/ufs/ufs_fs.h index 0cbd5d3..150eef6 100644 --- a/fs/ufs/ufs_fs.h +++ b/fs/ufs/ufs_fs.h @@ -733,10 +733,8 @@ struct ufs_sb_private_info { __u32 s_dblkno; /* offset of first data after cg */ __u32 s_cgoffset; /* cylinder group offset in cylinder */ __u32 s_cgmask; /* used to calc mod fs_ntrak */ - __u32 s_size; /* number of blocks (fragments) in fs */ - __u32 s_dsize; /* number of data blocks in fs */ - __u64 s_u2_size; /* ufs2: number of blocks (fragments) in fs */ - __u64 s_u2_dsize; /*ufs2: number of data blocks in fs */ + __u64 s_size; /* number of blocks (fragments) in fs */ + __u64 s_dsize; /* number of data blocks in fs */ __u32 s_ncg; /* number of cylinder groups */ __u32 s_bsize; /* size of basic blocks */ __u32 s_fsize; /* size of fragments */ @@ -793,6 +791,9 @@ struct ufs_sb_private_info { __u32 s_maxsymlinklen;/* upper limit on fast symlinks' size */ __s32 fs_magic; /* filesystem magic */ unsigned int s_dirblksize; + __u64 s_root_blocks; + __u64 s_time_to_space; + __u64 s_space_to_time; }; /* diff --git a/fs/ufs/util.c b/fs/ufs/util.c index f41ad0a..02497a4 100644 --- a/fs/ufs/util.c +++ b/fs/ufs/util.c @@ -243,9 +243,8 @@ ufs_set_inode_dev(struct super_block *sb, struct ufs_inode_info *ufsi, dev_t dev struct page *ufs_get_locked_page(struct address_space *mapping, pgoff_t index) { - struct page *page; - - page = find_lock_page(mapping, index); + struct inode *inode = mapping->host; + struct page *page = find_lock_page(mapping, index); if (!page) { page = read_mapping_page(mapping, index, NULL); @@ -253,7 +252,7 @@ struct page *ufs_get_locked_page(struct address_space *mapping, printk(KERN_ERR "ufs_change_blocknr: " "read_mapping_page error: ino %lu, index: %lu\n", mapping->host->i_ino, index); - goto out; + return page; } lock_page(page); @@ -262,8 +261,7 @@ struct page *ufs_get_locked_page(struct address_space *mapping, /* Truncate got there first */ unlock_page(page); put_page(page); - page = NULL; - goto out; + return NULL; } if (!PageUptodate(page) || PageError(page)) { @@ -272,11 +270,12 @@ struct page *ufs_get_locked_page(struct address_space *mapping, printk(KERN_ERR "ufs_change_blocknr: " "can not read page: ino %lu, index: %lu\n", - mapping->host->i_ino, index); + inode->i_ino, index); - page = ERR_PTR(-EIO); + return ERR_PTR(-EIO); } } -out: + if (!page_has_buffers(page)) + create_empty_buffers(page, 1 << inode->i_blkbits, 0); return page; } diff --git a/fs/ufs/util.h b/fs/ufs/util.h index b7fbf53..9fc7119 100644 --- a/fs/ufs/util.h +++ b/fs/ufs/util.h @@ -350,16 +350,11 @@ static inline void *ubh_get_data_ptr(struct ufs_sb_private_info *uspi, #define ubh_blkmap(ubh,begin,bit) \ ((*ubh_get_addr(ubh, (begin) + ((bit) >> 3)) >> ((bit) & 7)) & (0xff >> (UFS_MAXFRAG - uspi->s_fpb))) -/* - * Determine the number of available frags given a - * percentage to hold in reserve. - */ static inline u64 -ufs_freespace(struct ufs_sb_private_info *uspi, int percentreserved) +ufs_freefrags(struct ufs_sb_private_info *uspi) { return ufs_blkstofrags(uspi->cs_total.cs_nbfree) + - uspi->cs_total.cs_nffree - - (uspi->s_dsize * (percentreserved) / 100); + uspi->cs_total.cs_nffree; } /* @@ -473,15 +468,19 @@ static inline unsigned _ubh_find_last_zero_bit_( static inline int _ubh_isblockset_(struct ufs_sb_private_info * uspi, struct ufs_buffer_head * ubh, unsigned begin, unsigned block) { + u8 mask; switch (uspi->s_fpb) { case 8: return (*ubh_get_addr (ubh, begin + block) == 0xff); case 4: - return (*ubh_get_addr (ubh, begin + (block >> 1)) == (0x0f << ((block & 0x01) << 2))); + mask = 0x0f << ((block & 0x01) << 2); + return (*ubh_get_addr (ubh, begin + (block >> 1)) & mask) == mask; case 2: - return (*ubh_get_addr (ubh, begin + (block >> 2)) == (0x03 << ((block & 0x03) << 1))); + mask = 0x03 << ((block & 0x03) << 1); + return (*ubh_get_addr (ubh, begin + (block >> 2)) & mask) == mask; case 1: - return (*ubh_get_addr (ubh, begin + (block >> 3)) == (0x01 << (block & 0x07))); + mask = 0x01 << (block & 0x07); + return (*ubh_get_addr (ubh, begin + (block >> 3)) & mask) == mask; } return 0; } diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index f7555fc..1d622f2 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -340,9 +340,28 @@ int handle_userfault(struct vm_fault *vmf, unsigned long reason) bool must_wait, return_to_userland; long blocking_state; - BUG_ON(!rwsem_is_locked(&mm->mmap_sem)); - ret = VM_FAULT_SIGBUS; + + /* + * We don't do userfault handling for the final child pid update. + * + * We also don't do userfault handling during + * coredumping. hugetlbfs has the special + * follow_hugetlb_page() to skip missing pages in the + * FOLL_DUMP case, anon memory also checks for FOLL_DUMP with + * the no_page_table() helper in follow_page_mask(), but the + * shmem_vm_ops->fault method is invoked even during + * coredumping without mmap_sem and it ends up here. + */ + if (current->flags & (PF_EXITING|PF_DUMPCORE)) + goto out; + + /* + * Coredumping runs without mmap_sem so we can only check that + * the mmap_sem is held, if PF_DUMPCORE was not set. + */ + WARN_ON_ONCE(!rwsem_is_locked(&mm->mmap_sem)); + ctx = vmf->vma->vm_userfaultfd_ctx.ctx; if (!ctx) goto out; @@ -361,12 +380,6 @@ int handle_userfault(struct vm_fault *vmf, unsigned long reason) goto out; /* - * We don't do userfault handling for the final child pid update. - */ - if (current->flags & PF_EXITING) - goto out; - - /* * Check that we can return VM_FAULT_RETRY. * * NOTE: it should become possible to return VM_FAULT_RETRY diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 09af0f7..3b91faa 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -1316,9 +1316,12 @@ xfs_vm_bmap( * The swap code (ab-)uses ->bmap to get a block mapping and then * bypasseÑ• the file system for actual I/O. We really can't allow * that on reflinks inodes, so we have to skip out here. And yes, - * 0 is the magic code for a bmap error.. + * 0 is the magic code for a bmap error. + * + * Since we don't pass back blockdev info, we can't return bmap + * information for rt files either. */ - if (xfs_is_reflink_inode(ip)) + if (xfs_is_reflink_inode(ip) || XFS_IS_REALTIME_INODE(ip)) return 0; filemap_write_and_wait(mapping); diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 62fa392..16d6a57 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -97,12 +97,16 @@ static inline void xfs_buf_ioacct_inc( struct xfs_buf *bp) { - if (bp->b_flags & (XBF_NO_IOACCT|_XBF_IN_FLIGHT)) + if (bp->b_flags & XBF_NO_IOACCT) return; ASSERT(bp->b_flags & XBF_ASYNC); - bp->b_flags |= _XBF_IN_FLIGHT; - percpu_counter_inc(&bp->b_target->bt_io_count); + spin_lock(&bp->b_lock); + if (!(bp->b_state & XFS_BSTATE_IN_FLIGHT)) { + bp->b_state |= XFS_BSTATE_IN_FLIGHT; + percpu_counter_inc(&bp->b_target->bt_io_count); + } + spin_unlock(&bp->b_lock); } /* @@ -110,14 +114,24 @@ xfs_buf_ioacct_inc( * freed and unaccount from the buftarg. */ static inline void -xfs_buf_ioacct_dec( +__xfs_buf_ioacct_dec( struct xfs_buf *bp) { - if (!(bp->b_flags & _XBF_IN_FLIGHT)) - return; + lockdep_assert_held(&bp->b_lock); - bp->b_flags &= ~_XBF_IN_FLIGHT; - percpu_counter_dec(&bp->b_target->bt_io_count); + if (bp->b_state & XFS_BSTATE_IN_FLIGHT) { + bp->b_state &= ~XFS_BSTATE_IN_FLIGHT; + percpu_counter_dec(&bp->b_target->bt_io_count); + } +} + +static inline void +xfs_buf_ioacct_dec( + struct xfs_buf *bp) +{ + spin_lock(&bp->b_lock); + __xfs_buf_ioacct_dec(bp); + spin_unlock(&bp->b_lock); } /* @@ -149,9 +163,9 @@ xfs_buf_stale( * unaccounted (released to LRU) before that occurs. Drop in-flight * status now to preserve accounting consistency. */ - xfs_buf_ioacct_dec(bp); - spin_lock(&bp->b_lock); + __xfs_buf_ioacct_dec(bp); + atomic_set(&bp->b_lru_ref, 0); if (!(bp->b_state & XFS_BSTATE_DISPOSE) && (list_lru_del(&bp->b_target->bt_lru, &bp->b_lru))) @@ -979,12 +993,12 @@ xfs_buf_rele( * ensures the decrement occurs only once per-buf. */ if ((atomic_read(&bp->b_hold) == 1) && !list_empty(&bp->b_lru)) - xfs_buf_ioacct_dec(bp); + __xfs_buf_ioacct_dec(bp); goto out_unlock; } /* the last reference has been dropped ... */ - xfs_buf_ioacct_dec(bp); + __xfs_buf_ioacct_dec(bp); if (!(bp->b_flags & XBF_STALE) && atomic_read(&bp->b_lru_ref)) { /* * If the buffer is added to the LRU take a new reference to the diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index 8d1d44f..1508121 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -63,7 +63,6 @@ typedef enum { #define _XBF_KMEM (1 << 21)/* backed by heap memory */ #define _XBF_DELWRI_Q (1 << 22)/* buffer on a delwri queue */ #define _XBF_COMPOUND (1 << 23)/* compound buffer */ -#define _XBF_IN_FLIGHT (1 << 25) /* I/O in flight, for accounting purposes */ typedef unsigned int xfs_buf_flags_t; @@ -84,14 +83,14 @@ typedef unsigned int xfs_buf_flags_t; { _XBF_PAGES, "PAGES" }, \ { _XBF_KMEM, "KMEM" }, \ { _XBF_DELWRI_Q, "DELWRI_Q" }, \ - { _XBF_COMPOUND, "COMPOUND" }, \ - { _XBF_IN_FLIGHT, "IN_FLIGHT" } + { _XBF_COMPOUND, "COMPOUND" } /* * Internal state flags. */ #define XFS_BSTATE_DISPOSE (1 << 0) /* buffer being discarded */ +#define XFS_BSTATE_IN_FLIGHT (1 << 1) /* I/O in flight */ /* * The xfs_buftarg contains 2 notions of "sector size" - diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index f61c84f8..990210f 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -66,7 +66,6 @@ xfs_inode_alloc( XFS_STATS_INC(mp, vn_active); ASSERT(atomic_read(&ip->i_pincount) == 0); - ASSERT(!spin_is_locked(&ip->i_flags_lock)); ASSERT(!xfs_isiflocked(ip)); ASSERT(ip->i_ino == 0); @@ -190,7 +189,7 @@ xfs_perag_set_reclaim_tag( { struct xfs_mount *mp = pag->pag_mount; - ASSERT(spin_is_locked(&pag->pag_ici_lock)); + lockdep_assert_held(&pag->pag_ici_lock); if (pag->pag_ici_reclaimable++) return; @@ -212,7 +211,7 @@ xfs_perag_clear_reclaim_tag( { struct xfs_mount *mp = pag->pag_mount; - ASSERT(spin_is_locked(&pag->pag_ici_lock)); + lockdep_assert_held(&pag->pag_ici_lock); if (--pag->pag_ici_reclaimable) return; diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 197f3ff..408c782 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -210,7 +210,8 @@ struct acpi_device_flags { u32 of_compatible_ok:1; u32 coherent_dma:1; u32 cca_seen:1; - u32 reserved:20; + u32 spi_i2c_slave:1; + u32 reserved:19; }; /* File System */ diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h index d92543f..bdc55c0 100644 --- a/include/acpi/actbl.h +++ b/include/acpi/actbl.h @@ -374,6 +374,20 @@ struct acpi_table_desc { u16 validation_count; }; +/* + * Maximum value of the validation_count field in struct acpi_table_desc. + * When reached, validation_count cannot be changed any more and the table will + * be permanently regarded as validated. + * + * This is to prevent situations in which unbalanced table get/put operations + * may cause premature table unmapping in the OS to happen. + * + * The maximum validation count can be defined to any value, but should be + * greater than the maximum number of OS early stage mapping slots to avoid + * leaking early stage table mappings to the late stage. + */ +#define ACPI_MAX_TABLE_VALIDATIONS ACPI_UINT16_MAX + /* Masks for Flags field above */ #define ACPI_TABLE_ORIGIN_EXTERNAL_VIRTUAL (0) /* Virtual address, external maintained */ diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index c0bd0d7..bb83731 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -913,4 +913,55 @@ void drm_dp_aux_unregister(struct drm_dp_aux *aux); int drm_dp_start_crc(struct drm_dp_aux *aux, struct drm_crtc *crtc); int drm_dp_stop_crc(struct drm_dp_aux *aux); +struct drm_dp_dpcd_ident { + u8 oui[3]; + u8 device_id[6]; + u8 hw_rev; + u8 sw_major_rev; + u8 sw_minor_rev; +} __packed; + +/** + * struct drm_dp_desc - DP branch/sink device descriptor + * @ident: DP device identification from DPCD 0x400 (sink) or 0x500 (branch). + * @quirks: Quirks; use drm_dp_has_quirk() to query for the quirks. + */ +struct drm_dp_desc { + struct drm_dp_dpcd_ident ident; + u32 quirks; +}; + +int drm_dp_read_desc(struct drm_dp_aux *aux, struct drm_dp_desc *desc, + bool is_branch); + +/** + * enum drm_dp_quirk - Display Port sink/branch device specific quirks + * + * Display Port sink and branch devices in the wild have a variety of bugs, try + * to collect them here. The quirks are shared, but it's up to the drivers to + * implement workarounds for them. + */ +enum drm_dp_quirk { + /** + * @DP_DPCD_QUIRK_LIMITED_M_N: + * + * The device requires main link attributes Mvid and Nvid to be limited + * to 16 bits. + */ + DP_DPCD_QUIRK_LIMITED_M_N, +}; + +/** + * drm_dp_has_quirk() - does the DP device have a specific quirk + * @desc: Device decriptor filled by drm_dp_read_desc() + * @quirk: Quirk to query for + * + * Return true if DP device identified by @desc has @quirk. + */ +static inline bool +drm_dp_has_quirk(const struct drm_dp_desc *desc, enum drm_dp_quirk quirk) +{ + return desc->quirks & BIT(quirk); +} + #endif /* _DRM_DP_HELPER_H_ */ diff --git a/include/dt-bindings/clock/sun50i-a64-ccu.h b/include/dt-bindings/clock/sun50i-a64-ccu.h index 370c0a0..d66432c 100644 --- a/include/dt-bindings/clock/sun50i-a64-ccu.h +++ b/include/dt-bindings/clock/sun50i-a64-ccu.h @@ -43,6 +43,8 @@ #ifndef _DT_BINDINGS_CLK_SUN50I_A64_H_ #define _DT_BINDINGS_CLK_SUN50I_A64_H_ +#define CLK_PLL_PERIPH0 11 + #define CLK_BUS_MIPI_DSI 28 #define CLK_BUS_CE 29 #define CLK_BUS_DMA 30 diff --git a/include/dt-bindings/clock/sun8i-h3-ccu.h b/include/dt-bindings/clock/sun8i-h3-ccu.h index c2afc41..e139fe5 100644 --- a/include/dt-bindings/clock/sun8i-h3-ccu.h +++ b/include/dt-bindings/clock/sun8i-h3-ccu.h @@ -43,6 +43,8 @@ #ifndef _DT_BINDINGS_CLK_SUN8I_H3_H_ #define _DT_BINDINGS_CLK_SUN8I_H3_H_ +#define CLK_PLL_PERIPH0 9 + #define CLK_CPUX 14 #define CLK_BUS_CE 20 diff --git a/include/linux/bio.h b/include/linux/bio.h index d1b04b0..a7e29fa 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -426,6 +426,7 @@ extern void bio_advance(struct bio *, unsigned); extern void bio_init(struct bio *bio, struct bio_vec *table, unsigned short max_vecs); +extern void bio_uninit(struct bio *); extern void bio_reset(struct bio *); void bio_chain(struct bio *, struct bio *); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index ab92c4e..1ddd36b 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -391,6 +391,8 @@ struct request_queue { int nr_rqs[2]; /* # allocated [a]sync rqs */ int nr_rqs_elvpriv; /* # allocated rqs w/ elvpriv */ + atomic_t shared_hctx_restart; + struct blk_queue_stats *stats; struct rq_wb *rq_wb; @@ -586,6 +588,8 @@ struct request_queue { size_t cmd_size; void *rq_alloc_data; + + struct work_struct release_work; }; #define QUEUE_FLAG_QUEUED 1 /* uses generic tag queueing */ diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index 2174594..ec47101 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -48,6 +48,7 @@ enum { CSS_ONLINE = (1 << 1), /* between ->css_online() and ->css_offline() */ CSS_RELEASED = (1 << 2), /* refcnt reached zero, released */ CSS_VISIBLE = (1 << 3), /* css is visible to userland */ + CSS_DYING = (1 << 4), /* css is dying */ }; /* bits in struct cgroup flags field */ diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index ed2573e..710a005 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -344,6 +344,26 @@ static inline bool css_tryget_online(struct cgroup_subsys_state *css) } /** + * css_is_dying - test whether the specified css is dying + * @css: target css + * + * Test whether @css is in the process of offlining or already offline. In + * most cases, ->css_online() and ->css_offline() callbacks should be + * enough; however, the actual offline operations are RCU delayed and this + * test returns %true also when @css is scheduled to be offlined. + * + * This is useful, for example, when the use case requires synchronous + * behavior with respect to cgroup removal. cgroup removal schedules css + * offlining but the css can seem alive while the operation is being + * delayed. If the delay affects user visible semantics, this test can be + * used to resolve the situation. + */ +static inline bool css_is_dying(struct cgroup_subsys_state *css) +{ + return !(css->flags & CSS_NO_REF) && percpu_ref_is_dying(&css->refcnt); +} + +/** * css_put - put a css reference * @css: target css * diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h index de17999..d614c5e 100644 --- a/include/linux/compiler-clang.h +++ b/include/linux/compiler-clang.h @@ -15,3 +15,11 @@ * with any version that can compile the kernel */ #define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__) + +/* + * GCC does not warn about unused static inline functions for + * -Wunused-function. This turns out to avoid the need for complex #ifdef + * directives. Suppress the warning in clang as well. + */ +#undef inline +#define inline inline __attribute__((unused)) notrace diff --git a/include/linux/configfs.h b/include/linux/configfs.h index 2319b8c..c967090 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h @@ -74,7 +74,8 @@ extern void config_item_init_type_name(struct config_item *item, const char *name, struct config_item_type *type); -extern struct config_item * config_item_get(struct config_item *); +extern struct config_item *config_item_get(struct config_item *); +extern struct config_item *config_item_get_unless_zero(struct config_item *); extern void config_item_put(struct config_item *); struct config_item_type { diff --git a/include/linux/device.h b/include/linux/device.h index 9ef518a..f52288c 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -1200,6 +1200,36 @@ struct device *device_create_with_groups(struct class *cls, const char *fmt, ...); extern void device_destroy(struct class *cls, dev_t devt); +extern int __must_check device_add_groups(struct device *dev, + const struct attribute_group **groups); +extern void device_remove_groups(struct device *dev, + const struct attribute_group **groups); + +static inline int __must_check device_add_group(struct device *dev, + const struct attribute_group *grp) +{ + const struct attribute_group *groups[] = { grp, NULL }; + + return device_add_groups(dev, groups); +} + +static inline void device_remove_group(struct device *dev, + const struct attribute_group *grp) +{ + const struct attribute_group *groups[] = { grp, NULL }; + + return device_remove_groups(dev, groups); +} + +extern int __must_check devm_device_add_groups(struct device *dev, + const struct attribute_group **groups); +extern void devm_device_remove_groups(struct device *dev, + const struct attribute_group **groups); +extern int __must_check devm_device_add_group(struct device *dev, + const struct attribute_group *grp); +extern void devm_device_remove_group(struct device *dev, + const struct attribute_group *grp); + /* * Platform "fixup" functions - allow the platform to have their say * about devices and actions that the general device layer doesn't diff --git a/include/linux/dma-iommu.h b/include/linux/dma-iommu.h index 4eac267..92f2083 100644 --- a/include/linux/dma-iommu.h +++ b/include/linux/dma-iommu.h @@ -78,6 +78,7 @@ void iommu_dma_get_resv_regions(struct device *dev, struct list_head *list); struct iommu_domain; struct msi_msg; +struct device; static inline int iommu_dma_init(void) { diff --git a/include/linux/dmi.h b/include/linux/dmi.h index 5e9c74c..9bbf21a 100644 --- a/include/linux/dmi.h +++ b/include/linux/dmi.h @@ -136,7 +136,7 @@ static inline int dmi_name_in_vendors(const char *s) { return 0; } static inline int dmi_name_in_serial(const char *s) { return 0; } #define dmi_available 0 static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *), - void *private_data) { return -1; } + void *private_data) { return -ENXIO; } static inline bool dmi_match(enum dmi_field f, const char *str) { return false; } static inline void dmi_memdev_name(u16 handle, const char **bank, diff --git a/include/linux/elevator.h b/include/linux/elevator.h index 9ec5e22..0e306c5 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -153,7 +153,7 @@ struct elevator_type #endif /* managed by elevator core */ - char icq_cache_name[ELV_NAME_MAX + 5]; /* elvname + "_io_cq" */ + char icq_cache_name[ELV_NAME_MAX + 6]; /* elvname + "_io_cq" */ struct list_head list; }; diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 2b1a44f5..a89d37e 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -41,7 +41,7 @@ struct vm_area_struct; #define ___GFP_WRITE 0x800000u #define ___GFP_KSWAPD_RECLAIM 0x1000000u #ifdef CONFIG_LOCKDEP -#define ___GFP_NOLOCKDEP 0x4000000u +#define ___GFP_NOLOCKDEP 0x2000000u #else #define ___GFP_NOLOCKDEP 0 #endif diff --git a/include/linux/gpio/machine.h b/include/linux/gpio/machine.h index c0d712d..f738d50 100644 --- a/include/linux/gpio/machine.h +++ b/include/linux/gpio/machine.h @@ -56,7 +56,14 @@ struct gpiod_lookup_table { .flags = _flags, \ } +#ifdef CONFIG_GPIOLIB void gpiod_add_lookup_table(struct gpiod_lookup_table *table); void gpiod_remove_lookup_table(struct gpiod_lookup_table *table); +#else +static inline +void gpiod_add_lookup_table(struct gpiod_lookup_table *table) {} +static inline +void gpiod_remove_lookup_table(struct gpiod_lookup_table *table) {} +#endif #endif /* __LINUX_GPIO_MACHINE_H */ diff --git a/include/linux/hashtable.h b/include/linux/hashtable.h index 661e5c2..082dc1b 100644 --- a/include/linux/hashtable.h +++ b/include/linux/hashtable.h @@ -167,7 +167,6 @@ static inline void hash_del_rcu(struct hlist_node *node) /** * hash_for_each_possible_rcu - iterate over all possible objects hashing to the * same bucket in an rcu enabled hashtable - * in a rcu enabled hashtable * @name: hashtable to iterate * @obj: the type * to use as a loop cursor for each entry * @member: the name of the hlist_node within the struct diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index fffb912..1fa293a 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -417,6 +417,10 @@ #define ICH_HCR_EN (1 << 0) #define ICH_HCR_UIE (1 << 1) +#define ICH_VMCR_ACK_CTL_SHIFT 2 +#define ICH_VMCR_ACK_CTL_MASK (1 << ICH_VMCR_ACK_CTL_SHIFT) +#define ICH_VMCR_FIQ_EN_SHIFT 3 +#define ICH_VMCR_FIQ_EN_MASK (1 << ICH_VMCR_FIQ_EN_SHIFT) #define ICH_VMCR_CBPR_SHIFT 4 #define ICH_VMCR_CBPR_MASK (1 << ICH_VMCR_CBPR_SHIFT) #define ICH_VMCR_EOIM_SHIFT 9 diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h index dc30f3d..d3453ee 100644 --- a/include/linux/irqchip/arm-gic.h +++ b/include/linux/irqchip/arm-gic.h @@ -25,7 +25,18 @@ #define GICC_ENABLE 0x1 #define GICC_INT_PRI_THRESHOLD 0xf0 -#define GIC_CPU_CTRL_EOImodeNS (1 << 9) +#define GIC_CPU_CTRL_EnableGrp0_SHIFT 0 +#define GIC_CPU_CTRL_EnableGrp0 (1 << GIC_CPU_CTRL_EnableGrp0_SHIFT) +#define GIC_CPU_CTRL_EnableGrp1_SHIFT 1 +#define GIC_CPU_CTRL_EnableGrp1 (1 << GIC_CPU_CTRL_EnableGrp1_SHIFT) +#define GIC_CPU_CTRL_AckCtl_SHIFT 2 +#define GIC_CPU_CTRL_AckCtl (1 << GIC_CPU_CTRL_AckCtl_SHIFT) +#define GIC_CPU_CTRL_FIQEn_SHIFT 3 +#define GIC_CPU_CTRL_FIQEn (1 << GIC_CPU_CTRL_FIQEn_SHIFT) +#define GIC_CPU_CTRL_CBPR_SHIFT 4 +#define GIC_CPU_CTRL_CBPR (1 << GIC_CPU_CTRL_CBPR_SHIFT) +#define GIC_CPU_CTRL_EOImodeNS_SHIFT 9 +#define GIC_CPU_CTRL_EOImodeNS (1 << GIC_CPU_CTRL_EOImodeNS_SHIFT) #define GICC_IAR_INT_ID_MASK 0x3ff #define GICC_INT_SPURIOUS 1023 @@ -84,8 +95,19 @@ #define GICH_LR_EOI (1 << 19) #define GICH_LR_HW (1 << 31) -#define GICH_VMCR_CTRL_SHIFT 0 -#define GICH_VMCR_CTRL_MASK (0x21f << GICH_VMCR_CTRL_SHIFT) +#define GICH_VMCR_ENABLE_GRP0_SHIFT 0 +#define GICH_VMCR_ENABLE_GRP0_MASK (1 << GICH_VMCR_ENABLE_GRP0_SHIFT) +#define GICH_VMCR_ENABLE_GRP1_SHIFT 1 +#define GICH_VMCR_ENABLE_GRP1_MASK (1 << GICH_VMCR_ENABLE_GRP1_SHIFT) +#define GICH_VMCR_ACK_CTL_SHIFT 2 +#define GICH_VMCR_ACK_CTL_MASK (1 << GICH_VMCR_ACK_CTL_SHIFT) +#define GICH_VMCR_FIQ_EN_SHIFT 3 +#define GICH_VMCR_FIQ_EN_MASK (1 << GICH_VMCR_FIQ_EN_SHIFT) +#define GICH_VMCR_CBPR_SHIFT 4 +#define GICH_VMCR_CBPR_MASK (1 << GICH_VMCR_CBPR_SHIFT) +#define GICH_VMCR_EOI_MODE_SHIFT 9 +#define GICH_VMCR_EOI_MODE_MASK (1 << GICH_VMCR_EOI_MODE_SHIFT) + #define GICH_VMCR_PRIMASK_SHIFT 27 #define GICH_VMCR_PRIMASK_MASK (0x1f << GICH_VMCR_PRIMASK_SHIFT) #define GICH_VMCR_BINPOINT_SHIFT 21 diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h index 36872fb..734377a 100644 --- a/include/linux/jiffies.h +++ b/include/linux/jiffies.h @@ -64,13 +64,17 @@ extern int register_refined_jiffies(long clock_tick_rate); /* TICK_USEC is the time between ticks in usec assuming fake USER_HZ */ #define TICK_USEC ((1000000UL + USER_HZ/2) / USER_HZ) +#ifndef __jiffy_arch_data +#define __jiffy_arch_data +#endif + /* * The 64-bit value is not atomic - you MUST NOT read it * without sampling the sequence number in jiffies_lock. * get_jiffies_64() will do this for you as appropriate. */ extern u64 __cacheline_aligned_in_smp jiffies_64; -extern unsigned long volatile __cacheline_aligned_in_smp jiffies; +extern unsigned long volatile __cacheline_aligned_in_smp __jiffy_arch_data jiffies; #if (BITS_PER_LONG < 64) u64 get_jiffies_64(void); diff --git a/include/linux/key.h b/include/linux/key.h index 0c9b93b..78e25aa 100644 --- a/include/linux/key.h +++ b/include/linux/key.h @@ -173,7 +173,6 @@ struct key { #ifdef KEY_DEBUGGING unsigned magic; #define KEY_DEBUG_MAGIC 0x18273645u -#define KEY_DEBUG_MAGIC_X 0xf8e9dacbu #endif unsigned long flags; /* status flags (change with bitops) */ diff --git a/include/linux/kobject.h b/include/linux/kobject.h index ca85cb8..12f5ddc 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -57,6 +57,8 @@ enum kobject_action { KOBJ_MOVE, KOBJ_ONLINE, KOBJ_OFFLINE, + KOBJ_BIND, + KOBJ_UNBIND, KOBJ_MAX }; diff --git a/include/linux/memblock.h b/include/linux/memblock.h index 4ce24a3..8098695 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -425,12 +425,20 @@ static inline void early_memtest(phys_addr_t start, phys_addr_t end) } #endif +extern unsigned long memblock_reserved_memory_within(phys_addr_t start_addr, + phys_addr_t end_addr); #else static inline phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align) { return 0; } +static inline unsigned long memblock_reserved_memory_within(phys_addr_t start_addr, + phys_addr_t end_addr) +{ + return 0; +} + #endif /* CONFIG_HAVE_MEMBLOCK */ #endif /* __KERNEL__ */ diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h index b4ee8f6..8e2828d 100644 --- a/include/linux/mlx4/qp.h +++ b/include/linux/mlx4/qp.h @@ -470,6 +470,7 @@ struct mlx4_update_qp_params { u16 rate_val; }; +struct mlx4_qp *mlx4_qp_lookup(struct mlx4_dev *dev, u32 qpn); int mlx4_update_qp(struct mlx4_dev *dev, u32 qpn, enum mlx4_update_qp_attr attr, struct mlx4_update_qp_params *params); diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 32de072..edafedb 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -766,6 +766,12 @@ enum { MLX5_CAP_PORT_TYPE_ETH = 0x1, }; +enum { + MLX5_CAP_UMR_FENCE_STRONG = 0x0, + MLX5_CAP_UMR_FENCE_SMALL = 0x1, + MLX5_CAP_UMR_FENCE_NONE = 0x2, +}; + struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_0[0x80]; @@ -875,7 +881,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_202[0x1]; u8 ipoib_enhanced_offloads[0x1]; u8 ipoib_basic_offloads[0x1]; - u8 reserved_at_205[0xa]; + u8 reserved_at_205[0x5]; + u8 umr_fence[0x2]; + u8 reserved_at_20c[0x3]; u8 drain_sigerr[0x1]; u8 cmdif_checksum[0x2]; u8 sigerr_cqe[0x1]; diff --git a/include/linux/mm.h b/include/linux/mm.h index 7cb17c6..6f543a4 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1393,12 +1393,6 @@ int clear_page_dirty_for_io(struct page *page); int get_cmdline(struct task_struct *task, char *buffer, int buflen); -/* Is the vma a continuation of the stack vma above it? */ -static inline int vma_growsdown(struct vm_area_struct *vma, unsigned long addr) -{ - return vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN); -} - static inline bool vma_is_anonymous(struct vm_area_struct *vma) { return !vma->vm_ops; @@ -1414,28 +1408,6 @@ bool vma_is_shmem(struct vm_area_struct *vma); static inline bool vma_is_shmem(struct vm_area_struct *vma) { return false; } #endif -static inline int stack_guard_page_start(struct vm_area_struct *vma, - unsigned long addr) -{ - return (vma->vm_flags & VM_GROWSDOWN) && - (vma->vm_start == addr) && - !vma_growsdown(vma->vm_prev, addr); -} - -/* Is the vma a continuation of the stack vma below it? */ -static inline int vma_growsup(struct vm_area_struct *vma, unsigned long addr) -{ - return vma && (vma->vm_start == addr) && (vma->vm_flags & VM_GROWSUP); -} - -static inline int stack_guard_page_end(struct vm_area_struct *vma, - unsigned long addr) -{ - return (vma->vm_flags & VM_GROWSUP) && - (vma->vm_end == addr) && - !vma_growsup(vma->vm_next, addr); -} - int vma_is_stack_for_current(struct vm_area_struct *vma); extern unsigned long move_page_tables(struct vm_area_struct *vma, @@ -2222,6 +2194,7 @@ void page_cache_async_readahead(struct address_space *mapping, pgoff_t offset, unsigned long size); +extern unsigned long stack_guard_gap; /* Generic expand stack which grows the stack according to GROWS{UP,DOWN} */ extern int expand_stack(struct vm_area_struct *vma, unsigned long address); @@ -2250,6 +2223,30 @@ static inline struct vm_area_struct * find_vma_intersection(struct mm_struct * m return vma; } +static inline unsigned long vm_start_gap(struct vm_area_struct *vma) +{ + unsigned long vm_start = vma->vm_start; + + if (vma->vm_flags & VM_GROWSDOWN) { + vm_start -= stack_guard_gap; + if (vm_start > vma->vm_start) + vm_start = 0; + } + return vm_start; +} + +static inline unsigned long vm_end_gap(struct vm_area_struct *vma) +{ + unsigned long vm_end = vma->vm_end; + + if (vma->vm_flags & VM_GROWSUP) { + vm_end += stack_guard_gap; + if (vm_end < vma->vm_end) + vm_end = -PAGE_SIZE; + } + return vm_end; +} + static inline unsigned long vma_pages(struct vm_area_struct *vma) { return (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; @@ -2327,6 +2324,17 @@ static inline struct page *follow_page(struct vm_area_struct *vma, #define FOLL_REMOTE 0x2000 /* we are working on non-current tsk/mm */ #define FOLL_COW 0x4000 /* internal GUP flag */ +static inline int vm_fault_to_errno(int vm_fault, int foll_flags) +{ + if (vm_fault & VM_FAULT_OOM) + return -ENOMEM; + if (vm_fault & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE)) + return (foll_flags & FOLL_HWPOISON) ? -EHWPOISON : -EFAULT; + if (vm_fault & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV)) + return -EFAULT; + return 0; +} + typedef int (*pte_fn_t)(pte_t *pte, pgtable_t token, unsigned long addr, void *data); extern int apply_to_page_range(struct mm_struct *mm, unsigned long address, diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index ebaccd4..ef6a13b 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -678,6 +678,7 @@ typedef struct pglist_data { * is the first PFN that needs to be initialised. */ unsigned long first_deferred_pfn; + unsigned long static_init_size; #endif /* CONFIG_DEFERRED_STRUCT_PAGE_INIT */ #ifdef CONFIG_TRANSPARENT_HUGEPAGE diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 566fda5..3f74ef2 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -467,6 +467,7 @@ enum dmi_field { DMI_PRODUCT_VERSION, DMI_PRODUCT_SERIAL, DMI_PRODUCT_UUID, + DMI_PRODUCT_FAMILY, DMI_BOARD_VENDOR, DMI_BOARD_NAME, DMI_BOARD_VERSION, diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index 6be1949..1ee7b30 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -457,7 +457,7 @@ enum hwparam_type { hwparam_ioport, /* Module parameter configures an I/O port */ hwparam_iomem, /* Module parameter configures an I/O mem address */ hwparam_ioport_or_iomem, /* Module parameter could be either, depending on other option */ - hwparam_irq, /* Module parameter configures an I/O port */ + hwparam_irq, /* Module parameter configures an IRQ */ hwparam_dma, /* Module parameter configures a DMA channel */ hwparam_dma_addr, /* Module parameter configures a DMA buffer address */ hwparam_other, /* Module parameter configures some other value */ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 3f39d27..4ed952c 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -914,8 +914,7 @@ struct xfrmdev_ops { * * int (*ndo_change_mtu)(struct net_device *dev, int new_mtu); * Called when a user wants to change the Maximum Transfer Unit - * of a device. If not defined, any request to change MTU will - * will return an error. + * of a device. * * void (*ndo_tx_timeout)(struct net_device *dev); * Callback used when the transmitter has not made any progress @@ -1596,8 +1595,8 @@ enum netdev_priv_flags { * @rtnl_link_state: This enum represents the phases of creating * a new link * - * @destructor: Called from unregister, - * can be used to call free_netdev + * @needs_free_netdev: Should unregister perform free_netdev? + * @priv_destructor: Called from unregister * @npinfo: XXX: need comments on this one * @nd_net: Network namespace this network device is inside * @@ -1858,7 +1857,8 @@ struct net_device { RTNL_LINK_INITIALIZING, } rtnl_link_state:16; - void (*destructor)(struct net_device *dev); + bool needs_free_netdev; + void (*priv_destructor)(struct net_device *dev); #ifdef CONFIG_NETPOLL struct netpoll_info __rcu *npinfo; @@ -4261,6 +4261,11 @@ static inline const char *netdev_name(const struct net_device *dev) return dev->name; } +static inline bool netdev_unregistering(const struct net_device *dev) +{ + return dev->reg_state == NETREG_UNREGISTERING; +} + static inline const char *netdev_reg_state(const struct net_device *dev) { switch (dev->reg_state) { diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h index 279e3c5..7620eb1 100644 --- a/include/linux/pinctrl/pinconf-generic.h +++ b/include/linux/pinctrl/pinconf-generic.h @@ -42,8 +42,6 @@ * @PIN_CONFIG_BIAS_PULL_UP: the pin will be pulled up (usually with high * impedance to VDD). If the argument is != 0 pull-up is enabled, * if it is 0, pull-up is total, i.e. the pin is connected to VDD. - * @PIN_CONFIG_BIDIRECTIONAL: the pin will be configured to allow simultaneous - * input and output operations. * @PIN_CONFIG_DRIVE_OPEN_DRAIN: the pin will be driven with open drain (open * collector) which means it is usually wired with other output ports * which are then pulled up with an external resistor. Setting this @@ -98,7 +96,6 @@ enum pin_config_param { PIN_CONFIG_BIAS_PULL_DOWN, PIN_CONFIG_BIAS_PULL_PIN_DEFAULT, PIN_CONFIG_BIAS_PULL_UP, - PIN_CONFIG_BIDIRECTIONAL, PIN_CONFIG_DRIVE_OPEN_DRAIN, PIN_CONFIG_DRIVE_OPEN_SOURCE, PIN_CONFIG_DRIVE_PUSH_PULL, diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h index 9c6f768..dda22f4 100644 --- a/include/linux/quotaops.h +++ b/include/linux/quotaops.h @@ -44,6 +44,7 @@ void inode_sub_rsv_space(struct inode *inode, qsize_t number); void inode_reclaim_rsv_space(struct inode *inode, qsize_t number); int dquot_initialize(struct inode *inode); +bool dquot_initialize_needed(struct inode *inode); void dquot_drop(struct inode *inode); struct dquot *dqget(struct super_block *sb, struct kqid qid); static inline struct dquot *dqgrab(struct dquot *dquot) @@ -207,6 +208,11 @@ static inline int dquot_initialize(struct inode *inode) return 0; } +static inline bool dquot_initialize_needed(struct inode *inode) +{ + return false; +} + static inline void dquot_drop(struct inode *inode) { } diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index 07ef550..93315d6 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -84,6 +84,7 @@ struct kmem_cache { int red_left_pad; /* Left redzone padding size */ #ifdef CONFIG_SYSFS struct kobject kobj; /* For sysfs */ + struct work_struct kobj_remove_work; #endif #ifdef CONFIG_MEMCG struct memcg_cache_params memcg_params; diff --git a/include/linux/srcu.h b/include/linux/srcu.h index 167ad88..4c1d5f7 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -172,9 +172,7 @@ static inline int srcu_read_lock(struct srcu_struct *sp) __acquires(sp) { int retval; - preempt_disable(); retval = __srcu_read_lock(sp); - preempt_enable(); rcu_lock_acquire(&(sp)->dep_map); return retval; } diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 9463102..11cef5a 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -336,7 +336,8 @@ xdr_argsize_check(struct svc_rqst *rqstp, __be32 *p) { char *cp = (char *)p; struct kvec *vec = &rqstp->rq_arg.head[0]; - return cp == (char *)vec->iov_base + vec->iov_len; + return cp >= (char*)vec->iov_base + && cp <= (char*)vec->iov_base + vec->iov_len; } static inline int diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 0b1cf32..d971837 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -189,8 +189,6 @@ struct platform_suspend_ops { struct platform_freeze_ops { int (*begin)(void); int (*prepare)(void); - void (*wake)(void); - void (*sync)(void); void (*restore)(void); void (*end)(void); }; @@ -430,8 +428,7 @@ extern unsigned int pm_wakeup_irq; extern bool pm_wakeup_pending(void); extern void pm_system_wakeup(void); -extern void pm_system_cancel_wakeup(void); -extern void pm_wakeup_clear(bool reset); +extern void pm_wakeup_clear(void); extern void pm_system_irq_wakeup(unsigned int irq_number); extern bool pm_get_wakeup_count(unsigned int *count, bool block); extern bool pm_save_wakeup_count(unsigned int count); @@ -481,7 +478,7 @@ static inline int unregister_pm_notifier(struct notifier_block *nb) static inline bool pm_wakeup_pending(void) { return false; } static inline void pm_system_wakeup(void) {} -static inline void pm_wakeup_clear(bool reset) {} +static inline void pm_wakeup_clear(void) {} static inline void pm_system_irq_wakeup(unsigned int irq_number) {} static inline void lock_system_sleep(void) {} diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h index 110f453..f7043cc 100644 --- a/include/linux/timekeeper_internal.h +++ b/include/linux/timekeeper_internal.h @@ -29,7 +29,6 @@ */ struct tk_read_base { struct clocksource *clock; - u64 (*read)(struct clocksource *cs); u64 mask; u64 cycle_last; u32 mult; @@ -58,7 +57,7 @@ struct tk_read_base { * interval. * @xtime_remainder: Shifted nano seconds left over when rounding * @cycle_interval - * @raw_interval: Raw nano seconds accumulated per NTP interval. + * @raw_interval: Shifted raw nano seconds accumulated per NTP interval. * @ntp_error: Difference between accumulated time and NTP time in ntp * shifted nano seconds. * @ntp_error_shift: Shift conversion between clock shifted nano seconds and @@ -100,7 +99,7 @@ struct timekeeper { u64 cycle_interval; u64 xtime_interval; s64 xtime_remainder; - u32 raw_interval; + u64 raw_interval; /* The ntp_tick_length() value currently being used. * This cached copy ensures we consistently apply the tick * length for an entire tick, as ntp_tick_length may change diff --git a/include/media/cec-notifier.h b/include/media/cec-notifier.h index eb50ce5..298f996 100644 --- a/include/media/cec-notifier.h +++ b/include/media/cec-notifier.h @@ -29,7 +29,7 @@ struct edid; struct cec_adapter; struct cec_notifier; -#ifdef CONFIG_MEDIA_CEC_NOTIFIER +#if IS_REACHABLE(CONFIG_CEC_CORE) && IS_ENABLED(CONFIG_CEC_NOTIFIER) /** * cec_notifier_get - find or create a new cec_notifier for the given device. @@ -106,6 +106,16 @@ static inline void cec_notifier_set_phys_addr_from_edid(struct cec_notifier *n, { } +static inline void cec_notifier_register(struct cec_notifier *n, + struct cec_adapter *adap, + void (*callback)(struct cec_adapter *adap, u16 pa)) +{ +} + +static inline void cec_notifier_unregister(struct cec_notifier *n) +{ +} + #endif #endif diff --git a/include/media/cec.h b/include/media/cec.h index b8eb895..201f060 100644 --- a/include/media/cec.h +++ b/include/media/cec.h @@ -173,7 +173,7 @@ struct cec_adapter { bool passthrough; struct cec_log_addrs log_addrs; -#ifdef CONFIG_MEDIA_CEC_NOTIFIER +#ifdef CONFIG_CEC_NOTIFIER struct cec_notifier *notifier; #endif @@ -206,7 +206,7 @@ static inline bool cec_is_sink(const struct cec_adapter *adap) #define cec_phys_addr_exp(pa) \ ((pa) >> 12), ((pa) >> 8) & 0xf, ((pa) >> 4) & 0xf, (pa) & 0xf -#if IS_ENABLED(CONFIG_CEC_CORE) +#if