diff options
580 files changed, 7286 insertions, 4003 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-system-ibm-rtl b/Documentation/ABI/testing/sysfs-devices-system-ibm-rtl index b82deea..470def0 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-ibm-rtl +++ b/Documentation/ABI/testing/sysfs-devices-system-ibm-rtl @@ -1,4 +1,4 @@ -What: state +What: /sys/devices/system/ibm_rtl/state Date: Sep 2010 KernelVersion: 2.6.37 Contact: Vernon Mauery <vernux@us.ibm.com> @@ -10,7 +10,7 @@ Description: The state file allows a means by which to change in and Users: The ibm-prtm userspace daemon uses this interface. -What: version +What: /sys/devices/system/ibm_rtl/version Date: Sep 2010 KernelVersion: 2.6.37 Contact: Vernon Mauery <vernux@us.ibm.com> diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt index 4e00e85..bfa461a 100644 --- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt @@ -43,6 +43,9 @@ Optional properties: reset signal present internally in some host controller IC designs. See Documentation/devicetree/bindings/reset/reset.txt for details. +* reset-names: request name for using "resets" property. Must be "reset". + (It will be used together with "resets" property.) + * clocks: from common clock binding: handle to biu and ciu clocks for the bus interface unit clock and the card interface unit clock. @@ -103,6 +106,8 @@ board specific portions as listed below. interrupts = <0 75 0>; #address-cells = <1>; #size-cells = <0>; + resets = <&rst 20>; + reset-names = "reset"; }; [board specific internal DMA resources] diff --git a/Documentation/devicetree/bindings/pci/rockchip-pcie.txt b/Documentation/devicetree/bindings/pci/rockchip-pcie.txt index ba67b39..71aeda1 100644 --- a/Documentation/devicetree/bindings/pci/rockchip-pcie.txt +++ b/Documentation/devicetree/bindings/pci/rockchip-pcie.txt @@ -26,13 +26,16 @@ Required properties: - "sys" - "legacy" - "client" -- resets: Must contain five entries for each entry in reset-names. +- resets: Must contain seven entries for each entry in reset-names. See ../reset/reset.txt for details. - reset-names: Must include the following names - "core" - "mgmt" - "mgmt-sticky" - "pipe" + - "pm" + - "aclk" + - "pclk" - pinctrl-names : The pin control state names - pinctrl-0: The "default" pinctrl state - #interrupt-cells: specifies the number of cells needed to encode an @@ -86,8 +89,10 @@ pcie0: pcie@f8000000 { reg = <0x0 0xf8000000 0x0 0x2000000>, <0x0 0xfd000000 0x0 0x1000000>; reg-names = "axi-base", "apb-base"; resets = <&cru SRST_PCIE_CORE>, <&cru SRST_PCIE_MGMT>, - <&cru SRST_PCIE_MGMT_STICKY>, <&cru SRST_PCIE_PIPE>; - reset-names = "core", "mgmt", "mgmt-sticky", "pipe"; + <&cru SRST_PCIE_MGMT_STICKY>, <&cru SRST_PCIE_PIPE> , + <&cru SRST_PCIE_PM>, <&cru SRST_P_PCIE>, <&cru SRST_A_PCIE>; + reset-names = "core", "mgmt", "mgmt-sticky", "pipe", + "pm", "pclk", "aclk"; phys = <&pcie_phy>; phy-names = "pcie-phy"; pinctrl-names = "default"; diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt index f9753c4..b24583a 100644 --- a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt @@ -14,11 +14,6 @@ Required properies: - #size-cells : The value of this property must be 1 - ranges : defines mapping between pin controller node (parent) to gpio-bank node (children). - - interrupt-parent: phandle of the interrupt parent to which the external - GPIO interrupts are forwarded to. - - st,syscfg: Should be phandle/offset pair. The phandle to the syscon node - which includes IRQ mux selection register, and the offset of the IRQ mux - selection register. - pins-are-numbered: Specify the subnodes are using numbered pinmux to specify pins. @@ -37,6 +32,11 @@ Required properties: Optional properties: - reset: : Reference to the reset controller + - interrupt-parent: phandle of the interrupt parent to which the external + GPIO interrupts are forwarded to. + - st,syscfg: Should be phandle/offset pair. The phandle to the syscon node + which includes IRQ mux selection register, and the offset of the IRQ mux + selection register. Example: #include <dt-bindings/pinctrl/stm32f429-pinfunc.h> diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index 14cdc10..1b5f156 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -447,7 +447,6 @@ prototypes: int (*flush) (struct file *); int (*release) (struct inode *, struct file *); int (*fsync) (struct file *, loff_t start, loff_t end, int datasync); - int (*aio_fsync) (struct kiocb *, int datasync); int (*fasync) (int, struct file *, int); int (*lock) (struct file *, int, struct file_lock *); ssize_t (*readv) (struct file *, const struct iovec *, unsigned long, diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index d619c8d..b5039a0 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -828,7 +828,6 @@ struct file_operations { int (*flush) (struct file *, fl_owner_t id); int (*release) (struct inode *, struct file *); int (*fsync) (struct file *, loff_t, loff_t, int datasync); - int (*aio_fsync) (struct kiocb *, int datasync); int (*fasync) (int, struct file *, int); int (*lock) (struct file *, int, struct file_lock *); ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int); diff --git a/Documentation/networking/dsa/dsa.txt b/Documentation/networking/dsa/dsa.txt index 6d6c07c..63912ef3 100644 --- a/Documentation/networking/dsa/dsa.txt +++ b/Documentation/networking/dsa/dsa.txt @@ -67,13 +67,14 @@ Note that DSA does not currently create network interfaces for the "cpu" and Switch tagging protocols ------------------------ -DSA currently supports 4 different tagging protocols, and a tag-less mode as +DSA currently supports 5 different tagging protocols, and a tag-less mode as well. The different protocols are implemented in: net/dsa/tag_trailer.c: Marvell's 4 trailer tag mode (legacy) net/dsa/tag_dsa.c: Marvell's original DSA tag net/dsa/tag_edsa.c: Marvell's enhanced DSA tag net/dsa/tag_brcm.c: Broadcom's 4 bytes tag +net/dsa/tag_qca.c: Qualcomm's 2 bytes tag The exact format of the tag protocol is vendor specific, but in general, they all contain something which: diff --git a/Documentation/virtual/kvm/locking.txt b/Documentation/virtual/kvm/locking.txt index f2491a8..e5dd9f4 100644 --- a/Documentation/virtual/kvm/locking.txt +++ b/Documentation/virtual/kvm/locking.txt @@ -4,7 +4,17 @@ KVM Lock Overview 1. Acquisition Orders --------------------- -(to be written) +The acquisition orders for mutexes are as follows: + +- kvm->lock is taken outside vcpu->mutex + +- kvm->lock is taken outside kvm->slots_lock and kvm->irq_lock + +- kvm->slots_lock is taken outside kvm->irq_lock, though acquiring + them together is quite rare. + +For spinlocks, kvm_lock is taken outside kvm->mmu_lock. Everything +else is a leaf: no other lock is taken inside the critical sections. 2: Exception ------------ diff --git a/MAINTAINERS b/MAINTAINERS index e5c17a9..9870812 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7927,6 +7927,10 @@ F: mm/ MEMORY TECHNOLOGY DEVICES (MTD) M: David Woodhouse <dwmw2@infradead.org> M: Brian Norris <computersforpeace@gmail.com> +M: Boris Brezillon <boris.brezillon@free-electrons.com> +M: Marek Vasut <marek.vasut@gmail.com> +M: Richard Weinberger <richard@nod.at> +M: Cyrille Pitchen <cyrille.pitchen@atmel.com> L: linux-mtd@lists.infradead.org W: http://www.linux-mtd.infradead.org/ Q: http://patchwork.ozlabs.org/project/linux-mtd/list/ @@ -8055,6 +8059,7 @@ F: drivers/infiniband/hw/mlx4/ F: include/linux/mlx4/ MELLANOX MLX5 core VPI driver +M: Saeed Mahameed <saeedm@mellanox.com> M: Matan Barak <matanb@mellanox.com> M: Leon Romanovsky <leonro@mellanox.com> L: netdev@vger.kernel.org @@ -9332,7 +9337,7 @@ PCI DRIVER FOR INTEL VOLUME MANAGEMENT DEVICE (VMD) M: Keith Busch <keith.busch@intel.com> L: linux-pci@vger.kernel.org S: Supported -F: arch/x86/pci/vmd.c +F: drivers/pci/host/vmd.c PCIE DRIVER FOR ST SPEAR13XX M: Pratyush Anand <pratyush.anand@gmail.com> @@ -11405,6 +11410,17 @@ W: http://www.st.com/spear S: Maintained F: drivers/clk/spear/ +SPI NOR SUBSYSTEM +M: Cyrille Pitchen <cyrille.pitchen@atmel.com> +M: Marek Vasut <marek.vasut@gmail.com> +L: linux-mtd@lists.infradead.org +W: http://www.linux-mtd.infradead.org/ +Q: http://patchwork.ozlabs.org/project/linux-mtd/list/ +T: git git://github.com/spi-nor/linux.git +S: Maintained +F: drivers/mtd/spi-nor/ +F: include/linux/mtd/spi-nor.h + SPI SUBSYSTEM M: Mark Brown <broonie@kernel.org> L: linux-spi@vger.kernel.org @@ -12784,6 +12800,7 @@ F: include/uapi/linux/virtio_console.h VIRTIO CORE, NET AND BLOCK DRIVERS M: "Michael S. Tsirkin" <mst@redhat.com> +M: Jason Wang <jasowang@redhat.com> L: virtualization@lists.linux-foundation.org S: Maintained F: Documentation/devicetree/bindings/virtio/ @@ -12814,6 +12831,7 @@ F: include/uapi/linux/virtio_gpu.h VIRTIO HOST (VHOST) M: "Michael S. Tsirkin" <mst@redhat.com> +M: Jason Wang <jasowang@redhat.com> L: kvm@vger.kernel.org L: virtualization@lists.linux-foundation.org L: netdev@vger.kernel.org @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 9 SUBLEVEL = 0 -EXTRAVERSION = -rc3 +EXTRAVERSION = -rc5 NAME = Psychotic Stoned Sheep # *DOCUMENTATION* @@ -370,7 +370,7 @@ LDFLAGS_MODULE = CFLAGS_KERNEL = AFLAGS_KERNEL = LDFLAGS_vmlinux = -CFLAGS_GCOV = -fprofile-arcs -ftest-coverage -fno-tree-loop-im +CFLAGS_GCOV = -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized CFLAGS_KCOV := $(call cc-option,-fsanitize-coverage=trace-pc,) @@ -620,7 +620,6 @@ ARCH_CFLAGS := include arch/$(SRCARCH)/Makefile KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,) -KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,) KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,) ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION @@ -629,15 +628,18 @@ KBUILD_CFLAGS += $(call cc-option,-fdata-sections,) endif ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE -KBUILD_CFLAGS += -Os +KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,) else ifdef CONFIG_PROFILE_ALL_BRANCHES -KBUILD_CFLAGS += -O2 +KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,) else KBUILD_CFLAGS += -O2 endif endif +KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0409, \ + $(call cc-disable-warning,maybe-uninitialized,)) + # Tell gcc to never replace conditional load with a non-conditional one KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0) diff --git a/arch/arc/Makefile b/arch/arc/Makefile index 864adad..19cce22 100644 --- a/arch/arc/Makefile +++ b/arch/arc/Makefile @@ -50,6 +50,9 @@ atleast_gcc44 := $(call cc-ifversion, -ge, 0404, y) cflags-$(atleast_gcc44) += -fsection-anchors +cflags-$(CONFIG_ARC_HAS_LLSC) += -mlock +cflags-$(CONFIG_ARC_HAS_SWAPE) += -mswape + ifdef CONFIG_ISA_ARCV2 ifndef CONFIG_ARC_HAS_LL64 @@ -68,7 +71,9 @@ cflags-$(CONFIG_ARC_DW2_UNWIND) += -fasynchronous-unwind-tables $(cfi) ifndef CONFIG_CC_OPTIMIZE_FOR_SIZE # Generic build system uses -O2, we want -O3 # Note: No need to add to cflags-y as that happens anyways -ARCH_CFLAGS += -O3 +# +# Disable the false maybe-uninitialized warings gcc spits out at -O3 +ARCH_CFLAGS += -O3 $(call cc-disable-warning,maybe-uninitialized,) endif # small data is default for elf32 tool-chain. If not usable, disable it diff --git a/arch/arc/boot/dts/axc001.dtsi b/arch/arc/boot/dts/axc001.dtsi index 6ae2c47..53ce226 100644 --- a/arch/arc/boot/dts/axc001.dtsi +++ b/arch/arc/boot/dts/axc001.dtsi @@ -71,7 +71,7 @@ reg-io-width = <4>; }; - arcpmu0: pmu { + arcpct0: pct { compatible = "snps,arc700-pct"; }; }; diff --git a/arch/arc/boot/dts/nsim_700.dts b/arch/arc/boot/dts/nsim_700.dts index ce0ccd20..5ee96b0 100644 --- a/arch/arc/boot/dts/nsim_700.dts +++ b/arch/arc/boot/dts/nsim_700.dts @@ -69,7 +69,7 @@ }; }; - arcpmu0: pmu { + arcpct0: pct { compatible = "snps,arc700-pct"; }; }; diff --git a/arch/arc/boot/dts/nsimosci.dts b/arch/arc/boot/dts/nsimosci.dts index bcf6031..3c391ba 100644 --- a/arch/arc/boot/dts/nsimosci.dts +++ b/arch/arc/boot/dts/nsimosci.dts @@ -83,5 +83,9 @@ reg = <0xf0003000 0x44>; interrupts = <7>; }; + + arcpct0: pct { + compatible = "snps,arc700-pct"; + }; }; }; diff --git a/arch/arc/configs/nsim_700_defconfig b/arch/arc/configs/nsim_700_defconfig index 7314f53..b0066a7 100644 --- a/arch/arc/configs/nsim_700_defconfig +++ b/arch/arc/configs/nsim_700_defconfig @@ -14,6 +14,7 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="../arc_initramfs/" CONFIG_KALLSYMS_ALL=y CONFIG_EMBEDDED=y +CONFIG_PERF_EVENTS=y # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set CONFIG_KPROBES=y diff --git a/arch/arc/configs/nsim_hs_defconfig b/arch/arc/configs/nsim_hs_defconfig index 65ab9fb..ebe9ebb 100644 --- a/arch/arc/configs/nsim_hs_defconfig +++ b/arch/arc/configs/nsim_hs_defconfig @@ -14,6 +14,7 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="../../arc_initramfs_hs/" CONFIG_KALLSYMS_ALL=y CONFIG_EMBEDDED=y +CONFIG_PERF_EVENTS=y # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set CONFIG_KPROBES=y diff --git a/arch/arc/configs/nsim_hs_smp_defconfig b/arch/arc/configs/nsim_hs_smp_defconfig index 3b3990c..4bde432 100644 --- a/arch/arc/configs/nsim_hs_smp_defconfig +++ b/arch/arc/configs/nsim_hs_smp_defconfig @@ -12,6 +12,7 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="../arc_initramfs_hs/" CONFIG_KALLSYMS_ALL=y CONFIG_EMBEDDED=y +CONFIG_PERF_EVENTS=y # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set CONFIG_KPROBES=y diff --git a/arch/arc/configs/nsimosci_defconfig b/arch/arc/configs/nsimosci_defconfig index 98cf209..f6fb3d26 100644 --- a/arch/arc/configs/nsimosci_defconfig +++ b/arch/arc/configs/nsimosci_defconfig @@ -14,6 +14,7 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="../arc_initramfs/" CONFIG_KALLSYMS_ALL=y CONFIG_EMBEDDED=y +CONFIG_PERF_EVENTS=y # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set CONFIG_KPROBES=y diff --git a/arch/arc/configs/nsimosci_hs_defconfig b/arch/arc/configs/nsimosci_hs_defconfig index ddf8b96..b9f0fe0 100644 --- a/arch/arc/configs/nsimosci_hs_defconfig +++ b/arch/arc/configs/nsimosci_hs_defconfig @@ -14,6 +14,7 @@ CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="../arc_initramfs_hs/" CONFIG_KALLSYMS_ALL=y CONFIG_EMBEDDED=y +CONFIG_PERF_EVENTS=y # CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set CONFIG_KPROBES=y diff --git a/arch/arc/configs/nsimosci_hs_smp_defconfig b/arch/arc/configs/nsimosci_hs_smp_defconfig index ceb9074..6da71ba 100644 --- a/arch/arc/configs/nsimosci_hs_smp_defconfig +++ b/arch/arc/configs/nsimosci_hs_smp_defconfig @@ -10,6 +10,7 @@ CONFIG_IKCONFIG_PROC=y # CONFIG_PID_NS is not set CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="../arc_initramfs_hs/" +CONFIG_PERF_EVENTS=y # CONFIG_COMPAT_BRK is not set CONFIG_KPROBES=y CONFIG_MODULES=y @@ -34,7 +35,6 @@ CONFIG_INET=y # CONFIG_INET_XFRM_MODE_TRANSPORT is not set # CONFIG_INET_XFRM_MODE_TUNNEL is not set # CONFIG_INET_XFRM_MODE_BEET is not set -# CONFIG_INET_LRO is not set # CONFIG_IPV6 is not set # CONFIG_WIRELESS is not set CONFIG_DEVTMPFS=y @@ -72,7 +72,6 @@ CONFIG_SERIAL_OF_PLATFORM=y # CONFIG_HWMON is not set CONFIG_DRM=y CONFIG_DRM_ARCPGU=y -CONFIG_FRAMEBUFFER_CONSOLE=y CONFIG_LOGO=y # CONFIG_HID is not set # CONFIG_USB_SUPPORT is not set diff --git a/arch/arc/include/asm/arcregs.h b/arch/arc/include/asm/arcregs.h index 7f3f9f6..1bd24ec 100644 --- a/arch/arc/include/asm/arcregs.h +++ b/arch/arc/include/asm/arcregs.h @@ -43,12 +43,14 @@ #define STATUS_AE_BIT 5 /* Exception active */ #define STATUS_DE_BIT 6 /* PC is in delay slot */ #define STATUS_U_BIT 7 /* User/Kernel mode */ +#define STATUS_Z_BIT 11 #define STATUS_L_BIT 12 /* Loop inhibit */ /* These masks correspond to the status word(STATUS_32) bits */ #define STATUS_AE_MASK (1<<STATUS_AE_BIT) #define STATUS_DE_MASK (1<<STATUS_DE_BIT) #define STATUS_U_MASK (1<<STATUS_U_BIT) +#define STATUS_Z_MASK (1<<STATUS_Z_BIT) #define STATUS_L_MASK (1<<STATUS_L_BIT) /* diff --git a/arch/arc/include/asm/smp.h b/arch/arc/include/asm/smp.h index 89fdd1b..0861007 100644 --- a/arch/arc/include/asm/smp.h +++ b/arch/arc/include/asm/smp.h @@ -37,9 +37,9 @@ extern const char *arc_platform_smp_cpuinfo(void); * API expected BY platform smp code (FROM arch smp code) * * smp_ipi_irq_setup: - * Takes @cpu and @irq to which the arch-common ISR is hooked up + * Takes @cpu and @hwirq to which the arch-common ISR is hooked up */ -extern int smp_ipi_irq_setup(int cpu, int irq); +extern int smp_ipi_irq_setup(int cpu, irq_hw_number_t hwirq); /* * struct plat_smp_ops - SMP callbacks provided by platform to ARC SMP diff --git a/arch/arc/kernel/devtree.c b/arch/arc/kernel/devtree.c index f1e07c2..3b67f53 100644 --- a/arch/arc/kernel/devtree.c +++ b/arch/arc/kernel/devtree.c @@ -31,6 +31,8 @@ static void __init arc_set_early_base_baud(unsigned long dt_root) arc_base_baud = 166666666; /* Fixed 166.6MHz clk (TB10x) */ else if (of_flat_dt_is_compatible(dt_root, "snps,arc-sdp")) arc_base_baud = 33333333; /* Fixed 33MHz clk (AXS10x) */ + else if (of_flat_dt_is_compatible(dt_root, "ezchip,arc-nps")) + arc_base_baud = 800000000; /* Fixed 800MHz clk (NPS) */ else arc_base_baud = 50000000; /* Fixed default 50MHz */ } diff --git a/arch/arc/kernel/mcip.c b/arch/arc/kernel/mcip.c index c424d5a..f39142a 100644 --- a/arch/arc/kernel/mcip.c +++ b/arch/arc/kernel/mcip.c @@ -181,6 +181,8 @@ idu_irq_set_affinity(struct irq_data *data, const struct cpumask *cpumask, { unsigned long flags; cpumask_t online; + unsigned int destination_bits; + unsigned int distribution_mode; /* errout if no online cpu per @cpumask */ if (!cpumask_and(&online, cpumask, cpu_online_mask)) @@ -188,8 +190,15 @@ idu_irq_set_affinity(struct irq_data *data, const struct cpumask *cpumask, raw_spin_lock_irqsave(&mcip_lock, flags); - idu_set_dest(data->hwirq, cpumask_bits(&online)[0]); - idu_set_mode(data->hwirq, IDU_M_TRIG_LEVEL, IDU_M_DISTRI_RR); + destination_bits = cpumask_bits(&online)[0]; + idu_set_dest(data->hwirq, destination_bits); + + if (ffs(destination_bits) == fls(destination_bits)) + distribution_mode = IDU_M_DISTRI_DEST; + else + distribution_mode = IDU_M_DISTRI_RR; + + idu_set_mode(data->hwirq, IDU_M_TRIG_LEVEL, distribution_mode); raw_spin_unlock_irqrestore(&mcip_lock, flags); @@ -207,16 +216,15 @@ static struct irq_chip idu_irq_chip = { }; -static int idu_first_irq; +static irq_hw_number_t idu_first_hwirq; static void idu_cascade_isr(struct irq_desc *desc) { - struct irq_domain *domain = irq_desc_get_handler_data(desc); - unsigned int core_irq = irq_desc_get_irq(desc); - unsigned int idu_irq; + struct irq_domain *idu_domain = irq_desc_get_handler_data(desc); + irq_hw_number_t core_hwirq = irqd_to_hwirq(irq_desc_get_irq_data(desc)); + irq_hw_number_t idu_hwirq = core_hwirq - idu_first_hwirq; - idu_irq = core_irq - idu_first_irq; - generic_handle_irq(irq_find_mapping(domain, idu_irq)); + generic_handle_irq(irq_find_mapping(idu_domain, idu_hwirq)); } static int idu_irq_map(struct irq_domain *d, unsigned int virq, irq_hw_number_t hwirq) @@ -282,7 +290,7 @@ idu_of_init(struct device_node *intc, struct device_node *parent) struct irq_domain *domain; /* Read IDU BCR to confirm nr_irqs */ int nr_irqs = of_irq_count(intc); - int i, irq; + int i, virq; struct mcip_bcr mp; READ_BCR(ARC_REG_MCIP_BCR, mp); @@ -303,11 +311,11 @@ idu_of_init(struct device_node *intc, struct device_node *parent) * however we need it to get the parent virq and set IDU handler * as first level isr */ - irq = irq_of_parse_and_map(intc, i); + virq = irq_of_parse_and_map(intc, i); if (!i) - idu_first_irq = irq; + idu_first_hwirq = irqd_to_hwirq(irq_get_irq_data(virq)); - irq_set_chained_handler_and_data(irq, idu_cascade_isr, domain); + irq_set_chained_handler_and_data(virq, idu_cascade_isr, domain); } __mcip_cmd(CMD_IDU_ENABLE, 0); diff --git a/arch/arc/kernel/process.c b/arch/arc/kernel/process.c index 59aa43c..a41a79a 100644 --- a/arch/arc/kernel/process.c +++ b/arch/arc/kernel/process.c @@ -43,8 +43,8 @@ SYSCALL_DEFINE0(arc_gettls) SYSCALL_DEFINE3(arc_usr_cmpxchg, int *, uaddr, int, expected, int, new) { - int uval; - int ret; + struct pt_regs *regs = current_pt_regs(); + int uval = -EFAULT; /* * This is only for old cores lacking LLOCK/SCOND, which by defintion @@ -54,24 +54,26 @@ SYSCALL_DEFINE3(arc_usr_cmpxchg, int *, uaddr, int, expected, int, new) */ WARN_ON_ONCE(IS_ENABLED(CONFIG_SMP)); + /* Z indicates to userspace if operation succeded */ + regs->status32 &= ~STATUS_Z_MASK; + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) return -EFAULT; preempt_disable(); - ret = __get_user(uval, uaddr); - if (ret) + if (__get_user(uval, uaddr)) goto done; - if (uval != expected) - ret = -EAGAIN; - else - ret = __put_user(new, uaddr); + if (uval == expected) { + if (!__put_user(new, uaddr)) + regs->status32 |= STATUS_Z_MASK; + } done: preempt_enable(); - return ret; + return uval; } void arch_cpu_idle(void) diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c index f183cc6..88674d9 100644 --- a/arch/arc/kernel/smp.c +++ b/arch/arc/kernel/smp.c @@ -22,6 +22,7 @@ #include <linux/atomic.h> #include <linux/cpumask.h> #include <linux/reboot.h> +#include <linux/irqdomain.h> #include <asm/processor.h> #include <asm/setup.h> #include <asm/mach_desc.h> @@ -67,11 +68,13 @@ void __init smp_prepare_cpus(unsigned int max_cpus) int i; /* - * Initialise the present map, which describes the set of CPUs - * actually populated at the present time. + * if platform didn't set the present map already, do it now + * boot cpu is set to present already by init/main.c */ - for (i = 0; i < max_cpus; i++) - set_cpu_present(i, true); + if (num_present_cpus() <= 1) { + for (i = 0; i < max_cpus; i++) + set_cpu_present(i, true); + } } void __init smp_cpus_done(unsigned int max_cpus) @@ -351,20 +354,24 @@ irqreturn_t do_IPI(int irq, void *dev_id) */ static DEFINE_PER_CPU(int, ipi_dev); -int smp_ipi_irq_setup(int cpu, int irq) +int smp_ipi_irq_setup(int cpu, irq_hw_number_t hwirq) { int *dev = per_cpu_ptr(&ipi_dev, cpu); + unsigned int virq = irq_find_mapping(NULL, hwirq); + + if (!virq) + panic("Cannot find virq for root domain and hwirq=%lu", hwirq); /* Boot cpu calls request, all call enable */ if (!cpu) { int rc; - rc = request_percpu_irq(irq, do_IPI, "IPI Interrupt", dev); + rc = request_percpu_irq(virq, do_IPI, "IPI Interrupt", dev); if (rc) - panic("Percpu IRQ request failed for %d\n", irq); + panic("Percpu IRQ request failed for %u\n", virq); } - enable_percpu_irq(irq, 0); + enable_percpu_irq(virq, 0); return 0; } diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c index f927b8d..c10390d 100644 --- a/arch/arc/kernel/time.c +++ b/arch/arc/kernel/time.c @@ -152,14 +152,17 @@ static cycle_t arc_read_rtc(struct clocksource *cs) cycle_t full; } stamp; - - __asm__ __volatile( - "1: \n" - " lr %0, [AUX_RTC_LOW] \n" - " lr %1, [AUX_RTC_HIGH] \n" - " lr %2, [AUX_RTC_CTRL] \n" - " bbit0.nt %2, 31, 1b \n" - : "=r" (stamp.low), "=r" (stamp.high), "=r" (status)); + /* + * hardware has an internal state machine which tracks readout of + * low/high and updates the CTRL.status if + * - interrupt/exception taken between the two reads + * - high increments after low has been read + */ + do { + stamp.low = read_aux_reg(AUX_RTC_LOW); + stamp.high = read_aux_reg(AUX_RTC_HIGH); + status = read_aux_reg(AUX_RTC_CTRL); + } while (!(status & _BITUL(31))); return stamp.full; } diff --git a/arch/arc/mm/dma.c b/arch/arc/mm/dma.c index 60aab5a..cd8aad8 100644 --- a/arch/arc/mm/dma.c +++ b/arch/arc/mm/dma.c @@ -105,6 +105,31 @@ static void arc_dma_free(struct device *dev, size_t size, void *vaddr, __free_pages(page, get_order(size)); } +static int arc_dma_mmap(struct device *dev, struct vm_area_struct *vma, + void *cpu_addr, dma_addr_t dma_addr, size_t size, + unsigned long attrs) +{ + unsigned long user_count = vma_pages(vma); + unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT; + unsigned long pfn = __phys_to_pfn(plat_dma_to_phys(dev, dma_addr)); + unsigned long off = vma->vm_pgoff; + int ret = -ENXIO; + + vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); + + if (dma_mmap_from_coherent(dev, vma, cpu_addr, size, &ret)) + return ret; + + if (off < count && user_count <= (count - off)) { + ret = remap_pfn_range(vma, vma->vm_start, + pfn + off, + user_count << PAGE_SHIFT, + vma->vm_page_prot); + } + + return ret; +} + /* * streaming DMA Mapping API... * CPU accesses page via normal paddr, thus needs to explicitly made @@ -193,6 +218,7 @@ static int arc_dma_supported(struct device *dev, u64 dma_mask) struct dma_map_ops arc_dma_ops = { .alloc = arc_dma_alloc, .free = arc_dma_free, + .mmap = arc_dma_mmap, .map_page = arc_dma_map_page, .map_sg = arc_dma_map_sg, .sync_single_for_device = arc_dma_sync_single_for_device, diff --git a/arch/arc/plat-eznps/smp.c b/arch/arc/plat-eznps/smp.c index 5e901f8..56a4c85 100644 --- a/arch/arc/plat-eznps/smp.c +++ b/arch/arc/plat-eznps/smp.c @@ -140,16 +140,10 @@ static void eznps_init_per_cpu(int cpu) mtm_enable_core(cpu); } -static void eznps_ipi_clear(int irq) -{ - write_aux_reg(CTOP_AUX_IACK, 1 << irq); -} - struct plat_smp_ops plat_smp_ops = { .info = smp_cpuinfo_buf, .init_early_smp = eznps_init_cpumasks, .cpu_kick = eznps_smp_wakeup_cpu, .ipi_send = eznps_ipi_send, .init_per_cpu = eznps_init_per_cpu, - .ipi_clear = eznps_ipi_clear, }; diff --git a/arch/arm/include/asm/kvm_asm.h b/arch/arm/include/asm/kvm_asm.h index d7ea6bc..8ef0538 100644 --- a/arch/arm/include/asm/kvm_asm.h +++ b/arch/arm/include/asm/kvm_asm.h @@ -66,6 +66,7 @@ extern char __kvm_hyp_vector[]; extern void __kvm_flush_vm_context(void); extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa); extern void __kvm_tlb_flush_vmid(struct kvm *kvm); +extern void __kvm_tlb_flush_local_vmid(struct kvm_vcpu *vcpu); extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu); diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index 2d19e02..d5423ab 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -57,6 +57,9 @@ struct kvm_arch { /* VTTBR value associated with below pgd and vmid */ u64 vttbr; + /* The last vcpu id that ran on each physical CPU */ + int __percpu *last_vcpu_ran; + /* Timer */ struct arch_timer_kvm timer; diff --git a/arch/arm/include/asm/kvm_hyp.h b/arch/arm/include/asm/kvm_hyp.h index 343135e..5850890 100644 --- a/arch/arm/include/asm/kvm_hyp.h +++ b/arch/arm/include/asm/kvm_hyp.h @@ -71,6 +71,7 @@ #define ICIALLUIS __ACCESS_CP15(c7, 0, c1, 0) #define ATS1CPR __ACCESS_CP15(c7, 0, c8, 0) #define TLBIALLIS __ACCESS_CP15(c8, 0, c3, 0) +#define TLBIALL __ACCESS_CP15(c8, 0, c7, 0) #define TLBIALLNSNHIS __ACCESS_CP15(c8, 4, c3, 4) #define PRRR __ACCESS_CP15(c10, 0, c2, 0) #define NMRR __ACCESS_CP15(c10, 0, c2, 1) diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index 194b699..ada0d29 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -19,7 +19,7 @@ * This may need to be greater than __NR_last_syscall+1 in order to * account for the padding in the syscall table */ -#define __NR_syscalls (396) +#define __NR_syscalls (400) #define __ARCH_WANT_STAT64 #define __ARCH_WANT_SYS_GETHOSTNAME diff --git a/arch/arm/include/uapi/asm/unistd.h b/arch/arm/include/uapi/asm/unistd.h index 2cb9dc7..314100a 100644 --- a/arch/arm/include/uapi/asm/unistd.h +++ b/arch/arm/include/uapi/asm/unistd.h @@ -420,6 +420,9 @@ #define __NR_copy_file_range (__NR_SYSCALL_BASE+391) #define __NR_preadv2 (__NR_SYSCALL_BASE+392) #define __NR_pwritev2 (__NR_SYSCALL_BASE+393) +#define __NR_pkey_mprotect (__NR_SYSCALL_BASE+394) +#define __NR_pkey_alloc (__NR_SYSCALL_BASE+395) +#define __NR_pkey_free (__NR_SYSCALL_BASE+396) /* * The following SWIs are ARM private. diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S index 703fa0f..08030b1 100644 --- a/arch/arm/kernel/calls.S +++ b/arch/arm/kernel/calls.S @@ -403,6 +403,9 @@ CALL(sys_copy_file_range) CALL(sys_preadv2) CALL(sys_pwritev2) + CALL(sys_pkey_mprotect) +/* 395 */ CALL(sys_pkey_alloc) + CALL(sys_pkey_free) #ifndef syscalls_counted .equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls #define syscalls_counted diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 08bb84f..19b5f5c 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -114,11 +114,18 @@ void kvm_arch_check_processor_compat(void *rtn) */ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) { - int ret = 0; + int ret, cpu; if (type) return -EINVAL; + kvm->arch.last_vcpu_ran = alloc_percpu(typeof(*kvm->arch.last_vcpu_ran)); + if (!kvm->arch.last_vcpu_ran) + return -ENOMEM; + + for_each_possible_cpu(cpu) + *per_cpu_ptr(kvm->arch.last_vcpu_ran, cpu) = -1; + ret = kvm_alloc_stage2_pgd(kvm); if (ret) goto out_fail_alloc; @@ -141,6 +148,8 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type) out_free_stage2_pgd: kvm_free_stage2_pgd(kvm); out_fail_alloc: + free_percpu(kvm->arch.last_vcpu_ran); + kvm->arch.last_vcpu_ran = NULL; return ret; } @@ -168,6 +177,9 @@ void kvm_arch_destroy_vm(struct kvm *kvm) { int i; + free_percpu(kvm->arch.last_vcpu_ran); + kvm->arch.last_vcpu_ran = NULL; + for (i = 0; i < KVM_MAX_VCPUS; ++i) { if (kvm->vcpus[i]) { kvm_arch_vcpu_free(kvm->vcpus[i]); @@ -312,6 +324,19 @@ int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) { + int *last_ran; + + last_ran = this_cpu_ptr(vcpu->kvm->arch.last_vcpu_ran); + + /* + * We might get preempted before the vCPU actually runs, but + * over-invalidation doesn't affect correctness. + */ + if (*last_ran != vcpu->vcpu_id) { + kvm_call_hyp(__kvm_tlb_flush_local_vmid, vcpu); + *last_ran = vcpu->vcpu_id; + } + vcpu->cpu = cpu; vcpu->arch.host_cpu_context = this_cpu_ptr(kvm_host_cpu_state); diff --git a/arch/arm/kvm/hyp/tlb.c b/arch/arm/kvm/hyp/tlb.c index 7296528..6d810af 100644 --- a/arch/arm/kvm/hyp/tlb.c +++ b/arch/arm/kvm/hyp/tlb.c @@ -55,6 +55,21 @@ void __hyp_text __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa) __kvm_tlb_flush_vmid(kvm); } +void __hyp_text __kvm_tlb_flush_local_vmid(struct kvm_vcpu *vcpu) +{ + struct kvm *kvm = kern_hyp_va(kern_hyp_va(vcpu)->kvm); + + /* Switch to requested VMID */ + write_sysreg(kvm->arch.vttbr, VTTBR); + isb(); + + write_sysreg(0, TLBIALL); + dsb(nsh); + isb(); + + write_sysreg(0, VTTBR); +} + void __hyp_text __kvm_flush_vm_context(void) { write_sysreg(0, TLBIALLNSNHIS); diff --git a/arch/arm/mm/abort-lv4t.S b/arch/arm/mm/abort-lv4t.S index 6d8e8e3..4cdfab3 100644 --- a/arch/arm/mm/abort-lv4t.S +++ b/arch/arm/mm/abort-lv4t.S @@ -7,7 +7,7 @@ * : r4 = aborted context pc * : r5 = aborted context psr * - * Returns : r4-r5, r10-r11, r13 preserved + * Returns : r4-r5, r9-r11, r13 preserved * * Purpose : obtain information about current aborted instruction. * Note: we read user space. This means we might cause a data @@ -48,7 +48,10 @@ ENTRY(v4t_late_abort) /* c */ b do_DataAbort @ ldc rd, [rn], #m @ Same as ldr rd, [rn], #m /* d */ b do_DataAbort @ ldc rd, [rn, #m] /* e */ b .data_unknown -/* f */ +/* f */ b .data_unknown + +.data_unknown_r9: + ldr r9, [sp], #4 .data_unknown: @ Part of jumptable mov r0, r4 mov r1, r8 @@ -57,6 +60,7 @@ ENTRY(v4t_late_abort) .data_arm_ldmstm: tst r8, #1 << 21 @ check writeback bit beq do_DataAbort @ no writeback -> no fixup + str r9, [sp, #-4]! mov r7, #0x11 orr r7, r7, #0x1100 and r6, r8, r7 @@ -75,12 +79,14 @@ ENTRY(v4t_late_abort) subne r7, r7, r6, lsl #2 @ Undo increment addeq r7, r7, r6, lsl #2 @ Undo decrement str r7, [r2, r9, lsr #14] @ Put register 'Rn' + ldr r9, [sp], #4 b do_DataAbort .data_arm_lateldrhpre: tst r8, #1 << 21 @ Check writeback bit beq do_DataAbort @ No writeback -> no fixup .data_arm_lateldrhpost: + str r9, [sp, #-4]! and r9, r8, #0x00f @ get Rm / low nibble of immediate value tst r8, #1 << 22 @ if (immediate offset) andne r6, r8, #0xf00 @ { immediate high nibble @@ -93,6 +99,7 @@ ENTRY(v4t_late_abort) subne r7, r7, r6 @ Undo incrmenet addeq r7, r7, r6 @ Undo decrement str r7, [r2, r9, lsr #14] @ Put register 'Rn' + ldr r9, [sp], #4 b do_DataAbort .data_arm_lateldrpreconst: @@ -101,12 +108,14 @@ ENTRY(v4t_late_abort) .data_arm_lateldrpostconst: movs r6, r8, lsl #20 @ Get offset beq do_DataAbort @ zero -> no fixup + str r9, [sp, #-4]! and r9, r8, #15 << 16 @ Extract 'n' from instruction ldr r7, [r2, r9, lsr #14] @ Get register 'Rn' tst r8, #1 << 23 @ Check U bit subne r7, r7, r6, lsr #20 @ Undo increment addeq r7, r7, r6, lsr #20 @ Undo decrement str r7, [r2, r9, lsr #14] @ Put register 'Rn' + ldr r9, [sp], #4 b do_DataAbort .data_arm_lateldrprereg: @@ -115,6 +124,7 @@ ENTRY(v4t_late_abort) .data_arm_lateldrpostreg: and r7, r8, #15 @ Extract 'm' from instruction ldr r6, [r2, r7, lsl #2] @ Get register 'Rm' + str r9, [sp, #-4]! mov r9, r8, lsr #7 @ get shift count ands r9, r9, #31 and r7, r8, #0x70 @ get shift type @@ -126,33 +136,33 @@ ENTRY(v4t_late_abort) b .data_arm_apply_r6_and_rn b .data_arm_apply_r6_and_rn @ 1: LSL #0 nop - b .data_unknown @ 2: MUL? + b .data_unknown_r9 @ 2: MUL? nop - b .data_unknown @ 3: MUL? + b .data_unknown_r9 @ 3: MUL? nop mov r6, r6, lsr r9 @ 4: LSR #!0 b .data_arm_apply_r6_and_rn mov r6, r6, lsr #32 @ 5: LSR #32 b .data_arm_apply_r6_and_rn - b .data_unknown @ 6: MUL? + b .data_unknown_r9 @ 6: MUL? nop - b .data_unknown @ 7: MUL? + b .data_unknown_r9 @ 7: MUL? nop mov r6, r6, asr r9 @ 8: ASR #!0 b .data_arm_apply_r6_and_rn mov r6, r6, asr #32 @ 9: ASR #32 b .data_arm_apply_r6_and_rn - b .data_unknown @ A: MUL? + b .data_unknown_r9 @ A: MUL? nop - b .data_unknown @ B: MUL? + b .data_unknown_r9 @ B: MUL? nop mov r6, r6, ror r9 @ C: ROR #!0 b .data_arm_apply_r6_and_rn mov r6, r6, rrx @ D: RRX b .data_arm_apply_r6_and_rn - b .data_unknown @ E: MUL? + b .data_unknown_r9 @ E: MUL? nop - b .data_unknown @ F: MUL? + b .data_unknown_r9 @ F: MUL? .data_thumb_abort: ldrh r8, [r4] @ read instruction @@ -190,6 +200,7 @@ ENTRY(v4t_late_abort) .data_thumb_pushpop: tst r8, #1 << 10 beq .data_unknown + str r9, [sp, #-4]! and r6, r8, #0x55 @ hweight8(r8) + R bit and r9, r8, #0xaa add r6, r6, r9, lsr #1 @@ -204,9 +215,11 @@ ENTRY(v4t_late_abort) addeq r7, r7, r6, lsl #2 @ increment SP if PUSH subne r7, r7, r6, lsl #2 @ decrement SP if POP str r7, [r2, #13 << 2] + ldr r9, [sp], #4 b do_DataAbort .data_thumb_ldmstm: + str r9, [sp, #-4]! and r6, r8, #0x55 @ hweight8(r8) and r9, r8, #0xaa add r6, r6, r9, lsr #1 @@ -219,4 +232,5 @@ ENTRY(v4t_late_abort) and r6, r6, #15 @ number of regs to transfer sub r7, r7, r6, lsl #2 @ always decrement str r7, [r2, r9, lsr #6] + ldr r9, [sp], #4 b do_DataAbort diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index b65c193..7afbfb0 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi @@ -300,8 +300,11 @@ ranges = <0x83000000 0x0 0xfa000000 0x0 0xfa000000 0x0 0x600000 0x81000000 0x0 0xfa600000 0x0 0xfa600000 0x0 0x100000>; resets = <&cru SRST_PCIE_CORE>, <&cru SRST_PCIE_MGMT>, - <&cru SRST_PCIE_MGMT_STICKY>, <&cru SRST_PCIE_PIPE>; - reset-names = "core", "mgmt", "mgmt-sticky", "pipe"; + <&cru SRST_PCIE_MGMT_STICKY>, <&cru SRST_PCIE_PIPE>, + <&cru SRST_PCIE_PM>, <&cru SRST_P_PCIE>, + <&cru SRST_A_PCIE>; + reset-names = "core", "mgmt", "mgmt-sticky", "pipe", + "pm", "pclk", "aclk"; status = "disabled"; pcie0_intc: interrupt-controller { diff --git a/arch/arm64/include/asm/alternative.h b/arch/arm64/include/asm/alternative.h index 39feb85..6e1cb8c 100644 --- a/arch/arm64/include/asm/alternative.h +++ b/arch/arm64/include/asm/alternative.h @@ -1,7 +1,7 @@ #ifndef __ASM_ALTERNATIVE_H #define __ASM_ALTERNATIVE_H -#include <asm/cpufeature.h> +#include <asm/cpucaps.h> #include <asm/insn.h> #ifndef __ASSEMBLY__ diff --git a/arch/arm64/include/asm/cpucaps.h b/arch/arm64/include/asm/cpucaps.h new file mode 100644 index 0000000..87b4465 --- /dev/null +++ b/arch/arm64/include/asm/cpucaps.h @@ -0,0 +1,40 @@ +/* + * arch/arm64/include/asm/cpucaps.h + * + * Copyright (C) 2016 ARM Ltd. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ +#ifndef __ASM_CPUCAPS_H +#define __ASM_CPUCAPS_H + +#define ARM64_WORKAROUND_CLEAN_CACHE 0 +#define ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE 1 +#define ARM64_WORKAROUND_845719 2 +#define ARM64_HAS_SYSREG_GIC_CPUIF 3 +#define ARM64_HAS_PAN 4 +#define ARM64_HAS_LSE_ATOMICS 5 +#define ARM64_WORKAROUND_CAVIUM_23154 6 +#define ARM64_WORKAROUND_834220 7 +#define ARM64_HAS_NO_HW_PREFETCH 8 +#define ARM64_HAS_UAO 9 +#define ARM64_ALT_PAN_NOT_UAO 10 +#define ARM64_HAS_VIRT_HOST_EXTN 11 +#define ARM64_WORKAROUND_CAVIUM_27456 12 +#define ARM64_HAS_32BIT_EL0 13 +#define ARM64_HYP_OFFSET_LOW 14 +#define ARM64_MISMATCHED_CACHE_LINE_SIZE 15 + +#define ARM64_NCAPS 16 + +#endif /* __ASM_CPUCAPS_H */ diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index a27c324..0bc0b1d 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -11,6 +11,7 @@ #include <linux/jump_label.h> +#include <asm/cpucaps.h> #include <asm/hwcap.h> #include <asm/sysreg.h> @@ -24,25 +25,6 @@ #define MAX_CPU_FEATURES (8 * sizeof(elf_hwcap)) #define cpu_feature(x) ilog2(HWCAP_ ## x) -#define ARM64_WORKAROUND_CLEAN_CACHE 0 -#define ARM64_WORKAROUND_DEVICE_LOAD_ACQUIRE 1 -#define ARM64_WORKAROUND_845719 2 -#define ARM64_HAS_SYSREG_GIC_CPUIF 3 -#define ARM64_HAS_PAN 4 -#define ARM64_HAS_LSE_ATOMICS 5 -#define ARM64_WORKAROUND_CAVIUM_23154 6 -#define ARM64_WORKAROUND_834220 7 -#define ARM64_HAS_NO_HW_PREFETCH 8 -#define ARM64_HAS_UAO 9 -#define ARM64_ALT_PAN_NOT_UAO 10 -#define ARM64_HAS_VIRT_HOST_EXTN 11 -#define ARM64_WORKAROUND_CAVIUM_27456 12 -#define ARM64_HAS_32BIT_EL0 13 -#define ARM64_HYP_OFFSET_LOW 14 -#define ARM64_MISMATCHED_CACHE_LINE_SIZE 15 - -#define ARM64_NCAPS 16 - #ifndef __ASSEMBLY__ #include <linux/kernel.h> diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h index 18f7465..ec3553eb 100644 --- a/arch/arm64/include/asm/kvm_asm.h +++ b/arch/arm64/include/asm/kvm_asm.h @@ -54,6 +54,7 @@ extern char __kvm_hyp_vector[]; extern void __kvm_flush_vm_context(void); extern void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa); extern void __kvm_tlb_flush_vmid(struct kvm *kvm); +extern void __kvm_tlb_flush_local_vmid(struct kvm_vcpu *vcpu); extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu); diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index bd94e67..e505038 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -62,6 +62,9 @@ struct kvm_arch { /* VTTBR value associated with above pgd and vmid */ u64 vttbr; + /* The last vcpu id that ran on each physical CPU */ + int __percpu *last_vcpu_ran; + /* The maximum number of vCPUs depends on the used GIC model */ int max_vcpus; diff --git a/arch/arm64/include/asm/kvm_mmu.h b/arch/arm64/include/asm/kvm_mmu.h index a79b969..6f72fe8 100644 --- a/arch/arm64/include/asm/kvm_mmu.h +++ b/arch/arm64/include/asm/kvm_mmu.h @@ -128,7 +128,7 @@ static inline unsigned long __kern_hyp_va(unsigned long v) return v; } -#define kern_hyp_va(v) (typeof(v))(__kern_hyp_va((unsigned long)(v))) +#define kern_hyp_va(v) ((typeof(v))(__kern_hyp_va((unsigned long)(v)))) /* * We currently only support a 40bit IPA. diff --git a/arch/arm64/include/asm/lse.h b/arch/arm64/include/asm/lse.h index 23acc00..fc756e2 100644 --- a/arch/arm64/include/asm/lse.h +++ b/arch/arm64/include/asm/lse.h @@ -5,7 +5,6 @@ #include <linux/stringify.h> #include <asm/alternative.h> -#include <asm/cpufeature.h> #ifdef __ASSEMBLER__ diff --git a/arch/arm64/kvm/hyp/tlb.c b/arch/arm64/kvm/hyp/tlb.c index 9cc0ea7..88e2f2b 100644 --- a/arch/arm64/kvm/hyp/tlb.c +++ b/arch/arm64/kvm/hyp/tlb.c @@ -64,6 +64,21 @@ void __hyp_text __kvm_tlb_flush_vmid(struct kvm *kvm) write_sysreg(0, vttbr_el2); } +void __hyp_text __kvm_tlb_flush_local_vmid(struct kvm_vcpu *vcpu) +{ + struct kvm *kvm = kern_hyp_va(kern_hyp_va(vcpu)->kvm); + + /* Switch to requested VMID */ + write_sysreg(kvm->arch.vttbr, vttbr_el2); + isb(); + + asm volatile("tlbi vmalle1" : : ); + dsb(nsh); + isb(); + + write_sysreg(0, vttbr_el2); +} + void __hyp_text __kvm_flush_vm_context(void) { dsb(ishst); diff --git a/arch/mips/Makefile b/arch/mips/Makefile index fbf40d3..1a6bac7 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -263,7 +263,7 @@ KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0) bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \ VMLINUX_ENTRY_ADDRESS=$(entry-y) \ - PLATFORM=$(platform-y) + PLATFORM="$(platform-y)" ifdef CONFIG_32BIT bootvars-y += ADDR_BITS=32 endif diff --git a/arch/mips/boot/dts/mti/malta.dts b/arch/mips/boot/dts/mti/malta.dts index f604a27..ffe3a15 100644 --- a/arch/mips/boot/dts/mti/malta.dts +++ b/arch/mips/boot/dts/mti/malta.dts @@ -84,12 +84,13 @@ fpga_regs: system-controller@1f000000 { compatible = "mti,malta-fpga", "syscon", "simple-mfd"; reg = <0x1f000000 0x1000>; + native-endian; reboot { compatible = "syscon-reboot"; regmap = <&fpga_regs>; offset = <0x500>; - mask = <0x4d>; + mask = <0x42>; }; }; diff --git a/arch/mips/generic/init.c b/arch/mips/generic/init.c index 0ea73e8..d493ccb 100644 --- a/arch/mips/generic/init.c +++ b/arch/mips/generic/init.c @@ -30,9 +30,19 @@ static __initdata const void *mach_match_data; void __init prom_init(void) { + plat_get_fdt(); + BUG_ON(!fdt); +} + +void __init *plat_get_fdt(void) +{ const struct mips_machine *check_mach; const struct of_device_id *match; + if (fdt) + /* Already set up */ + return (void *)fdt; + if ((fw_arg0 == -2) && !fdt_check_header((void *)fw_arg1)) { /* * We booted using the UHI boot protocol, so we have been @@ -75,12 +85,6 @@ void __init prom_init(void) /* Retrieve the machine's FDT */ fdt = mach->fdt; } - - BUG_ON(!fdt); -} - -void __init *plat_get_fdt(void) -{ return (void *)fdt; } diff --git a/arch/mips/include/asm/fpu_emulator.h b/arch/mips/include/asm/fpu_emulator.h index 355dc25..c05369e 100644 --- a/arch/mips/include/asm/fpu_emulator.h +++ b/arch/mips/include/asm/fpu_emulator.h @@ -63,6 +63,8 @@ do { \ extern int fpu_emulator_cop1Handler(struct pt_regs *xcp, struct mips_fpu_struct *ctx, int has_fpu, void *__user *fault_addr); +void force_fcr31_sig(unsigned long fcr31, void __user *fault_addr, + struct task_struct *tsk); int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcr31); int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn, @@ -81,4 +83,15 @@ static inline void fpu_emulator_init_fpu(void) set_fpr64(&t->thread.fpu.fpr[i], 0, SIGNALLING_NAN); } +/* + * Mask the FCSR Cause bits according to the Enable bits, observing + * that Unimplemented is always enabled. + */ +static inline unsigned long mask_fcr31_x(unsigned long fcr31) +{ + return fcr31 & (FPU_CSR_UNI_X | + ((fcr31 & FPU_CSR_ALL_E) << + (ffs(FPU_CSR_ALL_X) - ffs(FPU_CSR_ALL_E)))); +} + #endif /* _ASM_FPU_EMULATOR_H */ diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index 07f58cf..bebec37 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -293,7 +293,10 @@ struct kvm_vcpu_arch { /* Host KSEG0 address of the EI/DI offset */ void *kseg0_commpage; - u32 io_gpr; /* GPR used as IO source/target */ + /* Resume PC after MMIO completion */ + unsigned long io_pc; + /* GPR used as IO source/target */ + u32 io_gpr; struct hrtimer comparecount_timer; /* Count timer control KVM register */ @@ -315,8 +318,6 @@ struct kvm_vcpu_arch { /* Bitmask of pending exceptions to be cleared */ unsigned long pending_exceptions_clr; - u32 pending_load_cause; - /* Save/Restore the entryhi register when are are preempted/scheduled back in */ unsigned long preempt_entryhi; diff --git a/arch/mips/include/asm/switch_to.h b/arch/mips/include/asm/switch_to.h index ebb5c0f..c0ae279 100644 --- a/arch/mips/include/asm/switch_to.h +++ b/arch/mips/include/asm/switch_to.h @@ -76,6 +76,22 @@ do { if (cpu_has_rw_llb) { \ } while (0) /* + * Check FCSR for any unmasked exceptions pending set with `ptrace', + * clear them and send a signal. + */ +#define __sanitize_fcr31(next) \ +do { \ + unsigned long fcr31 = mask_fcr31_x(next->thread.fpu.fcr31); \ + void __user *pc; \ + \ + if (unlikely(fcr31)) { \ + pc = (void __user *)task_pt_regs(next)->cp0_epc; \ + next->thread.fpu.fcr31 &= ~fcr31; \ + force_fcr31_sig(fcr31, pc, next); \ + } \ +} while (0) + +/* * For newly created kernel threads switch_to() will return to * ret_from_kernel_thread, newly created user threads to ret_from_fork. * That is, everything following resume() will be skipped for new threads. @@ -85,6 +101,8 @@ do { if (cpu_has_rw_llb) { \ do { \ __mips_mt_fpaff_switch_to(prev); \ lose_fpu_inatomic(1, prev); \ + if (tsk_used_math(next)) \ + __sanitize_fcr31(next); \ if (cpu_has_dsp) { \ __save_dsp(prev); \ __restore_dsp(next); \ diff --git a/arch/mips/kernel/mips-cpc.c b/arch/mips/kernel/mips-cpc.c index 2a45867..a4964c3 100644 --- a/arch/mips/kernel/mips-cpc.c +++ b/arch/mips/kernel/mips-cpc.c @@ -21,6 +21,11 @@ static DEFINE_PER_CPU_ALIGNED(spinlock_t, cpc_core_lock); static DEFINE_PER_CPU_ALIGNED(unsigned long, cpc_core_lock_flags); +phys_addr_t __weak mips_cpc_default_phys_base(void) +{ + return 0; +} + /** * mips_cpc_phys_base - retrieve the physical base address of the CPC * @@ -43,8 +48,12 @@ static phys_addr_t mips_cpc_phys_base(void) if (cpc_base & CM_GCR_CPC_BASE_CPCEN_MSK) return cpc_base & CM_GCR_CPC_BASE_CPCBASE_MSK; - /* Otherwise, give it the default address & enable it */ + /* Otherwise, use the default address */ cpc_base = mips_cpc_default_phys_base(); + if (!cpc_base) + return cpc_base; + + /* Enable the CPC, mapped at the default address */ write_gcr_cpc_base(cpc_base | CM_GCR_CPC_BASE_CPCEN_MSK); return cpc_base; } diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c index 22dedd6..bd09853 100644 --- a/arch/mips/kernel/mips-r2-to-r6-emul.c +++ b/arch/mips/kernel/mips-r2-to-r6-emul.c @@ -899,7 +899,7 @@ static inline int mipsr2_find_op_func(struct pt_regs *regs, u32 inst, * mipsr2_decoder: Decode and emulate a MIPS R2 instruction * @regs: Process register set * @inst: Instruction to decode and emulate - * @fcr31: Floating Point Control and Status Register returned + * @fcr31: Floating Point Control and Status Register Cause bits returned */ int mipsr2_decoder(struct pt_regs *regs, u32 inst, unsigned long *fcr31) { @@ -1172,13 +1172,13 @@ fpu_emul: err = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 0, &fault_addr); - *fcr31 = current->thread.fpu.fcr31; /* - * We can't allow the emulated instruction to leave any of - * the cause bits set in $fcr31. + * We can't allow the emulated instruction to leave any + * enabled Cause bits set in $fcr31. */ - current->thread.fpu.fcr31 &= ~FPU_CSR_ALL_X; + *fcr31 = res = mask_fcr31_x(current->thread.fpu.fcr31); + current->thread.fpu.fcr31 &= ~res; /* * this is a tricky issue - lose_fpu() uses LL/SC atomics diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 6103b24..a92994d 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -79,16 +79,15 @@ void ptrace_disable(struct task_struct *child) } /* - * Poke at FCSR according to its mask. Don't set the cause bits as - * this is currently not handled correctly in FP context restoration - * and will cause an oops if a corresponding enable bit is set. + * Poke at FCSR according to its mask. Set the Cause bits even + * if a corresponding Enable bit is set. This will be noticed at + * the time the thread is switched to and SIGFPE thrown accordingly. */ static void ptrace_setfcr31(struct task_struct *child, u32 value) { u32 fcr31; u32 mask; - value &= ~FPU_CSR_ALL_X; fcr31 = child->thread.fpu.fcr31; mask = boot_cpu_data.fpu_msk31; child->thread.fpu.fcr31 = (value & ~mask) | (fcr31 & mask); @@ -817,6 +816,7 @@ long arch_ptrace(struct task_struct *child, long request, break; #endif case FPC_CSR: + init_fp_ctx(child); ptrace_setfcr31(child, data); break; case DSP_BASE ... DSP_BASE + 5: { diff --git a/arch/mips/kernel/r2300_fpu.S b/arch/mips/kernel/r2300_fpu.S index b4ac637..918f2f6 100644 --- a/arch/mips/kernel/r2300_fpu.S +++ b/arch/mips/kernel/r2300_fpu.S @@ -21,106 +21,84 @@ #define EX(a,b) \ 9: a,##b; \ .section __ex_table,"a"; \ + PTR 9b,fault; \ + .previous + +#define EX2(a,b) \ +9: a,##b; \ + .section __ex_table,"a"; \ PTR 9b,bad_stack; \ + PTR 9b+4,bad_stack; \ .previous .set noreorder .set mips1 - /* Save floating point context */ + +/** + * _save_fp_context() - save FP context from the FPU + * @a0 - pointer to fpregs field of sigcontext + * @a1 - pointer to fpc_csr field of sigcontext + * + * Save FP context, including the 32 FP data registers and the FP + * control & status register, from the FPU to signal context. + */ LEAF(_save_fp_context) .set push SET_HARDFLOAT li v0, 0 # assume success - cfc1 t1,fcr31 - EX(swc1 $f0,(SC_FPREGS+0)(a0)) - EX(swc1 $f1,(SC_FPREGS+8)(a0)) - EX(swc1 $f2,(SC_FPREGS+16)(a0)) - EX(swc1 $f3,(SC_FPREGS+24)(a0)) - EX(swc1 $f4,(SC_FPREGS+32)(a0)) - EX(swc1 $f5,(SC_FPREGS+40)(a0)) - EX(swc1 $f6,(SC_FPREGS+48)(a0)) - EX(swc1 $f7,(SC_FPREGS+56)(a0)) - EX(swc1 $f8,(SC_FPREGS+64)(a0)) - EX(swc1 $f9,(SC_FPREGS+72)(a0)) - EX(swc1 $f10,(SC_FPREGS+80)(a0)) - EX(swc1 $f11,(SC_FPREGS+88)(a0)) - EX(swc1 $f12,(SC_FPREGS+96)(a0)) - EX(swc1 $f13,(SC_FPREGS+104)(a0)) - EX(swc1 $f14,(SC_FPREGS+112)(a0)) - EX(swc1 $f15,(SC_FPREGS+120)(a0)) - EX(swc1 $f16,(SC_FPREGS+128)(a0)) - EX(swc1 $f17,(SC_FPREGS+136)(a0)) - EX(swc1 $f18,(SC_FPREGS+144)(a0)) - EX(swc1 $f19,(SC_FPREGS+152)(a0)) - EX(swc1 $f20,(SC_FPREGS+160)(a0)) - EX(swc1 $f21,(SC_FPREGS+168)(a0)) - EX(swc1 $f22,(SC_FPREGS+176)(a0)) - EX(swc1 $f23,(SC_FPREGS+184)(a0)) - EX(swc1 $f24,(SC_FPREGS+192)(a0)) - EX(swc1 $f25,(SC_FPREGS+200)(a0)) - EX(swc1 $f26,(SC_FPREGS+208)(a0)) - EX(swc1 $f27,(SC_FPREGS+216)(a0)) - EX(swc1 $f28,(SC_FPREGS+224)(a0)) - EX(swc1 $f29,(SC_FPREGS+232)(a0)) - EX(swc1 $f30,(SC_FPREGS+240)(a0)) - EX(swc1 $f31,(SC_FPREGS+248)(a0)) - EX(sw t1,(SC_FPC_CSR)(a0)) - cfc1 t0,$0 # implementation/version + cfc1 t1, fcr31 + EX2(s.d $f0, 0(a0)) + EX2(s.d $f2, 16(a0)) + EX2(s.d $f4, 32(a0)) + EX2(s.d $f6, 48(a0)) + EX2(s.d $f8, 64(a0)) + EX2(s.d $f10, 80(a0)) + EX2(s.d $f12, 96(a0)) + EX2(s.d $f14, 112(a0)) + EX2(s.d $f16, 128(a0)) + EX2(s.d $f18, 144(a0)) + EX2(s.d $f20, 160(a0)) + EX2(s.d $f22, 176(a0)) + EX2(s.d $f24, 192(a0)) + EX2(s.d $f26, 208(a0)) + EX2(s.d $f28, 224(a0)) + EX2(s.d $f30, 240(a0)) jr ra + EX(sw t1, (a1)) .set pop - .set nomacro - EX(sw t0,(SC_FPC_EIR)(a0)) - .set macro END(_save_fp_context) -/* - * Restore FPU state: - * - fp gp registers - * - cp1 status/control register +/** + * _restore_fp_context() - restore FP context to the FPU + * @a0 - pointer to fpregs field of sigcontext + * @a1 - pointer to fpc_csr field of sigcontext * - * We base the decision which registers to restore from the signal stack - * frame on the current content of c0_status, not on the content of the - * stack frame which might have been changed by the user. + * Restore FP context, including the 32 FP data registers and the FP + * control & status register, from signal context to the FPU. */ LEAF(_restore_fp_context) .set push SET_HARDFLOAT li v0, 0 # assume success - EX(lw t0,(SC_FPC_CSR)(a0)) - EX(lwc1 $f0,(SC_FPREGS+0)(a0)) - EX(lwc1 $f1,(SC_FPREGS+8)(a0)) - EX(lwc1 $f2,(SC_FPREGS+16)(a0)) - EX(lwc1 $f3,(SC_FPREGS+24)(a0)) - EX(lwc1 $f4,(SC_FPREGS+32)(a0)) - EX(lwc1 $f5,(SC_FPREGS+40)(a0)) - EX(lwc1 $f6,(SC_FPREGS+48)(a0)) - EX(lwc1 $f7,(SC_FPREGS+56)(a0)) - EX(lwc1 $f8,(SC_FPREGS+64)(a0)) - EX(lwc1 $f9,(SC_FPREGS+72)(a0)) - EX(lwc1 $f10,(SC_FPREGS+80)(a0)) - EX(lwc1 $f11,(SC_FPREGS+88)(a0)) - EX(lwc1 $f12,(SC_FPREGS+96)(a0)) - EX(lwc1 $f13,(SC_FPREGS+104)(a0)) - EX(lwc1 $f14,(SC_FPREGS+112)(a0)) - EX(lwc1 $f15,(SC_FPREGS+120)(a0)) - EX(lwc1 $f16,(SC_FPREGS+128)(a0)) - EX(lwc1 $f17,(SC_FPREGS+136)(a0)) - EX(lwc1 $f18,(SC_FPREGS+144)(a0)) - EX(lwc1 $f19,(SC_FPREGS+152)(a0)) - EX(lwc1 $f20,(SC_FPREGS+160)(a0)) - EX(lwc1 $f21,(SC_FPREGS+168)(a0)) - EX(lwc1 $f22,(SC_FPREGS+176)(a0)) - EX(lwc1 $f23,(SC_FPREGS+184)(a0)) - EX(lwc1 $f24,(SC_FPREGS+192)(a0)) - EX(lwc1 $f25,(SC_FPREGS+200)(a0)) - EX(lwc1 $f26,(SC_FPREGS+208)(a0)) - EX(lwc1 $f27,(SC_FPREGS+216)(a0)) - EX(lwc1 $f28,(SC_FPREGS+224)(a0)) - EX(lwc1 $f29,(SC_FPREGS+232)(a0)) - EX(lwc1 $f30,(SC_FPREGS+240)(a0)) - EX(lwc1 $f31,(SC_FPREGS+248)(a0)) + EX(lw t0, (a1)) + EX2(l.d $f0, 0(a0)) + EX2(l.d $f2, 16(a0)) + EX2(l.d $f4, 32(a0)) + EX2(l.d $f6, 48(a0)) + EX2(l.d $f8, 64(a0)) + EX2(l.d $f10, 80(a0)) + EX2(l.d $f12, 96(a0)) + EX2(l.d $f14, 112(a0)) + EX2(l.d $f16, 128(a0)) + EX2(l.d $f18, 144(a0)) + EX2(l.d $f20, 160(a0)) + EX2(l.d $f22, 176(a0)) + EX2(l.d $f24, 192(a0)) + EX2(l.d $f26, 208(a0)) + EX2(l.d $f28, 224(a0)) + EX2(l.d $f30, 240(a0)) jr ra - ctc1 t0,fcr31 + ctc1 t0, fcr31 .set pop END(_restore_fp_context) .set reorder diff --git a/arch/mips/kernel/r6000_fpu.S b/arch/mips/kernel/r6000_fpu.S index 4707738..9cc7bfa 100644 --- a/arch/mips/kernel/r6000_fpu.S +++ b/arch/mips/kernel/r6000_fpu.S @@ -21,7 +21,14 @@ .set push SET_HARDFLOAT - /* Save floating point context */ +/** + * _save_fp_context() - save FP context from the FPU + * @a0 - pointer to fpregs field of sigcontext + * @a1 - pointer to fpc_csr field of sigcontext + * + * Save FP context, including the 32 FP data registers and the FP + * control & status register, from the FPU to signal context. + */ LEAF(_save_fp_context) mfc0 t0,CP0_STATUS sll t0,t0,2 @@ -30,59 +37,59 @@ cfc1 t1,fcr31 /* Store the 16 double precision registers */ - sdc1 $f0,(SC_FPREGS+0)(a0) - sdc1 $f2,(SC_FPREGS+16)(a0) - sdc1 $f4,(SC_FPREGS+32)(a0) - sdc1 $f6,(SC_FPREGS+48)(a0) - sdc1 $f8,(SC_FPREGS+64)(a0) - sdc1 $f10,(SC_FPREGS+80)(a0) - sdc1 $f12,(SC_FPREGS+96)(a0) - sdc1 $f14,(SC_FPREGS+112)(a0) - sdc1 $f16,(SC_FPREGS+128)(a0) - sdc1 $f18,(SC_FPREGS+144)(a0) - sdc1 $f20,(SC_FPREGS+160)(a0) - sdc1 $f22,(SC_FPREGS+176)(a0) - sdc1 $f24,(SC_FPREGS+192)(a0) - sdc1 $f26,(SC_FPREGS+208)(a0) - sdc1 $f28,(SC_FPREGS+224)(a0) - sdc1 $f30,(SC_FPREGS+240)(a0) + sdc1 $f0,0(a0) + sdc1 $f2,16(a0) + sdc1 $f4,32(a0) + sdc1 $f6,48(a0) + sdc1 $f8,64(a0) + sdc1 $f10,80(a0) + sdc1 $f12,96(a0) + sdc1 $f14,112(a0) + sdc1 $f16,128(a0) + sdc1 $f18,144(a0) + sdc1 $f20,160(a0) + sdc1 $f22,176(a0) + sdc1 $f24,192(a0) + sdc1 $f26,208(a0) + sdc1 $f28,224(a0) + sdc1 $f30,240(a0) jr ra - sw t0,SC_FPC_CSR(a0) + sw t0,(a1) 1: jr ra nop END(_save_fp_context) -/* Restore FPU state: - * - fp gp registers - * - cp1 status/control register +/** + * _restore_fp_context() - restore FP context to the FPU + * @a0 - pointer to fpregs field of sigcontext + * @a1 - pointer to fpc_csr field of sigcontext * - * We base the decision which registers to restore from the signal stack - * frame on the current content of c0_status, not on the content of the - * stack frame which might have been changed by the user. + * Restore FP context, including the 32 FP data registers and the FP + * control & status register, from signal context to the FPU. */ LEAF(_restore_fp_context) mfc0 t0,CP0_STATUS sll t0,t0,2 bgez t0,1f - lw t0,SC_FPC_CSR(a0) + lw t0,(a1) /* Restore the 16 double precision registers */ - ldc1 $f0,(SC_FPREGS+0)(a0) - ldc1 $f2,(SC_FPREGS+16)(a0) - ldc1 $f4,(SC_FPREGS+32)(a0) - ldc1 $f6,(SC_FPREGS+48)(a0) - ldc1 $f8,(SC_FPREGS+64)(a0) - ldc1 $f10,(SC_FPREGS+80)(a0) - ldc1 $f12,(SC_FPREGS+96)(a0) - ldc1 $f14,(SC_FPREGS+112)(a0) - ldc1 $f16,(SC_FPREGS+128)(a0) - ldc1 $f18,(SC_FPREGS+144)(a0) - ldc1 $f20,(SC_FPREGS+160)(a0) - ldc1 $f22,(SC_FPREGS+176)(a0) - ldc1 $f24,(SC_FPREGS+192)(a0) - ldc1 $f26,(SC_FPREGS+208)(a0) - ldc1 $f28,(SC_FPREGS+224)(a0) - ldc1 $f30,(SC_FPREGS+240)(a0) + ldc1 $f0,0(a0) + ldc1 $f2,16(a0) + ldc1 $f4,32(a0) + ldc1 $f6,48(a0) + ldc1 $f8,64(a0) + ldc1 $f10,80(a0) + ldc1 $f12,96(a0) + ldc1 $f14,112(a0) + ldc1 $f16,128(a0) + ldc1 $f18,144(a0) + ldc1 $f20,160(a0) + ldc1 $f22,176(a0) + ldc1 $f24,192(a0) + ldc1 $f26,208(a0) + ldc1 $f28,224(a0) + ldc1 $f30,240(a0) jr ra ctc1 t0,fcr31 1: jr ra diff --git a/arch/mips/kernel/relocate.c b/arch/mips/kernel/relocate.c index ca1cc30..1958910 100644 --- a/arch/mips/kernel/relocate.c +++ b/arch/mips/kernel/relocate.c @@ -200,7 +200,7 @@ static inline __init unsigned long get_random_boot(void) #if defined(CONFIG_USE_OF) /* Get any additional entropy passed in device tree */ - { + if (initial_boot_params) { int node, len; u64 *prop; diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 0d57909..f66e5ce 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -368,6 +368,19 @@ static void __init bootmem_init(void) end = PFN_DOWN(boot_mem_map.map[i].addr + boot_mem_map.map[i].size); +#ifndef CONFIG_HIGHMEM + /* + * Skip highmem here so we get an accurate max_low_pfn if low + * memory stops short of high memory. + * If the region overlaps HIGHMEM_START, end is clipped so + * max_pfn excludes the highmem portion. + */ + if (start >= PFN_DOWN(HIGHMEM_START)) + continue; + if (end > PFN_DOWN(HIGHMEM_START)) + end = PFN_DOWN(HIGHMEM_START); +#endif + if (end > max_low_pfn) max_low_pfn = end; if (start < min_low_pfn) diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 1f5fdee..3905003 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -156,7 +156,7 @@ static void show_backtrace(struct task_struct *task, const struct pt_regs *regs) print_ip_sym(pc); pc = unwind_stack(task, &sp, pc, &ra); } while (pc); - printk("\n"); + pr_cont("\n"); } /* @@ -174,22 +174,24 @@ static void show_stacktrace(struct task_struct *task, printk("Stack :"); i = 0; while ((unsigned long) sp & (PAGE_SIZE - 1)) { - if (i && ((i % (64 / field)) == 0)) - printk("\n "); + if (i && ((i % (64 / field)) == 0)) { + pr_cont("\n"); + printk(" "); + } if (i > 39) { - printk(" ..."); + pr_cont(" ..."); break; } if (__get_user(stackdata, sp++)) { - printk(" (Bad stack address)"); + pr_cont(" (Bad stack address)"); break; } - printk(" %0*lx", field, stackdata); + pr_cont(" %0*lx", field, stackdata); i++; } - printk("\n"); + pr_cont("\n"); show_backtrace(task, regs); } @@ -229,18 +231,19 @@ static void show_code(unsigned int __user *pc) long i; unsigned short __user *pc16 = NULL; - printk("\nCode:"); + printk("Code:"); if ((unsigned long)pc & 1) pc16 = (unsigned short __user *)((unsigned long)pc & ~1); for(i = -3 ; i < 6 ; i++) { unsigned int insn; if (pc16 ? __get_user(insn, pc16 + i) : __get_user(insn, pc + i)) { - printk(" (Bad address in epc)\n"); + pr_cont(" (Bad address in epc)\n"); break; } - printk("%c%0*x%c", (i?' ':'<'), pc16 ? 4 : 8, insn, (i?' ':'>')); + pr_cont("%c%0*x%c", (i?' ':'<'), pc16 ? 4 : 8, insn, (i?' ':'>')); } + pr_cont("\n"); } static void __show_regs(const struct pt_regs *regs) @@ -259,15 +262,15 @@ static void __show_regs(const struct pt_regs *regs) if ((i % 4) == 0) printk("$%2d :", i); if (i == 0) - printk(" %0*lx", field, 0UL); + pr_cont(" %0*lx", field, 0UL); else if (i == 26 || i == 27) - printk(" %*s", field, ""); + pr_cont(" %*s", field, ""); else - printk(" %0*lx", field, regs->regs[i]); + pr_cont(" %0*lx", field, regs->regs[i]); i++; if ((i % 4) == 0) - printk("\n"); + pr_cont("\n"); } #ifdef CONFIG_CPU_HAS_SMARTMIPS @@ -288,46 +291,46 @@ static void __show_regs(const struct pt_regs *regs) if (cpu_has_3kex) { if (regs->cp0_status & ST0_KUO) - printk("KUo "); + pr_cont("KUo "); if (regs->cp0_status & ST0_IEO) - printk("IEo "); + pr_cont("IEo "); if (regs->cp0_status & ST0_KUP) - printk("KUp "); + pr_cont("KUp "); if (regs->cp0_status & ST0_IEP) - printk("IEp "); + pr_cont("IEp "); if (regs->cp0_status & ST0_KUC) - printk("KUc "); + pr_cont("KUc "); if (regs->cp0_status & ST0_IEC) - printk("IEc "); + pr_cont("IEc "); } else if (cpu_has_4kex) { if (regs->cp0_status & ST0_KX) - printk("KX "); + pr_cont("KX "); if (regs->cp0_status & ST0_SX) - printk("SX "); + pr_cont("SX "); if (regs->cp0_status & ST0_UX) - printk("UX "); + pr_cont("UX "); switch (regs->cp0_status & ST0_KSU) { case KSU_USER: - printk("USER "); + pr_cont("USER "); break; case KSU_SUPERVISOR: - printk("SUPERVISOR "); + pr_cont("SUPERVISOR "); break; case KSU_KERNEL: - printk("KERNEL "); + pr_cont("KERNEL "); break; default: - printk("BAD_MODE "); + pr_cont("BAD_MODE "); break; } if (regs->cp0_status & ST0_ERL) - printk("ERL "); + pr_cont("ERL "); if (regs->cp0_status & ST0_EXL) - printk("EXL "); + pr_cont("EXL "); if (regs->cp0_status & ST0_IE) - printk("IE "); + pr_cont("IE "); } - printk("\n"); + pr_cont("\n"); exccode = (cause & CAUSEF_EXCCODE) >> CAUSEB_EXCCODE; printk("Cause : %08x (ExcCode %02x)\n", cause, exccode); @@ -705,6 +708,32 @@ asmlinkage void do_ov(struct pt_regs *regs) exception_exit(prev_state); } +/* + * Send SIGFPE according to FCSR Cause bits, which must have already + * been masked against Enable bits. This is impotant as Inexact can + * happen together with Overflow or Underflow, and `ptrace' can set + * any bits. + */ +void force_fcr31_sig(unsigned long fcr31, void __user *fault_addr, + struct task_struct *tsk) +{ + struct siginfo si = { .si_addr = fault_addr, .si_signo = SIGFPE }; + + if (fcr31 & FPU_CSR_INV_X) + si.si_code = FPE_FLTINV; + else if (fcr31 & FPU_CSR_DIV_X) + si.si_code = FPE_FLTDIV; + else if (fcr31 & FPU_CSR_OVF_X) + si.si_code = FPE_FLTOVF; + else if (fcr31 & FPU_CSR_UDF_X) + si.si_code = FPE_FLTUND; + else if (fcr31 & FPU_CSR_INE_X) + si.si_code = FPE_FLTRES; + else + si.si_code = __SI_FAULT; + force_sig_info(SIGFPE, &si, tsk); +} + int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcr31) { struct siginfo si = { 0 }; @@ -715,27 +744,7 @@ int process_fpemu_return(int sig, void __user *fault_addr, unsigned long fcr31) return 0; case SIGFPE: - si.si_addr = fault_addr; - si.si_signo = sig; - /* - * Inexact can happen together with Overflow or Underflow. - * Respect the mask to deliver the correct exception. - */ - fcr31 &= (fcr31 & FPU_CSR_ALL_E) << - (ffs(FPU_CSR_ALL_X) - ffs(FPU_CSR_ALL_E)); - if (fcr31 & FPU_CSR_INV_X) - si.si_code = FPE_FLTINV; - else if (fcr31 & FPU_CSR_DIV_X) - si.si_code = FPE_FLTDIV; - else if (fcr31 & FPU_CSR_OVF_X) - si.si_code = FPE_FLTOVF; - else if (fcr31 & FPU_CSR_UDF_X) - si.si_code = FPE_FLTUND; - else if (fcr31 & FPU_CSR_INE_X) - si.si_code = FPE_FLTRES; - else - si.si_code = __SI_FAULT; - force_sig_info(sig, &si, current); + force_fcr31_sig(fcr31, fault_addr, current); return 1; case SIGBUS: @@ -799,13 +808,13 @@ static int simulate_fp(struct pt_regs *regs, unsigned int opcode, /* Run the emulator */ sig = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 1, &fault_addr); - fcr31 = current->thread.fpu.fcr31; /* - * We can't allow the emulated instruction to leave any of - * the cause bits set in $fcr31. + * We can't allow the emulated instruction to leave any + * enabled Cause bits set in $fcr31. */ - current->thread.fpu.fcr31 &= ~FPU_CSR_ALL_X; + fcr31 = mask_fcr31_x(current->thread.fpu.fcr31); + current->thread.fpu.fcr31 &= ~fcr31; /* Restore the hardware register state */ own_fpu(1); @@ -831,7 +840,7 @@ asmlinkage void do_fpe(struct pt_regs *regs, unsigned long fcr31) goto out; /* Clear FCSR.Cause before enabling interrupts */ - write_32bit_cp1_register(CP1_STATUS, fcr31 & ~FPU_CSR_ALL_X); + write_32bit_cp1_register(CP1_STATUS, fcr31 & ~mask_fcr31_x(fcr31)); local_irq_enable(); die_if_kernel("FP exception in kernel code", regs); @@ -853,13 +862,13 @@ asmlinkage void do_fpe(struct pt_regs *regs, unsigned long fcr31) /* Run the emulator */ sig = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 1, &fault_addr); - fcr31 = current->thread.fpu.fcr31; /* - * We can't allow the emulated instruction to leave any of - * the cause bits set in $fcr31. + * We can't allow the emulated instruction to leave any + * enabled Cause bits set in $fcr31. */ - current->thread.fpu.fcr31 &= ~FPU_CSR_ALL_X; + fcr31 = mask_fcr31_x(current->thread.fpu.fcr31); + current->thread.fpu.fcr31 &= ~fcr31; /* Restore the hardware register state */ own_fpu(1); /* Using the FPU again. */ @@ -1424,13 +1433,13 @@ asmlinkage void do_cpu(struct pt_regs *regs) sig = fpu_emulator_cop1Handler(regs, ¤t->thread.fpu, 0, &fault_addr); - fcr31 = current->thread.fpu.fcr31; /* * We can't allow the emulated instruction to leave - * any of the cause bits set in $fcr31. + * any enabled Cause bits set in $fcr31. */ - current->thread.fpu.fcr31 &= ~FPU_CSR_ALL_X; + fcr31 = mask_fcr31_x(current->thread.fpu.fcr31); + current->thread.fpu.fcr31 &= ~fcr31; /* Send a signal if required. */ if (!process_fpemu_return(sig, fault_addr, fcr31) && !err) diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c index 8770f32..aa09374 100644 --- a/arch/mips/kvm/emulate.c +++ b/arch/mips/kvm/emulate.c @@ -790,15 +790,15 @@ enum emulation_result kvm_mips_emul_eret(struct kvm_vcpu *vcpu) struct mips_coproc *cop0 = vcpu->arch.cop0; enum emulation_result er = EMULATE_DONE; - if (kvm_read_c0_guest_status(cop0) & ST0_EXL) { + if (kvm_read_c0_guest_status(cop0) & ST0_ERL) { + kvm_clear_c0_guest_status(cop0, ST0_ERL); + vcpu->arch.pc = kvm_read_c0_guest_errorepc(cop0); + } else if (kvm_read_c0_guest_status(cop0) & ST0_EXL) { kvm_debug("[%#lx] ERET to %#lx\n", vcpu->arch.pc, kvm_read_c0_guest_epc(cop0)); kvm_clear_c0_guest_status(cop0, ST0_EXL); vcpu->arch.pc = kvm_read_c0_guest_epc(cop0); - } else if (kvm_read_c0_guest_status(cop0) & ST0_ERL) { - kvm_clear_c0_guest_status(cop0, ST0_ERL); - vcpu->arch.pc = kvm_read_c0_guest_errorepc(cop0); } else { kvm_err("[%#lx] ERET when MIPS_SR_EXL|MIPS_SR_ERL == 0\n", vcpu->arch.pc); @@ -1528,13 +1528,25 @@ enum emulation_result kvm_mips_emulate_load(union mips_instruction inst, struct kvm_vcpu *vcpu) { enum emulation_result er = EMULATE_DO_MMIO; + unsigned long curr_pc; u32 op, rt; u32 bytes; rt = inst.i_format.rt; op = inst.i_format.opcode; - vcpu->arch.pending_load_cause = cause; + /* + * Find the resume PC now while we have safe and easy access to the + * prior branch instruction, and save it for + * kvm_mips_complete_mmio_load() to restore later. + */ + curr_pc = vcpu->arch.pc; + er = update_pc(vcpu, cause); + if (er == EMULATE_FAIL) + return er; + vcpu->arch.io_pc = vcpu->arch.pc; + vcpu->arch.pc = curr_pc; + vcpu->arch.io_gpr = rt; switch (op) { @@ -2494,9 +2506,8 @@ enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu, goto done; } - er = update_pc(vcpu, vcpu->arch.pending_load_cause); - if (er == EMULATE_FAIL) - return er; + /* Restore saved resume PC */ + vcpu->arch.pc = vcpu->arch.io_pc; switch (run->mmio.len) { case 4: @@ -2518,11 +2529,6 @@ enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu, break; } - if (vcpu->arch.pending_load_cause & CAUSEF_BD) - kvm_debug("[%#lx] Completing %d byte BD Load to gpr %d (0x%08lx) type %d\n", - vcpu->arch.pc, run->mmio.len, vcpu->arch.io_gpr, *gpr, - vcpu->mmio_needed); - done: return er; } diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 622037d..06a60b1 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -426,7 +426,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, static void kvm_mips_check_asids(struct kvm_vcpu *vcpu) { struct mips_coproc *cop0 = vcpu->arch.cop0; - int cpu = smp_processor_id(); + int i, cpu = smp_processor_id(); unsigned int gasid; /* @@ -442,6 +442,9 @@ static void kvm_mips_check_asids(struct kvm_vcpu *vcpu) vcpu); vcpu->arch.guest_user_asid[cpu] = vcpu->arch.guest_user_mm.context.asid[cpu]; + for_each_possible_cpu(i) + if (i != cpu) + vcpu->arch.guest_user_asid[cpu] = 0; vcpu->arch.last_user_gasid = gasid; } } diff --git a/arch/mips/kvm/mmu.c b/arch/mips/kvm/mmu.c index 03883ba..3b677c8 100644 --- a/arch/mips/kvm/mmu.c +++ b/arch/mips/kvm/mmu.c @@ -260,13 +260,9 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) if ((vcpu->arch.guest_user_asid[cpu] ^ asid_cache(cpu)) & asid_version_mask(cpu)) { - u32 gasid = kvm_read_c0_guest_entryhi(vcpu->arch.cop0) & - KVM_ENTRYHI_ASID; - kvm_get_new_mmu_context(&vcpu->arch.guest_user_mm, cpu, vcpu); vcpu->arch.guest_user_asid[cpu] = vcpu->arch.guest_user_mm.context.asid[cpu]; - vcpu->arch.last_user_gasid = gasid; newasid++; kvm_debug("[%d]: cpu_context: %#lx\n", cpu, diff --git a/arch/mips/lib/dump_tlb.c b/arch/mips/lib/dump_tlb.c index 0f80b93..6eb50a7 100644 --- a/arch/mips/lib/dump_tlb.c +++ b/arch/mips/lib/dump_tlb.c @@ -135,42 +135,42 @@ static void dump_tlb(int first, int last) c0 = (entrylo0 & ENTRYLO_C) >> ENTRYLO_C_SHIFT; c1 = (entrylo1 & ENTRYLO_C) >> ENTRYLO_C_SHIFT; - printk("va=%0*lx asid=%0*lx", - vwidth, (entryhi & ~0x1fffUL), - asidwidth, entryhi & asidmask); + pr_cont("va=%0*lx asid=%0*lx", + vwidth, (entryhi & ~0x1fffUL), + asidwidth, entryhi & asidmask); if (cpu_has_guestid) - printk(" gid=%02lx", - (guestctl1 & MIPS_GCTL1_RID) + pr_cont(" gid=%02lx", + (guestctl1 & MIPS_GCTL1_RID) >> MIPS_GCTL1_RID_SHIFT); /* RI/XI are in awkward places, so mask them off separately */ pa = entrylo0 & ~(MIPS_ENTRYLO_RI | MIPS_ENTRYLO_XI); if (xpa) pa |= (unsigned long long)readx_c0_entrylo0() << 30; pa = (pa << 6) & PAGE_MASK; - printk("\n\t["); + pr_cont("\n\t["); if (cpu_has_rixi) - printk("ri=%d xi=%d ", - (entrylo0 & MIPS_ENTRYLO_RI) ? 1 : 0, - (entrylo0 & MIPS_ENTRYLO_XI) ? 1 : 0); - printk("pa=%0*llx c=%d d=%d v=%d g=%d] [", - pwidth, pa, c0, - (entrylo0 & ENTRYLO_D) ? 1 : 0, - (entrylo0 & ENTRYLO_V) ? 1 : 0, - (entrylo0 & ENTRYLO_G) ? 1 : 0); + pr_cont("ri=%d xi=%d ", + (entrylo0 & MIPS_ENTRYLO_RI) ? 1 : 0, + (entrylo0 & MIPS_ENTRYLO_XI) ? 1 : 0); + pr_cont("pa=%0*llx c=%d d=%d v=%d g=%d] [", + pwidth, pa, c0, + (entrylo0 & ENTRYLO_D) ? 1 : 0, + (entrylo0 & ENTRYLO_V) ? 1 : 0, + (entrylo0 & ENTRYLO_G) ? 1 : 0); /* RI/XI are in awkward places, so mask them off separately */ pa = entrylo1 & ~(MIPS_ENTRYLO_RI | MIPS_ENTRYLO_XI); if (xpa) pa |= (unsigned long long)readx_c0_entrylo1() << 30; pa = (pa << 6) & PAGE_MASK; if (cpu_has_rixi) - printk("ri=%d xi=%d ", - (entrylo1 & MIPS_ENTRYLO_RI) ? 1 : 0, - (entrylo1 & MIPS_ENTRYLO_XI) ? 1 : 0); - printk("pa=%0*llx c=%d d=%d v=%d g=%d]\n", - pwidth, pa, c1, - (entrylo1 & ENTRYLO_D) ? 1 : 0, - (entrylo1 & ENTRYLO_V) ? 1 : 0, - (entrylo1 & ENTRYLO_G) ? 1 : 0); + pr_cont("ri=%d xi=%d ", + (entrylo1 & MIPS_ENTRYLO_RI) ? 1 : 0, + (entrylo1 & MIPS_ENTRYLO_XI) ? 1 : 0); + pr_cont("pa=%0*llx c=%d d=%d v=%d g=%d]\n", + pwidth, pa, c1, + (entrylo1 & ENTRYLO_D) ? 1 : 0, + (entrylo1 & ENTRYLO_V) ? 1 : 0, + (entrylo1 & ENTRYLO_G) ? 1 : 0); } printk("\n"); diff --git a/arch/mips/lib/r3k_dump_tlb.c b/arch/mips/lib/r3k_dump_tlb.c index 744f4a7..85b4086 100644 --- a/arch/mips/lib/r3k_dump_tlb.c +++ b/arch/mips/lib/r3k_dump_tlb.c @@ -53,15 +53,15 @@ static void dump_tlb(int first, int last) */ printk("Index: %2d ", i); - printk("va=%08lx asid=%08lx" - " [pa=%06lx n=%d d=%d v=%d g=%d]", - entryhi & PAGE_MASK, - entryhi & asid_mask, - entrylo0 & PAGE_MASK, - (entrylo0 & R3K_ENTRYLO_N) ? 1 : 0, - (entrylo0 & R3K_ENTRYLO_D) ? 1 : 0, - (entrylo0 & R3K_ENTRYLO_V) ? 1 : 0, - (entrylo0 & R3K_ENTRYLO_G) ? 1 : 0); + pr_cont("va=%08lx asid=%08lx" + " [pa=%06lx n=%d d=%d v=%d g=%d]", + entryhi & PAGE_MASK, + entryhi & asid_mask, + entrylo0 & PAGE_MASK, + (entrylo0 & R3K_ENTRYLO_N) ? 1 : 0, + (entrylo0 & R3K_ENTRYLO_D) ? 1 : 0, + (entrylo0 & R3K_ENTRYLO_V) ? 1 : 0, + (entrylo0 & R3K_ENTRYLO_G) ? 1 : 0); } } printk("\n"); diff --git a/arch/nios2/kernel/time.c b/arch/nios2/kernel/time.c index d9563dd..746bf5c 100644 --- a/arch/nios2/kernel/time.c +++ b/arch/nios2/kernel/time.c @@ -324,6 +324,7 @@ static int __init nios2_time_init(struct device_node *timer) ret = nios2_clocksource_init(timer); break; default: + ret = 0; break; } diff --git a/arch/openrisc/include/asm/cache.h b/arch/openrisc/include/asm/cache.h index 4ce7a01..5f55da9 100644 --- a/arch/openrisc/include/asm/cache.h +++ b/arch/openrisc/include/asm/cache.h @@ -23,6 +23,8 @@ * they shouldn't be hard-coded! */ +#define __ro_after_init __read_mostly + #define L1_CACHE_BYTES 16 #define L1_CACHE_SHIFT 4 diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h index a9b9407..6b0741e 100644 --- a/arch/parisc/include/uapi/asm/unistd.h +++ b/arch/parisc/include/uapi/asm/unistd.h @@ -368,7 +368,9 @@ #define __IGNORE_select /* newselect */ #define __IGNORE_fadvise64 /* fadvise64_64 */ - +#define __IGNORE_pkey_mprotect +#define __IGNORE_pkey_alloc +#define __IGNORE_pkey_free #define LINUX_GATEWAY_ADDR 0x100 diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c index f815066..700e2d2 100644 --- a/arch/parisc/kernel/drivers.c +++ b/arch/parisc/kernel/drivers.c @@ -873,11 +873,11 @@ static void print_parisc_device(struct parisc_device *dev) if (dev->num_addrs) { int k; - printk(", additional addresses: "); + pr_cont(", additional addresses: "); for (k = 0; k < dev->num_addrs; k++) - printk("0x%lx ", dev->addr[k]); + pr_cont("0x%lx ", dev->addr[k]); } - printk("\n"); + pr_cont("\n"); } /** diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index d03422e..23de307 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -100,14 +100,12 @@ set_thread_pointer: .endr /* This address must remain fixed at 0x100 for glibc's syscalls to work */ - .align 256 + .align LINUX_GATEWAY_ADDR linux_gateway_entry: gate .+8, %r0 /* become privileged */ mtsp %r0,%sr4 /* get kernel space into sr4 */ mtsp %r0,%sr5 /* get kernel space into sr5 */ mtsp %r0,%sr6 /* get kernel space into sr6 */ - mfsp %sr7,%r1 /* save user sr7 */ - mtsp %r1,%sr3 /* and store it in sr3 */ #ifdef CONFIG_64BIT /* for now we can *always* set the W bit on entry to the syscall @@ -133,6 +131,14 @@ linux_gateway_entry: depdi 0, 31, 32, %r21 1: #endif + + /* We use a rsm/ssm pair to prevent sr3 from being clobbered + * by external interrupts. + */ + mfsp %sr7,%r1 /* save user sr7 */ + rsm PSW_SM_I, %r0 /* disable interrupts */ + mtsp %r1,%sr3 /* and store it in sr3 */ + mfctl %cr30,%r1 xor %r1,%r30,%r30 /* ye olde xor trick */ xor %r1,%r30,%r1 @@ -147,6 +153,7 @@ linux_gateway_entry: */ mtsp %r0,%sr7 /* get kernel space into sr7 */ + ssm PSW_SM_I, %r0 /* enable interrupts */ STREGM %r1,FRAME_SIZE(%r30) /* save r1 (usp) here for now */ mfctl %cr30,%r1 /* get task ptr in %r1 */ LDREG TI_TASK(%r1),%r1 @@ -474,11 +481,6 @@ lws_start: comiclr,>> __NR_lws_entries, %r20, %r0 b,n lws_exit_nosys - /* WARNING: Trashing sr2 and sr3 */ - mfsp %sr7,%r1 /* get userspace into sr3 */ - mtsp %r1,%sr3 - mtsp %r0,%sr2 /* get kernel space into sr2 */ - /* Load table start */ ldil L%lws_table, %r1 ldo R%lws_table(%r1), %r28 /* Scratch use of r28 */ @@ -627,9 +629,9 @@ cas_action: stw %r1, 4(%sr2,%r20) #endif /* The load and store could fail */ -1: ldw,ma 0(%sr3,%r26), %r28 +1: ldw,ma 0(%r26), %r28 sub,<> %r28, %r25, %r0 -2: stw,ma %r24, 0(%sr3,%r26) +2: stw,ma %r24, 0(%r26) /* Free lock */ stw,ma %r20, 0(%sr2,%r20) #if ENABLE_LWS_DEBUG @@ -706,9 +708,9 @@ lws_compare_and_swap_2: nop /* 8bit load */ -4: ldb 0(%sr3,%r25), %r25 +4: ldb 0(%r25), %r25 b cas2_lock_start -5: ldb 0(%sr3,%r24), %r24 +5: ldb 0(%r24), %r24 nop nop nop @@ -716,9 +718,9 @@ lws_compare_and_swap_2: nop /* 16bit load */ -6: ldh 0(%sr3,%r25), %r25 +6: ldh 0(%r25), %r25 b cas2_lock_start -7: ldh 0(%sr3,%r24), %r24 +7: ldh 0(%r24), %r24 nop nop nop @@ -726,9 +728,9 @@ lws_compare_and_swap_2: nop /* 32bit load */ -8: ldw 0(%sr3,%r25), %r25 +8: ldw 0(%r25), %r25 b cas2_lock_start -9: ldw 0(%sr3,%r24), %r24 +9: ldw 0(%r24), %r24 nop nop nop @@ -737,14 +739,14 @@ lws_compare_and_swap_2: /* 64bit load */ #ifdef CONFIG_64BIT -10: ldd 0(%sr3,%r25), %r25 -11: ldd 0(%sr3,%r24), %r24 +10: ldd 0(%r25), %r25 +11: ldd 0(%r24), %r24 #else /* Load new value into r22/r23 - high/low */ -10: ldw 0(%sr3,%r25), %r22 -11: ldw 4(%sr3,%r25), %r23 +10: ldw 0(%r25), %r22 +11: ldw 4(%r25), %r23 /* Load new value into fr4 for atomic store later */ -12: flddx 0(%sr3,%r24), %fr4 +12: flddx 0(%r24), %fr4 #endif cas2_lock_start: @@ -794,30 +796,30 @@ cas2_action: ldo 1(%r0),%r28 /* 8bit CAS */ -13: ldb,ma 0(%sr3,%r26), %r29 +13: ldb,ma 0(%r26), %r29 sub,= %r29, %r25, %r0 b,n cas2_end -14: stb,ma %r24, 0(%sr3,%r26) +14: stb,ma %r24, 0(%r26) b cas2_end copy %r0, %r28 nop nop /* 16bit CAS */ -15: ldh,ma 0(%sr3,%r26), %r29 +15: ldh,ma 0(%r26), %r29 sub,= %r29, %r25, %r0 b,n cas2_end -16: sth,ma %r24, 0(%sr3,%r26) +16: sth,ma %r24, 0(%r26) b cas2_end copy %r0, %r28 nop nop /* 32bit CAS */ -17: ldw,ma 0(%sr3,%r26), %r29 +17: ldw,ma 0(%r26), %r29 sub,= %r29, %r25, %r0 b,n cas2_end -18: stw,ma %r24, 0(%sr3,%r26) +18: stw,ma %r24, 0(%r26) b cas2_end copy %r0, %r28 nop @@ -825,22 +827,22 @@ cas2_action: /* 64bit CAS */ #ifdef CONFIG_64BIT -19: ldd,ma 0(%sr3,%r26), %r29 +19: ldd,ma 0(%r26), %r29 sub,*= %r29, %r25, %r0 b,n cas2_end -20: std,ma %r24, 0(%sr3,%r26) +20: std,ma %r24, 0(%r26) copy %r0, %r28 #else /* Compare first word */ -19: ldw,ma 0(%sr3,%r26), %r29 +19: ldw,ma 0(%r26), %r29 sub,= %r29, %r22, %r0 b,n cas2_end /* Compare second word */ -20: ldw,ma 4(%sr3,%r26), %r29 +20: ldw,ma 4(%r26), %r29 sub,= %r29, %r23, %r0 b,n cas2_end /* Perform the store */ -21: fstdx %fr4, 0(%sr3,%r26) +21: fstdx %fr4, 0(%r26) copy %r0, %r28 #endif diff --git a/arch/s390/hypfs/hypfs_diag.c b/arch/s390/hypfs/hypfs_diag.c index 28f03ca..794bebb 100644 --- a/arch/s390/hypfs/hypfs_diag.c +++ b/arch/s390/hypfs/hypfs_diag.c @@ -363,11 +363,11 @@ out: static int diag224_get_name_table(void) { /* memory must be below 2GB */ - diag224_cpu_names = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); + diag224_cpu_names = (char *) __get_free_page(GFP_KERNEL | GFP_DMA); if (!diag224_cpu_names) return -ENOMEM; if (diag224(diag224_cpu_names)) { - kfree(diag224_cpu_names); + free_page((unsigned long) diag224_cpu_names); return -EOPNOTSUPP; } EBCASC(diag224_cpu_names + 16, (*diag224_cpu_names + 1) * 16); @@ -376,7 +376,7 @@ static int diag224_get_name_table(void) static void diag224_delete_name_table(void) { - kfree(diag224_cpu_names); + free_page((unsigned long) diag224_cpu_names); } static int diag224_idx2name(int index, char *name) diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 000e6e91..3667d20 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -62,9 +62,11 @@ SECTIONS . = ALIGN(PAGE_SIZE); __start_ro_after_init = .; + __start_data_ro_after_init = .; .data..ro_after_init : { *(.data..ro_after_init) } + __end_data_ro_after_init = .; EXCEPTION_TABLE(16) . = ALIGN(PAGE_SIZE); __end_ro_after_init = .; diff --git a/arch/s390/kvm/sthyi.c b/arch/s390/kvm/sthyi.c index bd98b7d..05c98bb 100644 --- a/arch/s390/kvm/sthyi.c +++ b/arch/s390/kvm/sthyi.c @@ -315,7 +315,7 @@ static void fill_diag(struct sthyi_sctns *sctns) if (r < 0) goto out; - diag224_buf = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); + diag224_buf = (void *)__get_free_page(GFP_KERNEL | GFP_DMA); if (!diag224_buf || diag224(diag224_buf)) goto out; @@ -378,7 +378,7 @@ static void fill_diag(struct sthyi_sctns *sctns) sctns->par.infpval1 |= PAR_WGHT_VLD; out: - kfree(diag224_buf); + free_page((unsigned long)diag224_buf); vfree(diag204_buf); } diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c index 7350c8b..6b2f72f 100644 --- a/arch/s390/pci/pci_dma.c +++ b/arch/s390/pci/pci_dma.c @@ -423,7 +423,7 @@ static int __s390_dma_map_sg(struct device *dev, struct scatterlist *sg, dma_addr_t dma_addr_base, dma_addr; int flags = ZPCI_PTE_VALID; struct scatterlist *s; - unsigned long pa; + unsigned long pa = 0; int ret; size = PAGE_ALIGN(size); diff --git a/arch/sparc/include/asm/cpudata_64.h b/arch/sparc/include/asm/cpudata_64.h index a6cfdab..5b0ed48 100644 --- a/arch/sparc/include/asm/cpudata_64.h +++ b/arch/sparc/include/asm/cpudata_64.h @@ -24,9 +24,10 @@ typedef struct { unsigned int icache_line_size; unsigned int ecache_size; unsigned int ecache_line_size; - unsigned short sock_id; + unsigned short sock_id; /* physical package */ unsigned short core_id; - int proc_id; + unsigned short max_cache_id; /* groupings of highest shared cache */ + unsigned short proc_id; /* strand (aka HW thread) id */ } cpuinfo_sparc; DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data); diff --git a/arch/sparc/include/asm/spinlock_32.h b/arch/sparc/include/asm/spinlock_32.h index d9c5876..8011e79 100644 --- a/arch/sparc/include/asm/spinlock_32.h +++ b/arch/sparc/include/asm/spinlock_32.h @@ -134,7 +134,7 @@ static inline void arch_write_lock(arch_rwlock_t *rw) *(volatile __u32 *)&lp->lock = ~0U; } -static void inline arch_write_unlock(arch_rwlock_t *lock) +static inline void arch_write_unlock(arch_rwlock_t *lock) { __asm__ __volatile__( " st %%g0, [%0]" diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h index 87990b7..07c9f2e 100644 --- a/arch/sparc/include/asm/spinlock_64.h +++ b/arch/sparc/include/asm/spinlock_64.h @@ -96,7 +96,7 @@ static inline void arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long fla /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */ -static void inline arch_read_lock(arch_rwlock_t *lock) +static inline void arch_read_lock(arch_rwlock_t *lock) { unsigned long tmp1, tmp2; @@ -119,7 +119,7 @@ static void inline arch_read_lock(arch_rwlock_t *lock) : "memory"); } -static int inline arch_read_trylock(arch_rwlock_t *lock) +static inline int arch_read_trylock(arch_rwlock_t *lock) { int tmp1, tmp2; @@ -140,7 +140,7 @@ static int inline arch_read_trylock(arch_rwlock_t *lock) return tmp1; } -static void inline arch_read_unlock(arch_rwlock_t *lock) +static inline void arch_read_unlock(arch_rwlock_t *lock) { unsigned long tmp1, tmp2; @@ -156,7 +156,7 @@ static void inline arch_read_unlock(arch_rwlock_t *lock) : "memory"); } -static void inline arch_write_lock(arch_rwlock_t *lock) +static inline void arch_write_lock(arch_rwlock_t *lock) { unsigned long mask, tmp1, tmp2; @@ -181,7 +181,7 @@ static void inline arch_write_lock(arch_rwlock_t *lock) : "memory"); } -static void inline arch_write_unlock(arch_rwlock_t *lock) +static inline void arch_write_unlock(arch_rwlock_t *lock) { __asm__ __volatile__( " stw %%g0, [%0]" @@ -190,7 +190,7 @@ static void inline arch_write_unlock(arch_rwlock_t *lock) : "memory"); } -static int inline arch_write_trylock(arch_rwlock_t *lock) +static inline int arch_write_trylock(arch_rwlock_t *lock) { unsigned long mask, tmp1, tmp2, result; diff --git a/arch/sparc/include/asm/topology_64.h b/arch/sparc/include/asm/topology_64.h index bec481a..7b4898a 100644 --- a/arch/sparc/include/asm/topology_64.h +++ b/arch/sparc/include/asm/topology_64.h @@ -44,14 +44,20 @@ int __node_distance(int, int); #define topology_physical_package_id(cpu) (cpu_data(cpu).proc_id) #define topology_core_id(cpu) (cpu_data(cpu).core_id) #define topology_core_cpumask(cpu) (&cpu_core_sib_map[cpu]) +#define topology_core_cache_cpumask(cpu) (&cpu_core_sib_cache_map[cpu]) #define topology_sibling_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu)) #endif /* CONFIG_SMP */ extern cpumask_t cpu_core_map[NR_CPUS]; extern cpumask_t cpu_core_sib_map[NR_CPUS]; +extern cpumask_t cpu_core_sib_cache_map[NR_CPUS]; + +/** + * Return cores that shares the last level cache. + */ static inline const struct cpumask *cpu_coregroup_mask(int cpu) { - return &cpu_core_map[cpu]; + return &cpu_core_sib_cache_map[cpu]; } #endif /* _ASM_SPARC64_TOPOLOGY_H */ diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index b68acc5..5373136 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -82,7 +82,6 @@ static inline int access_ok(int type, const void __user * addr, unsigned long si return 1; } -void __ret_efault(void); void __retl_efault(void); /* Uh, these should become the main single-value transfer routines.. @@ -189,55 +188,34 @@ int __get_user_bad(void); unsigned long __must_check ___copy_from_user(void *to, const void __user *from, unsigned long size); -unsigned long copy_from_user_fixup(void *to, const void __user *from, - unsigned long size); static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long size) { - unsigned long ret; - check_object_size(to, size, false); - ret = ___copy_from_user(to, from, size); - if (unlikely(ret)) - ret = copy_from_user_fixup(to, from, size); - - return ret; + return ___copy_from_user(to, from, size); } #define __copy_from_user copy_from_user unsigned long __must_check ___copy_to_user(void __user *to, const void *from, unsigned long size); -unsigned long copy_to_user_fixup(void __user *to, const void *from, - unsigned long size); static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long size) { - unsigned long ret; - check_object_size(from, size, true); - ret = ___copy_to_user(to, from, size); - if (unlikely(ret)) - ret = copy_to_user_fixup(to, from, size); - return ret; + return ___copy_to_user(to, from, size); } #define __copy_to_user copy_to_user unsigned long __must_check ___copy_in_user(void __user *to, const void __user *from, unsigned long size); -unsigned long copy_in_user_fixup(void __user *to, void __user *from, - unsigned long size); static inline unsigned long __must_check copy_in_user(void __user *to, void __user *from, unsigned long size) { - unsigned long ret = ___copy_in_user(to, from, size); - - if (unlikely(ret)) - ret = copy_in_user_fixup(to, from, size); - return ret; + return ___copy_in_user(to, from, size); } #define __copy_in_user copy_in_user diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index beba6c1..6aa3da1 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -926,48 +926,11 @@ tlb_type: .word 0 /* Must NOT end up in BSS */ EXPORT_SYMBOL(tlb_type) .section ".fixup",#alloc,#execinstr - .globl __ret_efault, __retl_efault, __ret_one, __retl_one -ENTRY(__ret_efault) - ret - restore %g0, -EFAULT, %o0 -ENDPROC(__ret_efault) -EXPORT_SYMBOL(__ret_efault) - ENTRY(__retl_efault) retl mov -EFAULT, %o0 ENDPROC(__retl_efault) -ENTRY(__retl_one) - retl - mov 1, %o0 -ENDPROC(__retl_one) - -ENTRY(__retl_one_fp) - VISExitHalf - retl - mov 1, %o0 -ENDPROC(__retl_one_fp) - -ENTRY(__ret_one_asi) - wr %g0, ASI_AIUS, %asi - ret - restore %g0, 1, %o0 -ENDPROC(__ret_one_asi) - -ENTRY(__retl_one_asi) - wr %g0, ASI_AIUS, %asi - retl - mov 1, %o0 -ENDPROC(__retl_one_asi) - -ENTRY(__retl_one_asi_fp) - wr %g0, ASI_AIUS, %asi - VISExitHalf - retl - mov 1, %o0 -ENDPROC(__retl_one_asi_fp) - ENTRY(__retl_o1) retl mov %o1, %o0 diff --git a/arch/sparc/kernel/jump_label.c b/arch/sparc/kernel/jump_label.c index 59bbeff..07933b9 100644 --- a/arch/sparc/kernel/jump_label.c +++ b/arch/sparc/kernel/jump_label.c @@ -13,19 +13,30 @@ void arch_jump_label_transform(struct jump_entry *entry, enum jump_label_type type) { - u32 val; u32 *insn = (u32 *) (unsigned long) entry->code; + u32 val; if (type == JUMP_LABEL_JMP) { s32 off = (s32)entry->target - (s32)entry->code; + bool use_v9_branch = false; + + BUG_ON(off & 3); #ifdef CONFIG_SPARC64 - /* ba,pt %xcc, . + (off << 2) */ - val = 0x10680000 | ((u32) off >> 2); -#else - /* ba . + (off << 2) */ - val = 0x10800000 | ((u32) off >> 2); + if (off <= 0xfffff && off >= -0x100000) + use_v9_branch = true; #endif + if (use_v9_branch) { + /* WDISP19 - target is . + immed << 2 */ + /* ba,pt %xcc, . + off */ + val = 0x10680000 | (((u32) off >> 2) & 0x7ffff); + } else { + /* WDISP22 - target is . + immed << 2 */ + BUG_ON(off > 0x7fffff); + BUG_ON(off < -0x800000); + /* ba . + off */ + val = 0x10800000 | (((u32) off >> 2) & 0x3fffff); + } } else { val = 0x01000000; } diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c index 1122886..8a6982d 100644 --- a/arch/sparc/kernel/mdesc.c +++ b/arch/sparc/kernel/mdesc.c @@ -645,13 +645,20 @@ static void __mark_core_id(struct mdesc_handle *hp, u64 node, cpu_data(*id).core_id = core_id; } -static void __mark_sock_id(struct mdesc_handle *hp, u64 node, - int sock_id) +static void __mark_max_cache_id(struct mdesc_handle *hp, u64 node, + int max_cache_id) { const u64 *id = mdesc_get_property(hp, node, "id", NULL); - if (*id < num_possible_cpus()) - cpu_data(*id).sock_id = sock_id; + if (*id < num_possible_cpus()) { + cpu_data(*id).max_cache_id = max_cache_id; + + /** + * On systems without explicit socket descriptions socket + * is max_cache_id + */ + cpu_data(*id).sock_id = max_cache_id; + } } static void mark_core_ids(struct mdesc_handle *hp, u64 mp, @@ -660,10 +667,11 @@ static void mark_core_ids(struct mdesc_handle *hp, u64 mp, find_back_node_value(hp, mp, "cpu", __mark_core_id, core_id, 10); } -static void mark_sock_ids(struct mdesc_handle *hp, u64 mp, - int sock_id) +static void mark_max_cache_ids(struct mdesc_handle *hp, u64 mp, + int max_cache_id) { - find_back_node_value(hp, mp, "cpu", __mark_sock_id, sock_id, 10); + find_back_node_value(hp, mp, "cpu", __mark_max_cache_id, + max_cache_id, 10); } static void set_core_ids(struct mdesc_handle *hp) @@ -694,14 +702,15 @@ static void set_core_ids(struct mdesc_handle *hp) } } -static int set_sock_ids_by_cache(struct mdesc_handle *hp, int level) +static int set_max_cache_ids_by_cache(struct mdesc_handle *hp, int level) { u64 mp; int idx = 1; int fnd = 0; - /* Identify unique sockets by looking for cpus backpointed to by - * shared level n caches. + /** + * Identify unique highest level of shared cache by looking for cpus + * backpointed to by shared level N caches. */ mdesc_for_each_node_by_name(hp, mp, "cache") { const u64 *cur_lvl; @@ -709,8 +718,7 @@ static int set_sock_ids_by_cache(struct mdesc_handle *hp, int level) cur_lvl = mdesc_get_property(hp, mp, "level", NULL); if (*cur_lvl != level) continue; - - mark_sock_ids(hp, mp, idx); + mark_max_cache_ids(hp, mp, idx); idx++; fnd = 1; } @@ -745,15 +753,17 @@ static void set_sock_ids(struct mdesc_handle *hp) { u64 mp; - /* If machine description exposes sockets data use it. - * Otherwise fallback to use shared L3 or L2 caches. + /** + * Find the highest level of shared cache which pre-T7 is also + * the socket. */ + if (!set_max_cache_ids_by_cache(hp, 3)) + set_max_cache_ids_by_cache(hp, 2); + + /* If machine description exposes sockets data use it.