diff options
505 files changed, 4141 insertions, 2556 deletions
diff --git a/Documentation/block/00-INDEX b/Documentation/block/00-INDEX index d18ecd8..929d990 100644 --- a/Documentation/block/00-INDEX +++ b/Documentation/block/00-INDEX @@ -6,6 +6,8 @@ capability.txt - Generic Block Device Capability (/sys/block/<device>/capability) cfq-iosched.txt - CFQ IO scheduler tunables +cmdline-partition.txt + - how to specify block device partitions on kernel command line data-integrity.txt - Block data integrity deadline-iosched.txt diff --git a/Documentation/block/cmdline-partition.txt b/Documentation/block/cmdline-partition.txt index 2bbf4cc..525b9f6 100644 --- a/Documentation/block/cmdline-partition.txt +++ b/Documentation/block/cmdline-partition.txt @@ -1,9 +1,9 @@ -Embedded device command line partition +Embedded device command line partition parsing ===================================================================== -Read block device partition table from command line. -The partition used for fixed block device (eMMC) embedded device. -It is no MBR, save storage space. Bootloader can be easily accessed +Support for reading the block device partition table from the command line. +It is typically used for fixed block (eMMC) embedded devices. +It has no MBR, so saves storage space. Bootloader can be easily accessed by absolute address of data on the block device. Users can easily change the partition. diff --git a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt index 72a06c0..1486497 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/interrupts.txt @@ -4,16 +4,33 @@ Specifying interrupt information for devices 1) Interrupt client nodes ------------------------- -Nodes that describe devices which generate interrupts must contain an -"interrupts" property. This property must contain a list of interrupt -specifiers, one per output interrupt. The format of the interrupt specifier is -determined by the interrupt controller to which the interrupts are routed; see -section 2 below for details. +Nodes that describe devices which generate interrupts must contain an either an +"interrupts" property or an "interrupts-extended" property. These properties +contain a list of interrupt specifiers, one per output interrupt. The format of +the interrupt specifier is determined by the interrupt controller to which the +interrupts are routed; see section 2 below for details. + + Example: + interrupt-parent = <&intc1>; + interrupts = <5 0>, <6 0>; The "interrupt-parent" property is used to specify the controller to which interrupts are routed and contains a single phandle referring to the interrupt controller node. This property is inherited, so it may be specified in an -interrupt client node or in any of its parent nodes. +interrupt client node or in any of its parent nodes. Interrupts listed in the +"interrupts" property are always in reference to the node's interrupt parent. + +The "interrupts-extended" property is a special form for use when a node needs +to reference multiple interrupt parents. Each entry in this property contains +both the parent phandle and the interrupt specifier. "interrupts-extended" +should only be used when a device has multiple interrupt parents. + + Example: + interrupts-extended = <&intc1 5 1>, <&intc2 1 0>; + +A device node may contain either "interrupts" or "interrupts-extended", but not +both. If both properties are present, then the operating system should log an +error and use only the data in "interrupts". 2) Interrupt controller nodes ----------------------------- diff --git a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt b/Documentation/devicetree/bindings/mmc/tmio_mmc.txt index df204e1..6a2a116 100644 --- a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt +++ b/Documentation/devicetree/bindings/mmc/tmio_mmc.txt @@ -9,12 +9,15 @@ compulsory and any optional properties, common to all SD/MMC drivers, as described in mmc.txt, can be used. Additionally the following tmio_mmc-specific optional bindings can be used. +Required properties: +- compatible: "renesas,sdhi-shmobile" - a generic sh-mobile SDHI unit + "renesas,sdhi-sh7372" - SDHI IP on SH7372 SoC + "renesas,sdhi-sh73a0" - SDHI IP on SH73A0 SoC + "renesas,sdhi-r8a73a4" - SDHI IP on R8A73A4 SoC + "renesas,sdhi-r8a7740" - SDHI IP on R8A7740 SoC + "renesas,sdhi-r8a7778" - SDHI IP on R8A7778 SoC + "renesas,sdhi-r8a7779" - SDHI IP on R8A7779 SoC + "renesas,sdhi-r8a7790" - SDHI IP on R8A7790 SoC + Optional properties: - toshiba,mmc-wrprotect-disable: write-protect detection is unavailable - -When used with Renesas SDHI hardware, the following compatibility strings -configure various model-specific properties: - -"renesas,sh7372-sdhi": (default) compatible with SH7372 -"renesas,r8a7740-sdhi": compatible with R8A7740: certain MMC/SD commands have to - wait for the interface to become idle. diff --git a/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt b/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt index 2c6be03..d2ea460 100644 --- a/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt +++ b/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt @@ -86,6 +86,7 @@ General Properties: Clock Properties: + - fsl,cksel Timer reference clock source. - fsl,tclk-period Timer reference clock period in nanoseconds. - fsl,tmr-prsc Prescaler, divides the output clock. - fsl,tmr-add Frequency compensation value. @@ -97,7 +98,7 @@ Clock Properties: clock. You must choose these carefully for the clock to work right. Here is how to figure good values: - TimerOsc = system clock MHz + TimerOsc = selected reference clock MHz tclk_period = desired clock period nanoseconds NominalFreq = 1000 / tclk_period MHz FreqDivRatio = TimerOsc / NominalFreq (must be greater that 1.0) @@ -114,6 +115,20 @@ Clock Properties: Pulse Per Second (PPS) signal, since this will be offered to the PPS subsystem to synchronize the Linux clock. + Reference clock source is determined by the value, which is holded + in CKSEL bits in TMR_CTRL register. "fsl,cksel" property keeps the + value, which will be directly written in those bits, that is why, + according to reference manual, the next clock sources can be used: + + <0> - external high precision timer reference clock (TSEC_TMR_CLK + input is used for this purpose); + <1> - eTSEC system clock; + <2> - eTSEC1 transmit clock; + <3> - RTC clock input. + + When this attribute is not used, eTSEC system clock will serve as + IEEE 1588 timer reference clock. + Example: ptp_clock@24E00 { @@ -121,6 +136,7 @@ Example: reg = <0x24E00 0xB0>; interrupts = <12 0x8 13 0x8>; interrupt-parent = < &ipic >; + fsl,cksel = <1>; fsl,tclk-period = <10>; fsl,tmr-prsc = <100>; fsl,tmr-add = <0x999999A4>; diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 539a236..fcbb736 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -480,6 +480,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. Format: <io>,<irq>,<mode> See header of drivers/net/hamradio/baycom_ser_hdx.c. + blkdevparts= Manual partition parsing of block device(s) for + embedded devices based on command line input. + See Documentation/block/cmdline-partition.txt + boot_delay= Milliseconds to delay each printk during boot. Values larger than 10 seconds (10000) are changed to no delay (0). @@ -1357,7 +1361,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted. pages. In the event, a node is too small to have both kernelcore and Movable pages, kernelcore pages will take priority and other nodes will have a larger number - of kernelcore pages. The Movable zone is used for the + of Movable pages. The Movable zone is used for the allocation of pages that may be reclaimed or moved by the page migration subsystem. This means that HugeTLB pages may not be allocated from this zone. diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt index f911e36..85c362d 100644 --- a/Documentation/sound/alsa/HD-Audio-Models.txt +++ b/Documentation/sound/alsa/HD-Audio-Models.txt @@ -28,6 +28,7 @@ ALC269/270/275/276/28x/29x alc269-dmic Enable ALC269(VA) digital mic workaround alc271-dmic Enable ALC271X digital mic workaround inv-dmic Inverted internal mic workaround + headset-mic Indicates a combined headset (headphone+mic) jack lenovo-dock Enables docking station I/O for some Lenovos dell-headset-multi Headset jack, which can also be used as mic-in dell-headset-dock Headset jack (without mic-in), and also dock I/O diff --git a/MAINTAINERS b/MAINTAINERS index 284969f..8a0cbf3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -824,15 +824,21 @@ S: Maintained F: arch/arm/mach-gemini/ ARM/CSR SIRFPRIMA2 MACHINE SUPPORT -M: Barry Song <baohua.song@csr.com> +M: Barry Song <baohua@kernel.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) T: git git://git.kernel.org/pub/scm/linux/kernel/git/baohua/linux.git S: Maintained F: arch/arm/mach-prima2/ +F: drivers/clk/clk-prima2.c +F: drivers/clocksource/timer-prima2.c +F: drivers/clocksource/timer-marco.c F: drivers/dma/sirf-dma.c F: drivers/i2c/busses/i2c-sirf.c +F: drivers/input/misc/sirfsoc-onkey.c +F: drivers/irqchip/irq-sirfsoc.c F: drivers/mmc/host/sdhci-sirf.c F: drivers/pinctrl/sirf/ +F: drivers/rtc/rtc-sirfsoc.c F: drivers/spi/spi-sirf.c ARM/EBSA110 MACHINE SUPPORT @@ -4470,6 +4476,13 @@ L: linux-serial@vger.kernel.org S: Maintained F: drivers/tty/serial/ioc3_serial.c +IOMMU DRIVERS +M: Joerg Roedel <joro@8bytes.org> +L: iommu@lists.linux-foundation.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git +S: Maintained +F: drivers/iommu/ + IP MASQUERADING M: Juanjo Ciarlante <jjciarla@raiz.uncu.edu.ar> S: Maintained @@ -7271,9 +7284,9 @@ F: include/linux/sched.h F: include/uapi/linux/sched.h SCORE ARCHITECTURE -M: Chen Liqin <liqin.chen@sunplusct.com> +M: Chen Liqin <liqin.linux@gmail.com> M: Lennox Wu <lennox.wu@gmail.com> -W: http://www.sunplusct.com +W: http://www.sunplus.com S: Supported F: arch/score/ @@ -9378,6 +9391,7 @@ F: arch/arm64/include/asm/xen/ XEN NETWORK BACKEND DRIVER M: Ian Campbell <ian.campbell@citrix.com> +M: Wei Liu <wei.liu2@citrix.com> L: xen-devel@lists.xenproject.org (moderated for non-subscribers) L: netdev@vger.kernel.org S: Supported @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 12 SUBLEVEL = 0 -EXTRAVERSION = -rc3 +EXTRAVERSION = -rc5 NAME = One Giant Leap for Frogkind # *DOCUMENTATION* diff --git a/arch/arc/include/asm/spinlock.h b/arch/arc/include/asm/spinlock.h index f158197..b6a8c2d 100644 --- a/arch/arc/include/asm/spinlock.h +++ b/arch/arc/include/asm/spinlock.h @@ -45,7 +45,14 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock) static inline void arch_spin_unlock(arch_spinlock_t *lock) { - lock->slock = __ARCH_SPIN_LOCK_UNLOCKED__; + unsigned int tmp = __ARCH_SPIN_LOCK_UNLOCKED__; + + __asm__ __volatile__( + " ex %0, [%1] \n" + : "+r" (tmp) + : "r"(&(lock->slock)) + : "memory"); + smp_mb(); } diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h index 3242082..30c9baf 100644 --- a/arch/arc/include/asm/uaccess.h +++ b/arch/arc/include/asm/uaccess.h @@ -43,7 +43,7 @@ * Because it essentially checks if buffer end is within limit and @len is * non-ngeative, which implies that buffer start will be within limit too. * - * The reason for rewriting being, for majorit yof cases, @len is generally + * The reason for rewriting being, for majority of cases, @len is generally * compile time constant, causing first sub-expression to be compile time * subsumed. * @@ -53,7 +53,7 @@ * */ #define __user_ok(addr, sz) (((sz) <= TASK_SIZE) && \ - (((addr)+(sz)) <= get_fs())) + ((addr) <= (get_fs() - (sz)))) #define __access_ok(addr, sz) (unlikely(__kernel_ok) || \ likely(__user_ok((addr), (sz)))) diff --git a/arch/arc/kernel/ptrace.c b/arch/arc/kernel/ptrace.c index 3332385..5d76706 100644 --- a/arch/arc/kernel/ptrace.c +++ b/arch/arc/kernel/ptrace.c @@ -102,7 +102,7 @@ static int genregs_set(struct task_struct *target, REG_IGNORE_ONE(pad2); REG_IN_CHUNK(callee, efa, cregs); /* callee_regs[r25..r13] */ REG_IGNORE_ONE(efa); /* efa update invalid */ - REG_IN_ONE(stop_pc, &ptregs->ret); /* stop_pc: PC update */ + REG_IGNORE_ONE(stop_pc); /* PC updated via @ret */ return ret; } diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c index ee6ef2f..7e95e1a 100644 --- a/arch/arc/kernel/signal.c +++ b/arch/arc/kernel/signal.c @@ -101,7 +101,6 @@ SYSCALL_DEFINE0(rt_sigreturn) { struct rt_sigframe __user *sf; unsigned int magic; - int err; struct pt_regs *regs = current_pt_regs(); /* Always make any pending restarted system calls return -EINTR */ @@ -119,15 +118,16 @@ SYSCALL_DEFINE0(rt_sigreturn) if (!access_ok(VERIFY_READ, sf, sizeof(*sf))) goto badframe; - err = restore_usr_regs(regs, sf); - err |= __get_user(magic, &sf->sigret_magic); - if (err) + if (__get_user(magic, &sf->sigret_magic)) goto badframe; if (unlikely(is_do_ss_needed(magic))) if (restore_altstack(&sf->uc.uc_stack)) goto badframe; + if (restore_usr_regs(regs, sf)) + goto badframe; + /* Don't restart from sigreturn */ syscall_wont_restart(regs); @@ -191,6 +191,15 @@ setup_rt_frame(int signo, struct k_sigaction *ka, siginfo_t *info, return 1; /* + * w/o SA_SIGINFO, struct ucontext is partially populated (only + * uc_mcontext/uc_sigmask) for kernel's normal user state preservation + * during signal handler execution. This works for SA_SIGINFO as well + * although the semantics are now overloaded (the same reg state can be + * inspected by userland: but are they allowed to fiddle with it ? + */ + err |= stash_usr_regs(sf, regs, set); + + /* * SA_SIGINFO requires 3 args to signal handler: * #1: sig-no (common to any handler) * #2: struct siginfo @@ -213,14 +222,6 @@ setup_rt_frame(int signo, struct k_sigaction *ka, siginfo_t *info, magic = MAGIC_SIGALTSTK; } - /* - * w/o SA_SIGINFO, struct ucontext is partially populated (only - * uc_mcontext/uc_sigmask) for kernel's normal user state preservation - * during signal handler execution. This works for SA_SIGINFO as well - * although the semantics are now overloaded (the same reg state can be - * inspected by userland: but are they allowed to fiddle with it ? - */ - err |= stash_usr_regs(sf, regs, set); err |= __put_user(magic, &sf->sigret_magic); if (err) return err; diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c index 0e51e69..3fde7de 100644 --- a/arch/arc/kernel/time.c +++ b/arch/arc/kernel/time.c @@ -227,12 +227,9 @@ void __attribute__((weak)) arc_local_timer_setup(unsigned int cpu) { struct clock_event_device *clk = &per_cpu(arc_clockevent_device, cpu); - clockevents_calc_mult_shift(clk, arc_get_core_freq(), 5); - - clk->max_delta_ns = clockevent_delta2ns(ARC_TIMER_MAX, clk); clk->cpumask = cpumask_of(cpu); - - clockevents_register_device(clk); + clockevents_config_and_register(clk, arc_get_core_freq(), + 0, ARC_TIMER_MAX); /* * setup the per-cpu timer IRQ handler - for all cpus diff --git a/arch/arc/kernel/unaligned.c b/arch/arc/kernel/unaligned.c index 28d1700..7ff5b5c 100644 --- a/arch/arc/kernel/unaligned.c +++ b/arch/arc/kernel/unaligned.c @@ -245,6 +245,12 @@ int misaligned_fixup(unsigned long address, struct pt_regs *regs, regs->status32 &= ~STATUS_DE_MASK; } else { regs->ret += state.instr_len; + + /* handle zero-overhead-loop */ + if ((regs->ret == regs->lp_end) && (regs->lp_count)) { + regs->ret = regs->lp_start; + regs->lp_count--; + } } return 0; diff --git a/arch/arm/Makefile b/arch/arm/Makefile index a37a50f..db50b62 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -296,10 +296,15 @@ archprepare: # Convert bzImage to zImage bzImage: zImage -zImage Image xipImage bootpImage uImage: vmlinux +BOOT_TARGETS = zImage Image xipImage bootpImage uImage +INSTALL_TARGETS = zinstall uinstall install + +PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS) + +$(BOOT_TARGETS): vmlinux $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ -zinstall uinstall install: vmlinux +$(INSTALL_TARGETS): $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@ %.dtb: | scripts diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index 84aa2ca..ec2f806 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -95,24 +95,24 @@ initrd: @test "$(INITRD)" != "" || \ (echo You must specify INITRD; exit -1) -install: $(obj)/Image - $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ +install: + $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \ $(obj)/Image System.map "$(INSTALL_PATH)" -zinstall: $(obj)/zImage - $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ +zinstall: + $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \ $(obj)/zImage System.map "$(INSTALL_PATH)" -uinstall: $(obj)/uImage - $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ +uinstall: + $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \ $(obj)/uImage System.map "$(INSTALL_PATH)" zi: - $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ + $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \ $(obj)/zImage System.map "$(INSTALL_PATH)" i: - $(CONFIG_SHELL) $(srctree)/$(src)/install.sh $(KERNELRELEASE) \ + $(CONFIG_SHELL) $(srctree)/$(src)/install.sh "$(KERNELRELEASE)" \ $(obj)/Image System.map "$(INSTALL_PATH)" subdir- := bootp compressed dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index e95af3f..802720e 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -41,6 +41,8 @@ dtb-$(CONFIG_ARCH_AT91) += sama5d33ek.dtb dtb-$(CONFIG_ARCH_AT91) += sama5d34ek.dtb dtb-$(CONFIG_ARCH_AT91) += sama5d35ek.dtb +dtb-$(CONFIG_ARCH_ATLAS6) += atlas6-evb.dtb + dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb dtb-$(CONFIG_ARCH_BCM) += bcm11351-brt.dtb \ bcm28155-ap.dtb diff --git a/arch/arm/boot/dts/armada-370-netgear-rn102.dts b/arch/arm/boot/dts/armada-370-netgear-rn102.dts index 05e4485..8ac2ac1 100644 --- a/arch/arm/boot/dts/armada-370-netgear-rn102.dts +++ b/arch/arm/boot/dts/armada-370-netgear-rn102.dts @@ -27,6 +27,25 @@ }; soc { + ranges = <MBUS_ID(0xf0, 0x01) 0 0xd0000000 0x100000 + MBUS_ID(0x01, 0xe0) 0 0xfff00000 0x100000>; + + pcie-controller { + status = "okay"; + + /* Connected to Marvell SATA controller */ + pcie@1,0 { + /* Port 0, Lane 0 */ + status = "okay"; + }; + + /* Connected to FL1009 USB 3.0 controller */ + pcie@2,0 { + /* Port 1, Lane 0 */ + status = "okay"; + }; + }; + internal-regs { serial@12000 { clock-frequency = <200000000>; @@ -57,6 +76,11 @@ marvell,pins = "mpp56"; marvell,function = "gpio"; }; + + poweroff: poweroff { + marvell,pins = "mpp8"; + marvell,function = "gpio"; + }; }; mdio { @@ -89,22 +113,6 @@ pwm_polarity = <0>; }; }; - - pcie-controller { - status = "okay"; - - /* Connected to Marvell SATA controller */ - pcie@1,0 { - /* Port 0, Lane 0 */ - status = "okay"; - }; - - /* Connected to FL1009 USB 3.0 controller */ - pcie@2,0 { - /* Port 1, Lane 0 */ - status = "okay"; - }; - }; }; }; @@ -160,7 +168,7 @@ button@1 { label = "Power Button"; linux,code = <116>; /* KEY_POWER */ - gpios = <&gpio1 30 1>; + gpios = <&gpio1 30 0>; }; button@2 { @@ -176,4 +184,11 @@ }; }; + gpio_poweroff { + compatible = "gpio-poweroff"; + pinctrl-0 = <&poweroff>; + pinctrl-names = "default"; + gpios = <&gpio0 8 1>; + }; + }; diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi index def125c..3058522 100644 --- a/arch/arm/boot/dts/armada-xp.dtsi +++ b/arch/arm/boot/dts/armada-xp.dtsi @@ -70,6 +70,8 @@ timer@20300 { compatible = "marvell,armada-xp-timer"; + clocks = <&coreclk 2>, <&refclk>; + clock-names = "nbclk", "fixed"; }; coreclk: mvebu-sar@18230 { @@ -169,4 +171,13 @@ }; }; }; + + clocks { + /* 25 MHz reference crystal */ + refclk: oscillator { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <25000000>; + }; + }; }; diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index cf78ac0..e74dc15 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -190,12 +190,12 @@ AT91_PIOA 8 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA8 periph A */ }; - pinctrl_uart2_rts: uart2_rts-0 { + pinctrl_usart2_rts: usart2_rts-0 { atmel,pins = <AT91_PIOB 0 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PB0 periph B */ }; - pinctrl_uart2_cts: uart2_cts-0 { + pinctrl_usart2_cts: usart2_cts-0 { atmel,pins = <AT91_PIOB 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PB1 periph B */ }; @@ -556,6 +556,7 @@ interrupts = <12 IRQ_TYPE_LEVEL_HIGH 0>; dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(0)>; dma-names = "rxtx"; + pinctrl-names = "default"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -567,6 +568,7 @@ interrupts = <26 IRQ_TYPE_LEVEL_HIGH 0>; dmas = <&dma1 1 AT91_DMA_CFG_PER_ID(0)>; dma-names = "rxtx"; + pinctrl-names = "default"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; diff --git a/arch/arm/boot/dts/atlas6.dtsi b/arch/arm/boot/dts/atlas6.dtsi index 8678e0c..6db4f81 100644 --- a/arch/arm/boot/dts/atlas6.dtsi +++ b/arch/arm/boot/dts/atlas6.dtsi @@ -181,6 +181,8 @@ interrupts = <17>; fifosize = <128>; clocks = <&clks 13>; + sirf,uart-dma-rx-channel = <21>; + sirf,uart-dma-tx-channel = <2>; }; uart1: uart@b0060000 { @@ -199,6 +201,8 @@ interrupts = <19>; fifosize = <128>; clocks = <&clks 15>; + sirf,uart-dma-rx-channel = <6>; + sirf,uart-dma-tx-channel = <7>; }; usp0: usp@b0080000 { @@ -206,7 +210,10 @@ compatible = "sirf,prima2-usp"; reg = <0xb0080000 0x10000>; interrupts = <20>; + fifosize = <128>; clocks = <&clks 28>; + sirf,usp-dma-rx-channel = <17>; + sirf,usp-dma-tx-channel = <18>; }; usp1: usp@b0090000 { @@ -214,7 +221,10 @@ compatible = "sirf,prima2-usp"; reg = <0xb0090000 0x10000>; interrupts = <21>; + fifosize = <128>; clocks = <&clks 29>; + sirf,usp-dma-rx-channel = <14>; + sirf,usp-dma-tx-channel = <15>; }; dmac0: dma-controller@b00b0000 { @@ -237,6 +247,8 @@ compatible = "sirf,prima2-vip"; reg = <0xb00C0000 0x10000>; clocks = <&clks 31>; + interrupts = <14>; + sirf,vip-dma-rx-channel = <16>; }; spi0: spi@b00d0000 { diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi index 7d7cc77..bbac42a 100644 --- a/arch/arm/boot/dts/exynos5250.dtsi +++ b/arch/arm/boot/dts/exynos5250.dtsi @@ -96,6 +96,11 @@ <1 14 0xf08>, <1 11 0xf08>, <1 10 0xf08>; + /* Unfortunately we need this since some versions of U-Boot + * on Exynos don't set the CNTFRQ register, so we need the + * value from DT. + */ + clock-frequency = <24000000>; }; mct@101C0000 { diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi index cf7aeaf..1335b2e 100644 --- a/arch/arm/boot/dts/kirkwood.dtsi +++ b/arch/arm/boot/dts/kirkwood.dtsi @@ -13,6 +13,7 @@ cpu@0 { device_type = "cpu"; compatible = "marvell,feroceon"; + reg = <0>; clocks = <&core_clk 1>, <&core_clk 3>, <&gate_clk 11>; clock-names = "cpu_clk", "ddrclk", "powersave"; }; @@ -167,7 +168,7 @@ xor@60900 { compatible = "marvell,orion-xor"; reg = <0x60900 0x100 - 0xd0B00 0x100>; + 0x60B00 0x100>; status = "okay"; clocks = <&gate_clk 16>; diff --git a/arch/arm/boot/dts/omap3-beagle-xm.dts b/arch/arm/boot/dts/omap3-beagle-xm.dts index 0c514dc..2816bf6 100644 --- a/arch/arm/boot/dts/omap3-beagle-xm.dts +++ b/arch/arm/boot/dts/omap3-beagle-xm.dts @@ -11,7 +11,7 @@ / { model = "TI OMAP3 BeagleBoard xM"; - compatible = "ti,omap3-beagle-xm", "ti,omap3-beagle", "ti,omap3"; + compatible = "ti,omap3-beagle-xm", "ti,omap36xx", "ti,omap3"; cpus { cpu@0 { diff --git a/arch/arm/boot/dts/omap3.dtsi b/arch/arm/boot/dts/omap3.dtsi index 7d95cda..b41bd57 100644 --- a/arch/arm/boot/dts/omap3.dtsi +++ b/arch/arm/boot/dts/omap3.dtsi @@ -108,7 +108,7 @@ #address-cells = <1>; #size-cells = <0>; pinctrl-single,register-width = <16>; - pinctrl-single,function-mask = <0x7f1f>; + pinctrl-single,function-mask = <0xff1f>; }; omap3_pmx_wkup: pinmux@0x48002a00 { @@ -117,7 +117,7 @@ #address-cells = <1>; #size-cells = <0>; pinctrl-single,register-width = <16>; - pinctrl-single,function-mask = <0x7f1f>; + pinctrl-single,function-mask = <0xff1f>; }; gpio1: gpio@48310000 { diff --git a/arch/arm/boot/dts/prima2.dtsi b/arch/arm/boot/dts/prima2.dtsi index bbeb623..27ed9f5 100644 --- a/arch/arm/boot/dts/prima2.dtsi +++ b/arch/arm/boot/dts/prima2.dtsi @@ -171,7 +171,8 @@ compatible = "simple-bus"; #address-cells = <1>; #size-cells = <1>; - ranges = <0xb0000000 0xb0000000 0x180000>; + ranges = <0xb0000000 0xb0000000 0x180000>, + <0x56000000 0x56000000 0x1b00000>; timer@b0020000 { compatible = "sirf,prima2-tick"; @@ -196,25 +197,32 @@ uart0: uart@b0050000 { cell-index = <0>; compatible = "sirf,prima2-uart"; - reg = <0xb0050000 0x10000>; + reg = <0xb0050000 0x1000>; interrupts = <17>; + fifosize = <128>; clocks = <&clks 13>; + sirf,uart-dma-rx-channel = <21>; + sirf,uart-dma-tx-channel = <2>; }; uart1: uart@b0060000 { cell-index = <1>; compatible = "sirf,prima2-uart"; - reg = <0xb0060000 0x10000>; + reg = <0xb0060000 0x1000>; interrupts = <18>; + fifosize = <32>; clocks = <&clks 14>; }; uart2: uart@b0070000 { cell-index = <2>; compatible = "sirf,prima2-uart"; - reg = <0xb0070000 0x10000>; + reg = <0xb0070000 0x1000>; interrupts = <19>; + fifosize = <128>; clocks = <&clks 15>; + sirf,uart-dma-rx-channel = <6>; + sirf,uart-dma-tx-channel = <7>; }; usp0: usp@b0080000 { @@ -222,7 +230,10 @@ compatible = "sirf,prima2-usp"; reg = <0xb0080000 0x10000>; interrupts = <20>; + fifosize = <128>; clocks = <&clks 28>; + sirf,usp-dma-rx-channel = <17>; + sirf,usp-dma-tx-channel = <18>; }; usp1: usp@b0090000 { @@ -230,7 +241,10 @@ compatible = "sirf,prima2-usp"; reg = <0xb0090000 0x10000>; interrupts = <21>; + fifosize = <128>; clocks = <&clks 29>; + sirf,usp-dma-rx-channel = <14>; + sirf,usp-dma-tx-channel = <15>; }; usp2: usp@b00a0000 { @@ -238,7 +252,10 @@ compatible = "sirf,prima2-usp"; reg = <0xb00a0000 0x10000>; interrupts = <22>; + fifosize = <128>; clocks = <&clks 30>; + sirf,usp-dma-rx-channel = <10>; + sirf,usp-dma-tx-channel = <11>; }; dmac0: dma-controller@b00b0000 { @@ -261,6 +278,8 @@ compatible = "sirf,prima2-vip"; reg = <0xb00C0000 0x10000>; clocks = <&clks 31>; + interrupts = <14>; + sirf,vip-dma-rx-channel = <16>; }; spi0: spi@b00d0000 { diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi index 6c26caa..658fcc5 100644 --- a/arch/arm/boot/dts/r8a73a4.dtsi +++ b/arch/arm/boot/dts/r8a73a4.dtsi @@ -193,7 +193,7 @@ }; sdhi0: sdhi@ee100000 { - compatible = "renesas,r8a73a4-sdhi"; + compatible = "renesas,sdhi-r8a73a4"; reg = <0 0xee100000 0 0x100>; interrupt-parent = <&gic>; interrupts = <0 165 4>; @@ -202,7 +202,7 @@ }; sdhi1: sdhi@ee120000 { - compatible = "renesas,r8a73a4-sdhi"; + compatible = "renesas,sdhi-r8a73a4"; reg = <0 0xee120000 0 0x100>; interrupt-parent = <&gic>; interrupts = <0 166 4>; @@ -211,7 +211,7 @@ }; sdhi2: sdhi@ee140000 { - compatible = "renesas,r8a73a4-sdhi"; + compatible = "renesas,sdhi-r8a73a4"; reg = <0 0xee140000 0 0x100>; interrupt-parent = <&gic>; interrupts = <0 167 4>; diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi index 45ac404..3577aba 100644 --- a/arch/arm/boot/dts/r8a7778.dtsi +++ b/arch/arm/boot/dts/r8a7778.dtsi @@ -96,6 +96,5 @@ pfc: pfc@fffc0000 { compatible = "renesas,pfc-r8a7778"; reg = <0xfffc000 0x118>; - #gpio-range-cells = <3>; }; }; diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi index 23a6244..ebbe507 100644 --- a/arch/arm/boot/dts/r8a7779.dtsi +++ b/arch/arm/boot/dts/r8a7779.dtsi @@ -188,7 +188,6 @@ pfc: pfc@fffc0000 { compatible = "renesas,pfc-r8a7779"; reg = <0xfffc0000 0x23c>; - #gpio-range-cells = <3>; }; thermal@ffc48000 { diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi index 3b879e7..413b4c2 100644 --- a/arch/arm/boot/dts/r8a7790.dtsi +++ b/arch/arm/boot/dts/r8a7790.dtsi @@ -148,11 +148,10 @@ pfc: pfc@e6060000 { compatible = "renesas,pfc-r8a7790"; reg = <0 0xe6060000 0 0x250>; - #gpio-range-cells = <3>; }; sdhi0: sdhi@ee100000 { - compatible = "renesas,r8a7790-sdhi"; + compatible = "renesas,sdhi-r8a7790"; reg = <0 0xee100000 0 0x100>; interrupt-parent = <&gic>; interrupts = <0 165 4>; @@ -161,7 +160,7 @@ }; sdhi1: sdhi@ee120000 { - compatible = "renesas,r8a7790-sdhi"; + compatible = "renesas,sdhi-r8a7790"; reg = <0 0xee120000 0 0x100>; interrupt-parent = <&gic>; interrupts = <0 166 4>; @@ -170,7 +169,7 @@ }; sdhi2: sdhi@ee140000 { - compatible = "renesas,r8a7790-sdhi"; + compatible = "renesas,sdhi-r8a7790"; reg = <0 0xee140000 0 0x100>; interrupt-parent = <&gic>; interrupts = <0 167 4>; @@ -179,7 +178,7 @@ }; sdhi3: sdhi@ee160000 { - compatible = "renesas,r8a7790-sdhi"; + compatible = "renesas,sdhi-r8a7790"; reg = <0 0xee160000 0 0x100>; interrupt-parent = <&gic>; interrupts = <0 168 4>; diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi index ba59a58..3955c76 100644 --- a/arch/arm/boot/dts/sh73a0.dtsi +++ b/arch/arm/boot/dts/sh73a0.dtsi @@ -196,7 +196,7 @@ }; sdhi0: sdhi@ee100000 { - compatible = "renesas,r8a7740-sdhi"; + compatible = "renesas,sdhi-r8a7740"; reg = <0xee100000 0x100>; interrupt-parent = <&gic>; interrupts = <0 83 4 @@ -208,7 +208,7 @@ /* SDHI1 and SDHI2 have no CD pins, no need for CD IRQ */ sdhi1: sdhi@ee120000 { - compatible = "renesas,r8a7740-sdhi"; + compatible = "renesas,sdhi-r8a7740"; reg = <0xee120000 0x100>; interrupt-parent = <&gic>; interrupts = <0 88 4 @@ -219,7 +219,7 @@ }; sdhi2: sdhi@ee140000 { - compatible = "renesas,r8a7740-sdhi"; + compatible = "renesas,sdhi-r8a7740"; reg = <0xee140000 0x100>; interrupt-parent = <&gic>; interrupts = <0 104 4 diff --git a/arch/arm/boot/dts/testcases/tests-interrupts.dtsi b/arch/arm/boot/dts/testcases/tests-interrupts.dtsi new file mode 100644 index 0000000..c843720 --- /dev/null +++ b/arch/arm/boot/dts/testcases/tests-interrupts.dtsi @@ -0,0 +1,58 @@ + +/ { + testcase-data { + interrupts { + #address-cells = <1>; + #size-cells = <1>; + test_intc0: intc0 { + interrupt-controller; + #interrupt-cells = <1>; + }; + + test_intc1: intc1 { + interrupt-controller; + #interrupt-cells = <3>; + }; + + test_intc2: intc2 { + interrupt-controller; + #interrupt-cells = <2>; + }; + + test_intmap0: intmap0 { + #interrupt-cells = <1>; + #address-cells = <0>; + interrupt-map = <1 &test_intc0 9>, + <2 &test_intc1 10 11 12>, + <3 &test_intc2 13 14>, + <4 &test_intc2 15 16>; + }; + + test_intmap1: intmap1 { + #interrupt-cells = <2>; + interrupt-map = <0x5000 1 2 &test_intc0 15>; + }; + + interrupts0 { + interrupt-parent = <&test_intc0>; + interrupts = <1>, <2>, <3>, <4>; + }; + + interrupts1 { + interrupt-parent = <&test_intmap0>; + interrupts = <1>, <2>, <3>, <4>; + }; + + interrupts-extended0 { + reg = <0x5000 0x100>; + interrupts-extended = <&test_intc0 1>, + <&test_intc1 2 3 4>, + <&test_intc2 5 6>, + <&test_intmap0 1>, + <&test_intmap0 2>, + <&test_intmap0 3>, + <&test_intmap1 1 2>; + }; + }; + }; +}; diff --git a/arch/arm/boot/dts/testcases/tests.dtsi b/arch/arm/boot/dts/testcases/tests.dtsi index a7c5067..3f123ec 100644 --- a/arch/arm/boot/dts/testcases/tests.dtsi +++ b/arch/arm/boot/dts/testcases/tests.dtsi @@ -1 +1,2 @@ /include/ "tests-phandle.dtsi" +/include/ "tests-interrupts.dtsi" diff --git a/arch/arm/boot/dts/versatile-ab.dts b/arch/arm/boot/dts/versatile-ab.dts index dde75ae..e01e5a0 100644 --- a/arch/arm/boot/dts/versatile-ab.dts +++ b/arch/arm/boot/dts/versatile-ab.dts @@ -185,7 +185,7 @@ mmc@5000 { compatible = "arm,primecell"; reg = < 0x5000 0x1000>; - interrupts = <22 34>; + interrupts-extended = <&vic 22 &sic 2>; }; kmi@6000 { compatible = "arm,pl050", "arm,primecell"; diff --git a/arch/arm/boot/dts/versatile-pb.dts b/arch/arm/boot/dts/versatile-pb.dts index 7e81752..f43907c 100644 --- a/arch/arm/boot/dts/versatile-pb.dts +++ b/arch/arm/boot/dts/versatile-pb.dts @@ -41,7 +41,7 @@ mmc@b000 { compatible = "arm,primecell"; reg = <0xb000 0x1000>; - interrupts = <23 34>; + interrupts-extended = <&vic 23 &sic 2>; }; }; }; diff --git a/arch/arm/boot/install.sh b/arch/arm/boot/install.sh index 06ea7d4..2a45092 100644 --- a/arch/arm/boot/install.sh +++ b/arch/arm/boot/install.sh @@ -20,6 +20,20 @@ # $4 - default install path (blank if root directory) # +verify () { + if [ ! -f "$1" ]; then + echo "" 1>&2 + echo " *** Missing file: $1" 1>&2 + echo ' *** You need to run "make" before "make install".' 1>&2 + echo "" 1>&2 + exit 1 + fi +} + +# Make sure the files actually exist +verify "$2" +verify "$3" + # User may have a custom install script if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c index 117f955..8e1a024 100644 --- a/arch/arm/common/edma.c +++ b/arch/arm/common/edma.c @@ -269,6 +269,11 @@ static const struct edmacc_param dummy_paramset = { .ccnt = 1, }; +static const struct of_device_id edma_of_ids[] = { + { .compatible = "ti,edma3", }, + {} +}; + /*****************************************************************************/ static void map_dmach_queue(unsigned ctlr, unsigned ch_no, @@ -560,14 +565,38 @@ static int reserve_contiguous_slots(int ctlr, unsigned int id, static int prepare_unused_channel_list(struct device *dev, void *data) { struct platform_device *pdev = to_platform_device(dev); - int i, ctlr; + int i, count, ctlr; + struct of_phandle_args dma_spec; + if (dev->of_node) { + count = of_property_count_strings(dev->of_node, "dma-names"); + if (count < 0) + return 0; + for (i = 0; i < count; i++) { + if (of_parse_phandle_with_args(dev->of_node, "dmas", + "#dma-cells", i, + &dma_spec)) + continue; + + if (!of_match_node(edma_of_ids, dma_spec.np)) { + of_node_put(dma_spec.np); + continue; + } + + clear_bit(EDMA_CHAN_SLOT(dma_spec.args[0]), + edma_cc[0]->edma_unused); + of_node_put(dma_spec.np); + } + return 0; + } + + /* For non-OF case */ for (i = 0; i < pdev->num_resources; i++) { if ((pdev->resource[i].flags & IORESOURCE_DMA) && (int)pdev->resource[i].start >= 0) { ctlr = EDMA_CTLR(pdev->resource[i].start); clear_bit(EDMA_CHAN_SLOT(pdev->resource[i].start), - edma_cc[ctlr]->edma_unused); + edma_cc[ctlr]->edma_unused); } } @@ -1762,11 +1791,6 @@ static int edma_probe(struct platform_device *pdev) return 0; } -static const struct of_device_id edma_of_ids[] = { - { .compatible = "ti,edma3", }, - {} -}; - static struct platform_driver edma_driver = { .driver = { .name = "edma", diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index f3935b4..119fc37 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -135,6 +135,7 @@ CONFIG_MMC=y CONFIG_MMC_ARMMMCI=y CONFIG_MMC_SDHCI=y CONFIG_MMC_SDHCI_PLTFM=y +CONFIG_MMC_SDHCI_ESDHC_IMX=y CONFIG_MMC_SDHCI_TEGRA=y CONFIG_MMC_SDHCI_SPEAR=y CONFIG_MMC_OMAP=y diff --git a/arch/arm/include/asm/jump_label.h b/arch/arm/include/asm/jump_label.h index bfc198c..863c892 100644 --- a/arch/arm/include/asm/jump_label.h +++ b/arch/arm/include/asm/jump_label.h @@ -16,7 +16,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("1:\n\t" + asm_volatile_goto("1:\n\t" JUMP_LABEL_NOP "\n\t" ".pushsection __jump_table, \"aw\"\n\t" ".word 1b, %l[l_yes], %c0\n\t" diff --git a/arch/arm/kvm/reset.c b/arch/arm/kvm/reset.c index 71e08ba..c02ba4a 100644 --- a/arch/arm/kvm/reset.c +++ b/arch/arm/kvm/reset.c @@ -58,14 +58,14 @@ static const struct kvm_irq_level a15_vtimer_irq = { */ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) { - struct kvm_regs *cpu_reset; + struct kvm_regs *reset_regs; const struct kvm_irq_level *cpu_vtimer_irq; switch (vcpu->arch.target) { case KVM_ARM_TARGET_CORTEX_A15: if (vcpu->vcpu_id > a15_max_cpu_idx) return -EINVAL; - cpu_reset = &a15_regs_reset; + reset_regs = &a15_regs_reset; vcpu->arch.midr = read_cpuid_id(); cpu_vtimer_irq = &a15_vtimer_irq; break; @@ -74,7 +74,7 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu) } /* Reset core registers */ - memcpy(&vcpu->arch.regs, cpu_reset, sizeof(vcpu->arch.regs)); + memcpy(&vcpu->arch.regs, reset_regs, sizeof(vcpu->arch.regs)); /* Reset CP15 registers */ kvm_reset_coprocs(vcpu); diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c index 180b302..f607deb 100644 --- a/arch/arm/mach-at91/at91rm9200_time.c +++ b/arch/arm/mach-at91/at91rm9200_time.c @@ -93,7 +93,7 @@ static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id) static struct irqaction at91rm9200_timer_irq = { .name = "at91_tick", - .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .flags = IRQF_SHARED | IRQF_TIMER | IRQF_IRQPOLL, .handler = at91rm9200_timer_interrupt, .irq = NR_IRQS_LEGACY + AT91_ID_SYS, }; diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c index 3a4bc2e..bb39232 100644 --- a/arch/arm/mach-at91/at91sam926x_time.c +++ b/arch/arm/mach-at91/at91sam926x_time.c @@ -171,7 +171,7 @@ static irqreturn_t at91sam926x_pit_interrupt(int irq, void *dev_id) static struct irqaction at91sam926x_pit_irq = { .name = "at91_tick", - .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, + .flags = IRQF_SHARED | IRQF_TIMER | IRQF_IRQPOLL, .handler = at91sam926x_pit_interrupt, .irq = NR_IRQS_LEGACY + AT91_ID_SYS, }; diff --git a/arch/arm/mach-at91/at91sam9g45_reset.S b/arch/arm/mach-at91/at91sam9g45_reset.S index 721a1a3..c40c1e2 100644 --- a/arch/arm/mach-at91/at91sam9g45_reset.S +++ b/arch/arm/mach-at91/at91sam9g45_reset.S @@ -16,11 +16,17 @@ #include "at91_rstc.h" .arm +/* + * at91_ramc_base is an array void* + * init at NULL if only one DDR controler is present in or DT + */ .globl at91sam9g45_restart at91sam9g45_restart: ldr r5, =at91_ramc_base @ preload constants ldr r0, [r5] + ldr r5, [r5, #4] @ ddr1 + cmp r5, #0 ldr r4, =at91_rstc_base ldr r1, [r4] @@ -30,6 +36,8 @@ at91sam9g45_restart: .balign 32 @ align to cache line + strne r2, [r5, #AT91_DDRSDRC_RTR] @ disable DDR1 access + strne r3, [r5, #AT91_DDRSDRC_LPR] @ power down DDR1 str r2, [r0, #AT91_DDRSDRC_RTR] @ disable DDR0 access str r3, [r0, #AT91_DDRSDRC_LPR] @ power down DDR0 str r4, [r1, #AT91_RSTC_CR] @ reset processor diff --git a/arch/arm/mach-at91/at91x40_time.c b/arch/arm/mach-at91/at91x40_time.c index 2919eba..c0e637a 100644 --- a/arch/arm/mach-at91/at91x40_time.c +++ b/arch/arm/mach-at91/at91x40_time.c @@ -57,7 +57,7 @@ static irqreturn_t at91x40_timer_interrupt(int irq, void *dev_id) static struct irqaction at91x40_timer_irq = { .name = "at91_tick", - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_TIMER, .handler = at91x40_timer_interrupt }; diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index 92b7f77..4078ba9 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -176,7 +176,7 @@ static struct at24_platform_data eeprom_info = { .context = (void *)0x7f00, }; -static struct snd_platform_data dm365_evm_snd_data = { +static struct snd_platform_data dm365_evm_snd_data __maybe_unused = { .asp_chan_q = EVENTQ_3, }; diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h index 52b8571..ce402cd 100644 --- a/arch/arm/mach-davinci/include/mach/serial.h +++ b/arch/arm/mach-davinci/include/mach/serial.h @@ -15,8 +15,6 @@ #include <mach/hardware.h> -#include <linux/platform_device.h> - #define DAVINCI_UART0_BASE (IO_PHYS + 0x20000) #define DAVINCI_UART1_BASE (IO_PHYS + 0x20400) #define DAVINCI_UART2_BASE (IO_PHYS + 0x20800) @@ -39,6 +37,8 @@ #define UART_DM646X_SCR_TX_WATERMARK 0x08 #ifndef __ASSEMBLY__ +#include <linux/platform_device.h> + extern int davinci_serial_init(struct platform_device *); #endif diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c index bef1005..a87e510 100644 --- a/arch/arm/mach-integrator/pci_v3.c +++ b/arch/arm/mach-integrator/pci_v3.c @@ -835,22 +835,6 @@ static struct hw_pci pci_v3 __initdata = { #ifdef CONFIG_OF -static int __init pci_v3_map_irq_dt(const struct pci_dev *dev, u8 slot, u8 pin) -{ - struct of_irq oirq; - int ret; - - ret = of_irq_map_pci(dev, &oirq); - if (ret) { - dev_err(&dev->dev, "of_irq_map_pci() %d\n", ret); - /* Proper return code 0 == NO_IRQ */ - return 0; - } - - return irq_create_of_mapping(oirq.controller, oirq.specifier, - oirq.size); -} - static int __init pci_v3_dtprobe(struct platform_device *pdev, struct device_node *np) { @@ -919,7 +903,7 @@ static int __init pci_v3_dtprobe(struct platform_device *pdev, return -EINVAL; } - pci_v3.map_irq = pci_v3_map_irq_dt; + pci_v3.map_irq = of_irq_parse_and_map_pci; pci_common_init_dev(&pdev->dev, &pci_v3); return 0; diff --git a/arch/arm/mach-integrator/pci_v3.h b/arch/arm/mach-integrator/pci_v3.h index 755fd29..06a9e2e 100644 --- a/arch/arm/mach-integrator/pci_v3.h +++ b/arch/arm/mach-integrator/pci_v3.h @@ -1,2 +1,9 @@ /* Simple oneliner include to the PCIv3 early init */ +#ifdef CONFIG_PCI extern int pci_v3_early_init(void); +#else +static inline int pci_v3_early_init(void) +{ + return 0; +} +#endif diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c index 4c24303..58adf2f 100644 --- a/arch/arm/mach-mvebu/coherency.c +++ b/arch/arm/mach-mvebu/coherency.c @@ -140,6 +140,7 @@ int __init coherency_init(void) coherency_base = of_iomap(np, 0); coherency_cpu_base = of_iomap(np, 1); set_cpu_coherent(cpu_logical_map(smp_processor_id()), 0); + of_node_put(np); } return 0; @@ -147,9 +148,14 @@ int __init coherency_init(void) static int __init coherency_late_init(void) { - if (of_find_matching_node(NULL, of_coherency_table)) + struct device_node *np; + + np = of_find_matching_node(NULL, of_coherency_table); + if (np) { bus_register_notifier(&platform_bus_type, &mvebu_hwcc_platform_nb); + of_node_put(np); + } return 0; } diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c index 3cc4bef..27fc4f0 100644 --- a/arch/arm/mach-mvebu/pmsu.c +++ b/arch/arm/mach-mvebu/pmsu.c @@ -67,6 +67,7 @@ int __init armada_370_xp_pmsu_init(void) pr_info("Initializing Power Management Service Unit\n"); pmsu_mp_base = of_iomap(np, 0); pmsu_reset_base = of_iomap(np, 1); + of_node_put(np); } return 0; diff --git a/arch/arm/mach-mvebu/system-controller.c b/arch/arm/mach-mvebu/system-controller.c index f875124..5175083c 100644 --- a/arch/arm/mach-mvebu/system-controller.c +++ b/arch/arm/mach-mvebu/system-controller.c @@ -98,6 +98,7 @@ static int __init mvebu_system_controller_init(void) BUG_ON(!match); system_controller_base = of_iomap(np, 0); mvebu_sc = (struct mvebu_system_controller *)match->data; + of_node_put(np); } return 0; diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index 39c7838..87162e1 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -129,6 +129,24 @@ DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)") .restart = omap3xxx_restart, MACHINE_END +static const char *omap36xx_boards_compat[] __initdata = { + "ti,omap36xx", + NULL, +}; + +DT_MACHINE_START(OMAP36XX_DT, "Generic OMAP36xx (Flattened Device Tree)") + .reserve = omap_reserve, + .map_io = omap3_map_io, + .init_early = omap3630_init_early, + .init_irq = omap_intc_of_init, + .handle_irq = omap3_intc_handle_irq, + .init_machine = omap_generic_init, + .init_late = omap3_init_late, + .init_time = omap3_sync32k_timer_init, + .dt_compat = omap36xx_boards_compat, + .restart = omap3xxx_restart, +MACHINE_END + static const char *omap3_gp_boards_compat[] __initdata = { "ti,omap3-beagle", "timll,omap3-devkit8000", diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c index c3270c0..f6fe388 100644 --- a/arch/arm/mach-omap2/board-rx51-peripherals.c +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -167,38 +167,47 @@ static struct lp55xx_led_config rx51_lp5523_led_config[] = { .name = "lp5523:kb1", .chan_nr = 0, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:kb2", .chan_nr = 1, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:kb3", .chan_nr = 2, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:kb4", .chan_nr = 3, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:b", .chan_nr = 4, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:g", .chan_nr = 5, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:r", .chan_nr = 6, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:kb5", .chan_nr = 7, .led_current = 50, + .max_current = 100, }, { .name = "lp5523:kb6", .chan_nr = 8, .led_current = 50, + .max_current = 100, } }; diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c index 64b5a83..8b6876c 100644 --- a/arch/arm/mach-omap2/gpmc-onenand.c +++ b/arch/arm/mach-omap2/gpmc-onenand.c @@ -272,9 +272,19 @@ static int omap2_onenand_setup_async(void __iomem *onenand_base) struct gpmc_timings t; int ret; - if (gpmc_onenand_data->of_node) + if (gpmc_onenand_data->of_node) { gpmc_read_settings_dt(gpmc_onenand_data->of_node, &onenand_async); + if (onenand_async.sync_read || onenand_async.sync_write) { + if (onenand_async.sync_write) + gpmc_onenand_data->flags |= + ONENAND_SYNC_READWRITE; + else + gpmc_onenand_data->flags |= ONENAND_SYNC_READ; + onenand_async.sync_read = false; + onenand_async.sync_write = false; + } + } omap2_onenand_set_async_mode(onenand_base); diff --git a/arch/arm/mach-omap2/mux.h b/arch/arm/mach-omap2/mux.h index 5d2080e..16f78a9 100644 --- a/arch/arm/mach-omap2/mux.h +++ b/arch/arm/mach-omap2/mux.h @@ -28,7 +28,7 @@ #define OMAP_PULL_UP (1 << 4) #define OMAP_ALTELECTRICALSEL (1 << 5) -/* 34xx specific mux bit defines */ +/* omap3/4/5 specific mux bit defines */ #define OMAP_INPUT_EN (1 << 8) #define OMAP_OFF_EN (1 << 9) #define OMAP_OFFOUT_EN (1 << 10) @@ -36,8 +36,6 @@ #define OMAP_OFF_PULL_EN (1 << 12) #define OMAP_OFF_PULL_UP (1 << 13) #define OMAP_WAKEUP_EN (1 << 14) - -/* 44xx specific mux bit defines */ #define OMAP_WAKEUP_EVENT (1 << 15) /* Active pin states */ diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index fa74a06..ead48fa 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -628,7 +628,7 @@ void __init omap4_local_timer_init(void) #endif /* CONFIG_HAVE_ARM_TWD */ #endif /* CONFIG_ARCH_OMAP4 */ -#ifdef CONFIG_SOC_OMAP5 +#if defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX) void __init omap5_realtime_timer_init(void) { omap4_sync32k_timer_init(); @@ -636,7 +636,7 @@ void __init omap5_realtime_timer_init(void) clocksource_of_init(); } -#endif /* CONFIG_SOC_OMAP5 */ +#endif /* CONFIG_SOC_OMAP5 || CONFIG_SOC_DRA7XX */ /** * omap_timer_init - build and register timer device with an diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c index 5bd1479..7f8f607 100644 --- a/arch/arm/mach-shmobile/board-armadillo800eva.c +++ b/arch/arm/mach-shmobile/board-armadillo800eva.c @@ -1108,9 +1108,9 @@ static const struct pinctrl_map eva_pinctrl_map[] = { PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.1", "pfc-r8a7740", "fsib_mclk_in", "fsib"), /* GETHER */ - PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740", + PIN_MAP_MUX_GROUP_DEFAULT("r8a7740-gether", "pfc-r8a7740", "gether_mii", "gether"), - PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740", + PIN_MAP_MUX_GROUP_DEFAULT("r8a7740-gether", "pfc-r8a7740", "gether_int", "gether"), /* HDMI */ PIN_MAP_MUX_GROUP_DEFAULT("sh-mobile-hdmi", "pfc-r8a7740", diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c index ffb6f0a..5930af8 100644 --- a/arch/arm/mach-shmobile/board-lager.c +++ b/arch/arm/mach-shmobile/board-lager.c @@ -29,6 +29,7 @@ #include <linux/pinctrl/machine.h> #include <linux/platform_data/gpio-rcar.h> #include <linux/platform_device.h> +#include <linux/phy.h> #include <linux/regulator/fixed.h> #include <linux/regulator/machine.h> #include <linux/sh_eth.h> @@ -155,6 +156,30 @@ static void __init lager_add_standard_devices(void) ðer_pdata, sizeof(ether_pdata)); } +/* + * Ether LEDs on the Lager board are named LINK and ACTIVE which corresponds + * to non-default 01 setting of the Micrel KSZ8041 PHY control register 1 bits + * 14-15. We have to set them back to 01 from the default 00 value each time + * the PHY is reset. It's also important because the PHY's LED0 signal is + * connected to SoC's ETH_LINK signal and in the PHY's default mode it will + * bounce on and off after each packet, which we apparently want to avoid. + */ +static int lager_ksz8041_fixup(struct phy_device *phydev) +{ + u16 phyctrl1 = phy_read(phydev, 0x1e); + + phyctrl1 &= ~0xc000; + phyctrl1 |= 0x4000; + return phy_write(phydev, 0x1e, phyctrl1); +} + +static void __init lager_init(void) +{ + lager_add_standard_devices(); + + phy_register_fixup_for_id("r8a7790-ether-ff:01", lager_ksz8041_fixup); +} + static const char *lager_boards_compat_dt[] __initdata = { "renesas,lager", NULL, @@ -163,6 +188,6 @@ static const char *lager_boards_compat_dt[] __initdata = { DT_MACHINE_START(LAGER_DT, "lager") .init_early = r8a7790_init_delay, .init_time = r8a7790_timer_init, - .init_machine = lager_add_standard_devices, + .init_machine = lager_init, .dt_compat = lager_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-u300/timer.c b/arch/arm/mach-u300/timer.c index b5db207..9a5f9fb 100644 --- a/arch/arm/mach-u300/timer.c +++ b/arch/arm/mach-u300/timer.c @@ -358,8 +358,7 @@ static struct delay_timer u300_delay_timer; */ static void __init u300_timer_init_of(struct device_node *np) { - struct resource irq_res; - int irq; + unsigned int irq; struct clk *clk; unsigned long rate; @@ -368,11 +367,11 @@ static void __init u300_timer_init_of(struct device_node *np) panic("could not ioremap system timer\n"); /* Get the IRQ for the GP1 timer */ - irq = of_irq_to_resource(np, 2, &irq_res); - if (irq <= 0) + irq = irq_of_parse_and_map(np, 2); + if (!irq) panic("no IRQ for system timer\n"); - pr_info("U300 GP1 timer @ base: %p, IRQ: %d\n", u300_timer_base, irq); + pr_info("U300 GP1 timer @ base: %p, IRQ: %u\n", u300_timer_base, irq); /* Clock the interrupt controller */ clk = of_clk_get(np, 0); diff --git a/arch/arm/mach-vexpress/tc2_pm.c b/arch/arm/mach-vexpress/tc2_pm.c index 7aeb5d6..e6eb481 100644 --- a/arch/arm/mach-vexpress/tc2_pm.c +++ b/arch/arm/mach-vexpress/tc2_pm.c @@ -131,6 +131,16 @@ static void tc2_pm_down(u64 residency) } else BUG(); + /* + * If the CPU is committed to power down, make sure + * the power controller will be in charge of waking it + * up upon IRQ, ie IRQ lines are cut from GIC CPU IF + * to the CPU by disabling the GIC CPU IF to prevent wfi + * from completing execution behind power controller back + */ + if (!skip_wfi) + gic_cpu_if_down(); + if (last_man && __mcpm_outbound_enter_critical(cpu, cluster)) { arch_spin_unlock(&tc2_pm_lock); @@ -231,7 +241,6 @@ static void tc2_pm_suspend(u64 residency) cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0); cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1); ve_spc_set_resume_addr(cluster, cpu, virt_to_phys(mcpm_entry_point)); - gic_cpu_if_down(); tc2_pm_down(residency); } diff --git a/arch/arm64/Kconfig.debug b/arch/arm64/Kconfig.debug index 1a6bfe9..835c559 100644 --- a/arch/arm64/Kconfig.debug +++ b/arch/arm64/Kconfig.debug @@ -6,13 +6,6 @@ config FRAME_POINTER bool default y -config DEBUG_STACK_USAGE - bool "Enable stack utilization instrumentation" - depends on DEBUG_KERNEL - help - Enables the display of the minimum amount of free stack which each - task has ever had available in the sysrq-T output. - config EARLY_PRINTK bool "Early printk support" default y diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 5b3e832..31c81e9 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -42,7 +42,7 @@ CONFIG_IP_PNP_BOOTP=y # CONFIG_WIRELESS is not set CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y -# CONFIG_BLK_DEV is not set +CONFIG_BLK_DEV=y CONFIG_SCSI=y # CONFIG_SCSI_PROC_FS is not set CONFIG_BLK_DEV_SD=y @@ -72,6 +72,7 @@ CONFIG_LOGO=y # CONFIG_IOMMU_SUPPORT is not set CONFIG_EXT2_FS=y CONFIG_EXT3_FS=y +CONFIG_EXT4_FS=y # CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set # CONFIG_EXT3_FS_XATTR is not set CONFIG_FUSE_FS=y @@ -90,3 +91,5 @@ CONFIG_DEBUG_KERNEL=y CONFIG_DEBUG_INFO=y # CONFIG_FTRACE is not set CONFIG_ATOMIC64_SELFTEST=y +CONFIG_VIRTIO_MMIO=y +CONFIG_VIRTIO_BLK=y diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h index edb3d5c..7ecc2b2 100644 --- a/arch/arm64/include/asm/uaccess.h +++ b/arch/arm64/include/asm/uaccess.h @@ -166,9 +166,10 @@ do { \ #define get_user(x, ptr) \ ({ \ + __typeof__(*(ptr)) __user *__p = (ptr); \ might_fault(); \ - access_ok(VERIFY_READ, (ptr), sizeof(*(ptr))) ? \ - __get_user((x), (ptr)) : \ + access_ok(VERIFY_READ, __p, sizeof(*__p)) ? \ + __get_user((x), __p) : \ ((x) = 0, -EFAULT); \ }) @@ -227,9 +228,10 @@ do { \ #define put_user(x, ptr) \ ({ \ + __typeof__(*(ptr)) __user *__p = (ptr); \ might_fault(); \ - access_ok(VERIFY_WRITE, (ptr), sizeof(*(ptr))) ? \ - __put_user((x), (ptr)) : \ + access_ok(VERIFY_WRITE, __p, sizeof(*__p)) ? \ + __put_user((x), __p) : \ -EFAULT; \ }) diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 1f2e4d5..bb785d2 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -80,8 +80,10 @@ void fpsimd_thread_switch(struct task_struct *next) void fpsimd_flush_thread(void) { + preempt_disable(); memset(¤t->thread.fpsimd_state, 0, sizeof(struct fpsimd_state)); fpsimd_load_state(¤t->thread.fpsimd_state); + preempt_enable(); } #ifdef CONFIG_KERNEL_MODE_NEON diff --git a/arch/arm64/mm/tlb.S b/arch/arm64/mm/tlb.S index 8ae80a1..19da91e 100644 --- a/arch/arm64/mm/tlb.S +++ b/arch/arm64/mm/tlb.S @@ -35,7 +35,7 @@ */ ENTRY(__cpu_flush_user_tlb_range) vma_vm_mm x3, x2 // get vma->vm_mm - mmid x3, x3 // get vm_mm->context.id + mmid w3, x3 // get vm_mm->context.id dsb sy lsr x0, x0, #12 // align address lsr x1, x1, #12 diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild index d22af85..fd79807 100644 --- a/arch/avr32/include/asm/Kbuild +++ b/arch/avr32/include/asm/Kbuild @@ -1,5 +1,19 @@ generic-y += clkdev.h +generic-y += cputime.h +generic-y += delay.h +generic-y += device.h +generic-y += div64.h +generic-y += emergency-restart.h generic-y += exec.h -generic-y += trace_clock.h +generic-y += futex.h +generic-y += irq_regs.h generic-y += param.h +generic-y += local.h +generic-y += local64.h +generic-y += percpu.h +generic-y += scatterlist.h +generic-y += sections.h +generic-y += topology.h +generic-y += trace_clock.h +generic-y += xor.h diff --git a/arch/avr32/include/asm/cputime.h b/arch/avr32/include/asm/cputime.h deleted file mode 100644 index e87e0f8..0000000 --- a/arch/avr32/include/asm/cputime.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_CPUTIME_H -#define __ASM_AVR32_CPUTIME_H - -#include <asm-generic/cputime.h> - -#endif /* __ASM_AVR32_CPUTIME_H */ diff --git a/arch/avr32/include/asm/delay.h b/arch/avr32/include/asm/delay.h deleted file mode 100644 index 9670e12..0000000 --- a/arch/avr32/include/asm/delay.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/delay.h> diff --git a/arch/avr32/include/asm/device.h b/arch/avr32/include/asm/device.h deleted file mode 100644 index d8f9872..0000000 --- a/arch/avr32/include/asm/device.h +++ /dev/null @@ -1,7 +0,0 @@ -/* - * Arch specific extensions to struct device - * - * This file is released under the GPLv2 - */ -#include <asm-generic/device.h> - diff --git a/arch/avr32/include/asm/div64.h b/arch/avr32/include/asm/div64.h deleted file mode 100644 index d7ddd4f..0000000 --- a/arch/avr32/include/asm/div64.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_DIV64_H -#define __ASM_AVR32_DIV64_H - -#include <asm-generic/div64.h> - -#endif /* __ASM_AVR32_DIV64_H */ diff --git a/arch/avr32/include/asm/emergency-restart.h b/arch/avr32/include/asm/emergency-restart.h deleted file mode 100644 index 3e7e014..0000000 --- a/arch/avr32/include/asm/emergency-restart.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_EMERGENCY_RESTART_H -#define __ASM_AVR32_EMERGENCY_RESTART_H - -#include <asm-generic/emergency-restart.h> - -#endif /* __ASM_AVR32_EMERGENCY_RESTART_H */ diff --git a/arch/avr32/include/asm/futex.h b/arch/avr32/include/asm/futex.h deleted file mode 100644 index 10419f1..0000000 --- a/arch/avr32/include/asm/futex.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_FUTEX_H -#define __ASM_AVR32_FUTEX_H - -#include <asm-generic/futex.h> - -#endif /* __ASM_AVR32_FUTEX_H */ diff --git a/arch/avr32/include/asm/irq_regs.h b/arch/avr32/include/asm/irq_regs.h deleted file mode 100644 index 3dd9c0b..0000000 --- a/arch/avr32/include/asm/irq_regs.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/irq_regs.h> diff --git a/arch/avr32/include/asm/local.h b/arch/avr32/include/asm/local.h deleted file mode 100644 index 1c16196..0000000 --- a/arch/avr32/include/asm/local.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_LOCAL_H -#define __ASM_AVR32_LOCAL_H - -#include <asm-generic/local.h> - -#endif /* __ASM_AVR32_LOCAL_H */ diff --git a/arch/avr32/include/asm/local64.h b/arch/avr32/include/asm/local64.h deleted file mode 100644 index 36c93b5..0000000 --- a/arch/avr32/include/asm/local64.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/local64.h> diff --git a/arch/avr32/include/asm/percpu.h b/arch/avr32/include/asm/percpu.h deleted file mode 100644 index 69227b4..0000000 --- a/arch/avr32/include/asm/percpu.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_PERCPU_H -#define __ASM_AVR32_PERCPU_H - -#include <asm-generic/percpu.h> - -#endif /* __ASM_AVR32_PERCPU_H */ diff --git a/arch/avr32/include/asm/scatterlist.h b/arch/avr32/include/asm/scatterlist.h deleted file mode 100644 index a5902d98..0000000 --- a/arch/avr32/include/asm/scatterlist.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_SCATTERLIST_H -#define __ASM_AVR32_SCATTERLIST_H - -#include <asm-generic/scatterlist.h> - -#endif /* __ASM_AVR32_SCATTERLIST_H */ diff --git a/arch/avr32/include/asm/sections.h b/arch/avr32/include/asm/sections.h deleted file mode 100644 index aa14252..0000000 --- a/arch/avr32/include/asm/sections.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_SECTIONS_H -#define __ASM_AVR32_SECTIONS_H - -#include <asm-generic/sections.h> - -#endif /* __ASM_AVR32_SECTIONS_H */ diff --git a/arch/avr32/include/asm/topology.h b/arch/avr32/include/asm/topology.h deleted file mode 100644 index 5b766cb..0000000 --- a/arch/avr32/include/asm/topology.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_AVR32_TOPOLOGY_H -#define __ASM_AVR32_TOPOLOGY_H - -#include <asm-generic/topology.h> - -#endif /* __ASM_AVR32_TOPOLOGY_H */ diff --git a/arch/avr32/include/asm/xor.h b/arch/avr32/include/asm/xor.h deleted file mode 100644 index 99c87aa..0000000 --- a/arch/avr32/include/asm/xor.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_XOR_H -#define _ASM_XOR_H - -#include <asm-generic/xor.h> - -#endif diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c index c273100..42a53e74 100644 --- a/arch/avr32/kernel/process.c +++ b/arch/avr32/kernel/process.c @@ -289,7 +289,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, memset(childregs, 0, sizeof(struct pt_regs)); p->thread.cpu_context.r0 = arg; p->thread.cpu_context.r1 = usp; /* fn */ - p->thread.cpu_context.r2 = syscall_return; + p->thread.cpu_context.r2 = (unsigned long)syscall_return; p->thread.cpu_context.pc = (unsigned long)ret_from_kernel_thread; childregs->sr = MODE_SUPERVISOR; } else { diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c index 869a1c6..12f828a 100644 --- a/arch/avr32/kernel/time.c +++ b/arch/avr32/kernel/time.c @@ -98,7 +98,14 @@ static void comparator_mode(enum clock_event_mode mode, case CLOCK_EVT_MODE_SHUTDOWN: sysreg_write(COMPARE, 0); pr_debug("%s: stop\n", evdev->name); - cpu_idle_poll_ctrl(false); + if (evdev->mode == CLOCK_EVT_MODE_ONESHOT || + evdev->mode == CLOCK_EVT_MODE_RESUME) { + /* + * Only disable idle poll if we have forced that + * in a previous call. + */ + cpu_idle_poll_ctrl(false); + } break; default: BUG(); diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h index d52abb6..935f9be 100644 --- a/arch/microblaze/include/asm/pci.h +++ b/arch/microblaze/include/asm/pci.h @@ -127,8 +127,6 @@ extern void of_scan_pci_bridge(struct device_node *node, extern void of_scan_bus(struct device_node *node, struct pci_bus *bus); extern void of_rescan_bus(struct device_node *node, struct pci_bus *bus); -extern int pci_read_irq_line(struct pci_dev *dev); - extern int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap); diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index 7c8a352..66804ad 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -194,76 +194,6 @@ void pcibios_set_master(struct pci_dev *dev) } /* - * Reads the interrupt pin to determine if interrupt is use by card. - * If the interrupt is used, then gets the interrupt line from the - * openfirmware and sets it in the pci_dev and pci_config line. - */ -int pci_read_irq_line(struct pci_dev *pci_dev) -{ - struct of_irq oirq; - unsigned int virq; - - /* The current device-tree that iSeries generates from the HV - * PCI informations doesn't contain proper interrupt routing, - * and all the fallback would do is print out crap, so we - * don't attempt to resolve the interrupts here at all, some - * iSeries specific fixup does it. - * - * In the long run, we will hopefully fix the generated device-tree - * instead. - */ - pr_debug("PCI: Try to map irq for %s...\n", pci_name(pci_dev)); - -#ifdef DEBUG - memset(&oirq, 0xff, sizeof(oirq)); -#endif - /* Try to get a mapping from the device-tree */ - if (of_irq_map_pci(pci_dev, &oirq)) { - u8 line, pin; - - /* If that fails, lets fallback to what is in the config - * space and map that through the default controller. We - * also set the type to level low since that's what PCI - * interrupts are. If your platform does differently, then - * either provide a proper interrupt tree or don't use this - * function. - */ - if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_PIN, &pin)) - return -1; - if (pin == 0) - return -1; - if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_LINE, &line) || - line == 0xff || line == 0) { - return -1; - } - pr_debug(" No map ! Using line %d (pin %d) from PCI config\n", - line, pin); - - virq = irq_create_mapping(NULL, line); - if (virq) - irq_set_irq_type(virq, IRQ_TYPE_LEVEL_LOW); - } else { - pr_debug(" Got one, spec %d cells (0x%08x 0x%08x...) on %s\n", - oirq.size, oirq.specifier[0], oirq.specifier[1], - of_node_full_name(oirq.controller)); - - virq = irq_create_of_mapping(oirq.controller, oirq.specifier, - oirq.size); - } - if (!virq) { - pr_debug(" Failed to map !