IS_REACHABLE(CONFIG_CEC_CORE) struct cec_adapter *cec_allocate_adapter(const struct cec_adap_ops *ops, void *priv, const char *name, u32 caps, u8 available_las); int cec_register_adapter(struct cec_adapter *adap, struct device *parent); @@ -300,7 +300,7 @@ u16 cec_phys_addr_for_input(u16 phys_addr, u8 input); */ int cec_phys_addr_validate(u16 phys_addr, u16 *parent, u16 *port); -#ifdef CONFIG_MEDIA_CEC_NOTIFIER +#ifdef CONFIG_CEC_NOTIFIER void cec_register_cec_notifier(struct cec_adapter *adap, struct cec_notifier *notifier); #endif diff --git a/include/net/ipv6.h b/include/net/ipv6.h index dbf0abb..3e505bb 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -1007,6 +1007,7 @@ int inet6_hash_connect(struct inet_timewait_death_row *death_row, */ extern const struct proto_ops inet6_stream_ops; extern const struct proto_ops inet6_dgram_ops; +extern const struct proto_ops inet6_sockraw_ops; struct group_source_req; struct group_filter; diff --git a/include/net/tcp.h b/include/net/tcp.h index 38a7427..be6223c 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -924,7 +924,7 @@ struct tcp_congestion_ops { void (*cwnd_event)(struct sock *sk, enum tcp_ca_event ev); /* call when ack arrives (optional) */ void (*in_ack_event)(struct sock *sk, u32 flags); - /* new value of cwnd after loss (optional) */ + /* new value of cwnd after loss (required) */ u32 (*undo_cwnd)(struct sock *sk); /* hook for packet ack accounting (optional) */ void (*pkts_acked)(struct sock *sk, const struct ack_sample *sample); diff --git a/include/net/wext.h b/include/net/wext.h index 3459119..454ff76 100644 --- a/include/net/wext.h +++ b/include/net/wext.h @@ -6,7 +6,7 @@ struct net; #ifdef CONFIG_WEXT_CORE -int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd, +int wext_handle_ioctl(struct net *net, struct iwreq *iwr, unsigned int cmd, void __user *arg); int compat_wext_handle_ioctl(struct net *net, unsigned int cmd, unsigned long arg); @@ -14,7 +14,7 @@ int compat_wext_handle_ioctl(struct net *net, unsigned int cmd, struct iw_statistics *get_wireless_stats(struct net_device *dev); int call_commit_handler(struct net_device *dev); #else -static inline int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd, +static inline int wext_handle_ioctl(struct net *net, struct iwreq *iwr, unsigned int cmd, void __user *arg) { return -EINVAL; diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 7e7e2b0..62f5a25 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1850,8 +1850,9 @@ static inline struct xfrm_offload *xfrm_offload(struct sk_buff *skb) } #endif -#ifdef CONFIG_XFRM_OFFLOAD void __net_init xfrm_dev_init(void); + +#ifdef CONFIG_XFRM_OFFLOAD int validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t features); int xfrm_dev_state_add(struct net *net, struct xfrm_state *x, struct xfrm_user_offload *xuo); @@ -1877,10 +1878,6 @@ static inline void xfrm_dev_state_free(struct xfrm_state *x) } } #else -static inline void __net_init xfrm_dev_init(void) -{ -} - static inline int validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t features) { return 0; diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h index f5f70e3..355b81f 100644 --- a/include/rdma/ib_sa.h +++ b/include/rdma/ib_sa.h @@ -158,7 +158,6 @@ enum sa_path_rec_type { }; struct sa_path_rec_ib { - __be64 service_id; __be16 dlid; __be16 slid; u8 raw_traffic; @@ -174,7 +173,6 @@ struct sa_path_rec_roce { }; struct sa_path_rec_opa { - __be64 service_id; __be32 dlid; __be32 slid; u8 raw_traffic; @@ -189,6 +187,7 @@ struct sa_path_rec_opa { struct sa_path_rec { union ib_gid dgid; union ib_gid sgid; + __be64 service_id; /* reserved */ __be32 flow_label; u8 hop_limit; @@ -262,7 +261,7 @@ static inline void path_conv_opa_to_ib(struct sa_path_rec *ib, ib->ib.dlid = htons(ntohl(opa->opa.dlid)); ib->ib.slid = htons(ntohl(opa->opa.slid)); } - ib->ib.service_id = opa->opa.service_id; + ib->service_id = opa->service_id; ib->ib.raw_traffic = opa->opa.raw_traffic; } @@ -281,7 +280,7 @@ static inline void path_conv_ib_to_opa(struct sa_path_rec *opa, } opa->opa.slid = slid; opa->opa.dlid = dlid; - opa->opa.service_id = ib->ib.service_id; + opa->service_id = ib->service_id; opa->opa.raw_traffic = ib->ib.raw_traffic; } @@ -591,15 +590,6 @@ static inline bool sa_path_is_roce(struct sa_path_rec *rec) (rec->rec_type == SA_PATH_REC_TYPE_ROCE_V2)); } -static inline void sa_path_set_service_id(struct sa_path_rec *rec, - __be64 service_id) -{ - if (rec->rec_type == SA_PATH_REC_TYPE_IB) - rec->ib.service_id = service_id; - else if (rec->rec_type == SA_PATH_REC_TYPE_OPA) - rec->opa.service_id = service_id; -} - static inline void sa_path_set_slid(struct sa_path_rec *rec, __be32 slid) { if (rec->rec_type == SA_PATH_REC_TYPE_IB) @@ -625,15 +615,6 @@ static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec, rec->opa.raw_traffic = raw_traffic; } -static inline __be64 sa_path_get_service_id(struct sa_path_rec *rec) -{ - if (rec->rec_type == SA_PATH_REC_TYPE_IB) - return rec->ib.service_id; - else if (rec->rec_type == SA_PATH_REC_TYPE_OPA) - return rec->opa.service_id; - return 0; -} - static inline __be32 sa_path_get_slid(struct sa_path_rec *rec) { if (rec->rec_type == SA_PATH_REC_TYPE_IB) diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h index 5852661..348c102 100644 --- a/include/rdma/rdma_netlink.h +++ b/include/rdma/rdma_netlink.h @@ -10,9 +10,6 @@ struct ibnl_client_cbs { struct module *module; }; -int ibnl_init(void); -void ibnl_cleanup(void); - /** * Add a a client to the list of IB netlink exporters. * @index: Index of the added client @@ -77,11 +74,4 @@ int ibnl_unicast(struct sk_buff *skb, struct nlmsghdr *nlh, int ibnl_multicast(struct sk_buff *skb, struct nlmsghdr *nlh, unsigned int group, gfp_t flags); -/** - * Check if there are any listeners to the netlink group - * @group: the netlink group ID - * Returns 0 on success or a negative for no listeners. - */ -int ibnl_chk_listeners(unsigned int group); - #endif /* _RDMA_NETLINK_H */ diff --git a/include/target/iscsi/iscsi_target_core.h b/include/target/iscsi/iscsi_target_core.h index 275581d..5f17fb7 100644 --- a/include/target/iscsi/iscsi_target_core.h +++ b/include/target/iscsi/iscsi_target_core.h @@ -557,6 +557,7 @@ struct iscsi_conn { #define LOGIN_FLAGS_READ_ACTIVE 1 #define LOGIN_FLAGS_CLOSED 2 #define LOGIN_FLAGS_READY 4 +#define LOGIN_FLAGS_INITIAL_PDU 8 unsigned long login_flags; struct delayed_work login_work; struct delayed_work login_cleanup_work; diff --git a/include/uapi/linux/a.out.h b/include/uapi/linux/a.out.h index 7caf44c..295cd3e 100644 --- a/include/uapi/linux/a.out.h +++ b/include/uapi/linux/a.out.h @@ -112,24 +112,7 @@ enum machine_type { #define N_TXTADDR(x) (N_MAGIC(x) == QMAGIC ? PAGE_SIZE : 0) #endif -/* Address of data segment in memory after it is loaded. - Note that it is up to you to define SEGMENT_SIZE - on machines not listed here. */ -#if defined(vax) || defined(hp300) || defined(pyr) -#define SEGMENT_SIZE page_size -#endif -#ifdef sony -#define SEGMENT_SIZE 0x2000 -#endif /* Sony. */ -#ifdef is68k -#define SEGMENT_SIZE 0x20000 -#endif -#if defined(m68k) && defined(PORTAR) -#define PAGE_SIZE 0x400 -#define SEGMENT_SIZE PAGE_SIZE -#endif - -#ifdef linux +/* Address of data segment in memory after it is loaded. */ #ifndef __KERNEL__ #include <unistd.h> #endif @@ -142,7 +125,6 @@ enum machine_type { #endif #endif #endif -#endif #define _N_SEGMENT_ROUND(x) ALIGN(x, SEGMENT_SIZE) @@ -260,13 +242,7 @@ struct relocation_info unsigned int r_extern:1; /* Four bits that aren't used, but when writing an object file it is desirable to clear them. */ -#ifdef NS32K - unsigned r_bsr:1; - unsigned r_disp:1; - unsigned r_pad:2; -#else unsigned int r_pad:4; -#endif }; #endif /* no N_RELOCATION_INFO_DECLARED. */ diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index d179d77..7d4a594 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -1486,8 +1486,10 @@ enum ethtool_link_mode_bit_indices { * it was forced up into this mode or autonegotiated. */ -/* The forced speed, in units of 1Mb. All values 0 to INT_MAX are legal. */ -/* Update drivers/net/phy/phy.c:phy_speed_to_str() when adding new values */ +/* The forced speed, in units of 1Mb. All values 0 to INT_MAX are legal. + * Update drivers/net/phy/phy.c:phy_speed_to_str() and + * drivers/net/bonding/bond_3ad.c:__get_link_speed() when adding new values. + */ #define SPEED_10 10 #define SPEED_100 100 #define SPEED_1000 1000 diff --git a/include/uapi/linux/keyctl.h b/include/uapi/linux/keyctl.h index 201c6644..ef16df0 100644 --- a/include/uapi/linux/keyctl.h +++ b/include/uapi/linux/keyctl.h @@ -70,8 +70,8 @@ struct keyctl_dh_params { }; struct keyctl_kdf_params { - char *hashname; - char *otherinfo; + char __user *hashname; + char __user *otherinfo; __u32 otherinfolen; __u32 __spare[8]; }; diff --git a/include/uapi/linux/openvswitch.h b/include/uapi/linux/openvswitch.h index 61b7d36..156ee4c 100644 --- a/include/uapi/linux/openvswitch.h +++ b/include/uapi/linux/openvswitch.h @@ -343,6 +343,7 @@ enum ovs_key_attr { #define OVS_KEY_ATTR_MAX (__OVS_KEY_ATTR_MAX - 1) enum ovs_tunnel_key_attr { + /* OVS_TUNNEL_KEY_ATTR_NONE, standard nl API requires this attribute! */ OVS_TUNNEL_KEY_ATTR_ID, /* be64 Tunnel ID */ OVS_TUNNEL_KEY_ATTR_IPV4_SRC, /* be32 src IP address. */ OVS_TUNNEL_KEY_ATTR_IPV4_DST, /* be32 dst IP address. */ diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 339c8a1..a8a7256 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -989,6 +989,11 @@ static int check_xadd(struct bpf_verifier_env *env, struct bpf_insn *insn) if (err) return err; + if (is_pointer_value(env, insn->src_reg)) { + verbose("R%d leaks addr into mem\n", insn->src_reg); + return -EACCES; + } + /* check whether atomic_add can read the memory */ err = check_mem_access(env, insn->dst_reg, insn->off, BPF_SIZE(insn->code), BPF_READ, -1); diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index c3c9a0e..8d4e85e 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -4265,6 +4265,11 @@ static void kill_css(struct cgroup_subsys_state *css) { lockdep_assert_held(&cgroup_mutex); + if (css->flags & CSS_DYING) + return; + + css->flags |= CSS_DYING; + /* * This must happen before css is disassociated with its cgroup. * See seq_css() for details. diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c index f6501f4..ae64341 100644 --- a/kernel/cgroup/cpuset.c +++ b/kernel/cgroup/cpuset.c @@ -176,9 +176,9 @@ typedef enum { } cpuset_flagbits_t; /* convenient tests for these bits */ -static inline bool is_cpuset_online(const struct cpuset *cs) +static inline bool is_cpuset_online(struct cpuset *cs) { - return test_bit(CS_ONLINE, &cs->flags); + return test_bit(CS_ONLINE, &cs->flags) && !css_is_dying(&cs->css); } static inline int is_cpu_exclusive(const struct cpuset *cs) diff --git a/kernel/cpu.c b/kernel/cpu.c index 9ae6fbe..cb51034 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -1658,13 +1658,13 @@ static ssize_t write_cpuhp_target(struct device *dev, ret = !sp->name || sp->cant_stop ? -EINVAL : 0; mutex_unlock(&cpuhp_state_mutex); if (ret) - return ret; + goto out; if (st->state < target) ret = do_cpu_up(dev->id, target); else ret = do_cpu_down(dev->id, target); - +out: unlock_device_hotplug(); return ret ? ret : count; } diff --git a/kernel/events/core.c b/kernel/events/core.c index 6e75a5c..6c4e523 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -7316,6 +7316,21 @@ int perf_event_account_interrupt(struct perf_event *event) return __perf_event_account_interrupt(event, 1); } +static bool sample_is_allowed(struct perf_event *event, struct pt_regs *regs) +{ + /* + * Due to interrupt latency (AKA "skid"), we may enter the + * kernel before taking an overflow, even if the PMU is only + * counting user events. + * To avoid leaking information to userspace, we must always + * reject kernel samples when exclude_kernel is set. + */ + if (event->attr.exclude_kernel && !user_mode(regs)) + return false; + + return true; +} + /* * Generic event overflow handling, sampling. */ @@ -7337,6 +7352,12 @@ static int __perf_event_overflow(struct perf_event *event, ret = __perf_event_account_interrupt(event, throttle); /* + * For security, drop the skid kernel samples if necessary. + */ + if (!sample_is_allowed(event, regs)) + return ret; + + /* * XXX event_limit might not quite work as expected on inherited * events */ diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c index 2831480..ee97196 100644 --- a/kernel/events/ring_buffer.c +++ b/kernel/events/ring_buffer.c @@ -580,7 +580,7 @@ int rb_alloc_aux(struct ring_buffer *rb, struct perf_event *event, int ret = -ENOMEM, max_order = 0; if (!has_aux(event)) - return -ENOTSUPP; + return -EOPNOTSUPP; if (event->pmu->capabilities & PERF_PMU_CAP_AUX_NO_SG) { /* diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 070be98..425170d 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1312,8 +1312,10 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) ret = __irq_set_trigger(desc, new->flags & IRQF_TRIGGER_MASK); - if (ret) + if (ret) { + irq_release_resources(desc); goto out_mask; + } } desc->istate &= ~(IRQS_AUTODETECT | IRQS_SPURIOUS_DISABLED | \ diff --git a/kernel/livepatch/Kconfig b/kernel/livepatch/Kconfig index 0450225..ec45651 100644 --- a/kernel/livepatch/Kconfig +++ b/kernel/livepatch/Kconfig @@ -10,6 +10,7 @@ config LIVEPATCH depends on SYSFS depends on KALLSYMS_ALL depends on HAVE_LIVEPATCH + depends on !TRIM_UNUSED_KSYMS help Say Y here if you want to support kernel live patching. This option has no runtime impact until a kernel "patch" diff --git a/kernel/livepatch/patch.c b/kernel/livepatch/patch.c index f826903..52c4e90 100644 --- a/kernel/livepatch/patch.c +++ b/kernel/livepatch/patch.c @@ -59,7 +59,11 @@ static void notrace klp_ftrace_handler(unsigned long ip, ops = container_of(fops, struct klp_ops, fops); - rcu_read_lock(); + /* + * A variant of synchronize_sched() is used to allow patching functions + * where RCU is not watching, see klp_synchronize_transition(). + */ + preempt_disable_notrace(); func = list_first_or_null_rcu(&ops->func_stack, struct klp_func, stack_node); @@ -115,7 +119,7 @@ static void notrace klp_ftrace_handler(unsigned long ip, klp_arch_set_pc(regs, (unsigned long)func->new_func); unlock: - rcu_read_unlock(); + preempt_enable_notrace(); } /* diff --git a/kernel/livepatch/transition.c b/kernel/livepatch/transition.c index adc0cc6..b004a1f 100644 --- a/kernel/livepatch/transition.c +++ b/kernel/livepatch/transition.c @@ -49,6 +49,28 @@ static void klp_transition_work_fn(struct work_struct *work) static DECLARE_DELAYED_WORK(klp_transition_work, klp_transition_work_fn); /* + * This function is just a stub to implement a hard force + * of synchronize_sched(). This requires synchronizing + * tasks even in userspace and idle. + */ +static void klp_sync(struct work_struct *work) +{ +} + +/* + * We allow to patch also functions where RCU is not watching, + * e.g. before user_exit(). We can not rely on the RCU infrastructure + * to do the synchronization. Instead hard force the sched synchronization. + * + * This approach allows to use RCU functions for manipulating func_stack + * safely. + */ +static void klp_synchronize_transition(void) +{ + schedule_on_each_cpu(klp_sync); +} + +/* * The transition to the target patch state is complete. Clean up the data * structures. */ @@ -73,7 +95,7 @@ static void klp_complete_transition(void) * func->transition gets cleared, the handler may choose a * removed function. */ - synchronize_rcu(); + klp_synchronize_transition(); } if (klp_transition_patch->immediate) @@ -92,7 +114,7 @@ static void klp_complete_transition(void) /* Prevent klp_ftrace_handler() from seeing KLP_UNDEFINED state */ if (klp_target_state == KLP_PATCHED) - synchronize_rcu(); + klp_synchronize_transition(); read_lock(&tasklist_lock); for_each_process_thread(g, task) { @@ -136,7 +158,11 @@ void klp_cancel_transition(void) */ void klp_update_patch_state(struct task_struct *task) { - rcu_read_lock(); + /* + * A variant of synchronize_sched() is used to allow patching functions + * where RCU is not watching, see klp_synchronize_transition(). + */ + preempt_disable_notrace(); /* * This test_and_clear_tsk_thread_flag() call also serves as a read @@ -153,7 +179,7 @@ void klp_update_patch_state(struct task_struct *task) if (test_and_clear_tsk_thread_flag(task, TIF_PATCH_PENDING)) task->patch_state = READ_ONCE(klp_target_state); - rcu_read_unlock(); + preempt_enable_notrace(); } /* @@ -539,7 +565,7 @@ void klp_reverse_transition(void) clear_tsk_thread_flag(idle_task(cpu), TIF_PATCH_PENDING); /* Let any remaining calls to klp_update_patch_state() complete */ - synchronize_rcu(); + klp_synchronize_transition(); klp_start_transition(); } diff --git a/kernel/power/process.c b/kernel/power/process.c index 78672d3..c7209f0 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -132,7 +132,7 @@ int freeze_processes(void) if (!pm_freezing) atomic_inc(&system_freezing_cnt); - pm_wakeup_clear(true); + pm_wakeup_clear(); pr_info("Freezing user space processes ... "); pm_freezing = true; error = try_to_freeze_tasks(true); diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c index c0248c7..15e6bae 100644 --- a/kernel/power/suspend.c +++ b/kernel/power/suspend.c @@ -72,8 +72,6 @@ static void freeze_begin(void) static void freeze_enter(void) { - trace_suspend_resume(TPS("machine_suspend"), PM_SUSPEND_FREEZE, true); - spin_lock_irq(&suspend_freeze_lock); if (pm_wakeup_pending()) goto out; @@ -100,27 +98,6 @@ static void freeze_enter(void) out: suspend_freeze_state = FREEZE_STATE_NONE; spin_unlock_irq(&suspend_freeze_lock); - - trace_suspend_resume(TPS("machine_suspend"), PM_SUSPEND_FREEZE, false); -} - -static void s2idle_loop(void) -{ - do { - freeze_enter(); - - if (freeze_ops && freeze_ops->wake) - freeze_ops->wake(); - - dpm_resume_noirq(PMSG_RESUME); - if (freeze_ops && freeze_ops->sync) - freeze_ops->sync(); - - if (pm_wakeup_pending()) - break; - - pm_wakeup_clear(false); - } while (!dpm_suspend_noirq(PMSG_SUSPEND)); } void freeze_wake(void) @@ -394,8 +371,10 @@ static int suspend_enter(suspend_state_t state, bool *wakeup) * all the devices are suspended. */ if (state == PM_SUSPEND_FREEZE) { - s2idle_loop(); - goto Platform_early_resume; + trace_suspend_resume(TPS("machine_suspend"), state, true); + freeze_enter(); + trace_suspend_resume(TPS("machine_suspend"), state, false); + goto Platform_wake; } error = disable_nonboot_cpus(); diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index a1aecf4..a1db38a 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -269,7 +269,6 @@ static struct console *exclusive_console; #define MAX_CMDLINECONSOLES 8 static struct console_cmdline console_cmdline[MAX_CMDLINECONSOLES]; -static int console_cmdline_cnt; static int preferred_console = -1; int console_set_on_cmdline; @@ -1906,25 +1905,12 @@ static int __add_preferred_console(char *name, int idx, char *options, * See if this tty is not yet registered, and * if we have a slot free. */ - for (i = 0, c = console_cmdline; i < console_cmdline_cnt; i++, c++) { + for (i = 0, c = console_cmdline; + i < MAX_CMDLINECONSOLES && c->name[0]; + i++, c++) { if (strcmp(c->name, name) == 0 && c->index == idx) { - if (brl_options) - return 0; - - /* - * Maintain an invariant that will help to find if - * the matching console is preferred, see - * register_console(): - * - * The last non-braille console is always - * the preferred one. - */ - if (i != console_cmdline_cnt - 1) - swap(console_cmdline[i], - console_cmdline[console_cmdline_cnt - 1]); - - preferred_console = console_cmdline_cnt - 1; - + if (!brl_options) + preferred_console = i; return 0; } } @@ -1937,7 +1923,6 @@ static int __add_preferred_console(char *name, int idx, char *options, braille_set_options(c, brl_options); c->index = idx; - console_cmdline_cnt++; return 0; } /* @@ -2477,23 +2462,12 @@ void register_console(struct console *newcon) } /* - * See if this console matches one we selected on the command line. - * - * There may be several entries in the console_cmdline array matching - * with the same console, one with newcon->match(), another by - * name/index: - * - * pl011,mmio,0x87e024000000,115200 -- added from SPCR - * ttyAMA0 -- added from command line - * - * Traverse the console_cmdline array in reverse order to be - * sure that if this console is preferred then it will be the first - * matching entry. We use the invariant that is maintained in - * __add_preferred_console(). + * See if this console matches one we selected on + * the command line. */ - for (i = console_cmdline_cnt - 1; i >= 0; i--) { - c = console_cmdline + i; - + for (i = 0, c = console_cmdline; + i < MAX_CMDLINECONSOLES && c->name[0]; + i++, c++) { if (!newcon->match || newcon->match(newcon, c->name, c->index, c->options) != 0) { /* default matching */ diff --git a/kernel/rcu/srcu.c b/kernel/rcu/srcu.c index 584d8a9..dea0361 100644 --- a/kernel/rcu/srcu.c +++ b/kernel/rcu/srcu.c @@ -263,7 +263,7 @@ EXPORT_SYMBOL_GPL(cleanup_srcu_struct); /* * Counts the new reader in the appropriate per-CPU element of the - * srcu_struct. Must be called from process context. + * srcu_struct. * Returns an index that must be passed to the matching srcu_read_unlock(). */ int __srcu_read_lock(struct srcu_struct *sp) @@ -271,7 +271,7 @@ int __srcu_read_lock(struct srcu_struct *sp) int idx; idx = READ_ONCE(sp->completed) & 0x1; - __this_cpu_inc(sp->per_cpu_ref->lock_count[idx]); + this_cpu_inc(sp->per_cpu_ref->lock_count[idx]); smp_mb(); /* B */ /* Avoid leaking the critical section. */ return idx; } @@ -281,7 +281,6 @@ EXPORT_SYMBOL_GPL(__srcu_read_lock); * Removes the count for the old reader from the appropriate per-CPU * element of the srcu_struct. Note that this may well be a different * CPU than that which was incremented by the corresponding srcu_read_lock(). - * Must be called from process context. */ void __srcu_read_unlock(struct srcu_struct *sp, int idx) { diff --git a/kernel/rcu/srcutiny.c b/kernel/rcu/srcutiny.c index 36e1f82..32798eb 100644 --- a/kernel/rcu/srcutiny.c +++ b/kernel/rcu/srcutiny.c @@ -97,8 +97,9 @@ EXPORT_SYMBOL_GPL(cleanup_srcu_struct); /* * Counts the new reader in the appropriate per-CPU element of the - * srcu_struct. Must be called from process context. - * Returns an index that must be passed to the matching srcu_read_unlock(). + * srcu_struct. Can be invoked from irq/bh handlers, but the matching + * __srcu_read_unlock() must be in the same handler instance. Returns an + * index that must be passed to the matching srcu_read_unlock(). */ int __srcu_read_lock(struct srcu_struct *sp) { @@ -112,7 +113,7 @@ EXPORT_SYMBOL_GPL(__srcu_read_lock); /* * Removes the count for the old reader from the appropriate element of - * the srcu_struct. Must be called from process context. + * the srcu_struct. */ void __srcu_read_unlock(struct srcu_struct *sp, int idx) { diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c index 3ae8474..157654f 100644 --- a/kernel/rcu/srcutree.c +++ b/kernel/rcu/srcutree.c @@ -357,7 +357,7 @@ EXPORT_SYMBOL_GPL(cleanup_srcu_struct); /* * Counts the new reader in the appropriate per-CPU element of the - * srcu_struct. Must be called from process context. + * srcu_struct. * Returns an index that must be passed to the matching srcu_read_unlock(). */ int __srcu_read_lock(struct srcu_struct *sp) @@ -365,7 +365,7 @@ int __srcu_read_lock(struct srcu_struct *sp) int idx; idx = READ_ONCE(sp->srcu_idx) & 0x1; - __this_cpu_inc(sp->sda->srcu_lock_count[idx]); + this_cpu_inc(sp->sda->srcu_lock_count[idx]); smp_mb(); /* B */ /* Avoid leaking the critical section. */ return idx; } @@ -375,7 +375,6 @@ EXPORT_SYMBOL_GPL(__srcu_read_lock); * Removes the count for the old reader from the appropriate per-CPU * element of the srcu_struct. Note that this may well be a different * CPU than that which was incremented by the corresponding srcu_read_lock(). - * Must be called from process context. */ void __srcu_read_unlock(struct srcu_struct *sp, int idx) { diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 803c3bc..326d4f8 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5605,7 +5605,7 @@ void idle_task_exit(void) BUG_ON(cpu_online(smp_processor_id())); if (mm != &init_mm) { - switch_mm_irqs_off(mm, &init_mm, current); + switch_mm(mm, &init_mm, current); finish_arch_post_lock_switch(); } mmdrop(mm); diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c index 622eed1..076a2e3 100644 --- a/kernel/sched/cpufreq_schedutil.c +++ b/kernel/sched/cpufreq_schedutil.c @@ -101,9 +101,6 @@ static void sugov_update_commit(struct sugov_policy *sg_policy, u64 time, if (sg_policy->next_freq == next_freq) return; - if (sg_policy->next_freq > next_freq) - next_freq = (sg_policy->next_freq + next_freq) >> 1; - sg_policy->next_freq = next_freq; sg_policy->last_freq_update_time = time; diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index d711093..c77e4b1 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3563,7 +3563,7 @@ static inline void check_schedstat_required(void) trace_sched_stat_runtime_enabled()) { printk_deferred_once("Scheduler tracepoints stat_sleep, stat_iowait, " "stat_blocked and stat_runtime require the " - "kernel parameter schedstats=enabled or " + "kernel parameter schedstats=enable or " "kernel.sched_schedstats=1\n"); } #endif diff --git a/kernel/signal.c b/kernel/signal.c index ca92bcf..45b4c1f 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -510,7 +510,8 @@ int unhandled_signal(struct task_struct *tsk, int sig) return !tsk->ptrace; } -static void collect_signal(int sig, struct sigpending *list, siginfo_t *info) +static void collect_signal(int sig, struct sigpending *list, siginfo_t *info, + bool *resched_timer) { struct sigqueue *q, *first = NULL; @@ -532,6 +533,12 @@ static void collect_signal(int sig, struct sigpending *list, siginfo_t *info) still_pending: list_del_init(&first->list); copy_siginfo(info, &first->info); + + *resched_timer = + (first->flags & SIGQUEUE_PREALLOC) && + (info->si_code == SI_TIMER) && + (info->si_sys_private); + __sigqueue_free(first); } else { /* @@ -548,12 +555,12 @@ still_pending: } static int __dequeue_signal(struct sigpending *pending, sigset_t *mask, - siginfo_t *info) + siginfo_t *info, bool *resched_timer) { int sig = next_signal(pending, mask); if (sig) - collect_signal(sig, pending, info); + collect_signal(sig, pending, info, resched_timer); return sig; } @@ -565,15 +572,16 @@ static int __dequeue_signal(struct sigpending *pending, sigset_t *mask, */ int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info) { + bool resched_timer = false; int signr; /* We only dequeue private signals from ourselves, we don't let * signalfd steal them */ - signr = __dequeue_signal(&tsk->pending, mask, info); + signr = __dequeue_signal(&tsk->pending, mask, info, &resched_timer); if (!signr) { signr = __dequeue_signal(&tsk->signal->shared_pending, - mask, info); + mask, info, &resched_timer); #ifdef CONFIG_POSIX_TIMERS /* * itimer signal ? @@ -621,7 +629,7 @@ int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info) current->jobctl |= JOBCTL_STOP_DEQUEUED; } #ifdef CONFIG_POSIX_TIMERS - if ((info->si_code & __SI_MASK) == __SI_TIMER && info->si_sys_private) { + if (resched_timer) { /* * Release the siglock to ensure proper locking order * of timer locks outside of siglocks. Note, we leave diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index 5cb5b00..ee2f420 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -387,7 +387,7 @@ void alarm_start_relative(struct alarm *alarm, ktime_t start) { struct alarm_base *base = &alarm_bases[alarm->type]; - start = ktime_add(start, base->gettime()); + start = ktime_add_safe(start, base->gettime()); alarm_start(alarm, start); } EXPORT_SYMBOL_GPL(alarm_start_relative); @@ -475,7 +475,7 @@ u64 alarm_forward(struct alarm *alarm, ktime_t now, ktime_t interval) overrun++; } - alarm->node.expires = ktime_add(alarm->node.expires, interval); + alarm->node.expires = ktime_add_safe(alarm->node.expires, interval); return overrun; } EXPORT_SYMBOL_GPL(alarm_forward); @@ -660,13 +660,21 @@ static int alarm_timer_set(struct k_itimer *timr, int flags, /* start the timer */ timr->it.alarm.interval = timespec64_to_ktime(new_setting->it_interval); + + /* + * Rate limit to the tick as a hot fix to prevent DOS. Will be + * mopped up later. + */ + if (timr->it.alarm.interval < TICK_NSEC) + timr->it.alarm.interval = TICK_NSEC; + exp = timespec64_to_ktime(new_setting->it_value); /* Convert (if necessary) to absolute time */ if (flags != TIMER_ABSTIME) { ktime_t now; now = alarm_bases[timr->it.alarm.alarmtimer.type].gettime(); - exp = ktime_add(now, exp); + exp = ktime_add_safe(now, exp); } alarm_start(&timr->it.alarm.alarmtimer, exp); diff --git a/kernel/time/tick-broadcast.c b/kernel/time/tick-broadcast.c index 987e496..b398c2e 100644 --- a/kernel/time/tick-broadcast.c +++ b/kernel/time/tick-broadcast.c @@ -37,9 +37,11 @@ static int tick_broadcast_forced; static __cacheline_aligned_in_smp DEFINE_RAW_SPINLOCK(tick_broadcast_lock); #ifdef CONFIG_TICK_ONESHOT +static void tick_broadcast_setup_oneshot(struct clock_event_device *bc); static void tick_broadcast_clear_oneshot(int cpu); static void tick_resume_broadcast_oneshot(struct clock_event_device *bc); #else +static inline void tick_broadcast_setup_oneshot(struct clock_event_device *bc) { BUG(); } static inline void tick_broadcast_clear_oneshot(int cpu) { } static inline void tick_resume_broadcast_oneshot(struct clock_event_device *bc) { } #endif @@ -867,7 +869,7 @@ static void tick_broadcast_init_next_event(struct cpumask *mask, /** * tick_broadcast_setup_oneshot - setup the broadcast device */ -void tick_broadcast_setup_oneshot(struct clock_event_device *bc) +static void tick_broadcast_setup_oneshot(struct clock_event_device *bc) { int cpu = smp_processor_id(); diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h index f738251..be0ac01 100644 --- a/kernel/time/tick-internal.h +++ b/kernel/time/tick-internal.h @@ -126,7 +126,6 @@ static inline int tick_check_oneshot_change(int allow_nohz) { return 0; } /* Functions related to oneshot broadcasting */ #if defined(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) && defined(CONFIG_TICK_ONESHOT) -extern void tick_broadcast_setup_oneshot(struct clock_event_device *bc); extern void tick_broadcast_switch_to_oneshot(void); extern void tick_shutdown_broadcast_oneshot(unsigned int cpu); extern int tick_broadcast_oneshot_active(void); @@ -134,7 +133,6 @@ extern void tick_check_oneshot_broadcast_this_cpu(void); bool tick_broadcast_oneshot_available(void); extern struct cpumask *tick_get_broadcast_oneshot_mask(void); #else /* !(BROADCAST && ONESHOT): */ -static inline void tick_broadcast_setup_oneshot(struct clock_event_device *bc) { BUG(); } static inline void tick_broadcast_switch_to_oneshot(void) { } static inline void tick_shutdown_broadcast_oneshot(unsigned int cpu) { } static inline int tick_broadcast_oneshot_active(void) { return 0; } diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index 9652bc5..b602c48 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -118,6 +118,26 @@ static inline void tk_update_sleep_time(struct timekeeper *tk, ktime_t delta) tk->offs_boot = ktime_add(tk->offs_boot, delta); } +/* + * tk_clock_read - atomic clocksource read() helper + * + * This helper is necessary to use in the read paths because, while the + * seqlock ensures we don't return a bad value while structures are updated, + * it doesn't protect from potential crashes. There is the possibility that + * the tkr's clocksource may change between the read reference, and the + * clock reference passed to the read function. This can cause crashes if + * the wrong clocksource is passed to the wrong read function. + * This isn't necessary to use when holding the timekeeper_lock or doing + * a read of the fast-timekeeper tkrs (which is protected by its own locking + * and update logic). + */ +static inline u64 tk_clock_read(struct tk_read_base *tkr) +{ + struct clocksource *clock = READ_ONCE(tkr->clock); + + return clock->read(clock); +} + #ifdef CONFIG_DEBUG_TIMEKEEPING #define WARNING_FREQ (HZ*300) /* 5 minute rate-limiting */ @@ -175,7 +195,7 @@ static inline u64 timekeeping_get_delta(struct tk_read_base *tkr) */ do { seq = read_seqcount_begin(&tk_core.seq); - now = tkr->read(tkr->clock); + now = tk_clock_read(tkr); last = tkr->cycle_last; mask = tkr->mask; max = tkr->clock->max_cycles; @@ -209,7 +229,7 @@ static inline u64 timekeeping_get_delta(struct tk_read_base *tkr) u64 cycle_now, delta; /* read clocksource */ - cycle_now = tkr->read(tkr->clock); + cycle_now = tk_clock_read(tkr); /* calculate the delta since the last update_wall_time */ delta = clocksource_delta(cycle_now, tkr->cycle_last, tkr->mask); @@ -238,12 +258,10 @@ static void tk_setup_internals(struct timekeeper *tk, struct clocksource *clock) ++tk->cs_was_changed_seq; old_clock = tk->tkr_mono.clock; tk->tkr_mono.clock = clock; - tk->tkr_mono.read = clock->read; tk->tkr_mono.mask = clock->mask; - tk->tkr_mono.cycle_last = tk->tkr_mono.read(clock); + tk->tkr_mono.cycle_last = tk_clock_read(&tk->tkr_mono); tk->tkr_raw.clock = clock; - tk->tkr_raw.read = clock->read; tk->tkr_raw.mask = clock->mask; tk->tkr_raw.cycle_last = tk->tkr_mono.cycle_last; @@ -262,7 +280,7 @@ static void tk_setup_internals(struct timekeeper *tk, struct clocksource *clock) /* Go back from cycles -> shifted ns */ tk->xtime_interval = interval * clock->mult; tk->xtime_remainder = ntpinterval - tk->xtime_interval; - tk->raw_interval = (interval * clock->mult) >> clock->shift; + tk->raw_interval = interval * clock->mult; /* if changing clocks, convert xtime_nsec shift units */ if (old_clock) { @@ -404,7 +422,7 @@ static __always_inline u64 __ktime_get_fast_ns(struct tk_fast *tkf) now += timekeeping_delta_to_ns(tkr, clocksource_delta( - tkr->read(tkr->clock), + tk_clock_read(tkr), tkr->cycle_last, tkr->mask)); } while (read_seqcount_retry(&tkf->seq, seq)); @@ -461,6 +479,10 @@ static u64 dummy_clock_read(struct clocksource *cs) return cycles_at_suspend; } +static struct clocksource dummy_clock = { + .read = dummy_clock_read, +}; + /** * halt_fast_timekeeper - Prevent fast timekeeper from accessing clocksource. * @tk: Timekeeper to snapshot. @@ -477,13 +499,13 @@ static void halt_fast_timekeeper(struct timekeeper *tk) struct tk_read_base *tkr = &tk->tkr_mono; memcpy(&tkr_dummy, tkr, sizeof(tkr_dummy)); - cycles_at_suspend = tkr->read(tkr->clock); - tkr_dummy.read = dummy_clock_read; + cycles_at_suspend = tk_clock_read(tkr); + tkr_dummy.clock = &dummy_clock; update_fast_timekeeper(&tkr_dummy, &tk_fast_mono); tkr = &tk->tkr_raw; memcpy(&tkr_dummy, tkr, sizeof(tkr_dummy)); - tkr_dummy.read = dummy_clock_read; + tkr_dummy.clock = &dummy_clock; update_fast_timekeeper(&tkr_dummy, &tk_fast_raw); } @@ -649,11 +671,10 @@ static void timekeeping_update(struct timekeeper *tk, unsigned int action) */ static void timekeeping_forward_now(struct timekeeper *tk) { - struct clocksource *clock = tk->tkr_mono.clock; u64 cycle_now, delta; u64 nsec; - cycle_now = tk->tkr_mono.read(clock); + cycle_now = tk_clock_read(&tk->tkr_mono); delta = clocksource_delta(cycle_now, tk->tkr_mono.cycle_last, tk->tkr_mono.mask); tk->tkr_mono.cycle_last = cycle_now; tk->tkr_raw.cycle_last = cycle_now; @@ -929,8 +950,7 @@ void ktime_get_snapshot(struct system_time_snapshot *systime_snapshot) do { seq = read_seqcount_begin(&tk_core.seq); - - now = tk->tkr_mono.read(tk->tkr_mono.clock); + now = tk_clock_read(&tk->tkr_mono); systime_snapshot->cs_was_changed_seq = tk->cs_was_changed_seq; systime_snapshot->clock_was_set_seq = tk->clock_was_set_seq; base_real = ktime_add(tk->tkr_mono.base, @@ -1108,7 +1128,7 @@ int get_device_system_crosststamp(int (*get_time_fn) * Check whether the system counter value provided by the * device driver is on the current timekeeping interval. */ - now = tk->tkr_mono.read(tk->tkr_mono.clock); + now = tk_clock_read(&tk->tkr_mono); interval_start = tk->tkr_mono.cycle_last; if (!cycle_between(interval_start, cycles, now)) { clock_was_set_seq = tk->clock_was_set_seq; @@ -1629,7 +1649,7 @@ void timekeeping_resume(void) * The less preferred source will only be tried if there is no better * usable source. The rtc part is handled separately in rtc core code. */ - cycle_now = tk->tkr_mono.read(clock); + cycle_now = tk_clock_read(&tk->tkr_mono); if ((clock->flags & CLOCK_SOURCE_SUSPEND_NONSTOP) && cycle_now > tk->tkr_mono.cycle_last) { u64 nsec, cyc_delta; @@ -1976,7 +1996,7 @@ static u64 logarithmic_accumulation(struct timekeeper *tk, u64 offset, u32 shift, unsigned int *clock_set) { u64 interval = tk->cycle_interval << shift; - u64 raw_nsecs; + u64 snsec_per_sec; /* If the offset is smaller than a shifted interval, do nothing */ if (offset < interval) @@ -1991,14 +2011,15 @@ static u64 logarithmic_accumulation(struct timekeeper *tk, u64 offset, *clock_set |= accumulate_nsecs_to_secs(tk); /* Accumulate raw time */ - raw_nsecs = (u64)tk->raw_interval << shift; - raw_nsecs += tk->raw_time.tv_nsec; - if (raw_nsecs >= NSEC_PER_SEC) { - u64 raw_secs = raw_nsecs; - raw_nsecs = do_div(raw_secs, NSEC_PER_SEC); - tk->raw_time.tv_sec += raw_secs; + tk->tkr_raw.xtime_nsec += (u64)tk->raw_time.tv_nsec << tk->tkr_raw.shift; + tk->tkr_raw.xtime_nsec += tk->raw_interval << shift; + snsec_per_sec = (u64)NSEC_PER_SEC << tk->tkr_raw.shift; + while (tk->tkr_raw.xtime_nsec >= snsec_per_sec) { + tk->tkr_raw.xtime_nsec -= snsec_per_sec; + tk->raw_time.tv_sec++; } - tk->raw_time.tv_nsec = raw_nsecs; + tk->raw_time.tv_nsec = tk->tkr_raw.xtime_nsec >> tk->tkr_raw.shift; + tk->tkr_raw.xtime_nsec -= (u64)tk->raw_time.tv_nsec << tk->tkr_raw.shift; /* Accumulate error between NTP and clock interval */ tk->ntp_error += tk->ntp_tick << shift; @@ -2030,7 +2051,7 @@ void update_wall_time(void) #ifdef CONFIG_ARCH_USES_GETTIMEOFFSET offset = real_tk->cycle_interval; #else - offset = clocksource_delta(tk->tkr_mono.read(tk->tkr_mono.clock), + offset = clocksource_delta(tk_clock_read(&tk->tkr_mono), tk->tkr_mono.cycle_last, tk->tkr_mono.mask); #endif diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 9e5841d..b308be3 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -4337,9 +4337,6 @@ static int ftrace_process_regex(struct ftrace_iterator *iter, command = strsep(&next, ":"); - if (WARN_ON_ONCE(!tr)) - return -EINVAL; - mutex_lock(&ftrace_cmd_mutex); list_for_each_entry(p, &ftrace_commands, list) { if (strcmp(p->name, command) == 0) { diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 1122f15..091e801 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -6881,6 +6881,9 @@ ftrace_trace_snapshot_callback(struct trace_array *tr, struct ftrace_hash *hash, char *number; int ret; + if (!tr) + return -ENODEV; + /* hash funcs only work with set_ftrace_filter */ if (!enable) return -EINVAL; diff --git a/kernel/trace/trace_functions.c b/kernel/trace/trace_functions.c index a3bddbf..a0910c0 100644 --- a/kernel/trace/trace_functions.c +++ b/kernel/trace/trace_functions.c @@ -654,6 +654,9 @@ ftrace_trace_onoff_callback(struct trace_array *tr, struct ftrace_hash *hash, { struct ftrace_probe_ops *ops; + if (!tr) + return -ENODEV; + /* we register both traceon and traceoff to this callback */ if (strcmp(cmd, "traceon") == 0) ops = param ? &traceon_count_probe_ops : &traceon_probe_ops; @@ -670,6 +673,9 @@ ftrace_stacktrace_callback(struct trace_array *tr, struct ftrace_hash *hash, { struct ftrace_probe_ops *ops; + if (!tr) + return -ENODEV; + ops = param ? &stacktrace_count_probe_ops : &stacktrace_probe_ops; return ftrace_trace_probe_callback(tr, ops, hash, glob, cmd, @@ -682,6 +688,9 @@ ftrace_dump_callback(struct trace_array *tr, struct ftrace_hash *hash, { struct ftrace_probe_ops *ops; + if (!tr) + return -ENODEV; + ops = &dump_probe_ops; /* Only dump once. */ @@ -695,6 +704,9 @@ ftrace_cpudump_callback(struct trace_array *tr, struct ftrace_hash *hash, { struct ftrace_probe_ops *ops; + if (!tr) + return -ENODEV; + ops = &cpudump_probe_ops; /* Only dump once. */ diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index c129fca..b53c8d3 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -707,20 +707,16 @@ static int create_trace_kprobe(int argc, char **argv) pr_info("Probe point is not specified.