*/ mp = mdesc_node_by_name(hp, MDESC_NODE_NULL, "sockets"); if (mp != MDESC_NODE_NULL) - return set_sock_ids_by_socket(hp, mp); - - if (!set_sock_ids_by_cache(hp, 3)) - set_sock_ids_by_cache(hp, 2); + set_sock_ids_by_socket(hp, mp); } static void mark_proc_ids(struct mdesc_handle *hp, u64 mp, int proc_id) diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index d3035ba..8182f7c 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -63,9 +63,13 @@ cpumask_t cpu_core_map[NR_CPUS] __read_mostly = cpumask_t cpu_core_sib_map[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = CPU_MASK_NONE }; +cpumask_t cpu_core_sib_cache_map[NR_CPUS] __read_mostly = { + [0 ... NR_CPUS - 1] = CPU_MASK_NONE }; + EXPORT_PER_CPU_SYMBOL(cpu_sibling_map); EXPORT_SYMBOL(cpu_core_map); EXPORT_SYMBOL(cpu_core_sib_map); +EXPORT_SYMBOL(cpu_core_sib_cache_map); static cpumask_t smp_commenced_mask; @@ -1265,6 +1269,10 @@ void smp_fill_in_sib_core_maps(void) unsigned int j; for_each_present_cpu(j) { + if (cpu_data(i).max_cache_id == + cpu_data(j).max_cache_id) + cpumask_set_cpu(j, &cpu_core_sib_cache_map[i]); + if (cpu_data(i).sock_id == cpu_data(j).sock_id) cpumask_set_cpu(j, &cpu_core_sib_map[i]); } diff --git a/arch/sparc/lib/GENcopy_from_user.S b/arch/sparc/lib/GENcopy_from_user.S index b7d0bd6..69a439f 100644 --- a/arch/sparc/lib/GENcopy_from_user.S +++ b/arch/sparc/lib/GENcopy_from_user.S @@ -3,11 +3,11 @@ * Copyright (C) 2007 David S. Miller (davem@davemloft.net) */ -#define EX_LD(x) \ +#define EX_LD(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one; \ + .word 98b, y; \ .text; \ .align 4; diff --git a/arch/sparc/lib/GENcopy_to_user.S b/arch/sparc/lib/GENcopy_to_user.S index 780550e..9947427 100644 --- a/arch/sparc/lib/GENcopy_to_user.S +++ b/arch/sparc/lib/GENcopy_to_user.S @@ -3,11 +3,11 @@ * Copyright (C) 2007 David S. Miller (davem@davemloft.net) */ -#define EX_ST(x) \ +#define EX_ST(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one; \ + .word 98b, y; \ .text; \ .align 4; diff --git a/arch/sparc/lib/GENmemcpy.S b/arch/sparc/lib/GENmemcpy.S index 89358ee..059ea24 100644 --- a/arch/sparc/lib/GENmemcpy.S +++ b/arch/sparc/lib/GENmemcpy.S @@ -4,21 +4,18 @@ */ #ifdef __KERNEL__ +#include <linux/linkage.h> #define GLOBAL_SPARE %g7 #else #define GLOBAL_SPARE %g5 #endif #ifndef EX_LD -#define EX_LD(x) x +#define EX_LD(x,y) x #endif #ifndef EX_ST -#define EX_ST(x) x -#endif - -#ifndef EX_RETVAL -#define EX_RETVAL(x) x +#define EX_ST(x,y) x #endif #ifndef LOAD @@ -45,6 +42,29 @@ .register %g3,#scratch .text + +#ifndef EX_RETVAL +#define EX_RETVAL(x) x +ENTRY(GEN_retl_o4_1) + add %o4, %o2, %o4 + retl + add %o4, 1, %o0 +ENDPROC(GEN_retl_o4_1) +ENTRY(GEN_retl_g1_8) + add %g1, %o2, %g1 + retl + add %g1, 8, %o0 +ENDPROC(GEN_retl_g1_8) +ENTRY(GEN_retl_o2_4) + retl + add %o2, 4, %o0 +ENDPROC(GEN_retl_o2_4) +ENTRY(GEN_retl_o2_1) + retl + add %o2, 1, %o0 +ENDPROC(GEN_retl_o2_1) +#endif + .align 64 .globl FUNC_NAME @@ -73,8 +93,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ sub %g0, %o4, %o4 sub %o2, %o4, %o2 1: subcc %o4, 1, %o4 - EX_LD(LOAD(ldub, %o1, %g1)) - EX_ST(STORE(stb, %g1, %o0)) + EX_LD(LOAD(ldub, %o1, %g1),GEN_retl_o4_1) + EX_ST(STORE(stb, %g1, %o0),GEN_retl_o4_1) add %o1, 1, %o1 bne,pt %XCC, 1b add %o0, 1, %o0 @@ -82,8 +102,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ andn %o2, 0x7, %g1 sub %o2, %g1, %o2 1: subcc %g1, 0x8, %g1 - EX_LD(LOAD(ldx, %o1, %g2)) - EX_ST(STORE(stx, %g2, %o0)) + EX_LD(LOAD(ldx, %o1, %g2),GEN_retl_g1_8) + EX_ST(STORE(stx, %g2, %o0),GEN_retl_g1_8) add %o1, 0x8, %o1 bne,pt %XCC, 1b add %o0, 0x8, %o0 @@ -100,8 +120,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 1: subcc %o2, 4, %o2 - EX_LD(LOAD(lduw, %o1, %g1)) - EX_ST(STORE(stw, %g1, %o1 + %o3)) + EX_LD(LOAD(lduw, %o1, %g1),GEN_retl_o2_4) + EX_ST(STORE(stw, %g1, %o1 + %o3),GEN_retl_o2_4) bgu,pt %XCC, 1b add %o1, 4, %o1 @@ -111,8 +131,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ .align 32 90: subcc %o2, 1, %o2 - EX_LD(LOAD(ldub, %o1, %g1)) - EX_ST(STORE(stb, %g1, %o1 + %o3)) + EX_LD(LOAD(ldub, %o1, %g1),GEN_retl_o2_1) + EX_ST(STORE(stb, %g1, %o1 + %o3),GEN_retl_o2_1) bgu,pt %XCC, 90b add %o1, 1, %o1 retl diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile index 885f00e..69912d2 100644 --- a/arch/sparc/lib/Makefile +++ b/arch/sparc/lib/Makefile @@ -38,7 +38,7 @@ lib-$(CONFIG_SPARC64) += NG4patch.o NG4copy_page.o NG4clear_page.o NG4memset.o lib-$(CONFIG_SPARC64) += GENmemcpy.o GENcopy_from_user.o GENcopy_to_user.o lib-$(CONFIG_SPARC64) += GENpatch.o GENpage.o GENbzero.o -lib-$(CONFIG_SPARC64) += copy_in_user.o user_fixup.o memmove.o +lib-$(CONFIG_SPARC64) += copy_in_user.o memmove.o lib-$(CONFIG_SPARC64) += mcount.o ipcsum.o xor.o hweight.o ffs.o obj-$(CONFIG_SPARC64) += iomap.o diff --git a/arch/sparc/lib/NG2copy_from_user.S b/arch/sparc/lib/NG2copy_from_user.S index d5242b8..b79a699 100644 --- a/arch/sparc/lib/NG2copy_from_user.S +++ b/arch/sparc/lib/NG2copy_from_user.S @@ -3,19 +3,19 @@ * Copyright (C) 2007 David S. Miller (davem@davemloft.net) */ -#define EX_LD(x) \ +#define EX_LD(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one_asi;\ + .word 98b, y; \ .text; \ .align 4; -#define EX_LD_FP(x) \ +#define EX_LD_FP(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one_asi_fp;\ + .word 98b, y##_fp; \ .text; \ .align 4; diff --git a/arch/sparc/lib/NG2copy_to_user.S b/arch/sparc/lib/NG2copy_to_user.S index 4e962d9..dcec55f 100644 --- a/arch/sparc/lib/NG2copy_to_user.S +++ b/arch/sparc/lib/NG2copy_to_user.S @@ -3,19 +3,19 @@ * Copyright (C) 2007 David S. Miller (davem@davemloft.net) */ -#define EX_ST(x) \ +#define EX_ST(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one_asi;\ + .word 98b, y; \ .text; \ .align 4; -#define EX_ST_FP(x) \ +#define EX_ST_FP(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one_asi_fp;\ + .word 98b, y##_fp; \ .text; \ .align 4; diff --git a/arch/sparc/lib/NG2memcpy.S b/arch/sparc/lib/NG2memcpy.S index d5f585d..c629dbd 100644 --- a/arch/sparc/lib/NG2memcpy.S +++ b/arch/sparc/lib/NG2memcpy.S @@ -4,6 +4,7 @@ */ #ifdef __KERNEL__ +#include <linux/linkage.h> #include <asm/visasm.h> #include <asm/asi.h> #define GLOBAL_SPARE %g7 @@ -32,21 +33,17 @@ #endif #ifndef EX_LD -#define EX_LD(x) x +#define EX_LD(x,y) x #endif #ifndef EX_LD_FP -#define EX_LD_FP(x) x +#define EX_LD_FP(x,y) x #endif #ifndef EX_ST -#define EX_ST(x) x +#define EX_ST(x,y) x #endif #ifndef EX_ST_FP -#define EX_ST_FP(x) x -#endif - -#ifndef EX_RETVAL -#define EX_RETVAL(x) x +#define EX_ST_FP(x,y) x #endif #ifndef LOAD @@ -140,45 +137,110 @@ fsrc2 %x6, %f12; \ fsrc2 %x7, %f14; #define FREG_LOAD_1(base, x0) \ - EX_LD_FP(LOAD(ldd, base + 0x00, %x0)) + EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1) #define FREG_LOAD_2(base, x0, x1) \ - EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \ - EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); + EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); #define FREG_LOAD_3(base, x0, x1, x2) \ - EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \ - EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \ - EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); + EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); #define FREG_LOAD_4(base, x0, x1, x2, x3) \ - EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \ - EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \ - EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \ - EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); + EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); #define FREG_LOAD_5(base, x0, x1, x2, x3, x4) \ - EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \ - EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \ - EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \ - EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \ - EX_LD_FP(LOAD(ldd, base + 0x20, %x4)); + EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1); #define FREG_LOAD_6(base, x0, x1, x2, x3, x4, x5) \ - EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \ - EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \ - EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \ - EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \ - EX_LD_FP(LOAD(ldd, base + 0x20, %x4)); \ - EX_LD_FP(LOAD(ldd, base + 0x28, %x5)); + EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x28, %x5), NG2_retl_o2_plus_g1); #define FREG_LOAD_7(base, x0, x1, x2, x3, x4, x5, x6) \ - EX_LD_FP(LOAD(ldd, base + 0x00, %x0)); \ - EX_LD_FP(LOAD(ldd, base + 0x08, %x1)); \ - EX_LD_FP(LOAD(ldd, base + 0x10, %x2)); \ - EX_LD_FP(LOAD(ldd, base + 0x18, %x3)); \ - EX_LD_FP(LOAD(ldd, base + 0x20, %x4)); \ - EX_LD_FP(LOAD(ldd, base + 0x28, %x5)); \ - EX_LD_FP(LOAD(ldd, base + 0x30, %x6)); + EX_LD_FP(LOAD(ldd, base + 0x00, %x0), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x08, %x1), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x10, %x2), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x18, %x3), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x20, %x4), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x28, %x5), NG2_retl_o2_plus_g1); \ + EX_LD_FP(LOAD(ldd, base + 0x30, %x6), NG2_retl_o2_plus_g1); .register %g2,#scratch .register %g3,#scratch .text +#ifndef EX_RETVAL +#define EX_RETVAL(x) x +__restore_fp: + VISExitHalf +__restore_asi: + retl + wr %g0, ASI_AIUS, %asi +ENTRY(NG2_retl_o2) + ba,pt %xcc, __restore_asi + mov %o2, %o0 +ENDPROC(NG2_retl_o2) +ENTRY(NG2_retl_o2_plus_1) + ba,pt %xcc, __restore_asi + add %o2, 1, %o0 +ENDPROC(NG2_retl_o2_plus_1) +ENTRY(NG2_retl_o2_plus_4) + ba,pt %xcc, __restore_asi + add %o2, 4, %o0 +ENDPROC(NG2_retl_o2_plus_4) +ENTRY(NG2_retl_o2_plus_8) + ba,pt %xcc, __restore_asi + add %o2, 8, %o0 +ENDPROC(NG2_retl_o2_plus_8) +ENTRY(NG2_retl_o2_plus_o4_plus_1) + add %o4, 1, %o4 + ba,pt %xcc, __restore_asi + add %o2, %o4, %o0 +ENDPROC(NG2_retl_o2_plus_o4_plus_1) +ENTRY(NG2_retl_o2_plus_o4_plus_8) + add %o4, 8, %o4 + ba,pt %xcc, __restore_asi + add %o2, %o4, %o0 +ENDPROC(NG2_retl_o2_plus_o4_plus_8) +ENTRY(NG2_retl_o2_plus_o4_plus_16) + add %o4, 16, %o4 + ba,pt %xcc, __restore_asi + add %o2, %o4, %o0 +ENDPROC(NG2_retl_o2_plus_o4_plus_16) +ENTRY(NG2_retl_o2_plus_g1_fp) + ba,pt %xcc, __restore_fp + add %o2, %g1, %o0 +ENDPROC(NG2_retl_o2_plus_g1_fp) +ENTRY(NG2_retl_o2_plus_g1_plus_64_fp) + add %g1, 64, %g1 + ba,pt %xcc, __restore_fp + add %o2, %g1, %o0 +ENDPROC(NG2_retl_o2_plus_g1_plus_64_fp) +ENTRY(NG2_retl_o2_plus_g1_plus_1) + add %g1, 1, %g1 + ba,pt %xcc, __restore_asi + add %o2, %g1, %o0 +ENDPROC(NG2_retl_o2_plus_g1_plus_1) +ENTRY(NG2_retl_o2_and_7_plus_o4) + and %o2, 7, %o2 + ba,pt %xcc, __restore_asi + add %o2, %o4, %o0 +ENDPROC(NG2_retl_o2_and_7_plus_o4) +ENTRY(NG2_retl_o2_and_7_plus_o4_plus_8) + and %o2, 7, %o2 + add %o4, 8, %o4 + ba,pt %xcc, __restore_asi + add %o2, %o4, %o0 +ENDPROC(NG2_retl_o2_and_7_plus_o4_plus_8) +#endif + .align 64 .globl FUNC_NAME @@ -230,8 +292,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ sub %g0, %o4, %o4 ! bytes to align dst sub %o2, %o4, %o2 1: subcc %o4, 1, %o4 - EX_LD(LOAD(ldub, %o1, %g1)) - EX_ST(STORE(stb, %g1, %o0)) + EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o2_plus_o4_plus_1) + EX_ST(STORE(stb, %g1, %o0), NG2_retl_o2_plus_o4_plus_1) add %o1, 1, %o1 bne,pt %XCC, 1b add %o0, 1, %o0 @@ -281,11 +343,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ nop /* fall through for 0 < low bits < 8 */ 110: sub %o4, 64, %g2 - EX_LD_FP(LOAD_BLK(%g2, %f0)) -1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) - EX_LD_FP(LOAD_BLK(%o4, %f16)) + EX_LD_FP(LOAD_BLK(%g2, %f0), NG2_retl_o2_plus_g1) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) + EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f14, f16) - EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) FREG_MOVE_8(f16, f18, f20, f22, f24, f26, f28, f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -296,10 +358,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 120: sub %o4, 56, %g2 FREG_LOAD_7(%g2, f0, f2, f4, f6, f8, f10, f12) -1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) - EX_LD_FP(LOAD_BLK(%o4, %f16)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) + EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) FREG_FROB(f0, f2, f4, f6, f8, f10, f12, f16, f18) - EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) FREG_MOVE_7(f18, f20, f22, f24, f26, f28, f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -310,10 +372,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 130: sub %o4, 48, %g2 FREG_LOAD_6(%g2, f0, f2, f4, f6, f8, f10) -1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) - EX_LD_FP(LOAD_BLK(%o4, %f16)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) + EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) FREG_FROB(f0, f2, f4, f6, f8, f10, f16, f18, f20) - EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) FREG_MOVE_6(f20, f22, f24, f26, f28, f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -324,10 +386,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 140: sub %o4, 40, %g2 FREG_LOAD_5(%g2, f0, f2, f4, f6, f8) -1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) - EX_LD_FP(LOAD_BLK(%o4, %f16)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) + EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) FREG_FROB(f0, f2, f4, f6, f8, f16, f18, f20, f22) - EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) FREG_MOVE_5(f22, f24, f26, f28, f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -338,10 +400,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 150: sub %o4, 32, %g2 FREG_LOAD_4(%g2, f0, f2, f4, f6) -1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) - EX_LD_FP(LOAD_BLK(%o4, %f16)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) + EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) FREG_FROB(f0, f2, f4, f6, f16, f18, f20, f22, f24) - EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) FREG_MOVE_4(f24, f26, f28, f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -352,10 +414,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 160: sub %o4, 24, %g2 FREG_LOAD_3(%g2, f0, f2, f4) -1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) - EX_LD_FP(LOAD_BLK(%o4, %f16)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) + EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) FREG_FROB(f0, f2, f4, f16, f18, f20, f22, f24, f26) - EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) FREG_MOVE_3(f26, f28, f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -366,10 +428,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 170: sub %o4, 16, %g2 FREG_LOAD_2(%g2, f0, f2) -1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) - EX_LD_FP(LOAD_BLK(%o4, %f16)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) + EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) FREG_FROB(f0, f2, f16, f18, f20, f22, f24, f26, f28) - EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) FREG_MOVE_2(f28, f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -380,10 +442,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 180: sub %o4, 8, %g2 FREG_LOAD_1(%g2, f0) -1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) - EX_LD_FP(LOAD_BLK(%o4, %f16)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) + EX_LD_FP(LOAD_BLK(%o4, %f16), NG2_retl_o2_plus_g1) FREG_FROB(f0, f16, f18, f20, f22, f24, f26, f28, f30) - EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1) FREG_MOVE_1(f30) subcc %g1, 64, %g1 add %o4, 64, %o4 @@ -393,10 +455,10 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ nop 190: -1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3)) +1: EX_ST_FP(STORE_INIT(%g0, %o4 + %g3), NG2_retl_o2_plus_g1) subcc %g1, 64, %g1 - EX_LD_FP(LOAD_BLK(%o4, %f0)) - EX_ST_FP(STORE_BLK(%f0, %o4 + %g3)) + EX_LD_FP(LOAD_BLK(%o4, %f0), NG2_retl_o2_plus_g1_plus_64) + EX_ST_FP(STORE_BLK(%f0, %o4 + %g3), NG2_retl_o2_plus_g1_plus_64) add %o4, 64, %o4 bne,pt %xcc, 1b LOAD(prefetch, %o4 + 64, #one_read) @@ -423,28 +485,28 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ andn %o2, 0xf, %o4 and %o2, 0xf, %o2 1: subcc %o4, 0x10, %o4 - EX_LD(LOAD(ldx, %o1, %o5)) + EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2_plus_o4_plus_16) add %o1, 0x08, %o1 - EX_LD(LOAD(ldx, %o1, %g1)) + EX_LD(LOAD(ldx, %o1, %g1), NG2_retl_o2_plus_o4_plus_16) sub %o1, 0x08, %o1 - EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE)) + EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_o4_plus_16) add %o1, 0x8, %o1 - EX_ST(STORE(stx, %g1, %o1 + GLOBAL_SPARE)) + EX_ST(STORE(stx, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_o4_plus_8) bgu,pt %XCC, 1b add %o1, 0x8, %o1 73: andcc %o2, 0x8, %g0 be,pt %XCC, 1f nop sub %o2, 0x8, %o2 - EX_LD(LOAD(ldx, %o1, %o5)) - EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE)) + EX_LD(LOAD(ldx, %o1, %o5), NG2_retl_o2_plus_8) + EX_ST(STORE(stx, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_8) add %o1, 0x8, %o1 1: andcc %o2, 0x4, %g0 be,pt %XCC, 1f nop sub %o2, 0x4, %o2 - EX_LD(LOAD(lduw, %o1, %o5)) - EX_ST(STORE(stw, %o5, %o1 + GLOBAL_SPARE)) + EX_LD(LOAD(lduw, %o1, %o5), NG2_retl_o2_plus_4) + EX_ST(STORE(stw, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_4) add %o1, 0x4, %o1 1: cmp %o2, 0 be,pt %XCC, 85f @@ -460,8 +522,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ sub %o2, %g1, %o2 1: subcc %g1, 1, %g1 - EX_LD(LOAD(ldub, %o1, %o5)) - EX_ST(STORE(stb, %o5, %o1 + GLOBAL_SPARE)) + EX_LD(LOAD(ldub, %o1, %o5), NG2_retl_o2_plus_g1_plus_1) + EX_ST(STORE(stb, %o5, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_g1_plus_1) bgu,pt %icc, 1b add %o1, 1, %o1 @@ -477,16 +539,16 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 8: mov 64, GLOBAL_SPARE andn %o1, 0x7, %o1 - EX_LD(LOAD(ldx, %o1, %g2)) + EX_LD(LOAD(ldx, %o1, %g2), NG2_retl_o2) sub GLOBAL_SPARE, %g1, GLOBAL_SPARE andn %o2, 0x7, %o4 sllx %g2, %g1, %g2 1: add %o1, 0x8, %o1 - EX_LD(LOAD(ldx, %o1, %g3)) + EX_LD(LOAD(ldx, %o1, %g3), NG2_retl_o2_and_7_plus_o4) subcc %o4, 0x8, %o4 srlx %g3, GLOBAL_SPARE, %o5 or %o5, %g2, %o5 - EX_ST(STORE(stx, %o5, %o0)) + EX_ST(STORE(stx, %o5, %o0), NG2_retl_o2_and_7_plus_o4_plus_8) add %o0, 0x8, %o0 bgu,pt %icc, 1b sllx %g3, %g1, %g2 @@ -506,8 +568,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 1: subcc %o2, 4, %o2 - EX_LD(LOAD(lduw, %o1, %g1)) - EX_ST(STORE(stw, %g1, %o1 + GLOBAL_SPARE)) + EX_LD(LOAD(lduw, %o1, %g1), NG2_retl_o2_plus_4) + EX_ST(STORE(stw, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_4) bgu,pt %XCC, 1b add %o1, 4, %o1 @@ -517,8 +579,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ .align 32 90: subcc %o2, 1, %o2 - EX_LD(LOAD(ldub, %o1, %g1)) - EX_ST(STORE(stb, %g1, %o1 + GLOBAL_SPARE)) + EX_LD(LOAD(ldub, %o1, %g1), NG2_retl_o2_plus_1) + EX_ST(STORE(stb, %g1, %o1 + GLOBAL_SPARE), NG2_retl_o2_plus_1) bgu,pt %XCC, 90b add %o1, 1, %o1 retl diff --git a/arch/sparc/lib/NG4copy_from_user.S b/arch/sparc/lib/NG4copy_from_user.S index 2e8ee7a..16a286c 100644 --- a/arch/sparc/lib/NG4copy_from_user.S +++ b/arch/sparc/lib/NG4copy_from_user.S @@ -3,19 +3,19 @@ * Copyright (C) 2012 David S. Miller (davem@davemloft.net) */ -#define EX_LD(x) \ +#define EX_LD(x, y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one_asi;\ + .word 98b, y; \ .text; \ .align 4; -#define EX_LD_FP(x) \ +#define EX_LD_FP(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one_asi_fp;\ + .word 98b, y##_fp; \ .text; \ .align 4; diff --git a/arch/sparc/lib/NG4copy_to_user.S b/arch/sparc/lib/NG4copy_to_user.S index be0bf45..6b0276f 100644 --- a/arch/sparc/lib/NG4copy_to_user.S +++ b/arch/sparc/lib/NG4copy_to_user.S @@ -3,19 +3,19 @@ * Copyright (C) 2012 David S. Miller (davem@davemloft.net) */ -#define EX_ST(x) \ +#define EX_ST(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one_asi;\ + .word 98b, y; \ .text; \ .align 4; -#define EX_ST_FP(x) \ +#define EX_ST_FP(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one_asi_fp;\ + .word 98b, y##_fp; \ .text; \ .align 4; diff --git a/arch/sparc/lib/NG4memcpy.S b/arch/sparc/lib/NG4memcpy.S index 8e13ee1..75bb93b 100644 --- a/arch/sparc/lib/NG4memcpy.S +++ b/arch/sparc/lib/NG4memcpy.S @@ -4,6 +4,7 @@ */ #ifdef __KERNEL__ +#include <linux/linkage.h> #include <asm/visasm.h> #include <asm/asi.h> #define GLOBAL_SPARE %g7 @@ -46,22 +47,19 @@ #endif #ifndef EX_LD -#define EX_LD(x) x +#define EX_LD(x,y) x #endif #ifndef EX_LD_FP -#define EX_LD_FP(x) x +#define EX_LD_FP(x,y) x #endif #ifndef EX_ST -#define EX_ST(x) x +#define EX_ST(x,y) x #endif #ifndef EX_ST_FP -#define EX_ST_FP(x) x +#define EX_ST_FP(x,y) x #endif -#ifndef EX_RETVAL -#define EX_RETVAL(x) x -#endif #ifndef LOAD #define LOAD(type,addr,dest) type [addr], dest @@ -94,6 +92,158 @@ .register %g3,#scratch .text +#ifndef EX_RETVAL +#define EX_RETVAL(x) x +__restore_asi_fp: + VISExitHalf +__restore_asi: + retl + wr %g0, ASI_AIUS, %asi + +ENTRY(NG4_retl_o2) + ba,pt %xcc, __restore_asi + mov %o2, %o0 +ENDPROC(NG4_retl_o2) +ENTRY(NG4_retl_o2_plus_1) + ba,pt %xcc, __restore_asi + add %o2, 1, %o0 +ENDPROC(NG4_retl_o2_plus_1) +ENTRY(NG4_retl_o2_plus_4) + ba,pt %xcc, __restore_asi + add %o2, 4, %o0 +ENDPROC(NG4_retl_o2_plus_4) +ENTRY(NG4_retl_o2_plus_o5) + ba,pt %xcc, __restore_asi + add %o2, %o5, %o0 +ENDPROC(NG4_retl_o2_plus_o5) +ENTRY(NG4_retl_o2_plus_o5_plus_4) + add %o5, 4, %o5 + ba,pt %xcc, __restore_asi + add %o2, %o5, %o0 +ENDPROC(NG4_retl_o2_plus_o5_plus_4) +ENTRY(NG4_retl_o2_plus_o5_plus_8) + add %o5, 8, %o5 + ba,pt %xcc, __restore_asi + add %o2, %o5, %o0 +ENDPROC(NG4_retl_o2_plus_o5_plus_8) +ENTRY(NG4_retl_o2_plus_o5_plus_16) + add %o5, 16, %o5 + ba,pt %xcc, __restore_asi + add %o2, %o5, %o0 +ENDPROC(NG4_retl_o2_plus_o5_plus_16) +ENTRY(NG4_retl_o2_plus_o5_plus_24) + add %o5, 24, %o5 + ba,pt %xcc, __restore_asi + add %o2, %o5, %o0 +ENDPROC(NG4_retl_o2_plus_o5_plus_24) +ENTRY(NG4_retl_o2_plus_o5_plus_32) + add %o5, 32, %o5 + ba,pt %xcc, __restore_asi + add %o2, %o5, %o0 +ENDPROC(NG4_retl_o2_plus_o5_plus_32) +ENTRY(NG4_retl_o2_plus_g1) + ba,pt %xcc, __restore_asi + add %o2, %g1, %o0 +ENDPROC(NG4_retl_o2_plus_g1) +ENTRY(NG4_retl_o2_plus_g1_plus_1) + add %g1, 1, %g1 + ba,pt %xcc, __restore_asi + add %o2, %g1, %o0 +ENDPROC(NG4_retl_o2_plus_g1_plus_1) +ENTRY(NG4_retl_o2_plus_g1_plus_8) + add %g1, 8, %g1 + ba,pt %xcc, __restore_asi + add %o2, %g1, %o0 +ENDPROC(NG4_retl_o2_plus_g1_plus_8) +ENTRY(NG4_retl_o2_plus_o4) + ba,pt %xcc, __restore_asi + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4) +ENTRY(NG4_retl_o2_plus_o4_plus_8) + add %o4, 8, %o4 + ba,pt %xcc, __restore_asi + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_8) +ENTRY(NG4_retl_o2_plus_o4_plus_16) + add %o4, 16, %o4 + ba,pt %xcc, __restore_asi + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_16) +ENTRY(NG4_retl_o2_plus_o4_plus_24) + add %o4, 24, %o4 + ba,pt %xcc, __restore_asi + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_24) +ENTRY(NG4_retl_o2_plus_o4_plus_32) + add %o4, 32, %o4 + ba,pt %xcc, __restore_asi + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_32) +ENTRY(NG4_retl_o2_plus_o4_plus_40) + add %o4, 40, %o4 + ba,pt %xcc, __restore_asi + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_40) +ENTRY(NG4_retl_o2_plus_o4_plus_48) + add %o4, 48, %o4 + ba,pt %xcc, __restore_asi + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_48) +ENTRY(NG4_retl_o2_plus_o4_plus_56) + add %o4, 56, %o4 + ba,pt %xcc, __restore_asi + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_56) +ENTRY(NG4_retl_o2_plus_o4_plus_64) + add %o4, 64, %o4 + ba,pt %xcc, __restore_asi + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_64) +ENTRY(NG4_retl_o2_plus_o4_fp) + ba,pt %xcc, __restore_asi_fp + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_fp) +ENTRY(NG4_retl_o2_plus_o4_plus_8_fp) + add %o4, 8, %o4 + ba,pt %xcc, __restore_asi_fp + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_8_fp) +ENTRY(NG4_retl_o2_plus_o4_plus_16_fp) + add %o4, 16, %o4 + ba,pt %xcc, __restore_asi_fp + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_16_fp) +ENTRY(NG4_retl_o2_plus_o4_plus_24_fp) + add %o4, 24, %o4 + ba,pt %xcc, __restore_asi_fp + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_24_fp) +ENTRY(NG4_retl_o2_plus_o4_plus_32_fp) + add %o4, 32, %o4 + ba,pt %xcc, __restore_asi_fp + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_32_fp) +ENTRY(NG4_retl_o2_plus_o4_plus_40_fp) + add %o4, 40, %o4 + ba,pt %xcc, __restore_asi_fp + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_40_fp) +ENTRY(NG4_retl_o2_plus_o4_plus_48_fp) + add %o4, 48, %o4 + ba,pt %xcc, __restore_asi_fp + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_48_fp) +ENTRY(NG4_retl_o2_plus_o4_plus_56_fp) + add %o4, 56, %o4 + ba,pt %xcc, __restore_asi_fp + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_56_fp) +ENTRY(NG4_retl_o2_plus_o4_plus_64_fp) + add %o4, 64, %o4 + ba,pt %xcc, __restore_asi_fp + add %o2, %o4, %o0 +ENDPROC(NG4_retl_o2_plus_o4_plus_64_fp) +#endif .align 64 .globl FUNC_NAME @@ -124,12 +274,13 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ brz,pt %g1, 51f sub %o2, %g1, %o2 -1: EX_LD(LOAD(ldub, %o1 + 0x00, %g2)) + +1: EX_LD(LOAD(ldub, %o1 + 0x00, %g2), NG4_retl_o2_plus_g1) add %o1, 1, %o1 subcc %g1, 1, %g1 add %o0, 1, %o0 bne,pt %icc, 1b - EX_ST(STORE(stb, %g2, %o0 - 0x01)) + EX_ST(STORE(stb, %g2, %o0 - 0x01), NG4_retl_o2_plus_g1_plus_1) 51: LOAD(prefetch, %o1 + 0x040, #n_reads_strong) LOAD(prefetch, %o1 + 0x080, #n_reads_strong) @@ -154,43 +305,43 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ brz,pt %g1, .Llarge_aligned sub %o2, %g1, %o2 -1: EX_LD(LOAD(ldx, %o1 + 0x00, %g2)) +1: EX_LD(LOAD(ldx, %o1 + 0x00, %g2), NG4_retl_o2_plus_g1) add %o1, 8, %o1 subcc %g1, 8, %g1 add %o0, 8, %o0 bne,pt %icc, 1b - EX_ST(STORE(stx, %g2, %o0 - 0x08)) + EX_ST(STORE(stx, %g2, %o0 - 0x08), NG4_retl_o2_plus_g1_plus_8) .Llarge_aligned: /* len >= 0x80 && src 8-byte aligned && dest 8-byte aligned */ andn %o2, 0x3f, %o4 sub %o2, %o4, %o2 -1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1)) +1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1), NG4_retl_o2_plus_o4) add %o1, 0x40, %o1 - EX_LD(LOAD(ldx, %o1 - 0x38, %g2)) + EX_LD(LOAD(ldx, %o1 - 0x38, %g2), NG4_retl_o2_plus_o4) subcc %o4, 0x40, %o4 - EX_LD(LOAD(ldx, %o1 - 0x30, %g3)) - EX_LD(LOAD(ldx, %o1 - 0x28, GLOBAL_SPARE)) - EX_LD(LOAD(ldx, %o1 - 0x20, %o5)) - EX_ST(STORE_INIT(%g1, %o0)) + EX_LD(LOAD(ldx, %o1 - 0x30, %g3), NG4_retl_o2_plus_o4_plus_64) + EX_LD(LOAD(ldx, %o1 - 0x28, GLOBAL_SPARE), NG4_retl_o2_plus_o4_plus_64) + EX_LD(LOAD(ldx, %o1 - 0x20, %o5), NG4_retl_o2_plus_o4_plus_64) + EX_ST(STORE_INIT(%g1, %o0), NG4_retl_o2_plus_o4_plus_64) add %o0, 0x08, %o0 - EX_ST(STORE_INIT(%g2, %o0)) + EX_ST(STORE_INIT(%g2, %o0), NG4_retl_o2_plus_o4_plus_56) add %o0, 0x08, %o0 - EX_LD(LOAD(ldx, %o1 - 0x18, %g2)) - EX_ST(STORE_INIT(%g3, %o0)) + EX_LD(LOAD(ldx, %o1 - 0x18, %g2), NG4_retl_o2_plus_o4_plus_48) + EX_ST(STORE_INIT(%g3, %o0), NG4_retl_o2_plus_o4_plus_48) add %o0, 0x08, %o0 - EX_LD(LOAD(ldx, %o1 - 0x10, %g3)) - EX_ST(STORE_INIT(GLOBAL_SPARE, %o0)) + EX_LD(LOAD(ldx, %o1 - 0x10, %g3), NG4_retl_o2_plus_o4_plus_40) + EX_ST(STORE_INIT(GLOBAL_SPARE, %o0), NG4_retl_o2_plus_o4_plus_40) add %o0, 0x08, %o0 - EX_LD(LOAD(ldx, %o1 - 0x08, GLOBAL_SPARE)) - EX_ST(STORE_INIT(%o5, %o0)) + EX_LD(LOAD(ldx, %o1 - 0x08, GLOBAL_SPARE), NG4_retl_o2_plus_o4_plus_32) + EX_ST(STORE_INIT(%o5, %o0), NG4_retl_o2_plus_o4_plus_32) add %o0, 0x08, %o0 - EX_ST(STORE_INIT(%g2, %o0)) + EX_ST(STORE_INIT(%g2, %o0), NG4_retl_o2_plus_o4_plus_24) add %o0, 0x08, %o0 - EX_ST(STORE_INIT(%g3, %o0)) + EX_ST(STORE_INIT(%g3, %o0), NG4_retl_o2_plus_o4_plus_16) add %o0, 0x08, %o0 - EX_ST(STORE_INIT(GLOBAL_SPARE, %o0)) + EX_ST(STORE_INIT(GLOBAL_SPARE, %o0), NG4_retl_o2_plus_o4_plus_8) add %o0, 0x08, %o0 bne,pt %icc, 1b LOAD(prefetch, %o1 + 0x200, #n_reads_strong) @@ -216,17 +367,17 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ sub %o2, %o4, %o2 alignaddr %o1, %g0, %g1 add %o1, %o4, %o1 - EX_LD_FP(LOAD(ldd, %g1 + 0x00, %f0)) -1: EX_LD_FP(LOAD(ldd, %g1 + 0x08, %f2)) + EX_LD_FP(LOAD(ldd, %g1 + 0x00, %f0), NG4_retl_o2_plus_o4) +1: EX_LD_FP(LOAD(ldd, %g1 + 0x08, %f2), NG4_retl_o2_plus_o4) subcc %o4, 0x40, %o4 - EX_LD_FP(LOAD(ldd, %g1 + 0x10, %f4)) - EX_LD_FP(LOAD(ldd, %g1 + 0x18, %f6)) - EX_LD_FP(LOAD(ldd, %g1 + 0x20, %f8)) - EX_LD_FP(LOAD(ldd, %g1 + 0x28, %f10)) - EX_LD_FP(LOAD(ldd, %g1 + 0x30, %f12)) - EX_LD_FP(LOAD(ldd, %g1 + 0x38, %f14)) + EX_LD_FP(LOAD(ldd, %g1 + 0x10, %f4), NG4_retl_o2_plus_o4_plus_64) + EX_LD_FP(LOAD(ldd, %g1 + 0x18, %f6), NG4_retl_o2_plus_o4_plus_64) + EX_LD_FP(LOAD(ldd, %g1 + 0x20, %f8), NG4_retl_o2_plus_o4_plus_64) + EX_LD_FP(LOAD(ldd, %g1 + 0x28, %f10), NG4_retl_o2_plus_o4_plus_64) + EX_LD_FP(LOAD(ldd, %g1 + 0x30, %f12), NG4_retl_o2_plus_o4_plus_64) + EX_LD_FP(LOAD(ldd, %g1 + 0x38, %f14), NG4_retl_o2_plus_o4_plus_64) faligndata %f0, %f2, %f16 - EX_LD_FP(LOAD(ldd, %g1 + 0x40, %f0)) + EX_LD_FP(LOAD(ldd, %g1 + 0x40, %f0), NG4_retl_o2_plus_o4_plus_64) faligndata %f2, %f4, %f18 add %g1, 0x40, %g1 faligndata %f4, %f6, %f20 @@ -235,14 +386,14 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ faligndata %f10, %f12, %f26 faligndata %f12, %f14, %f28 faligndata %f14, %f0, %f30 - EX_ST_FP(STORE(std, %f16, %o0 + 0x00)) - EX_ST_FP(STORE(std, %f18, %o0 + 0x08)) - EX_ST_FP(STORE(std, %f20, %o0 + 0x10)) - EX_ST_FP(STORE(std, %f22, %o0 + 0x18)) - EX_ST_FP(STORE(std, %f24, %o0 + 0x20)) - EX_ST_FP(STORE(std, %f26, %o0 + 0x28)) - EX_ST_FP(STORE(std, %f28, %o0 + 0x30)) - EX_ST_FP(STORE(std, %f30, %o0 + 0x38)) + EX_ST_FP(STORE(std, %f16, %o0 + 0x00), NG4_retl_o2_plus_o4_plus_64) + EX_ST_FP(STORE(std, %f18, %o0 + 0x08), NG4_retl_o2_plus_o4_plus_56) + EX_ST_FP(STORE(std, %f20, %o0 + 0x10), NG4_retl_o2_plus_o4_plus_48) + EX_ST_FP(STORE(std, %f22, %o0 + 0x18), NG4_retl_o2_plus_o4_plus_40) + EX_ST_FP(STORE(std, %f24, %o0 + 0x20), NG4_retl_o2_plus_o4_plus_32) + EX_ST_FP(STORE(std, %f26, %o0 + 0x28), NG4_retl_o2_plus_o4_plus_24) + EX_ST_FP(STORE(std, %f28, %o0 + 0x30), NG4_retl_o2_plus_o4_plus_16) + EX_ST_FP(STORE(std, %f30, %o0 + 0x38), NG4_retl_o2_plus_o4_plus_8) add %o0, 0x40, %o0 bne,pt %icc, 1b LOAD(prefetch, %g1 + 0x200, #n_reads_strong) @@ -270,37 +421,38 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ andncc %o2, 0x20 - 1, %o5 be,pn %icc, 2f sub %o2, %o5, %o2 -1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1)) - EX_LD(LOAD(ldx, %o1 + 0x08, %g2)) - EX_LD(LOAD(ldx, %o1 + 0x10, GLOBAL_SPARE)) - EX_LD(LOAD(ldx, %o1 + 0x18, %o4)) +1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1), NG4_retl_o2_plus_o5) + EX_LD(LOAD(ldx, %o1 + 0x08, %g2), NG4_retl_o2_plus_o5) + EX_LD(LOAD(ldx, %o1 + 0x10, GLOBAL_SPARE), NG4_retl_o2_plus_o5) + EX_LD(LOAD(ldx, %o1 + 0x18, %o4), NG4_retl_o2_plus_o5) add %o1, 0x20, %o1 subcc %o5, 0x20, %o5 - EX_ST(STORE(stx, %g1, %o0 + 0x00)) - EX_ST(STORE(stx, %g2, %o0 + 0x08)) - EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x10)) - EX_ST(STORE(stx, %o4, %o0 + 0x18)) + EX_ST(STORE(stx, %g1, %o0 + 0x00), NG4_retl_o2_plus_o5_plus_32) + EX_ST(STORE(stx, %g2, %o0 + 0x08), NG4_retl_o2_plus_o5_plus_24) + EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x10), NG4_retl_o2_plus_o5_plus_24) + EX_ST(STORE(stx, %o4, %o0 + 0x18), NG4_retl_o2_plus_o5_plus_8) bne,pt %icc, 1b add %o0, 0x20, %o0 2: andcc %o2, 0x18, %o5 be,pt %icc, 3f sub %o2, %o5, %o2 -1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1)) + +1: EX_LD(LOAD(ldx, %o1 + 0x00, %g1), NG4_retl_o2_plus_o5) add %o1, 0x08, %o1 add %o0, 0x08, %o0 subcc %o5, 0x08, %o5 bne,pt %icc, 1b - EX_ST(STORE(stx, %g1, %o0 - 0x08)) + EX_ST(STORE(stx, %g1, %o0 - 0x08), NG4_retl_o2_plus_o5_plus_8) 3: brz,pt %o2, .Lexit cmp %o2, 0x04 bl,pn %icc, .Ltiny nop - EX_LD(LOAD(lduw, %o1 + 0x00, %g1)) + EX_LD(LOAD(lduw, %o1 + 0x00, %g1), NG4_retl_o2) add %o1, 0x04, %o1 add %o0, 0x04, %o0 subcc %o2, 0x04, %o2 bne,pn %icc, .Ltiny - EX_ST(STORE(stw, %g1, %o0 - 0x04)) + EX_ST(STORE(stw, %g1, %o0 - 0x04), NG4_retl_o2_plus_4) ba,a,pt %icc, .Lexit .Lmedium_unaligned: /* First get dest 8 byte aligned. */ @@ -309,12 +461,12 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ brz,pt %g1, 2f sub %o2, %g1, %o2 -1: EX_LD(LOAD(ldub, %o1 + 0x00, %g2)) +1: EX_LD(LOAD(ldub, %o1 + 0x00, %g2), NG4_retl_o2_plus_g1) add %o1, 1, %o1 subcc %g1, 1, %g1 add %o0, 1, %o0 bne,pt %icc, 1b - EX_ST(STORE(stb, %g2, %o0 - 0x01)) + EX_ST(STORE(stb, %g2, %o0 - 0x01), NG4_retl_o2_plus_g1_plus_1) 2: and %o1, 0x7, %g1 brz,pn %g1, .Lmedium_noprefetch @@ -322,16 +474,16 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ mov 64, %g2 sub %g2, %g1, %g2 andn %o1, 0x7, %o1 - EX_LD(LOAD(ldx, %o1 + 0x00, %o4)) + EX_LD(LOAD(ldx, %o1 + 0x00, %o4), NG4_retl_o2) sllx %o4, %g1, %o4 andn %o2, 0x08 - 1, %o5 sub %o2, %o5, %o2 -1: EX_LD(LOAD(ldx, %o1 + 0x08, %g3)) +1: EX_LD(LOAD(ldx, %o1 + 0x08, %g3), NG4_retl_o2_plus_o5) add %o1, 0x08, %o1 subcc %o5, 0x08, %o5 srlx %g3, %g2, GLOBAL_SPARE or GLOBAL_SPARE, %o4, GLOBAL_SPARE - EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x00)) + EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x00), NG4_retl_o2_plus_o5_plus_8) add %o0, 0x08, %o0 bne,pt %icc, 1b sllx %g3, %g1, %o4 @@ -342,17 +494,17 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ ba,pt %icc, .Lsmall_unaligned .Ltiny: - EX_LD(LOAD(ldub, %o1 + 0x00, %g1)) + EX_LD(LOAD(ldub, %o1 + 0x00, %g1), NG4_retl_o2) subcc %o2, 1, %o2 be,pn %icc, .Lexit - EX_ST(STORE(stb, %g1, %o0 + 0x00)) - EX_LD(LOAD(ldub, %o1 + 0x01, %g1)) + EX_ST(STORE(stb, %g1, %o0 + 0x00), NG4_retl_o2_plus_1) + EX_LD(LOAD(ldub, %o1 + 0x01, %g1), NG4_retl_o2) subcc %o2, 1, %o2 be,pn %icc, .Lexit - EX_ST(STORE(stb, %g1, %o0 + 0x01)) - EX_LD(LOAD(ldub, %o1 + 0x02, %g1)) + EX_ST(STORE(stb, %g1, %o0 + 0x01), NG4_retl_o2_plus_1) + EX_LD(LOAD(ldub, %o1 + 0x02, %g1), NG4_retl_o2) ba,pt %icc, .Lexit - EX_ST(STORE(stb, %g1, %o0 + 0x02)) + EX_ST(STORE(stb, %g1, %o0 + 0x02), NG4_retl_o2) .Lsmall: andcc %g2, 0x3, %g0 @@ -360,22 +512,22 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ andn %o2, 0x4 - 1, %o5 sub %o2, %o5, %o2 1: - EX_LD(LOAD(lduw, %o1 + 0x00, %g1)) + EX_LD(LOAD(lduw, %o1 + 0x00, %g1), NG4_retl_o2_plus_o5) add %o1, 0x04, %o1 subcc %o5, 0x04, %o5 add %o0, 0x04, %o0 bne,pt %icc, 1b - EX_ST(STORE(stw, %g1, %o0 - 0x04)) + EX_ST(STORE(stw, %g1, %o0 - 0x04), NG4_retl_o2_plus_o5_plus_4) brz,pt %o2, .Lexit nop ba,a,pt %icc, .Ltiny .Lsmall_unaligned: -1: EX_LD(LOAD(ldub, %o1 + 0x00, %g1)) +1: EX_LD(LOAD(ldub, %o1 + 0x00, %g1), NG4_retl_o2) add %o1, 1, %o1 add %o0, 1, %o0 subcc %o2, 1, %o2 bne,pt %icc, 1b - EX_ST(STORE(stb, %g1, %o0 - 0x01)) + EX_ST(STORE(stb, %g1, %o0 - 0x01), NG4_retl_o2_plus_1) ba,a,pt %icc, .Lexit .size FUNC_NAME, .