\n"); - return -1; - } - - pr_debug(" Mapped to linux irq %d\n", virq); - - pci_dev->irq = virq; - - return 0; -} -EXPORT_SYMBOL(pci_read_irq_line); - -/* * Platform support for /proc/bus/pci/X/Y mmap()s, * modelled on the sparc64 implementation by Dave Miller. * -- paulus. @@ -961,7 +891,7 @@ void pcibios_setup_bus_devices(struct pci_bus *bus) dev->dev.archdata.dma_data = (void *)PCI_DRAM_OFFSET; /* Read default IRQs and fixup if necessary */ - pci_read_irq_line(dev); + dev->irq = of_irq_parse_and_map_pci(dev, 0, 0); } } diff --git a/arch/mips/alchemy/board-mtx1.c b/arch/mips/alchemy/board-mtx1.c index 4a9baa9..9969dba 100644 --- a/arch/mips/alchemy/board-mtx1.c +++ b/arch/mips/alchemy/board-mtx1.c @@ -276,7 +276,7 @@ static struct platform_device mtx1_pci_host = { .resource = alchemy_pci_host_res, }; -static struct __initdata platform_device * mtx1_devs[] = { +static struct platform_device *mtx1_devs[] __initdata = { &mtx1_pci_host, &mtx1_gpio_leds, &mtx1_wdt, diff --git a/arch/mips/include/asm/jump_label.h b/arch/mips/include/asm/jump_label.h index 4d6d77e..e194f95 100644 --- a/arch/mips/include/asm/jump_label.h +++ b/arch/mips/include/asm/jump_label.h @@ -22,7 +22,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("1:\tnop\n\t" + asm_volatile_goto("1:\tnop\n\t" "nop\n\t" ".pushsection __jump_table, \"aw\"\n\t" WORD_INSN " 1b, %l[l_yes], %0\n\t" diff --git a/arch/mips/kernel/octeon_switch.S b/arch/mips/kernel/octeon_switch.S index 4204d76..029e002 100644 --- a/arch/mips/kernel/octeon_switch.S +++ b/arch/mips/kernel/octeon_switch.S @@ -73,7 +73,7 @@ 3: #if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP) - PTR_L t8, __stack_chk_guard + PTR_LA t8, __stack_chk_guard LONG_L t9, TASK_STACK_CANARY(a1) LONG_S t9, 0(t8) #endif diff --git a/arch/mips/kernel/r2300_switch.S b/arch/mips/kernel/r2300_switch.S index 38af83f..20b7b04 100644 --- a/arch/mips/kernel/r2300_switch.S +++ b/arch/mips/kernel/r2300_switch.S @@ -67,7 +67,7 @@ LEAF(resume) 1: #if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP) - PTR_L t8, __stack_chk_guard + PTR_LA t8, __stack_chk_guard LONG_L t9, TASK_STACK_CANARY(a1) LONG_S t9, 0(t8) #endif diff --git a/arch/mips/kernel/r4k_switch.S b/arch/mips/kernel/r4k_switch.S index 921238a..078de5ea 100644 --- a/arch/mips/kernel/r4k_switch.S +++ b/arch/mips/kernel/r4k_switch.S @@ -69,7 +69,7 @@ 1: #if defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_SMP) - PTR_L t8, __stack_chk_guard + PTR_LA t8, __stack_chk_guard LONG_L t9, TASK_STACK_CANARY(a1) LONG_S t9, 0(t8) #endif diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index 627883b..bc6f96f 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -609,6 +609,7 @@ static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size) r4k_blast_scache(); else blast_scache_range(addr, addr + size); + preempt_enable(); __sync(); return; } @@ -650,6 +651,7 @@ static void r4k_dma_cache_inv(unsigned long addr, unsigned long size) */ blast_inv_scache_range(addr, addr + size); } + preempt_enable(); __sync(); return; } diff --git a/arch/mips/pci/fixup-lantiq.c b/arch/mips/pci/fixup-lantiq.c index 6c829df..c2ce41e 100644 --- a/arch/mips/pci/fixup-lantiq.c +++ b/arch/mips/pci/fixup-lantiq.c @@ -25,16 +25,5 @@ int pcibios_plat_dev_init(struct pci_dev *dev) int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - struct of_irq dev_irq; - int irq; - - if (of_irq_map_pci(dev, &dev_irq)) { - dev_err(&dev->dev, "trying to map irq for unknown slot:%d pin:%d\n", - slot, pin); - return 0; - } - irq = irq_create_of_mapping(dev_irq.controller, dev_irq.specifier, - dev_irq.size); - dev_info(&dev->dev, "SLOT:%d PIN:%d IRQ:%d\n", slot, pin, irq); - return irq; + return of_irq_parse_and_map_pci(dev, slot, pin); } diff --git a/arch/mips/pci/pci-rt3883.c b/arch/mips/pci/pci-rt3883.c index 95c9d41..adeff2b 100644 --- a/arch/mips/pci/pci-rt3883.c +++ b/arch/mips/pci/pci-rt3883.c @@ -583,29 +583,7 @@ err_put_intc_node: int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) { - struct of_irq dev_irq; - int err; - int irq; - - err = of_irq_map_pci(dev, &dev_irq); - if (err) { - pr_err("pci %s: unable to get irq map, err=%d\n", - pci_name((struct pci_dev *) dev), err); - return 0; - } - - irq = irq_create_of_mapping(dev_irq.controller, - dev_irq.specifier, - dev_irq.size); - - if (irq == 0) - pr_crit("pci %s: no irq found for pin %u\n", - pci_name((struct pci_dev *) dev), pin); - else - pr_info("pci %s: using irq %d for pin %u\n", - pci_name((struct pci_dev *) dev), irq, pin); - - return irq; + return of_irq_parse_and_map_pci(dev, slot, pin); } int pcibios_plat_dev_init(struct pci_dev *dev) diff --git a/arch/parisc/include/asm/traps.h b/arch/parisc/include/asm/traps.h index 1945f99..4736020 100644 --- a/arch/parisc/include/asm/traps.h +++ b/arch/parisc/include/asm/traps.h @@ -6,7 +6,7 @@ struct pt_regs; /* traps.c */ void parisc_terminate(char *msg, struct pt_regs *regs, - int code, unsigned long offset); + int code, unsigned long offset) __noreturn __cold; /* mm/fault.c */ void do_page_fault(struct pt_regs *regs, unsigned long code, diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index c035673..b521c0a 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -602,6 +602,7 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long __flush_cache_page(vma, vmaddr, PFN_PHYS(pfn)); } } +EXPORT_SYMBOL_GPL(flush_cache_page); #ifdef CONFIG_PARISC_TMPALIAS diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 8a252f2..2b96602 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -72,7 +72,6 @@ enum ipi_message_type { IPI_NOP=0, IPI_RESCHEDULE=1, IPI_CALL_FUNC, - IPI_CALL_FUNC_SINGLE, IPI_CPU_START, IPI_CPU_STOP, IPI_CPU_TEST @@ -164,11 +163,6 @@ ipi_interrupt(int irq, void *dev_id) generic_smp_call_function_interrupt(); break; - case IPI_CALL_FUNC_SINGLE: - smp_debug(100, KERN_DEBUG "CPU%d IPI_CALL_FUNC_SINGLE\n", this_cpu); - generic_smp_call_function_single_interrupt(); - break; - case IPI_CPU_START: smp_debug(100, KERN_DEBUG "CPU%d IPI_CPU_START\n", this_cpu); break; @@ -260,7 +254,7 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask) void arch_send_call_function_single_ipi(int cpu) { - send_IPI_single(cpu, IPI_CALL_FUNC_SINGLE); + send_IPI_single(cpu, IPI_CALL_FUNC); } /* diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index 04e47c6..1cd1d0c 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -291,11 +291,6 @@ void die_if_kernel(char *str, struct pt_regs *regs, long err) do_exit(SIGSEGV); } -int syscall_ipi(int (*syscall) (struct pt_regs *), struct pt_regs *regs) -{ - return syscall(regs); -} - /* gdb uses break 4,8 */ #define GDB_BREAK_INSN 0x10004 static void handle_gdb_break(struct pt_regs *regs, int wot) @@ -805,14 +800,14 @@ void notrace handle_interruption(int code, struct pt_regs *regs) else { /* - * The kernel should never fault on its own address space. + * The kernel should never fault on its own address space, + * unless pagefault_disable() was called before. */ - if (fault_space == 0) + if (fault_space == 0 && !in_atomic()) { pdc_chassis_send_status(PDC_CHASSIS_DIRECT_PANIC); parisc_terminate("Kernel Fault", regs, code, fault_address); - } } diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c index ac4370b..b5507ec 100644 --- a/arch/parisc/lib/memcpy.c +++ b/arch/parisc/lib/memcpy.c @@ -56,7 +56,7 @@ #ifdef __KERNEL__ #include <linux/module.h> #include <linux/compiler.h> -#include <asm/uaccess.h> +#include <linux/uaccess.h> #define s_space "%%sr1" #define d_space "%%sr2" #else @@ -524,4 +524,17 @@ EXPORT_SYMBOL(copy_to_user); EXPORT_SYMBOL(copy_from_user); EXPORT_SYMBOL(copy_in_user); EXPORT_SYMBOL(memcpy); + +long probe_kernel_read(void *dst, const void *src, size_t size) +{ + unsigned long addr = (unsigned long)src; + + if (size < 0 || addr < PAGE_SIZE) + return -EFAULT; + + /* check for I/O space F_EXTEND(0xfff00000) access as well? */ + + return __probe_kernel_read(dst, src, size); +} + #endif diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index d10d27a..0293588 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -171,17 +171,25 @@ void do_page_fault(struct pt_regs *regs, unsigned long code, unsigned long address) { struct vm_area_struct *vma, *prev_vma; - struct task_struct *tsk = current; - struct mm_struct *mm = tsk->mm; + struct task_struct *tsk; + struct mm_struct *mm; unsigned long acc_type; int fault; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; + unsigned int flags; - if (in_atomic() || !mm) + if (in_atomic()) goto no_context; + tsk = current; + mm = tsk->mm; + if (!mm) + goto no_context; + + flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; if (user_mode(regs)) flags |= FAULT_FLAG_USER; + + acc_type = parisc_acctyp(code, regs->iir); if (acc_type & VM_WRITE) flags |= FAULT_FLAG_WRITE; retry: @@ -196,8 +204,6 @@ retry: good_area: - acc_type = parisc_acctyp(code,regs->iir); - if ((vma->vm_flags & acc_type) != acc_type) goto bad_area; diff --git a/arch/powerpc/include/asm/jump_label.h b/arch/powerpc/include/asm/jump_label.h index ae098c4..f016bb6 100644 --- a/arch/powerpc/include/asm/jump_label.h +++ b/arch/powerpc/include/asm/jump_label.h @@ -19,7 +19,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("1:\n\t" + asm_volatile_goto("1:\n\t" "nop\n\t" ".pushsection __jump_table, \"aw\"\n\t" JUMP_ENTRY_TYPE "1b, %l[l_yes], %c0\n\t" diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index 0adab06..572bb5b 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -661,7 +661,7 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid) /* number of bytes needed for the bitmap */ sz = BITS_TO_LONGS(tbl->it_size) * sizeof(unsigned long); - page = alloc_pages_node(nid, GFP_ATOMIC, get_order(sz)); + page = alloc_pages_node(nid, GFP_KERNEL, get_order(sz)); if (!page) panic("iommu_init_table: Can't allocate %ld bytes\n", sz); tbl->it_map = page_address(page); diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 57d286a..c7cb8c2 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -495,14 +495,15 @@ void __do_irq(struct pt_regs *regs) void do_IRQ(struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); - struct thread_info *curtp, *irqtp; + struct thread_info *curtp, *irqtp, *sirqtp; /* Switch to the irq stack to handle this */ curtp = current_thread_info(); irqtp = hardirq_ctx[raw_smp_processor_id()]; + sirqtp = softirq_ctx[raw_smp_processor_id()]; /* Already there ? */ - if (unlikely(curtp == irqtp)) { + if (unlikely(curtp == irqtp || curtp == sirqtp)) { __do_irq(regs); set_irq_regs(old_regs); return; diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 905a24b..a1e3e40 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -228,7 +228,7 @@ int pcibios_add_platform_entries(struct pci_dev *pdev) */ static int pci_read_irq_line(struct pci_dev *pci_dev) { - struct of_irq oirq; + struct of_phandle_args oirq; unsigned int virq; pr_debug("PCI: Try to map irq for %s...\n", pci_name(pci_dev)); @@ -237,7 +237,7 @@ static int pci_read_irq_line(struct pci_dev *pci_dev) memset(&oirq, 0xff, sizeof(oirq)); #endif /* Try to get a mapping from the device-tree */ - if (of_irq_map_pci(pci_dev, &oirq)) { + if (of_irq_parse_pci(pci_dev, &oirq)) { u8 line, pin; /* If that fails, lets fallback to what is in the config @@ -263,11 +263,10 @@ static int pci_read_irq_line(struct pci_dev *pci_dev) irq_set_irq_type(virq, IRQ_TYPE_LEVEL_LOW); } else { pr_debug(" Got one, spec %d cells (0x%08x 0x%08x...) on %s\n", - oirq.size, oirq.specifier[0], oirq.specifier[1], - of_node_full_name(oirq.controller)); + oirq.args_count, oirq.args[0], oirq.args[1], + of_node_full_name(oirq.np)); - virq = irq_create_of_mapping(oirq.controller, oirq.specifier, - oirq.size); + virq = irq_create_of_mapping(&oirq); } if(virq == NO_IRQ) { pr_debug(" Failed to map !\n"); diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c index 27a90b9..b4e6676 100644 --- a/arch/powerpc/kernel/sysfs.c +++ b/arch/powerpc/kernel/sysfs.c @@ -17,6 +17,7 @@ #include <asm/machdep.h> #include <asm/smp.h> #include <asm/pmc.h> +#include <asm/firmware.h> #include "cacheinfo.h" @@ -179,15 +180,25 @@ SYSFS_PMCSETUP(spurr, SPRN_SPURR); SYSFS_PMCSETUP(dscr, SPRN_DSCR); SYSFS_PMCSETUP(pir, SPRN_PIR); +/* + Lets only enable read for phyp resources and + enable write when needed with a separate function. + Lets be conservative and default to pseries. +*/ static DEVICE_ATTR(mmcra, 0600, show_mmcra, store_mmcra); static DEVICE_ATTR(spurr, 0400, show_spurr, NULL); static DEVICE_ATTR(dscr, 0600, show_dscr, store_dscr); -static DEVICE_ATTR(purr, 0600, show_purr, store_purr); +static DEVICE_ATTR(purr, 0400, show_purr, store_purr); static DEVICE_ATTR(pir, 0400, show_pir, NULL); unsigned long dscr_default = 0; EXPORT_SYMBOL(dscr_default); +static void add_write_permission_dev_attr(struct device_attribute *attr) +{ + attr->attr.mode |= 0200; +} + static ssize_t show_dscr_default(struct device *dev, struct device_attribute *attr, char *buf) { @@ -394,8 +405,11 @@ static void register_cpu_online(unsigned int cpu) if (cpu_has_feature(CPU_FTR_MMCRA)) device_create_file(s, &dev_attr_mmcra); - if (cpu_has_feature(CPU_FTR_PURR)) + if (cpu_has_feature(CPU_FTR_PURR)) { + if (!firmware_has_feature(FW_FEATURE_LPAR)) + add_write_permission_dev_attr(&dev_attr_purr); device_create_file(s, &dev_attr_purr); + } if (cpu_has_feature(CPU_FTR_SPURR)) device_create_file(s, &dev_attr_spurr); diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S index 7b60b98..cd809ea 100644 --- a/arch/powerpc/kernel/tm.S +++ b/arch/powerpc/kernel/tm.S @@ -79,6 +79,11 @@ _GLOBAL(tm_abort) TABORT(R3) blr + .section ".toc","aw" +DSCR_DEFAULT: + .tc dscr_default[TC],dscr_default + + .section ".text" /* void tm_reclaim(struct thread_struct *thread, * unsigned long orig_msr, @@ -123,6 +128,7 @@ _GLOBAL(tm_reclaim) mr r15, r14 ori r15, r15, MSR_FP li r16, MSR_RI + ori r16, r16, MSR_EE /* IRQs hard off */ andc r15, r15, r16 oris r15, r15, MSR_VEC@h #ifdef CONFIG_VSX @@ -187,11 +193,18 @@ dont_backup_fp: std r1, PACATMSCRATCH(r13) ld r1, PACAR1(r13) + /* Store the PPR in r11 and reset to decent value */ + std r11, GPR11(r1) /* Temporary stash */ + mfspr r11, SPRN_PPR + HMT_MEDIUM + /* Now get some more GPRS free */ std r7, GPR7(r1) /* Temporary stash */ std r12, GPR12(r1) /* '' '' '' */ ld r12, STACK_PARAM(0)(r1) /* Param 0, thread_struct * */ + std r11, THREAD_TM_PPR(r12) /* Store PPR and free r11 */ + addi r7, r12, PT_CKPT_REGS /* Thread's ckpt_regs */ /* Make r7 look like an exception frame so that we @@ -203,15 +216,19 @@ dont_backup_fp: SAVE_GPR(0, r7) /* user r0 */ SAVE_GPR(2, r7) /* user r2 */ SAVE_4GPRS(3, r7) /* user r3-r6 */ - SAVE_4GPRS(8, r7) /* user r8-r11 */ + SAVE_GPR(8, r7) /* user r8 */ + SAVE_GPR(9, r7) /* user r9 */ + SAVE_GPR(10, r7) /* user r10 */ ld r3, PACATMSCRATCH(r13) /* user r1 */ ld r4, GPR7(r1) /* user r7 */ - ld r5, GPR12(r1) /* user r12 */ - GET_SCRATCH0(6) /* user r13 */ + ld r5, GPR11(r1) /* user r11 */ + ld r6, GPR12(r1) /* user r12 */ + GET_SCRATCH0(8) /* user r13 */ std r3, GPR1(r7) std r4, GPR7(r7) - std r5, GPR12(r7) - std r6, GPR13(r7) + std r5, GPR11(r7) + std r6, GPR12(r7) + std r8, GPR13(r7) SAVE_NVGPRS(r7) /* user r14-r31 */ @@ -234,14 +251,12 @@ dont_backup_fp: std r6, _XER(r7) - /* ******************** TAR, PPR, DSCR ********** */ + /* ******************** TAR, DSCR ********** */ mfspr r3, SPRN_TAR - mfspr r4, SPRN_PPR - mfspr r5, SPRN_DSCR + mfspr r4, SPRN_DSCR std r3, THREAD_TM_TAR(r12) - std r4, THREAD_TM_PPR(r12) - std r5, THREAD_TM_DSCR(r12) + std r4, THREAD_TM_DSCR(r12) /* MSR and flags: We don't change CRs, and we don't need to alter * MSR. @@ -258,7 +273,7 @@ dont_backup_fp: std r3, THREAD_TM_TFHAR(r12) std r4, THREAD_TM_TFIAR(r12) - /* AMR and PPR are checkpointed too, but are unsupported by Linux. */ + /* AMR is checkpointed too, but is unsupported by Linux. */ /* Restore original MSR/IRQ state & clear TM mode */ ld r14, TM_FRAME_L0(r1) /* Orig MSR */ @@ -274,6 +289,12 @@ dont_backup_fp: mtcr r4 mtlr r0 ld r2, 40(r1) + + /* Load system default DSCR */ + ld r4, DSCR_DEFAULT@toc(r2) + ld r0, 0(r4) + mtspr SPRN_DSCR, r0 + blr @@ -358,25 +379,24 @@ dont_restore_fp: restore_gprs: - /* ******************** TAR, PPR, DSCR ********** */ - ld r4, THREAD_TM_TAR(r3) - ld r5, THREAD_TM_PPR(r3) - ld r6, THREAD_TM_DSCR(r3) + /* ******************** CR,LR,CCR,MSR ********** */ + ld r4, _CTR(r7) + ld r5, _LINK(r7) + ld r6, _CCR(r7) + ld r8, _XER(r7) - mtspr SPRN_TAR, r4 - mtspr SPRN_PPR, r5 - mtspr SPRN_DSCR, r6 + mtctr r4 + mtlr r5 + mtcr r6 + mtxer r8 - /* ******************** CR,LR,CCR,MSR ********** */ - ld r3, _CTR(r7) - ld r4, _LINK(r7) - ld r5, _CCR(r7) - ld r6, _XER(r7) + /* ******************** TAR ******************** */ + ld r4, THREAD_TM_TAR(r3) + mtspr SPRN_TAR, r4 - mtctr r3 - mtlr r4 - mtcr r5 - mtxer r6 + /* Load up the PPR and DSCR in GPRs only at this stage */ + ld r5, THREAD_TM_DSCR(r3) + ld r6, THREAD_TM_PPR(r3) /* Clear the MSR RI since we are about to change R1. EE is already off */ @@ -384,19 +404,26 @@ restore_gprs: mtmsrd r4, 1 REST_4GPRS(0, r7) /* GPR0-3 */ - REST_GPR(4, r7) /* GPR4-6 */ - REST_GPR(5, r7) - REST_GPR(6, r7) + REST_GPR(4, r7) /* GPR4 */ REST_4GPRS(8, r7) /* GPR8-11 */ REST_2GPRS(12, r7) /* GPR12-13 */ REST_NVGPRS(r7) /* GPR14-31 */ - ld r7, GPR7(r7) /* GPR7 */ + /* Load up PPR and DSCR here so we don't run with user values for long + */ + mtspr SPRN_DSCR, r5 + mtspr SPRN_PPR, r6 + + REST_GPR(5, r7) /* GPR5-7 */ + REST_GPR(6, r7) + ld r7, GPR7(r7) /* Commit register state as checkpointed state: */ TRECHKPT + HMT_MEDIUM + /* Our transactional state has now changed. * * Now just get out of here. Transactional (current) state will be @@ -419,6 +446,12 @@ restore_gprs: mtcr r4 mtlr r0 ld r2, 40(r1) + + /* Load system default DSCR */ + ld r4, DSCR_DEFAULT@toc(r2) + ld r0, 0(r4) + mtspr SPRN_DSCR, r0 + blr /* ****************************************************************** */ diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index 78a3506..d38cc08 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -1530,11 +1530,15 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, const char *cp; dn = dev->of_node; - if (!dn) - return -ENODEV; + if (!dn) { + strcat(buf, "\n"); + return strlen(buf); + } cp = of_get_property(dn, "compatible", NULL); - if (!cp) - return -ENODEV; + if (!cp) { + strcat(buf, "\n"); + return strlen(buf); + } return sprintf(buf, "vio:T%sS%s\n", vio_dev->type, cp); } diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index 294b7af..c71103b 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -1066,7 +1066,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206) BEGIN_FTR_SECTION mfspr r8, SPRN_DSCR ld r7, HSTATE_DSCR(r13) - std r8, VCPU_DSCR(r7) + std r8, VCPU_DSCR(r9) mtspr SPRN_DSCR, r7 END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206) diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c index 1c6a9d72..c65593a 100644 --- a/arch/powerpc/kvm/e500_mmu_host.c +++ b/arch/powerpc/kvm/e500_mmu_host.c @@ -332,6 +332,13 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500, unsigned long hva; int pfnmap = 0; int tsize = BOOK3E_PAGESZ_4K; + int ret = 0; + unsigned long mmu_seq; + struct kvm *kvm = vcpu_e500->vcpu.kvm; + + /* used to check for invalidations in progress */ + mmu_seq = kvm->mmu_notifier_seq; + smp_rmb(); /* * Translate guest physical to true physical, acquiring @@ -449,6 +456,12 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500, gvaddr &= ~((tsize_pages << PAGE_SHIFT) - 1); } + spin_lock(&kvm->mmu_lock); + if (mmu_notifier_retry(kvm, mmu_seq)) { + ret = -EAGAIN; + goto out; + } + kvmppc_e500_ref_setup(ref, gtlbe, pfn); kvmppc_e500_setup_stlbe(&vcpu_e500->vcpu, gtlbe, tsize, @@ -457,10 +470,13 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500, /* Clear i-cache for new pages */ kvmppc_mmu_flush_icache(pfn); +out: + spin_unlock(&kvm->mmu_lock); + /* Drop refcount on page, so that mmu notifiers can clear it */ kvm_release_pfn_clean(pfn); - return 0; + return ret; } /* XXX only map the one-one case, for now use TLB0 */ diff --git a/arch/powerpc/lib/checksum_64.S b/arch/powerpc/lib/checksum_64.S index 167f725..57a0720 100644 --- a/arch/powerpc/lib/checksum_64.S +++ b/arch/powerpc/lib/checksum_64.S @@ -226,19 +226,35 @@ _GLOBAL(csum_partial) blr - .macro source + .macro srcnr 100: .section __ex_table,"a" .align 3 - .llong 100b,.Lsrc_error + .llong 100b,.Lsrc_error_nr .previous .endm - .macro dest + .macro source +150: + .section __ex_table,"a" + .align 3 + .llong 150b,.Lsrc_error + .previous + .endm + + .macro dstnr 200: .section __ex_table,"a" .align 3 - .llong 200b,.Ldest_error + .llong 200b,.Ldest_error_nr + .previous + .endm + + .macro dest +250: + .section __ex_table,"a" + .align 3 + .llong 250b,.Ldest_error .previous .endm @@ -269,16 +285,16 @@ _GLOBAL(csum_partial_copy_generic) rldicl. r6,r3,64-1,64-2 /* r6 = (r3 & 0x3) >> 1 */ beq .Lcopy_aligned - li r7,4 - sub r6,r7,r6 + li r9,4 + sub r6,r9,r6 mtctr r6 1: -source; lhz r6,0(r3) /* align to doubleword */ +srcnr; lhz r6,0(r3) /* align to doubleword */ subi r5,r5,2 addi r3,r3,2 adde r0,r0,r6 -dest; sth r6,0(r4) +dstnr; sth r6,0(r4) addi r4,r4,2 bdnz 1b @@ -392,10 +408,10 @@ dest; std r16,56(r4) mtctr r6 3: -source; ld r6,0(r3) +srcnr; ld r6,0(r3) addi r3,r3,8 adde r0,r0,r6 -dest; std r6,0(r4) +dstnr; std r6,0(r4) addi r4,r4,8 bdnz 3b @@ -405,10 +421,10 @@ dest; std r6,0(r4) srdi. r6,r5,2 beq .Lcopy_tail_halfword -source; lwz r6,0(r3) +srcnr; lwz r6,0(r3) addi r3,r3,4 adde r0,r0,r6 -dest; stw r6,0(r4) +dstnr; stw r6,0(r4) addi r4,r4,4 subi r5,r5,4 @@ -416,10 +432,10 @@ dest; stw r6,0(r4) srdi. r6,r5,1 beq .Lcopy_tail_byte -source; lhz r6,0(r3) +srcnr; lhz r6,0(r3) addi r3,r3,2 adde r0,r0,r6 -dest; sth r6,0(r4) +dstnr; sth r6,0(r4) addi r4,r4,2 subi r5,r5,2 @@ -427,10 +443,10 @@ dest; sth r6,0(r4) andi. r6,r5,1 beq .Lcopy_finish -source; lbz r6,0(r3) +srcnr; lbz r6,0(r3) sldi r9,r6,8 /* Pad the byte out to 16 bits */ adde r0,r0,r9 -dest; stb r6,0(r4) +dstnr; stb r6,0(r4) .Lcopy_finish: addze r0,r0 /* add in final carry */ @@ -440,6 +456,11 @@ dest; stb r6,0(r4) blr .Lsrc_error: + ld r14,STK_REG(R14)(r1) + ld r15,STK_REG(R15)(r1) + ld r16,STK_REG(R16)(r1) + addi r1,r1,STACKFRAMESIZE +.Lsrc_error_nr: cmpdi 0,r7,0 beqlr li r6,-EFAULT @@ -447,6 +468,11 @@ dest; stb r6,0(r4) blr .Ldest_error: + ld r14,STK_REG(R14)(r1) + ld r15,STK_REG(R15)(r1) + ld r16,STK_REG(R16)(r1) + addi r1,r1,STACKFRAMESIZE +.Ldest_error_nr: cmpdi 0,r8,0 beqlr li r6,-EFAULT diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index d0cd9e4..8ed035d 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -300,5 +300,9 @@ void vmemmap_free(unsigned long start, unsigned long end) { } +void register_page_bootmem_memmap(unsigned long section_nr, + struct page *start_page, unsigned long size) +{ +} #endif /* CONFIG_SPARSEMEM_VMEMMAP */ diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 1cf9c5b..3fa93dc 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -297,12 +297,21 @@ void __init paging_init(void) } #endif /* ! CONFIG_NEED_MULTIPLE_NODES */ +static void __init register_page_bootmem_info(void) +{ + int i; + + for_each_online_node(i) + register_page_bootmem_info_node(NODE_DATA(i)); +} + void __init mem_init(void) { #ifdef CONFIG_SWIOTLB swiotlb_init(0); #endif + register_page_bootmem_info(); high_memory = (void *) __va(max_low_pfn * PAGE_SIZE); set_max_mapnr(max_pfn); free_all_bootmem(); diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c index 2ee4a70..a3f7abd 100644 --- a/arch/powerpc/perf/power8-pmu.c +++ b/arch/powerpc/perf/power8-pmu.c @@ -199,6 +199,7 @@ #define MMCR1_UNIT_SHIFT(pmc) (60 - (4 * ((pmc) - 1))) #define MMCR1_COMBINE_SHIFT(pmc) (35 - ((pmc) - 1)) #define MMCR1_PMCSEL_SHIFT(pmc) (24 - (((pmc) - 1)) * 8) +#define MMCR1_FAB_SHIFT 36 #define MMCR1_DC_QUAL_SHIFT 47 #define MMCR1_IC_QUAL_SHIFT 46 @@ -388,8 +389,8 @@ static int power8_compute_mmcr(u64 event[], int n_ev, * the threshold bits are used for the match value. */ if (event_is_fab_match(event[i])) { - mmcr1 |= (event[i] >> EVENT_THR_CTL_SHIFT) & - EVENT_THR_CTL_MASK; + mmcr1 |= ((event[i] >> EVENT_THR_CTL_SHIFT) & + EVENT_THR_CTL_MASK) << MMCR1_FAB_SHIFT; } else { val = (event[i] >> EVENT_THR_CTL_SHIFT) & EVENT_THR_CTL_MASK; mmcra |= val << MMCRA_THR_CTL_SHIFT; diff --git a/arch/powerpc/platforms/cell/celleb_scc_pciex.c b/arch/powerpc/platforms/cell/celleb_scc_pciex.c index 14be2bd..4278acf 100644 --- a/arch/powerpc/platforms/cell/celleb_scc_pciex.c +++ b/arch/powerpc/platforms/cell/celleb_scc_pciex.c @@ -486,7 +486,6 @@ static __init int celleb_setup_pciex(struct device_node *node, struct pci_controller *phb) { struct resource r; - struct of_irq oirq; int virq; /* SMMIO registers; used inside this file */ @@ -507,12 +506,11 @@ static __init int celleb_setup_pciex(struct device_node *node, phb->ops = &scc_pciex_pci_ops; /* internal interrupt handler */ - if (of_irq_map_one(node, 1, &oirq)) { + virq = irq_of_parse_and_map(node, 1); + if (!virq) { pr_err("PCIEXC:Failed to map irq\n"); goto error; } - virq = irq_create_of_mapping(oirq.controller, oirq.specifier, - oirq.size); if (request_irq(virq, pciex_handle_internal_irq, 0, "pciex", (void *)phb)) { pr_err("PCIEXC:Failed to request irq\n"); diff --git a/arch/powerpc/platforms/cell/celleb_scc_sio.c b/arch/powerpc/platforms/cell/celleb_scc_sio.c index 9c339ec..c8eb571 100644 --- a/arch/powerpc/platforms/cell/celleb_scc_sio.c +++ b/arch/powerpc/platforms/cell/celleb_scc_sio.c @@ -45,7 +45,7 @@ static int __init txx9_serial_init(void) struct device_node *node; int i; struct uart_port req; - struct of_irq irq; + struct of_phandle_args irq; struct resource res; for_each_compatible_node(node, "serial", "toshiba,sio-scc") { @@ -53,7 +53,7 @@ static int __init txx9_serial_init(void) if (!(txx9_serial_bitmap & (1<<i))) continue; - if (of_irq_map_one(node, i, &irq)) + if (of_irq_parse_one(node, i, &irq)) continue; if (of_address_to_resource(node, txx9_scc_tab[i].index, &res)) @@ -66,8 +66,7 @@ static int __init txx9_serial_init(void) #ifdef CONFIG_SERIAL_TXX9_CONSOLE req.membase = ioremap(req.mapbase, 0x24); #endif - req.irq = irq_create_of_mapping(irq.controller, - irq.specifier, irq.size); + req.irq = irq_create_of_mapping(&irq); req.flags |= UPF_IOREMAP | UPF_BUGGY_UART /*HAVE_CTS_LINE*/; req.uartclk = 83300000; diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c index 8e29944..1f72f4a 100644 --- a/arch/powerpc/platforms/cell/spider-pic.c +++ b/arch/powerpc/platforms/cell/spider-pic.c @@ -235,12 +235,9 @@ static unsigned int __init spider_find_cascade_and_node(struct spider_pic *pic) /* First, we check whether we have a real "interrupts" in the device * tree in case the device-tree is ever fixed */ - struct of_irq oirq; - if (of_irq_map_one(pic->host->of_node, 0, &oirq) == 0) { - virq = irq_create_of_mapping(oirq.controller, oirq.specifier, - oirq.size); + virq = irq_of_parse_and_map(pic->host->of_node, 0); + if (virq) return virq; - } /* Now do the horrible hacks */ tmp = of_get_property(pic->host->of_node, "#interrupt-cells", NULL); diff --git a/arch/powerpc/platforms/cell/spu_manage.c b/arch/powerpc/platforms/cell/spu_manage.c index 2bb6977..c3327f3 100644 --- a/arch/powerpc/platforms/cell/spu_manage.c +++ b/arch/powerpc/platforms/cell/spu_manage.c @@ -177,21 +177,20 @@ out: static int __init spu_map_interrupts(struct spu *spu, struct device_node *np) { - struct of_irq oirq; + struct of_phandle_args oirq; int ret; int i; for (i=0; i < 3; i++) { - ret = of_irq_map_one(np, i, &oirq); + ret = of_irq_parse_one(np, i, &oirq); if (ret) { pr_debug("spu_new: failed to get irq %d\n", i); goto err; } ret = -EINVAL; - pr_debug(" irq %d no 0x%x on %s\n", i, oirq.specifier[0], - oirq.controller->full_name); - spu->irqs[i] = irq_create_of_mapping(oirq.controller, - oirq.specifier, oirq.size); + pr_debug(" irq %d no 0x%x on %s\n", i, oirq.args[0], + oirq.np->full_name); + spu->irqs[i] = irq_create_of_mapping(&oirq); if (spu->irqs[i] == NO_IRQ) { pr_debug("spu_new: failed to map it !\n"); goto err; @@ -200,7 +199,7 @@ static int __init spu_map_interrupts(struct spu *spu, struct device_node *np) return 0; err: - pr_debug("failed to map irq %x for spu %s\n", *oirq.specifier, + pr_debug("failed to map irq %x for spu %s\n", *oirq.args, spu->name); for (; i >= 0; i--) { if (spu->irqs[i] != NO_IRQ) diff --git a/arch/powerpc/platforms/fsl_uli1575.c b/arch/powerpc/platforms/fsl_uli1575.c index 92ac9b5..b97f6f3 100644 --- a/arch/powerpc/platforms/fsl_uli1575.c +++ b/arch/powerpc/platforms/fsl_uli1575.c @@ -321,8 +321,7 @@ static void hpcd_final_uli5288(struct pci_dev *dev) { struct pci_controller *hose = pci_bus_to_host(dev->bus); struct device_node *hosenode = hose ? hose->dn : NULL; - struct of_irq oirq; - int virq, pin = 2; + struct of_phandle_args oirq; u32 laddr[3]; if (!machine_is(mpc86xx_hpcd)) @@ -331,12 +330,13 @@ static void hpcd_final_uli5288(struct pci_dev *dev) if (!hosenode) return; + oirq.np = hosenode; + oirq.args[0] = 2; + oirq.args_count = 1; laddr[0] = (hose->first_busno << 16) | (PCI_DEVFN(31, 0) << 8); laddr[1] = laddr[2] = 0; - of_irq_map_raw(hosenode, &pin, 1, laddr, &oirq); - virq = irq_create_of_mapping(oirq.controller, oirq.specifier, - oirq.size); - dev->irq = virq; + of_irq_parse_raw(laddr, &oirq); + dev->irq = irq_create_of_mapping(&oirq); } DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, hpcd_quirk_uli1575); diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index 31036b5..4c24bf6 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -393,8 +393,8 @@ static void __init pmac_pic_probe_oldstyle(void) #endif } -int of_irq_map_oldworld(struct device_node *device, int index, - struct of_irq *out_irq) +int of_irq_parse_oldworld(struct device_node *device, int index, + struct of_phandle_args *out_irq) { const u32 *ints = NULL; int intlen; @@ -422,9 +422,9 @@ int of_irq_map_oldworld(struct device_node *device, int index, if (index >= intlen) return -EINVAL; - out_irq->controller = NULL; - out_irq->specifier[0] = ints[index]; - out_irq->size = 1; + out_irq->np = NULL; + out_irq->args[0] = ints[index]; + out_irq->args_count = 1; return 0; } diff --git a/arch/powerpc/platforms/pseries/event_sources.c b/arch/powerpc/platforms/pseries/event_sources.c index 2605c31..18380e8 100644 --- a/arch/powerpc/platforms/pseries/event_sources.c +++ b/arch/powerpc/platforms/pseries/event_sources.c @@ -25,7 +25,7 @@ void request_event_sources_irqs(struct device_node *np, const char *name) { int i, index, count = 0; - struct of_irq oirq; + struct of_phandle_args oirq; const u32 *opicprop; unsigned int opicplen; unsigned int virqs[16]; @@ -55,13 +55,11 @@ void request_event_sources_irqs(struct device_node *np, /* Else use normal interrupt tree parsing */ else { /* First try to do a proper OF tree parsing */ - for (index = 0; of_irq_map_one(np, index, &oirq) == 0; + for (index = 0; of_irq_parse_one(np, index, &oirq) == 0; index++) { if (count > 15) break; - virqs[count] = irq_create_of_mapping(oirq.controller, - oirq.specifier, - oirq.size); + virqs[count] = irq_create_of_mapping(&oirq); if (virqs[count] == NO_IRQ) { pr_err("event-sources: Unable to allocate " "interrupt number for %s\n", diff --git a/arch/powerpc/sysdev/fsl_gtm.c b/arch/powerpc/sysdev/fsl_gtm.c index 1b980ee..06ac3c6 100644 --- a/arch/powerpc/sysdev/fsl_gtm.c +++ b/arch/powerpc/sysdev/fsl_gtm.c @@ -403,16 +403,15 @@ static int __init fsl_gtm_init(void) gtm->clock = *clock; for (i = 0; i < ARRAY_SIZE(gtm->timers); i++) { - int ret; - struct resource irq; + unsigned int irq; - ret = of_irq_to_resource(np, i, &irq); - if (ret == NO_IRQ) { + irq = irq_of_parse_and_map(np, i); + if (irq == NO_IRQ) { pr_err("%s: not enough interrupts specified\n", np->full_name); goto err; } - gtm->timers[i].irq = irq.start; + gtm->timers[i].irq = irq; gtm->timers[i].gtm = gtm; } diff --git a/arch/powerpc/sysdev/mpic_msgr.c b/arch/powerpc/sysdev/mpic_msgr.c index c753258..2c9b52a 100644 --- a/arch/powerpc/sysdev/mpic_msgr.c +++ b/arch/powerpc/sysdev/mpic_msgr.c @@ -237,15 +237,13 @@ static int mpic_msgr_probe(struct platform_device *dev) raw_spin_lock_init(&msgr->lock); if (receive_mask & (1 << i)) { - struct resource irq; - - if (of_irq_to_resource(np, irq_index, &irq) == NO_IRQ) { + msgr->irq = irq_of_parse_and_map(np, irq_index); + if (msgr->irq == NO_IRQ) { dev_err(&dev->dev, "Missing interrupt specifier"); kfree(msgr); return -EFAULT; } - msgr->irq = irq.start; irq_index += 1; } else { msgr->irq = NO_IRQ; diff --git a/arch/powerpc/sysdev/mpic_msi.c b/arch/powerpc/sysdev/mpic_msi.c index bbf342c..7dc39f3 100644 --- a/arch/powerpc/sysdev/mpic_msi.c +++ b/arch/powerpc/sysdev/mpic_msi.c @@ -35,7 +35,7 @@ static int mpic_msi_reserve_u3_hwirqs(struct mpic *mpic) const struct irq_domain_ops *ops = mpic->irqhost->ops; struct device_node *np; int flags, index, i; - struct of_irq oirq; + struct of_phandle_args oirq; pr_debug("mpic: found U3, guessing msi allocator setup\n"); @@ -63,9 +63,9 @@ static int mpic_msi_reserve_u3_hwirqs(struct mpic *mpic) pr_debug("mpic: mapping hwirqs for %s\n", np->full_name); index = 0; - while (of_irq_map_one(np, index++, &oirq) == 0) { - ops->xlate(mpic->irqhost, NULL, oirq.specifier, - oirq.size, &hwirq, &flags); + while (of_irq_parse_one(np, index++, &oirq) == 0) { + ops->xlate(mpic->irqhost, NULL, oirq.args, + oirq.args_count, &hwirq, &flags); msi_bitmap_reserve_hwirq(&mpic->msi_bitmap, hwirq); } } diff --git a/arch/s390/include/asm/jump_label.h b/arch/s390/include/asm/jump_label.h index 6c32190..346b1c8 100644 --- a/arch/s390/include/asm/jump_label.h +++ b/arch/s390/include/asm/jump_label.h @@ -15,7 +15,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("0: brcl 0,0\n" + asm_volatile_goto("0: brcl 0,0\n" ".pushsection __jump_table, \"aw\"\n" ASM_ALIGN "\n" ASM_PTR " 0b, %l[label], %0\n" diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c index c84f33d..7dd2172 100644 --- a/arch/s390/kernel/crash_dump.c +++ b/arch/s390/kernel/crash_dump.c @@ -40,28 +40,26 @@ static inline void *load_real_addr(void *addr) } /* - * Copy up to one page to vmalloc or real memory + * Copy real to virtual or real memory */ -static ssize_t copy_page_real(void *buf, void *src, size_t csize) +static int copy_from_realmem(void *dest, void *src, size_t count) { - size_t size; + unsigned long size; + int rc; - if (is_vmalloc_addr(buf)) { - BUG_ON(csize >= PAGE_SIZE); - /* If buf is not page aligned, copy first part */ - size = min(roundup(__pa(buf), PAGE_SIZE) - __pa(buf), csize); - if (size) { - if (memcpy_real(load_real_addr(buf), src, size)) - return -EFAULT; - buf += size; - src += size; - } - /* Copy second part */ - size = csize - size; - return (size) ? memcpy_real(load_real_addr(buf), src, size) : 0; - } else { - return memcpy_real(buf, src, csize); - } + if (!count) + return 0; + if (!is_vmalloc_or_module_addr(dest)) + return memcpy_real(dest, src, count); + do { + size = min(count, PAGE_SIZE - (__pa(dest) & ~PAGE_MASK)); + if (memcpy_real(load_real_addr(dest), src, size)) + return -EFAULT; + count -= size; + dest += size; + src += size; + } while (count); + return 0; } /* @@ -114,7 +112,7 @@ static ssize_t copy_oldmem_page_kdump(char *buf, size_t csize, rc = copy_to_user_real((void __force __user *) buf, (void *) src, csize); else - rc = copy_page_real(buf, (void *) src, csize); + rc = copy_from_realmem(buf, (void *) src, csize); return (rc == 0) ? rc : csize; } @@ -210,7 +208,7 @@ int copy_from_oldmem(void *dest, void *src, size_t count) if (OLDMEM_BASE) { if ((unsigned long) src < OLDMEM_SIZE) { copied = min(count, OLDMEM_SIZE - (unsigned long) src); - rc = memcpy_real(dest, src + OLDMEM_BASE, copied); + rc = copy_from_realmem(dest, src + OLDMEM_BASE, copied); if (rc) return rc; } @@ -223,7 +221,7 @@ int copy_from_oldmem(void *dest, void *src, size_t count) return rc; } } - return memcpy_real(dest + copied, src + copied, count - copied); + return copy_from_realmem(dest + copied, src + copied, count - copied); } /* diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index cc30d1f..0dc2b6d 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -266,6 +266,7 @@ sysc_sigpending: tm __TI_flags+3(%r12),_TIF_SYSCALL jno sysc_return lm %r2,%r7,__PT_R2(%r11) # load svc arguments + l %r10,__TI_sysc_table(%r12) # 31 bit system call table xr %r8,%r8 # svc 0 returns -ENOSYS clc __PT_INT_CODE+2(2,%r11),BASED(.Lnr_syscalls+2) jnl sysc_nr_ok # invalid svc number -> do svc 0 diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 2b2188b..e5b43c9 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -297,6 +297,7 @@ sysc_sigpending: tm __TI_flags+7(%r12),_TIF_SYSCALL jno sysc_return lmg %r2,%r7,__PT_R2(%r11) # load svc arguments + lg %r10,__TI_sysc_table(%r12) # address of system call table lghi %r8,0 # svc 0 returns -ENOSYS llgh %r1,__PT_INT_CODE+2(%r11) # load new svc number cghi %r1,NR_syscalls diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c index 0ce9fb2..d86e64e 100644 --- a/arch/s390/kernel/kprobes.c +++ b/arch/s390/kernel/kprobes.c @@ -67,6 +67,11 @@ static int __kprobes is_prohibited_opcode(kprobe_opcode_t *insn) case 0xac: /* stnsm */ case 0xad: /* stosm */ return -EINVAL; + case 0xc6: + switch (insn[0] & 0x0f) { + case 0x00: /* exrl */ + return -EINVAL; + } } switch (insn[0]) { case 0x0101: /* pr */ @@ -180,7 +185,6 @@ static int __kprobes is_insn_relative_long(kprobe_opcode_t *insn) break; case 0xc6: switch (insn[0] & 0x0f) { - case 0x00: /* exrl */ case 0x02: /* pfdrl */ case 0x04: /* cghrl */ case 0x05: /* chrl */ diff --git a/arch/score/Kconfig b/arch/score/Kconfig index a1be70d..305f7ee 100644 --- a/arch/score/Kconfig +++ b/arch/score/Kconfig @@ -2,6 +2,7 @@ menu "Machine selection" config SCORE def_bool y + select HAVE_GENERIC_HARDIRQS select GENERIC_IRQ_SHOW select GENERIC_IOMAP select GENERIC_ATOMIC64 @@ -110,3 +111,6 @@ source "security/Kconfig" source "crypto/Kconfig" source "lib/Kconfig" + +config NO_IOMEM + def_bool y diff --git a/arch/score/Makefile b/arch/score/Makefile index 974aefe..9e3e060 100644 --- a/arch/score/Makefile +++ b/arch/score/Makefile @@ -20,8 +20,8 @@ cflags-y += -G0 -pipe -mel -mnhwloop -D__SCOREEL__ \ # KBUILD_AFLAGS += $(cflags-y) KBUILD_CFLAGS += $(cflags-y) -KBUILD_AFLAGS_MODULE += -mlong-calls -KBUILD_CFLAGS_MODULE += -mlong-calls +KBUILD_AFLAGS_MODULE += +KBUILD_CFLAGS_MODULE += LDFLAGS += --oformat elf32-littlescore LDFLAGS_vmlinux += -G0 -static -nostdlib diff --git a/arch/score/include/asm/checksum.h b/arch/score/include/asm/checksum.h index f909ac3..961bd64 100644 --- a/arch/score/include/asm/checksum.h +++ b/arch/score/include/asm/checksum.h @@ -184,48 +184,57 @@ static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr, __wsum sum) { __asm__ __volatile__( - ".set\tnoreorder\t\t\t# csum_ipv6_magic\n\t" - ".set\tnoat\n\t" - "addu\t%0, %5\t\t\t# proto (long in network byte order)\n\t" - "sltu\t$1, %0, %5\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %6\t\t\t# csum\n\t" - "sltu\t$1, %0, %6\n\t" - "lw\t%1, 0(%2)\t\t\t# four words source address\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 4(%2)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 8(%2)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 12(%2)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 0(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 4(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 8(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "lw\t%1, 12(%3)\n\t" - "addu\t%0, $1\n\t" - "addu\t%0, %1\n\t" - "sltu\t$1, %0, %1\n\t" - "addu\t%0, $1\t\t\t# Add final carry\n\t" - ".set\tnoat\n\t" - ".set\tnoreorder" + ".set\tvolatile\t\t\t# csum_ipv6_magic\n\t" + "add\t%0, %0, %5\t\t\t# proto (long in network byte order)\n\t" + "cmp.c\t%5, %0\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %6\t\t\t# csum\n\t" + "cmp.c\t%6, %0\n\t" + "lw\t%1, [%2, 0]\t\t\t# four words source address\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "1:lw\t%1, [%2, 4]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%2,8]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%2, 12]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0,%1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%3, 0]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%3, 4]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%3, 8]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "lw\t%1, [%3, 12]\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:add\t%0, %0, %1\n\t" + "cmp.c\t%1, %0\n\t" + "bleu 1f\n\t" + "addi\t%0, 0x1\n\t" + "1:\n\t" + ".set\toptimize" : "=r" (sum), "=r" (proto) : "r" (saddr), "r" (daddr), "0" (htonl(len)), "1" (htonl(proto)), "r" (sum)); diff --git a/arch/score/include/asm/io.h b/arch/score/include/asm/io.h index fbbfd71..574c8827 100644 --- a/arch/score/include/asm/io.h +++ b/arch/score/include/asm/io.h @@ -5,5 +5,4 @@ #define virt_to_bus virt_to_phys #define bus_to_virt phys_to_virt - #endif /* _ASM_SCORE_IO_H */ diff --git a/arch/score/include/asm/pgalloc.h b/arch/score/include/asm/pgalloc.h index 059a61b..716b3fd 100644 --- a/arch/score/include/asm/pgalloc.h +++ b/arch/score/include/asm/pgalloc.h @@ -2,7 +2,7 @@ #define _ASM_SCORE_PGALLOC_H #include <linux/mm.h> - +#include <linux/highmem.h> static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte) { diff --git a/arch/score/kernel/entry.S b/arch/score/kernel/entry.S index 7234ed0..befb87d 100644 --- a/arch/score/kernel/entry.S +++ b/arch/score/kernel/entry.S @@ -264,7 +264,7 @@ resume_kernel: disable_irq lw r8, [r28, TI_PRE_COUNT] cmpz.c r8 - bne r8, restore_all + bne restore_all need_resched: lw r8, [r28, TI_FLAGS] andri.c r9, r8, _TIF_NEED_RESCHED @@ -415,7 +415,7 @@ ENTRY(handle_sys) sw r9, [r0, PT_EPC] cmpi.c r27, __NR_syscalls # check syscall number - bgeu illegal_syscall + bcs illegal_syscall slli r8, r27, 2 # get syscall routine la r11, sys_call_table diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c index f4c6d02..a1519ad3 100644 --- a/arch/score/kernel/process.c +++ b/arch/score/kernel/process.c @@ -78,8 +78,8 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, p->thread.reg0 = (unsigned long) childregs; if (unlikely(p->flags & PF_KTHREAD)) { memset(childregs, 0, sizeof(struct pt_regs)); - p->thread->reg12 = usp; - p->thread->reg13 = arg; + p->thread.reg12 = usp; + p->thread.reg13 = arg; p->thread.reg3 = (unsigned long) ret_from_kernel_thread; } else { *childregs = *current_pt_regs(); diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index 2137ad6..78c4fdb 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -506,12 +506,17 @@ config SUN_OPENPROMFS Only choose N if you know in advance that you will not need to modify OpenPROM settings on the running system. -# Makefile helper +# Makefile helpers config SPARC64_PCI bool default y depends on SPARC64 && PCI +config SPARC64_PCI_MSI + bool + default y + depends on SPARC64_PCI && PCI_MSI + endmenu menu "Executable file formats" diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h index e204f90..7c90c50 100644 --- a/arch/sparc/include/asm/floppy_64.h +++ b/arch/sparc/include/asm/floppy_64.h @@ -254,7 +254,7 @@ static int sun_fd_request_irq(void) once = 1; error = request_irq(FLOPPY_IRQ, sparc_floppy_irq, - IRQF_DISABLED, "floppy", NULL); + 0, "floppy", NULL); return ((error == 0) ? 0 : -1); } diff --git a/arch/sparc/include/asm/jump_label.h b/arch/sparc/include/asm/jump_label.h index 5080d16..ec2e2e2 100644 --- a/arch/sparc/include/asm/jump_label.h +++ b/arch/sparc/include/asm/jump_label.h @@ -9,7 +9,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("1:\n\t" + asm_volatile_goto("1:\n\t" "nop\n\t" "nop\n\t" ".pushsection __jump_table, \"aw\"\n\t" diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile index d432fb2..d15cc17 100644 --- a/arch/sparc/kernel/Makefile +++ b/arch/sparc/kernel/Makefile @@ -1,3 +1,4 @@ + # # Makefile for the linux kernel. # @@ -99,7 +100,7 @@ obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-$(CONFIG_SPARC64_PCI) += pci.o pci_common.o psycho_common.o obj-$(CONFIG_SPARC64_PCI) += pci_psycho.o pci_sabre.o pci_schizo.o obj-$(CONFIG_SPARC64_PCI) += pci_sun4v.o pci_sun4v_asm.o pci_fire.o -obj-$(CONFIG_PCI_MSI) += pci_msi.o +obj-$(CONFIG_SPARC64_PCI_MSI) += pci_msi.o obj-$(CONFIG_COMPAT) += sys32.o sys_sparc32.o signal32.o diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c index 62d6b15..dff60ab 100644 --- a/arch/sparc/kernel/ds.c +++ b/arch/sparc/kernel/ds.c @@ -849,9 +849,8 @@ void ldom_reboot(const char *boot_command) if (boot_command && strlen(boot_command)) { unsigned long len; - strcpy(full_boot_str, "boot "); - strlcpy(full_boot_str + strlen("boot "), boot_command, - sizeof(full_boot_str + strlen("boot "))); + snprintf(full_boot_str, sizeof(full_boot_str), "boot %s", + boot_command); len = strlen(full_boot_str); if (reboot_data_supported) { diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c index 54df554..e01d75d 100644 --- a/arch/sparc/kernel/ldc.c +++ b/arch/sparc/kernel/ldc.c @@ -1249,12 +1249,12 @@ int ldc_bind(struct ldc_channel *lp, const char *name) snprintf(lp->rx_irq_name, LDC_IRQ_NAME_MAX, "%s RX", name); snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name); - err = request_irq(lp->cfg.rx_irq, ldc_rx, IRQF_DISABLED, + err = request_irq(lp->cfg.rx_irq, ldc_rx, 0, lp->rx_irq_name, lp); if (err) return err; - err = request_irq(lp->cfg.tx_irq, ldc_tx, IRQF_DISABLED, + err = request_irq(lp->cfg.tx_irq, ldc_tx, 0, lp->tx_irq_name, lp); if (err) { free_irq(lp->cfg.rx_irq, lp); diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c index d397d7f..6b39125 100644 --- a/arch/sparc/kernel/prom_64.c +++ b/arch/sparc/kernel/prom_64.c @@ -373,6 +373,59 @@ static const char *get_mid_prop(void) return (tlb_type == spitfire ? "upa-portid" : "portid"); } +bool arch_find_n_match_cpu_physical_id(struct device_node *cpun, + int cpu, unsigned int *thread) +{ + const char *mid_prop = get_mid_prop(); + int this_cpu_id; + + /* On hypervisor based platforms we interrogate the 'reg' + * property. On everything else we look for a 'upa-portis', + * 'portid', or 'cpuid' property. + */ + + if (tlb_type == hypervisor) { + struct property *prop = of_find_property(cpun, "reg", NULL); + u32 *regs; + + if (!prop) { + pr_warn("CPU node missing reg property\n"); + return false; + } + regs = prop->value; + this_cpu_id = regs[0] & 0x0fffffff; + } else { + this_cpu_id = of_getintprop_default(cpun, mid_prop, -1); + + if (this_cpu_id < 0) { + mid_prop = "cpuid"; + this_cpu_id = of_getintprop_default(cpun, mid_prop, -1); + } + if (this_cpu_id < 0) { + pr_warn("CPU node missing cpu ID property\n"); + return false; + } + } + if (this_cpu_id == cpu) { + if (thread) { + int proc_id = cpu_data(cpu).proc_id; + + /* On sparc64, the cpu thread information is obtained + * either from OBP or the machine description. We've + * actually probed this information already long before + * this interface gets called so instead of interrogating + * both the OF node and the MDESC again, just use what + * we discovered already. + */ + if (proc_id < 0) + proc_id = 0; + *thread = proc_id; + } + return true; + } + return false; +} + static void *of_iterate_over_cpus(void *(*func)(struct device_node *, int, int), int arg) { struct device_node *dp; diff --git a/arch/tile/include/asm/atomic.h b/arch/tile/include/asm/atomic.h index d385eaa..7097984 100644 --- a/arch/tile/include/asm/atomic.h +++ b/arch/tile/include/asm/atomic.h @@ -166,7 +166,7 @@ static inline int atomic_cmpxchg(atomic_t *v, int o, int n) * * Atomically sets @v to @i and returns old @v */ -static inline u64 atomic64_xchg(atomic64_t *v, u64 n) +static inline long long atomic64_xchg(atomic64_t *v, long long n) { return xchg64(&v->counter, n); } @@ -180,7 +180,8 @@ static inline u64 atomic64_xchg(atomic64_t *v, u64 n) * Atomically checks if @v holds @o and replaces it with @n if so. * Returns the old value at @v. */ -static inline u64 atomic64_cmpxchg(atomic64_t *v, u64 o, u64 n) +static inline long long atomic64_cmpxchg(atomic64_t *v, long long o, + long long n) { return cmpxchg64(&v->counter, o, n); } diff --git a/arch/tile/include/asm/atomic_32.h b/arch/tile/include/asm/atomic_32.h index 0d0395b..1ad4a1f 100644 --- a/arch/tile/include/asm/atomic_32.h +++ b/arch/tile/include/asm/atomic_32.h @@ -80,7 +80,7 @@ static inline void atomic_set(atomic_t *v, int n) /* A 64bit atomic type */ typedef struct { - u64 __aligned(8) counter; + long long counter; } atomic64_t; #define ATOMIC64_INIT(val) { (val) } @@ -91,14 +91,14 @@ typedef struct { * * Atomically reads the value of @v. */ -static inline u64 atomic64_read(const atomic64_t *v) +static inline long long atomic64_read(const atomic64_t *v) { /* * Requires an atomic op to read both 32-bit parts consistently. * Casting away const is safe since the atomic support routines * do not write to memory if the value has not been modified. */ - return _atomic64_xchg_add((u64 *)&v->counter, 0); + return _atomic64_xchg_add((long long *)&v->counter, 0); } /** @@ -108,7 +108,7 @@ static inline u64 atomic64_read(const atomic64_t *v) * * Atomically adds @i to @v. */ -static inline void atomic64_add(u64 i, atomic64_t *v) +static inline void atomic64_add(long long i, atomic64_t *v) { _atomic64_xchg_add(&v->counter, i); } @@ -120,7 +120,7 @@ static inline void atomic64_add(u64 i, atomic64_t *v) * * Atomically adds @i to @v and returns @i + @v */ -static inline u64 atomic64_add_return(u64 i, atomic64_t *v) +static inline long long atomic64_add_return(long long i, atomic64_t *v) { smp_mb(); /* barrier for proper semantics */ return _atomic64_xchg_add(&v->counter, i) + i; @@ -135,7 +135,8 @@ static inline u64 atomic64_add_return(u64 i, atomic64_t *v) * Atomically adds @a to @v, so long as @v was not already @u. * Returns non-zero if @v was not @u, and zero otherwise. */ -static inline u64 atomic64_add_unless(atomic64_t *v, u64 a, u64 u) +static inline long long atomic64_add_unless(atomic64_t *v, long long a, + long long u) { smp_mb(); /* barrier for proper semantics */ return _atomic64_xchg_add_unless(&v->counter, a, u) != u; @@ -151,7 +152,7 @@ static inline u64 atomic64_add_unless(atomic64_t *v, u64 a, u64 u) * atomic64_set() can't be just a raw store, since it would be lost if it * fell between the load and store of one of the other atomic ops. */ -static inline void atomic64_set(atomic64_t *v, u64 n) +static inline void atomic64_set(atomic64_t *v, long long n) { _atomic64_xchg(&v->counter, n); } @@ -236,11 +237,13 @@ extern struct __get_user __atomic_xchg_add_unless(volatile int *p, extern struct __get_user __atomic_or(volatile int *p, int *lock, int n); extern struct __get_user __atomic_andn(volatile int *p, int *lock, int n); extern struct __get_user __atomic_xor(volatile int *p, int *lock, int n); -extern u64 __atomic64_cmpxchg(volatile u64 *p, int *lock, u64 o, u64 n); -extern u64 __atomic64_xchg(volatile u64 *p, int *lock, u64 n); -extern u64 __atomic64_xchg_add(volatile u64 *p, int *lock, u64 n); -extern u64 __atomic64_xchg_add_unless(volatile u64 *p, - int *lock, u64 o, u64 n); +extern long long __atomic64_cmpxchg(volatile long long *p, int *lock, + long long o, long long n); +extern long long __atomic64_xchg(volatile long long *p, int *lock, long long n); +extern long long __atomic64_xchg_add(volatile long long *p, int *lock, + long long n); +extern long long __atomic64_xchg_add_unless(volatile long long *p, + int *lock, long long o, long long n); /* Return failure from the atomic wrappers. */ struct __get_user __atomic_bad_address(int __user *addr); diff --git a/arch/tile/include/asm/cmpxchg.h b/arch/tile/include/asm/cmpxchg.h index 4001d5e..0ccda3c 100644 --- a/arch/tile/include/asm/cmpxchg.h +++ b/arch/tile/include/asm/cmpxchg.h @@ -35,10 +35,10 @@ int _atomic_xchg(int *ptr, int n); int _atomic_xchg_add(int *v, int i); int _atomic_xchg_add_unless(int *v, int a, int u); int _atomic_cmpxchg(int *ptr, int o, int n); -u64 _atomic64_xchg(u64 *v, u64 n); -u64 _atomic64_xchg_add(u64 *v, u64 i); -u64 _atomic64_xchg_add_unless(u64 *v, u64 a, u64 u); -u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n); +long long _atomic64_xchg(long long *v, long long n); +long long _atomic64_xchg_add(long long *v, long long i); +long long _atomic64_xchg_add_unless(long long *v, long long a, long long u); +long long _atomic64_cmpxchg(long long *v, long long o, long long n); #define xchg(ptr, n) \ ({ \ @@ -53,7 +53,8 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n); if (sizeof(*(ptr)) != 4) \ __cmpxchg_called_with_bad_pointer(); \ smp_mb(); \ - (typeof(*(ptr)))_atomic_cmpxchg((int *)ptr, (int)o, (int)n); \ + (typeof(*(ptr)))_atomic_cmpxchg((int *)ptr, (int)o, \ + (int)n); \ }) #define xchg64(ptr, n) \ @@ -61,7 +62,8 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n); if (sizeof(*(ptr)) != 8) \ __xchg_called_with_bad_pointer(); \ smp_mb(); \ - (typeof(*(ptr)))_atomic64_xchg((u64 *)(ptr), (u64)(n)); \ + (typeof(*(ptr)))_atomic64_xchg((long long *)(ptr), \ + (long long)(n)); \ }) #define cmpxchg64(ptr, o, n) \ @@ -69,7 +71,8 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n); if (sizeof(*(ptr)) != 8) \ __cmpxchg_called_with_bad_pointer(); \ smp_mb(); \ - (typeof(*(ptr)))_atomic64_cmpxchg((u64 *)ptr, (u64)o, (u64)n); \ + (typeof(*(ptr)))_atomic64_cmpxchg((long long *)ptr, \ + (long long)o, (long long)n); \ }) #else @@ -81,10 +84,11 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n); switch (sizeof(*(ptr))) { \ case 4: \ __x = (typeof(__x))(unsigned long) \ - __insn_exch4((ptr), (u32)(unsigned long)(n)); \ + __insn_exch4((ptr), \ + (u32)(unsigned long)(n)); \ break; \ case 8: \ - __x = (typeof(__x)) \ + __x = (typeof(__x)) \ __insn_exch((ptr), (unsigned long)(n)); \ break; \ default: \ @@ -103,10 +107,12 @@ u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n); switch (sizeof(*(ptr))) { \ case 4: \ __x = (typeof(__x))(unsigned long) \ - __insn_cmpexch4((ptr), (u32)(unsigned long)(n)); \ + __insn_cmpexch4((ptr), \ + (u32)(unsigned long)(n)); \ break; \ case 8: \ - __x = (typeof(__x))__insn_cmpexch((ptr), (u64)(n)); \ + __x = (typeof(__x))__insn_cmpexch((ptr), \ + (long long)(n)); \ break; \ default: \ __cmpxchg_called_with_bad_pointer(); \ diff --git a/arch/tile/include/asm/percpu.h b/arch/tile/include/asm/percpu.h index 63294f5..4f7ae39 100644 --- a/arch/tile/include/asm/percpu.h +++ b/arch/tile/include/asm/percpu.h @@ -15,9 +15,37 @@ #ifndef _ASM_TILE_PERCPU_H #define _ASM_TILE_PERCPU_H -register unsigned long __my_cpu_offset __asm__("tp"); -#define __my_cpu_offset __my_cpu_offset -#define set_my_cpu_offset(tp) (__my_cpu_offset = (tp)) +register unsigned long my_cpu_offset_reg asm("tp"); + +#ifdef CONFIG_PREEMPT +/* + * For full preemption, we can't just use the register variable + * directly, since we need barrier() to hazard against it, causing the + * compiler to reload anything computed from a previous "tp" value. + * But we also don't want to use volatile asm, since we'd like the + * compiler to be able to cache the value across multiple percpu reads. + * So we use a fake stack read as a hazard against barrier(). + * The 'U' constraint is like 'm' but disallows postincrement. + */ +static inline unsigned long __my_cpu_offset(void) +{ + unsigned long tp; + register unsigned long *sp asm("sp"); + asm("move %0, tp" : "=r" (tp) : "U" (*sp)); + return tp; +} +#define __my_cpu_offset __my_cpu_offset() +#else +/* + * We don't need to hazard against barrier() since "tp" doesn't ever + * change with PREEMPT_NONE, and with PREEMPT_VOLUNTARY it only + * changes at function call points, at which we are already re-reading + * the value of "tp" due to "my_cpu_offset_reg" being a global variable. + */ +#define __my_cpu_offset my_cpu_offset_reg +#endif + +#define set_my_cpu_offset(tp) (my_cpu_offset_reg = (tp)) #include <asm-generic/percpu.h> diff --git a/arch/tile/kernel/hardwall.c b/arch/tile/kernel/hardwall.c index df27a1f..531f4c3 100644 --- a/arch/tile/kernel/hardwall.c +++ b/arch/tile/kernel/hardwall.c @@ -66,7 +66,7 @@ static struct hardwall_type hardwall_types[] = { 0, "udn", LIST_HEAD_INIT(hardwall_types[HARDWALL_UDN].list), - __SPIN_LOCK_INITIALIZER(hardwall_types[HARDWALL_UDN].lock), + __SPIN_LOCK_UNLOCKED(hardwall_types[HARDWALL_UDN].lock), NULL }, #ifndef __tilepro__ @@ -77,7 +77,7 @@ static struct hardwall_type hardwall_types[] = { 1, /* disabled pending hypervisor support */ "idn", LIST_HEAD_INIT(hardwall_types[HARDWALL_IDN].list), - __SPIN_LOCK_INITIALIZER(hardwall_types[HARDWALL_IDN].lock), + __SPIN_LOCK_UNLOCKED(hardwall_types[HARDWALL_IDN].lock), NULL }, { /* access to user-space IPI */ @@ -87,7 +87,7 @@ static struct hardwall_type hardwall_types[] = { 0, "ipi", LIST_HEAD_INIT(hardwall_types[HARDWALL_IPI].list), - __SPIN_LOCK_INITIALIZER(hardwall_types[HARDWALL_IPI].lock), + __SPIN_LOCK_UNLOCKED(hardwall_types[HARDWALL_IPI].lock), NULL }, #endif diff --git a/arch/tile/kernel/intvec_32.S b/arch/tile/kernel/intvec_32.S index 088d5c1..2cbe6d5 100644 --- a/arch/tile/kernel/intvec_32.S +++ b/arch/tile/kernel/intvec_32.S @@ -815,6 +815,9 @@ STD_ENTRY(interrupt_return) } bzt r28, 1f bnz r29, 1f + /* Disable interrupts explicitly for preemption. */ + IRQ_DISABLE(r20,r21) + TRACE_IRQS_OFF jal preempt_schedule_irq FEEDBACK_REENTER(interrupt_return) 1: diff --git a/arch/tile/kernel/intvec_64.S b/arch/tile/kernel/intvec_64.S index ec755d3..b8fc497 100644 --- a/arch/tile/kernel/intvec_64.S +++ b/arch/tile/kernel/intvec_64.S @@ -841,6 +841,9 @@ STD_ENTRY(interrupt_return) } beqzt r28, 1f bnez r29, 1f + /* Disable interrupts explicitly for preemption. */ + IRQ_DISABLE(r20,r21) + TRACE_IRQS_OFF jal preempt_schedule_irq FEEDBACK_REENTER(interrupt_return) 1: diff --git a/arch/tile/kernel/stack.c b/arch/tile/kernel/stack.c index 362284a..c93977a 100644 --- a/arch/tile/kernel/stack.c +++ b/arch/tile/kernel/stack.c @@ -23,6 +23,7 @@ #include <linux/mmzone.h> #include <linux/dcache.h> #include <linux/fs.h> +#include <linux/string.h> #include <asm/backtrace.h> #include <asm/page.h> #include <asm/ucontext.h> @@ -332,21 +333,18 @@ static void describe_addr(struct KBacktraceIterator *kbt, } if (vma->vm_file) { - char *s; p = d_path(&vma->vm_file->f_path, buf, bufsize); if (IS_ERR(p)) p = "?"; - s = strrchr(p, '/'); - if (s) - p = s+1; + name = kbasename(p); } else { - p = "anon"; + name = "anon"; } /* Generate a string description of the vma info. */ - namelen = strlen(p); + namelen = strlen(name); remaining = (bufsize - 1) - namelen; - memmove(buf, p, namelen); + memmove(buf, name, namelen); snprintf(buf + namelen, remaining, "[%lx+%lx] ", vma->vm_start, vma->vm_end - vma->vm_start); } diff --git a/arch/tile/lib/atomic_32.c b/arch/tile/lib/atomic_32.c index 759efa3..c89b211 100644 --- a/arch/tile/lib/atomic_32.c +++ b/arch/tile/lib/atomic_32.c @@ -107,19 +107,19 @@ unsigned long _atomic_xor(volatile unsigned long *p, unsigned long mask) EXPORT_SYMBOL(_atomic_xor); -u64 _atomic64_xchg(u64 *v, u64 n) +long long _atomic64_xchg(long long *v, long long n) { return __atomic64_xchg(v, __atomic_setup(v), n); } EXPORT_SYMBOL(_atomic64_xchg); -u64 _atomic64_xchg_add(u64 *v, u64 i) +long long _atomic64_xchg_add(long long *v, long long i) { return __atomic64_xchg_add(v, __atomic_setup(v), i); } EXPORT_SYMBOL(_atomic64_xchg_add); -u64 _atomic64_xchg_add_unless(u64 *v, u64 a, u64 u) +long long _atomic64_xchg_add_unless(long long *v, long long a, long long u) { /* * Note: argument order is switched here since it is easier @@ -130,7 +130,7 @@ u64 _atomic64_xchg_add_unless(u64 *v, u64 a, u64 u) } EXPORT_SYMBOL(_atomic64_xchg_add_unless); -u64 _atomic64_cmpxchg(u64 *v, u64 o, u64 n) +long long _atomic64_cmpxchg(long long *v, long long o, long long n) { return __atomic64_cmpxchg(v, __atomic_setup(v), o, n); } diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index ee2fb9d..145d703 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -860,7 +860,7 @@ source "kernel/Kconfig.preempt" config X86_UP_APIC bool "Local APIC support on uniprocessors" - depends on X86_32 && !SMP && !X86_32_NON_STANDARD + depends on X86_32 && !SMP && !X86_32_NON_STANDARD && !PCI_MSI ---help--- A local APIC (Advanced Programmable Interrupt Controller) is an integrated interrupt controller in the CPU. If you have a single-CPU @@ -885,11 +885,11 @@ config X86_UP_IOAPIC config X86_LOCAL_APIC def_bool y - depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC + depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_APIC || PCI_MSI config X86_IO_APIC def_bool y - depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_IOAPIC + depends on X86_64 || SMP || X86_32_NON_STANDARD || X86_UP_IOAPIC || PCI_MSI config X86_VISWS_APIC def_bool y diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index d3f5c63..89270b43 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -374,7 +374,7 @@ static __always_inline __pure bool __static_cpu_has(u16 bit) * Catch too early usage of this before alternatives * have run. */ - asm goto("1: jmp %l[t_warn]\n" + asm_volatile_goto("1: jmp %l[t_warn]\n" "2:\n" ".section .altinstructions,\"a\"\n" " .long 1b - .\n" @@ -388,7 +388,7 @@ static __always_inline __pure bool __static_cpu_has(u16 bit) #endif - asm goto("1: jmp %l[t_no]\n" + asm_volatile_goto("1: jmp %l[t_no]\n" "2:\n" ".section .altinstructions,\"a\"\n" " .long 1b - .\n" @@ -453,7 +453,7 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit) * have. Thus, we force the jump to the widest, 4-byte, signed relative * offset even though the last would often fit in less bytes. */ - asm goto("1: .byte 0xe9\n .long %l[t_dynamic] - 2f\n" + asm_volatile_goto("1: .byte 0xe9\n .long %l[t_dynamic] - 2f\n" "2:\n" ".section .altinstructions,\"a\"\n" " .long 1b - .\n" /* src offset */ diff --git a/arch/x86/include/asm/jump_label.h b/arch/x86/include/asm/jump_label.h index 64507f3..6a2cefb 100644 --- a/arch/x86/include/asm/jump_label.h +++ b/arch/x86/include/asm/jump_label.h @@ -18,7 +18,7 @@ static __always_inline bool arch_static_branch(struct static_key *key) { - asm goto("1:" + asm_volatile_goto("1:" ".byte " __stringify(STATIC_KEY_INIT_NOP) "\n\t" ".pushsection __jump_table, \"aw\" \n\t" _ASM_ALIGN "\n\t" diff --git a/arch/x86/include/asm/mutex_64.h b/arch/x86/include/asm/mutex_64.h index e7e6751..07537a4 100644 --- a/arch/x86/include/asm/mutex_64.h +++ b/arch/x86/include/asm/mutex_64.h @@ -20,7 +20,7 @@ static inline void __mutex_fastpath_lock(atomic_t *v, void (*fail_fn)(atomic_t *)) { - asm volatile goto(LOCK_PREFIX " decl %0\n" + asm_volatile_goto(LOCK_PREFIX " decl %0\n" " jns %l[exit]\n" : : "m" (v->counter) : "memory", "cc" @@ -75,7 +75,7 @@ static inline int __mutex_fastpath_lock_retval(atomic_t *count) static inline void __mutex_fastpath_unlock(atomic_t *v, void (*fail_fn)(atomic_t *)) { - asm volatile goto(LOCK_PREFIX " incl %0\n" + asm_volatile_goto(LOCK_PREFIX " incl %0\n" " jg %l[exit]\n" : : "m" (v->counter) : "memory", "cc" diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 897783b..9d84491 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -1888,10 +1888,7 @@ void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now) userpg->cap_user_rdpmc = x86_pmu.attr_rdpmc; userpg->pmc_width = x86_pmu.cntval_bits; - if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC)) - return; - - if (!boot_cpu_has(X86_FEATURE_NONSTOP_TSC)) + if (!sched_clock_stable) return; userpg->cap_user_time = 1; @@ -1899,10 +1896,8 @@ void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now) userpg->time_shift = CYC2NS_SCALE_FACTOR; userpg->time_offset = this_cpu_read(cyc2ns_offset) - now; - if (sched_clock_stable && !check_tsc_disabled()) { - userpg->cap_user_time_zero = 1; - userpg->time_zero = this_cpu_read(cyc2ns_offset); - } + userpg->cap_user_time_zero = 1; + userpg->time_zero = this_cpu_read(cyc2ns_offset); } /* diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c index cffd073..d35078e 100644 --- a/arch/x86/kernel/devicetree.c +++ b/arch/x86/kernel/devicetree.c @@ -87,7 +87,6 @@ struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus) static int x86_of_pci_irq_enable(struct pci_dev *dev) { - struct of_irq oirq; u32 virq; int ret; u8 pin; @@ -98,12 +97,7 @@ static int x86_of_pci_irq_enable(struct pci_dev *dev) if (!pin) return 0; - ret = of_irq_map_pci(dev, &oirq); - if (ret) - return ret; - - virq = irq_create_of_mapping(oirq.controller, oirq.specifier, - oirq.size); + virq = of_irq_parse_and_map_pci(dev, 0, 0); if (virq == 0) return -EINVAL; dev->irq = virq; diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index e643e74..7e920bf 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -326,6 +326,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6320"), }, }, + { /* Handle problems with rebooting on the Latitude E5410. */ + .callback = set_pci_reboot, + .ident = "Dell Latitude E5410", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E5410"), + }, + }, { /* Handle problems with rebooting on the Latitude E5420. */ .callback = set_pci_reboot, .ident = "Dell Latitude E5420", diff --git a/arch/x86/kernel/sysfb_simplefb.c b/arch/x86/kernel/sysfb_simplefb.c index 22513e9..86179d4 100644 --- a/arch/x86/kernel/sysfb_simplefb.c +++ b/arch/x86/kernel/sysfb_simplefb.c @@ -72,14 +72,14 @@ __init int create_simplefb(const struct screen_info *si, * the part that is occupied by the framebuffer */ len = mode->height * mode->stride; len = PAGE_ALIGN(len); - if (len > si->lfb_size << 16) { + if (len > (u64)si->lfb_size << 16) { printk(KERN_WARNING "sysfb: VRAM smaller than advertised\n"); return -EINVAL; } /* setup IORESOURCE_MEM as framebuffer memory */ memset(&res, 0, sizeof(res)); - res.flags = IORESOURCE_MEM; + res.flags = IORESOURCE_MEM | IORESOURCE_BUSY; res.name = simplefb_resname; res.start = si->lfb_base; res.end = si->lfb_base + len - 1; diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index a1216de..2b2fce1 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -3255,25 +3255,29 @@ static void vmx_decache_cr4_guest_bits(struct kvm_vcpu *vcpu) static void ept_load_pdptrs(struct kvm_vcpu *vcpu) { + struct kvm_mmu *mmu = vcpu->arch.walk_mmu; + if (!test_bit(VCPU_EXREG_PDPTR, (unsigned long *)&vcpu->arch.regs_dirty)) return; if (is_paging(vcpu) && is_pae(vcpu) && !is_long_mode(vcpu)) { - vmcs_write64(GUEST_PDPTR0, vcpu->arch.mmu.pdptrs[0]); - vmcs_write64(GUEST_PDPTR1, vcpu->arch.mmu.pdptrs[1]); - vmcs_write64(GUEST_PDPTR2, vcpu->arch.mmu.pdptrs[2]); - vmcs_write64(GUEST_PDPTR3, vcpu->arch.mmu.pdptrs[3]); + vmcs_write64(GUEST_PDPTR0, mmu->pdptrs[0]); + vmcs_write64(GUEST_PDPTR1, mmu->pdptrs[1]); + vmcs_write64(GUEST_PDPTR2, mmu->pdptrs[2]); + vmcs_write64(GUEST_PDPTR3, mmu->pdptrs[3]); } } static void ept_save_pdptrs(struct kvm_vcpu *vcpu) { + struct kvm_mmu *mmu = vcpu->arch.walk_mmu; + if (is_paging(vcpu) && is_pae(vcpu) && !is_long_mode(vcpu)) { - vcpu->arch.mmu.pdptrs[0] = vmcs_read64(GUEST_PDPTR0); - vcpu->arch.mmu.pdptrs[1] = vmcs_read64(GUEST_PDPTR1); - vcpu->arch.mmu.pdptrs[2] = vmcs_read64(GUEST_PDPTR2); - vcpu->arch.mmu.pdptrs[3] = vmcs_read64(GUEST_PDPTR3); + mmu->pdptrs[0] = vmcs_read64(GUEST_PDPTR0); + mmu->pdptrs[1] = vmcs_read64(GUEST_PDPTR1); + mmu->pdptrs[2] = vmcs_read64(GUEST_PDPTR2); + mmu->pdptrs[3] = vmcs_read64(GUEST_PDPTR3); } __set_bit(VCPU_EXREG_PDPTR, @@ -5345,7 +5349,9 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu) * There are errata that may cause this bit to not be set: * AAK134, BY25. */ - if (exit_qualification & INTR_INFO_UNBLOCK_NMI) + if (!(to_vmx(vcpu)->idt_vectoring_info & VECTORING_INFO_VALID_MASK) && + cpu_has_virtual_nmis() && + (exit_qualification & INTR_INFO_UNBLOCK_NMI)) vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO, GUEST_INTR_STATE_NMI); gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS); @@ -7775,10 +7781,6 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) vmcs_write64(GUEST_PDPTR1, vmcs12->guest_pdptr1); vmcs_write64(GUEST_PDPTR2, vmcs12->guest_pdptr2); vmcs_write64(GUEST_PDPTR3, vmcs12->guest_pdptr3); - __clear_bit(VCPU_EXREG_PDPTR, - (unsigned long *)&vcpu->arch.regs_avail); - __clear_bit(VCPU_EXREG_PDPTR, - (unsigned long *)&vcpu->arch.regs_dirty); } kvm_register_write(vcpu, VCPU_REGS_RSP, vmcs12->guest_rsp); diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c index 5596c7b..082e881 100644 --- a/arch/x86/pci/mmconfig-shared.c +++ b/arch/x86/pci/mmconfig-shared.c @@ -700,7 +700,7 @@ int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end, if (!(pci_probe & PCI_PROBE_MMCONF) || pci_mmcfg_arch_init_failed) return -ENODEV; - if (start > end || !addr) + if (start > end) return -EINVAL; mutex_lock(&pci_mmcfg_lock); @@ -716,6 +716,11 @@ int pci_mmconfig_insert(struct device *dev, u16 seg, u8 start, u8 end, return -EEXIST; } + if (!addr) { + mutex_unlock(&pci_mmcfg_lock); + return -EINVAL; + } + rc = -EBUSY; cfg = pci_mmconfig_alloc(seg, start, end, addr); if (cfg == NULL) { diff --git a/block/Kconfig b/block/Kconfig index 7f38e40..2429515 100644 --- a/block/Kconfig +++ b/block/Kconfig @@ -99,11 +99,16 @@ config BLK_DEV_THROTTLING See Documentation/cgroups/blkio-controller.txt for more information. -config CMDLINE_PARSER +config BLK_CMDLINE_PARSER bool "Block device command line partition parser" default n ---help--- - Parsing command line, get the partitions information. + Enabling this option allows you to specify the partition layout from + the kernel boot args. This is typically of use for embedded devices + which don't otherwise have any standardized method for listing the + partitions on a block device. + + See Documentation/block/cmdline-partition.txt for more information. menu "Partition Types" diff --git a/block/Makefile b/block/Makefile index 4fa4be5..671a83d 100644 --- a/block/Makefile +++ b/block/Makefile @@ -18,4 +18,4 @@ obj-$(CONFIG_IOSCHED_CFQ) += cfq-iosched.o obj-$(CONFIG_BLOCK_COMPAT) += compat_ioctl.o obj-$(CONFIG_BLK_DEV_INTEGRITY) += blk-integrity.o -obj-$(CONFIG_CMDLINE_PARSER) += cmdline-parser.o +obj-$(CONFIG_BLK_CMDLINE_PARSER) += cmdline-parser.o diff --git a/block/partitions/Kconfig b/block/partitions/Kconfig index 87a3208..9b29a99 100644 --- a/block/partitions/Kconfig +++ b/block/partitions/Kconfig @@ -263,7 +263,7 @@ config SYSV68_PARTITION config CMDLINE_PARTITION bool "Command line partition support" if PARTITION_ADVANCED - select CMDLINE_PARSER + select BLK_CMDLINE_PARSER help - Say Y here if you would read the partitions table from bootargs. + Say Y here if you want to read the partition table from bootargs. The format for the command line is just like mtdparts. diff --git a/block/partitions/cmdline.c b/block/partitions/cmdline.c index 56cf4ff..5141b56 100644 --- a/block/partitions/cmdline.c +++ b/block/partitions/cmdline.c @@ -2,15 +2,15 @@ * Copyright (C) 2013 HUAWEI * Author: Cai Zhiyong <caizhiyong@huawei.com> * - * Read block device partition table from command line. - * The partition used for fixed block device (eMMC) embedded device. - * It is no MBR, save storage space. Bootloader can be easily accessed + * Read block device partition table from the command line. + * Typically used for fixed block (eMMC) embedded devices. + * It has no MBR, so saves storage space. Bootloader can be easily accessed * by absolute address of data on the block device. * Users can easily change the partition. * * The format for the command line is just like mtdparts. * - * Verbose config please reference "Documentation/block/cmdline-partition.txt" + * For further information, see "Documentation/block/cmdline-partition.txt" * */ diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 611ce90..407ad13 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -968,7 +968,7 @@ int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device) } return 0; } -EXPORT_SYMBOL_GPL(acpi_bus_get_device); +EXPORT_SYMBOL(acpi_bus_get_device); int acpi_device_add(struct acpi_device *device, void (*release)(struct device *)) diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c index c9fd694..50329d1 100644 --- a/drivers/bcma/driver_pci.c +++ b/drivers/bcma/driver_pci.c @@ -210,25 +210,6 @@ static void bcma_core_pci_config_fixup(struct bcma_drv_pci *pc) } } -static void bcma_core_pci_power_save(struct bcma_drv_pci *pc, bool up) -{ - u16 data; - - if (pc->core->id.rev >= 15 && pc->core->id.rev <= 20) { - data = up ? 