\n"); return -EINVAL; } - if (isdigit(argv[1][0])) { - /* an address specified */ - ret = kstrtoul(&argv[1][0], 0, (unsigned long *)&addr); - if (ret) { - pr_info("Failed to parse address.\n"); - return ret; - } - } else { + + /* try to parse an address. if that fails, try to read the + * input as a symbol. */ + if (kstrtoul(argv[1], 0, (unsigned long *)&addr)) { /* a symbol specified */ symbol = argv[1]; /* TODO: support .init module functions */ ret = traceprobe_split_symbol_offset(symbol, &offset); if (ret) { - pr_info("Failed to parse symbol.\n"); + pr_info("Failed to parse either an address or a symbol.\n"); return ret; } if (offset && is_return && diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c index 76aa04d..b4a751e 100644 --- a/kernel/trace/trace_stack.c +++ b/kernel/trace/trace_stack.c @@ -409,7 +409,9 @@ static const struct file_operations stack_trace_fops = { static int stack_trace_filter_open(struct inode *inode, struct file *file) { - return ftrace_regex_open(&trace_ops, FTRACE_ITER_FILTER, + struct ftrace_ops *ops = inode->i_private; + + return ftrace_regex_open(ops, FTRACE_ITER_FILTER, inode, file); } @@ -476,7 +478,7 @@ static __init int stack_trace_init(void) NULL, &stack_trace_fops); trace_create_file("stack_trace_filter", 0444, d_tracer, - NULL, &stack_trace_filter_fops); + &trace_ops, &stack_trace_filter_fops); if (stack_trace_filter_buf[0]) ftrace_set_early_filter(&trace_ops, stack_trace_filter_buf, 1); diff --git a/lib/cmdline.c b/lib/cmdline.c index 3c6432df..4c0888c 100644 --- a/lib/cmdline.c +++ b/lib/cmdline.c @@ -23,14 +23,14 @@ * the values[M, M+1, ..., N] into the ints array in get_options. */ -static int get_range(char **str, int *pint) +static int get_range(char **str, int *pint, int n) { int x, inc_counter, upper_range; (*str)++; upper_range = simple_strtol((*str), NULL, 0); inc_counter = upper_range - *pint; - for (x = *pint; x < upper_range; x++) + for (x = *pint; n && x < upper_range; x++, n--) *pint++ = x; return inc_counter; } @@ -97,7 +97,7 @@ char *get_options(const char *str, int nints, int *ints) break; if (res == 3) { int range_nums; - range_nums = get_range((char **)&str, ints + i); + range_nums = get_range((char **)&str, ints + i, nints - i); if (range_nums < 0) break; /* diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index 9a2b811..4682e85 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -50,6 +50,8 @@ static const char *kobject_actions[] = { [KOBJ_MOVE] = "move", [KOBJ_ONLINE] = "online", [KOBJ_OFFLINE] = "offline", + [KOBJ_BIND] = "bind", + [KOBJ_UNBIND] = "unbind", }; /** diff --git a/lib/libcrc32c.c b/lib/libcrc32c.c index 74a54b7..9f79547 100644 --- a/lib/libcrc32c.c +++ b/lib/libcrc32c.c @@ -43,7 +43,7 @@ static struct crypto_shash *tfm; u32 crc32c(u32 crc, const void *address, unsigned int length) { SHASH_DESC_ON_STACK(shash, tfm); - u32 *ctx = (u32 *)shash_desc_ctx(shash); + u32 ret, *ctx = (u32 *)shash_desc_ctx(shash); int err; shash->tfm = tfm; @@ -53,7 +53,9 @@ u32 crc32c(u32 crc, const void *address, unsigned int length) err = crypto_shash_update(shash, address, length); BUG_ON(err); - return *ctx; + ret = *ctx; + barrier_data(ctx); + return ret; } EXPORT_SYMBOL(crc32c); @@ -387,11 +387,6 @@ static int faultin_page(struct task_struct *tsk, struct vm_area_struct *vma, /* mlock all present pages, but do not fault in new pages */ if ((*flags & (FOLL_POPULATE | FOLL_MLOCK)) == FOLL_MLOCK) return -ENOENT; - /* For mm_populate(), just skip the stack guard page. */ - if ((*flags & FOLL_POPULATE) && - (stack_guard_page_start(vma, address) || - stack_guard_page_end(vma, address + PAGE_SIZE))) - return -ENOENT; if (*flags & FOLL_WRITE) fault_flags |= FAULT_FLAG_WRITE; if (*flags & FOLL_REMOTE) @@ -407,12 +402,10 @@ static int faultin_page(struct task_struct *tsk, struct vm_area_struct *vma, ret = handle_mm_fault(vma, address, fault_flags); if (ret & VM_FAULT_ERROR) { - if (ret & VM_FAULT_OOM) - return -ENOMEM; - if (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE)) - return *flags & FOLL_HWPOISON ? -EHWPOISON : -EFAULT; - if (ret & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV)) - return -EFAULT; + int err = vm_fault_to_errno(ret, *flags); + + if (err) + return err; BUG(); } @@ -723,12 +716,10 @@ retry: ret = handle_mm_fault(vma, address, fault_flags); major |= ret & VM_FAULT_MAJOR; if (ret & VM_FAULT_ERROR) { - if (ret & VM_FAULT_OOM) - return -ENOMEM; - if (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE)) - return -EHWPOISON; - if (ret & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV)) - return -EFAULT; + int err = vm_fault_to_errno(ret, 0); + + if (err) + return err; BUG(); } diff --git a/mm/huge_memory.c b/mm/huge_memory.c index a84909c..88c6167 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1426,8 +1426,11 @@ int do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t pmd) */ if (unlikely(pmd_trans_migrating(*vmf->pmd))) { page = pmd_page(*vmf->pmd); + if (!get_page_unless_zero(page)) + goto out_unlock; spin_unlock(vmf->ptl); wait_on_page_locked(page); + put_page(page); goto out; } @@ -1459,9 +1462,12 @@ int do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t pmd) /* Migration could have started since the pmd_trans_migrating check */ if (!page_locked) { + page_nid = -1; + if (!get_page_unless_zero(page)) + goto out_unlock; spin_unlock(vmf->ptl); wait_on_page_locked(page); - page_nid = -1; + put_page(page); goto out; } diff --git a/mm/hugetlb.c b/mm/hugetlb.c index e582887..3eedb18 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -4170,6 +4170,11 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma, } ret = hugetlb_fault(mm, vma, vaddr, fault_flags); if (ret & VM_FAULT_ERROR) { + int err = vm_fault_to_errno(ret, flags); + + if (err) + return err; + remainder = 0; break; } diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 945fd1c..df4ebdb 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -652,7 +652,6 @@ static void __collapse_huge_page_copy(pte_t *pte, struct page *page, spin_unlock(ptl); free_page_and_swap_cache(src_page); } - cond_resched(); } } @@ -1028,8 +1028,7 @@ static int try_to_merge_one_page(struct vm_area_struct *vma, goto out; if (PageTransCompound(page)) { - err = split_huge_page(page); - if (err) + if (split_huge_page(page)) goto out_unlock; } diff --git a/mm/memblock.c b/mm/memblock.c index b049c9b..7b8a5db 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -1739,6 +1739,29 @@ static void __init_memblock memblock_dump(struct memblock_type *type) } } +extern unsigned long __init_memblock +memblock_reserved_memory_within(phys_addr_t start_addr, phys_addr_t end_addr) +{ + struct memblock_region *rgn; + unsigned long size = 0; + int idx; + + for_each_memblock_type((&memblock.reserved), rgn) { + phys_addr_t start, end; + + if (rgn->base + rgn->size < start_addr) + continue; + if (rgn->base > end_addr) + continue; + + start = rgn->base; + end = start + rgn->size; + size += end - start; + } + + return size; +} + void __init_memblock __memblock_dump_all(void) { pr_info("MEMBLOCK configuration:\n"); diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 2527dfe..ecc183f 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1184,7 +1184,10 @@ int memory_failure(unsigned long pfn, int trapno, int flags) * page_remove_rmap() in try_to_unmap_one(). So to determine page status * correctly, we save a copy of the page flags at this time. */ - page_flags = p->flags; + if (PageHuge(p)) + page_flags = hpage->flags; + else + page_flags = p->flags; /* * unpoison always clear PG_hwpoison inside page lock @@ -1595,12 +1598,8 @@ static int soft_offline_huge_page(struct page *page, int flags) if (ret) { pr_info("soft offline: %#lx: migration failed %d, type %lx (%pGp)\n", pfn, ret, page->flags, &page->flags); - /* - * We know that soft_offline_huge_page() tries to migrate - * only one hugepage pointed to by hpage, so we need not - * run through the pagelist here. - */ - putback_active_hugepage(hpage); + if (!list_empty(&pagelist)) + putback_movable_pages(&pagelist); if (ret > 0) ret = -EIO; } else { diff --git a/mm/memory.c b/mm/memory.c index 6ff5d72..bb11c47 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2855,40 +2855,6 @@ out_release: } /* - * This is like a special single-page "expand_{down|up}wards()", - * except we must first make sure that 'address{-|+}PAGE_SIZE' - * doesn't hit another vma. - */ -static inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned long address) -{ - address &= PAGE_MASK; - if ((vma->vm_flags & VM_GROWSDOWN) && address == vma->vm_start) { - struct vm_area_struct *prev = vma->vm_prev; - - /* - * Is there a mapping abutting this one below? - * - * That's only ok if it's the same stack mapping - * that has gotten split.. - */ - if (prev && prev->vm_end == address) - return prev->vm_flags & VM_GROWSDOWN ? 0 : -ENOMEM; - - return expand_downwards(vma, address - PAGE_SIZE); - } - if ((vma->vm_flags & VM_GROWSUP) && address + PAGE_SIZE == vma->vm_end) { - struct vm_area_struct *next = vma->vm_next; - - /* As VM_GROWSDOWN but s/below/above/ */ - if (next && next->vm_start == address + PAGE_SIZE) - return next->vm_flags & VM_GROWSUP ? 0 : -ENOMEM; - - return expand_upwards(vma, address + PAGE_SIZE); - } - return 0; -} - -/* * We enter with non-exclusive mmap_sem (to exclude vma changes, * but allow concurrent faults), and pte mapped but not yet locked. * We return with mmap_sem still held, but pte unmapped and unlocked. @@ -2904,10 +2870,6 @@ static int do_anonymous_page(struct vm_fault *vmf) if (vma->vm_flags & VM_SHARED) return VM_FAULT_SIGBUS; - /* Check if we need to add a guard page to the stack */ - if (check_stack_guard_page(vma, vmf->address) < 0) - return VM_FAULT_SIGSEGV; - /* * Use pte_alloc() instead of pte_alloc_map(). We can't run * pte_offset_map() on pmds where a huge pmd might be created @@ -3029,6 +2991,17 @@ static int __do_fault(struct vm_fault *vmf) return ret; } +/* + * The ordering of these checks is important for pmds with _PAGE_DEVMAP set. + * If we check pmd_trans_unstable() first we will trip the bad_pmd() check + * inside of pmd_none_or_trans_huge_or_clear_bad(). This will end up correctly + * returning 1 but not before it spams dmesg with the pmd_clear_bad() output. + */ +static int pmd_devmap_trans_unstable(pmd_t *pmd) +{ + return pmd_devmap(*pmd) || pmd_trans_unstable(pmd); +} + static int pte_alloc_one_map(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; @@ -3052,18 +3025,27 @@ static int pte_alloc_one_map(struct vm_fault *vmf) map_pte: /* * If a huge pmd materialized under us just retry later. Use - * pmd_trans_unstable() instead of pmd_trans_huge() to ensure the pmd - * didn't become pmd_trans_huge under us and then back to pmd_none, as - * a result of MADV_DONTNEED running immediately after a huge pmd fault - * in a different thread of this mm, in turn leading to a misleading - * pmd_trans_huge() retval. All we have to ensure is that it is a - * regular pmd that we can walk with pte_offset_map() and we can do that - * through an atomic read in C, which is what pmd_trans_unstable() - * provides. + * pmd_trans_unstable() via pmd_devmap_trans_unstable() instead of + * pmd_trans_huge() to ensure the pmd didn't become pmd_trans_huge + * under us and then back to pmd_none, as a result of MADV_DONTNEED + * running immediately after a huge pmd fault in a different thread of + * this mm, in turn leading to a misleading pmd_trans_huge() retval. + * All we have to ensure is that it is a regular pmd that we can walk + * with pte_offset_map() and we can do that through an atomic read in + * C, which is what pmd_trans_unstable() provides. */ - if (pmd_trans_unstable(vmf->pmd) || pmd_devmap(*vmf->pmd)) + if (pmd_devmap_trans_unstable(vmf->pmd)) return VM_FAULT_NOPAGE; + /* + * At this point we know that our vmf->pmd points to a page of ptes + * and it cannot become pmd_none(), pmd_devmap() or pmd_trans_huge() + * for the duration of the fault. If a racing MADV_DONTNEED runs and + * we zap the ptes pointed to by our vmf->pmd, the vmf->ptl will still + * be valid and we will re-check to make sure the vmf->pte isn't + * pte_none() under vmf->ptl protection when we return to + * alloc_set_pte(). + */ vmf->pte = pte_offset_map_lock(vma->vm_mm, vmf->pmd, vmf->address, &vmf->ptl); return 0; @@ -3690,7 +3672,7 @@ static int handle_pte_fault(struct vm_fault *vmf) vmf->pte = NULL; } else { /* See comment in pte_alloc_one_map() */ - if (pmd_trans_unstable(vmf->pmd) || pmd_devmap(*vmf->pmd)) + if (pmd_devmap_trans_unstable(vmf->pmd)) return 0; /* * A regular pmd is established and it can't morph into a huge @@ -284,7 +284,7 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone) { int i; int nr = pagevec_count(pvec); - int delta_munlocked; + int delta_munlocked = -nr; struct pagevec pvec_putback; int pgrescued = 0; @@ -304,6 +304,8 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone) continue; else __munlock_isolation_failed(page); + } else { + delta_munlocked++; } /* @@ -315,7 +317,6 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone) pagevec_add(&pvec_putback, pvec->pages[i]); pvec->pages[i] = NULL; } - delta_munlocked = -nr + pagevec_count(&pvec_putback); __mod_zone_page_state(zone, NR_MLOCK, delta_munlocked); spin_unlock_irq(zone_lru_lock(zone)); @@ -183,6 +183,7 @@ SYSCALL_DEFINE1(brk, unsigned long, brk) unsigned long retval; unsigned long newbrk, oldbrk; struct mm_struct *mm = current->mm; + struct vm_area_struct *next; unsigned long min_brk; bool populate; LIST_HEAD(uf); @@ -229,7 +230,8 @@ SYSCALL_DEFINE1(brk, unsigned long, brk) } /* Check against existing mmap mappings. */ - if (find_vma_intersection(mm, oldbrk, newbrk+PAGE_SIZE)) + next = find_vma(mm, oldbrk); + if (next && newbrk + PAGE_SIZE > vm_start_gap(next)) goto out; /* Ok, looks good - let it rip. */ @@ -253,10 +255,22 @@ out: static long vma_compute_subtree_gap(struct vm_area_struct *vma) { - unsigned long max, subtree_gap; - max = vma->vm_start; - if (vma->vm_prev) - max -= vma->vm_prev->vm_end; + unsigned long max, prev_end, subtree_gap; + + /* + * Note: in the rare case of a VM_GROWSDOWN above a VM_GROWSUP, we + * allow two stack_guard_gaps between them here, and when choosing + * an unmapped area; whereas when expanding we only require one. + * That's a little inconsistent, but keeps the code here simpler. + */ + max = vm_start_gap(vma); + if (vma->vm_prev) { + prev_end = vm_end_gap(vma->vm_prev); + if (max > prev_end) + max -= prev_end; + else + max = 0; + } if (vma->vm_rb.rb_left) { subtree_gap = rb_entry(vma->vm_rb.rb_left, struct vm_area_struct, vm_rb)->rb_subtree_gap; @@ -352,7 +366,7 @@ static void validate_mm(struct mm_struct *mm) anon_vma_unlock_read(anon_vma); } - highest_address = vma->vm_end; + highest_address = vm_end_gap(vma); vma = vma->vm_next; i++; } @@ -541,7 +555,7 @@ void __vma_link_rb(struct mm_struct *mm, struct vm_area_struct *vma, if (vma->vm_next) vma_gap_update(vma->vm_next); else - mm->highest_vm_end = vma->vm_end; + mm->highest_vm_end = vm_end_gap(vma); /* * vma->vm_prev wasn't known when we followed the rbtree to find the @@ -856,7 +870,7 @@ again: vma_gap_update(vma); if (end_changed) { if (!next) - mm->highest_vm_end = end; + mm->highest_vm_end = vm_end_gap(vma); else if (!adjust_next) vma_gap_update(next); } @@ -941,7 +955,7 @@ again: * mm->highest_vm_end doesn't need any update * in remove_next == 1 case. */ - VM_WARN_ON(mm->highest_vm_end != end); + VM_WARN_ON(mm->highest_vm_end != vm_end_gap(vma)); } } if (insert && file) @@ -1787,7 +1801,7 @@ unsigned long unmapped_area(struct vm_unmapped_area_info *info) while (true) { /* Visit left subtree if it looks promising */ - gap_end = vma->vm_start; + gap_end = vm_start_gap(vma); if (gap_end >= low_limit && vma->vm_rb.rb_left) { struct vm_area_struct *left = rb_entry(vma->vm_rb.rb_left, @@ -1798,12 +1812,13 @@ unsigned long unmapped_area(struct vm_unmapped_area_info *info) } } - gap_start = vma->vm_prev ? vma->vm_prev->vm_end : 0; + gap_start = vma->vm_prev ? vm_end_gap(vma->vm_prev) : 0; check_current: /* Check if current node has a suitable gap */ if (gap_start > high_limit) return -ENOMEM; - if (gap_end >= low_limit && gap_end - gap_start >= length) + if (gap_end >= low_limit && + gap_end > gap_start && gap_end - gap_start >= length) goto found; /* Visit right subtree if it looks promising */ @@ -1825,8 +1840,8 @@ check_current: vma = rb_entry(rb_parent(prev), struct vm_area_struct, vm_rb); if (prev == vma->vm_rb.rb_left) { - gap_start = vma->vm_prev->vm_end; - gap_end = vma->vm_start; + gap_start = vm_end_gap(vma->vm_prev); + gap_end = vm_start_gap(vma); goto check_current; } } @@ -1890,7 +1905,7 @@ unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info) while (true) { /* Visit right subtree if it looks promising */ - gap_start = vma->vm_prev ? vma->vm_prev->vm_end : 0; + gap_start = vma->vm_prev ? vm_end_gap(vma->vm_prev) : 0; if (gap_start <= high_limit && vma->vm_rb.rb_right) { struct vm_area_struct *right = rb_entry(vma->vm_rb.rb_right, @@ -1903,10 +1918,11 @@ unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info) check_current: /* Check if current node has a suitable gap */ - gap_end = vma->vm_start; + gap_end = vm_start_gap(vma); if (gap_end < low_limit) return -ENOMEM; - if (gap_start <= high_limit && gap_end - gap_start >= length) + if (gap_start <= high_limit && + gap_end > gap_start && gap_end - gap_start >= length) goto found; /* Visit left subtree if it looks promising */ @@ -1929,7 +1945,7 @@ check_current: struct vm_area_struct, vm_rb); if (prev == vma->vm_rb.rb_right) { gap_start = vma->vm_prev ? - vma->vm_prev->vm_end : 0; + vm_end_gap(vma->vm_prev) : 0; goto check_current; } } @@ -1967,7 +1983,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) { struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; + struct vm_area_struct *vma, *prev; struct vm_unmapped_area_info info; if (len > TASK_SIZE - mmap_min_addr) @@ -1978,9 +1994,10 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, if (addr) { addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); + vma = find_vma_prev(mm, addr, &prev); if (TASK_SIZE - len >= addr && addr >= mmap_min_addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma)) && + (!prev || addr >= vm_end_gap(prev))) return addr; } @@ -2003,7 +2020,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, const unsigned long len, const unsigned long pgoff, const unsigned long flags) { - struct vm_area_struct *vma; + struct vm_area_struct *vma, *prev; struct mm_struct *mm = current->mm; unsigned long addr = addr0; struct vm_unmapped_area_info info; @@ -2018,9 +2035,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, /* requesting a specific address */ if (addr) { addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); + vma = find_vma_prev(mm, addr, &prev); if (TASK_SIZE - len >= addr && addr >= mmap_min_addr && - (!vma || addr + len <= vma->vm_start)) + (!vma || addr + len <= vm_start_gap(vma)) && + (!prev || addr >= vm_end_gap(prev))) return addr; } @@ -2155,21 +2173,19 @@ find_vma_prev(struct mm_struct *mm, unsigned long addr, * update accounting. This is shared with both the * grow-up and grow-down cases. */ -static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, unsigned long grow) +static int acct_stack_growth(struct vm_area_struct *vma, + unsigned long size, unsigned long grow) { struct mm_struct *mm = vma->vm_mm; struct rlimit *rlim = current->signal->rlim; - unsigned long new_start, actual_size; + unsigned long new_start; /* address space limit tests */ if (!may_expand_vm(mm, vma->vm_flags, grow)) return -ENOMEM; /* Stack limit test */ - actual_size = size; - if (size && (vma->vm_flags & (VM_GROWSUP | VM_GROWSDOWN))) - actual_size -= PAGE_SIZE; - if (actual_size > READ_ONCE(rlim[RLIMIT_STACK].rlim_cur)) + if (size > READ_ONCE(rlim[RLIMIT_STACK].rlim_cur)) return -ENOMEM; /* mlock limit tests */ @@ -2207,16 +2223,32 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns int expand_upwards(struct vm_area_struct *vma, unsigned long address) { struct mm_struct *mm = vma->vm_mm; + struct vm_area_struct *next; + unsigned long gap_addr; int error = 0; if (!(vma->vm_flags & VM_GROWSUP)) return -EFAULT; - /* Guard against wrapping around to address 0. */ - if (address < PAGE_ALIGN(address+4)) - address = PAGE_ALIGN(address+4); - else + /* Guard against exceeding limits of the address space. */ + address &= PAGE_MASK; + if (address >= TASK_SIZE) return -ENOMEM; + address += PAGE_SIZE; + + /* Enforce stack_guard_gap */ + gap_addr = address + stack_guard_gap; + + /* Guard against overflow */ + if (gap_addr < address || gap_addr > TASK_SIZE) + gap_addr = TASK_SIZE; + + next = vma->vm_next; + if (next && next->vm_start < gap_addr) { + if (!(next->vm_flags & VM_GROWSUP)) + return -ENOMEM; + /* Check that both stack segments have the same anon_vma? */ + } /* We must make sure the anon_vma is allocated. */ if (unlikely(anon_vma_prepare(vma))) @@ -2261,7 +2293,7 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address) if (vma->vm_next) vma_gap_update(vma->vm_next); else - mm->highest_vm_end = address; + mm->highest_vm_end = vm_end_gap(vma); spin_unlock(&mm->page_table_lock); perf_event_mmap(vma); @@ -2282,6 +2314,8 @@ int expand_downwards(struct vm_area_struct *vma, unsigned long address) { struct mm_struct *mm = vma->vm_mm; + struct vm_area_struct *prev; + unsigned long gap_addr; int error; address &= PAGE_MASK; @@ -2289,6 +2323,17 @@ int expand_downwards(struct vm_area_struct *vma, if (error) return error; + /* Enforce stack_guard_gap */ + gap_addr = address - stack_guard_gap; + if (gap_addr > address) + return -ENOMEM; + prev = vma->vm_prev; + if (prev && prev->vm_end > gap_addr) { + if (!(prev->vm_flags & VM_GROWSDOWN)) + return -ENOMEM; + /* Check that both stack segments have the same anon_vma? */ + } + /* We must make sure the anon_vma is allocated. */ if (unlikely(anon_vma_prepare(vma))) return -ENOMEM; @@ -2343,28 +2388,25 @@ int expand_downwards(struct vm_area_struct *vma, return error; } -/* - * Note how expand_stack() refuses to expand the stack all the way to - * abut the next virtual mapping, *unless* that mapping itself is also - * a stack mapping. We want to leave room for a guard page, after all - * (the guard page itself is not added here, that is done by the - * actual page faulting logic) - * - * This matches the behavior of the guard page logic (see mm/memory.c: - * check_stack_guard_page()), which only allows the guard page to be - * removed under these circumstances. - */ +/* enforced gap between the expanding stack and other mappings. */ +unsigned long stack_guard_gap = 256UL<<PAGE_SHIFT; + +static int __init cmdline_parse_stack_guard_gap(char *p) +{ + unsigned long val; + char *endptr; + + val = simple_strtoul(p, &endptr, 10); + if (!*endptr) + stack_guard_gap = val << PAGE_SHIFT; + + return 0; +} +__setup("stack_guard_gap=", cmdline_parse_stack_guard_gap); + #ifdef CONFIG_STACK_GROWSUP int expand_stack(struct vm_area_struct *vma, unsigned long address) { - struct vm_area_struct *next; - - address &= PAGE_MASK; - next = vma->vm_next; - if (next && next->vm_start == address + PAGE_SIZE) { - if (!(next->vm_flags & VM_GROWSUP)) - return -ENOMEM; - } return expand_upwards(vma, address); } @@ -2386,14 +2428,6 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr) #else int expand_stack(struct vm_area_struct *vma, unsigned long address) { - struct vm_area_struct *prev; - - address &= PAGE_MASK; - prev = vma->vm_prev; - if (prev && prev->vm_end == address) { - if (!(prev->vm_flags & VM_GROWSDOWN)) - return -ENOMEM; - } return expand_downwards(vma, address); } @@ -2491,7 +2525,7 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma, vma->vm_prev = prev; vma_gap_update(vma); } else - mm->highest_vm_end = prev ? prev->vm_end : 0; + mm->highest_vm_end = prev ? vm_end_gap(prev) : 0; tail_vma->vm_next = NULL; /* Kill the cache */ diff --git a/mm/page_alloc.c b/mm/page_alloc.c index f9e450c..2302f25 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -292,6 +292,26 @@ int page_group_by_mobility_disabled __read_mostly; #ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT static inline void reset_deferred_meminit(pg_data_t *pgdat) { + unsigned long max_initialise; + unsigned long reserved_lowmem; + + /* + * Initialise at least 2G of a node but also take into account that + * two large system hashes that can take up 1GB for 0.25TB/node. + */ + max_initialise = max(2UL << (30 - PAGE_SHIFT), + (pgdat->node_spanned_pages >> 8)); + + /* + * Compensate the all the memblock reservations (e.g. crash kernel) + * from the initial estimation to make sure we will initialize enough + * memory to boot. + */ + reserved_lowmem = memblock_reserved_memory_within(pgdat->node_start_pfn, + pgdat->node_start_pfn + max_initialise); + max_initialise += reserved_lowmem; + + pgdat->static_init_size = min(max_initialise, pgdat->node_spanned_pages); pgdat->first_deferred_pfn = ULONG_MAX; } @@ -314,20 +334,11 @@ static inline bool update_defer_init(pg_data_t *pgdat, unsigned long pfn, unsigned long zone_end, unsigned long *nr_initialised) { - unsigned long max_initialise; - /* Always populate low zones for address-contrained allocations */ if (zone_end < pgdat_end_pfn(pgdat)) return true; - /* - * Initialise at least 2G of a node but also take into account that - * two large system hashes that can take up 1GB for 0.25TB/node. - */ - max_initialise = max(2UL << (30 - PAGE_SHIFT), - (pgdat->node_spanned_pages >> 8)); - (*nr_initialised)++; - if ((*nr_initialised > max_initialise) && + if ((*nr_initialised > pgdat->static_init_size) && (pfn & (PAGES_PER_SECTION - 1)) == 0) { pgdat->first_deferred_pfn = pfn; return false; @@ -3870,7 +3881,9 @@ retry: goto got_pg; /* Avoid allocations with no watermarks from looping endlessly */ - if (test_thread_flag(TIF_MEMDIE)) + if (test_thread_flag(TIF_MEMDIE) && + (alloc_flags == ALLOC_NO_WATERMARKS || + (gfp_mask & __GFP_NOMEMALLOC))) goto nopage; /* Retry as long as the OOM killer is making progress */ @@ -6136,7 +6149,6 @@ void __paginginit free_area_init_node(int nid, unsigned long *zones_size, /* pg_data_t should be reset to zero when it's allocated */ WARN_ON(pgdat->nr_zones || pgdat->kswapd_classzone_idx); - reset_deferred_meminit(pgdat); pgdat->node_id = nid; pgdat->node_start_pfn = node_start_pfn; pgdat->per_cpu_nodestats = NULL; @@ -6158,6 +6170,7 @@ void __paginginit free_area_init_node(int nid, unsigned long *zones_size, (unsigned long)pgdat->node_mem_map); #endif + reset_deferred_meminit(pgdat); free_area_init_core(pgdat); } @@ -5512,6 +5512,7 @@ static void memcg_propagate_slab_attrs(struct kmem_cache *s) char mbuf[64]; char *buf; struct slab_attribute *attr = to_slab_attr(slab_attrs[i]); + ssize_t len; if (!attr || !attr->store || !attr->show) continue; @@ -5536,8 +5537,9 @@ static void memcg_propagate_slab_attrs(struct kmem_cache *s) buf = buffer; } - attr->show(root_cache, buf); - attr->store(s, buf, strlen(buf)); + len = attr->show(root_cache, buf); + if (len > 0) + attr->store(s, buf, len); } if (buffer) @@ -5623,6 +5625,28 @@ static char *create_unique_id(struct kmem_cache *s) return name; } +static void sysfs_slab_remove_workfn(struct work_struct *work) +{ + struct kmem_cache *s = + container_of(work, struct kmem_cache, kobj_remove_work); + + if (!s->kobj.state_in_sysfs) + /* + * For a memcg cache, this may be called during + * deactivation and again on shutdown. Remove only once. + * A cache is never shut down before deactivation is + * complete, so no need to worry about synchronization. + */ + return; + +#ifdef CONFIG_MEMCG + kset_unregister(s->memcg_kset); +#endif + kobject_uevent(&s->kobj, KOBJ_REMOVE); + kobject_del(&s->kobj); + kobject_put(&s->kobj); +} + static int sysfs_slab_add(struct kmem_cache *s) { int err; @@ -5630,6 +5654,8 @@ static int sysfs_slab_add(struct kmem_cache *s) struct kset *kset = cache_kset(s); int unmergeable = slab_unmergeable(s); + INIT_WORK(&s->kobj_remove_work, sysfs_slab_remove_workfn); + if (!kset) { kobject_init(&s->kobj, &slab_ktype); return 0; @@ -5693,20 +5719,8 @@ static void sysfs_slab_remove(struct kmem_cache *s) */ return; - if (!s->kobj.state_in_sysfs) - /* - * For a memcg cache, this may be called during - * deactivation and again on shutdown. Remove only once. - * A cache is never shut down before deactivation is - * complete, so no need to worry about synchronization. - */ - return; - -#ifdef CONFIG_MEMCG - kset_unregister(s->memcg_kset); -#endif - kobject_uevent(&s->kobj, KOBJ_REMOVE); - kobject_del(&s->kobj); + kobject_get(&s->kobj); + schedule_work(&s->kobj_remove_work); } void sysfs_slab_release(struct kmem_cache *s) diff --git a/mm/swap_cgroup.c b/mm/swap_cgroup.c index ac6318a..3405b4e 100644 --- a/mm/swap_cgroup.c +++ b/mm/swap_cgroup.c @@ -48,6 +48,9 @@ static int swap_cgroup_prepare(int type) if (!page) goto not_enough_page; ctrl->map[idx] = page; + + if (!(idx % SWAP_CLUSTER_MAX)) + cond_resched(); } return 0; not_enough_page: @@ -357,8 +357,11 @@ void *kvmalloc_node(size_t size, gfp_t flags, int node) WARN_ON_ONCE((flags & GFP_KERNEL) != GFP_KERNEL); /* - * Make sure that larger requests are not too disruptive - no OOM - * killer and no allocation failure warnings as we have a fallback + * We want to attempt a large physically contiguous block first because + * it is less likely to fragment multiple larger blocks and therefore + * contribute to a long term fragmentation less than vmalloc fallback. + * However make sure that larger requests are not too disruptive - no + * OOM killer and no allocation failure warnings as we have a fallback. */ if (size > PAGE_SIZE) { kmalloc_flags |= __GFP_NOWARN; diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 34a1c3e..ecc97f7 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -287,10 +287,21 @@ struct page *vmalloc_to_page(const void *vmalloc_addr) if (p4d_none(*p4d)) return NULL; pud = pud_offset(p4d, addr); - if (pud_none(*pud)) + + /* + * Don't dereference bad PUD or PMD (below) entries. This will also + * identify huge mappings, which we may encounter on architectures + * that define CONFIG_HAVE_ARCH_HUGE_VMAP=y. Such regions will be + * identified as vmalloc addresses by is_vmalloc_addr(), but are + * not [unambiguously] associated with a struct page, so there is + * no correct value to return for them. + */ + WARN_ON_ONCE(pud_bad(*pud)); + if (pud_none(*pud) || pud_bad(*pud)) return NULL; pmd = pmd_offset(pud, addr); - if (pmd_none(*pmd)) + WARN_ON_ONCE(pmd_bad(*pmd)); + if (pmd_none(*pmd) || pmd_bad(*pmd)) return NULL; ptep = pte_offset_map(pmd, addr); diff --git a/mm/vmpressure.c b/mm/vmpressure.c index 6063581..ce0618b 100644 --- a/mm/vmpressure.c +++ b/mm/vmpressure.c @@ -115,9 +115,9 @@ static enum vmpressure_levels vmpressure_calc_level(unsigned long scanned, unsigned long pressure = 0; /* - * reclaimed can be greater than scanned in cases - * like THP, where the scanned is 1 and reclaimed - * could be 512 + * reclaimed can be greater than scanned for things such as reclaimed + * slab pages. shrink_node() just adds reclaimed pages without a + * related increment to scanned pages. */ if (reclaimed >= scanned) goto out; diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 467069b..9649579 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -277,7 +277,8 @@ static int register_vlan_device(struct net_device *real_dev, u16 vlan_id) return 0; out_free_newdev: - free_netdev(new_dev); + if (new_dev->reg_state == NETREG_UNINITIALIZED) + free_netdev(new_dev); return err; } diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 953b672..abc5f40 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -813,7 +813,6 @@ static void vlan_dev_free(struct net_device *dev) free_percpu(vlan->vlan_pcpu_stats); vlan->vlan_pcpu_stats = NULL; - free_netdev(dev); } void vlan_setup(struct net_device *dev) @@ -826,7 +825,8 @@ void vlan_setup(struct net_device *dev) netif_keep_dst(dev); dev->netdev_ops = &vlan_netdev_ops; - dev->destructor = vlan_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = vlan_dev_free; dev->ethtool_ops = &vlan_ethtool_ops; dev->min_mtu = 0; diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index 013e970..000ca2f 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -1064,8 +1064,9 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv, skb_new->protocol = eth_type_trans(skb_new, soft_iface); - soft_iface->stats.rx_packets++; - soft_iface->stats.rx_bytes += skb->len + ETH_HLEN + hdr_size; + batadv_inc_counter(bat_priv, BATADV_CNT_RX); + batadv_add_counter(bat_priv, BATADV_CNT_RX_BYTES, + skb->len + ETH_HLEN + hdr_size); netif_rx(skb_new); batadv_dbg(BATADV_DBG_DAT, bat_priv, "ARP request replied locally\n"); diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index e1ebe14..ae9f4d3 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -987,7 +987,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb, batadv_dbg(BATADV_DBG_BLA, bat_priv, "recv_unicast_packet(): Dropped unicast pkt received from another backbone gw %pM.\n", orig_addr_gw); - return NET_RX_DROP; + goto free_skb; } } diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index b25789a..10f7edf 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -1034,8 +1034,6 @@ static void batadv_softif_free(struct net_device *dev) * netdev and its private data (bat_priv) */ rcu_barrier(); - - free_netdev(dev); } /** @@ -1047,7 +1045,8 @@ static void batadv_softif_init_early(struct net_device *dev) ether_setup(dev); dev->netdev_ops = &batadv_netdev_ops; - dev->destructor = batadv_softif_free; + dev->needs_free_netdev = true; + dev->priv_destructor = batadv_softif_free; dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_NETNS_LOCAL; dev->priv_flags |= IFF_NO_QUEUE; diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c index 6089599..ab3b654 100644 --- a/net/bluetooth/6lowpan.c +++ b/net/bluetooth/6lowpan.c @@ -598,7 +598,7 @@ static void netdev_setup(struct net_device *dev) dev->netdev_ops = &netdev_ops; dev->header_ops = &header_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; } static struct device_type bt_type = { diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 430b53e..f0f3447 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -379,7 +379,7 @@ void br_dev_setup(struct net_device *dev) ether_setup(dev); dev->netdev_ops = &br_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->ethtool_ops = &br_ethtool_ops; SET_NETDEV_DEVTYPE(dev, &br_type); dev->priv_flags = IFF_EBRIDGE | IFF_NO_QUEUE; diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index 574f788..32bd3ea 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -595,7 +595,7 @@ static int br_afspec(struct net_bridge *br, err = 0; switch (nla_type(attr)) { case IFLA_BRIDGE_VLAN_TUNNEL_INFO: - if (!(p->flags & BR_VLAN_TUNNEL)) + if (!p || !