-FUNC_NAME diff --git a/arch/sparc/lib/NGcopy_from_user.S b/arch/sparc/lib/NGcopy_from_user.S index 5d1e4d1..9cd42fc 100644 --- a/arch/sparc/lib/NGcopy_from_user.S +++ b/arch/sparc/lib/NGcopy_from_user.S @@ -3,11 +3,11 @@ * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net) */ -#define EX_LD(x) \ +#define EX_LD(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __ret_one_asi;\ + .word 98b, y; \ .text; \ .align 4; diff --git a/arch/sparc/lib/NGcopy_to_user.S b/arch/sparc/lib/NGcopy_to_user.S index ff630dc..5c358af 100644 --- a/arch/sparc/lib/NGcopy_to_user.S +++ b/arch/sparc/lib/NGcopy_to_user.S @@ -3,11 +3,11 @@ * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net) */ -#define EX_ST(x) \ +#define EX_ST(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __ret_one_asi;\ + .word 98b, y; \ .text; \ .align 4; diff --git a/arch/sparc/lib/NGmemcpy.S b/arch/sparc/lib/NGmemcpy.S index 96a14ca..d88c4ed 100644 --- a/arch/sparc/lib/NGmemcpy.S +++ b/arch/sparc/lib/NGmemcpy.S @@ -4,6 +4,7 @@ */ #ifdef __KERNEL__ +#include <linux/linkage.h> #include <asm/asi.h> #include <asm/thread_info.h> #define GLOBAL_SPARE %g7 @@ -27,15 +28,11 @@ #endif #ifndef EX_LD -#define EX_LD(x) x +#define EX_LD(x,y) x #endif #ifndef EX_ST -#define EX_ST(x) x -#endif - -#ifndef EX_RETVAL -#define EX_RETVAL(x) x +#define EX_ST(x,y) x #endif #ifndef LOAD @@ -79,6 +76,92 @@ .register %g3,#scratch .text +#ifndef EX_RETVAL +#define EX_RETVAL(x) x +__restore_asi: + ret + wr %g0, ASI_AIUS, %asi + restore +ENTRY(NG_ret_i2_plus_i4_plus_1) + ba,pt %xcc, __restore_asi + add %i2, %i5, %i0 +ENDPROC(NG_ret_i2_plus_i4_plus_1) +ENTRY(NG_ret_i2_plus_g1) + ba,pt %xcc, __restore_asi + add %i2, %g1, %i0 +ENDPROC(NG_ret_i2_plus_g1) +ENTRY(NG_ret_i2_plus_g1_minus_8) + sub %g1, 8, %g1 + ba,pt %xcc, __restore_asi + add %i2, %g1, %i0 +ENDPROC(NG_ret_i2_plus_g1_minus_8) +ENTRY(NG_ret_i2_plus_g1_minus_16) + sub %g1, 16, %g1 + ba,pt %xcc, __restore_asi + add %i2, %g1, %i0 +ENDPROC(NG_ret_i2_plus_g1_minus_16) +ENTRY(NG_ret_i2_plus_g1_minus_24) + sub %g1, 24, %g1 + ba,pt %xcc, __restore_asi + add %i2, %g1, %i0 +ENDPROC(NG_ret_i2_plus_g1_minus_24) +ENTRY(NG_ret_i2_plus_g1_minus_32) + sub %g1, 32, %g1 + ba,pt %xcc, __restore_asi + add %i2, %g1, %i0 +ENDPROC(NG_ret_i2_plus_g1_minus_32) +ENTRY(NG_ret_i2_plus_g1_minus_40) + sub %g1, 40, %g1 + ba,pt %xcc, __restore_asi + add %i2, %g1, %i0 +ENDPROC(NG_ret_i2_plus_g1_minus_40) +ENTRY(NG_ret_i2_plus_g1_minus_48) + sub %g1, 48, %g1 + ba,pt %xcc, __restore_asi + add %i2, %g1, %i0 +ENDPROC(NG_ret_i2_plus_g1_minus_48) +ENTRY(NG_ret_i2_plus_g1_minus_56) + sub %g1, 56, %g1 + ba,pt %xcc, __restore_asi + add %i2, %g1, %i0 +ENDPROC(NG_ret_i2_plus_g1_minus_56) +ENTRY(NG_ret_i2_plus_i4) + ba,pt %xcc, __restore_asi + add %i2, %i4, %i0 +ENDPROC(NG_ret_i2_plus_i4) +ENTRY(NG_ret_i2_plus_i4_minus_8) + sub %i4, 8, %i4 + ba,pt %xcc, __restore_asi + add %i2, %i4, %i0 +ENDPROC(NG_ret_i2_plus_i4_minus_8) +ENTRY(NG_ret_i2_plus_8) + ba,pt %xcc, __restore_asi + add %i2, 8, %i0 +ENDPROC(NG_ret_i2_plus_8) +ENTRY(NG_ret_i2_plus_4) + ba,pt %xcc, __restore_asi + add %i2, 4, %i0 +ENDPROC(NG_ret_i2_plus_4) +ENTRY(NG_ret_i2_plus_1) + ba,pt %xcc, __restore_asi + add %i2, 1, %i0 +ENDPROC(NG_ret_i2_plus_1) +ENTRY(NG_ret_i2_plus_g1_plus_1) + add %g1, 1, %g1 + ba,pt %xcc, __restore_asi + add %i2, %g1, %i0 +ENDPROC(NG_ret_i2_plus_g1_plus_1) +ENTRY(NG_ret_i2) + ba,pt %xcc, __restore_asi + mov %i2, %i0 +ENDPROC(NG_ret_i2) +ENTRY(NG_ret_i2_and_7_plus_i4) + and %i2, 7, %i2 + ba,pt %xcc, __restore_asi + add %i2, %i4, %i0 +ENDPROC(NG_ret_i2_and_7_plus_i4) +#endif + .align 64 .globl FUNC_NAME @@ -126,8 +209,8 @@ FUNC_NAME: /* %i0=dst, %i1=src, %i2=len */ sub %g0, %i4, %i4 ! bytes to align dst sub %i2, %i4, %i2 1: subcc %i4, 1, %i4 - EX_LD(LOAD(ldub, %i1, %g1)) - EX_ST(STORE(stb, %g1, %o0)) + EX_LD(LOAD(ldub, %i1, %g1), NG_ret_i2_plus_i4_plus_1) + EX_ST(STORE(stb, %g1, %o0), NG_ret_i2_plus_i4_plus_1) add %i1, 1, %i1 bne,pt %XCC, 1b add %o0, 1, %o0 @@ -160,7 +243,7 @@ FUNC_NAME: /* %i0=dst, %i1=src, %i2=len */ and %i4, 0x7, GLOBAL_SPARE sll GLOBAL_SPARE, 3, GLOBAL_SPARE mov 64, %i5 - EX_LD(LOAD_TWIN(%i1, %g2, %g3)) + EX_LD(LOAD_TWIN(%i1, %g2, %g3), NG_ret_i2_plus_g1) sub %i5, GLOBAL_SPARE, %i5 mov 16, %o4 mov 32, %o5 @@ -178,31 +261,31 @@ FUNC_NAME: /* %i0=dst, %i1=src, %i2=len */ srlx WORD3, PRE_SHIFT, TMP; \ or WORD2, TMP, WORD2; -8: EX_LD(LOAD_TWIN(%i1 + %o4, %o2, %o3)) +8: EX_LD(LOAD_TWIN(%i1 + %o4, %o2, %o3), NG_ret_i2_plus_g1) MIX_THREE_WORDS(%g2, %g3, %o2, %i5, GLOBAL_SPARE, %o1) LOAD(prefetch, %i1 + %i3, #one_read) - EX_ST(STORE_INIT(%g2, %o0 + 0x00)) - EX_ST(STORE_INIT(%g3, %o0 + 0x08)) + EX_ST(STORE_INIT(%g2, %o0 + 0x00), NG_ret_i2_plus_g1) + EX_ST(STORE_INIT(%g3, %o0 + 0x08), NG_ret_i2_plus_g1_minus_8) - EX_LD(LOAD_TWIN(%i1 + %o5, %g2, %g3)) + EX_LD(LOAD_TWIN(%i1 + %o5, %g2, %g3), NG_ret_i2_plus_g1_minus_16) MIX_THREE_WORDS(%o2, %o3, %g2, %i5, GLOBAL_SPARE, %o1) - EX_ST(STORE_INIT(%o2, %o0 + 0x10)) - EX_ST(STORE_INIT(%o3, %o0 + 0x18)) + EX_ST(STORE_INIT(%o2, %o0 + 0x10), NG_ret_i2_plus_g1_minus_16) + EX_ST(STORE_INIT(%o3, %o0 + 0x18), NG_ret_i2_plus_g1_minus_24) - EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3)) + EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3), NG_ret_i2_plus_g1_minus_32) MIX_THREE_WORDS(%g2, %g3, %o2, %i5, GLOBAL_SPARE, %o1) - EX_ST(STORE_INIT(%g2, %o0 + 0x20)) - EX_ST(STORE_INIT(%g3, %o0 + 0x28)) + EX_ST(STORE_INIT(%g2, %o0 + 0x20), NG_ret_i2_plus_g1_minus_32) + EX_ST(STORE_INIT(%g3, %o0 + 0x28), NG_ret_i2_plus_g1_minus_40) - EX_LD(LOAD_TWIN(%i1 + %i3, %g2, %g3)) + EX_LD(LOAD_TWIN(%i1 + %i3, %g2, %g3), NG_ret_i2_plus_g1_minus_48) add %i1, 64, %i1 MIX_THREE_WORDS(%o2, %o3, %g2, %i5, GLOBAL_SPARE, %o1) - EX_ST(STORE_INIT(%o2, %o0 + 0x30)) - EX_ST(STORE_INIT(%o3, %o0 + 0x38)) + EX_ST(STORE_INIT(%o2, %o0 + 0x30), NG_ret_i2_plus_g1_minus_48) + EX_ST(STORE_INIT(%o3, %o0 + 0x38), NG_ret_i2_plus_g1_minus_56) subcc %g1, 64, %g1 bne,pt %XCC, 8b @@ -211,31 +294,31 @@ FUNC_NAME: /* %i0=dst, %i1=src, %i2=len */ ba,pt %XCC, 60f add %i1, %i4, %i1 -9: EX_LD(LOAD_TWIN(%i1 + %o4, %o2, %o3)) +9: EX_LD(LOAD_TWIN(%i1 + %o4, %o2, %o3), NG_ret_i2_plus_g1) MIX_THREE_WORDS(%g3, %o2, %o3, %i5, GLOBAL_SPARE, %o1) LOAD(prefetch, %i1 + %i3, #one_read) - EX_ST(STORE_INIT(%g3, %o0 + 0x00)) - EX_ST(STORE_INIT(%o2, %o0 + 0x08)) + EX_ST(STORE_INIT(%g3, %o0 + 0x00), NG_ret_i2_plus_g1) + EX_ST(STORE_INIT(%o2, %o0 + 0x08), NG_ret_i2_plus_g1_minus_8) - EX_LD(LOAD_TWIN(%i1 + %o5, %g2, %g3)) + EX_LD(LOAD_TWIN(%i1 + %o5, %g2, %g3), NG_ret_i2_plus_g1_minus_16) MIX_THREE_WORDS(%o3, %g2, %g3, %i5, GLOBAL_SPARE, %o1) - EX_ST(STORE_INIT(%o3, %o0 + 0x10)) - EX_ST(STORE_INIT(%g2, %o0 + 0x18)) + EX_ST(STORE_INIT(%o3, %o0 + 0x10), NG_ret_i2_plus_g1_minus_16) + EX_ST(STORE_INIT(%g2, %o0 + 0x18), NG_ret_i2_plus_g1_minus_24) - EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3)) + EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3), NG_ret_i2_plus_g1_minus_32) MIX_THREE_WORDS(%g3, %o2, %o3, %i5, GLOBAL_SPARE, %o1) - EX_ST(STORE_INIT(%g3, %o0 + 0x20)) - EX_ST(STORE_INIT(%o2, %o0 + 0x28)) + EX_ST(STORE_INIT(%g3, %o0 + 0x20), NG_ret_i2_plus_g1_minus_32) + EX_ST(STORE_INIT(%o2, %o0 + 0x28), NG_ret_i2_plus_g1_minus_40) - EX_LD(LOAD_TWIN(%i1 + %i3, %g2, %g3)) + EX_LD(LOAD_TWIN(%i1 + %i3, %g2, %g3), NG_ret_i2_plus_g1_minus_48) add %i1, 64, %i1 MIX_THREE_WORDS(%o3, %g2, %g3, %i5, GLOBAL_SPARE, %o1) - EX_ST(STORE_INIT(%o3, %o0 + 0x30)) - EX_ST(STORE_INIT(%g2, %o0 + 0x38)) + EX_ST(STORE_INIT(%o3, %o0 + 0x30), NG_ret_i2_plus_g1_minus_48) + EX_ST(STORE_INIT(%g2, %o0 + 0x38), NG_ret_i2_plus_g1_minus_56) subcc %g1, 64, %g1 bne,pt %XCC, 9b @@ -249,25 +332,25 @@ FUNC_NAME: /* %i0=dst, %i1=src, %i2=len */ * one twin load ahead, then add 8 back into source when * we finish the loop. */ - EX_LD(LOAD_TWIN(%i1, %o4, %o5)) + EX_LD(LOAD_TWIN(%i1, %o4, %o5), NG_ret_i2_plus_g1) mov 16, %o7 mov 32, %g2 mov 48, %g3 mov 64, %o1 -1: EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3)) +1: EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3), NG_ret_i2_plus_g1) LOAD(prefetch, %i1 + %o1, #one_read) - EX_ST(STORE_INIT(%o5, %o0 + 0x00)) ! initializes cache line - EX_ST(STORE_INIT(%o2, %o0 + 0x08)) - EX_LD(LOAD_TWIN(%i1 + %g2, %o4, %o5)) - EX_ST(STORE_INIT(%o3, %o0 + 0x10)) - EX_ST(STORE_INIT(%o4, %o0 + 0x18)) - EX_LD(LOAD_TWIN(%i1 + %g3, %o2, %o3)) - EX_ST(STORE_INIT(%o5, %o0 + 0x20)) - EX_ST(STORE_INIT(%o2, %o0 + 0x28)) - EX_LD(LOAD_TWIN(%i1 + %o1, %o4, %o5)) + EX_ST(STORE_INIT(%o5, %o0 + 0x00), NG_ret_i2_plus_g1) ! initializes cache line + EX_ST(STORE_INIT(%o2, %o0 + 0x08), NG_ret_i2_plus_g1_minus_8) + EX_LD(LOAD_TWIN(%i1 + %g2, %o4, %o5), NG_ret_i2_plus_g1_minus_16) + EX_ST(STORE_INIT(%o3, %o0 + 0x10), NG_ret_i2_plus_g1_minus_16) + EX_ST(STORE_INIT(%o4, %o0 + 0x18), NG_ret_i2_plus_g1_minus_24) + EX_LD(LOAD_TWIN(%i1 + %g3, %o2, %o3), NG_ret_i2_plus_g1_minus_32) + EX_ST(STORE_INIT(%o5, %o0 + 0x20), NG_ret_i2_plus_g1_minus_32) + EX_ST(STORE_INIT(%o2, %o0 + 0x28), NG_ret_i2_plus_g1_minus_40) + EX_LD(LOAD_TWIN(%i1 + %o1, %o4, %o5), NG_ret_i2_plus_g1_minus_48) add %i1, 64, %i1 - EX_ST(STORE_INIT(%o3, %o0 + 0x30)) - EX_ST(STORE_INIT(%o4, %o0 + 0x38)) + EX_ST(STORE_INIT(%o3, %o0 + 0x30), NG_ret_i2_plus_g1_minus_48) + EX_ST(STORE_INIT(%o4, %o0 + 0x38), NG_ret_i2_plus_g1_minus_56) subcc %g1, 64, %g1 bne,pt %XCC, 1b add %o0, 64, %o0 @@ -282,20 +365,20 @@ FUNC_NAME: /* %i0=dst, %i1=src, %i2=len */ mov 32, %g2 mov 48, %g3 mov 64, %o1 -1: EX_LD(LOAD_TWIN(%i1 + %g0, %o4, %o5)) - EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3)) +1: EX_LD(LOAD_TWIN(%i1 + %g0, %o4, %o5), NG_ret_i2_plus_g1) + EX_LD(LOAD_TWIN(%i1 + %o7, %o2, %o3), NG_ret_i2_plus_g1) LOAD(prefetch, %i1 + %o1, #one_read) - EX_ST(STORE_INIT(%o4, %o0 + 0x00)) ! initializes cache line - EX_ST(STORE_INIT(%o5, %o0 + 0x08)) - EX_LD(LOAD_TWIN(%i1 + %g2, %o4, %o5)) - EX_ST(STORE_INIT(%o2, %o0 + 0x10)) - EX_ST(STORE_INIT(%o3, %o0 + 0x18)) - EX_LD(LOAD_TWIN(%i1 + %g3, %o2, %o3)) + EX_ST(STORE_INIT(%o4, %o0 + 0x00), NG_ret_i2_plus_g1) ! initializes cache line + EX_ST(STORE_INIT(%o5, %o0 + 0x08), NG_ret_i2_plus_g1_minus_8) + EX_LD(LOAD_TWIN(%i1 + %g2, %o4, %o5), NG_ret_i2_plus_g1_minus_16) + EX_ST(STORE_INIT(%o2, %o0 + 0x10), NG_ret_i2_plus_g1_minus_16) + EX_ST(STORE_INIT(%o3, %o0 + 0x18), NG_ret_i2_plus_g1_minus_24) + EX_LD(LOAD_TWIN(%i1 + %g3, %o2, %o3), NG_ret_i2_plus_g1_minus_32) add %i1, 64, %i1 - EX_ST(STORE_INIT(%o4, %o0 + 0x20)) - EX_ST(STORE_INIT(%o5, %o0 + 0x28)) - EX_ST(STORE_INIT(%o2, %o0 + 0x30)) - EX_ST(STORE_INIT(%o3, %o0 + 0x38)) + EX_ST(STORE_INIT(%o4, %o0 + 0x20), NG_ret_i2_plus_g1_minus_32) + EX_ST(STORE_INIT(%o5, %o0 + 0x28), NG_ret_i2_plus_g1_minus_40) + EX_ST(STORE_INIT(%o2, %o0 + 0x30), NG_ret_i2_plus_g1_minus_48) + EX_ST(STORE_INIT(%o3, %o0 + 0x38), NG_ret_i2_plus_g1_minus_56) subcc %g1, 64, %g1 bne,pt %XCC, 1b add %o0, 64, %o0 @@ -321,28 +404,28 @@ FUNC_NAME: /* %i0=dst, %i1=src, %i2=len */ andn %i2, 0xf, %i4 and %i2, 0xf, %i2 1: subcc %i4, 0x10, %i4 - EX_LD(LOAD(ldx, %i1, %o4)) + EX_LD(LOAD(ldx, %i1, %o4), NG_ret_i2_plus_i4) add %i1, 0x08, %i1 - EX_LD(LOAD(ldx, %i1, %g1)) + EX_LD(LOAD(ldx, %i1, %g1), NG_ret_i2_plus_i4) sub %i1, 0x08, %i1 - EX_ST(STORE(stx, %o4, %i1 + %i3)) + EX_ST(STORE(stx, %o4, %i1 + %i3), NG_ret_i2_plus_i4) add %i1, 0x8, %i1 - EX_ST(STORE(stx, %g1, %i1 + %i3)) + EX_ST(STORE(stx, %g1, %i1 + %i3), NG_ret_i2_plus_i4_minus_8) bgu,pt %XCC, 1b add %i1, 0x8, %i1 73: andcc %i2, 0x8, %g0 be,pt %XCC, 1f nop sub %i2, 0x8, %i2 - EX_LD(LOAD(ldx, %i1, %o4)) - EX_ST(STORE(stx, %o4, %i1 + %i3)) + EX_LD(LOAD(ldx, %i1, %o4), NG_ret_i2_plus_8) + EX_ST(STORE(stx, %o4, %i1 + %i3), NG_ret_i2_plus_8) add %i1, 0x8, %i1 1: andcc %i2, 0x4, %g0 be,pt %XCC, 1f nop sub %i2, 0x4, %i2 - EX_LD(LOAD(lduw, %i1, %i5)) - EX_ST(STORE(stw, %i5, %i1 + %i3)) + EX_LD(LOAD(lduw, %i1, %i5), NG_ret_i2_plus_4) + EX_ST(STORE(stw, %i5, %i1 + %i3), NG_ret_i2_plus_4) add %i1, 0x4, %i1 1: cmp %i2, 0 be,pt %XCC, 85f @@ -358,8 +441,8 @@ FUNC_NAME: /* %i0=dst, %i1=src, %i2=len */ sub %i2, %g1, %i2 1: subcc %g1, 1, %g1 - EX_LD(LOAD(ldub, %i1, %i5)) - EX_ST(STORE(stb, %i5, %i1 + %i3)) + EX_LD(LOAD(ldub, %i1, %i5), NG_ret_i2_plus_g1_plus_1) + EX_ST(STORE(stb, %i5, %i1 + %i3), NG_ret_i2_plus_g1_plus_1) bgu,pt %icc, 1b add %i1, 1, %i1 @@ -375,16 +458,16 @@ FUNC_NAME: /* %i0=dst, %i1=src, %i2=len */ 8: mov 64, %i3 andn %i1, 0x7, %i1 - EX_LD(LOAD(ldx, %i1, %g2)) + EX_LD(LOAD(ldx, %i1, %g2), NG_ret_i2) sub %i3, %g1, %i3 andn %i2, 0x7, %i4 sllx %g2, %g1, %g2 1: add %i1, 0x8, %i1 - EX_LD(LOAD(ldx, %i1, %g3)) + EX_LD(LOAD(ldx, %i1, %g3), NG_ret_i2_and_7_plus_i4) subcc %i4, 0x8, %i4 srlx %g3, %i3, %i5 or %i5, %g2, %i5 - EX_ST(STORE(stx, %i5, %o0)) + EX_ST(STORE(stx, %i5, %o0), NG_ret_i2_and_7_plus_i4) add %o0, 0x8, %o0 bgu,pt %icc, 1b sllx %g3, %g1, %g2 @@ -404,8 +487,8 @@ FUNC_NAME: /* %i0=dst, %i1=src, %i2=len */ 1: subcc %i2, 4, %i2 - EX_LD(LOAD(lduw, %i1, %g1)) - EX_ST(STORE(stw, %g1, %i1 + %i3)) + EX_LD(LOAD(lduw, %i1, %g1), NG_ret_i2_plus_4) + EX_ST(STORE(stw, %g1, %i1 + %i3), NG_ret_i2_plus_4) bgu,pt %XCC, 1b add %i1, 4, %i1 @@ -415,8 +498,8 @@ FUNC_NAME: /* %i0=dst, %i1=src, %i2=len */ .align 32 90: subcc %i2, 1, %i2 - EX_LD(LOAD(ldub, %i1, %g1)) - EX_ST(STORE(stb, %g1, %i1 + %i3)) + EX_LD(LOAD(ldub, %i1, %g1), NG_ret_i2_plus_1) + EX_ST(STORE(stb, %g1, %i1 + %i3), NG_ret_i2_plus_1) bgu,pt %XCC, 90b add %i1, 1, %i1 ret diff --git a/arch/sparc/lib/U1copy_from_user.S b/arch/sparc/lib/U1copy_from_user.S index ecc5692..bb6ff73 100644 --- a/arch/sparc/lib/U1copy_from_user.S +++ b/arch/sparc/lib/U1copy_from_user.S @@ -3,19 +3,19 @@ * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com) */ -#define EX_LD(x) \ +#define EX_LD(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one; \ + .word 98b, y; \ .text; \ .align 4; -#define EX_LD_FP(x) \ +#define EX_LD_FP(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one_fp;\ + .word 98b, y; \ .text; \ .align 4; diff --git a/arch/sparc/lib/U1copy_to_user.S b/arch/sparc/lib/U1copy_to_user.S index 9eea392..ed92ce73 100644 --- a/arch/sparc/lib/U1copy_to_user.S +++ b/arch/sparc/lib/U1copy_to_user.S @@ -3,19 +3,19 @@ * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com) */ -#define EX_ST(x) \ +#define EX_ST(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one; \ + .word 98b, y; \ .text; \ .align 4; -#define EX_ST_FP(x) \ +#define EX_ST_FP(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one_fp;\ + .word 98b, y; \ .text; \ .align 4; diff --git a/arch/sparc/lib/U1memcpy.S b/arch/sparc/lib/U1memcpy.S index 97e1b21..4f0d50b 100644 --- a/arch/sparc/lib/U1memcpy.S +++ b/arch/sparc/lib/U1memcpy.S @@ -5,6 +5,7 @@ */ #ifdef __KERNEL__ +#include <linux/linkage.h> #include <asm/visasm.h> #include <asm/asi.h> #include <asm/export.h> @@ -24,21 +25,17 @@ #endif #ifndef EX_LD -#define EX_LD(x) x +#define EX_LD(x,y) x #endif #ifndef EX_LD_FP -#define EX_LD_FP(x) x +#define EX_LD_FP(x,y) x #endif #ifndef EX_ST -#define EX_ST(x) x +#define EX_ST(x,y) x #endif #ifndef EX_ST_FP -#define EX_ST_FP(x) x -#endif - -#ifndef EX_RETVAL -#define EX_RETVAL(x) x +#define EX_ST_FP(x,y) x #endif #ifndef LOAD @@ -79,53 +76,169 @@ faligndata %f7, %f8, %f60; \ faligndata %f8, %f9, %f62; -#define MAIN_LOOP_CHUNK(src, dest, fdest, fsrc, len, jmptgt) \ - EX_LD_FP(LOAD_BLK(%src, %fdest)); \ - EX_ST_FP(STORE_BLK(%fsrc, %dest)); \ - add %src, 0x40, %src; \ - subcc %len, 0x40, %len; \ - be,pn %xcc, jmptgt; \ - add %dest, 0x40, %dest; \ - -#define LOOP_CHUNK1(src, dest, len, branch_dest) \ - MAIN_LOOP_CHUNK(src, dest, f0, f48, len, branch_dest) -#define LOOP_CHUNK2(src, dest, len, branch_dest) \ - MAIN_LOOP_CHUNK(src, dest, f16, f48, len, branch_dest) -#define LOOP_CHUNK3(src, dest, len, branch_dest) \ - MAIN_LOOP_CHUNK(src, dest, f32, f48, len, branch_dest) +#define MAIN_LOOP_CHUNK(src, dest, fdest, fsrc, jmptgt) \ + EX_LD_FP(LOAD_BLK(%src, %fdest), U1_gs_80_fp); \ + EX_ST_FP(STORE_BLK(%fsrc, %dest), U1_gs_80_fp); \ + add %src, 0x40, %src; \ + subcc %GLOBAL_SPARE, 0x40, %GLOBAL_SPARE; \ + be,pn %xcc, jmptgt; \ + add %dest, 0x40, %dest; \ + +#define LOOP_CHUNK1(src, dest, branch_dest) \ + MAIN_LOOP_CHUNK(src, dest, f0, f48, branch_dest) +#define LOOP_CHUNK2(src, dest, branch_dest) \ + MAIN_LOOP_CHUNK(src, dest, f16, f48, branch_dest) +#define LOOP_CHUNK3(src, dest, branch_dest) \ + MAIN_LOOP_CHUNK(src, dest, f32, f48, branch_dest) #define DO_SYNC membar #Sync; #define STORE_SYNC(dest, fsrc) \ - EX_ST_FP(STORE_BLK(%fsrc, %dest)); \ + EX_ST_FP(STORE_BLK(%fsrc, %dest), U1_gs_80_fp); \ add %dest, 0x40, %dest; \ DO_SYNC #define STORE_JUMP(dest, fsrc, target) \ - EX_ST_FP(STORE_BLK(%fsrc, %dest)); \ + EX_ST_FP(STORE_BLK(%fsrc, %dest), U1_gs_40_fp); \ add %dest, 0x40, %dest; \ ba,pt %xcc, target; \ nop; -#define FINISH_VISCHUNK(dest, f0, f1, left) \ - subcc %left, 8, %left;\ - bl,pn %xcc, 95f; \ - faligndata %f0, %f1, %f48; \ - EX_ST_FP(STORE(std, %f48, %dest)); \ +#define FINISH_VISCHUNK(dest, f0, f1) \ + subcc %g3, 8, %g3; \ + bl,pn %xcc, 95f; \ + faligndata %f0, %f1, %f48; \ + EX_ST_FP(STORE(std, %f48, %dest), U1_g3_8_fp); \ add %dest, 8, %dest; -#define UNEVEN_VISCHUNK_LAST(dest, f0, f1, left) \ - subcc %left, 8, %left; \ - bl,pn %xcc, 95f; \ +#define UNEVEN_VISCHUNK_LAST(dest, f0, f1) \ + subcc %g3, 8, %g3; \ + bl,pn %xcc, 95f; \ fsrc2 %f0, %f1; -#define UNEVEN_VISCHUNK(dest, f0, f1, left) \ - UNEVEN_VISCHUNK_LAST(dest, f0, f1, left) \ +#define UNEVEN_VISCHUNK(dest, f0, f1) \ + UNEVEN_VISCHUNK_LAST(dest, f0, f1) \ ba,a,pt %xcc, 93f; .register %g2,#scratch .register %g3,#scratch .text +#ifndef EX_RETVAL +#define EX_RETVAL(x) x +ENTRY(U1_g1_1_fp) + VISExitHalf + add %g1, 1, %g1 + add %g1, %g2, %g1 + retl + add %g1, %o2, %o0 +ENDPROC(U1_g1_1_fp) +ENTRY(U1_g2_0_fp) + VISExitHalf + retl + add %g2, %o2, %o0 +ENDPROC(U1_g2_0_fp) +ENTRY(U1_g2_8_fp) + VISExitHalf + add %g2, 8, %g2 + retl + add %g2, %o2, %o0 +ENDPROC(U1_g2_8_fp) +ENTRY(U1_gs_0_fp) + VISExitHalf + add %GLOBAL_SPARE, %g3, %o0 + retl + add %o0, %o2, %o0 +ENDPROC(U1_gs_0_fp) +ENTRY(U1_gs_80_fp) + VISExitHalf + add %GLOBAL_SPARE, 0x80, %GLOBAL_SPARE + add %GLOBAL_SPARE, %g3, %o0 + retl + add %o0, %o2, %o0 +ENDPROC(U1_gs_80_fp) +ENTRY(U1_gs_40_fp) + VISExitHalf + add %GLOBAL_SPARE, 0x40, %GLOBAL_SPARE + add %GLOBAL_SPARE, %g3, %o0 + retl + add %o0, %o2, %o0 +ENDPROC(U1_gs_40_fp) +ENTRY(U1_g3_0_fp) + VISExitHalf + retl + add %g3, %o2, %o0 +ENDPROC(U1_g3_0_fp) +ENTRY(U1_g3_8_fp) + VISExitHalf + add %g3, 8, %g3 + retl + add %g3, %o2, %o0 +ENDPROC(U1_g3_8_fp) +ENTRY(U1_o2_0_fp) + VISExitHalf + retl + mov %o2, %o0 +ENDPROC(U1_o2_0_fp) +ENTRY(U1_o2_1_fp) + VISExitHalf + retl + add %o2, 1, %o0 +ENDPROC(U1_o2_1_fp) +ENTRY(U1_gs_0) + VISExitHalf + retl + add %GLOBAL_SPARE, %o2, %o0 +ENDPROC(U1_gs_0) +ENTRY(U1_gs_8) + VISExitHalf + add %GLOBAL_SPARE, %o2, %GLOBAL_SPARE + retl + add %GLOBAL_SPARE, 0x8, %o0 +ENDPROC(U1_gs_8) +ENTRY(U1_gs_10) + VISExitHalf + add %GLOBAL_SPARE, %o2, %GLOBAL_SPARE + retl + add %GLOBAL_SPARE, 0x10, %o0 +ENDPROC(U1_gs_10) +ENTRY(U1_o2_0) + retl + mov %o2, %o0 +ENDPROC(U1_o2_0) +ENTRY(U1_o2_8) + retl + add %o2, 8, %o0 +ENDPROC(U1_o2_8) +ENTRY(U1_o2_4) + retl + add %o2, 4, %o0 +ENDPROC(U1_o2_4) +ENTRY(U1_o2_1) + retl + add %o2, 1, %o0 +ENDPROC(U1_o2_1) +ENTRY(U1_g1_0) + retl + add %g1, %o2, %o0 +ENDPROC(U1_g1_0) +ENTRY(U1_g1_1) + add %g1, 1, %g1 + retl + add %g1, %o2, %o0 +ENDPROC(U1_g1_1) +ENTRY(U1_gs_0_o2_adj) + and %o2, 7, %o2 + retl + add %GLOBAL_SPARE, %o2, %o0 +ENDPROC(U1_gs_0_o2_adj) +ENTRY(U1_gs_8_o2_adj) + and %o2, 7, %o2 + add %GLOBAL_SPARE, 8, %GLOBAL_SPARE + retl + add %GLOBAL_SPARE, %o2, %o0 +ENDPROC(U1_gs_8_o2_adj) +#endif + .align 64 .globl FUNC_NAME @@ -167,8 +280,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ and %g2, 0x38, %g2 1: subcc %g1, 0x1, %g1 - EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3)) - EX_ST_FP(STORE(stb, %o3, %o1 + %GLOBAL_SPARE)) + EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3), U1_g1_1_fp) + EX_ST_FP(STORE(stb, %o3, %o1 + %GLOBAL_SPARE), U1_g1_1_fp) bgu,pt %XCC, 1b add %o1, 0x1, %o1 @@ -179,20 +292,20 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ be,pt %icc, 3f alignaddr %o1, %g0, %o1 - EX_LD_FP(LOAD(ldd, %o1, %f4)) -1: EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6)) + EX_LD_FP(LOAD(ldd, %o1, %f4), U1_g2_0_fp) +1: EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6), U1_g2_0_fp) add %o1, 0x8, %o1 subcc %g2, 0x8, %g2 faligndata %f4, %f6, %f0 - EX_ST_FP(STORE(std, %f0, %o0)) + EX_ST_FP(STORE(std, %f0, %o0), U1_g2_8_fp) be,pn %icc, 3f add %o0, 0x8, %o0 - EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4)) + EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4), U1_g2_0_fp) add %o1, 0x8, %o1 subcc %g2, 0x8, %g2 faligndata %f6, %f4, %f0 - EX_ST_FP(STORE(std, %f0, %o0)) + EX_ST_FP(STORE(std, %f0, %o0), U1_g2_8_fp) bne,pt %icc, 1b add %o0, 0x8, %o0 @@ -215,13 +328,13 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ add %g1, %GLOBAL_SPARE, %g1 subcc %o2, %g3, %o2 - EX_LD_FP(LOAD_BLK(%o1, %f0)) + EX_LD_FP(LOAD_BLK(%o1, %f0), U1_gs_0_fp) add %o1, 0x40, %o1 add %g1, %g3, %g1 - EX_LD_FP(LOAD_BLK(%o1, %f16)) + EX_LD_FP(LOAD_BLK(%o1, %f16), U1_gs_0_fp) add %o1, 0x40, %o1 sub %GLOBAL_SPARE, 0x80, %GLOBAL_SPARE - EX_LD_FP(LOAD_BLK(%o1, %f32)) + EX_LD_FP(LOAD_BLK(%o1, %f32), U1_gs_80_fp) add %o1, 0x40, %o1 /* There are 8 instances of the unrolled loop, @@ -241,11 +354,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ .align 64 1: FREG_FROB(f0, f2, f4, f6, f8, f10,f12,f14,f16) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) + LOOP_CHUNK1(o1, o0, 1f) FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) + LOOP_CHUNK2(o1, o0, 2f) FREG_FROB(f32,f34,f36,f38,f40,f42,f44,f46,f0) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) + LOOP_CHUNK3(o1, o0, 3f) ba,pt %xcc, 1b+4 faligndata %f0, %f2, %f48 1: FREG_FROB(f16,f18,f20,f22,f24,f26,f28,f30,f32) @@ -262,11 +375,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ STORE_JUMP(o0, f48, 56f) 1: FREG_FROB(f2, f4, f6, f8, f10,f12,f14,f16,f18) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) + LOOP_CHUNK1(o1, o0, 1f) FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) + LOOP_CHUNK2(o1, o0, 2f) FREG_FROB(f34,f36,f38,f40,f42,f44,f46,f0, f2) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) + LOOP_CHUNK3(o1, o0, 3f) ba,pt %xcc, 1b+4 faligndata %f2, %f4, %f48 1: FREG_FROB(f18,f20,f22,f24,f26,f28,f30,f32,f34) @@ -283,11 +396,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ STORE_JUMP(o0, f48, 57f) 1: FREG_FROB(f4, f6, f8, f10,f12,f14,f16,f18,f20) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) + LOOP_CHUNK1(o1, o0, 1f) FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) + LOOP_CHUNK2(o1, o0, 2f) FREG_FROB(f36,f38,f40,f42,f44,f46,f0, f2, f4) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) + LOOP_CHUNK3(o1, o0, 3f) ba,pt %xcc, 1b+4 faligndata %f4, %f6, %f48 1: FREG_FROB(f20,f22,f24,f26,f28,f30,f32,f34,f36) @@ -304,11 +417,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ STORE_JUMP(o0, f48, 58f) 1: FREG_FROB(f6, f8, f10,f12,f14,f16,f18,f20,f22) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) + LOOP_CHUNK1(o1, o0, 1f) FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) + LOOP_CHUNK2(o1, o0, 2f) FREG_FROB(f38,f40,f42,f44,f46,f0, f2, f4, f6) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) + LOOP_CHUNK3(o1, o0, 3f) ba,pt %xcc, 1b+4 faligndata %f6, %f8, %f48 1: FREG_FROB(f22,f24,f26,f28,f30,f32,f34,f36,f38) @@ -325,11 +438,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ STORE_JUMP(o0, f48, 59f) 1: FREG_FROB(f8, f10,f12,f14,f16,f18,f20,f22,f24) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) + LOOP_CHUNK1(o1, o0, 1f) FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) + LOOP_CHUNK2(o1, o0, 2f) FREG_FROB(f40,f42,f44,f46,f0, f2, f4, f6, f8) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) + LOOP_CHUNK3(o1, o0, 3f) ba,pt %xcc, 1b+4 faligndata %f8, %f10, %f48 1: FREG_FROB(f24,f26,f28,f30,f32,f34,f36,f38,f40) @@ -346,11 +459,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ STORE_JUMP(o0, f48, 60f) 1: FREG_FROB(f10,f12,f14,f16,f18,f20,f22,f24,f26) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) + LOOP_CHUNK1(o1, o0, 1f) FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) + LOOP_CHUNK2(o1, o0, 2f) FREG_FROB(f42,f44,f46,f0, f2, f4, f6, f8, f10) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) + LOOP_CHUNK3(o1, o0, 3f) ba,pt %xcc, 1b+4 faligndata %f10, %f12, %f48 1: FREG_FROB(f26,f28,f30,f32,f34,f36,f38,f40,f42) @@ -367,11 +480,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ STORE_JUMP(o0, f48, 61f) 1: FREG_FROB(f12,f14,f16,f18,f20,f22,f24,f26,f28) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) + LOOP_CHUNK1(o1, o0, 1f) FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) + LOOP_CHUNK2(o1, o0, 2f) FREG_FROB(f44,f46,f0, f2, f4, f6, f8, f10,f12) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) + LOOP_CHUNK3(o1, o0, 3f) ba,pt %xcc, 1b+4 faligndata %f12, %f14, %f48 1: FREG_FROB(f28,f30,f32,f34,f36,f38,f40,f42,f44) @@ -388,11 +501,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ STORE_JUMP(o0, f48, 62f) 1: FREG_FROB(f14,f16,f18,f20,f22,f24,f26,f28,f30) - LOOP_CHUNK1(o1, o0, GLOBAL_SPARE, 1f) + LOOP_CHUNK1(o1, o0, 1f) FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) - LOOP_CHUNK2(o1, o0, GLOBAL_SPARE, 2f) + LOOP_CHUNK2(o1, o0, 2f) FREG_FROB(f46,f0, f2, f4, f6, f8, f10,f12,f14) - LOOP_CHUNK3(o1, o0, GLOBAL_SPARE, 3f) + LOOP_CHUNK3(o1, o0, 3f) ba,pt %xcc, 1b+4 faligndata %f14, %f16, %f48 1: FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) @@ -408,53 +521,53 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ FREG_FROB(f30,f32,f34,f36,f38,f40,f42,f44,f46) STORE_JUMP(o0, f48, 63f) -40: FINISH_VISCHUNK(o0, f0, f2, g3) -41: FINISH_VISCHUNK(o0, f2, f4, g3) -42: FINISH_VISCHUNK(o0, f4, f6, g3) -43: FINISH_VISCHUNK(o0, f6, f8, g3) -44: FINISH_VISCHUNK(o0, f8, f10, g3) -45: FINISH_VISCHUNK(o0, f10, f12, g3) -46: FINISH_VISCHUNK(o0, f12, f14, g3) -47: UNEVEN_VISCHUNK(o0, f14, f0, g3) -48: FINISH_VISCHUNK(o0, f16, f18, g3) -49: FINISH_VISCHUNK(o0, f18, f20, g3) -50: FINISH_VISCHUNK(o0, f20, f22, g3) -51: FINISH_VISCHUNK(o0, f22, f24, g3) -52: FINISH_VISCHUNK(o0, f24, f26, g3) -53: FINISH_VISCHUNK(o0, f26, f28, g3) -54: FINISH_VISCHUNK(o0, f28, f30, g3) -55: UNEVEN_VISCHUNK(o0, f30, f0, g3) -56: FINISH_VISCHUNK(o0, f32, f34, g3) -57: FINISH_VISCHUNK(o0, f34, f36, g3) -58: FINISH_VISCHUNK(o0, f36, f38, g3) -59: FINISH_VISCHUNK(o0, f38, f40, g3) -60: FINISH_VISCHUNK(o0, f40, f42, g3) -61: FINISH_VISCHUNK(o0, f42, f44, g3) -62: FINISH_VISCHUNK(o0, f44, f46, g3) -63: UNEVEN_VISCHUNK_LAST(o0, f46, f0, g3) - -93: EX_LD_FP(LOAD(ldd, %o1, %f2)) +40: FINISH_VISCHUNK(o0, f0, f2) +41: FINISH_VISCHUNK(o0, f2, f4) +42: FINISH_VISCHUNK(o0, f4, f6) +43: FINISH_VISCHUNK(o0, f6, f8) +44: FINISH_VISCHUNK(o0, f8, f10) +45: FINISH_VISCHUNK(o0, f10, f12) +46: FINISH_VISCHUNK(o0, f12, f14) +47: UNEVEN_VISCHUNK(o0, f14, f0) +48: FINISH_VISCHUNK(o0, f16, f18) +49: FINISH_VISCHUNK(o0, f18, f20) +50: FINISH_VISCHUNK(o0, f20, f22) +51: FINISH_VISCHUNK(o0, f22, f24) +52: FINISH_VISCHUNK(o0, f24, f26) +53: FINISH_VISCHUNK(o0, f26, f28) +54: FINISH_VISCHUNK(o0, f28, f30) +55: UNEVEN_VISCHUNK(o0, f30, f0) +56: FINISH_VISCHUNK(o0, f32, f34) +57: FINISH_VISCHUNK(o0, f34, f36) +58: FINISH_VISCHUNK(o0, f36, f38) +59: FINISH_VISCHUNK(o0, f38, f40) +60: FINISH_VISCHUNK(o0, f40, f42) +61: FINISH_VISCHUNK(o0, f42, f44) +62: FINISH_VISCHUNK(o0, f44, f46) +63: UNEVEN_VISCHUNK_LAST(o0, f46, f0) + +93: EX_LD_FP(LOAD(ldd, %o1, %f2), U1_g3_0_fp) add %o1, 8, %o1 subcc %g3, 8, %g3 faligndata %f0, %f2, %f8 - EX_ST_FP(STORE(std, %f8, %o0)) + EX_ST_FP(STORE(std, %f8, %o0), U1_g3_8_fp) bl,pn %xcc, 95f add %o0, 8, %o0 - EX_LD_FP(LOAD(ldd, %o1, %f0)) + EX_LD_FP(LOAD(ldd, %o1, %f0), U1_g3_0_fp) add %o1, 8, %o1 subcc %g3, 8, %g3 faligndata %f2, %f0, %f8 - EX_ST_FP(STORE(std, %f8, %o0)) + EX_ST_FP(STORE(std, %f8, %o0), U1_g3_8_fp) bge,pt %xcc, 93b add %o0, 8, %o0 95: brz,pt %o2, 2f mov %g1, %o1 -1: EX_LD_FP(LOAD(ldub, %o1, %o3)) +1: EX_LD_FP(LOAD(ldub, %o1, %o3), U1_o2_0_fp) add %o1, 1, %o1 subcc %o2, 1, %o2 - EX_ST_FP(STORE(stb, %o3, %o0)) + EX_ST_FP(STORE(stb, %o3, %o0), U1_o2_1_fp) bne,pt %xcc, 1b add %o0, 1, %o0 @@ -470,27 +583,27 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 72: andn %o2, 0xf, %GLOBAL_SPARE and %o2, 0xf, %o2 -1: EX_LD(LOAD(ldx, %o1 + 0x00, %o5)) - EX_LD(LOAD(ldx, %o1 + 0x08, %g1)) +1: EX_LD(LOAD(ldx, %o1 + 0x00, %o5), U1_gs_0) + EX_LD(LOAD(ldx, %o1 + 0x08, %g1), U1_gs_0) subcc %GLOBAL_SPARE, 0x10, %GLOBAL_SPARE - EX_ST(STORE(stx, %o5, %o1 + %o3)) + EX_ST(STORE(stx, %o5, %o1 + %o3), U1_gs_10) add %o1, 0x8, %o1 - EX_ST(STORE(stx, %g1, %o1 + %o3)) + EX_ST(STORE(stx, %g1, %o1 + %o3), U1_gs_8) bgu,pt %XCC, 1b add %o1, 0x8, %o1 73: andcc %o2, 0x8, %g0 be,pt %XCC, 1f nop - EX_LD(LOAD(ldx, %o1, %o5)) + EX_LD(LOAD(ldx, %o1, %o5), U1_o2_0) sub %o2, 0x8, %o2 - EX_ST(STORE(stx, %o5, %o1 + %o3)) + EX_ST(STORE(stx, %o5, %o1 + %o3), U1_o2_8) add %o1, 0x8, %o1 1: andcc %o2, 0x4, %g0 be,pt %XCC, 1f nop - EX_LD(LOAD(lduw, %o1, %o5)) + EX_LD(LOAD(lduw, %o1, %o5), U1_o2_0) sub %o2, 0x4, %o2 - EX_ST(STORE(stw, %o5, %o1 + %o3)) + EX_ST(STORE(stw, %o5, %o1 + %o3), U1_o2_4) add %o1, 0x4, %o1 1: cmp %o2, 0 be,pt %XCC, 85f @@ -504,9 +617,9 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ sub %g0, %g1, %g1 sub %o2, %g1, %o2 -1: EX_LD(LOAD(ldub, %o1, %o5)) +1: EX_LD(LOAD(ldub, %o1, %o5), U1_g1_0) subcc %g1, 1, %g1 - EX_ST(STORE(stb, %o5, %o1 + %o3)) + EX_ST(STORE(stb, %o5, %o1 + %o3), U1_g1_1) bgu,pt %icc, 1b add %o1, 1, %o1 @@ -522,16 +635,16 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 8: mov 64, %o3 andn %o1, 0x7, %o1 - EX_LD(LOAD(ldx, %o1, %g2)) + EX_LD(LOAD(ldx, %o1, %g2), U1_o2_0) sub %o3, %g1, %o3 andn %o2, 0x7, %GLOBAL_SPARE sllx %g2, %g1, %g2 -1: EX_LD(LOAD(ldx, %o1 + 0x8, %g3)) +1: EX_LD(LOAD(ldx, %o1 + 0x8, %g3), U1_gs_0_o2_adj) subcc %GLOBAL_SPARE, 0x8, %GLOBAL_SPARE add %o1, 0x8, %o1 srlx %g3, %o3, %o5 or %o5, %g2, %o5 - EX_ST(STORE(stx, %o5, %o0)) + EX_ST(STORE(stx, %o5, %o0), U1_gs_8_o2_adj) add %o0, 0x8, %o0 bgu,pt %icc, 1b sllx %g3, %g1, %g2 @@ -549,9 +662,9 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ bne,pn %XCC, 90f sub %o0, %o1, %o3 -1: EX_LD(LOAD(lduw, %o1, %g1)) +1: EX_LD(LOAD(lduw, %o1, %g1), U1_o2_0) subcc %o2, 4, %o2 - EX_ST(STORE(stw, %g1, %o1 + %o3)) + EX_ST(STORE(stw, %g1, %o1 + %o3), U1_o2_4) bgu,pt %XCC, 1b add %o1, 4, %o1 @@ -559,9 +672,9 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ mov EX_RETVAL(%o4), %o0 .align 32 -90: EX_LD(LOAD(ldub, %o1, %g1)) +90: EX_LD(LOAD(ldub, %o1, %g1), U1_o2_0) subcc %o2, 1, %o2 - EX_ST(STORE(stb, %g1, %o1 + %o3)) + EX_ST(STORE(stb, %g1, %o1 + %o3), U1_o2_1) bgu,pt %XCC, 90b add %o1, 1, %o1 retl diff --git a/arch/sparc/lib/U3copy_from_user.S b/arch/sparc/lib/U3copy_from_user.S index 88ad73d..db73010 100644 --- a/arch/sparc/lib/U3copy_from_user.S +++ b/arch/sparc/lib/U3copy_from_user.S @@ -3,19 +3,19 @@ * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com) */ -#define EX_LD(x) \ +#define EX_LD(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one; \ + .word 98b, y; \ .text; \ .align 4; -#define EX_LD_FP(x) \ +#define EX_LD_FP(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one_fp;\ + .word 98b, y##_fp; \ .text; \ .align 4; diff --git a/arch/sparc/lib/U3copy_to_user.S b/arch/sparc/lib/U3copy_to_user.S index 845139d..c4ee858 100644 --- a/arch/sparc/lib/U3copy_to_user.S +++ b/arch/sparc/lib/U3copy_to_user.S @@ -3,19 +3,19 @@ * Copyright (C) 1999, 2000, 2004 David S. Miller (davem@redhat.com) */ -#define EX_ST(x) \ +#define EX_ST(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one; \ + .word 98b, y; \ .text; \ .align 4; -#define EX_ST_FP(x) \ +#define EX_ST_FP(x,y) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one_fp;\ + .word 98b, y##_fp; \ .text; \ .align 4; diff --git a/arch/sparc/lib/U3memcpy.S b/arch/sparc/lib/U3memcpy.S index 491ee69..54f9870 100644 --- a/arch/sparc/lib/U3memcpy.S +++ b/arch/sparc/lib/U3memcpy.S @@ -4,6 +4,7 @@ */ #ifdef __KERNEL__ +#include <linux/linkage.h> #include <asm/visasm.h> #include <asm/asi.h> #define GLOBAL_SPARE %g7 @@ -22,21 +23,17 @@ #endif #ifndef EX_LD -#define EX_LD(x) x +#define EX_LD(x,y) x #endif #ifndef EX_LD_FP -#define EX_LD_FP(x) x +#define EX_LD_FP(x,y) x #endif #ifndef EX_ST -#define EX_ST(x) x +#define EX_ST(x,y) x #endif #ifndef EX_ST_FP -#define EX_ST_FP(x) x -#endif - -#ifndef EX_RETVAL -#define EX_RETVAL(x) x +#define EX_ST_FP(x,y) x #endif #ifndef LOAD @@ -77,6 +74,87 @@ */ .text +#ifndef EX_RETVAL +#define EX_RETVAL(x) x +__restore_fp: + VISExitHalf + retl + nop +ENTRY(U3_retl_o2_plus_g2_plus_g1_plus_1_fp) + add %g1, 1, %g1 + add %g2, %g1, %g2 + ba,pt %xcc, __restore_fp + add %o2, %g2, %o0 +ENDPROC(U3_retl_o2_plus_g2_plus_g1_plus_1_fp) +ENTRY(U3_retl_o2_plus_g2_fp) + ba,pt %xcc, __restore_fp + add %o2, %g2, %o0 +ENDPROC(U3_retl_o2_plus_g2_fp) +ENTRY(U3_retl_o2_plus_g2_plus_8_fp) + add %g2, 8, %g2 + ba,pt %xcc, __restore_fp + add %o2, %g2, %o0 +ENDPROC(U3_retl_o2_plus_g2_plus_8_fp) +ENTRY(U3_retl_o2) + retl + mov %o2, %o0 +ENDPROC(U3_retl_o2) +ENTRY(U3_retl_o2_plus_1) + retl + add %o2, 1, %o0 +ENDPROC(U3_retl_o2_plus_1) +ENTRY(U3_retl_o2_plus_4) + retl + add %o2, 4, %o0 +ENDPROC(U3_retl_o2_plus_4) +ENTRY(U3_retl_o2_plus_8) + retl + add %o2, 8, %o0 +ENDPROC(U3_retl_o2_plus_8) +ENTRY(U3_retl_o2_plus_g1_plus_1) + add %g1, 1, %g1 + retl + add %o2, %g1, %o0 +ENDPROC(U3_retl_o2_plus_g1_plus_1) +ENTRY(U3_retl_o2_fp) + ba,pt %xcc, __restore_fp + mov %o2, %o0 +ENDPROC(U3_retl_o2_fp) +ENTRY(U3_retl_o2_plus_o3_sll_6_plus_0x80_fp) + sll %o3, 6, %o3 + add %o3, 0x80, %o3 + ba,pt %xcc, __restore_fp + add %o2, %o3, %o0 +ENDPROC(U3_retl_o2_plus_o3_sll_6_plus_0x80_fp) +ENTRY(U3_retl_o2_plus_o3_sll_6_plus_0x40_fp) + sll %o3, 6, %o3 + add %o3, 0x40, %o3 + ba,pt %xcc, __restore_fp + add %o2, %o3, %o0 +ENDPROC(U3_retl_o2_plus_o3_sll_6_plus_0x40_fp) +ENTRY(U3_retl_o2_plus_GS_plus_0x10) + add GLOBAL_SPARE, 0x10, GLOBAL_SPARE + retl + add %o2, GLOBAL_SPARE, %o0 +ENDPROC(U3_retl_o2_plus_GS_plus_0x10) +ENTRY(U3_retl_o2_plus_GS_plus_0x08) + add GLOBAL_SPARE, 0x08, GLOBAL_SPARE + retl + add %o2, GLOBAL_SPARE, %o0 +ENDPROC(U3_retl_o2_plus_GS_plus_0x08) +ENTRY(U3_retl_o2_and_7_plus_GS) + and %o2, 7, %o2 + retl + add %o2, GLOBAL_SPARE, %o2 +ENDPROC(U3_retl_o2_and_7_plus_GS) +ENTRY(U3_retl_o2_and_7_plus_GS_plus_8) + add GLOBAL_SPARE, 8, GLOBAL_SPARE + and %o2, 7, %o2 + retl + add %o2, GLOBAL_SPARE, %o2 +ENDPROC(U3_retl_o2_and_7_plus_GS_plus_8) +#endif + .align 64 /* The cheetah's flexible spine, oversized liver, enlarged heart, @@ -126,8 +204,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ and %g2, 0x38, %g2 1: subcc %g1, 0x1, %g1 - EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3)) - EX_ST_FP(STORE(stb, %o3, %o1 + GLOBAL_SPARE)) + EX_LD_FP(LOAD(ldub, %o1 + 0x00, %o3), U3_retl_o2_plus_g2_plus_g1_plus_1) + EX_ST_FP(STORE(stb, %o3, %o1 + GLOBAL_SPARE), U3_retl_o2_plus_g2_plus_g1_plus_1) bgu,pt %XCC, 1b add %o1, 0x1, %o1 @@ -138,20 +216,20 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ be,pt %icc, 3f alignaddr %o1, %g0, %o1 - EX_LD_FP(LOAD(ldd, %o1, %f4)) -1: EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6)) + EX_LD_FP(LOAD(ldd, %o1, %f4), U3_retl_o2_plus_g2) +1: EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f6), U3_retl_o2_plus_g2) add %o1, 0x8, %o1 subcc %g2, 0x8, %g2 faligndata %f4, %f6, %f0 - EX_ST_FP(STORE(std, %f0, %o0)) + EX_ST_FP(STORE(std, %f0, %o0), U3_retl_o2_plus_g2_plus_8) be,pn %icc, 3f add %o0, 0x8, %o0 - EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4)) + EX_LD_FP(LOAD(ldd, %o1 + 0x8, %f4), U3_retl_o2_plus_g2) add %o1, 0x8, %o1 subcc %g2, 0x8, %g2 faligndata %f6, %f4, %f2 - EX_ST_FP(STORE(std, %f2, %o0)) + EX_ST_FP(STORE(std, %f2, %o0), U3_retl_o2_plus_g2_plus_8) bne,pt %icc, 1b add %o0, 0x8, %o0 @@ -161,25 +239,25 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ LOAD(prefetch, %o1 + 0x080, #one_read) LOAD(prefetch, %o1 + 0x0c0, #one_read) LOAD(prefetch, %o1 + 0x100, #one_read) - EX_LD_FP(LOAD(ldd, %o1 + 0x000, %f0)) + EX_LD_FP(LOAD(ldd, %o1 + 0x000, %f0), U3_retl_o2) LOAD(prefetch, %o1 + 0x140, #one_read) - EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2)) + EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2), U3_retl_o2) LOAD(prefetch, %o1 + 0x180, #one_read) - EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4)) + EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4), U3_retl_o2) LOAD(prefetch, %o1 + 0x1c0, #one_read) faligndata %f0, %f2, %f16 - EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6)) + EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6), U3_retl_o2) faligndata %f2, %f4, %f18 - EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8)) + EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8), U3_retl_o2) faligndata %f4, %f6, %f20 - EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10)) + EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10), U3_retl_o2) faligndata %f6, %f8, %f22 - EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12)) + EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12), U3_retl_o2) faligndata %f8, %f10, %f24 - EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14)) + EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14), U3_retl_o2) faligndata %f10, %f12, %f26 - EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0)) + EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0), U3_retl_o2) subcc GLOBAL_SPARE, 0x80, GLOBAL_SPARE add %o1, 0x40, %o1 @@ -190,26 +268,26 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ .align 64 1: - EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2)) + EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2), U3_retl_o2_plus_o3_sll_6_plus_0x80) faligndata %f12, %f14, %f28 - EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4)) + EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4), U3_retl_o2_plus_o3_sll_6_plus_0x80) faligndata %f14, %f0, %f30 - EX_ST_FP(STORE_BLK(%f16, %o0)) - EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6)) + EX_ST_FP(STORE_BLK(%f16, %o0), U3_retl_o2_plus_o3_sll_6_plus_0x80) + EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6), U3_retl_o2_plus_o3_sll_6_plus_0x40) faligndata %f0, %f2, %f16 add %o0, 0x40, %o0 - EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8)) + EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8), U3_retl_o2_plus_o3_sll_6_plus_0x40) faligndata %f2, %f4, %f18 - EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10)) + EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10), U3_retl_o2_plus_o3_sll_6_plus_0x40) faligndata %f4, %f6, %f20 - EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12)) + EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12), U3_retl_o2_plus_o3_sll_6_plus_0x40) subcc %o3, 0x01, %o3 faligndata %f6, %f8, %f22 - EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14)) + EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14), U3_retl_o2_plus_o3_sll_6_plus_0x80) faligndata %f8, %f10, %f24 - EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0)) + EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0), U3_retl_o2_plus_o3_sll_6_plus_0x80) LOAD(prefetch, %o1 + 0x1c0, #one_read) faligndata %f10, %f12, %f26 bg,pt %XCC, 1b @@ -217,29 +295,29 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ /* Finally we copy the last full 64-byte block. */ 2: - EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2)) + EX_LD_FP(LOAD(ldd, %o1 + 0x008, %f2), U3_retl_o2_plus_o3_sll_6_plus_0x80) faligndata %f12, %f14, %f28 - EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4)) + EX_LD_FP(LOAD(ldd, %o1 + 0x010, %f4), U3_retl_o2_plus_o3_sll_6_plus_0x80) faligndata %f14, %f0, %f30 - EX_ST_FP(STORE_BLK(%f16, %o0)) - EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6)) + EX_ST_FP(STORE_BLK(%f16, %o0), U3_retl_o2_plus_o3_sll_6_plus_0x80) + EX_LD_FP(LOAD(ldd, %o1 + 0x018, %f6), U3_retl_o2_plus_o3_sll_6_plus_0x40) faligndata %f0, %f2, %f16 - EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8)) + EX_LD_FP(LOAD(ldd, %o1 + 0x020, %f8), U3_retl_o2_plus_o3_sll_6_plus_0x40) faligndata %f2, %f4, %f18 - EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10)) + EX_LD_FP(LOAD(ldd, %o1 + 0x028, %f10), U3_retl_o2_plus_o3_sll_6_plus_0x40) faligndata %f4, %f6, %f20 - EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12)) + EX_LD_FP(LOAD(ldd, %o1 + 0x030, %f12), U3_retl_o2_plus_o3_sll_6_plus_0x40) faligndata %f6, %f8, %f22 - EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14)) + EX_LD_FP(LOAD(ldd, %o1 + 0x038, %f14), U3_retl_o2_plus_o3_sll_6_plus_0x40) faligndata %f8, %f10, %f24 cmp %g1, 0 be,pt %XCC, 1f add %o0, 0x40, %o0 - EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0)) + EX_LD_FP(LOAD(ldd, %o1 + 0x040, %f0), U3_retl_o2_plus_o3_sll_6_plus_0x40) 1: faligndata %f10, %f12, %f26 faligndata %f12, %f14, %f28 faligndata %f14, %f0, %f30 - EX_ST_FP(STORE_BLK(%f16, %o0)) + EX_ST_FP(STORE_BLK(%f16, %o0), U3_retl_o2_plus_o3_sll_6_plus_0x40) add %o0, 0x40, %o0 add %o1, 0x40, %o1 membar #Sync @@ -259,20 +337,20 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ sub %o2, %g2, %o2 be,a,pt %XCC, 1f - EX_LD_FP(LOAD(ldd, %o1 + 0x00, %f0)) + EX_LD_FP(LOAD(ldd, %o1 + 0x00, %f0), U3_retl_o2_plus_g2) -1: EX_LD_FP(LOAD(ldd, %o1 + 0x08, %f2)) +1: EX_LD_FP(LOAD(ldd, %o1 + 0x08, %f2), U3_retl_o2_plus_g2) add %o1, 0x8, %o1 subcc %g2, 0x8, %g2 faligndata %f0, %f2, %f8 - EX_ST_FP(STORE(std, %f8, %o0)) + EX_ST_FP(STORE(std, %f8, %o0), U3_retl_o2_plus_g2_plus_8) be,pn %XCC, 2f add %o0, 0x8, %o0 - EX_LD_FP(LOAD(ldd, %o1 + 0x08, %f0)) + EX_LD_FP(LOAD(ldd, %o1 + 0x08, %f0), U3_retl_o2_plus_g2) add %o1, 0x8, %o1 subcc %g2, 0x8, %g2 faligndata %f2, %f0, %f8 - EX_ST_FP(STORE(std, %f8, %o0)) + EX_ST_FP(STORE(std, %f8, %o0), U3_retl_o2_plus_g2_plus_8) bne,pn %XCC, 1b add %o0, 0x8, %o0 @@ -292,30 +370,33 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ andcc %o2, 0x8, %g0 be,pt %icc, 1f nop - EX_LD(LOAD(ldx, %o1, %o5)) - EX_ST(STORE(stx, %o5, %o1 + %o3)) + EX_LD(LOAD(ldx, %o1, %o5), U3_retl_o2) + EX_ST(STORE(stx, %o5, %o1 + %o3), U3_retl_o2) add %o1, 0x8, %o1 + sub %o2, 8, %o2 1: andcc %o2, 0x4, %g0 be,pt %icc, 1f nop - EX_LD(LOAD(lduw, %o1, %o5)) - EX_ST(STORE(stw, %o5, %o1 + %o3)) + EX_LD(LOAD(lduw, %o1, %o5), U3_retl_o2) + EX_ST(STORE(stw, %o5, %o1 + %o3), U3_retl_o2) add %o1, 0x4, %o1 + sub %o2, 4, %o2 1: andcc %o2, 0x2, %g0 be,pt %icc, 1f nop - EX_LD(LOAD(lduh, %o1, %o5)) - EX_ST(STORE(sth, %o5, %o1 + %o3)) + EX_LD(LOAD(lduh, %o1, %o5), U3_retl_o2) + EX_ST(STORE(sth, %o5, %o1 + %o3), U3_retl_o2) add %o1, 0x2, %o1 + sub %o2, 2, %o2 1: andcc %o2, 0x1, %g0 be,pt %icc, 85f nop - EX_LD(LOAD(ldub, %o1, %o5)) + EX_LD(LOAD(ldub, %o1, %o5), U3_retl_o2) ba,pt %xcc, 85f - EX_ST(STORE(stb, %o5, %o1 + %o3)) + EX_ST(STORE(stb, %o5, %o1 + %o3), U3_retl_o2) .align 64 70: /* 16 < len <= 64 */ @@ -326,26 +407,26 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ andn %o2, 0xf, GLOBAL_SPARE and %o2, 0xf, %o2 1: subcc GLOBAL_SPARE, 0x10, GLOBAL_SPARE - EX_LD(LOAD(ldx, %o1 + 0x00, %o5)) - EX_LD(LOAD(ldx, %o1 + 0x08, %g1)) - EX_ST(STORE(stx, %o5, %o1 + %o3)) + EX_LD(LOAD(ldx, %o1 + 0x00, %o5), U3_retl_o2_plus_GS_plus_0x10) + EX_LD(LOAD(ldx, %o1 + 0x08, %g1), U3_retl_o2_plus_GS_plus_0x10) + EX_ST(STORE(stx, %o5, %o1 + %o3), U3_retl_o2_plus_GS_plus_0x10) add %o1, 0x8, %o1 - EX_ST(STORE(stx, %g1, %o1 + %o3)) + EX_ST(STORE(stx, %g1, %o1 + %o3), U3_retl_o2_plus_GS_plus_0x08) bgu,pt %XCC, 1b add %o1, 0x8, %o1 73: andcc %o2, 0x8, %g0 be,pt %XCC, 1f nop sub %o2, 0x8, %o2 - EX_LD(LOAD(ldx, %o1, %o5)) - EX_ST(STORE(stx, %o5, %o1 + %o3)) + EX_LD(LOAD(ldx, %o1, %o5), U3_retl_o2_plus_8) + EX_ST(STORE(stx, %o5, %o1 + %o3), U3_retl_o2_plus_8) add %o1, 0x8, %o1 1: andcc %o2, 0x4, %g0 be,pt %XCC, 1f nop sub %o2, 0x4, %o2 - EX_LD(LOAD(lduw, %o1, %o5)) - EX_ST(STORE(stw, %o5, %o1 + %o3)) + EX_LD(LOAD(lduw, %o1, %o5), U3_retl_o2_plus_4) + EX_ST(STORE(stw, %o5, %o1 + %o3), U3_retl_o2_plus_4) add %o1, 0x4, %o1 1: cmp %o2, 0 be,pt %XCC, 85f @@ -361,8 +442,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ sub %o2, %g1, %o2 1: subcc %g1, 1, %g1 - EX_LD(LOAD(ldub, %o1, %o5)) - EX_ST(STORE(stb, %o5, %o1 + %o3)) + EX_LD(LOAD(ldub, %o1, %o5), U3_retl_o2_plus_g1_plus_1) + EX_ST(STORE(stb, %o5, %o1 + %o3), U3_retl_o2_plus_g1_plus_1) bgu,pt %icc, 1b add %o1, 1, %o1 @@ -378,16 +459,16 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 8: mov 64, %o3 andn %o1, 0x7, %o1 - EX_LD(LOAD(ldx, %o1, %g2)) + EX_LD(LOAD(ldx, %o1, %g2), U3_retl_o2) sub %o3, %g1, %o3 andn %o2, 0x7, GLOBAL_SPARE sllx %g2, %g1, %g2 -1: EX_LD(LOAD(ldx, %o1 + 0x8, %g3)) +1: EX_LD(LOAD(ldx, %o1 + 0x8, %g3), U3_retl_o2_and_7_plus_GS) subcc GLOBAL_SPARE, 0x8, GLOBAL_SPARE add %o1, 0x8, %o1 srlx %g3, %o3, %o5 or %o5, %g2, %o5 - EX_ST(STORE(stx, %o5, %o0)) + EX_ST(STORE(stx, %o5, %o0), U3_retl_o2_and_7_plus_GS_plus_8) add %o0, 0x8, %o0 bgu,pt %icc, 1b sllx %g3, %g1, %g2 @@ -407,8 +488,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ 1: subcc %o2, 4, %o2 - EX_LD(LOAD(lduw, %o1, %g1)) - EX_ST(STORE(stw, %g1, %o1 + %o3)) + EX_LD(LOAD(lduw, %o1, %g1), U3_retl_o2_plus_4) + EX_ST(STORE(stw, %g1, %o1 + %o3), U3_retl_o2_plus_4) bgu,pt %XCC, 1b add %o1, 4, %o1 @@ -418,8 +499,8 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ .align 32 90: subcc %o2, 1, %o2 - EX_LD(LOAD(ldub, %o1, %g1)) - EX_ST(STORE(stb, %g1, %o1 + %o3)) + EX_LD(LOAD(ldub, %o1, %g1), U3_retl_o2_plus_1) + EX_ST(STORE(stb, %g1, %o1 + %o3), U3_retl_o2_plus_1) bgu,pt %XCC, 90b add %o1, 1, %o1 retl diff --git a/arch/sparc/lib/copy_in_user.S b/arch/sparc/lib/copy_in_user.S index 482de09..0252b21 100644 --- a/arch/sparc/lib/copy_in_user.S +++ b/arch/sparc/lib/copy_in_user.S @@ -9,18 +9,33 @@ #define XCC xcc -#define EX(x,y) \ +#define EX(x,y,z) \ 98: x,y; \ .section __ex_table,"a";\ .align 4; \ - .word 98b, __retl_one; \ + .word 98b, z; \ .text; \ .align 4; +#define EX_O4(x,y) EX(x,y,__retl_o4_plus_8) +#define EX_O2_4(x,y) EX(x,y,__retl_o2_plus_4) +#define EX_O2_1(x,y) EX(x,y,__retl_o2_plus_1) + .register %g2,#scratch .register %g3,#scratch .text +__retl_o4_plus_8: + add %o4, %o2, %o4 + retl + add %o4, 8, %o0 +__retl_o2_plus_4: + retl + add %o2, 4, %o0 +__retl_o2_plus_1: + retl + add %o2, 1, %o0 + .align 32 /* Don't try to get too fancy here, just nice and @@ -45,8 +60,8 @@ ENTRY(___copy_in_user) /* %o0=dst, %o1=src, %o2=len */ andn %o2, 0x7, %o4 and %o2, 0x7, %o2 1: subcc %o4, 0x8, %o4 - EX(ldxa [%o1] %asi, %o5) - EX(stxa %o5, [%o0] %asi) + EX_O4(ldxa [%o1] %asi, %o5) + EX_O4(stxa %o5, [%o0] %asi) add %o1, 0x8, %o1 bgu,pt %XCC, 1b add %o0, 0x8, %o0 @@ -54,8 +69,8 @@ ENTRY(___copy_in_user) /* %o0=dst, %o1=src, %o2=len */ be,pt %XCC, 1f nop sub %o2, 0x4, %o2 - EX(lduwa [%o1] %asi, %o5) - EX(stwa %o5, [%o0] %asi) + EX_O2_4(lduwa [%o1] %asi, %o5) + EX_O2_4(stwa %o5, [%o0] %asi) add %o1, 0x4, %o1 add %o0, 0x4, %o0 1: cmp %o2, 0 @@ -71,8 +86,8 @@ ENTRY(___copy_in_user) /* %o0=dst, %o1=src, %o2=len */ 82: subcc %o2, 4, %o2 - EX(lduwa [%o1] %asi, %g1) - EX(stwa %g1, [%o0] %asi) + EX_O2_4(lduwa [%o1] %asi, %g1) + EX_O2_4(stwa %g1, [%o0] %asi) add %o1, 4, %o1 bgu,pt %XCC, 82b add %o0, 4, %o0 @@ -83,8 +98,8 @@ ENTRY(___copy_in_user) /* %o0=dst, %o1=src, %o2=len */ .align 32 90: subcc %o2, 1, %o2 - EX(lduba [%o1] %asi, %g1) - EX(stba %g1, [%o0] %asi) + EX_O2_1(lduba [%o1] %asi, %g1) + EX_O2_1(stba %g1, [%o0] %asi) add %o1, 1, %o1 bgu,pt %XCC, 90b add %o0, 1, %o0 diff --git a/arch/sparc/lib/user_fixup.c b/arch/sparc/lib/user_fixup.c deleted file mode 100644 index ac96ae2..0000000 --- a/arch/sparc/lib/user_fixup.c +++ /dev/null @@ -1,71 +0,0 @@ -/* user_fixup.c: Fix up user copy faults. - * - * Copyright (C) 2004 David S. Miller <davem@redhat.com> - */ - -#include <linux/compiler.