0x74 : 0x7C; - bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, - BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7F64); - bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, - BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data); - } else if (pc->core->id.rev >= 21 && pc->core->id.rev <= 22) { - data = up ? 0x75 : 0x7D; - bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, - BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7E65); - bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, - BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data); - } -} - /************************************************** * Init. **************************************************/ @@ -255,6 +236,32 @@ void bcma_core_pci_init(struct bcma_drv_pci *pc) bcma_core_pci_clientmode_init(pc); } +void bcma_core_pci_power_save(struct bcma_bus *bus, bool up) +{ + struct bcma_drv_pci *pc; + u16 data; + + if (bus->hosttype != BCMA_HOSTTYPE_PCI) + return; + + pc = &bus->drv_pci[0]; + + if (pc->core->id.rev >= 15 && pc->core->id.rev <= 20) { + data = up ? 0x74 : 0x7C; + bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, + BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7F64); + bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, + BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data); + } else if (pc->core->id.rev >= 21 && pc->core->id.rev <= 22) { + data = up ? 0x75 : 0x7D; + bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, + BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7E65); + bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1, + BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data); + } +} +EXPORT_SYMBOL_GPL(bcma_core_pci_power_save); + int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core, bool enable) { @@ -310,8 +317,6 @@ void bcma_core_pci_up(struct bcma_bus *bus) pc = &bus->drv_pci[0]; - bcma_core_pci_power_save(pc, true); - bcma_core_pci_extend_L1timer(pc, true); } EXPORT_SYMBOL_GPL(bcma_core_pci_up); @@ -326,7 +331,5 @@ void bcma_core_pci_down(struct bcma_bus *bus) pc = &bus->drv_pci[0]; bcma_core_pci_extend_L1timer(pc, false); - - bcma_core_pci_power_save(pc, false); } EXPORT_SYMBOL_GPL(bcma_core_pci_down); diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index a12b923..0a327f4 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -85,6 +85,7 @@ static struct usb_device_id ath3k_table[] = { { USB_DEVICE(0x04CA, 0x3008) }, { USB_DEVICE(0x13d3, 0x3362) }, { USB_DEVICE(0x0CF3, 0xE004) }, + { USB_DEVICE(0x0CF3, 0xE005) }, { USB_DEVICE(0x0930, 0x0219) }, { USB_DEVICE(0x0489, 0xe057) }, { USB_DEVICE(0x13d3, 0x3393) }, @@ -126,6 +127,7 @@ static struct usb_device_id ath3k_blist_tbl[] = { { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 8e16f0a..f3dfc0a 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -102,6 +102,7 @@ static struct usb_device_id btusb_table[] = { /* Broadcom BCM20702A0 */ { USB_DEVICE(0x0b05, 0x17b5) }, + { USB_DEVICE(0x0b05, 0x17cb) }, { USB_DEVICE(0x04ca, 0x2003) }, { USB_DEVICE(0x0489, 0xe042) }, { USB_DEVICE(0x413c, 0x8197) }, @@ -112,6 +113,9 @@ static struct usb_device_id btusb_table[] = { /*Broadcom devices with vendor specific id */ { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) }, + /* Belkin F8065bf - Broadcom based */ + { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, + { } /* Terminating entry */ }; @@ -148,6 +152,7 @@ static struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c index 19ab6ff..2394e97 100644 --- a/drivers/bus/mvebu-mbus.c +++ b/drivers/bus/mvebu-mbus.c @@ -700,6 +700,7 @@ static int __init mvebu_mbus_common_init(struct mvebu_mbus_state *mbus, phys_addr_t sdramwins_phys_base, size_t sdramwins_size) { + struct device_node *np; int win; mbus->mbuswins_base = ioremap(mbuswins_phys_base, mbuswins_size); @@ -712,8 +713,11 @@ static int __init mvebu_mbus_common_init(struct mvebu_mbus_state *mbus, return -ENOMEM; } - if (of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric")) + np = of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric"); + if (np) { mbus->hw_io_coherency = 1; + of_node_put(np); + } for (win = 0; win < mbus->soc->num_wins; win++) mvebu_mbus_disable_window(mbus, win); @@ -861,11 +865,13 @@ static void __init mvebu_mbus_get_pcie_resources(struct device_node *np, int ret; /* - * These are optional, so we clear them and they'll - * be zero if they are missing from the DT. + * These are optional, so we make sure that resource_size(x) will + * return 0. */ memset(mem, 0, sizeof(struct resource)); + mem->end = -1; memset(io, 0, sizeof(struct resource)); + io->end = -1; ret = of_property_read_u32_array(np, "pcie-mem-aperture", reg, ARRAY_SIZE(reg)); if (!ret) { diff --git a/drivers/char/random.c b/drivers/char/random.c index 7737b5b..7a744d3 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -640,7 +640,7 @@ struct timer_rand_state { */ void add_device_randomness(const void *buf, unsigned int size) { - unsigned long time = get_cycles() ^ jiffies; + unsigned long time = random_get_entropy() ^ jiffies; mix_pool_bytes(&input_pool, buf, size, NULL); mix_pool_bytes(&input_pool, &time, sizeof(time), NULL); @@ -677,7 +677,7 @@ static void add_timer_randomness(struct timer_rand_state *state, unsigned num) goto out; sample.jiffies = jiffies; - sample.cycles = get_cycles(); + sample.cycles = random_get_entropy(); sample.num = num; mix_pool_bytes(&input_pool, &sample, sizeof(sample), NULL); @@ -744,7 +744,7 @@ void add_interrupt_randomness(int irq, int irq_flags) struct fast_pool *fast_pool = &__get_cpu_var(irq_randomness); struct pt_regs *regs = get_irq_regs(); unsigned long now = jiffies; - __u32 input[4], cycles = get_cycles(); + __u32 input[4], cycles = random_get_entropy(); input[0] = cycles ^ jiffies; input[1] = irq; @@ -1459,12 +1459,11 @@ struct ctl_table random_table[] = { static u32 random_int_secret[MD5_MESSAGE_BYTES / 4] ____cacheline_aligned; -static int __init random_int_secret_init(void) +int random_int_secret_init(void) { get_random_bytes(random_int_secret, sizeof(random_int_secret)); return 0; } -late_initcall(random_int_secret_init); /* * Get a random word for internal kernel use only. Similar to urandom but @@ -1483,7 +1482,7 @@ unsigned int get_random_int(void) hash = get_cpu_var(get_random_int_hash); - hash[0] += current->pid + jiffies + get_cycles(); + hash[0] += current->pid + jiffies + random_get_entropy(); md5_transform(hash, random_int_secret); ret = hash[0]; put_cpu_var(get_random_int_hash); diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c index 78c49d8..c522a95 100644 --- a/drivers/cpufreq/cpufreq-cpu0.c +++ b/drivers/cpufreq/cpufreq-cpu0.c @@ -229,7 +229,7 @@ static int cpu0_cpufreq_probe(struct platform_device *pdev) if (of_property_read_u32(np, "clock-latency", &transition_latency)) transition_latency = CPUFREQ_ETERNAL; - if (cpu_reg) { + if (!IS_ERR(cpu_reg)) { struct opp *opp; unsigned long min_uV, max_uV; int i; diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 9733f29..32b3479 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -394,7 +394,10 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate) trace_cpu_frequency(pstate * 100000, cpu->cpu); cpu->pstate.current_pstate = pstate; - wrmsrl(MSR_IA32_PERF_CTL, pstate << 8); + if (limits.no_turbo) + wrmsrl(MSR_IA32_PERF_CTL, BIT(32) | (pstate << 8)); + else + wrmsrl(MSR_IA32_PERF_CTL, pstate << 8); } diff --git a/drivers/cpufreq/spear-cpufreq.c b/drivers/cpufreq/spear-cpufreq.c index 19e364fa..3f41816 100644 --- a/drivers/cpufreq/spear-cpufreq.c +++ b/drivers/cpufreq/spear-cpufreq.c @@ -113,7 +113,7 @@ static int spear_cpufreq_target(struct cpufreq_policy *policy, unsigned int target_freq, unsigned int relation) { struct cpufreq_freqs freqs; - unsigned long newfreq; + long newfreq; struct clk *srcclk; int index, ret, mult = 1; diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index 3054870..bc6d820 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -227,7 +227,7 @@ static int caam_probe(struct platform_device *pdev) topregs = (struct caam_full __iomem *)ctrl; /* Get the IRQ of the controller (for security violations only) */ - ctrlpriv->secvio_irq = of_irq_to_resource(nprop, 0, NULL); + ctrlpriv->secvio_irq = irq_of_parse_and_map(nprop, 0); /* * Enable DECO watchdogs and, if this is a PHYS_ADDR_T_64BIT kernel, diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c index 94b80a9..bdb786d 100644 --- a/drivers/crypto/caam/jr.c +++ b/drivers/crypto/caam/jr.c @@ -405,7 +405,7 @@ int caam_jr_probe(struct platform_device *pdev, struct device_node *np, dma_set_mask(jrdev, DMA_BIT_MASK(32)); /* Identify the interrupt */ - jrpriv->irq = of_irq_to_resource(np, 0, NULL); + jrpriv->irq = irq_of_parse_and_map(np, 0); /* Now do the platform independent part */ error = caam_jr_init(jrdev); /* now turn on hardware */ diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c index 8bdde57..e28104b 100644 --- a/drivers/crypto/omap-sham.c +++ b/drivers/crypto/omap-sham.c @@ -1818,7 +1818,7 @@ static int omap_sham_get_res_of(struct omap_sham_dev *dd, goto err; } - dd->irq = of_irq_to_resource(node, 0, NULL); + dd->irq = irq_of_parse_and_map(node, 0); if (!dd->irq) { dev_err(dev, "can't translate OF irq value\n"); err = -EINVAL; diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 526ec77..f238cfd 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -198,6 +198,7 @@ config TI_EDMA depends on ARCH_DAVINCI || ARCH_OMAP select DMA_ENGINE select DMA_VIRTUAL_CHANNELS + select TI_PRIV_EDMA default n help Enable support for the TI EDMA controller. This DMA diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index ff50ff4..3519111 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -306,6 +306,7 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg( EDMA_SLOT_ANY); if (echan->slot[i] < 0) { dev_err(dev, "Failed to allocate slot\n"); + kfree(edesc); return NULL; } } @@ -749,6 +750,6 @@ static void __exit edma_exit(void) } module_exit(edma_exit); -MODULE_AUTHOR("Matt Porter <mporter@ti.com>"); +MODULE_AUTHOR("Matt Porter <matt.porter@linaro.org>"); MODULE_DESCRIPTION("TI EDMA DMA engine driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index 78f8ca5..55852c0 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -437,17 +437,18 @@ static void dma_irq_handle_channel(struct imxdma_channel *imxdmac) struct imxdma_engine *imxdma = imxdmac->imxdma; int chno = imxdmac->channel; struct imxdma_desc *desc; + unsigned long flags; - spin_lock(&imxdma->lock); + spin_lock_irqsave(&imxdma->lock, flags); if (list_empty(&imxdmac->ld_active)) { - spin_unlock(&imxdma->lock); + spin_unlock_irqrestore(&imxdma->lock, flags); goto out; } desc = list_first_entry(&imxdmac->ld_active, struct imxdma_desc, node); - spin_unlock(&imxdma->lock); + spin_unlock_irqrestore(&imxdma->lock, flags); if (desc->sg) { u32 tmp; @@ -519,7 +520,6 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) { struct imxdma_channel *imxdmac = to_imxdma_chan(d->desc.chan); struct imxdma_engine *imxdma = imxdmac->imxdma; - unsigned long flags; int slot = -1; int i; @@ -527,7 +527,6 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) switch (d->type) { case IMXDMA_DESC_INTERLEAVED: /* Try to get a free 2D slot */ - spin_lock_irqsave(&imxdma->lock, flags); for (i = 0; i < IMX_DMA_2D_SLOTS; i++) { if ((imxdma->slots_2d[i].count > 0) && ((imxdma->slots_2d[i].xsr != d->x) || @@ -537,10 +536,8 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) slot = i; break; } - if (slot < 0) { - spin_unlock_irqrestore(&imxdma->lock, flags); + if (slot < 0) return -EBUSY; - } imxdma->slots_2d[slot].xsr = d->x; imxdma->slots_2d[slot].ysr = d->y; @@ -549,7 +546,6 @@ static int imxdma_xfer_desc(struct imxdma_desc *d) imxdmac->slot_2d = slot; imxdmac->enabled_2d = true; - spin_unlock_irqrestore(&imxdma->lock, flags); if (slot == IMX_DMA_2D_SLOT_A) { d->config_mem &= ~CCR_MSEL_B; @@ -625,18 +621,17 @@ static void imxdma_tasklet(unsigned long data) struct imxdma_channel *imxdmac = (void *)data; struct imxdma_engine *imxdma = imxdmac->imxdma; struct imxdma_desc *desc; + unsigned long flags; - spin_lock(&imxdma->lock); + spin_lock_irqsave(&imxdma->lock, flags); if (list_empty(&imxdmac->ld_active)) { /* Someone might have called terminate all */ - goto out; + spin_unlock_irqrestore(&imxdma->lock, flags); + return; } desc = list_first_entry(&imxdmac->ld_active, struct imxdma_desc, node); - if (desc->desc.callback) - desc->desc.callback(desc->desc.callback_param); - /* If we are dealing with a cyclic descriptor, keep it on ld_active * and dont mark the descriptor as complete. * Only in non-cyclic cases it would be marked as complete @@ -663,7 +658,11 @@ static void imxdma_tasklet(unsigned long data) __func__, imxdmac->channel); } out: - spin_unlock(&imxdma->lock); + spin_unlock_irqrestore(&imxdma->lock, flags); + + if (desc->desc.callback) + desc->desc.callback(desc->desc.callback_param); + } static int imxdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, @@ -883,7 +882,7 @@ static struct dma_async_tx_descriptor *imxdma_prep_dma_cyclic( kfree(imxdmac->sg_list); imxdmac->sg_list = kcalloc(periods + 1, - sizeof(struct scatterlist), GFP_KERNEL); + sizeof(struct scatterlist), GFP_ATOMIC); if (!imxdmac->sg_list) return NULL; diff --git a/drivers/dma/sh/rcar-hpbdma.c b/drivers/dma/sh/rcar-hpbdma.c index 45a5202..ebad845 100644 --- a/drivers/dma/sh/rcar-hpbdma.c +++ b/drivers/dma/sh/rcar-hpbdma.c @@ -93,6 +93,7 @@ struct hpb_dmae_chan { void __iomem *base; const struct hpb_dmae_slave_config *cfg; char dev_id[16]; /* unique name per DMAC of channel */ + dma_addr_t slave_addr; }; struct hpb_dmae_device { @@ -432,7 +433,6 @@ hpb_dmae_alloc_chan_resources(struct hpb_dmae_chan *hpb_chan, hpb_chan->xfer_mode = XFER_DOUBLE; } else { dev_err(hpb_chan->shdma_chan.dev, "DCR setting error"); - shdma_free_irq(&hpb_chan->shdma_chan); return -EINVAL; } @@ -446,7 +446,8 @@ hpb_dmae_alloc_chan_resources(struct hpb_dmae_chan *hpb_chan, return 0; } -static int hpb_dmae_set_slave(struct shdma_chan *schan, int slave_id, bool try) +static int hpb_dmae_set_slave(struct shdma_chan *schan, int slave_id, + dma_addr_t slave_addr, bool try) { struct hpb_dmae_chan *chan = to_chan(schan); const struct hpb_dmae_slave_config *sc = @@ -457,6 +458,7 @@ static int hpb_dmae_set_slave(struct shdma_chan *schan, int slave_id, bool try) if (try) return 0; chan->cfg = sc; + chan->slave_addr = slave_addr ? : sc->addr; return hpb_dmae_alloc_chan_resources(chan, sc); } @@ -468,7 +470,7 @@ static dma_addr_t hpb_dmae_slave_addr(struct shdma_chan *schan) { struct hpb_dmae_chan *chan = to_chan(schan); - return chan->cfg->addr; + return chan->slave_addr; } static struct shdma_desc *hpb_dmae_embedded_desc(void *buf, int i) @@ -614,7 +616,6 @@ static void hpb_dmae_chan_remove(struct hpb_dmae_device *hpbdev) shdma_for_each_chan(schan, &hpbdev->shdma_dev, i) { BUG_ON(!schan); - shdma_free_irq(schan); shdma_chan_remove(schan); } dma_dev->chancnt = 0; diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 0ff4355..89675f8 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -63,6 +63,7 @@ struct gpio_bank { struct gpio_chip chip; struct clk *dbck; u32 mod_usage; + u32 irq_usage; u32 dbck_enable_mask; bool dbck_enabled; struct device *dev; @@ -86,6 +87,9 @@ struct gpio_bank { #define GPIO_BIT(bank, gpio) (1 << GPIO_INDEX(bank, gpio)) #define GPIO_MOD_CTRL_BIT BIT(0) +#define BANK_USED(bank) (bank->mod_usage || bank->irq_usage) +#define LINE_USED(line, offset) (line & (1 << offset)) + static int irq_to_gpio(struct gpio_bank *bank, unsigned int gpio_irq) { return bank->chip.base + gpio_irq; @@ -420,15 +424,69 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, return 0; } +static void _enable_gpio_module(struct gpio_bank *bank, unsigned offset) +{ + if (bank->regs->pinctrl) { + void __iomem *reg = bank->base + bank->regs->pinctrl; + + /* Claim the pin for MPU */ + __raw_writel(__raw_readl(reg) | (1 << offset), reg); + } + + if (bank->regs->ctrl && !BANK_USED(bank)) { + void __iomem *reg = bank->base + bank->regs->ctrl; + u32 ctrl; + + ctrl = __raw_readl(reg); + /* Module is enabled, clocks are not gated */ + ctrl &= ~GPIO_MOD_CTRL_BIT; + __raw_writel(ctrl, reg); + bank->context.ctrl = ctrl; + } +} + +static void _disable_gpio_module(struct gpio_bank *bank, unsigned offset) +{ + void __iomem *base = bank->base; + + if (bank->regs->wkup_en && + !LINE_USED(bank->mod_usage, offset) && + !LINE_USED(bank->irq_usage, offset)) { + /* Disable wake-up during idle for dynamic tick */ + _gpio_rmw(base, bank->regs->wkup_en, 1 << offset, 0); + bank->context.wake_en = + __raw_readl(bank->base + bank->regs->wkup_en); + } + + if (bank->regs->ctrl && !BANK_USED(bank)) { + void __iomem *reg = bank->base + bank->regs->ctrl; + u32 ctrl; + + ctrl = __raw_readl(reg); + /* Module is disabled, clocks are gated */ + ctrl |= GPIO_MOD_CTRL_BIT; + __raw_writel(ctrl, reg); + bank->context.ctrl = ctrl; + } +} + +static int gpio_is_input(struct gpio_bank *bank, int mask) +{ + void __iomem *reg = bank->base + bank->regs->direction; + + return __raw_readl(reg) & mask; +} + static int gpio_irq_type(struct irq_data *d, unsigned type) { struct gpio_bank *bank = irq_data_get_irq_chip_data(d); unsigned gpio = 0; int retval; unsigned long flags; + unsigned offset; - if (WARN_ON(!bank->mod_usage)) - return -EINVAL; + if (!BANK_USED(bank)) + pm_runtime_get_sync(bank->dev); #ifdef CONFIG_ARCH_OMAP1 if (d->irq > IH_MPUIO_BASE) @@ -446,7 +504,17 @@ static int gpio_irq_type(struct irq_data *d, unsigned type) return -EINVAL; spin_lock_irqsave(&bank->lock, flags); - retval = _set_gpio_triggering(bank, GPIO_INDEX(bank, gpio), type); + offset = GPIO_INDEX(bank, gpio); + retval = _set_gpio_triggering(bank, offset, type); + if (!LINE_USED(bank->mod_usage, offset)) { + _enable_gpio_module(bank, offset); + _set_gpio_direction(bank, offset, 1); + } else if (!gpio_is_input(bank, 1 << offset)) { + spin_unlock_irqrestore(&bank->lock, flags); + return -EINVAL; + } + + bank->irq_usage |= 1 << GPIO_INDEX(bank, gpio); spin_unlock_irqrestore(&bank->lock, flags); if (type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) @@ -603,35 +671,19 @@ static int omap_gpio_request(struct gpio_chip *chip, unsigned offset) * If this is the first gpio_request for the bank, * enable the bank module. */ - if (!bank->mod_usage) + if (!BANK_USED(bank)) pm_runtime_get_sync(bank->dev); spin_lock_irqsave(&bank->lock, flags); /* Set trigger to none. You need to enable the desired trigger with - * request_irq() or set_irq_type(). + * request_irq() or set_irq_type(). Only do this if the IRQ line has + * not already been requested. */ - _set_gpio_triggering(bank, offset, IRQ_TYPE_NONE); - - if (bank->regs->pinctrl) { - void __iomem *reg = bank->base + bank->regs->pinctrl; - - /* Claim the pin for MPU */ - __raw_writel(__raw_readl(reg) | (1 << offset), reg); - } - - if (bank->regs->ctrl && !bank->mod_usage) { - void __iomem *reg = bank->base + bank->regs->ctrl; - u32 ctrl; - - ctrl = __raw_readl(reg); - /* Module is enabled, clocks are not gated */ - ctrl &= ~GPIO_MOD_CTRL_BIT; - __raw_writel(ctrl, reg); - bank->context.ctrl = ctrl; + if (!LINE_USED(bank->irq_usage, offset)) { + _set_gpio_triggering(bank, offset, IRQ_TYPE_NONE); + _enable_gpio_module(bank, offset); } - bank->mod_usage |= 1 << offset; - spin_unlock_irqrestore(&bank->lock, flags); return 0; @@ -640,31 +692,11 @@ static int omap_gpio_request(struct gpio_chip *chip, unsigned offset) static void omap_gpio_free(struct gpio_chip *chip, unsigned offset) { struct gpio_bank *bank = container_of(chip, struct gpio_bank, chip); - void __iomem *base = bank->base; unsigned long flags; spin_lock_irqsave(&bank->lock, flags); - - if (bank->regs->wkup_en) { - /* Disable wake-up during idle for dynamic tick */ - _gpio_rmw(base, bank->regs->wkup_en, 1 << offset, 0); - bank->context.wake_en = - __raw_readl(bank->base + bank->regs->wkup_en); - } - bank->mod_usage &= ~(1 << offset); - - if (bank->regs->ctrl && !bank->mod_usage) { - void __iomem *reg = bank->base + bank->regs->ctrl; - u32 ctrl; - - ctrl = __raw_readl(reg); - /* Module is disabled, clocks are gated */ - ctrl |= GPIO_MOD_CTRL_BIT; - __raw_writel(ctrl, reg); - bank->context.ctrl = ctrl; - } - + _disable_gpio_module(bank, offset); _reset_gpio(bank, bank->chip.base + offset); spin_unlock_irqrestore(&bank->lock, flags); @@ -672,7 +704,7 @@ static void omap_gpio_free(struct gpio_chip *chip, unsigned offset) * If this is the last gpio to be freed in the bank, * disable the bank module. */ - if (!bank->mod_usage) + if (!BANK_USED(bank)) pm_runtime_put(bank->dev); } @@ -762,10 +794,20 @@ static void gpio_irq_shutdown(struct irq_data *d) struct gpio_bank *bank = irq_data_get_irq_chip_data(d); unsigned int gpio = irq_to_gpio(bank, d->hwirq); unsigned long flags; + unsigned offset = GPIO_INDEX(bank, gpio); spin_lock_irqsave(&bank->lock, flags); + bank->irq_usage &= ~(1 << offset); + _disable_gpio_module(bank, offset); _reset_gpio(bank, gpio); spin_unlock_irqrestore(&bank->lock, flags); + + /* + * If this is the last IRQ to be freed in the bank, + * disable the bank module. + */ + if (!BANK_USED(bank)) + pm_runtime_put(bank->dev); } static void gpio_ack_irq(struct irq_data *d) @@ -897,13 +939,6 @@ static int gpio_input(struct gpio_chip *chip, unsigned offset) return 0; } -static int gpio_is_input(struct gpio_bank *bank, int mask) -{ - void __iomem *reg = bank->base + bank->regs->direction; - - return __raw_readl(reg) & mask; -} - static int gpio_get(struct gpio_chip *chip, unsigned offset) { struct gpio_bank *bank; @@ -922,13 +957,22 @@ static int gpio_output(struct gpio_chip *chip, unsigned offset, int value) { struct gpio_bank *bank; unsigned long flags; + int retval = 0; bank = container_of(chip, struct gpio_bank, chip); spin_lock_irqsave(&bank->lock, flags); + + if (LINE_USED(bank->irq_usage, offset)) { + retval = -EINVAL; + goto exit; + } + bank->set_dataout(bank, offset, value); _set_gpio_direction(bank, offset, 0); + +exit: spin_unlock_irqrestore(&bank->lock, flags); - return 0; + return retval; } static int gpio_debounce(struct gpio_chip *chip, unsigned offset, @@ -1400,7 +1444,7 @@ void omap2_gpio_prepare_for_idle(int pwr_mode) struct gpio_bank *bank; list_for_each_entry(bank, &omap_gpio_list, node) { - if (!bank->mod_usage || !bank->loses_context) + if (!BANK_USED(bank) || !bank->loses_context) continue; bank->power_mode = pwr_mode; @@ -1414,7 +1458,7 @@ void omap2_gpio_resume_after_idle(void) struct gpio_bank *bank; list_for_each_entry(bank, &omap_gpio_list, node) { - if (!bank->mod_usage || !bank->loses_context) + if (!BANK_USED(bank) || !bank->loses_context) continue; pm_runtime_get_sync(bank->dev); diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c index e3745eb..6038966 100644 --- a/drivers/gpio/gpio-rcar.c +++ b/drivers/gpio/gpio-rcar.c @@ -293,10 +293,9 @@ static void gpio_rcar_parse_pdata(struct gpio_rcar_priv *p) if (pdata) { p->config = *pdata; } else if (IS_ENABLED(CONFIG_OF) && np) { - ret = of_parse_phandle_with_args(np, "gpio-ranges", - "#gpio-range-cells", 0, &args); - p->config.number_of_pins = ret == 0 && args.args_count == 3 - ? args.args[2] + ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0, + &args); + p->config.number_of_pins = ret == 0 ? args.args[2] : RCAR_MAX_GPIO_PER_BANK; p->config.gpio_base = -1; } diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 1688ff5..830f750 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -2925,6 +2925,8 @@ int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb) /* Speaker Allocation Data Block */ if (dbl == 3) { *sadb = kmalloc(dbl, GFP_KERNEL); + if (!*sadb) + return -ENOMEM; memcpy(*sadb, &db[1], dbl); count = dbl; break; diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index f6f6cc7..3d13ca6e2 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -416,14 +416,6 @@ static void drm_fb_helper_dpms(struct fb_info *info, int dpms_mode) return; /* - * fbdev->blank can be called from irq context in case of a panic. - * Since we already have our own special panic handler which will - * restore the fbdev console mode completely, just bail out early. - */ - if (oops_in_progress) - return; - - /* * For each CRTC in this fb, turn the connectors on/off. */ drm_modeset_lock_all(dev); diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c index 92babac..2db731f 100644 --- a/drivers/gpu/drm/gma500/gtt.c +++ b/drivers/gpu/drm/gma500/gtt.c @@ -204,6 +204,7 @@ static int psb_gtt_attach_pages(struct gtt_range *gt) if (IS_ERR(pages)) return PTR_ERR(pages); + gt->npage = gt->gem.size / PAGE_SIZE; gt->pages = pages; return 0; diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index c27a210..d5c784d 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1290,12 +1290,9 @@ static int i915_load_modeset_init(struct drm_device *dev) * then we do not take part in VGA arbitration and the * vga_client_register() fails with -ENODEV. */ - if (!HAS_PCH_SPLIT(dev)) { - ret = vga_client_register(dev->pdev, dev, NULL, - i915_vga_set_decode); - if (ret && ret != -ENODEV) - goto out; - } + ret = vga_client_register(dev->pdev, dev, NULL, i915_vga_set_decode); + if (ret && ret != -ENODEV) + goto out; intel_register_dsm_handler(); @@ -1351,12 +1348,6 @@ static int i915_load_modeset_init(struct drm_device *dev) */ intel_fbdev_initial_config(dev); - /* - * Must do this after fbcon init so that - * vgacon_save_screen() works during the handover. - */ - i915_disable_vga_mem(dev); - /* Only enable hotplug handling once the fbdev is fully set up. */ dev_priv->enable_hotplug_processing = true; diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index c159e1a..38f96f6 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3881,6 +3881,9 @@ #define GEN7_SQ_CHICKEN_MBCUNIT_CONFIG 0x9030 #define GEN7_SQ_CHICKEN_MBCUNIT_SQINTMOB (1<<11) +#define HSW_SCRATCH1 0xb038 +#define HSW_SCRATCH1_L3_DATA_ATOMICS_DISABLE (1<<27) + #define HSW_FUSE_STRAP 0x42014 #define HSW_CDCLK_LIMIT (1 << 24) @@ -4728,6 +4731,9 @@ #define GEN7_ROW_CHICKEN2_GT2 0xf4f4 #define DOP_CLOCK_GATING_DISABLE (1<<0) +#define HSW_ROW_CHICKEN3 0xe49c +#define HSW_ROW_CHICKEN3_L3_GLOBAL_ATOMICS_DISABLE (1 << 6) + #define G4X_AUD_VID_DID (dev_priv->info->display_mmio_offset + 0x62020) #define INTEL_AUDIO_DEVCL 0x808629FB #define INTEL_AUDIO_DEVBLC 0x80862801 diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index e5822e7..581fb4b 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3941,8 +3941,6 @@ static void intel_connector_check_state(struct intel_connector *connector) * consider. */ void intel_connector_dpms(struct drm_connector *connector, int mode) { - struct intel_encoder *encoder = intel_attached_encoder(connector); - /* All the simple cases only support two dpms states. */ if (mode != DRM_MODE_DPMS_ON) mode = DRM_MODE_DPMS_OFF; @@ -3953,10 +3951,8 @@ void intel_connector_dpms(struct drm_connector *connector, int mode) connector->dpms = mode; /* Only need to change hw state when actually enabled */ - if (encoder->base.crtc) - intel_encoder_dpms(encoder, mode); - else - WARN_ON(encoder->connectors_active != false); + if (connector->encoder) + intel_encoder_dpms(to_intel_encoder(connector->encoder), mode); intel_modeset_check_state(connector->dev); } @@ -10049,33 +10045,6 @@ static void i915_disable_vga(struct drm_device *dev) POSTING_READ(vga_reg); } -static void i915_enable_vga_mem(struct drm_device *dev) -{ - /* Enable VGA memory on Intel HD */ - if (HAS_PCH_SPLIT(dev)) { - vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); - outb(inb(VGA_MSR_READ) | VGA_MSR_MEM_EN, VGA_MSR_WRITE); - vga_set_legacy_decoding(dev->pdev, VGA_RSRC_LEGACY_IO | - VGA_RSRC_LEGACY_MEM | - VGA_RSRC_NORMAL_IO | - VGA_RSRC_NORMAL_MEM); - vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); - } -} - -void i915_disable_vga_mem(struct drm_device *dev) -{ - /* Disable VGA memory on Intel HD */ - if (HAS_PCH_SPLIT(dev)) { - vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); - outb(inb(VGA_MSR_READ) & ~VGA_MSR_MEM_EN, VGA_MSR_WRITE); - vga_set_legacy_decoding(dev->pdev, VGA_RSRC_LEGACY_IO | - VGA_RSRC_NORMAL_IO | - VGA_RSRC_NORMAL_MEM); - vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); - } -} - void intel_modeset_init_hw(struct drm_device *dev) { intel_init_power_well(dev); @@ -10354,7 +10323,6 @@ void i915_redisable_vga(struct drm_device *dev) if (I915_READ(vga_reg) != VGA_DISP_DISABLE) { DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); i915_disable_vga(dev); - i915_disable_vga_mem(dev); } } @@ -10568,8 +10536,6 @@ void intel_modeset_cleanup(struct drm_device *dev) intel_disable_fbc(dev); - i915_enable_vga_mem(dev); - intel_disable_gt_powersave(dev); ironlake_teardown_rc6(dev); diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 79c14e2..2c555f9 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1467,7 +1467,7 @@ static void intel_edp_psr_setup(struct intel_dp *intel_dp) /* Avoid continuous PSR exit by masking memup and hpd */ I915_WRITE(EDP_PSR_DEBUG_CTL, EDP_PSR_DEBUG_MASK_MEMUP | - EDP_PSR_DEBUG_MASK_HPD); + EDP_PSR_DEBUG_MASK_HPD | EDP_PSR_DEBUG_MASK_LPSP); intel_dp->psr_setup_done = true; } diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index 28cae80..9b7b68f 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -793,6 +793,5 @@ extern void hsw_pc8_disable_interrupts(struct drm_device *dev); extern void hsw_pc8_restore_interrupts(struct drm_device *dev); extern void intel_aux_display_runtime_get(struct drm_i915_private *dev_priv); extern void intel_aux_display_runtime_put(struct drm_i915_private *dev_priv); -extern void i915_disable_vga_mem(struct drm_device *dev); #endif /* __INTEL_DRV_H__ */ diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index dd176b7..f4c5e95 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3864,8 +3864,6 @@ static void valleyview_enable_rps(struct drm_device *dev) dev_priv->rps.rpe_delay), dev_priv->rps.rpe_delay); - INIT_DELAYED_WORK(&dev_priv->rps.vlv_work, vlv_rps_timer_work); - valleyview_set_rps(dev_priv->dev, dev_priv->rps.rpe_delay); gen6_enable_rps_interrupts(dev); @@ -4955,6 +4953,11 @@ static void haswell_init_clock_gating(struct drm_device *dev) I915_WRITE(GEN7_L3_CHICKEN_MODE_REGISTER, GEN7_WA_L3_CHICKEN_MODE); + /* L3 caching of data atomics doesn't work -- disable it. */ + I915_WRITE(HSW_SCRATCH1, HSW_SCRATCH1_L3_DATA_ATOMICS_DISABLE); + I915_WRITE(HSW_ROW_CHICKEN3, + _MASKED_BIT_ENABLE(HSW_ROW_CHICKEN3_L3_GLOBAL_ATOMICS_DISABLE)); + /* This is required by WaCatErrorRejectionIssue:hsw */ I915_WRITE(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG, I915_READ(GEN7_SQ_CHICKEN_MBCUNIT_CONFIG) | @@ -5681,5 +5684,7 @@ void intel_pm_init(struct drm_device *dev) INIT_DELAYED_WORK(&dev_priv->rps.delayed_resume_work, intel_gen6_powersave_work); + + INIT_DELAYED_WORK(&dev_priv->rps.vlv_work, vlv_rps_timer_work); } diff --git a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c index 37712a6..e290cfa 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/mc/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/mc/base.c @@ -113,7 +113,7 @@ nouveau_mc_create_(struct nouveau_object *parent, struct nouveau_object *engine, pmc->use_msi = false; break; default: - pmc->use_msi = nouveau_boolopt(device->cfgopt, "NvMSI", true); + pmc->use_msi = nouveau_boolopt(device->cfgopt, "NvMSI", false); if (pmc->use_msi) { pmc->use_msi = pci_enable_msi(device->pdev) == 0; if (pmc->use_msi) { diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c index b162e98..9b6950d 100644 --- a/drivers/gpu/drm/radeon/btc_dpm.c +++ b/drivers/gpu/drm/radeon/btc_dpm.c @@ -1930,7 +1930,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev, } j++; - if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) return -EINVAL; tmp = RREG32(MC_PMG_CMD_MRS); @@ -1945,7 +1945,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev, } j++; - if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) return -EINVAL; break; case MC_SEQ_RESERVE_M >> 2: @@ -1959,7 +1959,7 @@ static int btc_set_mc_special_registers(struct radeon_device *rdev, } j++; - if (j > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE) return -EINVAL; break; default: diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index d02fd1c..b874ccd 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -77,6 +77,8 @@ static void cik_pcie_gen3_enable(struct radeon_device *rdev); static void cik_program_aspm(struct radeon_device *rdev); static void cik_init_pg(struct radeon_device *rdev); static void cik_init_cg(struct radeon_device *rdev); +static void cik_fini_pg(struct radeon_device *rdev); +static void cik_fini_cg(struct radeon_device *rdev); static void cik_enable_gui_idle_interrupt(struct radeon_device *rdev, bool enable); @@ -4185,6 +4187,10 @@ static void cik_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); + /* disable CG/PG */ + cik_fini_pg(rdev); + cik_fini_cg(rdev); + /* stop the rlc */ cik_rlc_stop(rdev); diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 555164e..b5c67a9 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3131,7 +3131,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev) rdev->config.evergreen.sx_max_export_size = 256; rdev->config.evergreen.sx_max_export_pos_size = 64; rdev->config.evergreen.sx_max_export_smx_size = 192; - rdev->config.evergreen.max_hw_contexts = 8; + rdev->config.evergreen.max_hw_contexts = 4; rdev->config.evergreen.sq_num_cf_insts = 2; rdev->config.evergreen.sc_prim_fifo_size = 0x40; diff --git a/drivers/gpu/drm/radeon/evergreen_hdmi.c b/drivers/gpu/drm/radeon/evergreen_hdmi.c index f71ce39..f815c20 100644 --- a/drivers/gpu/drm/radeon/evergreen_hdmi.c +++ b/drivers/gpu/drm/radeon/evergreen_hdmi.c @@ -288,8 +288,7 @@ void evergreen_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode /* fglrx clears sth in AFMT_AUDIO_PACKET_CONTROL2 here */ WREG32(HDMI_ACR_PACKET_CONTROL + offset, - HDMI_ACR_AUTO_SEND | /* allow hw to sent ACR packets when required */ - HDMI_ACR_SOURCE); /* select SW CTS value */ + HDMI_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ evergreen_hdmi_update_ACR(encoder, mode->clock); diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index 8768fd6..4f6d296 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -1501,7 +1501,7 @@ * 6. COMMAND [29:22] | BYTE_COUNT [20:0] */ # define PACKET3_CP_DMA_DST_SEL(x) ((x) << 20) - /* 0 - SRC_ADDR + /* 0 - DST_ADDR * 1 - GDS */ # define PACKET3_CP_DMA_ENGINE(x) ((x) << 27) @@ -1516,7 +1516,7 @@ # define PACKET3_CP_DMA_CP_SYNC (1 << 31) /* COMMAND */ # define PACKET3_CP_DMA_DIS_WC (1 << 21) -# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 23) +# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 22) /* 0 - none * 1 - 8 in 16 * 2 - 8 in 32 diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c index b0fa600..5b72931 100644 --- a/drivers/gpu/drm/radeon/r600_hdmi.c +++ b/drivers/gpu/drm/radeon/r600_hdmi.c @@ -57,15 +57,15 @@ enum r600_hdmi_iec_status_bits { static const struct radeon_hdmi_acr r600_hdmi_predefined_acr[] = { /* 32kHz 44.1kHz 48kHz */ /* Clock N CTS N CTS N CTS */ - { 25174, 4576, 28125, 7007, 31250, 6864, 28125 }, /* 25,20/1.001 MHz */ + { 25175, 4576, 28125, 7007, 31250, 6864, 28125 }, /* 25,20/1.001 MHz */ { 25200, 4096, 25200, 6272, 28000, 6144, 25200 }, /* 25.20 MHz */ { 27000, 4096, 27000, 6272, 30000, 6144, 27000 }, /* 27.00 MHz */ { 27027, 4096, 27027, 6272, 30030, 6144, 27027 }, /* 27.00*1.001 MHz */ { 54000, 4096, 54000, 6272, 60000, 6144, 54000 }, /* 54.00 MHz */ { 54054, 4096, 54054, 6272, 60060, 6144, 54054 }, /* 54.00*1.001 MHz */ - { 74175, 11648, 210937, 17836, 234375, 11648, 140625 }, /* 74.25/1.001 MHz */ + { 74176, 11648, 210937, 17836, 234375, 11648, 140625 }, /* 74.25/1.001 MHz */ { 74250, 4096, 74250, 6272, 82500, 6144, 74250 }, /* 74.25 MHz */ - { 148351, 11648, 421875, 8918, 234375, 5824, 140625 }, /* 148.50/1.001 MHz */ + { 148352, 11648, 421875, 8918, 234375, 5824, 140625 }, /* 148.50/1.001 MHz */ { 148500, 4096, 148500, 6272, 165000, 6144, 148500 }, /* 148.50 MHz */ { 0, 4096, 0, 6272, 0, 6144, 0 } /* Other */ }; @@ -75,8 +75,15 @@ static const struct radeon_hdmi_acr r600_hdmi_predefined_acr[] = { */ static void r600_hdmi_calc_cts(uint32_t clock, int *CTS, int N, int freq) { - if (*CTS == 0) - *CTS = clock * N / (128 * freq) * 1000; + u64 n; + u32 d; + + if (*CTS == 0) { + n = (u64)clock * (u64)N * 1000ULL; + d = 128 * freq; + do_div(n, d); + *CTS = n; + } DRM_DEBUG("Using ACR timing N=%d CTS=%d for frequency %d\n", N, *CTS, freq); } @@ -444,8 +451,8 @@ void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mod } WREG32(HDMI0_ACR_PACKET_CONTROL + offset, - HDMI0_ACR_AUTO_SEND | /* allow hw to sent ACR packets when required */ - HDMI0_ACR_SOURCE); /* select SW CTS value */ + HDMI0_ACR_SOURCE | /* select SW CTS value - XXX verify that hw CTS works on all families */ + HDMI0_ACR_AUTO_SEND); /* allow hw to sent ACR packets when required */ WREG32(HDMI0_VBI_PACKET_CONTROL + offset, HDMI0_NULL_SEND | /* send null packets when required */ diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index e673fe2..7b3c7b5 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -1523,7 +1523,7 @@ */ # define PACKET3_CP_DMA_CP_SYNC (1 << 31) /* COMMAND */ -# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 23) +# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 22) /* 0 - none * 1 - 8 in 16 * 2 - 8 in 32 diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c index ac07ad1..4f6b7fc 100644 --- a/drivers/gpu/drm/radeon/radeon_pm.c +++ b/drivers/gpu/drm/radeon/radeon_pm.c @@ -945,6 +945,8 @@ void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable) if (enable) { mutex_lock(&rdev->pm.mutex); rdev->pm.dpm.uvd_active = true; + /* disable this for now */ +#if 0 if ((rdev->pm.dpm.sd == 1) && (rdev->pm.dpm.hd == 0)) dpm_state = POWER_STATE_TYPE_INTERNAL_UVD_SD; else if ((rdev->pm.dpm.sd == 2) && (rdev->pm.dpm.hd == 0)) @@ -954,6 +956,7 @@ void radeon_dpm_enable_uvd(struct radeon_device *rdev, bool enable) else if ((rdev->pm.dpm.sd == 0) && (rdev->pm.dpm.hd == 2)) dpm_state = POWER_STATE_TYPE_INTERNAL_UVD_HD2; else +#endif dpm_state = POWER_STATE_TYPE_INTERNAL_UVD; rdev->pm.dpm.state = dpm_state; mutex_unlock(&rdev->pm.mutex); diff --git a/drivers/gpu/drm/radeon/radeon_test.c b/drivers/gpu/drm/radeon/radeon_test.c index f4d6bce..12e8099 100644 --- a/drivers/gpu/drm/radeon/radeon_test.c +++ b/drivers/gpu/drm/radeon/radeon_test.c @@ -36,8 +36,8 @@ static void radeon_do_test_moves(struct radeon_device *rdev, int flag) struct radeon_bo *vram_obj = NULL; struct radeon_bo **gtt_obj = NULL; uint64_t gtt_addr, vram_addr; - unsigned i, n, size; - int r, ring; + unsigned n, size; + int i, r, ring; switch (flag) { case RADEON_TEST_COPY_DMA: diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index a0f1185..4f2e73f 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -798,7 +798,8 @@ void radeon_uvd_note_usage(struct radeon_device *rdev) (rdev->pm.dpm.hd != hd)) { rdev->pm.dpm.sd = sd; rdev->pm.dpm.hd = hd; - streams_changed = true; + /* disable this for now */ + /*streams_changed = true;*/ } } diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index c354c10..d4652af 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -85,6 +85,9 @@ extern void si_dma_vm_set_page(struct radeon_device *rdev, uint32_t incr, uint32_t flags); static void si_enable_gui_idle_interrupt(struct radeon_device *rdev, bool enable); +static void si_fini_pg(struct radeon_device *rdev); +static void si_fini_cg(struct radeon_device *rdev); +static void si_rlc_stop(struct radeon_device *rdev); static const u32 verde_rlc_save_restore_register_list[] = { @@ -3608,6 +3611,13 @@ static void si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) dev_info(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n", RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS)); + /* disable PG/CG */ + si_fini_pg(rdev); + si_fini_cg(rdev); + + /* stop the rlc */ + si_rlc_stop(rdev); + /* Disable CP parsing/prefetching */ WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 9ace287..2332aa1 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -5208,7 +5208,7 @@ static int si_set_mc_special_registers(struct radeon_device *rdev, table->mc_reg_table_entry[k].mc_data[j] |= 0x100; } j++; - if (j > SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) return -EINVAL; if (!pi->mem_gddr5) { @@ -5218,7 +5218,7 @@ static int si_set_mc_special_registers(struct radeon_device *rdev, table->mc_reg_table_entry[k].mc_data[j] = (table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16; j++; - if (j > SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) return -EINVAL; } break; @@ -5231,7 +5231,7 @@ static int si_set_mc_special_registers(struct radeon_device *rdev, (temp_reg & 0xffff0000) | (table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff); j++; - if (j > SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) + if (j >= SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE) return -EINVAL; break; default: diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index 52d2ab6..7e2e0ea 100644 --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -1553,7 +1553,7 @@ * 6. COMMAND [30:21] | BYTE_COUNT [20:0] */ # define PACKET3_CP_DMA_DST_SEL(x) ((x) << 20) - /* 0 - SRC_ADDR + /* 0 - DST_ADDR * 1 - GDS */ # define PACKET3_CP_DMA_ENGINE(x) ((x) << 27) @@ -1568,7 +1568,7 @@ # define PACKET3_CP_DMA_CP_SYNC (1 << 31) /* COMMAND */ # define PACKET3_CP_DMA_DIS_WC (1 << 21) -# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 23) +# define PACKET3_CP_DMA_CMD_SRC_SWAP(x) ((x) << 22) /* 0 - none * 1 - 8 in 16 * 2 - 8 in 32 diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c index 7f998bf..9364129 100644 --- a/drivers/gpu/drm/radeon/trinity_dpm.c +++ b/drivers/gpu/drm/radeon/trinity_dpm.c @@ -1868,7 +1868,7 @@ int trinity_dpm_init(struct radeon_device *rdev) for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) pi->at[i] = TRINITY_AT_DFLT; - pi->enable_bapm = true; + pi->enable_bapm = false; pi->enable_nbps_policy = true; pi->enable_sclk_ds = true; pi->enable_gfx_power_gating = true; diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 71b70e3..c91d547 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -241,6 +241,7 @@ config HID_HOLTEK - Sharkoon Drakonia / Perixx MX-2000 gaming mice - Tracer Sniper TRM-503 / NOVA Gaming Slider X200 / Zalman ZM-GM1 + - SHARKOON DarkGlider Gaming mouse config HOLTEK_FF bool "Holtek On Line Grip force feedback support" diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index b8470b1..5a8c011 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1715,6 +1715,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { 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) }, { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) }, { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_580) }, { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) }, diff --git a/drivers/hid/hid-holtek-mouse.c b/drivers/hid/hid-holtek-mouse.c index 7e6db3c..e696566 100644 --- a/drivers/hid/hid-holtek-mouse.c +++ b/drivers/hid/hid-holtek-mouse.c @@ -27,6 +27,7 @@ * - USB ID 04d9:a067, sold as Sharkoon Drakonia and Perixx MX-2000 * - USB ID 04d9:a04a, sold as Tracer Sniper TRM-503, NOVA Gaming Slider X200 * and Zalman ZM-GM1 + * - USB ID 04d9:a081, sold as SHARKOON DarkGlider Gaming mouse */ static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, @@ -46,6 +47,7 @@ static __u8 *holtek_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, } break; case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A: + case USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081: if (*rsize >= 113 && rdesc[106] == 0xff && rdesc[107] == 0x7f && rdesc[111] == 0xff && rdesc[112] == 0x7f) { hid_info(hdev, "Fixing up report descriptor\n"); @@ -63,6 +65,8 @@ static const struct hid_device_id holtek_mouse_devices[] = { USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) }, { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) }, + { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, + USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) }, { } }; MODULE_DEVICE_TABLE(hid, holtek_mouse_devices); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index e60e8d5..9cbc7ab 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -450,6 +450,7 @@ #define USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD 0xa055 #define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067 0xa067 #define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A 0xa04a +#define USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081 0xa081 #define USB_VENDOR_ID_IMATION 0x0718 #define USB_DEVICE_ID_DISC_STAKKA 0xd000 diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c index 602c188..6101816 100644 --- a/drivers/hid/hid-roccat-kone.c +++ b/drivers/hid/hid-roccat-kone.c @@ -382,7 +382,7 @@ static ssize_t kone_sysfs_write_profilex(struct file *fp, } #define PROFILE_ATTR(number) \ static struct bin_attribute bin_attr_profile##number = { \ - .attr = { .name = "profile##number", .mode = 0660 }, \ + .attr = { .name = "profile" #number, .mode = 0660 }, \ .size = sizeof(struct kone_profile), \ .read = kone_sysfs_read_profilex, \ .write = kone_sysfs_write_profilex, \ diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c index 5ddf605..5e99fcd 100644 --- a/drivers/hid/hid-roccat-koneplus.c +++ b/drivers/hid/hid-roccat-koneplus.c @@ -229,13 +229,13 @@ static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp, #define PROFILE_ATTR(number) \ static struct bin_attribute bin_attr_profile##number##_settings = { \ - .attr = { .name = "profile##number##_settings", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ .size = KONEPLUS_SIZE_PROFILE_SETTINGS, \ .read = koneplus_sysfs_read_profilex_settings, \ .private = &profile_numbers[number-1], \ }; \ static struct bin_attribute bin_attr_profile##number##_buttons = { \ - .attr = { .name = "profile##number##_buttons", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ .size = KONEPLUS_SIZE_PROFILE_BUTTONS, \ .read = koneplus_sysfs_read_profilex_buttons, \ .private = &profile_numbers[number-1], \ diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c index 515bc03..0c8e1ef 100644 --- a/drivers/hid/hid-roccat-kovaplus.c +++ b/drivers/hid/hid-roccat-kovaplus.c @@ -257,13 +257,13 @@ static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp, #define PROFILE_ATTR(number) \ static struct bin_attribute bin_attr_profile##number##_settings = { \ - .attr = { .name = "profile##number##_settings", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ .size = KOVAPLUS_SIZE_PROFILE_SETTINGS, \ .read = kovaplus_sysfs_read_profilex_settings, \ .private = &profile_numbers[number-1], \ }; \ static struct bin_attribute bin_attr_profile##number##_buttons = { \ - .attr = { .name = "profile##number##_buttons", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ .size = KOVAPLUS_SIZE_PROFILE_BUTTONS, \ .read = kovaplus_sysfs_read_profilex_buttons, \ .private = &profile_numbers[number-1], \ diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c index 5a6dbbe..1a07e07 100644 --- a/drivers/hid/hid-roccat-pyra.c +++ b/drivers/hid/hid-roccat-pyra.c @@ -225,13 +225,13 @@ static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp, #define PROFILE_ATTR(number) \ static struct bin_attribute bin_attr_profile##number##_settings = { \ - .attr = { .name = "profile##number##_settings", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_settings", .mode = 0440 }, \ .size = PYRA_SIZE_PROFILE_SETTINGS, \ .read = pyra_sysfs_read_profilex_settings, \ .private = &profile_numbers[number-1], \ }; \ static struct bin_attribute bin_attr_profile##number##_buttons = { \ - .attr = { .name = "profile##number##_buttons", .mode = 0440 }, \ + .attr = { .name = "profile" #number "_buttons", .mode = 0440 }, \ .size = PYRA_SIZE_PROFILE_BUTTONS, \ .read = pyra_sysfs_read_profilex_buttons, \ .private = &profile_numbers[number-1], \ diff --git a/drivers/hid/hid-wiimote-modules.c b/drivers/hid/hid-wiimote-modules.c index 2e7d644..71adf9e 100644 --- a/drivers/hid/hid-wiimote-modules.c +++ b/drivers/hid/hid-wiimote-modules.c @@ -119,12 +119,22 @@ static const struct wiimod_ops wiimod_keys = { * the rumble motor, this flag shouldn't be set. */ +/* used by wiimod_rumble and wiipro_rumble */ +static void wiimod_rumble_worker(struct work_struct *work) +{ + struct wiimote_data *wdata = container_of(work, struct wiimote_data, + rumble_worker); + + spin_lock_irq(&wdata->state.lock); + wiiproto_req_rumble(wdata, wdata->state.cache_rumble); + spin_unlock_irq(&wdata->state.lock); +} + static int wiimod_rumble_play(struct input_dev *dev, void *data, struct ff_effect *eff) { struct wiimote_data *wdata = input_get_drvdata(dev); __u8 value; - unsigned long flags; /* * The wiimote supports only a single rumble motor so if any magnitude @@ -137,9 +147,10 @@ static int wiimod_rumble_play(struct input_dev *dev, void *data, else value = 0; - spin_lock_irqsave(&wdata->state.lock, flags); - wiiproto_req_rumble(wdata, value); - spin_unlock_irqrestore(&wdata->state.lock, flags); + /* Locking state.lock here might deadlock with input_event() calls. + * schedule_work acts as barrier. Merging multiple changes is fine. */ + wdata->state.cache_rumble = value; + schedule_work(&wdata->rumble_worker); return 0; } @@ -147,6 +158,8 @@ static int wiimod_rumble_play(struct input_dev *dev, void *data, static int wiimod_rumble_probe(const struct wiimod_ops *ops, struct wiimote_data *wdata) { + INIT_WORK(&wdata->rumble_worker, wiimod_rumble_worker); + set_bit(FF_RUMBLE, wdata->input->ffbit); if (input_ff_create_memless(wdata->input, NULL, wiimod_rumble_play)) return -ENOMEM; @@ -159,6 +172,8 @@ static void wiimod_rumble_remove(const struct wiimod_ops *ops, { unsigned long flags; + cancel_work_sync(&wdata->rumble_worker); + spin_lock_irqsave(&wdata->state.lock, flags); wiiproto_req_rumble(wdata, 0); spin_unlock_irqrestore(&wdata->state.lock, flags); @@ -1731,7 +1746,6 @@ static int wiimod_pro_play(struct input_dev *dev, void *data, { struct wiimote_data *wdata = input_get_drvdata(dev); __u8 value; - unsigned long flags; /* * The wiimote supports only a single rumble motor so if any magnitude @@ -1744,9 +1758,10 @@ static int wiimod_pro_play(struct input_dev *dev, void *data, else value = 0; - spin_lock_irqsave(&wdata->state.lock, flags); - wiiproto_req_rumble(wdata, value); - spin_unlock_irqrestore(&wdata->state.lock, flags); + /* Locking state.lock here might deadlock with input_event() calls. + * schedule_work acts as barrier. Merging multiple changes is fine. */ + wdata->state.cache_rumble = value; + schedule_work(&wdata->rumble_worker); return 0; } @@ -1756,6 +1771,8 @@ static int wiimod_pro_probe(const struct wiimod_ops *ops, { int ret, i; + INIT_WORK(&wdata->rumble_worker, wiimod_rumble_worker); + wdata->extension.input = input_allocate_device(); if (!wdata->extension.input) return -ENOMEM; @@ -1817,12 +1834,13 @@ static void wiimod_pro_remove(const struct wiimod_ops *ops, if (!wdata->extension.input) return; + input_unregister_device(wdata->extension.input); + wdata->extension.input = NULL; + cancel_work_sync(&wdata->rumble_worker); + spin_lock_irqsave(&wdata->state.lock, flags); wiiproto_req_rumble(wdata, 0); spin_unlock_irqrestore(&wdata->state.lock, flags); - - input_unregister_device(wdata->extension.input); - wdata->extension.input = NULL; } static const struct wiimod_ops wiimod_pro = { diff --git a/drivers/hid/hid-wiimote.h b/drivers/hid/hid-wiimote.h index f1474f3..75db0c4 100644 --- a/drivers/hid/hid-wiimote.h +++ b/drivers/hid/hid-wiimote.h @@ -133,13 +133,15 @@ struct wiimote_state { __u8 *cmd_read_buf; __u8 cmd_read_size; - /* calibration data */ + /* calibration/cache data */ __u16 calib_bboard[4][3]; + __u8 cache_rumble; }; struct wiimote_data { struct hid_device *hdev; struct input_dev *input; + struct work_struct rumble_worker; struct led_classdev *leds[4]; struct input_dev *accel; struct input_dev *ir; diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 8918dd1..6a6dd5c 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -308,18 +308,25 @@ static int hidraw_fasync(int fd, struct file *file, int on) static void drop_ref(struct hidraw *hidraw, int exists_bit) { if (exists_bit) { - hid_hw_close(hidraw->hid); hidraw->exist = 0; - if (hidraw->open) + if (hidraw->open) { + hid_hw_close(hidraw->hid); wake_up_interruptible(&hidraw->wait); + } } else { --hidraw->open; } - - if (!hidraw->open && !hidraw->exist) { - device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor)); - hidraw_table[hidraw->minor] = NULL; - kfree(hidraw); + if (!hidraw->open) { + if (!hidraw->exist) { + device_destroy(hidraw_class, + MKDEV(hidraw_major, hidraw->minor)); + hidraw_table[hidraw->minor] = NULL; + kfree(hidraw); + } else { + /* close device for last reader */ + hid_hw_power(hidraw->hid, PM_HINT_NORMAL); + hid_hw_close(hidraw->hid); + } } } diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c index 5bf2fb7..93b00d7 100644 --- a/drivers/hid/uhid.c +++ b/drivers/hid/uhid.c @@ -615,7 +615,7 @@ static const struct file_operations uhid_fops = { static struct miscdevice uhid_misc = { .fops = &uhid_fops, - .minor = MISC_DYNAMIC_MINOR, + .minor = UHID_MINOR, .name = UHID_NAME, }; @@ -634,4 +634,5 @@ module_exit(uhid_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("David Herrmann <dh.herrmann@gmail.com>"); MODULE_DESCRIPTION("User-space I/O driver support for HID subsystem"); +MODULE_ALIAS_MISCDEV(UHID_MINOR); MODULE_ALIAS("devname:" UHID_NAME); diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 98814d1..3288f13 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -230,6 +230,7 @@ static int send_argument(const char *key) static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len) { + u8 status, data = 0; int i; if (send_command(cmd) || send_argument(key)) { @@ -237,6 +238,7 @@ static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len) return -EIO; } + /* This has no effect on newer (2012) SMCs */ if (send_byte(len, APPLESMC_DATA_PORT)) { pr_warn("%.4s: read len fail\n", key); return -EIO; @@ -250,6 +252,17 @@ static int read_smc(u8 cmd, const char *key, u8 *buffer, u8 len) buffer[i] = inb(APPLESMC_DATA_PORT); } + /* Read the data port until bit0 is cleared */ + for (i = 0; i < 16; i++) { + udelay(APPLESMC_MIN_WAIT); + status = inb(APPLESMC_CMD_PORT); + if (!(status & 0x01)) + break; + data = inb(APPLESMC_DATA_PORT); + } + if (i) + pr_warn("flushed %d bytes, last value is: %d\n", i, data); + return 0; } diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c index b2b8aa9..3e5ea2c 100644 --- a/drivers/i2c/busses/i2c-cpm.c +++ b/drivers/i2c/busses/i2c-cpm.c @@ -447,7 +447,7 @@ static int cpm_i2c_setup(struct cpm_i2c *cpm) init_waitqueue_head(&cpm->i2c_wait); - cpm->irq = of_irq_to_resource(ofdev->dev.of_node, 0, NULL); + cpm->irq = irq_of_parse_and_map(ofdev->dev.of_node, 0); if (!cpm->irq) return -EINVAL; diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 4c1b605..0aa0113 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -270,7 +270,8 @@ static SIMPLE_DEV_PM_OPS(dw_i2c_dev_pm_ops, dw_i2c_suspend, dw_i2c_resume); MODULE_ALIAS("platform:i2c_designware"); static struct platform_driver dw_i2c_driver = { - .remove = dw_i2c_remove, + .probe = dw_i2c_probe, + .remove = dw_i2c_remove, .driver = { .name = "i2c_designware", .owner = THIS_MODULE, @@ -282,7 +283,7 @@ static struct platform_driver dw_i2c_driver = { static int __init dw_i2c_init_driver(void) { - return platform_driver_probe(&dw_i2c_driver, dw_i2c_probe); + return platform_driver_register(&dw_i2c_driver); } subsys_initcall(dw_i2c_init_driver); diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index ccf4665..1d7efa3 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -365,7 +365,7 @@ static void i2c_imx_stop(struct imx_i2c_struct *i2c_imx) clk_disable_unprepare(i2c_imx->clk); } -static void __init i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx, +static void i2c_imx_set_clk(struct imx_i2c_struct *i2c_imx, unsigned int rate) { struct imx_i2c_clk_pair *i2c_clk_div = i2c_imx->hwdata->clk_div; @@ -589,7 +589,7 @@ static struct i2c_algorithm i2c_imx_algo = { .functionality = i2c_imx_func, }; -static int __init i2c_imx_probe(struct platform_device *pdev) +static int i2c_imx_probe(struct platform_device *pdev) { const struct of_device_id *of_id = of_match_device(i2c_imx_dt_ids, &pdev->dev); @@ -697,7 +697,7 @@ static int __init i2c_imx_probe(struct platform_device *pdev) return 0; /* Return OK */ } -static int __exit i2c_imx_remove(struct platform_device *pdev) +static int i2c_imx_remove(struct platform_device *pdev) { struct imx_i2c_struct *i2c_imx = platform_get_drvdata(pdev); @@ -715,7 +715,8 @@ static int __exit i2c_imx_remove(struct platform_device *pdev) } static struct platform_driver i2c_imx_driver = { - .remove = __exit_p(i2c_imx_remove), + .probe = i2c_imx_probe, + .remove = i2c_imx_remove, .driver = { .name = DRIVER_NAME, .owner = THIS_MODULE, @@ -726,7 +727,7 @@ static struct platform_driver i2c_imx_driver = { static int __init i2c_adap_imx_init(void) { - return platform_driver_probe(&i2c_imx_driver, i2c_imx_probe); + return platform_driver_register(&i2c_imx_driver); } subsys_initcall(i2c_adap_imx_init); diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index f4a0167..b7c8577 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -780,12 +780,13 @@ static struct platform_driver mxs_i2c_driver = { .owner = THIS_MODULE, .of_match_table = mxs_i2c_dt_ids, }, + .probe = mxs_i2c_probe, .remove = mxs_i2c_remove, }; static int __init mxs_i2c_init(void) { - return platform_driver_probe(&mxs_i2c_driver, mxs_i2c_probe); + return platform_driver_register(&mxs_i2c_driver); } subsys_initcall(mxs_i2c_init); diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 6d8308d..9967a6f 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -939,6 +939,9 @@ omap_i2c_isr_thread(int this_irq, void *dev_id) /* * ProDB0017052: Clear ARDY bit twice */ + if (stat & OMAP_I2C_STAT_ARDY) + omap_i2c_ack_stat(dev, OMAP_I2C_STAT_ARDY); + if (stat & (OMAP_I2C_STAT_ARDY | OMAP_I2C_STAT_NACK | OMAP_I2C_STAT_AL)) { omap_i2c_ack_stat(dev, (OMAP_I2C_STAT_RRDY | diff --git a/drivers/i2c/busses/i2c-stu300.c b/drivers/i2c/busses/i2c-stu300.c index f8f6f2e..04a17b9 100644 --- a/drivers/i2c/busses/i2c-stu300.c +++ b/drivers/i2c/busses/i2c-stu300.c @@ -859,8 +859,7 @@ static const struct i2c_algorithm stu300_algo = { .functionality = stu300_func, }; -static int __init -stu300_probe(struct platform_device *pdev) +static int stu300_probe(struct platform_device *pdev) { struct stu300_dev *dev; struct i2c_adapter *adap; @@ -966,8 +965,7 @@ static SIMPLE_DEV_PM_OPS(stu300_pm, stu300_suspend, stu300_resume); #define STU300_I2C_PM NULL #endif -static int __exit -stu300_remove(struct platform_device *pdev) +static int stu300_remove(struct platform_device *pdev) { struct stu300_dev *dev = platform_get_drvdata(pdev); @@ -989,13 +987,14 @@ static struct platform_driver stu300_i2c_driver = { .pm = STU300_I2C_PM, .of_match_table = stu300_dt_match, }, - .remove = __exit_p(stu300_remove), + .probe = stu300_probe, + .remove = stu300_remove, }; static int __init stu300_init(void) { - return platform_driver_probe(&stu300_i2c_driver, stu300_probe); + return platform_driver_register(&stu300_i2c_driver); } static void __exit stu300_exit(void) diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 29d3f04..3be58f8 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -1134,6 +1134,9 @@ static void acpi_i2c_register_devices(struct i2c_adapter *adap) acpi_handle handle; acpi_status status; + if (!adap->dev.parent) + return; + handle = ACPI_HANDLE(adap->dev.parent); if (!handle) return; diff --git a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c index 74b41ae..928656e 100644 --- a/drivers/i2c/muxes/i2c-arb-gpio-challenge.c +++ b/drivers/i2c/muxes/i2c-arb-gpio-challenge.c @@ -200,7 +200,7 @@ static int i2c_arbitrator_probe(struct platform_device *pdev) arb->parent = of_find_i2c_adapter_by_node(parent_np); if (!arb->parent) { dev_err(dev, "Cannot find parent bus\n"); - return -EINVAL; + return -EPROBE_DEFER; } /* Actually add the mux adapter */ diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c index 5d4a99b..a764da7 100644 --- a/drivers/i2c/muxes/i2c-mux-gpio.c +++ b/drivers/i2c/muxes/i2c-mux-gpio.c @@ -66,7 +66,7 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux, struct device_node *adapter_np, *child; struct i2c_adapter *adapter; unsigned *values, *gpios; - int i = 0; + int i = 0, ret; if (!np) return -ENODEV; @@ -79,7 +79,7 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux, adapter = of_find_i2c_adapter_by_node(adapter_np); if (!adapter) { dev_err(&pdev->dev, "Cannot find parent bus\n"); - return -ENODEV; + return -EPROBE_DEFER; } mux->data.parent = i2c_adapter_id(adapter); put_device(&adapter->dev); @@ -116,8 +116,12 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux, return -ENOMEM; } - for (i = 0; i < mux->data.n_gpios; i++) - gpios[i] = of_get_named_gpio(np, "mux-gpios", i); + for (i = 0; i < mux->data.n_gpios; i++) { + ret = of_get_named_gpio(np, "mux-gpios", i); + if (ret < 0) + return ret; + gpios[i] = ret; + } mux->data.gpios = gpios; @@ -177,7 +181,7 @@ static int i2c_mux_gpio_probe(struct platform_device *pdev) if (!parent) { dev_err(&pdev->dev, "Parent adapter (%d) not found\n", mux->data.parent); - return -ENODEV; + return -EPROBE_DEFER; } mux->parent = parent; diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c index 69a9173..68a3715 100644 --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c @@ -113,7 +113,7 @@ static int i2c_mux_pinctrl_parse_dt(struct i2c_mux_pinctrl *mux, adapter = of_find_i2c_adapter_by_node(adapter_np); if (!adapter) { dev_err(mux->dev, "Cannot find parent bus\n"); - return -ENODEV; + return -EPROBE_DEFER; } mux->pdata->parent_bus_num = i2c_adapter_id(adapter); put_device(&adapter->dev); @@ -211,7 +211,7 @@ static int i2c_mux_pinctrl_probe(struct platform_device *pdev) if (!mux->parent) { dev_err(&pdev->dev, "Parent adapter (%d) not found\n", mux->pdata->parent_bus_num); - ret = -ENODEV; + ret = -EPROBE_DEFER; goto err; } diff --git a/drivers/iio/amplifiers/ad8366.c b/drivers/iio/amplifiers/ad8366.c index d0a79a4..ba6f6a9 100644 --- a/drivers/iio/amplifiers/ad8366.c +++ b/drivers/iio/amplifiers/ad8366.c @@ -185,10 +185,8 @@ static int ad8366_remove(struct spi_device *spi) iio_device_unregister(indio_dev); - if (!IS_ERR(reg)) { + if (!IS_ERR(reg)) regulator_disable(reg); - regulator_put(reg); - } return 0; } diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index 8e84cd5..f95c697 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -852,7 +852,6 @@ static void iio_dev_release(struct device *device) iio_device_unregister_trigger_consumer(indio_dev); iio_device_unregister_eventset(indio_dev); iio_device_unregister_sysfs(indio_dev); - iio_device_unregister_debugfs(indio_dev); ida_simple_remove(&iio_ida, indio_dev->id); kfree(indio_dev); @@ -1087,6 +1086,7 @@ void iio_device_unregister(struct iio_dev *indio_dev) if (indio_dev->chrdev.dev) cdev_del(&indio_dev->chrdev); + iio_device_unregister_debugfs(indio_dev); iio_disable_all_buffers(indio_dev); diff --git a/drivers/iio/magnetometer/st_magn_core.c b/drivers/iio/magnetometer/st_magn_core.c index e8d2849..cab3bc7 100644 --- a/drivers/iio/magnetometer/st_magn_core.c +++ b/drivers/iio/magnetometer/st_magn_core.c @@ -29,9 +29,9 @@ #define ST_MAGN_NUMBER_DATA_CHANNELS 3 /* DEFAULT VALUE FOR SENSORS */ -#define ST_MAGN_DEFAULT_OUT_X_L_ADDR 0X04 -#define ST_MAGN_DEFAULT_OUT_Y_L_ADDR 0X08 -#define ST_MAGN_DEFAULT_OUT_Z_L_ADDR 0X06 +#define ST_MAGN_DEFAULT_OUT_X_H_ADDR 0X03 +#define ST_MAGN_DEFAULT_OUT_Y_H_ADDR 0X07 +#define ST_MAGN_DEFAULT_OUT_Z_H_ADDR 0X05 /* FULLSCALE */ #define ST_MAGN_FS_AVL_1300MG 1300 @@ -117,16 +117,16 @@ static const struct iio_chan_spec st_magn_16bit_channels[] = { ST_SENSORS_LSM_CHANNELS(IIO_MAGN, BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), - ST_SENSORS_SCAN_X, 1, IIO_MOD_X, 's', IIO_LE, 16, 16, - ST_MAGN_DEFAULT_OUT_X_L_ADDR), + ST_SENSORS_SCAN_X, 1, IIO_MOD_X, 's', IIO_BE, 16, 16, + ST_MAGN_DEFAULT_OUT_X_H_ADDR), ST_SENSORS_LSM_CHANNELS(IIO_MAGN, BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), - ST_SENSORS_SCAN_Y, 1, IIO_MOD_Y, 's', IIO_LE, 16, 16, - ST_MAGN_DEFAULT_OUT_Y_L_ADDR), + ST_SENSORS_SCAN_Y, 1, IIO_MOD_Y, 's', IIO_BE, 16, 16, + ST_MAGN_DEFAULT_OUT_Y_H_ADDR), ST_SENSORS_LSM_CHANNELS(IIO_MAGN, BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE), - ST_SENSORS_SCAN_Z, 1, IIO_MOD_Z, 's', IIO_LE, 16, 16, - ST_MAGN_DEFAULT_OUT_Z_L_ADDR), + ST_SENSORS_SCAN_Z, 1, IIO_MOD_Z, 's', IIO_BE, 16, 16, + ST_MAGN_DEFAULT_OUT_Z_H_ADDR), IIO_CHAN_SOFT_TIMESTAMP(3) }; diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 653ac6b..6c923c7 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -1588,7 +1588,7 @@ static int srpt_build_tskmgmt_rsp(struct srpt_rdma_ch *ch, int resp_data_len; int resp_len; - resp_data_len = (rsp_code == SRP_TSK_MGMT_SUCCESS) ? 