(p->flags & BR_VLAN_TUNNEL)) return -EINVAL; err = br_parse_vlan_tunnel_info(attr, &tinfo_curr); if (err) diff --git a/net/bridge/br_stp_if.c b/net/bridge/br_stp_if.c index 0db8102..6f12a52 100644 --- a/net/bridge/br_stp_if.c +++ b/net/bridge/br_stp_if.c @@ -179,7 +179,8 @@ static void br_stp_start(struct net_bridge *br) br_debug(br, "using kernel STP\n"); /* To start timers on any ports left in blocking */ - mod_timer(&br->hello_timer, jiffies + br->hello_time); + if (br->dev->flags & IFF_UP) + mod_timer(&br->hello_timer, jiffies + br->hello_time); br_port_state_selection(br); } diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index adcad34..21f18ea 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -754,6 +754,10 @@ static int caif_connect(struct socket *sock, struct sockaddr *uaddr, lock_sock(sk); + err = -EINVAL; + if (addr_len < offsetofend(struct sockaddr, sa_family)) + goto out; + err = -EAFNOSUPPORT; if (uaddr->sa_family != AF_CAIF) goto out; diff --git a/net/caif/cfpkt_skbuff.c b/net/caif/cfpkt_skbuff.c index 59ce1fc..71b6ab2 100644 --- a/net/caif/cfpkt_skbuff.c +++ b/net/caif/cfpkt_skbuff.c @@ -81,11 +81,7 @@ static struct cfpkt *cfpkt_create_pfx(u16 len, u16 pfx) { struct sk_buff *skb; - if (likely(in_interrupt())) - skb = alloc_skb(len + pfx, GFP_ATOMIC); - else - skb = alloc_skb(len + pfx, GFP_KERNEL); - + skb = alloc_skb(len + pfx, GFP_ATOMIC); if (unlikely(skb == NULL)) return NULL; diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c index 1816fc9..fe3c53e 100644 --- a/net/caif/chnl_net.c +++ b/net/caif/chnl_net.c @@ -392,14 +392,14 @@ static void chnl_net_destructor(struct net_device *dev) { struct chnl_net *priv = netdev_priv(dev); caif_free_client(&priv->chnl); - free_netdev(dev); } static void ipcaif_net_setup(struct net_device *dev) { struct chnl_net *priv; dev->netdev_ops = &netdev_ops; - dev->destructor = chnl_net_destructor; + dev->needs_free_netdev = true; + dev->priv_destructor = chnl_net_destructor; dev->flags |= IFF_NOARP; dev->flags |= IFF_POINTOPOINT; dev->mtu = GPRS_PDP_MTU; diff --git a/net/can/af_can.c b/net/can/af_can.c index b6406fe..88edac0 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -872,8 +872,7 @@ static int can_notifier(struct notifier_block *nb, unsigned long msg, static int can_pernet_init(struct net *net) { - net->can.can_rcvlists_lock = - __SPIN_LOCK_UNLOCKED(net->can.can_rcvlists_lock); + spin_lock_init(&net->can.can_rcvlists_lock); net->can.can_rx_alldev_list = kzalloc(sizeof(struct dev_rcv_lists), GFP_KERNEL); diff --git a/net/core/dev.c b/net/core/dev.c index fca407b..416137c 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1253,8 +1253,9 @@ int dev_set_alias(struct net_device *dev, const char *alias, size_t len) if (!new_ifalias) return -ENOMEM; dev->ifalias = new_ifalias; + memcpy(dev->ifalias, alias, len); + dev->ifalias[len] = 0; - strlcpy(dev->ifalias, alias, len+1); return len; } @@ -4766,6 +4767,13 @@ struct packet_offload *gro_find_complete_by_type(__be16 type) } EXPORT_SYMBOL(gro_find_complete_by_type); +static void napi_skb_free_stolen_head(struct sk_buff *skb) +{ + skb_dst_drop(skb); + secpath_reset(skb); + kmem_cache_free(skbuff_head_cache, skb); +} + static gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb) { switch (ret) { @@ -4779,13 +4787,10 @@ static gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb) break; case GRO_MERGED_FREE: - if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD) { - skb_dst_drop(skb); - secpath_reset(skb); - kmem_cache_free(skbuff_head_cache, skb); - } else { + if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD) + napi_skb_free_stolen_head(skb); + else __kfree_skb(skb); - } break; case GRO_HELD: @@ -4857,10 +4862,16 @@ static gro_result_t napi_frags_finish(struct napi_struct *napi, break; case GRO_DROP: - case GRO_MERGED_FREE: napi_reuse_skb(napi, skb); break; + case GRO_MERGED_FREE: + if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD) + napi_skb_free_stolen_head(skb); + else + napi_reuse_skb(napi, skb); + break; + case GRO_MERGED: case GRO_CONSUMED: break; @@ -4948,6 +4959,19 @@ __sum16 __skb_gro_checksum_complete(struct sk_buff *skb) } EXPORT_SYMBOL(__skb_gro_checksum_complete); +static void net_rps_send_ipi(struct softnet_data *remsd) +{ +#ifdef CONFIG_RPS + while (remsd) { + struct softnet_data *next = remsd->rps_ipi_next; + + if (cpu_online(remsd->cpu)) + smp_call_function_single_async(remsd->cpu, &remsd->csd); + remsd = next; + } +#endif +} + /* * net_rps_action_and_irq_enable sends any pending IPI's for rps. * Note: called with local irq disabled, but exits with local irq enabled. @@ -4963,14 +4987,7 @@ static void net_rps_action_and_irq_enable(struct softnet_data *sd) local_irq_enable(); /* Send pending IPI's to kick RPS processing on remote cpus. */ - while (remsd) { - struct softnet_data *next = remsd->rps_ipi_next; - - if (cpu_online(remsd->cpu)) - smp_call_function_single_async(remsd->cpu, - &remsd->csd); - remsd = next; - } + net_rps_send_ipi(remsd); } else #endif local_irq_enable(); @@ -5199,8 +5216,6 @@ static void busy_poll_stop(struct napi_struct *napi, void *have_poll_lock) if (rc == BUSY_POLL_BUDGET) __napi_schedule(napi); local_bh_enable(); - if (local_softirq_pending()) - do_softirq(); } void napi_busy_loop(unsigned int napi_id, @@ -7501,6 +7516,8 @@ out: err_uninit: if (dev->netdev_ops->ndo_uninit) dev->netdev_ops->ndo_uninit(dev); + if (dev->priv_destructor) + dev->priv_destructor(dev); goto out; } EXPORT_SYMBOL(register_netdevice); @@ -7708,8 +7725,10 @@ void netdev_run_todo(void) WARN_ON(rcu_access_pointer(dev->ip6_ptr)); WARN_ON(dev->dn_ptr); - if (dev->destructor) - dev->destructor(dev); + if (dev->priv_destructor) + dev->priv_destructor(dev); + if (dev->needs_free_netdev) + free_netdev(dev); /* Report a network device has been unregistered */ rtnl_lock(); @@ -7774,9 +7793,9 @@ struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev, } else { netdev_stats_to_stats64(storage, &dev->stats); } - storage->rx_dropped += atomic_long_read(&dev->rx_dropped); - storage->tx_dropped += atomic_long_read(&dev->tx_dropped); - storage->rx_nohandler += atomic_long_read(&dev->rx_nohandler); + storage->rx_dropped += (unsigned long)atomic_long_read(&dev->rx_dropped); + storage->tx_dropped += (unsigned long)atomic_long_read(&dev->tx_dropped); + storage->rx_nohandler += (unsigned long)atomic_long_read(&dev->rx_nohandler); return storage; } EXPORT_SYMBOL(dev_get_stats); @@ -8192,7 +8211,7 @@ static int dev_cpu_dead(unsigned int oldcpu) struct sk_buff **list_skb; struct sk_buff *skb; unsigned int cpu; - struct softnet_data *sd, *oldsd; + struct softnet_data *sd, *oldsd, *remsd = NULL; local_irq_disable(); cpu = smp_processor_id(); @@ -8233,6 +8252,13 @@ static int dev_cpu_dead(unsigned int oldcpu) raise_softirq_irqoff(NET_TX_SOFTIRQ); local_irq_enable(); +#ifdef CONFIG_RPS + remsd = oldsd->rps_ipi_list; + oldsd->rps_ipi_list = NULL; +#endif + /* send out pending IPI's on offline CPU */ + net_rps_send_ipi(remsd); + /* Process offline CPU's input_pkt_queue */ while ((skb = __skb_dequeue(&oldsd->process_queue))) { netif_rx_ni(skb); diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c index b94b1d2..27fad31 100644 --- a/net/core/dev_ioctl.c +++ b/net/core/dev_ioctl.c @@ -410,6 +410,22 @@ int dev_ioctl(struct net *net, unsigned int cmd, void __user *arg) if (cmd == SIOCGIFNAME) return dev_ifname(net, (struct ifreq __user *)arg); + /* + * Take care of Wireless Extensions. Unfortunately struct iwreq + * isn't a proper subset of struct ifreq (it's 8 byte shorter) + * so we need to treat it specially, otherwise applications may + * fault if the struct they're passing happens to land at the + * end of a mapped page. + */ + if (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST) { + struct iwreq iwr; + + if (copy_from_user(&iwr, arg, sizeof(iwr))) + return -EFAULT; + + return wext_handle_ioctl(net, &iwr, cmd, arg); + } + if (copy_from_user(&ifr, arg, sizeof(struct ifreq))) return -EFAULT; @@ -559,9 +575,6 @@ int dev_ioctl(struct net *net, unsigned int cmd, void __user *arg) ret = -EFAULT; return ret; } - /* Take care of Wireless Extensions */ - if (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST) - return wext_handle_ioctl(net, &ifr, cmd, arg); return -ENOTTY; } } diff --git a/net/core/devlink.c b/net/core/devlink.c index b0b87a2..a0adfc3 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -1680,8 +1680,10 @@ start_again: hdr = genlmsg_put(skb, info->snd_portid, info->snd_seq, &devlink_nl_family, NLM_F_MULTI, cmd); - if (!hdr) + if (!hdr) { + nlmsg_free(skb); return -EMSGSIZE; + } if (devlink_nl_put_handle(skb, devlink)) goto nla_put_failure; @@ -2098,8 +2100,10 @@ start_again: hdr = genlmsg_put(skb, info->snd_portid, info->snd_seq, &devlink_nl_family, NLM_F_MULTI, cmd); - if (!hdr) + if (!hdr) { + nlmsg_free(skb); return -EMSGSIZE; + } if (devlink_nl_put_handle(skb, devlink)) goto nla_put_failure; diff --git a/net/core/dst.c b/net/core/dst.c index 6192f11..13ba4a0 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -469,6 +469,20 @@ static int dst_dev_event(struct notifier_block *this, unsigned long event, spin_lock_bh(&dst_garbage.lock); dst = dst_garbage.list; dst_garbage.list = NULL; + /* The code in dst_ifdown places a hold on the loopback device. + * If the gc entry processing is set to expire after a lengthy + * interval, this hold can cause netdev_wait_allrefs() to hang + * out and wait for a long time -- until the the loopback + * interface is released. If we're really unlucky, it'll emit + * pr_emerg messages to console too. Reset the interval here, + * so dst cleanups occur in a more timely fashion. + */ + if (dst_garbage.timer_inc > DST_GC_INC) { + dst_garbage.timer_inc = DST_GC_INC; + dst_garbage.timer_expires = DST_GC_MIN; + mod_delayed_work(system_wq, &dst_gc_work, + dst_garbage.timer_expires); + } spin_unlock_bh(&dst_garbage.lock); if (last) diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index f21c4d3..3bba291 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -568,7 +568,7 @@ int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr *nlh, struct net *net = sock_net(skb->sk); struct fib_rule_hdr *frh = nlmsg_data(nlh); struct fib_rules_ops *ops = NULL; - struct fib_rule *rule, *tmp; + struct fib_rule *rule, *r; struct nlattr *tb[FRA_MAX+1]; struct fib_kuid_range range; int err = -EINVAL; @@ -668,16 +668,23 @@ int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr *nlh, /* * Check if this rule is a target to any of them. If so, + * adjust to the next one with the same preference or * disable them. As this operation is eventually very - * expensive, it is only performed if goto rules have - * actually been added. + * expensive, it is only performed if goto rules, except + * current if it is goto rule, have actually been added. */ if (ops->nr_goto_rules > 0) { - list_for_each_entry(tmp, &ops->rules_list, list) { - if (rtnl_dereference(tmp->ctarget) == rule) { - RCU_INIT_POINTER(tmp->ctarget, NULL); + struct fib_rule *n; + + n = list_next_entry(rule, list); + if (&n->list == &ops->rules_list || n->pref != rule->pref) + n = NULL; + list_for_each_entry(r, &ops->rules_list, list) { + if (rtnl_dereference(r->ctarget) != rule) + continue; + rcu_assign_pointer(r->ctarget, n); + if (!n) ops->unresolved_rules++; - } } } diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 9e2c0a7..467a2f4 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -931,6 +931,7 @@ static noinline size_t if_nlmsg_size(const struct net_device *dev, + nla_total_size(1) /* IFLA_LINKMODE */ + nla_total_size(4) /* IFLA_CARRIER_CHANGES */ + nla_total_size(4) /* IFLA_LINK_NETNSID */ + + nla_total_size(4) /* IFLA_GROUP */ + nla_total_size(ext_filter_mask & RTEXT_FILTER_VF ? 4 : 0) /* IFLA_NUM_VF */ + rtnl_vfinfo_size(dev, ext_filter_mask) /* IFLA_VFINFO_LIST */ @@ -1124,6 +1125,8 @@ static noinline_for_stack int rtnl_fill_vfinfo(struct sk_buff *skb, struct ifla_vf_mac vf_mac; struct ifla_vf_info ivi; + memset(&ivi, 0, sizeof(ivi)); + /* Not all SR-IOV capable drivers support the * spoofcheck and "RSS query enable" query. Preset to * -1 so the user space tool can detect that the driver @@ -1132,7 +1135,6 @@ static noinline_for_stack int rtnl_fill_vfinfo(struct sk_buff *skb, ivi.spoofchk = -1; ivi.rss_query_en = -1; ivi.trusted = -1; - memset(ivi.mac, 0, sizeof(ivi.mac)); /* The default value for VF link state is "auto" * IFLA_VF_LINK_STATE_AUTO which equals zero */ @@ -1467,6 +1469,7 @@ static const struct nla_policy ifla_policy[IFLA_MAX+1] = { [IFLA_LINK_NETNSID] = { .type = NLA_S32 }, [IFLA_PROTO_DOWN] = { .type = NLA_U8 }, [IFLA_XDP] = { .type = NLA_NESTED }, + [IFLA_GROUP] = { .type = NLA_U32 }, }; static const struct nla_policy ifla_info_policy[IFLA_INFO_MAX+1] = { diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 346d3e8..b1be7c0 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -3754,8 +3754,11 @@ struct sk_buff *sock_dequeue_err_skb(struct sock *sk) spin_lock_irqsave(&q->lock, flags); skb = __skb_dequeue(q); - if (skb && (skb_next = skb_peek(q))) + if (skb && (skb_next = skb_peek(q))) { icmp_next = is_icmp_err_skb(skb_next); + if (icmp_next) + sk->sk_err = SKB_EXT_ERR(skb_next)->ee.ee_origin; + } spin_unlock_irqrestore(&q->lock, flags); if (is_icmp_err_skb(skb) && !icmp_next) diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index 4b9518a..6f95612 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -188,12 +188,6 @@ static inline void dnrt_free(struct dn_route *rt) call_rcu_bh(&rt->dst.rcu_head, dst_rcu_free); } -static inline void dnrt_drop(struct dn_route *rt) -{ - dst_release(&rt->dst); - call_rcu_bh(&rt->dst.rcu_head, dst_rcu_free); -} - static void dn_dst_check_expire(unsigned long dummy) { int i; @@ -248,7 +242,7 @@ static int dn_dst_gc(struct dst_ops *ops) } *rtp = rt->dst.dn_next; rt->dst.dn_next = NULL; - dnrt_drop(rt); + dnrt_free(rt); break; } spin_unlock_bh(&dn_rt_hash_table[i].lock); @@ -350,7 +344,7 @@ static int dn_insert_route(struct dn_route *rt, unsigned int hash, struct dn_rou dst_use(&rth->dst, now); spin_unlock_bh(&dn_rt_hash_table[hash].lock); - dnrt_drop(rt); + dst_free(&rt->dst); *rp = rth; return 0; } @@ -380,7 +374,7 @@ static void dn_run_flush(unsigned long dummy) for(; rt; rt = next) { next = rcu_dereference_raw(rt->dst.dn_next); RCU_INIT_POINTER(rt->dst.dn_next, NULL); - dst_free((struct dst_entry *)rt); + dnrt_free(rt); } nothing_to_declare: @@ -1187,7 +1181,7 @@ make_route: if (dev_out->flags & IFF_LOOPBACK) flags |= RTCF_LOCAL; - rt = dst_alloc(&dn_dst_ops, dev_out, 1, DST_OBSOLETE_NONE, DST_HOST); + rt = dst_alloc(&dn_dst_ops, dev_out, 0, DST_OBSOLETE_NONE, DST_HOST); if (rt == NULL) goto e_nobufs; diff --git a/net/decnet/netfilter/dn_rtmsg.c b/net/decnet/netfilter/dn_rtmsg.c index 1ed81ac..aa8ffec 100644 --- a/net/decnet/netfilter/dn_rtmsg.c +++ b/net/decnet/netfilter/dn_rtmsg.c @@ -102,7 +102,9 @@ static inline void dnrmg_receive_user_skb(struct sk_buff *skb) { struct nlmsghdr *nlh = nlmsg_hdr(skb); - if (nlh->nlmsg_len < sizeof(*nlh) || skb->len < nlh->nlmsg_len) + if (skb->len < sizeof(*nlh) || + nlh->nlmsg_len < sizeof(*nlh) || + skb->len < nlh->nlmsg_len) return; if (!netlink_capable(skb, CAP_NET_ADMIN)) diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 26130ae..90038d4 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -223,6 +223,53 @@ static int dsa_switch_rcv(struct sk_buff *skb, struct net_device *dev, return 0; } +#ifdef CONFIG_PM_SLEEP +int dsa_switch_suspend(struct dsa_switch *ds) +{ + int i, ret = 0; + + /* Suspend slave network devices */ + for (i = 0; i < ds->num_ports; i++) { + if (!dsa_is_port_initialized(ds, i)) + continue; + + ret = dsa_slave_suspend(ds->ports[i].netdev); + if (ret) + return ret; + } + + if (ds->ops->suspend) + ret = ds->ops->suspend(ds); + + return ret; +} +EXPORT_SYMBOL_GPL(dsa_switch_suspend); + +int dsa_switch_resume(struct dsa_switch *ds) +{ + int i, ret = 0; + + if (ds->ops->resume) + ret = ds->ops->resume(ds); + + if (ret) + return ret; + + /* Resume slave network devices */ + for (i = 0; i < ds->num_ports; i++) { + if (!dsa_is_port_initialized(ds, i)) + continue; + + ret = dsa_slave_resume(ds->ports[i].netdev); + if (ret) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(dsa_switch_resume); +#endif + static struct packet_type dsa_pack_type __read_mostly = { .type = cpu_to_be16(ETH_P_XDSA), .func = dsa_switch_rcv, diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c index 033b3bf..7796580 100644 --- a/net/dsa/dsa2.c +++ b/net/dsa/dsa2.c @@ -484,8 +484,10 @@ static void dsa_dst_unapply(struct dsa_switch_tree *dst) dsa_ds_unapply(dst, ds); } - if (dst->cpu_switch) + if (dst->cpu_switch) { dsa_cpu_port_ethtool_restore(dst->cpu_switch); + dst->cpu_switch = NULL; + } pr_info("DSA: tree %d unapplied\n", dst->tree); dst->applied = false; diff --git a/net/dsa/legacy.c b/net/dsa/legacy.c index ad345c8..7281098 100644 --- a/net/dsa/legacy.c +++ b/net/dsa/legacy.c @@ -289,53 +289,6 @@ static void dsa_switch_destroy(struct dsa_switch *ds) dsa_switch_unregister_notifier(ds); } -#ifdef CONFIG_PM_SLEEP -int dsa_switch_suspend(struct dsa_switch *ds) -{ - int i, ret = 0; - - /* Suspend slave network devices */ - for (i = 0; i < ds->num_ports; i++) { - if (!dsa_is_port_initialized(ds, i)) - continue; - - ret = dsa_slave_suspend(ds->ports[i].netdev); - if (ret) - return ret; - } - - if (ds->ops->suspend) - ret = ds->ops->suspend(ds); - - return ret; -} -EXPORT_SYMBOL_GPL(dsa_switch_suspend); - -int dsa_switch_resume(struct dsa_switch *ds) -{ - int i, ret = 0; - - if (ds->ops->resume) - ret = ds->ops->resume(ds); - - if (ret) - return ret; - - /* Resume slave network devices */ - for (i = 0; i < ds->num_ports; i++) { - if (!dsa_is_port_initialized(ds, i)) - continue; - - ret = dsa_slave_resume(ds->ports[i].netdev); - if (ret) - return ret; - } - - return 0; -} -EXPORT_SYMBOL_GPL(dsa_switch_resume); -#endif - /* platform driver init and cleanup *****************************************/ static int dev_is_class(struct device *dev, void *class) { diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c index c73160f..0a0a392 100644 --- a/net/hsr/hsr_device.c +++ b/net/hsr/hsr_device.c @@ -378,7 +378,6 @@ static void hsr_dev_destroy(struct net_device *hsr_dev) del_timer_sync(&hsr->announce_timer); synchronize_rcu(); - free_netdev(hsr_dev); } static const struct net_device_ops hsr_device_ops = { @@ -404,7 +403,8 @@ void hsr_dev_setup(struct net_device *dev) SET_NETDEV_DEVTYPE(dev, &hsr_type); dev->priv_flags |= IFF_NO_QUEUE; - dev->destructor = hsr_dev_destroy; + dev->needs_free_netdev = true; + dev->priv_destructor = hsr_dev_destroy; dev->hw_features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA | NETIF_F_GSO_MASK | NETIF_F_HW_CSUM | diff --git a/net/hsr/hsr_forward.c b/net/hsr/hsr_forward.c index 4ebe2aa..04b5450 100644 --- a/net/hsr/hsr_forward.c +++ b/net/hsr/hsr_forward.c @@ -324,8 +324,7 @@ static int hsr_fill_frame_info(struct hsr_frame_info *frame, unsigned long irqflags; frame->is_supervision = is_supervision_frame(port->hsr, skb); - frame->node_src = hsr_get_node(&port->hsr->node_db, skb, - frame->is_supervision); + frame->node_src = hsr_get_node(port, skb, frame->is_supervision); if (frame->node_src == NULL) return -1; /* Unknown node and !is_supervision, or no mem */ diff --git a/net/hsr/hsr_framereg.c b/net/hsr/hsr_framereg.c index 7ea9258..284a9b8 100644 --- a/net/hsr/hsr_framereg.c +++ b/net/hsr/hsr_framereg.c @@ -158,9 +158,10 @@ struct hsr_node *hsr_add_node(struct list_head *node_db, unsigned char addr[], /* Get the hsr_node from which 'skb' was sent. */ -struct hsr_node *hsr_get_node(struct list_head *node_db, struct sk_buff *skb, +struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb, bool is_sup) { + struct list_head *node_db = &port->hsr->node_db; struct hsr_node *node; struct ethhdr *ethhdr; u16 seq_out; @@ -186,7 +187,11 @@ struct hsr_node *hsr_get_node(struct list_head *node_db, struct sk_buff *skb, */ seq_out = hsr_get_skb_sequence_nr(skb) - 1; } else { - WARN_ONCE(1, "%s: Non-HSR frame\n", __func__); + /* this is called also for frames from master port and + * so warn only for non master ports + */ + if (port->type != HSR_PT_MASTER) + WARN_ONCE(1, "%s: Non-HSR frame\n", __func__); seq_out = HSR_SEQNR_START; } diff --git a/net/hsr/hsr_framereg.h b/net/hsr/hsr_framereg.h index 438b40f..4e04f0e 100644 --- a/net/hsr/hsr_framereg.h +++ b/net/hsr/hsr_framereg.h @@ -18,7 +18,7 @@ struct hsr_node; struct hsr_node *hsr_add_node(struct list_head *node_db, unsigned char addr[], u16 seq_out); -struct hsr_node *hsr_get_node(struct list_head *node_db, struct sk_buff *skb, +struct hsr_node *hsr_get_node(struct hsr_port *port, struct sk_buff *skb, bool is_sup); void hsr_handle_sup_frame(struct sk_buff *skb, struct hsr_node *node_curr, struct hsr_port *port); diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c index d7efbf0..0a866f33 100644 --- a/net/ieee802154/6lowpan/core.c +++ b/net/ieee802154/6lowpan/core.c @@ -107,7 +107,7 @@ static void lowpan_setup(struct net_device *ldev) ldev->netdev_ops = &lowpan_netdev_ops; ldev->header_ops = &lowpan_header_ops; - ldev->destructor = free_netdev; + ldev->needs_free_netdev = true; ldev->features |= NETIF_F_NETNS_LOCAL; } diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index f3dad16..58925b6 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -1043,7 +1043,7 @@ static struct inet_protosw inetsw_array[] = .type = SOCK_DGRAM, .protocol = IPPROTO_ICMP, .prot = &ping_prot, - .ops = &inet_dgram_ops, + .ops = &inet_sockraw_ops, .flags = INET_PROTOSW_REUSE, }, diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 43318b5..9144fa7 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -657,8 +657,12 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) /* Needed by both icmp_global_allow and icmp_xmit_lock */ local_bh_disable(); - /* Check global sysctl_icmp_msgs_per_sec ratelimit */ - if (!icmpv4_global_allow(net, type, code)) + /* Check global sysctl_icmp_msgs_per_sec ratelimit, unless + * incoming dev is loopback. If outgoing dev change to not be + * loopback, then peer ratelimit still work (in icmpv4_xrlim_allow) + */ + if (!(skb_in->dev && (skb_in->dev->flags&IFF_LOOPBACK)) && + !icmpv4_global_allow(net, type, code)) goto out_bh_enable; sk = icmp_xmit_lock(net); diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 44fd86d..ec9a396 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -1112,6 +1112,7 @@ static void igmpv3_add_delrec(struct in_device *in_dev, struct ip_mc_list *im) pmc = kzalloc(sizeof(*pmc), GFP_KERNEL); if (!pmc) return; + spin_lock_init(&pmc->lock); spin_lock_bh(&im->lock); pmc->interface = im->interface; in_dev_hold(in_dev); @@ -2071,21 +2072,26 @@ static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode, static void ip_mc_clear_src(struct ip_mc_list *pmc) { - struct ip_sf_list *psf, *nextpsf; + struct ip_sf_list *psf, *nextpsf, *tomb, *sources; - for (psf = pmc->tomb; psf; psf = nextpsf) { + spin_lock_bh(&pmc->lock); + tomb = pmc->tomb; + pmc->tomb = NULL; + sources = pmc->sources; + pmc->sources = NULL; + pmc->sfmode = MCAST_EXCLUDE; + pmc->sfcount[MCAST_INCLUDE] = 0; + pmc->sfcount[MCAST_EXCLUDE] = 1; + spin_unlock_bh(&pmc->lock); + + for (psf = tomb; psf; psf = nextpsf) { nextpsf = psf->sf_next; kfree(psf); } - pmc->tomb = NULL; - for (psf = pmc->sources; psf; psf = nextpsf) { + for (psf = sources; psf; psf = nextpsf) { nextpsf = psf->sf_next; kfree(psf); } - pmc->sources = NULL; - pmc->sfmode = MCAST_EXCLUDE; - pmc->sfcount[MCAST_INCLUDE] = 0; - pmc->sfcount[MCAST_EXCLUDE] = 1; } /* Join a multicast group diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 7a3fd25..532b36e 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -964,7 +964,8 @@ static int __ip_append_data(struct sock *sk, csummode = CHECKSUM_PARTIAL; cork->length += length; - if ((((length + fragheaderlen) > mtu) || (skb && skb_is_gso(skb))) && + if ((((length + (skb ? skb->len : fragheaderlen)) > mtu) || + (skb && skb_is_gso(skb))) && (sk->sk_protocol == IPPROTO_UDP) && (rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) && (sk->sk_type == SOCK_DGRAM) && !sk->sk_no_check_tx) { diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index b878ecb..129d1a3 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -446,6 +446,8 @@ int ip_tunnel_rcv(struct ip_tunnel *tunnel, struct sk_buff *skb, return 0; drop: + if (tun_dst) + dst_release((struct dst_entry *)tun_dst); kfree_skb(skb); return 0; } @@ -967,7 +969,6 @@ static void ip_tunnel_dev_free(struct net_device *dev) gro_cells_destroy(&tunnel->gro_cells); dst_cache_destroy(&tunnel->dst_cache); free_percpu(dev->tstats); - free_netdev(dev); } void ip_tunnel_dellink(struct net_device *dev, struct list_head *head) @@ -1155,7 +1156,8 @@ int ip_tunnel_init(struct net_device *dev) struct iphdr *iph = &tunnel->parms.iph; int err; - dev->destructor = ip_tunnel_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = ip_tunnel_dev_free; dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats); if (!dev->tstats) return -ENOMEM; diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 551de4d..8ae425c 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -101,8 +101,8 @@ static struct mr_table *ipmr_new_table(struct net *net, u32 id); static void ipmr_free_table(struct mr_table *mrt); static void ip_mr_forward(struct net *net, struct mr_table *mrt, - struct sk_buff *skb, struct mfc_cache *cache, - int local); + struct net_device *dev, struct sk_buff *skb, + struct mfc_cache *cache, int local); static int ipmr_cache_report(struct mr_table *mrt, struct sk_buff *pkt, vifi_t vifi, int assert); static int __ipmr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb, @@ -501,7 +501,7 @@ static void reg_vif_setup(struct net_device *dev) dev->mtu = ETH_DATA_LEN - sizeof(struct iphdr) - 8; dev->flags = IFF_NOARP; dev->netdev_ops = ®_vif_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->features |= NETIF_F_NETNS_LOCAL; } @@ -988,7 +988,7 @@ static void ipmr_cache_resolve(struct net *net, struct mr_table *mrt, rtnl_unicast(skb, net, NETLINK_CB(skb).portid); } else { - ip_mr_forward(net, mrt, skb, c, 0); + ip_mr_forward(net, mrt, skb->dev, skb, c, 0); } } } @@ -1073,7 +1073,7 @@ static int ipmr_cache_report(struct mr_table *mrt, /* Queue a packet for resolution. It gets locked cache entry! */ static int ipmr_cache_unresolved(struct mr_table *mrt, vifi_t vifi, - struct sk_buff *skb) + struct sk_buff *skb, struct net_device *dev) { const struct iphdr *iph = ip_hdr(skb); struct mfc_cache *c; @@ -1130,6 +1130,10 @@ static int ipmr_cache_unresolved(struct mr_table *mrt, vifi_t vifi, kfree_skb(skb); err = -ENOBUFS; } else { + if (dev) { + skb->dev = dev; + skb->skb_iif = dev->ifindex; + } skb_queue_tail(&c->mfc_un.unres.unresolved, skb); err = 0; } @@ -1828,10 +1832,10 @@ static int ipmr_find_vif(struct mr_table *mrt, struct net_device *dev) /* "local" means that we should preserve one skb (for local delivery) */ static void ip_mr_forward(struct net *net, struct mr_table *mrt, - struct sk_buff *skb, struct mfc_cache *cache, - int local) + struct net_device *dev, struct sk_buff *skb, + struct mfc_cache *cache, int local) { - int true_vifi = ipmr_find_vif(mrt, skb->dev); + int true_vifi = ipmr_find_vif(mrt, dev); int psend = -1; int vif, ct; @@ -1853,13 +1857,7 @@ static void ip_mr_forward(struct net *net, struct mr_table *mrt, } /* Wrong interface: drop packet and (maybe) send PIM assert. */ - if (mrt->vif_table[vif].dev != skb->dev) { - struct net_device *mdev; - - mdev = l3mdev_master_dev_rcu(mrt->vif_table[vif].dev); - if (mdev == skb->dev) - goto forward; - + if (mrt->vif_table[vif].dev != dev) { if (rt_is_output_route(skb_rtable(skb))) { /* It is our own packet, looped back. * Very complicated situation... @@ -2053,7 +2051,7 @@ int ip_mr_input(struct sk_buff *skb) read_lock(&mrt_lock); vif = ipmr_find_vif(mrt, dev); if (vif >= 0) { - int err2 = ipmr_cache_unresolved(mrt, vif, skb); + int err2 = ipmr_cache_unresolved(mrt, vif, skb, dev); read_unlock(&mrt_lock); return err2; @@ -2064,7 +2062,7 @@ int ip_mr_input(struct sk_buff *skb) } read_lock(&mrt_lock); - ip_mr_forward(net, mrt, skb, cache, local); + ip_mr_forward(net, mrt, dev, skb, cache, local); read_unlock(&mrt_lock); if (local) @@ -2238,7 +2236,7 @@ int ipmr_get_route(struct net *net, struct sk_buff *skb, iph->saddr = saddr; iph->daddr = daddr; iph->version = 0; - err = ipmr_cache_unresolved(mrt, vif, skb2); + err = ipmr_cache_unresolved(mrt, vif, skb2, dev); read_unlock(&mrt_lock); rcu_read_unlock(); return err; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 59792d2..40aca78 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2330,6 +2330,8 @@ int tcp_disconnect(struct sock *sk, int flags) tcp_init_send_head(sk); memset(&tp->rx_opt, 0, sizeof(tp->rx_opt)); __sk_dst_reset(sk); + dst_release(sk->sk_rx_dst); + sk->sk_rx_dst = NULL; tcp_saved_syn_free(tp); /* Clean up fastopen related fields */ @@ -2381,9 +2383,10 @@ static int tcp_repair_set_window(struct tcp_sock *tp, char __user *optbuf, int l return 0; } -static int tcp_repair_options_est(struct tcp_sock *tp, +static int tcp_repair_options_est(struct sock *sk, struct tcp_repair_opt __user *optbuf, unsigned int len) { + struct tcp_sock *tp = tcp_sk(sk); struct tcp_repair_opt opt; while (len >= sizeof(opt)) { @@ -2396,6 +2399,7 @@ static int tcp_repair_options_est(struct tcp_sock *tp, switch (opt.opt_code) { case TCPOPT_MSS: tp->rx_opt.mss_clamp = opt.opt_val; + tcp_mtup_init(sk); break; case TCPOPT_WINDOW: { @@ -2555,7 +2559,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level, if (!tp->repair) err = -EINVAL; else if (sk->sk_state == TCP_ESTABLISHED) - err = tcp_repair_options_est(tp, + err = tcp_repair_options_est(sk, (struct tcp_repair_opt __user *)optval, optlen); else diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c index 6e3c512..324c9bc 100644 --- a/net/ipv4/tcp_cong.c +++ b/net/ipv4/tcp_cong.c @@ -180,6 +180,7 @@ void tcp_init_congestion_control(struct sock *sk) { const struct inet_connection_sock *icsk = inet_csk(sk); + tcp_sk(sk)->prior_ssthresh = 0; if (icsk->icsk_ca_ops->init) icsk->icsk_ca_ops->init(sk); if (tcp_ca_needs_ecn(sk)) diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 6a4fb1e..1d2dbac 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -332,9 +332,9 @@ static void addrconf_mod_rs_timer(struct inet6_dev *idev, static void addrconf_mod_dad_work(struct inet6_ifaddr *ifp, unsigned long delay) { - if (!delayed_work_pending(&ifp->dad_work)) - in6_ifa_hold(ifp); - mod_delayed_work(addrconf_wq, &ifp->dad_work, delay); + in6_ifa_hold(ifp); + if (mod_delayed_work(addrconf_wq, &ifp->dad_work, delay)) + in6_ifa_put(ifp); } static int snmp6_alloc_dev(struct inet6_dev *idev) @@ -3369,6 +3369,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, struct net_device *dev = netdev_notifier_info_to_dev(ptr); struct netdev_notifier_changeupper_info *info; struct inet6_dev *idev = __in6_dev_get(dev); + struct net *net = dev_net(dev); int run_pending = 0; int err; @@ -3384,7 +3385,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, case NETDEV_CHANGEMTU: /* if MTU under IPV6_MIN_MTU stop IPv6 on this interface. */ if (dev->mtu < IPV6_MIN_MTU) { - addrconf_ifdown(dev, 1); + addrconf_ifdown(dev, dev != net->loopback_dev); break; } @@ -3500,7 +3501,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, * IPV6_MIN_MTU stop IPv6 on this interface. */ if (dev->mtu < IPV6_MIN_MTU) - addrconf_ifdown(dev, 1); + addrconf_ifdown(dev, dev != net->loopback_dev); } break; diff --git a/net/ipv6/calipso.c b/net/ipv6/calipso.c index 37ac9de..8d772fe 100644 --- a/net/ipv6/calipso.c +++ b/net/ipv6/calipso.c @@ -1319,7 +1319,7 @@ static int calipso_skbuff_setattr(struct sk_buff *skb, struct ipv6hdr *ip6_hdr; struct ipv6_opt_hdr *hop; unsigned char buf[CALIPSO_MAX_BUFFER]; - int len_delta, new_end, pad; + int len_delta, new_end, pad, payload; unsigned int start, end; ip6_hdr = ipv6_hdr(skb); @@ -1346,6 +1346,8 @@ static int calipso_skbuff_setattr(struct sk_buff *skb, if (ret_val < 0) return ret_val; + ip6_hdr = ipv6_hdr(skb); /* Reset as skb_cow() may have moved it */ + if (len_delta) { if (len_delta > 0) skb_push(skb, len_delta); @@ -1355,6 +1357,8 @@ static int calipso_skbuff_setattr(struct sk_buff *skb, sizeof(*ip6_hdr) + start); skb_reset_network_header(skb); ip6_hdr = ipv6_hdr(skb); + payload = ntohs(ip6_hdr->payload_len); + ip6_hdr->payload_len = htons(payload + len_delta); } hop = (struct ipv6_opt_hdr *)(ip6_hdr + 1); diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index e011122..5c786f5 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -250,8 +250,14 @@ ipv4_connected: */ err = ip6_datagram_dst_update(sk, true); - if (err) + if (err) { + /* Reset daddr and dport so that udp_v6_early_demux() + * fails to find this socket + */ + memset(&sk->sk_v6_daddr, 0, sizeof(sk->sk_v6_daddr)); + inet->inet_dport = 0; goto out; + } sk->sk_state = TCP_ESTABLISHED; sk_set_txhash(sk); diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c index d950d43..f02f131 100644 --- a/net/ipv6/esp6_offload.c +++ b/net/ipv6/esp6_offload.c @@ -30,6 +30,25 @@ #include <net/ipv6.h> #include <linux/icmpv6.h> +static __u16 esp6_nexthdr_esp_offset(struct ipv6hdr *ipv6_hdr, int nhlen) +{ + int off = sizeof(struct ipv6hdr); + struct ipv6_opt_hdr *exthdr; + + if (likely(ipv6_hdr->nexthdr == NEXTHDR_ESP)) + return offsetof(struct ipv6hdr, nexthdr); + + while (off < nhlen) { + exthdr = (void *)ipv6_hdr + off; + if (exthdr->nexthdr == NEXTHDR_ESP) + return off; + + off += ipv6_optlen(exthdr); + } + + return 0; +} + static struct sk_buff **esp6_gro_receive(struct sk_buff **head, struct sk_buff *skb) { @@ -38,6 +57,7 @@ static struct sk_buff **esp6_gro_receive(struct sk_buff **head, struct xfrm_state *x; __be32 seq; __be32 spi; + int nhoff; int err; skb_pull(skb, offset); @@ -72,6 +92,11 @@ static struct sk_buff **esp6_gro_receive(struct sk_buff **head, xo->flags |= XFRM_GRO; + nhoff = esp6_nexthdr_esp_offset(ipv6_hdr(skb), offset); + if (!nhoff) + goto out; + + IP6CB(skb)->nhoff = nhoff; XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = NULL; XFRM_SPI_SKB_CB(skb)->family = AF_INET6; XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr); diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c index eea23b5..ec849d8 100644 --- a/net/ipv6/fib6_rules.c +++ b/net/ipv6/fib6_rules.c @@ -32,7 +32,6 @@ struct fib6_rule { struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6, int flags, pol_lookup_t lookup) { - struct rt6_info *rt; struct fib_lookup_arg arg = { .lookup_ptr = lookup, .flags = FIB_LOOKUP_NOREF, @@ -44,21 +43,11 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6, fib_rules_lookup(net->ipv6.fib6_rules_ops, flowi6_to_flowi(fl6), flags, &arg); - rt = arg.result; + if (arg.result) + return arg.result; - if (!rt) { - dst_hold(&net->ipv6.ip6_null_entry->dst); - return &net->ipv6.ip6_null_entry->dst; - } - - if (rt->rt6i_flags & RTF_REJECT && - rt->dst.error == -EAGAIN) { - ip6_rt_put(rt); - rt = net->ipv6.ip6_null_entry; - dst_hold(&rt->dst); - } - - return &rt->dst; + dst_hold(&net->ipv6.ip6_null_entry->dst); + return &net->ipv6.ip6_null_entry->dst; } static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp, @@ -121,7 +110,8 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp, flp6->saddr = saddr; } err = rt->dst.error; - goto out; + if (err != -EAGAIN) + goto out; } again: ip6_rt_put(rt); diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 230b5aa..8d7b113 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -491,7 +491,7 @@ static void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info, local_bh_disable(); /* Check global sysctl_icmp_msgs_per_sec ratelimit */ - if (!icmpv6_global_allow(type)) + if (!(skb->dev->flags&IFF_LOOPBACK) && !icmpv6_global_allow(type)) goto out_bh_enable; mip6_addr_swap(skb); diff --git a/net/ipv6/ila/ila_xlat.c b/net/ipv6/ila/ila_xlat.c index 2fd5ca1..77f7f8c 100644 --- a/net/ipv6/ila/ila_xlat.c +++ b/net/ipv6/ila/ila_xlat.c @@ -62,6 +62,7 @@ static inline u32 ila_locator_hash(struct ila_locator loc) { u32 *v = (u32 *)loc.v32; + __ila_hash_secret_init(); return jhash_2words(v[0], v[1], hashrnd); } diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index d4bf2c6..e6b78ba 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -289,8 +289,7 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi6 *fl6, struct rt6_info *rt; rt = lookup(net, net->ipv6.fib6_main_tbl, fl6, flags); - if (rt->rt6i_flags & RTF_REJECT && - rt->dst.error == -EAGAIN) { + if (rt->dst.error == -EAGAIN) { ip6_rt_put(rt); rt = net->ipv6.ip6_null_entry; dst_hold(&rt->dst); diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 0c5b4caa..64eea396 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -991,13 +991,13 @@ static void ip6gre_dev_free(struct net_device *dev) dst_cache_destroy(&t->dst_cache); free_percpu(dev->tstats); - free_netdev(dev); } static void ip6gre_tunnel_setup(struct net_device *dev) { dev->netdev_ops = &ip6gre_netdev_ops; - dev->destructor = ip6gre_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = ip6gre_dev_free; dev->type = ARPHRD_IP6GRE; @@ -1148,7 +1148,7 @@ static int __net_init ip6gre_init_net(struct net *net) return 0; err_reg_dev: - ip6gre_dev_free(ign->fb_tunnel_dev); + free_netdev(ign->fb_tunnel_dev); err_alloc_dev: return err; } @@ -1300,7 +1300,8 @@ static void ip6gre_tap_setup(struct net_device *dev) ether_setup(dev); dev->netdev_ops = &ip6gre_tap_netdev_ops; - dev->destructor = ip6gre_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = ip6gre_dev_free; dev->features |= NETIF_F_NETNS_LOCAL; dev->priv_flags &= ~IFF_TX_SKB_SHARING; diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index 280268f..cdb3728 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -116,8 +116,10 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, if (udpfrag) { int err = ip6_find_1stfragopt(skb, &prevhdr); - if (err < 0) + if (err < 0) { + kfree_skb_list(segs); return ERR_PTR(err); + } fptr = (struct frag_hdr *)((u8 *)ipv6h + err); fptr->frag_off = htons(offset); if (skb->next) diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index bf8a58a..1699acb 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1390,7 +1390,7 @@ emsgsize: */ cork->length += length; - if ((((length + fragheaderlen) > mtu) || + if ((((length + (skb ? skb->len : headersize)) > mtu) || (skb && skb_is_gso(skb))) && (sk->sk_protocol == IPPROTO_UDP) && (rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) && diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 7ae6c50..8c6c3c8 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -254,7 +254,6 @@ static void ip6_dev_free(struct net_device *dev) gro_cells_destroy(&t->gro_cells); dst_cache_destroy(&t->dst_cache); free_percpu(dev->tstats); - free_netdev(dev); } static int ip6_tnl_create2(struct net_device *dev) @@ -322,7 +321,7 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct __ip6_tnl_parm *p) return t; failed_free: - ip6_dev_free(dev); + free_netdev(dev); failed: return ERR_PTR(err); } @@ -859,6 +858,8 @@ static int __ip6_tnl_rcv(struct ip6_tnl *tunnel, struct sk_buff *skb, return 0; drop: + if (tun_dst) + dst_release((struct dst_entry *)tun_dst); kfree_skb(skb); return 0; } @@ -1095,6 +1096,9 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield, if (!dst) { route_lookup: + /* add dsfield to flowlabel for route lookup */ + fl6->flowlabel = ip6_make_flowinfo(dsfield, fl6->flowlabel); + dst = ip6_route_output(net, NULL, fl6); if (dst->error) @@ -1244,7 +1248,7 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) fl6.flowi6_proto = IPPROTO_IPIP; fl6.daddr = key->u.ipv6.dst; fl6.flowlabel = key->label; - dsfield = ip6_tclass(key->label); + dsfield = key->tos; } else { if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT)) encap_limit = t->parms.encap_limit; @@ -1315,7 +1319,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) fl6.flowi6_proto = IPPROTO_IPV6; fl6.daddr = key->u.ipv6.dst; fl6.flowlabel = key->label; - dsfield = ip6_tclass(key->label); + dsfield = key->tos; } else { offset = ip6_tnl_parse_tlv_enc_lim(skb, skb_network_header(skb)); /* ip6_tnl_parse_tlv_enc_lim() might have reallocated skb->head */ @@ -1774,7 +1778,8 @@ static const struct net_device_ops ip6_tnl_netdev_ops = { static void ip6_tnl_dev_setup(struct net_device *dev) { dev->netdev_ops = &ip6_tnl_netdev_ops; - dev->destructor = ip6_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = ip6_dev_free; dev->type = ARPHRD_TUNNEL6; dev->flags |= IFF_NOARP; @@ -2221,7 +2226,7 @@ static int __net_init ip6_tnl_init_net(struct net *net) return 0; err_register: - ip6_dev_free(ip6n->fb_tnl_dev); + free_netdev(ip6n->fb_tnl_dev); err_alloc_dev: return err; } diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index d67ef56..837ea1e 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -180,7 +180,6 @@ vti6_tnl_unlink(struct vti6_net *ip6n, struct ip6_tnl *t) static void vti6_dev_free(struct net_device *dev) { free_percpu(dev->tstats); - free_netdev(dev); } static int vti6_tnl_create2(struct net_device *dev) @@ -235,7 +234,7 @@ static struct ip6_tnl *vti6_tnl_create(struct net *net, struct __ip6_tnl_parm *p return t; failed_free: - vti6_dev_free(dev); + free_netdev(dev); failed: return NULL; } @@ -842,7 +841,8 @@ static const struct net_device_ops vti6_netdev_ops = { static void vti6_dev_setup(struct net_device *dev) { dev->netdev_ops = &vti6_netdev_ops; - dev->destructor = vti6_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = vti6_dev_free; dev->type = ARPHRD_TUNNEL6; dev->hard_header_len = LL_MAX_HEADER + sizeof(struct ipv6hdr); @@ -1100,7 +1100,7 @@ static int __net_init vti6_init_net(struct net *net) return 0; err_register: - vti6_dev_free(ip6n->fb_tnl_dev); + free_netdev(ip6n->fb_tnl_dev); err_alloc_dev: return err; } diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 374997d..2ecb39b 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -733,7 +733,7 @@ static void reg_vif_setup(struct net_device *dev) dev->mtu = 1500 - sizeof(struct ipv6hdr) - 8; dev->flags = IFF_NOARP; dev->netdev_ops = ®_vif_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->features |= NETIF_F_NETNS_LOCAL; } diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c index 9b522fa..ac826dd 100644 --- a/net/ipv6/ping.c +++ b/net/ipv6/ping.c @@ -192,7 +192,7 @@ static struct inet_protosw pingv6_protosw = { .type = SOCK_DGRAM, .protocol = IPPROTO_ICMPV6, .prot = &pingv6_prot, - .ops = &inet6_dgram_ops, + .ops = &inet6_sockraw_ops, .flags = INET_PROTOSW_REUSE, }; diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c index cc8e3ae..e88bcb8 100644 --- a/net/ipv6/proc.c +++ b/net/ipv6/proc.c @@ -219,7 +219,7 @@ static void snmp6_seq_show_item64(struct seq_file *seq, void __percpu *mib, u64 buff64[SNMP_MIB_MAX]; int i; - memset(buff64, 0, sizeof(unsigned long) * SNMP_MIB_MAX); + memset(buff64, 0, sizeof(u64) * SNMP_MIB_MAX); snmp_get_cpu_field64_batch(buff64, itemlist, mib, syncpoff); for (i = 0; itemlist[i].name; i++) diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 1f992d9..60be012 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -1338,7 +1338,7 @@ void raw6_proc_exit(void) #endif /* CONFIG_PROC_FS */ /* Same as inet6_dgram_ops, sans udp_poll. */ -static const struct proto_ops inet6_sockraw_ops = { +const struct proto_ops inet6_sockraw_ops = { .family = PF_INET6, .owner = THIS_MODULE, .release = inet6_release, diff --git a/net/ipv6/route.c b/net/ipv6/route.c index dc61b0b..322bd62 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -2804,6 +2804,7 @@ static int fib6_ifdown(struct rt6_info *rt, void *arg) if ((rt->dst.dev == dev || !dev) && rt != adn->net->ipv6.ip6_null_entry && (rt->rt6i_nsiblings == 0 || + (dev && netdev_unregistering(dev)) || !rt->rt6i_idev->cnf.ignore_routes_with_linkdown)) return -1; @@ -3721,7 +3722,11 @@ static int ip6_route_dev_notify(struct notifier_block *this, net->ipv6.ip6_blk_hole_entry->dst.dev = dev; net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev); #endif - } else if (event == NETDEV_UNREGISTER) { + } else if (event == NETDEV_UNREGISTER && + dev->reg_state != NETREG_UNREGISTERED) { + /* NETDEV_UNREGISTER could be fired for multiple times by + * netdev_wait_allrefs(). Make sure we only call this once. + */ in6_dev_put(net->ipv6.ip6_null_entry->rt6i_idev); #ifdef CONFIG_IPV6_MULTIPLE_TABLES in6_dev_put(net->ipv6.ip6_prohibit_entry->rt6i_idev); diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 61e5902..f8ad158 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -265,7 +265,7 @@ static struct ip_tunnel *ipip6_tunnel_locate(struct net *net, return nt; failed_free: - ipip6_dev_free(dev); + free_netdev(dev); failed: return NULL; } @@ -305,7 +305,7 @@ static int ipip6_tunnel_get_prl(struct ip_tunnel *t, * we try harder to allocate. */ kp = (cmax <= 1 || capable(CAP_NET_ADMIN)) ? - kcalloc(cmax, sizeof(*kp), GFP_KERNEL) : + kcalloc(cmax, sizeof(*kp), GFP_KERNEL | __GFP_NOWARN) : NULL; rcu_read_lock(); @@ -1336,7 +1336,6 @@ static void ipip6_dev_free(struct net_device *dev) dst_cache_destroy(&tunnel->dst_cache); free_percpu(dev->tstats); - free_netdev(dev); } #define SIT_FEATURES (NETIF_F_SG | \ @@ -1351,7 +1350,8 @@ static void ipip6_tunnel_setup(struct net_device *dev) int t_hlen = tunnel->hlen + sizeof(struct iphdr); dev->netdev_ops = &ipip6_netdev_ops; - dev->destructor = ipip6_dev_free; + dev->needs_free_netdev = true; + dev->priv_destructor = ipip6_dev_free; dev->type = ARPHRD_SIT; dev->hard_header_len = LL_MAX_HEADER + t_hlen; diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 06ec39b..75703fd 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -879,7 +879,8 @@ static struct sock *__udp6_lib_demux_lookup(struct net *net, struct sock *sk; udp_portaddr_for_each_entry_rcu(sk, &hslot2->head) { - if (INET6_MATCH(sk, net, rmt_addr, loc_addr, ports, dif)) + if (sk->sk_state == TCP_ESTABLISHED && + INET6_MATCH(sk, net, rmt_addr, loc_addr, ports, dif)) return sk; /* Only check first socket in chain */ break; diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c index 08a807b..3ef5d91 100644 --- a/net/ipv6/xfrm6_input.c +++ b/net/ipv6/xfrm6_input.c @@ -43,8 +43,8 @@ int xfrm6_transport_finish(struct sk_buff *skb, int async) return 1; #endif - ipv6_hdr(skb)->payload_len = htons(skb->len); __skb_push(skb, skb->data - skb_network_header(skb)); + ipv6_hdr(skb)->payload_len = htons(skb->len - sizeof(struct ipv6hdr)); if (xo && (xo->flags & XFRM_GRO)) { skb_mac_header_rebuild(skb); diff --git a/net/ipv6/xfrm6_mode_ro.c b/net/ipv6/xfrm6_mode_ro.c index 0e01590..07d3657 100644 --- a/net/ipv6/xfrm6_mode_ro.c +++ b/net/ipv6/xfrm6_mode_ro.c @@ -47,6 +47,8 @@ static int xfrm6_ro_output(struct xfrm_state *x, struct sk_buff *skb) iph = ipv6_hdr(skb); hdr_len = x->type->hdr_offset(x, skb, &prevhdr); + if (hdr_len < 0) + return hdr_len; skb_set_mac_header(skb, (prevhdr - x->props.header_len) - skb->data); skb_set_network_header(skb, -x->props.header_len); skb->transport_header = skb->network_header + hdr_len; diff --git a/net/ipv6/xfrm6_mode_transport.c b/net/ipv6/xfrm6_mode_transport.c index 7a92c0f..9ad07a9 100644 --- a/net/ipv6/xfrm6_mode_transport.c +++ b/net/ipv6/xfrm6_mode_transport.c @@ -30,6 +30,8 @@ static int xfrm6_transport_output(struct xfrm_state *x, struct sk_buff *skb) skb_set_inner_transport_header(skb, skb_transport_offset(skb)); hdr_len = x->type->hdr_offset(x, skb, &prevhdr); + if (hdr_len < 0) + return hdr_len; skb_set_mac_header(skb, (prevhdr - x->props.header_len) - skb->data); skb_set_network_header(skb, -x->props.header_len); skb->transport_header = skb->network_header + hdr_len; diff --git a/net/irda/irlan/irlan_eth.c b/net/irda/irlan/irlan_eth.c index 74d09f9..3be8528 100644 --- a/net/irda/irlan/irlan_eth.c +++ b/net/irda/irlan/irlan_eth.c @@ -65,7 +65,7 @@ static void irlan_eth_setup(struct net_device *dev) ether_setup(dev); dev->netdev_ops = &irlan_eth_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; dev->min_mtu = 0; dev->max_mtu = ETH_MAX_MTU; diff --git a/net/key/af_key.c b/net/key/af_key.c index 512dc43..b1432b6 100644 --- a/net/key/af_key.c +++ b/net/key/af_key.c @@ -1157,6 +1157,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net, goto out; } + err = -ENOBUFS; key = ext_hdrs[SADB_EXT_KEY_AUTH - 1]; if (sa->sadb_sa_auth) { int keysize = 0; @@ -1168,8 +1169,10 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net, if (key) keysize = (key->sadb_key_bits + 7) / 8; x->aalg = kmalloc(sizeof(*x->aalg) + keysize, GFP_KERNEL); - if (!x->aalg) + if (!x->aalg) { + err = -ENOMEM; goto out; + } strcpy(x->aalg->alg_name, a->name); x->aalg->alg_key_len = 0; if (key) { @@ -1188,8 +1191,10 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net, goto out; } x->calg = kmalloc(sizeof(*x->calg), GFP_KERNEL); - if (!x->calg) + if (!x->calg) { + err = -ENOMEM; goto out; + } strcpy(x->calg->alg_name, a->name); x->props.calgo = sa->sadb_sa_encrypt; } else { @@ -1203,8 +1208,10 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net, if (key) keysize = (key->sadb_key_bits + 7) / 8; x->ealg = kmalloc(sizeof(*x->ealg) + keysize, GFP_KERNEL); - if (!x->ealg) + if (!x->ealg) { + err = -ENOMEM; goto out; + } strcpy(x->ealg->alg_name, a->name); x->ealg->alg_key_len = 0; if (key) { @@ -1249,8 +1256,10 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net, struct xfrm_encap_tmpl *natt; x->encap = kmalloc(sizeof(*x->encap), GFP_KERNEL); - if (!x->encap) + if (!x->encap) { + err = -ENOMEM; goto out; + } natt = x->encap; n_type = ext_hdrs[SADB_X_EXT_NAT_T_TYPE-1]; @@ -2755,6 +2764,8 @@ static int pfkey_spdflush(struct sock *sk, struct sk_buff *skb, const struct sad int err, err2; err = xfrm_policy_flush(net, XFRM_POLICY_TYPE_MAIN, true); + if (!err) + xfrm_garbage_collect(net); err2 = unicast_flush_resp(sk, hdr); if (err || err2) { if (err == -ESRCH) /* empty table - old silent behavior */ diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c index 8b21af7..4de2ec9 100644 --- a/net/l2tp/l2tp_eth.c +++ b/net/l2tp/l2tp_eth.c @@ -114,12 +114,13 @@ static void l2tp_eth_get_stats64(struct net_device *dev, { struct l2tp_eth *priv = netdev_priv(dev); - stats->tx_bytes = atomic_long_read(&priv->tx_bytes); - stats->tx_packets = atomic_long_read(&priv->tx_packets); - stats->tx_dropped = atomic_long_read(&priv->tx_dropped); - stats->rx_bytes = atomic_long_read(&priv->rx_bytes); - stats->rx_packets = atomic_long_read(&priv->rx_packets); - stats->rx_errors = atomic_long_read(&priv->rx_errors); + stats->tx_bytes = (unsigned long) atomic_long_read(&priv->tx_bytes); + stats->tx_packets = (unsigned long) atomic_long_read(&priv->tx_packets); + stats->tx_dropped = (unsigned long) atomic_long_read(&priv->tx_dropped); + stats->rx_bytes = (unsigned long) atomic_long_read(&priv->rx_bytes); + stats->rx_packets = (unsigned long) atomic_long_read(&priv->rx_packets); + stats->rx_errors = (unsigned long) atomic_long_read(&priv->rx_errors); + } static const struct net_device_ops l2tp_eth_netdev_ops = { @@ -141,7 +142,7 @@ static void l2tp_eth_dev_setup(struct net_device *dev) dev->priv_flags &= ~IFF_TX_SKB_SHARING; dev->features |= NETIF_F_LLTX; dev->netdev_ops = &l2tp_eth_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; } static void l2tp_eth_dev_recv(struct l2tp_session *session, struct sk_buff *skb, int data_len) diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 60e2a62..cf2392b2 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -7,7 +7,7 @@ * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> * Copyright 2007, Michael Wu <flamingice@sourmilk.net> * Copyright 2007-2010, Intel Corporation - * Copyright(c) 2015 Intel Deutschland GmbH + * Copyright(c) 2015-2017 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -741,46 +741,43 @@ static void ieee80211_agg_tx_operational(struct ieee80211_local *local, ieee80211_agg_start_txq(sta, tid, true); } -void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid) +void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid, + struct tid_ampdu_tx *tid_tx) { - struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); + struct ieee80211_sub_if_data *sdata = sta->sdata; struct ieee80211_local *local = sdata->local; - struct sta_info *sta; - struct tid_ampdu_tx *tid_tx; - trace_api_start_tx_ba_cb(sdata, ra, tid); + if (WARN_ON(test_and_set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state))) + return; + + if (test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state)) + ieee80211_agg_tx_operational(local, sta, tid); +} + +static struct tid_ampdu_tx * +ieee80211_lookup_tid_tx(struct ieee80211_sub_if_data *sdata, + const u8 *ra, u16 tid, struct sta_info **sta) +{ + struct tid_ampdu_tx *tid_tx; if (tid >= IEEE80211_NUM_TIDS) { ht_dbg(sdata, "Bad TID value: tid = %d (>= %d)\n", tid, IEEE80211_NUM_TIDS); - return; + return NULL; } - mutex_lock(&local->sta_mtx); - sta = sta_info_get_bss(sdata, ra); - if (!sta) { - mutex_unlock(&local->sta_mtx); + *sta = sta_info_get_bss(sdata, ra); + if (!*sta) { ht_dbg(sdata, "Could not find station: %pM\n", ra); - return; + return NULL; } - mutex_lock(&sta->ampdu_mlme.mtx); - tid_tx = rcu_dereference_protected_tid_tx(sta, tid); + tid_tx = rcu_dereference((*sta)->ampdu_mlme.tid_tx[tid]); - if (WARN_ON(!tid_tx)) { + if (WARN_ON(!tid_tx)) ht_dbg(sdata, "addBA was not requested!\n"); - goto unlock; - } - if (WARN_ON(test_and_set_bit(HT_AGG_STATE_DRV_READY, &tid_tx->state))) - goto unlock; - - if (test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state)) - ieee80211_agg_tx_operational(local, sta, tid); - - unlock: - mutex_unlock(&sta->ampdu_mlme.mtx); - mutex_unlock(&local->sta_mtx); + return tid_tx; } void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, @@ -788,19 +785,20 @@ void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, { struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); struct ieee80211_local *local = sdata->local; - struct ieee80211_ra_tid *ra_tid; - struct sk_buff *skb = dev_alloc_skb(0); + struct sta_info *sta; + struct tid_ampdu_tx *tid_tx; - if (unlikely(!skb)) - return; + trace_api_start_tx_ba_cb(sdata, ra, tid); - ra_tid = (struct ieee80211_ra_tid *) &skb->cb; - memcpy(&ra_tid->ra, ra, ETH_ALEN); - ra_tid->tid = tid; + rcu_read_lock(); + tid_tx = ieee80211_lookup_tid_tx(sdata, ra, tid, &sta); + if (!tid_tx) + goto out; - skb->pkt_type = IEEE80211_SDATA_QUEUE_AGG_START; - skb_queue_tail(&sdata->skb_queue, skb); - ieee80211_queue_work(&local->hw, &sdata->work); + set_bit(HT_AGG_STATE_START_CB, &tid_tx->state); + ieee80211_queue_work(&local->hw, &sta->ampdu_mlme.work); + out: + rcu_read_unlock(); } EXPORT_SYMBOL(ieee80211_start_tx_ba_cb_irqsafe); @@ -860,37 +858,18 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid) } EXPORT_SYMBOL(ieee80211_stop_tx_ba_session); -void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid) +void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid, + struct tid_ampdu_tx *tid_tx) { - struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); - struct ieee80211_local *local = sdata->local; - struct sta_info *sta; - struct tid_ampdu_tx *tid_tx; + struct ieee80211_sub_if_data *sdata = sta->sdata; bool send_delba = false; - trace_api_stop_tx_ba_cb(sdata, ra, tid); - - if (tid >= IEEE80211_NUM_TIDS) { - ht_dbg(sdata, "Bad TID value: tid = %d (>= %d)\n", - tid, IEEE80211_NUM_TIDS); - return; - } - - ht_dbg(sdata, "Stopping Tx BA session for %pM tid %d\n", ra, tid); - - mutex_lock(&local->sta_mtx); - - sta = sta_info_get_bss(sdata, ra); - if (!sta) { - ht_dbg(sdata, "Could not find station: %pM\n", ra); - goto unlock; - } + ht_dbg(sdata, "Stopping Tx BA session for %pM tid %d\n", + sta->sta.addr, tid); - mutex_lock(&sta->ampdu_mlme.mtx); spin_lock_bh(&sta->lock); - tid_tx = rcu_dereference_protected_tid_tx(sta, tid); - if (!tid_tx || !test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { + if (!test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { ht_dbg(sdata, "unexpected callback to A-MPDU stop for %pM tid %d\n", sta->sta.addr, tid); @@ -906,12 +885,8 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid) spin_unlock_bh(&sta->lock); if (send_delba) - ieee80211_send_delba(sdata, ra, tid, + ieee80211_send_delba(sdata, sta->sta.addr, tid, WLAN_BACK_INITIATOR, WLAN_REASON_QSTA_NOT_USE); - - mutex_unlock(&sta->ampdu_mlme.mtx); - unlock: - mutex_unlock(&local->sta_mtx); } void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, @@ -919,19 +894,20 @@ void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_vif *vif, { struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif); struct ieee80211_local *local = sdata->local; - struct ieee80211_ra_tid *ra_tid; - struct sk_buff *skb = dev_alloc_skb(0); + struct sta_info *sta; + struct tid_ampdu_tx *tid_tx; - if (unlikely(!skb)) - return; + trace_api_stop_tx_ba_cb(sdata, ra, tid); - ra_tid = (struct ieee80211_ra_tid *) &skb->cb; - memcpy(&ra_tid->ra, ra, ETH_ALEN); - ra_tid->tid = tid; + rcu_read_lock(); + tid_tx = ieee80211_lookup_tid_tx(sdata, ra, tid, &sta); + if (!tid_tx) + goto out; - skb->pkt_type = IEEE80211_SDATA_QUEUE_AGG_STOP; - skb_queue_tail(&sdata->skb_queue, skb); - ieee80211_queue_work(&local->hw, &sdata->work); + set_bit(HT_AGG_STATE_STOP_CB, &tid_tx->state); + ieee80211_queue_work(&local->hw, &sta->ampdu_mlme.work); + out: + rcu_read_unlock(); } EXPORT_SYMBOL(ieee80211_stop_tx_ba_cb_irqsafe); diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 6c2e606..4a388fe 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -902,6 +902,8 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev, default: return -EINVAL; } + sdata->u.ap.req_smps = sdata->smps_mode; + sdata->needed_rx_chains = sdata->local->rx_chains; sdata->vif.bss_conf.beacon_int = params->beacon_interval; diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c index f4a5287..6ca5442 100644 --- a/net/mac80211/ht.c +++ b/net/mac80211/ht.c @@ -7,6 +7,7 @@ * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> * Copyright 2007, Michael Wu <flamingice@sourmilk.net> * Copyright 2007-2010, Intel Corporation + * Copyright 2017 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -289,8 +290,6 @@ void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, { int i; - cancel_work_sync(&sta->ampdu_mlme.work); - for (i = 0; i < IEEE80211_NUM_TIDS; i++) { __ieee80211_stop_tx_ba_session(sta, i, reason); __ieee80211_stop_rx_ba_session(sta, i, WLAN_BACK_RECIPIENT, @@ -298,6 +297,9 @@ void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, reason != AGG_STOP_DESTROY_STA && reason != AGG_STOP_PEER_REQUEST); } + + /* stopping might queue the work again - so cancel only afterwards */ + cancel_work_sync(&sta->ampdu_mlme.work); } void ieee80211_ba_session_work(struct work_struct *work) @@ -352,10 +354,16 @@ void ieee80211_ba_session_work(struct work_struct *work) spin_unlock_bh(&sta->lock); tid_tx = rcu_dereference_protected_tid_tx(sta, tid); - if (tid_tx && test_and_clear_bit(HT_AGG_STATE_WANT_STOP, - &tid_tx->state)) + if (!tid_tx) + continue; + + if (test_and_clear_bit(HT_AGG_STATE_START_CB, &tid_tx->state)) + ieee80211_start_tx_ba_cb(sta, tid, tid_tx); + if (test_and_clear_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state)) ___ieee80211_stop_tx_ba_session(sta, tid, AGG_STOP_LOCAL_REQUEST); + if (test_and_clear_bit(HT_AGG_STATE_STOP_CB, &tid_tx->state)) + ieee80211_stop_tx_ba_cb(sta, tid, tid_tx); } mutex_unlock(&sta->ampdu_mlme.mtx); } diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index f8f6c14..5e002f6 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1036,8 +1036,6 @@ struct ieee80211_rx_agg { enum sdata_queue_type { IEEE80211_SDATA_QUEUE_TYPE_FRAME = 0, - IEEE80211_SDATA_QUEUE_AGG_START = 1, - IEEE80211_SDATA_QUEUE_AGG_STOP = 2, IEEE80211_SDATA_QUEUE_RX_AGG_START = 3, IEEE80211_SDATA_QUEUE_RX_AGG_STOP = 4, }; @@ -1427,12 +1425,6 @@ ieee80211_get_sband(struct ieee80211_sub_if_data *sdata) return local->hw.wiphy->bands[band]; } -/* this struct represents 802.11n's RA/TID combination */ -struct ieee80211_ra_tid { - u8 ra[ETH_ALEN]; - u16 tid; -}; - /* this struct holds the value parsing from channel switch IE */ struct ieee80211_csa_ie { struct cfg80211_chan_def chandef; @@ -1539,7 +1531,7 @@ ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status) return true; /* can't handle non-legacy preamble yet */ if (status->flag & RX_FLAG_MACTIME_PLCP_START && - status->encoding != RX_ENC_LEGACY) + status->encoding == RX_ENC_LEGACY) return true; return false; } @@ -1794,8 +1786,10 @@ int __ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, enum ieee80211_agg_stop_reason reason); int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, enum ieee80211_agg_stop_reason reason); -void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid); -void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid); +void ieee80211_start_tx_ba_cb(struct sta_info *sta, int tid, + struct tid_ampdu_tx *tid_tx); +void ieee80211_stop_tx_ba_cb(struct sta_info *sta, int tid, + struct tid_ampdu_tx *tid_tx); void ieee80211_ba_session_work(struct work_struct *work); void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid); void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 3bd5b81..f5f5015 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1213,7 +1213,6 @@ static const struct net_device_ops ieee80211_monitorif_ops = { static void ieee80211_if_free(struct net_device *dev) { free_percpu(dev->tstats); - free_netdev(dev); } static void ieee80211_if_setup(struct net_device *dev) @@ -1221,7 +1220,8 @@ static void ieee80211_if_setup(struct net_device *dev) ether_setup(dev); dev->priv_flags &= ~IFF_TX_SKB_SHARING; dev->netdev_ops = &ieee80211_dataif_ops; - dev->destructor = ieee80211_if_free; + dev->needs_free_netdev = true; + dev->priv_destructor = ieee80211_if_free; } static void ieee80211_if_setup_no_queue(struct net_device *dev) @@ -1237,7 +1237,6 @@ static void ieee80211_iface_work(struct work_struct *work) struct ieee80211_local *local = sdata->local; struct sk_buff *skb; struct sta_info *sta; - struct ieee80211_ra_tid *ra_tid; struct ieee80211_rx_agg *rx_agg; if (!ieee80211_sdata_running(sdata)) @@ -1253,15 +1252,7 @@ static void ieee80211_iface_work(struct work_struct *work) while ((skb = skb_dequeue(&sdata->skb_queue))) { struct ieee80211_mgmt *mgmt = (void *)skb->data; - if (skb->pkt_type == IEEE80211_SDATA_QUEUE_AGG_START) { - ra_tid = (void *)&skb->cb; - ieee80211_start_tx_ba_cb(&sdata->vif, ra_tid->ra, - ra_tid->tid); - } else if (skb->pkt_type == IEEE80211_SDATA_QUEUE_AGG_STOP) { - ra_tid = (void *)&skb->cb; - ieee80211_stop_tx_ba_cb(&sdata->vif, ra_tid->ra, - ra_tid->tid); - } else if (skb->pkt_type == IEEE80211_SDATA_QUEUE_RX_AGG_START) { + if (skb->pkt_type == IEEE80211_SDATA_QUEUE_RX_AGG_START) { rx_agg = (void *)&skb->cb; mutex_lock(&local->sta_mtx); sta = sta_info_get_bss(sdata, rx_agg->addr); @@ -1825,6 +1816,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, ret = dev_alloc_name(ndev, ndev->name); if (ret < 0) { ieee80211_if_free(ndev); + free_netdev(ndev); return ret; } @@ -1914,7 +1906,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, ret = register_netdevice(ndev); if (ret) { - ieee80211_if_free(ndev); + free_netdev(ndev); return ret; } } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 0ea9712..cc8e6ea 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -601,7 +601,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) struct ieee80211_supported_band *sband; struct ieee80211_chanctx_conf *chanctx_conf; struct ieee80211_channel *chan; - u32 rate_flags, rates = 0; + u32 rates = 0; sdata_assert_lock(sdata); @@ -612,7 +612,6 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) return; } chan = chanctx_conf->def.chan; - rate_flags = ieee80211_chandef_rate_flags(&chanctx_conf->def); rcu_read_unlock(); sband = local->hw.wiphy->bands[chan->band]; shift = ieee80211_vif_get_shift(&sdata->vif); @@ -636,9 +635,6 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata) */ rates_len = 0; for (i = 0; i < sband->n_bitrates; i++) { - if ((rate_flags & sband->bitrates[i].flags) - != rate_flags) - continue; rates |= BIT(i); rates_len++; } @@ -2818,7 +2814,7 @@ static void ieee80211_get_rates(struct ieee80211_supported_band *sband, u32 *rates, u32 *basic_rates, bool *have_higher_than_11mbit, int *min_rate, int *min_rate_index, - int shift, u32 rate_flags) + int shift) { int i, j; @@ -2846,8 +2842,6 @@ static void ieee80211_get_rates(struct ieee80211_supported_band *sband, int brate; br = &sband->bitrates[j]; - if ((rate_flags & br->flags) != rate_flags) - continue; brate = DIV_ROUND_UP(br->bitrate, (1 << shift) * 5); if (brate == rate) { @@ -4398,40 +4392,32 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, return -ENOMEM; } - if (new_sta || override) { - err = ieee80211_prep_channel(sdata, cbss); - if (err) { - if (new_sta) - sta_info_free(local, new_sta); - return -EINVAL; - } - } - + /* + * Set up the information for the new channel before setting the + * new channel. We can't - completely race-free - change the basic + * rates bitmap and the channel (sband) that it refers to, but if + * we set it up before we at least avoid calling into the driver's + * bss_info_changed() method with invalid information (since we do + * call that from changing the channel - only for IDLE and perhaps + * some others, but ...). + * + * So to avoid that, just set up all the new information before the + * channel, but tell the driver to apply it only afterwards, since + * it might need the new channel for that. + */ if (new_sta) { u32 rates = 0, basic_rates = 0; bool have_higher_than_11mbit; int min_rate = INT_MAX, min_rate_index = -1; - struct ieee80211_chanctx_conf *chanctx_conf; const struct cfg80211_bss_ies *ies; int shift = ieee80211_vif_get_shift(&sdata->vif); - u32 rate_flags; - - rcu_read_lock(); - chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); - if (WARN_ON(!chanctx_conf)) { - rcu_read_unlock(); - sta_info_free(local, new_sta); - return -EINVAL; - } - rate_flags = ieee80211_chandef_rate_flags(&chanctx_conf->def); - rcu_read_unlock(); ieee80211_get_rates(sband, bss->supp_rates, bss->supp_rates_len, &rates, &basic_rates, &have_higher_than_11mbit, &min_rate, &min_rate_index, - shift, rate_flags); + shift); /* * This used to be a workaround for basic rates missing @@ -4489,8 +4475,22 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, sdata->vif.bss_conf.sync_dtim_count = 0; } rcu_read_unlock(); + } - /* tell driver about BSSID, basic rates and timing */ + if (new_sta || override) { + err = ieee80211_prep_channel(sdata, cbss); + if (err) { + if (new_sta) + sta_info_free(local, new_sta); + return -EINVAL; + } + } + + if (new_sta) { + /* + * tell driver about BSSID, basic rates and timing + * this was set up above, before setting the channel + */ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BSSID | BSS_CHANGED_BASIC_RATES | BSS_CHANGED_BEACON_INT); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 1f75280..3674fe3 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1613,12 +1613,16 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx) */ if (!ieee80211_hw_check(&sta->local->hw, AP_LINK_PS) && !ieee80211_has_morefrags(hdr->frame_control) && + !ieee80211_is_back_req(hdr->frame_control) && !(status->rx_flags & IEEE80211_RX_DEFERRED_RELEASE) && (rx->sdata->vif.type == NL80211_IFTYPE_AP || rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN) && - /* PM bit is only checked in frames where it isn't reserved, + /* + * PM bit is only checked in frames where it isn't reserved, * in AP mode it's reserved in non-bufferable management frames * (cf. IEEE 802.11-2012 8.2.4.1.7 Power Management field) + * BAR frames should be ignored as specified in + * IEEE 802.11-2012 10.2.1.2. */ (!ieee80211_is_mgmt(hdr->frame_control) || ieee80211_is_bufferable_mmpdu(hdr->frame_control))) { diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 7cdf7a8..403e3cc 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -2155,7 +2155,7 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) struct ieee80211_sta_rx_stats *cpurxs; cpurxs = per_cpu_ptr(sta->pcpu_rx_stats, cpu); - sinfo->rx_packets += cpurxs->dropped; + sinfo->rx_dropped_misc += cpurxs->dropped; } } diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h index 5609cac..ea0747d 100644 --- a/net/mac80211/sta_info.h +++ b/net/mac80211/sta_info.h @@ -116,6 +116,8 @@ enum ieee80211_sta_info_flags { #define HT_AGG_STATE_STOPPING 3 #define HT_AGG_STATE_WANT_START 4 #define HT_AGG_STATE_WANT_STOP 5 +#define HT_AGG_STATE_START_CB 6 +#define HT_AGG_STATE_STOP_CB 7 enum ieee80211_agg_stop_reason { AGG_STOP_DECLINED, diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index c1ef22d..cc19614 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -17,6 +17,7 @@ #include <asm/unaligned.h> #include <net/mac80211.h> #include <crypto/aes.h> +#include <crypto/algapi.h> #include "ieee80211_i.h" #include "michael.h" @@ -153,7 +154,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx) data_len = skb->len - hdrlen - MICHAEL_MIC_LEN; key = &rx->key->conf.key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY]; michael_mic(key, hdr, data, data_len, mic); - if (memcmp(mic, data + data_len, MICHAEL_MIC_LEN) != 0) + if (crypto_memneq(mic, data + data_len, MICHAEL_MIC_LEN)) goto mic_fail; /* remove Michael MIC from payload */ @@ -1048,7 +1049,7 @@ ieee80211_crypto_aes_cmac_decrypt(struct ieee80211_rx_data *rx) bip_aad(skb, aad); ieee80211_aes_cmac(key->u.aes_cmac.tfm, aad, skb->data + 24, skb->len - 24, mic); - if (memcmp(mic, mmie->mic, sizeof(mmie->mic)) != 0) { + if (crypto_memneq(mic, mmie->mic, sizeof(mmie->mic))) { key->u.aes_cmac.icverrors++; return RX_DROP_UNUSABLE; } @@ -1098,7 +1099,7 @@ ieee80211_crypto_aes_cmac_256_decrypt(struct ieee80211_rx_data *rx) bip_aad(skb, aad); ieee80211_aes_cmac_256(key->u.aes_cmac.tfm, aad, skb->data + 24, skb->len - 24, mic); - if (memcmp(mic, mmie->mic, sizeof(mmie->mic)) != 0) { + if (crypto_memneq(mic, mmie->mic, sizeof(mmie->mic))) { key->u.aes_cmac.icverrors++; return RX_DROP_UNUSABLE; } @@ -1202,7 +1203,7 @@ ieee80211_crypto_aes_gmac_decrypt(struct ieee80211_rx_data *rx) if (ieee80211_aes_gmac(key->u.aes_gmac.tfm, aad, nonce, skb->data + 24, skb->len - 24, mic) < 0 || - memcmp(mic, mmie->mic, sizeof(mmie->mic)) != 0) { + crypto_memneq(mic, mmie->mic, sizeof(mmie->mic))) { key->u.aes_gmac.icverrors++; return RX_DROP_UNUSABLE; } diff --git a/net/mac802154/iface.c b/net/mac802154/iface.c index 06019db..bd88a9b 100644 --- a/net/mac802154/iface.c +++ b/net/mac802154/iface.c @@ -526,8 +526,6 @@ static void mac802154_wpan_free(struct net_device *dev) struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev); mac802154_llsec_destroy(&sdata->sec); - - free_netdev(dev); } static void ieee802154_if_setup(struct net_device *dev) @@ -593,7 +591,8 @@ ieee802154_setup_sdata(struct ieee802154_sub_if_data *sdata, sdata->dev->dev_addr); sdata->dev->header_ops = &mac802154_header_ops; - sdata->dev->destructor = mac802154_wpan_free; + sdata->dev->needs_free_netdev = true; + sdata->dev->priv_destructor = mac802154_wpan_free; sdata->dev->netdev_ops = &mac802154_wpan_ops; sdata->dev->ml_priv = &mac802154_mlme_wpan; wpan_dev->promiscuous_mode = false; @@ -608,7 +607,7 @@ ieee802154_setup_sdata(struct ieee802154_sub_if_data *sdata, break; case NL802154_IFTYPE_MONITOR: - sdata->dev->destructor = free_netdev; + sdata->dev->needs_free_netdev = true; sdata->dev->netdev_ops = &mac802154_monitor_ops; wpan_dev->promiscuous_mode = true; break; diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index 257ec66..7b05fd1 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -1418,7 +1418,7 @@ static void mpls_ifup(struct net_device *dev, unsigned int flags) continue; alive++; nh_flags &= ~flags; - WRITE_ONCE(nh->nh_flags, flags); + WRITE_ONCE(nh->nh_flags, nh_flags); } endfor_nexthops(rt); WRITE_ONCE(rt->rt_nhn_alive, alive); diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 9799a50..a8be9b7 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -890,8 +890,13 @@ restart: } out: local_bh_enable(); - if (last) + if (last) { + /* nf ct hash resize happened, now clear the leftover. */ + if ((struct nf_conn *)cb->args[1] == last) + cb->args[1] = 0; + nf_ct_put(last); + } while (i) { i--; diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c index 13875d5..1c5b14a 100644 --- a/net/netfilter/nf_conntrack_proto_sctp.c +++ b/net/netfilter/nf_conntrack_proto_sctp.c @@ -512,16 +512,19 @@ static int sctp_error(struct net *net, struct nf_conn *tpl, struct sk_buff *skb, u8 pf, unsigned int hooknum) { const struct sctphdr *sh; - struct sctphdr _sctph; const char *logmsg; - sh = skb_header_pointer(skb, dataoff, sizeof(_sctph), &_sctph); - if (!sh) { + if (skb->len < dataoff + sizeof(struct sctphdr)) { logmsg = "nf_ct_sctp: short packet "; goto out_invalid; } if (net->ct.sysctl_checksum && hooknum == NF_INET_PRE_ROUTING && skb->ip_summed == CHECKSUM_NONE) { + if (!skb_make_writable(skb, dataoff + sizeof(struct sctphdr))) { + logmsg = "nf_ct_sctp: failed to read header "; + goto out_invalid; + } + sh = (const struct sctphdr *)(skb->data + dataoff); if (sh->checksum != sctp_compute_cksum(skb, dataoff)) { logmsg = "nf_ct_sctp: bad CRC "; goto out_invalid; diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index ef0be32..6c72922 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -566,7 +566,7 @@ static int nf_nat_proto_clean(struct nf_conn *ct, void *data) * Else, when the conntrack is destoyed, nf_nat_cleanup_conntrack() * will delete entry from already-freed table. */ - ct->status &= ~IPS_NAT_DONE_MASK; + clear_bit(IPS_SRC_NAT_DONE_BIT, &ct->status); rhltable_remove(&nf_nat_bysource_table, &ct->nat_bysource, nf_nat_bysource_params); diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c index e97e2fb..fbdbaa0 100644 --- a/net/netfilter/nft_set_rbtree.c +++ b/net/netfilter/nft_set_rbtree.c @@ -116,17 +116,17 @@ static int __nft_rbtree_insert(const struct net *net, const struct nft_set *set, else if (d > 0) p = &parent->rb_right; else { - if (nft_set_elem_active(&rbe->ext, genmask)) { - if (nft_rbtree_interval_end(rbe) && - !nft_rbtree_interval_end(new)) - p = &parent->rb_left; - else if (!nft_rbtree_interval_end(rbe) && - nft_rbtree_interval_end(new)) - p = &parent->rb_right; - else { - *ext = &rbe->ext; - return -EEXIST; - } + if (nft_rbtree_interval_end(rbe) && + !nft_rbtree_interval_end(new)) { + p = &parent->rb_left; + } else if (!nft_rbtree_interval_end(rbe) && + nft_rbtree_interval_end(new)) { + p = &parent->rb_right; + } else if (nft_set_elem_active(&rbe->ext, genmask)) { + *ext = &rbe->ext; + return -EEXIST; + } else { + p = &parent->rb_left; } } } diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index ee841f0..7586d44 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -62,6 +62,7 @@ #include <asm/cacheflush.h> #include <linux/hash.h> #include <linux/genetlink.h> +#include <linux/net_namespace.h> #include <net/net_namespace.h> #include <net/sock.h> @@ -1415,7 +1416,8 @@ static void do_one_broadcast(struct sock *sk, goto out; } NETLINK_CB(p->skb2).nsid = peernet2id(sock_net(sk), p->net); - NETLINK_CB(p->skb2).nsid_is_set = true; + if (NETLINK_CB(p->skb2).nsid != NETNSA_NSID_NOT_ASSIGNED) + NETLINK_CB(p->skb2).nsid_is_set = true; val = netlink_broadcast_deliver(sk, p->skb2); if (val < 0) { netlink_overrun(sk); diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c index 89193a6..04a3128 100644 --- a/net/openvswitch/vport-internal_dev.c +++ b/net/openvswitch/vport-internal_dev.c @@ -94,7 +94,6 @@ static void internal_dev_destructor(struct net_device *dev) struct vport *vport = ovs_internal_dev_get_vport(dev); ovs_vport_free(vport); - free_netdev(dev); } static void @@ -156,7 +155,8 @@ static void do_setup(struct net_device *netdev) netdev->priv_flags &= ~IFF_TX_SKB_SHARING; netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE | IFF_OPENVSWITCH | IFF_PHONY_HEADROOM | IFF_NO_QUEUE; - netdev->destructor = internal_dev_destructor; + netdev->needs_free_netdev = true; + netdev->priv_destructor = internal_dev_destructor; netdev->ethtool_ops = &internal_dev_ethtool_ops; netdev->rtnl_link_ops = &internal_dev_link_ops; diff --git a/net/phonet/pep-gprs.c b/net/phonet/pep-gprs.c index 21c28b5..2c93379 100644 --- a/net/phonet/pep-gprs.c +++ b/net/phonet/pep-gprs.c @@ -236,7 +236,7 @@ static void gprs_setup(struct net_device *dev) dev->tx_queue_len = 10; dev->netdev_ops = &gprs_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; } /* diff --git a/net/rxrpc/key.c b/net/rxrpc/key.c index 0a4e284..5436922 100644 --- a/net/rxrpc/key.c +++ b/net/rxrpc/key.c @@ -217,7 +217,7 @@ static int rxrpc_krb5_decode_principal(struct krb5_principal *princ, unsigned int *_toklen) { const __be32 *xdr = *_xdr; - unsigned int toklen = *_toklen, n_parts, loop, tmp; + unsigned int toklen = *_toklen, n_parts, loop, tmp, paddedlen; /* there must be at least one name, and at least #names+1 length * words */ @@ -247,16 +247,16 @@ static int rxrpc_krb5_decode_principal(struct krb5_principal *princ, toklen -= 4; if (tmp <= 0 || tmp > AFSTOKEN_STRING_MAX) return -EINVAL; - if (tmp > toklen) + paddedlen = (tmp + 3) & ~3; + if (paddedlen > toklen) return -EINVAL; princ->name_parts[loop] = kmalloc(tmp + 1, GFP_KERNEL); if (!princ->name_parts[loop]) return -ENOMEM; memcpy(princ->name_parts[loop], xdr, tmp); princ->name_parts[loop][tmp] = 0; - tmp = (tmp + 3) & ~3; - toklen -= tmp; - xdr += tmp >> 2; + toklen -= paddedlen; + xdr += paddedlen >> 2; } if (toklen < 4) @@ -265,16 +265,16 @@ static int rxrpc_krb5_decode_principal(struct krb5_principal *princ, toklen -= 4; if (tmp <= 0 || tmp > AFSTOKEN_K5_REALM_MAX) return -EINVAL; - if (tmp > toklen) + paddedlen = (tmp + 3) & ~3; + if (paddedlen > toklen) return -EINVAL; princ->realm = kmalloc(tmp + 1, GFP_KERNEL); if (!princ->realm) return -ENOMEM; memcpy(princ->realm, xdr, tmp); princ->realm[tmp] = 0; - tmp = (tmp + 3) & ~3; - toklen -= tmp; - xdr += tmp >> 2; + toklen -= paddedlen; + xdr += paddedlen >> 2; _debug("%s/...@%s", princ->name_parts[0], princ->realm); @@ -293,7 +293,7 @@ static int rxrpc_krb5_decode_tagged_data(struct krb5_tagged_data *td, unsigned int *_toklen) { const __be32 *xdr = *_xdr; - unsigned int toklen = *_toklen, len; + unsigned int toklen = *_toklen, len, paddedlen; /* there must be at least one tag and one length word */ if (toklen <= 8) @@ -307,15 +307,17 @@ static int rxrpc_krb5_decode_tagged_data(struct krb5_tagged_data *td, toklen -= 8; if (len > max_data_size) return -EINVAL; + paddedlen = (len + 3) & ~3; + if (paddedlen > toklen) + return -EINVAL; td->data_len = len; if (len > 0) { td->data = kmemdup(xdr, len, GFP_KERNEL); if (!td->data) return -ENOMEM; - len = (len + 3) & ~3; - toklen -= len; - xdr += len >> 2; + toklen -= paddedlen; + xdr += paddedlen >> 2; } _debug("tag %x len %x", td->tag, td->data_len); @@ -387,7 +389,7 @@ static int rxrpc_krb5_decode_ticket(u8 **_ticket, u16 *_tktlen, const __be32 **_xdr, unsigned int *_toklen) { const __be32 *xdr = *_xdr; - unsigned int toklen = *_toklen, len; + unsigned int toklen = *_toklen, len, paddedlen; /* there must be at least one length word */ if (toklen <= 4) @@ -399,6 +401,9 @@ static int rxrpc_krb5_decode_ticket(u8 **_ticket, u16 *_tktlen, toklen -= 4; if (len > AFSTOKEN_K5_TIX_MAX) return -EINVAL; + paddedlen = (len + 3) & ~3; + if (paddedlen > toklen) + return -EINVAL; *_tktlen = len; _debug("ticket len %u", len); @@ -407,9 +412,8 @@ static int rxrpc_krb5_decode_ticket(u8 **_ticket, u16 *_tktlen, *_ticket = kmemdup(xdr, len, GFP_KERNEL); if (!*_ticket) return -ENOMEM; - len = (len + 3) & ~3; - toklen -= len; - xdr += len >> 2; + toklen -= paddedlen; + xdr += paddedlen >> 2; } *_xdr = xdr; @@ -552,7 +556,7 @@ static int rxrpc_preparse_xdr(struct key_preparsed_payload *prep) { const __be32 *xdr = prep->data, *token; const char *cp; - unsigned int len, tmp, loop, ntoken, toklen, sec_ix; + unsigned int len, paddedlen, loop, ntoken, toklen, sec_ix; size_t datalen = prep->datalen; int ret; @@ -578,22 +582,21 @@ static int rxrpc_preparse_xdr(struct key_preparsed_payload *prep) if (len < 1 || len > AFSTOKEN_CELL_MAX) goto not_xdr; datalen -= 4; - tmp = (len + 3) & ~3; - if (tmp > datalen) + paddedlen = (len + 3) & ~3; + if (paddedlen > datalen) goto not_xdr; cp = (const char *) xdr; for (loop = 0; loop < len; loop++) if (!isprint(cp[loop])) goto not_xdr; - if (len < tmp) - for (; loop < tmp; loop++) - if (cp[loop]) - goto not_xdr; + for (; loop < paddedlen; loop++) + if (cp[loop]) + goto not_xdr; _debug("cellname: [%u/%u] '%*.