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/module.h> - -#include <asm/uaccess.h> - -/* Calculating the exact fault address when using - * block loads and stores can be very complicated. - * - * Instead of trying to be clever and handling all - * of the cases, just fix things up simply here. - */ - -static unsigned long compute_size(unsigned long start, unsigned long size, unsigned long *offset) -{ - unsigned long fault_addr = current_thread_info()->fault_address; - unsigned long end = start + size; - - if (fault_addr < start || fault_addr >= end) { - *offset = 0; - } else { - *offset = fault_addr - start; - size = end - fault_addr; - } - return size; -} - -unsigned long copy_from_user_fixup(void *to, const void __user *from, unsigned long size) -{ - unsigned long offset; - - size = compute_size((unsigned long) from, size, &offset); - if (likely(size)) - memset(to + offset, 0, size); - - return size; -} -EXPORT_SYMBOL(copy_from_user_fixup); - -unsigned long copy_to_user_fixup(void __user *to, const void *from, unsigned long size) -{ - unsigned long offset; - - return compute_size((unsigned long) to, size, &offset); -} -EXPORT_SYMBOL(copy_to_user_fixup); - -unsigned long copy_in_user_fixup(void __user *to, void __user *from, unsigned long size) -{ - unsigned long fault_addr = current_thread_info()->fault_address; - unsigned long start = (unsigned long) to; - unsigned long end = start + size; - - if (fault_addr >= start && fault_addr < end) - return end - fault_addr; - - start = (unsigned long) from; - end = start + size; - if (fault_addr >= start && fault_addr < end) - return end - fault_addr; - - return size; -} -EXPORT_SYMBOL(copy_in_user_fixup); diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c index f2b7711..e20fbba 100644 --- a/arch/sparc/mm/tsb.c +++ b/arch/sparc/mm/tsb.c @@ -27,6 +27,20 @@ static inline int tag_compare(unsigned long tag, unsigned long vaddr) return (tag == (vaddr >> 22)); } +static void flush_tsb_kernel_range_scan(unsigned long start, unsigned long end) +{ + unsigned long idx; + + for (idx = 0; idx < KERNEL_TSB_NENTRIES; idx++) { + struct tsb *ent = &swapper_tsb[idx]; + unsigned long match = idx << 13; + + match |= (ent->tag << 22); + if (match >= start && match < end) + ent->tag = (1UL << TSB_TAG_INVALID_BIT); + } +} + /* TSB flushes need only occur on the processor initiating the address * space modification, not on each cpu the address space has run on. * Only the TLB flush needs that treatment. @@ -36,6 +50,9 @@ void flush_tsb_kernel_range(unsigned long start, unsigned long end) { unsigned long v; + if ((end - start) >> PAGE_SHIFT >= 2 * KERNEL_TSB_NENTRIES) + return flush_tsb_kernel_range_scan(start, end); + for (v = start; v < end; v += PAGE_SIZE) { unsigned long hash = tsb_hash(v, PAGE_SHIFT, KERNEL_TSB_NENTRIES); diff --git a/arch/sparc/mm/ultra.S b/arch/sparc/mm/ultra.S index b4f4733..5d2fd6c 100644 --- a/arch/sparc/mm/ultra.S +++ b/arch/sparc/mm/ultra.S @@ -30,7 +30,7 @@ .text .align 32 .globl __flush_tlb_mm -__flush_tlb_mm: /* 18 insns */ +__flush_tlb_mm: /* 19 insns */ /* %o0=(ctx & TAG_CONTEXT_BITS), %o1=SECONDARY_CONTEXT */ ldxa [%o1] ASI_DMMU, %g2 cmp %g2, %o0 @@ -81,7 +81,7 @@ __flush_tlb_page: /* 22 insns */ .align 32 .globl __flush_tlb_pending -__flush_tlb_pending: /* 26 insns */ +__flush_tlb_pending: /* 27 insns */ /* %o0 = context, %o1 = nr, %o2 = vaddrs[] */ rdpr %pstate, %g7 sllx %o1, 3, %o1 @@ -113,12 +113,14 @@ __flush_tlb_pending: /* 26 insns */ .align 32 .globl __flush_tlb_kernel_range -__flush_tlb_kernel_range: /* 16 insns */ +__flush_tlb_kernel_range: /* 31 insns */ /* %o0=start, %o1=end */ cmp %o0, %o1 be,pn %xcc, 2f + sub %o1, %o0, %o3 + srlx %o3, 18, %o4 + brnz,pn %o4, __spitfire_flush_tlb_kernel_range_slow sethi %hi(PAGE_SIZE), %o4 - sub %o1, %o0, %o3 sub %o3, %o4, %o3 or %o0, 0x20, %o0 ! Nucleus 1: stxa %g0, [%o0 + %o3] ASI_DMMU_DEMAP @@ -131,6 +133,41 @@ __flush_tlb_kernel_range: /* 16 insns */ retl nop nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + +__spitfire_flush_tlb_kernel_range_slow: + mov 63 * 8, %o4 +1: ldxa [%o4] ASI_ITLB_DATA_ACCESS, %o3 + andcc %o3, 0x40, %g0 /* _PAGE_L_4U */ + bne,pn %xcc, 2f + mov TLB_TAG_ACCESS, %o3 + stxa %g0, [%o3] ASI_IMMU + stxa %g0, [%o4] ASI_ITLB_DATA_ACCESS + membar #Sync +2: ldxa [%o4] ASI_DTLB_DATA_ACCESS, %o3 + andcc %o3, 0x40, %g0 + bne,pn %xcc, 2f + mov TLB_TAG_ACCESS, %o3 + stxa %g0, [%o3] ASI_DMMU + stxa %g0, [%o4] ASI_DTLB_DATA_ACCESS + membar #Sync +2: sub %o4, 8, %o4 + brgez,pt %o4, 1b + nop + retl + nop __spitfire_flush_tlb_mm_slow: rdpr %pstate, %g1 @@ -285,6 +322,40 @@ __cheetah_flush_tlb_pending: /* 27 insns */ retl wrpr %g7, 0x0, %pstate +__cheetah_flush_tlb_kernel_range: /* 31 insns */ + /* %o0=start, %o1=end */ + cmp %o0, %o1 + be,pn %xcc, 2f + sub %o1, %o0, %o3 + srlx %o3, 18, %o4 + brnz,pn %o4, 3f + sethi %hi(PAGE_SIZE), %o4 + sub %o3, %o4, %o3 + or %o0, 0x20, %o0 ! Nucleus +1: stxa %g0, [%o0 + %o3] ASI_DMMU_DEMAP + stxa %g0, [%o0 + %o3] ASI_IMMU_DEMAP + membar #Sync + brnz,pt %o3, 1b + sub %o3, %o4, %o3 +2: sethi %hi(KERNBASE), %o3 + flush %o3 + retl + nop +3: mov 0x80, %o4 + stxa %g0, [%o4] ASI_DMMU_DEMAP + membar #Sync + stxa %g0, [%o4] ASI_IMMU_DEMAP + membar #Sync + retl + nop + nop + nop + nop + nop + nop + nop + nop + #ifdef DCACHE_ALIASING_POSSIBLE __cheetah_flush_dcache_page: /* 11 insns */ sethi %hi(PAGE_OFFSET), %g1 @@ -309,19 +380,28 @@ __hypervisor_tlb_tl0_error: ret restore -__hypervisor_flush_tlb_mm: /* 10 insns */ +__hypervisor_flush_tlb_mm: /* 19 insns */ mov %o0, %o2 /* ARG2: mmu context */ mov 0, %o0 /* ARG0: CPU lists unimplemented */ mov 0, %o1 /* ARG1: CPU lists unimplemented */ mov HV_MMU_ALL, %o3 /* ARG3: flags */ mov HV_FAST_MMU_DEMAP_CTX, %o5 ta HV_FAST_TRAP - brnz,pn %o0, __hypervisor_tlb_tl0_error + brnz,pn %o0, 1f mov HV_FAST_MMU_DEMAP_CTX, %o1 retl nop +1: sethi %hi(__hypervisor_tlb_tl0_error), %o5 + jmpl %o5 + %lo(__hypervisor_tlb_tl0_error), %g0 + nop + nop + nop + nop + nop + nop + nop -__hypervisor_flush_tlb_page: /* 11 insns */ +__hypervisor_flush_tlb_page: /* 22 insns */ /* %o0 = context, %o1 = vaddr */ mov %o0, %g2 mov %o1, %o0 /* ARG0: vaddr + IMMU-bit */ @@ -330,12 +410,23 @@ __hypervisor_flush_tlb_page: /* 11 insns */ srlx %o0, PAGE_SHIFT, %o0 sllx %o0, PAGE_SHIFT, %o0 ta HV_MMU_UNMAP_ADDR_TRAP - brnz,pn %o0, __hypervisor_tlb_tl0_error + brnz,pn %o0, 1f mov HV_MMU_UNMAP_ADDR_TRAP, %o1 retl nop +1: sethi %hi(__hypervisor_tlb_tl0_error), %o2 + jmpl %o2 + %lo(__hypervisor_tlb_tl0_error), %g0 + nop + nop + nop + nop + nop + nop + nop + nop + nop -__hypervisor_flush_tlb_pending: /* 16 insns */ +__hypervisor_flush_tlb_pending: /* 27 insns */ /* %o0 = context, %o1 = nr, %o2 = vaddrs[] */ sllx %o1, 3, %g1 mov %o2, %g2 @@ -347,31 +438,57 @@ __hypervisor_flush_tlb_pending: /* 16 insns */ srlx %o0, PAGE_SHIFT, %o0 sllx %o0, PAGE_SHIFT, %o0 ta HV_MMU_UNMAP_ADDR_TRAP - brnz,pn %o0, __hypervisor_tlb_tl0_error + brnz,pn %o0, 1f mov HV_MMU_UNMAP_ADDR_TRAP, %o1 brnz,pt %g1, 1b nop retl nop +1: sethi %hi(__hypervisor_tlb_tl0_error), %o2 + jmpl %o2 + %lo(__hypervisor_tlb_tl0_error), %g0 + nop + nop + nop + nop + nop + nop + nop + nop + nop -__hypervisor_flush_tlb_kernel_range: /* 16 insns */ +__hypervisor_flush_tlb_kernel_range: /* 31 insns */ /* %o0=start, %o1=end */ cmp %o0, %o1 be,pn %xcc, 2f - sethi %hi(PAGE_SIZE), %g3 - mov %o0, %g1 - sub %o1, %g1, %g2 + sub %o1, %o0, %g2 + srlx %g2, 18, %g3 + brnz,pn %g3, 4f + mov %o0, %g1 + sethi %hi(PAGE_SIZE), %g3 sub %g2, %g3, %g2 1: add %g1, %g2, %o0 /* ARG0: virtual address */ mov 0, %o1 /* ARG1: mmu context */ mov HV_MMU_ALL, %o2 /* ARG2: flags */ ta HV_MMU_UNMAP_ADDR_TRAP - brnz,pn %o0, __hypervisor_tlb_tl0_error + brnz,pn %o0, 3f mov HV_MMU_UNMAP_ADDR_TRAP, %o1 brnz,pt %g2, 1b sub %g2, %g3, %g2 2: retl nop +3: sethi %hi(__hypervisor_tlb_tl0_error), %o2 + jmpl %o2 + %lo(__hypervisor_tlb_tl0_error), %g0 + nop +4: mov 0, %o0 /* ARG0: CPU lists unimplemented */ + mov 0, %o1 /* ARG1: CPU lists unimplemented */ + mov 0, %o2 /* ARG2: mmu context == nucleus */ + mov HV_MMU_ALL, %o3 /* ARG3: flags */ + mov HV_FAST_MMU_DEMAP_CTX, %o5 + ta HV_FAST_TRAP + brnz,pn %o0, 3b + mov HV_FAST_MMU_DEMAP_CTX, %o1 + retl + nop #ifdef DCACHE_ALIASING_POSSIBLE /* XXX Niagara and friends have an 8K cache, so no aliasing is @@ -394,43 +511,6 @@ tlb_patch_one: retl nop - .globl cheetah_patch_cachetlbops -cheetah_patch_cachetlbops: - save %sp, -128, %sp - - sethi %hi(__flush_tlb_mm), %o0 - or %o0, %lo(__flush_tlb_mm), %o0 - sethi %hi(__cheetah_flush_tlb_mm), %o1 - or %o1, %lo(__cheetah_flush_tlb_mm), %o1 - call tlb_patch_one - mov 19, %o2 - - sethi %hi(__flush_tlb_page), %o0 - or %o0, %lo(__flush_tlb_page), %o0 - sethi %hi(__cheetah_flush_tlb_page), %o1 - or %o1, %lo(__cheetah_flush_tlb_page), %o1 - call tlb_patch_one - mov 22, %o2 - - sethi %hi(__flush_tlb_pending), %o0 - or %o0, %lo(__flush_tlb_pending), %o0 - sethi %hi(__cheetah_flush_tlb_pending), %o1 - or %o1, %lo(__cheetah_flush_tlb_pending), %o1 - call tlb_patch_one - mov 27, %o2 - -#ifdef DCACHE_ALIASING_POSSIBLE - sethi %hi(__flush_dcache_page), %o0 - or %o0, %lo(__flush_dcache_page), %o0 - sethi %hi(__cheetah_flush_dcache_page), %o1 - or %o1, %lo(__cheetah_flush_dcache_page), %o1 - call tlb_patch_one - mov 11, %o2 -#endif /* DCACHE_ALIASING_POSSIBLE */ - - ret - restore - #ifdef CONFIG_SMP /* These are all called by the slaves of a cross call, at * trap level 1, with interrupts fully disabled. @@ -447,7 +527,7 @@ cheetah_patch_cachetlbops: */ .align 32 .globl xcall_flush_tlb_mm -xcall_flush_tlb_mm: /* 21 insns */ +xcall_flush_tlb_mm: /* 24 insns */ mov PRIMARY_CONTEXT, %g2 ldxa [%g2] ASI_DMMU, %g3 srlx %g3, CTX_PGSZ1_NUC_SHIFT, %g4 @@ -469,9 +549,12 @@ xcall_flush_tlb_mm: /* 21 insns */ nop nop nop + nop + nop + nop .globl xcall_flush_tlb_page -xcall_flush_tlb_page: /* 17 insns */ +xcall_flush_tlb_page: /* 20 insns */ /* %g5=context, %g1=vaddr */ mov PRIMARY_CONTEXT, %g4 ldxa [%g4] ASI_DMMU, %g2 @@ -490,15 +573,20 @@ xcall_flush_tlb_page: /* 17 insns */ retry nop nop + nop + nop + nop .globl xcall_flush_tlb_kernel_range -xcall_flush_tlb_kernel_range: /* 25 insns */ +xcall_flush_tlb_kernel_range: /* 44 insns */ sethi %hi(PAGE_SIZE - 1), %g2 or %g2, %lo(PAGE_SIZE - 1), %g2 andn %g1, %g2, %g1 andn %g7, %g2, %g7 sub %g7, %g1, %g3 - add %g2, 1, %g2 + srlx %g3, 18, %g2 + brnz,pn %g2, 2f + add %g2, 1, %g2 sub %g3, %g2, %g3 or %g1, 0x20, %g1 ! Nucleus 1: stxa %g0, [%g1 + %g3] ASI_DMMU_DEMAP @@ -507,8 +595,25 @@ xcall_flush_tlb_kernel_range: /* 25 insns */ brnz,pt %g3, 1b sub %g3, %g2, %g3 retry - nop - nop +2: mov 63 * 8, %g1 +1: ldxa [%g1] ASI_ITLB_DATA_ACCESS, %g2 + andcc %g2, 0x40, %g0 /* _PAGE_L_4U */ + bne,pn %xcc, 2f + mov TLB_TAG_ACCESS, %g2 + stxa %g0, [%g2] ASI_IMMU + stxa %g0, [%g1] ASI_ITLB_DATA_ACCESS + membar #Sync +2: ldxa [%g1] ASI_DTLB_DATA_ACCESS, %g2 + andcc %g2, 0x40, %g0 + bne,pn %xcc, 2f + mov TLB_TAG_ACCESS, %g2 + stxa %g0, [%g2] ASI_DMMU + stxa %g0, [%g1] ASI_DTLB_DATA_ACCESS + membar #Sync +2: sub %g1, 8, %g1 + brgez,pt %g1, 1b + nop + retry nop nop nop @@ -637,6 +742,52 @@ xcall_fetch_glob_pmu_n4: retry +__cheetah_xcall_flush_tlb_kernel_range: /* 44 insns */ + sethi %hi(PAGE_SIZE - 1), %g2 + or %g2, %lo(PAGE_SIZE - 1), %g2 + andn %g1, %g2, %g1 + andn %g7, %g2, %g7 + sub %g7, %g1, %g3 + srlx %g3, 18, %g2 + brnz,pn %g2, 2f + add %g2, 1, %g2 + sub %g3, %g2, %g3 + or %g1, 0x20, %g1 ! Nucleus +1: stxa %g0, [%g1 + %g3] ASI_DMMU_DEMAP + stxa %g0, [%g1 + %g3] ASI_IMMU_DEMAP + membar #Sync + brnz,pt %g3, 1b + sub %g3, %g2, %g3 + retry +2: mov 0x80, %g2 + stxa %g0, [%g2] ASI_DMMU_DEMAP + membar #Sync + stxa %g0, [%g2] ASI_IMMU_DEMAP + membar #Sync + retry + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + nop + #ifdef DCACHE_ALIASING_POSSIBLE .align 32 .globl xcall_flush_dcache_page_cheetah @@ -700,7 +851,7 @@ __hypervisor_tlb_xcall_error: ba,a,pt %xcc, rtrap .globl __hypervisor_xcall_flush_tlb_mm -__hypervisor_xcall_flush_tlb_mm: /* 21 insns */ +__hypervisor_xcall_flush_tlb_mm: /* 24 insns */ /* %g5=ctx, g1,g2,g3,g4,g7=scratch, %g6=unusable */ mov %o0, %g2 mov %o1, %g3 @@ -714,7 +865,7 @@ __hypervisor_xcall_flush_tlb_mm: /* 21 insns */ mov HV_FAST_MMU_DEMAP_CTX, %o5 ta HV_FAST_TRAP mov HV_FAST_MMU_DEMAP_CTX, %g6 - brnz,pn %o0, __hypervisor_tlb_xcall_error + brnz,pn %o0, 1f mov %o0, %g5 mov %g2, %o0 mov %g3, %o1 @@ -723,9 +874,12 @@ __hypervisor_xcall_flush_tlb_mm: /* 21 insns */ mov %g7, %o5 membar #Sync retry +1: sethi %hi(__hypervisor_tlb_xcall_error), %g4 + jmpl %g4 + %lo(__hypervisor_tlb_xcall_error), %g0 + nop .globl __hypervisor_xcall_flush_tlb_page -__hypervisor_xcall_flush_tlb_page: /* 17 insns */ +__hypervisor_xcall_flush_tlb_page: /* 20 insns */ /* %g5=ctx, %g1=vaddr */ mov %o0, %g2 mov %o1, %g3 @@ -737,42 +891,64 @@ __hypervisor_xcall_flush_tlb_page: /* 17 insns */ sllx %o0, PAGE_SHIFT, %o0 ta HV_MMU_UNMAP_ADDR_TRAP mov HV_MMU_UNMAP_ADDR_TRAP, %g6 - brnz,a,pn %o0, __hypervisor_tlb_xcall_error + brnz,a,pn %o0, 1f mov %o0, %g5 mov %g2, %o0 mov %g3, %o1 mov %g4, %o2 membar #Sync retry +1: sethi %hi(__hypervisor_tlb_xcall_error), %g4 + jmpl %g4 + %lo(__hypervisor_tlb_xcall_error), %g0 + nop .globl __hypervisor_xcall_flush_tlb_kernel_range -__hypervisor_xcall_flush_tlb_kernel_range: /* 25 insns */ +__hypervisor_xcall_flush_tlb_kernel_range: /* 44 insns */ /* %g1=start, %g7=end, g2,g3,g4,g5,g6=scratch */ sethi %hi(PAGE_SIZE - 1), %g2 or %g2, %lo(PAGE_SIZE - 1), %g2 andn %g1, %g2, %g1 andn %g7, %g2, %g7 sub %g7, %g1, %g3 + srlx %g3, 18, %g7 add %g2, 1, %g2 sub %g3, %g2, %g3 mov %o0, %g2 mov %o1, %g4 - mov %o2, %g7 + brnz,pn %g7, 2f + mov %o2, %g7 1: add %g1, %g3, %o0 /* ARG0: virtual address */ mov 0, %o1 /* ARG1: mmu context */ mov HV_MMU_ALL, %o2 /* ARG2: flags */ ta HV_MMU_UNMAP_ADDR_TRAP mov HV_MMU_UNMAP_ADDR_TRAP, %g6 - brnz,pn %o0, __hypervisor_tlb_xcall_error + brnz,pn %o0, 1f mov %o0, %g5 sethi %hi(PAGE_SIZE), %o2 brnz,pt %g3, 1b sub %g3, %o2, %g3 - mov %g2, %o0 +5: mov %g2, %o0 mov %g4, %o1 mov %g7, %o2 membar #Sync retry +1: sethi %hi(__hypervisor_tlb_xcall_error), %g4 + jmpl %g4 + %lo(__hypervisor_tlb_xcall_error), %g0 + nop +2: mov %o3, %g1 + mov %o5, %g3 + mov 0, %o0 /* ARG0: CPU lists unimplemented */ + mov 0, %o1 /* ARG1: CPU lists unimplemented */ + mov 0, %o2 /* ARG2: mmu context == nucleus */ + mov HV_MMU_ALL, %o3 /* ARG3: flags */ + mov HV_FAST_MMU_DEMAP_CTX, %o5 + ta HV_FAST_TRAP + mov %g1, %o3 + brz,pt %o0, 5b + mov %g3, %o5 + mov HV_FAST_MMU_DEMAP_CTX, %g6 + ba,pt %xcc, 1b + clr %g5 /* These just get rescheduled to PIL vectors. */ .globl xcall_call_function @@ -809,6 +985,58 @@ xcall_kgdb_capture: #endif /* CONFIG_SMP */ + .globl cheetah_patch_cachetlbops +cheetah_patch_cachetlbops: + save %sp, -128, %sp + + sethi %hi(__flush_tlb_mm), %o0 + or %o0, %lo(__flush_tlb_mm), %o0 + sethi %hi(__cheetah_flush_tlb_mm), %o1 + or %o1, %lo(__cheetah_flush_tlb_mm), %o1 + call tlb_patch_one + mov 19, %o2 + + sethi %hi(__flush_tlb_page), %o0 + or %o0, %lo(__flush_tlb_page), %o0 + sethi %hi(__cheetah_flush_tlb_page), %o1 + or %o1, %lo(__cheetah_flush_tlb_page), %o1 + call tlb_patch_one + mov 22, %o2 + + sethi %hi(__flush_tlb_pending), %o0 + or %o0, %lo(__flush_tlb_pending), %o0 + sethi %hi(__cheetah_flush_tlb_pending), %o1 + or %o1, %lo(__cheetah_flush_tlb_pending), %o1 + call tlb_patch_one + mov 27, %o2 + + sethi %hi(__flush_tlb_kernel_range), %o0 + or %o0, %lo(__flush_tlb_kernel_range), %o0 + sethi %hi(__cheetah_flush_tlb_kernel_range), %o1 + or %o1, %lo(__cheetah_flush_tlb_kernel_range), %o1 + call tlb_patch_one + mov 31, %o2 + +#ifdef DCACHE_ALIASING_POSSIBLE + sethi %hi(__flush_dcache_page), %o0 + or %o0, %lo(__flush_dcache_page), %o0 + sethi %hi(__cheetah_flush_dcache_page), %o1 + or %o1, %lo(__cheetah_flush_dcache_page), %o1 + call tlb_patch_one + mov 11, %o2 +#endif /* DCACHE_ALIASING_POSSIBLE */ + +#ifdef CONFIG_SMP + sethi %hi(xcall_flush_tlb_kernel_range), %o0 + or %o0, %lo(xcall_flush_tlb_kernel_range), %o0 + sethi %hi(__cheetah_xcall_flush_tlb_kernel_range), %o1 + or %o1, %lo(__cheetah_xcall_flush_tlb_kernel_range), %o1 + call tlb_patch_one + mov 44, %o2 +#endif /* CONFIG_SMP */ + + ret + restore .globl hypervisor_patch_cachetlbops hypervisor_patch_cachetlbops: @@ -819,28 +1047,28 @@ hypervisor_patch_cachetlbops: sethi %hi(__hypervisor_flush_tlb_mm), %o1 or %o1, %lo(__hypervisor_flush_tlb_mm), %o1 call tlb_patch_one - mov 10, %o2 + mov 19, %o2 sethi %hi(__flush_tlb_page), %o0 or %o0, %lo(__flush_tlb_page), %o0 sethi %hi(__hypervisor_flush_tlb_page), %o1 or %o1, %lo(__hypervisor_flush_tlb_page), %o1 call tlb_patch_one - mov 11, %o2 + mov 22, %o2 sethi %hi(__flush_tlb_pending), %o0 or %o0, %lo(__flush_tlb_pending), %o0 sethi %hi(__hypervisor_flush_tlb_pending), %o1 or %o1, %lo(__hypervisor_flush_tlb_pending), %o1 call tlb_patch_one - mov 16, %o2 + mov 27, %o2 sethi %hi(__flush_tlb_kernel_range), %o0 or %o0, %lo(__flush_tlb_kernel_range), %o0 sethi %hi(__hypervisor_flush_tlb_kernel_range), %o1 or %o1, %lo(__hypervisor_flush_tlb_kernel_range), %o1 call tlb_patch_one - mov 16, %o2 + mov 31, %o2 #ifdef DCACHE_ALIASING_POSSIBLE sethi %hi(__flush_dcache_page), %o0 @@ -857,21 +1085,21 @@ hypervisor_patch_cachetlbops: sethi %hi(__hypervisor_xcall_flush_tlb_mm), %o1 or %o1, %lo(__hypervisor_xcall_flush_tlb_mm), %o1 call tlb_patch_one - mov 21, %o2 + mov 24, %o2 sethi %hi(xcall_flush_tlb_page), %o0 or %o0, %lo(xcall_flush_tlb_page), %o0 sethi %hi(__hypervisor_xcall_flush_tlb_page), %o1 or %o1, %lo(__hypervisor_xcall_flush_tlb_page), %o1 call tlb_patch_one - mov 17, %o2 + mov 20, %o2 sethi %hi(xcall_flush_tlb_kernel_range), %o0 or %o0, %lo(xcall_flush_tlb_kernel_range), %o0 sethi %hi(__hypervisor_xcall_flush_tlb_kernel_range), %o1 or %o1, %lo(__hypervisor_xcall_flush_tlb_kernel_range), %o1 call tlb_patch_one - mov 25, %o2 + mov 44, %o2 #endif /* CONFIG_SMP */ ret diff --git a/arch/tile/include/asm/cache.h b/arch/tile/include/asm/cache.h index 6160761..4810e48 100644 --- a/arch/tile/include/asm/cache.h +++ b/arch/tile/include/asm/cache.h @@ -61,4 +61,7 @@ */ #define __write_once __read_mostly +/* __ro_after_init is the generic name for the tile arch __write_once. */ +#define __ro_after_init __read_mostly + #endif /* _ASM_TILE_CACHE_H */ diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c index 0ab5ee1..aa8b067 100644 --- a/arch/x86/crypto/aesni-intel_glue.c +++ b/arch/x86/crypto/aesni-intel_glue.c @@ -888,7 +888,7 @@ static int helper_rfc4106_encrypt(struct aead_request *req) unsigned long auth_tag_len = crypto_aead_authsize(tfm); u8 iv[16] __attribute__ ((__aligned__(AESNI_ALIGN))); struct scatter_walk src_sg_walk; - struct scatter_walk dst_sg_walk; + struct scatter_walk dst_sg_walk = {}; unsigned int i; /* Assuming we are supporting rfc4106 64-bit extended */ @@ -968,7 +968,7 @@ static int helper_rfc4106_decrypt(struct aead_request *req) u8 iv[16] __attribute__ ((__aligned__(AESNI_ALIGN))); u8 authTag[16]; struct scatter_walk src_sg_walk; - struct scatter_walk dst_sg_walk; + struct scatter_walk dst_sg_walk = {}; unsigned int i; if (unlikely(req->assoclen != 16 && req->assoclen != 20)) diff --git a/arch/x86/events/intel/uncore_snb.c b/arch/x86/events/intel/uncore_snb.c index 5f845ee..81195cc 100644 --- a/arch/x86/events/intel/uncore_snb.c +++ b/arch/x86/events/intel/uncore_snb.c @@ -8,8 +8,12 @@ #define PCI_DEVICE_ID_INTEL_HSW_IMC 0x0c00 #define PCI_DEVICE_ID_INTEL_HSW_U_IMC 0x0a04 #define PCI_DEVICE_ID_INTEL_BDW_IMC 0x1604 -#define PCI_DEVICE_ID_INTEL_SKL_IMC 0x191f -#define PCI_DEVICE_ID_INTEL_SKL_U_IMC 0x190c +#define PCI_DEVICE_ID_INTEL_SKL_U_IMC 0x1904 +#define PCI_DEVICE_ID_INTEL_SKL_Y_IMC 0x190c +#define PCI_DEVICE_ID_INTEL_SKL_HD_IMC 0x1900 +#define PCI_DEVICE_ID_INTEL_SKL_HQ_IMC 0x1910 +#define PCI_DEVICE_ID_INTEL_SKL_SD_IMC 0x190f +#define PCI_DEVICE_ID_INTEL_SKL_SQ_IMC 0x191f /* SNB event control */ #define SNB_UNC_CTL_EV_SEL_MASK 0x000000ff @@ -616,13 +620,29 @@ static const struct pci_device_id bdw_uncore_pci_ids[] = { static const struct pci_device_id skl_uncore_pci_ids[] = { { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SKL_IMC), + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SKL_Y_IMC), .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), }, { /* IMC */ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SKL_U_IMC), .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), }, + { /* IMC */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SKL_HD_IMC), + .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), + }, + { /* IMC */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SKL_HQ_IMC), + .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), + }, + { /* IMC */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SKL_SD_IMC), + .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), + }, + { /* IMC */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SKL_SQ_IMC), + .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), + }, { /* end: all zeroes */ }, }; @@ -666,8 +686,12 @@ static const struct imc_uncore_pci_dev desktop_imc_pci_ids[] = { IMC_DEV(HSW_IMC, &hsw_uncore_pci_driver), /* 4th Gen Core Processor */ IMC_DEV(HSW_U_IMC, &hsw_uncore_pci_driver), /* 4th Gen Core ULT Mobile Processor */ IMC_DEV(BDW_IMC, &bdw_uncore_pci_driver), /* 5th Gen Core U */ - IMC_DEV(SKL_IMC, &skl_uncore_pci_driver), /* 6th Gen Core */ + IMC_DEV(SKL_Y_IMC, &skl_uncore_pci_driver), /* 6th Gen Core Y */ IMC_DEV(SKL_U_IMC, &skl_uncore_pci_driver), /* 6th Gen Core U */ + IMC_DEV(SKL_HD_IMC, &skl_uncore_pci_driver), /* 6th Gen Core H Dual Core */ + IMC_DEV(SKL_HQ_IMC, &skl_uncore_pci_driver), /* 6th Gen Core H Quad Core */ + IMC_DEV(SKL_SD_IMC, &skl_uncore_pci_driver), /* 6th Gen Core S Dual Core */ + IMC_DEV(SKL_SQ_IMC, &skl_uncore_pci_driver), /* 6th Gen Core S Quad Core */ { /* end marker */ } }; diff --git a/arch/x86/include/asm/intel-mid.h b/arch/x86/include/asm/intel-mid.h index 5b6753d..49da9f4 100644 --- a/arch/x86/include/asm/intel-mid.h +++ b/arch/x86/include/asm/intel-mid.h @@ -17,6 +17,7 @@ extern int intel_mid_pci_init(void); extern int intel_mid_pci_set_power_state(struct pci_dev *pdev, pci_power_t state); +extern pci_power_t intel_mid_pci_get_power_state(struct pci_dev *pdev); extern void intel_mid_pwr_power_off(void); diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 4b20f73..bdde807 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -948,7 +948,6 @@ struct kvm_x86_ops { int (*get_lpage_level)(void); bool (*rdtscp_supported)(void); bool (*invpcid_supported)(void); - void (*adjust_tsc_offset_guest)(struct kvm_vcpu *vcpu, s64 adjustment); void (*set_tdp_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3); @@ -958,8 +957,6 @@ struct kvm_x86_ops { void (*write_tsc_offset)(struct kvm_vcpu *vcpu, u64 offset); - u64 (*read_l1_tsc)(struct kvm_vcpu *vcpu, u64 host_tsc); - void (*get_exit_info)(struct kvm_vcpu *vcpu, u64 *info1, u64 *info2); int (*check_intercept)(struct kvm_vcpu *vcpu, diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c index c7364bd..51287cd 100644 --- a/arch/x86/kernel/apm_32.c +++ b/arch/x86/kernel/apm_32.c @@ -1042,8 +1042,11 @@ static int apm_get_power_status(u_short *status, u_short *bat, u_short *life) if (apm_info.get_power_status_broken) return APM_32_UNSUPPORTED; - if (apm_bios_call(&call)) + if (apm_bios_call(&call)) { + if (!call.err) + return APM_NO_ERROR; return call.err; + } *status = call.ebx; *bat = call.ecx; if (apm_info.get_power_status_swabinminutes) { diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index b81fe2d..1e81a37 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -347,7 +347,6 @@ static void amd_detect_cmp(struct cpuinfo_x86 *c) #ifdef CONFIG_SMP unsigned bits; int cpu = smp_processor_id(); - unsigned int socket_id, core_complex_id; bits = c->x86_coreid_bits; /* Low order bits define the core id (index of core in socket) */ @@ -365,10 +364,7 @@ static void amd_detect_cmp(struct cpuinfo_x86 *c) if (c->x86 != 0x17 || !cpuid_edx(0x80000006)) return; - socket_id = (c->apicid >> bits) - 1; - core_complex_id = (c->apicid & ((1 << bits) - 1)) >> 3; - - per_cpu(cpu_llc_id, cpu) = (socket_id << 3) | core_complex_id; + per_cpu(cpu_llc_id, cpu) = c->apicid >> 3; #endif } diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 9bd910a..cc9e980 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -979,6 +979,35 @@ static void x86_init_cache_qos(struct cpuinfo_x86 *c) } /* + * The physical to logical package id mapping is initialized from the + * acpi/mptables information. Make sure that CPUID actually agrees with + * that. + */ +static void sanitize_package_id(struct cpuinfo_x86 *c) +{ +#ifdef CONFIG_SMP + unsigned int pkg, apicid, cpu = smp_processor_id(); + + apicid = apic->cpu_present_to_apicid(cpu); + pkg = apicid >> boot_cpu_data.x86_coreid_bits; + + if (apicid != c->initial_apicid) { + pr_err(FW_BUG "CPU%u: APIC id mismatch. Firmware: %x CPUID: %x\n", + cpu, apicid, c->initial_apicid); + c->initial_apicid = apicid; + } + if (pkg != c->phys_proc_id) { + pr_err(FW_BUG "CPU%u: Using firmware package id %u instead of %u\n", + cpu, pkg, c->phys_proc_id); + c->phys_proc_id = pkg; + } + c->logical_proc_id = topology_phys_to_logical_pkg(pkg); +#else + c->logical_proc_id = 0; +#endif +} + +/* * This does the hard work of actually picking apart the CPU stuff... */ static void identify_cpu(struct cpuinfo_x86 *c) @@ -1103,8 +1132,7 @@ static void identify_cpu(struct cpuinfo_x86 *c) #ifdef CONFIG_NUMA numa_add_cpu(smp_processor_id()); #endif - /* The boot/hotplug time assigment got cleared, restore it */ - c->logical_proc_id = topology_phys_to_logical_pkg(c->phys_proc_id); + sanitize_package_id(c); } /* diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 4e95d3e..cbd7b92 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -5045,7 +5045,7 @@ done_prefixes: /* Decode and fetch the destination operand: register or memory. */ rc = decode_operand(ctxt, &ctxt->dst, (ctxt->d >> DstShift) & OpMask); - if (ctxt->rip_relative) + if (ctxt->rip_relative && likely(ctxt->memopp)) ctxt->memopp->addr.mem.ea = address_mask(ctxt, ctxt->memopp->addr.mem.ea + ctxt->_eip); diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index f8157a3..8ca1eca 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1138,21 +1138,6 @@ static void svm_write_tsc_offset(struct kvm_vcpu *vcpu, u64 offset) mark_dirty(svm->vmcb, VMCB_INTERCEPTS); } -static void svm_adjust_tsc_offset_guest(struct kvm_vcpu *vcpu, s64 adjustment) -{ - struct vcpu_svm *svm = to_svm(vcpu); - - svm->vmcb->control.tsc_offset += adjustment; - if (is_guest_mode(vcpu)) - svm->nested.hsave->control.tsc_offset += adjustment; - else - trace_kvm_write_tsc_offset(vcpu->vcpu_id, - svm->vmcb->control.tsc_offset - adjustment, - svm->vmcb->control.tsc_offset); - - mark_dirty(svm->vmcb, VMCB_INTERCEPTS); -} - static void avic_init_vmcb(struct vcpu_svm *svm) { struct vmcb *vmcb = svm->vmcb; @@ -3449,12 +3434,6 @@ static int cr8_write_interception(struct vcpu_svm *svm) return 0; } -static u64 svm_read_l1_tsc(struct kvm_vcpu *vcpu, u64 host_tsc) -{ - struct vmcb *vmcb = get_host_vmcb(to_svm(vcpu)); - return vmcb->control.tsc_offset + host_tsc; -} - static int svm_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info) { struct vcpu_svm *svm = to_svm(vcpu); @@ -5422,8 +5401,6 @@ static struct kvm_x86_ops svm_x86_ops __ro_after_init = { .has_wbinvd_exit = svm_has_wbinvd_exit, .write_tsc_offset = svm_write_tsc_offset, - .adjust_tsc_offset_guest = svm_adjust_tsc_offset_guest, - .read_l1_tsc = svm_read_l1_tsc, .set_tdp_cr3 = set_tdp_cr3, diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index cf1b16d..5382b82 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -187,6 +187,7 @@ struct vmcs { */ struct loaded_vmcs { struct vmcs *vmcs; + struct vmcs *shadow_vmcs; int cpu; int launched; struct list_head loaded_vmcss_on_cpu_link; @@ -411,7 +412,6 @@ struct nested_vmx { * memory during VMXOFF, VMCLEAR, VMPTRLD. */ struct vmcs12 *cached_vmcs12; - struct vmcs *current_shadow_vmcs; /* * Indicates if the shadow vmcs must be updated with the * data hold by vmcs12 @@ -421,7 +421,6 @@ struct nested_vmx { /* vmcs02_list cache of VMCSs recently used to run L2 guests */ struct list_head vmcs02_pool; int vmcs02_num; - u64 vmcs01_tsc_offset; bool change_vmcs01_virtual_x2apic_mode; /* L2 must run next, and mustn't decide to exit to L1. */ bool nested_run_pending; @@ -1419,6 +1418,8 @@ static void vmcs_clear(struct vmcs *vmcs) static inline void loaded_vmcs_init(struct loaded_vmcs *loaded_vmcs) { vmcs_clear(loaded_vmcs->vmcs); + if (loaded_vmcs->shadow_vmcs && loaded_vmcs->launched) + vmcs_clear(loaded_vmcs->shadow_vmcs); loaded_vmcs->cpu = -1; loaded_vmcs->launched = 0; } @@ -2605,20 +2606,6 @@ static u64 guest_read_tsc(struct kvm_vcpu *vcpu) } /* - * Like guest_read_tsc, but always returns L1's notion of the timestamp - * counter, even if a nested guest (L2) is currently running. - */ -static u64 vmx_read_l1_tsc(struct kvm_vcpu *vcpu, u64 host_tsc) -{ - u64 tsc_offset; - - tsc_offset = is_guest_mode(vcpu) ? - to_vmx(vcpu)->nested.vmcs01_tsc_offset : - vmcs_read64(TSC_OFFSET); - return host_tsc + tsc_offset; -} - -/* * writes 'offset' into guest's timestamp counter offset register */ static void vmx_write_tsc_offset(struct kvm_vcpu *vcpu, u64 offset) @@ -2631,7 +2618,6 @@ static void vmx_write_tsc_offset(struct kvm_vcpu *vcpu, u64 offset) * to the newly set TSC to get L2's TSC. */ struct vmcs12 *vmcs12; - to_vmx(vcpu)->nested.vmcs01_tsc_offset = offset; /* recalculate vmcs02.TSC_OFFSET: */ vmcs12 = get_vmcs12(vcpu); vmcs_write64(TSC_OFFSET, offset + @@ -2644,19 +2630,6 @@ static void vmx_write_tsc_offset(struct kvm_vcpu *vcpu, u64 offset) } } -static void vmx_adjust_tsc_offset_guest(struct kvm_vcpu *vcpu, s64 adjustment) -{ - u64 offset = vmcs_read64(TSC_OFFSET); - - vmcs_write64(TSC_OFFSET, offset + adjustment); - if (is_guest_mode(vcpu)) { - /* Even when running L2, the adjustment needs to apply to L1 */ - to_vmx(vcpu)->nested.vmcs01_tsc_offset += adjustment; - } else - trace_kvm_write_tsc_offset(vcpu->vcpu_id, offset, - offset + adjustment); -} - static bool guest_cpuid_has_vmx(struct kvm_vcpu *vcpu) { struct kvm_cpuid_entry2 *best = kvm_find_cpuid_entry(vcpu, 1, 0); @@ -3562,6 +3535,7 @@ static void free_loaded_vmcs(struct loaded_vmcs *loaded_vmcs) loaded_vmcs_clear(loaded_vmcs); free_vmcs(loaded_vmcs->vmcs); loaded_vmcs->vmcs = NULL; + WARN_ON(loaded_vmcs->shadow_vmcs != NULL); } static void free_kvm_area(void) @@ -6696,6 +6670,7 @@ static struct loaded_vmcs *nested_get_current_vmcs02(struct vcpu_vmx *vmx) if (!item) return NULL; item->vmcs02.vmcs = alloc_vmcs(); + item->vmcs02.shadow_vmcs = NULL; if (!item->vmcs02.vmcs) { kfree(item); return NULL; @@ -7072,7 +7047,7 @@ static int handle_vmon(struct kvm_vcpu *vcpu) shadow_vmcs->revision_id |= (1u << 31); /* init shadow vmcs */ vmcs_clear(shadow_vmcs); - vmx->nested.current_shadow_vmcs = shadow_vmcs; + vmx->vmcs01.shadow_vmcs = shadow_vmcs; } INIT_LIST_HEAD(&(vmx->nested.vmcs02_pool)); @@ -7174,8 +7149,11 @@ static void free_nested(struct vcpu_vmx *vmx) free_page((unsigned long)vmx->nested.msr_bitmap); vmx->nested.msr_bitmap = NULL; } - if (enable_shadow_vmcs) - free_vmcs(vmx->nested.current_shadow_vmcs); + if (enable_shadow_vmcs) { + vmcs_clear(vmx->vmcs01.shadow_vmcs); + free_vmcs(vmx->vmcs01.shadow_vmcs); + vmx->vmcs01.shadow_vmcs = NULL; + } kfree(vmx->nested.cached_vmcs12); /* Unpin physical memory we referred to in current vmcs02 */ if (vmx->nested.apic_access_page) { @@ -7352,7 +7330,7 @@ static void copy_shadow_to_vmcs12(struct vcpu_vmx *vmx) int i; unsigned long field; u64 field_value; - struct vmcs *shadow_vmcs = vmx->nested.current_shadow_vmcs; + struct vmcs *shadow_vmcs = vmx->vmcs01.shadow_vmcs; const unsigned long *fields = shadow_read_write_fields; const int num_fields = max_shadow_read_write_fields; @@ -7401,7 +7379,7 @@ static void copy_vmcs12_to_shadow(struct vcpu_vmx *vmx) int i, q; unsigned long field; u64 field_value = 0; - struct vmcs *shadow_vmcs = vmx->nested.current_shadow_vmcs; + struct vmcs *shadow_vmcs = vmx->vmcs01.shadow_vmcs; vmcs_load(shadow_vmcs); @@ -7591,7 +7569,7 @@ static int handle_vmptrld(struct kvm_vcpu *vcpu) vmcs_set_bits(SECONDARY_VM_EXEC_CONTROL, SECONDARY_EXEC_SHADOW_VMCS); vmcs_write64(VMCS_LINK_POINTER, - __pa(vmx->nested.current_shadow_vmcs)); + __pa(vmx->vmcs01.shadow_vmcs)); vmx->nested.sync_shadow_vmcs = true; } } @@ -7659,7 +7637,7 @@ static int handle_invept(struct kvm_vcpu *vcpu) types = (vmx->nested.nested_vmx_ept_caps >> VMX_EPT_EXTENT_SHIFT) & 6; - if (!(types & (1UL << type))) { + if (type >= 32 || !(types & (1 << type))) { nested_vmx_failValid(vcpu, VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID); skip_emulated_instruction(vcpu); @@ -7722,7 +7700,7 @@ static int handle_invvpid(struct kvm_vcpu *vcpu) types = (vmx->nested.nested_vmx_vpid_caps >> 8) & 0x7; - if (!(types & (1UL << type))) { + if (type >= 32 || !(types & (1 << type))) { nested_vmx_failValid(vcpu, VMXERR_INVALID_OPERAND_TO_INVEPT_INVVPID); skip_emulated_instruction(vcpu); @@ -9156,6 +9134,7 @@ static struct kvm_vcpu *vmx_create_vcpu(struct kvm *kvm, unsigned int id) vmx->loaded_vmcs = &vmx->vmcs01; vmx->loaded_vmcs->vmcs = alloc_vmcs(); + vmx->loaded_vmcs->shadow_vmcs = NULL; if (!vmx->loaded_vmcs->vmcs) goto free_msrs; if (!vmm_exclusive) @@ -10061,9 +10040,9 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) if (vmcs12->cpu_based_vm_exec_control & CPU_BASED_USE_TSC_OFFSETING) vmcs_write64(TSC_OFFSET, - vmx->nested.vmcs01_tsc_offset + vmcs12->tsc_offset); + vcpu->arch.tsc_offset + vmcs12->tsc_offset); else - vmcs_write64(TSC_OFFSET, vmx->nested.vmcs01_tsc_offset); + vmcs_write64(TSC_OFFSET, vcpu->arch.tsc_offset); if (kvm_has_tsc_control) decache_tsc_multiplier(vmx); @@ -10293,8 +10272,6 @@ static int nested_vmx_run(struct kvm_vcpu *vcpu, bool launch) enter_guest_mode(vcpu); - vmx->nested.vmcs01_tsc_offset = vmcs_read64(TSC_OFFSET); - if (!(vmcs12->vm_entry_controls & VM_ENTRY_LOAD_DEBUG_CONTROLS)) vmx->nested.vmcs01_debugctl = vmcs_read64(GUEST_IA32_DEBUGCTL); @@ -10818,7 +10795,7 @@ static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason, load_vmcs12_host_state(vcpu, vmcs12); /* Update any VMCS fields that might have changed while L2 ran */ - vmcs_write64(TSC_OFFSET, vmx->nested.vmcs01_tsc_offset); + vmcs_write64(TSC_OFFSET, vcpu->arch.tsc_offset); if (vmx->hv_deadline_tsc == -1) vmcs_clear_bits(PIN_BASED_VM_EXEC_CONTROL, PIN_BASED_VMX_PREEMPTION_TIMER); @@ -11339,8 +11316,6 @@ static struct kvm_x86_ops vmx_x86_ops __ro_after_init = { .has_wbinvd_exit = cpu_has_vmx_wbinvd_exit, .write_tsc_offset = vmx_write_tsc_offset, - .adjust_tsc_offset_guest = vmx_adjust_tsc_offset_guest, - .read_l1_tsc = vmx_read_l1_tsc, .set_tdp_cr3 = vmx_set_cr3, diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index e375235..3017de0 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1409,7 +1409,7 @@ static u64 kvm_compute_tsc_offset(struct kvm_vcpu *vcpu, u64 target_tsc) u64 kvm_read_l1_tsc(struct kvm_vcpu *vcpu, u64 host_tsc) { - return kvm_x86_ops->read_l1_tsc(vcpu, kvm_scale_tsc(vcpu, host_tsc)); + return vcpu->arch.tsc_offset + kvm_scale_tsc(vcpu, host_tsc); } EXPORT_SYMBOL_GPL(kvm_read_l1_tsc); @@ -1547,7 +1547,7 @@ EXPORT_SYMBOL_GPL(kvm_write_tsc); static inline void adjust_tsc_offset_guest(struct kvm_vcpu *vcpu, s64 adjustment) { - kvm_x86_ops->adjust_tsc_offset_guest(vcpu, adjustment); + kvm_vcpu_write_tsc_offset(vcpu, vcpu->arch.tsc_offset + adjustment); } static inline void adjust_tsc_offset_host(struct kvm_vcpu *vcpu, s64 adjustment) @@ -1555,7 +1555,7 @@ static inline void adjust_tsc_offset_host(struct kvm_vcpu *vcpu, s64 adjustment) if (vcpu->arch.tsc_scaling_ratio != kvm_default_tsc_scaling_ratio) WARN_ON(adjustment < 0); adjustment = kvm_scale_tsc(vcpu, (u64) adjustment); - kvm_x86_ops->adjust_tsc_offset_guest(vcpu, adjustment); + adjust_tsc_offset_guest(vcpu, adjustment); } #ifdef CONFIG_X86_64 @@ -2262,7 +2262,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) /* Drop writes to this legacy MSR -- see rdmsr * counterpart for further detail. */ - vcpu_unimpl(vcpu, "ignored wrmsr: 0x%x data %llx\n", msr, data); + vcpu_unimpl(vcpu, "ignored wrmsr: 0x%x data 0x%llx\n", msr, data); break; case MSR_AMD64_OSVW_ID_LENGTH: if (!guest_cpuid_has_osvw(vcpu)) @@ -2280,11 +2280,11 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info) if (kvm_pmu_is_valid_msr(vcpu, msr)) return kvm_pmu_set_msr(vcpu, msr_info); if (!ignore_msrs) { - vcpu_unimpl(vcpu, "unhandled wrmsr: 0x%x data %llx\n", + vcpu_unimpl(vcpu, "unhandled wrmsr: 0x%x data 0x%llx\n", msr, data); return 1; } else { - vcpu_unimpl(vcpu, "ignored wrmsr: 0x%x data %llx\n", + vcpu_unimpl(vcpu, "ignored wrmsr: 0x%x data 0x%llx\n", msr, data); break; } @@ -7410,10 +7410,12 @@ void kvm_put_guest_fpu(struct kvm_vcpu *vcpu) void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu) { + void *wbinvd_dirty_mask = vcpu->arch.wbinvd_dirty_mask; + kvmclock_reset(vcpu); - free_cpumask_var(vcpu->arch.wbinvd_dirty_mask); kvm_x86_ops->vcpu_free(vcpu); + free_cpumask_var(wbinvd_dirty_mask); } struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c index bf99aa7..936a488 100644 --- a/arch/x86/platform/efi/efi.c +++ b/arch/x86/platform/efi/efi.c @@ -861,7 +861,7 @@ static void __init __efi_enter_virtual_mode(void) int count = 0, pg_shift = 0; void *new_memmap = NULL; efi_status_t status; - phys_addr_t pa; + unsigned long pa; efi.systab = NULL; diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index 58b0f80..319148b 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -31,6 +31,7 @@ #include <linux/io.h> #include <linux/reboot.h> #include <linux/slab.h> +#include <linux/ucs2_string.h> #include <asm/setup.h> #include <asm/page.h> @@ -211,6 +212,35 @@ void efi_sync_low_kernel_mappings(void) memcpy(pud_efi, pud_k, sizeof(pud_t) * num_entries); } +/* + * Wrapper for slow_virt_to_phys() that handles NULL addresses. + */ +static inline phys_addr_t +virt_to_phys_or_null_size(void *va, unsigned long size) +{ + bool bad_size; + + if (!va) + return 0; + + if (virt_addr_valid(va)) + return virt_to_phys(va); + + /* + * A fully aligned variable on the stack is guaranteed not to + * cross a page bounary. Try to catch strings on the stack by + * checking that 'size' is a power of two. + */ + bad_size = size > PAGE_SIZE || !is_power_of_2(size); + + WARN_ON(!IS_ALIGNED((unsigned long)va, size) || bad_size); + + return slow_virt_to_phys(va); +} + +#define virt_to_phys_or_null(addr) \ + virt_to_phys_or_null_size((addr), sizeof(*(addr))) + int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages) { unsigned long pfn, text; @@ -494,8 +524,8 @@ static efi_status_t efi_thunk_get_time(efi_time_t *tm, efi_time_cap_t *tc) spin_lock(&rtc_lock); - phys_tm = virt_to_phys(tm); - phys_tc = virt_to_phys(tc); + phys_tm = virt_to_phys_or_null(tm); + phys_tc = virt_to_phys_or_null(tc); status = efi_thunk(get_time, phys_tm, phys_tc); @@ -511,7 +541,7 @@ static efi_status_t efi_thunk_set_time(efi_time_t *tm) spin_lock(&rtc_lock); - phys_tm = virt_to_phys(tm); + phys_tm = virt_to_phys_or_null(tm); status = efi_thunk(set_time, phys_tm); @@ -529,9 +559,9 @@ efi_thunk_get_wakeup_time(efi_bool_t *enabled, efi_bool_t *pending, spin_lock(&rtc_lock); - phys_enabled = virt_to_phys(enabled); - phys_pending = virt_to_phys(pending); - phys_tm = virt_to_phys(tm); + phys_enabled = virt_to_phys_or_null(enabled); + phys_pending = virt_to_phys_or_null(pending); + phys_tm = virt_to_phys_or_null(tm); status = efi_thunk(get_wakeup_time, phys_enabled, phys_pending, phys_tm); @@ -549,7 +579,7 @@ efi_thunk_set_wakeup_time(efi_bool_t enabled, efi_time_t *tm) spin_lock(&rtc_lock); - phys_tm = virt_to_phys(tm); + phys_tm = virt_to_phys_or_null(tm); status = efi_thunk(set_wakeup_time, enabled, phys_tm); @@ -558,6 +588,10 @@ efi_thunk_set_wakeup_time(efi_bool_t enabled, efi_time_t *tm) return status; } +static unsigned long efi_name_size(efi_char16_t *name) +{ + return ucs2_strsize(name, EFI_VAR_NAME_LEN) + 1; +} static efi_status_t efi_thunk_get_variable(efi_char16_t *name, efi_guid_t *vendor, @@ -567,11 +601,11 @@ efi_thunk_get_variable(efi_char16_t *name, efi_guid_t *vendor, u32 phys_name, phys_vendor, phys_attr; u32 phys_data_size, phys_data; - phys_data_size = virt_to_phys(data_size); - phys_vendor = virt_to_phys(vendor); - phys_name = virt_to_phys(name); - phys_attr = virt_to_phys(attr); - phys_data = virt_to_phys(data); + phys_data_size = virt_to_phys_or_null(data_size); + phys_vendor = virt_to_phys_or_null(vendor); + phys_name = virt_to_phys_or_null_size(name, efi_name_size(name)); + phys_attr = virt_to_phys_or_null(attr); + phys_data = virt_to_phys_or_null_size(data, *data_size); status = efi_thunk(get_variable, phys_name, phys_vendor, phys_attr, phys_data_size, phys_data); @@ -586,9 +620,9 @@ efi_thunk_set_variable(efi_char16_t *name, efi_guid_t *vendor, u32 phys_name, phys_vendor, phys_data; efi_status_t status; - phys_name = virt_to_phys(name); - phys_vendor = virt_to_phys(vendor); - phys_data = virt_to_phys(data); + phys_name = virt_to_phys_or_null_size(name, efi_name_size(name)); + phys_vendor = virt_to_phys_or_null(vendor); + phys_data = virt_to_phys_or_null_size(data, data_size); /* If data_size is > sizeof(u32) we've got problems */ status = efi_thunk(set_variable, phys_name, phys_vendor, @@ -605,9 +639,9 @@ efi_thunk_get_next_variable(unsigned long *name_size, efi_status_t status; u32 phys_name_size, phys_name, phys_vendor; - phys_name_size = virt_to_phys(name_size); - phys_vendor = virt_to_phys(vendor); - phys_name = virt_to_phys(name); + phys_name_size = virt_to_phys_or_null(name_size); + phys_vendor = virt_to_phys_or_null(vendor); + phys_name = virt_to_phys_or_null_size(name, *name_size); status = efi_thunk(get_next_variable, phys_name_size, phys_name, phys_vendor); @@ -621,7 +655,7 @@ efi_thunk_get_next_high_mono_count(u32 *count) efi_status_t status; u32 phys_count; - phys_count = virt_to_phys(count); + phys_count = virt_to_phys_or_null(count); status = efi_thunk(get_next_high_mono_count, phys_count); return status; @@ -633,7 +667,7 @@ efi_thunk_reset_system(int reset_type, efi_status_t status, { u32 phys_data; - phys_data = virt_to_phys(data); + phys_data = virt_to_phys_or_null_size(data, data_size); efi_thunk(reset_system, reset_type, status, data_size, phys_data); } @@ -661,9 +695,9 @@ efi_thunk_query_variable_info(u32 attr, u64 *storage_space, if (efi.runtime_version < EFI_2_00_SYSTEM_TABLE_REVISION) return EFI_UNSUPPORTED; - phys_storage = virt_to_phys(storage_space); - phys_remaining = virt_to_phys(remaining_space); - phys_max = virt_to_phys(max_variable_size); + phys_storage = virt_to_phys_or_null(storage_space); + phys_remaining = virt_to_phys_or_null(remaining_space); + phys_max = virt_to_phys_or_null(max_variable_size); status = efi_thunk(query_variable_info, attr, phys_storage, phys_remaining, phys_max); diff --git a/arch/x86/platform/intel-mid/pwr.c b/arch/x86/platform/intel-mid/pwr.c index 5d3b45a..67375dd 100644 --- a/arch/x86/platform/intel-mid/pwr.c +++ b/arch/x86/platform/intel-mid/pwr.c @@ -272,6 +272,25 @@ int intel_mid_pci_set_power_state(struct pci_dev *pdev, pci_power_t state) } EXPORT_SYMBOL_GPL(intel_mid_pci_set_power_state); +pci_power_t intel_mid_pci_get_power_state(struct pci_dev *pdev) +{ + struct mid_pwr *pwr = midpwr; + int id, reg, bit; + u32 power; + + if (!pwr || !pwr->available) + return PCI_UNKNOWN; + + id = intel_mid_pwr_get_lss_id(pdev); + if (id < 0) + return PCI_UNKNOWN; + + reg = (id * LSS_PWS_BITS) / 32; + bit = (id * LSS_PWS_BITS) % 32; + power = mid_pwr_get_state(pwr, reg); + return (__force pci_power_t)((power >> bit) & 3); +} + void intel_mid_pwr_power_off(void) { struct mid_pwr *pwr = midpwr; diff --git a/drivers/acpi/acpi_apd.c b/drivers/acpi/acpi_apd.c index d58fbf7..7dd7092 100644 --- a/drivers/acpi/acpi_apd.c +++ b/drivers/acpi/acpi_apd.c @@ -122,7 +122,7 @@ static int acpi_apd_create_device(struct acpi_device *adev, int ret; if (!dev_desc) { - pdev = acpi_create_platform_device(adev); + pdev = acpi_create_platform_device(adev, NULL); return IS_ERR_OR_NULL(pdev) ? PTR_ERR(pdev) : 1; } @@ -139,14 +139,8 @@ static int acpi_apd_create_device(struct acpi_device *adev, goto err_out; } - if (dev_desc->properties) { - ret = device_add_properties(&adev->dev, dev_desc->properties); - if (ret) - goto err_out; - } - adev->driver_data = pdata; - pdev = acpi_create_platform_device(adev); + pdev = acpi_create_platform_device(adev, dev_desc->properties); if (!IS_ERR_OR_NULL(pdev)) return 1; diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c index 5520102..373657f 100644 --- a/drivers/acpi/acpi_lpss.c +++ b/drivers/acpi/acpi_lpss.c @@ -395,7 +395,7 @@ static int acpi_lpss_create_device(struct acpi_device *adev, dev_desc = (const struct lpss_device_desc *)id->driver_data; if (!dev_desc) { - pdev = acpi_create_platform_device(adev); + pdev = acpi_create_platform_device(adev, NULL); return IS_ERR_OR_NULL(pdev) ? PTR_ERR(pdev) : 1; } pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); @@ -451,14 +451,8 @@ static int acpi_lpss_create_device(struct acpi_device *adev, goto err_out; } - if (dev_desc->properties) { - ret = device_add_properties(&adev->dev, dev_desc->properties); - if (ret) - goto err_out; - } - adev->driver_data = pdata; - pdev = acpi_create_platform_device(adev); + pdev = acpi_create_platform_device(adev, dev_desc->properties); if (!IS_ERR_OR_NULL(pdev)) { return 1; } diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c index b200ae1..b4c1a6a 100644 --- a/drivers/acpi/acpi_platform.c +++ b/drivers/acpi/acpi_platform.c @@ -50,6 +50,7 @@ static void acpi_platform_fill_resource(struct acpi_device *adev, /** * acpi_create_platform_device - Create platform device for ACPI device node * @adev: ACPI device node to create a platform device for. + * @properties: Optional collection of build-in properties. * * Check if the given @adev can be represented as a platform device and, if * that's the case, create and register a platform device, populate its common @@ -57,7 +58,8 @@ static void acpi_platform_fill_resource(struct acpi_device *adev, * * Name of the platform device will be the same as @adev's. */ -struct platform_device *acpi_create_platform_device(struct acpi_device *adev) +struct platform_device *acpi_create_platform_device(struct acpi_device *adev, + struct property_entry *properties) { struct platform_device *pdev = NULL; struct platform_device_info pdevinfo; @@ -106,6 +108,7 @@ struct platform_device *acpi_create_platform_device(struct acpi_device *adev) pdevinfo.res = resources; pdevinfo.num_res = count; pdevinfo.fwnode = acpi_fwnode_handle(adev); + pdevinfo.properties = properties; if (acpi_dma_supported(adev)) pdevinfo.dma_mask = DMA_BIT_MASK(32); diff --git a/drivers/acpi/dptf/int340x_thermal.c b/drivers/acpi/dptf/int340x_thermal.c index 33505c6..8636409 100644 --- a/drivers/acpi/dptf/int340x_thermal.c +++ b/drivers/acpi/dptf/int340x_thermal.c @@ -34,11 +34,11 @@ static int int340x_thermal_handler_attach(struct acpi_device *adev, const struct acpi_device_id *id) { if (IS_ENABLED(CONFIG_INT340X_THERMAL)) - acpi_create_platform_device(adev); + acpi_create_platform_device(adev, NULL); /* Intel SoC DTS thermal driver needs INT3401 to set IRQ descriptor */ else if (IS_ENABLED(CONFIG_INTEL_SOC_DTS_THERMAL) && id->driver_data == INT3401_DEVICE) - acpi_create_platform_device(adev); + acpi_create_platform_device(adev, NULL); return 1; } diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 035ac64..3d1856f 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1734,7 +1734,7 @@ static void acpi_default_enumeration(struct acpi_device *device) &is_spi_i2c_slave); acpi_dev_free_resource_list(&resource_list); if (!is_spi_i2c_slave) { - acpi_create_platform_device(device); + acpi_create_platform_device(device, NULL); acpi_device_set_enumerated(device); } else { blocking_notifier_call_chain(&acpi_reconfig_chain, diff --git a/drivers/base/dd.c b/drivers/base/dd.c index d22a726..d76cd97 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -324,7 +324,8 @@ static int really_probe(struct device *dev, struct device_driver *drv) { int ret = -EPROBE_DEFER; int local_trigger_count = atomic_read(&deferred_trigger_count); - bool test_remove = IS_ENABLED(CONFIG_DEBUG_TEST_DRIVER_REMOVE); + bool test_remove = IS_ENABLED(CONFIG_DEBUG_TEST_DRIVER_REMOVE) && + !drv->suppress_bind_attrs; if (defer_all_probes) { /* @@ -383,7 +384,7 @@ re_probe: if (test_remove) { test_remove = false; - if (dev->bus && dev->bus->remove) + if (dev->bus->remove) dev->bus->remove(dev); else if (drv->remove) drv->remove(dev); diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index e44944f..2932a5b 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -1027,6 +1027,8 @@ static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool a TRACE_DEVICE(dev); TRACE_SUSPEND(0); + dpm_wait_for_children(dev, async); + if (async_error) goto Complete; @@ -1038,8 +1040,6 @@ static int __device_suspend_noirq(struct device *dev, pm_message_t state, bool a if (dev->power.syscore || dev->power.direct_complete) goto Complete; - dpm_wait_for_children(dev, async); - if (dev->pm_domain) { info = "noirq power domain "; callback = pm_noirq_op(&dev->pm_domain->ops, state); @@ -1174,6 +1174,8 @@ static int __device_suspend_late(struct device *dev, pm_message_t state, bool as __pm_runtime_disable(dev, false); + dpm_wait_for_children(dev, async); + if (async_error) goto Complete; @@ -1185,8 +1187,6 @@ static int __device_suspend_late(struct device *dev, pm_message_t state, bool as if (dev->power.syscore || dev->power.direct_complete) goto Complete; - dpm_wait_for_children(dev, async); - if (dev->pm_domain) { info = "late power domain "; callback = pm_late_early_op(&dev->pm_domain->ops, state); diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index ab19adb..3c606c0 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -853,45 +853,6 @@ rqbiocnt(struct request *r) return n; } -/* This can be removed if we are certain that no users of the block - * layer will ever use zero-count pages in bios. Otherwise we have to - * protect against the put_page sometimes done by the network layer. - * - * See http://oss.sgi.com/archives/xfs/2007-01/msg00594.html for - * discussion. - * - * We cannot use get_page in the workaround, because it insists on a - * positive page count as a precondition. So we use _refcount directly. - */ -static void -bio_pageinc(struct bio *bio) -{ - struct bio_vec bv; - struct page *page; - struct bvec_iter iter; - - bio_for_each_segment(bv, bio, iter) { - /* Non-zero page count for non-head members of - * compound pages is no longer allowed by the kernel. - */ - page = compound_head(bv.bv_page); - page_ref_inc(page); - } -} - -static void -bio_pagedec(struct bio *bio) -{ - struct page *page; - struct bio_vec bv; - struct bvec_iter iter; - - bio_for_each_segment(bv, bio, iter) { - page = compound_head(bv.bv_page); - page_ref_dec(page); - } -} - static void bufinit(struct buf *buf, struct request *rq, struct bio *bio) { @@ -899,7 +860,6 @@ bufinit(struct buf *buf, struct request *rq, struct bio *bio) buf->rq = rq; buf->bio = bio; buf->iter = bio->bi_iter; - bio_pageinc(bio); } static struct buf * @@ -1127,7 +1087,6 @@ aoe_end_buf(struct aoedev *d, struct buf *buf) if (buf == d->ip.buf) d->ip.buf = NULL; rq = buf->rq; - bio_pagedec(buf->bio); mempool_free(buf, d->bufpool); n = (unsigned long) rq->special; rq->special = (void *) --n; diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 100be55..8348272 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1871,7 +1871,7 @@ int drbd_send(struct drbd_connection *connection, struct socket *sock, drbd_update_congested(connection); } do { - rv = kernel_sendmsg(sock, &msg, &iov, 1, size); + rv = kernel_sendmsg(sock, &msg, &iov, 1, iov.iov_len); if (rv == -EAGAIN) { if (we_should_drop_the_connection(connection, sock)) break; diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 19a16b2..7a10487 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -599,7 +599,7 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd, return -EINVAL; sreq = blk_mq_alloc_request(bdev_get_queue(bdev), WRITE, 0); - if (!sreq) + if (IS_ERR(sreq)) return -ENOMEM; mutex_unlock(&nbd->tx_lock); diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 2dc5c96..5545a67 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -376,7 +376,7 @@ static void virtblk_config_changed(struct virtio_device *vdev) static int init_vq(struct virtio_blk *vblk) { - int err = 0; + int err; int i; vq_callback_t **callbacks; const char **names; @@ -390,13 +390,13 @@ static int init_vq(struct virtio_blk *vblk) if (err) num_vqs = 1; - vblk->vqs = kmalloc(sizeof(*vblk->vqs) * num_vqs, GFP_KERNEL); + vblk->vqs = kmalloc_array(num_vqs, sizeof(*vblk->vqs), GFP_KERNEL); if (!vblk->vqs) return -ENOMEM; - names = kmalloc(sizeof(*names) * num_vqs, GFP_KERNEL); - callbacks = kmalloc(sizeof(*callbacks) * num_vqs, GFP_KERNEL); - vqs = kmalloc(sizeof(*vqs) * num_vqs, GFP_KERNEL); + names = kmalloc_array(num_vqs, sizeof(*names), GFP_KERNEL); + callbacks = kmalloc_array(num_vqs, sizeof(*callbacks), GFP_KERNEL); + vqs = kmalloc_array(num_vqs, sizeof(*vqs), GFP_KERNEL); if (!names || !callbacks || !vqs) { err = -ENOMEM; goto out; diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c index d233688..6af1ce0 100644 --- a/drivers/char/ppdev.c +++ b/drivers/char/ppdev.c @@ -748,10 +748,7 @@ static int pp_release(struct inode *inode, struct file *file) } if (pp->pdev) { - const char *name = pp->pdev->name; - parport_unregister_device(pp->pdev); - kfree(name); pp->pdev = NULL; pr_debug(CHRDEV "%x: unregistered pardevice\n", minor); } diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c index 8de6187..3a9149c 100644 --- a/drivers/char/tpm/tpm-interface.c +++ b/drivers/char/tpm/tpm-interface.c @@ -813,9 +813,6 @@ int tpm_do_selftest(struct tpm_chip *chip) continue; } - if (rc < TPM_HEADER_SIZE) - return -EFAULT; - if (rc == TPM_ERR_DISABLED || rc == TPM_ERR_DEACTIVATED) { dev_info(&chip->dev, "TPM is disabled/deactivated (0x%X)\n", rc); diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index d433b1d..5649234 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1539,19 +1539,29 @@ static void remove_port_data(struct port *port) spin_lock_irq(&port->inbuf_lock); /* Remove unused data this port might have received. */ discard_port_data(port); + spin_unlock_irq(&port->inbuf_lock); /* Remove buffers we queued up for the Host to send us data in. */ - while ((buf = virtqueue_detach_unused_buf(port->in_vq))) - free_buf(buf, true); - spin_unlock_irq(&port->inbuf_lock); + do { + spin_lock_irq(&port->inbuf_lock); + buf = virtqueue_detach_unused_buf(port->in_vq); + spin_unlock_irq(&port->inbuf_lock); + if (buf) + free_buf(buf, true); + } while (buf); spin_lock_irq(&port->outvq_lock); reclaim_consumed_buffers(port); + spin_unlock_irq(&port->outvq_lock); /* Free pending buffers from the out-queue. */ - while ((buf = virtqueue_detach_unused_buf(port->out_vq))) - free_buf(buf, true); - spin_unlock_irq(&port->outvq_lock); + do { + spin_lock_irq(&port->outvq_lock); + buf = virtqueue_detach_unused_buf(port->out_vq); + spin_unlock_irq(&port->outvq_lock); + if (buf) + free_buf(buf, true); + } while (buf); } /* diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c index 20b1055..80ae2a5 100644 --- a/drivers/clk/clk-qoriq.c +++ b/drivers/clk/clk-qoriq.c @@ -700,6 +700,7 @@ static struct clk * __init create_mux_common(struct clockgen *cg, struct mux_hwclock *hwc, const struct clk_ops *ops, unsigned long min_rate, + unsigned long max_rate, unsigned long pct80_rate, const char *fmt, int idx) { @@ -728,6 +729,8 @@ static struct clk * __init create_mux_common(struct clockgen *cg, continue; if (rate < min_rate) continue; + if (rate > max_rate) + continue; parent_names[j] = div->name; hwc->parent_to_clksel[j] = i; @@ -759,7 +762,7 @@ static struct clk * __init create_one_cmux(struct clockgen *cg, int idx) struct mux_hwclock *hwc; const struct clockgen_pll_div *div; unsigned long plat_rate, min_rate; - u64 pct80_rate; + u64 max_rate, pct80_rate; u32 clksel; hwc = kzalloc(sizeof(*hwc), GFP_KERNEL); @@ -787,8 +790,8 @@ static struct clk * __init create_one_cmux(struct clockgen *cg, int idx) return NULL; } - pct80_rate = clk_get_rate(div->clk); - pct80_rate *= 8; + max_rate = clk_get_rate(div->clk); + pct80_rate = max_rate * 8; do_div(pct80_rate, 10); plat_rate = clk_get_rate(cg->pll[PLATFORM_PLL].div[PLL_DIV1].clk); @@ -798,7 +801,7 @@ static struct clk * __init create_one_cmux(struct clockgen *cg, int idx) else min_rate = plat_rate / 2; - return create_mux_common(cg, hwc, &cmux_ops, min_rate, + return create_mux_common(cg, hwc, &cmux_ops, min_rate, max_rate, pct80_rate, "cg-cmux%d", idx); } @@ -813,7 +816,7 @@ static struct clk * __init create_one_hwaccel(struct clockgen *cg, int idx) hwc->reg = cg->regs + 0x20 * idx + 0x10; hwc->info = cg->info.hwaccel[idx]; - return create_mux_common(cg, hwc, &hwaccel_ops, 0, 0, + return create_mux_common(cg, hwc, &hwaccel_ops, 0, ULONG_MAX, 0, "cg-hwaccel%d", idx); } diff --git a/drivers/clk/clk-xgene.c b/drivers/clk/clk-xgene.c index 5daddf5..bc37030 100644 --- a/drivers/clk/clk-xgene.c +++ b/drivers/clk/clk-xgene.c @@ -463,22 +463,20 @@ static int xgene_clk_enable(struct clk_hw *hw) struct xgene_clk *pclk = to_xgene_clk(hw); unsigned long flags = 0; u32 data; - phys_addr_t reg; if (pclk->lock) spin_lock_irqsave(pclk->lock, flags); if (pclk->param.csr_reg != NULL) { pr_debug("%s clock enabled\n", clk_hw_get_name(hw)); - reg = __pa(pclk->param.csr_reg); /* First enable the clock */ data = xgene_clk_read(pclk->param.csr_reg + pclk->param.reg_clk_offset); data |= pclk->param.reg_clk_mask; xgene_clk_write(data, pclk->param.csr_reg + pclk->param.reg_clk_offset); - pr_debug("%s clock PADDR base %pa clk offset 0x%08X mask 0x%08X value 0x%08X\n", - clk_hw_get_name(hw), ®, + pr_debug("%s clk offset 0x%08X mask 0x%08X value 0x%08X\n", + clk_hw_get_name(hw), pclk->param.reg_clk_offset, pclk->param.reg_clk_mask, data); @@ -488,8 +486,8 @@ static int xgene_clk_enable(struct clk_hw *hw) data &= ~pclk->param.reg_csr_mask; xgene_clk_write(data, pclk->param.csr_reg + pclk->param.reg_csr_offset); - pr_debug("%s CSR RESET PADDR base %pa csr offset 0x%08X mask 0x%08X value 0x%08X\n", - clk_hw_get_name(hw), ®, + pr_debug("%s csr offset 0x%08X mask 0x%08X value 0x%08X\n", + clk_hw_get_name(hw), pclk->param.reg_csr_offset, pclk->param.reg_csr_mask, data); } diff --git a/drivers/clk/imx/clk-pllv3.c b/drivers/clk/imx/clk-pllv3.c index 19f9b62..7a6acc3 100644 --- a/drivers/clk/imx/clk-pllv3.c +++ b/drivers/clk/imx/clk-pllv3.c @@ -223,7 +223,7 @@ static unsigned long clk_pllv3_av_recalc_rate(struct clk_hw *hw, temp64 *= mfn; do_div(temp64, mfd); - return (parent_rate * div) + (u32)temp64; + return parent_rate * div + (unsigned long)temp64; } static long clk_pllv3_av_round_rate(struct clk_hw *hw, unsigned long rate, @@ -247,7 +247,11 @@ static long clk_pllv3_av_round_rate(struct clk_hw *hw, unsigned long rate, do_div(temp64, parent_rate); mfn = temp64; - return parent_rate * div + parent_rate * mfn / mfd; + temp64 = (u64)parent_rate; + temp64 *= mfn; + do_div(temp64, mfd); + + return parent_rate * div + (unsigned long)temp64; } static int clk_pllv3_av_set_rate(struct clk_hw *hw, unsigned long rate, diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c index 3a51fff..9adaf48 100644 --- a/drivers/clk/mmp/clk-of-mmp2.c +++ b/drivers/clk/mmp/clk-of-mmp2.c @@ -313,7 +313,7 @@ static void __init mmp2_clk_init(struct device_node *np) } pxa_unit->apmu_base = of_iomap(np, 1); - if (!pxa_unit->mpmu_base) { + if (!pxa_unit->apmu_base) { pr_err("failed to map apmu registers\n"); return; } diff --git a/drivers/clk/mmp/clk-of-pxa168.c b/drivers/clk/mmp/clk-of-pxa168.c index 87f2317..f110c02 100644 --- a/drivers/clk/mmp/clk-of-pxa168.c +++ b/drivers/clk/mmp/clk-of-pxa168.c @@ -262,7 +262,7 @@ static void __init pxa168_clk_init(struct device_node *np) } pxa_unit->apmu_base = of_iomap(np, 1); - if (!pxa_unit->mpmu_base) { + if (!pxa_unit->apmu_base) { pr_err("failed to map apmu registers\n"); return; } diff --git a/drivers/clk/mmp/clk-of-pxa910.c b/drivers/clk/mmp/clk-of-pxa910.c index e22a67f..64d1ef4 100644 --- a/drivers/clk/mmp/clk-of-pxa910.c +++ b/drivers/clk/mmp/clk-of-pxa910.c @@ -282,7 +282,7 @@ static void __init pxa910_clk_init(struct device_node *np) } pxa_unit->apmu_base = of_iomap(np, 1); - if (!pxa_unit->mpmu_base) { + if (!pxa_unit->apmu_base) { pr_err("failed to map apmu registers\n"); return; } @@ -294,7 +294,7 @@ static void __init pxa910_clk_init(struct device_node *np) } pxa_unit->apbcp_base = of_iomap(np, 3); - if (!pxa_unit->mpmu_base) { + if (!pxa_unit->apbcp_base) { pr_err("failed to map apbcp registers\n"); return; } diff --git a/drivers/clk/rockchip/clk-ddr.c b/drivers/clk/rockchip/clk-ddr.c index 8feba93..e807535 100644 --- a/drivers/clk/rockchip/clk-ddr.c +++ b/drivers/clk/rockchip/clk-ddr.c @@ -144,11 +144,8 @@ struct clk *rockchip_clk_register_ddrclk(const char *name, int flags, ddrclk->ddr_flag = ddr_flag; clk = clk_register(NULL, &ddrclk->hw); - if (IS_ERR(clk)) { - pr_err("%s: could not register ddrclk %s\n", __func__, name); + if (IS_ERR(clk)) kfree(ddrclk); - return NULL; - } return clk; } diff --git a/drivers/clk/samsung/clk-exynos-clkout.c b/drivers/clk/samsung/clk-exynos-clkout.c index 96fab6c..6c6afb87 100644 --- a/drivers/clk/samsung/clk-exynos-clkout.c +++ b/drivers/clk/samsung/clk-exynos-clkout.c @@ -132,28 +132,34 @@ free_clkout: pr_err("%s: failed to register clkout clock\n", __func__); } +/* + * We use CLK_OF_DECLARE_DRIVER initialization method to avoid setting + * the OF_POPULATED flag on the pmu device tree node, so later the + * Exynos PMU platform device can be properly probed with PMU driver. + */ + static void __init exynos4_clkout_init(struct device_node *node) { exynos_clkout_init(node, EXYNOS4_CLKOUT_MUX_MASK); } -CLK_OF_DECLARE(exynos4210_clkout, "samsung,exynos4210-pmu", +CLK_OF_DECLARE_DRIVER(exynos4210_clkout, "samsung,exynos4210-pmu", exynos4_clkout_init); -CLK_OF_DECLARE(exynos4212_clkout, "samsung,exynos4212-pmu", +CLK_OF_DECLARE_DRIVER(exynos4212_clkout, "samsung,exynos4212-pmu", exynos4_clkout_init); -CLK_OF_DECLARE(exynos4412_clkout, "samsung,exynos4412-pmu", +CLK_OF_DECLARE_DRIVER(exynos4412_clkout, "samsung,exynos4412-pmu", exynos4_clkout_init); -CLK_OF_DECLARE(exynos3250_clkout, "samsung,exynos3250-pmu", +CLK_OF_DECLARE_DRIVER(exynos3250_clkout, "samsung,exynos3250-pmu", exynos4_clkout_init); static void __init exynos5_clkout_init(struct device_node *node) { exynos_clkout_init(node, EXYNOS5_CLKOUT_MUX_MASK); } -CLK_OF_DECLARE(exynos5250_clkout, "samsung,exynos5250-pmu", +CLK_OF_DECLARE_DRIVER(exynos5250_clkout, "samsung,exynos5250-pmu", exynos5_clkout_init); -CLK_OF_DECLARE(exynos5410_clkout, "samsung,exynos5410-pmu", +CLK_OF_DECLARE_DRIVER(exynos5410_clkout, "samsung,exynos5410-pmu", exynos5_clkout_init); -CLK_OF_DECLARE(exynos5420_clkout, "samsung,exynos5420-pmu", +CLK_OF_DECLARE_DRIVER(exynos5420_clkout, "samsung,exynos5420-pmu", exynos5_clkout_init); -CLK_OF_DECLARE(exynos5433_clkout, "samsung,exynos5433-pmu", +CLK_OF_DECLARE_DRIVER(exynos5433_clkout, "samsung,exynos5433-pmu", exynos5_clkout_init); diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c index 363fc5e..5d36402 100644 --- a/drivers/firewire/net.c +++ b/drivers/firewire/net.c @@ -73,13 +73,13 @@ struct rfc2734_header { #define fwnet_get_hdr_lf(h) (((h)->w0 & 0xc0000000) >> 30) #define fwnet_get_hdr_ether_type(h) (((h)->w0 & 0x0000ffff)) -#define fwnet_get_hdr_dg_size(h) (((h)->w0 & 0x0fff0000) >> 16) +#define fwnet_get_hdr_dg_size(h) ((((h)->w0 & 0x0fff0000) >> 16) + 1) #define fwnet_get_hdr_fg_off(h) (((h)->w0 & 0x00000fff)) #define fwnet_get_hdr_dgl(h) (((h)->w1 & 0xffff0000) >> 16) -#define fwnet_set_hdr_lf(lf) ((lf) << 30) +#define fwnet_set_hdr_lf(lf) ((lf) << 30) #define fwnet_set_hdr_ether_type(et) (et) -#define fwnet_set_hdr_dg_size(dgs) ((dgs) << 16) +#define fwnet_set_hdr_dg_size(dgs) (((dgs) - 1) << 16) #define fwnet_set_hdr_fg_off(fgo) (fgo) #define fwnet_set_hdr_dgl(dgl) ((dgl) << 16) @@ -578,6 +578,9 @@ static int fwnet_incoming_packet(struct fwnet_device *dev, __be32 *buf, int len, int retval; u16 ether_type; + if (len <= RFC2374_UNFRAG_HDR_SIZE) + return 0; + hdr.w0 = be32_to_cpu(buf[0]); lf = fwnet_get_hdr_lf(&hdr); if (lf == RFC2374_HDR_UNFRAG) { @@ -602,7 +605,12 @@ static int fwnet_incoming_packet(struct fwnet_device *dev, __be32 *buf, int len, return fwnet_finish_incoming_packet(net, skb, source_node_id, is_broadcast, ether_type); } + /* A datagram fragment has been received, now the fun begins. */ + + if (len <= RFC2374_FRAG_HDR_SIZE) + return 0; + hdr.w1 = ntohl(buf[1]); buf += 2; len -= RFC2374_FRAG_HDR_SIZE; @@ -614,7 +622,10 @@ static int fwnet_incoming_packet(struct fwnet_device *dev, __be32 *buf, int len, fg_off = fwnet_get_hdr_fg_off(&hdr); } datagram_label = fwnet_get_hdr_dgl(&hdr); - dg_size = fwnet_get_hdr_dg_size(&hdr); /* ??? + 1 */ + dg_size = fwnet_get_hdr_dg_size(&hdr); + + if (fg_off + len > dg_size) + return 0; spin_lock_irqsave(&dev->lock, flags); @@ -722,6 +733,22 @@ static void fwnet_receive_packet(struct fw_card *card, struct fw_request *r, fw_send_response(card, r, rcode); } +static int gasp_source_id(__be32 *p) +{ + return be32_to_cpu(p[0]) >> 16; +} + +static u32 gasp_specifier_id(__be32 *p) +{ + return (be32_to_cpu(p[0]) & 0xffff) << 8 | + (be32_to_cpu(p[1]) & 0xff000000) >> 24; +} + +static u32 gasp_version(__be32 *p) +{ + return be32_to_cpu(p[1]) & 0xffffff; +} + static void fwnet_receive_broadcast(struct fw_iso_context *context, u32 cycle, size_t header_length, void *header, void *data) { @@ -731,9 +758,6 @@ static void fwnet_receive_broadcast(struct fw_iso_context *context, __be32 *buf_ptr; int retval; u32 length; - u16 source_node_id; - u32 specifier_id; - u32 ver; unsigned long offset; unsigned long flags; @@ -750,22 +774,17 @@ static void fwnet_receive_broadcast(struct fw_iso_context *context, spin_unlock_irqrestore(&dev->lock, flags); - specifier_id = (be32_to_cpu(buf_ptr[0]) & 0xffff) << 8 - | (be32_to_cpu(buf_ptr[1]) & 0xff000000) >> 24; - ver = be32_to_cpu(buf_ptr[1]) & 0xffffff; - source_node_id = be32_to_cpu(buf_ptr[0]) >> 16; - - if (specifier_id == IANA_SPECIFIER_ID && - (ver == RFC2734_SW_VERSION + if (length > IEEE1394_GASP_HDR_SIZE && + gasp_specifier_id(buf_ptr) == IANA_SPECIFIER_ID && + (gasp_version(buf_ptr) == RFC2734_SW_VERSION #if IS_ENABLED(CONFIG_IPV6) - || ver == RFC3146_SW_VERSION + || gasp_version(buf_ptr) == RFC3146_SW_VERSION #endif - )) { - buf_ptr += 2; - length -= IEEE1394_GASP_HDR_SIZE; - fwnet_incoming_packet(dev, buf_ptr, length, source_node_id, + )) + fwnet_incoming_packet(dev, buf_ptr + 2, + length - IEEE1394_GASP_HDR_SIZE, + gasp_source_id(buf_ptr), context->card->generation, true); - } packet.payload_length = dev->rcv_buffer_size; packet.interrupt = 1; diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index cd5dc27..1ed6132 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -293,10 +293,10 @@ static void mvebu_gpio_irq_ack(struct irq_data *d) { struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); struct mvebu_gpio_chip *mvchip = gc->private; - u32 mask = ~(1 << (d->irq - gc->irq_base)); + u32 mask = d->mask; irq_gc_lock(gc); - writel_relaxed(mask, mvebu_gpioreg_edge_cause(mvchip)); + writel_relaxed(~mask, mvebu_gpioreg_edge_cause(mvchip)); irq_gc_unlock(gc); } @@ -305,7 +305,7 @@ static void mvebu_gpio_edge_irq_mask(struct irq_data *d) struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); struct mvebu_gpio_chip *mvchip = gc->private; struct irq_chip_type *ct = irq_data_get_chip_type(d); - u32 mask = 1 << (d->irq - gc->irq_base); + u32 mask = d->mask; irq_gc_lock(gc); ct->mask_cache_priv &= ~mask; @@ -319,8 +319,7 @@ static void mvebu_gpio_edge_irq_unmask(struct irq_data *d) struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); struct mvebu_gpio_chip *mvchip = gc->private; struct irq_chip_type *ct = irq_data_get_chip_type(d); - - u32 mask = 1 << (d->irq - gc->irq_base); + u32 mask = d->mask; irq_gc_lock(gc); ct->mask_cache_priv |= mask; @@ -333,8 +332,7 @@ static void mvebu_gpio_level_irq_mask(struct irq_data *d) struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); struct mvebu_gpio_chip *mvchip = gc->private; struct irq_chip_type *ct = irq_data_get_chip_type(d); - - u32 mask = 1 << (d->irq - gc->irq_base); + u32 mask = d->mask; irq_gc_lock(gc); ct->mask_cache_priv &= ~mask; @@ -347,8 +345,7 @@ static void mvebu_gpio_level_irq_unmask(struct irq_data *d) struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d); struct mvebu_gpio_chip *mvchip = gc->private; struct irq_chip_type *ct = irq_data_get_chip_type(d); - - u32 mask = 1 << (d->irq - gc->irq_base); + u32 mask = d->mask; irq_gc_lock(gc); ct->mask_cache_priv |= mask; @@ -462,7 +459,7 @@ static void mvebu_gpio_irq_handler(struct irq_desc *desc) for (i = 0; i < mvchip->chip.ngpio; i++) { int irq; - irq = mvchip->irqbase + i; + irq = irq_find_mapping(mvchip->domain, i); if (!(cause & (1 << i))) continue; @@ -655,6 +652,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev) struct irq_chip_type *ct; struct clk *clk; unsigned int ngpios; + bool have_irqs; int soc_variant; int i, cpu, id; int err; @@ -665,6 +663,9 @@ static int mvebu_gpio_probe(struct platform_device *pdev) else soc_variant = MVEBU_GPIO_SOC_VARIANT_ORION; + /* Some gpio controllers do not provide irq support */ + have_irqs = of_irq_count(np) != 0; + mvchip = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_gpio_chip), GFP_KERNEL); if (!mvchip) @@ -697,7 +698,8 @@ static int mvebu_gpio_probe(struct platform_device *pdev) mvchip->chip.get = mvebu_gpio_get; mvchip->chip.direction_output = mvebu_gpio_direction_output; mvchip->chip.set = mvebu_gpio_set; - mvchip->chip.to_irq = mvebu_gpio_to_irq; + if (have_irqs) + mvchip->chip.to_irq = mvebu_gpio_to_irq; mvchip->chip.base = id * MVEBU_MAX_GPIO_PER_BANK; mvchip->chip.ngpio = ngpios; mvchip->chip.can_sleep = false; @@ -758,34 +760,30 @@ static int mvebu_gpio_probe(struct platform_device *pdev) devm_gpiochip_add_data(&pdev->dev, &mvchip->chip, mvchip); /* Some gpio controllers do not provide irq support */ - if (!of_irq_count(np)) + if (!have_irqs) return 0; - /* Setup the interrupt handlers. Each chip can have up to 4 - * interrupt handlers, with each handler dealing with 8 GPIO - * pins. */ - for (i = 0; i < 4; i++) { - int irq = platform_get_irq(pdev, i); - - if (irq < 0) - continue; - irq_set_chained_handler_and_data(irq, mvebu_gpio_irq_handler, - mvchip); - } - - mvchip->irqbase = irq_alloc_descs(-1, 0, ngpios, -1); - if (mvchip->irqbase < 0) { - dev_err(&pdev->dev, "no irqs\n"); - return mvchip->irqbase; + mvchip->domain = + irq_domain_add_linear(np, ngpios, &irq_generic_chip_ops, NULL); + if (!mvchip->domain) { + dev_err(&pdev->dev, "couldn't allocate irq domain %s (DT).\n", + mvchip->chip.label); + return -ENODEV; } - gc = irq_alloc_generic_chip("mvebu_gpio_irq", 2, mvchip->irqbase, - mvchip->membase, handle_level_irq); - if (!gc) { - dev_err(&pdev->dev, "Cannot allocate generic irq_chip\n"); - return -ENOMEM; + err = irq_alloc_domain_generic_chips( + mvchip->domain, ngpios, 2, np->name, handle_level_irq, + IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_LEVEL, 0, 0); + if (err) { + dev_err(&pdev->dev, "couldn't allocate irq chips %s (DT).\n", + mvchip->chip.label); + goto err_domain; } + /* NOTE: The common accessors cannot be used because of the percpu + * access to the mask registers + */ + gc = irq_get_domain_generic_chip(mvchip->domain, 0); gc->private = mvchip; ct = &gc->chip_types[0]; ct->type = IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW; @@ -803,27 +801,23 @@ static int mvebu_gpio_probe(struct platform_device *pdev) ct->handler = handle_edge_irq; ct->chip.name = mvchip->chip.label; - irq_setup_generic_chip(gc, IRQ_MSK(ngpios), 0, - IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE); + /* Setup the interrupt handlers. Each chip can have up to 4 + * interrupt handlers, with each handler dealing with 8 GPIO + * pins. + */ + for (i = 0; i < 4; i++) { + int irq = platform_get_irq(pdev, i); - /* Setup irq domain on top of the generic chip. */ - mvchip->domain = irq_domain_add_simple(np, mvchip->chip.ngpio, - mvchip->irqbase, - &irq_domain_simple_ops, - mvchip); - if (!mvchip->domain) { - dev_err(&pdev->dev, "couldn't allocate irq domain %s (DT).\n", - mvchip->chip.label); - err = -ENODEV; - goto err_generic_chip; + if (irq < 0) + continue; + irq_set_chained_handler_and_data(irq, mvebu_gpio_irq_handler, + mvchip); } return 0; -err_generic_chip: - irq_remove_generic_chip(gc, IRQ_MSK(ngpios), IRQ_NOREQUEST, - IRQ_LEVEL | IRQ_NOPROBE); - kfree(gc); +err_domain: + irq_domain_remove(mvchip->domain); return err; } diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index ecad3f0..193f15d 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -26,14 +26,18 @@ #include "gpiolib.h" -static int of_gpiochip_match_node(struct gpio_chip *chip, void *data) +static int of_gpiochip_match_node_and_xlate(struct gpio_chip *chip, void *data) { - return chip->gpiodev->dev.of_node == data; + struct of_phandle_args *gpiospec = data; + + return chip->gpiodev->dev.of_node == gpiospec->np && + chip->of_xlate(chip, gpiospec, NULL) >= 0; } -static struct gpio_chip *of_find_gpiochip_by_node(struct device_node *np) +static struct gpio_chip *of_find_gpiochip_by_xlate( + struct of_phandle_args *gpiospec) { - return gpiochip_find(np, of_gpiochip_match_node); + return gpiochip_find(gpiospec, of_gpiochip_match_node_and_xlate); } static struct gpio_desc *of_xlate_and_get_gpiod_flags(struct gpio_chip *chip, @@ -79,7 +83,7 @@ struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np, return ERR_PTR(ret); } - chip = of_find_gpiochip_by_node(gpiospec.np); + chip = of_find_gpiochip_by_xlate(&gpiospec); if (!chip) { desc = ERR_PTR(-EPROBE_DEFER); goto out; diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 20e09b7..93ed0e0 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -21,6 +21,7 @@ #include <linux/uaccess.h> #include <linux/compat.h> #include <linux/anon_inodes.h> +#include <linux/file.h> #include <linux/kfifo.h> #include <linux/poll.h> #include <linux/timekeeping.h> @@ -423,6 +424,7 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip) { struct gpiohandle_request handlereq; struct linehandle_state *lh; + struct file *file; int fd, i, ret; if (copy_from_user(&handlereq, ip, sizeof(handlereq))) @@ -499,26 +501,41 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip) i--; lh->numdescs = handlereq.lines; - fd = anon_inode_getfd("gpio-linehandle", - &linehandle_fileops, - lh, - O_RDONLY | O_CLOEXEC); + fd = get_unused_fd_flags(O_RDONLY | O_CLOEXEC); if (fd < 0) { ret = fd; goto out_free_descs; } + file = anon_inode_getfile("gpio-linehandle", + &linehandle_fileops, + lh, + O_RDONLY | O_CLOEXEC); + if (IS_ERR(file)) { + ret = PTR_ERR(file); + goto out_put_unused_fd; + } + handlereq.fd = fd; if (copy_to_user(ip, &handlereq, sizeof(handlereq))) { - ret = -EFAULT; - goto out_free_descs; + /* + * fput() will trigger the release() callback, so do not go onto + * the regular error cleanup path here. + */ + fput(file); + put_unused_fd(fd); + return -EFAULT; } + fd_install(fd, file); + dev_dbg(&gdev->dev, "registered chardev handle for %d lines\n", lh->numdescs); return 0; +out_put_unused_fd: + put_unused_fd(fd); out_free_descs: for (; i >= 0; i--) gpiod_free(lh->descs[i]); @@ -721,6 +738,7 @@ static int lineevent_create(struct gpio_device *gdev, void __user *ip) struct gpioevent_request eventreq; struct lineevent_state *le; struct gpio_desc *desc; + struct file *file; u32 offset; u32 lflags; u32 eflags; @@ -815,23 +833,38 @@ static int lineevent_create(struct gpio_device *gdev, void __user *ip) if (ret) goto out_free_desc; - fd = anon_inode_getfd("gpio-event", - &lineevent_fileops, - le, - O_RDONLY | O_CLOEXEC); + fd = get_unused_fd_flags(O_RDONLY | O_CLOEXEC); if (fd < 0) { ret = fd; goto out_free_irq; } + file = anon_inode_getfile("gpio-event", + &lineevent_fileops, + le, + O_RDONLY | O_CLOEXEC); + if (IS_ERR(file)) { + ret = PTR_ERR(file); + goto out_put_unused_fd; + } + eventreq.fd = fd; if (copy_to_user(ip, &eventreq, sizeof(eventreq))) { - ret = -EFAULT; - goto out_free_irq; + /* + * fput() will trigger the release() callback, so do not go onto + * the regular error cleanup path here. + */ + fput(file); + put_unused_fd(fd); + return -EFAULT; } + fd_install(fd, file); + return 0; +out_put_unused_fd: + put_unused_fd(fd); out_free_irq: free_irq(le->irq, le); out_free_desc: diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c index 892d60f..2057683 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c @@ -395,9 +395,12 @@ static int acp_hw_fini(void *handle) { int i, ret; struct device *dev; - struct amdgpu_device *adev = (struct amdgpu_device *)handle; + /* return early if no ACP */ + if (!adev->acp.acp_genpd) + return 0; + for (i = 0; i < ACP_DEVS ; i++) { dev = get_mfd_cell_dev(adev->acp.acp_cell[i].name, i); ret = pm_genpd_remove_device(&adev->acp.acp_genpd->gpd, dev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 7a8bfa3..6629762 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -795,10 +795,19 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device, if (!adev->pm.fw) { switch (adev->asic_type) { case CHIP_TOPAZ: - strcpy(fw_name, "amdgpu/topaz_smc.bin"); + if (((adev->pdev->device == 0x6900) && (adev->pdev->revision == 0x81)) || + ((adev->pdev->device == 0x6900) && (adev->pdev->revision == 0x83)) || + ((adev->pdev->device == 0x6907) && (adev->pdev->revision == 0x87))) + strcpy(fw_name, "amdgpu/topaz_k_smc.bin"); + else + strcpy(fw_name, "amdgpu/topaz_smc.bin"); break; case CHIP_TONGA: - strcpy(fw_name, "amdgpu/tonga_smc.bin"); + if (((adev->pdev->device == 0x6939) && (adev->pdev->revision == 0xf1)) || + ((adev->pdev->device == 0x6938) && (adev->pdev->revision == 0xf1))) + strcpy(fw_name, "amdgpu/tonga_k_smc.bin"); + else + strcpy(fw_name, "amdgpu/tonga_smc.bin"); break; case CHIP_FIJI: strcpy(fw_name, "amdgpu/fiji_smc.bin"); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c index e3281d4..086aa5c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -769,7 +769,7 @@ static void amdgpu_connector_unregister(struct drm_connector *connector) { struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector); - if (amdgpu_connector->ddc_bus->has_aux) { + if (amdgpu_connector->ddc_bus && amdgpu_connector->ddc_bus->has_aux) { drm_dp_aux_unregister(&amdgpu_connector->ddc_bus->aux); amdgpu_connector->ddc_bus->has_aux = false; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index b0f6e69..82dc8d2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -519,7 +519,8 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p, r = ttm_eu_reserve_buffers(&p->ticket, &p->validated, true, &duplicates); if (unlikely(r != 0)) { - DRM_ERROR("ttm_eu_reserve_buffers failed.\n"); + if (r != -ERESTARTSYS) + DRM_ERROR("ttm_eu_reserve_buffers failed.\n"); goto error_free_pages; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index b4f4a92..7ca07e7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1959,6 +1959,7 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon) /* evict remaining vram memory */ amdgpu_bo_evict_vram(adev); + amdgpu_atombios_scratch_regs_save(adev); pci_save_state(dev->pdev); if (suspend) { /* Shut down the device */ @@ -2010,6 +2011,7 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon) return r; } } + amdgpu_atombios_scratch_regs_restore(adev); /* post card */ if (!amdgpu_card_posted(adev) || !resume) { @@ -2268,8 +2270,6 @@ int amdgpu_gpu_reset(struct amdgpu_device *adev) } if (need_full_reset) { - /* save scratch */ - amdgpu_atombios_scratch_regs_save(adev); r = amdgpu_suspend(adev); retry: @@ -2279,8 +2279,9 @@ retry: amdgpu_display_stop_mc_access(adev, &save); amdgpu_wait_for_idle(adev, AMD_IP_BLOCK_TYPE_GMC); } - + amdgpu_atombios_scratch_regs_save(adev); r = amdgpu_asic_reset(adev); + amdgpu_atombios_scratch_regs_restore(adev); /* post card */ amdgpu_atom_asic_init(adev->mode_info.atom_context); @@ -2288,8 +2289,6 @@ retry: dev_info(adev->dev, "GPU reset succeeded, trying to resume\n"); r = amdgpu_resume(adev); } - /* restore scratch */ - amdgpu_atombios_scratch_regs_restore(adev); } if (!r) { amdgpu_irq_gpu_reset_resume_helper(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 71ed27e..02ff0747 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -735,8 +735,20 @@ static struct pci_driver amdgpu_kms_pci_driver = { static int __init amdgpu_init(void) { - amdgpu_sync_init(); - amdgpu_fence_slab_init(); + int r; + + r = amdgpu_sync_init(); + if (r) + goto error_sync; + + r = amdgpu_fence_slab_init(); + if (r) + goto error_fence; + + r = amd_sched_fence_slab_init(); + if (r) + goto error_sched; + if (vgacon_text_force()) { DRM_ERROR("VGACON disables amdgpu kernel modesetting.