0 : 4; + resp_data_len = 4; resp_len = sizeof(*srp_rsp) + resp_data_len; srp_rsp = ioctx->ioctx.buf; @@ -1600,11 +1600,9 @@ static int srpt_build_tskmgmt_rsp(struct srpt_rdma_ch *ch, + atomic_xchg(&ch->req_lim_delta, 0)); srp_rsp->tag = tag; - if (rsp_code != SRP_TSK_MGMT_SUCCESS) { - srp_rsp->flags |= SRP_RSP_FLAG_RSPVALID; - srp_rsp->resp_data_len = cpu_to_be32(resp_data_len); - srp_rsp->data[3] = rsp_code; - } + srp_rsp->flags |= SRP_RSP_FLAG_RSPVALID; + srp_rsp->resp_data_len = cpu_to_be32(resp_data_len); + srp_rsp->data[3] = rsp_code; return resp_len; } @@ -2358,6 +2356,8 @@ static void srpt_release_channel_work(struct work_struct *w) transport_deregister_session(se_sess); ch->sess = NULL; + ib_destroy_cm_id(ch->cm_id); + srpt_destroy_ch_ib(ch); srpt_free_ioctx_ring((struct srpt_ioctx **)ch->ioctx_ring, @@ -2368,8 +2368,6 @@ static void srpt_release_channel_work(struct work_struct *w) list_del(&ch->list); spin_unlock_irq(&sdev->spinlock); - ib_destroy_cm_id(ch->cm_id); - if (ch->release_done) complete(ch->release_done); diff --git a/drivers/input/serio/xilinx_ps2.c b/drivers/input/serio/xilinx_ps2.c index b90eb4f..dfbcd87 100644 --- a/drivers/input/serio/xilinx_ps2.c +++ b/drivers/input/serio/xilinx_ps2.c @@ -236,12 +236,12 @@ static void sxps2_close(struct serio *pserio) */ static int xps2_of_probe(struct platform_device *ofdev) { - struct resource r_irq; /* Interrupt resources */ struct resource r_mem; /* IO mem resources */ struct xps2data *drvdata; struct serio *serio; struct device *dev = &ofdev->dev; resource_size_t remap_size, phys_addr; + unsigned int irq; int error; dev_info(dev, "Device Tree Probing \'%s\'\n", @@ -255,7 +255,8 @@ static int xps2_of_probe(struct platform_device *ofdev) } /* Get IRQ for the device */ - if (!of_irq_to_resource(ofdev->dev.of_node, 0, &r_irq)) { + irq = irq_of_parse_and_map(ofdev->dev.of_node, 0); + if (!irq) { dev_err(dev, "no IRQ found\n"); return -ENODEV; } @@ -268,7 +269,7 @@ static int xps2_of_probe(struct platform_device *ofdev) } spin_lock_init(&drvdata->lock); - drvdata->irq = r_irq.start; + drvdata->irq = irq; drvdata->serio = serio; drvdata->dev = dev; diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig index fe302e3..c880eba 100644 --- a/drivers/iommu/Kconfig +++ b/drivers/iommu/Kconfig @@ -52,7 +52,7 @@ config AMD_IOMMU select PCI_PRI select PCI_PASID select IOMMU_API - depends on X86_64 && PCI && ACPI && X86_IO_APIC + depends on X86_64 && PCI && ACPI ---help--- With this option you can enable support for AMD IOMMU hardware in your system. An IOMMU is a hardware component which provides diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index f417e89..181c9ba 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -377,6 +377,7 @@ struct arm_smmu_cfg { u32 cbar; pgd_t *pgd; }; +#define INVALID_IRPTNDX 0xff #define ARM_SMMU_CB_ASID(cfg) ((cfg)->cbndx) #define ARM_SMMU_CB_VMID(cfg) ((cfg)->cbndx + 1) @@ -840,7 +841,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, if (IS_ERR_VALUE(ret)) { dev_err(smmu->dev, "failed to request context IRQ %d (%u)\n", root_cfg->irptndx, irq); - root_cfg->irptndx = -1; + root_cfg->irptndx = INVALID_IRPTNDX; goto out_free_context; } @@ -869,7 +870,7 @@ static void arm_smmu_destroy_domain_context(struct iommu_domain *domain) writel_relaxed(0, cb_base + ARM_SMMU_CB_SCTLR); arm_smmu_tlb_inv_context(root_cfg); - if (root_cfg->irptndx != -1) { + if (root_cfg->irptndx != INVALID_IRPTNDX) { irq = smmu->irqs[smmu->num_global_irqs + root_cfg->irptndx]; free_irq(irq, domain); } @@ -1857,8 +1858,6 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) goto out_put_parent; } - arm_smmu_device_reset(smmu); - for (i = 0; i < smmu->num_global_irqs; ++i) { err = request_irq(smmu->irqs[i], arm_smmu_global_fault, @@ -1876,6 +1875,8 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) spin_lock(&arm_smmu_devices_lock); list_add(&smmu->list, &arm_smmu_devices); spin_unlock(&arm_smmu_devices_lock); + + arm_smmu_device_reset(smmu); return 0; out_free_irqs: @@ -1966,10 +1967,10 @@ static int __init arm_smmu_init(void) return ret; /* Oh, for a proper bus abstraction */ - if (!iommu_present(&platform_bus_type)); + if (!iommu_present(&platform_bus_type)) bus_set_iommu(&platform_bus_type, &arm_smmu_ops); - if (!iommu_present(&amba_bustype)); + if (!iommu_present(&amba_bustype)) bus_set_iommu(&amba_bustype, &arm_smmu_ops); return 0; diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c index 71eb233..b6a74bc 100644 --- a/drivers/md/bcache/request.c +++ b/drivers/md/bcache/request.c @@ -996,6 +996,7 @@ static void request_write(struct cached_dev *dc, struct search *s) closure_bio_submit(bio, cl, s->d); } else { bch_writeback_add(dc); + s->op.cache_bio = bio; if (bio->bi_rw & REQ_FLUSH) { /* Also need to send a flush to the backing device */ @@ -1008,8 +1009,6 @@ static void request_write(struct cached_dev *dc, struct search *s) flush->bi_private = cl; closure_bio_submit(flush, cl, s->d); - } else { - s->op.cache_bio = bio; } } out: diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c index 87ed3fb..f344659 100644 --- a/drivers/mmc/host/sh_mobile_sdhi.c +++ b/drivers/mmc/host/sh_mobile_sdhi.c @@ -113,14 +113,14 @@ static const struct sh_mobile_sdhi_ops sdhi_ops = { }; static const struct of_device_id sh_mobile_sdhi_of_match[] = { - { .compatible = "renesas,shmobile-sdhi" }, - { .compatible = "renesas,sh7372-sdhi" }, - { .compatible = "renesas,sh73a0-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a73a4-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a7740-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a7778-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a7779-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, - { .compatible = "renesas,r8a7790-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-shmobile" }, + { .compatible = "renesas,sdhi-sh7372" }, + { .compatible = "renesas,sdhi-sh73a0", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-r8a73a4", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-r8a7740", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-r8a7778", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-r8a7779", .data = &sh_mobile_sdhi_of_cfg[0], }, + { .compatible = "renesas,sdhi-r8a7790", .data = &sh_mobile_sdhi_of_cfg[0], }, {}, }; MODULE_DEVICE_TABLE(of, sh_mobile_sdhi_of_match); diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c index 26b14f9..6bc9618 100644 --- a/drivers/mtd/devices/m25p80.c +++ b/drivers/mtd/devices/m25p80.c @@ -168,12 +168,25 @@ static inline int write_disable(struct m25p *flash) */ static inline int set_4byte(struct m25p *flash, u32 jedec_id, int enable) { + int status; + bool need_wren = false; + switch (JEDEC_MFR(jedec_id)) { - case CFI_MFR_MACRONIX: case CFI_MFR_ST: /* Micron, actually */ + /* Some Micron need WREN command; all will accept it */ + need_wren = true; + case CFI_MFR_MACRONIX: case 0xEF /* winbond */: + if (need_wren) + write_enable(flash); + flash->command[0] = enable ? OPCODE_EN4B : OPCODE_EX4B; - return spi_write(flash->spi, flash->command, 1); + status = spi_write(flash->spi, flash->command, 1); + + if (need_wren) + write_disable(flash); + + return status; default: /* Spansion style */ flash->command[0] = OPCODE_BRWR; diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 7ed4841..d340b2f 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2869,10 +2869,8 @@ static int nand_flash_detect_ext_param_page(struct mtd_info *mtd, len = le16_to_cpu(p->ext_param_page_length) * 16; ep = kmalloc(len, GFP_KERNEL); - if (!ep) { - ret = -ENOMEM; - goto ext_out; - } + if (!ep) + return -ENOMEM; /* Send our own NAND_CMD_PARAM. */ chip->cmdfunc(mtd, NAND_CMD_PARAM, 0, -1); @@ -2920,7 +2918,7 @@ static int nand_flash_detect_ext_param_page(struct mtd_info *mtd, } pr_info("ONFI extended param page detected.\n"); - return 0; + ret = 0; ext_out: kfree(ep); diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 55bbb8b..e883bfe 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1724,6 +1724,7 @@ static int __bond_release_one(struct net_device *bond_dev, struct bonding *bond = netdev_priv(bond_dev); struct slave *slave, *oldcurrent; struct sockaddr addr; + int old_flags = bond_dev->flags; netdev_features_t old_features = bond_dev->features; /* slave is not a slave or master is not master of this slave */ @@ -1855,12 +1856,18 @@ static int __bond_release_one(struct net_device *bond_dev, * bond_change_active_slave(..., NULL) */ if (!USES_PRIMARY(bond->params.mode)) { - /* unset promiscuity level from slave */ - if (bond_dev->flags & IFF_PROMISC) + /* unset promiscuity level from slave + * NOTE: The NETDEV_CHANGEADDR call above may change the value + * of the IFF_PROMISC flag in the bond_dev, but we need the + * value of that flag before that change, as that was the value + * when this slave was attached, so we cache at the start of the + * function and use it here. Same goes for ALLMULTI below + */ + if (old_flags & IFF_PROMISC) dev_set_promiscuity(slave_dev, -1); /* unset allmulti level from slave */ - if (bond_dev->flags & IFF_ALLMULTI) + if (old_flags & IFF_ALLMULTI) dev_set_allmulti(slave_dev, -1); bond_hw_addr_flush(bond_dev, slave_dev); diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 71c677e..3f21142 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -702,7 +702,6 @@ static int flexcan_chip_start(struct net_device *dev) { struct flexcan_priv *priv = netdev_priv(dev); struct flexcan_regs __iomem *regs = priv->base; - unsigned int i; int err; u32 reg_mcr, reg_ctrl; @@ -772,17 +771,6 @@ static int flexcan_chip_start(struct net_device *dev) netdev_dbg(dev, "%s: writing ctrl=0x%08x", __func__, reg_ctrl); flexcan_write(reg_ctrl, ®s->ctrl); - for (i = 0; i < ARRAY_SIZE(regs->cantxfg); i++) { - flexcan_write(0, ®s->cantxfg[i].can_ctrl); - flexcan_write(0, ®s->cantxfg[i].can_id); - flexcan_write(0, ®s->cantxfg[i].data[0]); - flexcan_write(0, ®s->cantxfg[i].data[1]); - - /* put MB into rx queue */ - flexcan_write(FLEXCAN_MB_CNT_CODE(0x4), - ®s->cantxfg[i].can_ctrl); - } - /* acceptance mask/acceptance code (accept everything) */ flexcan_write(0x0, ®s->rxgmask); flexcan_write(0x0, ®s->rx14mask); diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c index 874188b..25377e5 100644 --- a/drivers/net/can/slcan.c +++ b/drivers/net/can/slcan.c @@ -76,6 +76,10 @@ MODULE_PARM_DESC(maxdev, "Maximum number of slcan interfaces"); /* maximum rx buffer len: extended CAN frame with timestamp */ #define SLC_MTU (sizeof("T1111222281122334455667788EA5F\r")+1) +#define SLC_CMD_LEN 1 +#define SLC_SFF_ID_LEN 3 +#define SLC_EFF_ID_LEN 8 + struct slcan { int magic; @@ -142,47 +146,63 @@ static void slc_bump(struct slcan *sl) { struct sk_buff *skb; struct can_frame cf; - int i, dlc_pos, tmp; - unsigned long ultmp; - char cmd = sl->rbuff[0]; - - if ((cmd != 't') && (cmd != 'T') && (cmd != 'r') && (cmd != 'R')) + int i, tmp; + u32 tmpid; + char *cmd = sl->rbuff; + + cf.can_id = 0; + + switch (*cmd) { + case 'r': + cf.can_id = CAN_RTR_FLAG; + /* fallthrough */ + case 't': + /* store dlc ASCII value and terminate SFF CAN ID string */ + cf.can_dlc = sl->rbuff[SLC_CMD_LEN + SLC_SFF_ID_LEN]; + sl->rbuff[SLC_CMD_LEN + SLC_SFF_ID_LEN] = 0; + /* point to payload data behind the dlc */ + cmd += SLC_CMD_LEN + SLC_SFF_ID_LEN + 1; + break; + case 'R': + cf.can_id = CAN_RTR_FLAG; + /* fallthrough */ + case 'T': + cf.can_id |= CAN_EFF_FLAG; + /* store dlc ASCII value and terminate EFF CAN ID string */ + cf.can_dlc = sl->rbuff[SLC_CMD_LEN + SLC_EFF_ID_LEN]; + sl->rbuff[SLC_CMD_LEN + SLC_EFF_ID_LEN] = 0; + /* point to payload data behind the dlc */ + cmd += SLC_CMD_LEN + SLC_EFF_ID_LEN + 1; + break; + default: return; + } - if (cmd & 0x20) /* tiny chars 'r' 't' => standard frame format */ - dlc_pos = 4; /* dlc position tiiid */ - else - dlc_pos = 9; /* dlc position Tiiiiiiiid */ - - if (!((sl->rbuff[dlc_pos] >= '0') && (sl->rbuff[dlc_pos] < '9'))) + if (kstrtou32(sl->rbuff + SLC_CMD_LEN, 16, &tmpid)) return; - cf.can_dlc = sl->rbuff[dlc_pos] - '0'; /* get can_dlc from ASCII val */ + cf.can_id |= tmpid; - sl->rbuff[dlc_pos] = 0; /* terminate can_id string */ - - if (kstrtoul(sl->rbuff+1, 16, &ultmp)) + /* get can_dlc from sanitized ASCII value */ + if (cf.can_dlc >= '0' && cf.can_dlc < '9') + cf.can_dlc -= '0'; + else return; - cf.can_id = ultmp; - - if (!(cmd & 0x20)) /* NO tiny chars => extended frame format */ - cf.can_id |= CAN_EFF_FLAG; - - if ((cmd | 0x20) == 'r') /* RTR frame */ - cf.can_id |= CAN_RTR_FLAG; - *(u64 *) (&cf.data) = 0; /* clear payload */ - for (i = 0, dlc_pos++; i < cf.can_dlc; i++) { - tmp = hex_to_bin(sl->rbuff[dlc_pos++]); - if (tmp < 0) - return; - cf.data[i] = (tmp << 4); - tmp = hex_to_bin(sl->rbuff[dlc_pos++]); - if (tmp < 0) - return; - cf.data[i] |= tmp; + /* RTR frames may have a dlc > 0 but they never have any data bytes */ + if (!(cf.can_id & CAN_RTR_FLAG)) { + for (i = 0; i < cf.can_dlc; i++) { + tmp = hex_to_bin(*cmd++); + if (tmp < 0) + return; + cf.data[i] = (tmp << 4); + tmp = hex_to_bin(*cmd++); + if (tmp < 0) + return; + cf.data[i] |= tmp; + } } skb = dev_alloc_skb(sizeof(struct can_frame) + @@ -209,7 +229,6 @@ static void slc_bump(struct slcan *sl) /* parse tty input stream */ static void slcan_unesc(struct slcan *sl, unsigned char s) { - if ((s == '\r') || (s == '\a')) { /* CR or BEL ends the pdu */ if (!test_and_clear_bit(SLF_ERROR, &sl->flags) && (sl->rcount > 4)) { @@ -236,27 +255,46 @@ static void slcan_unesc(struct slcan *sl, unsigned char s) /* Encapsulate one can_frame and stuff into a TTY queue. */ static void slc_encaps(struct slcan *sl, struct can_frame *cf) { - int actual, idx, i; - char cmd; + int actual, i; + unsigned char *pos; + unsigned char *endpos; + canid_t id = cf->can_id; + + pos = sl->xbuff; if (cf->can_id & CAN_RTR_FLAG) - cmd = 'R'; /* becomes 'r' in standard frame format */ + *pos = 'R'; /* becomes 'r' in standard frame format (SFF) */ else - cmd = 'T'; /* becomes 't' in standard frame format */ + *pos = 'T'; /* becomes 't' in standard frame format (SSF) */ - if (cf->can_id & CAN_EFF_FLAG) - sprintf(sl->xbuff, "%c%08X%d", cmd, - cf->can_id & CAN_EFF_MASK, cf->can_dlc); - else - sprintf(sl->xbuff, "%c%03X%d", cmd | 0x20, - cf->can_id & CAN_SFF_MASK, cf->can_dlc); + /* determine number of chars for the CAN-identifier */ + if (cf->can_id & CAN_EFF_FLAG) { + id &= CAN_EFF_MASK; + endpos = pos + SLC_EFF_ID_LEN; + } else { + *pos |= 0x20; /* convert R/T to lower case for SFF */ + id &= CAN_SFF_MASK; + endpos = pos + SLC_SFF_ID_LEN; + } - idx = strlen(sl->xbuff); + /* build 3 (SFF) or 8 (EFF) digit CAN identifier */ + pos++; + while (endpos >= pos) { + *endpos-- = hex_asc_upper[id & 0xf]; + id >>= 4; + } + + pos += (cf->can_id & CAN_EFF_FLAG) ? SLC_EFF_ID_LEN : SLC_SFF_ID_LEN; - for (i = 0; i < cf->can_dlc; i++) - sprintf(&sl->xbuff[idx + 2*i], "%02X", cf->data[i]); + *pos++ = cf->can_dlc + '0'; + + /* RTR frames may have a dlc > 0 but they never have any data bytes */ + if (!(cf->can_id & CAN_RTR_FLAG)) { + for (i = 0; i < cf->can_dlc; i++) + pos = hex_byte_pack_upper(pos, cf->data[i]); + } - strcat(sl->xbuff, "\r"); /* add terminating character */ + *pos++ = '\r'; /* Order of next two lines is *very* important. * When we are sending a little amount of data, @@ -267,8 +305,8 @@ static void slc_encaps(struct slcan *sl, struct can_frame *cf) * 14 Oct 1994 Dmitry Gorodchanin. */ set_bit(TTY_DO_WRITE_WAKEUP, &sl->tty->flags); - actual = sl->tty->ops->write(sl->tty, sl->xbuff, strlen(sl->xbuff)); - sl->xleft = strlen(sl->xbuff) - actual; + actual = sl->tty->ops->write(sl->tty, sl->xbuff, pos - sl->xbuff); + sl->xleft = (pos - sl->xbuff) - actual; sl->xhead = sl->xbuff + actual; sl->dev->stats.tx_bytes += cf->can_dlc; } @@ -286,11 +324,13 @@ static void slcan_write_wakeup(struct tty_struct *tty) if (!sl || sl->magic != SLCAN_MAGIC || !netif_running(sl->dev)) return; + spin_lock(&sl->lock); if (sl->xleft <= 0) { /* Now serial buffer is almost free & we can start * transmission of another packet */ sl->dev->stats.tx_packets++; clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); + spin_unlock(&sl->lock); netif_wake_queue(sl->dev); return; } @@ -298,6 +338,7 @@ static void slcan_write_wakeup(struct tty_struct *tty) actual = tty->ops->write(tty, sl->xhead, sl->xleft); sl->xleft -= actual; sl->xhead += actual; + spin_unlock(&sl->lock); } /* Send a can_frame to a TTY queue. */ 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 a0f647f..0b7a4c3 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c @@ -463,7 +463,7 @@ static int peak_usb_start(struct peak_usb_device *dev) if (i < PCAN_USB_MAX_TX_URBS) { if (i == 0) { netdev_err(netdev, "couldn't setup any tx URB\n"); - return err; + goto err_tx; } netdev_warn(netdev, "tx performance may be slow\n"); @@ -472,7 +472,7 @@ static int peak_usb_start(struct peak_usb_device *dev) if (dev->adapter->dev_start) { err = dev->adapter->dev_start(dev); if (err) - goto failed; + goto err_adapter; } dev->state |= PCAN_USB_STATE_STARTED; @@ -481,19 +481,26 @@ static int peak_usb_start(struct peak_usb_device *dev) if (dev->adapter->dev_set_bus) { err = dev->adapter->dev_set_bus(dev, 1); if (err) - goto failed; + goto err_adapter; } dev->can.state = CAN_STATE_ERROR_ACTIVE; return 0; -failed: +err_adapter: if (err == -ENODEV) netif_device_detach(dev->netdev); netdev_warn(netdev, "couldn't submit control: %d\n", err); + for (i = 0; i < PCAN_USB_MAX_TX_URBS; i++) { + usb_free_urb(dev->tx_contexts[i].urb); + dev->tx_contexts[i].urb = NULL; + } +err_tx: + usb_kill_anchored_urbs(&dev->rx_submitted); + return err; } diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c index 9e16014..d087852 100644 --- a/drivers/net/ethernet/arc/emac_main.c +++ b/drivers/net/ethernet/arc/emac_main.c @@ -628,12 +628,12 @@ static const struct net_device_ops arc_emac_netdev_ops = { static int arc_emac_probe(struct platform_device *pdev) { - struct resource res_regs, res_irq; + struct resource res_regs; struct device_node *phy_node; struct arc_emac_priv *priv; struct net_device *ndev; const char *mac_addr; - unsigned int id, clock_frequency; + unsigned int id, clock_frequency, irq; int err; if (!pdev->dev.of_node) @@ -661,8 +661,8 @@ static int arc_emac_probe(struct platform_device *pdev) } /* Get IRQ from device tree */ - err = of_irq_to_resource(pdev->dev.of_node, 0, &res_irq); - if (!err) { + irq = irq_of_parse_and_map(pdev->dev.of_node, 0); + if (!irq) { dev_err(&pdev->dev, "failed to retrieve <irq> value from device tree\n"); return -ENODEV; } @@ -711,7 +711,7 @@ static int arc_emac_probe(struct platform_device *pdev) goto out; } - ndev->irq = res_irq.start; + ndev->irq = irq; dev_info(&pdev->dev, "IRQ is %d\n", ndev->irq); /* Register interrupt handler for device */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 61726af..e66beff 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -2481,8 +2481,7 @@ load_error_cnic2: load_error_cnic1: bnx2x_napi_disable_cnic(bp); /* Update the number of queues without the cnic queues */ - rc = bnx2x_set_real_num_queues(bp, 0); - if (rc) + if (bnx2x_set_real_num_queues(bp, 0)) BNX2X_ERR("Unable to set real_num_queues not including cnic\n"); load_error_cnic0: BNX2X_ERR("CNIC-related load failed\n"); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index d60a2ea..5146822 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -175,6 +175,7 @@ typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy, #define EDC_MODE_LINEAR 0x0022 #define EDC_MODE_LIMITING 0x0044 #define EDC_MODE_PASSIVE_DAC 0x0055 +#define EDC_MODE_ACTIVE_DAC 0x0066 /* ETS defines*/ #define DCBX_INVALID_COS (0xFF) @@ -3684,6 +3685,41 @@ static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy, bnx2x_update_link_attr(params, vars->link_attr_sync); } +static void bnx2x_disable_kr2(struct link_params *params, + struct link_vars *vars, + struct bnx2x_phy *phy) +{ + struct bnx2x *bp = params->bp; + int i; + static struct bnx2x_reg_set reg_set[] = { + /* Step 1 - Program the TX/RX alignment markers */ + {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000}, + {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002}, + {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000}, + {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7}, + {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7}, + {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002}, + {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000} + }; + DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n"); + + for (i = 0; i < ARRAY_SIZE(reg_set); i++) + bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, + reg_set[i].val); + vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE; + bnx2x_update_link_attr(params, vars->link_attr_sync); + + vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT; +} + static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy, struct link_params *params) { @@ -3715,7 +3751,6 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { u16 lane, i, cl72_ctrl, an_adv = 0; - u16 ucode_ver; struct bnx2x *bp = params->bp; static struct bnx2x_reg_set reg_set[] = { {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, @@ -3806,15 +3841,7 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, /* Advertise pause */ bnx2x_ext_phy_set_pause(params, phy, vars); - /* Set KR Autoneg Work-Around flag for Warpcore version older than D108 - */ - bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, - MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver); - if (ucode_ver < 0xd108) { - DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n", - ucode_ver); - vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; - } + vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0x100); @@ -3838,6 +3865,8 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, bnx2x_set_aer_mmd(params, phy); bnx2x_warpcore_enable_AN_KR2(phy, params, vars); + } else { + bnx2x_disable_kr2(params, vars, phy); } /* Enable Autoneg: only on the main lane */ @@ -4347,20 +4376,14 @@ static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy, struct bnx2x *bp = params->bp; u32 serdes_net_if; u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0; - u16 lane = bnx2x_get_warpcore_lane(phy, params); vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1; if (!vars->turn_to_run_wc_rt) return; - /* Return if there is no link partner */ - if (!(bnx2x_warpcore_get_sigdet(phy, params))) { - DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n"); - return; - } - if (vars->rx_tx_asic_rst) { + u16 lane = bnx2x_get_warpcore_lane(phy, params); serdes_net_if = (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info. port_hw_config[params->port].default_cfg)) & @@ -4375,14 +4398,8 @@ static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy, /*10G KR*/ lnkup_kr = (gp_status1 >> (12+lane)) & 0x1; - DP(NETIF_MSG_LINK, - "gp_status1 0x%x\n", gp_status1); - if (lnkup_kr || lnkup) { - vars->rx_tx_asic_rst = 0; - DP(NETIF_MSG_LINK, - "link up, rx_tx_asic_rst 0x%x\n", - vars->rx_tx_asic_rst); + vars->rx_tx_asic_rst = 0; } else { /* Reset the lane to see if link comes up.*/ bnx2x_warpcore_reset_lane(bp, phy, 1); @@ -4507,10 +4524,14 @@ static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy, * enabled transmitter to avoid current leakage in case * no module is connected */ - if (bnx2x_is_sfp_module_plugged(phy, params)) - bnx2x_sfp_module_detection(phy, params); - else - bnx2x_sfp_e3_set_transmitter(params, phy, 1); + if ((params->loopback_mode == LOOPBACK_NONE) || + (params->loopback_mode == LOOPBACK_EXT)) { + if (bnx2x_is_sfp_module_plugged(phy, params)) + bnx2x_sfp_module_detection(phy, params); + else + bnx2x_sfp_e3_set_transmitter(params, + phy, 1); + } bnx2x_warpcore_config_sfi(phy, params); break; @@ -5757,6 +5778,11 @@ static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy, rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed, duplex); + /* In case of KR link down, start up the recovering procedure */ + if ((!link_up) && (phy->media_type == ETH_PHY_KR) && + (!(phy->flags & FLAGS_WC_DUAL_MODE))) + vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; + DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n", vars->duplex, vars->flow_ctrl, vars->link_status); return rc; @@ -6507,6 +6533,11 @@ static int bnx2x_link_initialize(struct link_params *params, params->phy[INT_PHY].config_init(phy, params, vars); } + /* Re-read this value in case it was changed inside config_init due to + * limitations of optic module + */ + vars->line_speed = params->phy[INT_PHY].req_line_speed; + /* Init external phy*/ if (non_ext_phy) { if (params->phy[INT_PHY].supported & @@ -8080,7 +8111,10 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy, if (copper_module_type & SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) { DP(NETIF_MSG_LINK, "Active Copper cable detected\n"); - check_limiting_mode = 1; + if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) + *edc_mode = EDC_MODE_ACTIVE_DAC; + else + check_limiting_mode = 1; } else if (copper_module_type & SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) { DP(NETIF_MSG_LINK, @@ -8555,6 +8589,7 @@ static void bnx2x_warpcore_set_limiting_mode(struct link_params *params, mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT; break; case EDC_MODE_PASSIVE_DAC: + case EDC_MODE_ACTIVE_DAC: mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC; break; default: @@ -9730,32 +9765,41 @@ static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy, MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL, an_1000_val); - /* set 100 speed advertisement */ - if ((phy->req_line_speed == SPEED_AUTO_NEG) && - (phy->speed_cap_mask & - (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL | - PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) { - an_10_100_val |= (1<<7); - /* Enable autoneg and restart autoneg for legacy speeds */ - autoneg_val |= (1<<9 | 1<<12); - - if (phy->req_duplex == DUPLEX_FULL) + /* Set 10/100 speed advertisement */ + if (phy->req_line_speed == SPEED_AUTO_NEG) { + if (phy->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) { + /* Enable autoneg and restart autoneg for legacy speeds + */ + autoneg_val |= (1<<9 | 1<<12); an_10_100_val |= (1<<8); - DP(NETIF_MSG_LINK, "Advertising 100M\n"); - } - /* set 10 speed advertisement */ - if (((phy->req_line_speed == SPEED_AUTO_NEG) && - (phy->speed_cap_mask & - (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL | - PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) && - (phy->supported & - (SUPPORTED_10baseT_Half | - SUPPORTED_10baseT_Full)))) { - an_10_100_val |= (1<<5); - autoneg_val |= (1<<9 | 1<<12); - if (phy->req_duplex == DUPLEX_FULL) + DP(NETIF_MSG_LINK, "Advertising 100M-FD\n"); + } + + if (phy->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) { + /* Enable autoneg and restart autoneg for legacy speeds + */ + autoneg_val |= (1<<9 | 1<<12); + an_10_100_val |= (1<<7); + DP(NETIF_MSG_LINK, "Advertising 100M-HD\n"); + } + + if ((phy->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && + (phy->supported & SUPPORTED_10baseT_Full)) { an_10_100_val |= (1<<6); - DP(NETIF_MSG_LINK, "Advertising 10M\n"); + autoneg_val |= (1<<9 | 1<<12); + DP(NETIF_MSG_LINK, "Advertising 10M-FD\n"); + } + + if ((phy->speed_cap_mask & + PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) && + (phy->supported & SUPPORTED_10baseT_Half)) { + an_10_100_val |= (1<<5); + autoneg_val |= (1<<9 | 1<<12); + DP(NETIF_MSG_LINK, "Advertising 10M-HD\n"); + } } /* Only 10/100 are allowed to work in FORCE mode */ @@ -13432,43 +13476,6 @@ static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy, } } } -static void bnx2x_disable_kr2(struct link_params *params, - struct link_vars *vars, - struct bnx2x_phy *phy) -{ - struct bnx2x *bp = params->bp; - int i; - static struct bnx2x_reg_set reg_set[] = { - /* Step 1 - Program the TX/RX alignment markers */ - {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002}, - {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000}, - {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7}, - {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7}, - {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002}, - {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000} - }; - DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n"); - - for (i = 0; i < ARRAY_SIZE(reg_set); i++) - bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, - reg_set[i].val); - vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE; - bnx2x_update_link_attr(params, vars->link_attr_sync); - - vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT; - /* Restart AN on leading lane */ - bnx2x_warpcore_restart_AN_KR(phy, params); -} - static void bnx2x_kr2_recovery(struct link_params *params, struct link_vars *vars, struct bnx2x_phy *phy) @@ -13546,6 +13553,8 @@ static void bnx2x_check_kr2_wa(struct link_params *params, /* Disable KR2 on both lanes */ DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page); bnx2x_disable_kr2(params, vars, phy); + /* Restart AN on leading lane */ + bnx2x_warpcore_restart_AN_KR(phy, params); return; } } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index a6704b5..82b658d 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -4703,6 +4703,14 @@ bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print) attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4); + /* Since MCP attentions can't be disabled inside the block, we need to + * read AEU registers to see whether they're currently disabled + */ + attn.sig[3] &= ((REG_RD(bp, + !port ? MISC_REG_AEU_ENABLE4_FUNC_0_OUT_0 + : MISC_REG_AEU_ENABLE4_FUNC_1_OUT_0) & + MISC_AEU_ENABLE_MCP_PRTY_BITS) | + ~MISC_AEU_ENABLE_MCP_PRTY_BITS); if (!CHIP_IS_E1x(bp)) attn.sig[4] = REG_RD(bp, @@ -5447,26 +5455,24 @@ static void bnx2x_timer(unsigned long data) if (IS_PF(bp) && !BP_NOMCP(bp)) { int mb_idx = BP_FW_MB_IDX(bp); - u32 drv_pulse; - u32 mcp_pulse; + u16 drv_pulse; + u16 mcp_pulse; ++bp->fw_drv_pulse_wr_seq; bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK; - /* TBD - add SYSTEM_TIME */ drv_pulse = bp->fw_drv_pulse_wr_seq; bnx2x_drv_pulse(bp); mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) & MCP_PULSE_SEQ_MASK); /* The delta between driver pulse and mcp response - * should be 1 (before mcp response) or 0 (after mcp response) + * should not get too big. If the MFW is more than 5 pulses + * behind, we should worry about it enough to generate an error + * log. */ - if ((drv_pulse != mcp_pulse) && - (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) { - /* someone lost a heartbeat... */ - BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n", + if (((drv_pulse - mcp_pulse) & MCP_PULSE_SEQ_MASK) > 5) + BNX2X_ERR("MFW seems hanged: drv_pulse (0x%x) != mcp_pulse (0x%x)\n", drv_pulse, mcp_pulse); - } } if (bp->state == BNX2X_STATE_OPEN) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index 2604b62..9ad012b 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -1819,7 +1819,7 @@ bnx2x_get_vf_igu_cam_info(struct bnx2x *bp) fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID); if (fid & IGU_FID_ENCODE_IS_PF) current_pf = fid & IGU_FID_PF_NUM_MASK; - else if (current_pf == BP_ABS_FUNC(bp)) + else if (current_pf == BP_FUNC(bp)) bnx2x_vf_set_igu_info(bp, sb_id, (fid & IGU_FID_VF_NUM_MASK)); DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n", @@ -3180,6 +3180,7 @@ int bnx2x_enable_sriov(struct bnx2x *bp) /* set local queue arrays */ vf->vfqs = &bp->vfdb->vfqs[qcount]; qcount += vf_sb_count(vf); + bnx2x_iov_static_resc(bp, vf); } /* prepare msix vectors in VF configuration space */ @@ -3187,6 +3188,8 @@ int bnx2x_enable_sriov(struct bnx2x *bp) bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf_idx)); REG_WR(bp, PCICFG_OFFSET + GRC_CONFIG_REG_VF_MSIX_CONTROL, num_vf_queues); + DP(BNX2X_MSG_IOV, "set msix vec num in VF %d cfg space to %d\n", + vf_idx, num_vf_queues); } bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c index 6cfb887..da16953 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c @@ -1765,28 +1765,28 @@ static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, switch (mbx->first_tlv.tl.type) { case CHANNEL_TLV_ACQUIRE: bnx2x_vf_mbx_acquire(bp, vf, mbx); - break; + return; case CHANNEL_TLV_INIT: bnx2x_vf_mbx_init_vf(bp, vf, mbx); - break; + return; case CHANNEL_TLV_SETUP_Q: bnx2x_vf_mbx_setup_q(bp, vf, mbx); - break; + return; case CHANNEL_TLV_SET_Q_FILTERS: bnx2x_vf_mbx_set_q_filters(bp, vf, mbx); - break; + return; case CHANNEL_TLV_TEARDOWN_Q: bnx2x_vf_mbx_teardown_q(bp, vf, mbx); - break; + return; case CHANNEL_TLV_CLOSE: bnx2x_vf_mbx_close_vf(bp, vf, mbx); - break; + return; case CHANNEL_TLV_RELEASE: bnx2x_vf_mbx_release_vf(bp, vf, mbx); - break; + return; case CHANNEL_TLV_UPDATE_RSS: bnx2x_vf_mbx_update_rss(bp, vf, mbx); - break; + return; } } else { @@ -1802,26 +1802,24 @@ static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, for (i = 0; i < 20; i++) DP_CONT(BNX2X_MSG_IOV, "%x ", mbx->msg->req.tlv_buf_size.tlv_buffer[i]); + } - /* test whether we can respond to the VF (do we have an address - * for it?) - */ - if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) { - /* mbx_resp uses the op_rc of the VF */ - vf->op_rc = PFVF_STATUS_NOT_SUPPORTED; + /* can we respond to VF (do we have an address for it?) */ + if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) { + /* mbx_resp uses the op_rc of the VF */ + vf->op_rc = PFVF_STATUS_NOT_SUPPORTED; - /* notify the VF that we do not support this request */ - bnx2x_vf_mbx_resp(bp, vf); - } else { - /* can't send a response since this VF is unknown to us - * just ack the FW to release the mailbox and unlock - * the channel. - */ - storm_memset_vf_mbx_ack(bp, vf->abs_vfid); - mmiowb(); - bnx2x_unlock_vf_pf_channel(bp, vf, - mbx->first_tlv.tl.type); - } + /* notify the VF that we do not support this request */ + bnx2x_vf_mbx_resp(bp, vf); + } else { + /* can't send a response since this VF is unknown to us + * just ack the FW to release the mailbox and unlock + * the channel. + */ + storm_memset_vf_mbx_ack(bp, vf->abs_vfid); + /* Firmware ack should be written before unlocking channel */ + mmiowb(); + bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); } } diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index ace5050..db02023 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -88,6 +88,7 @@ static inline char *nic_name(struct pci_dev *pdev) #define BE_MIN_MTU 256 #define BE_NUM_VLANS_SUPPORTED 64 +#define BE_UMC_NUM_VLANS_SUPPORTED 15 #define BE_MAX_EQD 96u #define BE_MAX_TX_FRAG_COUNT 30 @@ -333,6 +334,7 @@ enum vf_state { #define BE_FLAGS_LINK_STATUS_INIT 1 #define BE_FLAGS_WORKER_SCHEDULED (1 << 3) +#define BE_FLAGS_VLAN_PROMISC (1 << 4) #define BE_FLAGS_NAPI_ENABLED (1 << 9) #define BE_UC_PMAC_COUNT 30 #define BE_VF_UC_PMAC_COUNT 2 diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 1ab5dab..bd0e0c0 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -180,6 +180,9 @@ static int be_mcc_compl_process(struct be_adapter *adapter, dev_err(&adapter->pdev->dev, "opcode %d-%d failed:status %d-%d\n", opcode, subsystem, compl_status, extd_status); + + if (extd_status == MCC_ADDL_STS_INSUFFICIENT_RESOURCES) + return extd_status; } } done: @@ -1812,6 +1815,12 @@ int be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value) } else if (flags & IFF_ALLMULTI) { req->if_flags_mask = req->if_flags = cpu_to_le32(BE_IF_FLAGS_MCAST_PROMISCUOUS); + } else if (flags & BE_FLAGS_VLAN_PROMISC) { + req->if_flags_mask = cpu_to_le32(BE_IF_FLAGS_VLAN_PROMISCUOUS); + + if (value == ON) + req->if_flags = + cpu_to_le32(BE_IF_FLAGS_VLAN_PROMISCUOUS); } else { struct netdev_hw_addr *ha; int i = 0; diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h index d026226..108ca8a 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.h +++ b/drivers/net/ethernet/emulex/benet/be_cmds.h @@ -60,6 +60,8 @@ enum { MCC_STATUS_NOT_SUPPORTED = 66 }; +#define MCC_ADDL_STS_INSUFFICIENT_RESOURCES 0x16 + #define CQE_STATUS_COMPL_MASK 0xFFFF #define CQE_STATUS_COMPL_SHIFT 0 /* bits 0 - 15 */ #define CQE_STATUS_EXTD_MASK 0xFFFF @@ -1791,7 +1793,7 @@ struct be_nic_res_desc { u8 acpi_params; u8 wol_param; u16 rsvd7; - u32 rsvd8[3]; + u32 rsvd8[7]; } __packed; struct be_cmd_req_get_func_config { diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 100b528..2c38cc4 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -855,11 +855,11 @@ static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, unsigned int eth_hdr_len; struct iphdr *ip; - /* Lancer ASIC has a bug wherein packets that are 32 bytes or less + /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or less * may cause a transmit stall on that port. So the work-around is to - * pad such packets to a 36-byte length. + * pad short packets (<= 32 bytes) to a 36-byte length. */ - if (unlikely(lancer_chip(adapter) && skb->len <= 32)) { + if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) { if (skb_padto(skb, 36)) goto tx_drop; skb->len = 36; @@ -1013,18 +1013,40 @@ static int be_vid_config(struct be_adapter *adapter) status = be_cmd_vlan_config(adapter, adapter->if_handle, vids, num, 1, 0); - /* Set to VLAN promisc mode as setting VLAN filter failed */ if (status) { - dev_info(&adapter->pdev->dev, "Exhausted VLAN HW filters.\n"); - dev_info(&adapter->pdev->dev, "Disabling HW VLAN filtering.\n"); - goto set_vlan_promisc; + /* Set to VLAN promisc mode as setting VLAN filter failed */ + if (status == MCC_ADDL_STS_INSUFFICIENT_RESOURCES) + goto set_vlan_promisc; + dev_err(&adapter->pdev->dev, + "Setting HW VLAN filtering failed.\n"); + } else { + if (adapter->flags & BE_FLAGS_VLAN_PROMISC) { + /* hw VLAN filtering re-enabled. */ + status = be_cmd_rx_filter(adapter, + BE_FLAGS_VLAN_PROMISC, OFF); + if (!status) { + dev_info(&adapter->pdev->dev, + "Disabling VLAN Promiscuous mode.\n"); + adapter->flags &= ~BE_FLAGS_VLAN_PROMISC; + dev_info(&adapter->pdev->dev, + "Re-Enabling HW VLAN filtering\n"); + } + } } return status; set_vlan_promisc: - status = be_cmd_vlan_config(adapter, adapter->if_handle, - NULL, 0, 1, 1); + dev_warn(&adapter->pdev->dev, "Exhausted VLAN HW filters.\n"); + + status = be_cmd_rx_filter(adapter, BE_FLAGS_VLAN_PROMISC, ON); + if (!status) { + dev_info(&adapter->pdev->dev, "Enable VLAN Promiscuous mode\n"); + dev_info(&adapter->pdev->dev, "Disabling HW VLAN filtering\n"); + adapter->flags |= BE_FLAGS_VLAN_PROMISC; + } else + dev_err(&adapter->pdev->dev, + "Failed to enable VLAN Promiscuous mode.\n"); return status; } @@ -1033,10 +1055,6 @@ static int be_vlan_add_vid(struct net_device *netdev, __be16 proto, u16 vid) struct be_adapter *adapter = netdev_priv(netdev); int status = 0; - if (!lancer_chip(adapter) && !be_physfn(adapter)) { - status = -EINVAL; - goto ret; - } /* Packets with VID 0 are always received by Lancer by default */ if (lancer_chip(adapter) && vid == 0) @@ -1059,11 +1077,6 @@ static int be_vlan_rem_vid(struct net_device *netdev, __be16 proto, u16 vid) struct be_adapter *adapter = netdev_priv(netdev); int status = 0; - if (!lancer_chip(adapter) && !be_physfn(adapter)) { - status = -EINVAL; - goto ret; - } - /* Packets with VID 0 are always received by Lancer by default */ if (lancer_chip(adapter) && vid == 0) goto ret; @@ -1188,8 +1201,8 @@ static int be_get_vf_config(struct net_device *netdev, int vf, vi->vf = vf; vi->tx_rate = vf_cfg->tx_rate; - vi->vlan = vf_cfg->vlan_tag; - vi->qos = 0; + vi->vlan = vf_cfg->vlan_tag & VLAN_VID_MASK; + vi->qos = vf_cfg->vlan_tag >> VLAN_PRIO_SHIFT; memcpy(&vi->mac, vf_cfg->mac_addr, ETH_ALEN); return 0; @@ -1199,28 +1212,29 @@ static int be_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos) { struct be_adapter *adapter = netdev_priv(netdev); + struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; int status = 0; if (!sriov_enabled(adapter)) return -EPERM; - if (vf >= adapter->num_vfs || vlan > 4095) + if (vf >= adapter->num_vfs || vlan > 4095 || qos > 7) return -EINVAL; - if (vlan) { - if (adapter->vf_cfg[vf].vlan_tag != vlan) { + if (vlan || qos) { + vlan |= qos << VLAN_PRIO_SHIFT; + if (vf_cfg->vlan_tag != vlan) { /* If this is new value, program it. Else skip. */ - adapter->vf_cfg[vf].vlan_tag = vlan; - - status = be_cmd_set_hsw_config(adapter, vlan, - vf + 1, adapter->vf_cfg[vf].if_handle, 0); + vf_cfg->vlan_tag = vlan; + status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, + vf_cfg->if_handle, 0); } } else { /* Reset Transparent Vlan Tagging. */ - adapter->vf_cfg[vf].vlan_tag = 0; - vlan = adapter->vf_cfg[vf].def_vid; + vf_cfg->vlan_tag = 0; + vlan = vf_cfg->def_vid; status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, - adapter->vf_cfg[vf].if_handle, 0); + vf_cfg->if_handle, 0); } @@ -2963,6 +2977,8 @@ static void BEx_get_resources(struct be_adapter *adapter, if (adapter->function_mode & FLEX10_MODE) res->max_vlans = BE_NUM_VLANS_SUPPORTED/8; + else if (adapter->function_mode & UMC_ENABLED) + res->max_vlans = BE_UMC_NUM_VLANS_SUPPORTED; else res->max_vlans = BE_NUM_VLANS_SUPPORTED; res->max_mcast_mac = BE_MAX_MC; diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c b/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c index 005c2e0..f8b9286 100644 --- a/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c +++ b/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c @@ -90,7 +90,7 @@ static int do_pd_setup(struct fs_enet_private *fep) struct fs_platform_info *fpi = fep->fpi; int ret = -EINVAL; - fep->interrupt = of_irq_to_resource(ofdev->dev.of_node, 0, NULL); + fep->interrupt = irq_of_parse_and_map(ofdev->dev.of_node, 0); if (fep->interrupt == NO_IRQ) goto out; diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c index 8aac231..a9a00f3 100644 --- a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c +++ b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c @@ -100,7 +100,7 @@ static int do_pd_setup(struct fs_enet_private *fep) { struct platform_device *ofdev = to_platform_device(fep->dev); - fep->interrupt = of_irq_to_resource(ofdev->dev.of_node, 0, NULL); + fep->interrupt = irq_of_parse_and_map(ofdev->dev.of_node, 0); if (fep->interrupt == NO_IRQ) return -EINVAL; diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-scc.c b/drivers/net/ethernet/freescale/fs_enet/mac-scc.c index e151784..d37cd4e 100644 --- a/drivers/net/ethernet/freescale/fs_enet/mac-scc.c +++ b/drivers/net/ethernet/freescale/fs_enet/mac-scc.c @@ -100,7 +100,7 @@ static int do_pd_setup(struct fs_enet_private *fep) { struct platform_device *ofdev = to_platform_device(fep->dev); - fep->interrupt = of_irq_to_resource(ofdev->dev.of_node, 0, NULL); + fep->interrupt = irq_of_parse_and_map(ofdev->dev.of_node, 0); if (fep->interrupt == NO_IRQ) return -EINVAL; diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c index 098f133..e006a09 100644 --- a/drivers/net/ethernet/freescale/gianfar_ptp.c +++ b/drivers/net/ethernet/freescale/gianfar_ptp.c @@ -452,7 +452,9 @@ static int gianfar_ptp_probe(struct platform_device *dev) err = -ENODEV; etsects->caps = ptp_gianfar_caps; - etsects->cksel = DEFAULT_CKSEL; + + if (get_of_u32(node, "fsl,cksel", &etsects->cksel)) + etsects->cksel = DEFAULT_CKSEL; if (get_of_u32(node, "fsl,tclk-period", &etsects->tclk_period) || get_of_u32(node, "fsl,tmr-prsc", &etsects->tmr_prsc) || diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c index 0c524fa..cfef7fc 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c +++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c @@ -701,8 +701,7 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw, details = I40E_ADMINQ_DETAILS(hw->aq.asq, hw->aq.asq.next_to_use); if (cmd_details) { - memcpy(details, cmd_details, - sizeof(struct i40e_asq_cmd_details)); + *details = *cmd_details; /* If the cmd_details are defined copy the cookie. The * cpu_to_le32 is not needed here because the data is ignored @@ -760,7 +759,7 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw, desc_on_ring = I40E_ADMINQ_DESC(hw->aq.asq, hw->aq.asq.next_to_use); /* if the desc is available copy the temp desc to the right place */ - memcpy(desc_on_ring, desc, sizeof(struct i40e_aq_desc)); + *desc_on_ring = *desc; /* if buff is not NULL assume indirect command */ if (buff != NULL) { @@ -807,7 +806,7 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw, /* if ready, copy the desc back to temp */ if (i40e_asq_done(hw)) { - memcpy(desc, desc_on_ring, sizeof(struct i40e_aq_desc)); + *desc = *desc_on_ring; if (buff != NULL) memcpy(buff, dma_buff->va, buff_size); retval = le16_to_cpu(desc->retval); diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c index c21df7b..1e4ea13 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_common.c +++ b/drivers/net/ethernet/intel/i40e/i40e_common.c @@ -507,7 +507,7 @@ i40e_status i40e_aq_get_link_info(struct i40e_hw *hw, /* save link status information */ if (link) - memcpy(link, hw_link_info, sizeof(struct i40e_link_status)); + *link = *hw_link_info; /* flag cleared so helper functions don't call AQ again */ hw->phy.get_link_info = false; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 601d482..221aa47 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -101,10 +101,10 @@ int i40e_allocate_dma_mem_d(struct i40e_hw *hw, struct i40e_dma_mem *mem, mem->size = ALIGN(size, alignment); mem->va = dma_zalloc_coherent(&pf->pdev->dev, mem->size, &mem->pa, GFP_KERNEL); - if (mem->va) - return 0; + if (!mem->va) + return -ENOMEM; - return -ENOMEM; + return 0; } /** @@ -136,10 +136,10 @@ int i40e_allocate_virt_mem_d(struct i40e_hw *hw, struct i40e_virt_mem *mem, mem->size = size; mem->va = kzalloc(size, GFP_KERNEL); - if (mem->va) - return 0; + if (!mem->va) + return -ENOMEM; - return -ENOMEM; + return 0; } /** @@ -174,8 +174,7 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile, u16 needed, u16 id) { int ret = -ENOMEM; - int i = 0; - int j = 0; + int i, j; if (!pile || needed == 0 || id >= I40E_PILE_VALID_BIT) { dev_info(&pf->pdev->dev, @@ -186,7 +185,7 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile, /* start the linear search with an imperfect hint */ i = pile->search_hint; - while (i < pile->num_entries && ret < 0) { + while (i < pile->num_entries) { /* skip already allocated entries */ if (pile->list[i] & I40E_PILE_VALID_BIT) { i++; @@ -205,6 +204,7 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile, pile->list[i+j] = id | I40E_PILE_VALID_BIT; ret = i; pile->search_hint = i + j; + break; } else { /* not enough, so skip over it and continue looking */ i += j; @@ -1388,7 +1388,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) bool add_happened = false; int filter_list_len = 0; u32 changed_flags = 0; - i40e_status ret = 0; + i40e_status aq_ret = 0; struct i40e_pf *pf; int num_add = 0; int num_del = 0; @@ -1449,28 +1449,28 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) /* flush a full buffer */ if (num_del == filter_list_len) { - ret = i40e_aq_remove_macvlan(&pf->hw, + aq_ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid, del_list, num_del, NULL); num_del = 0; memset(del_list, 0, sizeof(*del_list)); - if (ret) + if (aq_ret) dev_info(&pf->pdev->dev, "ignoring delete macvlan error, err %d, aq_err %d while flushing a full buffer\n", - ret, + aq_ret, pf->hw.aq.asq_last_status); } } if (num_del) { - ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid, + aq_ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid, del_list, num_del, NULL); num_del = 0; - if (ret) + if (aq_ret) dev_info(&pf->pdev->dev, "ignoring delete macvlan error, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); + aq_ret, pf->hw.aq.asq_last_status); } kfree(del_list); @@ -1515,32 +1515,30 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) /* flush a full buffer */ if (num_add == filter_list_len) { - ret = i40e_aq_add_macvlan(&pf->hw, - vsi->seid, - add_list, - num_add, - NULL); + aq_ret = i40e_aq_add_macvlan(&pf->hw, vsi->seid, + add_list, num_add, + NULL); num_add = 0; - if (ret) + if (aq_ret) break; memset(add_list, 0, sizeof(*add_list)); } } if (num_add) { - ret = i40e_aq_add_macvlan(&pf->hw, vsi->seid, - add_list, num_add, NULL); + aq_ret = i40e_aq_add_macvlan(&pf->hw, vsi->seid, + add_list, num_add, NULL); num_add = 0; } kfree(add_list); add_list = NULL; - if (add_happened && (!ret)) { + if (add_happened && (!aq_ret)) { /* do nothing */; - } else if (add_happened && (ret)) { + } else if (add_happened && (aq_ret)) { dev_info(&pf->pdev->dev, "add filter failed, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); + aq_ret, pf->hw.aq.asq_last_status); if ((pf->hw.aq.asq_last_status == I40E_AQ_RC_ENOSPC) && !test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state)) { @@ -1556,28 +1554,27 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi) if (changed_flags & IFF_ALLMULTI) { bool cur_multipromisc; cur_multipromisc = !!(vsi->current_netdev_flags & IFF_ALLMULTI); - ret = i40e_aq_set_vsi_multicast_promiscuous(&vsi->back->hw, - vsi->seid, - cur_multipromisc, - NULL); - if (ret) + aq_ret = i40e_aq_set_vsi_multicast_promiscuous(&vsi->back->hw, + vsi->seid, + cur_multipromisc, + NULL); + if (aq_ret) dev_info(&pf->pdev->dev, "set multi promisc failed, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); + aq_ret, pf->hw.aq.asq_last_status); } if ((changed_flags & IFF_PROMISC) || promisc_forced_on) { bool cur_promisc; cur_promisc = (!!(vsi->current_netdev_flags & IFF_PROMISC) || test_bit(__I40E_FILTER_OVERFLOW_PROMISC, &vsi->state)); - ret = i40e_aq_set_vsi_unicast_promiscuous(&vsi->back->hw, - vsi->seid, - cur_promisc, - NULL); - if (ret) + aq_ret = i40e_aq_set_vsi_unicast_promiscuous(&vsi->back->hw, + vsi->seid, + cur_promisc, NULL); + if (aq_ret) dev_info(&pf->pdev->dev, "set uni promisc failed, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); + aq_ret, pf->hw.aq.asq_last_status); } clear_bit(__I40E_CONFIG_BUSY, &vsi->state); @@ -1790,6 +1787,8 @@ int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid) * i40e_vsi_kill_vlan - Remove vsi membership for given vlan * @vsi: the vsi being configured * @vid: vlan id to be removed (0 = untagged only , -1 = any) + * + * Return: 0 on success or negative otherwise **/ int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid) { @@ -1863,37 +1862,39 @@ int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid) * i40e_vlan_rx_add_vid - Add a vlan id filter to HW offload * @netdev: network interface to be adjusted * @vid: vlan id to be added + * + * net_device_ops implementation for adding vlan ids **/ static int i40e_vlan_rx_add_vid(struct net_device *netdev, __always_unused __be16 proto, u16 vid) { struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; - int ret; + int ret = 0; if (vid > 4095) - return 0; + return -EINVAL; + + netdev_info(netdev, "adding %pM vid=%d\n", netdev->dev_addr, vid); - netdev_info(vsi->netdev, "adding %pM vid=%d\n", - netdev->dev_addr, vid); /* If the network stack called us with vid = 0, we should * indicate to i40e_vsi_add_vlan() that we want to receive * any traffic (i.e. with any vlan tag, or untagged) */ ret = i40e_vsi_add_vlan(vsi, vid ? vid : I40E_VLAN_ANY); - if (!ret) { - if (vid < VLAN_N_VID) - set_bit(vid, vsi->active_vlans); - } + if (!ret && (vid < VLAN_N_VID)) + set_bit(vid, vsi->active_vlans); - return 0; + return ret; } /** * i40e_vlan_rx_kill_vid - Remove a vlan id filter from HW offload * @netdev: network interface to be adjusted * @vid: vlan id to be removed + * + * net_device_ops implementation for adding vlan ids **/ static int i40e_vlan_rx_kill_vid(struct net_device *netdev, __always_unused __be16 proto, u16 vid) @@ -1901,15 +1902,16 @@ static int i40e_vlan_rx_kill_vid(struct net_device *netdev, struct i40e_netdev_priv *np = netdev_priv(netdev); struct i40e_vsi *vsi = np->vsi; - netdev_info(vsi->netdev, "removing %pM vid=%d\n", - netdev->dev_addr, vid); + netdev_info(netdev, "removing %pM vid=%d\n", netdev->dev_addr, vid); + /* return code is ignored as there is nothing a user * can do about failure to remove and a log message was - * already printed from another function + * already printed from the other function */ i40e_vsi_kill_vlan(vsi, vid); clear_bit(vid, vsi->active_vlans); + return 0; } @@ -1936,10 +1938,10 @@ static void i40e_restore_vlan(struct i40e_vsi *vsi) * @vsi: the vsi being adjusted * @vid: the vlan id to set as a PVID **/ -i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid) +int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid) { struct i40e_vsi_context ctxt; - i40e_status ret; + i40e_status aq_ret; vsi->info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID); vsi->info.pvid = cpu_to_le16(vid); @@ -1948,14 +1950,15 @@ i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid) ctxt.seid = vsi->seid; memcpy(&ctxt.info, &vsi->info, sizeof(vsi->info)); - ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL); - if (ret) { + aq_ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL); + if (aq_ret) { dev_info(&vsi->back->pdev->dev, "%s: update vsi failed, aq_err=%d\n", __func__, vsi->back->hw.aq.asq_last_status); + return -ENOENT; } - return ret; + return 0; } /** @@ -3326,7 +3329,8 @@ static void i40e_pf_unquiesce_all_vsi(struct i40e_pf *pf) **/ static u8 i40e_dcb_get_num_tc(struct i40e_dcbx_config *dcbcfg) { - int num_tc = 0, i; + u8 num_tc = 0; + int i; /* Scan the ETS Config Priority Table to find * traffic class enabled for a given priority @@ -3341,9 +3345,7 @@ static u8 i40e_dcb_get_num_tc(struct i40e_dcbx_config *dcbcfg) /* Traffic class index starts from zero so * increment to return the actual count */ - num_tc++; - - return num_tc; + return num_tc + 1; } /** @@ -3451,28 +3453,27 @@ static int i40e_vsi_get_bw_info(struct i40e_vsi *vsi) struct i40e_aqc_query_vsi_bw_config_resp bw_config = {0}; struct i40e_pf *pf = vsi->back; struct i40e_hw *hw = &pf->hw; + i40e_status aq_ret; u32 tc_bw_max; - int ret; int i; /* Get the VSI level BW configuration */ - ret = i40e_aq_query_vsi_bw_config(hw, vsi->seid, &bw_config, NULL); - if (ret) { + aq_ret = i40e_aq_query_vsi_bw_config(hw, vsi->seid, &bw_config, NULL); + if (aq_ret) { dev_info(&pf->pdev->dev, "couldn't get pf vsi bw config, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); - return ret; + aq_ret, pf->hw.aq.asq_last_status); + return -EINVAL; } /* Get the VSI level BW configuration per TC */ - ret = i40e_aq_query_vsi_ets_sla_config(hw, vsi->seid, - &bw_ets_config, - NULL); - if (ret) { + aq_ret = i40e_aq_query_vsi_ets_sla_config(hw, vsi->seid, &bw_ets_config, + NULL); + if (aq_ret) { dev_info(&pf->pdev->dev, "couldn't get pf vsi ets bw config, err %d, aq_err %d\n", - ret, pf->hw.aq.asq_last_status); - return ret; + aq_ret, pf->hw.aq.asq_last_status); + return -EINVAL; } if (bw_config.tc_valid_bits != bw_ets_config.tc_valid_bits) { @@ -3494,7 +3495,8 @@ static int i40e_vsi_get_bw_info(struct i40e_vsi *vsi) /* 3 bits out of 4 for each TC */ vsi->bw_ets_max_quanta[i] = (u8)((tc_bw_max >> (i*4)) & 0x7); } - return ret; + + return 0; } /** @@ -3505,30 +3507,30 @@ static int i40e_vsi_get_bw_info(struct i40e_vsi *vsi) * * Returns 0 on success, negative value on failure **/ -static int i40e_vsi_configure_bw_alloc(struct i40e_vsi *vsi, - u8 enabled_tc, +static int i40e_vsi_configure_bw_alloc(struct i40e_vsi *vsi, u8 enabled_tc, u8 *bw_share) { struct i40e_aqc_configure_vsi_tc_bw_data bw_data; - int i, ret = 0; + i40e_status aq_ret; + int i; bw_data.tc_valid_bits = enabled_tc; for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) bw_data.tc_bw_credits[i] = bw_share[i]; - ret = i40e_aq_config_vsi_tc_bw(&vsi->back->hw, vsi->seid, - &bw_data, NULL); - if (ret) { + aq_ret = i40e_aq_config_vsi_tc_bw(&vsi->back->hw, vsi->seid, &bw_data, + NULL); + if (aq_ret) { dev_info(&vsi->back->pdev->dev, "%s: AQ command Config VSI BW allocation per TC failed = %d\n", __func__, vsi->back->hw.aq.asq_last_status); - return ret; + return -EINVAL; } for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) vsi->info.qs_handle[i] = bw_data.qs_handles[i]; - return ret; + return 0; } /** diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c index 48cbc83..86d5142 100644 --- a/drivers/net/ethernet/intel/igb/igb_ethtool.c +++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c @@ -1607,6 +1607,9 @@ static int igb_integrated_phy_loopback(struct igb_adapter *adapter) igb_write_phy_reg(hw, I347AT4_PAGE_SELECT, 0); igb_write_phy_reg(hw, PHY_CONTROL, 0x4140); } + } else if (hw->phy.type == e1000_phy_82580) { + /* enable MII loopback */ + igb_write_phy_reg(hw, I82580_PHY_LBK_CTRL, 0x8041); } /* add small delay to avoid loopback test failure */ diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c index 1a9c4f6..ecc7f7b 100644 --- a/drivers/net/ethernet/marvell/skge.c +++ b/drivers/net/ethernet/marvell/skge.c @@ -3086,13 +3086,16 @@ static struct sk_buff *skge_rx_get(struct net_device *dev, PCI_DMA_FROMDEVICE); skge_rx_reuse(e, skge->rx_buf_size); } else { + struct skge_element ee; struct sk_buff *nskb; nskb = netdev_alloc_skb_ip_align(dev, skge->rx_buf_size); if (!nskb) goto resubmit; - skb = e->skb; + ee = *e; + + skb = ee.skb; prefetch(skb->data); if (skge_rx_setup(skge, e, nskb, skge->rx_buf_size) < 0) { @@ -3101,8 +3104,8 @@ static struct sk_buff *skge_rx_get(struct net_device *dev, } pci_unmap_single(skge->hw->pdev, - dma_unmap_addr(e, mapaddr), - dma_unmap_len(e, maplen), + dma_unmap_addr(&ee, mapaddr), + dma_unmap_len(&ee, maplen), PCI_DMA_FROMDEVICE); } diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index 83c2091..bd1a2d2 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -543,7 +543,7 @@ static const struct of_device_id moxart_mac_match[] = { { } }; -struct __initdata platform_driver moxart_mac_driver = { +static struct platform_driver moxart_mac_driver = { .probe = moxart_mac_probe, .remove = moxart_remove, .driver = { diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c index 4d7ad00..ebe4c86 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c @@ -1794,3 +1794,11 @@ const struct ethtool_ops qlcnic_sriov_vf_ethtool_ops = { .set_msglevel = qlcnic_set_msglevel, .get_msglevel = qlcnic_get_msglevel, }; + +const struct ethtool_ops qlcnic_ethtool_failed_ops = { + .get_settings = qlcnic_get_settings, + .get_drvinfo = qlcnic_get_drvinfo, + .set_msglevel = qlcnic_set_msglevel, + .get_msglevel = qlcnic_get_msglevel, + .set_dump = qlcnic_set_dump, +}; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index c4c5023..21d00a0 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -431,6 +431,9 @@ static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter) while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state)) usleep_range(10000, 11000); + if (!adapter->fw_work.work.func) + return; + cancel_delayed_work_sync(&adapter->fw_work); } @@ -2275,8 +2278,9 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) adapter->portnum = adapter->ahw->pci_func; err = qlcnic_start_firmware(adapter); if (err) { - dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"); - goto err_out_free_hw; + dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n" + "\t\tIf reboot doesn't help, try flashing the card\n"); + goto err_out_maintenance_mode; } qlcnic_get_multiq_capability(adapter); @@ -2408,6 +2412,22 @@ err_out_disable_pdev: pci_set_drvdata(pdev, NULL); pci_disable_device(pdev); return err; + +err_out_maintenance_mode: + netdev->netdev_ops = &qlcnic_netdev_failed_ops; + SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops); + err = register_netdev(netdev); + + if (err) { + dev_err(&pdev->dev, "Failed to register net device\n"); + qlcnic_clr_all_drv_state(adapter, 0); + goto err_out_free_hw; + } + + pci_set_drvdata(pdev, adapter); + qlcnic_add_sysfs(adapter); + + return 0; } static void qlcnic_remove(struct pci_dev *pdev) @@ -2518,8 +2538,16 @@ static int qlcnic_resume(struct pci_dev *pdev) static int qlcnic_open(struct net_device *netdev) { struct qlcnic_adapter *adapter = netdev_priv(netdev); + u32 state; int err; + state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) { + netdev_err(netdev, "%s: Device is in FAILED state\n", __func__); + + return -EIO; + } + netif_carrier_off(netdev); err = qlcnic_attach(adapter); @@ -3228,6 +3256,13 @@ void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key) return; state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) { + netdev_err(adapter->netdev, "%s: Device is in FAILED state\n", + __func__); + qlcnic_api_unlock(adapter); + + return; + } if (state == QLCNIC_DEV_READY) { QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE, diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c index 330d9a8..686f460 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c @@ -397,6 +397,7 @@ static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter) { struct net_device *netdev = adapter->netdev; + rtnl_lock(); if (netif_running(netdev)) __qlcnic_down(adapter, netdev); @@ -407,12 +408,15 @@ static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter) /* After disabling SRIOV re-init the driver in default mode configure opmode based on op_mode of function */ - if (qlcnic_83xx_configure_opmode(adapter)) + if (qlcnic_83xx_configure_opmode(adapter)) { + rtnl_unlock(); return -EIO; + } if (netif_running(netdev)) __qlcnic_up(adapter, netdev); + rtnl_unlock(); return 0; } @@ -533,6 +537,7 @@ static int qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, int num_vfs) return -EIO; } + rtnl_lock(); if (netif_running(netdev)) __qlcnic_down(adapter, netdev); @@ -555,6 +560,7 @@ static int qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, int num_vfs) __qlcnic_up(adapter, netdev); error: + rtnl_unlock(); return err; } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c index c6165d0..019f437 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c @@ -1272,6 +1272,7 @@ void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter) void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) { struct device *dev = &adapter->pdev->dev; + u32 state; if (device_create_bin_file(dev, &bin_attr_port_stats)) dev_info(dev, "failed to create port stats sysfs entry"); @@ -1285,8 +1286,13 @@ void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) if (device_create_bin_file(dev, &bin_attr_mem)) dev_info(dev, "failed to create mem sysfs entry\n"); + state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) + return; + if (device_create_bin_file(dev, &bin_attr_pci_config)) dev_info(dev, "failed to create pci config sysfs entry"); + if (device_create_file(dev, &dev_attr_beacon)) dev_info(dev, "failed to create beacon sysfs entry"); @@ -1307,6 +1313,7 @@ void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter) void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) { struct device *dev = &adapter->pdev->dev; + u32 state; device_remove_bin_file(dev, &bin_attr_port_stats); @@ -1315,6 +1322,11 @@ void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter) device_remove_file(dev, &dev_attr_diag_mode); device_remove_bin_file(dev, &bin_attr_crb); device_remove_bin_file(dev, &bin_attr_mem); + + state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE); + if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) + return; + device_remove_bin_file(dev, &bin_attr_pci_config); device_remove_file(dev, &dev_attr_beacon); if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED)) diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c b/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c index 10093f0..6bc5db7 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c @@ -740,8 +740,8 @@ int ql_core_dump(struct ql_adapter *qdev, struct ql_mpi_coredump *mpi_coredump) int i; if (!mpi_coredump) { - netif_err(qdev, drv, qdev->ndev, "No memory available\n"); - return -ENOMEM; + netif_err(qdev, drv, qdev->ndev, "No memory allocated\n"); + return -EINVAL; } /* Try to get the spinlock, but dont worry if diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c b/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c index ff2bf8a..7ad1460 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c @@ -1274,7 +1274,7 @@ void ql_mpi_reset_work(struct work_struct *work) return; } - if (!ql_core_dump(qdev, qdev->mpi_coredump)) { + if (qdev->mpi_coredump && !ql_core_dump(qdev, qdev->mpi_coredump)) { netif_err(qdev, drv, qdev->ndev, "Core is dumped!