*s'", - len, tmp, len, len, (const char *) xdr); - datalen -= tmp; - xdr += tmp >> 2; + len, paddedlen, len, len, (const char *) xdr); + datalen -= paddedlen; + xdr += paddedlen >> 2; /* get the token count */ if (datalen < 12) @@ -614,10 +617,11 @@ static int rxrpc_preparse_xdr(struct key_preparsed_payload *prep) sec_ix = ntohl(*xdr); datalen -= 4; _debug("token: [%x/%zx] %x", toklen, datalen, sec_ix); - if (toklen < 20 || toklen > datalen) + paddedlen = (toklen + 3) & ~3; + if (toklen < 20 || toklen > datalen || paddedlen > datalen) goto not_xdr; - datalen -= (toklen + 3) & ~3; - xdr += (toklen + 3) >> 2; + datalen -= paddedlen; + xdr += paddedlen >> 2; } while (--loop > 0); diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c index 164b5ac..7dc5892 100644 --- a/net/sched/act_pedit.c +++ b/net/sched/act_pedit.c @@ -94,8 +94,10 @@ static struct tcf_pedit_key_ex *tcf_pedit_keys_ex_parse(struct nlattr *nla, k++; } - if (n) + if (n) { + err = -EINVAL; goto err_out; + } return keys_ex; diff --git a/net/sched/act_police.c b/net/sched/act_police.c index f42008b..b062bc8 100644 --- a/net/sched/act_police.c +++ b/net/sched/act_police.c @@ -132,21 +132,21 @@ static int tcf_act_police_init(struct net *net, struct nlattr *nla, } } - spin_lock_bh(&police->tcf_lock); if (est) { err = gen_replace_estimator(&police->tcf_bstats, NULL, &police->tcf_rate_est, &police->tcf_lock, NULL, est); if (err) - goto failure_unlock; + goto failure; } else if (tb[TCA_POLICE_AVRATE] && (ret == ACT_P_CREATED || !gen_estimator_active(&police->tcf_rate_est))) { err = -EINVAL; - goto failure_unlock; + goto failure; } + spin_lock_bh(&police->tcf_lock); /* No failure allowed after this point */ police->tcfp_mtu = parm->mtu; if (police->tcfp_mtu == 0) { @@ -192,8 +192,6 @@ static int tcf_act_police_init(struct net *net, struct nlattr *nla, return ret; -failure_unlock: - spin_unlock_bh(&police->tcf_lock); failure: qdisc_put_rtab(P_tab); qdisc_put_rtab(R_tab); diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index e88342f..cfdbfa1 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1019,7 +1019,8 @@ static struct Qdisc *qdisc_create(struct net_device *dev, return sch; } /* ops->init() failed, we call ->destroy() like qdisc_create_dflt() */ - ops->destroy(sch); + if (ops->destroy) + ops->destroy(sch); err_out3: dev_put(dev); kfree((char *) sch - sch->padded); diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c index 8c58923..3dcd0ec 100644 --- a/net/sctp/endpointola.c +++ b/net/sctp/endpointola.c @@ -275,6 +275,7 @@ static void sctp_endpoint_destroy(struct sctp_endpoint *ep) if (sctp_sk(sk)->bind_hash) sctp_put_port(sk); + sctp_sk(sk)->ep = NULL; sock_put(sk); } diff --git a/net/sctp/sctp_diag.c b/net/sctp/sctp_diag.c index 048954e..9a64721 100644 --- a/net/sctp/sctp_diag.c +++ b/net/sctp/sctp_diag.c @@ -278,7 +278,6 @@ out: static int sctp_sock_dump(struct sock *sk, void *p) { - struct sctp_endpoint *ep = sctp_sk(sk)->ep; struct sctp_comm_param *commp = p; struct sk_buff *skb = commp->skb; struct netlink_callback *cb = commp->cb; @@ -287,7 +286,9 @@ static int sctp_sock_dump(struct sock *sk, void *p) int err = 0; lock_sock(sk); - list_for_each_entry(assoc, &ep->asocs, asocs) { + if (!sctp_sk(sk)->ep) + goto release; + list_for_each_entry(assoc, &sctp_sk(sk)->ep->asocs, asocs) { if (cb->args[4] < cb->args[1]) goto next; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index f16c8d9..3a8318e 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -4622,13 +4622,13 @@ int sctp_for_each_endpoint(int (*cb)(struct sctp_endpoint *, void *), for (head = sctp_ep_hashtable; hash < sctp_ep_hashsize; hash++, head++) { - read_lock(&head->lock); + read_lock_bh(&head->lock); sctp_for_each_hentry(epb, &head->chain) { err = cb(sctp_ep(epb), p); if (err) break; } - read_unlock(&head->lock); + read_unlock_bh(&head->lock); } return err; @@ -4666,9 +4666,8 @@ int sctp_for_each_transport(int (*cb)(struct sctp_transport *, void *), if (err) return err; - sctp_transport_get_idx(net, &hti, pos); - obj = sctp_transport_get_next(net, &hti); - for (; obj && !IS_ERR(obj); obj = sctp_transport_get_next(net, &hti)) { + obj = sctp_transport_get_idx(net, &hti, pos + 1); + for (; !IS_ERR_OR_NULL(obj); obj = sctp_transport_get_next(net, &hti)) { struct sctp_transport *transport = obj; if (!sctp_transport_hold(transport)) diff --git a/net/sunrpc/xprtrdma/backchannel.c b/net/sunrpc/xprtrdma/backchannel.c index 24fedd4..03f6b58 100644 --- a/net/sunrpc/xprtrdma/backchannel.c +++ b/net/sunrpc/xprtrdma/backchannel.c @@ -119,11 +119,9 @@ int xprt_rdma_bc_setup(struct rpc_xprt *xprt, unsigned int reqs) for (i = 0; i < (reqs << 1); i++) { rqst = kzalloc(sizeof(*rqst), GFP_KERNEL); - if (!rqst) { - pr_err("RPC: %s: Failed to create bc rpc_rqst\n", - __func__); + if (!rqst) goto out_free; - } + dprintk("RPC: %s: new rqst %p\n", __func__, rqst); rqst->rq_xprt = &r_xprt->rx_xprt; diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 16aff8d..d5b54c0 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2432,7 +2432,12 @@ static void xs_tcp_setup_socket(struct work_struct *work) case -ENETUNREACH: case -EADDRINUSE: case -ENOBUFS: - /* retry with existing socket, after a delay */ + /* + * xs_tcp_force_close() wakes tasks with -EIO. + * We need to wake them first to ensure the + * correct error code. + */ + xprt_wake_pending_tasks(xprt, status); xs_tcp_force_close(xprt); goto out; } diff --git a/net/tipc/msg.c b/net/tipc/msg.c index 312ef7d..ab30876 100644 --- a/net/tipc/msg.c +++ b/net/tipc/msg.c @@ -508,7 +508,7 @@ bool tipc_msg_reverse(u32 own_node, struct sk_buff **skb, int err) } if (skb_cloned(_skb) && - pskb_expand_head(_skb, BUF_HEADROOM, BUF_TAILROOM, GFP_KERNEL)) + pskb_expand_head(_skb, BUF_HEADROOM, BUF_TAILROOM, GFP_ATOMIC)) goto exit; /* Now reverse the concerned fields */ diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 6a7fe76..1a0c961 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -999,7 +999,8 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) struct path path = { }; err = -EINVAL; - if (sunaddr->sun_family != AF_UNIX) + if (addr_len < offsetofend(struct sockaddr_un, sun_family) || + sunaddr->sun_family != AF_UNIX) goto out; if (addr_len == sizeof(short)) { @@ -1110,6 +1111,10 @@ static int unix_dgram_connect(struct socket *sock, struct sockaddr *addr, unsigned int hash; int err; + err = -EINVAL; + if (alen < offsetofend(struct sockaddr, sa_family)) + goto out; + if (addr->sa_family != AF_UNSPEC) { err = unix_mkname(sunaddr, alen, &hash); if (err < 0) diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c index 1a4db67..6cdb054 100644 --- a/net/wireless/wext-core.c +++ b/net/wireless/wext-core.c @@ -914,13 +914,12 @@ int call_commit_handler(struct net_device *dev) * Main IOCTl dispatcher. * Check the type of IOCTL and call the appropriate wrapper... */ -static int wireless_process_ioctl(struct net *net, struct ifreq *ifr, +static int wireless_process_ioctl(struct net *net, struct iwreq *iwr, unsigned int cmd, struct iw_request_info *info, wext_ioctl_func standard, wext_ioctl_func private) { - struct iwreq *iwr = (struct iwreq *) ifr; struct net_device *dev; iw_handler handler; @@ -928,7 +927,7 @@ static int wireless_process_ioctl(struct net *net, struct ifreq *ifr, * The copy_to/from_user() of ifr is also dealt with in there */ /* Make sure the device exist */ - if ((dev = __dev_get_by_name(net, ifr->ifr_name)) == NULL) + if ((dev = __dev_get_by_name(net, iwr->ifr_name)) == NULL) return -ENODEV; /* A bunch of special cases, then the generic case... @@ -957,9 +956,6 @@ static int wireless_process_ioctl(struct net *net, struct ifreq *ifr, else if (private) return private(dev, iwr, cmd, info, handler); } - /* Old driver API : call driver ioctl handler */ - if (dev->netdev_ops->ndo_do_ioctl) - return dev->netdev_ops->ndo_do_ioctl(dev, ifr, cmd); return -EOPNOTSUPP; } @@ -977,7 +973,7 @@ static int wext_permission_check(unsigned int cmd) } /* entry point from dev ioctl */ -static int wext_ioctl_dispatch(struct net *net, struct ifreq *ifr, +static int wext_ioctl_dispatch(struct net *net, struct iwreq *iwr, unsigned int cmd, struct iw_request_info *info, wext_ioctl_func standard, wext_ioctl_func private) @@ -987,9 +983,9 @@ static int wext_ioctl_dispatch(struct net *net, struct ifreq *ifr, if (ret) return ret; - dev_load(net, ifr->ifr_name); + dev_load(net, iwr->ifr_name); rtnl_lock(); - ret = wireless_process_ioctl(net, ifr, cmd, info, standard, private); + ret = wireless_process_ioctl(net, iwr, cmd, info, standard, private); rtnl_unlock(); return ret; @@ -1039,18 +1035,18 @@ static int ioctl_standard_call(struct net_device * dev, } -int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd, +int wext_handle_ioctl(struct net *net, struct iwreq *iwr, unsigned int cmd, void __user *arg) { struct iw_request_info info = { .cmd = cmd, .flags = 0 }; int ret; - ret = wext_ioctl_dispatch(net, ifr, cmd, &info, + ret = wext_ioctl_dispatch(net, iwr, cmd, &info, ioctl_standard_call, ioctl_private_call); if (ret >= 0 && IW_IS_GET(cmd) && - copy_to_user(arg, ifr, sizeof(struct iwreq))) + copy_to_user(arg, iwr, sizeof(struct iwreq))) return -EFAULT; return ret; @@ -1107,7 +1103,7 @@ int compat_wext_handle_ioctl(struct net *net, unsigned int cmd, info.cmd = cmd; info.flags = IW_REQUEST_FLAG_COMPAT; - ret = wext_ioctl_dispatch(net, (struct ifreq *) &iwr, cmd, &info, + ret = wext_ioctl_dispatch(net, &iwr, cmd, &info, compat_standard_call, compat_private_call); diff --git a/net/xfrm/Makefile b/net/xfrm/Makefile index abf81b3..55b2ac3 100644 --- a/net/xfrm/Makefile +++ b/net/xfrm/Makefile @@ -4,8 +4,7 @@ obj-$(CONFIG_XFRM) := xfrm_policy.o xfrm_state.o xfrm_hash.o \ xfrm_input.o xfrm_output.o \ - xfrm_sysctl.o xfrm_replay.o -obj-$(CONFIG_XFRM_OFFLOAD) += xfrm_device.o + xfrm_sysctl.o xfrm_replay.o xfrm_device.o obj-$(CONFIG_XFRM_STATISTICS) += xfrm_proc.o obj-$(CONFIG_XFRM_ALGO) += xfrm_algo.o obj-$(CONFIG_XFRM_USER) += xfrm_user.o diff --git a/net/xfrm/xfrm_device.c b/net/xfrm/xfrm_device.c index 574e6f3..5aba036 100644 --- a/net/xfrm/xfrm_device.c +++ b/net/xfrm/xfrm_device.c @@ -22,6 +22,7 @@ #include <net/xfrm.h> #include <linux/notifier.h> +#ifdef CONFIG_XFRM_OFFLOAD int validate_xmit_xfrm(struct sk_buff *skb, netdev_features_t features) { int err; @@ -137,6 +138,7 @@ ok: return true; } EXPORT_SYMBOL_GPL(xfrm_dev_offload_ok); +#endif int xfrm_dev_register(struct net_device *dev) { diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index ed4e52d..643a18f 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1006,10 +1006,6 @@ int xfrm_policy_flush(struct net *net, u8 type, bool task_valid) err = -ESRCH; out: spin_unlock_bh(&net->xfrm.xfrm_policy_lock); - - if (cnt) - xfrm_garbage_collect(net); - return err; } EXPORT_SYMBOL(xfrm_policy_flush); diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 38614df..86116e9 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -2027,6 +2027,7 @@ static int xfrm_flush_policy(struct sk_buff *skb, struct nlmsghdr *nlh, return 0; return err; } + xfrm_garbage_collect(net); c.data.type = type; c.event = nlh->nlmsg_type; diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst index ce753a4..c583a1e 100644 --- a/scripts/Makefile.headersinst +++ b/scripts/Makefile.headersinst @@ -14,7 +14,15 @@ __headers: include scripts/Kbuild.include srcdir := $(srctree)/$(obj) -subdirs := $(patsubst $(srcdir)/%/.,%,$(wildcard $(srcdir)/*/.)) + +# When make is run under a fakechroot environment, the function +# $(wildcard $(srcdir)/*/.) doesn't only return directories, but also regular +# files. So, we are using a combination of sort/dir/wildcard which works +# with fakechroot. +subdirs := $(patsubst $(srcdir)/%/,%,\ + $(filter-out $(srcdir)/,\ + $(sort $(dir $(wildcard $(srcdir)/*/))))) + # caller may set destination dir (when installing to asm/) _dst := $(if $(dst),$(dst),$(obj)) diff --git a/scripts/gdb/linux/dmesg.py b/scripts/gdb/linux/dmesg.py index f9b92ec..5afd109 100644 --- a/scripts/gdb/linux/dmesg.py +++ b/scripts/gdb/linux/dmesg.py @@ -23,10 +23,11 @@ class LxDmesg(gdb.Command): super(LxDmesg, self).__init__("lx-dmesg", gdb.COMMAND_DATA) def invoke(self, arg, from_tty): - log_buf_addr = int(str(gdb.parse_and_eval("log_buf")).split()[0], 16) - log_first_idx = int(gdb.parse_and_eval("log_first_idx")) - log_next_idx = int(gdb.parse_and_eval("log_next_idx")) - log_buf_len = int(gdb.parse_and_eval("log_buf_len")) + log_buf_addr = int(str(gdb.parse_and_eval( + "'printk.c'::log_buf")).split()[0], 16) + log_first_idx = int(gdb.parse_and_eval("'printk.c'::log_first_idx")) + log_next_idx = int(gdb.parse_and_eval("'printk.c'::log_next_idx")) + log_buf_len = int(gdb.parse_and_eval("'printk.c'::log_buf_len")) inf = gdb.inferiors()[0] start = log_buf_addr + log_first_idx diff --git a/scripts/genksyms/genksyms.h b/scripts/genksyms/genksyms.h index 3bffdca..b724a02 100644 --- a/scripts/genksyms/genksyms.h +++ b/scripts/genksyms/genksyms.h @@ -75,7 +75,7 @@ struct string_list *copy_list_range(struct string_list *start, int yylex(void); int yyparse(void); -void error_with_pos(const char *, ...); +void error_with_pos(const char *, ...) __attribute__ ((format(printf, 1, 2))); /*----------------------------------------------------------------------*/ #define xmalloc(size) ({ void *__ptr = malloc(size); \ diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile index 90a091b..eb81446 100644 --- a/scripts/kconfig/Makefile +++ b/scripts/kconfig/Makefile @@ -196,7 +196,7 @@ clean-files += config.pot linux.pot # Check that we have the required ncurses stuff installed for lxdialog (menuconfig) PHONY += $(obj)/dochecklxdialog -$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog +$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/dochecklxdialog $(obj)/dochecklxdialog: $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf) diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c index a9bc533..0031147 100644 --- a/scripts/kconfig/nconf.c +++ b/scripts/kconfig/nconf.c @@ -271,7 +271,7 @@ static struct mitem k_menu_items[MAX_MENU_ITEMS]; static int items_num; static int global_exit; /* the currently selected button */ -const char *current_instructions = menu_instructions; +static const char *current_instructions = menu_instructions; static char *dialog_input_result; static int dialog_input_result_len; @@ -305,7 +305,7 @@ struct function_keys { }; static const int function_keys_num = 9; -struct function_keys function_keys[] = { +static struct function_keys function_keys[] = { { .key_str = "F1", .func = "Help", @@ -508,7 +508,7 @@ static int get_mext_match(const char *match_str, match_f flag) index = (index + items_num) % items_num; while (true) { char *str = k_menu_items[index].str; - if (strcasestr(str, match_str) != 0) + if (strcasestr(str, match_str) != NULL) return index; if (flag == FIND_NEXT_MATCH_UP || flag == MATCH_TINKER_PATTERN_UP) @@ -1067,7 +1067,7 @@ static int do_match(int key, struct match_state *state, int *ans) static void conf(struct menu *menu) { - struct menu *submenu = 0; + struct menu *submenu = NULL; const char *prompt = menu_get_prompt(menu); struct symbol *sym; int res; @@ -1234,7 +1234,7 @@ static void show_help(struct menu *menu) static void conf_choice(struct menu *menu) { const char *prompt = _(menu_get_prompt(menu)); - struct menu *child = 0; + struct menu *child = NULL; struct symbol *active; int selected_index = 0; int last_top_row = 0; @@ -1456,7 +1456,7 @@ static void conf_save(void) } } -void setup_windows(void) +static void setup_windows(void) { int lines, columns; diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c index 4b2f44c..a64b1c3 100644 --- a/scripts/kconfig/nconf.gui.c +++ b/scripts/kconfig/nconf.gui.c @@ -129,7 +129,7 @@ static void no_colors_theme(void) mkattrn(FUNCTION_TEXT, A_REVERSE); } -void set_colors() +void set_colors(void) { start_color(); use_default_colors(); @@ -192,7 +192,7 @@ const char *get_line(const char *text, int line_no) int lines = 0; if (!text) - return 0; + return NULL; for (i = 0; text[i] != '\0' && lines < line_no; i++) if (text[i] == '\n') diff --git a/scripts/tags.sh b/scripts/tags.sh index d661f2f..d23dcbf 100755 --- a/scripts/tags.sh +++ b/scripts/tags.sh @@ -106,6 +106,7 @@ all_compiled_sources() case "$i" in *.[cS]) j=${i/\.[cS]/\.o} + j="${j#$tree}" if [ -e $j ]; then echo $i fi diff --git a/security/keys/Kconfig b/security/keys/Kconfig index 6fd95f7..a7a23b5 100644 --- a/security/keys/Kconfig +++ b/security/keys/Kconfig @@ -20,6 +20,10 @@ config KEYS If you are unsure as to whether this is required, answer N. +config KEYS_COMPAT + def_bool y + depends on COMPAT && KEYS + config PERSISTENT_KEYRINGS bool "Enable register of persistent per-UID keyrings" depends on KEYS @@ -89,9 +93,9 @@ config ENCRYPTED_KEYS config KEY_DH_OPERATIONS bool "Diffie-Hellman operations on retained keys" depends on KEYS - select MPILIB select CRYPTO select CRYPTO_HASH + select CRYPTO_DH help This option provides support for calculating Diffie-Hellman public keys and shared secrets using values stored as keys diff --git a/security/keys/dh.c b/security/keys/dh.c index e603bd9..4755d4b 100644 --- a/security/keys/dh.c +++ b/security/keys/dh.c @@ -8,34 +8,17 @@ * 2 of the License, or (at your option) any later version. */ -#include <linux/mpi.h> #include <linux/slab.h> #include <linux/uaccess.h> +#include <linux/scatterlist.h> #include <linux/crypto.h> #include <crypto/hash.h> +#include <crypto/kpp.h> +#include <crypto/dh.h> #include <keys/user-type.h> #include "internal.h" -/* - * Public key or shared secret generation function [RFC2631 sec 2.1.1] - * - * ya = g^xa mod p; - * or - * ZZ = yb^xa mod p; - * - * where xa is the local private key, ya is the local public key, g is - * the generator, p is the prime, yb is the remote public key, and ZZ - * is the shared secret. - * - * Both are the same calculation, so g or yb are the "base" and ya or - * ZZ are the "result". - */ -static int do_dh(MPI result, MPI base, MPI xa, MPI p) -{ - return mpi_powm(result, base, xa, p); -} - -static ssize_t mpi_from_key(key_serial_t keyid, size_t maxlen, MPI *mpi) +static ssize_t dh_data_from_key(key_serial_t keyid, void **data) { struct key *key; key_ref_t key_ref; @@ -56,19 +39,17 @@ static ssize_t mpi_from_key(key_serial_t keyid, size_t maxlen, MPI *mpi) status = key_validate(key); if (status == 0) { const struct user_key_payload *payload; + uint8_t *duplicate; payload = user_key_payload_locked(key); - if (maxlen == 0) { - *mpi = NULL; + duplicate = kmemdup(payload->data, payload->datalen, + GFP_KERNEL); + if (duplicate) { + *data = duplicate; ret = payload->datalen; - } else if (payload->datalen <= maxlen) { - *mpi = mpi_read_raw_data(payload->data, - payload->datalen); - if (*mpi) - ret = payload->datalen; } else { - ret = -EINVAL; + ret = -ENOMEM; } } up_read(&key->sem); @@ -79,6 +60,29 @@ error: return ret; } +static void dh_free_data(struct dh *dh) +{ + kzfree(dh->key); + kzfree(dh->p); + kzfree(dh->g); +} + +struct dh_completion { + struct completion completion; + int err; +}; + +static void dh_crypto_done(struct crypto_async_request *req, int err) +{ + struct dh_completion *compl = req->data; + + if (err == -EINPROGRESS) + return; + + compl->err = err; + complete(&compl->completion); +} + struct kdf_sdesc { struct shash_desc shash; char ctx[]; @@ -89,6 +93,7 @@ static int kdf_alloc(struct kdf_sdesc **sdesc_ret, char *hashname) struct crypto_shash *tfm; struct kdf_sdesc *sdesc; int size; + int err; /* allocate synchronous hash */ tfm = crypto_alloc_shash(hashname, 0, 0); @@ -97,16 +102,25 @@ static int kdf_alloc(struct kdf_sdesc **sdesc_ret, char *hashname) return PTR_ERR(tfm); } + err = -EINVAL; + if (crypto_shash_digestsize(tfm) == 0) + goto out_free_tfm; + + err = -ENOMEM; size = sizeof(struct shash_desc) + crypto_shash_descsize(tfm); sdesc = kmalloc(size, GFP_KERNEL); if (!sdesc) - return -ENOMEM; + goto out_free_tfm; sdesc->shash.tfm = tfm; sdesc->shash.flags = 0x0; *sdesc_ret = sdesc; return 0; + +out_free_tfm: + crypto_free_shash(tfm); + return err; } static void kdf_dealloc(struct kdf_sdesc *sdesc) @@ -120,14 +134,6 @@ static void kdf_dealloc(struct kdf_sdesc *sdesc) kzfree(sdesc); } -/* convert 32 bit integer into its string representation */ -static inline void crypto_kw_cpu_to_be32(u32 val, u8 *buf) -{ - __be32 *a = (__be32 *)buf; - - *a = cpu_to_be32(val); -} - /* * Implementation of the KDF in counter mode according to SP800-108 section 5.1 * as well as SP800-56A section 5.8.1 (Single-step KDF). @@ -138,25 +144,39 @@ static inline void crypto_kw_cpu_to_be32(u32 val, u8 *buf) * 5.8.1.2). */ static int kdf_ctr(struct kdf_sdesc *sdesc, const u8 *src, unsigned int slen, - u8 *dst, unsigned int dlen) + u8 *dst, unsigned int dlen, unsigned int zlen) { struct shash_desc *desc = &sdesc->shash; unsigned int h = crypto_shash_digestsize(desc->tfm); int err = 0; u8 *dst_orig = dst; - u32 i = 1; - u8 iteration[sizeof(u32)]; + __be32 counter = cpu_to_be32(1); while (dlen) { err = crypto_shash_init(desc); if (err) goto err; - crypto_kw_cpu_to_be32(i, iteration); - err = crypto_shash_update(desc, iteration, sizeof(u32)); + err = crypto_shash_update(desc, (u8 *)&counter, sizeof(__be32)); if (err) goto err; + if (zlen && h) { + u8 tmpbuffer[h]; + size_t chunk = min_t(size_t, zlen, h); + memset(tmpbuffer, 0, chunk); + + do { + err = crypto_shash_update(desc, tmpbuffer, + chunk); + if (err) + goto err; + + zlen -= chunk; + chunk = min_t(size_t, zlen, h); + } while (zlen); + } + if (src && slen) { err = crypto_shash_update(desc, src, slen); if (err) @@ -179,7 +199,7 @@ static int kdf_ctr(struct kdf_sdesc *sdesc, const u8 *src, unsigned int slen, dlen -= h; dst += h; - i++; + counter = cpu_to_be32(be32_to_cpu(counter) + 1); } } @@ -192,7 +212,7 @@ err: static int keyctl_dh_compute_kdf(struct kdf_sdesc *sdesc, char __user *buffer, size_t buflen, - uint8_t *kbuf, size_t kbuflen) + uint8_t *kbuf, size_t kbuflen, size_t lzero) { uint8_t *outbuf = NULL; int ret; @@ -203,7 +223,7 @@ static int keyctl_dh_compute_kdf(struct kdf_sdesc *sdesc, goto err; } - ret = kdf_ctr(sdesc, kbuf, kbuflen, outbuf, buflen); + ret = kdf_ctr(sdesc, kbuf, kbuflen, outbuf, buflen, lzero); if (ret) goto err; @@ -221,21 +241,26 @@ long __keyctl_dh_compute(struct keyctl_dh_params __user *params, struct keyctl_kdf_params *kdfcopy) { long ret; - MPI base, private, prime, result; - unsigned nbytes; + ssize_t dlen; + int secretlen; + int outlen; struct keyctl_dh_params pcopy; - uint8_t *kbuf; - ssize_t keylen; - size_t resultlen; + struct dh dh_inputs; + struct scatterlist outsg; + struct dh_completion compl; + struct crypto_kpp *tfm; + struct kpp_request *req; + uint8_t *secret; + uint8_t *outbuf; struct kdf_sdesc *sdesc = NULL; if (!params || (!buffer && buflen)) { ret = -EINVAL; - goto out; + goto out1; } if (copy_from_user(&pcopy, params, sizeof(pcopy)) != 0) { ret = -EFAULT; - goto out; + goto out1; } if (kdfcopy) { @@ -244,104 +269,147 @@ long __keyctl_dh_compute(struct keyctl_dh_params __user *params, if (buflen > KEYCTL_KDF_MAX_OUTPUT_LEN || kdfcopy->otherinfolen > KEYCTL_KDF_MAX_OI_LEN) { ret = -EMSGSIZE; - goto out; + goto out1; } /* get KDF name string */ hashname = strndup_user(kdfcopy->hashname, CRYPTO_MAX_ALG_NAME); if (IS_ERR(hashname)) { ret = PTR_ERR(hashname); - goto out; + goto out1; } /* allocate KDF from the kernel crypto API */ ret = kdf_alloc(&sdesc, hashname); kfree(hashname); if (ret) - goto out; + goto out1; } - /* - * If the caller requests postprocessing with a KDF, allow an - * arbitrary output buffer size since the KDF ensures proper truncation. - */ - keylen = mpi_from_key(pcopy.prime, kdfcopy ? SIZE_MAX : buflen, &prime); - if (keylen < 0 || !prime) { - /* buflen == 0 may be used to query the required buffer size, - * which is the prime key length. - */ - ret = keylen; - goto out; + memset(&dh_inputs, 0, sizeof(dh_inputs)); + + dlen = dh_data_from_key(pcopy.prime, &dh_inputs.p); + if (dlen < 0) { + ret = dlen; + goto out1; + } + dh_inputs.p_size = dlen; + + dlen = dh_data_from_key(pcopy.base, &dh_inputs.g); + if (dlen < 0) { + ret = dlen; + goto out2; } + dh_inputs.g_size = dlen; - /* The result is never longer than the prime */ - resultlen = keylen; + dlen = dh_data_from_key(pcopy.private, &dh_inputs.key); + if (dlen < 0) { + ret = dlen; + goto out2; + } + dh_inputs.key_size = dlen; - keylen = mpi_from_key(pcopy.base, SIZE_MAX, &base); - if (keylen < 0 || !base) { - ret = keylen; - goto error1; + secretlen = crypto_dh_key_len(&dh_inputs); + secret = kmalloc(secretlen, GFP_KERNEL); + if (!secret) { + ret = -ENOMEM; + goto out2; } + ret = crypto_dh_encode_key(secret, secretlen, &dh_inputs); + if (ret) + goto out3; - keylen = mpi_from_key(pcopy.private, SIZE_MAX, &private); - if (keylen < 0 || !private) { - ret = keylen; - goto error2; + tfm = crypto_alloc_kpp("dh", CRYPTO_ALG_TYPE_KPP, 0); + if (IS_ERR(tfm)) { + ret = PTR_ERR(tfm); + goto out3; + } + + ret = crypto_kpp_set_secret(tfm, secret, secretlen); + if (ret) + goto out4; + + outlen = crypto_kpp_maxsize(tfm); + + if (!kdfcopy) { + /* + * When not using a KDF, buflen 0 is used to read the + * required buffer length + */ + if (buflen == 0) { + ret = outlen; + goto out4; + } else if (outlen > buflen) { + ret = -EOVERFLOW; + goto out4; + } } - result = mpi_alloc(0); - if (!result) { + outbuf = kzalloc(kdfcopy ? (outlen + kdfcopy->otherinfolen) : outlen, + GFP_KERNEL); + if (!outbuf) { ret = -ENOMEM; - goto error3; + goto out4; } - /* allocate space for DH shared secret and SP800-56A otherinfo */ - kbuf = kmalloc(kdfcopy ? (resultlen + kdfcopy->otherinfolen) : resultlen, - GFP_KERNEL); - if (!kbuf) { + sg_init_one(&outsg, outbuf, outlen); + + req = kpp_request_alloc(tfm, GFP_KERNEL); + if (!req) { ret = -ENOMEM; - goto error4; + goto out5; } + kpp_request_set_input(req, NULL, 0); + kpp_request_set_output(req, &outsg, outlen); + init_completion(&compl.completion); + kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG | + CRYPTO_TFM_REQ_MAY_SLEEP, + dh_crypto_done, &compl); + /* - * Concatenate SP800-56A otherinfo past DH shared secret -- the - * input to the KDF is (DH shared secret || otherinfo) + * For DH, generate_public_key and generate_shared_secret are + * the same calculation */ - if (kdfcopy && kdfcopy->otherinfo && - copy_from_user(kbuf + resultlen, kdfcopy->otherinfo, - kdfcopy->otherinfolen) != 0) { - ret = -EFAULT; - goto error5; + ret = crypto_kpp_generate_public_key(req); + if (ret == -EINPROGRESS) { + wait_for_completion(&compl.completion); + ret = compl.err; + if (ret) + goto out6; } - ret = do_dh(result, base, private, prime); - if (ret) - goto error5; - - ret = mpi_read_buffer(result, kbuf, resultlen, &nbytes, NULL); - if (ret != 0) - goto error5; - if (kdfcopy) { - ret = keyctl_dh_compute_kdf(sdesc, buffer, buflen, kbuf, - resultlen + kdfcopy->otherinfolen); - } else { - ret = nbytes; - if (copy_to_user(buffer, kbuf, nbytes) != 0) + /* + * Concatenate SP800-56A otherinfo past DH shared secret -- the + * input to the KDF is (DH shared secret || otherinfo) + */ + if (copy_from_user(outbuf + req->dst_len, kdfcopy->otherinfo, + kdfcopy->otherinfolen) != 0) { ret = -EFAULT; + goto out6; + } + + ret = keyctl_dh_compute_kdf(sdesc, buffer, buflen, outbuf, + req->dst_len + kdfcopy->otherinfolen, + outlen - req->dst_len); + } else if (copy_to_user(buffer, outbuf, req->dst_len) == 0) { + ret = req->dst_len; + } else { + ret = -EFAULT; } -error5: - kzfree(kbuf); -error4: - mpi_free(result); -error3: - mpi_free(private); -error2: - mpi_free(base); -error1: - mpi_free(prime); -out: +out6: + kpp_request_free(req); +out5: + kzfree(outbuf); +out4: + crypto_free_kpp(tfm); +out3: + kzfree(secret); +out2: + dh_free_data(&dh_inputs); +out1: kdf_dealloc(sdesc); return ret; } diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c index 0010955..bb6324d 100644 --- a/security/keys/encrypted-keys/encrypted.c +++ b/security/keys/encrypted-keys/encrypted.c @@ -30,6 +30,7 @@ #include <linux/scatterlist.h> #include <linux/ctype.h> #include <crypto/aes.h> +#include <crypto/algapi.h> #include <crypto/hash.h> #include <crypto/sha.h> #include <crypto/skcipher.h> @@ -54,13 +55,7 @@ static int blksize; #define MAX_DATA_SIZE 4096 #define MIN_DATA_SIZE 20 -struct sdesc { - struct shash_desc shash; - char ctx[]; -}; - -static struct crypto_shash *hashalg; -static struct crypto_shash *hmacalg; +static struct crypto_shash *hash_tfm; enum { Opt_err = -1, Opt_new, Opt_load, Opt_update @@ -141,23 +136,22 @@ static int valid_ecryptfs_desc(const char *ecryptfs_desc) */ static int valid_master_desc(const char *new_desc, const char *orig_desc) { - if (!memcmp(new_desc, KEY_TRUSTED_PREFIX, KEY_TRUSTED_PREFIX_LEN)) { - if (strlen(new_desc) == KEY_TRUSTED_PREFIX_LEN) - goto out; - if (orig_desc) - if (memcmp(new_desc, orig_desc, KEY_TRUSTED_PREFIX_LEN)) - goto out; - } else if (!memcmp(new_desc, KEY_USER_PREFIX, KEY_USER_PREFIX_LEN)) { - if (strlen(new_desc) == KEY_USER_PREFIX_LEN) - goto out; - if (orig_desc) - if (memcmp(new_desc, orig_desc, KEY_USER_PREFIX_LEN)) - goto out; - } else - goto out; + int prefix_len; + + if (!strncmp(new_desc, KEY_TRUSTED_PREFIX, KEY_TRUSTED_PREFIX_LEN)) + prefix_len = KEY_TRUSTED_PREFIX_LEN; + else if (!strncmp(new_desc, KEY_USER_PREFIX, KEY_USER_PREFIX_LEN)) + prefix_len = KEY_USER_PREFIX_LEN; + else + return -EINVAL; + + if (!new_desc[prefix_len]) + return -EINVAL; + + if (orig_desc && strncmp(new_desc, orig_desc, prefix_len)) + return -EINVAL; + return 0; -out: - return -EINVAL; } /* @@ -321,53 +315,38 @@ error: return ukey; } -static struct sdesc *alloc_sdesc(struct crypto_shash *alg) -{ - struct sdesc *sdesc; - int size; - - size = sizeof(struct shash_desc) + crypto_shash_descsize(alg); - sdesc = kmalloc(size, GFP_KERNEL); - if (!sdesc) - return ERR_PTR(-ENOMEM); - sdesc->shash.tfm = alg; - sdesc->shash.flags = 0x0; - return sdesc; -} - -static int calc_hmac(u8 *digest, const u8 *key, unsigned int keylen, +static int calc_hash(struct crypto_shash *tfm, u8 *digest, const u8 *buf, unsigned int buflen) { - struct sdesc *sdesc; - int ret; + SHASH_DESC_ON_STACK(desc, tfm); + int err; - sdesc = alloc_sdesc(hmacalg); - if (IS_ERR(sdesc)) { - pr_info("encrypted_key: can't alloc %s\n", hmac_alg); - return PTR_ERR(sdesc); - } + desc->tfm = tfm; + desc->flags = 0; - ret = crypto_shash_setkey(hmacalg, key, keylen); - if (!ret) - ret = crypto_shash_digest(&sdesc->shash, buf, buflen, digest); - kfree(sdesc); - return ret; + err = crypto_shash_digest(desc, buf, buflen, digest); + shash_desc_zero(desc); + return err; } -static int calc_hash(u8 *digest, const u8 *buf, unsigned int buflen) +static int calc_hmac(u8 *digest, const u8 *key, unsigned int keylen, + const u8 *buf, unsigned int buflen) { - struct sdesc *sdesc; - int ret; + struct crypto_shash *tfm; + int err; - sdesc = alloc_sdesc(hashalg); - if (IS_ERR(sdesc)) { - pr_info("encrypted_key: can't alloc %s\n", hash_alg); - return PTR_ERR(sdesc); + tfm = crypto_alloc_shash(hmac_alg, 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(tfm)) { + pr_err("encrypted_key: can't alloc %s transform: %ld\n", + hmac_alg, PTR_ERR(tfm)); + return PTR_ERR(tfm); } - ret = crypto_shash_digest(&sdesc->shash, buf, buflen, digest); - kfree(sdesc); - return ret; + err = crypto_shash_setkey(tfm, key, keylen); + if (!err) + err = calc_hash(tfm, digest, buf, buflen); + crypto_free_shash(tfm); + return err; } enum derived_key_type { ENC_KEY, AUTH_KEY }; @@ -385,10 +364,9 @@ static int get_derived_key(u8 *derived_key, enum derived_key_type key_type, derived_buf_len = HASH_SIZE; derived_buf = kzalloc(derived_buf_len, GFP_KERNEL); - if (!derived_buf) { - pr_err("encrypted_key: out of memory\n"); + if (!derived_buf) return -ENOMEM; - } + if (key_type) strcpy(derived_buf, "AUTH_KEY"); else @@ -396,8 +374,8 @@ static int get_derived_key(u8 *derived_key, enum derived_key_type key_type, memcpy(derived_buf + strlen(derived_buf) + 1, master_key, master_keylen); - ret = calc_hash(derived_key, derived_buf, derived_buf_len); - kfree(derived_buf); + ret = calc_hash(hash_tfm, derived_key, derived_buf, derived_buf_len); + kzfree(derived_buf); return ret; } @@ -480,12 +458,9 @@ static int derived_key_encrypt(struct encrypted_key_payload *epayload, struct skcipher_request *req; unsigned int encrypted_datalen; u8 iv[AES_BLOCK_SIZE]; - unsigned int padlen; - char pad[16]; int ret; encrypted_datalen = roundup(epayload->decrypted_datalen, blksize); - padlen = encrypted_datalen - epayload->decrypted_datalen; req = init_skcipher_req(derived_key, derived_keylen); ret = PTR_ERR(req); @@ -493,11 +468,10 @@ static int derived_key_encrypt(struct encrypted_key_payload *epayload, goto out; dump_decrypted_data(epayload); - memset(pad, 0, sizeof pad); sg_init_table(sg_in, 2); sg_set_buf(&sg_in[0], epayload->decrypted_data, epayload->decrypted_datalen); - sg_set_buf(&sg_in[1], pad, padlen); + sg_set_page(&sg_in[1], ZERO_PAGE(0), AES_BLOCK_SIZE, 0); sg_init_table(sg_out, 1); sg_set_buf(sg_out, epayload->encrypted_data, encrypted_datalen); @@ -533,6 +507,7 @@ static int datablob_hmac_append(struct encrypted_key_payload *epayload, if (!ret) dump_hmac(NULL, digest, HASH_SIZE); out: + memzero_explicit(derived_key, sizeof(derived_key)); return ret; } @@ -561,8 +536,8 @@ static int datablob_hmac_verify(struct encrypted_key_payload *epayload, ret = calc_hmac(digest, derived_key, sizeof derived_key, p, len); if (ret < 0) goto out; - ret = memcmp(digest, epayload->format + epayload->datablob_len, - sizeof digest); + ret = crypto_memneq(digest, epayload->format + epayload->datablob_len, + sizeof(digest)); if (ret) { ret = -EINVAL; dump_hmac("datablob", @@ -571,6 +546,7 @@ static int datablob_hmac_verify(struct encrypted_key_payload *epayload, dump_hmac("calc", digest, HASH_SIZE); } out: + memzero_explicit(derived_key, sizeof(derived_key)); return ret; } @@ -584,9 +560,14 @@ static int derived_key_decrypt(struct encrypted_key_payload *epayload, struct skcipher_request *req; unsigned int encrypted_datalen; u8 iv[AES_BLOCK_SIZE]; - char pad[16]; + u8 *pad; int ret; + /* Throwaway buffer to hold the unused zero padding at the end */ + pad = kmalloc(AES_BLOCK_SIZE, GFP_KERNEL); + if (!pad) + return -ENOMEM; + encrypted_datalen = roundup(epayload->decrypted_datalen, blksize); req = init_skcipher_req(derived_key, derived_keylen); ret = PTR_ERR(req); @@ -594,13 +575,12 @@ static int derived_key_decrypt(struct encrypted_key_payload *epayload, goto out; dump_encrypted_data(epayload, encrypted_datalen); - memset(pad, 0, sizeof pad); sg_init_table(sg_in, 1); sg_init_table(sg_out, 2); sg_set_buf(sg_in, epayload->encrypted_data, encrypted_datalen); sg_set_buf(&sg_out[0], epayload->decrypted_data, epayload->decrypted_datalen); - sg_set_buf(&sg_out[1], pad, sizeof pad); + sg_set_buf(&sg_out[1], pad, AES_BLOCK_SIZE); memcpy(iv, epayload->iv, sizeof(iv)); skcipher_request_set_crypt(req, sg_in, sg_out, encrypted_datalen, iv); @@ -612,6 +592,7 @@ static int derived_key_decrypt(struct encrypted_key_payload *epayload, goto out; dump_decrypted_data(epayload); out: + kfree(pad); return ret; } @@ -722,6 +703,7 @@ static int encrypted_key_decrypt(struct encrypted_key_payload *epayload, out: up_read(&mkey->sem); key_put(mkey); + memzero_explicit(derived_key, sizeof(derived_key)); return ret; } @@ -828,13 +810,13 @@ static int encrypted_instantiate(struct key *key, ret = encrypted_init(epayload, key->description, format, master_desc, decrypted_datalen, hex_encoded_iv); if (ret < 0) { - kfree(epayload); + kzfree(epayload); goto out; } rcu_assign_keypointer(key, epayload); out: - kfree(datablob); + kzfree(datablob); return ret; } @@ -843,8 +825,7 @@ static void encrypted_rcu_free(struct rcu_head *rcu) struct encrypted_key_payload *epayload; epayload = container_of(rcu, struct encrypted_key_payload, rcu); - memset(epayload->decrypted_data, 0, epayload->decrypted_datalen); - kfree(epayload); + kzfree(epayload); } /* @@ -902,7 +883,7 @@ static int encrypted_update(struct key *key, struct key_preparsed_payload *prep) rcu_assign_keypointer(key, new_epayload); call_rcu(&epayload->rcu, encrypted_rcu_free); out: - kfree(buf); + kzfree(buf); return ret; } @@ -960,33 +941,26 @@ static long encrypted_read(const struct key *key, char __user *buffer, up_read(&mkey->sem); key_put(mkey); + memzero_explicit(derived_key, sizeof(derived_key)); if (copy_to_user(buffer, ascii_buf, asciiblob_len) != 0) ret = -EFAULT; - kfree(ascii_buf); + kzfree(ascii_buf); return asciiblob_len; out: up_read(&mkey->sem); key_put(mkey); + memzero_explicit(derived_key, sizeof(derived_key)); return ret; } /* - * encrypted_destroy - before freeing the key, clear the decrypted data - * - * Before freeing the key, clear the memory containing the decrypted - * key data. + * encrypted_destroy - clear and free the key's payload */ static void encrypted_destroy(struct key *key) { - struct encrypted_key_payload *epayload = key->payload.data[0]; - - if (!epayload) - return; - - memzero_explicit(epayload->decrypted_data, epayload->decrypted_datalen); - kfree(key->payload.data[0]); + kzfree(key->payload.data[0]); } struct key_type key_type_encrypted = { @@ -999,47 +973,17 @@ struct key_type key_type_encrypted = { }; EXPORT_SYMBOL_GPL(key_type_encrypted); -static void encrypted_shash_release(void) -{ - if (hashalg) - crypto_free_shash(hashalg); - if (hmacalg) - crypto_free_shash(hmacalg); -} - -static int __init encrypted_shash_alloc(void) +static int __init init_encrypted(void) { int ret; - hmacalg = crypto_alloc_shash(hmac_alg, 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(hmacalg)) { - pr_info("encrypted_key: could not allocate crypto %s\n", - hmac_alg); - return PTR_ERR(hmacalg); - } - - hashalg = crypto_alloc_shash(hash_alg, 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(hashalg)) { - pr_info("encrypted_key: could not allocate crypto %s\n", - hash_alg); - ret = PTR_ERR(hashalg); - goto hashalg_fail; + hash_tfm = crypto_alloc_shash(hash_alg, 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(hash_tfm)) { + pr_err("encrypted_key: can't allocate %s transform: %ld\n", + hash_alg, PTR_ERR(hash_tfm)); + return PTR_ERR(hash_tfm); } - return 0; - -hashalg_fail: - crypto_free_shash(hmacalg); - return ret; -} - -static int __init init_encrypted(void) -{ - int ret; - - ret = encrypted_shash_alloc(); - if (ret < 0) - return ret; ret = aes_get_sizes(); if (ret < 0) goto out; @@ -1048,14 +992,14 @@ static int __init init_encrypted(void) goto out; return 0; out: - encrypted_shash_release(); + crypto_free_shash(hash_tfm); return ret; } static void __exit cleanup_encrypted(void) { - encrypted_shash_release(); + crypto_free_shash(hash_tfm); unregister_key_type(&key_type_encrypted); } diff --git a/security/keys/gc.c b/security/keys/gc.c index 595becc..87cb260 100644 --- a/security/keys/gc.c +++ b/security/keys/gc.c @@ -158,9 +158,7 @@ static noinline void key_gc_unused_keys(struct list_head *keys) kfree(key->description); -#ifdef KEY_DEBUGGING - key->magic = KEY_DEBUG_MAGIC_X; -#endif + memzero_explicit(key, sizeof(*key)); kmem_cache_free(key_jar, key); } } diff --git a/security/keys/key.c b/security/keys/key.c index 455c04d..83da68d 100644 --- a/security/keys/key.c +++ b/security/keys/key.c @@ -660,14 +660,11 @@ not_found: goto error; found: - /* pretend it doesn't exist if it is awaiting deletion */ - if (refcount_read(&key->usage) == 0) - goto not_found; - - /* this races with key_put(), but that doesn't matter since key_put() - * doesn't actually change the key + /* A key is allowed to be looked up only if someone still owns a + * reference to it - otherwise it's awaiting the gc. */ - __key_get(key); + if (!refcount_inc_not_zero(&key->usage)) + goto not_found; error: spin_unlock(&key_serial_lock); @@ -966,12 +963,11 @@ int key_update(key_ref_t key_ref, const void *payload, size_t plen) /* the key must be writable */ ret = key_permission(key_ref, KEY_NEED_WRITE); if (ret < 0) - goto error; + return ret; /* attempt to update it if supported */ - ret = -EOPNOTSUPP; if (!key->type->update) - goto error; + return -EOPNOTSUPP; memset(&prep, 0, sizeof(prep)); prep.data = payload; diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c index 447a7d5..ab0b337 100644 --- a/security/keys/keyctl.c +++ b/security/keys/keyctl.c @@ -99,7 +99,7 @@ SYSCALL_DEFINE5(add_key, const char __user *, _type, /* pull the payload in if one was supplied */ payload = NULL; - if (_payload) { + if (plen) { ret = -ENOMEM; payload = kvmalloc(plen, GFP_KERNEL); if (!payload) @@ -132,7 +132,10 @@ SYSCALL_DEFINE5(add_key, const char __user *, _type, key_ref_put(keyring_ref); error3: - kvfree(payload); + if (payload) { + memzero_explicit(payload, plen); + kvfree(payload); + } error2: kfree(description); error: @@ -324,7 +327,7 @@ long keyctl_update_key(key_serial_t id, /* pull the payload in if one was supplied */ payload = NULL; - if (_payload) { + if (plen) { ret = -ENOMEM; payload = kmalloc(plen, GFP_KERNEL); if (!payload) @@ -347,7 +350,7 @@ long keyctl_update_key(key_serial_t id, key_ref_put(key_ref); error2: - kfree(payload); + kzfree(payload); error: return ret; } @@ -1093,7 +1096,10 @@ long keyctl_instantiate_key_common(key_serial_t id, keyctl_change_reqkey_auth(NULL); error2: - kvfree(payload); + if (payload) { + memzero_explicit(payload, plen); + kvfree(payload); + } error: return ret; } diff --git a/security/keys/keyring.c b/security/keys/keyring.c index 4d1678e4..de81793 100644 --- a/security/keys/keyring.c +++ b/security/keys/keyring.c @@ -706,7 +706,7 @@ descend_to_keyring: * Non-keyrings avoid the leftmost branch of the root entirely (root * slots 1-15). */ - ptr = ACCESS_ONCE(keyring->keys.root); + ptr = READ_ONCE(keyring->keys.root); if (!ptr) goto not_this_keyring; @@ -720,7 +720,7 @@ descend_to_keyring: if ((shortcut->index_key[0] & ASSOC_ARRAY_FAN_MASK) != 0) goto not_this_keyring; - ptr = ACCESS_ONCE(shortcut->next_node); + ptr = READ_ONCE(shortcut->next_node); node = assoc_array_ptr_to_node(ptr); goto begin_node; } @@ -740,7 +740,7 @@ descend_to_node: if (assoc_array_ptr_is_shortcut(ptr)) { shortcut = assoc_array_ptr_to_shortcut(ptr); smp_read_barrier_depends(); - ptr = ACCESS_ONCE(shortcut->next_node); + ptr = READ_ONCE(shortcut->next_node); BUG_ON(!assoc_array_ptr_is_node(ptr)); } node = assoc_array_ptr_to_node(ptr); @@ -752,7 +752,7 @@ begin_node: ascend_to_node: /* Go through the slots in a node */ for (; slot < ASSOC_ARRAY_FAN_OUT; slot++) { - ptr = ACCESS_ONCE(node->slots[slot]); + ptr = READ_ONCE(node->slots[slot]); if (assoc_array_ptr_is_meta(ptr) && node->back_pointer) goto descend_to_node; @@ -790,13 +790,13 @@ ascend_to_node: /* We've dealt with all the slots in the current node, so now we need * to ascend to the parent and continue processing there. */ - ptr = ACCESS_ONCE(node->back_pointer); + ptr = READ_ONCE(node->back_pointer); slot = node->parent_slot; if (ptr && assoc_array_ptr_is_shortcut(ptr)) { shortcut = assoc_array_ptr_to_shortcut(ptr); smp_read_barrier_depends(); - ptr = ACCESS_ONCE(shortcut->back_pointer); + ptr = READ_ONCE(shortcut->back_pointer); slot = shortcut->parent_slot; } if (!ptr) diff --git a/security/keys/process_keys.c b/security/keys/process_keys.c index 2217dfe..86bced9 100644 --- a/security/keys/process_keys.c +++ b/security/keys/process_keys.c @@ -809,15 +809,14 @@ long join_session_keyring(const char *name) ret = PTR_ERR(keyring); goto error2; } else if (keyring == new->session_keyring) { - key_put(keyring); ret = 0; - goto error2; + goto error3; } /* we've got a keyring - now to install it */ ret = install_session_keyring_to_cred(new, keyring); if (ret < 0) - goto error2; + goto error3; commit_creds(new); mutex_unlock(&key_session_mutex); @@ -827,6 +826,8 @@ long join_session_keyring(const char *name) okay: return ret; +error3: + key_put(keyring); error2: mutex_unlock(&key_session_mutex); error: diff --git a/security/keys/trusted.c b/security/keys/trusted.c index 2ae31c5..435e86e 100644 --- a/security/keys/trusted.c +++ b/security/keys/trusted.c @@ -70,7 +70,7 @@ static int TSS_sha1(const unsigned char *data, unsigned int datalen, } ret = crypto_shash_digest(&sdesc->shash, data, datalen, digest); - kfree(sdesc); + kzfree(sdesc); return ret; } @@ -114,7 +114,7 @@ static int TSS_rawhmac(unsigned char *digest, const unsigned char *key, if (!ret) ret = crypto_shash_final(&sdesc->shash, digest); out: - kfree(sdesc); + kzfree(sdesc); return ret; } @@ -165,7 +165,7 @@ static int TSS_authhmac(unsigned char *digest, const unsigned char *key, paramdigest, TPM_NONCE_SIZE, h1, TPM_NONCE_SIZE, h2, 1, &c, 0, 0); out: - kfree(sdesc); + kzfree(sdesc); return ret; } @@ -246,7 +246,7 @@ static int TSS_checkhmac1(unsigned char *buffer, if (memcmp(testhmac, authdata, SHA1_DIGEST_SIZE)) ret = -EINVAL; out: - kfree(sdesc); + kzfree(sdesc); return ret; } @@ -347,7 +347,7 @@ static int TSS_checkhmac2(unsigned char *buffer, if (memcmp(testhmac2, authdata2, SHA1_DIGEST_SIZE)) ret = -EINVAL; out: - kfree(sdesc); + kzfree(sdesc); return ret; } @@ -564,7 +564,7 @@ static int tpm_seal(struct tpm_buf *tb, uint16_t keytype, *bloblen = storedsize; } out: - kfree(td); + kzfree(td); return ret; } @@ -678,7 +678,7 @@ static int key_seal(struct trusted_key_payload *p, if (ret < 0) pr_info("trusted_key: srkseal failed (%d)\n", ret); - kfree(tb); + kzfree(tb); return ret; } @@ -703,7 +703,7 @@ static int key_unseal(struct trusted_key_payload *p, /* pull migratable flag out of sealed key */ p->migratable = p->key[--p->key_len]; - kfree(tb); + kzfree(tb); return ret; } @@ -1037,12 +1037,12 @@ static int trusted_instantiate(struct key *key, if (!ret && options->pcrlock) ret = pcrlock(options->pcrlock); out: - kfree(datablob); - kfree(options); + kzfree(datablob); + kzfree(options); if (!ret) rcu_assign_keypointer(key, payload); else - kfree(payload); + kzfree(payload); return ret; } @@ -1051,8 +1051,7 @@ static void trusted_rcu_free(struct rcu_head *rcu) struct trusted_key_payload *p; p = container_of(rcu, struct trusted_key_payload, rcu); - memset(p->key, 0, p->key_len); - kfree(p); + kzfree(p); } /* @@ -1094,13 +1093,13 @@ static int trusted_update(struct key *key, struct key_preparsed_payload *prep) ret = datablob_parse(datablob, new_p, new_o); if (ret != Opt_update) { ret = -EINVAL; - kfree(new_p); + kzfree(new_p); goto out; } if (!new_o->keyhandle) { ret = -EINVAL; - kfree(new_p); + kzfree(new_p); goto out; } @@ -1114,22 +1113,22 @@ static int trusted_update(struct key *key, struct key_preparsed_payload *prep) ret = key_seal(new_p, new_o); if (ret < 0) { pr_info("trusted_key: key_seal failed (%d)\n", ret); - kfree(new_p); + kzfree(new_p); goto out; } if (new_o->pcrlock) { ret = pcrlock(new_o->pcrlock); if (ret < 0) { pr_info("trusted_key: pcrlock failed (%d)\n", ret); - kfree(new_p); + kzfree(new_p); goto out; } } rcu_assign_keypointer(key, new_p); call_rcu(&p->rcu, trusted_rcu_free); out: - kfree(datablob); - kfree(new_o); + kzfree(datablob); + kzfree(new_o); return ret; } @@ -1158,24 +1157,19 @@ static long trusted_read(const struct key *key, char __user *buffer, for (i = 0; i < p->blob_len; i++) bufp = hex_byte_pack(bufp, p->blob[i]); if ((copy_to_user(buffer, ascii_buf, 2 * p->blob_len)) != 0) { - kfree(ascii_buf); + kzfree(ascii_buf); return -EFAULT; } - kfree(ascii_buf); + kzfree(ascii_buf); return 2 * p->blob_len; } /* - * trusted_destroy - before freeing the key, clear the decrypted data + * trusted_destroy - clear and free the key's payload */ static void trusted_destroy(struct key *key) { - struct trusted_key_payload *p = key->payload.data[0]; - - if (!p) - return; - memset(p->key, 0, p->key_len); - kfree(key->payload.data[0]); + kzfree(key->payload.data[0]); } struct key_type key_type_trusted = { diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c index 2660513..3d8c68e 100644 --- a/security/keys/user_defined.c +++ b/security/keys/user_defined.c @@ -86,10 +86,18 @@ EXPORT_SYMBOL_GPL(user_preparse); */ void user_free_preparse(struct key_preparsed_payload *prep) { - kfree(prep->payload.data[0]); + kzfree(prep->payload.data[0]); } EXPORT_SYMBOL_GPL(user_free_preparse); +static void user_free_payload_rcu(struct rcu_head *head) +{ + struct user_key_payload *payload; + + payload = container_of(head, struct user_key_payload, rcu); + kzfree(payload); +} + /* * update a user defined key * - the key's semaphore is write-locked @@ -112,7 +120,7 @@ int user_update(struct key *key, struct key_preparsed_payload *prep) prep->payload.data[0] = NULL; if (zap) - kfree_rcu(zap, rcu); + call_rcu(&zap->rcu, user_free_payload_rcu); return ret; } EXPORT_SYMBOL_GPL(user_update); @@ -130,7 +138,7 @@ void user_revoke(struct key *key) if (upayload) { rcu_assign_keypointer(key, NULL); - kfree_rcu(upayload, rcu); + call_rcu(&upayload->rcu, user_free_payload_rcu); } } @@ -143,7 +151,7 @@ void user_destroy(struct key *key) { struct user_key_payload *upayload = key->payload.data[0]; - kfree(upayload); + kzfree(upayload); } EXPORT_SYMBOL_GPL(user_destroy); diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index e67a526..819fd68 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1106,10 +1106,8 @@ static int selinux_parse_opts_str(char *options, opts->mnt_opts_flags = kcalloc(NUM_SEL_MNT_OPTS, sizeof(int), GFP_KERNEL); - if (!opts->mnt_opts_flags) { - kfree(opts->mnt_opts); + if (!opts->mnt_opts_flags) goto out_err; - } if (fscontext) { opts->mnt_opts[num_mnt_opts] = fscontext; @@ -1132,6 +1130,7 @@ static int selinux_parse_opts_str(char *options, return 0; out_err: + security_free_mnt_opts(opts); kfree(context); kfree(defcontext); kfree(fscontext); diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 5088d4b..009e6c9 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -2492,7 +2492,7 @@ static int pcm_chmap_ctl_get(struct snd_kcontrol *kcontrol, struct snd_pcm_substream *substream; const struct snd_pcm_chmap_elem *map; - if (snd_BUG_ON(!info->chmap)) + if (!info->chmap) return -EINVAL; substream = snd_pcm_chmap_substream(info, idx); if (!substream) @@ -2524,7 +2524,7 @@ static int pcm_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag, unsigned int __user *dst; int c, count = 0; - if (snd_BUG_ON(!info->chmap)) + if (!info->chmap) return -EINVAL; if (size < 8) return -ENOMEM; diff --git a/sound/core/timer.c b/sound/core/timer.c index 2f836ca..cd67d1c 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -1618,6 +1618,7 @@ static int snd_timer_user_tselect(struct file *file, if (err < 0) goto __err; + tu->qhead = tu->qtail = tu->qused = 0; kfree(tu->queue); tu->queue = NULL; kfree(tu->tqueue); @@ -1959,6 +1960,7 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, tu = file->private_data; unit = tu->tread ? sizeof(struct snd_timer_tread) : sizeof(struct snd_timer_read); + mutex_lock(&tu->ioctl_lock); spin_lock_irq(&tu->qlock); while ((long)count - result >= unit) { while (!tu->qused) { @@ -1974,7 +1976,9 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, add_wait_queue(&tu->qchange_sleep, &wait); spin_unlock_irq(&tu->qlock); + mutex_unlock(&tu->ioctl_lock); schedule(); + mutex_lock(&tu->ioctl_lock); spin_lock_irq(&tu->qlock); remove_wait_queue(&tu->qchange_sleep, &wait); @@ -1994,7 +1998,6 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, tu->qused--; spin_unlock_irq(&tu->qlock); - mutex_lock(&tu->ioctl_lock); if (tu->tread) { if (copy_to_user(buffer, &tu->tqueue[qhead], sizeof(struct snd_timer_tread))) @@ -2004,7 +2007,6 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, sizeof(struct snd_timer_read))) err = -EFAULT; } - mutex_unlock(&tu->ioctl_lock); spin_lock_irq(&tu->qlock); if (err < 0) @@ -2014,6 +2016,7 @@ static ssize_t snd_timer_user_read(struct file *file, char __user *buffer, } _error: spin_unlock_irq(&tu->qlock); + mutex_unlock(&tu->ioctl_lock); return result > 0 ? result : err; } diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c index 9e6f54f..1e26854 100644 --- a/sound/firewire/amdtp-stream.c +++ b/sound/firewire/amdtp-stream.c @@ -682,7 +682,9 @@ static void out_stream_callback(struct fw_iso_context *context, u32 tstamp, cycle = increment_cycle_count(cycle, 1); if (s->handle_packet(s, 0, cycle, i) < 0) { s->packet_index = -1; - amdtp_stream_pcm_abort(s); + if (in_interrupt()) + amdtp_stream_pcm_abort(s); + WRITE_ONCE(s->pcm_buffer_pointer, SNDRV_PCM_POS_XRUN); return; } } @@ -734,7 +736,9 @@ static void in_stream_callback(struct fw_iso_context *context, u32 tstamp, /* Queueing error or detecting invalid payload. */ if (i < packets) { s->packet_index = -1; - amdtp_stream_pcm_abort(s); + if (in_interrupt()) + amdtp_stream_pcm_abort(s); + WRITE_ONCE(s->pcm_buffer_pointer, SNDRV_PCM_POS_XRUN); return; } diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h index 7e88317..ea1a91e 100644 --- a/sound/firewire/amdtp-stream.h +++ b/sound/firewire/amdtp-stream.h @@ -135,7 +135,7 @@ struct amdtp_stream { /* For a PCM substream processing. */ struct snd_pcm_substream *pcm; struct tasklet_struct period_tasklet; - unsigned int pcm_buffer_pointer; + snd_pcm_uframes_t pcm_buffer_pointer; unsigned int pcm_period_pointer; /* To wait for first packet. */ diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index d6fb2d5..60ce1cf 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -295,6 +295,8 @@ struct hda_codec { #define list_for_each_codec(c, bus) \ list_for_each_entry(c, &(bus)->core.codec_list, core.list) +#define list_for_each_codec_safe(c, n, bus) \ + list_for_each_entry_safe(c, n, &(bus)->core.codec_list, core.list) /* snd_hda_codec_read/write optional flags */ #define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0) diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c index 3715a57..1c60beb 100644 --- a/sound/pci/hda/hda_controller.c +++ b/sound/pci/hda/hda_controller.c @@ -1337,8 +1337,12 @@ EXPORT_SYMBOL_GPL(azx_probe_codecs); /* configure each codec instance */ int azx_codec_configure(struct azx *chip) { - struct hda_codec *codec; - list_for_each_codec(codec, &chip->bus) { + struct hda_codec *codec, *next; + + /* use _safe version here since snd_hda_codec_configure() deregisters + * the device upon error and deletes itself from the bus list. + */ + list_for_each_codec_safe(codec, next, &chip->bus) { snd_hda_codec_configure(codec); } return 0; diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 2842c82..71545b5 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -3174,6 +3174,7 @@ static int check_dyn_adc_switch(struct hda_codec *codec) spec->input_paths[i][nums]); spec->input_paths[i][nums] = spec->input_paths[i][n]; + spec->input_paths[i][n] = 0; } } nums++; diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 1770f08..01eb1dc 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -370,10 +370,12 @@ enum { #define IS_KBL_LP(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x9d71) #define IS_KBL_H(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa2f0) #define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98) +#define IS_BXT_T(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x1a98) #define IS_GLK(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x3198) -#define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci)) || \ - IS_KBL(pci) || IS_KBL_LP(pci) || IS_KBL_H(pci) || \ - IS_GLK(pci) +#define IS_CFL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa348) +#define IS_SKL_PLUS(pci) (IS_SKL(pci) || IS_SKL_LP(pci) || IS_BXT(pci) || \ + IS_BXT_T(pci) || IS_KBL(pci) || IS_KBL_LP(pci) || \ + IS_KBL_H(pci) || IS_GLK(pci) || IS_CFL(pci)) static char *driver_short_names[] = { [AZX_DRIVER_ICH] = "HDA Intel", @@ -2378,6 +2380,9 @@ static const struct pci_device_id azx_ids[] = { /* Kabylake-H */ { PCI_DEVICE(0x8086, 0xa2f0), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE }, + /* Coffelake */ + { PCI_DEVICE(0x8086, 0xa348), + .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_SKYLAKE}, /* Broxton-P(Apollolake) */ { PCI_DEVICE(0x8086, 0x5a98), .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON }, diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 918e452..cbeebc0 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2324,11 +2324,11 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x106b, 0x4a00, "Macbook 5,2", ALC889_FIXUP_MBA11_VREF), SND_PCI_QUIRK(0x1071, 0x8258, "Evesham Voyaeger", ALC882_FIXUP_EAPD), - SND_PCI_QUIRK(0x1462, 0x7350, "MSI-7350", ALC889_FIXUP_CD), - SND_PCI_QUIRK_VENDOR(0x1462, "MSI", ALC882_FIXUP_GPIO3), SND_PCI_QUIRK(0x1458, 0xa002, "Gigabyte EP45-DS3/Z87X-UD3H", ALC889_FIXUP_FRONT_HP_NO_PRESENCE), SND_PCI_QUIRK(0x1458, 0xa0b8, "Gigabyte AZ370-Gaming", ALC1220_FIXUP_GB_DUAL_CODECS), + SND_PCI_QUIRK(0x1462, 0x7350, "MSI-7350", ALC889_FIXUP_CD), SND_PCI_QUIRK(0x1462, 0xda57, "MSI Z270-Gaming", ALC1220_FIXUP_GB_DUAL_CODECS), + SND_PCI_QUIRK_VENDOR(0x1462, "MSI", ALC882_FIXUP_GPIO3), SND_PCI_QUIRK(0x147b, 0x107a, "Abit AW9D-MAX", ALC882_FIXUP_ABIT_AW9D_MAX), SND_PCI_QUIRK_VENDOR(0x1558, "Clevo laptop", ALC882_FIXUP_EAPD), SND_PCI_QUIRK(0x161f, 0x2054, "Medion laptop", ALC883_FIXUP_EAPD), @@ -5854,7 +5854,11 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1043, 0x103f, "ASUS TX300", ALC282_FIXUP_ASUS_TX300), SND_PCI_QUIRK(0x1043, 0x106d, "Asus K53BE", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x1043, 0x10c0, "ASUS X540SA", ALC256_FIXUP_ASUS_MIC), + SND_PCI_QUIRK(0x1043, 0x10d0, "ASUS X540LA/X540LJ", ALC255_FIXUP_ASUS_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1043, 0x115d, "Asus 1015E", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), + SND_PCI_QUIRK(0x1043, 0x11c0, "ASUS X556UR", ALC255_FIXUP_ASUS_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1043, 0x1290, "ASUS X441SA", ALC233_FIXUP_EAPD_COEF_AND_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1043, 0x12a0, "ASUS X441UV", ALC233_FIXUP_EAPD_COEF_AND_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1043, 0x12f0, "ASUS X541UV", ALC256_FIXUP_ASUS_MIC), SND_PCI_QUIRK(0x1043, 0x12e0, "ASUS X541SA", ALC256_FIXUP_ASUS_MIC), SND_PCI_QUIRK(0x1043, 0x13b0, "ASUS Z550SA", ALC256_FIXUP_ASUS_MIC), @@ -5862,13 +5866,10 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1043, 0x1517, "Asus Zenbook UX31A", ALC269VB_FIXUP_ASUS_ZENBOOK_UX31A), SND_PCI_QUIRK(0x1043, 0x16e3, "ASUS UX50", ALC269_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x1043, 0x1a13, "Asus G73Jw", ALC269_FIXUP_ASUS_G73JW), + SND_PCI_QUIRK(0x1043, 0x1a30, "ASUS X705UD", ALC256_FIXUP_ASUS_MIC), SND_PCI_QUIRK(0x1043, 0x1b13, "Asus U41SV", ALC269_FIXUP_INV_DMIC), - SND_PCI_QUIRK(0x1043, 0x1c23, "Asus X55U", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x1043, 0x1bbd, "ASUS Z550MA", ALC255_FIXUP_ASUS_MIC_NO_PRESENCE), - SND_PCI_QUIRK(0x1043, 0x10d0, "ASUS X540LA/X540LJ", ALC255_FIXUP_ASUS_MIC_NO_PRESENCE), - SND_PCI_QUIRK(0x1043, 0x11c0, "ASUS X556UR", ALC255_FIXUP_ASUS_MIC_NO_PRESENCE), - SND_PCI_QUIRK(0x1043, 0x1290, "ASUS X441SA", ALC233_FIXUP_EAPD_COEF_AND_MIC_NO_PRESENCE), - SND_PCI_QUIRK(0x1043, 0x12a0, "ASUS X441UV", ALC233_FIXUP_EAPD_COEF_AND_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1043, 0x1c23, "Asus X55U", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x1043, 0x1ccd, "ASUS X555UB", ALC256_FIXUP_ASUS_MIC), SND_PCI_QUIRK(0x1043, 0x3030, "ASUS ZN270IE", ALC256_FIXUP_ASUS_AIO_GPIO2), SND_PCI_QUIRK(0x1043, 0x831a, "ASUS P901", ALC269_FIXUP_STEREO_DMIC), diff --git a/sound/soc/atmel/atmel-classd.c b/sound/soc/atmel/atmel-classd.c index 7ae46c2..b7ef8c5 100644 --- a/sound/soc/atmel/atmel-classd.c +++ b/sound/soc/atmel/atmel-classd.c @@ -301,6 +301,14 @@ static int atmel_classd_codec_probe(struct snd_soc_codec *codec) return 0; } +static int atmel_classd_codec_resume(struct snd_soc_codec *codec) +{ + struct snd_soc_card *card = snd_soc_codec_get_drvdata(codec); + struct atmel_classd *dd = snd_soc_card_get_drvdata(card); + + return regcache_sync(dd->regmap); +} + static struct regmap *atmel_classd_codec_get_remap(struct device *dev) { return dev_get_regmap(dev, NULL); @@ -308,6 +316,7 @@ static struct regmap *atmel_classd_codec_get_remap(struct device *dev) static struct snd_soc_codec_driver soc_codec_dev_classd = { .probe = atmel_classd_codec_probe, + .resume = atmel_classd_codec_resume, .get_regmap = atmel_classd_codec_get_remap, .component_driver = { .controls = atmel_classd_snd_controls, diff --git a/sound/soc/codecs/da7213.c b/sound/soc/codecs/da7213.c index 6dd7578..024d83f 100644 --- a/sound/soc/codecs/da7213.c +++ b/sound/soc/codecs/da7213.c @@ -772,7 +772,7 @@ static int da7213_dai_event(struct snd_soc_dapm_widget *w, ++i; msleep(50); } - } while ((i < DA7213_SRM_CHECK_RETRIES) & (!srm_lock)); + } while ((i < DA7213_SRM_CHECK_RETRIES) && (!srm_lock)); if (!srm_lock) dev_warn(codec->dev, "SRM failed to lock\n"); diff --git a/sound/soc/codecs/rt286.c b/sound/soc/codecs/rt286.c index 9c365a7..7899a2c 100644 --- a/sound/soc/codecs/rt286.c +++ b/sound/soc/codecs/rt286.c @@ -1108,6 +1108,13 @@ static const struct dmi_system_id force_combo_jack_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Kabylake Client platform") } }, + { + .ident = "Thinkpad Helix 2nd", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad Helix 2nd") + } + }, { } }; diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 2c9deda..bc136d2 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -202,7 +202,7 @@ static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd) if (ret < 0) return ret; - ret = asoc_simple_card_init_mic(rtd->card, &priv->hp_jack, PREFIX); + ret = asoc_simple_card_init_mic(rtd->card, &priv->mic_jack, PREFIX); if (ret < 0) return ret; diff --git a/sound/soc/intel/skylake/skl-sst-ipc.c b/sound/soc/intel/skylake/skl-sst-ipc.c index 58c5250..498b153 100644 --- a/sound/soc/intel/skylake/skl-sst-ipc.c +++ b/sound/soc/intel/skylake/skl-sst-ipc.c @@ -413,8 +413,11 @@ static void skl_ipc_process_reply(struct sst_generic_ipc *ipc, u32 reply = header.primary & IPC_GLB_REPLY_STATUS_MASK; u64 *ipc_header = (u64 *)(&header); struct skl_sst *skl = container_of(ipc, struct skl_sst, ipc); + unsigned long flags; + spin_lock_irqsave(&ipc->dsp->spinlock, flags); msg = skl_ipc_reply_get_msg(ipc, *ipc_header); + spin_unlock_irqrestore(&ipc->dsp->spinlock, flags); if (msg == NULL) { dev_dbg(ipc->dev, "ipc: rx list is empty\n"); return; @@ -456,8 +459,10 @@ static void skl_ipc_process_reply(struct sst_generic_ipc *ipc, } } + spin_lock_irqsave(&ipc->dsp->spinlock, flags); list_del(&msg->list); sst_ipc_tx_msg_reply_complete(ipc, msg); + spin_unlock_irqrestore(&ipc->dsp->spinlock, flags); } irqreturn_t skl_dsp_irq_thread_handler(int irq, void *context) diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index 3a99712..64a0f8e 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -2502,7 +2502,7 @@ static int skl_tplg_get_manifest_tkn(struct device *dev, if (ret < 0) return ret; - tkn_count += ret; + tkn_count = ret; tuple_size += tkn_count * sizeof(struct snd_soc_tplg_vendor_string_elem); diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index 6df3b31..4c9b578 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -410,7 +410,7 @@ static int skl_free(struct hdac_ext_bus *ebus) struct skl *skl = ebus_to_skl(ebus); struct hdac_bus *bus = ebus_to_hbus(ebus); - skl->init_failed = 1; /* to be sure */ + skl->init_done = 0; /* to be sure */ snd_hdac_ext_stop_streams(ebus); @@ -428,8 +428,10 @@ static int skl_free(struct hdac_ext_bus *ebus) snd_hdac_ext_bus_exit(ebus); + cancel_work_sync(&skl->probe_work); if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) snd_hdac_i915_exit(&ebus->bus); + return 0; } @@ -566,6 +568,84 @@ static const struct hdac_bus_ops bus_core_ops = { .get_response = snd_hdac_bus_get_response, }; +static int skl_i915_init(struct hdac_bus *bus) +{ + int err; + + /* + * The HDMI codec is in GPU so we need to ensure that it is powered + * up and ready for probe + */ + err = snd_hdac_i915_init(bus); + if (err < 0) + return err; + + err = snd_hdac_display_power(bus, true); + if (err < 0) + dev_err(bus->dev, "Cannot turn on display power on i915\n"); + + return err; +} + +static void skl_probe_work(struct work_struct *work) +{ + struct skl *skl = container_of(work, struct skl, probe_work); + struct hdac_ext_bus *ebus = &skl->ebus; + struct hdac_bus *bus = ebus_to_hbus(ebus); + struct hdac_ext_link *hlink = NULL; + int err; + + if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) { + err = skl_i915_init(bus); + if (err < 0) + return; + } + + err = skl_init_chip(bus, true); + if (err < 0) { + dev_err(bus->dev, "Init chip failed with err: %d\n", err); + goto out_err; + } + + /* codec detection */ + if (!bus->codec_mask) + dev_info(bus->dev, "no hda codecs found!\n"); + + /* create codec instances */ + err = skl_codec_create(ebus); + if (err < 0) + goto out_err; + + if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) { + err = snd_hdac_display_power(bus, false); + if (err < 0) { + dev_err(bus->dev, "Cannot turn off display power on i915\n"); + return; + } + } + + /* register platform dai and controls */ + err = skl_platform_register(bus->dev); + if (err < 0) + return; + /* + * we are done probing so decrement link counts + */ + list_for_each_entry(hlink, &ebus->hlink_list, list) + snd_hdac_ext_bus_link_put(ebus, hlink); + + /* configure PM */ + pm_runtime_put_noidle(bus->dev); + pm_runtime_allow(bus->dev); + skl->init_done = 1; + + return; + +out_err: + if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) + err = snd_hdac_display_power(bus, false); +} + /* * constructor */ @@ -593,6 +673,7 @@ static int skl_create(struct pci_dev *pci, snd_hdac_ext_bus_init(ebus, &pci->dev, &bus_core_ops, io_ops); ebus->bus.use_posbuf = 1; skl->pci = pci; + INIT_WORK(&skl->probe_work, skl_probe_work); ebus->bus.bdl_pos_adj = 0; @@ -601,27 +682,6 @@ static int skl_create(struct pci_dev *pci, return 0; } -static int skl_i915_init(struct hdac_bus *bus) -{ - int err; - - /* - * The HDMI codec is in GPU so we need to ensure that it is powered - * up and ready for probe - */ - err = snd_hdac_i915_init(bus); - if (err < 0) - return err; - - err = snd_hdac_display_power(bus, true); - if (err < 0) { - dev_err(bus->dev, "Cannot turn on display power on i915\n"); - return err; - } - - return err; -} - static int skl_first_init(struct hdac_ext_bus *ebus) { struct skl *skl = ebus_to_skl(ebus); @@ -684,20 +744,7 @@ static int skl_first_init(struct hdac_ext_bus *ebus) /* initialize chip */ skl_init_pci(skl); - if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) { - err = skl_i915_init(bus); - if (err < 0) - return err; - } - - skl_init_chip(bus, true); - - /* codec detection */ - if (!bus->codec_mask) { - dev_info(bus->dev, "no hda codecs found!\n"); - } - - return 0; + return skl_init_chip(bus, true); } static int skl_probe(struct pci_dev *pci, @@ -706,7 +753,6 @@ static int skl_probe(struct pci_dev *pci, struct skl *skl; struct hdac_ext_bus *ebus = NULL; struct hdac_bus *bus = NULL; - struct hdac_ext_link *hlink = NULL; int err; /* we use ext core ops, so provide NULL for ops here */ @@ -729,7 +775,7 @@ static int skl_probe(struct pci_dev *pci, if (skl->nhlt == NULL) { err = -ENODEV; - goto out_display_power_off; + goto out_free; } err = skl_nhlt_create_sysfs(skl); @@ -760,56 +806,24 @@ static int skl_probe(struct pci_dev *pci, if (bus->mlcap) snd_hdac_ext_bus_get_ml_capabilities(ebus); + snd_hdac_bus_stop_chip(bus); + /* create device for soc dmic */ err = skl_dmic_device_register(skl); if (err < 0) goto out_dsp_free; - /* register platform dai and controls */ - err = skl_platform_register(bus->dev); - if (err < 0) - goto out_dmic_free; - - /* create codec instances */ - err = skl_codec_create(ebus); - if (err < 0) - goto out_unregister; - - if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) { - err = snd_hdac_display_power(bus, false); - if (err < 0) { - dev_err(bus->dev, "Cannot turn off display power on i915\n"); - return err; - } - } - - /* - * we are done probling so decrement link counts - */ - list_for_each_entry(hlink, &ebus->hlink_list, list) - snd_hdac_ext_bus_link_put(ebus, hlink); - - /* configure PM */ - pm_runtime_put_noidle(bus->dev); - pm_runtime_allow(bus->dev); + schedule_work(&skl->probe_work); return 0; -out_unregister: - skl_platform_unregister(bus->dev); -out_dmic_free: - skl_dmic_device_unregister(skl); out_dsp_free: skl_free_dsp(skl); out_mach_free: skl_machine_device_unregister(skl); out_nhlt_free: skl_nhlt_free(skl->nhlt); -out_display_power_off: - if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) - snd_hdac_display_power(bus, false); out_free: - skl->init_failed = 1; skl_free(ebus); return err; @@ -828,7 +842,7 @@ static void skl_shutdown(struct pci_dev *pci) skl = ebus_to_skl(ebus); - if (skl->init_failed) + if (!skl->init_done) return; snd_hdac_ext_stop_streams(ebus); diff --git a/sound/soc/intel/skylake/skl.h b/sound/soc/intel/skylake/skl.h index a454f60..2a630fc 100644 --- a/sound/soc/intel/skylake/skl.h +++ b/sound/soc/intel/skylake/skl.h @@ -46,7 +46,7 @@ struct skl { struct hdac_ext_bus ebus; struct pci_dev *pci; - unsigned int init_failed:1; /* delayed init failed */ + unsigned int init_done:1; /* delayed init status */ struct platform_device *dmic_dev; struct platform_device *i2s_dev; struct snd_soc_platform *platform; @@ -64,6 +64,8 @@ struct skl { const struct firmware *tplg; int supend_active; + + struct work_struct probe_work; }; #define skl_to_ebus(s) (&(s)->ebus) diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c index 66203d1..d3b0dc1 100644 --- a/sound/soc/sh/rcar/adg.c +++ b/sound/soc/sh/rcar/adg.c @@ -507,7 +507,8 @@ static void rsnd_adg_get_clkout(struct rsnd_priv *priv, rbga = rbgx; adg->rbga_rate_for_441khz = rate / div; ckr |= brg_table[i] << 20; - if (req_441kHz_rate) + if (req_441kHz_rate && + !(adg_mode_flags(adg) & AUDIO_OUT_48)) parent_clk_name = __clk_get_name(clk); } } @@ -522,7 +523,8 @@ static void rsnd_adg_get_clkout(struct rsnd_priv *priv, rbgb = rbgx; adg->rbgb_rate_for_48khz = rate / div; ckr |= brg_table[i] << 16; - if (req_48kHz_rate) + if (req_48kHz_rate && + (adg_mode_flags(adg) & AUDIO_OUT_48)) parent_clk_name = __clk_get_name(clk); } } diff --git a/sound/soc/sh/rcar/cmd.c b/sound/soc/sh/rcar/cmd.c index 7d92a24..d879c01 100644 --- a/sound/soc/sh/rcar/cmd.c +++ b/sound/soc/sh/rcar/cmd.c @@ -89,6 +89,7 @@ static int rsnd_cmd_init(struct rsnd_mod *mod, dev_dbg(dev, "ctu/mix path = 0x%08x", data); rsnd_mod_write(mod, CMD_ROUTE_SLCT, data); + rsnd_mod_write(mod, CMD_BUSIF_MODE, rsnd_get_busif_shift(io, mod) | 1); rsnd_mod_write(mod, CMD_BUSIF_DALIGN, rsnd_get_dalign(mod, io)); rsnd_adg_set_cmd_timsel_gen2(mod, io); diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index 1744015..8c1f4e2 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -343,6 +343,57 @@ u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io) return 0x76543210; } +u32 rsnd_get_busif_shift(struct rsnd_dai_stream *io, struct rsnd_mod *mod) +{ + enum rsnd_mod_type playback_mods[] = { + RSND_MOD_SRC, + RSND_MOD_CMD, + RSND_MOD_SSIU, + }; + enum rsnd_mod_type capture_mods[] = { + RSND_MOD_CMD, + RSND_MOD_SRC, + RSND_MOD_SSIU, + }; + struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); + struct rsnd_mod *tmod = NULL; + enum rsnd_mod_type *mods = + rsnd_io_is_play(io) ? + playback_mods : capture_mods; + int i; + + /* + * This is needed for 24bit data + * We need to shift 8bit + * + * Linux 24bit data is located as 0x00****** + * HW 24bit data is located as 0x******00 + * + */ + switch (runtime->sample_bits) { + case 16: + return 0; + case 32: + break; + } + + for (i = 0; i < ARRAY_SIZE(playback_mods); i++) { + tmod = rsnd_io_to_mod(io, mods[i]); + if (tmod) + break; + } + + if (tmod != mod) + return 0; + + if (rsnd_io_is_play(io)) + return (0 << 20) | /* shift to Left */ + (8 << 16); /* 8bit */ + else + return (1 << 20) | /* shift to Right */ + (8 << 16); /* 8bit */ +} + /* * rsnd_dai functions */ diff --git a/sound/soc/sh/rcar/gen.c b/sound/soc/sh/rcar/gen.c index 63b6d3c..4b09807 100644 --- a/sound/soc/sh/rcar/gen.c +++ b/sound/soc/sh/rcar/gen.c @@ -236,6 +236,7 @@ static int rsnd_gen2_probe(struct rsnd_priv *priv) RSND_GEN_M_REG(SRC_ROUTE_MODE0, 0xc, 0x20), RSND_GEN_M_REG(SRC_CTRL, 0x10, 0x20), RSND_GEN_M_REG(SRC_INT_ENABLE0, 0x18, 0x20), + RSND_GEN_M_REG(CMD_BUSIF_MODE, 0x184, 0x20), RSND_GEN_M_REG(CMD_BUSIF_DALIGN,0x188, 0x20), RSND_GEN_M_REG(CMD_ROUTE_SLCT, 0x18c, 0x20), RSND_GEN_M_REG(CMD_CTRL, 0x190, 0x20), diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h index dbf4163..323af41 100644 --- a/sound/soc/sh/rcar/rsnd.h +++ b/sound/soc/sh/rcar/rsnd.h @@ -73,6 +73,7 @@ enum rsnd_reg { RSND_REG_SCU_SYS_INT_EN0, RSND_REG_SCU_SYS_INT_EN1, RSND_REG_CMD_CTRL, + RSND_REG_CMD_BUSIF_MODE, RSND_REG_CMD_BUSIF_DALIGN, RSND_REG_CMD_ROUTE_SLCT, RSND_REG_CMDOUT_TIMSEL, @@ -204,6 +205,7 @@ void rsnd_bset(struct rsnd_priv *priv, struct rsnd_mod *mod, enum rsnd_reg reg, u32 mask, u32 data); u32 rsnd_get_adinr_bit(struct rsnd_mod *mod, struct rsnd_dai_stream *io); u32 rsnd_get_dalign(struct rsnd_mod *mod, struct rsnd_dai_stream *io); +u32 rsnd_get_busif_shift(struct rsnd_dai_stream *io, struct rsnd_mod *mod); /* * R-Car DMA diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c index 20b5b2e..76a477a 100644 --- a/sound/soc/sh/rcar/src.c +++ b/sound/soc/sh/rcar/src.c @@ -190,11 +190,13 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io, struct rsnd_priv *priv = rsnd_mod_to_priv(mod); struct device *dev = rsnd_priv_to_dev(priv); struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); + int is_play = rsnd_io_is_play(io); int use_src = 0; u32 fin, fout; u32 ifscr, fsrate, adinr; u32 cr, route; u32 bsdsr, bsisr; + u32 i_busif, o_busif, tmp; uint ratio; if (!runtime) @@ -270,6 +272,11 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io, break; } + /* BUSIF_MODE */ + tmp = rsnd_get_busif_shift(io, mod); + i_busif = ( is_play ? tmp : 0) | 1; + o_busif = (!is_play ? tmp : 0) | 1; + rsnd_mod_write(mod, SRC_ROUTE_MODE0, route); rsnd_mod_write(mod, SRC_SRCIR, 1); /* initialize */ @@ -281,8 +288,9 @@ static void rsnd_src_set_convert_rate(struct rsnd_dai_stream *io, rsnd_mod_write(mod, SRC_BSISR, bsisr); rsnd_mod_write(mod, SRC_SRCIR, 0); /* cancel initialize */ - rsnd_mod_write(mod, SRC_I_BUSIF_MODE, 1); - rsnd_mod_write(mod, SRC_O_BUSIF_MODE, 1); + rsnd_mod_write(mod, SRC_I_BUSIF_MODE, i_busif); + rsnd_mod_write(mod, SRC_O_BUSIF_MODE, o_busif); + rsnd_mod_write(mod, SRC_BUSIF_DALIGN, rsnd_get_dalign(mod, io)); rsnd_adg_set_src_timesel_gen2(mod, io, fin, fout); diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c index 135c566..91e5c07 100644 --- a/sound/soc/sh/rcar/ssi.c +++ b/sound/soc/sh/rcar/ssi.c @@ -302,7 +302,7 @@ static void rsnd_ssi_config_init(struct rsnd_mod *mod, * always use 32bit system word. * see also rsnd_ssi_master_clk_enable() */ - cr_own = FORCE | SWL_32 | PDTA; + cr_own = FORCE | SWL_32; if (rdai->bit_clk_inv) cr_own |= SCKP; @@ -550,6 +550,13 @@ static void __rsnd_ssi_interrupt(struct rsnd_mod *mod, struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io); u32 *buf = (u32 *)(runtime->dma_area + rsnd_dai_pointer_offset(io, 0)); + int shift = 0; + + switch (runtime->sample_bits) { + case 32: + shift = 8; + break; + } /* * 8/16/32 data can be assesse to TDR/RDR register @@ -557,9 +564,9 @@ static void __rsnd_ssi_interrupt(struct rsnd_mod *mod, * see rsnd_ssi_init() */ if (rsnd_io_is_play(io)) - rsnd_mod_write(mod, SSITDR, *buf); + rsnd_mod_write(mod, SSITDR, (*buf) << shift); else - *buf = rsnd_mod_read(mod, SSIRDR); + *buf = (rsnd_mod_read(mod, SSIRDR) >> shift); elapsed = rsnd_dai_pointer_update(io, sizeof(*buf)); } @@ -709,6 +716,11 @@ static int rsnd_ssi_dma_remove(struct rsnd_mod *mod, struct rsnd_priv *priv) { struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod); + struct rsnd_mod *ssi_parent_mod = rsnd_io_to_mod_ssip(io); + + /* Do nothing for SSI parent mod */ + if (ssi_parent_mod == mod) + return 0; /* PIO will request IRQ again */ free_irq(ssi->irq, mod); diff --git a/sound/soc/sh/rcar/ssiu.c b/sound/soc/sh/rcar/ssiu.c index 14fafda..512d238 100644 --- a/sound/soc/sh/rcar/ssiu.c +++ b/sound/soc/sh/rcar/ssiu.c @@ -144,7 +144,8 @@ static int rsnd_ssiu_init_gen2(struct rsnd_mod *mod, (rsnd_io_is_play(io) ? rsnd_runtime_channel_after_ctu(io) : rsnd_runtime_channel_original(io))); - rsnd_mod_write(mod, SSI_BUSIF_MODE, 1); + rsnd_mod_write(mod, SSI_BUSIF_MODE, + rsnd_get_busif_shift(io, mod) | 1); rsnd_mod_write(mod, SSI_BUSIF_DALIGN, rsnd_get_dalign(mod, io)); } diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index aae099c..754e3ef 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2286,6 +2286,9 @@ static int soc_cleanup_card_resources(struct snd_soc_card *card) list_for_each_entry(rtd, &card->rtd_list, list) flush_delayed_work(&rtd->delayed_work); + /* free the ALSA card at first; this syncs with pending operations */ + snd_card_free(card->snd_card); + /* remove and free each DAI */ soc_remove_dai_links(card); soc_remove_pcm_runtimes(card); @@ -2300,9 +2303,7 @@ static int soc_cleanup_card_resources(struct snd_soc_card *card) if (card->remove) card->remove(card); - snd_card_free(card->snd_card); return 0; - } /* removes a socdev */ diff --git a/sound/usb/mixer_us16x08.c b/sound/usb/mixer_us16x08.c index dc48eed..26ed23b 100644 --- a/sound/usb/mixer_us16x08.c +++ b/sound/usb/mixer_us16x08.c @@ -698,16 +698,18 @@ static int snd_us16x08_meter_get(struct snd_kcontrol *kcontrol, struct snd_usb_audio *chip = elem->head.mixer->chip; struct snd_us16x08_meter_store *store = elem->private_data; u8 meter_urb[64]; - char tmp[sizeof(mix_init_msg2)] = {0}; switch (kcontrol->private_value) { - case 0: - snd_us16x08_send_urb(chip, (char *)mix_init_msg1, - sizeof(mix_init_msg1)); + case 0: { + char tmp[sizeof(mix_init_msg1)]; + + memcpy(tmp, mix_init_msg1, sizeof(mix_init_msg1)); + snd_us16x08_send_urb(chip, tmp, 4); snd_us16x08_recv_urb(chip, meter_urb, sizeof(meter_urb)); kcontrol->private_value++; break; + } case 1: snd_us16x08_recv_urb(chip, meter_urb, sizeof(meter_urb)); @@ -718,15 +720,18 @@ static int snd_us16x08_meter_get(struct snd_kcontrol *kcontrol, sizeof(meter_urb)); kcontrol->private_value++; break; - case 3: + case 3: { + char tmp[sizeof(mix_init_msg2)]; + memcpy(tmp, mix_init_msg2, sizeof(mix_init_msg2)); tmp[2] = snd_get_meter_comp_index(store); - snd_us16x08_send_urb(chip, tmp, sizeof(mix_init_msg2)); + snd_us16x08_send_urb(chip, tmp, 10); snd_us16x08_recv_urb(chip, meter_urb, sizeof(meter_urb)); kcontrol->private_value = 0; break; } + } for (set = 0; set < 6; set++) get_meter_levels_from_urb(set, store, meter_urb); @@ -1135,7 +1140,7 @@ static const struct snd_us16x08_control_params eq_controls[] = { .control_id = SND_US16X08_ID_EQLOWMIDWIDTH, .type = USB_MIXER_U8, .num_channels = 16, - .name = "EQ MidQLow Q", + .name = "EQ MidLow Q", }, { /* EQ mid high gain */ .kcontrol_new = &snd_us16x08_eq_gain_ctl, diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c index 282a603..5f66697f 100644 --- a/tools/objtool/builtin-check.c +++ b/tools/objtool/builtin-check.c @@ -192,7 +192,8 @@ static int __dead_end_function(struct objtool_file *file, struct symbol *func, "complete_and_exit", "kvm_spurious_fault", "__reiserfs_panic", - "lbug_with_loc" + "lbug_with_loc", + "fortify_panic", }; if (func->bind == STB_WEAK) diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt index e6c9902..165c2b1 100644 --- a/tools/perf/Documentation/perf-probe.txt +++ b/tools/perf/Documentation/perf-probe.txt @@ -240,9 +240,13 @@ Add a probe on schedule() function 12th line with recording cpu local variable: or ./perf probe --add='schedule:12 cpu' - this will add one or more probes which has the name start with "schedule". +Add one or more probes which has the name start with "schedule". - Add probes on lines in schedule() function which calls update_rq_clock(). + ./perf probe schedule* + or + ./perf probe --add='schedule*' + +Add probes on lines in schedule() function which calls update_rq_clock(). ./perf probe 'schedule;update_rq_clock*' or diff --git a/tools/perf/Documentation/perf-script-perl.txt b/tools/perf/Documentation/perf-script-perl.txt index dfbb506..142606c 100644 --- a/tools/perf/Documentation/perf-script-perl.txt +++ b/tools/perf/Documentation/perf-script-perl.txt @@ -39,7 +39,7 @@ EVENT HANDLERS When perf script is invoked using a trace script, a user-defined 'handler function' is called for each event in the trace. If there's no handler function defined for a given event type, the event is -ignored (or passed to a 'trace_handled' function, see below) and the +ignored (or passed to a 'trace_unhandled' function, see below) and the next event is processed. Most of the event's field values are passed as arguments to the diff --git a/tools/perf/Documentation/perf-script-python.txt b/tools/perf/Documentation/perf-script-python.txt index 54acba2..51ec2d2 100644 --- a/tools/perf/Documentation/perf-script-python.txt +++ b/tools/perf/Documentation/perf-script-python.txt @@ -149,10 +149,8 @@ def raw_syscalls__sys_enter(event_name, context, common_cpu, print "id=%d, args=%s\n" % \ (id, args), -def trace_unhandled(event_name, context, common_cpu, common_secs, common_nsecs, - common_pid, common_comm): - print_header(event_name, common_cpu, common_secs, common_nsecs, - common_pid, common_comm) +def trace_unhandled(event_name, context, event_fields_dict): + print ' '.join(['%s=%s'%(k,str(v))for k,v in sorted(event_fields_dict.items())]) def print_header(event_name, cpu, secs, nsecs, pid, comm): print "%-20s %5u %05u.