\n"); return -EINVAL; @@ -748,6 +760,15 @@ static int __init amdgpu_init(void) amdgpu_register_atpx_handler(); /* let modprobe override vga console setting */ return drm_pci_init(driver, pdriver); + +error_sched: + amdgpu_fence_slab_fini(); + +error_fence: + amdgpu_sync_fini(); + +error_sync: + return r; } static void __exit amdgpu_exit(void) @@ -756,6 +777,7 @@ static void __exit amdgpu_exit(void) drm_pci_exit(driver, pdriver); amdgpu_unregister_atpx_handler(); amdgpu_sync_fini(); + amd_sched_fence_slab_fini(); amdgpu_fence_slab_fini(); } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c index 3a2e42f..77b34ec 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c @@ -68,6 +68,7 @@ int amdgpu_fence_slab_init(void) void amdgpu_fence_slab_fini(void) { + rcu_barrier(); kmem_cache_destroy(amdgpu_fence_slab); } /* diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c index 278708f..9fa8098 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_irq.c @@ -239,6 +239,7 @@ int amdgpu_irq_init(struct amdgpu_device *adev) if (r) { adev->irq.installed = false; flush_work(&adev->hotplug_work); + cancel_work_sync(&adev->reset_work); return r; } @@ -264,6 +265,7 @@ void amdgpu_irq_fini(struct amdgpu_device *adev) if (adev->irq.msi_enabled) pci_disable_msi(adev->pdev); flush_work(&adev->hotplug_work); + cancel_work_sync(&adev->reset_work); } for (i = 0; i < AMDGPU_MAX_IRQ_SRC_ID; ++i) { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index c2c7fb1..3938fca 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -99,6 +99,8 @@ int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags) if ((amdgpu_runtime_pm != 0) && amdgpu_has_atpx() && + (amdgpu_is_atpx_hybrid() || + amdgpu_has_atpx_dgpu_power_cntl()) && ((flags & AMD_IS_APU) == 0)) flags |= AMD_IS_PX; @@ -459,10 +461,8 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file /* return all clocks in KHz */ dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10; if (adev->pm.dpm_enabled) { - dev_info.max_engine_clock = - adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk * 10; - dev_info.max_memory_clock = - adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk * 10; + dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10; + dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10; } else { dev_info.max_engine_clock = adev->pm.default_sclk * 10; dev_info.max_memory_clock = adev->pm.default_mclk * 10; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 06f2432..968c426 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1758,5 +1758,6 @@ void amdgpu_vm_manager_fini(struct amdgpu_device *adev) fence_put(adev->vm_manager.ids[i].first); amdgpu_sync_free(&adev->vm_manager.ids[i].active); fence_put(id->flushed_updates); + fence_put(id->last_flush); } } diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c index 1d8c375..5be788b 100644 --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c @@ -4075,7 +4075,7 @@ static int ci_enable_uvd_dpm(struct amdgpu_device *adev, bool enable) pi->dpm_level_enable_mask.mclk_dpm_enable_mask); } } else { - if (pi->last_mclk_dpm_enable_mask & 0x1) { + if (pi->uvd_enabled) { pi->uvd_enabled = false; pi->dpm_level_enable_mask.mclk_dpm_enable_mask |= 1; amdgpu_ci_send_msg_to_smc_with_parameter(adev, @@ -6236,6 +6236,8 @@ static int ci_dpm_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + flush_work(&adev->pm.dpm.thermal.work); + mutex_lock(&adev->pm.mutex); amdgpu_pm_sysfs_fini(adev); ci_dpm_fini(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index 4108c68..9260cae 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -3151,10 +3151,6 @@ static int dce_v10_0_hw_fini(void *handle) static int dce_v10_0_suspend(void *handle) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; - - amdgpu_atombios_scratch_regs_save(adev); - return dce_v10_0_hw_fini(handle); } @@ -3165,8 +3161,6 @@ static int dce_v10_0_resume(void *handle) ret = dce_v10_0_hw_init(handle); - amdgpu_atombios_scratch_regs_restore(adev); - /* turn on the BL */ if (adev->mode_info.bl_encoder) { u8 bl_level = amdgpu_display_backlight_get_level(adev, diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index f264b8f..367739b 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -3215,10 +3215,6 @@ static int dce_v11_0_hw_fini(void *handle) static int dce_v11_0_suspend(void *handle) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; - - amdgpu_atombios_scratch_regs_save(adev); - return dce_v11_0_hw_fini(handle); } @@ -3229,8 +3225,6 @@ static int dce_v11_0_resume(void *handle) ret = dce_v11_0_hw_init(handle); - amdgpu_atombios_scratch_regs_restore(adev); - /* turn on the BL */ if (adev->mode_info.bl_encoder) { u8 bl_level = amdgpu_display_backlight_get_level(adev, diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c index b948d6c..15f9fc0 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c @@ -2482,10 +2482,6 @@ static int dce_v6_0_hw_fini(void *handle) static int dce_v6_0_suspend(void *handle) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; - - amdgpu_atombios_scratch_regs_save(adev); - return dce_v6_0_hw_fini(handle); } @@ -2496,8 +2492,6 @@ static int dce_v6_0_resume(void *handle) ret = dce_v6_0_hw_init(handle); - amdgpu_atombios_scratch_regs_restore(adev); - /* turn on the BL */ if (adev->mode_info.bl_encoder) { u8 bl_level = amdgpu_display_backlight_get_level(adev, diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index 5966166..8c4d808 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -3033,10 +3033,6 @@ static int dce_v8_0_hw_fini(void *handle) static int dce_v8_0_suspend(void *handle) { - struct amdgpu_device *adev = (struct amdgpu_device *)handle; - - amdgpu_atombios_scratch_regs_save(adev); - return dce_v8_0_hw_fini(handle); } @@ -3047,8 +3043,6 @@ static int dce_v8_0_resume(void *handle) ret = dce_v8_0_hw_init(handle); - amdgpu_atombios_scratch_regs_restore(adev); - /* turn on the BL */ if (adev->mode_info.bl_encoder) { u8 bl_level = amdgpu_display_backlight_get_level(adev, diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index ee6a48a..bb97182 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -640,7 +640,6 @@ static const u32 stoney_mgcg_cgcg_init[] = mmCP_MEM_SLP_CNTL, 0xffffffff, 0x00020201, mmRLC_MEM_SLP_CNTL, 0xffffffff, 0x00020201, mmCGTS_SM_CTRL_REG, 0xffffffff, 0x96940200, - mmATC_MISC_CG, 0xffffffff, 0x000c0200, }; static void gfx_v8_0_set_ring_funcs(struct amdgpu_device *adev); diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index c22ef14..a16b220 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -100,6 +100,7 @@ static const u32 cz_mgcg_cgcg_init[] = static const u32 stoney_mgcg_cgcg_init[] = { + mmATC_MISC_CG, 0xffffffff, 0x000c0200, mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104 }; diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c index f8618a3..71d2856 100644 --- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c @@ -3063,6 +3063,8 @@ static int kv_dpm_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + flush_work(&adev->pm.dpm.thermal.work); + mutex_lock(&adev->pm.mutex); amdgpu_pm_sysfs_fini(adev); kv_dpm_fini(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c index 3de7bca..d6f85b1 100644 --- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c @@ -3477,6 +3477,49 @@ static void si_apply_state_adjust_rules(struct amdgpu_device *adev, int i; struct si_dpm_quirk *p = si_dpm_quirk_list; + /* limit all SI kickers */ + if (adev->asic_type == CHIP_PITCAIRN) { + if ((adev->pdev->revision == 0x81) || + (adev->pdev->device == 0x6810) || + (adev->pdev->device == 0x6811) || + (adev->pdev->device == 0x6816) || + (adev->pdev->device == 0x6817) || + (adev->pdev->device == 0x6806)) + max_mclk = 120000; + } else if (adev->asic_type == CHIP_VERDE) { + if ((adev->pdev->revision == 0x81) || + (adev->pdev->revision == 0x83) || + (adev->pdev->revision == 0x87) || + (adev->pdev->device == 0x6820) || + (adev->pdev->device == 0x6821) || + (adev->pdev->device == 0x6822) || + (adev->pdev->device == 0x6823) || + (adev->pdev->device == 0x682A) || + (adev->pdev->device == 0x682B)) { + max_sclk = 75000; + max_mclk = 80000; + } + } else if (adev->asic_type == CHIP_OLAND) { + if ((adev->pdev->revision == 0xC7) || + (adev->pdev->revision == 0x80) || + (adev->pdev->revision == 0x81) || + (adev->pdev->revision == 0x83) || + (adev->pdev->device == 0x6604) || + (adev->pdev->device == 0x6605)) { + max_sclk = 75000; + max_mclk = 80000; + } + } else if (adev->asic_type == CHIP_HAINAN) { + if ((adev->pdev->revision == 0x81) || + (adev->pdev->revision == 0x83) || + (adev->pdev->revision == 0xC3) || + (adev->pdev->device == 0x6664) || + (adev->pdev->device == 0x6665) || + (adev->pdev->device == 0x6667)) { + max_sclk = 75000; + max_mclk = 80000; + } + } /* Apply dpm quirks */ while (p && p->chip_device != 0) { if (adev->pdev->vendor == p->chip_vendor && @@ -3489,22 +3532,6 @@ static void si_apply_state_adjust_rules(struct amdgpu_device *adev, } ++p; } - /* limit mclk on all R7 370 parts for stability */ - if (adev->pdev->device == 0x6811 && - adev->pdev->revision == 0x81) - max_mclk = 120000; - /* limit sclk/mclk on Jet parts for stability */ - if (adev->pdev->device == 0x6665 && - adev->pdev->revision == 0xc3) { - max_sclk = 75000; - max_mclk = 80000; - } - /* Limit clocks for some HD8600 parts */ - if (adev->pdev->device == 0x6660 && - adev->pdev->revision == 0x83) { - max_sclk = 75000; - max_mclk = 80000; - } if (rps->vce_active) { rps->evclk = adev->pm.dpm.vce_states[adev->pm.dpm.vce_level].evclk; @@ -7777,6 +7804,8 @@ static int si_dpm_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; + flush_work(&adev->pm.dpm.thermal.work); + mutex_lock(&adev->pm.mutex); amdgpu_pm_sysfs_fini(adev); si_dpm_fini(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c index 8533269..6feed72 100644 --- a/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vce_v3_0.c @@ -52,6 +52,8 @@ #define VCE_V3_0_STACK_SIZE (64 * 1024) #define VCE_V3_0_DATA_SIZE ((16 * 1024 * AMDGPU_MAX_VCE_HANDLES) + (52 * 1024)) +#define FW_52_8_3 ((52 << 24) | (8 << 16) | (3 << 8)) + static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx); static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev); static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev); @@ -382,6 +384,10 @@ static int vce_v3_0_sw_init(void *handle) if (r) return r; + /* 52.8.3 required for 3 ring support */ + if (adev->vce.fw_version < FW_52_8_3) + adev->vce.num_rings = 2; + r = amdgpu_vce_resume(adev); if (r) return r; diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index c0d9aad..f62f1a7 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -80,7 +80,9 @@ #include "dce_virtual.h" MODULE_FIRMWARE("amdgpu/topaz_smc.bin"); +MODULE_FIRMWARE("amdgpu/topaz_k_smc.bin"); MODULE_FIRMWARE("amdgpu/tonga_smc.bin"); +MODULE_FIRMWARE("amdgpu/tonga_k_smc.bin"); MODULE_FIRMWARE("amdgpu/fiji_smc.bin"); MODULE_FIRMWARE("amdgpu/polaris10_smc.bin"); MODULE_FIRMWARE("amdgpu/polaris10_smc_sk.bin"); @@ -1651,7 +1653,7 @@ static int vi_common_early_init(void *handle) AMD_CG_SUPPORT_SDMA_MGCG | AMD_CG_SUPPORT_SDMA_LS | AMD_CG_SUPPORT_VCE_MGCG; - adev->pg_flags |= AMD_PG_SUPPORT_GFX_PG | + adev->pg_flags = AMD_PG_SUPPORT_GFX_PG | AMD_PG_SUPPORT_GFX_SMG | AMD_PG_SUPPORT_GFX_PIPELINE | AMD_PG_SUPPORT_UVD | diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c index 14f8c1f..0723758 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c @@ -272,7 +272,7 @@ bool phm_check_smc_update_required_for_display_configuration(struct pp_hwmgr *hw PHM_FUNC_CHECK(hwmgr); if (hwmgr->hwmgr_func->check_smc_update_required_for_display_configuration == NULL) - return -EINVAL; + return false; return hwmgr->hwmgr_func->check_smc_update_required_for_display_configuration(hwmgr); } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c index 1167205..e03dcb6 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c @@ -710,13 +710,15 @@ int phm_get_voltage_evv_on_sclk(struct pp_hwmgr *hwmgr, uint8_t voltage_type, uint32_t vol; int ret = 0; - if (hwmgr->chip_id < CHIP_POLARIS10) { - atomctrl_get_voltage_evv_on_sclk(hwmgr, voltage_type, sclk, id, voltage); + if (hwmgr->chip_id < CHIP_TONGA) { + ret = atomctrl_get_voltage_evv(hwmgr, id, voltage); + } else if (hwmgr->chip_id < CHIP_POLARIS10) { + ret = atomctrl_get_voltage_evv_on_sclk(hwmgr, voltage_type, sclk, id, voltage); if (*voltage >= 2000 || *voltage == 0) *voltage = 1150; } else { ret = atomctrl_get_voltage_evv_on_sclk_ai(hwmgr, voltage_type, sclk, id, &vol); - *voltage = (uint16_t)vol/100; + *voltage = (uint16_t)(vol/100); } return ret; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c index 1126bd4..0894527 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c @@ -1320,7 +1320,8 @@ int atomctrl_get_voltage_evv_on_sclk_ai(struct pp_hwmgr *hwmgr, uint8_t voltage_ if (0 != result) return result; - *voltage = le32_to_cpu(((GET_EVV_VOLTAGE_INFO_OUTPUT_PARAMETER_V1_3 *)(&get_voltage_info_param_space))->ulVoltageLevel); + *voltage = le32_to_cpu(((GET_EVV_VOLTAGE_INFO_OUTPUT_PARAMETER_V1_3 *) + (&get_voltage_info_param_space))->ulVoltageLevel); return result; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c index 7de701d..4477c55 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c @@ -1201,12 +1201,15 @@ static uint32_t make_classification_flags(struct pp_hwmgr *hwmgr, static int ppt_get_num_of_vce_state_table_entries_v1_0(struct pp_hwmgr *hwmgr) { const ATOM_Tonga_POWERPLAYTABLE *pp_table = get_powerplay_table(hwmgr); - const ATOM_Tonga_VCE_State_Table *vce_state_table = - (ATOM_Tonga_VCE_State_Table *)(((unsigned long)pp_table) + le16_to_cpu(pp_table->usVCEStateTableOffset)); + const ATOM_Tonga_VCE_State_Table *vce_state_table; - if (vce_state_table == NULL) + + if (pp_table == NULL) return 0; + vce_state_table = (void *)pp_table + + le16_to_cpu(pp_table->usVCEStateTableOffset); + return vce_state_table->ucNumEntries; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index 609996c..b0c929dd 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -1168,8 +1168,8 @@ int smu7_enable_dpm_tasks(struct pp_hwmgr *hwmgr) tmp_result = (!smum_is_dpm_running(hwmgr)) ? 0 : -1; PP_ASSERT_WITH_CODE(tmp_result == 0, - "DPM is already running right now, no need to enable DPM!", - return 0); + "DPM is already running", + ); if (smu7_voltage_control(hwmgr)) { tmp_result = smu7_enable_voltage_control(hwmgr); @@ -1460,19 +1460,19 @@ static int smu7_get_evv_voltages(struct pp_hwmgr *hwmgr) struct phm_ppt_v1_clock_voltage_dependency_table *sclk_table = NULL; - if (table_info == NULL) - return -EINVAL; - - sclk_table = table_info->vdd_dep_on_sclk; - for (i = 0; i < SMU7_MAX_LEAKAGE_COUNT; i++) { vv_id = ATOM_VIRTUAL_VOLTAGE_ID0 + i; if (data->vdd_gfx_control == SMU7_VOLTAGE_CONTROL_BY_SVID2) { - if (0 == phm_get_sclk_for_voltage_evv(hwmgr, + if ((hwmgr->pp_table_version == PP_TABLE_V1) + && !phm_get_sclk_for_voltage_evv(hwmgr, table_info->vddgfx_lookup_table, vv_id, &sclk)) { if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_ClockStretcher)) { + if (table_info == NULL) + return -EINVAL; + sclk_table = table_info->vdd_dep_on_sclk; + for (j = 1; j < sclk_table->count; j++) { if (sclk_table->entries[j].clk == sclk && sclk_table->entries[j].cks_enable == 0) { @@ -1498,12 +1498,15 @@ static int smu7_get_evv_voltages(struct pp_hwmgr *hwmgr) } } } else { - if ((hwmgr->pp_table_version == PP_TABLE_V0) || !phm_get_sclk_for_voltage_evv(hwmgr, table_info->vddc_lookup_table, vv_id, &sclk)) { if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps, PHM_PlatformCaps_ClockStretcher)) { + if (table_info == NULL) + return -EINVAL; + sclk_table = table_info->vdd_dep_on_sclk; + for (j = 1; j < sclk_table->count; j++) { if (sclk_table->entries[j].clk == sclk && sclk_table->entries[j].cks_enable == 0) { @@ -2127,15 +2130,20 @@ static int smu7_patch_acp_vddc(struct pp_hwmgr *hwmgr, } static int smu7_patch_limits_vddc(struct pp_hwmgr *hwmgr, - struct phm_clock_and_voltage_limits *tab) + struct phm_clock_and_voltage_limits *tab) { + uint32_t vddc, vddci; struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); if (tab) { - smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, (uint32_t *)&tab->vddc, - &data->vddc_leakage); - smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, (uint32_t *)&tab->vddci, - &data->vddci_leakage); + vddc = tab->vddc; + smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, &vddc, + &data->vddc_leakage); + tab->vddc = vddc; + vddci = tab->vddci; + smu7_patch_ppt_v0_with_vdd_leakage(hwmgr, &vddci, + &data->vddci_leakage); + tab->vddci = vddci; } return 0; @@ -4225,18 +4233,26 @@ static int smu7_get_sclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks) { struct phm_ppt_v1_information *table_info = (struct phm_ppt_v1_information *)hwmgr->pptable; - struct phm_ppt_v1_clock_voltage_dependency_table *dep_sclk_table; + struct phm_ppt_v1_clock_voltage_dependency_table *dep_sclk_table = NULL; + struct phm_clock_voltage_dependency_table *sclk_table; int i; - if (table_info == NULL) - return -EINVAL; - - dep_sclk_table = table_info->vdd_dep_on_sclk; - - for (i = 0; i < dep_sclk_table->count; i++) { - clocks->clock[i] = dep_sclk_table->entries[i].clk; - clocks->count++; + if (hwmgr->pp_table_version == PP_TABLE_V1) { + if (table_info == NULL || table_info->vdd_dep_on_sclk == NULL) + return -EINVAL; + dep_sclk_table = table_info->vdd_dep_on_sclk; + for (i = 0; i < dep_sclk_table->count; i++) { + clocks->clock[i] = dep_sclk_table->entries[i].clk; + clocks->count++; + } + } else if (hwmgr->pp_table_version == PP_TABLE_V0) { + sclk_table = hwmgr->dyn_state.vddc_dependency_on_sclk; + for (i = 0; i < sclk_table->count; i++) { + clocks->clock[i] = sclk_table->entries[i].clk; + clocks->count++; + } } + return 0; } @@ -4258,17 +4274,24 @@ static int smu7_get_mclks(struct pp_hwmgr *hwmgr, struct amd_pp_clocks *clocks) (struct phm_ppt_v1_information *)hwmgr->pptable; struct phm_ppt_v1_clock_voltage_dependency_table *dep_mclk_table; int i; + struct phm_clock_voltage_dependency_table *mclk_table; - if (table_info == NULL) - return -EINVAL; - - dep_mclk_table = table_info->vdd_dep_on_mclk; - - for (i = 0; i < dep_mclk_table->count; i++) { - clocks->clock[i] = dep_mclk_table->entries[i].clk; - clocks->latency[i] = smu7_get_mem_latency(hwmgr, + if (hwmgr->pp_table_version == PP_TABLE_V1) { + if (table_info == NULL) + return -EINVAL; + dep_mclk_table = table_info->vdd_dep_on_mclk; + for (i = 0; i < dep_mclk_table->count; i++) { + clocks->clock[i] = dep_mclk_table->entries[i].clk; + clocks->latency[i] = smu7_get_mem_latency(hwmgr, dep_mclk_table->entries[i].clk); - clocks->count++; + clocks->count++; + } + } else if (hwmgr->pp_table_version == PP_TABLE_V0) { + mclk_table = hwmgr->dyn_state.vddc_dependency_on_mclk; + for (i = 0; i < mclk_table->count; i++) { + clocks->clock[i] = mclk_table->entries[i].clk; + clocks->count++; + } } return 0; } diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c index fb6c6f6..29d0319 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_thermal.c @@ -30,7 +30,7 @@ int smu7_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, struct phm_fan_speed_info *fan_speed_info) { if (hwmgr->thermal_controller.fanInfo.bNoFan) - return 0; + return -ENODEV; fan_speed_info->supports_percent_read = true; fan_speed_info->supports_percent_write = true; @@ -60,7 +60,7 @@ int smu7_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, uint64_t tmp64; if (hwmgr->thermal_controller.fanInfo.bNoFan) - return 0; + return -ENODEV; duty100 = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_FDO_CTRL1, FMAX_DUTY100); @@ -89,7 +89,7 @@ int smu7_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr, uint32_t *speed) if (hwmgr->thermal_controller.fanInfo.bNoFan || (hwmgr->thermal_controller.fanInfo. ucTachometerPulsesPerRevolution == 0)) - return 0; + return -ENODEV; tach_period = PHM_READ_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, CG_TACH_STATUS, TACH_PERIOD); diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c index 963a24d..ffe1f85 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c @@ -34,9 +34,6 @@ static bool amd_sched_entity_is_ready(struct amd_sched_entity *entity); static void amd_sched_wakeup(struct amd_gpu_scheduler *sched); static void amd_sched_process_job(struct fence *f, struct fence_cb *cb); -struct kmem_cache *sched_fence_slab; -atomic_t sched_fence_slab_ref = ATOMIC_INIT(0); - /* Initialize a given run queue struct */ static void amd_sched_rq_init(struct amd_sched_rq *rq) { @@ -618,13 +615,6 @@ int amd_sched_init(struct amd_gpu_scheduler *sched, INIT_LIST_HEAD(&sched->ring_mirror_list); spin_lock_init(&sched->job_list_lock); atomic_set(&sched->hw_rq_count, 0); - if (atomic_inc_return(&sched_fence_slab_ref) == 1) { - sched_fence_slab = kmem_cache_create( - "amd_sched_fence", sizeof(struct amd_sched_fence), 0, - SLAB_HWCACHE_ALIGN, NULL); - if (!sched_fence_slab) - return -ENOMEM; - } /* Each scheduler will run on a seperate kernel thread */ sched->thread = kthread_run(amd_sched_main, sched, sched->name); @@ -645,6 +635,4 @@ void amd_sched_fini(struct amd_gpu_scheduler *sched) { if (sched->thread) kthread_stop(sched->thread); - if (atomic_dec_and_test(&sched_fence_slab_ref)) - kmem_cache_destroy(sched_fence_slab); } diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h index 7cbbbfb..51068e6 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h @@ -30,9 +30,6 @@ struct amd_gpu_scheduler; struct amd_sched_rq; -extern struct kmem_cache *sched_fence_slab; -extern atomic_t sched_fence_slab_ref; - /** * A scheduler entity is a wrapper around a job queue or a group * of other entities. Entities take turns emitting jobs from their @@ -145,6 +142,9 @@ void amd_sched_entity_fini(struct amd_gpu_scheduler *sched, struct amd_sched_entity *entity); void amd_sched_entity_push_job(struct amd_sched_job *sched_job); +int amd_sched_fence_slab_init(void); +void amd_sched_fence_slab_fini(void); + struct amd_sched_fence *amd_sched_fence_create( struct amd_sched_entity *s_entity, void *owner); void amd_sched_fence_scheduled(struct amd_sched_fence *fence); diff --git a/drivers/gpu/drm/amd/scheduler/sched_fence.c b/drivers/gpu/drm/amd/scheduler/sched_fence.c index 6b63bea..88fc2d6 100644 --- a/drivers/gpu/drm/amd/scheduler/sched_fence.c +++ b/drivers/gpu/drm/amd/scheduler/sched_fence.c @@ -27,6 +27,25 @@ #include <drm/drmP.h> #include "gpu_scheduler.h" +static struct kmem_cache *sched_fence_slab; + +int amd_sched_fence_slab_init(void) +{ + sched_fence_slab = kmem_cache_create( + "amd_sched_fence", sizeof(struct amd_sched_fence), 0, + SLAB_HWCACHE_ALIGN, NULL); + if (!sched_fence_slab) + return -ENOMEM; + + return 0; +} + +void amd_sched_fence_slab_fini(void) +{ + rcu_barrier(); + kmem_cache_destroy(sched_fence_slab); +} + struct amd_sched_fence *amd_sched_fence_create(struct amd_sched_entity *entity, void *owner) { @@ -103,7 +122,7 @@ static void amd_sched_fence_free(struct rcu_head *rcu) } /** - * amd_sched_fence_release - callback that fence can be freed + * amd_sched_fence_release_scheduled - callback that fence can be freed * * @fence: fence * @@ -118,7 +137,7 @@ static void amd_sched_fence_release_scheduled(struct fence *f) } /** - * amd_sched_fence_release_scheduled - drop extra reference + * amd_sched_fence_release_finished - drop extra reference * * @f: fence * diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 2373960..e6862a7 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -420,18 +420,21 @@ drm_atomic_replace_property_blob_from_id(struct drm_crtc *crtc, ssize_t expected_size, bool *replaced) { - struct drm_device *dev = crtc->dev; struct drm_property_blob *new_blob = NULL; if (blob_id != 0) { - new_blob = drm_property_lookup_blob(dev, blob_id); + new_blob = drm_property_lookup_blob(crtc->dev, blob_id); if (new_blob == NULL) return -EINVAL; - if (expected_size > 0 && expected_size != new_blob->length) + + if (expected_size > 0 && expected_size != new_blob->length) { + drm_property_unreference_blob(new_blob); return -EINVAL; + } } drm_atomic_replace_property_blob(blob, new_blob, replaced); + drm_property_unreference_blob(new_blob); return 0; } diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index c3f8347..21f9926 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -594,10 +594,6 @@ drm_atomic_helper_check_planes(struct drm_device *dev, struct drm_plane_state *plane_state; int i, ret = 0; - ret = drm_atomic_normalize_zpos(dev, state); - if (ret) - return ret; - for_each_plane_in_state(state, plane, plane_state, i) { const struct drm_plane_helper_funcs *funcs; diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 04e4571..aa64448 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -914,6 +914,7 @@ static void drm_dp_destroy_port(struct kref *kref) /* no need to clean up vcpi * as if we have no connector we never setup a vcpi */ drm_dp_port_teardown_pdt(port, port->pdt); + port->pdt = DP_PEER_DEVICE_NONE; } kfree(port); } @@ -1159,7 +1160,9 @@ static void drm_dp_add_port(struct drm_dp_mst_branch *mstb, drm_dp_put_port(port); goto out; } - if (port->port_num >= DP_MST_LOGICAL_PORT_0) { + if ((port->pdt == DP_PEER_DEVICE_DP_LEGACY_CONV || + port->pdt == DP_PEER_DEVICE_SST_SINK) && + port->port_num >= DP_MST_LOGICAL_PORT_0) { port->cached_edid = drm_get_edid(port->connector, &port->aux.ddc); drm_mode_connector_set_tile_property(port->connector); } @@ -2919,6 +2922,7 @@ static void drm_dp_destroy_connector_work(struct work_struct *work) mgr->cbs->destroy_connector(mgr, port->connector); drm_dp_port_teardown_pdt(port, port->pdt); + port->pdt = DP_PEER_DEVICE_NONE; if (!port->input && port->vcpi.vcpi > 0) { drm_dp_mst_reset_vcpi_slots(mgr, port); diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 03414bd..6c75e62 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -131,7 +131,12 @@ int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper) return 0; fail: for (i = 0; i < fb_helper->connector_count; i++) { - kfree(fb_helper->connector_info[i]); + struct drm_fb_helper_connector *fb_helper_connector = + fb_helper->connector_info[i]; + + drm_connector_unreference(fb_helper_connector->connector); + + kfree(fb_helper_connector); fb_helper->connector_info[i] = NULL; } fb_helper->connector_count = 0; @@ -603,6 +608,24 @@ int drm_fb_helper_blank(int blank, struct fb_info *info) } EXPORT_SYMBOL(drm_fb_helper_blank); +static void drm_fb_helper_modeset_release(struct drm_fb_helper *helper, + struct drm_mode_set *modeset) +{ + int i; + + for (i = 0; i < modeset->num_connectors; i++) { + drm_connector_unreference(modeset->connectors[i]); + modeset->connectors[i] = NULL; + } + modeset->num_connectors = 0; + + drm_mode_destroy(helper->dev, modeset->mode); + modeset->mode = NULL; + + /* FIXME should hold a ref? */ + modeset->fb = NULL; +} + static void drm_fb_helper_crtc_free(struct drm_fb_helper *helper) { int i; @@ -612,10 +635,12 @@ static void drm_fb_helper_crtc_free(struct drm_fb_helper *helper) kfree(helper->connector_info[i]); } kfree(helper->connector_info); + for (i = 0; i < helper->crtc_count; i++) { - kfree(helper->crtc_info[i].mode_set.connectors); - if (helper->crtc_info[i].mode_set.mode) - drm_mode_destroy(helper->dev, helper->crtc_info[i].mode_set.mode); + struct drm_mode_set *modeset = &helper->crtc_info[i].mode_set; + + drm_fb_helper_modeset_release(helper, modeset); + kfree(modeset->connectors); } kfree(helper->crtc_info); } @@ -644,7 +669,9 @@ static void drm_fb_helper_dirty_work(struct work_struct *work) clip->x2 = clip->y2 = 0; spin_unlock_irqrestore(&helper->dirty_lock, flags); - helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, &clip_copy, 1); + /* call dirty callback only when it has been really touched */ + if (clip_copy.x1 < clip_copy.x2 && clip_copy.y1 < clip_copy.y2) + helper->fb->funcs->dirty(helper->fb, NULL, 0, 0, &clip_copy, 1); } /** @@ -2088,7 +2115,6 @@ static void drm_setup_crtcs(struct drm_fb_helper *fb_helper) struct drm_fb_helper_crtc **crtcs; struct drm_display_mode **modes; struct drm_fb_offset *offsets; - struct drm_mode_set *modeset; bool *enabled; int width, height; int i; @@ -2136,45 +2162,35 @@ static void drm_setup_crtcs(struct drm_fb_helper *fb_helper) /* need to set the modesets up here for use later */ /* fill out the connector<->crtc mappings into the modesets */ - for (i = 0; i < fb_helper->crtc_count; i++) { - modeset = &fb_helper->crtc_info[i].mode_set; - modeset->num_connectors = 0; - modeset->fb = NULL; - } + for (i = 0; i < fb_helper->crtc_count; i++) + drm_fb_helper_modeset_release(fb_helper, + &fb_helper->crtc_info[i].mode_set); for (i = 0; i < fb_helper->connector_count; i++) { struct drm_display_mode *mode = modes[i]; struct drm_fb_helper_crtc *fb_crtc = crtcs[i]; struct drm_fb_offset *offset = &offsets[i]; - modeset = &fb_crtc->mode_set; + struct drm_mode_set *modeset = &fb_crtc->mode_set; if (mode && fb_crtc) { + struct drm_connector *connector = + fb_helper->connector_info[i]->connector; + DRM_DEBUG_KMS("desired mode %s set on crtc %d (%d,%d)\n", mode->name, fb_crtc->mode_set.crtc->base.id, offset->x, offset->y); + fb_crtc->desired_mode = mode; fb_crtc->x = offset->x; fb_crtc->y = offset->y; - if (modeset->mode) - drm_mode_destroy(dev, modeset->mode); modeset->mode = drm_mode_duplicate(dev, fb_crtc->desired_mode); - modeset->connectors[modeset->num_connectors++] = fb_helper->connector_info[i]->connector; + drm_connector_reference(connector); + modeset->connectors[modeset->num_connectors++] = connector; modeset->fb = fb_helper->fb; modeset->x = offset->x; modeset->y = offset->y; } } - - /* Clear out any old modes if there are no more connected outputs. */ - for (i = 0; i < fb_helper->crtc_count; i++) { - modeset = &fb_helper->crtc_info[i].mode_set; - if (modeset->num_connectors == 0) { - BUG_ON(modeset->fb); - if (modeset->mode) - drm_mode_destroy(dev, modeset->mode); - modeset->mode = NULL; - } - } out: kfree(crtcs); kfree(modes); diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index def78c8..f86e7c8 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -262,6 +262,26 @@ int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, return 0; } +int exynos_atomic_check(struct drm_device *dev, + struct drm_atomic_state *state) +{ + int ret; + + ret = drm_atomic_helper_check_modeset(dev, state); + if (ret) + return ret; + + ret = drm_atomic_normalize_zpos(dev, state); + if (ret) + return ret; + + ret = drm_atomic_helper_check_planes(dev, state); + if (ret) + return ret; + + return ret; +} + static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) { struct drm_exynos_file_private *file_priv; diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index d215149..80c4d5b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -301,6 +301,7 @@ static inline int exynos_dpi_bind(struct drm_device *dev, int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, bool nonblock); +int exynos_atomic_check(struct drm_device *dev, struct drm_atomic_state *state); extern struct platform_driver fimd_driver; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index 40ce841..23cce0a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -190,7 +190,7 @@ dma_addr_t exynos_drm_fb_dma_addr(struct drm_framebuffer *fb, int index) static const struct drm_mode_config_funcs exynos_drm_mode_config_funcs = { .fb_create = exynos_user_fb_create, .output_poll_changed = exynos_drm_output_poll_changed, - .atomic_check = drm_atomic_helper_check, + .atomic_check = exynos_atomic_check, .atomic_commit = exynos_atomic_commit, }; diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index bfb2efd..18dfdd5 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1447,8 +1447,6 @@ static int i915_drm_suspend(struct drm_device *dev) dev_priv->suspend_count++; - intel_display_set_init_power(dev_priv, false); - intel_csr_ucode_suspend(dev_priv); out: @@ -1466,6 +1464,8 @@ static int i915_drm_suspend_late(struct drm_device *dev, bool hibernation) disable_rpm_wakeref_asserts(dev_priv); + intel_display_set_init_power(dev_priv, false); + fw_csr = !IS_BROXTON(dev_priv) && suspend_to_idle(dev_priv) && dev_priv->csr.dmc_payload; /* diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 8b9ee4e..685e9e06 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2883,6 +2883,11 @@ __i915_printk(struct drm_i915_private *dev_priv, const char *level, extern long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); #endif +extern const struct dev_pm_ops i915_pm_ops; + +extern int i915_driver_load(struct pci_dev *pdev, + const struct pci_device_id *ent); +extern void i915_driver_unload(struct drm_device *dev); extern int intel_gpu_reset(struct drm_i915_private *dev_priv, u32 engine_mask); extern bool intel_has_gpu_reset(struct drm_i915_private *dev_priv); extern void i915_reset(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 947e82c..91ab7e9 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1806,7 +1806,7 @@ int i915_gem_fault(struct vm_area_struct *area, struct vm_fault *vmf) /* Use a partial view if it is bigger than available space */ chunk_size = MIN_CHUNK_PAGES; if (i915_gem_object_is_tiled(obj)) - chunk_size = max(chunk_size, tile_row_pages(obj)); + chunk_size = roundup(chunk_size, tile_row_pages(obj)); memset(&view, 0, sizeof(view)); view.type = I915_GGTT_VIEW_PARTIAL; @@ -3543,15 +3543,27 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj, if (view->type == I915_GGTT_VIEW_NORMAL) vma = i915_gem_object_ggtt_pin(obj, view, 0, alignment, PIN_MAPPABLE | PIN_NONBLOCK); - if (IS_ERR(vma)) - vma = i915_gem_object_ggtt_pin(obj, view, 0, alignment, 0); + if (IS_ERR(vma)) { + struct drm_i915_private *i915 = to_i915(obj->base.dev); + unsigned int flags; + + /* Valleyview is definitely limited to scanning out the first + * 512MiB. Lets presume this behaviour was inherited from the + * g4x display engine and that all earlier gen are similarly + * limited. Testing suggests that it is a little more + * complicated than this. For example, Cherryview appears quite + * happy to scanout from anywhere within its global aperture. + */ + flags = 0; + if (HAS_GMCH_DISPLAY(i915)) + flags = PIN_MAPPABLE; + vma = i915_gem_object_ggtt_pin(obj, view, 0, alignment, flags); + } if (IS_ERR(vma)) goto err_unpin_display; vma->display_alignment = max_t(u64, vma->display_alignment, alignment); - WARN_ON(obj->pin_display > i915_vma_pin_count(vma)); - i915_gem_object_flush_cpu_write_domain(obj); old_write_domain = obj->base.write_domain; @@ -3588,7 +3600,6 @@ i915_gem_object_unpin_from_display_plane(struct i915_vma *vma) list_move_tail(&vma->vm_link, &vma->vm->inactive_list); i915_vma_unpin(vma); - WARN_ON(vma->obj->pin_display > i915_vma_pin_count(vma)); } /** @@ -3745,7 +3756,12 @@ void __i915_vma_set_map_and_fenceable(struct i915_vma *vma) mappable = (vma->node.start + fence_size <= dev_priv->ggtt.mappable_end); - if (mappable && fenceable) + /* + * Explicitly disable for rotated VMA since the display does not + * need the fence and the VMA is not accessible to other users. + */ + if (mappable && fenceable && + vma->ggtt_view.type != I915_GGTT_VIEW_ROTATED) vma->flags |= I915_VMA_CAN_FENCE; else vma->flags &= ~I915_VMA_CAN_FENCE; diff --git a/drivers/gpu/drm/i915/i915_gem_fence.c b/drivers/gpu/drm/i915/i915_gem_fence.c index 8df1fa7..2c7ba0e 100644 --- a/drivers/gpu/drm/i915/i915_gem_fence.c +++ b/drivers/gpu/drm/i915/i915_gem_fence.c @@ -290,6 +290,8 @@ i915_vma_put_fence(struct i915_vma *vma) { struct drm_i915_fence_reg *fence = vma->fence; + assert_rpm_wakelock_held(to_i915(vma->vm->dev)); + if (!fence) return 0; @@ -341,6 +343,8 @@ i915_vma_get_fence(struct i915_vma *vma) struct drm_i915_fence_reg *fence; struct i915_vma *set = i915_gem_object_is_tiled(vma->obj) ? vma : NULL; + assert_rpm_wakelock_held(to_i915(vma->vm->dev)); + /* Just update our place in the LRU if our fence is getting reused. */ if (vma->fence) { fence = vma->fence; @@ -371,6 +375,12 @@ void i915_gem_restore_fences(struct drm_device *dev) struct drm_i915_private *dev_priv = to_i915(dev); int i; + /* Note that this may be called outside of struct_mutex, by + * runtime suspend/resume. The barrier we require is enforced by + * rpm itself - all access to fences/GTT are only within an rpm + * wakeref, and to acquire that wakeref you must pass through here. + */ + for (i = 0; i < dev_priv->num_fence_regs; i++) { struct drm_i915_fence_reg *reg = &dev_priv->fence_regs[i]; struct i915_vma *vma = reg->vma; @@ -379,10 +389,17 @@ void i915_gem_restore_fences(struct drm_device *dev) * Commit delayed tiling changes if we have an object still * attached to the fence, otherwise just clear the fence. */ - if (vma && !i915_gem_object_is_tiled(vma->obj)) + if (vma && !i915_gem_object_is_tiled(vma->obj)) { + GEM_BUG_ON(!reg->dirty); + GEM_BUG_ON(vma->obj->fault_mappable); + + list_move(®->link, &dev_priv->mm.fence_list); + vma->fence = NULL; vma = NULL; + } - fence_update(reg, vma); + fence_write(reg, vma); + reg->vma = vma; } } diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index 687c768..31e6edd 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -431,9 +431,6 @@ static const struct pci_device_id pciidlist[] = { }; MODULE_DEVICE_TABLE(pci, pciidlist); -extern int i915_driver_load(struct pci_dev *pdev, - const struct pci_device_id *ent); - static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct intel_device_info *intel_info = @@ -463,8 +460,6 @@ static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) return i915_driver_load(pdev, ent); } -extern void i915_driver_unload(struct drm_device *dev); - static void i915_pci_remove(struct pci_dev *pdev) { struct drm_device *dev = pci_get_drvdata(pdev); @@ -473,8 +468,6 @@ static void i915_pci_remove(struct pci_dev *pdev) drm_dev_unref(dev); } -extern const struct dev_pm_ops i915_pm_ops; - static struct pci_driver i915_pci_driver = { .name = DRIVER_NAME, .id_table = pciidlist, diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c index c6e69e4..1f8af87 100644 --- a/drivers/gpu/drm/i915/intel_bios.c +++ b/drivers/gpu/drm/i915/intel_bios.c @@ -1031,6 +1031,77 @@ static u8 translate_iboost(u8 val) return mapping[val]; } +static void sanitize_ddc_pin(struct drm_i915_private *dev_priv, + enum port port) +{ + const struct ddi_vbt_port_info *info = + &dev_priv->vbt.ddi_port_info[port]; + enum port p; + + if (!info->alternate_ddc_pin) + return; + + for_each_port_masked(p, (1 << port) - 1) { + struct ddi_vbt_port_info *i = &dev_priv->vbt.ddi_port_info[p]; + + if (info->alternate_ddc_pin != i->alternate_ddc_pin) + continue; + + DRM_DEBUG_KMS("port %c trying to use the same DDC pin (0x%x) as port %c, " + "disabling port %c DVI/HDMI support\n", + port_name(p), i->alternate_ddc_pin, + port_name(port), port_name(p)); + + /* + * If we have multiple ports supposedly sharing the + * pin, then dvi/hdmi couldn't exist on the shared + * port. Otherwise they share the same ddc bin and + * system couldn't communicate with them separately. + * + * Due to parsing the ports in alphabetical order, + * a higher port will always clobber a lower one. + */ + i->supports_dvi = false; + i->supports_hdmi = false; + i->alternate_ddc_pin = 0; + } +} + +static void sanitize_aux_ch(struct drm_i915_private *dev_priv, + enum port port) +{ + const struct ddi_vbt_port_info *info = + &dev_priv->vbt.ddi_port_info[port]; + enum port p; + + if (!info->alternate_aux_channel) + return; + + for_each_port_masked(p, (1 << port) - 1) { + struct ddi_vbt_port_info *i = &dev_priv->vbt.ddi_port_info[p]; + + if (info->alternate_aux_channel != i->alternate_aux_channel) + continue; + + DRM_DEBUG_KMS("port %c trying to use the same AUX CH (0x%x) as port %c, " + "disabling port %c DP support\n", + port_name(p), i->alternate_aux_channel, + port_name(port), port_name(p)); + + /* + * If we have multiple ports supposedlt sharing the + * aux channel, then DP couldn't exist on the shared + * port. Otherwise they share the same aux channel + * and system couldn't communicate with them separately. + * + * Due to parsing the ports in alphabetical order, + * a higher port will always clobber a lower one. + */ + i->supports_dp = false; + i->alternate_aux_channel = 0; + } +} + static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, const struct bdb_header *bdb) { @@ -1105,54 +1176,15 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv, enum port port, DRM_DEBUG_KMS("Port %c is internal DP\n", port_name(port)); if (is_dvi) { - if (port == PORT_E) { - info->alternate_ddc_pin = ddc_pin; - /* if DDIE share ddc pin with other port, then - * dvi/hdmi couldn't exist on the shared port. - * Otherwise they share the same ddc bin and system - * couldn't communicate with them seperately. */ - if (ddc_pin == DDC_PIN_B) { - dev_priv->vbt.ddi_port_info[PORT_B].supports_dvi = 0; - dev_priv->vbt.ddi_port_info[PORT_B].supports_hdmi = 0; - } else if (ddc_pin == DDC_PIN_C) { - dev_priv->vbt.ddi_port_info[PORT_C].supports_dvi = 0; - dev_priv->vbt.ddi_port_info[PORT_C].supports_hdmi = 0; - } else if (ddc_pin == DDC_PIN_D) { - dev_priv->vbt.ddi_port_info[PORT_D].supports_dvi = 0; - dev_priv->vbt.ddi_port_info[PORT_D].supports_hdmi = 0; - } - } else if (ddc_pin == DDC_PIN_B && port != PORT_B) - DRM_DEBUG_KMS("Unexpected DDC pin for port B\n"); - else if (ddc_pin == DDC_PIN_C && port != PORT_C) - DRM_DEBUG_KMS("Unexpected DDC pin for port C\n"); - else if (ddc_pin == DDC_PIN_D && port != PORT_D) - DRM_DEBUG_KMS("Unexpected DDC pin for port D\n"); + info->alternate_ddc_pin = ddc_pin; + + sanitize_ddc_pin(dev_priv, port); } if (is_dp) { - if (port == PORT_E) { - info->alternate_aux_channel = aux_channel; - /* if DDIE share aux channel with other port, then - * DP couldn't exist on the shared port. Otherwise - * they share the same aux channel and system - * couldn't communicate with them seperately. */ - if (aux_channel == DP_AUX_A) - dev_priv->vbt.ddi_port_info[PORT_A].supports_dp = 0; - else if (aux_channel == DP_AUX_B) - dev_priv->vbt.ddi_port_info[PORT_B].supports_dp = 0; - else if (aux_channel == DP_AUX_C) - dev_priv->vbt.ddi_port_info[PORT_C].supports_dp = 0; - else if (aux_channel == DP_AUX_D) - dev_priv->vbt.ddi_port_info[PORT_D].supports_dp = 0; - } - else if (aux_channel == DP_AUX_A && port != PORT_A) - DRM_DEBUG_KMS("Unexpected AUX channel for port A\n"); - else if (aux_channel == DP_AUX_B && port != PORT_B) - DRM_DEBUG_KMS("Unexpected AUX channel for port B\n"); - else if (aux_channel == DP_AUX_C && port != PORT_C) - DRM_DEBUG_KMS("Unexpected AUX channel for port C\n"); - else if (aux_channel == DP_AUX_D && port != PORT_D) - DRM_DEBUG_KMS("Unexpected AUX channel for port D\n"); + info->alternate_aux_channel = aux_channel; + + sanitize_aux_ch(dev_priv, port); } if (bdb->version >= 158) { diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c index 73b6858..1b20e16 100644 --- a/drivers/gpu/drm/i915/intel_device_info.c +++ b/drivers/gpu/drm/i915/intel_device_info.c @@ -192,7 +192,7 @@ static void broadwell_sseu_info_init(struct drm_i915_private *dev_priv) struct sseu_dev_info *sseu = &mkwrite_device_info(dev_priv)->sseu; const int s_max = 3, ss_max = 3, eu_max = 8; int s, ss; - u32 fuse2, eu_disable[s_max]; + u32 fuse2, eu_disable[3]; /* s_max */ fuse2 = I915_READ(GEN8_FUSE2); sseu->slice_mask = (fuse2 & GEN8_F2_S_ENA_MASK) >> GEN8_F2_S_ENA_SHIFT; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index fbcfed6..81c1149 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2978,7 +2978,8 @@ int skl_check_plane_surface(struct intel_plane_state *plane_state) /* Rotate src coordinates to match rotated GTT view */ if (intel_rotation_90_or_270(rotation)) drm_rect_rotate(&plane_state->base.src, - fb->width, fb->height, DRM_ROTATE_270); + fb->width << 16, fb->height << 16, + DRM_ROTATE_270); /* * Handle the AUX surface first since @@ -10242,6 +10243,29 @@ static void bxt_modeset_commit_cdclk(struct drm_atomic_state *old_state) bxt_set_cdclk(to_i915(dev), req_cdclk); } +static int bdw_adjust_min_pipe_pixel_rate(struct intel_crtc_state *crtc_state, + int pixel_rate) +{ + struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev); + + /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */ + if (IS_BROADWELL(dev_priv) && crtc_state->ips_enabled) + pixel_rate = DIV_ROUND_UP(pixel_rate * 100, 95); + + /* BSpec says "Do not use DisplayPort with CDCLK less than + * 432 MHz, audio enabled, port width x4, and link rate + * HBR2 (5.4 GHz), or else there may be audio corruption or + * screen corruption." + */ + if (intel_crtc_has_dp_encoder(crtc_state) && + crtc_state->has_audio && + crtc_state->port_clock >= 540000 && + crtc_state->lane_count == 4) + pixel_rate = max(432000, pixel_rate); + + return pixel_rate; +} + /* compute the max rate for new configuration */ static int ilk_max_pixel_rate(struct drm_atomic_state *state) { @@ -10267,9 +10291,9 @@ static int ilk_max_pixel_rate(struct drm_atomic_state *state) pixel_rate = ilk_pipe_pixel_rate(crtc_state); - /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */ - if (IS_BROADWELL(dev_priv) && crtc_state->ips_enabled) - pixel_rate = DIV_ROUND_UP(pixel_rate * 100, 95); + if (IS_BROADWELL(dev_priv) || IS_GEN9(dev_priv)) + pixel_rate = bdw_adjust_min_pipe_pixel_rate(crtc_state, + pixel_rate); intel_state->min_pixclk[i] = pixel_rate; } @@ -14310,7 +14334,7 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state) for_each_plane_in_state(state, plane, plane_state, i) { struct intel_plane_state *intel_plane_state = - to_intel_plane_state(plane_state); + to_intel_plane_state(plane->state); if (!intel_plane_state->wait_req) continue; diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 14a3cf0..3581b5a 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1108,6 +1108,44 @@ intel_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg) return ret; } +static enum port intel_aux_port(struct drm_i915_private *dev_priv, + enum port port) +{ + const struct ddi_vbt_port_info *info = + &dev_priv->vbt.ddi_port_info[port]; + enum port aux_port; + + if (!info->alternate_aux_channel) { + DRM_DEBUG_KMS("using AUX %c for port %c (platform default)\n", + port_name(port), port_name(port)); + return port; + } + + switch (info->alternate_aux_channel) { + case DP_AUX_A: + aux_port = PORT_A; + break; + case DP_AUX_B: + aux_port = PORT_B; + break; + case DP_AUX_C: + aux_port = PORT_C; + break; + case DP_AUX_D: + aux_port = PORT_D; + break; + default: + MISSING_CASE(info->alternate_aux_channel); + aux_port = PORT_A; + break; + } + + DRM_DEBUG_KMS("using AUX %c for port %c (VBT)\n", + port_name(aux_port), port_name(port)); + + return aux_port; +} + static i915_reg_t g4x_aux_ctl_reg(struct drm_i915_private *dev_priv, enum port port) { @@ -1168,36 +1206,9 @@ static i915_reg_t ilk_aux_data_reg(struct drm_i915_private *dev_priv, } } -/* - * On SKL we don't have Aux for port E so we rely - * on VBT to set a proper alternate aux channel. - */ -static enum port skl_porte_aux_port(struct drm_i915_private *dev_priv) -{ - const struct ddi_vbt_port_info *info = - &dev_priv->vbt.ddi_port_info[PORT_E]; - - switch (info->alternate_aux_channel) { - case DP_AUX_A: - return PORT_A; - case DP_AUX_B: - return PORT_B; - case DP_AUX_C: - return PORT_C; - case DP_AUX_D: - return PORT_D; - default: - MISSING_CASE(info->alternate_aux_channel); - return PORT_A; - } -} - static i915_reg_t skl_aux_ctl_reg(struct drm_i915_private *dev_priv, enum port port) { - if (port == PORT_E) - port = skl_porte_aux_port(dev_priv); - switch (port) { case PORT_A: case PORT_B: @@ -1213,9 +1224,6 @@ static i915_reg_t skl_aux_ctl_reg(struct drm_i915_private *dev_priv, static i915_reg_t skl_aux_data_reg(struct drm_i915_private *dev_priv, enum port port, int index) { - if (port == PORT_E) - port = skl_porte_aux_port(dev_priv); - switch (port) { case PORT_A: case PORT_B: @@ -1253,7 +1261,8 @@ static i915_reg_t intel_aux_data_reg(struct drm_i915_private *dev_priv, static void intel_aux_reg_init(struct intel_dp *intel_dp) { struct drm_i915_private *dev_priv = to_i915(intel_dp_to_dev(intel_dp)); - enum port port = dp_to_dig_port(intel_dp)->port; + enum port port = intel_aux_port(dev_priv, + dp_to_dig_port(intel_dp)->port); int i; intel_dp->aux_ch_ctl_reg = intel_aux_ctl_reg(dev_priv, port); @@ -3551,8 +3560,8 @@ intel_edp_init_dpcd(struct intel_dp *intel_dp) /* Read the eDP Display control capabilities registers */ if ((intel_dp->dpcd[DP_EDP_CONFIGURATION_CAP] & DP_DPCD_DISPLAY_CONTROL_CAPABLE) && drm_dp_dpcd_read(&intel_dp->aux, DP_EDP_DPCD_REV, - intel_dp->edp_dpcd, sizeof(intel_dp->edp_dpcd) == - sizeof(intel_dp->edp_dpcd))) + intel_dp->edp_dpcd, sizeof(intel_dp->edp_dpcd)) == + sizeof(intel_dp->edp_dpcd)) DRM_DEBUG_KMS("EDP DPCD : %*ph\n", (int) sizeof(intel_dp->edp_dpcd), intel_dp->edp_dpcd); diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index faa6762..c43dd9a 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -104,8 +104,10 @@ static int intel_fbc_calculate_cfb_size(struct drm_i915_private *dev_priv, int lines; intel_fbc_get_plane_source_size(cache, NULL, &lines); - if (INTEL_INFO(dev_priv)->gen >= 7) + if (INTEL_GEN(dev_priv) == 7) lines = min(lines, 2048); + else if (INTEL_GEN(dev_priv) >= 8) + lines = min(lines, 2560); /* Hardware needs the full buffer stride, not just the active area. */ return lines * cache->fb.stride; diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index f40a35f..13c3061 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1799,6 +1799,50 @@ intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *c intel_hdmi->aspect_ratio = HDMI_PICTURE_ASPECT_NONE; } +static u8 intel_hdmi_ddc_pin(struct drm_i915_private *dev_priv, + enum port