\n"); qdev->core_is_dumped = 1; queue_delayed_work(qdev->workqueue, diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c index 128d7cd..c082562 100644 --- a/drivers/net/ethernet/sfc/mcdi.c +++ b/drivers/net/ethernet/sfc/mcdi.c @@ -27,10 +27,10 @@ /* A reboot/assertion causes the MCDI status word to be set after the * command word is set or a REBOOT event is sent. If we notice a reboot - * via these mechanisms then wait 20ms for the status word to be set. + * via these mechanisms then wait 250ms for the status word to be set. */ #define MCDI_STATUS_DELAY_US 100 -#define MCDI_STATUS_DELAY_COUNT 200 +#define MCDI_STATUS_DELAY_COUNT 2500 #define MCDI_STATUS_SLEEP_MS \ (MCDI_STATUS_DELAY_US * MCDI_STATUS_DELAY_COUNT / 1000) @@ -800,9 +800,6 @@ static void efx_mcdi_ev_death(struct efx_nic *efx, int rc) } else { int count; - /* Nobody was waiting for an MCDI request, so trigger a reset */ - efx_schedule_reset(efx, RESET_TYPE_MC_FAILURE); - /* Consume the status word since efx_mcdi_rpc_finish() won't */ for (count = 0; count < MCDI_STATUS_DELAY_COUNT; ++count) { if (efx_mcdi_poll_reboot(efx)) @@ -810,6 +807,9 @@ static void efx_mcdi_ev_death(struct efx_nic *efx, int rc) udelay(MCDI_STATUS_DELAY_US); } mcdi->new_epoch = true; + + /* Nobody was waiting for an MCDI request, so trigger a reset */ + efx_schedule_reset(efx, RESET_TYPE_MC_FAILURE); } spin_unlock(&mcdi->iface_lock); diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index c8f088a..bdf697b 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -32,7 +32,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #define DRV_NAME "via-rhine" -#define DRV_VERSION "1.5.0" +#define DRV_VERSION "1.5.1" #define DRV_RELDATE "2010-10-09" #include <linux/types.h> @@ -1704,7 +1704,12 @@ static netdev_tx_t rhine_start_tx(struct sk_buff *skb, cpu_to_le32(TXDESC | (skb->len >= ETH_ZLEN ? skb->len : ETH_ZLEN)); if (unlikely(vlan_tx_tag_present(skb))) { - rp->tx_ring[entry].tx_status = cpu_to_le32((vlan_tx_tag_get(skb)) << 16); + u16 vid_pcp = vlan_tx_tag_get(skb); + + /* drop CFI/DEI bit, register needs VID and PCP */ + vid_pcp = (vid_pcp & VLAN_VID_MASK) | + ((vid_pcp & VLAN_PRIO_MASK) >> 1); + rp->tx_ring[entry].tx_status = cpu_to_le32((vid_pcp) << 16); /* request tagging */ rp->tx_ring[entry].desc_length |= cpu_to_le32(0x020000); } diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index 22478d5..1f23641 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -298,6 +298,12 @@ static int temac_dma_bd_init(struct net_device *ndev) lp->rx_bd_p + (sizeof(*lp->rx_bd_v) * (RX_BD_NUM - 1))); lp->dma_out(lp, TX_CURDESC_PTR, lp->tx_bd_p); + /* Init descriptor indexes */ + lp->tx_bd_ci = 0; + lp->tx_bd_next = 0; + lp->tx_bd_tail = 0; + lp->rx_bd_ci = 0; + return 0; out: diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c index a34d6bf..cc70ecf 100644 --- a/drivers/net/slip/slip.c +++ b/drivers/net/slip/slip.c @@ -429,11 +429,13 @@ static void slip_write_wakeup(struct tty_struct *tty) if (!sl || sl->magic != SLIP_MAGIC || !netif_running(sl->dev)) return; + spin_lock(&sl->lock); if (sl->xleft <= 0) { /* Now serial buffer is almost free & we can start * transmission of another packet */ sl->dev->stats.tx_packets++; clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); + spin_unlock(&sl->lock); sl_unlock(sl); return; } @@ -441,6 +443,7 @@ static void slip_write_wakeup(struct tty_struct *tty) actual = tty->ops->write(tty, sl->xhead, sl->xleft); sl->xleft -= actual; sl->xhead += actual; + spin_unlock(&sl->lock); } static void sl_tx_timeout(struct net_device *dev) diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index 2dbb946..c6867f9 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -303,7 +303,7 @@ static void dm9601_set_multicast(struct net_device *net) rx_ctl |= 0x02; } else if (net->flags & IFF_ALLMULTI || netdev_mc_count(net) > DM_MAX_MCAST) { - rx_ctl |= 0x04; + rx_ctl |= 0x08; } else if (!netdev_mc_empty(net)) { struct netdev_hw_addr *ha; diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 6312332..3d6aaf7 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -714,7 +714,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ - {QMI_FIXED_INTF(0x1e2d, 0x12d1, 4)}, /* Cinterion PLxx */ + {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */ /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 7b331e6..bf94e10 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1241,7 +1241,9 @@ static int build_dma_sg(const struct sk_buff *skb, struct urb *urb) if (num_sgs == 1) return 0; - urb->sg = kmalloc(num_sgs * sizeof(struct scatterlist), GFP_ATOMIC); + /* reserve one for zero packet */ + urb->sg = kmalloc((num_sgs + 1) * sizeof(struct scatterlist), + GFP_ATOMIC); if (!urb->sg) return -ENOMEM; @@ -1305,7 +1307,7 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb, if (build_dma_sg(skb, urb) < 0) goto drop; } - entry->length = length = urb->transfer_buffer_length; + length = urb->transfer_buffer_length; /* don't assume the hardware handles USB_ZERO_PACKET * NOTE: strictly conforming cdc-ether devices should expect @@ -1317,15 +1319,18 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb, if (length % dev->maxpacket == 0) { if (!(info->flags & FLAG_SEND_ZLP)) { if (!(info->flags & FLAG_MULTI_PACKET)) { - urb->transfer_buffer_length++; - if (skb_tailroom(skb)) { + length++; + if (skb_tailroom(skb) && !urb->num_sgs) { skb->data[skb->len] = 0; __skb_put(skb, 1); - } + } else if (urb->num_sgs) + sg_set_buf(&urb->sg[urb->num_sgs++], + dev->padding_pkt, 1); } } else urb->transfer_flags |= URB_ZERO_PACKET; } + entry->length = urb->transfer_buffer_length = length; spin_lock_irqsave(&dev->txq.lock, flags); retval = usb_autopm_get_interface_async(dev->intf); @@ -1509,6 +1514,7 @@ void usbnet_disconnect (struct usb_interface *intf) usb_kill_urb(dev->interrupt); usb_free_urb(dev->interrupt); + kfree(dev->padding_pkt); free_netdev(net); } @@ -1679,9 +1685,16 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) /* initialize max rx_qlen and tx_qlen */ usbnet_update_max_qlen(dev); + if (dev->can_dma_sg && !(info->flags & FLAG_SEND_ZLP) && + !(info->flags & FLAG_MULTI_PACKET)) { + dev->padding_pkt = kzalloc(1, GFP_KERNEL); + if (!dev->padding_pkt) + goto out4; + } + status = register_netdev (net); if (status) - goto out4; + goto out5; netif_info(dev, probe, dev->net, "register '%s' at usb-%s-%s, %s, %pM\n", udev->dev.driver->name, @@ -1699,6 +1712,8 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) return 0; +out5: + kfree(dev->padding_pkt); out4: usb_free_urb(dev->interrupt); out3: diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index d1292fe..2ef5b62 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -952,8 +952,7 @@ void vxlan_sock_release(struct vxlan_sock *vs) spin_lock(&vn->sock_lock); hlist_del_rcu(&vs->hlist); - smp_wmb(); - vs->sock->sk->sk_user_data = NULL; + rcu_assign_sk_user_data(vs->sock->sk, NULL); vxlan_notify_del_rx_port(sk); spin_unlock(&vn->sock_lock); @@ -1048,8 +1047,7 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb) port = inet_sk(sk)->inet_sport; - smp_read_barrier_depends(); - vs = (struct vxlan_sock *)sk->sk_user_data; + vs = rcu_dereference_sk_user_data(sk); if (!vs) goto drop; @@ -2302,8 +2300,7 @@ static struct vxlan_sock *vxlan_socket_create(struct net *net, __be16 port, atomic_set(&vs->refcnt, 1); vs->rcv = rcv; vs->data = data; - smp_wmb(); - vs->sock->sk->sk_user_data = vs; + rcu_assign_sk_user_data(vs->sock->sk, vs); spin_lock(&vn->sock_lock); hlist_add_head_rcu(&vs->hlist, vs_head(net, port)); diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 4ee472a..ab9e3a8 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -1270,13 +1270,6 @@ static void ath9k_antenna_check(struct ath_softc *sc, return; /* - * All MPDUs in an aggregate will use the same LNA - * as the first MPDU. - */ - if (rs->rs_isaggr && !rs->rs_firstaggr) - return; - - /* * Change the default rx antenna if rx diversity * chooses the other antenna 3 times in a row. */ diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 35b515f..5ac713d 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -399,6 +399,7 @@ static struct ath_buf* ath_clone_txbuf(struct ath_softc *sc, struct ath_buf *bf) tbf->bf_buf_addr = bf->bf_buf_addr; memcpy(tbf->bf_desc, bf->bf_desc, sc->sc_ah->caps.tx_desc_len); tbf->bf_state = bf->bf_state; + tbf->bf_state.stale = false; return tbf; } @@ -1389,11 +1390,15 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid, u16 *ssn) { struct ath_atx_tid *txtid; + struct ath_txq *txq; struct ath_node *an; u8 density; an = (struct ath_node *)sta->drv_priv; txtid = ATH_AN_2_TID(an, tid); + txq = txtid->ac->txq; + + ath_txq_lock(sc, txq); /* update ampdu factor/density, they may have changed. This may happen * in HT IBSS when a beacon with HT-info is received after the station @@ -1417,6 +1422,8 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, memset(txtid->tx_buf, 0, sizeof(txtid->tx_buf)); txtid->baw_head = txtid->baw_tail = 0; + ath_txq_unlock_complete(sc, txq); + return 0; } @@ -1555,8 +1562,10 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw, __skb_unlink(bf->bf_mpdu, tid_q); list_add_tail(&bf->list, &bf_q); ath_set_rates(tid->an->vif, tid->an->sta, bf); - ath_tx_addto_baw(sc, tid, bf); - bf->bf_state.bf_type &= ~BUF_AGGR; + if (bf_isampdu(bf)) { + ath_tx_addto_baw(sc, tid, bf); + bf->bf_state.bf_type &= ~BUF_AGGR; + } if (bf_tail) bf_tail->bf_next = bf; @@ -1950,7 +1959,9 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq, if (bf_is_ampdu_not_probing(bf)) txq->axq_ampdu_depth++; - bf = bf->bf_lastbf->bf_next; + bf_last = bf->bf_lastbf; + bf = bf_last->bf_next; + bf_last->bf_next = NULL; } } } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c index 64f4a2b..c3462b7 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c @@ -464,8 +464,6 @@ static struct sdio_driver brcmf_sdmmc_driver = { static int brcmf_sdio_pd_probe(struct platform_device *pdev) { - int ret; - brcmf_dbg(SDIO, "Enter\n"); brcmfmac_sdio_pdata = pdev->dev.platform_data; @@ -473,11 +471,7 @@ static int brcmf_sdio_pd_probe(struct platform_device *pdev) if (brcmfmac_sdio_pdata->power_on) brcmfmac_sdio_pdata->power_on(); - ret = sdio_register_driver(&brcmf_sdmmc_driver); - if (ret) - brcmf_err("sdio_register_driver failed: %d\n", ret); - - return ret; + return 0; } static int brcmf_sdio_pd_remove(struct platform_device *pdev) @@ -500,6 +494,15 @@ static struct platform_driver brcmf_sdio_pd = { } }; +void brcmf_sdio_register(void) +{ + int ret; + + ret = sdio_register_driver(&brcmf_sdmmc_driver); + if (ret) + brcmf_err("sdio_register_driver failed: %d\n", ret); +} + void brcmf_sdio_exit(void) { brcmf_dbg(SDIO, "Enter\n"); @@ -510,18 +513,13 @@ void brcmf_sdio_exit(void) sdio_unregister_driver(&brcmf_sdmmc_driver); } -void brcmf_sdio_init(void) +void __init brcmf_sdio_init(void) { int ret; brcmf_dbg(SDIO, "Enter\n"); ret = platform_driver_probe(&brcmf_sdio_pd, brcmf_sdio_pd_probe); - if (ret == -ENODEV) { - brcmf_dbg(SDIO, "No platform data available, registering without.\n"); - ret = sdio_register_driver(&brcmf_sdmmc_driver); - } - - if (ret) - brcmf_err("driver registration failed: %d\n", ret); + if (ret == -ENODEV) + brcmf_dbg(SDIO, "No platform data available.\n"); } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h index f7c1985..74156f8 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h @@ -156,10 +156,11 @@ extern int brcmf_bus_start(struct device *dev); #ifdef CONFIG_BRCMFMAC_SDIO extern void brcmf_sdio_exit(void); extern void brcmf_sdio_init(void); +extern void brcmf_sdio_register(void); #endif #ifdef CONFIG_BRCMFMAC_USB extern void brcmf_usb_exit(void); -extern void brcmf_usb_init(void); +extern void brcmf_usb_register(void); #endif #endif /* _BRCMF_BUS_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c index e067aec..40e7f85 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c @@ -1231,21 +1231,23 @@ u32 brcmf_get_chip_info(struct brcmf_if *ifp) return bus->chip << 4 | bus->chiprev; } -static void brcmf_driver_init(struct work_struct *work) +static void brcmf_driver_register(struct work_struct *work) { - brcmf_debugfs_init(); - #ifdef CONFIG_BRCMFMAC_SDIO - brcmf_sdio_init(); + brcmf_sdio_register(); #endif #ifdef CONFIG_BRCMFMAC_USB - brcmf_usb_init(); + brcmf_usb_register(); #endif } -static DECLARE_WORK(brcmf_driver_work, brcmf_driver_init); +static DECLARE_WORK(brcmf_driver_work, brcmf_driver_register); static int __init brcmfmac_module_init(void) { + brcmf_debugfs_init(); +#ifdef CONFIG_BRCMFMAC_SDIO + brcmf_sdio_init(); +#endif if (!schedule_work(&brcmf_driver_work)) return -EBUSY; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c index 39e01a7..f4aea47 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c @@ -1539,7 +1539,7 @@ void brcmf_usb_exit(void) brcmf_release_fw(&fw_image_list); } -void brcmf_usb_init(void) +void brcmf_usb_register(void) { brcmf_dbg(USB, "Enter\n"); INIT_LIST_HEAD(&fw_image_list); diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c index 3a65447..edc5d10 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c @@ -457,6 +457,8 @@ static int brcms_ops_start(struct ieee80211_hw *hw) if (err != 0) brcms_err(wl->wlc->hw->d11core, "%s: brcms_up() returned %d\n", __func__, err); + + bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, true); return err; } @@ -479,6 +481,8 @@ static void brcms_ops_stop(struct ieee80211_hw *hw) return; } + bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, false); + /* put driver in down state */ spin_lock_bh(&wl->lock); brcms_down(wl); diff --git a/drivers/net/wireless/cw1200/cw1200_spi.c b/drivers/net/wireless/cw1200/cw1200_spi.c index f5e6b48..899cad3 100644 --- a/drivers/net/wireless/cw1200/cw1200_spi.c +++ b/drivers/net/wireless/cw1200/cw1200_spi.c @@ -42,7 +42,6 @@ struct hwbus_priv { spinlock_t lock; /* Serialize all bus operations */ wait_queue_head_t wq; int claimed; - int irq_disabled; }; #define SDIO_TO_SPI_ADDR(addr) ((addr & 0x1f)>>2) @@ -238,8 +237,6 @@ static irqreturn_t cw1200_spi_irq_handler(int irq, void *dev_id) struct hwbus_priv *self = dev_id; if (self->core) { - disable_irq_nosync(self->func->irq); - self->irq_disabled = 1; cw1200_irq_handler(self->core); return IRQ_HANDLED; } else { @@ -253,9 +250,10 @@ static int cw1200_spi_irq_subscribe(struct hwbus_priv *self) pr_debug("SW IRQ subscribe\n"); - ret = request_any_context_irq(self->func->irq, cw1200_spi_irq_handler, - IRQF_TRIGGER_HIGH, - "cw1200_wlan_irq", self); + ret = request_threaded_irq(self->func->irq, NULL, + cw1200_spi_irq_handler, + IRQF_TRIGGER_HIGH | IRQF_ONESHOT, + "cw1200_wlan_irq", self); if (WARN_ON(ret < 0)) goto exit; @@ -273,22 +271,13 @@ exit: static int cw1200_spi_irq_unsubscribe(struct hwbus_priv *self) { + int ret = 0; + pr_debug("SW IRQ unsubscribe\n"); disable_irq_wake(self->func->irq); free_irq(self->func->irq, self); - return 0; -} - -static int cw1200_spi_irq_enable(struct hwbus_priv *self, int enable) -{ - /* Disables are handled by the interrupt handler */ - if (enable && self->irq_disabled) { - enable_irq(self->func->irq); - self->irq_disabled = 0; - } - - return 0; + return ret; } static int cw1200_spi_off(const struct cw1200_platform_data_spi *pdata) @@ -368,7 +357,6 @@ static struct hwbus_ops cw1200_spi_hwbus_ops = { .unlock = cw1200_spi_unlock, .align_size = cw1200_spi_align_size, .power_mgmt = cw1200_spi_pm, - .irq_enable = cw1200_spi_irq_enable, }; /* Probe Function to be called by SPI stack when device is discovered */ diff --git a/drivers/net/wireless/cw1200/fwio.c b/drivers/net/wireless/cw1200/fwio.c index 0b2061b..acdff0f 100644 --- a/drivers/net/wireless/cw1200/fwio.c +++ b/drivers/net/wireless/cw1200/fwio.c @@ -485,7 +485,7 @@ int cw1200_load_firmware(struct cw1200_common *priv) /* Enable interrupt signalling */ priv->hwbus_ops->lock(priv->hwbus_priv); - ret = __cw1200_irq_enable(priv, 2); + ret = __cw1200_irq_enable(priv, 1); priv->hwbus_ops->unlock(priv->hwbus_priv); if (ret < 0) goto unsubscribe; diff --git a/drivers/net/wireless/cw1200/hwbus.h b/drivers/net/wireless/cw1200/hwbus.h index 51dfb3a..8b2fc83 100644 --- a/drivers/net/wireless/cw1200/hwbus.h +++ b/drivers/net/wireless/cw1200/hwbus.h @@ -28,7 +28,6 @@ struct hwbus_ops { void (*unlock)(struct hwbus_priv *self); size_t (*align_size)(struct hwbus_priv *self, size_t size); int (*power_mgmt)(struct hwbus_priv *self, bool suspend); - int (*irq_enable)(struct hwbus_priv *self, int enable); }; #endif /* CW1200_HWBUS_H */ diff --git a/drivers/net/wireless/cw1200/hwio.c b/drivers/net/wireless/cw1200/hwio.c index 41bd761..ff230b7 100644 --- a/drivers/net/wireless/cw1200/hwio.c +++ b/drivers/net/wireless/cw1200/hwio.c @@ -273,21 +273,6 @@ int __cw1200_irq_enable(struct cw1200_common *priv, int enable) u16 val16; int ret; - /* We need to do this hack because the SPI layer can sleep on I/O - and the general path involves I/O to the device in interrupt - context. - - However, the initial enable call needs to go to the hardware. - - We don't worry about shutdown because we do a full reset which - clears the interrupt enabled bits. - */ - if (priv->hwbus_ops->irq_enable) { - ret = priv->hwbus_ops->irq_enable(priv->hwbus_priv, enable); - if (ret || enable < 2) - return ret; - } - if (HIF_8601_SILICON == priv->hw_type) { ret = __cw1200_reg_read_32(priv, ST90TDS_CONFIG_REG_ID, &val32); if (ret < 0) { diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c index 21c6882..1214c58 100644 --- a/drivers/net/wireless/mwifiex/11n_aggr.c +++ b/drivers/net/wireless/mwifiex/11n_aggr.c @@ -150,7 +150,7 @@ mwifiex_11n_form_amsdu_txpd(struct mwifiex_private *priv, */ int mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, - struct mwifiex_ra_list_tbl *pra_list, int headroom, + struct mwifiex_ra_list_tbl *pra_list, int ptrindex, unsigned long ra_list_flags) __releases(&priv->wmm.ra_list_spinlock) { @@ -160,6 +160,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, int pad = 0, ret; struct mwifiex_tx_param tx_param; struct txpd *ptx_pd = NULL; + int headroom = adapter->iface_type == MWIFIEX_USB ? 0 : INTF_HEADER_LEN; skb_src = skb_peek(&pra_list->skb_head); if (!skb_src) { diff --git a/drivers/net/wireless/mwifiex/11n_aggr.h b/drivers/net/wireless/mwifiex/11n_aggr.h index 900e1c6..892098d 100644 --- a/drivers/net/wireless/mwifiex/11n_aggr.h +++ b/drivers/net/wireless/mwifiex/11n_aggr.h @@ -26,7 +26,7 @@ int mwifiex_11n_deaggregate_pkt(struct mwifiex_private *priv, struct sk_buff *skb); int mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, - struct mwifiex_ra_list_tbl *ptr, int headroom, + struct mwifiex_ra_list_tbl *ptr, int ptr_index, unsigned long flags) __releases(&priv->wmm.ra_list_spinlock); diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c index 2d76147..a6c46f3 100644 --- a/drivers/net/wireless/mwifiex/cmdevt.c +++ b/drivers/net/wireless/mwifiex/cmdevt.c @@ -1155,7 +1155,7 @@ int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv, uint32_t conditions = le32_to_cpu(phs_cfg->params.hs_config.conditions); if (phs_cfg->action == cpu_to_le16(HS_ACTIVATE) && - adapter->iface_type == MWIFIEX_SDIO) { + adapter->iface_type != MWIFIEX_USB) { mwifiex_hs_activated_event(priv, true); return 0; } else { @@ -1167,8 +1167,7 @@ int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv, } if (conditions != HS_CFG_CANCEL) { adapter->is_hs_configured = true; - if (adapter->iface_type == MWIFIEX_USB || - adapter->iface_type == MWIFIEX_PCIE) + if (adapter->iface_type == MWIFIEX_USB) mwifiex_hs_activated_event(priv, true); } else { adapter->is_hs_configured = false; diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c index 2472d4b..1c70b8d 100644 --- a/drivers/net/wireless/mwifiex/usb.c +++ b/drivers/net/wireless/mwifiex/usb.c @@ -447,9 +447,6 @@ static int mwifiex_usb_suspend(struct usb_interface *intf, pm_message_t message) */ adapter->is_suspended = true; - for (i = 0; i < adapter->priv_num; i++) - netif_carrier_off(adapter->priv[i]->netdev); - if (atomic_read(&card->rx_cmd_urb_pending) && card->rx_cmd.urb) usb_kill_urb(card->rx_cmd.urb); @@ -509,10 +506,6 @@ static int mwifiex_usb_resume(struct usb_interface *intf) MWIFIEX_RX_CMD_BUF_SIZE); } - for (i = 0; i < adapter->priv_num; i++) - if (adapter->priv[i]->media_connected) - netif_carrier_on(adapter->priv[i]->netdev); - /* Disable Host Sleep */ if (adapter->hs_activated) mwifiex_cancel_hs(mwifiex_get_priv(adapter, diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c index 2e8f9cd..95fa359 100644 --- a/drivers/net/wireless/mwifiex/wmm.c +++ b/drivers/net/wireless/mwifiex/wmm.c @@ -1239,8 +1239,7 @@ mwifiex_dequeue_tx_packet(struct mwifiex_adapter *adapter) if (enable_tx_amsdu && mwifiex_is_amsdu_allowed(priv, tid) && mwifiex_is_11n_aggragation_possible(priv, ptr, adapter->tx_buf_size)) - mwifiex_11n_aggregate_pkt(priv, ptr, INTF_HEADER_LEN, - ptr_index, flags); + mwifiex_11n_aggregate_pkt(priv, ptr, ptr_index, flags); /* ra_list_spinlock has been freed in mwifiex_11n_aggregate_pkt() */ else diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index b9deef6..e328d30 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -83,6 +83,7 @@ static struct usb_device_id p54u_table[] = { {USB_DEVICE(0x06a9, 0x000e)}, /* Westell 802.11g USB (A90-211WG-01) */ {USB_DEVICE(0x06b9, 0x0121)}, /* Thomson SpeedTouch 121g */ {USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */ + {USB_DEVICE(0x07aa, 0x0020)}, /* Corega WLUSB2GTST USB */ {USB_DEVICE(0x0803, 0x4310)}, /* Zoom 4410a */ {USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */ {USB_DEVICE(0x083a, 0x4531)}, /* T-Com Sinus 154 data II */ @@ -979,6 +980,7 @@ static int p54u_load_firmware(struct ieee80211_hw *dev, if (err) { dev_err(&priv->udev->dev, "(p54usb) cannot load firmware %s " "(%d)!\n", p54u_fwlist[i].fw, err); + usb_put_dev(udev); } return err; diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h index cc03e7c..7032587 100644 --- a/drivers/net/wireless/rtlwifi/wifi.h +++ b/drivers/net/wireless/rtlwifi/wifi.h @@ -2057,7 +2057,7 @@ struct rtl_priv { that it points to the data allocated beyond this structure like: rtl_pci_priv or rtl_usb_priv */ - u8 priv[0]; + u8 priv[0] __aligned(sizeof(void *)); }; #define rtl_priv(hw) (((struct rtl_priv *)(hw)->priv)) diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index a53782e..b45bce2 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -24,6 +24,12 @@ struct backend_info { struct xenbus_device *dev; struct xenvif *vif; + + /* This is the state that will be reflected in xenstore when any + * active hotplug script completes. + */ + enum xenbus_state state; + enum xenbus_state frontend_state; struct xenbus_watch hotplug_status_watch; u8 have_hotplug_status_watch:1; @@ -136,6 +142,8 @@ static int netback_probe(struct xenbus_device *dev, if (err) goto fail; + be->state = XenbusStateInitWait; + /* This kicks hotplug scripts, so do it immediately. */ backend_create_xenvif(be); @@ -208,24 +216,113 @@ static void backend_create_xenvif(struct backend_info *be) kobject_uevent(&dev->dev.kobj, KOBJ_ONLINE); } - -static void disconnect_backend(struct xenbus_device *dev) +static void backend_disconnect(struct backend_info *be) { - struct backend_info *be = dev_get_drvdata(&dev->dev); - if (be->vif) xenvif_disconnect(be->vif); } -static void destroy_backend(struct xenbus_device *dev) +static void backend_connect(struct backend_info *be) { - struct backend_info *be = dev_get_drvdata(&dev->dev); + if (be->vif) + connect(be); +} - if (be->vif) { - kobject_uevent(&dev->dev.kobj, KOBJ_OFFLINE); - xenbus_rm(XBT_NIL, dev->nodename, "hotplug-status"); - xenvif_free(be->vif); - be->vif = NULL; +static inline void backend_switch_state(struct backend_info *be, + enum xenbus_state state) +{ + struct xenbus_device *dev = be->dev; + + pr_debug("%s -> %s\n", dev->nodename, xenbus_strstate(state)); + be->state = state; + + /* If we are waiting for a hotplug script then defer the + * actual xenbus state change. + */ + if (!be->have_hotplug_status_watch) + xenbus_switch_state(dev, state); +} + +/* Handle backend state transitions: + * + * The backend state starts in InitWait and the following transitions are + * allowed. + * + * InitWait -> Connected + * + * ^ \ | + * | \ | + * | \ | + * | \ | + * | \ | + * | \ | + * | V V + * + * Closed <-> Closing + * + * The state argument specifies the eventual state of the backend and the + * function transitions to that state via the shortest path. + */ +static void set_backend_state(struct backend_info *be, + enum xenbus_state state) +{ + while (be->state != state) { + switch (be->state) { + case XenbusStateClosed: + switch (state) { + case XenbusStateInitWait: + case XenbusStateConnected: + pr_info("%s: prepare for reconnect\n", + be->dev->nodename); + backend_switch_state(be, XenbusStateInitWait); + break; + case XenbusStateClosing: + backend_switch_state(be, XenbusStateClosing); + break; + default: + BUG(); + } + break; + case XenbusStateInitWait: + switch (state) { + case XenbusStateConnected: + backend_connect(be); + backend_switch_state(be, XenbusStateConnected); + break; + case XenbusStateClosing: + case XenbusStateClosed: + backend_switch_state(be, XenbusStateClosing); + break; + default: + BUG(); + } + break; + case XenbusStateConnected: + switch (state) { + case XenbusStateInitWait: + case XenbusStateClosing: + case XenbusStateClosed: + backend_disconnect(be); + backend_switch_state(be, XenbusStateClosing); + break; + default: + BUG(); + } + break; + case XenbusStateClosing: + switch (state) { + case XenbusStateInitWait: + case XenbusStateConnected: + case XenbusStateClosed: + backend_switch_state(be, XenbusStateClosed); + break; + default: + BUG(); + } + break; + default: + BUG(); + } } } @@ -237,40 +334,33 @@ static void frontend_changed(struct xenbus_device *dev, { struct backend_info *be = dev_get_drvdata(&dev->dev); - pr_debug("frontend state %s\n", xenbus_strstate(frontend_state)); + pr_debug("%s -> %s\n", dev->otherend, xenbus_strstate(frontend_state)); be->frontend_state = frontend_state; switch (frontend_state) { case XenbusStateInitialising: - if (dev->state == XenbusStateClosed) { - pr_info("%s: prepare for reconnect\n", dev->nodename); - xenbus_switch_state(dev, XenbusStateInitWait); - } + set_backend_state(be, XenbusStateInitWait); break; case XenbusStateInitialised: break; case XenbusStateConnected: - if (dev->state == XenbusStateConnected) - break; - if (be->vif) - connect(be); + set_backend_state(be, XenbusStateConnected); break; case XenbusStateClosing: - disconnect_backend(dev); - xenbus_switch_state(dev, XenbusStateClosing); + set_backend_state(be, XenbusStateClosing); break; case XenbusStateClosed: - xenbus_switch_state(dev, XenbusStateClosed); + set_backend_state(be, XenbusStateClosed); if (xenbus_dev_is_online(dev)) break; - destroy_backend(dev); /* fall through if not online */ case XenbusStateUnknown: + set_backend_state(be, XenbusStateClosed); device_unregister(&dev->dev); break; @@ -363,7 +453,9 @@ static void hotplug_status_changed(struct xenbus_watch *watch, if (IS_ERR(str)) return; if (len == sizeof("connected")-1 && !memcmp(str, "connected", len)) { - xenbus_switch_state(be->dev, XenbusStateConnected); + /* Complete any pending state change */ + xenbus_switch_state(be->dev, be->state); + /* Not interested in this watch anymore. */ unregister_hotplug_status_watch(be); } @@ -393,12 +485,8 @@ static void connect(struct backend_info *be) err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch, hotplug_status_changed, "%s/%s", dev->nodename, "hotplug-status"); - if (err) { - /* Switch now, since we can't do a watch. */ - xenbus_switch_state(dev, XenbusStateConnected); - } else { + if (!err) be->have_hotplug_status_watch = 1; - } netif_wake_queue(be->vif->dev); } diff --git a/drivers/of/address.c b/drivers/of/address.c index 556a7fb..4b9317b 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -489,7 +489,7 @@ static u64 __of_translate_address(struct device_node *dev, int na, ns, pna, pns; u64 result = OF_BAD_ADDR; - pr_debug("OF: ** translation for device %s **\n", dev->full_name); + pr_debug("OF: ** translation for device %s **\n", of_node_full_name(dev)); /* Increase refcount at current level */ of_node_get(dev); @@ -504,13 +504,13 @@ static u64 __of_translate_address(struct device_node *dev, bus->count_cells(dev, &na, &ns); if (!OF_CHECK_COUNTS(na, ns)) { printk(KERN_ERR "prom_parse: Bad cell count for %s\n", - dev->full_name); + of_node_full_name(dev)); goto bail; } memcpy(addr, in_addr, na * 4); pr_debug("OF: bus is %s (na=%d, ns=%d) on %s\n", - bus->name, na, ns, parent->full_name); + bus->name, na, ns, of_node_full_name(parent)); of_dump_addr("OF: translating address:", addr, na); /* Translate */ @@ -532,12 +532,12 @@ static u64 __of_translate_address(struct device_node *dev, pbus->count_cells(dev, &pna, &pns); if (!OF_CHECK_COUNTS(pna, pns)) { printk(KERN_ERR "prom_parse: Bad cell count for %s\n", - dev->full_name); + of_node_full_name(dev)); break; } pr_debug("OF: parent bus is %s (na=%d, ns=%d) on %s\n", - pbus->name, pna, pns, parent->full_name); + pbus->name, pna, pns, of_node_full_name(parent)); /* Apply bus translation */ if (of_translate_one(dev, bus, pbus, addr, na, ns, pna, rprop)) diff --git a/drivers/of/base.c b/drivers/of/base.c index ced4c06..f243109 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -272,9 +272,9 @@ static bool __of_find_n_match_cpu_property(struct device_node *cpun, ac = of_n_addr_cells(cpun); cell = of_get_property(cpun, prop_name, &prop_len); - if (!cell) + if (!cell || !ac) return false; - prop_len /= sizeof(*cell); + prop_len /= sizeof(*cell) * ac; for (tid = 0; tid < prop_len; tid++) { hwid = of_read_number(cell, ac); if (arch_match_cpu_phys_id(cpu, hwid)) { @@ -287,6 +287,31 @@ static bool __of_find_n_match_cpu_property(struct device_node *cpun, return false; } +/* + * arch_find_n_match_cpu_physical_id - See if the given device node is + * for the cpu corresponding to logical cpu 'cpu'. Return true if so, + * else false. If 'thread' is non-NULL, the local thread number within the + * core is returned in it. + */ +bool __weak arch_find_n_match_cpu_physical_id(struct device_node *cpun, + int cpu, unsigned int *thread) +{ + /* Check for non-standard "ibm,ppc-interrupt-server#s" property + * for thread ids on PowerPC. If it doesn't exist fallback to + * standard "reg" property. + */ + if (IS_ENABLED(CONFIG_PPC) && + __of_find_n_match_cpu_property(cpun, + "ibm,ppc-interrupt-server#s", + cpu, thread)) + return true; + + if (__of_find_n_match_cpu_property(cpun, "reg", cpu, thread)) + return true; + + return false; +} + /** * of_get_cpu_node - Get device node associated with the given logical CPU * @@ -307,26 +332,10 @@ static bool __of_find_n_match_cpu_property(struct device_node *cpun, */ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread) { - struct device_node *cpun, *cpus; + struct device_node *cpun; - cpus = of_find_node_by_path("/cpus"); - if (!cpus) { - pr_warn("Missing cpus node, bailing out\n"); - return NULL; - } - - for_each_child_of_node(cpus, cpun) { - if (of_node_cmp(cpun->type, "cpu")) - continue; - /* Check for non-standard "ibm,ppc-interrupt-server#s" property - * for thread ids on PowerPC. If it doesn't exist fallback to - * standard "reg" property. - */ - if (IS_ENABLED(CONFIG_PPC) && - __of_find_n_match_cpu_property(cpun, - "ibm,ppc-interrupt-server#s", cpu, thread)) - return cpun; - if (__of_find_n_match_cpu_property(cpun, "reg", cpu, thread)) + for_each_node_by_type(cpun, "cpu") { + if (arch_find_n_match_cpu_physical_id(cpun, cpu, thread)) return cpun; } return NULL; @@ -1183,6 +1192,15 @@ int of_property_count_strings(struct device_node *np, const char *propname) } EXPORT_SYMBOL_GPL(of_property_count_strings); +void of_print_phandle_args(const char *msg, const struct of_phandle_args *args) +{ + int i; + printk("%s %s", msg, of_node_full_name(args->np)); + for (i = 0; i < args->args_count; i++) + printk(i ? ",%08x" : ":%08x", args->args[i]); + printk("\n"); +} + static int __of_parse_phandle_with_args(const struct device_node *np, const char *list_name, const char *cells_name, diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 1752988..d385bb8 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -31,18 +31,17 @@ * @dev: Device node of the device whose interrupt is to be mapped * @index: Index of the interrupt to map * - * This function is a wrapper that chains of_irq_map_one() and + * This function is a wrapper that chains of_irq_parse_one() and * irq_create_of_mapping() to make things easier to callers */ unsigned int irq_of_parse_and_map(struct device_node *dev, int index) { - struct of_irq oirq; + struct of_phandle_args oirq; - if (of_irq_map_one(dev, index, &oirq)) + if (of_irq_parse_one(dev, index, &oirq)) return 0; - return irq_create_of_mapping(oirq.controller, oirq.specifier, - oirq.size); + return irq_create_of_mapping(&oirq); } EXPORT_SYMBOL_GPL(irq_of_parse_and_map); @@ -79,33 +78,34 @@ struct device_node *of_irq_find_parent(struct device_node *child) } /** - * of_irq_map_raw - Low level interrupt tree parsing + * of_irq_parse_raw - Low level interrupt tree parsing * @parent: the device interrupt parent - * @intspec: interrupt specifier ("interrupts" property of the device) - * @ointsize: size of the passed in interrupt specifier - * @addr: address specifier (start of "reg" property of the device) - * @out_irq: structure of_irq filled by this function + * @addr: address specifier (start of "reg" property of the device) in be32 format + * @out_irq: structure of_irq updated by this function * * Returns 0 on success and a negative number on error * * This function is a low-level interrupt tree walking function. It * can be used to do a partial walk with synthetized reg and interrupts * properties, for example when resolving PCI interrupts when no device - * node exist for the parent. + * node exist for the parent. It takes an interrupt specifier structure as + * input, walks the tree looking for any interrupt-map properties, translates + * the specifier for each map, and then returns the translated map. */ -int of_irq_map_raw(struct device_node *parent, const __be32 *intspec, - u32 ointsize, const __be32 *addr, struct of_irq *out_irq) +int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq) { struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL; - const __be32 *tmp, *imap, *imask; + __be32 initial_match_array[MAX_PHANDLE_ARGS]; + const __be32 *match_array = initial_match_array; + const __be32 *tmp, *imap, *imask, dummy_imask[] = { [0 ... MAX_PHANDLE_ARGS] = ~0 }; u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0; int imaplen, match, i; - pr_debug("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...],ointsize=%d\n", - parent->full_name, be32_to_cpup(intspec), - be32_to_cpup(intspec + 1), ointsize); +#ifdef DEBUG + of_print_phandle_args("of_irq_parse_raw: ", out_irq); +#endif - ipar = of_node_get(parent); + ipar = of_node_get(out_irq->np); /* First get the #interrupt-cells property of the current cursor * that tells us how to interpret the passed-in intspec. If there @@ -126,9 +126,9 @@ int of_irq_map_raw(struct device_node *parent, const __be32 *intspec, goto fail; } - pr_debug("of_irq_map_raw: ipar=%s, size=%d\n", ipar->full_name, intsize); + pr_debug("of_irq_parse_raw: ipar=%s, size=%d\n", of_node_full_name(ipar), intsize); - if (ointsize != intsize) + if (out_irq->args_count != intsize) return -EINVAL; /* Look for this #address-cells. We have to implement the old linux @@ -147,6 +147,16 @@ int of_irq_map_raw(struct device_node *parent, const __be32 *intspec, pr_debug(" -> addrsize=%d\n", addrsize); + /* Range check so that the temporary buffer doesn't overflow */ + if (WARN_ON(addrsize + intsize > MAX_PHANDLE_ARGS)) + goto fail; + + /* Precalculate the match array - this simplifies match loop */ + for (i = 0; i < addrsize; i++) + initial_match_array[i] = addr ? addr[i] : 0; + for (i = 0; i < intsize; i++) + initial_match_array[addrsize + i] = cpu_to_be32(out_irq->args[i]); + /* Now start the actual "proper" walk of the interrupt tree */ while (ipar != NULL) { /* Now check if cursor is an interrupt-controller and if it is @@ -155,15 +165,19 @@ int of_irq_map_raw(struct device_node *parent, const __be32 *intspec, if (of_get_property(ipar, "interrupt-controller", NULL) != NULL) { pr_debug(" -> got it !\n"); - for (i = 0; i < intsize; i++) - out_irq->specifier[i] = - of_read_number(intspec +i, 1); - out_irq->size = intsize; - out_irq->controller = ipar; of_node_put(old); return 0; } + /* + * interrupt-map parsing does not work without a reg + * property when #address-cells != 0 + */ + if (addrsize && !addr) { + pr_debug(" -> no reg passed in when needed !\n"); + goto fail; + } + /* Now look for an interrupt-map */ imap = of_get_property(ipar, "interrupt-map", &imaplen); /* No interrupt map, check for an interrupt parent */ @@ -176,34 +190,16 @@ int of_irq_map_raw(struct device_node *parent, const __be32 *intspec, /* Look for a mask */ imask = of_get_property(ipar, "interrupt-map-mask", NULL); - - /* If we were passed no "reg" property and we attempt to parse - * an interrupt-map, then #address-cells must be 0. - * Fail if it's not. - */ - if (addr == NULL && addrsize != 0) { - pr_debug(" -> no reg passed in when needed !\n"); - goto fail; - } + if (!imask) + imask = dummy_imask; /* Parse interrupt-map */ match = 0; while (imaplen > (addrsize + intsize + 1) && !match) { /* Compare specifiers */ match = 1; - for (i = 0; i < addrsize && match; ++i) { - __be32 mask = imask ? imask[i] - : cpu_to_be32(0xffffffffu); - match = ((addr[i] ^ imap[i]) & mask) == 0; - } - for (; i < (addrsize + intsize) && match; ++i) { - __be32 mask = imask ? imask[i] - : cpu_to_be32(0xffffffffu); - match = - ((intspec[i-addrsize] ^ imap[i]) & mask) == 0; - } - imap += addrsize + intsize; - imaplen -= addrsize + intsize; + for (i = 0; i < (addrsize + intsize); i++, imaplen--) + match = !((match_array[i] ^ *imap++) & imask[i]); pr_debug(" -> match=%d (imaplen=%d)\n", match, imaplen); @@ -237,6 +233,8 @@ int of_irq_map_raw(struct device_node *parent, const __be32 *intspec, newintsize, newaddrsize); /* Check for malformed properties */ + if (WARN_ON(newaddrsize + newintsize > MAX_PHANDLE_ARGS)) + goto fail; if (imaplen < (newaddrsize + newintsize)) goto fail; @@ -248,12 +246,18 @@ int of_irq_map_raw(struct device_node *parent, const __be32 *intspec, if (!match) goto fail; - of_node_put(old); - old = of_node_get(newpar); + /* + * Successfully parsed an interrrupt-map translation; copy new + * interrupt specifier into the out_irq structure + */ + of_node_put(out_irq->np); + out_irq->np = of_node_get(newpar); + + match_array = imap - newaddrsize - newintsize; + for (i = 0; i < newintsize; i++) + out_irq->args[i] = be32_to_cpup(imap - newintsize + i); + out_irq->args_count = intsize = newintsize; addrsize = newaddrsize; - intsize = newintsize; - intspec = imap - intsize; - addr = intspec - addrsize; skiplevel: /* Iterate again with new parent */ @@ -264,46 +268,53 @@ int of_irq_map_raw(struct device_node *parent, const __be32 *intspec, } fail: of_node_put(ipar); - of_node_put(old); + of_node_put(out_irq->np); of_node_put(newpar); return -EINVAL; } -EXPORT_SYMBOL_GPL(of_irq_map_raw); +EXPORT_SYMBOL_GPL(of_irq_parse_raw); /** - * of_irq_map_one - Resolve an interrupt for a device + * of_irq_parse_one - Resolve an interrupt for a device * @device: the device whose interrupt is to be resolved * @index: index of the interrupt to resolve * @out_irq: structure of_irq filled by this function * - * This function resolves an interrupt, walking the tree, for a given - * device-tree node. It's the high level pendant to of_irq_map_raw(). + * This function resolves an interrupt for a node by walking the interrupt tree, + * finding which interrupt controller node it is attached to, and returning the + * interrupt specifier that can be used to retrieve a Linux IRQ number. */ -int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq) +int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_args *out_irq) { struct device_node *p; const __be32 *intspec, *tmp, *addr; u32 intsize, intlen; - int res = -EINVAL; + int i, res = -EINVAL; - pr_debug("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index); + pr_debug("of_irq_parse_one: dev=%s, index=%d\n", of_node_full_name(device), index); /* OldWorld mac stuff is "special", handle out of line */ if (of_irq_workarounds & OF_IMAP_OLDWORLD_MAC) - return of_irq_map_oldworld(device, index, out_irq); + return of_irq_parse_oldworld(device, index, out_irq); + + /* Get the reg property (if any) */ + addr = of_get_property(device, "reg", NULL); /* Get the interrupts property */ intspec = of_get_property(device, "interrupts", &intlen); - if (intspec == NULL) - return -EINVAL; + if (intspec == NULL) { + /* Try the new-style interrupts-extended */ + res = of_parse_phandle_with_args(device, "interrupts-extended", + "#interrupt-cells", index, out_irq); + if (res) + return -EINVAL; + return of_irq_parse_raw(addr, out_irq); + } intlen /= sizeof(*intspec); pr_debug(" intspec=%d intlen=%d\n", be32_to_cpup(intspec), intlen); - /* Get the reg property (if any) */ - addr = of_get_property(device, "reg", NULL); - /* Look for the interrupt parent. */ p = of_irq_find_parent(device); if (p == NULL) @@ -321,14 +332,20 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq if ((index + 1) * intsize > intlen) goto out; - /* Get new specifier and map it */ - res = of_irq_map_raw(p, intspec + index * intsize, intsize, - addr, out_irq); + /* Copy intspec into irq structure */ + intspec += index * intsize; + out_irq->np = p; + out_irq->args_count = intsize; + for (i = 0; i < intsize; i++) + out_irq->args[i] = be32_to_cpup(intspec++); + + /* Check if there are any interrupt-map translations to process */ + res = of_irq_parse_raw(addr, out_irq); out: of_node_put(p); return res; } -EXPORT_SYMBOL_GPL(of_irq_map_one); +EXPORT_SYMBOL_GPL(of_irq_parse_one); /** * of_irq_to_resource - Decode a node's IRQ and return it as a resource @@ -354,8 +371,8 @@ int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) &name); r->start = r->end = irq; - r->flags = IORESOURCE_IRQ; - r->name = name ? name : dev->full_name; + r->flags = IORESOURCE_IRQ | irqd_get_trigger_type(irq_get_irq_data(irq)); + r->name = name ? name : of_node_full_name(dev); } return irq; @@ -368,9 +385,10 @@ EXPORT_SYMBOL_GPL(of_irq_to_resource); */ int of_irq_count(struct device_node *dev) { + struct of_phandle_args irq; int nr = 0; - while (of_irq_to_resource(dev, nr, NULL)) + while (of_irq_parse_one(dev, nr, &irq) == 0) nr++; return nr; diff --git a/drivers/of/of_pci_irq.c b/drivers/of/of_pci_irq.c index d8607643..8736bc7 100644 --- a/drivers/of/of_pci_irq.c +++ b/drivers/of/of_pci_irq.c @@ -4,7 +4,7 @@ #include <linux/export.h> /** - * of_irq_map_pci - Resolve the interrupt for a PCI device + * of_irq_parse_pci - Resolve the interrupt for a PCI device * @pdev: the device whose interrupt is to be resolved * @out_irq: structure of_irq filled by this function * @@ -14,7 +14,7 @@ * PCI tree until an device-node is found, at which point it will finish * resolving using the OF tree walking. */ -int of_irq_map_pci(const struct pci_dev *pdev, struct of_irq *out_irq) +int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq) { struct device_node *dn, *ppnode; struct pci_dev *ppdev; @@ -29,7 +29,7 @@ int of_irq_map_pci(const struct pci_dev *pdev, struct of_irq *out_irq) */ dn = pci_device_to_OF_node(pdev); if (dn) { - rc = of_irq_map_one(dn, 0, out_irq); + rc = of_irq_parse_one(dn, 0, out_irq); if (!rc) return rc; } @@ -84,9 +84,37 @@ int of_irq_map_pci(const struct pci_dev *pdev, struct of_irq *out_irq) pdev = ppdev; } + out_irq->np = ppnode; + out_irq->args_count = 1; + out_irq->args[0] = lspec; lspec_be = cpu_to_be32(lspec); laddr[0] = cpu_to_be32((pdev->bus->number << 16) | (pdev->devfn << 8)); - laddr[1] = laddr[2] = cpu_to_be32(0); - return of_irq_map_raw(ppnode, &lspec_be, 1, laddr, out_irq); + laddr[1] = laddr[2] = cpu_to_be32(0); + return of_irq_parse_raw(laddr, out_irq); } -EXPORT_SYMBOL_GPL(of_irq_map_pci); +EXPORT_SYMBOL_GPL(of_irq_parse_pci); + +/** + * of_irq_parse_and_map_pci() - Decode a PCI irq from the device tree and map to a virq + * @dev: The pci device needing an irq + * @slot: PCI slot number; passed when used as map_irq callback. Unused + * @pin: PCI irq pin number; passed when used as map_irq callback. Unused + * + * @slot and @pin are unused, but included in the function so that this + * function can be used directly as the map_irq callback to pci_fixup_irqs(). + */ +int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin) +{ + struct of_phandle_args oirq; + int ret; + + ret = of_irq_parse_pci(dev, &oirq); + if (ret) { + dev_err(&dev->dev, "of_irq_parse_pci() failed with rc=%d\n", ret); + return 0; /* Proper return code 0 == NO_IRQ */ + } + + return irq_create_of_mapping(&oirq); +} +EXPORT_SYMBOL_GPL(of_irq_parse_and_map_pci); + diff --git a/drivers/of/selftest.c b/drivers/of/selftest.c index 0eb5c38..e21012b 100644 --- a/drivers/of/selftest.c +++ b/drivers/of/selftest.c @@ -9,18 +9,24 @@ #include <linux/errno.h> #include <linux/module.h> #include <linux/of.h> +#include <linux/of_irq.h> #include <linux/list.h> #include <linux/mutex.h> #include <linux/slab.h> #include <linux/device.h> -static bool selftest_passed = true; +static struct selftest_results { + int passed; + int failed; +} selftest_results; + #define selftest(result, fmt, ...) { \ if (!(result)) { \ - pr_err("FAIL %s:%i " fmt, __FILE__, __LINE__, ##__VA_ARGS__); \ - selftest_passed = false; \ + selftest_results.failed++; \ + pr_err("FAIL %s():%i " fmt, __func__, __LINE__, ##__VA_ARGS__); \ } else { \ - pr_info("pass %s:%i\n", __FILE__, __LINE__); \ + selftest_results.passed++; \ + pr_debug("pass %s():%i\n", __func__, __LINE__); \ } \ } @@ -131,7 +137,6 @@ static void __init of_selftest_property_match_string(void) struct device_node *np; int rc; - pr_info("start\n"); np = of_find_node_by_path("/testcase-data/phandle-tests/consumer-a"); if (!np) { pr_err("No testcase data in device tree\n"); @@ -154,6 +159,147 @@ static void __init of_selftest_property_match_string(void) selftest(rc == -EILSEQ, "unterminated string; rc=%i", rc); } +static void __init of_selftest_parse_interrupts(void) +{ + struct device_node *np; + struct of_phandle_args args; + int i, rc; + + np = of_find_node_by_path("/testcase-data/interrupts/interrupts0"); + if (!np) { + pr_err("missing testcase data\n"); + return; + } + + for (i = 0; i < 4; i++) { + bool passed = true; + args.args_count = 0; + rc = of_irq_parse_one(np, i, &args); + + passed &= !rc; + passed &= (args.args_count == 1); + passed &= (args.args[0] == (i + 1)); + + selftest(passed, "index %i - data error on node %s rc=%i\n", + i, args.np->full_name, rc); + } + of_node_put(np); + + np = of_find_node_by_path("/testcase-data/interrupts/interrupts1"); + if (!np) { + pr_err("missing testcase data\n"); + return; + } + + for (i = 0; i < 4; i++) { + bool passed = true; + args.args_count = 0; + rc = of_irq_parse_one(np, i, &args); + + /* Test the values from tests-phandle.dtsi */ + switch (i) { + case 0: + passed &= !rc; + passed &= (args.args_count == 1); + passed &= (args.args[0] == 9); + break; + case 1: + passed &= !rc; + passed &= (args.args_count == 3); + passed &= (args.args[0] == 10); + passed &= (args.args[1] == 11); + passed &= (args.args[2] == 12); + break; + case 2: + passed &= !rc; + passed &= (args.args_count == 2); + passed &= (args.args[0] == 13); + passed &= (args.args[1] == 14); + break; + case 3: + passed &= !rc; + passed &= (args.args_count == 2); + passed &= (args.args[0] == 15); + passed &= (args.args[1] == 16); + break; + default: + passed = false; + } + selftest(passed, "index %i - data error on node %s rc=%i\n", + i, args.np->full_name, rc); + } + of_node_put(np); +} + +static void __init of_selftest_parse_interrupts_extended(void) +{ + struct device_node *np; + struct of_phandle_args args; + int i, rc; + + np = of_find_node_by_path("/testcase-data/interrupts/interrupts-extended0"); + if (!np) { + pr_err("missing testcase data\n"); + return; + } + + for (i = 0; i < 7; i++) { + bool passed = true; + rc = of_irq_parse_one(np, i, &args); + + /* Test the values from tests-phandle.dtsi */ + switch (i) { + case 0: + passed &= !rc; + passed &= (args.args_count == 1); + passed &= (args.args[0] == 1); + break; + case 1: + passed &= !rc; + passed &= (args.args_count == 3); + passed &= (args.args[0] == 2); + passed &= (args.args[1] == 3); + passed &= (args.args[2] == 4); + break; + case 2: + passed &= !rc; + passed &= (args.args_count == 2); + passed &= (args.args[0] == 5); + passed &= (args.args[1] == 6); + break; + case 3: + passed &= !rc; + passed &= (args.args_count == 1); + passed &= (args.args[0] == 9); + break; + case 4: + passed &= !rc; + passed &= (args.args_count == 3); + passed &= (args.args[0] == 10); + passed &= (args.args[1] == 11); + passed &= (args.args[2] == 12); + break; + case 5: + passed &= !rc; + passed &= (args.args_count == 2); + passed &= (args.args[0] == 13); + passed &= (args.args[1] == 14); + break; + case 6: + passed &= !rc; + passed &= (args.args_count == 1); + passed &= (args.args[0] == 15); + break; + default: + passed = false; + } + + selftest(passed, "index %i - data error on node %s rc=%i\n", + i, args.np->full_name, rc); + } + of_node_put(np); +} + static int __init of_selftest(void) { struct device_node *np; @@ -168,7 +314,10 @@ static int __init of_selftest(void) pr_info("start of selftest - you will see error messages\n"); of_selftest_parse_phandle_with_args(); of_selftest_property_match_string(); - pr_info("end of selftest - %s\n", selftest_passed ? "PASS" : "FAIL"); + of_selftest_parse_interrupts(); + of_selftest_parse_interrupts_extended(); + pr_info("end of selftest - %i passed, %i failed\n", + selftest_results.passed, selftest_results.failed); return 0; } late_initcall(of_selftest); diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c index 729d5a1..07ddb3a 100644 --- a/drivers/pci/host/pci-mvebu.c +++ b/drivers/pci/host/pci-mvebu.c @@ -645,19 +645,6 @@ static int __init mvebu_pcie_setup(int nr, struct pci_sys_data *sys) return 1; } -static int __init mvebu_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) -{ - struct of_irq oirq; - int ret; - - ret = of_irq_map_pci(dev, &oirq); - if (ret) - return ret; - - return irq_create_of_mapping(oirq.controller, oirq.specifier, - oirq.size); -} - static struct pci_bus *mvebu_pcie_scan_bus(int nr, struct pci_sys_data *sys) { struct mvebu_pcie *pcie = sys_to_pcie(sys); @@ -706,7 +693,7 @@ static void __init mvebu_pcie_enable(struct mvebu_pcie *pcie) hw.private_data = (void **)&pcie; hw.setup = mvebu_pcie_setup; hw.scan = mvebu_pcie_scan_bus; - hw.map_irq = mvebu_pcie_map_irq; + hw.map_irq = of_irq_parse_and_map_pci; hw.ops = &mvebu_pcie_ops; hw.align_resource = mvebu_pcie_align_resource; diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c index a138965..b8fcc38 100644 --- a/drivers/pinctrl/pinconf.c +++ b/drivers/pinctrl/pinconf.c @@ -490,7 +490,7 @@ exit: * <devicename> <state> <pinname> are values that should match the pinctrl-maps * <newvalue> reflects the new config and is driver dependant */ -static int pinconf_dbg_config_write(struct file *file, +static ssize_t pinconf_dbg_config_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { struct pinctrl_maps *maps_node; @@ -508,7 +508,7 @@ static int pinconf_dbg_config_write(struct file *file, int i; /* Get userspace string and assure termination */ - buf_size = min(count, (size_t)(sizeof(buf)-1)); + buf_size = min(count, sizeof(buf) - 1); if (copy_from_user(buf, user_buf, buf_size)) return -EFAULT; buf[buf_size] = 0; diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c index 2689f8d..155b1b3 100644 --- a/drivers/pinctrl/pinctrl-exynos.c +++ b/drivers/pinctrl/pinctrl-exynos.c @@ -663,18 +663,18 @@ static void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata) /* pin banks of s5pv210 pin-controller */ static struct samsung_pin_bank s5pv210_pin_bank[] = { EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00), - EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04), + EXYNOS_PIN_BANK_EINTG(4, 0x020, "gpa1", 0x04), EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpb", 0x08), EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpc0", 0x0c), EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpc1", 0x10), EXYNOS_PIN_BANK_EINTG(4, 0x0a0, "gpd0", 0x14), - EXYNOS_PIN_BANK_EINTG(4, 0x0c0, "gpd1", 0x18), - EXYNOS_PIN_BANK_EINTG(5, 0x0e0, "gpe0", 0x1c), - EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpe1", 0x20), - EXYNOS_PIN_BANK_EINTG(6, 0x120, "gpf0", 0x24), + EXYNOS_PIN_BANK_EINTG(6, 0x0c0, "gpd1", 0x18), + EXYNOS_PIN_BANK_EINTG(8, 0x0e0, "gpe0", 0x1c), + EXYNOS_PIN_BANK_EINTG(5, 0x100, "gpe1", 0x20), + EXYNOS_PIN_BANK_EINTG(8, 0x120, "gpf0", 0x24), EXYNOS_PIN_BANK_EINTG(8, 0x140, "gpf1", 0x28), EXYNOS_PIN_BANK_EINTG(8, 0x160, "gpf2", 0x2c), - EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpf3", 0x30), + EXYNOS_PIN_BANK_EINTG(6, 0x180, "gpf3", 0x30), EXYNOS_PIN_BANK_EINTG(7, 0x1a0, "gpg0", 0x34), EXYNOS_PIN_BANK_EINTG(7, 0x1c0, "gpg1", 0x38), EXYNOS_PIN_BANK_EINTG(7, 0x1e0, "gpg2", 0x3c), diff --git a/drivers/pinctrl/pinctrl-palmas.c b/drivers/pinctrl/pinctrl-palmas.c index 82638fa..30c4d35 100644 --- a/drivers/pinctrl/pinctrl-palmas.c +++ b/drivers/pinctrl/pinctrl-palmas.c @@ -891,9 +891,10 @@ static int palmas_pinconf_set(struct pinctrl_dev *pctldev, param = pinconf_to_config_param(configs[i]); param_val = pinconf_to_config_argument(configs[i]); + if (param == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT) + continue; + switch (param) { - case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT: - return 0; case PIN_CONFIG_BIAS_DISABLE: case PIN_CONFIG_BIAS_PULL_UP: case PIN_CONFIG_BIAS_PULL_DOWN: diff --git a/drivers/pinctrl/pinctrl-tegra114.c b/drivers/pinctrl/pinctrl-tegra114.c index 622c485..93c9e38 100644 --- a/drivers/pinctrl/pinctrl-tegra114.c +++ b/drivers/pinctrl/pinctrl-tegra114.c @@ -3,7 +3,7 @@ * * Copyright (c) 2012-2013, NVIDIA CORPORATION. All rights reserved. * - * Arthur: Pritesh Raithatha <praithatha@nvidia.com> + * Author: Pritesh Raithatha <praithatha@nvidia.com> * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, @@ -2763,7 +2763,6 @@ static struct platform_driver tegra114_pinctrl_driver = { }; module_platform_driver(tegra114_pinctrl_driver); -MODULE_ALIAS("platform:tegra114-pinctrl"); MODULE_AUTHOR("Pritesh Raithatha <praithatha@nvidia.com>"); -MODULE_DESCRIPTION("NVIDIA Tegra114 pincontrol driver"); +MODULE_DESCRIPTION("NVIDIA Tegra114 pinctrl driver"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c index 1a78163..b9f2653 100644 --- a/drivers/regulator/da9063-regulator.c +++ b/drivers/regulator/da9063-regulator.c @@ -709,7 +709,7 @@ static struct da9063_regulators_pdata *da9063_parse_regulators_dt( struct of_regulator_match **da9063_reg_matches) { da9063_reg_matches = NULL; - return PTR_ERR(-ENODEV); + return ERR_PTR(-ENODEV); } #endif diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index 488dfe7..7e2b165 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -201,13 +201,7 @@ static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500}; #define SMPS_CTRL_MODE_ECO 0x02 #define SMPS_CTRL_MODE_PWM 0x03 -/* These values are derived from the data sheet. And are the number of steps - * where there is a voltage change, the ranges at beginning and end of register - * max/min values where there are no change are ommitted. - * - * So they are basically (maxV-minV)/stepV - */ -#define PALMAS_SMPS_NUM_VOLTAGES 117 +#define PALMAS_SMPS_NUM_VOLTAGES 122 #define PALMAS_SMPS10_NUM_VOLTAGES 2 #define PALMAS_LDO_NUM_VOLTAGES 50 @@ -979,6 +973,7 @@ static int palmas_regulators_probe(struct platform_device *pdev) pmic->desc[id].min_uV = 900000; pmic->desc[id].uV_step = 50000; pmic->desc[id].linear_min_sel = 1; + pmic->desc[id].enable_time = 500; pmic->desc[id].vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, palmas_regs_info[id].vsel_addr); @@ -997,6 +992,11 @@ static int palmas_regulators_probe(struct platform_device *pdev) pmic->desc[id].min_uV = 450000; pmic->desc[id].uV_step = 25000; } + + /* LOD6 in vibrator mode will have enable time 2000us */ + if (pdata && pdata->ldo6_vibrator && + (id == PALMAS_REG_LDO6)) + pmic->desc[id].enable_time = 2000; } else { pmic->desc[id].n_voltages = 1; pmic->desc[id].ops = &palmas_ops_extreg; diff --git a/drivers/regulator/ti-abb-regulator.c b/drivers/regulator/ti-abb-regulator.c index d8e3e12..20c271d 100644 --- a/drivers/regulator/ti-abb-regulator.c +++ b/drivers/regulator/ti-abb-regulator.c @@ -279,8 +279,12 @@ static int ti_abb_set_opp(struct regulator_dev *rdev, struct ti_abb *abb, ti_abb_rmw(regs->opp_sel_mask, info->opp_sel, regs->control_reg, abb->base); - /* program LDO VBB vset override if needed */ - if (abb->ldo_base) + /* + * program LDO VBB vset override if needed for !bypass mode + * XXX: Do not switch sequence - for !bypass, LDO override reset *must* + * be performed *before* switch to bias mode else VBB glitches. + */ + if (abb->ldo_base && info->opp_sel != TI_ABB_NOMINAL_OPP) ti_abb_program_ldovbb(dev, abb, info); /* Initiate ABB ldo change */ @@ -295,6 +299,14 @@ static int ti_abb_set_opp(struct regulator_dev *rdev, struct ti_abb *abb, if (ret) goto out; + /* + * Reset LDO VBB vset override bypass mode + * XXX: Do not switch sequence - for bypass, LDO override reset *must* + * be performed *after* switch to bypass else VBB glitches. + */ + if (abb->ldo_base && info->opp_sel == TI_ABB_NOMINAL_OPP) + ti_abb_program_ldovbb(dev, abb, info); + out: return ret; } diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c index 1432b26..2205fbc 100644 --- a/drivers/regulator/wm831x-ldo.c +++ b/drivers/regulator/wm831x-ldo.c @@ -63,7 +63,7 @@ static irqreturn_t wm831x_ldo_uv_irq(int irq, void *data) */ static const struct regulator_linear_range wm831x_gp_ldo_ranges[] = { - { .min_uV = 900000, .max_uV = 1650000, .min_sel = 0, .max_sel = 14, + { .min_uV = 900000, .max_uV = 1600000, .min_sel = 0, .max_sel = 14, .uV_step = 50000 }, { .min_uV = 1700000, .max_uV = 3300000, .min_sel = 15, .max_sel = 31, .uV_step = 100000 }, @@ -332,7 +332,7 @@ static struct platform_driver wm831x_gp_ldo_driver = { */ static const struct regulator_linear_range wm831x_aldo_ranges[] = { - { .min_uV = 1000000, .max_uV = 1650000, .min_sel = 0, .max_sel = 12, + { .min_uV = 1000000, .max_uV = 1600000, .min_sel = 0, .max_sel = 12, .uV_step = 50000 }, { .min_uV = 1700000, .max_uV = 3500000, .min_sel = 13, .max_sel = 31, .uV_step = 100000 }, diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index 835b5f0..61ca929 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c @@ -543,7 +543,7 @@ static int wm8350_dcdc_set_suspend_mode(struct regulator_dev *rdev, } static const struct regulator_linear_range wm8350_ldo_ranges[] = { - { .min_uV = 900000, .max_uV = 1750000, .min_sel = 0, .max_sel = 15, + { .min_uV = 900000, .max_uV = 1650000, .min_sel = 0, .max_sel = 15, .uV_step = 50000 }, { .min_uV = 1800000, .max_uV = 3300000, .min_sel = 16, .max_sel = 31, .uV_step = 100000 }, diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c index 8cd34bf..77df9cb 100644 --- a/drivers/s390/char/sclp_cmd.c +++ b/drivers/s390/char/sclp_cmd.c @@ -145,9 +145,11 @@ bool __init sclp_has_linemode(void) if (sccb->header.response_code != 0x20) return 0; - if (sccb->sclp_send_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK)) - return 1; - return 0; + if (!(sccb->sclp_send_mask & (EVTYP_OPCMD_MASK | EVTYP_PMSGCMD_MASK))) + return 0; + if (!(sccb->sclp_receive_mask & (EVTYP_MSG_MASK | EVTYP_PMSGCMD_MASK))) + return 0; + return 1; } bool __init sclp_has_vt220(void) diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c index a0f47c8..3f4ca4e 100644 --- a/drivers/s390/char/tty3270.c +++ b/drivers/s390/char/tty3270.c @@ -810,7 +810,7 @@ static void tty3270_resize_work(struct work_struct *work) struct winsize ws; screen = tty3270_alloc_screen(tp->n_rows, tp->n_cols); - if (!screen) + if (IS_ERR(screen)) return; /* Switch to new output size */ spin_lock_bh(&tp->view.lock); diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c index fd7cc56..d4ac60b 100644 --- a/drivers/spi/spi-atmel.c +++ b/drivers/spi/spi-atmel.c @@ -1583,7 +1583,7 @@ static int atmel_spi_probe(struct platform_device *pdev) /* Initialize the hardware */ ret = clk_prepare_enable(clk); if (ret) - goto out_unmap_regs; + goto out_free_irq; spi_writel(as, CR, SPI_BIT(SWRST)); spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */ if (as->caps.has_wdrbt) { @@ -1614,6 +1614,7 @@ out_free_dma: spi_writel(as, CR, SPI_BIT(SWRST)); spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */ clk_disable_unprepare(clk); +out_free_irq: free_irq(irq, master); out_unmap_regs: iounmap(as->regs); diff --git a/drivers/spi/spi-clps711x.c b/drivers/spi/spi-clps711x.c index 5655acf..6416798 100644 --- a/drivers/spi/spi-clps711x.c +++ b/drivers/spi/spi-clps711x.c @@ -226,7 +226,6 @@ static int spi_clps711x_probe(struct platform_device *pdev) dev_name(&pdev->dev), hw); if (ret) { dev_err(&pdev->dev, "Can't request IRQ\n"); - clk_put(hw->spi_clk); goto clk_out; } @@ -247,7 +246,6 @@ err_out: gpio_free(hw->chipselect[i]); spi_master_put(master); - kfree(master); return ret; } @@ -263,7 +261,6 @@ static int spi_clps711x_remove(struct platform_device *pdev) gpio_free(hw->chipselect[i]); spi_unregister_master(master); - kfree(master); return 0; } diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 6cd07d1..4e44575 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -476,15 +476,9 @@ static int dspi_probe(struct platform_device *pdev) master->bus_num = bus_num; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "can't get platform resource\n"); - ret = -EINVAL; - goto out_master_put; - } - dspi->base = devm_ioremap_resource(&pdev->dev, res); - if (!dspi->base) { - ret = -EINVAL; + if (IS_ERR(dspi->base)) { + ret = PTR_ERR(dspi->base); goto out_master_put; } diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c index c1c936c..84e3421 100644 --- a/drivers/spi/spi-fsl-espi.c +++ b/drivers/spi/spi-fsl-espi.c @@ -689,7 +689,7 @@ static int of_fsl_espi_probe(struct platform_device *ofdev) struct device_node *np = ofdev->dev.of_node; struct spi_master *master; struct resource mem; - struct resource irq; + unsigned int irq; int ret = -ENOMEM; ret = of_mpc8xxx_spi_probe(ofdev); @@ -704,13 +704,13 @@ static int of_fsl_espi_probe(struct platform_device *ofdev) if (ret) goto err; - ret = of_irq_to_resource(np, 0, &irq); + irq = irq_of_parse_and_map(np, 0); if (!ret) { ret = -EINVAL; goto err; } - master = fsl_espi_probe(dev, &mem, irq.start); + master = fsl_espi_probe(dev, &mem, irq); if (IS_ERR(master)) { ret = PTR_ERR(master); goto err; diff --git a/drivers/spi/spi-mpc512x-psc.c b/drivers/spi/spi-mpc512x-psc.c index 6148b1d..8dcc143 100644 --- a/drivers/spi/spi-mpc512x-psc.c +++ b/drivers/spi/spi-mpc512x-psc.c @@ -523,8 +523,10 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, psc_num = master->bus_num; snprintf(clk_name, sizeof(clk_name), "psc%d_mclk", psc_num); clk = devm_clk_get(dev, clk_name); - if (IS_ERR(clk)) + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); goto free_irq; + } ret = clk_prepare_enable(clk); if (ret) goto free_irq; diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index 2eb06ee..c1a5067 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -546,8 +546,17 @@ static irqreturn_t ssp_int(int irq, void *dev_id) if (pm_runtime_suspended(&drv_data->pdev->dev)) return IRQ_NONE; - sccr1_reg = read_SSCR1(reg); + /* + * If the device is not yet in RPM suspended state and we get an + * interrupt that is meant for another device, check if status bits + * are all set to one. That means that the device is already + * powered off. + */ status = read_SSSR(reg); + if (status == ~0) + return IRQ_NONE; + + sccr1_reg = read_SSCR1(reg); /* Ignore possible writes if we don't need to write */ if (!