%09u %8u %-20s " % \ @@ -321,7 +319,7 @@ So those are the essential steps in writing and running a script. The process can be generalized to any tracepoint or set of tracepoints you're interested in - basically find the tracepoint(s) you're interested in by looking at the list of available events shown by -'perf list' and/or look in /sys/kernel/debug/tracing events for +'perf list' and/or look in /sys/kernel/debug/tracing/events/ for detailed event and field info, record the corresponding trace data using 'perf record', passing it the list of interesting events, generate a skeleton script using 'perf script -g python' and modify the @@ -334,7 +332,7 @@ right place, you can have your script listed alongside the other scripts listed by the 'perf script -l' command e.g.: ---- -root@tropicana:~# perf script -l +# perf script -l List of available trace scripts: wakeup-latency system-wide min/max/avg wakeup latency rw-by-file <comm> r/w activity for a program, by file @@ -383,8 +381,6 @@ source tree: ---- # ls -al kernel-source/tools/perf/scripts/python - -root@tropicana:/home/trz/src/tip# ls -al tools/perf/scripts/python total 32 drwxr-xr-x 4 trz trz 4096 2010-01-26 22:30 . drwxr-xr-x 4 trz trz 4096 2010-01-26 22:29 .. @@ -399,7 +395,7 @@ otherwise your script won't show up at run-time), 'perf script -l' should show a new entry for your script: ---- -root@tropicana:~# perf script -l +# perf script -l List of available trace scripts: wakeup-latency system-wide min/max/avg wakeup latency rw-by-file <comm> r/w activity for a program, by file @@ -437,7 +433,7 @@ EVENT HANDLERS When perf script is invoked using a trace script, a user-defined 'handler function' is called for each event in the trace. If there's no handler function defined for a given event type, the event is -ignored (or passed to a 'trace_handled' function, see below) and the +ignored (or passed to a 'trace_unhandled' function, see below) and the next event is processed. Most of the event's field values are passed as arguments to the @@ -532,7 +528,7 @@ can implement a set of optional functions: gives scripts a chance to do setup tasks: ---- -def trace_begin: +def trace_begin(): pass ---- @@ -541,7 +537,7 @@ def trace_begin: as display results: ---- -def trace_end: +def trace_end(): pass ---- @@ -550,8 +546,7 @@ def trace_end: of common arguments are passed into it: ---- -def trace_unhandled(event_name, context, common_cpu, common_secs, - common_nsecs, common_pid, common_comm): +def trace_unhandled(event_name, context, event_fields_dict): pass ---- diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 8354d04..1f4fbc9 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -19,18 +19,18 @@ CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS) include $(srctree)/tools/scripts/Makefile.arch -$(call detected_var,ARCH) +$(call detected_var,SRCARCH) NO_PERF_REGS := 1 # Additional ARCH settings for ppc -ifeq ($(ARCH),powerpc) +ifeq ($(SRCARCH),powerpc) NO_PERF_REGS := 0 LIBUNWIND_LIBS := -lunwind -lunwind-ppc64 endif # Additional ARCH settings for x86 -ifeq ($(ARCH),x86) +ifeq ($(SRCARCH),x86) $(call detected,CONFIG_X86) ifeq (${IS_64_BIT}, 1) CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -DHAVE_SYSCALL_TABLE -I$(OUTPUT)arch/x86/include/generated @@ -43,12 +43,12 @@ ifeq ($(ARCH),x86) NO_PERF_REGS := 0 endif -ifeq ($(ARCH),arm) +ifeq ($(SRCARCH),arm) NO_PERF_REGS := 0 LIBUNWIND_LIBS = -lunwind -lunwind-arm endif -ifeq ($(ARCH),arm64) +ifeq ($(SRCARCH),arm64) NO_PERF_REGS := 0 LIBUNWIND_LIBS = -lunwind -lunwind-aarch64 endif @@ -61,7 +61,7 @@ endif # Disable it on all other architectures in case libdw unwind # support is detected in system. Add supported architectures # to the check. -ifneq ($(ARCH),$(filter $(ARCH),x86 arm)) +ifneq ($(SRCARCH),$(filter $(SRCARCH),x86 arm)) NO_LIBDW_DWARF_UNWIND := 1 endif @@ -115,9 +115,9 @@ endif FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS) FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf -FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi +FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi -I$(srctree)/tools/include/uapi # include ARCH specific config --include $(src-perf)/arch/$(ARCH)/Makefile +-include $(src-perf)/arch/$(SRCARCH)/Makefile ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET @@ -228,12 +228,12 @@ ifeq ($(DEBUG),0) endif INC_FLAGS += -I$(src-perf)/util/include -INC_FLAGS += -I$(src-perf)/arch/$(ARCH)/include +INC_FLAGS += -I$(src-perf)/arch/$(SRCARCH)/include INC_FLAGS += -I$(srctree)/tools/include/uapi INC_FLAGS += -I$(srctree)/tools/include/ -INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/uapi -INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/ -INC_FLAGS += -I$(srctree)/tools/arch/$(ARCH)/ +INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/uapi +INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/include/ +INC_FLAGS += -I$(srctree)/tools/arch/$(SRCARCH)/ # $(obj-perf) for generated common-cmds.h # $(obj-perf)/util for generated bison/flex headers @@ -355,7 +355,7 @@ ifndef NO_LIBELF ifndef NO_DWARF ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) - msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled); + msg := $(warning DWARF register mappings have not been defined for architecture $(SRCARCH), DWARF support disabled); NO_DWARF := 1 else CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS) @@ -380,7 +380,7 @@ ifndef NO_LIBELF CFLAGS += -DHAVE_BPF_PROLOGUE $(call detected,CONFIG_BPF_PROLOGUE) else - msg := $(warning BPF prologue is not supported by architecture $(ARCH), missing regs_query_register_offset()); + msg := $(warning BPF prologue is not supported by architecture $(SRCARCH), missing regs_query_register_offset()); endif else msg := $(warning DWARF support is off, BPF prologue is disabled); @@ -406,7 +406,7 @@ ifdef PERF_HAVE_JITDUMP endif endif -ifeq ($(ARCH),powerpc) +ifeq ($(SRCARCH),powerpc) ifndef NO_DWARF CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX endif @@ -487,7 +487,7 @@ else endif ifndef NO_LOCAL_LIBUNWIND - ifeq ($(ARCH),$(filter $(ARCH),arm arm64)) + ifeq ($(SRCARCH),$(filter $(SRCARCH),arm arm64)) $(call feature_check,libunwind-debug-frame) ifneq ($(feature-libunwind-debug-frame), 1) msg := $(warning No debug_frame support found in libunwind); @@ -740,7 +740,7 @@ ifeq (${IS_64_BIT}, 1) NO_PERF_READ_VDSO32 := 1 endif endif - ifneq ($(ARCH), x86) + ifneq ($(SRCARCH), x86) NO_PERF_READ_VDSOX32 := 1 endif ifndef NO_PERF_READ_VDSOX32 @@ -769,7 +769,7 @@ ifdef LIBBABELTRACE endif ifndef NO_AUXTRACE - ifeq ($(ARCH),x86) + ifeq ($(SRCARCH),x86) ifeq ($(feature-get_cpuid), 0) msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc); NO_AUXTRACE := 1 @@ -872,7 +872,7 @@ sysconfdir = $(prefix)/etc ETC_PERFCONFIG = etc/perfconfig endif ifndef lib -ifeq ($(ARCH)$(IS_64_BIT), x861) +ifeq ($(SRCARCH)$(IS_64_BIT), x861) lib = lib64 else lib = lib diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index 79fe31f..5008f51 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -226,7 +226,7 @@ endif ifeq ($(config),0) include $(srctree)/tools/scripts/Makefile.arch --include arch/$(ARCH)/Makefile +-include arch/$(SRCARCH)/Makefile endif # The FEATURE_DUMP_EXPORT holds location of the actual diff --git a/tools/perf/arch/Build b/tools/perf/arch/Build index 109eb75..d9b6af8 100644 --- a/tools/perf/arch/Build +++ b/tools/perf/arch/Build @@ -1,2 +1,2 @@ libperf-y += common.o -libperf-y += $(ARCH)/ +libperf-y += $(SRCARCH)/ diff --git a/tools/perf/arch/common.c b/tools/perf/arch/common.c index 837067f..6b40e9f 100644 --- a/tools/perf/arch/common.c +++ b/tools/perf/arch/common.c @@ -26,6 +26,7 @@ const char *const arm64_triplets[] = { const char *const powerpc_triplets[] = { "powerpc-unknown-linux-gnu-", + "powerpc-linux-gnu-", "powerpc64-unknown-linux-gnu-", "powerpc64-linux-gnu-", "powerpc64le-linux-gnu-", diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index a935b50..ad9324d1 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -1578,6 +1578,7 @@ static void print_header(int argc, const char **argv) static void print_footer(void) { FILE *output = stat_config.output; + int n; if (!null_run) fprintf(output, "\n"); @@ -1590,7 +1591,9 @@ static void print_footer(void) } fprintf(output, "\n\n"); - if (print_free_counters_hint) + if (print_free_counters_hint && + sysctl__read_int("kernel/nmi_watchdog", &n) >= 0 && + n > 0) fprintf(output, "Some events weren't counted. Try disabling the NMI watchdog:\n" " echo 0 > /proc/sys/kernel/nmi_watchdog\n" diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index d014350..4b2a5d2 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -681,6 +681,10 @@ static struct syscall_fmt { { .name = "mlockall", .errmsg = true, .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, { .name = "mmap", .hexret = true, +/* The standard mmap maps to old_mmap on s390x */ +#if defined(__s390x__) + .alias = "old_mmap", +#endif .arg_scnprintf = { [0] = SCA_HEX, /* addr */ [2] = SCA_MMAP_PROT, /* prot */ [3] = SCA_MMAP_FLAGS, /* flags */ }, }, diff --git a/tools/perf/pmu-events/Build b/tools/perf/pmu-events/Build index 9213a12..999a4e8 100644 --- a/tools/perf/pmu-events/Build +++ b/tools/perf/pmu-events/Build @@ -2,7 +2,7 @@ hostprogs := jevents jevents-y += json.o jsmn.o jevents.o pmu-events-y += pmu-events.o -JDIR = pmu-events/arch/$(ARCH) +JDIR = pmu-events/arch/$(SRCARCH) JSON = $(shell [ -d $(JDIR) ] && \ find $(JDIR) -name '*.json' -o -name 'mapfile.csv') # @@ -10,4 +10,4 @@ JSON = $(shell [ -d $(JDIR) ] && \ # directory and create tables in pmu-events.c. # $(OUTPUT)pmu-events/pmu-events.c: $(JSON) $(JEVENTS) - $(Q)$(call echo-cmd,gen)$(JEVENTS) $(ARCH) pmu-events/arch $(OUTPUT)pmu-events/pmu-events.c $(V) + $(Q)$(call echo-cmd,gen)$(JEVENTS) $(SRCARCH) pmu-events/arch $(OUTPUT)pmu-events/pmu-events.c $(V) diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build index af58ebc..84222bd 100644 --- a/tools/perf/tests/Build +++ b/tools/perf/tests/Build @@ -75,7 +75,7 @@ $(OUTPUT)tests/llvm-src-relocation.c: tests/bpf-script-test-relocation.c tests/B $(Q)sed -e 's/"/\\"/g' -e 's/\(.*\)/"\1\\n"/g' $< >> $@ $(Q)echo ';' >> $@ -ifeq ($(ARCH),$(filter $(ARCH),x86 arm arm64 powerpc)) +ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc)) perf-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o endif diff --git a/tools/perf/tests/bp_signal.c b/tools/perf/tests/bp_signal.c index e7664fe..8ba2c46 100644 --- a/tools/perf/tests/bp_signal.c +++ b/tools/perf/tests/bp_signal.c @@ -288,3 +288,17 @@ int test__bp_signal(int subtest __maybe_unused) return count1 == 1 && overflows == 3 && count2 == 3 && overflows_2 == 3 && count3 == 2 ? TEST_OK : TEST_FAIL; } + +bool test__bp_signal_is_supported(void) +{ +/* + * The powerpc so far does not have support to even create + * instruction breakpoint using the perf event interface. + * Once it's there we can release this. + */ +#ifdef __powerpc__ + return false; +#else + return true; +#endif +} diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 9e08d29..3ccfd58 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -97,10 +97,12 @@ static struct test generic_tests[] = { { .desc = "Breakpoint overflow signal handler", .func = test__bp_signal, + .is_supported = test__bp_signal_is_supported, }, { .desc = "Breakpoint overflow sampling", .func = test__bp_signal_overflow, + .is_supported = test__bp_signal_is_supported, }, { .desc = "Number of exit events of a simple workload", @@ -401,6 +403,11 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist) if (!perf_test__matches(t, curr, argc, argv)) continue; + if (t->is_supported && !t->is_supported()) { + pr_debug("%2d: %-*s: Disabled\n", i, width, t->desc); + continue; + } + pr_info("%2d: %-*s:", i, width, t->desc); if (intlist__find(skiplist, i)) { diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index 1f14e76..94b7c7b 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -229,6 +229,8 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode, unsigned char buf2[BUFSZ]; size_t ret_len; u64 objdump_addr; + const char *objdump_name; + char decomp_name[KMOD_DECOMP_LEN]; int ret; pr_debug("Reading object code for memory address: %#"PRIx64"\n", addr); @@ -289,9 +291,25 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode, state->done[state->done_cnt++] = al.map->start; } + objdump_name = al.map->dso->long_name; + if (dso__needs_decompress(al.map->dso)) { + if (dso__decompress_kmodule_path(al.map->dso, objdump_name, + decomp_name, + sizeof(decomp_name)) < 0) { + pr_debug("decompression failed\n"); + return -1; + } + + objdump_name = decomp_name; + } + /* Read the object code using objdump */ objdump_addr = map__rip_2objdump(al.map, al.addr); - ret = read_via_objdump(al.map->dso->long_name, objdump_addr, buf2, len); + ret = read_via_objdump(objdump_name, objdump_addr, buf2, len); + + if (dso__needs_decompress(al.map->dso)) + unlink(objdump_name); + if (ret > 0) { /* * The kernel maps are inaccurate - assume objdump is right in diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c index 32873ec..cf00eba 100644 --- a/tools/perf/tests/task-exit.c +++ b/tools/perf/tests/task-exit.c @@ -83,7 +83,7 @@ int test__task_exit(int subtest __maybe_unused) evsel = perf_evlist__first(evlist); evsel->attr.task = 1; - evsel->attr.sample_freq = 0; + evsel->attr.sample_freq = 1; evsel->attr.inherit = 0; evsel->attr.watermark = 0; evsel->attr.wakeup_events = 1; diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index 6318596..5773638 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -34,6 +34,7 @@ struct test { int (*get_nr)(void); const char *(*get_desc)(int subtest); } subtest; + bool (*is_supported)(void); }; /* Tests */ @@ -99,6 +100,8 @@ const char *test__clang_subtest_get_desc(int subtest); int test__clang_subtest_get_nr(void); int test__unit_number__scnprint(int subtest); +bool test__bp_signal_is_supported(void); + #if defined(__arm__) || defined(__aarch64__) #ifdef HAVE_DWARF_UNWIND_SUPPORT struct thread; diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 683f834..ddbd56d 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -239,10 +239,20 @@ static int jump__parse(struct arch *arch __maybe_unused, struct ins_operands *op const char *s = strchr(ops->raw, '+'); const char *c = strchr(ops->raw, ','); - if (c++ != NULL) + /* + * skip over possible up to 2 operands to get to address, e.g.: + * tbnz w0, #26, ffff0000083cd190 <security_file_permission+0xd0> + */ + if (c++ != NULL) { ops->target.addr = strtoull(c, NULL, 16); - else + if (!ops->target.addr) { + c = strchr(c, ','); + if (c++ != NULL) + ops->target.addr = strtoull(c, NULL, 16); + } + } else { ops->target.addr = strtoull(ops->raw, NULL, 16); + } if (s++ != NULL) { ops->target.offset = strtoull(s, NULL, 16); @@ -257,10 +267,27 @@ static int jump__parse(struct arch *arch __maybe_unused, struct ins_operands *op static int jump__scnprintf(struct ins *ins, char *bf, size_t size, struct ins_operands *ops) { + const char *c = strchr(ops->raw, ','); + if (!ops->target.addr || ops->target.offset < 0) return ins__raw_scnprintf(ins, bf, size, ops); - return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset); + if (c != NULL) { + const char *c2 = strchr(c + 1, ','); + + /* check for 3-op insn */ + if (c2 != NULL) + c = c2; + c++; + + /* mirror arch objdump's space-after-comma style */ + if (*c == ' ') + c++; + } + + return scnprintf(bf, size, "%-6.6s %.*s%" PRIx64, + ins->name, c ? c - ops->raw : 0, ops->raw, + ops->target.offset); } static struct ins_ops jump_ops = { @@ -1294,6 +1321,7 @@ static int dso__disassemble_filename(struct dso *dso, char *filename, size_t fil char linkname[PATH_MAX]; char *build_id_filename; char *build_id_path = NULL; + char *pos; if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && !dso__is_kcore(dso)) @@ -1313,7 +1341,14 @@ static int dso__disassemble_filename(struct dso *dso, char *filename, size_t fil if (!build_id_path) return -1; - dirname(build_id_path); + /* + * old style build-id cache has name of XX/XXXXXXX.. while + * new style has XX/XXXXXXX../{elf,kallsyms,vdso}. + * extract the build-id part of dirname in the new style only. + */ + pos = strrchr(build_id_path, '/'); + if (pos && strlen(pos) < SBUILD_ID_SIZE - 2) + dirname(build_id_path); if (dso__is_kcore(dso) || readlink(build_id_path, linkname, sizeof(linkname)) < 0 || @@ -1396,31 +1431,10 @@ int symbol__disassemble(struct symbol *sym, struct map *map, const char *arch_na sizeof(symfs_filename)); } } else if (dso__needs_decompress(dso)) { - char tmp[PATH_MAX]; - struct kmod_path m; - int fd; - bool ret; - - if (kmod_path__parse_ext(&m, symfs_filename)) - goto out; - - snprintf(tmp, PATH_MAX, "/tmp/perf-kmod-XXXXXX"); - - fd = mkstemp(tmp); - if (fd < 0) { - free(m.ext); - goto out; - } - - ret = decompress_to_file(m.ext, symfs_filename, fd); - - if (ret) - pr_err("Cannot decompress %s %s\n", m.ext, symfs_filename); - - free(m.ext); - close(fd); + char tmp[KMOD_DECOMP_LEN]; - if (!ret) + if (dso__decompress_kmodule_path(dso, symfs_filename, + tmp, sizeof(tmp)) < 0) goto out; strcpy(symfs_filename, tmp); @@ -1429,7 +1443,7 @@ int symbol__disassemble(struct symbol *sym, struct map *map, const char *arch_na snprintf(command, sizeof(command), "%s %s%s --start-address=0x%016" PRIx64 " --stop-address=0x%016" PRIx64 - " -l -d %s %s -C %s 2>/dev/null|grep -v %s:|expand", + " -l -d %s %s -C \"%s\" 2>/dev/null|grep -v \"%s:\"|expand", objdump_path ? objdump_path : "objdump", disassembler_style ? "-M " : "", disassembler_style ? disassembler_style : "", diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index 168cc49..e0148b0 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -278,51 +278,6 @@ char *dso__build_id_filename(const struct dso *dso, char *bf, size_t size) return bf; } -bool dso__build_id_is_kmod(const struct dso *dso, char *bf, size_t size) -{ - char *id_name = NULL, *ch; - struct stat sb; - char sbuild_id[SBUILD_ID_SIZE]; - - if (!dso->has_build_id) - goto err; - - build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); - id_name = build_id_cache__linkname(sbuild_id, NULL, 0); - if (!id_name) - goto err; - if (access(id_name, F_OK)) - goto err; - if (lstat(id_name, &sb) == -1) - goto err; - if ((size_t)sb.st_size > size - 1) - goto err; - if (readlink(id_name, bf, size - 1) < 0) - goto err; - - bf[sb.st_size] = '\0'; - - /* - * link should be: - * ../../lib/modules/4.4.0-rc4/kernel/net/ipv4/netfilter/nf_nat_ipv4.ko/a09fe3eb3147dafa4e3b31dbd6257e4d696bdc92 - */ - ch = strrchr(bf, '/'); - if (!ch) - goto err; - if (ch - 3 < bf) - goto err; - - free(id_name); - return strncmp(".ko", ch - 3, 3) == 0; -err: - pr_err("Invalid build id: %s\n", id_name ? : - dso->long_name ? : - dso->short_name ? : - "[unknown]"); - free(id_name); - return false; -} - #define dsos__for_each_with_build_id(pos, head) \ list_for_each_entry(pos, head, node) \ if (!pos->has_build_id) \ diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h index 8a89b19..96690a5 100644 --- a/tools/perf/util/build-id.h +++ b/tools/perf/util/build-id.h @@ -17,7 +17,6 @@ char *build_id_cache__kallsyms_path(const char *sbuild_id, char *bf, size_t size); char *dso__build_id_filename(const struct dso *dso, char *bf, size_t size); -bool dso__build_id_is_kmod(const struct dso *dso, char *bf, size_t size); int build_id__mark_dso_hit(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct perf_evsel *evsel, diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index a96a99d..4e7ab61 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -248,6 +248,64 @@ bool dso__needs_decompress(struct dso *dso) dso->symtab_type == DSO_BINARY_TYPE__GUEST_KMODULE_COMP; } +static int decompress_kmodule(struct dso *dso, const char *name, char *tmpbuf) +{ + int fd = -1; + struct kmod_path m; + + if (!dso__needs_decompress(dso)) + return -1; + + if (kmod_path__parse_ext(&m, dso->long_name)) + return -1; + + if (!m.comp) + goto out; + + fd = mkstemp(tmpbuf); + if (fd < 0) { + dso->load_errno = errno; + goto out; + } + + if (!decompress_to_file(m.ext, name, fd)) { + dso->load_errno = DSO_LOAD_ERRNO__DECOMPRESSION_FAILURE; + close(fd); + fd = -1; + } + +out: + free(m.ext); + return fd; +} + +int dso__decompress_kmodule_fd(struct dso *dso, const char *name) +{ + char tmpbuf[] = KMOD_DECOMP_NAME; + int fd; + + fd = decompress_kmodule(dso, name, tmpbuf); + unlink(tmpbuf); + return fd; +} + +int dso__decompress_kmodule_path(struct dso *dso, const char *name, + char *pathname, size_t len) +{ + char tmpbuf[] = KMOD_DECOMP_NAME; + int fd; + + fd = decompress_kmodule(dso, name, tmpbuf); + if (fd < 0) { + unlink(tmpbuf); + return -1; + } + + strncpy(pathname, tmpbuf, len); + close(fd); + return 0; +} + /* * Parses kernel module specified in @path and updates * @m argument like: @@ -335,6 +393,21 @@ int __kmod_path__parse(struct kmod_path *m, const char *path, return 0; } +void dso__set_module_info(struct dso *dso, struct kmod_path *m, + struct machine *machine) +{ + if (machine__is_host(machine)) + dso->symtab_type = DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE; + else + dso->symtab_type = DSO_BINARY_TYPE__GUEST_KMODULE; + + /* _KMODULE_COMP should be next to _KMODULE */ + if (m->kmod && m->comp) + dso->symtab_type++; + + dso__set_short_name(dso, strdup(m->name), true); +} + /* * Global list of open DSOs and the counter. */ @@ -381,7 +454,7 @@ static int do_open(char *name) static int __open_dso(struct dso *dso, struct machine *machine) { - int fd; + int fd = -EINVAL; char *root_dir = (char *)""; char *name = malloc(PATH_MAX); @@ -392,15 +465,30 @@ static int __open_dso(struct dso *dso, struct machine *machine) root_dir = machine->root_dir; if (dso__read_binary_type_filename(dso, dso->binary_type, - root_dir, name, PATH_MAX)) { - free(name); - return -EINVAL; - } + root_dir, name, PATH_MAX)) + goto out; if (!is_regular_file(name)) - return -EINVAL; + goto out; + + if (dso__needs_decompress(dso)) { + char newpath[KMOD_DECOMP_LEN]; + size_t len = sizeof(newpath); + + if (dso__decompress_kmodule_path(dso, name, newpath, len) < 0) { + fd = -dso->load_errno; + goto out; + } + + strcpy(name, newpath); + } fd = do_open(name); + + if (dso__needs_decompress(dso)) + unlink(name); + +out: free(name); return fd; } diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index 12350b1..bd061ba 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -244,6 +244,12 @@ bool is_supported_compression(const char *ext); bool is_kernel_module(const char *pathname, int cpumode); bool decompress_to_file(const char *ext, const char *filename, int output_fd); bool dso__needs_decompress(struct dso *dso); +int dso__decompress_kmodule_fd(struct dso *dso, const char *name); +int dso__decompress_kmodule_path(struct dso *dso, const char *name, + char *pathname, size_t len); + +#define KMOD_DECOMP_NAME "/tmp/perf-kmod-XXXXXX" +#define KMOD_DECOMP_LEN sizeof(KMOD_DECOMP_NAME) struct kmod_path { char *name; @@ -259,6 +265,9 @@ int __kmod_path__parse(struct kmod_path *m, const char *path, #define kmod_path__parse_name(__m, __p) __kmod_path__parse(__m, __p, true , false) #define kmod_path__parse_ext(__m, __p) __kmod_path__parse(__m, __p, false, true) +void dso__set_module_info(struct dso *dso, struct kmod_path *m, + struct machine *machine); + /* * The dso__data_* external interface provides following functions: * dso__data_get_fd diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index e4f7902..cda44b0 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -273,8 +273,20 @@ struct perf_evsel *perf_evsel__new_cycles(void) struct perf_evsel *evsel; event_attr_init(&attr); + /* + * Unnamed union member, not supported as struct member named + * initializer in older compilers such as gcc 4.4.7 + * + * Just for probing the precise_ip: + */ + attr.sample_period = 1; perf_event_attr__set_max_precise_ip(&attr); + /* + * Now let the usual logic to set up the perf_event_attr defaults + * to kick in when we return and before perf_evsel__open() is called. + */ + attr.sample_period = 0; evsel = perf_evsel__new(&attr); if (evsel == NULL) diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 314a071..b5baff3 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -841,7 +841,7 @@ static int write_group_desc(int fd, struct perf_header *h __maybe_unused, /* * default get_cpuid(): nothing gets recorded - * actual implementation must be in arch/$(ARCH)/util/header.c + * actual implementation must be in arch/$(SRCARCH)/util/header.c */ int __weak get_cpuid(char *buffer __maybe_unused, size_t sz __maybe_unused) { @@ -1469,8 +1469,16 @@ static int __event_process_build_id(struct build_id_event *bev, dso__set_build_id(dso, &bev->build_id); - if (!is_kernel_module(filename, cpumode)) - dso->kernel = dso_type; + if (dso_type != DSO_TYPE_USER) { + struct kmod_path m = { .name = NULL, }; + + if (!kmod_path__parse_name(&m, filename) && m.kmod) + dso__set_module_info(dso, &m, machine); + else + dso->kernel = dso_type; + + free(m.name); + } build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index d97e014..5de2b86 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -572,16 +572,7 @@ static struct dso *machine__findnew_module_dso(struct machine *machine, if (dso == NULL) goto out_unlock; - if (machine__is_host(machine)) - dso->symtab_type = DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE; - else - dso->symtab_type = DSO_BINARY_TYPE__GUEST_KMODULE; - - /* _KMODULE_COMP should be next to _KMODULE */ - if (m->kmod && m->comp) - dso->symtab_type++; - - dso__set_short_name(dso, strdup(m->name), true); + dso__set_module_info(dso, m, machine); dso__set_long_name(dso, strdup(filename), true); } @@ -1218,10 +1209,12 @@ int machine__create_kernel_maps(struct machine *machine) */ map_groups__fixup_end(&machine->kmaps); - if (machine__get_running_kernel_start(machine, &name, &addr)) { - } else if (maps__set_kallsyms_ref_reloc_sym(machine->vmlinux_maps, name, addr)) { - machine__destroy_kernel_maps(machine); - return -1; + if (!machine__get_running_kernel_start(machine, &name, &addr)) { + if (name && + maps__set_kallsyms_ref_reloc_sym(machine->vmlinux_maps, name, addr)) { + machine__destroy_kernel_maps(machine); + return -1; + } } return 0; diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index 84e7e69..a2670e9 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -619,7 +619,7 @@ static int post_process_probe_trace_point(struct probe_trace_point *tp, struct map *map, unsigned long offs) { struct symbol *sym; - u64 addr = tp->address + tp->offset - offs; + u64 addr = tp->address - offs; sym = map__find_symbol(map, addr); if (!sym) diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index 9d92af7..40de3cb 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -1219,7 +1219,7 @@ static int python_generate_script(struct pevent *pevent, const char *outfile) fprintf(ofp, "# be retrieved using Python functions of the form " "common_*(context).\n"); - fprintf(ofp, "# See the perf-trace-python Documentation for the list " + fprintf(ofp, "# See the perf-script-python Documentation for the list " "of available functions.\n\n"); fprintf(ofp, "import os\n"); diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c index e7ee47f..502505c 100644 --- a/tools/perf/util/symbol-elf.c +++ b/tools/perf/util/symbol-elf.c @@ -637,43 +637,6 @@ static int dso__swap_init(struct dso *dso, unsigned char eidata) return 0; } -static int decompress_kmodule(struct dso *dso, const char *name, - enum dso_binary_type type) -{ - int fd = -1; - char tmpbuf[] = "/tmp/perf-kmod-XXXXXX"; - struct kmod_path m; - - if (type != DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE_COMP && - type != DSO_BINARY_TYPE__GUEST_KMODULE_COMP && - type != DSO_BINARY_TYPE__BUILD_ID_CACHE) - return -1; - - if (type == DSO_BINARY_TYPE__BUILD_ID_CACHE) - name = dso->long_name; - - if (kmod_path__parse_ext(&m, name) || !m.comp) - return -1; - - fd = mkstemp(tmpbuf); - if (fd < 0) { - dso->load_errno = errno; - goto out; - } - - if (!decompress_to_file(m.ext, name, fd)) { - dso->load_errno = DSO_LOAD_ERRNO__DECOMPRESSION_FAILURE; - close(fd); - fd = -1; - } - - unlink(tmpbuf); - -out: - free(m.ext); - return fd; -} - bool symsrc__possibly_runtime(struct symsrc *ss) { return ss->dynsym || ss->opdsec; @@ -705,9 +668,11 @@ int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name, int fd; if (dso__needs_decompress(dso)) { - fd = decompress_kmodule(dso, name, type); + fd = dso__decompress_kmodule_fd(dso, name); if (fd < 0) return -1; + + type = dso->symtab_type; } else { fd = open(name, O_RDONLY); if (fd < 0) { diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 8f2b068..e7a98db 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1562,10 +1562,6 @@ int dso__load(struct dso *dso, struct map *map) if (!runtime_ss && syms_ss) runtime_ss = syms_ss; - if (syms_ss && syms_ss->type == DSO_BINARY_TYPE__BUILD_ID_CACHE) - if (dso__build_id_is_kmod(dso, name, PATH_MAX)) - kmod = true; - if (syms_ss) ret = dso__load_sym(dso, map, syms_ss, runtime_ss, kmod); else diff --git a/tools/perf/util/unwind-libdw.c b/tools/perf/util/unwind-libdw.c index 943a062..7755a5e0 100644 --- a/tools/perf/util/unwind-libdw.c +++ b/tools/perf/util/unwind-libdw.c @@ -39,6 +39,14 @@ static int __report_module(struct addr_location *al, u64 ip, return 0; mod = dwfl_addrmodule(ui->dwfl, ip); + if (mod) { + Dwarf_Addr s; + + dwfl_module_info(mod, NULL, &s, NULL, NULL, NULL, NULL, NULL); + if (s != al->map->start) + mod = 0; + } + if (!mod) mod = dwfl_report_elf(ui->dwfl, dso->short_name, dso->long_name, -1, al->map->start, @@ -170,6 +178,14 @@ frame_callback(Dwfl_Frame *state, void *arg) Dwarf_Addr pc; bool isactivation; + if (!dwfl_frame_pc(state, &pc, NULL)) { + pr_err("%s", dwfl_errmsg(-1)); + return DWARF_CB_ABORT; + } + + // report the module before we query for isactivation + report_module(pc, ui); + if (!dwfl_frame_pc(state, &pc, &isactivation)) { pr_err("%s", dwfl_errmsg(-1)); return DWARF_CB_ABORT; @@ -224,7 +240,7 @@ int unwind__get_entries(unwind_entry_cb_t cb, void *arg, err = dwfl_getthread_frames(ui->dwfl, thread->tid, frame_callback, ui); - if (err && !ui->max_stack) + if (err && ui->max_stack != max_stack) err = 0; /* diff --git a/tools/testing/selftests/bpf/bpf_endian.h b/tools/testing/selftests/bpf/bpf_endian.h index 19d0604..487cbfb 100644 --- a/tools/testing/selftests/bpf/bpf_endian.h +++ b/tools/testing/selftests/bpf/bpf_endian.h @@ -1,23 +1,42 @@ #ifndef __BPF_ENDIAN__ #define __BPF_ENDIAN__ -#include <asm/byteorder.h> +#include <linux/swab.h> -#if __BYTE_ORDER == __LITTLE_ENDIAN -# define __bpf_ntohs(x) __builtin_bswap16(x) -# define __bpf_htons(x) __builtin_bswap16(x) -#elif __BYTE_ORDER == __BIG_ENDIAN -# define __bpf_ntohs(x) (x) -# define __bpf_htons(x) (x) +/* LLVM's BPF target selects the endianness of the CPU + * it compiles on, or the user specifies (bpfel/bpfeb), + * respectively. The used __BYTE_ORDER__ is defined by + * the compiler, we cannot rely on __BYTE_ORDER from + * libc headers, since it doesn't reflect the actual + * requested byte order. + * + * Note, LLVM's BPF target has different __builtin_bswapX() + * semantics. It does map to BPF_ALU | BPF_END | BPF_TO_BE + * in bpfel and bpfeb case, which means below, that we map + * to cpu_to_be16(). We could use it unconditionally in BPF + * case, but better not rely on it, so that this header here + * can be used from application and BPF program side, which + * use different targets. + */ +#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ +# define __bpf_ntohs(x) __builtin_bswap16(x) +# define __bpf_htons(x) __builtin_bswap16(x) +# define __bpf_constant_ntohs(x) ___constant_swab16(x) +# define __bpf_constant_htons(x) ___constant_swab16(x) +#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ +# define __bpf_ntohs(x) (x) +# define __bpf_htons(x) (x) +# define __bpf_constant_ntohs(x) (x) +# define __bpf_constant_htons(x) (x) #else -# error "Fix your __BYTE_ORDER?!" +# error "Fix your compiler's __BYTE_ORDER__?!" #endif #define bpf_htons(x) \ (__builtin_constant_p(x) ? \ - __constant_htons(x) : __bpf_htons(x)) + __bpf_constant_htons(x) : __bpf_htons(x)) #define bpf_ntohs(x) \ (__builtin_constant_p(x) ? \ - __constant_ntohs(x) : __bpf_ntohs(x)) + __bpf_constant_ntohs(x) : __bpf_ntohs(x)) -#endif +#endif /* __BPF_ENDIAN__ */ diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c index cabb19b..0ff8c55 100644 --- a/tools/testing/selftests/bpf/test_verifier.c +++ b/tools/testing/selftests/bpf/test_verifier.c @@ -3749,6 +3749,72 @@ static struct bpf_test tests[] = { .errstr = "invalid bpf_context access", }, { + "leak pointer into ctx 1", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, + offsetof(struct __sk_buff, cb[0])), + BPF_LD_MAP_FD(BPF_REG_2, 0), + BPF_STX_XADD(BPF_DW, BPF_REG_1, BPF_REG_2, + offsetof(struct __sk_buff, cb[0])), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 2 }, + .errstr_unpriv = "R2 leaks addr into mem", + .result_unpriv = REJECT, + .result = ACCEPT, + }, + { + "leak pointer into ctx 2", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, + offsetof(struct __sk_buff, cb[0])), + BPF_STX_XADD(BPF_DW, BPF_REG_1, BPF_REG_10, + offsetof(struct __sk_buff, cb[0])), + BPF_EXIT_INSN(), + }, + .errstr_unpriv = "R10 leaks addr into mem", + .result_unpriv = REJECT, + .result = ACCEPT, + }, + { + "leak pointer into ctx 3", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_LD_MAP_FD(BPF_REG_2, 0), + BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_2, + offsetof(struct __sk_buff, cb[0])), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 1 }, + .errstr_unpriv = "R2 leaks addr into ctx", + .result_unpriv = REJECT, + .result = ACCEPT, + }, + { + "leak pointer into map val", + .insns = { + BPF_MOV64_REG(BPF_REG_6, BPF_REG_1), + BPF_ST_MEM(BPF_DW, BPF_REG_10, -8, 0), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, + BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 3), + BPF_MOV64_IMM(BPF_REG_3, 0), + BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_3, 0), + BPF_STX_XADD(BPF_DW, BPF_REG_0, BPF_REG_6, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .fixup_map1 = { 4 }, + .errstr_unpriv = "R6 leaks addr into mem", + .result_unpriv = REJECT, + .result = ACCEPT, + }, + { "helper access to map: full range", .insns = { BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), diff --git a/tools/testing/selftests/ntb/ntb_test.sh b/tools/testing/selftests/ntb/ntb_test.sh index a676d3e..13f5198 100755 --- a/tools/testing/selftests/ntb/ntb_test.sh +++ b/tools/testing/selftests/ntb/ntb_test.sh @@ -305,7 +305,7 @@ function perf_test() echo "Running remote perf test $WITH DMA" write_file "" $REMOTE_PERF/run echo -n " " - read_file $LOCAL_PERF/run + read_file $REMOTE_PERF/run echo " Passed" _modprobe -r ntb_perf diff --git a/usr/Kconfig b/usr/Kconfig index c0c4850..ad0543e 100644 --- a/usr/Kconfig +++ b/usr/Kconfig @@ -220,6 +220,7 @@ config INITRAMFS_COMPRESSION_LZ4 endchoice config INITRAMFS_COMPRESSION + depends on INITRAMFS_SOURCE!="" string default "" if INITRAMFS_COMPRESSION_NONE default ".gz" if INITRAMFS_COMPRESSION_GZIP diff --git a/virt/kvm/arm/hyp/vgic-v3-sr.c b/virt/kvm/arm/hyp/vgic-v3-sr.c index 32c3295..8794036 100644 --- a/virt/kvm/arm/hyp/vgic-v3-sr.c +++ b/virt/kvm/arm/hyp/vgic-v3-sr.c @@ -22,7 +22,7 @@ #include <asm/kvm_hyp.h> #define vtr_to_max_lr_idx(v) ((v) & 0xf) -#define vtr_to_nr_pre_bits(v) (((u32)(v) >> 26) + 1) +#define vtr_to_nr_pre_bits(v) ((((u32)(v) >> 26) & 7) + 1) static u64 __hyp_text __gic_v3_get_lr(unsigned int lr) { diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c index a2d6324..e2e5eff 100644 --- a/virt/kvm/arm/mmu.c +++ b/virt/kvm/arm/mmu.c @@ -879,6 +879,9 @@ static pmd_t *stage2_get_pmd(struct kvm *kvm, struct kvm_mmu_memory_cache *cache pmd_t *pmd; pud = stage2_get_pud(kvm, cache, addr); + if (!pud) + return NULL; + if (stage2_pud_none(*pud)) { if (!cache) return NULL; diff --git a/virt/kvm/arm/vgic/vgic-mmio-v2.c b/virt/kvm/arm/vgic/vgic-mmio-v2.c index 0a4283e..63e0bbd 100644 --- a/virt/kvm/arm/vgic/vgic-mmio-v2.c +++ b/virt/kvm/arm/vgic/vgic-mmio-v2.c @@ -226,7 +226,13 @@ static unsigned long vgic_mmio_read_vcpuif(struct kvm_vcpu *vcpu, switch (addr & 0xff) { case GIC_CPU_CTRL: - val = vmcr.ctlr; + val = vmcr.grpen0 << GIC_CPU_CTRL_EnableGrp0_SHIFT; + val |= vmcr.grpen1 << GIC_CPU_CTRL_EnableGrp1_SHIFT; + val |= vmcr.ackctl << GIC_CPU_CTRL_AckCtl_SHIFT; + val |= vmcr.fiqen << GIC_CPU_CTRL_FIQEn_SHIFT; + val |= vmcr.cbpr << GIC_CPU_CTRL_CBPR_SHIFT; + val |= vmcr.eoim << GIC_CPU_CTRL_EOImodeNS_SHIFT; + break; case GIC_CPU_PRIMASK: /* @@ -267,7 +273,13 @@ static void vgic_mmio_write_vcpuif(struct kvm_vcpu *vcpu, switch (addr & 0xff) { case GIC_CPU_CTRL: - vmcr.ctlr = val; + vmcr.grpen0 = !!(val & GIC_CPU_CTRL_EnableGrp0); + vmcr.grpen1 = !!(val & GIC_CPU_CTRL_EnableGrp1); + vmcr.ackctl = !!(val & GIC_CPU_CTRL_AckCtl); + vmcr.fiqen = !!(val & GIC_CPU_CTRL_FIQEn); + vmcr.cbpr = !!(val & GIC_CPU_CTRL_CBPR); + vmcr.eoim = !!(val & GIC_CPU_CTRL_EOImodeNS); + break; case GIC_CPU_PRIMASK: /* diff --git a/virt/kvm/arm/vgic/vgic-v2.c b/virt/kvm/arm/vgic/vgic-v2.c index 504b4bd..e4187e5 100644 --- a/virt/kvm/arm/vgic/vgic-v2.c +++ b/virt/kvm/arm/vgic/vgic-v2.c @@ -177,7 +177,18 @@ void vgic_v2_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcrp) struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2; u32 vmcr; - vmcr = (vmcrp->ctlr << GICH_VMCR_CTRL_SHIFT) & GICH_VMCR_CTRL_MASK; + vmcr = (vmcrp->grpen0 << GICH_VMCR_ENABLE_GRP0_SHIFT) & + GICH_VMCR_ENABLE_GRP0_MASK; + vmcr |= (vmcrp->grpen1 << GICH_VMCR_ENABLE_GRP1_SHIFT) & + GICH_VMCR_ENABLE_GRP1_MASK; + vmcr |= (vmcrp->ackctl << GICH_VMCR_ACK_CTL_SHIFT) & + GICH_VMCR_ACK_CTL_MASK; + vmcr |= (vmcrp->fiqen << GICH_VMCR_FIQ_EN_SHIFT) & + GICH_VMCR_FIQ_EN_MASK; + vmcr |= (vmcrp->cbpr << GICH_VMCR_CBPR_SHIFT) & + GICH_VMCR_CBPR_MASK; + vmcr |= (vmcrp->eoim << GICH_VMCR_EOI_MODE_SHIFT) & + GICH_VMCR_EOI_MODE_MASK; vmcr |= (vmcrp->abpr << GICH_VMCR_ALIAS_BINPOINT_SHIFT) & GICH_VMCR_ALIAS_BINPOINT_MASK; vmcr |= (vmcrp->bpr << GICH_VMCR_BINPOINT_SHIFT) & @@ -195,8 +206,19 @@ void vgic_v2_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcrp) vmcr = cpu_if->vgic_vmcr; - vmcrp->ctlr = (vmcr & GICH_VMCR_CTRL_MASK) >> - GICH_VMCR_CTRL_SHIFT; + vmcrp->grpen0 = (vmcr & GICH_VMCR_ENABLE_GRP0_MASK) >> + GICH_VMCR_ENABLE_GRP0_SHIFT; + vmcrp->grpen1 = (vmcr & GICH_VMCR_ENABLE_GRP1_MASK) >> + GICH_VMCR_ENABLE_GRP1_SHIFT; + vmcrp->ackctl = (vmcr & GICH_VMCR_ACK_CTL_MASK) >> + GICH_VMCR_ACK_CTL_SHIFT; + vmcrp->fiqen = (vmcr & GICH_VMCR_FIQ_EN_MASK) >> + GICH_VMCR_FIQ_EN_SHIFT; + vmcrp->cbpr = (vmcr & GICH_VMCR_CBPR_MASK) >> + GICH_VMCR_CBPR_SHIFT; + vmcrp->eoim = (vmcr & GICH_VMCR_EOI_MODE_MASK) >> + GICH_VMCR_EOI_MODE_SHIFT; + vmcrp->abpr = (vmcr & GICH_VMCR_ALIAS_BINPOINT_MASK) >> GICH_VMCR_ALIAS_BINPOINT_SHIFT; vmcrp->bpr = (vmcr & GICH_VMCR_BINPOINT_MASK) >> diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c index 6fe3f00..030248e 100644 --- a/virt/kvm/arm/vgic/vgic-v3.c +++ b/virt/kvm/arm/vgic/vgic-v3.c @@ -159,15 +159,24 @@ void vgic_v3_clear_lr(struct kvm_vcpu *vcpu, int lr) void vgic_v3_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcrp) { struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3; + u32 model = vcpu->kvm->arch.vgic.vgic_model; u32 vmcr; - /* - * Ignore the FIQen bit, because GIC emulation always implies - * SRE=1 which means the vFIQEn bit is also RES1. - */ - vmcr = ((vmcrp->ctlr >> ICC_CTLR_EL1_EOImode_SHIFT) << - ICH_VMCR_EOIM_SHIFT) & ICH_VMCR_EOIM_MASK; - vmcr |= (vmcrp->ctlr << ICH_VMCR_CBPR_SHIFT) & ICH_VMCR_CBPR_MASK; + if (model == KVM_DEV_TYPE_ARM_VGIC_V2) { + vmcr = (vmcrp->ackctl << ICH_VMCR_ACK_CTL_SHIFT) & + ICH_VMCR_ACK_CTL_MASK; + vmcr |= (vmcrp->fiqen << ICH_VMCR_FIQ_EN_SHIFT) & + ICH_VMCR_FIQ_EN_MASK; + } else { + /* + * When emulating GICv3 on GICv3 with SRE=1 on the + * VFIQEn bit is RES1 and the VAckCtl bit is RES0. + */ + vmcr = ICH_VMCR_FIQ_EN_MASK; + } + + vmcr |= (vmcrp->cbpr << ICH_VMCR_CBPR_SHIFT) & ICH_VMCR_CBPR_MASK; + vmcr |= (vmcrp->eoim << ICH_VMCR_EOIM_SHIFT) & ICH_VMCR_EOIM_MASK; vmcr |= (vmcrp->abpr << ICH_VMCR_BPR1_SHIFT) & ICH_VMCR_BPR1_MASK; vmcr |= (vmcrp->bpr << ICH_VMCR_BPR0_SHIFT) & ICH_VMCR_BPR0_MASK; vmcr |= (vmcrp->pmr << ICH_VMCR_PMR_SHIFT) & ICH_VMCR_PMR_MASK; @@ -180,17 +189,27 @@ void vgic_v3_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcrp) void vgic_v3_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcrp) { struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3; + u32 model = vcpu->kvm->arch.vgic.vgic_model; u32 vmcr; vmcr = cpu_if->vgic_vmcr; - /* - * Ignore the FIQen bit, because GIC emulation always implies - * SRE=1 which means the vFIQEn bit is also RES1. - */ - vmcrp->ctlr = ((vmcr >> ICH_VMCR_EOIM_SHIFT) << - ICC_CTLR_EL1_EOImode_SHIFT) & ICC_CTLR_EL1_EOImode_MASK; - vmcrp->ctlr |= (vmcr & ICH_VMCR_CBPR_MASK) >> ICH_VMCR_CBPR_SHIFT; + if (model == KVM_DEV_TYPE_ARM_VGIC_V2) { + vmcrp->ackctl = (vmcr & ICH_VMCR_ACK_CTL_MASK) >> + ICH_VMCR_ACK_CTL_SHIFT; + vmcrp->fiqen = (vmcr & ICH_VMCR_FIQ_EN_MASK) >> + ICH_VMCR_FIQ_EN_SHIFT; + } else { + /* + * When emulating GICv3 on GICv3 with SRE=1 on the + * VFIQEn bit is RES1 and the VAckCtl bit is RES0. + */ + vmcrp->fiqen = 1; + vmcrp->ackctl = 0; + } + + vmcrp->cbpr = (vmcr & ICH_VMCR_CBPR_MASK) >> ICH_VMCR_CBPR_SHIFT; + vmcrp->eoim = (vmcr & ICH_VMCR_EOIM_MASK) >> ICH_VMCR_EOIM_SHIFT; vmcrp->abpr = (vmcr & ICH_VMCR_BPR1_MASK) >> ICH_VMCR_BPR1_SHIFT; vmcrp->bpr = (vmcr & ICH_VMCR_BPR0_MASK) >> ICH_VMCR_BPR0_SHIFT; vmcrp->pmr = (vmcr & ICH_VMCR_PMR_MASK) >> ICH_VMCR_PMR_SHIFT; diff --git a/virt/kvm/arm/vgic/vgic.h b/virt/kvm/arm/vgic/vgic.h index da83e4c..bba7fa2 100644 --- a/virt/kvm/arm/vgic/vgic.h +++ b/virt/kvm/arm/vgic/vgic.h @@ -111,14 +111,18 @@ static inline bool irq_is_pending(struct vgic_irq *irq) * registers regardless of the hardware backed GIC used. */ struct vgic_vmcr { - u32 ctlr; + u32 grpen0; + u32 grpen1; + + u32 ackctl; + u32 fiqen; + u32 cbpr; + u32 eoim; + u32 abpr; u32 bpr; u32 pmr; /* Priority mask field in the GICC_PMR and * ICC_PMR_EL1 priority field format */ - /* Below member variable are valid only for GICv3 */ - u32 grpen0; - u32 grpen1; }; struct vgic_reg_attr { |