(sccr1_reg & SSCR1_TIE)) diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 512b8893..a80376d 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -1428,6 +1428,8 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) S3C64XX_SPI_INT_TX_OVERRUN_EN | S3C64XX_SPI_INT_TX_UNDERRUN_EN, sdd->regs + S3C64XX_SPI_INT_EN); + pm_runtime_enable(&pdev->dev); + if (spi_register_master(master)) { dev_err(&pdev->dev, "cannot register SPI master\n"); ret = -EBUSY; @@ -1440,8 +1442,6 @@ static int s3c64xx_spi_probe(struct platform_device *pdev) mem_res, sdd->rx_dma.dmach, sdd->tx_dma.dmach); - pm_runtime_enable(&pdev->dev); - return 0; err3: diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c index 0b68cb5..e488a90 100644 --- a/drivers/spi/spi-sh-hspi.c +++ b/drivers/spi/spi-sh-hspi.c @@ -296,6 +296,8 @@ static int hspi_probe(struct platform_device *pdev) goto error1; } + pm_runtime_enable(&pdev->dev); + master->num_chipselect = 1; master->bus_num = pdev->id; master->setup = hspi_setup; @@ -309,8 +311,6 @@ static int hspi_probe(struct platform_device *pdev) goto error1; } - pm_runtime_enable(&pdev->dev); - return 0; error1: diff --git a/drivers/staging/comedi/drivers/ni_65xx.c b/drivers/staging/comedi/drivers/ni_65xx.c index 3ba4c57..853f62b 100644 --- a/drivers/staging/comedi/drivers/ni_65xx.c +++ b/drivers/staging/comedi/drivers/ni_65xx.c @@ -369,28 +369,23 @@ static int ni_65xx_dio_insn_bits(struct comedi_device *dev, { const struct ni_65xx_board *board = comedi_board(dev); struct ni_65xx_private *devpriv = dev->private; - unsigned base_bitfield_channel; - const unsigned max_ports_per_bitfield = 5; + int base_bitfield_channel; unsigned read_bits = 0; - unsigned j; + int last_port_offset = ni_65xx_port_by_channel(s->n_chan - 1); + int port_offset; base_bitfield_channel = CR_CHAN(insn->chanspec); - for (j = 0; j < max_ports_per_bitfield; ++j) { - const unsigned port_offset = - ni_65xx_port_by_channel(base_bitfield_channel) + j; - const unsigned port = - sprivate(s)->base_port + port_offset; - unsigned base_port_channel; + for (port_offset = ni_65xx_port_by_channel(base_bitfield_channel); + port_offset <= last_port_offset; port_offset++) { + unsigned port = sprivate(s)->base_port + port_offset; + int base_port_channel = port_offset * ni_65xx_channels_per_port; unsigned port_mask, port_data, port_read_bits; - int bitshift; - if (port >= ni_65xx_total_num_ports(board)) + int bitshift = base_port_channel - base_bitfield_channel; + + if (bitshift >= 32) break; - base_port_channel = port_offset * ni_65xx_channels_per_port; port_mask = data[0]; port_data = data[1]; - bitshift = base_port_channel - base_bitfield_channel; - if (bitshift >= 32 || bitshift <= -32) - break; if (bitshift > 0) { port_mask >>= bitshift; port_data >>= bitshift; diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 35b61f7..38e44b9 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -753,7 +753,8 @@ static void iscsit_unmap_iovec(struct iscsi_cmd *cmd) static void iscsit_ack_from_expstatsn(struct iscsi_conn *conn, u32 exp_statsn) { - struct iscsi_cmd *cmd; + LIST_HEAD(ack_list); + struct iscsi_cmd *cmd, *cmd_p; conn->exp_statsn = exp_statsn; @@ -761,19 +762,23 @@ static void iscsit_ack_from_expstatsn(struct iscsi_conn *conn, u32 exp_statsn) return; spin_lock_bh(&conn->cmd_lock); - list_for_each_entry(cmd, &conn->conn_cmd_list, i_conn_node) { + list_for_each_entry_safe(cmd, cmd_p, &conn->conn_cmd_list, i_conn_node) { spin_lock(&cmd->istate_lock); if ((cmd->i_state == ISTATE_SENT_STATUS) && iscsi_sna_lt(cmd->stat_sn, exp_statsn)) { cmd->i_state = ISTATE_REMOVE; spin_unlock(&cmd->istate_lock); - iscsit_add_cmd_to_immediate_queue(cmd, conn, - cmd->i_state); + list_move_tail(&cmd->i_conn_node, &ack_list); continue; } spin_unlock(&cmd->istate_lock); } spin_unlock_bh(&conn->cmd_lock); + + list_for_each_entry_safe(cmd, cmd_p, &ack_list, i_conn_node) { + list_del(&cmd->i_conn_node); + iscsit_free_cmd(cmd, false); + } } static int iscsit_allocate_iovecs(struct iscsi_cmd *cmd) diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 14d1aed5..ef6d836 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -1192,7 +1192,7 @@ get_target: */ alloc_tags: tag_num = max_t(u32, ISCSIT_MIN_TAGS, queue_depth); - tag_num += ISCSIT_EXTRA_TAGS; + tag_num += (tag_num / 2) + ISCSIT_EXTRA_TAGS; tag_size = sizeof(struct iscsi_cmd) + conn->conn_transport->priv_size; ret = transport_alloc_session_tags(sess->se_sess, tag_num, tag_size); diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index f2de28e..b0cac0c 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -736,7 +736,7 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown) * Fallthrough */ case ISCSI_OP_SCSI_TMFUNC: - rc = transport_generic_free_cmd(&cmd->se_cmd, 1); + rc = transport_generic_free_cmd(&cmd->se_cmd, shutdown); if (!rc && shutdown && se_cmd && se_cmd->se_sess) { __iscsit_free_cmd(cmd, true, shutdown); target_put_sess_cmd(se_cmd->se_sess, se_cmd); @@ -752,7 +752,7 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown) se_cmd = &cmd->se_cmd; __iscsit_free_cmd(cmd, true, shutdown); - rc = transport_generic_free_cmd(&cmd->se_cmd, 1); + rc = transport_generic_free_cmd(&cmd->se_cmd, shutdown); if (!rc && shutdown && se_cmd->se_sess) { __iscsit_free_cmd(cmd, true, shutdown); target_put_sess_cmd(se_cmd->se_sess, se_cmd); diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 6c17295..4714c6f 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -349,7 +349,16 @@ static sense_reason_t compare_and_write_post(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; - cmd->se_cmd_flags |= SCF_COMPARE_AND_WRITE_POST; + /* + * Only set SCF_COMPARE_AND_WRITE_POST to force a response fall-through + * within target_complete_ok_work() if the command was successfully + * sent to the backend driver. + */ + spin_lock_irq(&cmd->t_state_lock); + if ((cmd->transport_state & CMD_T_SENT) && !cmd->scsi_status) + cmd->se_cmd_flags |= SCF_COMPARE_AND_WRITE_POST; + spin_unlock_irq(&cmd->t_state_lock); + /* * Unlock ->caw_sem originally obtained during sbc_compare_and_write() * before the original READ I/O submission. @@ -363,7 +372,7 @@ static sense_reason_t compare_and_write_callback(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; struct scatterlist *write_sg = NULL, *sg; - unsigned char *buf, *addr; + unsigned char *buf = NULL, *addr; struct sg_mapping_iter m; unsigned int offset = 0, len; unsigned int nlbas = cmd->t_task_nolb; @@ -378,6 +387,15 @@ static sense_reason_t compare_and_write_callback(struct se_cmd *cmd) */ if (!cmd->t_data_sg || !cmd->t_bidi_data_sg) return TCM_NO_SENSE; + /* + * Immediately exit + release dev->caw_sem if command has already + * been failed with a non-zero SCSI status. + */ + if (cmd->scsi_status) { + pr_err("compare_and_write_callback: non zero scsi_status:" + " 0x%02x\n", cmd->scsi_status); + goto out; + } buf = kzalloc(cmd->data_length, GFP_KERNEL); if (!buf) { @@ -508,6 +526,12 @@ sbc_compare_and_write(struct se_cmd *cmd) cmd->transport_complete_callback = NULL; return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; } + /* + * Reset cmd->data_length to individual block_size in order to not + * confuse backend drivers that depend on this value matching the + * size of the I/O being submitted. + */ + cmd->data_length = cmd->t_task_nolb * dev->dev_attrib.block_size; ret = cmd->execute_rw(cmd, cmd->t_bidi_data_sg, cmd->t_bidi_data_nents, DMA_FROM_DEVICE); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 84747cc..81e945e 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -236,17 +236,24 @@ int transport_alloc_session_tags(struct se_session *se_sess, { int rc; - se_sess->sess_cmd_map = kzalloc(tag_num * tag_size, GFP_KERNEL); + se_sess->sess_cmd_map = kzalloc(tag_num * tag_size, + GFP_KERNEL | __GFP_NOWARN | __GFP_REPEAT); if (!se_sess->sess_cmd_map) { - pr_err("Unable to allocate se_sess->sess_cmd_map\n"); - return -ENOMEM; + se_sess->sess_cmd_map = vzalloc(tag_num * tag_size); + if (!se_sess->sess_cmd_map) { + pr_err("Unable to allocate se_sess->sess_cmd_map\n"); + return -ENOMEM; + } } rc = percpu_ida_init(&se_sess->sess_tag_pool, tag_num); if (rc < 0) { pr_err("Unable to init se_sess->sess_tag_pool," " tag_num: %u\n", tag_num); - kfree(se_sess->sess_cmd_map); + if (is_vmalloc_addr(se_sess->sess_cmd_map)) + vfree(se_sess->sess_cmd_map); + else + kfree(se_sess->sess_cmd_map); se_sess->sess_cmd_map = NULL; return -ENOMEM; } @@ -412,7 +419,10 @@ void transport_free_session(struct se_session *se_sess) { if (se_sess->sess_cmd_map) { percpu_ida_destroy(&se_sess->sess_tag_pool); - kfree(se_sess->sess_cmd_map); + if (is_vmalloc_addr(se_sess->sess_cmd_map)) + vfree(se_sess->sess_cmd_map); + else + kfree(se_sess->sess_cmd_map); } kmem_cache_free(se_sess_cache, se_sess); } diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c index 4d22e7d..3da4fd1 100644 --- a/drivers/target/target_core_xcopy.c +++ b/drivers/target/target_core_xcopy.c @@ -298,8 +298,8 @@ static int target_xcopy_parse_segdesc_02(struct se_cmd *se_cmd, struct xcopy_op (unsigned long long)xop->dst_lba); if (dc != 0) { - xop->dbl = (desc[29] << 16) & 0xff; - xop->dbl |= (desc[30] << 8) & 0xff; + xop->dbl = (desc[29] & 0xff) << 16; + xop->dbl |= (desc[30] & 0xff) << 8; xop->dbl |= desc[31] & 0xff; pr_debug("XCOPY seg desc 0x02: DC=1 w/ dbl: %u\n", xop->dbl); diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index e61c36c..c193af6 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -636,6 +636,7 @@ struct console xenboot_console = { .name = "xenboot", .write = xenboot_write_console, .flags = CON_PRINTBUFFER | CON_BOOT | CON_ANYTIME, + .index = -1, }; #endif /* CONFIG_EARLY_PRINTK */ diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 01bf5eb..7a744b6 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -2183,28 +2183,34 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file, if (!input_available_p(tty, 0)) { if (test_bit(TTY_OTHER_CLOSED, &tty->flags)) { - retval = -EIO; - break; - } - if (tty_hung_up_p(file)) - break; - if (!timeout) - break; - if (file->f_flags & O_NONBLOCK) { - retval = -EAGAIN; - break; - } - if (signal_pending(current)) { - retval = -ERESTARTSYS; - break; - } - n_tty_set_room(tty); - up_read(&tty->termios_rwsem); + up_read(&tty->termios_rwsem); + tty_flush_to_ldisc(tty); + down_read(&tty->termios_rwsem); + if (!input_available_p(tty, 0)) { + retval = -EIO; + break; + } + } else { + if (tty_hung_up_p(file)) + break; + if (!timeout) + break; + if (file->f_flags & O_NONBLOCK) { + retval = -EAGAIN; + break; + } + if (signal_pending(current)) { + retval = -ERESTARTSYS; + break; + } + n_tty_set_room(tty); + up_read(&tty->termios_rwsem); - timeout = schedule_timeout(timeout); + timeout = schedule_timeout(timeout); - down_read(&tty->termios_rwsem); - continue; + down_read(&tty->termios_rwsem); + continue; + } } __set_current_state(TASK_RUNNING); diff --git a/drivers/tty/serial/cpm_uart/cpm_uart_core.c b/drivers/tty/serial/cpm_uart/cpm_uart_core.c index 9f7ba6d..7d76214 100644 --- a/drivers/tty/serial/cpm_uart/cpm_uart_core.c +++ b/drivers/tty/serial/cpm_uart/cpm_uart_core.c @@ -1209,7 +1209,7 @@ static int cpm_uart_init_port(struct device_node *np, pinfo->port.fifosize = pinfo->tx_nrfifos * pinfo->tx_fifosize; spin_lock_init(&pinfo->port.lock); - pinfo->port.irq = of_irq_to_resource(np, 0, NULL); + pinfo->port.irq = irq_of_parse_and_map(np, 0); if (pinfo->port.irq == NO_IRQ) { ret = -EINVAL; goto out_pram; diff --git a/drivers/usb/chipidea/ci_hdrc_pci.c b/drivers/usb/chipidea/ci_hdrc_pci.c index 042320a..d514332 100644 --- a/drivers/usb/chipidea/ci_hdrc_pci.c +++ b/drivers/usb/chipidea/ci_hdrc_pci.c @@ -129,7 +129,12 @@ static DEFINE_PCI_DEVICE_TABLE(ci_hdrc_pci_id_table) = { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x0829), .driver_data = (kernel_ulong_t)&penwell_pci_platdata, }, - { 0, 0, 0, 0, 0, 0, 0 /* end: all zeroes */ } + { + /* Intel Clovertrail */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xe006), + .driver_data = (kernel_ulong_t)&penwell_pci_platdata, + }, + { 0 } /* end: all zeroes */ }; MODULE_DEVICE_TABLE(pci, ci_hdrc_pci_id_table); diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 0658908..44cf775 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -2256,6 +2256,8 @@ static int ffs_func_bind(struct usb_configuration *c, data->raw_descs + ret, (sizeof data->raw_descs) - ret, __ffs_func_bind_do_descs, func); + if (unlikely(ret < 0)) + goto error; } /* diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c index cc92074..0ac6064 100644 --- a/drivers/usb/gadget/pxa25x_udc.c +++ b/drivers/usb/gadget/pxa25x_udc.c @@ -2054,7 +2054,7 @@ static struct pxa25x_udc memory = { /* * probe - binds to the platform device */ -static int __init pxa25x_udc_probe(struct platform_device *pdev) +static int pxa25x_udc_probe(struct platform_device *pdev) { struct pxa25x_udc *dev = &memory; int retval, irq; @@ -2203,7 +2203,7 @@ static void pxa25x_udc_shutdown(struct platform_device *_dev) pullup_off(); } -static int __exit pxa25x_udc_remove(struct platform_device *pdev) +static int pxa25x_udc_remove(struct platform_device *pdev) { struct pxa25x_udc *dev = platform_get_drvdata(pdev); @@ -2294,7 +2294,8 @@ static int pxa25x_udc_resume(struct platform_device *dev) static struct platform_driver udc_driver = { .shutdown = pxa25x_udc_shutdown, - .remove = __exit_p(pxa25x_udc_remove), + .probe = pxa25x_udc_probe, + .remove = pxa25x_udc_remove, .suspend = pxa25x_udc_suspend, .resume = pxa25x_udc_resume, .driver = { @@ -2303,7 +2304,7 @@ static struct platform_driver udc_driver = { }, }; -module_platform_driver_probe(udc_driver, pxa25x_udc_probe); +module_platform_driver(udc_driver); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_AUTHOR("Frank Becker, Robert Schwebel, David Brownell"); diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index 6bddf1a..a8a99e4 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -543,7 +543,7 @@ static int s3c_hsotg_write_fifo(struct s3c_hsotg *hsotg, * FIFO, requests of >512 cause the endpoint to get stuck with a * fragment of the end of the transfer in it. */ - if (can_write > 512) + if (can_write > 512 && !periodic) can_write = 512; /* diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 4047cbb..bd4138d 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -535,6 +535,9 @@ static int dsps_probe(struct platform_device *pdev) struct dsps_glue *glue; int ret; + if (!strcmp(pdev->name, "musb-hdrc")) + return -ENODEV; + match = of_match_node(musb_dsps_of_match, pdev->dev.of_node); if (!match) { dev_err(&pdev->dev, "fail to get matching of_match struct\n"); diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 9a08679..b19ed21 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -1790,6 +1790,10 @@ int musb_gadget_setup(struct musb *musb) musb->g.max_speed = USB_SPEED_HIGH; musb->g.speed = USB_SPEED_UNKNOWN; + MUSB_DEV_MODE(musb); + musb->xceiv->otg->default_a = 0; + musb->xceiv->state = OTG_STATE_B_IDLE; + /* this "gadget" abstracts/virtualizes the controller */ musb->g.name = musb_driver_name; musb->g.is_otg = 1; @@ -1849,7 +1853,6 @@ static int musb_gadget_start(struct usb_gadget *g, musb->gadget_driver = driver; spin_lock_irqsave(&musb->lock, flags); - musb->is_active = 1; otg_set_peripheral(otg, &musb->g); musb->xceiv->state = OTG_STATE_B_IDLE; diff --git a/drivers/usb/phy/phy-gpio-vbus-usb.c b/drivers/usb/phy/phy-gpio-vbus-usb.c index b2f29c9..02799a5 100644 --- a/drivers/usb/phy/phy-gpio-vbus-usb.c +++ b/drivers/usb/phy/phy-gpio-vbus-usb.c @@ -241,7 +241,7 @@ static int gpio_vbus_set_suspend(struct usb_phy *phy, int suspend) /* platform driver interface */ -static int __init gpio_vbus_probe(struct platform_device *pdev) +static int gpio_vbus_probe(struct platform_device *pdev) { struct gpio_vbus_mach_info *pdata = dev_get_platdata(&pdev->dev); struct gpio_vbus_data *gpio_vbus; @@ -349,7 +349,7 @@ err_gpio: return err; } -static int __exit gpio_vbus_remove(struct platform_device *pdev) +static int gpio_vbus_remove(struct platform_device *pdev) { struct gpio_vbus_data *gpio_vbus = platform_get_drvdata(pdev); struct gpio_vbus_mach_info *pdata = dev_get_platdata(&pdev->dev); @@ -398,8 +398,6 @@ static const struct dev_pm_ops gpio_vbus_dev_pm_ops = { }; #endif -/* NOTE: the gpio-vbus device may *NOT* be hotplugged */ - MODULE_ALIAS("platform:gpio-vbus"); static struct platform_driver gpio_vbus_driver = { @@ -410,10 +408,11 @@ static struct platform_driver gpio_vbus_driver = { .pm = &gpio_vbus_dev_pm_ops, #endif }, - .remove = __exit_p(gpio_vbus_remove), + .probe = gpio_vbus_probe, + .remove = gpio_vbus_remove, }; -module_platform_driver_probe(gpio_vbus_driver, gpio_vbus_probe); +module_platform_driver(gpio_vbus_driver); MODULE_DESCRIPTION("simple GPIO controlled OTG transceiver driver"); MODULE_AUTHOR("Philipp Zabel"); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 1cf6f12..80a7104 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -81,6 +81,7 @@ static void option_instat_callback(struct urb *urb); #define HUAWEI_VENDOR_ID 0x12D1 #define HUAWEI_PRODUCT_E173 0x140C +#define HUAWEI_PRODUCT_E1750 0x1406 #define HUAWEI_PRODUCT_K4505 0x1464 #define HUAWEI_PRODUCT_K3765 0x1465 #define HUAWEI_PRODUCT_K4605 0x14C6 @@ -567,6 +568,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1c23, USB_CLASS_COMM, 0x02, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E173, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t) &net_intf1_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E1750, 0xff, 0xff, 0xff), + .driver_info = (kernel_ulong_t) &net_intf2_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1441, USB_CLASS_COMM, 0x02, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, 0x1442, USB_CLASS_COMM, 0x02, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_K4505, 0xff, 0xff, 0xff), diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 592b316..ce5221f 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -728,7 +728,12 @@ vhost_scsi_get_tag(struct vhost_virtqueue *vq, } se_sess = tv_nexus->tvn_se_sess; - tag = percpu_ida_alloc(&se_sess->sess_tag_pool, GFP_KERNEL); + tag = percpu_ida_alloc(&se_sess->sess_tag_pool, GFP_ATOMIC); + if (tag < 0) { + pr_err("Unable to obtain tag for tcm_vhost_cmd\n"); + return ERR_PTR(-ENOMEM); + } + cmd = &((struct tcm_vhost_cmd *)se_sess->sess_cmd_map)[tag]; sg = cmd->tvc_sgl; pages = cmd->tvc_upages; diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 5be5e3d..19f3c3f 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -802,6 +802,12 @@ static int hpwdt_init_one(struct pci_dev *dev, return -ENODEV; } + /* + * Ignore all auxilary iLO devices with the following PCI ID + */ + if (dev->subsystem_device == 0x1979) + return -ENODEV; + if (pci_enable_device(dev)) { dev_warn(&dev->dev, "Not possible to enable PCI Device: 0x%x:0x%x.\n", diff --git a/drivers/watchdog/kempld_wdt.c b/drivers/watchdog/kempld_wdt.c index 491419e..5c3d4df 100644 --- a/drivers/watchdog/kempld_wdt.c +++ b/drivers/watchdog/kempld_wdt.c @@ -35,7 +35,7 @@ #define KEMPLD_WDT_STAGE_TIMEOUT(x) (0x1b + (x) * 4) #define KEMPLD_WDT_STAGE_CFG(x) (0x18 + (x)) #define STAGE_CFG_GET_PRESCALER(x) (((x) & 0x30) >> 4) -#define STAGE_CFG_SET_PRESCALER(x) (((x) & 0x30) << 4) +#define STAGE_CFG_SET_PRESCALER(x) (((x) & 0x3) << 4) #define STAGE_CFG_PRESCALER_MASK 0x30 #define STAGE_CFG_ACTION_MASK 0x7 #define STAGE_CFG_ASSERT (1 << 3) diff --git a/drivers/watchdog/sunxi_wdt.c b/drivers/watchdog/sunxi_wdt.c index 1f94b42..f6caa771 100644 --- a/drivers/watchdog/sunxi_wdt.c +++ b/drivers/watchdog/sunxi_wdt.c @@ -146,7 +146,7 @@ static const struct watchdog_ops sunxi_wdt_ops = { .set_timeout = sunxi_wdt_set_timeout, }; -static int __init sunxi_wdt_probe(struct platform_device *pdev) +static int sunxi_wdt_probe(struct platform_device *pdev) { struct sunxi_wdt_dev *sunxi_wdt; struct resource *res; @@ -187,7 +187,7 @@ static int __init sunxi_wdt_probe(struct platform_device *pdev) return 0; } -static int __exit sunxi_wdt_remove(struct platform_device *pdev) +static int sunxi_wdt_remove(struct platform_device *pdev) { struct sunxi_wdt_dev *sunxi_wdt = platform_get_drvdata(pdev); diff --git a/drivers/watchdog/ts72xx_wdt.c b/drivers/watchdog/ts72xx_wdt.c index 42913f1..c9b0c62 100644 --- a/drivers/watchdog/ts72xx_wdt.c +++ b/drivers/watchdog/ts72xx_wdt.c @@ -310,7 +310,8 @@ static long ts72xx_wdt_ioctl(struct file *file, unsigned int cmd, case WDIOC_GETSTATUS: case WDIOC_GETBOOTSTATUS: - return put_user(0, p); + error = put_user(0, p); + break; case WDIOC_KEEPALIVE: ts72xx_wdt_kick(wdt); diff --git a/fs/afs/dir.c b/fs/afs/dir.c index 646337d..5293003 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -600,9 +600,6 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags) /* lock down the parent dentry so we can peer at it */ parent = dget_parent(dentry); - if (!parent->d_inode) - goto out_bad; - dir = AFS_FS_I(parent->d_inode); /* validate the parent directory */ @@ -167,10 +167,25 @@ static int __init aio_setup(void) } __initcall(aio_setup); +static void put_aio_ring_file(struct kioctx *ctx) +{ + struct file *aio_ring_file = ctx->aio_ring_file; + if (aio_ring_file) { + truncate_setsize(aio_ring_file->f_inode, 0); + + /* Prevent further access to the kioctx from migratepages */ + spin_lock(&aio_ring_file->f_inode->i_mapping->private_lock); + aio_ring_file->f_inode->i_mapping->private_data = NULL; + ctx->aio_ring_file = NULL; + spin_unlock(&aio_ring_file->f_inode->i_mapping->private_lock); + + fput(aio_ring_file); + } +} + static void aio_free_ring(struct kioctx *ctx) { int i; - struct file *aio_ring_file = ctx->aio_ring_file; for (i = 0; i < ctx->nr_pages; i++) { pr_debug("pid(%d) [%d] page->count=%d\n", current->pid, i, @@ -178,14 +193,10 @@ static void aio_free_ring(struct kioctx *ctx) put_page(ctx->ring_pages[i]); } + put_aio_ring_file(ctx); + if (ctx->ring_pages && ctx->ring_pages != ctx->internal_pages) kfree(ctx->ring_pages); - - if (aio_ring_file) { - truncate_setsize(aio_ring_file->f_inode, 0); - fput(aio_ring_file); - ctx->aio_ring_file = NULL; - } } static int aio_ring_mmap(struct file *file, struct vm_area_struct *vma) @@ -207,9 +218,8 @@ static int aio_set_page_dirty(struct page *page) static int aio_migratepage(struct address_space *mapping, struct page *new, struct page *old, enum migrate_mode mode) { - struct kioctx *ctx = mapping->private_data; + struct kioctx *ctx; unsigned long flags; - unsigned idx = old->index; int rc; /* Writeback must be complete */ @@ -224,10 +234,23 @@ static int aio_migratepage(struct address_space *mapping, struct page *new, get_page(new); - spin_lock_irqsave(&ctx->completion_lock, flags); - migrate_page_copy(new, old); - ctx->ring_pages[idx] = new; - spin_unlock_irqrestore(&ctx->completion_lock, flags); + /* We can potentially race against kioctx teardown here. Use the + * address_space's private data lock to protect the mapping's + * private_data. + */ + spin_lock(&mapping->private_lock); + ctx = mapping->private_data; + if (ctx) { + pgoff_t idx; + spin_lock_irqsave(&ctx->completion_lock, flags); + migrate_page_copy(new, old); + idx = old->index; + if (idx < (pgoff_t)ctx->nr_pages) + ctx->ring_pages[idx] = new; + spin_unlock_irqrestore(&ctx->completion_lock, flags); + } else + rc = -EBUSY; + spin_unlock(&mapping->private_lock); return rc; } @@ -617,8 +640,7 @@ out_freepcpu: out_freeref: free_percpu(ctx->users.pcpu_count); out_freectx: - if (ctx->aio_ring_file) - fput(ctx->aio_ring_file); + put_aio_ring_file(ctx); kmem_cache_free(kioctx_cachep, ctx); pr_debug("error allocating ioctx %d\n", err); return ERR_PTR(err); diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c index 100edcc..4c94a79 100644 --- a/fs/binfmt_elf.c +++ b/fs/binfmt_elf.c @@ -1413,7 +1413,7 @@ static void fill_siginfo_note(struct memelfnote *note, user_siginfo_t *csigdata, * long file_ofs * followed by COUNT filenames in ASCII: "FILE1" NUL "FILE2" NUL... */ -static void fill_files_note(struct memelfnote *note) +static int fill_files_note(struct memelfnote *note) { struct vm_area_struct *vma; unsigned count, size, names_ofs, remaining, n; @@ -1428,11 +1428,11 @@ static void fill_files_note(struct memelfnote *note) names_ofs = (2 + 3 * count) * sizeof(data[0]); alloc: if (size >= MAX_FILE_NOTE_SIZE) /* paranoia check */ - goto err; + return -EINVAL; size = round_up(size, PAGE_SIZE); data = vmalloc(size); if (!data) - goto err; + return -ENOMEM; start_end_ofs = data + 2; name_base = name_curpos = ((char *)data) + names_ofs; @@ -1485,7 +1485,7 @@ static void fill_files_note(struct memelfnote *note) size = name_curpos - (char *)data; fill_note(note, "CORE", NT_FILE, size, data); - err: ; + return 0; } #ifdef CORE_DUMP_USE_REGSET @@ -1686,8 +1686,8 @@ static int fill_note_info(struct elfhdr *elf, int phdrs, fill_auxv_note(&info->auxv, current->mm); info->size += notesize(&info->auxv); - fill_files_note(&info->files); - info->size += notesize(&info->files); + if (fill_files_note(&info->files) == 0) + info->size += notesize(&info->files); return 1; } @@ -1719,7 +1719,8 @@ static int write_note_info(struct elf_note_info *info, return 0; if (first && !writenote(&info->auxv, file, foffset)) return 0; - if (first && !writenote(&info->files, file, foffset)) + if (first && info->files.data && + !writenote(&info->files, file, foffset)) return 0; for (i = 1; i < info->thread_notes; ++i) @@ -1806,6 +1807,7 @@ static int elf_dump_thread_status(long signr, struct elf_thread_status *t) struct elf_note_info { struct memelfnote *notes; + struct memelfnote *notes_files; struct elf_prstatus *prstatus; /* NT_PRSTATUS */ struct elf_prpsinfo *psinfo; /* NT_PRPSINFO */ struct list_head thread_list; @@ -1896,9 +1898,12 @@ static int fill_note_info(struct elfhdr *elf, int phdrs, fill_siginfo_note(info->notes + 2, &info->csigdata, siginfo); fill_auxv_note(info->notes + 3, current->mm); - fill_files_note(info->notes + 4); + info->numnote = 4; - info->numnote = 5; + if (fill_files_note(info->notes + info->numnote) == 0) { + info->notes_files = info->notes + info->numnote; + info->numnote++; + } /* Try to dump the FPU. */ info->prstatus->pr_fpvalid = elf_core_copy_task_fpregs(current, regs, @@ -1960,8 +1965,9 @@ static void free_note_info(struct elf_note_info *info) kfree(list_entry(tmp, struct elf_thread_status, list)); } - /* Free data allocated by fill_files_note(): */ - vfree(info->notes[4].data); + /* Free data possibly allocated by fill_files_note(): */ + if (info->notes_files) + vfree(info->notes_files->data); kfree(info->prstatus); kfree(info->psinfo); @@ -2044,7 +2050,7 @@ static int elf_core_dump(struct coredump_params *cprm) struct vm_area_struct *vma, *gate_vma; struct elfhdr *elf = NULL; loff_t offset = 0, dataoff, foffset; - struct elf_note_info info; + struct elf_note_info info = { }; struct elf_phdr *phdr4note = NULL; struct elf_shdr *shdr4extnum = NULL; Elf_Half e_phnum; diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c index 58b7d14..08cc08f 100644 --- a/fs/btrfs/async-thread.c +++ b/fs/btrfs/async-thread.c @@ -107,7 +107,8 @@ static void check_idle_worker(struct btrfs_worker_thread *worker) worker->idle = 1; /* the list may be empty if the worker is just starting */ - if (!list_empty(&worker->worker_list)) { + if (!list_empty(&worker->worker_list) && + !worker->workers->stopping) { list_move(&worker->worker_list, &worker->workers->idle_list); } @@ -127,7 +128,8 @@ static void check_busy_worker(struct btrfs_worker_thread *worker) spin_lock_irqsave(&worker->workers->lock, flags); worker->idle = 0; - if (!list_empty(&worker->worker_list)) { + if (!list_empty(&worker->worker_list) && + !worker->workers->stopping) { list_move_tail(&worker->worker_list, &worker->workers->worker_list); } @@ -412,6 +414,7 @@ void btrfs_stop_workers(struct btrfs_workers *workers) int can_stop; spin_lock_irq(&workers->lock); + workers->stopping = 1; list_splice_init(&workers->idle_list, &workers->worker_list); while (!list_empty(&workers->worker_list)) { cur = workers->worker_list.next; @@ -455,6 +458,7 @@ void btrfs_init_workers(struct btrfs_workers *workers, char *name, int max, workers->ordered = 0; workers->atomic_start_pending = 0; workers->atomic_worker_start = async_helper; + workers->stopping = 0; } /* @@ -480,15 +484,19 @@ static int __btrfs_start_workers(struct btrfs_workers *workers) atomic_set(&worker->num_pending, 0); atomic_set(&worker->refs, 1); worker->workers = workers; - worker->task = kthread_run(worker_loop, worker, - "btrfs-%s-%d", workers->name, - workers->num_workers + 1); + worker->task = kthread_create(worker_loop, worker, + "btrfs-%s-%d", workers->name, + workers->num_workers + 1); if (IS_ERR(worker->task)) { ret = PTR_ERR(worker->task); - kfree(worker); goto fail; } + spin_lock_irq(&workers->lock); + if (workers->stopping) { + spin_unlock_irq(&workers->lock); + goto fail_kthread; + } list_add_tail(&worker->worker_list, &workers->idle_list); worker->idle = 1; workers->num_workers++; @@ -496,8 +504,13 @@ static int __btrfs_start_workers(struct btrfs_workers *workers) WARN_ON(workers->num_workers_starting < 0); spin_unlock_irq(&workers->lock); + wake_up_process(worker->task); return 0; + +fail_kthread: + kthread_stop(worker->task); fail: + kfree(worker); spin_lock_irq(&workers->lock); workers->num_workers_starting--; spin_unlock_irq(&workers->lock); diff --git a/fs/btrfs/async-thread.h b/fs/btrfs/async-thread.h index 063698b..1f26792 100644 --- a/fs/btrfs/async-thread.h +++ b/fs/btrfs/async-thread.h @@ -107,6 +107,8 @@ struct btrfs_workers { /* extra name for this worker, used for current->name */ char *name; + + int stopping; }; void btrfs_queue_worker(struct btrfs_workers *workers, struct btrfs_work *work); diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index 7068168..9efb94e 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -535,10 +535,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info, list_add(&tgt_device->dev_alloc_list, &fs_info->fs_devices->alloc_list); btrfs_rm_dev_replace_srcdev(fs_info, src_device); - if (src_device->bdev) { - /* zero out the old super */ - btrfs_scratch_superblock(src_device); - } + /* * this is again a consistent state where no dev_replace procedure * is running, the target device is part of the filesystem, the diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 4ae17ed..62176ad8 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1561,8 +1561,9 @@ int btrfs_insert_fs_root(struct btrfs_fs_info *fs_info, return ret; } -struct btrfs_root *btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info, - struct btrfs_key *location) +struct btrfs_root *btrfs_get_fs_root(struct btrfs_fs_info *fs_info, + struct btrfs_key *location, + bool check_ref) { struct btrfs_root *root; int ret; @@ -1586,7 +1587,7 @@ struct btrfs_root *btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info, again: root = btrfs_lookup_fs_root(fs_info, location->objectid); if (root) { - if (btrfs_root_refs(&root->root_item) == 0) + if (check_ref && btrfs_root_refs(&root->root_item) == 0) return ERR_PTR(-ENOENT); return root; } @@ -1595,7 +1596,7 @@ again: if (IS_ERR(root)) return root; - if (btrfs_root_refs(&root->root_item) == 0) { + if (check_ref && btrfs_root_refs(&root->root_item) == 0) { ret = -ENOENT; goto fail; } diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index b71acd6e..5ce2a7d 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -68,8 +68,17 @@ struct btrfs_root *btrfs_read_fs_root(struct btrfs_root *tree_root, int btrfs_init_fs_root(struct btrfs_root *root); int btrfs_insert_fs_root(struct btrfs_fs_info *fs_info, struct btrfs_root *root); -struct btrfs_root *btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info, - struct btrfs_key *location); + +struct btrfs_root *btrfs_get_fs_root(struct btrfs_fs_info *fs_info, + struct btrfs_key *key, + bool check_ref); +static inline struct btrfs_root * +btrfs_read_fs_root_no_name(struct btrfs_fs_info *fs_info, + struct btrfs_key *location) +{ + return btrfs_get_fs_root(fs_info, location, true); +} + int btrfs_cleanup_fs_roots(struct btrfs_fs_info *fs_info); void btrfs_btree_balance_dirty(struct btrfs_root *root); void btrfs_btree_balance_dirty_nodelay(struct btrfs_root *root); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index c09a40d..51731b7 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -145,8 +145,16 @@ int __init extent_io_init(void) offsetof(struct btrfs_io_bio, bio)); if (!btrfs_bioset) goto free_buffer_cache; + + if (bioset_integrity_create(btrfs_bioset, BIO_POOL_SIZE)) + goto free_bioset; + return 0; +free_bioset: + bioset_free(btrfs_bioset); + btrfs_bioset = NULL; + free_buffer_cache: kmem_cache_destroy(extent_buffer_cache); extent_buffer_cache = NULL; @@ -1482,10 +1490,8 @@ static noinline u64 find_delalloc_range(struct extent_io_tree *tree, cur_start = state->end + 1; node = rb_next(node); total_bytes += state->end - state->start + 1; - if (total_bytes >= max_bytes) { - *end = *start + max_bytes - 1; + if (total_bytes >= max_bytes) break; - } if (!node) break; } @@ -1614,7 +1620,7 @@ again: *start = delalloc_start; *end = delalloc_end; free_extent_state(cached_state); - return found; + return 0; } /* @@ -1627,10 +1633,9 @@ again: /* * make sure to limit the number of pages we try to lock down - * if we're looping. */ - if (delalloc_end + 1 - delalloc_start > max_bytes && loops) - delalloc_end = delalloc_start + PAGE_CACHE_SIZE - 1; + if (delalloc_end + 1 - delalloc_start > max_bytes) + delalloc_end = delalloc_start + max_bytes - 1; /* step two, lock all the pages after the page that has start */ ret = lock_delalloc_pages(inode, locked_page, @@ -1641,8 +1646,7 @@ again: */ free_extent_state(cached_state); if (!loops) { - unsigned long offset = (*start) & (PAGE_CACHE_SIZE - 1); - max_bytes = PAGE_CACHE_SIZE - offset; + max_bytes = PAGE_CACHE_SIZE; loops = 1; goto again; } else { diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 22ebc13..b0ef7b0 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -7986,7 +7986,7 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry, /* check for collisions, even if the name isn't there */ - ret = btrfs_check_dir_item_collision(root, new_dir->i_ino, + ret = btrfs_check_dir_item_collision(dest, new_dir->i_ino, new_dentry->d_name.name, new_dentry->d_name.len); diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index a5a2632..4a35572 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -588,7 +588,7 @@ static struct btrfs_root *read_fs_root(struct btrfs_fs_info *fs_info, else key.offset = (u64)-1; - return btrfs_read_fs_root_no_name(fs_info, &key); + return btrfs_get_fs_root(fs_info, &key, false); } #ifdef BTRFS_COMPAT_EXTENT_TREE_V0 diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c index 0b1f4ef..ec71ea4 100644 --- a/fs/btrfs/root-tree.c +++ b/fs/btrfs/root-tree.c @@ -299,11 +299,6 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root) continue; } - if (btrfs_root_refs(&root->root_item) == 0) { - btrfs_add_dead_root(root); - continue; - } - err = btrfs_init_fs_root(root); if (err) { btrfs_free_fs_root(root); @@ -318,6 +313,9 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root) btrfs_free_fs_root(root); break; } + + if (btrfs_root_refs(&root->root_item) == 0) + btrfs_add_dead_root(root); } btrfs_free_path(path); diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index e7a9535..8c81bdc 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1838,11 +1838,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, assert_qgroups_uptodate(trans); update_super_roots(root); - if (!root->fs_info->log_root_recovering) { - btrfs_set_super_log_root(root->fs_info->super_copy, 0); - btrfs_set_super_log_root_level(root->fs_info->super_copy, 0); - } - + btrfs_set_super_log_root(root->fs_info->super_copy, 0); + btrfs_set_super_log_root_level(root->fs_info->super_copy, 0); memcpy(root->fs_info->super_for_commit, root->fs_info->super_copy, sizeof(*root->fs_info->super_copy)); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index a106458..043b215 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1716,6 +1716,7 @@ void btrfs_rm_dev_replace_srcdev(struct btrfs_fs_info *fs_info, struct btrfs_device *srcdev) { WARN_ON(!mutex_is_locked(&fs_info->fs_devices->device_list_mutex)); + list_del_rcu(&srcdev->dev_list); list_del_rcu(&srcdev->dev_alloc_list); fs_info->fs_devices->num_devices--; @@ -1725,9 +1726,13 @@ void btrfs_rm_dev_replace_srcdev(struct btrfs_fs_info *fs_info, } if (srcdev->can_discard) fs_info->fs_devices->num_can_discard--; - if (srcdev->bdev) + if (srcdev->bdev) { fs_info->fs_devices->open_devices--; + /* zero out the old super */ + btrfs_scratch_superblock(srcdev); + } + call_rcu(&srcdev->rcu, free_device); } diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index ea723a5..6d0b072 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -132,5 +132,5 @@ extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); extern const struct export_operations cifs_export_ops; #endif /* CONFIG_CIFS_NFSD_EXPORT */ -#define CIFS_VERSION "2.01" +#define CIFS_VERSION "2.02" #endif /* _CIFSFS_H */ diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index cfa14c8..52b6f6c 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -547,9 +547,6 @@ struct TCP_Server_Info { unsigned int max_rw; /* maxRw specifies the maximum */ /* message size the server can send or receive for */ /* SMB_COM_WRITE_RAW or SMB_COM_READ_RAW. */ - unsigned int max_vcs; /* maximum number of smb sessions, at least - those that can be specified uniquely with - vcnumbers */ unsigned int capabilities; /* selective disabling of caps by smb sess */ int timeAdj; /* Adjust for difference in server time zone in sec */ __u64 CurrentMid; /* multiplex id - rotating counter */ @@ -715,7 +712,6 @@ struct cifs_ses { enum statusEnum status; unsigned overrideSecFlg; /* if non-zero override global sec flags */ __u16 ipc_tid; /* special tid for connection to IPC share */ - __u16 vcnum; char *serverOS; /* name of operating system underlying server */ char *serverNOS; /* name of network operating system of server */ char *serverDomain; /* security realm of server */ @@ -1272,6 +1268,7 @@ struct dfs_info3_param { #define CIFS_FATTR_DELETE_PENDING 0x2 #define CIFS_FATTR_NEED_REVAL 0x4 #define CIFS_FATTR_INO_COLLISION 0x8 +#define CIFS_FATTR_UNKNOWN_NLINK 0x10 struct cifs_fattr { u32 cf_flags; diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h index 948676d..a630475 100644 --- a/fs/cifs/cifspdu.h +++ b/fs/cifs/cifspdu.h @@ -2652,26 +2652,7 @@ typedef struct file_xattr_info { } __attribute__((packed)) FILE_XATTR_INFO; /* extended attribute info level 0x205 */ - -/* flags for chattr command */ -#define EXT_SECURE_DELETE 0x00000001 /* EXT3_SECRM_FL */ -#define EXT_ENABLE_UNDELETE 0x00000002 /* EXT3_UNRM_FL */ -/* Reserved for compress file 0x4 */ -#define EXT_SYNCHRONOUS 0x00000008 /* EXT3_SYNC_FL */ -#define EXT_IMMUTABLE_FL 0x00000010 /* EXT3_IMMUTABLE_FL */ -#define EXT_OPEN_APPEND_ONLY 0x00000020 /* EXT3_APPEND_FL */ -#define EXT_DO_NOT_BACKUP 0x00000040 /* EXT3_NODUMP_FL */ -#define EXT_NO_UPDATE_ATIME 0x00000080 /* EXT3_NOATIME_FL */ -/* 0x100 through 0x800 reserved for compression flags and are GET-ONLY */ -#define EXT_HASH_TREE_INDEXED_DIR 0x00001000 /* GET-ONLY EXT3_INDEX_FL */ -/* 0x2000 reserved for IMAGIC_FL */ -#define EXT_JOURNAL_THIS_FILE 0x00004000 /* GET-ONLY EXT3_JOURNAL_DATA_FL */ -/* 0x8000 reserved for EXT3_NOTAIL_FL */ -#define EXT_SYNCHRONOUS_DIR 0x00010000 /* EXT3_DIRSYNC_FL */ -#define EXT_TOPDIR 0x00020000 /* EXT3_TOPDIR_FL */ - -#define EXT_SET_MASK 0x000300FF -#define EXT_GET_MASK 0x0003DFFF +/* flags for lsattr and chflags commands removed arein uapi/linux/fs.h */ typedef struct file_chattr_info { __le64 mask; /* list of all possible attribute bits */ diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index a3d74fe..4baf3594 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -463,7 +463,6 @@ decode_lanman_negprot_rsp(struct TCP_Server_Info *server, NEGOTIATE_RSP *pSMBr) cifs_max_pending); set_credits(server, server->maxReq); server->maxBuf = le16_to_cpu(rsp->MaxBufSize); - server->max_vcs = le16_to_cpu(rsp->MaxNumberVcs); /* even though we do not use raw we might as well set this accurately, in case we ever find a need for it */ if ((le16_to_cpu(rsp->RawMode) & RAW_ENABLE) == RAW_ENABLE) { diff --git a/fs/cifs/file.c b/fs/cifs/file.c index eb955b5..7ddddf2 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -3254,6 +3254,9 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, /* * Reads as many pages as possible from fscache. Returns -ENOBUFS * immediately if the cookie is negative + * + * After this point, every page in the list might have PG_fscache set, + * so we will need to clean that up off of every page we don't use. */ rc = cifs_readpages_from_fscache(mapping->host, mapping, page_list, &num_pages); @@ -3376,6 +3379,11 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, kref_put(&rdata->refcount, cifs_readdata_release); } + /* Any pages that have been shown to fscache but didn't get added to + * the pagecache must be uncached before they get returned to the + * allocator. + */ + cifs_fscache_readpages_cancel(mapping->host, page_list); return rc; } diff --git a/fs/cifs/fscache.c b/fs/cifs/fscache.c index 2f4bc5a..b3258f3 100644 --- a/fs/cifs/fscache.c +++ b/fs/cifs/fscache.c @@ -223,6 +223,13 @@ void __cifs_readpage_to_fscache(struct inode *inode, struct page *page) fscache_uncache_page(CIFS_I(inode)->fscache, page); } +void __cifs_fscache_readpages_cancel(struct inode *inode, struct list_head *pages) +{ + cifs_dbg(FYI, "%s: (fsc: %p, i: %p)\n", + __func__, CIFS_I(inode)->fscache, inode); + fscache_readpages_cancel(CIFS_I(inode)->fscache, pages); +} + void __cifs_fscache_invalidate_page(struct page *page, struct inode *inode) { struct cifsInodeInfo *cifsi = CIFS_I(inode); diff --git a/fs/cifs/fscache.h b/fs/cifs/fscache.h index 6353932..24794b6 100644 --- a/fs/cifs/fscache.h +++ b/fs/cifs/fscache.h @@ -54,6 +54,7 @@ extern int __cifs_readpages_from_fscache(struct inode *, struct address_space *, struct list_head *, unsigned *); +extern void __cifs_fscache_readpages_cancel(struct inode *, struct list_head *); extern void __cifs_readpage_to_fscache(struct inode *, struct page *); @@ -91,6 +92,13 @@ static inline void cifs_readpage_to_fscache(struct inode *inode, __cifs_readpage_to_fscache(inode, page); } +static inline void cifs_fscache_readpages_cancel(struct inode *inode, + struct list_head *pages) +{ + if (CIFS_I(inode)->fscache) + return __cifs_fscache_readpages_cancel(inode, pages); +} + #else /* CONFIG_CIFS_FSCACHE */ static inline int cifs_fscache_register(void) { return 0; } static inline void cifs_fscache_unregister(void) {} @@ -131,6 +139,11 @@ static inline int cifs_readpages_from_fscache(struct inode *inode, static inline void cifs_readpage_to_fscache(struct inode *inode, struct page *page) {} +static inline void cifs_fscache_readpages_cancel(struct inode *inode, + struct list_head *pages) +{ +} + #endif /* CONFIG_CIFS_FSCACHE */ #endif /* _CIFS_FSCACHE_H */ diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index f9ff9c1..867b7cd 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -120,6 +120,33 @@ cifs_revalidate_cache(struct inode *inode, struct cifs_fattr *fattr) cifs_i->invalid_mapping = true; } +/* + * copy nlink to the inode, unless it wasn't provided. Provide + * sane values if we don't have an existing one and none was provided + */ +static void +cifs_nlink_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr) +{ + /* + * if we're in a situation where we can't trust what we + * got from the server (readdir, some non-unix cases) + * fake reasonable values + */ + if (fattr->cf_flags & CIFS_FATTR_UNKNOWN_NLINK) { + /* only provide fake values on a new inode */ + if (inode->i_state & I_NEW) { + if (fattr->cf_cifsattrs & ATTR_DIRECTORY) + set_nlink(inode, 2); + else + set_nlink(inode, 1); + } + return; + } + + /* we trust the server, so update it */ + set_nlink(inode, fattr->cf_nlink); +} + /* populate an inode with info from a cifs_fattr struct */ void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr) @@ -134,7 +161,7 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr) inode->i_mtime = fattr->cf_mtime; inode->i_ctime = fattr->cf_ctime; inode->i_rdev = fattr->cf_rdev; - set_nlink(inode, fattr->cf_nlink); + cifs_nlink_fattr_to_inode(inode, fattr); inode->i_uid = fattr->cf_uid; inode->i_gid = fattr->cf_gid; @@ -541,6 +568,7 @@ cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info, fattr->cf_bytes = le64_to_cpu(info->AllocationSize); fattr->cf_createtime = le64_to_cpu(info->CreationTime); + fattr->cf_nlink = le32_to_cpu(info->NumberOfLinks); if (fattr->cf_cifsattrs & ATTR_DIRECTORY) { fattr->cf_mode = S_IFDIR | cifs_sb->mnt_dir_mode; fattr->cf_dtype = DT_DIR; @@ -548,7 +576,8 @@ cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info, * Server can return wrong NumberOfLinks value for directories * when Unix extensions are disabled - fake it. */ - fattr->cf_nlink = 2; + if (!tcon->unix_ext) + fattr->cf_flags |= CIFS_FATTR_UNKNOWN_NLINK; } else if (fattr->cf_cifsattrs & ATTR_REPARSE) { fattr->cf_mode = S_IFLNK; fattr->cf_dtype = DT_LNK; @@ -561,11 +590,15 @@ cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info, if (fattr->cf_cifsattrs & ATTR_READONLY) fattr->cf_mode &= ~(S_IWUGO); - fattr->cf_nlink = le32_to_cpu(info->NumberOfLinks); - if (fattr->cf_nlink < 1) { - cifs_dbg(1, "replacing bogus file nlink value %u\n", + /* + * Don't accept zero nlink from non-unix servers unless + * delete is pending. Instead mark it as unknown. + */ + if ((fattr->cf_nlink < 1) && !tcon->unix_ext && + !info->DeletePending) { + cifs_dbg(1, "bogus file nlink value %u\n", fattr->cf_nlink); - fattr->cf_nlink = 1; + fattr->cf_flags |= CIFS_FATTR_UNKNOWN_NLINK; } } diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c index 42ef03b..53a75f3 100644 --- a/fs/cifs/readdir.c +++ b/fs/cifs/readdir.c @@ -180,6 +180,9 @@ cifs_fill_common_info(struct cifs_fattr *fattr, struct cifs_sb_info *cifs_sb) fattr->cf_dtype = DT_REG; } + /* non-unix readdir doesn't provide nlink */ + fattr->cf_flags |= CIFS_FATTR_UNKNOWN_NLINK; + if (fattr->cf_cifsattrs & ATTR_READONLY) fattr->cf_mode &= ~S_IWUGO; diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c index 5f99b7f..352358d 100644 --- a/fs/cifs/sess.c +++ b/fs/cifs/sess.c @@ -32,88 +32,6 @@ #include <linux/slab.h> #include "cifs_spnego.h" -/* - * Checks if this is the first smb session to be reconnected after - * the socket has been reestablished (so we know whether to use vc 0). - * Called while holding the cifs_tcp_ses_lock, so do not block - */ -static bool is_first_ses_reconnect(struct cifs_ses *ses) -{ - struct list_head *tmp; - struct cifs_ses *tmp_ses; - - list_for_each(tmp, &ses->server->smb_ses_list) { - tmp_ses = list_entry(tmp, struct cifs_ses, - smb_ses_list); - if (tmp_ses->need_reconnect == false) - return false; - } - /* could not find a session that was already connected, - this must be the first one we are reconnecting */ - return true; -} - -/* - * vc number 0 is treated specially by some servers, and should be the - * first one we request. After that we can use vcnumbers up to maxvcs, - * one for each smb session (some Windows versions set maxvcs incorrectly - * so maxvc=1 can be ignored). If we have too many vcs, we can reuse - * any vc but zero (some servers reset the connection on vcnum zero) - * - */ -static __le16 get_next_vcnum(struct cifs_ses *ses) -{ - __u16 vcnum = 0; - struct list_head *tmp; - struct cifs_ses *tmp_ses; - __u16 max_vcs = ses->server->max_vcs; - __u16 i; - int free_vc_found = 0; - - /* Quoting the MS-SMB specification: "Windows-based SMB servers set this - field to one but do not enforce this limit, which allows an SMB client - to establish more virtual circuits than allowed by this value ... but - other server implementations can enforce this limit." */ - if (max_vcs < 2) - max_vcs = 0xFFFF; - - spin_lock(&cifs_tcp_ses_lock); - if ((ses->need_reconnect) && is_first_ses_reconnect(ses)) - goto get_vc_num_exit; /* vcnum will be zero */ - for (i = ses->server->srv_count - 1; i < max_vcs; i++) { - if (i == 0) /* this is the only connection, use vc 0 */ - break; - - free_vc_found = 1; - - list_for_each(tmp, &ses->server->smb_ses_list) { - tmp_ses = list_entry(tmp, struct cifs_ses, - smb_ses_list); - if (tmp_ses->vcnum == i) { - free_vc_found = 0; - break; /* found duplicate, try next vcnum */ - } - } - if (free_vc_found) - break; /* we found a vcnumber that will work - use it */ - } - - if (i == 0) - vcnum = 0; /* for most common case, ie if one smb session, use - vc zero. Also for case when no free vcnum, zero - is safest to send (some clients only send zero) */ - else if (free_vc_found == 0) - vcnum = 1; /* we can not reuse vc=0 safely, since some servers - reset all uids on that, but 1 is ok. */ - else - vcnum = i; - ses->vcnum = vcnum; -get_vc_num_exit: - spin_unlock(&cifs_tcp_ses_lock); - - return cpu_to_le16(vcnum); -} - static __u32 cifs_ssetup_hdr(struct cifs_ses *ses, SESSION_SETUP_ANDX *pSMB) { __u32 capabilities = 0; @@ -128,7 +46,7 @@ static __u32 cifs_ssetup_hdr(struct cifs_ses *ses, SESSION_SETUP_ANDX *pSMB) CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4, USHRT_MAX)); pSMB->req.MaxMpxCount = cpu_to_le16(ses->server->maxReq); - pSMB->req.VcNumber = get_next_vcnum(ses); + pSMB->req.VcNumber = __constant_cpu_to_le16(1); /* Now no need to set SMBFLG_CASELESS or obsolete CANONICAL PATH */ diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 0d424d7..e274e9c 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -2563,7 +2563,7 @@ retry: break; } blk_finish_plug(&plug); - if (!ret && !cycled) { + if (!ret && !cycled && wbc->nr_to_write > 0) { cycled = 1; mpd.last_page = writeback_index - 1; mpd.first_page = 0; diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index c081e34..03e9beb 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -1350,6 +1350,8 @@ retry: s_min_extra_isize) { tried_min_extra_isize++; new_extra_isize = s_min_extra_isize; + kfree(is); is = NULL; + kfree(bs); bs = NULL; goto retry; } error = -1; diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 62b43b5..b7989f2 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -182,6 +182,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) struct inode *inode; struct dentry *parent; struct fuse_conn *fc; + struct fuse_inode *fi; int ret; inode = ACCESS_ONCE(entry->d_inode); @@ -228,7 +229,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) if (!err && !outarg.nodeid) err = -ENOENT; if (!err) { - struct fuse_inode *fi = get_fuse_inode(inode); + fi = get_fuse_inode(inode); if (outarg.nodeid != get_node_id(inode)) { fuse_queue_forget(fc, forget, outarg.nodeid, 1); goto invalid; @@ -246,8 +247,11 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) attr_version); fuse_change_entry_timeout(entry, &outarg); } else if (inode) { - fc = get_fuse_conn(inode); - if (fc->readdirplus_auto) { + fi = get_fuse_inode(inode); + if (flags & LOOKUP_RCU) { + if (test_bit(FUSE_I_INIT_RDPLUS, &fi->state)) + return -ECHILD; + } else if (test_and_clear_bit(FUSE_I_INIT_RDPLUS, &fi->state)) { parent = dget_parent(entry); fuse_advise_use_readdirplus(parent->d_inode); dput(parent); @@ -259,7 +263,8 @@ out: invalid: ret = 0; - if (check_submounts_and_drop(entry) != 0) + + if (!(flags & LOOKUP_RCU) && check_submounts_and_drop(entry) != 0) ret = 1; goto out; } @@ -1063,6 +1068,8 @@ static int fuse_access(struct inode *inode, int mask) struct fuse_access_in inarg; int err; + BUG_ON(mask & MAY_NOT_BLOCK); + if (fc->no_access) return 0; @@ -1150,9 +1157,6 @@ static int fuse_permission(struct inode *inode, int mask) noticed immediately, only after the attribute timeout has expired */ } else if (mask & (MAY_ACCESS | MAY_CHDIR)) { - if (mask & MAY_NOT_BLOCK) - return -ECHILD; - err = fuse_access(inode, mask); } else if ((mask & MAY_EXEC) && S_ISREG(inode->i_mode)) { if (!(inode->i_mode & S_IXUGO)) { @@ -1291,6 +1295,8 @@ static int fuse_direntplus_link(struct file *file, } found: + if (fc->readdirplus_auto) + set_bit(FUSE_I_INIT_RDPLUS, &get_fuse_inode(inode)->state); fuse_change_entry_timeout(dentry, o); err = 0; diff --git a/fs/fuse/file.c b/fs/fuse/file.c index d409dea..4598345 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2467,6 +2467,7 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, { struct fuse_file *ff = file->private_data; struct inode *inode = file->f_inode; + struct fuse_inode *fi = get_fuse_inode(inode); struct fuse_conn *fc = ff->fc; struct fuse_req *req; struct fuse_fallocate_in inarg = { @@ -2484,10 +2485,20 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, if (lock_inode) { mutex_lock(&inode->i_mutex); - if (mode & FALLOC_FL_PUNCH_HOLE) - fuse_set_nowrite(inode); + if (mode & FALLOC_FL_PUNCH_HOLE) { + loff_t endbyte = offset + length - 1; + err = filemap_write_and_wait_range(inode->i_mapping, + offset, endbyte); + if (err) + goto out; + + fuse_sync_writes(inode); + } } + if (!(mode & FALLOC_FL_KEEP_SIZE)) + set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state); + req = fuse_get_req_nopages(fc); if (IS_ERR(req)) { err = PTR_ERR(req); @@ -2520,11 +2531,11 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, fuse_invalidate_attr(inode); out: - if (lock_inode) { - if (mode & FALLOC_FL_PUNCH_HOLE) - fuse_release_nowrite(inode); + if (!(mode & FALLOC_FL_KEEP_SIZE)) + clear_bit(FUSE_I_SIZE_UNSTABLE, &fi->state); + + if (lock_inode) mutex_unlock(&inode->i_mutex); - } return err; } diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 5ced199..5b9e6f3 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -115,6 +115,8 @@ struct fuse_inode { enum { /** Advise readdirplus */ FUSE_I_ADVISE_RDPLUS, + /** Initialized with readdirplus */ + FUSE_I_INIT_RDPLUS, /** An operation changing file size is in progress */ FUSE_I_SIZE_UNSTABLE, }; diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 854a8f0..02b0df7 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1458,7 +1458,7 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry, trace_nfs_atomic_open_enter(dir, ctx, open_flags); nfs_block_sillyrename(dentry->d_parent); - inode = NFS_PROTO(dir)->open_context(dir, ctx, open_flags, &attr); + inode = NFS_PROTO(dir)->open_context(dir, ctx, open_flags, &attr, opened); nfs_unblock_sillyrename(dentry->d_parent); if (IS_ERR(inode)) { err = PTR_ERR(inode); diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index e5b804d..77efaf1 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -19,6 +19,7 @@ nfs4_file_open(struct inode *inode, struct file *filp) struct inode *dir; unsigned openflags = filp->f_flags; struct iattr attr; + int opened = 0; int err; /* @@ -55,7 +56,7 @@ nfs4_file_open(struct inode *inode, struct file *filp) nfs_wb_all(inode); } - inode = NFS_PROTO(dir)->open_context(dir, ctx, openflags, &attr); + inode = NFS_PROTO(dir)->open_context(dir, ctx, openflags, &attr, &opened); if (IS_ERR(inode)) { err = PTR_ERR(inode); switch (err) { diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c index 95604f6..c7c295e5 100644 --- a/fs/nfs/nfs4filelayoutdev.c +++ b/fs/nfs/nfs4filelayoutdev.c @@ -185,6 +185,7 @@ nfs4_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds) if (status) goto out_put; + smp_wmb(); ds->ds_clp = clp; dprintk("%s [new] addr: %s\n", __func__, ds->ds_remotestr); out: @@ -801,34 +802,35 @@ nfs4_fl_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx) struct nfs4_file_layout_dsaddr *dsaddr = FILELAYOUT_LSEG(lseg)->dsaddr; struct nfs4_pnfs_ds *ds = dsaddr->ds_list[ds_idx]; struct nfs4_deviceid_node *devid = FILELAYOUT_DEVID_NODE(lseg); - - if (filelayout_test_devid_unavailable(devid)) - return NULL; + struct nfs4_pnfs_ds *ret = ds; if (ds == NULL) { printk(KERN_ERR "NFS: %s: No data server for offset index %d\n", __func__, ds_idx); filelayout_mark_devid_invalid(devid); - return NULL; + goto out; } + smp_rmb(); if (ds->ds_clp) - return ds; + goto out_test_devid; if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) { struct nfs_server *s = NFS_SERVER(lseg->pls_layout->plh_inode); int err; err = nfs4_ds_connect(s, ds); - if (err) { + if (err) nfs4_mark_deviceid_unavailable(devid); - ds = NULL; - } nfs4_clear_ds_conn_bit(ds); } else { /* Either ds is connected, or ds is NULL */ nfs4_wait_ds_connect(ds); } - return ds; +out_test_devid: + if (filelayout_test_devid_unavailable(devid)) + ret = NULL; +out: + return ret; } module_param(dataserver_retrans, uint, 0644); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 989bb9d..d53d678 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -912,6 +912,7 @@ struct nfs4_opendata { struct iattr attrs; unsigned long timestamp; unsigned int rpc_done : 1; + unsigned int file_created : 1; unsigned int is_recover : 1; int rpc_status; int cancelled; @@ -1946,8 +1947,13 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) nfs_fattr_map_and_free_names(server, &data->f_attr); - if (o_arg->open_flags & O_CREAT) + if (o_arg->open_flags & O_CREAT) { update_changeattr(dir, &o_res->cinfo); + if (o_arg->open_flags & O_EXCL) + data->file_created = 1; + else if (o_res->cinfo.before != o_res->cinfo.after) + data->file_created = 1; + } if ((o_res->rflags & NFS4_OPEN_RESULT_LOCKTYPE_POSIX) == 0) server->caps &= ~NFS_CAP_POSIX_LOCK; if(o_res->rflags & NFS4_OPEN_RESULT_CONFIRM) { @@ -2191,7 +2197,8 @@ static int _nfs4_do_open(struct inode *dir, struct nfs_open_context *ctx, int flags, struct iattr *sattr, - struct nfs4_label *label) + struct nfs4_label *label, + int *opened) { struct nfs4_state_owner *sp; struct nfs4_state *state = NULL; @@ -2261,6 +2268,8 @@ static int _nfs4_do_open(struct inode *dir, nfs_setsecurity(state->inode, opendata->o_res.f_attr, olabel); } } + if (opendata->file_created) + *opened |= FILE_CREATED; if (pnfs_use_threshold(ctx_th, opendata->f_attr.mdsthreshold, server)) *ctx_th = opendata->f_attr.mdsthreshold; @@ -2289,7 +2298,8 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir, struct nfs_open_context *ctx, int flags, struct iattr *sattr, - struct nfs4_label *label) + struct nfs4_label *label, + int *opened) { struct nfs_server *server = NFS_SERVER(dir); struct nfs4_exception exception = { }; @@ -2297,7 +2307,7 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir, int status; do { - status = _nfs4_do_open(dir, ctx, flags, sattr, label); + status = _nfs4_do_open(dir, ctx, flags, sattr, label, opened); res = ctx->state; trace_nfs4_open_file(ctx, flags, status); if (status == 0) @@ -2659,7 +2669,8 @@ out: } static struct inode * -nfs4_atomic_open(struct inode *dir, struct nfs_open_context *ctx, int open_flags, struct iattr *attr) +nfs4_atomic_open(struct inode *dir, struct nfs_open_context *ctx, + int open_flags, struct iattr *attr, int *opened) { struct nfs4_state *state; struct nfs4_label l = {0, 0, 0, NULL}, *label = NULL; @@ -2667,7 +2678,7 @@ nfs4_atomic_open(struct inode *dir, struct nfs_open_context *ctx, int open_flags label = nfs4_label_init_security(dir, ctx->dentry, attr, &l); /* Protect against concurrent sillydeletes */ - state = nfs4_do_open(dir, ctx, open_flags, attr, label); + state = nfs4_do_open(dir, ctx, open_flags, attr, label, opened); nfs4_label_release_security(label); @@ -3332,6 +3343,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, struct nfs4_label l, *ilabel = NULL; struct nfs_open_context *ctx; struct nfs4_state *state; + int opened = 0; int status = 0; ctx = alloc_nfs_open_context(dentry, FMODE_READ); @@ -3341,7 +3353,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, ilabel = nfs4_label_init_security(dir, dentry, sattr, &l); sattr->ia_mode &= ~current_umask(); - state = nfs4_do_open(dir, ctx, flags, sattr, ilabel); + state = nfs4_do_open(dir, ctx, flags, sattr, ilabel, &opened); if (IS_ERR(state)) { status = PTR_ERR(state); goto out; @@ -7564,8 +7576,10 @@ nfs41_find_root_sec(struct nfs_server *server, struct nfs_fh *fhandle, { int err; struct page *page; - rpc_authflavor_t flavor; + rpc_authflavor_t flavor = RPC_AUTH_MAXFLAVOR; struct nfs4_secinfo_flavors *flavors; + struct nfs4_secinfo4 *secinfo; + int i; page = alloc_page(GFP_KERNEL); if (!page) { @@ -7587,9 +7601,31 @@ nfs41_find_root_sec(struct nfs_server *server, struct nfs_fh *fhandle, if (err) goto out_freepage; - flavor = nfs_find_best_sec(flavors); - if (err == 0) - err = nfs4_lookup_root_sec(server, fhandle, info, flavor); + for (i = 0; i < flavors->num_flavors; i++) { + secinfo = &flavors->flavors[i]; + + switch (secinfo->flavor) { + case RPC_AUTH_NULL: + case RPC_AUTH_UNIX: + case RPC_AUTH_GSS: + flavor = rpcauth_get_pseudoflavor(secinfo->flavor, + &secinfo->flavor_info); + break; + default: + flavor = RPC_AUTH_MAXFLAVOR; + break; + } + + if (flavor != RPC_AUTH_MAXFLAVOR) { + err = nfs4_lookup_root_sec(server, fhandle, + info, flavor); + if (!err) + break; + } + } + + if (flavor == RPC_AUTH_MAXFLAVOR) + err = -EPERM; out_freepage: put_page(page); diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c index 0ba6798..da27664 100644 --- a/fs/nilfs2/page.c +++ b/fs/nilfs2/page.c @@ -94,6 +94,7 @@ void nilfs_forget_buffer(struct buffer_head *bh) clear_buffer_nilfs_volatile(bh); clear_buffer_nilfs_checked(bh); clear_buffer_nilfs_redirected(bh); + clear_buffer_async_write(bh); clear_buffer_dirty(bh); if (nilfs_page_buffers_clean(page)) __nilfs_clear_page_dirty(page); @@ -429,6 +430,7 @@ void nilfs_clear_dirty_page(struct page *page, bool silent) "discard block %llu, size %zu", (u64)bh->b_blocknr, bh->b_size); } + clear_buffer_async_write(bh); clear_buffer_dirty(bh); clear_buffer_nilfs_volatile(bh); clear_buffer_nilfs_checked(bh); diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c index bd88a74..9f6b486 100644 --- a/fs/nilfs2/segment.c +++ b/fs/nilfs2/segment.c @@ -665,7 +665,7 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode, bh = head = page_buffers(page); do { - if (!buffer_dirty(bh)) + if (!buffer_dirty(bh) || buffer_async_write(bh)) continue; get_bh(bh); list_add_tail(&bh->b_assoc_buffers, listp); @@ -699,7 +699,8 @@ static void nilfs_lookup_dirty_node_buffers(struct inode *inode, for (i = 0; i < pagevec_count(&pvec); i++) { bh = head = page_buffers(pvec.pages[i]); do { - if (buffer_dirty(bh)) { + if (buffer_dirty(bh) && + !buffer_async_write(bh)) { get_bh(bh); list_add_tail(&bh->b_assoc_buffers, listp); @@ -1579,6 +1580,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci) list_for_each_entry(bh, &segbuf->sb_segsum_buffers, b_assoc_buffers) { + set_buffer_async_write(bh); if (bh->b_page != bd_page) { if (bd_page) { lock_page(bd_page); @@ -1592,6 +1594,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci) list_for_each_entry(bh, &segbuf->sb_payload_buffers, b_assoc_buffers) { + set_buffer_async_write(bh); if (bh == segbuf->sb_super_root) { if (bh->b_page != bd_page) { lock_page(bd_page); @@ -1677,6 +1680,7 @@ static void nilfs_abort_logs(struct list_head *logs, int err) list_for_each_entry(segbuf, logs, sb_list) { list_for_each_entry(bh, &segbuf->sb_segsum_buffers, b_assoc_buffers) { + clear_buffer_async_write(bh); if (bh->b_page != bd_page) { if (bd_page) end_page_writeback(bd_page); @@ -1686,6 +1690,7 @@ static void nilfs_abort_logs(struct list_head *logs, int err) list_for_each_entry(bh, &segbuf->sb_payload_buffers, b_assoc_buffers) { + clear_buffer_async_write(bh); if (bh == segbuf->sb_super_root) { if (bh->b_page != bd_page) { end_page_writeback(bd_page); @@ -1755,6 +1760,7 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci) b_assoc_buffers) { set_buffer_uptodate(bh); clear_buffer_dirty(bh); + clear_buffer_async_write(bh); if (bh->b_page != bd_page) { if (bd_page) end_page_writeback(bd_page); @@ -1776,6 +1782,7 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci) b_assoc_buffers) { set_buffer_uptodate(bh); clear_buffer_dirty(bh); + clear_buffer_async_write(bh); clear_buffer_delay(bh); clear_buffer_nilfs_volatile(bh); clear_buffer_nilfs_redirected(bh); diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c index ef99972..0d3a97d 100644 --- a/fs/ocfs2/dcache.c +++ b/fs/ocfs2/dcache.c @@ -70,9 +70,10 @@ static int ocfs2_dentry_revalidate(struct dentry *dentry, unsigned int flags) */ if (inode == NULL) { unsigned long gen = (unsigned long) dentry->d_fsdata; - unsigned long pgen = - OCFS2_I(dentry->d_parent->d_inode)->ip_dir_lock_gen; - + unsigned long pgen; + spin_lock(&dentry->d_lock); + pgen = OCFS2_I(dentry->d_parent->d_inode)->ip_dir_lock_gen; + spin_unlock(&dentry->d_lock); trace_ocfs2_dentry_revalidate_negative(dentry->d_name.len, dentry->d_name.name, pgen, gen); diff --git a/fs/statfs.c b/fs/statfs.c index c219e733..083dc0a 100644 --- a/fs/statfs.c +++ b/fs/statfs.c @@ -94,7 +94,7 @@ retry: int fd_statfs(int fd, struct kstatfs *st) { - struct fd f = fdget(fd); + struct fd f = fdget_raw(fd); int error = -EBADF; if (f.file) { error = vfs_statfs(&f.file->f_path, st); @@ -264,6 +264,8 @@ out_free_sb: */ static inline void destroy_super(struct super_block *s) { + list_lru_destroy(&s->s_dentry_lru); + list_lru_destroy(&s->s_inode_lru); #ifdef CONFIG_SMP free_percpu(s->s_files); #endif @@ -323,8 +325,6 @@ void deactivate_locked_super(struct super_block *s) /* caches are now gone, we can safely kill the shrinker now */ unregister_shrinker(&s->s_shrink); - list_lru_destroy(&s->s_dentry_lru); - list_lru_destroy(&s->s_inode_lru); put_filesystem(fs); put_super(s); diff --git a/fs/sysv/super.c b/fs/sysv/super.c index d0c6a00..eda1095 100644 --- a/fs/sysv/super.c +++ b/fs/sysv/super.c @@ -487,6 +487,7 @@ static int v7_fill_super(struct super_block *sb, void *data, int silent) sbi->s_sb = sb; sbi->s_block_base = 0; sbi->s_type = FSTYPE_V7; + mutex_init(&sbi->s_lock); sb->s_fs_info = sbi; sb_set_blocksize(sb, 512); diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c index 0957aa9..12dad18 100644 --- a/fs/xfs/xfs_dir2_block.c +++ b/fs/xfs/xfs_dir2_block.c @@ -1158,7 +1158,7 @@ xfs_dir2_sf_to_block( /* * Create entry for . */ - dep = xfs_dir3_data_dot_entry_p(hdr); + dep = xfs_dir3_data_dot_entry_p(mp, hdr); dep->inumber = cpu_to_be64(dp->i_ino); dep->namelen = 1; dep->name[0] = '.'; @@ -1172,7 +1172,7 @@ xfs_dir2_sf_to_block( /* * Create entry for .. */ - dep = xfs_dir3_data_dotdot_entry_p(hdr); + dep = xfs_dir3_data_dotdot_entry_p(mp, hdr); dep->inumber = cpu_to_be64(xfs_dir2_sf_get_parent_ino(sfp)); dep->namelen = 2; dep->name[0] = dep->name[1] = '.'; @@ -1183,7 +1183,7 @@ xfs_dir2_sf_to_block( blp[1].hashval = cpu_to_be32(xfs_dir_hash_dotdot); blp[1].address = cpu_to_be32(xfs_dir2_byte_to_dataptr(mp, (char *)dep - (char *)hdr)); - offset = xfs_dir3_data_first_offset(hdr); + offset = xfs_dir3_data_first_offset(mp); /* * Loop over existing entries, stuff them in. */ diff --git a/fs/xfs/xfs_dir2_format.h b/fs/xfs/xfs_dir2_format.h index a0961a6..9cf6738 100644 --- a/fs/xfs/xfs_dir2_format.h +++ b/fs/xfs/xfs_dir2_format.h @@ -497,69 +497,58 @@ xfs_dir3_data_unused_p(struct xfs_dir2_data_hdr *hdr) /* * Offsets of . and .. in data space (always block 0) * - * The macros are used for shortform directories as they have no headers to read - * the magic number out of. Shortform directories need to know the size of the - * data block header because the sfe embeds the block offset of the entry into - * it so that it doesn't change when format conversion occurs. Bad Things Happen - * if we don't follow this rule. - * * XXX: there is scope for significant optimisation of the logic here. Right * now we are checking for "dir3 format" over and over again. Ideally we should * only do it once for each operation. */ -#define XFS_DIR3_DATA_DOT_OFFSET(mp) \ - xfs_dir3_data_hdr_size(xfs_sb_version_hascrc(&(mp)->m_sb)) -#define XFS_DIR3_DATA_DOTDOT_OFFSET(mp) \ - (XFS_DIR3_DATA_DOT_OFFSET(mp) + xfs_dir3_data_entsize(mp, 1)) -#define XFS_DIR3_DATA_FIRST_OFFSET(mp) \ - (XFS_DIR3_DATA_DOTDOT_OFFSET(mp) + xfs_dir3_data_entsize(mp, 2)) - static inline xfs_dir2_data_aoff_t -xfs_dir3_data_dot_offset(struct xfs_dir2_data_hdr *hdr) +xfs_dir3_data_dot_offset(struct xfs_mount *mp) { - return xfs_dir3_data_entry_offset(hdr); + return xfs_dir3_data_hdr_size(xfs_sb_version_hascrc(&mp->m_sb)); } static inline xfs_dir2_data_aoff_t -xfs_dir3_data_dotdot_offset(struct xfs_dir2_data_hdr *hdr) +xfs_dir3_data_dotdot_offset(struct xfs_mount *mp) { - bool dir3 = hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) || - hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC); - return xfs_dir3_data_dot_offset(hdr) + - __xfs_dir3_data_entsize(dir3, 1); + return xfs_dir3_data_dot_offset(mp) + + xfs_dir3_data_entsize(mp, 1); } static inline xfs_dir2_data_aoff_t -xfs_dir3_data_first_offset(struct xfs_dir2_data_hdr *hdr) +xfs_dir3_data_first_offset(struct xfs_mount *mp) { - bool dir3 = hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) || - hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC); - return xfs_dir3_data_dotdot_offset(hdr) + - __xfs_dir3_data_entsize(dir3, 2); + return xfs_dir3_data_dotdot_offset(mp) + + xfs_dir3_data_entsize(mp, 2); } /* * location of . and .. in data space (always block 0) */ static inline struct xfs_dir2_data_entry * -xfs_dir3_data_dot_entry_p(struct xfs_dir2_data_hdr *hdr) +xfs_dir3_data_dot_entry_p( + struct xfs_mount *mp, + struct xfs_dir2_data_hdr *hdr) { return (struct xfs_dir2_data_entry *) - ((char *)hdr + xfs_dir3_data_dot_offset(hdr)); + ((char *)hdr + xfs_dir3_data_dot_offset(mp)); } static inline struct xfs_dir2_data_entry * -xfs_dir3_data_dotdot_entry_p(struct xfs_dir2_data_hdr *hdr) +xfs_dir3_data_dotdot_entry_p( + struct xfs_mount *mp, + struct xfs_dir2_data_hdr *hdr) { return (struct xfs_dir2_data_entry *) - ((char *)hdr + xfs_dir3_data_dotdot_offset(hdr)); + ((char *)hdr + xfs_dir3_data_dotdot_offset(mp)); } static inline struct xfs_dir2_data_entry * -xfs_dir3_data_first_entry_p(struct xfs_dir2_data_hdr *hdr) +xfs_dir3_data_first_entry_p( + struct xfs_mount *mp, + struct xfs_dir2_data_hdr *hdr) { return (struct xfs_dir2_data_entry *) - ((char *)hdr + xfs_dir3_data_first_offset(hdr)); + ((char *)hdr + xfs_dir3_data_first_offset(mp)); } /* diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c index 8993ec1..8f84153 100644 --- a/fs/xfs/xfs_dir2_readdir.c +++ b/fs/xfs/xfs_dir2_readdir.c @@ -119,9 +119,9 @@ xfs_dir2_sf_getdents( * mp->m_dirdatablk. */ dot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, - XFS_DIR3_DATA_DOT_OFFSET(mp)); + xfs_dir3_data_dot_offset(mp)); dotdot_offset = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk, - XFS_DIR3_DATA_DOTDOT_OFFSET(mp)); + xfs_dir3_data_dotdot_offset(mp)); /* * Put . entry unless we're starting past it. diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c index bb6e284..3ef6d40 100644 --- a/fs/xfs/xfs_dir2_sf.c +++ b/fs/xfs/xfs_dir2_sf.c @@ -557,7 +557,7 @@ xfs_dir2_sf_addname_hard( * to insert the new entry. * If it's going to end up at the end then oldsfep will point there. */ - for (offset = XFS_DIR3_DATA_FIRST_OFFSET(mp), + for (offset = xfs_dir3_data_first_offset(mp), oldsfep = xfs_dir2_sf_firstentry(oldsfp), add_datasize = xfs_dir3_data_entsize(mp, args->namelen), eof = (char *)oldsfep == &buf[old_isize]; @@ -640,7 +640,7 @@ xfs_dir2_sf_addname_pick( sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; size = xfs_dir3_data_entsize(mp, args->namelen); - offset = XFS_DIR3_DATA_FIRST_OFFSET(mp); + offset = xfs_dir3_data_first_offset(mp); sfep = xfs_dir2_sf_firstentry(sfp); holefit = 0; /* @@ -713,7 +713,7 @@ xfs_dir2_sf_check( mp = dp->i_mount; sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; - offset = XFS_DIR3_DATA_FIRST_OFFSET(mp); + offset = xfs_dir3_data_first_offset(mp); ino = xfs_dir2_sf_get_parent_ino(sfp); i8count = ino > XFS_DIR2_MAX_SHORT_INUM; diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index 71520e6..1ee776d 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -64,7 +64,8 @@ int xfs_dqerror_mod = 33; struct kmem_zone *xfs_qm_dqtrxzone; static struct kmem_zone *xfs_qm_dqzone; -static struct lock_class_key xfs_dquot_other_class; +static struct lock_class_key xfs_dquot_group_class; +static struct lock_class_key xfs_dquot_project_class; /* * This is called to free all the memory associated with a dquot @@ -703,8 +704,20 @@ xfs_qm_dqread( * Make sure group quotas have a different lock class than user * quotas. */ - if (!(type & XFS_DQ_USER)) - lockdep_set_class(&dqp->q_qlock, &xfs_dquot_other_class); + switch (type) { + case XFS_DQ_USER: + /* uses the default lock class */ + break; + case XFS_DQ_GROUP: + lockdep_set_class(&dqp->q_qlock, &xfs_dquot_group_class); + break; + case XFS_DQ_PROJ: + lockdep_set_class(&dqp->q_qlock, &xfs_dquot_project_class); + break; + default: + ASSERT(0); + break; + } XFS_STATS_INC(xs_qm_dquot); diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index cc17987..3979749 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -1585,6 +1585,7 @@ xlog_recover_add_to_trans( "bad number of regions (%d) in inode log format", in_f->ilf_size); ASSERT(0); + kmem_free(ptr); return XFS_ERROR(EIO); } diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h index d06079c..99b490b 100644 --- a/include/asm-generic/hugetlb.h +++ b/include/asm-generic/hugetlb.h @@ -6,12 +6,12 @@ static inline pte_t mk_huge_pte(struct page *page, pgprot_t pgprot) return mk_pte(page, pgprot); } -static inline int huge_pte_write(pte_t pte) +static inline unsigned long huge_pte_write(pte_t pte) { return pte_write(pte); } -static inline int huge_pte_dirty(pte_t pte) +static inline unsigned long huge_pte_dirty(pte_t pte) { return pte_dirty(pte); } diff --git a/include/asm-generic/vtime.h b/include/asm-generic/vtime.h index e69de29..b1a4967 100644 --- a/include/asm-generic/vtime.h +++ b/include/asm-generic/vtime.h @@ -0,0 +1 @@ +/* no content, but patch(1) dislikes empty files */ diff --git a/include/dt-bindings/pinctrl/omap.h b/include/dt-bindings/pinctrl/omap.h index edbd250..bed35e3 100644 --- a/include/dt-bindings/pinctrl/omap.h +++ b/include/dt-bindings/pinctrl/omap.h @@ -23,7 +23,7 @@ #define PULL_UP (1 << 4) #define ALTELECTRICALSEL (1 << 5) -/* 34xx specific mux bit defines */ +/* omap3/4/5 specific mux bit defines */ #define INPUT_EN (1 << 8) #define OFF_EN (1 << 9) #define OFFOUT_EN (1 << 10) @@ -31,8 +31,6 @@ #define OFF_PULL_EN (1 << 12) #define OFF_PULL_UP (1 << 13) #define WAKEUP_EN (1 << 14) - -/* 44xx specific mux bit defines */ #define WAKEUP_EVENT (1 << 15) /* Active pin states */ diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h index f7f1d71..089743a 100644 --- a/include/linux/balloon_compaction.h +++ b/include/linux/balloon_compaction.h @@ -159,6 +159,26 @@ static inline bool balloon_page_movable(struct page *page) } /* + * isolated_balloon_page - identify an isolated balloon page on private + * compaction/migration page lists. + * + * After a compaction thread isolates a balloon page for migration, it raises + * the page refcount to prevent concurrent compaction threads from re-isolating + * the same page. For that reason putback_movable_pages(), or other routines + * that need to identify isolated balloon pages on private pagelists, cannot + * rely on balloon_page_movable() to accomplish the task. + */ +static inline bool isolated_balloon_page(struct page *page) +{ + /* Already isolated balloon pages, by default, have a raised refcount */ + if (page_flags_cleared(page) && !page_mapped(page) && + page_count(page) >= 2) + return __is_movable_balloon_page(page); + + return false; +} + +/* * balloon_page_insert - insert a page into the balloon's page list and make * the page->mapping assignment accordingly. * @page : page to be assigned as a 'balloon page' @@ -243,6 +263,11 @@ static inline bool balloon_page_movable(struct page *page) return false; } +static inline bool isolated_balloon_page(struct page *page) +{ + return false; +} + static inline bool balloon_page_isolate(struct page *page) { return false; diff --git a/include/linux/bcma/bcma_driver_pci.h b/include/linux/bcma/bcma_driver_pci.h index d66033f..0333e60 100644 --- a/include/linux/bcma/bcma_driver_pci.h +++ b/include/linux/bcma/bcma_driver_pci.h @@ -242,6 +242,7 @@ extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core, bool enable); extern void bcma_core_pci_up(struct bcma_bus *bus); extern void bcma_core_pci_down(struct bcma_bus *bus); +extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up); extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev); extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev); diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h index 842de22..ded4299 100644 --- a/include/linux/compiler-gcc4.h +++ b/include/linux/compiler-gcc4.h @@ -65,6 +65,21 @@ #define __visible __attribute__((externally_visible)) #endif +/* + * GCC 'asm goto' miscompiles certain code sequences: + * + * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58670 + * + * Work it around via a compiler barrier quirk suggested by Jakub Jelinek. + * Fixed in GCC 4.8.2 and later versions. + * + * (asm goto is automatically volatile - the naming reflects this.) + */ +#if GCC_VERSION <= 40801 +# define asm_volatile_goto(x...) do { asm goto(x); asm (""); } while (0) +#else +# define asm_volatile_goto(x...) do { asm goto(x); } while (0) +#endif #ifdef CONFIG_ARCH_USE_BUILTIN_BSWAP #if GCC_VERSION >= 40400 diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 801ff9e..fbd25c3 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -18,6 +18,7 @@ #include <linux/cpumask.h> struct device; +struct device_node; struct cpu { int node_id; /* The node which contains the CPU */ @@ -29,6 +30,8 @@ extern int register_cpu(struct cpu *cpu, int num); extern struct device *get_cpu_device(unsigned cpu); extern bool cpu_is_hotpluggable(unsigned cpu); extern bool arch_match_cpu_phys_id(int cpu, u64 phys_id); +extern bool arch_find_n_match_cpu_physical_id(struct device_node *cpun, + int cpu, unsigned int *thread); extern int cpu_add_dev_attr(struct device_attribute *attr); extern void cpu_remove_dev_attr(struct device_attribute *attr); diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 78e2ada..d380c5e 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -55,7 +55,7 @@ #define DMAR_IQT_REG 0x88 /* Invalidation queue tail register */ #define DMAR_IQ_SHIFT 4 /* Invalidation queue head/tail shift */ #define DMAR_IQA_REG 0x90 /* Invalidation queue addr register */ -#define DMAR_ICS_REG 0x98 /* Invalidation complete status register */ +#define DMAR_ICS_REG 0x9c /* Invalidation complete status register */ #define DMAR_IRTA_REG 0xb8 /* Interrupt remapping table addr register */ #define OFFSET_STRIDE (9) diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 482ad2d..672ddc4 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -439,6 +439,17 @@ static inline char *hex_byte_pack(char *buf, u8 byte) return buf; } +extern const char hex_asc_upper[]; +#define hex_asc_upper_lo(x) hex_asc_upper[((x) & 0x0f)] +#define hex_asc_upper_hi(x) hex_asc_upper[((x) & 0xf0) >> 4] + +static inline char *hex_byte_pack_upper(char *buf, u8 byte) +{ + *buf++ = hex_asc_upper_hi(byte); + *buf++ = hex_asc_upper_lo(byte); + return buf; +} + static inline char * __deprecated pack_hex_byte(char *buf, u8 byte) { return hex_byte_pack(buf, byte); diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h index 09c2300..cb35835 100644 --- a/include/linux/miscdevice.h +++ b/include/linux/miscdevice.h @@ -45,6 +45,7 @@ #define MAPPER_CTRL_MINOR 236 #define LOOP_CTRL_MINOR 237 #define VHOST_NET_MINOR 238 +#define UHID_MINOR 239 #define MISC_DYNAMIC_MINOR 255 struct device; diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 01fd84b..49f52c8 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -1455,7 +1455,8 @@ struct nfs_rpc_ops { struct inode * (*open_context) (struct inode *dir, struct nfs_open_context *ctx, int open_flags, - struct iattr *iattr); + struct iattr *iattr, + int *); int (*have_delegation)(struct inode *, fmode_t); int (*return_delegation)(struct inode *); struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *); diff --git a/include/linux/of.h b/include/linux/of.h index b97f685..f927957 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -277,6 +277,7 @@ extern int of_n_size_cells(struct device_node *np); extern const struct of_device_id *of_match_node( const struct of_device_id *matches, const struct device_node *node); extern int of_modalias_node(struct device_node *node, char *modalias, int len); +extern void of_print_phandle_args(const char *msg, const struct of_phandle_args *args); extern struct device_node *of_parse_phandle(const struct device_node *np, const char *phandle_name, int index); diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h index fcd63ba..c0d6dfe 100644 --- a/include/linux/of_irq.h +++ b/include/linux/of_irq.h @@ -8,22 +8,6 @@ #include <linux/ioport.h> #include <linux/of.h> -/** - * of_irq - container for device_node/irq_specifier pair for an irq controller - * @controller: pointer to interrupt controller device tree node - * @size: size of interrupt specifier - * @specifier: array of cells @size long specifing the specific interrupt - * - * This structure is returned when an interrupt is mapped. The controller - * field needs to be put() after use - */ -#define OF_MAX_IRQ_SPEC 4 /* We handle specifiers of at most 4 cells */ -struct of_irq { - struct device_node *controller; /* Interrupt controller node */ - u32 size; /* Specifier size */ - u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */ -}; - typedef int (*of_irq_init_cb_t)(struct device_node *, struct device_node *); /* @@ -35,27 +19,22 @@ typedef int (*of_irq_init_cb_t)(struct device_node *, struct device_node *); #if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC) extern unsigned int of_irq_workarounds; extern struct device_node *of_irq_dflt_pic; -extern int of_irq_map_oldworld(struct device_node *device, int index, - struct of_irq *out_irq); +extern int of_irq_parse_oldworld(struct device_node *device, int index, + struct of_phandle_args *out_irq); #else /* CONFIG_PPC32 && CONFIG_PPC_PMAC */ #define of_irq_workarounds (0) #define of_irq_dflt_pic (NULL) -static inline int of_irq_map_oldworld(struct device_node *device, int index, - struct of_irq *out_irq) +static inline int of_irq_parse_oldworld(struct device_node *device, int index, + struct of_phandle_args *out_irq) { return -EINVAL; } #endif /* CONFIG_PPC32 && CONFIG_PPC_PMAC */ - -extern int of_irq_map_raw(struct device_node *parent, const __be32 *intspec, - u32 ointsize, const __be32 *addr, - struct of_irq *out_irq); -extern int of_irq_map_one(struct device_node *device, int index, - struct of_irq *out_irq); -extern unsigned int irq_create_of_mapping(struct device_node *controller, - const u32 *intspec, - unsigned int intsize); +extern int of_irq_parse_raw(const __be32 *addr, struct of_phandle_args *out_irq); +extern int of_irq_parse_one(struct device_node *device, int index, + struct of_phandle_args *out_irq); +extern unsigned int irq_create_of_mapping(struct of_phandle_args *irq_data); extern int of_irq_to_resource(struct device_node *dev, int index, struct resource *r); extern int of_irq_count(struct device_node *dev); diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h index fd9c408..1a1f5ff 100644 --- a/include/linux/of_pci.h +++ b/include/linux/of_pci.h @@ -5,8 +5,9 @@ #include <linux/msi.h> struct pci_dev; -struct of_irq; -int of_irq_map_pci(const struct pci_dev *pdev, struct of_irq *out_irq); +struct of_phandle_args; +int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq); +int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin); struct device_node; struct device_node *of_pci_find_child_device(struct device_node *parent, diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 866e85c..c8ba627 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -294,9 +294,31 @@ struct ring_buffer; */ struct perf_event { #ifdef CONFIG_PERF_EVENTS - struct list_head group_entry; + /* + * entry onto perf_event_context::event_list; + * modifications require ctx->lock + * RCU safe iterations. + */ struct list_head event_entry; + + /* + * XXX: group_entry and sibling_list should be mutually exclusive; + * either you're a sibling on a group, or you're the group leader. + * Rework the code to always use the same list element. + * + * Locked for modification by both ctx->mutex and ctx->lock; holding + * either sufficies for read. + */ + struct list_head group_entry; struct list_head sibling_list; + + /* + * We need storage to track the entries in perf_pmu_migrate_context; we + * cannot use the event_entry because of RCU and we want to keep the + * group in tact which avoids us using the other two entries. + */ + struct list_head migrate_entry; + struct hlist_node hlist_entry; int nr_siblings; int group_flags; diff --git a/include/linux/random.h b/include/linux/random.h index 3b9377d..6312dd9 100644 --- a/include/linux/random.h +++ b/include/linux/random.h @@ -17,6 +17,7 @@ extern void add_interrupt_randomness(int irq, int irq_flags); extern void get_random_bytes(void *buf, int nbytes); extern void get_random_bytes_arch(void *buf, int nbytes); void generate_random_uuid(unsigned char uuid_out[16]); +extern int random_int_secret_init(void); #ifndef MODULE extern const struct file_operations random_fops, urandom_fops; diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 67e13aa..9bdad43 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -40,6 +40,8 @@ enum regulator_status { }; /** + * struct regulator_linear_range - specify linear voltage ranges + * * Specify a range of voltages for regulator_map_linar_range() and * regulator_list_linear_range(). * diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 2ddb48d..c2d8933 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -498,7 +498,7 @@ struct sk_buff { * headers if needed */ __u8 encapsulation:1; - /* 7/9 bit hole (depending on ndisc_nodetype presence) */ + /* 6/8 bit hole (depending on ndisc_nodetype presence) */ kmemcheck_bitfield_end(flags2); #if defined CONFIG_NET_DMA || defined CONFIG_NET_RX_BUSY_POLL diff --git a/include/linux/timex.h b/include/linux/timex.h index dd3edd7..9d3f1a5 100644 --- a/include/linux/timex.h +++ b/include/linux/timex.h @@ -64,6 +64,20 @@ #include <asm/timex.h> +#ifndef random_get_entropy +/* + * The random_get_entropy() function is used by the /dev/random driver + * in order to extract entropy via the relative unpredictability of + * when an interrupt takes places versus a high speed, fine-grained + * timing source or cycle counter. Since it will be occurred on every + * single interrupt, it must have a very low cost/overhead. + * + * By default we use get_cycles() for this purpose, but individual + * architectures may override this in their asm/timex.h header file. + */ +#define random_get_entropy() get_cycles() +#endif + /* * SHIFT_PLL is used as a dampening factor to define how much we * adjust the frequency correction for a given offset in PLL mode. diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index 9cb2fe8..e303eef 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -42,6 +42,7 @@ struct usbnet { struct usb_host_endpoint *status; unsigned maxpacket; struct timer_list delay; + const char *padding_pkt; /* protocol/interface state */ struct net_device *net; diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h index 80cf817..2c02f3a 100644 --- a/include/linux/vgaarb.h +++ b/include/linux/vgaarb.h @@ -65,15 +65,8 @@ struct pci_dev; * out of the arbitration process (and can be safe to take * interrupts at any time. */ -#if defined(CONFIG_VGA_ARB) extern void vga_set_legacy_decoding(struct pci_dev *pdev, unsigned int decodes); -#else -static inline void vga_set_legacy_decoding(struct pci_dev *pdev, - unsigned int decodes) -{ -} -#endif /** * vga_get - acquire & locks VGA resources diff --git a/include/net/addrconf.h b/include/net/addrconf.h index fb314de..86505bf 100644 --- a/include/net/addrconf.h +++ b/include/net/addrconf.h @@ -67,6 +67,10 @@ int ipv6_chk_addr(struct net *net, const struct in6_addr *addr, int ipv6_chk_home_addr(struct net *net, const struct in6_addr *addr); #endif +bool ipv6_chk_custom_prefix(const struct in6_addr *addr, + const unsigned int prefix_len, + struct net_device *dev); + int ipv6_chk_prefix(const struct in6_addr *addr, struct net_device *dev); struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net, diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index aaeaf09..15f1084 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -104,6 +104,7 @@ enum { enum { HCI_SETUP, HCI_AUTO_OFF, + HCI_RFKILLED, HCI_MGMT, HCI_PAIRABLE, HCI_SERVICE_CACHE, diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h index f0d70f0..9c4d37e 100644 --- a/include/net/ip_vs.h +++ b/include/net/ip_vs.h @@ -723,8 +723,6 @@ struct ip_vs_dest_dst { struct rcu_head rcu_head; }; -/* In grace period after removing */ -#define IP_VS_DEST_STATE_REMOVING 0x01 /* * The real server destination forwarding entry * with ip address, port number, and so on. @@ -742,7 +740,7 @@ struct ip_vs_dest { atomic_t refcnt; /* reference counter */ struct ip_vs_stats stats; /* statistics */ - unsigned long state; /* state flags */ + unsigned long idle_start; /* start time, jiffies */ /* connection counters and thresholds */ atomic_t activeconns; /* active connections */ @@ -756,14 +754,13 @@ struct ip_vs_dest { struct ip_vs_dest_dst __rcu *dest_dst; /* cached dst info */ /* for virtual service */ - struct ip_vs_service *svc; /* service it belongs to */ + struct ip_vs_service __rcu *svc; /* service it belongs to */ __u16 protocol; /* which protocol (TCP/UDP) */ __be16 vport; /* virtual port number */ union nf_inet_addr vaddr; /* virtual IP address */ __u32 vfwmark; /* firewall mark of service */ struct list_head t_list; /* in dest_trash */ - struct rcu_head rcu_head; unsigned int in_rs_table:1; /* we are in rs_table */ }; @@ -1649,7 +1646,7 @@ static inline void ip_vs_conn_drop_conntrack(struct ip_vs_conn *cp) /* CONFIG_IP_VS_NFCT */ #endif -static inline unsigned int +static inline int ip_vs_dest_conn_overhead(struct ip_vs_dest *dest) { /* diff --git a/include/net/mrp.h b/include/net/mrp.h index 4fbf02a..0f7558b 100644 --- a/include/net/mrp.h +++ b/include/net/mrp.h @@ -112,6 +112,7 @@ struct mrp_applicant { struct mrp_application *app; struct net_device *dev; struct timer_list join_timer; + struct timer_list periodic_timer; spinlock_t lock; struct sk_buff_head queue; diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index 1313456..9d22f08 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -74,6 +74,7 @@ struct net { struct hlist_head *dev_index_head; unsigned int dev_base_seq; /* protected by rtnl_mutex */ int ifindex; + unsigned int dev_unreg_count; /* core fib_rules */ struct list_head rules_ops; diff --git a/include/net/netfilter/nf_conntrack_synproxy.h b/include/net/netfilter/nf_conntrack_synproxy.h index 806f54a..f572f31 100644 --- a/include/net/netfilter/nf_conntrack_synproxy.h +++ b/include/net/netfilter/nf_conntrack_synproxy.h @@ -56,7 +56,7 @@ struct synproxy_options { struct tcphdr; struct xt_synproxy_info; -extern void synproxy_parse_options(const struct sk_buff *skb, unsigned int doff, +extern bool synproxy_parse_options(const struct sk_buff *skb, unsigned int doff, const struct tcphdr *th, struct synproxy_options *opts); extern unsigned int synproxy_options_size(const struct synproxy_options *opts); diff --git a/include/net/secure_seq.h b/include/net/secure_seq.h index 6ca975b..c2e542b 100644 --- a/include/net/secure_seq.h +++ b/include/net/secure_seq.h @@ -3,7 +3,6 @@ #include <linux/types.h> -extern void net_secret_init(void); extern __u32 secure_ip_id(__be32 daddr); extern __u32 secure_ipv6_id(const __be32 daddr[4]); extern u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport); diff --git a/include/net/sock.h b/include/net/sock.h index 6ba2e7b..1d37a80 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -409,6 +409,11 @@ struct sock { void (*sk_destruct)(struct sock *sk); }; +#define __sk_user_data(sk) ((*((void __rcu **)&(sk)->sk_user_data))) + +#define rcu_dereference_sk_user_data(sk) rcu_dereference(__sk_user_data((sk))) +#define rcu_assign_sk_user_data(sk, ptr) rcu_assign_pointer(__sk_user_data((sk)), ptr) + /* * SK_CAN_REUSE and SK_NO_REUSE on a socket mean that the socket is OK * or not whether his port will be reused by someone else. SK_FORCE_REUSE diff --git a/init/main.c b/init/main.c index af310af..63d3e8f 100644 --- a/init/main.c +++ b/init/main.c @@ -76,6 +76,7 @@ #include <linux/elevator.h> #include <linux/sched_clock.h> #include <linux/context_tracking.h> +#include <linux/random.h> #include <asm/io.h> #include <asm/bugs.h> @@ -780,6 +781,7 @@ static void __init do_basic_setup(void) do_ctors(); usermodehelper_enable(); do_initcalls(); + random_int_secret_init(); } static void __init do_pre_smp_initcalls(void) @@ -695,6 +695,12 @@ long do_msgsnd(int msqid, long mtype, void __user *mtext, if (ipcperms(ns, &msq->q_perm, S_IWUGO)) goto out_unlock0; + /* raced with RMID? */ + if (msq->q_perm.deleted) { + err = -EIDRM; + goto out_unlock0; + } + err = security_msg_queue_msgsnd(msq, msg, msgflg); if (err) goto out_unlock0; @@ -901,6 +907,13 @@ long do_msgrcv(int msqid, void __user *buf, size_t bufsz, long msgtyp, int msgfl goto out_unlock1; ipc_lock_object(&msq->q_perm); + + /* raced with RMID? */ + if (msq->q_perm.deleted) { + msg = ERR_PTR(-EIDRM); + goto out_unlock0; + } + msg = find_msg(msq, &msgtyp, mode); if (!IS_ERR(msg)) { /* @@ -253,70 +253,112 @@ static void sem_rcu_free(struct rcu_head *head) } /* + * Wait until all currently ongoing simple ops have completed. + * Caller must own sem_perm.lock. + * New simple ops cannot start, because simple ops first check + * that sem_perm.lock is free. + * that a) sem_perm.lock is free and b) complex_count is 0. + */ +static void sem_wait_array(struct sem_array *sma) +{ + int i; + struct sem *sem; + + if (sma->complex_count) { + /* The thread that increased sma->complex_count waited on + * all sem->lock locks. Thus we don't need to wait again. + */ + return; + } + + for (i = 0; i < sma->sem_nsems; i++) { + sem = sma->sem_base + i; + spin_unlock_wait(&sem->lock); + } +} + +/* * If the request contains only one semaphore operation, and there are * no complex transactions pending, lock only the semaphore involved. * Otherwise, lock the entire semaphore array, since we either have * multiple semaphores in our own semops, or we need to look at * semaphores from other pending complex operations. - * - * Carefully guard against sma->complex_count changing between zero - * and non-zero while we are spinning for the lock. The value of - * sma->complex_count cannot change while we are holding the lock, - * so sem_unlock should be fine. - * - * The global lock path checks that all the local locks have been released, - * checking each local lock once. This means that the local lock paths - * cannot start their critical sections while the global lock is held. */ static inline int sem_lock(struct sem_array *sma, struct sembuf *sops, int nsops) { - int locknum; - again: - if (nsops == 1 && !sma->complex_count) { - struct sem *sem = sma->sem_base + sops->sem_num; + struct sem *sem; - /* Lock just the semaphore we are interested in. */ - spin_lock(&sem->lock); + if (nsops != 1) { + /* Complex operation - acquire a full lock */ + ipc_lock_object(&sma->sem_perm); - /* - * If sma->complex_count was set while we were spinning, - * we may need to look at things we did not lock here. + /* And wait until all simple ops that are processed + * right now have dropped their locks. */ - if (unlikely(sma->complex_count)) { - spin_unlock(&sem->lock); - goto lock_array; - } + sem_wait_array(sma); + return -1; + } + /* + * Only one semaphore affected - try to optimize locking. + * The rules are: + * - optimized locking is possible if no complex operation + * is either enqueued or processed right now. + * - The test for enqueued complex ops is simple: + * sma->complex_count != 0 + * - Testing for complex ops that are processed right now is + * a bit more difficult. Complex ops acquire the full lock + * and first wait that the running simple ops have completed. + * (see above) + * Thus: If we own a simple lock and the global lock is free + * and complex_count is now 0, then it will stay 0 and + * thus just locking sem->lock is sufficient. + */ + sem = sma->sem_base + sops->sem_num; + + if (sma->complex_count == 0) { /* - * Another process is holding the global lock on the - * sem_array; we cannot enter our critical section, - * but have to wait for the global lock to be released. + * It appears that no complex operation is around. + * Acquire the per-semaphore lock. */ - if (unlikely(spin_is_locked(&sma->sem_perm.lock))) { - spin_unlock(&sem->lock); - spin_unlock_wait(&sma->sem_perm.lock); - goto again; + spin_lock(&sem->lock); + + /* Then check that the global lock is free */ + if (!spin_is_locked(&sma->sem_perm.lock)) { + /* spin_is_locked() is not a memory barrier */ + smp_mb(); + + /* Now repeat the test of complex_count: + * It can't change anymore until we drop sem->lock. + * Thus: if is now 0, then it will stay 0. + */ + if (sma->complex_count == 0) { + /* fast path successful! */ + return sops->sem_num; + } } + spin_unlock(&sem->lock); + } - locknum = sops->sem_num; + /* slow path: acquire the full lock */ + ipc_lock_object(&sma->sem_perm); + + if (sma->complex_count == 0) { + /* False alarm: + * There is no complex operation, thus we can switch + * back to the fast path. + */ + spin_lock(&sem->lock); + ipc_unlock_object(&sma->sem_perm); + return sops->sem_num; } else { - int i; - /* - * Lock the semaphore array, and wait for all of the - * individual semaphore locks to go away. The code - * above ensures no new single-lock holders will enter - * their critical section while the array lock is held. + /* Not a false alarm, thus complete the sequence for a + * full lock. */ - lock_array: - ipc_lock_object(&sma->sem_perm); - for (i = 0; i < sma->sem_nsems; i++) { - struct sem *sem = sma->sem_base + i; - spin_unlock_wait(&sem->lock); - } - locknum = -1; + sem_wait_array(sma); + return -1; } - return locknum; } static inline void sem_unlock(struct sem_array *sma, int locknum) @@ -876,6 +918,24 @@ again: } /** + * set_semotime(sma, sops) - set sem_otime + * @sma: semaphore array + * @sops: operations that modified the array, may be NULL + * + * sem_otime is replicated to avoid cache line trashing. + * This function sets one instance to the current time. + */ +static void set_semotime(struct sem_array *sma, struct sembuf *sops) +{ + if (sops == NULL) { + sma->sem_base[0].sem_otime = get_seconds(); + } else { + sma->sem_base[sops[0].sem_num].sem_otime = + get_seconds(); + } +} + +/** * do_smart_update(sma, sops, nsops, otime, pt) - optimized update_queue * @sma: semaphore array * @sops: operations that were performed @@ -925,17 +985,10 @@ static void do_smart_update(struct sem_array *sma, struct sembuf *sops, int nsop } } } - if (otime) { - if (sops == NULL) { - sma->sem_base[0].sem_otime = get_seconds(); - } else { - sma->sem_base[sops[0].sem_num].sem_otime = - get_seconds(); - } - } + if (otime) + set_semotime(sma, sops); } - /* The following counts are associated to each semaphore: * semncnt number of tasks waiting on semval being nonzero * semzcnt number of tasks waiting on semval being zero @@ -1797,12 +1850,17 @@ SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops, error = perform_atomic_semop(sma, sops, nsops, un, task_tgid_vnr(current)); - if (error <= 0) { - if (alter && error == 0) + if (error == 0) { + /* If the operation was successful, then do + * the required updates. + */ + if (alter) do_smart_update(sma, sops, nsops, 1, &tasks); - - goto out_unlock_free; + else + set_semotime(sma, sops); } + if (error <= 0) + goto out_unlock_free; /* We need to sleep on this operation, so we put the current * task into the pending queue and go to sleep. @@ -2061,6 +2119,14 @@ static int sysvipc_sem_proc_show(struct seq_file *s, void *it) struct sem_array *sma = it; time_t sem_otime; + /* + * The proc interface isn't aware of sem_lock(), it calls + * ipc_lock_object() directly (in sysvipc_find_ipc). + * In order to stay compatible with sem_lock(), we must wait until + * all simple semop() calls have left their critical regions. + */ + sem_wait_array(sma); + sem_otime = get_semotime(sma); return seq_printf(s, diff --git a/kernel/events/core.c b/kernel/events/core.c index cb4238e..d49a9d2 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -7234,15 +7234,15 @@ void perf_pmu_migrate_context(struct pmu *pmu, int src_cpu, int dst_cpu) perf_remove_from_context(event); unaccount_event_cpu(event, src_cpu); put_ctx(src_ctx); - list_add(&event->event_entry, &events); + list_add(&event->migrate_entry, &events); } mutex_unlock(&src_ctx->mutex); synchronize_rcu(); mutex_lock(&dst_ctx->mutex); - list_for_each_entry_safe(event, tmp, &events, event_entry) { - list_del(&event->event_entry); + list_for_each_entry_safe(event, tmp, &events, migrate_entry) { + list_del(&event->migrate_entry); if (event->state >= PERF_EVENT_STATE_OFF) event->state = PERF_EVENT_STATE_INACTIVE; account_event_cpu(event, dst_cpu); diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c index 706724e..cf68bb3 100644 --- a/kernel/irq/irqdomain.c +++ b/kernel/irq/irqdomain.c @@ -465,27 +465,26 @@ int irq_create_strict_mappings(struct irq_domain *domain, unsigned int irq_base, } EXPORT_SYMBOL_GPL(irq_create_strict_mappings); -unsigned int irq_create_of_mapping(struct device_node *controller, - const u32 *intspec, unsigned int intsize) +unsigned int irq_create_of_mapping(struct of_phandle_args *irq_data) { struct irq_domain *domain; irq_hw_number_t hwirq; unsigned int type = IRQ_TYPE_NONE; unsigned int virq; - domain = controller ? irq_find_host(controller) : irq_default_domain; + domain = irq_data->np ? irq_find_host(irq_data->np) : irq_default_domain; if (!domain) { pr_warn("no irq domain found for %s !\n", - of_node_full_name(controller)); + of_node_full_name(irq_data->np)); return 0; } /* If domain has no translation, then we assume interrupt line */ if (domain->ops->xlate == NULL) - hwirq = intspec[0]; + hwirq = irq_data->args[0]; else { - if (domain->ops->xlate(domain, controller, intspec, intsize, - &hwirq, &type)) + if (domain->ops->xlate(domain, irq_data->np, irq_data->args, + irq_data->args_count, &hwirq, &type)) return 0; } diff --git a/kernel/kmod.c b/kernel/kmod.c index fb32636..b086006 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -571,6 +571,10 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait) DECLARE_COMPLETION_ONSTACK(done); int retval = 0; + if (!sub_info->path) { + call_usermodehelper_freeinfo(sub_info); + return -EINVAL; + } helper_lock(); if (!khelper_wq || usermodehelper_disabled) { retval = -EBUSY; diff --git a/kernel/pid.c b/kernel/pid.c index ebe5e80..9b9a266 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -273,6 +273,11 @@ void free_pid(struct pid *pid) */ wake_up_process(ns->child_reaper); break; + case PIDNS_HASH_ADDING: + /* Handle a fork failure of the first process */ + WARN_ON(ns->child_reaper); + ns->nr_hashed = 0; + /* fall through */ case 0: schedule_work(&ns->proc_work); break; diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c index 358a146..98c3b34 100644 --- a/kernel/power/snapshot.c +++ b/kernel/power/snapshot.c @@ -743,7 +743,10 @@ int create_basic_memory_bitmaps(void) struct memory_bitmap *bm1, *bm2; int error = 0; - BUG_ON(forbidden_pages_map || free_pages_map); + if (forbidden_pages_map && free_pages_map) + return 0; + else + BUG_ON(forbidden_pages_map || free_pages_map); bm1 = kzalloc(sizeof(struct memory_bitmap), GFP_KERNEL); if (!bm1) diff --git a/kernel/power/user.c b/kernel/power/user.c index 72e8f4f..957f061 100644 --- a/kernel/power/user.c +++ b/kernel/power/user.c @@ -39,6 +39,7 @@ static struct snapshot_data { char frozen; char ready; char platform_support; + bool free_bitmaps; } snapshot_state; atomic_t snapshot_device_available = ATOMIC_INIT(1); @@ -82,6 +83,10 @@ static int snapshot_open(struct inode *inode, struct file *filp) data->swap = -1; data->mode = O_WRONLY; error = pm_notifier_call_chain(PM_RESTORE_PREPARE); + if (!error) { + error = create_basic_memory_bitmaps(); + data->free_bitmaps = !error; + } if (error) pm_notifier_call_chain(PM_POST_RESTORE); } @@ -111,6 +116,8 @@ static int snapshot_release(struct inode *inode, struct file *filp) pm_restore_gfp_mask(); free_basic_memory_bitmaps(); thaw_processes(); + } else if (data->free_bitmaps) { + free_basic_memory_bitmaps(); } pm_notifier_call_chain(data->mode == O_RDONLY ? PM_POST_HIBERNATION : PM_POST_RESTORE); @@ -231,6 +238,7 @@ static long snapshot_ioctl(struct file *filp, unsigned int cmd, break; pm_restore_gfp_mask(); free_basic_memory_bitmaps(); + data->free_bitmaps = false; thaw_processes(); data->frozen = 0; break; diff --git a/kernel/softirq.c b/kernel/softirq.c index 53cc09c..d7d498d 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -328,10 +328,19 @@ void irq_enter(void) static inline void invoke_softirq(void) { - if (!force_irqthreads) - __do_softirq(); - else + if (!force_irqthreads) { + /* + * We can safely execute softirq on the current stack if + * it is the irq stack, because it should be near empty + * at this stage. But we have no way to know if the arch + * calls irq_exit() on the irq stack. So call softirq + * in its own stack to prevent from any overrun on top + * of a potentially deep task stack. + */ + do_softirq(); + } else { wakeup_softirqd(); + } } static inline void tick_irq_exit(void) diff --git a/lib/hexdump.c b/lib/hexdump.c index 3f0494c..8499c81 100644 --- a/lib/hexdump.c +++ b/lib/hexdump.c @@ -14,6 +14,8 @@ const char hex_asc[] = "0123456789abcdef"; EXPORT_SYMBOL(hex_asc); +const char hex_asc_upper[] = "0123456789ABCDEF"; +EXPORT_SYMBOL(hex_asc_upper); /** * hex_to_bin - convert a hex digit to its real value diff --git a/lib/kobject.c b/lib/kobject.c index 669bf19..084f7b1 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -592,7 +592,7 @@ static void kobject_release(struct kref *kref) { struct kobject *kobj = container_of(kref, struct kobject, kref); #ifdef CONFIG_DEBUG_KOBJECT_RELEASE - pr_debug("kobject: '%s' (%p): %s, parent %p (delayed)\n", + pr_info("kobject: '%s' (%p): %s, parent %p (delayed)\n", kobject_name(kobj), kobj, __func__, kobj->parent); INIT_DELAYED_WORK(&kobj->release, kobject_delayed_cleanup); schedule_delayed_work(&kobj->release, HZ); @@ -183,7 +183,7 @@ config MEMORY_HOTPLUG_SPARSE config MEMORY_HOTREMOVE bool "Allow for memory hot remove" select MEMORY_ISOLATION - select HAVE_BOOTMEM_INFO_NODE if X86_64 + select HAVE_BOOTMEM_INFO_NODE if (X86_64 || PPC64) depends on MEMORY_HOTPLUG && ARCH_ENABLE_MEMORY_HOTREMOVE depends on MIGRATION diff --git a/mm/bounce.c b/mm/bounce.c index c9f0a43..5a7d58f 100644 --- a/mm/bounce.c +++ b/mm/bounce.c @@ -204,6 +204,8 @@ static void __blk_queue_bounce(struct request_queue *q, struct bio **bio_orig, struct bio_vec *to, *from; unsigned i; + if (force) + goto bounce; bio_for_each_segment(from, *bio_orig, i) if (page_to_pfn(from->bv_page) > queue_bounce_pfn(q)) goto bounce; diff --git a/mm/compaction.c b/mm/compaction.c index c437893..b5326b1 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -677,6 +677,13 @@ static void isolate_freepages(struct zone *zone, pfn -= pageblock_nr_pages) { unsigned long isolated; + /* + * This can iterate a massively long zone without finding any + * suitable migration targets, so periodically check if we need + * to schedule. + */ + cond_resched(); + if (!pfn_valid(pfn)) continue; diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c index afc2daa..4c84678 100644 --- a/mm/hwpoison-inject.c +++ b/mm/hwpoison-inject.c @@ -20,8 +20,6 @@ static int hwpoison_inject(void *data, u64 val) if (!capable(CAP_SYS_ADMIN)) return -EPERM; - if (!hwpoison_filter_enable) - goto inject; if (!pfn_valid(pfn)) return -ENXIO; @@ -33,6 +31,9 @@ static int hwpoison_inject(void *data, u64 val) if (!get_page_unless_zero(hpage)) return 0; + if (!hwpoison_filter_enable) + goto inject; + if (!PageLRU(p) && !PageHuge(p)) shake_page(p, 0); /* diff --git a/mm/madvise.c b/mm/madvise.c index 6975bc8..539eeb9 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -343,10 +343,11 @@ static long madvise_remove(struct vm_area_struct *vma, */ static int madvise_hwpoison(int bhv, unsigned long start, unsigned long end) { + struct page *p; if (!capable(CAP_SYS_ADMIN)) return -EPERM; - for (; start < end; start += PAGE_SIZE) { - struct page *p; + for (; start < end; start += PAGE_SIZE << + compound_order(compound_head(p))) { int ret; ret = get_user_pages_fast(start, 1, 0, &p); diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 947ed54..bf3351b 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1114,8 +1114,10 @@ int memory_failure(unsigned long pfn, int trapno, int flags) * shake_page could have turned it free. */ if (is_free_buddy_page(p)) { - action_result(pfn, "free buddy, 2nd try", - DELAYED); + if (flags & MF_COUNT_INCREASED) + action_result(pfn, "free buddy", DELAYED); + else + action_result(pfn, "free buddy, 2nd try", DELAYED); return 0; } action_result(pfn, "non LRU", IGNORED); @@ -1349,7 +1351,7 @@ int unpoison_memory(unsigned long pfn) * worked by memory_failure() and the page lock is not held yet. * In such case, we yield to memory_failure() and make unpoison fail. */ - if (PageTransHuge(page)) { + if (!PageHuge(page) && PageTransHuge(page)) { pr_info("MCE: Memory failure is now running on %#lx\n", pfn); return 0; } diff --git a/mm/migrate.c b/mm/migrate.c index 9c8d5f5..a26bccd 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -107,7 +107,7 @@ void putback_movable_pages(struct list_head *l) list_del(&page->lru); dec_zone_page_state(page, NR_ISOLATED_ANON + page_is_file_cache(page)); - if (unlikely(balloon_page_movable(page))) + if (unlikely(isolated_balloon_page(page))) balloon_page_putback(page); else putback_lru_page(page); @@ -379,10 +379,14 @@ static unsigned long __munlock_pagevec_fill(struct pagevec *pvec, /* * Initialize pte walk starting at the already pinned page where we - * are sure that there is a pte. + * are sure that there is a pte, as it was pinned under the same + * mmap_sem write op. */ pte = get_locked_pte(vma->vm_mm, start, &ptl); - end = min(end, pmd_addr_end(start, end)); + /* Make sure we do not cross the page table boundary */ + end = pgd_addr_end(start, end); + end = pud_addr_end(start, end); + end = pmd_addr_end(start, end); /* The page next to the pinned page is the first we will try to get */ start += PAGE_SIZE; diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 0ee638f..dd886fa 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6366,10 +6366,6 @@ __offline_isolated_pages(unsigned long start_pfn, unsigned long end_pfn) list_del(&page->lru); rmv_page_order(page); zone->free_area[order].nr_free--; -#ifdef CONFIG_HIGHMEM - if (PageHighMem(page)) - totalhigh_pages -= 1 << order; -#endif for (i = 0; i < (1 << order); i++) SetPageReserved((page+i)); pfn += (1 << order); diff --git a/mm/vmscan.c b/mm/vmscan.c index beb3577..53f2f82 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -48,6 +48,7 @@ #include <asm/div64.h> #include <linux/swapops.h> +#include <linux/balloon_compaction.h> #include "internal.h" @@ -1113,7 +1114,8 @@ unsigned long reclaim_clean_pages_from_list(struct zone *zone, LIST_HEAD(clean_pages); list_for_each_entry_safe(page, next, page_list, lru) { - if (page_is_file_cache(page) && !PageDirty(page)) { + if (page_is_file_cache(page) && !PageDirty(page) && + !isolated_balloon_page(page)) { ClearPageActive(page); list_move(&page->lru, &clean_pages); } diff --git a/net/802/mrp.c b/net/802/mrp.c index 1eb05d8..3ed6162 100644 --- a/net/802/mrp.c +++ b/net/802/mrp.c @@ -24,6 +24,11 @@ static unsigned int mrp_join_time __read_mostly = 200; module_param(mrp_join_time, uint, 0644); MODULE_PARM_DESC(mrp_join_time, "Join time in ms (default 200ms)"); + +static unsigned int mrp_periodic_time __read_mostly = 1000; +module_param(mrp_periodic_time, uint, 0644); +MODULE_PARM_DESC(mrp_periodic_time, "Periodic time in ms (default 1s)"); + MODULE_LICENSE("GPL"); static const u8 @@ -595,6 +600,24 @@ static void mrp_join_timer(unsigned long data) mrp_join_timer_arm(app); } +static void mrp_periodic_timer_arm(struct mrp_applicant *app) +{ + mod_timer(&app->periodic_timer, + jiffies + msecs_to_jiffies(mrp_periodic_time)); +} + +static void mrp_periodic_timer(unsigned long data) +{ + struct mrp_applicant *app = (struct mrp_applicant *)data; + + spin_lock(&app->lock); + mrp_mad_event(app, MRP_EVENT_PERIODIC); + mrp_pdu_queue(app); + spin_unlock(&app->lock); + + mrp_periodic_timer_arm(app); +} + static int mrp_pdu_parse_end_mark(struct sk_buff *skb, int *offset) { __be16 endmark; @@ -845,6 +868,9 @@ int mrp_init_applicant(struct net_device *dev, struct mrp_application *appl) rcu_assign_pointer(dev->mrp_port->applicants[appl->type], app); setup_timer(&app->join_timer, mrp_join_timer, (unsigned long)app); mrp_join_timer_arm(app); + setup_timer(&app->periodic_timer, mrp_periodic_timer, + (unsigned long)app); + mrp_periodic_timer_arm(app); return 0; err3: @@ -870,6 +896,7 @@ void mrp_uninit_applicant(struct net_device *dev, struct mrp_application *appl) * all pending messages before the applicant is gone. */ del_timer_sync(&app->join_timer); + del_timer_sync(&app->periodic_timer); spin_lock_bh(&app->lock); mrp_mad_event(app, MRP_EVENT_TX); diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 634deba..fb7356f 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -1146,7 +1146,11 @@ int hci_dev_open(__u16 dev) goto done; } - if (hdev->rfkill && rfkill_blocked(hdev->rfkill)) { + /* Check for rfkill but allow the HCI setup stage to proceed + * (which in itself doesn't cause any RF activity). + */ + if (test_bit(HCI_RFKILLED, &hdev->dev_flags) && + !test_bit(HCI_SETUP, &hdev->dev_flags)) { ret = -ERFKILL; goto done; } @@ -1566,10 +1570,13 @@ static int hci_rfkill_set_block(void *data, bool blocked) BT_DBG("%p name %s blocked %d", hdev, hdev->name, blocked); - if (!blocked) - return 0; - - hci_dev_do_close(hdev); + if (blocked) { + set_bit(HCI_RFKILLED, &hdev->dev_flags); + if (!test_bit(HCI_SETUP, &hdev->dev_flags)) + hci_dev_do_close(hdev); + } else { + clear_bit(HCI_RFKILLED, &hdev->dev_flags); + } return 0; } @@ -1591,9 +1598,13 @@ static void hci_power_on(struct work_struct *work) return; } - if (test_bit(HCI_AUTO_OFF, &hdev->dev_flags)) + if (test_bit(HCI_RFKILLED, &hdev->dev_flags)) { + clear_bit(HCI_AUTO_OFF, &hdev->dev_flags); + hci_dev_do_close(hdev); + } else if (test_bit(HCI_AUTO_OFF, &hdev->dev_flags)) { queue_delayed_work(hdev->req_workqueue, &hdev->power_off, HCI_AUTO_OFF_TIMEOUT); + } if (test_and_clear_bit(HCI_SETUP, &hdev->dev_flags)) mgmt_index_added(hdev); @@ -2209,6 +2220,9 @@ int hci_register_dev(struct hci_dev *hdev) } } + if (hdev->rfkill && rfkill_blocked(hdev->rfkill)) + set_bit(HCI_RFKILLED, &hdev->dev_flags); + set_bit(HCI_SETUP, &hdev->dev_flags); if (hdev->dev_type != HCI_AMP) diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 94aab73..8db3e89 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -3557,7 +3557,11 @@ static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb) cp.handle = cpu_to_le16(conn->handle); if (ltk->authenticated) - conn->sec_level = BT_SECURITY_HIGH; + conn->pending_sec_level = BT_SECURITY_HIGH; + else + conn->pending_sec_level = BT_SECURITY_MEDIUM; + + conn->enc_key_size = ltk->enc_size; hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp); diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index b3bb7bc..63fa111 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -3755,6 +3755,13 @@ static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn, sk = chan->sk; + /* For certain devices (ex: HID mouse), support for authentication, + * pairing and bonding is optional. For such devices, inorder to avoid + * the ACL alive for too long after L2CAP disconnection, reset the ACL + * disc_timeout back to HCI_DISCONN_TIMEOUT during L2CAP connect. + */ + conn->hcon->disc_timeout = HCI_DISCONN_TIMEOUT; + bacpy(&bt_sk(sk)->src, conn->src); bacpy(&bt_sk(sk)->dst, conn->dst); chan->psm = psm; diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c index 6d126fa..84fcf9f 100644 --- a/net/bluetooth/rfcomm/tty.c +++ b/net/bluetooth/rfcomm/tty.c @@ -569,7 +569,6 @@ static void rfcomm_dev_data_ready(struct rfcomm_dlc *dlc, struct sk_buff *skb) static void rfcomm_dev_state_change(struct rfcomm_dlc *dlc, int err) { struct rfcomm_dev *dev = dlc->owner; - struct tty_struct *tty; if (!dev) return; @@ -581,38 +580,8 @@ static void rfcomm_dev_state_change(struct rfcomm_dlc *dlc, int err) DPM_ORDER_DEV_AFTER_PARENT); wake_up_interruptible(&dev->port.open_wait); - } else if (dlc->state == BT_CLOSED) { - tty = tty_port_tty_get(&dev->port); - if (!tty) { - if (test_bit(RFCOMM_RELEASE_ONHUP, &dev->flags)) { - /* Drop DLC lock here to avoid deadlock - * 1. rfcomm_dev_get will take rfcomm_dev_lock - * but in rfcomm_dev_add there's lock order: - * rfcomm_dev_lock -> dlc lock - * 2. tty_port_put will deadlock if it's - * the last reference - * - * FIXME: when we release the lock anything - * could happen to dev, even its destruction - */ - rfcomm_dlc_unlock(dlc); - if (rfcomm_dev_get(dev->id) == NULL) { - rfcomm_dlc_lock(dlc); - return; - } - - if (!test_and_set_bit(RFCOMM_TTY_RELEASED, - &dev->flags)) - tty_port_put(&dev->port); - - tty_port_put(&dev->port); - rfcomm_dlc_lock(dlc); - } - } else { - tty_hangup(tty); - tty_kref_put(tty); - } - } + } else if (dlc->state == BT_CLOSED) + tty_port_tty_hangup(&dev->port, false); } static void rfcomm_dev_modem_status(struct rfcomm_dlc *dlc, u8 v24_sig) diff --git a/net/core/dev.c b/net/core/dev.c index 5c713f2..65f829c 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -5247,10 +5247,12 @@ static int dev_new_index(struct net *net) /* Delayed registration/unregisteration */ static LIST_HEAD(net_todo_list); +static DECLARE_WAIT_QUEUE_HEAD(netdev_unregistering_wq); static void net_set_todo(struct net_device *dev) { list_add_tail(&dev->todo_list, &net_todo_list); + dev_net(dev)->dev_unreg_count++; } static void rollback_registered_many(struct list_head *head) @@ -5918,6 +5920,12 @@ void netdev_run_todo(void) if (dev->destructor) dev->destructor(dev); + /* Report a network device has been unregistered */ + rtnl_lock(); + dev_net(dev)->dev_unreg_count--; + __rtnl_unlock(); + wake_up(&netdev_unregistering_wq); + /* Free network device */ kobject_put(&dev->dev.kobj); } @@ -6603,6 +6611,34 @@ static void __net_exit default_device_exit(struct net *net) rtnl_unlock(); } +static void __net_exit rtnl_lock_unregistering(struct list_head *net_list) +{ + /* Return with the rtnl_lock held when there are no network + * devices unregistering in any network namespace in net_list. + */ + struct net *net; + bool unregistering; + DEFINE_WAIT(wait); + + for (;;) { + prepare_to_wait(&netdev_unregistering_wq, &wait, + TASK_UNINTERRUPTIBLE); + unregistering = false; + rtnl_lock(); + list_for_each_entry(net, net_list, exit_list) { + if (net->dev_unreg_count > 0) { + unregistering = true; + break; + } + } + if (!unregistering) + break; + __rtnl_unlock(); + schedule(); + } + finish_wait(&netdev_unregistering_wq, &wait); +} + static void __net_exit default_device_exit_batch(struct list_head *net_list) { /* At exit all network devices most be removed from a network @@ -6614,7 +6650,18 @@ static void __net_exit default_device_exit_batch(struct list_head *net_list) struct net *net; LIST_HEAD(dev_kill_list); - rtnl_lock(); + /* To prevent network device cleanup code from dereferencing + * loopback devices or network devices that have been freed + * wait here for all pending unregistrations to complete, + * before unregistring the loopback device and allowing the + * network namespace be freed. + * + * The netdev todo list containing all network devices + * unregistrations that happen in default_device_exit_batch + * will run in the rtnl_unlock() at the end of + * default_device_exit_batch. + */ + rtnl_lock_unregistering(net_list); list_for_each_entry(net, net_list, exit_list) { for_each_netdev_reverse(net, dev) { if (dev->rtnl_link_ops) diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 1929af8..8d7d0dd 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -154,8 +154,8 @@ ipv6: if (poff >= 0) { __be32 *ports, _ports; - nhoff += poff; - ports = skb_header_pointer(skb, nhoff, sizeof(_ports), &_ports); + ports = skb_header_pointer(skb, nhoff + poff, + sizeof(_ports), &_ports); if (ports) flow->ports = *ports; } diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c index 6a2f13c..3f1ec15 100644 --- a/net/core/secure_seq.c +++ b/net/core/secure_seq.c @@ -10,11 +10,24 @@ #include <net/secure_seq.h> -static u32 net_secret[MD5_MESSAGE_BYTES / 4] ____cacheline_aligned; +#define NET_SECRET_SIZE (MD5_MESSAGE_BYTES / 4) -void net_secret_init(void) +static u32 net_secret[NET_SECRET_SIZE] ____cacheline_aligned; + +static void net_secret_init(void) { - get_random_bytes(net_secret, sizeof(net_secret)); + u32 tmp; + int i; + + if (likely(net_secret[0])) + return; + + for (i = NET_SECRET_SIZE; i > 0;) { + do { + get_random_bytes(&tmp, sizeof(tmp)); + } while (!tmp); + cmpxchg(&net_secret[--i], 0, tmp); + } } #ifdef CONFIG_INET @@ -42,6 +55,7 @@ __u32 secure_tcpv6_sequence_number(const __be32 *saddr, const __be32 *daddr, u32 hash[MD5_DIGEST_WORDS]; u32 i; + net_secret_init(); memcpy(hash, saddr, 16); for (i = 0; i < 4; i++) secret[i] = net_secret[i] + (__force u32)daddr[i]; @@ -63,6 +77,7 @@ u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr, u32 hash[MD5_DIGEST_WORDS]; u32 i; + net_secret_init(); memcpy(hash, saddr, 16); for (i = 0; i < 4; i++) secret[i] = net_secret[i] + (__force u32) daddr[i]; @@ -82,6 +97,7 @@ __u32 secure_ip_id(__be32 daddr) { u32 hash[MD5_DIGEST_WORDS]; + net_secret_init(); hash[0] = (__force __u32) daddr; hash[1] = net_secret[13]; hash[2] = net_secret[14]; @@ -96,6 +112,7 @@ __u32 secure_ipv6_id(const __be32 daddr[4]) { __u32 hash[4]; + net_secret_init(); memcpy(hash, daddr, 16); md5_transform(hash, net_secret); @@ -107,6 +124,7 @@ __u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr, { u32 hash[MD5_DIGEST_WORDS]; + net_secret_init(); hash[0] = (__force u32)saddr; hash[1] = (__force u32)daddr; hash[2] = ((__force u16)sport << 16) + (__force u16)dport; @@ -121,6 +139,7 @@ u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport) { u32 hash[MD5_DIGEST_WORDS]; + net_secret_init(); hash[0] = (__force u32)saddr; hash[1] = (__force u32)daddr; hash[2] = (__force u32)dport ^ net_secret[14]; @@ -140,6 +159,7 @@ u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr, u32 hash[MD5_DIGEST_WORDS]; u64 seq; + net_secret_init(); hash[0] = (__force u32)saddr; hash[1] = (__force u32)daddr; hash[2] = ((__force u16)sport << 16) + (__force u16)dport; @@ -164,6 +184,7 @@ u64 secure_dccpv6_sequence_number(__be32 *saddr, __be32 *daddr, u64 seq; u32 i; + net_secret_init(); memcpy(hash, saddr, 16); for (i = 0; i < 4; i++) secret[i] = net_secret[i] + daddr[i]; diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 7a1874b..cfeb85c 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -263,10 +263,8 @@ void build_ehash_secret(void) get_random_bytes(&rnd, sizeof(rnd)); } while (rnd == 0); - if (cmpxchg(&inet_ehash_secret, 0, rnd) == 0) { + if (cmpxchg(&inet_ehash_secret, 0, rnd) == 0) get_random_bytes(&ipv6_hash_secret, sizeof(ipv6_hash_secret)); - net_secret_init(); - } } EXPORT_SYMBOL(build_ehash_secret); diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index dace87f..7defdc9 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -736,7 +736,7 @@ static void igmp_gq_timer_expire(unsigned long data) in_dev->mr_gq_running = 0; igmpv3_send_report(in_dev, NULL); - __in_dev_put(in_dev); + in_dev_put(in_dev); } static void igmp_ifc_timer_expire(unsigned long data) @@ -749,7 +749,7 @@ static void igmp_ifc_timer_expire(unsigned long data) igmp_ifc_start_timer(in_dev, unsolicited_report_interval(in_dev)); } - __in_dev_put(in_dev); + in_dev_put(in_dev); } static void igmp_ifc_event(struct in_device *in_dev) diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c index ac9fabe0..63a6d6d 100644 --- a/net/ipv4/ip_tunnel.c +++ b/net/ipv4/ip_tunnel.c @@ -623,6 +623,7 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, tunnel->err_count = 0; } + tos = ip_tunnel_ecn_encap(tos, inner_iph, skb); ttl = tnl_params->ttl; if (ttl == 0) { if (skb->protocol == htons(ETH_P_IP)) @@ -641,18 +642,17 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, max_headroom = LL_RESERVED_SPACE(rt->dst.dev) + sizeof(struct iphdr) + rt->dst.header_len; - if (max_headroom > dev->needed_headroom) { + if (max_headroom > dev->needed_headroom) dev->needed_headroom = max_headroom; - if (skb_cow_head(skb, dev->needed_headroom)) { - dev->stats.tx_dropped++; - dev_kfree_skb(skb); - return; - } + + if (skb_cow_head(skb, dev->needed_headroom)) { + dev->stats.tx_dropped++; + dev_kfree_skb(skb); + return; } err = iptunnel_xmit(rt, skb, fl4.saddr, fl4.daddr, protocol, - ip_tunnel_ecn_encap(tos, inner_iph, skb), ttl, df, - !net_eq(tunnel->net, dev_net(dev))); + tos, ttl, df, !net_eq(tunnel->net, dev_net(dev))); iptunnel_xmit_stats(err, &dev->stats, dev->tstats); return; @@ -853,8 +853,10 @@ int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id, /* FB netdevice is special: we have one, and only one per netns. * Allowing to move it to another netns is clearly unsafe. */ - if (!IS_ERR(itn->fb_tunnel_dev)) + if (!IS_ERR(itn->fb_tunnel_dev)) { itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL; + ip_tunnel_add(itn, netdev_priv(itn->fb_tunnel_dev)); + } rtnl_unlock(); return PTR_RET(itn->fb_tunnel_dev); @@ -884,8 +886,6 @@ static void ip_tunnel_destroy(struct ip_tunnel_net *itn, struct list_head *head, if (!net_eq(dev_net(t->dev), net)) unregister_netdevice_queue(t->dev, head); } - if (itn->fb_tunnel_dev) - unregister_netdevice_queue(itn->fb_tunnel_dev, head); } void ip_tunnel_delete_net(struct ip_tunnel_net *itn, struct rtnl_link_ops *ops) diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index d6c856b..c31e3ad 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -61,7 +61,7 @@ int iptunnel_xmit(struct rtable *rt, struct sk_buff *skb, memset(IPCB(skb), 0, sizeof(*IPCB(skb))); /* Push down and install the IP header. */ - __skb_push(skb, sizeof(struct iphdr)); + skb_push(skb, sizeof(struct iphdr)); skb_reset_network_header(skb); iph = ip_hdr(skb); diff --git a/net/ipv4/netfilter/ipt_SYNPROXY.c b/net/ipv4/netfilter/ipt_SYNPROXY.c index 67e17dc..b6346bf 100644 --- a/net/ipv4/netfilter/ipt_SYNPROXY.c +++ b/net/ipv4/netfilter/ipt_SYNPROXY.c @@ -267,7 +267,8 @@ synproxy_tg4(struct sk_buff *skb, const struct xt_action_param *par) if (th == NULL) return NF_DROP; - synproxy_parse_options(skb, par->thoff, th, &opts); + if (!synproxy_parse_options(skb, par->thoff, th, &opts)) + return NF_DROP; if (th->syn && !(th->ack || th->fin || th->rst)) { /* Initial SYN from client */ @@ -350,7 +351,8 @@ static unsigned int ipv4_synproxy_hook(unsigned int hooknum, /* fall through */ case TCP_CONNTRACK_SYN_SENT: - synproxy_parse_options(skb, thoff, th, &opts); + if (!synproxy_parse_options(skb, thoff, th, &opts)) + return NF_DROP; if (!th->syn && th->ack && CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL) { @@ -373,7 +375,9 @@ static unsigned int ipv4_synproxy_hook(unsigned int hooknum, if (!th->syn || !th->ack) break; - synproxy_parse_options(skb, thoff, th, &opts); + if (!synproxy_parse_options(skb, thoff, th, &opts)) + return NF_DROP; + if (opts.options & XT_SYNPROXY_OPT_TIMESTAMP) synproxy->tsoff = opts.tsval - synproxy->its; diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index bfec521..193db03 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -218,8 +218,10 @@ static void raw_err(struct sock *sk, struct sk_buff *skb, u32 info) if (type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED) ipv4_sk_update_pmtu(skb, sk, info); - else if (type == ICMP_REDIRECT) + else if (type == ICMP_REDIRECT) { ipv4_sk_redirect(skb, sk); + return; + } /* Report error on raw socket, if: 1. User requested ip_recverr. diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 7c83cb8..e6bb825 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -895,8 +895,7 @@ static int tcp_transmit_skb(struct sock *sk, struct sk_buff *skb, int clone_it, skb_orphan(skb); skb->sk = sk; - skb->destructor = (sysctl_tcp_limit_output_bytes > 0) ? - tcp_wfree : sock_wfree; + skb->destructor = tcp_wfree; atomic_add(skb->truesize, &sk->sk_wmem_alloc); /* Build TCP header and checksum it. */ @@ -1840,7 +1839,6 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, while ((skb = tcp_send_head(sk))) { unsigned int limit; - tso_segs = tcp_init_tso_segs(sk, skb, mss_now); BUG_ON(!tso_segs); @@ -1869,13 +1867,20 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, break; } - /* TSQ : sk_wmem_alloc accounts skb truesize, - * including skb overhead. But thats OK. + /* TCP Small Queues : + * Control number of packets in qdisc/devices to two packets / or ~1 ms. + * This allows for : + * - better RTT estimation and ACK scheduling + * - faster recovery + * - high rates */ - if (atomic_read(&sk->sk_wmem_alloc) >= sysctl_tcp_limit_output_bytes) { + limit = max(skb->truesize, sk->sk_pacing_rate >> 10); + + if (atomic_read(&sk->sk_wmem_alloc) > limit) { set_bit(TSQ_THROTTLED, &tp->tsq_flags); break; } + limit = mss_now; if (tso_segs > 1 && !tcp_urg_mode(tp)) limit = tcp_mss_split_point(sk, skb, mss_now, diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 74d2c95..0ca44df 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -658,7 +658,7 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable) break; case ICMP_REDIRECT: ipv4_sk_redirect(skb, sk); - break; + goto out; } /* diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index d6ff126..cd3fb30 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1499,6 +1499,33 @@ static bool ipv6_chk_same_addr(struct net *net, const struct in6_addr *addr, return false; } +/* Compares an address/prefix_len with addresses on device @dev. + * If one is found it returns true. + */ +bool ipv6_chk_custom_prefix(const struct in6_addr *addr, + const unsigned int prefix_len, struct net_device *dev) +{ + struct inet6_dev *idev; + struct inet6_ifaddr *ifa; + bool ret = false; + + rcu_read_lock(); + idev = __in6_dev_get(dev); + if (idev) { + read_lock_bh(&idev->lock); + list_for_each_entry(ifa, &idev->addr_list, if_list) { + ret = ipv6_prefix_equal(addr, &ifa->addr, prefix_len); + if (ret) + break; + } + read_unlock_bh(&idev->lock); + } + rcu_read_unlock(); + + return ret; +} +EXPORT_SYMBOL(ipv6_chk_custom_prefix); + int ipv6_chk_prefix(const struct in6_addr *addr, struct net_device *dev) { struct inet6_dev *idev; @@ -2193,43 +2220,21 @@ ok: else stored_lft = 0; if (!update_lft && !create && stored_lft) { - if (valid_lft > MIN_VALID_LIFETIME || - valid_lft > stored_lft) - update_lft = 1; - else if (stored_lft <= MIN_VALID_LIFETIME) { - /* valid_lft <= stored_lft is always true */ - /* - * RFC 4862 Section 5.5.3e: - * "Note that the preferred lifetime of - * the corresponding address is always - * reset to the Preferred Lifetime in - * the received Prefix Information - * option, regardless of whether the - * valid lifetime is also reset or - * ignored." - * - * So if the preferred lifetime in - * this advertisement is different - * than what we have stored, but the - * valid lifetime is invalid, just - * reset prefered_lft. - * - * We must set the valid lifetime - * to the stored lifetime since we'll - * be updating the timestamp below, - * else we'll set it back to the - * minimum. - */ - if (prefered_lft != ifp->prefered_lft) { - valid_lft = stored_lft; - update_lft = 1; - } - } else { - valid_lft = MIN_VALID_LIFETIME; - if (valid_lft < prefered_lft) - prefered_lft = valid_lft; - update_lft = 1; - } + const u32 minimum_lft = min( + stored_lft, (u32)MIN_VALID_LIFETIME); + valid_lft = max(valid_lft, minimum_lft); + + /* RFC4862 Section 5.5.3e: + * "Note that the preferred lifetime of the + * corresponding address is always reset to + * the Preferred Lifetime in the received + * Prefix Information option, regardless of + * whether the valid lifetime is also reset or + * ignored." + * + * So we should always update prefered_lft here. + */ + update_lft = 1; } if (update_lft) { diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 6b26e9f..7bb5446 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -618,7 +618,7 @@ static netdev_tx_t ip6gre_xmit2(struct sk_buff *skb, struct ip6_tnl *tunnel = netdev_priv(dev); struct net_device *tdev; /* Device to other host */ struct ipv6hdr *ipv6h; /* Our new IP header */ - unsigned int max_headroom; /* The extra header space needed */ + unsigned int max_headroom = 0; /* The extra header space needed */ int gre_hlen; struct ipv6_tel_txoption opt; int mtu; @@ -693,7 +693,7 @@ static netdev_tx_t ip6gre_xmit2(struct sk_buff *skb, skb_scrub_packet(skb, !net_eq(tunnel->net, dev_net(dev))); - max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen + dst->header_len; + max_headroom += LL_RESERVED_SPACE(tdev) + gre_hlen + dst->header_len; if (skb_headroom(skb) < max_headroom || skb_shared(skb) || (skb_cloned(skb) && !skb_clone_writable(skb, 0))) { diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 3a692d5..a54c45c 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1015,6 +1015,8 @@ static inline int ip6_ufo_append_data(struct sock *sk, * udp datagram */ if ((skb = skb_peek_tail(&sk->sk_write_queue)) == NULL) { + struct frag_hdr fhdr; + skb = sock_alloc_send_skb(sk, hh_len + fragheaderlen + transhdrlen + 20, (flags & MSG_DONTWAIT), &err); @@ -1036,12 +1038,6 @@ static inline int ip6_ufo_append_data(struct sock *sk, skb->protocol = htons(ETH_P_IPV6); skb->ip_summed = CHECKSUM_PARTIAL; skb->csum = 0; - } - - err = skb_append_datato_frags(sk,skb, getfrag, from, - (length - transhdrlen)); - if (!err) { - struct frag_hdr fhdr; /* Specify the length of each IPv6 datagram fragment. * It has to be a multiple of 8. @@ -1052,15 +1048,10 @@ static inline int ip6_ufo_append_data(struct sock *sk, ipv6_select_ident(&fhdr, rt); skb_shinfo(skb)->ip6_frag_id = fhdr.identification; __skb_queue_tail(&sk->sk_write_queue, skb); - - return 0; } - /* There is not enough support do UPD LSO, - * so follow normal path - */ - kfree_skb(skb); - return err; + return skb_append_datato_frags(sk, skb, getfrag, from, + (length - transhdrlen)); } static inline struct ipv6_opt_hdr *ip6_opt_dup(struct ipv6_opt_hdr *src, @@ -1227,27 +1218,27 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, * --yoshfuji */ - cork->length += length; - if (length > mtu) { - int proto = sk->sk_protocol; - if (dontfrag && (proto == IPPROTO_UDP || proto == IPPROTO_RAW)){ - ipv6_local_rxpmtu(sk, fl6, mtu-exthdrlen); - return -EMSGSIZE; - } - - if (proto == IPPROTO_UDP && - (rt->dst.dev->features & NETIF_F_UFO)) { + if ((length > mtu) && dontfrag && (sk->sk_protocol == IPPROTO_UDP || + sk->sk_protocol == IPPROTO_RAW)) { + ipv6_local_rxpmtu(sk, fl6, mtu-exthdrlen); + return -EMSGSIZE; + } - err = ip6_ufo_append_data(sk, getfrag, from, length, - hh_len, fragheaderlen, - transhdrlen, mtu, flags, rt); - if (err) - goto error; - return 0; - } + skb = skb_peek_tail(&sk->sk_write_queue); + cork->length += length; + if (((length > mtu) || + (skb && skb_is_gso(skb))) && + (sk->sk_protocol == IPPROTO_UDP) && + (rt->dst.dev->features & NETIF_F_UFO)) { + err = ip6_ufo_append_data(sk, getfrag, from, length, + hh_len, fragheaderlen, + transhdrlen, mtu, flags, rt); + if (err) + goto error; + return 0; } - if ((skb = skb_peek_tail(&sk->sk_write_queue)) == NULL) + if (!skb) goto alloc_new_skb; while (length > 0) { diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 2d8f482..a791552 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1731,8 +1731,6 @@ static void __net_exit ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n) } } - t = rtnl_dereference(ip6n->tnls_wc[0]); - unregister_netdevice_queue(t->dev, &list); unregister_netdevice_many(&list); } @@ -1752,6 +1750,7 @@ static int __net_init ip6_tnl_init_net(struct net *net) if (!ip6n->fb_tnl_dev) goto err_alloc_dev; dev_net_set(ip6n->fb_tnl_dev, net); + ip6n->fb_tnl_dev->rtnl_link_ops = &ip6_link_ops; /* FB netdevice is special: we have one, and only one per netns. * Allowing to move it to another netns is clearly unsafe. */ diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index 096cd67..d18f9f9 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -2034,7 +2034,7 @@ static void mld_dad_timer_expire(unsigned long data) if (idev->mc_dad_count) mld_dad_start_timer(idev, idev->mc_maxdelay); } - __in6_dev_put(idev); + in6_dev_put(idev); } static int ip6_mc_del1_src(struct ifmcaddr6 *pmc, int sfmode, @@ -2379,7 +2379,7 @@ static void mld_gq_timer_expire(unsigned long data) idev->mc_gq_running = 0; mld_send_report(idev, NULL); - __in6_dev_put(idev); + in6_dev_put(idev); } static void mld_ifc_timer_expire(unsigned long data) @@ -2392,7 +2392,7 @@ static void mld_ifc_timer_expire(unsigned long data) if (idev->mc_ifc_count) mld_ifc_start_timer(idev, idev->mc_maxdelay); } - __in6_dev_put(idev); + in6_dev_put(idev); } static void mld_ifc_event(struct inet6_dev *idev) diff --git a/net/ipv6/netfilter/ip6t_SYNPROXY.c b/net/ipv6/netfilter/ip6t_SYNPROXY.c index 19cfea8..2748b04 100644 --- a/net/ipv6/netfilter/ip6t_SYNPROXY.c +++ b/net/ipv6/netfilter/ip6t_SYNPROXY.c @@ -282,7 +282,8 @@ synproxy_tg6(struct sk_buff *skb, const struct xt_action_param *par) if (th == NULL) return NF_DROP; - synproxy_parse_options(skb, par->thoff, th, &opts); + if (!synproxy_parse_options(skb, par->thoff, th, &opts)) + return NF_DROP; if (th->syn && !(th->ack || th->fin || th->rst)) { /* Initial SYN from client */ @@ -372,7 +373,8 @@ static unsigned int ipv6_synproxy_hook(unsigned int hooknum, /* fall through */ case TCP_CONNTRACK_SYN_SENT: - synproxy_parse_options(skb, thoff, th, &opts); + if (!synproxy_parse_options(skb, thoff, th, &opts)) + return NF_DROP; if (!th->syn && th->ack && CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL) { @@ -395,7 +397,9 @@ static unsigned int ipv6_synproxy_hook(unsigned int hooknum, if (!th->syn || !th->ack) break; - synproxy_parse_options(skb, thoff, th, &opts); + if (!synproxy_parse_options(skb, thoff, th, &opts)) + return NF_DROP; + if (opts.options & XT_SYNPROXY_OPT_TIMESTAMP) synproxy->tsoff = opts.tsval - synproxy->its; diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 58916bb..a4ed241 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -335,8 +335,10 @@ static void rawv6_err(struct sock *sk, struct sk_buff *skb, ip6_sk_update_pmtu(skb, sk, info); harderr = (np->pmtudisc == IPV6_PMTUDISC_DO); } - if (type == NDISC_REDIRECT) + if (type == NDISC_REDIRECT) { ip6_sk_redirect(skb, sk); + return; + } if (np->recverr) { u8 *payload = skb->data; if (!inet->hdrincl) diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 7ee5cb9..1926945 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -566,6 +566,70 @@ static inline bool is_spoofed_6rd(struct ip_tunnel *tunnel, const __be32 v4addr, return false; } +/* Checks if an address matches an address on the tunnel interface. + * Used to detect the NAT of proto 41 packets and let them pass spoofing test. + * Long story: + * This function is called after we considered the packet as spoofed + * in is_spoofed_6rd. + * We may have a router that is doing NAT for proto 41 packets + * for an internal station. Destination a.a.a.a/PREFIX:bbbb:bbbb + * will be translated to n.n.n.n/PREFIX:bbbb:bbbb. And is_spoofed_6rd + * function will return true, dropping the packet. + * But, we can still check if is spoofed against the IP + * addresses associated with the interface. + */ +static bool only_dnatted(const struct ip_tunnel *tunnel, + const struct in6_addr *v6dst) +{ + int prefix_len; + +#ifdef CONFIG_IPV6_SIT_6RD + prefix_len = tunnel->ip6rd.prefixlen + 32 + - tunnel->ip6rd.relay_prefixlen; +#else + prefix_len = 48; +#endif + return ipv6_chk_custom_prefix(v6dst, prefix_len, tunnel->dev); +} + +/* Returns true if a packet is spoofed */ +static bool packet_is_spoofed(struct sk_buff *skb, + const struct iphdr *iph, + struct ip_tunnel *tunnel) +{ + const struct ipv6hdr *ipv6h; + + if (tunnel->dev->priv_flags & IFF_ISATAP) { + if (!isatap_chksrc(skb, iph, tunnel)) + return true; + + return false; + } + + if (tunnel->dev->flags & IFF_POINTOPOINT) + return false; + + ipv6h = ipv6_hdr(skb); + + if (unlikely(is_spoofed_6rd(tunnel, iph->saddr, &ipv6h->saddr))) { + net_warn_ratelimited("Src spoofed %pI4/%pI6c -> %pI4/%pI6c\n", + &iph->saddr, &ipv6h->saddr, + &iph->daddr, &ipv6h->daddr); + return true; + } + + if (likely(!is_spoofed_6rd(tunnel, iph->daddr, &ipv6h->daddr))) + return false; + + if (only_dnatted(tunnel, &ipv6h->daddr)) + return false; + + net_warn_ratelimited("Dst spoofed %pI4/%pI6c -> %pI4/%pI6c\n", + &iph->saddr, &ipv6h->saddr, + &iph->daddr, &ipv6h->daddr); + return true; +} + static int ipip6_rcv(struct sk_buff *skb) { const struct iphdr *iph = ip_hdr(skb); @@ -586,19 +650,9 @@ static int ipip6_rcv(struct sk_buff *skb) IPCB(skb)->flags = 0; skb->protocol = htons(ETH_P_IPV6); - if (tunnel->dev->priv_flags & IFF_ISATAP) { - if (!isatap_chksrc(skb, iph, tunnel)) { - tunnel->dev->stats.rx_errors++; - goto out; - } - } else if (!(tunnel->dev->flags&IFF_POINTOPOINT)) { - if (is_spoofed_6rd(tunnel, iph->saddr, - &ipv6_hdr(skb)->saddr) || - is_spoofed_6rd(tunnel, iph->daddr, - &ipv6_hdr(skb)->daddr)) { - tunnel->dev->stats.rx_errors++; - goto out; - } + if (packet_is_spoofed(skb, iph, tunnel)) { + tunnel->dev->stats.rx_errors++; + goto out; } __skb_tunnel_rx(skb, tunnel->dev, tunnel->net); @@ -748,7 +802,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, neigh = dst_neigh_lookup(skb_dst(skb), &iph6->daddr); if (neigh == NULL) { - net_dbg_ratelimited("sit: nexthop == NULL\n"); + net_dbg_ratelimited("nexthop == NULL\n"); goto tx_error; } @@ -777,7 +831,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, neigh = dst_neigh_lookup(skb_dst(skb), &iph6->daddr); if (neigh == NULL) { - net_dbg_ratelimited("sit: nexthop == NULL\n"); + net_dbg_ratelimited("nexthop == NULL\n"); goto tx_error; } @@ -1612,6 +1666,7 @@ static int __net_init sit_init_net(struct net *net) goto err_alloc_dev; } dev_net_set(sitn->fb_tunnel_dev, net); + sitn->fb_tunnel_dev->rtnl_link_ops = &sit_link_ops; /* FB netdevice is special: we have one, and only one per netns. * Allowing to move it to another netns is clearly unsafe. */ @@ -1646,7 +1701,6 @@ static void __net_exit sit_exit_net(struct net *net) rtnl_lock(); sit_destroy_tunnels(sitn, &list); - unregister_netdevice_queue(sitn->fb_tunnel_dev, &list); unregister_netdevice_many(&list); rtnl_unlock(); } diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index f405815..72b7eaa 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -525,8 +525,10 @@ void __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt, if (type == ICMPV6_PKT_TOOBIG) ip6_sk_update_pmtu(skb, sk, info); - if (type == NDISC_REDIRECT) + if (type == NDISC_REDIRECT) { ip6_sk_redirect(skb, sk); + goto out; + } np = inet6_sk(sk); diff --git a/net/lapb/lapb_timer.c b/net/lapb/lapb_timer.c index 54563ad..355cc3b 100644 --- a/net/lapb/lapb_timer.c +++ b/net/lapb/lapb_timer.c @@ -154,6 +154,7 @@ static void lapb_t1timer_expiry(unsigned long param) } else { lapb->n2count++; lapb_requeue_frames(lapb); + lapb_kick(lapb); } break; diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c index 4f69e83..74fd00c 100644 --- a/net/netfilter/ipvs/ip_vs_core.c +++ b/net/netfilter/ipvs/ip_vs_core.c @@ -116,6 +116,7 @@ ip_vs_in_stats(struct ip_vs_conn *cp, struct sk_buff *skb) if (dest && (dest->flags & IP_VS_DEST_F_AVAILABLE)) { struct ip_vs_cpu_stats *s; + struct ip_vs_service *svc; s = this_cpu_ptr(dest->stats.cpustats); s->ustats.inpkts++; @@ -123,11 +124,14 @@ ip_vs_in_stats(struct ip_vs_conn *cp, struct sk_buff *skb) s->ustats.inbytes += skb->len; u64_stats_update_end(&s->syncp); - s = this_cpu_ptr(dest->svc->stats.cpustats); + rcu_read_lock(); + svc = rcu_dereference(dest->svc); + s = this_cpu_ptr(svc->stats.cpustats); s->ustats.inpkts++; u64_stats_update_begin(&s->syncp); s->ustats.inbytes += skb->len; u64_stats_update_end(&s->syncp); + rcu_read_unlock(); s = this_cpu_ptr(ipvs->tot_stats.cpustats); s->ustats.inpkts++; @@ -146,6 +150,7 @@ ip_vs_out_stats(struct ip_vs_conn *cp, struct sk_buff *skb) if (dest && (dest->flags & IP_VS_DEST_F_AVAILABLE)) { struct ip_vs_cpu_stats *s; + struct ip_vs_service *svc; s = this_cpu_ptr(dest->stats.cpustats); s->ustats.outpkts++; @@ -153,11 +158,14 @@ ip_vs_out_stats(struct ip_vs_conn *cp, struct sk_buff *skb) s->ustats.outbytes += skb->len; u64_stats_update_end(&s->syncp); - s = this_cpu_ptr(dest->svc->stats.cpustats); + rcu_read_lock(); + svc = rcu_dereference(dest->svc); + s = this_cpu_ptr(svc->stats.cpustats); s->ustats.outpkts++; u64_stats_update_begin(&s->syncp); s->ustats.outbytes += skb->len; u64_stats_update_end(&s->syncp); + rcu_read_unlock(); s = this_cpu_ptr(ipvs->tot_stats.cpustats); s->ustats.outpkts++; diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index c8148e4..a3df9bd 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -460,7 +460,7 @@ static inline void __ip_vs_bind_svc(struct ip_vs_dest *dest, struct ip_vs_service *svc) { atomic_inc(&svc->refcnt); - dest->svc = svc; + rcu_assign_pointer(dest->svc, svc); } static void ip_vs_service_free(struct ip_vs_service *svc) @@ -470,18 +470,25 @@ static void ip_vs_service_free(struct ip_vs_service *svc) kfree(svc); } -static void -__ip_vs_unbind_svc(struct ip_vs_dest *dest) +static void ip_vs_service_rcu_free(struct rcu_head *head) { - struct ip_vs_service *svc = dest->svc; + struct ip_vs_service *svc; + + svc = container_of(head, struct ip_vs_service, rcu_head); + ip_vs_service_free(svc); +} - dest->svc = NULL; +static void __ip_vs_svc_put(struct ip_vs_service *svc, bool do_delay) +{ if (atomic_dec_and_test(&svc->refcnt)) { IP_VS_DBG_BUF(3, "Removing service %u/%s:%u\n", svc->fwmark, IP_VS_DBG_ADDR(svc->af, &svc->addr), ntohs(svc->port)); - ip_vs_service_free(svc); + if (do_delay) + call_rcu(&svc->rcu_head, ip_vs_service_rcu_free); + else + ip_vs_service_free(svc); } } @@ -667,11 +674,6 @@ ip_vs_trash_get_dest(struct ip_vs_service *svc, const union nf_inet_addr *daddr, IP_VS_DBG_ADDR(svc->af, &dest->addr), ntohs(dest->port), atomic_read(&dest->refcnt)); - /* We can not reuse dest while in grace period - * because conns still can use dest->svc - */ - if (test_bit(IP_VS_DEST_STATE_REMOVING, &dest->state)) - continue; if (dest->af == svc->af && ip_vs_addr_equal(svc->af, &dest->addr, daddr) && dest->port == dport && @@ -697,8 +699,10 @@ out: static void ip_vs_dest_free(struct ip_vs_dest *dest) { + struct ip_vs_service *svc = rcu_dereference_protected(dest->svc, 1); + __ip_vs_dst_cache_reset(dest); - __ip_vs_unbind_svc(dest); + __ip_vs_svc_put(svc, false); free_percpu(dest->stats.cpustats); kfree(dest); } @@ -771,6 +775,7 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest, struct ip_vs_dest_user_kern *udest, int add) { struct netns_ipvs *ipvs = net_ipvs(svc->net); + struct ip_vs_service *old_svc; struct ip_vs_scheduler *sched; int conn_flags; @@ -792,13 +797,14 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest, atomic_set(&dest->conn_flags, conn_flags); /* bind the service */ - if (!dest->svc) { + old_svc = rcu_dereference_protected(dest->svc, 1); + if (!old_svc) { __ip_vs_bind_svc(dest, svc); } else { - if (dest->svc != svc) { - __ip_vs_unbind_svc(dest); + if (old_svc != svc) { ip_vs_zero_stats(&dest->stats); __ip_vs_bind_svc(dest, svc); + __ip_vs_svc_put(old_svc, true); } } @@ -998,16 +1004,6 @@ ip_vs_edit_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest) return 0; } -static void ip_vs_dest_wait_readers(struct rcu_head *head) -{ - struct ip_vs_dest *dest = container_of(head, struct ip_vs_dest, - rcu_head); - - /* End of grace period after unlinking */ - clear_bit(IP_VS_DEST_STATE_REMOVING, &dest->state); -} - - /* * Delete a destination (must be already unlinked from the service) */ @@ -1023,20 +1019,16 @@ static void __ip_vs_del_dest(struct net *net, struct ip_vs_dest *dest, */ ip_vs_rs_unhash(dest); - if (!cleanup) { - set_bit(IP_VS_DEST_STATE_REMOVING, &dest->state); - call_rcu(&dest->rcu_head, ip_vs_dest_wait_readers); - } - spin_lock_bh(&ipvs->dest_trash_lock); IP_VS_DBG_BUF(3, "Moving dest %s:%u into trash, dest->refcnt=%d\n", IP_VS_DBG_ADDR(dest->af, &dest->addr), ntohs(dest->port), atomic_read(&dest->refcnt)); if (list_empty(&ipvs->dest_trash) && !cleanup) mod_timer(&ipvs->dest_trash_timer, - jiffies + IP_VS_DEST_TRASH_PERIOD); + jiffies + (IP_VS_DEST_TRASH_PERIOD >> 1)); /* dest lives in trash without reference */ list_add(&dest->t_list, &ipvs->dest_trash); + dest->idle_start = 0; spin_unlock_bh(&ipvs->dest_trash_lock); ip_vs_dest_put(dest); } @@ -1108,24 +1100,30 @@ static void ip_vs_dest_trash_expire(unsigned long data) struct net *net = (struct net *) data; struct netns_ipvs *ipvs = net_ipvs(net); struct ip_vs_dest *dest, *next; + unsigned long now = jiffies; spin_lock(&ipvs->dest_trash_lock); list_for_each_entry_safe(dest, next, &ipvs->dest_trash, t_list) { - /* Skip if dest is in grace period */ - if (test_bit(IP_VS_DEST_STATE_REMOVING, &dest->state)) - continue; if (atomic_read(&dest->refcnt) > 0) continue; + if (dest->idle_start) { + if (time_before(now, dest->idle_start + + IP_VS_DEST_TRASH_PERIOD)) + continue; + } else { + dest->idle_start = max(1UL, now); + continue; + } IP_VS_DBG_BUF(3, "Removing destination %u/%s:%u from trash\n", dest->vfwmark, - IP_VS_DBG_ADDR(dest->svc->af, &dest->addr), + IP_VS_DBG_ADDR(dest->af, &dest->addr), ntohs(dest->port)); list_del(&dest->t_list); ip_vs_dest_free(dest); } if (!list_empty(&ipvs->dest_trash)) mod_timer(&ipvs->dest_trash_timer, - jiffies + IP_VS_DEST_TRASH_PERIOD); + jiffies + (IP_VS_DEST_TRASH_PERIOD >> 1)); spin_unlock(&ipvs->dest_trash_lock); } @@ -1320,14 +1318,6 @@ out: return ret; } -static void ip_vs_service_rcu_free(struct rcu_head *head) -{ - struct ip_vs_service *svc; - - svc = container_of(head, struct ip_vs_service, rcu_head); - ip_vs_service_free(svc); -} - /* * Delete a service from the service list * - The service must be unlinked, unlocked and not referenced! @@ -1376,13 +1366,7 @@ static void __ip_vs_del_service(struct ip_vs_service *svc, bool cleanup) /* * Free the service if nobody refers to it */ - if (atomic_dec_and_test(&svc->refcnt)) { - IP_VS_DBG_BUF(3, "Removing service %u/%s:%u\n", - svc->fwmark, - IP_VS_DBG_ADDR(svc->af, &svc->addr), - ntohs(svc->port)); - call_rcu(&svc->rcu_head, ip_vs_service_rcu_free); - } + __ip_vs_svc_put(svc, true); /* decrease the module use count */ ip_vs_use_count_dec(); diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c index 6bee6d0..1425e9a 100644 --- a/net/netfilter/ipvs/ip_vs_est.c +++ b/net/netfilter/ipvs/ip_vs_est.c @@ -59,12 +59,13 @@ static void ip_vs_read_cpu_stats(struct ip_vs_stats_user *sum, struct ip_vs_cpu_stats __percpu *stats) { int i; + bool add = false; for_each_possible_cpu(i) { struct ip_vs_cpu_stats *s = per_cpu_ptr(stats, i); unsigned int start; __u64 inbytes, outbytes; - if (i) { + if (add) { sum->conns += s->ustats.conns; sum->inpkts += s->ustats.inpkts; sum->outpkts += s->ustats.outpkts; @@ -76,6 +77,7 @@ static void ip_vs_read_cpu_stats(struct ip_vs_stats_user *sum, sum->inbytes += inbytes; sum->outbytes += outbytes; } else { + add = true; sum->conns = s->ustats.conns; sum->inpkts = s->ustats.inpkts; sum->outpkts = s->ustats.outpkts; diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c index 1383b0e..eff13c9 100644 --- a/net/netfilter/ipvs/ip_vs_lblc.c +++ b/net/netfilter/ipvs/ip_vs_lblc.c @@ -93,7 +93,7 @@ struct ip_vs_lblc_entry { struct hlist_node list; int af; /* address family */ union nf_inet_addr addr; /* destination IP address */ - struct ip_vs_dest __rcu *dest; /* real server (cache) */ + struct ip_vs_dest *dest; /* real server (cache) */ unsigned long lastuse; /* last used time */ struct rcu_head rcu_head; }; @@ -130,20 +130,21 @@ static struct ctl_table vs_vars_table[] = { }; #endif -static inline void ip_vs_lblc_free(struct ip_vs_lblc_entry *en) +static void ip_vs_lblc_rcu_free(struct rcu_head *head) { - struct ip_vs_dest *dest; + struct ip_vs_lblc_entry *en = container_of(head, + struct ip_vs_lblc_entry, + rcu_head); - hlist_del_rcu(&en->list); - /* - * We don't kfree dest because it is referred either by its service - * or the trash dest list. - */ - dest = rcu_dereference_protected(en->dest, 1); - ip_vs_dest_put(dest); - kfree_rcu(en, rcu_head); + ip_vs_dest_put(en->dest); + kfree(en); } +static inline void ip_vs_lblc_del(struct ip_vs_lblc_entry *en) +{ + hlist_del_rcu(&en->list); + call_rcu(&en->rcu_head, ip_vs_lblc_rcu_free); +} /* * Returns hash value for IPVS LBLC entry @@ -203,30 +204,23 @@ ip_vs_lblc_new(struct ip_vs_lblc_table *tbl, const union nf_inet_addr *daddr, struct ip_vs_lblc_entry *en; en = ip_vs_lblc_get(dest->af, tbl, daddr); - if (!en) { - en = kmalloc(sizeof(*en), GFP_ATOMIC); - if (!en) - return NULL; - - en->af = dest->af; - ip_vs_addr_copy(dest->af, &en->addr, daddr); - en->lastuse = jiffies; + if (en) { + if (en->dest == dest) + return en; + ip_vs_lblc_del(en); + } + en = kmalloc(sizeof(*en), GFP_ATOMIC); + if (!en) + return NULL; - ip_vs_dest_hold(dest); - RCU_INIT_POINTER(en->dest, dest); + en->af = dest->af; + ip_vs_addr_copy(dest->af, &en->addr, daddr); + en->lastuse = jiffies; - ip_vs_lblc_hash(tbl, en); - } else { - struct ip_vs_dest *old_dest; + ip_vs_dest_hold(dest); + en->dest = dest; - old_dest = rcu_dereference_protected(en->dest, 1); - if (old_dest != dest) { - ip_vs_dest_put(old_dest); - ip_vs_dest_hold(dest); - /* No ordering constraints for refcnt */ - RCU_INIT_POINTER(en->dest, dest); - } - } + ip_vs_lblc_hash(tbl, en); return en; } @@ -246,7 +240,7 @@ static void ip_vs_lblc_flush(struct ip_vs_service *svc) tbl->dead = 1; for (i=0; i<IP_VS_LBLC_TAB_SIZE; i++) { hlist_for_each_entry_safe(en, next, &tbl->bucket[i], list) { - ip_vs_lblc_free(en); + ip_vs_lblc_del(en); atomic_dec(&tbl->entries); } } @@ -281,7 +275,7 @@ static inline void ip_vs_lblc_full_check(struct ip_vs_service *svc) sysctl_lblc_expiration(svc))) continue; - ip_vs_lblc_free(en); + ip_vs_lblc_del(en); atomic_dec(&tbl->entries); } spin_unlock(&svc->sched_lock); @@ -335,7 +329,7 @@ static void ip_vs_lblc_check_expire(unsigned long data) if (time_before(now, en->lastuse + ENTRY_TIMEOUT)) continue; - ip_vs_lblc_free(en); + ip_vs_lblc_del(en); atomic_dec(&tbl->entries); goal--; } @@ -443,8 +437,8 @@ __ip_vs_lblc_schedule(struct ip_vs_service *svc) continue; doh = ip_vs_dest_conn_overhead(dest); - if (loh * atomic_read(&dest->weight) > - doh * atomic_read(&least->weight)) { + if ((__s64)loh * atomic_read(&dest->weight) > + (__s64)doh * atomic_read(&least->weight)) { least = dest; loh = doh; } @@ -511,7 +505,7 @@ ip_vs_lblc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb, * free up entries from the trash at any time. */ - dest = rcu_dereference(en->dest); + dest = en->dest; if ((dest->flags & IP_VS_DEST_F_AVAILABLE) && atomic_read(&dest->weight) > 0 && !is_overloaded(dest, svc)) goto out; @@ -631,7 +625,7 @@ static void __exit ip_vs_lblc_cleanup(void) { unregister_ip_vs_scheduler(&ip_vs_lblc_scheduler); unregister_pernet_subsys(&ip_vs_lblc_ops); - synchronize_rcu(); + rcu_barrier(); } diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c index 5199448..0b85500 100644 --- a/net/netfilter/ipvs/ip_vs_lblcr.c +++ b/net/netfilter/ipvs/ip_vs_lblcr.c @@ -89,7 +89,7 @@ */ struct ip_vs_dest_set_elem { struct list_head list; /* list link */ - struct ip_vs_dest __rcu *dest; /* destination server */ + struct ip_vs_dest *dest; /* destination server */ struct rcu_head rcu_head; }; @@ -107,11 +107,7 @@ static void ip_vs_dest_set_insert(struct ip_vs_dest_set *set, if (check) { list_for_each_entry(e, &set->list, list) { - struct ip_vs_dest *d; - - d = rcu_dereference_protected(e->dest, 1); - if (d == dest) - /* already existed */ + if (e->dest == dest) return; } } @@ -121,7 +117,7 @@ static void ip_vs_dest_set_insert(struct ip_vs_dest_set *set, return; ip_vs_dest_hold(dest); - RCU_INIT_POINTER(e->dest, dest); + e->dest = dest; list_add_rcu(&e->list, &set->list); atomic_inc(&set->size); @@ -129,22 +125,27 @@ static void ip_vs_dest_set_insert(struct ip_vs_dest_set *set, set->lastmod = jiffies; } +static void ip_vs_lblcr_elem_rcu_free(struct rcu_head *head) +{ + struct ip_vs_dest_set_elem *e; + + e = container_of(head, struct ip_vs_dest_set_elem, rcu_head); + ip_vs_dest_put(e->dest); + kfree(e); +} + static void ip_vs_dest_set_erase(struct ip_vs_dest_set *set, struct ip_vs_dest *dest) { struct ip_vs_dest_set_elem *e; list_for_each_entry(e, &set->list, list) { - struct ip_vs_dest *d; - - d = rcu_dereference_protected(e->dest, 1); - if (d == dest) { + if (e->dest == dest) { /* HIT */ atomic_dec(&set->size); set->lastmod = jiffies; - ip_vs_dest_put(dest); list_del_rcu(&e->list); - kfree_rcu(e, rcu_head); + call_rcu(&e->rcu_head, ip_vs_lblcr_elem_rcu_free); break; } } @@ -155,16 +156,8 @@ static void ip_vs_dest_set_eraseall(struct ip_vs_dest_set *set) struct ip_vs_dest_set_elem *e, *ep; list_for_each_entry_safe(e, ep, &set->list, list) { - struct ip_vs_dest *d; - - d = rcu_dereference_protected(e->dest, 1); - /* - * We don't kfree dest because it is referred either - * by its service or by the trash dest list. - */ - ip_vs_dest_put(d); list_del_rcu(&e->list); - kfree_rcu(e, rcu_head); + call_rcu(&e->rcu_head, ip_vs_lblcr_elem_rcu_free); } } @@ -175,12 +168,9 @@ static inline struct ip_vs_dest *ip_vs_dest_set_min(struct ip_vs_dest_set *set) struct ip_vs_dest *dest, *least; int loh, doh; - if (set == NULL) - return NULL; - /* select the first destination server, whose weight > 0 */ list_for_each_entry_rcu(e, &set->list, list) { - least = rcu_dereference(e->dest); + least = e->dest; if (least->flags & IP_VS_DEST_F_OVERLOAD) continue; @@ -195,13 +185,13 @@ static inline struct ip_vs_dest *ip_vs_dest_set_min(struct ip_vs_dest_set *set) /* find the destination with the weighted least load */ nextstage: list_for_each_entry_continue_rcu(e, &set->list, list) { - dest = rcu_dereference(e->dest); + dest = e->dest; if (dest->flags & IP_VS_DEST_F_OVERLOAD) continue; doh = ip_vs_dest_conn_overhead(dest); - if ((loh * atomic_read(&dest->weight) > - doh * atomic_read(&least->weight)) + if (((__s64)loh * atomic_read(&dest->weight) > + (__s64)doh * atomic_read(&least->weight)) && (dest->flags & IP_VS_DEST_F_AVAILABLE)) { least = dest; loh = doh; @@ -232,7 +222,7 @@ static inline struct ip_vs_dest *ip_vs_dest_set_max(struct ip_vs_dest_set *set) /* select the first destination server, whose weight > 0 */ list_for_each_entry(e, &set->list, list) { - most = rcu_dereference_protected(e->dest, 1); + most = e->dest; if (atomic_read(&most->weight) > 0) { moh = ip_vs_dest_conn_overhead(most); goto nextstage; @@ -243,11 +233,11 @@ static inline struct ip_vs_dest *ip_vs_dest_set_max(struct ip_vs_dest_set *set) /* find the destination with the weighted most load */ nextstage: list_for_each_entry_continue(e, &set->list, list) { - dest = rcu_dereference_protected(e->dest, 1); + dest = e->dest; doh = ip_vs_dest_conn_overhead(dest); /* moh/mw < doh/dw ==> moh*dw < doh*mw, where mw,dw>0 */ - if ((moh * atomic_read(&dest->weight) < - doh * atomic_read(&most->weight)) + if (((__s64)moh * atomic_read(&dest->weight) < + (__s64)doh * atomic_read(&most->weight)) && (atomic_read(&dest->weight) > 0)) { most = dest; moh = doh; @@ -611,8 +601,8 @@ __ip_vs_lblcr_schedule(struct ip_vs_service *svc) continue; doh = ip_vs_dest_conn_overhead(dest); - if (loh * atomic_read(&dest->weight) > - doh * atomic_read(&least->weight)) { + if ((__s64)loh * atomic_read(&dest->weight) > + (__s64)doh * atomic_read(&least->weight)) { least = dest; loh = doh; } @@ -819,7 +809,7 @@ static void __exit ip_vs_lblcr_cleanup(void) { unregister_ip_vs_scheduler(&ip_vs_lblcr_scheduler); unregister_pernet_subsys(&ip_vs_lblcr_ops); - synchronize_rcu(); + rcu_barrier(); } diff --git a/net/netfilter/ipvs/ip_vs_nq.c b/net/netfilter/ipvs/ip_vs_nq.c index d8d9860..961a6de 100644 --- a/net/netfilter/ipvs/ip_vs_nq.c +++ b/net/netfilter/ipvs/ip_vs_nq.c @@ -40,7 +40,7 @@ #include <net/ip_vs.h> -static inline unsigned int +static inline int ip_vs_nq_dest_overhead(struct ip_vs_dest *dest) { /* @@ -59,7 +59,7 @@ ip_vs_nq_schedule(struct ip_vs_service *svc, const struct sk_buff *skb, struct ip_vs_iphdr *iph) { struct ip_vs_dest *dest, *least = NULL; - unsigned int loh = 0, doh; + int loh = 0, doh; IP_VS_DBG(6, "%s(): Scheduling...\n", __func__); @@ -92,8 +92,8 @@ ip_vs_nq_schedule(struct ip_vs_service *svc, const struct sk_buff *skb, } if (!least || - (loh * atomic_read(&dest->weight) > - doh * atomic_read(&least->weight))) { + ((__s64)loh * atomic_read(&dest->weight) > + (__s64)doh * atomic_read(&least->weight))) { least = dest; loh = doh; } diff --git a/net/netfilter/ipvs/ip_vs_sed.c b/net/netfilter/ipvs/ip_vs_sed.c index a5284cc..e446b9f 100644 --- a/net/netfilter/ipvs/ip_vs_sed.c +++ b/net/netfilter/ipvs/ip_vs_sed.c @@ -44,7 +44,7 @@ #include <net/ip_vs.h> -static inline unsigned int +static inline int ip_vs_sed_dest_overhead(struct ip_vs_dest *dest) { /* @@ -63,7 +63,7 @@ ip_vs_sed_schedule(struct ip_vs_service *svc, const struct sk_buff *skb, struct ip_vs_iphdr *iph) { struct ip_vs_dest *dest, *least; - unsigned int loh, doh; + int loh, doh; IP_VS_DBG(6, "%s(): Scheduling...\n", __func__); @@ -99,8 +99,8 @@ ip_vs_sed_schedule(struct ip_vs_service *svc, const struct sk_buff *skb, if (dest->flags & IP_VS_DEST_F_OVERLOAD) continue; doh = ip_vs_sed_dest_overhead(dest); - if (loh * atomic_read(&dest->weight) > - doh * atomic_read(&least->weight)) { + if ((__s64)loh * atomic_read(&dest->weight) > + (__s64)doh * atomic_read(&least->weight)) { least = dest; loh = doh; } diff --git a/net/netfilter/ipvs/ip_vs_wlc.c b/net/netfilter/ipvs/ip_vs_wlc.c index 6dc1fa1..b5b4650 100644 --- a/net/netfilter/ipvs/ip_vs_wlc.c +++ b/net/netfilter/ipvs/ip_vs_wlc.c @@ -35,7 +35,7 @@ ip_vs_wlc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb, struct ip_vs_iphdr *iph) { struct ip_vs_dest *dest, *least; - unsigned int loh, doh; + int loh, doh; IP_VS_DBG(6, "ip_vs_wlc_schedule(): Scheduling...\n"); @@ -71,8 +71,8 @@ ip_vs_wlc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb, if (dest->flags & IP_VS_DEST_F_OVERLOAD) continue; doh = ip_vs_dest_conn_overhead(dest); - if (loh * atomic_read(&dest->weight) > - doh * atomic_read(&least->weight)) { + if ((__s64)loh * atomic_read(&dest->weight) > + (__s64)doh * atomic_read(&least->weight)) { least = dest; loh = doh; } diff --git a/net/netfilter/nf_synproxy_core.c b/net/netfilter/nf_synproxy_core.c index 6fd967c..cdf4567 100644 --- a/net/netfilter/nf_synproxy_core.c +++ b/net/netfilter/nf_synproxy_core.c @@ -24,7 +24,7 @@ int synproxy_net_id; EXPORT_SYMBOL_GPL(synproxy_net_id); -void +bool synproxy_parse_options(const struct sk_buff *skb, unsigned int doff, const struct tcphdr *th, struct synproxy_options *opts) { @@ -32,7 +32,8 @@ synproxy_parse_options(const struct sk_buff *skb, unsigned int doff, u8 buf[40], *ptr; ptr = skb_header_pointer(skb, doff + sizeof(*th), length, buf); - BUG_ON(ptr == NULL); + if (ptr == NULL) + return false; opts->options = 0; while (length > 0) { @@ -41,16 +42,16 @@ synproxy_parse_options(const struct sk_buff *skb, unsigned int doff, switch (opcode) { case TCPOPT_EOL: - return; + return true; case TCPOPT_NOP: length--; continue; default: opsize = *ptr++; if (opsize < 2) - return; + return true; if (opsize > length) - return; + return true; switch (opcode) { case TCPOPT_MSS: @@ -84,6 +85,7 @@ synproxy_parse_options(const struct sk_buff *skb, unsigned int doff, length -= opsize; } } + return true; } EXPORT_SYMBOL_GPL(synproxy_parse_options); diff --git a/net/sched/sch_fq.c b/net/sched/sch_fq.c index 32ad015..a2fef8b 100644 --- a/net/sched/sch_fq.c +++ b/net/sched/sch_fq.c @@ -285,7 +285,7 @@ static struct fq_flow *fq_classify(struct sk_buff *skb, struct fq_sched_data *q) /* remove one skb from head of flow queue */ -static struct sk_buff *fq_dequeue_head(struct fq_flow *flow) +static struct sk_buff *fq_dequeue_head(struct Qdisc *sch, struct fq_flow *flow) { struct sk_buff *skb = flow->head; @@ -293,6 +293,8 @@ static struct sk_buff *fq_dequeue_head(struct fq_flow *flow) flow->head = skb->next; skb->next = NULL; flow->qlen--; + sch->qstats.backlog -= qdisc_pkt_len(skb); + sch->q.qlen--; } return skb; } @@ -418,8 +420,9 @@ static struct sk_buff *fq_dequeue(struct Qdisc *sch) struct fq_flow_head *head; struct sk_buff *skb; struct fq_flow *f; + u32 rate; - skb = fq_dequeue_head(&q->internal); + skb = fq_dequeue_head(sch, &q->internal); if (skb) goto out; fq_check_throttled(q, now); @@ -449,7 +452,7 @@ begin: goto begin; } - skb = fq_dequeue_head(f); + skb = fq_dequeue_head(sch, f); if (!skb) { head->first = f->next; /* force a pass through old_flows to prevent starvation */ @@ -466,43 +469,74 @@ begin: f->time_next_packet = now; f->credit -= qdisc_pkt_len(skb); - if (f->credit <= 0 && - q->rate_enable && - skb->sk && skb->sk->sk_state != TCP_TIME_WAIT) { - u32 rate = skb->sk->sk_pacing_rate ?: q->flow_default_rate; + if (f->credit > 0 || !q->rate_enable) + goto out; - rate = min(rate, q->flow_max_rate); - if (rate) { - u64 len = (u64)qdisc_pkt_len(skb) * NSEC_PER_SEC; - - do_div(len, rate); - /* Since socket rate can change later, - * clamp the delay to 125 ms. - * TODO: maybe segment the too big skb, as in commit - * e43ac79a4bc ("sch_tbf: segment too big GSO packets") - */ - if (unlikely(len > 125 * NSEC_PER_MSEC)) { - len = 125 * NSEC_PER_MSEC; - q->stat_pkts_too_long++; - } + if (skb->sk && skb->sk->sk_state != TCP_TIME_WAIT) { + rate = skb->sk->sk_pacing_rate ?: q->flow_default_rate; - f->time_next_packet = now + len; + rate = min(rate, q->flow_max_rate); + } else { + rate = q->flow_max_rate; + if (rate == ~0U) + goto out; + } + if (rate) { + u32 plen = max(qdisc_pkt_len(skb), q->quantum); + u64 len = (u64)plen * NSEC_PER_SEC; + + do_div(len, rate); + /* Since socket rate can change later, + * clamp the delay to 125 ms. + * TODO: maybe segment the too big skb, as in commit + * e43ac79a4bc ("sch_tbf: segment too big GSO packets") + */ + if (unlikely(len > 125 * NSEC_PER_MSEC)) { + len = 125 * NSEC_PER_MSEC; + q->stat_pkts_too_long++; } + + f->time_next_packet = now + len; } out: - sch->qstats.backlog -= qdisc_pkt_len(skb); qdisc_bstats_update(sch, skb); - sch->q.qlen--; qdisc_unthrottled(sch); return skb; } static void fq_reset(struct Qdisc *sch) { + struct fq_sched_data *q = qdisc_priv(sch); + struct rb_root *root; struct sk_buff *skb; + struct rb_node *p; + struct fq_flow *f; + unsigned int idx; - while ((skb = fq_dequeue(sch)) != NULL) + while ((skb = fq_dequeue_head(sch, &q->internal)) != NULL) kfree_skb(skb); + + if (!q->fq_root) + return; + + for (idx = 0; idx < (1U << q->fq_trees_log); idx++) { + root = &q->fq_root[idx]; + while ((p = rb_first(root)) != NULL) { + f = container_of(p, struct fq_flow, fq_node); + rb_erase(p, root); + + while ((skb = fq_dequeue_head(sch, f)) != NULL) + kfree_skb(skb); + + kmem_cache_free(fq_flow_cachep, f); + } + } + q->new_flows.first = NULL; + q->old_flows.first = NULL; + q->delayed = RB_ROOT; + q->flows = 0; + q->inactive_flows = 0; + q->throttled_flows = 0; } static void fq_rehash(struct fq_sched_data *q, @@ -645,6 +679,8 @@ static int fq_change(struct Qdisc *sch, struct nlattr *opt) while (sch->q.qlen > sch->limit) { struct sk_buff *skb = fq_dequeue(sch); + if (!skb) + break; kfree_skb(skb); drop_count++; } @@ -657,21 +693,9 @@ static int fq_change(struct Qdisc *sch, struct nlattr *opt) static void fq_destroy(struct Qdisc *sch) { struct fq_sched_data *q = qdisc_priv(sch); - struct rb_root *root; - struct rb_node *p; - unsigned int idx; - if (q->fq_root) { - for (idx = 0; idx < (1U << q->fq_trees_log); idx++) { - root = &q->fq_root[idx]; - while ((p = rb_first(root)) != NULL) { - rb_erase(p, root); - kmem_cache_free(fq_flow_cachep, - container_of(p, struct fq_flow, fq_node)); - } - } - kfree(q->fq_root); - } + fq_reset(sch); + kfree(q->fq_root); qdisc_watchdog_cancel(&q->watchdog); } diff --git a/net/sysctl_net.c b/net/sysctl_net.c index 9bc6db04..e7000be 100644 --- a/net/sysctl_net.c +++ b/net/sysctl_net.c @@ -47,12 +47,12 @@ static int net_ctl_permissions(struct ctl_table_header *head, /* Allow network administrator to have same access as root. */ if (ns_capable(net->user_ns, CAP_NET_ADMIN) || - uid_eq(root_uid, current_uid())) { + uid_eq(root_uid, current_euid())) { int mode = (table->mode >> 6) & 7; return (mode << 6) | (mode << 3) | mode; } /* Allow netns root group to have the same access as the root group */ - if (gid_eq(root_gid, current_gid())) { + if (in_egroup_p(root_gid)) { int mode = (table->mode >> 3) & 7; return (mode << 3) | mode; } diff --git a/security/apparmor/crypto.c b/security/apparmor/crypto.c index d6222ba..532471d 100644 --- a/security/apparmor/crypto.c +++ b/security/apparmor/crypto.c @@ -15,14 +15,14 @@ * it should be. */ -#include <linux/crypto.h> +#include <crypto/hash.h> #include "include/apparmor.h" #include "include/crypto.h" static unsigned int apparmor_hash_size; -static struct crypto_hash *apparmor_tfm; +static struct crypto_shash *apparmor_tfm; unsigned int aa_hash_size(void) { @@ -32,35 +32,33 @@ unsigned int aa_hash_size(void) int aa_calc_profile_hash(struct aa_profile *profile, u32 version, void *start, size_t len) { - struct scatterlist sg[2]; - struct hash_desc desc = { - .tfm = apparmor_tfm, - .flags = 0 - }; + struct { + struct shash_desc shash; + char ctx[crypto_shash_descsize(apparmor_tfm)]; + } desc; int error = -ENOMEM; u32 le32_version = cpu_to_le32(version); if (!apparmor_tfm) return 0; - sg_init_table(sg, 2); - sg_set_buf(&sg[0], &le32_version, 4); - sg_set_buf(&sg[1], (u8 *) start, len); - profile->hash = kzalloc(apparmor_hash_size, GFP_KERNEL); if (!profile->hash) goto fail; - error = crypto_hash_init(&desc); + desc.shash.tfm = apparmor_tfm; + desc.shash.flags = 0; + + error = crypto_shash_init(&desc.shash); if (error) goto fail; - error = crypto_hash_update(&desc, &sg[0], 4); + error = crypto_shash_update(&desc.shash, (u8 *) &le32_version, 4); if (error) goto fail; - error = crypto_hash_update(&desc, &sg[1], len); + error = crypto_shash_update(&desc.shash, (u8 *) start, len); if (error) goto fail; - error = crypto_hash_final(&desc, profile->hash); + error = crypto_shash_final(&desc.shash, profile->hash); if (error) goto fail; @@ -75,19 +73,19 @@ fail: static int __init init_profile_hash(void) { - struct crypto_hash *tfm; + struct crypto_shash *tfm; if (!apparmor_initialized) return 0; - tfm = crypto_alloc_hash("sha1", 0, CRYPTO_ALG_ASYNC); + tfm = crypto_alloc_shash("sha1", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm)) { int error = PTR_ERR(tfm); AA_ERROR("failed to setup profile sha1 hashing: %d\n", error); return error; } apparmor_tfm = tfm; - apparmor_hash_size = crypto_hash_digestsize(apparmor_tfm); + apparmor_hash_size = crypto_shash_digestsize(apparmor_tfm); aa_info_message("AppArmor sha1 policy hashing enabled"); diff --git a/security/apparmor/include/policy.h b/security/apparmor/include/policy.h index f2d4b63..c28b0f2 100644 --- a/security/apparmor/include/policy.h +++ b/security/apparmor/include/policy.h @@ -360,7 +360,9 @@ static inline void aa_put_replacedby(struct aa_replacedby *p) static inline void __aa_update_replacedby(struct aa_profile *orig, struct aa_profile *new) { - struct aa_profile *tmp = rcu_dereference(orig->replacedby->profile); + struct aa_profile *tmp; + tmp = rcu_dereference_protected(orig->replacedby->profile, + mutex_is_locked(&orig->ns->lock)); rcu_assign_pointer(orig->replacedby->profile, aa_get_profile(new)); orig->flags |= PFLAG_INVALID; aa_put_profile(tmp); diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c index 6172509..345bec0 100644 --- a/security/apparmor/policy.c +++ b/security/apparmor/policy.c @@ -563,7 +563,8 @@ void __init aa_free_root_ns(void) static void free_replacedby(struct aa_replacedby *r) { if (r) { - aa_put_profile(rcu_dereference(r->profile)); + /* r->profile will not be updated any more as r is dead */ + aa_put_profile(rcu_dereference_protected(r->profile, true)); kzfree(r); } } diff --git a/security/selinux/avc.c b/security/selinux/avc.c index dad36a6..fc3e662 100644 --- a/security/selinux/avc.c +++ b/security/selinux/avc.c @@ -746,7 +746,6 @@ inline int avc_has_perm_noaudit(u32 ssid, u32 tsid, * @tclass: target security class * @requested: requested permissions, interpreted based on @tclass * @auditdata: auxiliary audit data - * @flags: VFS walk flags * * Check the AVC to determine whether the @requested permissions are granted * for the SID pair (@ssid, @tsid), interpreting the permissions @@ -756,17 +755,15 @@ inline int avc_has_perm_noaudit(u32 ssid, u32 tsid, * permissions are granted, -%EACCES if any permissions are denied, or * another -errno upon other errors. */ -int avc_has_perm_flags(u32 ssid, u32 tsid, u16 tclass, - u32 requested, struct common_audit_data *auditdata, - unsigned flags) +int avc_has_perm(u32 ssid, u32 tsid, u16 tclass, + u32 requested, struct common_audit_data *auditdata) { struct av_decision avd; int rc, rc2; rc = avc_has_perm_noaudit(ssid, tsid, tclass, requested, 0, &avd); - rc2 = avc_audit(ssid, tsid, tclass, requested, &avd, rc, auditdata, - flags); + rc2 = avc_audit(ssid, tsid, tclass, requested, &avd, rc, auditdata); if (rc2) return rc2; return rc; diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index a5091ec..5b52310 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1502,7 +1502,7 @@ static int cred_has_capability(const struct cred *cred, rc = avc_has_perm_noaudit(sid, sid, sclass, av, 0, &avd); if (audit == SECURITY_CAP_AUDIT) { - int rc2 = avc_audit(sid, sid, sclass, av, &avd, rc, &ad, 0); + int rc2 = avc_audit(sid, sid, sclass, av, &avd, rc, &ad); if (rc2) return rc2; } @@ -1525,8 +1525,7 @@ static int task_has_system(struct task_struct *tsk, static int inode_has_perm(const struct cred *cred, struct inode *inode, u32 perms, - struct common_audit_data *adp, - unsigned flags) + struct common_audit_data *adp) { struct inode_security_struct *isec; u32 sid; @@ -1539,7 +1538,7 @@ static int inode_has_perm(const struct cred *cred, sid = cred_sid(cred); isec = inode->i_security; - return avc_has_perm_flags(sid, isec->sid, isec->sclass, perms, adp, flags); + return avc_has_perm(sid, isec->sid, isec->sclass, perms, adp); } /* Same as inode_has_perm, but pass explicit audit data containing @@ -1554,7 +1553,7 @@ static inline int dentry_has_perm(const struct cred *cred, ad.type = LSM_AUDIT_DATA_DENTRY; ad.u.dentry = dentry; - return inode_has_perm(cred, inode, av, &ad, 0); + return inode_has_perm(cred, inode, av, &ad); } /* Same as inode_has_perm, but pass explicit audit data containing @@ -1569,7 +1568,7 @@ static inline int path_has_perm(const struct cred *cred, ad.type = LSM_AUDIT_DATA_PATH; ad.u.path = *path; - return inode_has_perm(cred, inode, av, &ad, 0); + return inode_has_perm(cred, inode, av, &ad); } /* Same as path_has_perm, but uses the inode from the file struct. */ @@ -1581,7 +1580,7 @@ static inline int file_path_has_perm(const struct cred *cred, ad.type = LSM_AUDIT_DATA_PATH; ad.u.path = file->f_path; - return inode_has_perm(cred, file_inode(file), av, &ad, 0); + return inode_has_perm(cred, file_inode(file), av, &ad); } /* Check whether a task can use an open file descriptor to @@ -1617,7 +1616,7 @@ static int file_has_perm(const struct cred *cred, /* av is zero if only checking access to the descriptor. */ rc = 0; if (av) - rc = inode_has_perm(cred, inode, av, &ad, 0); + rc = inode_has_perm(cred, inode, av, &ad); out: return rc; diff --git a/security/selinux/include/avc.h b/security/selinux/include/avc.h index 92d0ab5..f53ee3c 100644 --- a/security/selinux/include/avc.h +++ b/security/selinux/include/avc.h @@ -130,7 +130,7 @@ static inline int avc_audit(u32 ssid, u32 tsid, u16 tclass, u32 requested, struct av_decision *avd, int result, - struct common_audit_data *a, unsigned flags) + struct common_audit_data *a) { u32 audited, denied; audited = avc_audit_required(requested, avd, result, 0, &denied); @@ -138,7 +138,7 @@ static inline int avc_audit(u32 ssid, u32 tsid, return 0; return slow_avc_audit(ssid, tsid, tclass, requested, audited, denied, - a, flags); + a, 0); } #define AVC_STRICT 1 /* Ignore permissive mode. */ @@ -147,17 +147,9 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid, unsigned flags, struct av_decision *avd); -int avc_has_perm_flags(u32 ssid, u32 tsid, - u16 tclass, u32 requested, - struct common_audit_data *auditdata, - unsigned); - -static inline int avc_has_perm(u32 ssid, u32 tsid, - u16 tclass, u32 requested, - struct common_audit_data *auditdata) -{ - return avc_has_perm_flags(ssid, tsid, tclass, requested, auditdata, 0); -} +int avc_has_perm(u32 ssid, u32 tsid, + u16 tclass, u32 requested, + struct common_audit_data *auditdata); u32 avc_policy_seqno(void); diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index 445ca48..bf578ba2 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -175,6 +175,7 @@ static const struct ac97_codec_id snd_ac97_codec_ids[] = { { 0x54524106, 0xffffffff, "TR28026", NULL, NULL }, { 0x54524108, 0xffffffff, "TR28028", patch_tritech_tr28028, NULL }, // added by xin jin [07/09/99] { 0x54524123, 0xffffffff, "TR28602", NULL, NULL }, // only guess --jk [TR28023 = eMicro EM28023 (new CT1297)] +{ 0x54584e03, 0xffffffff, "TLV320AIC27", NULL, NULL }, { 0x54584e20, 0xffffffff, "TLC320AD9xC", NULL, NULL }, { 0x56494161, 0xffffffff, "VIA1612A", NULL, NULL }, // modified ICE1232 with S/PDIF { 0x56494170, 0xffffffff, "VIA1617A", patch_vt1617a, NULL }, // modified VT1616 with S/PDIF diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 4edd2d0..ec68eaea 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -3231,6 +3231,7 @@ enum { CXT_FIXUP_INC_MIC_BOOST, CXT_FIXUP_HEADPHONE_MIC_PIN, CXT_FIXUP_HEADPHONE_MIC, + CXT_FIXUP_GPIO1, }; static void cxt_fixup_stereo_dmic(struct hda_codec *codec, @@ -3375,6 +3376,15 @@ static const struct hda_fixup cxt_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = cxt_fixup_headphone_mic, }, + [CXT_FIXUP_GPIO1] = { + .type = HDA_FIXUP_VERBS, + .v.verbs = (const struct hda_verb[]) { + { 0x01, AC_VERB_SET_GPIO_MASK, 0x01 }, + { 0x01, AC_VERB_SET_GPIO_DIRECTION, 0x01 }, + { 0x01, AC_VERB_SET_GPIO_DATA, 0x01 }, + { } + }, + }, }; static const struct snd_pci_quirk cxt5051_fixups[] = { @@ -3384,6 +3394,7 @@ static const struct snd_pci_quirk cxt5051_fixups[] = { static const struct snd_pci_quirk cxt5066_fixups[] = { SND_PCI_QUIRK(0x1025, 0x0543, "Acer Aspire One 522", CXT_FIXUP_STEREO_DMIC), + SND_PCI_QUIRK(0x1025, 0x054c, "Acer Aspire 3830TG", CXT_FIXUP_GPIO1), SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN), SND_PCI_QUIRK(0x17aa, 0x20f2, "Lenovo T400", CXT_PINCFG_LENOVO_TP410), SND_PCI_QUIRK(0x17aa, 0x215e, "Lenovo T410", CXT_PINCFG_LENOVO_TP410), diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 7ea0245..50173d4 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -937,6 +937,14 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, } /* + * always configure channel mapping, it may have been changed by the + * user in the meantime + */ + hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca, + channels, per_pin->chmap, + per_pin->chmap_set); + + /* * sizeof(ai) is used instead of sizeof(*hdmi_ai) or * sizeof(*dp_ai) to avoid partial match/update problems when * the user switches between HDMI/DP monitors. @@ -947,20 +955,10 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, "pin=%d channels=%d\n", pin_nid, channels); - hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca, - channels, per_pin->chmap, - per_pin->chmap_set); hdmi_stop_infoframe_trans(codec, pin_nid); hdmi_fill_audio_infoframe(codec, pin_nid, ai.bytes, sizeof(ai)); hdmi_start_infoframe_trans(codec, pin_nid); - } else { - /* For non-pcm audio switch, setup new channel mapping - * accordingly */ - if (per_pin->non_pcm != non_pcm) - hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca, - channels, per_pin->chmap, - per_pin->chmap_set); } per_pin->non_pcm = non_pcm; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 0e303b9..bf313bea 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2819,6 +2819,15 @@ static void alc269_fixup_hweq(struct hda_codec *codec, alc_write_coef_idx(codec, 0x1e, coef | 0x80); } +static void alc269_fixup_headset_mic(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + struct alc_spec *spec = codec->spec; + + if (action == HDA_FIXUP_ACT_PRE_PROBE) + spec->parse_flags |= HDA_PINCFG_HEADSET_MIC; +} + static void alc271_fixup_dmic(struct hda_codec *codec, const struct hda_fixup *fix, int action) { @@ -3496,6 +3505,15 @@ static void alc282_fixup_asus_tx300(struct hda_codec *codec, } } +static void alc290_fixup_mono_speakers(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + if (action == HDA_FIXUP_ACT_PRE_PROBE) + /* Remove DAC node 0x03, as it seems to be + giving mono output */ + snd_hda_override_wcaps(codec, 0x03, 0); +} + enum { ALC269_FIXUP_SONY_VAIO, ALC275_FIXUP_SONY_VAIO_GPIO2, @@ -3507,6 +3525,7 @@ enum { ALC271_FIXUP_DMIC, ALC269_FIXUP_PCM_44K, ALC269_FIXUP_STEREO_DMIC, + ALC269_FIXUP_HEADSET_MIC, ALC269_FIXUP_QUANTA_MUTE, ALC269_FIXUP_LIFEBOOK, ALC269_FIXUP_AMIC, @@ -3519,9 +3538,11 @@ enum { ALC269_FIXUP_HP_GPIO_LED, ALC269_FIXUP_INV_DMIC, ALC269_FIXUP_LENOVO_DOCK, + ALC286_FIXUP_SONY_MIC_NO_PRESENCE, ALC269_FIXUP_PINCFG_NO_HP_TO_LINEOUT, ALC269_FIXUP_DELL1_MIC_NO_PRESENCE, ALC269_FIXUP_DELL2_MIC_NO_PRESENCE, + ALC269_FIXUP_DELL3_MIC_NO_PRESENCE, ALC269_FIXUP_HEADSET_MODE, ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC, ALC269_FIXUP_ASUS_X101_FUNC, @@ -3535,6 +3556,7 @@ enum { ALC283_FIXUP_CHROME_BOOK, ALC282_FIXUP_ASUS_TX300, ALC283_FIXUP_INT_MIC, + ALC290_FIXUP_MONO_SPEAKERS, }; static const struct hda_fixup alc269_fixups[] = { @@ -3603,6 +3625,10 @@ static const struct hda_fixup alc269_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc269_fixup_stereo_dmic, }, + [ALC269_FIXUP_HEADSET_MIC] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc269_fixup_headset_mic, + }, [ALC269_FIXUP_QUANTA_MUTE] = { .type = HDA_FIXUP_FUNC, .v.func = alc269_fixup_quanta_mute, @@ -3712,6 +3738,15 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC }, + [ALC269_FIXUP_DELL3_MIC_NO_PRESENCE] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x1a, 0x01a1913c }, /* use as headset mic, without its own jack detect */ + { } + }, + .chained = true, + .chain_id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC + }, [ALC269_FIXUP_HEADSET_MODE] = { .type = HDA_FIXUP_FUNC, .v.func = alc_fixup_headset_mode, @@ -3720,6 +3755,15 @@ static const struct hda_fixup alc269_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc_fixup_headset_mode_no_hp_mic, }, + [ALC286_FIXUP_SONY_MIC_NO_PRESENCE] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x18, 0x01a1913c }, /* use as headset mic, without its own jack detect */ + { } + }, + .chained = true, + .chain_id = ALC269_FIXUP_HEADSET_MIC + }, [ALC269_FIXUP_ASUS_X101_FUNC] = { .type = HDA_FIXUP_FUNC, .v.func = alc269_fixup_x101_headset_mic, @@ -3804,6 +3848,12 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC269_FIXUP_LIMIT_INT_MIC_BOOST }, + [ALC290_FIXUP_MONO_SPEAKERS] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc290_fixup_mono_speakers, + .chained = true, + .chain_id = ALC269_FIXUP_DELL3_MIC_NO_PRESENCE, + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -3845,6 +3895,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x0608, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x0609, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x0613, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1028, 0x0616, "Dell Vostro 5470", ALC290_FIXUP_MONO_SPEAKERS), SND_PCI_QUIRK(0x1028, 0x15cc, "Dell X5 Precision", ALC269_FIXUP_DELL2_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x15cd, "Dell X5 Precision", ALC269_FIXUP_DELL2_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2), @@ -3867,6 +3918,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1043, 0x8398, "ASUS P1005", ALC269_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x1043, 0x83ce, "ASUS P1005", ALC269_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x1043, 0x8516, "ASUS X101CH", ALC269_FIXUP_ASUS_X101), + SND_PCI_QUIRK(0x104d, 0x90b6, "Sony VAIO Pro 13", ALC286_FIXUP_SONY_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x104d, 0x9073, "Sony VAIO", ALC275_FIXUP_SONY_VAIO_GPIO2), SND_PCI_QUIRK(0x104d, 0x907b, "Sony VAIO", ALC275_FIXUP_SONY_HWEQ), SND_PCI_QUIRK(0x104d, 0x9084, "Sony VAIO", ALC275_FIXUP_SONY_HWEQ), @@ -3952,6 +4004,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {.id = ALC269_FIXUP_STEREO_DMIC, .name = "alc269-dmic"}, {.id = ALC271_FIXUP_DMIC, .name = "alc271-dmic"}, {.id = ALC269_FIXUP_INV_DMIC, .name = "inv-dmic"}, + {.id = ALC269_FIXUP_HEADSET_MIC, .name = "headset-mic"}, {.id = ALC269_FIXUP_LENOVO_DOCK, .name = "lenovo-dock"}, {.id = ALC269_FIXUP_HP_GPIO_LED, .name = "hp-gpio-led"}, {.id = ALC269_FIXUP_DELL1_MIC_NO_PRESENCE, .name = "dell-headset-multi"}, @@ -4569,6 +4622,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x05d8, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x05db, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x1632, "HP RP5800", ALC662_FIXUP_HP_RP5800), + SND_PCI_QUIRK(0x1043, 0x1477, "ASUS N56VZ", ALC662_FIXUP_ASUS_MODE4), SND_PCI_QUIRK(0x1043, 0x8469, "ASUS mobo", ALC662_FIXUP_NO_JACK_DETECT), SND_PCI_QUIRK(0x105b, 0x0cd6, "Foxconn", ALC662_FIXUP_ASUS_MODE2), SND_PCI_QUIRK(0x144d, 0xc051, "Samsung R720", ALC662_FIXUP_IDEAPAD), diff --git a/sound/soc/blackfin/bf6xx-i2s.c b/sound/soc/blackfin/bf6xx-i2s.c index c02405c..5810a06 100644 --- a/sound/soc/blackfin/bf6xx-i2s.c +++ b/sound/soc/blackfin/bf6xx-i2s.c @@ -88,6 +88,7 @@ static int bfin_i2s_hw_params(struct snd_pcm_substream *substream, case SNDRV_PCM_FORMAT_S8: param.spctl |= 0x70; sport->wdsize = 1; + break; case SNDRV_PCM_FORMAT_S16_LE: param.spctl |= 0xf0; sport->wdsize = 2; diff --git a/sound/soc/codecs/88pm860x-codec.c b/sound/soc/codecs/88pm860x-codec.c index 8af0434..259d1ac 100644 --- a/sound/soc/codecs/88pm860x-codec.c +++ b/sound/soc/codecs/88pm860x-codec.c @@ -349,6 +349,9 @@ static int snd_soc_put_volsw_2r_st(struct snd_kcontrol *kcontrol, val = ucontrol->value.integer.value[0]; val2 = ucontrol->value.integer.value[1]; + if (val >= ARRAY_SIZE(st_table) || val2 >= ARRAY_SIZE(st_table)) + return -EINVAL; + err = snd_soc_update_bits(codec, reg, 0x3f, st_table[val].m); if (err < 0) return err; diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c index b8ba0ad..80555d7 100644 --- a/sound/soc/codecs/ab8500-codec.c +++ b/sound/soc/codecs/ab8500-codec.c @@ -1225,13 +1225,18 @@ static int anc_status_control_put(struct snd_kcontrol *kcontrol, struct ab8500_codec_drvdata *drvdata = dev_get_drvdata(codec->dev); struct device *dev = codec->dev; bool apply_fir, apply_iir; - int req, status; + unsigned int req; + int status; dev_dbg(dev, "%s: Enter.\n", __func__); mutex_lock(&drvdata->anc_lock); req = ucontrol->value.integer.value[0]; + if (req >= ARRAY_SIZE(enum_anc_state)) { + status = -EINVAL; + goto cleanup; + } if (req != ANC_APPLY_FIR_IIR && req != ANC_APPLY_FIR && req != ANC_APPLY_IIR) { dev_err(dev, "%s: ERROR: Unsupported status to set '%s'!\n", diff --git a/sound/soc/codecs/max98095.c b/sound/soc/codecs/max98095.c index 41cdd16..8dbcacd 100644 --- a/sound/soc/codecs/max98095.c +++ b/sound/soc/codecs/max98095.c @@ -1863,7 +1863,7 @@ static int max98095_put_eq_enum(struct snd_kcontrol *kcontrol, struct max98095_pdata *pdata = max98095->pdata; int channel = max98095_get_eq_channel(kcontrol->id.name); struct max98095_cdata *cdata; - int sel = ucontrol->value.integer.value[0]; + unsigned int sel = ucontrol->value.integer.value[0]; struct max98095_eq_cfg *coef_set; int fs, best, best_val, i; int regmask, regsave; @@ -2016,7 +2016,7 @@ static int max98095_put_bq_enum(struct snd_kcontrol *kcontrol, struct max98095_pdata *pdata = max98095->pdata; int channel = max98095_get_bq_channel(codec, kcontrol->id.name); struct max98095_cdata *cdata; - int sel = ucontrol->value.integer.value[0]; + unsigned int sel = ucontrol->value.integer.value[0]; struct max98095_biquad_cfg *coef_set; int fs, best, best_val, i; int regmask, regsave; diff --git a/sound/soc/fsl/imx-sgtl5000.c b/sound/soc/fsl/imx-sgtl5000.c index 46c5b4f..ca1be1d 100644 --- a/sound/soc/fsl/imx-sgtl5000.c +++ b/sound/soc/fsl/imx-sgtl5000.c @@ -62,7 +62,7 @@ static int imx_sgtl5000_probe(struct platform_device *pdev) struct device_node *ssi_np, *codec_np; struct platform_device *ssi_pdev; struct i2c_client *codec_dev; - struct imx_sgtl5000_data *data; + struct imx_sgtl5000_data *data = NULL; int int_port, ext_port; int ret; @@ -128,7 +128,7 @@ static int imx_sgtl5000_probe(struct platform_device *pdev) goto fail; } - data->codec_clk = devm_clk_get(&codec_dev->dev, NULL); + data->codec_clk = clk_get(&codec_dev->dev, NULL); if (IS_ERR(data->codec_clk)) { ret = PTR_ERR(data->codec_clk); goto fail; @@ -172,6 +172,8 @@ static int imx_sgtl5000_probe(struct platform_device *pdev) return 0; fail: + if (data && !IS_ERR(data->codec_clk)) + clk_put(data->codec_clk); if (ssi_np) of_node_put(ssi_np); if (codec_np) @@ -185,6 +187,7 @@ static int imx_sgtl5000_remove(struct platform_device *pdev) struct imx_sgtl5000_data *data = platform_get_drvdata(pdev); snd_soc_unregister_card(&data->card); + clk_put(data->codec_clk); return 0; } diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 4d05613..1a38be0 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1380,7 +1380,6 @@ static int soc_probe_link_dais(struct snd_soc_card *card, int num, int order) return -ENODEV; list_add(&cpu_dai->dapm.list, &card->dapm_list); - snd_soc_dapm_new_dai_widgets(&cpu_dai->dapm, cpu_dai); } if (cpu_dai->driver->probe) { diff --git a/sound/usb/usx2y/usbusx2yaudio.c b/sound/usb/usx2y/usbusx2yaudio.c index 63fb521..6234a51 100644 --- a/sound/usb/usx2y/usbusx2yaudio.c +++ b/sound/usb/usx2y/usbusx2yaudio.c @@ -299,19 +299,6 @@ static void usX2Y_error_urb_status(struct usX2Ydev *usX2Y, usX2Y_clients_stop(usX2Y); } -static void usX2Y_error_sequence(struct usX2Ydev *usX2Y, - struct snd_usX2Y_substream *subs, struct urb *urb) -{ - snd_printk(KERN_ERR -"Sequence Error!(hcd_frame=%i ep=%i%s;wait=%i,frame=%i).\n" -"Most probably some urb of usb-frame %i is still missing.\n" -"Cause could be too long delays in usb-hcd interrupt handling.\n", - usb_get_current_frame_number(usX2Y->dev), - subs->endpoint, usb_pipein(urb->pipe) ? "in" : "out", - usX2Y->wait_iso_frame, urb->start_frame, usX2Y->wait_iso_frame); - usX2Y_clients_stop(usX2Y); -} - static void i_usX2Y_urb_complete(struct urb *urb) { struct snd_usX2Y_substream *subs = urb->context; @@ -328,12 +315,9 @@ static void i_usX2Y_urb_complete(struct urb *urb) usX2Y_error_urb_status(usX2Y, subs, urb); return; } - if (likely((urb->start_frame & 0xFFFF) == (usX2Y->wait_iso_frame & 0xFFFF))) - subs->completed_urb = urb; - else { - usX2Y_error_sequence(usX2Y, subs, urb); - return; - } + + subs->completed_urb = urb; + { struct snd_usX2Y_substream *capsubs = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE], *playbacksubs = usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c index f2a1acd..814d0e8 100644 --- a/sound/usb/usx2y/usx2yhwdeppcm.c +++ b/sound/usb/usx2y/usx2yhwdeppcm.c @@ -244,13 +244,8 @@ static void i_usX2Y_usbpcm_urb_complete(struct urb *urb) usX2Y_error_urb_status(usX2Y, subs, urb); return; } - if (likely((urb->start_frame & 0xFFFF) == (usX2Y->wait_iso_frame & 0xFFFF))) - subs->completed_urb = urb; - else { - usX2Y_error_sequence(usX2Y, subs, urb); - return; - } + subs->completed_urb = urb; capsubs = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE]; capsubs2 = usX2Y->subs[SNDRV_PCM_STREAM_CAPTURE + 2]; playbacksubs = usX2Y->subs[SNDRV_PCM_STREAM_PLAYBACK]; diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 3a0ff7f..64c043b 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -770,6 +770,7 @@ check: $(OUTPUT)common-cmds.h install-bin: all $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(bindir_SQ)' $(INSTALL) $(OUTPUT)perf '$(DESTDIR_SQ)$(bindir_SQ)' + $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)' $(INSTALL) $(OUTPUT)perf-archive -t '$(DESTDIR_SQ)$(perfexec_instdir_SQ)' ifndef NO_LIBPERL $(INSTALL) -d -m 755 '$(DESTDIR_SQ)$(perfexec_instdir_SQ)/scripts/perl/Perf-Trace-Util/lib/Perf/Trace' diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index f686d5f..5098f14 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -457,6 +457,7 @@ static int __run_perf_stat(int argc, const char **argv) perror("failed to prepare workload"); return -1; } + child_pid = evsel_list->workload.pid; } if (group) diff --git a/tools/perf/config/feature-tests.mak b/tools/perf/config/feature-tests.mak index d5a8dd4..f793057 100644 --- a/tools/perf/config/feature-tests.mak +++ b/tools/perf/config/feature-tests.mak @@ -219,7 +219,7 @@ define SOURCE_LIBAUDIT int main(void) { - printf(\"error message: %s\n\", audit_errno_to_name(0)); + printf(\"error message: %s\", audit_errno_to_name(0)); return audit_open(); } endef diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c index e23bde1..7defd77 100644 --- a/tools/perf/util/dwarf-aux.c +++ b/tools/perf/util/dwarf-aux.c @@ -426,7 +426,7 @@ static int __die_search_func_cb(Dwarf_Die *fn_die, void *data) * @die_mem: a buffer for result DIE * * Search a non-inlined function DIE which includes @addr. Stores the - * DIE to @die_mem and returns it if found. Returns NULl if failed. + * DIE to @die_mem and returns it if found. Returns NULL if failed. */ Dwarf_Die *die_find_realfunc(Dwarf_Die *cu_die, Dwarf_Addr addr, Dwarf_Die *die_mem) @@ -454,15 +454,32 @@ static int __die_find_inline_cb(Dwarf_Die *die_mem, void *data) } /** + * die_find_top_inlinefunc - Search the top inlined function at given address + * @sp_die: a subprogram DIE which including @addr + * @addr: target address + * @die_mem: a buffer for result DIE + * + * Search an inlined function DIE which includes @addr. Stores the + * DIE to @die_mem and returns it if found. Returns NULL if failed. + * Even if several inlined functions are expanded recursively, this + * doesn't trace it down, and returns the topmost one. + */ +Dwarf_Die *die_find_top_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr, + Dwarf_Die *die_mem) +{ + return die_find_child(sp_die, __die_find_inline_cb, &addr, die_mem); +} + +/** * die_find_inlinefunc - Search an inlined function at given address - * @cu_die: a CU DIE which including @addr + * @sp_die: a subprogram DIE which including @addr * @addr: target address * @die_mem: a buffer for result DIE * * Search an inlined function DIE which includes @addr. Stores the - * DIE to @die_mem and returns it if found. Returns NULl if failed. + * DIE to @die_mem and returns it if found. Returns NULL if failed. * If several inlined functions are expanded recursively, this trace - * it and returns deepest one. + * it down and returns deepest one. */ Dwarf_Die *die_find_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr, Dwarf_Die *die_mem) diff --git a/tools/perf/util/dwarf-aux.h b/tools/perf/util/dwarf-aux.h index 8658d41..b4fe90c 100644 --- a/tools/perf/util/dwarf-aux.h +++ b/tools/perf/util/dwarf-aux.h @@ -79,7 +79,11 @@ extern Dwarf_Die *die_find_child(Dwarf_Die *rt_die, extern Dwarf_Die *die_find_realfunc(Dwarf_Die *cu_die, Dwarf_Addr addr, Dwarf_Die *die_mem); -/* Search an inlined function including given address */ +/* Search the top inlined function including given address */ +extern Dwarf_Die *die_find_top_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr, + Dwarf_Die *die_mem); + +/* Search the deepest inlined function including given address */ extern Dwarf_Die *die_find_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr, Dwarf_Die *die_mem); diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index ce69901..c3e5a3b 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2768,6 +2768,18 @@ int perf_session__read_header(struct perf_session *session) if (perf_file_header__read(&f_header, header, fd) < 0) return -EINVAL; + /* + * Sanity check that perf.data was written cleanly; data size is + * initialized to 0 and updated only if the on_exit function is run. + * If data size is still 0 then the file contains only partial + * information. Just warn user and process it as much as it can. + */ + if (f_header.data.size == 0) { + pr_warning("WARNING: The %s file's data size field is 0 which is unexpected.\n" + "Was the 'perf record' command properly terminated?\n", + session->filename); + } + nr_attrs = f_header.attrs.size / f_header.attr_size; lseek(fd, f_header.attrs.offset, SEEK_SET); diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 371476c..c09e0a9 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -1327,8 +1327,8 @@ int debuginfo__find_probe_point(struct debuginfo *self, unsigned long addr, struct perf_probe_point *ppt) { Dwarf_Die cudie, spdie, indie; - Dwarf_Addr _addr, baseaddr; - const char *fname = NULL, *func = NULL, *tmp; + Dwarf_Addr _addr = 0, baseaddr = 0; + const char *fname = NULL, *func = NULL, *basefunc = NULL, *tmp; int baseline = 0, lineno = 0, ret = 0; /* Adjust address with bias */ @@ -1349,27 +1349,36 @@ int debuginfo__find_probe_point(struct debuginfo *self, unsigned long addr, /* Find a corresponding function (name, baseline and baseaddr) */ if (die_find_realfunc(&cudie, (Dwarf_Addr)addr, &spdie)) { /* Get function entry information */ - tmp = dwarf_diename(&spdie); - if (!tmp || + func = basefunc = dwarf_diename(&spdie); + if (!func || dwarf_entrypc(&spdie, &baseaddr) != 0 || - dwarf_decl_line(&spdie, &baseline) != 0) + dwarf_decl_line(&spdie, &baseline) != 0) { + lineno = 0; goto post; - func = tmp; + } - if (addr == (unsigned long)baseaddr) + if (addr == (unsigned long)baseaddr) { /* Function entry - Relative line number is 0 */ lineno = baseline; - else if (die_find_inlinefunc(&spdie, (Dwarf_Addr)addr, - &indie)) { + fname = dwarf_decl_file(&spdie); + goto post; + } + + /* Track down the inline functions step by step */ + while (die_find_top_inlinefunc(&spdie, (Dwarf_Addr)addr, + &indie)) { + /* There is an inline function */ if (dwarf_entrypc(&indie, &_addr) == 0 && - _addr == addr) + _addr == addr) { /* * addr is at an inline function entry. * In this case, lineno should be the call-site - * line number. + * line number. (overwrite lineinfo) */ lineno = die_get_call_lineno(&indie); - else { + fname = die_get_call_file(&indie); + break; + } else { /* * addr is in an inline function body. * Since lineno points one of the lines @@ -1377,19 +1386,27 @@ int debuginfo__find_probe_point(struct debuginfo *self, unsigned long addr, * be the entry line of the inline function. */ tmp = dwarf_diename(&indie); - if (tmp && - dwarf_decl_line(&spdie, &baseline) == 0) - func = tmp; + if (!tmp || + dwarf_decl_line(&indie, &baseline) != 0) + break; + func = tmp; + spdie = indie; } } + /* Verify the lineno and baseline are in a same file */ + tmp = dwarf_decl_file(&spdie); + if (!tmp || strcmp(tmp, fname) != 0) + lineno = 0; } post: /* Make a relative line number or an offset */ if (lineno) ppt->line = lineno - baseline; - else if (func) + else if (basefunc) { ppt->offset = addr - (unsigned long)baseaddr; + func = basefunc; + } /* Duplicate strings */ if (func) { diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 70ffa41..568b750 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -256,6 +256,8 @@ void perf_tool__fill_defaults(struct perf_tool *tool) tool->sample = process_event_sample_stub; if (tool->mmap == NULL) tool->mmap = process_event_stub; + if (tool->mmap2 == NULL) + tool->mmap2 = process_event_stub; if (tool->comm == NULL) tool->comm = process_event_stub; if (tool->fork == NULL) @@ -1310,7 +1312,7 @@ int __perf_session__process_events(struct perf_session *session, file_offset = page_offset; head = data_offset - page_offset; - if (data_offset + data_size < file_size) + if (data_size && (data_offset + data_size < file_size)) file_size = data_offset + data_size; progress_next = file_size / 16; diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 979bff4..a9dd682 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1064,10 +1064,12 @@ EXPORT_SYMBOL_GPL(gfn_to_hva); unsigned long gfn_to_hva_prot(struct kvm *kvm, gfn_t gfn, bool *writable) { struct kvm_memory_slot *slot = gfn_to_memslot(kvm, gfn); - if (writable) + unsigned long hva = __gfn_to_hva_many(slot, gfn, NULL, false); + + if (!kvm_is_error_hva(hva) && writable) *writable = !memslot_is_readonly(slot); - return __gfn_to_hva_many(gfn_to_memslot(kvm, gfn), gfn, NULL, false); + return hva; } static int kvm_read_hva(void *data, void __user *hva, int len) |