port) +{ + const struct ddi_vbt_port_info *info = + &dev_priv->vbt.ddi_port_info[port]; + u8 ddc_pin; + + if (info->alternate_ddc_pin) { + DRM_DEBUG_KMS("Using DDC pin 0x%x for port %c (VBT)\n", + info->alternate_ddc_pin, port_name(port)); + return info->alternate_ddc_pin; + } + + switch (port) { + case PORT_B: + if (IS_BROXTON(dev_priv)) + ddc_pin = GMBUS_PIN_1_BXT; + else + ddc_pin = GMBUS_PIN_DPB; + break; + case PORT_C: + if (IS_BROXTON(dev_priv)) + ddc_pin = GMBUS_PIN_2_BXT; + else + ddc_pin = GMBUS_PIN_DPC; + break; + case PORT_D: + if (IS_CHERRYVIEW(dev_priv)) + ddc_pin = GMBUS_PIN_DPD_CHV; + else + ddc_pin = GMBUS_PIN_DPD; + break; + default: + MISSING_CASE(port); + ddc_pin = GMBUS_PIN_DPB; + break; + } + + DRM_DEBUG_KMS("Using DDC pin 0x%x for port %c (platform default)\n", + ddc_pin, port_name(port)); + + return ddc_pin; +} + void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, struct intel_connector *intel_connector) { @@ -1808,7 +1852,6 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, struct drm_device *dev = intel_encoder->base.dev; struct drm_i915_private *dev_priv = to_i915(dev); enum port port = intel_dig_port->port; - uint8_t alternate_ddc_pin; DRM_DEBUG_KMS("Adding HDMI connector on port %c\n", port_name(port)); @@ -1826,12 +1869,10 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, connector->doublescan_allowed = 0; connector->stereo_allowed = 1; + intel_hdmi->ddc_bus = intel_hdmi_ddc_pin(dev_priv, port); + switch (port) { case PORT_B: - if (IS_BROXTON(dev_priv)) - intel_hdmi->ddc_bus = GMBUS_PIN_1_BXT; - else - intel_hdmi->ddc_bus = GMBUS_PIN_DPB; /* * On BXT A0/A1, sw needs to activate DDIA HPD logic and * interrupts to check the external panel connection. @@ -1842,46 +1883,17 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, intel_encoder->hpd_pin = HPD_PORT_B; break; case PORT_C: - if (IS_BROXTON(dev_priv)) - intel_hdmi->ddc_bus = GMBUS_PIN_2_BXT; - else - intel_hdmi->ddc_bus = GMBUS_PIN_DPC; intel_encoder->hpd_pin = HPD_PORT_C; break; case PORT_D: - if (WARN_ON(IS_BROXTON(dev_priv))) - intel_hdmi->ddc_bus = GMBUS_PIN_DISABLED; - else if (IS_CHERRYVIEW(dev_priv)) - intel_hdmi->ddc_bus = GMBUS_PIN_DPD_CHV; - else - intel_hdmi->ddc_bus = GMBUS_PIN_DPD; intel_encoder->hpd_pin = HPD_PORT_D; break; case PORT_E: - /* On SKL PORT E doesn't have seperate GMBUS pin - * We rely on VBT to set a proper alternate GMBUS pin. */ - alternate_ddc_pin = - dev_priv->vbt.ddi_port_info[PORT_E].alternate_ddc_pin; - switch (alternate_ddc_pin) { - case DDC_PIN_B: - intel_hdmi->ddc_bus = GMBUS_PIN_DPB; - break; - case DDC_PIN_C: - intel_hdmi->ddc_bus = GMBUS_PIN_DPC; - break; - case DDC_PIN_D: - intel_hdmi->ddc_bus = GMBUS_PIN_DPD; - break; - default: - MISSING_CASE(alternate_ddc_pin); - } intel_encoder->hpd_pin = HPD_PORT_E; break; - case PORT_A: - intel_encoder->hpd_pin = HPD_PORT_A; - /* Internal port only for eDP. */ default: - BUG(); + MISSING_CASE(port); + return; } if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a2f751c..db24f89 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3362,13 +3362,15 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, int num_active; int id, i; + /* Clear the partitioning for disabled planes. */ + memset(ddb->plane[pipe], 0, sizeof(ddb->plane[pipe])); + memset(ddb->y_plane[pipe], 0, sizeof(ddb->y_plane[pipe])); + if (WARN_ON(!state)) return 0; if (!cstate->base.active) { ddb->pipe[pipe].start = ddb->pipe[pipe].end = 0; - memset(ddb->plane[pipe], 0, sizeof(ddb->plane[pipe])); - memset(ddb->y_plane[pipe], 0, sizeof(ddb->y_plane[pipe])); return 0; } @@ -3468,12 +3470,6 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate, return 0; } -static uint32_t skl_pipe_pixel_rate(const struct intel_crtc_state *config) -{ - /* TODO: Take into account the scalers once we support them */ - return config->base.adjusted_mode.crtc_clock; -} - /* * The max latency should be 257 (max the punit can code is 255 and we add 2us * for the read latency) and cpp should always be <= 8, so that @@ -3524,7 +3520,7 @@ static uint32_t skl_adjusted_plane_pixel_rate(const struct intel_crtc_state *cst * Adjusted plane pixel rate is just the pipe's adjusted pixel rate * with additional adjustments for plane-specific scaling. */ - adjusted_pixel_rate = skl_pipe_pixel_rate(cstate); + adjusted_pixel_rate = ilk_pipe_pixel_rate(cstate); downscale_amount = skl_plane_downscale_amount(pstate); pixel_rate = adjusted_pixel_rate * downscale_amount >> 16; @@ -3736,11 +3732,11 @@ skl_compute_linetime_wm(struct intel_crtc_state *cstate) if (!cstate->base.active) return 0; - if (WARN_ON(skl_pipe_pixel_rate(cstate) == 0)) + if (WARN_ON(ilk_pipe_pixel_rate(cstate) == 0)) return 0; return DIV_ROUND_UP(8 * cstate->base.adjusted_mode.crtc_htotal * 1000, - skl_pipe_pixel_rate(cstate)); + ilk_pipe_pixel_rate(cstate)); } static void skl_compute_transition_wm(struct intel_crtc_state *cstate, @@ -4050,6 +4046,12 @@ skl_compute_ddb(struct drm_atomic_state *state) intel_state->wm_results.dirty_pipes = ~0; } + /* + * We're not recomputing for the pipes not included in the commit, so + * make sure we start with the current state. + */ + memcpy(ddb, &dev_priv->wm.skl_hw.ddb, sizeof(*ddb)); + for_each_intel_crtc_mask(dev, intel_crtc, realloc_pipes) { struct intel_crtc_state *cstate; diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 6c11168..a38c2fe 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -1139,7 +1139,9 @@ static void vlv_display_power_well_deinit(struct drm_i915_private *dev_priv) intel_power_sequencer_reset(dev_priv); - intel_hpd_poll_init(dev_priv); + /* Prevent us from re-enabling polling on accident in late suspend */ + if (!dev_priv->drm.dev->power.is_suspended) + intel_hpd_poll_init(dev_priv); } static void vlv_display_power_well_enable(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c index 98df09c..9672b57 100644 --- a/drivers/gpu/drm/imx/imx-drm-core.c +++ b/drivers/gpu/drm/imx/imx-drm-core.c @@ -357,8 +357,8 @@ static int imx_drm_bind(struct device *dev) int ret; drm = drm_dev_alloc(&imx_drm_driver, dev); - if (!drm) - return -ENOMEM; + if (IS_ERR(drm)) + return PTR_ERR(drm); imxdrm = devm_kzalloc(dev, sizeof(*imxdrm), GFP_KERNEL); if (!imxdrm) { @@ -436,9 +436,11 @@ static int imx_drm_bind(struct device *dev) err_fbhelper: drm_kms_helper_poll_fini(drm); +#if IS_ENABLED(CONFIG_DRM_FBDEV_EMULATION) if (imxdrm->fbhelper) drm_fbdev_cma_fini(imxdrm->fbhelper); err_unbind: +#endif component_unbind_all(drm->dev, drm); err_vblank: drm_vblank_cleanup(drm); diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 4e1ae3f..6be515a 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -68,6 +68,12 @@ static void ipu_crtc_atomic_disable(struct drm_crtc *crtc, ipu_dc_disable_channel(ipu_crtc->dc); ipu_di_disable(ipu_crtc->di); + /* + * Planes must be disabled before DC clock is removed, as otherwise the + * attached IDMACs will be left in undefined state, possibly hanging + * the IPU or even system. + */ + drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, false); ipu_dc_disable(ipu); spin_lock_irq(&crtc->dev->event_lock); @@ -77,9 +83,6 @@ static void ipu_crtc_atomic_disable(struct drm_crtc *crtc, } spin_unlock_irq(&crtc->dev->event_lock); - /* always disable planes on the CRTC */ - drm_atomic_helper_disable_planes_on_crtc(old_crtc_state, true); - drm_crtc_vblank_off(crtc); } diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c index ce22d0a..d5864ed 100644 --- a/drivers/gpu/drm/imx/ipuv3-plane.c +++ b/drivers/gpu/drm/imx/ipuv3-plane.c @@ -103,11 +103,11 @@ drm_plane_state_to_vbo(struct drm_plane_state *state) (state->src_x >> 16) / 2 - eba; } -static void ipu_plane_atomic_set_base(struct ipu_plane *ipu_plane, - struct drm_plane_state *old_state) +static void ipu_plane_atomic_set_base(struct ipu_plane *ipu_plane) { struct drm_plane *plane = &ipu_plane->base; struct drm_plane_state *state = plane->state; + struct drm_crtc_state *crtc_state = state->crtc->state; struct drm_framebuffer *fb = state->fb; unsigned long eba, ubo, vbo; int active; @@ -117,7 +117,7 @@ static void ipu_plane_atomic_set_base(struct ipu_plane *ipu_plane, switch (fb->pixel_format) { case DRM_FORMAT_YUV420: case DRM_FORMAT_YVU420: - if (old_state->fb) + if (!drm_atomic_crtc_needs_modeset(crtc_state)) break; /* @@ -149,7 +149,7 @@ static void ipu_plane_atomic_set_base(struct ipu_plane *ipu_plane, break; } - if (old_state->fb) { + if (!drm_atomic_crtc_needs_modeset(crtc_state)) { active = ipu_idmac_get_current_buffer(ipu_plane->ipu_ch); ipu_cpmem_set_buffer(ipu_plane->ipu_ch, !active, eba); ipu_idmac_select_buffer(ipu_plane->ipu_ch, !active); @@ -259,6 +259,7 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, struct drm_framebuffer *fb = state->fb; struct drm_framebuffer *old_fb = old_state->fb; unsigned long eba, ubo, vbo, old_ubo, old_vbo; + int hsub, vsub; /* Ok to disable */ if (!fb) @@ -355,7 +356,9 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, if ((ubo > 0xfffff8) || (vbo > 0xfffff8)) return -EINVAL; - if (old_fb) { + if (old_fb && + (old_fb->pixel_format == DRM_FORMAT_YUV420 || + old_fb->pixel_format == DRM_FORMAT_YVU420)) { old_ubo = drm_plane_state_to_ubo(old_state); old_vbo = drm_plane_state_to_vbo(old_state); if (ubo != old_ubo || vbo != old_vbo) @@ -370,6 +373,16 @@ static int ipu_plane_atomic_check(struct drm_plane *plane, if (old_fb && old_fb->pitches[1] != fb->pitches[1]) crtc_state->mode_changed = true; + + /* + * The x/y offsets must be even in case of horizontal/vertical + * chroma subsampling. + */ + hsub = drm_format_horz_chroma_subsampling(fb->pixel_format); + vsub = drm_format_vert_chroma_subsampling(fb->pixel_format); + if (((state->src_x >> 16) & (hsub - 1)) || + ((state->src_y >> 16) & (vsub - 1))) + return -EINVAL; } return 0; @@ -392,7 +405,7 @@ static void ipu_plane_atomic_update(struct drm_plane *plane, struct drm_crtc_state *crtc_state = state->crtc->state; if (!drm_atomic_crtc_needs_modeset(crtc_state)) { - ipu_plane_atomic_set_base(ipu_plane, old_state); + ipu_plane_atomic_set_base(ipu_plane); return; } } @@ -424,6 +437,7 @@ static void ipu_plane_atomic_update(struct drm_plane *plane, ipu_dp_set_global_alpha(ipu_plane->dp, false, 0, false); break; default: + ipu_dp_set_global_alpha(ipu_plane->dp, true, 0, true); break; } } @@ -437,7 +451,7 @@ static void ipu_plane_atomic_update(struct drm_plane *plane, ipu_cpmem_set_high_priority(ipu_plane->ipu_ch); ipu_idmac_set_double_buffer(ipu_plane->ipu_ch, 1); ipu_cpmem_set_stride(ipu_plane->ipu_ch, state->fb->pitches[0]); - ipu_plane_atomic_set_base(ipu_plane, old_state); + ipu_plane_atomic_set_base(ipu_plane); ipu_plane_enable(ipu_plane); } diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index f05ed0e..6f24002 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -139,6 +139,7 @@ struct msm_dsi_host { u32 err_work_state; struct work_struct err_work; + struct work_struct hpd_work; struct workqueue_struct *workqueue; /* DSI 6G TX buffer*/ @@ -1294,6 +1295,14 @@ static void dsi_sw_reset_restore(struct msm_dsi_host *msm_host) wmb(); /* make sure dsi controller enabled again */ } +static void dsi_hpd_worker(struct work_struct *work) +{ + struct msm_dsi_host *msm_host = + container_of(work, struct msm_dsi_host, hpd_work); + + drm_helper_hpd_irq_event(msm_host->dev); +} + static void dsi_err_worker(struct work_struct *work) { struct msm_dsi_host *msm_host = @@ -1480,7 +1489,7 @@ static int dsi_host_attach(struct mipi_dsi_host *host, DBG("id=%d", msm_host->id); if (msm_host->dev) - drm_helper_hpd_irq_event(msm_host->dev); + queue_work(msm_host->workqueue, &msm_host->hpd_work); return 0; } @@ -1494,7 +1503,7 @@ static int dsi_host_detach(struct mipi_dsi_host *host, DBG("id=%d", msm_host->id); if (msm_host->dev) - drm_helper_hpd_irq_event(msm_host->dev); + queue_work(msm_host->workqueue, &msm_host->hpd_work); return 0; } @@ -1748,6 +1757,7 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi) /* setup workqueue */ msm_host->workqueue = alloc_ordered_workqueue("dsi_drm_work", 0); INIT_WORK(&msm_host->err_work, dsi_err_worker); + INIT_WORK(&msm_host->hpd_work, dsi_hpd_worker); msm_dsi->host = &msm_host->base; msm_dsi->id = msm_host->id; diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c index 598fdaf..26e3a01 100644 --- a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm.c @@ -521,6 +521,7 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm) .parent_names = (const char *[]){ "xo" }, .num_parents = 1, .name = vco_name, + .flags = CLK_IGNORE_UNUSED, .ops = &clk_ops_dsi_pll_28nm_vco, }; struct device *dev = &pll_28nm->pdev->dev; diff --git a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c index 38c90e1..4900845 100644 --- a/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c +++ b/drivers/gpu/drm/msm/dsi/pll/dsi_pll_28nm_8960.c @@ -412,6 +412,7 @@ static int pll_28nm_register(struct dsi_pll_28nm *pll_28nm) struct clk_init_data vco_init = { .parent_names = (const char *[]){ "pxo" }, .num_parents = 1, + .flags = CLK_IGNORE_UNUSED, .ops = &clk_ops_dsi_pll_28nm_vco, }; struct device *dev = &pll_28nm->pdev->dev; diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c index aa94a55..143eab4 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_phy_8996.c @@ -702,6 +702,7 @@ static struct clk_init_data pll_init = { .ops = &hdmi_8996_pll_ops, .parent_names = hdmi_pll_parents, .num_parents = ARRAY_SIZE(hdmi_pll_parents), + .flags = CLK_IGNORE_UNUSED, }; int msm_hdmi_pll_8996_init(struct platform_device *pdev) diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c b/drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c index 92da69a..9959075 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_pll_8960.c @@ -424,6 +424,7 @@ static struct clk_init_data pll_init = { .ops = &hdmi_pll_ops, .parent_names = hdmi_pll_parents, .num_parents = ARRAY_SIZE(hdmi_pll_parents), + .flags = CLK_IGNORE_UNUSED, }; int msm_hdmi_pll_8960_init(struct platform_device *pdev) diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c index ac9e4cd..8b4e300 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_cfg.c @@ -272,7 +272,7 @@ const struct mdp5_cfg_hw msm8x16_config = { .count = 2, .base = { 0x14000, 0x16000 }, .caps = MDP_PIPE_CAP_HFLIP | MDP_PIPE_CAP_VFLIP | - MDP_PIPE_CAP_SCALE | MDP_PIPE_CAP_DECIMATION, + MDP_PIPE_CAP_DECIMATION, }, .pipe_dma = { .count = 1, @@ -282,7 +282,7 @@ const struct mdp5_cfg_hw msm8x16_config = { .lm = { .count = 2, /* LM0 and LM3 */ .base = { 0x44000, 0x47000 }, - .nb_stages = 5, + .nb_stages = 8, .max_width = 2048, .max_height = 0xFFFF, }, diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c index fa2be7c..c205c36 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c @@ -223,12 +223,7 @@ static void blend_setup(struct drm_crtc *crtc) plane_cnt++; } - /* - * If there is no base layer, enable border color. - * Although it's not possbile in current blend logic, - * put it here as a reminder. - */ - if (!pstates[STAGE_BASE] && plane_cnt) { + if (!pstates[STAGE_BASE]) { ctl_blend_flags |= MDP5_CTL_BLEND_OP_FLAG_BORDER_OUT; DBG("Border Color is enabled"); } @@ -365,6 +360,15 @@ static int pstate_cmp(const void *a, const void *b) return pa->state->zpos - pb->state->zpos; } +/* is there a helper for this? */ +static bool is_fullscreen(struct drm_crtc_state *cstate, + struct drm_plane_state *pstate) +{ + return (pstate->crtc_x <= 0) && (pstate->crtc_y <= 0) && + ((pstate->crtc_x + pstate->crtc_w) >= cstate->mode.hdisplay) && + ((pstate->crtc_y + pstate->crtc_h) >= cstate->mode.vdisplay); +} + static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, struct drm_crtc_state *state) { @@ -375,21 +379,11 @@ static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, struct plane_state pstates[STAGE_MAX + 1]; const struct mdp5_cfg_hw *hw_cfg; const struct drm_plane_state *pstate; - int cnt = 0, i; + int cnt = 0, base = 0, i; DBG("%s: check", mdp5_crtc->name); - /* verify that there are not too many planes attached to crtc - * and that we don't have conflicting mixer stages: - */ - hw_cfg = mdp5_cfg_get_hw_config(mdp5_kms->cfg); drm_atomic_crtc_state_for_each_plane_state(plane, pstate, state) { - if (cnt >= (hw_cfg->lm.nb_stages)) { - dev_err(dev->dev, "too many planes!\n"); - return -EINVAL; - } - - pstates[cnt].plane = plane; pstates[cnt].state = to_mdp5_plane_state(pstate); @@ -399,8 +393,24 @@ static int mdp5_crtc_atomic_check(struct drm_crtc *crtc, /* assign a stage based on sorted zpos property */ sort(pstates, cnt, sizeof(pstates[0]), pstate_cmp, NULL); + /* if the bottom-most layer is not fullscreen, we need to use + * it for solid-color: + */ + if ((cnt > 0) && !is_fullscreen(state, &pstates[0].state->base)) + base++; + + /* verify that there are not too many planes attached to crtc + * and that we don't have conflicting mixer stages: + */ + hw_cfg = mdp5_cfg_get_hw_config(mdp5_kms->cfg); + + if ((cnt + base) >= hw_cfg->lm.nb_stages) { + dev_err(dev->dev, "too many planes!\n"); + return -EINVAL; + } + for (i = 0; i < cnt; i++) { - pstates[i].state->stage = STAGE_BASE + i; + pstates[i].state->stage = STAGE_BASE + i + base; DBG("%s: assign pipe %s on stage=%d", mdp5_crtc->name, pipe2name(mdp5_plane_pipe(pstates[i].plane)), pstates[i].state->stage); diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c index 951c002..83bf997 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c @@ -292,8 +292,7 @@ static int mdp5_plane_atomic_check(struct drm_plane *plane, format = to_mdp_format(msm_framebuffer_format(state->fb)); if (MDP_FORMAT_IS_YUV(format) && !pipe_supports_yuv(mdp5_plane->caps)) { - dev_err(plane->dev->dev, - "Pipe doesn't support YUV\n"); + DBG("Pipe doesn't support YUV\n"); return -EINVAL; } @@ -301,8 +300,7 @@ static int mdp5_plane_atomic_check(struct drm_plane *plane, if (!(mdp5_plane->caps & MDP_PIPE_CAP_SCALE) && (((state->src_w >> 16) != state->crtc_w) || ((state->src_h >> 16) != state->crtc_h))) { - dev_err(plane->dev->dev, - "Pipe doesn't support scaling (%dx%d -> %dx%d)\n", + DBG("Pipe doesn't support scaling (%dx%d -> %dx%d)\n", state->src_w >> 16, state->src_h >> 16, state->crtc_w, state->crtc_h); @@ -313,8 +311,7 @@ static int mdp5_plane_atomic_check(struct drm_plane *plane, vflip = !!(state->rotation & DRM_REFLECT_Y); if ((vflip && !(mdp5_plane->caps & MDP_PIPE_CAP_VFLIP)) || (hflip && !(mdp5_plane->caps & MDP_PIPE_CAP_HFLIP))) { - dev_err(plane->dev->dev, - "Pipe doesn't support flip\n"); + DBG("Pipe doesn't support flip\n"); return -EINVAL; } diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index fb5c0b0..46568fc 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -228,7 +228,7 @@ static int msm_drm_uninit(struct device *dev) flush_workqueue(priv->atomic_wq); destroy_workqueue(priv->atomic_wq); - if (kms) + if (kms && kms->funcs) kms->funcs->destroy(kms); if (gpu) { diff --git a/drivers/gpu/drm/msm/msm_gem_shrinker.c b/drivers/gpu/drm/msm/msm_gem_shrinker.c index 283d284..192b2d3 100644 --- a/drivers/gpu/drm/msm/msm_gem_shrinker.c +++ b/drivers/gpu/drm/msm/msm_gem_shrinker.c @@ -163,6 +163,9 @@ void msm_gem_shrinker_init(struct drm_device *dev) void msm_gem_shrinker_cleanup(struct drm_device *dev) { struct msm_drm_private *priv = dev->dev_private; - WARN_ON(unregister_vmap_purge_notifier(&priv->vmap_notifier)); - unregister_shrinker(&priv->shrinker); + + if (priv->shrinker.nr_deferred) { + WARN_ON(unregister_vmap_purge_notifier(&priv->vmap_notifier)); + unregister_shrinker(&priv->shrinker); + } } diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index dc57b62..193573d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -240,7 +240,8 @@ static bool nouveau_pr3_present(struct pci_dev *pdev) if (!parent_adev) return false; - return acpi_has_method(parent_adev->handle, "_PR3"); + return parent_adev->power.flags.power_resources && + acpi_has_method(parent_adev->handle, "_PR3"); } static void nouveau_dsm_pci_probe(struct pci_dev *pdev, acpi_handle *dhandle_out, diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 103fc86..a0d4a05 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1396,9 +1396,7 @@ static void cayman_pcie_gart_fini(struct radeon_device *rdev) void cayman_cp_int_cntl_setup(struct radeon_device *rdev, int ring, u32 cp_int_cntl) { - u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3; - - WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3)); + WREG32(SRBM_GFX_CNTL, RINGID(ring)); WREG32(CP_INT_CNTL, cp_int_cntl); } diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index e18839d..27affbd 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -931,7 +931,7 @@ static void radeon_connector_unregister(struct drm_connector *connector) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); - if (radeon_connector->ddc_bus->has_aux) { + if (radeon_connector->ddc_bus && radeon_connector->ddc_bus->has_aux) { drm_dp_aux_unregister(&radeon_connector->ddc_bus->aux); radeon_connector->ddc_bus->has_aux = false; } diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index eb92aef..621af06 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -104,6 +104,14 @@ static const char radeon_family_name[][16] = { "LAST", }; +#if defined(CONFIG_VGA_SWITCHEROO) +bool radeon_has_atpx_dgpu_power_cntl(void); +bool radeon_is_atpx_hybrid(void); +#else +static inline bool radeon_has_atpx_dgpu_power_cntl(void) { return false; } +static inline bool radeon_is_atpx_hybrid(void) { return false; } +#endif + #define RADEON_PX_QUIRK_DISABLE_PX (1 << 0) #define RADEON_PX_QUIRK_LONG_WAKEUP (1 << 1) @@ -160,6 +168,11 @@ static void radeon_device_handle_px_quirks(struct radeon_device *rdev) if (rdev->px_quirk_flags & RADEON_PX_QUIRK_DISABLE_PX) rdev->flags &= ~RADEON_IS_PX; + + /* disable PX is the system doesn't support dGPU power control or hybrid gfx */ + if (!radeon_is_atpx_hybrid() && + !radeon_has_atpx_dgpu_power_cntl()) + rdev->flags &= ~RADEON_IS_PX; } /** diff --git a/drivers/gpu/drm/radeon/radeon_dp_auxch.c b/drivers/gpu/drm/radeon/radeon_dp_auxch.c index 2d46564..474a8a18 100644 --- a/drivers/gpu/drm/radeon/radeon_dp_auxch.c +++ b/drivers/gpu/drm/radeon/radeon_dp_auxch.c @@ -105,7 +105,7 @@ radeon_dp_aux_transfer_native(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg tmp &= AUX_HPD_SEL(0x7); tmp |= AUX_HPD_SEL(chan->rec.hpd); - tmp |= AUX_EN | AUX_LS_READ_EN | AUX_HPD_DISCON(0x1); + tmp |= AUX_EN | AUX_LS_READ_EN; WREG32(AUX_CONTROL + aux_offset[instance], tmp); diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index 89bdf20..c4993452 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2999,6 +2999,49 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, int i; struct si_dpm_quirk *p = si_dpm_quirk_list; + /* limit all SI kickers */ + if (rdev->family == CHIP_PITCAIRN) { + if ((rdev->pdev->revision == 0x81) || + (rdev->pdev->device == 0x6810) || + (rdev->pdev->device == 0x6811) || + (rdev->pdev->device == 0x6816) || + (rdev->pdev->device == 0x6817) || + (rdev->pdev->device == 0x6806)) + max_mclk = 120000; + } else if (rdev->family == CHIP_VERDE) { + if ((rdev->pdev->revision == 0x81) || + (rdev->pdev->revision == 0x83) || + (rdev->pdev->revision == 0x87) || + (rdev->pdev->device == 0x6820) || + (rdev->pdev->device == 0x6821) || + (rdev->pdev->device == 0x6822) || + (rdev->pdev->device == 0x6823) || + (rdev->pdev->device == 0x682A) || + (rdev->pdev->device == 0x682B)) { + max_sclk = 75000; + max_mclk = 80000; + } + } else if (rdev->family == CHIP_OLAND) { + if ((rdev->pdev->revision == 0xC7) || + (rdev->pdev->revision == 0x80) || + (rdev->pdev->revision == 0x81) || + (rdev->pdev->revision == 0x83) || + (rdev->pdev->device == 0x6604) || + (rdev->pdev->device == 0x6605)) { + max_sclk = 75000; + max_mclk = 80000; + } + } else if (rdev->family == CHIP_HAINAN) { + if ((rdev->pdev->revision == 0x81) || + (rdev->pdev->revision == 0x83) || + (rdev->pdev->revision == 0xC3) || + (rdev->pdev->device == 0x6664) || + (rdev->pdev->device == 0x6665) || + (rdev->pdev->device == 0x6667)) { + max_sclk = 75000; + max_mclk = 80000; + } + } /* Apply dpm quirks */ while (p && p->chip_device != 0) { if (rdev->pdev->vendor == p->chip_vendor && @@ -3011,16 +3054,6 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, } ++p; } - /* limit mclk on all R7 370 parts for stability */ - if (rdev->pdev->device == 0x6811 && - rdev->pdev->revision == 0x81) - max_mclk = 120000; - /* limit sclk/mclk on Jet parts for stability */ - if (rdev->pdev->device == 0x6665 && - rdev->pdev->revision == 0xc3) { - max_sclk = 75000; - max_mclk = 80000; - } if (rps->vce_active) { rps->evclk = rdev->pm.dpm.vce_states[rdev->pm.dpm.vce_level].evclk; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index bd9c3bb..392c7e6 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -231,8 +231,16 @@ static int rcar_du_atomic_check(struct drm_device *dev, struct rcar_du_device *rcdu = dev->dev_private; int ret; - ret = drm_atomic_helper_check(dev, state); - if (ret < 0) + ret = drm_atomic_helper_check_modeset(dev, state); + if (ret) + return ret; + + ret = drm_atomic_normalize_zpos(dev, state); + if (ret) + return ret; + + ret = drm_atomic_helper_check_planes(dev, state); + if (ret) return ret; if (rcar_du_has(rcdu, RCAR_DU_FEATURE_VSP1_SOURCE)) diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c index 2784919..9df3085 100644 --- a/drivers/gpu/drm/sti/sti_drv.c +++ b/drivers/gpu/drm/sti/sti_drv.c @@ -195,6 +195,26 @@ static void sti_atomic_work(struct work_struct *work) sti_atomic_complete(private, private->commit.state); } +static int sti_atomic_check(struct drm_device *dev, + struct drm_atomic_state *state) +{ + int ret; + + ret = drm_atomic_helper_check_modeset(dev, state); + if (ret) + return ret; + + ret = drm_atomic_normalize_zpos(dev, state); + if (ret) + return ret; + + ret = drm_atomic_helper_check_planes(dev, state); + if (ret) + return ret; + + return ret; +} + static int sti_atomic_commit(struct drm_device *drm, struct drm_atomic_state *state, bool nonblock) { @@ -248,7 +268,7 @@ static void sti_output_poll_changed(struct drm_device *ddev) static const struct drm_mode_config_funcs sti_mode_config_funcs = { .fb_create = drm_fb_cma_create, .output_poll_changed = sti_output_poll_changed, - .atomic_check = drm_atomic_helper_check, + .atomic_check = sti_atomic_check, .atomic_commit = sti_atomic_commit, }; diff --git a/drivers/gpu/drm/udl/udl_main.c b/drivers/gpu/drm/udl/udl_main.c index 29f0207..873f010 100644 --- a/drivers/gpu/drm/udl/udl_main.c +++ b/drivers/gpu/drm/udl/udl_main.c @@ -98,17 +98,23 @@ success: static int udl_select_std_channel(struct udl_device *udl) { int ret; - u8 set_def_chn[] = {0x57, 0xCD, 0xDC, 0xA7, - 0x1C, 0x88, 0x5E, 0x15, - 0x60, 0xFE, 0xC6, 0x97, - 0x16, 0x3D, 0x47, 0xF2}; + static const u8 set_def_chn[] = {0x57, 0xCD, 0xDC, 0xA7, + 0x1C, 0x88, 0x5E, 0x15, + 0x60, 0xFE, 0xC6, 0x97, + 0x16, 0x3D, 0x47, 0xF2}; + void *sendbuf; + + sendbuf = kmemdup(set_def_chn, sizeof(set_def_chn), GFP_KERNEL); + if (!sendbuf) + return -ENOMEM; ret = usb_control_msg(udl->udev, usb_sndctrlpipe(udl->udev, 0), NR_USB_REQUEST_CHANNEL, (USB_DIR_OUT | USB_TYPE_VENDOR), 0, 0, - set_def_chn, sizeof(set_def_chn), + sendbuf, sizeof(set_def_chn), USB_CTRL_SET_TIMEOUT); + kfree(sendbuf); return ret < 0 ? ret : 0; } diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index 7cf3678..5804870 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -338,8 +338,7 @@ static void vgdev_atomic_commit_tail(struct drm_atomic_state *state) drm_atomic_helper_commit_modeset_disables(dev, state); drm_atomic_helper_commit_modeset_enables(dev, state); - drm_atomic_helper_commit_planes(dev, state, - DRM_PLANE_COMMIT_ACTIVE_ONLY); + drm_atomic_helper_commit_planes(dev, state, 0); drm_atomic_helper_commit_hw_done(state); diff --git a/drivers/gpu/ipu-v3/ipu-image-convert.c b/drivers/gpu/ipu-v3/ipu-image-convert.c index 2ba7d43..805b6fa 100644 --- a/drivers/gpu/ipu-v3/ipu-image-convert.c +++ b/drivers/gpu/ipu-v3/ipu-image-convert.c @@ -1617,7 +1617,7 @@ ipu_image_convert(struct ipu_soc *ipu, enum ipu_ic_task ic_task, ctx = ipu_image_convert_prepare(ipu, ic_task, in, out, rot_mode, complete, complete_context); if (IS_ERR(ctx)) - return ERR_PTR(PTR_ERR(ctx)); + return ERR_CAST(ctx); run = kzalloc(sizeof(*run), GFP_KERNEL); if (!run) { diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 6cfb5ca..575aa65 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -179,6 +179,7 @@ #define USB_DEVICE_ID_ATEN_4PORTKVM 0x2205 #define USB_DEVICE_ID_ATEN_4PORTKVMC 0x2208 #define USB_DEVICE_ID_ATEN_CS682 0x2213 +#define USB_DEVICE_ID_ATEN_CS692 0x8021 #define USB_VENDOR_ID_ATMEL 0x03eb #define USB_DEVICE_ID_ATMEL_MULTITOUCH 0x211c diff --git a/drivers/hid/hid-sensor-custom.c b/drivers/hid/hid-sensor-custom.c index 5614fee..3a84aaf 100644 --- a/drivers/hid/hid-sensor-custom.c +++ b/drivers/hid/hid-sensor-custom.c @@ -292,11 +292,11 @@ static ssize_t show_value(struct device *dev, struct device_attribute *attr, bool input = false; int value = 0; - if (sscanf(attr->attr.name, "feature-%d-%x-%s", &index, &usage, + if (sscanf(attr->attr.name, "feature-%x-%x-%s", &index, &usage, name) == 3) { feature = true; field_index = index + sensor_inst->input_field_count; - } else if (sscanf(attr->attr.name, "input-%d-%x-%s", &index, &usage, + } else if (sscanf(attr->attr.name, "input-%x-%x-%s", &index, &usage, name) == 3) { input = true; field_index = index; @@ -398,7 +398,7 @@ static ssize_t store_value(struct device *dev, struct device_attribute *attr, char name[HID_CUSTOM_NAME_LENGTH]; int value; - if (sscanf(attr->attr.name, "feature-%d-%x-%s", &index, &usage, + if (sscanf(attr->attr.name, "feature-%x-%x-%s", &index, &usage, name) == 3) { field_index = index + sensor_inst->input_field_count; } else diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c index 658a607..c5c3d61 100644 --- a/drivers/hid/hid-sensor-hub.c +++ b/drivers/hid/hid-sensor-hub.c @@ -251,6 +251,9 @@ int sensor_hub_get_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, struct sensor_hub_data *data = hid_get_drvdata(hsdev->hdev); int report_size; int ret = 0; + u8 *val_ptr; + int buffer_index = 0; + int i; mutex_lock(&data->mutex); report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT); @@ -271,7 +274,17 @@ int sensor_hub_get_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, goto done_proc; } ret = min(report_size, buffer_size); - memcpy(buffer, report->field[field_index]->value, ret); + + val_ptr = (u8 *)report->field[field_index]->value; + for (i = 0; i < report->field[field_index]->report_count; ++i) { + if (buffer_index >= ret) + break; + + memcpy(&((u8 *)buffer)[buffer_index], val_ptr, + report->field[field_index]->report_size / 8); + val_ptr += sizeof(__s32); + buffer_index += (report->field[field_index]->report_size / 8); + } done_proc: mutex_unlock(&data->mutex); diff --git a/drivers/hid/intel-ish-hid/ipc/ipc.c b/drivers/hid/intel-ish-hid/ipc/ipc.c index e2517c1..0c9ac4d 100644 --- a/drivers/hid/intel-ish-hid/ipc/ipc.c +++ b/drivers/hid/intel-ish-hid/ipc/ipc.c @@ -638,6 +638,58 @@ eoi: } /** + * ish_disable_dma() - disable dma communication between host and ISHFW + * @dev: ishtp device pointer + * + * Clear the dma enable bit and wait for dma inactive. + * + * Return: 0 for success else error code. + */ +static int ish_disable_dma(struct ishtp_device *dev) +{ + unsigned int dma_delay; + + /* Clear the dma enable bit */ + ish_reg_write(dev, IPC_REG_ISH_RMP2, 0); + + /* wait for dma inactive */ + for (dma_delay = 0; dma_delay < MAX_DMA_DELAY && + _ish_read_fw_sts_reg(dev) & (IPC_ISH_IN_DMA); + dma_delay += 5) + mdelay(5); + + if (dma_delay >= MAX_DMA_DELAY) { + dev_err(dev->devc, + "Wait for DMA inactive timeout\n"); + return -EBUSY; + } + + return 0; +} + +/** + * ish_wakeup() - wakeup ishfw from waiting-for-host state + * @dev: ishtp device pointer + * + * Set the dma enable bit and send a void message to FW, + * it wil wakeup FW from waiting-for-host state. + */ +static void ish_wakeup(struct ishtp_device *dev) +{ + /* Set dma enable bit */ + ish_reg_write(dev, IPC_REG_ISH_RMP2, IPC_RMP2_DMA_ENABLED); + + /* + * Send 0 IPC message so that ISH FW wakes up if it was already + * asleep. + */ + ish_reg_write(dev, IPC_REG_HOST2ISH_DRBL, IPC_DRBL_BUSY_BIT); + + /* Flush writes to doorbell and REMAP2 */ + ish_reg_read(dev, IPC_REG_ISH_HOST_FWSTS); +} + +/** * _ish_hw_reset() - HW reset * @dev: ishtp device pointer * @@ -649,7 +701,6 @@ static int _ish_hw_reset(struct ishtp_device *dev) { struct pci_dev *pdev = dev->pdev; int rv; - unsigned int dma_delay; uint16_t csr; if (!pdev) @@ -664,15 +715,8 @@ static int _ish_hw_reset(struct ishtp_device *dev) return -EINVAL; } - /* Now trigger reset to FW */ - ish_reg_write(dev, IPC_REG_ISH_RMP2, 0); - - for (dma_delay = 0; dma_delay < MAX_DMA_DELAY && - _ish_read_fw_sts_reg(dev) & (IPC_ISH_IN_DMA); - dma_delay += 5) - mdelay(5); - - if (dma_delay >= MAX_DMA_DELAY) { + /* Disable dma communication between FW and host */ + if (ish_disable_dma(dev)) { dev_err(&pdev->dev, "Can't reset - stuck with DMA in-progress\n"); return -EBUSY; @@ -690,16 +734,8 @@ static int _ish_hw_reset(struct ishtp_device *dev) csr |= PCI_D0; pci_write_config_word(pdev, pdev->pm_cap + PCI_PM_CTRL, csr); - ish_reg_write(dev, IPC_REG_ISH_RMP2, IPC_RMP2_DMA_ENABLED); - - /* - * Send 0 IPC message so that ISH FW wakes up if it was already - * asleep - */ - ish_reg_write(dev, IPC_REG_HOST2ISH_DRBL, IPC_DRBL_BUSY_BIT); - - /* Flush writes to doorbell and REMAP2 */ - ish_reg_read(dev, IPC_REG_ISH_HOST_FWSTS); + /* Now we can enable ISH DMA operation and wakeup ISHFW */ + ish_wakeup(dev); return 0; } @@ -758,16 +794,9 @@ static int _ish_ipc_reset(struct ishtp_device *dev) int ish_hw_start(struct ishtp_device *dev) { ish_set_host_rdy(dev); - /* After that we can enable ISH DMA operation */ - ish_reg_write(dev, IPC_REG_ISH_RMP2, IPC_RMP2_DMA_ENABLED); - /* - * Send 0 IPC message so that ISH FW wakes up if it was already - * asleep - */ - ish_reg_write(dev, IPC_REG_HOST2ISH_DRBL, IPC_DRBL_BUSY_BIT); - /* Flush write to doorbell */ - ish_reg_read(dev, IPC_REG_ISH_HOST_FWSTS); + /* After that we can enable ISH DMA operation and wakeup ISHFW */ + ish_wakeup(dev); set_host_ready(dev); @@ -876,6 +905,21 @@ struct ishtp_device *ish_dev_init(struct pci_dev *pdev) */ void ish_device_disable(struct ishtp_device *dev) { + struct pci_dev *pdev = dev->pdev; + + if (!pdev) + return; + + /* Disable dma communication between FW and host */ + if (ish_disable_dma(dev)) { + dev_err(&pdev->dev, + "Can't reset - stuck with DMA in-progress\n"); + return; + } + + /* Put ISH to D3hot state for power saving */ + pci_set_power_state(pdev, PCI_D3hot); + dev->dev_state = ISHTP_DEV_DISABLED; ish_clr_host_rdy(dev); } diff --git a/drivers/hid/intel-ish-hid/ipc/pci-ish.c b/drivers/hid/intel-ish-hid/ipc/pci-ish.c index 42f0bee..20d647d 100644 --- a/drivers/hid/intel-ish-hid/ipc/pci-ish.c +++ b/drivers/hid/intel-ish-hid/ipc/pci-ish.c @@ -146,7 +146,7 @@ static int ish_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pdev->dev_flags |= PCI_DEV_FLAGS_NO_D3; /* request and enable interrupt */ - ret = request_irq(pdev->irq, ish_irq_handler, IRQF_NO_SUSPEND, + ret = request_irq(pdev->irq, ish_irq_handler, IRQF_SHARED, KBUILD_MODNAME, dev); if (ret) { dev_err(&pdev->dev, "ISH: request IRQ failure (%d)\n", @@ -202,6 +202,7 @@ static void ish_remove(struct pci_dev *pdev) kfree(ishtp_dev); } +#ifdef CONFIG_PM static struct device *ish_resume_device; /** @@ -293,7 +294,6 @@ static int ish_resume(struct device *device) return 0; } -#ifdef CONFIG_PM static const struct dev_pm_ops ish_pm_ops = { .suspend = ish_suspend, .resume = ish_resume, @@ -301,7 +301,7 @@ static const struct dev_pm_ops ish_pm_ops = { #define ISHTP_ISH_PM_OPS (&ish_pm_ops) #else #define ISHTP_ISH_PM_OPS NULL -#endif +#endif /* CONFIG_PM */ static struct pci_driver ish_driver = { .name = KBUILD_MODNAME, diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 354d49e..e6cfd32 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -63,6 +63,7 @@ static const struct hid_blacklist { { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVM, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_4PORTKVMC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS682, HID_QUIRK_NOGET }, + { USB_VENDOR_ID_ATEN, USB_DEVICE_ID_ATEN_CS692, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FIGHTERSTICK, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_COMBATSTICK, HID_QUIRK_NOGET }, { USB_VENDOR_ID_CH, USB_DEVICE_ID_CH_FLIGHT_SIM_ECLIPSE_YOKE, HID_QUIRK_NOGET }, diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index a259e18..0276d2e 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -961,7 +961,7 @@ int vmbus_device_register(struct hv_device *child_device_obj) { int ret = 0; - dev_set_name(&child_device_obj->device, "vmbus-%pUl", + dev_set_name(&child_device_obj->device, "%pUl", child_device_obj->channel->offermsg.offer.if_instance.b); child_device_obj->device.bus = &hv_bus; diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index adae684..a74c075 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -536,8 +536,10 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata, hwdev->groups = devm_kcalloc(dev, ngroups, sizeof(*groups), GFP_KERNEL); - if (!hwdev->groups) - return ERR_PTR(-ENOMEM); + if (!hwdev->groups) { + err = -ENOMEM; + goto free_hwmon; + } attrs = __hwmon_create_attrs(dev, drvdata, chip); if (IS_ERR(attrs)) { diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 1704fc8..b432b64 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -2179,6 +2179,7 @@ int i2c_register_driver(struct module *owner, struct i2c_driver *driver) /* add the driver to the list of i2c drivers in the driver core */ driver->driver.owner = owner; driver->driver.bus = &i2c_bus_type; + INIT_LIST_HEAD(&driver->clients); /* When registration returns, the driver core * will have called probe() for all matching-but-unbound devices. @@ -2189,7 +2190,6 @@ int i2c_register_driver(struct module *owner, struct i2c_driver *driver) pr_debug("driver [%s] registered\n", driver->driver.name); - INIT_LIST_HEAD(&driver->clients); /* Walk the adapters that are already present */ i2c_for_each_dev(driver, __process_new_driver); diff --git a/drivers/iio/accel/st_accel_core.c b/drivers/iio/accel/st_accel_core.c index da3fb06..ce69048 100644 --- a/drivers/iio/accel/st_accel_core.c +++ b/drivers/iio/accel/st_accel_core.c @@ -743,8 +743,8 @@ static int st_accel_read_raw(struct iio_dev *indio_dev, return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: - *val = 0; - *val2 = adata->current_fullscale->gain; + *val = adata->current_fullscale->gain / 1000000; + *val2 = adata->current_fullscale->gain % 1000000; return IIO_VAL_INT_PLUS_MICRO; case IIO_CHAN_INFO_SAMP_FREQ: *val = adata->odr; @@ -763,9 +763,13 @@ static int st_accel_write_raw(struct iio_dev *indio_dev, int err; switch (mask) { - case IIO_CHAN_INFO_SCALE: - err = st_sensors_set_fullscale_by_gain(indio_dev, val2); + case IIO_CHAN_INFO_SCALE: { + int gain; + + gain = val * 1000000 + val2; + err = st_sensors_set_fullscale_by_gain(indio_dev, gain); break; + } case IIO_CHAN_INFO_SAMP_FREQ: if (val2) return -EINVAL; diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c index dc33c1d..b5beea53 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c @@ -30,26 +30,26 @@ static struct { u32 usage_id; int unit; /* 0 for default others from HID sensor spec */ int scale_val0; /* scale, whole number */ - int scale_val1; /* scale, fraction in micros */ + int scale_val1; /* scale, fraction in nanos */ } unit_conversion[] = { - {HID_USAGE_SENSOR_ACCEL_3D, 0, 9, 806650}, + {HID_USAGE_SENSOR_ACCEL_3D, 0, 9, 806650000}, {HID_USAGE_SENSOR_ACCEL_3D, HID_USAGE_SENSOR_UNITS_METERS_PER_SEC_SQRD, 1, 0}, {HID_USAGE_SENSOR_ACCEL_3D, - HID_USAGE_SENSOR_UNITS_G, 9, 806650}, + HID_USAGE_SENSOR_UNITS_G, 9, 806650000}, - {HID_USAGE_SENSOR_GYRO_3D, 0, 0, 17453}, + {HID_USAGE_SENSOR_GYRO_3D, 0, 0, 17453293}, {HID_USAGE_SENSOR_GYRO_3D, HID_USAGE_SENSOR_UNITS_RADIANS_PER_SECOND, 1, 0}, {HID_USAGE_SENSOR_GYRO_3D, - HID_USAGE_SENSOR_UNITS_DEGREES_PER_SECOND, 0, 17453}, + HID_USAGE_SENSOR_UNITS_DEGREES_PER_SECOND, 0, 17453293}, - {HID_USAGE_SENSOR_COMPASS_3D, 0, 0, 1000}, + {HID_USAGE_SENSOR_COMPASS_3D, 0, 0, 1000000}, {HID_USAGE_SENSOR_COMPASS_3D, HID_USAGE_SENSOR_UNITS_GAUSS, 1, 0}, - {HID_USAGE_SENSOR_INCLINOMETER_3D, 0, 0, 17453}, + {HID_USAGE_SENSOR_INCLINOMETER_3D, 0, 0, 17453293}, {HID_USAGE_SENSOR_INCLINOMETER_3D, - HID_USAGE_SENSOR_UNITS_DEGREES, 0, 17453}, + HID_USAGE_SENSOR_UNITS_DEGREES, 0, 17453293}, {HID_USAGE_SENSOR_INCLINOMETER_3D, HID_USAGE_SENSOR_UNITS_RADIANS, 1, 0}, @@ -57,7 +57,7 @@ static struct { {HID_USAGE_SENSOR_ALS, HID_USAGE_SENSOR_UNITS_LUX, 1, 0}, {HID_USAGE_SENSOR_PRESSURE, 0, 100, 0}, - {HID_USAGE_SENSOR_PRESSURE, HID_USAGE_SENSOR_UNITS_PASCAL, 0, 1000}, + {HID_USAGE_SENSOR_PRESSURE, HID_USAGE_SENSOR_UNITS_PASCAL, 0, 1000000}, }; static int pow_10(unsigned power) @@ -266,15 +266,15 @@ EXPORT_SYMBOL(hid_sensor_write_raw_hyst_value); /* * This fuction applies the unit exponent to the scale. * For example: - * 9.806650 ->exp:2-> val0[980]val1[665000] - * 9.000806 ->exp:2-> val0[900]val1[80600] - * 0.174535 ->exp:2-> val0[17]val1[453500] - * 1.001745 ->exp:0-> val0[1]val1[1745] - * 1.001745 ->exp:2-> val0[100]val1[174500] - * 1.001745 ->exp:4-> val0[10017]val1[450000] - * 9.806650 ->exp:-2-> val0[0]val1[98066] + * 9.806650000 ->exp:2-> val0[980]val1[665000000] + * 9.000806000 ->exp:2-> val0[900]val1[80600000] + * 0.174535293 ->exp:2-> val0[17]val1[453529300] + * 1.001745329 ->exp:0-> val0[1]val1[1745329] + * 1.001745329 ->exp:2-> val0[100]val1[174532900] + * 1.001745329 ->exp:4-> val0[10017]val1[453290000] + * 9.806650000 ->exp:-2-> val0[0]val1[98066500] */ -static void adjust_exponent_micro(int *val0, int *val1, int scale0, +static void adjust_exponent_nano(int *val0, int *val1, int scale0, int scale1, int exp) { int i; @@ -285,32 +285,32 @@ static void adjust_exponent_micro(int *val0, int *val1, int scale0, if (exp > 0) { *val0 = scale0 * pow_10(exp); res = 0; - if (exp > 6) { + if (exp > 9) { *val1 = 0; return; } for (i = 0; i < exp; ++i) { - x = scale1 / pow_10(5 - i); + x = scale1 / pow_10(8 - i); res += (pow_10(exp - 1 - i) * x); - scale1 = scale1 % pow_10(5 - i); + scale1 = scale1 % pow_10(8 - i); } *val0 += res; *val1 = scale1 * pow_10(exp); } else if (exp < 0) { exp = abs(exp); - if (exp > 6) { + if (exp > 9) { *val0 = *val1 = 0; return; } *val0 = scale0 / pow_10(exp); rem = scale0 % pow_10(exp); res = 0; - for (i = 0; i < (6 - exp); ++i) { - x = scale1 / pow_10(5 - i); - res += (pow_10(5 - exp - i) * x); - scale1 = scale1 % pow_10(5 - i); + for (i = 0; i < (9 - exp); ++i) { + x = scale1 / pow_10(8 - i); + res += (pow_10(8 - exp - i) * x); + scale1 = scale1 % pow_10(8 - i); } - *val1 = rem * pow_10(6 - exp) + res; + *val1 = rem * pow_10(9 - exp) + res; } else { *val0 = scale0; *val1 = scale1; @@ -332,14 +332,14 @@ int hid_sensor_format_scale(u32 usage_id, unit_conversion[i].unit == attr_info->units) { exp = hid_sensor_convert_exponent( attr_info->unit_expo); - adjust_exponent_micro(val0, val1, + adjust_exponent_nano(val0, val1, unit_conversion[i].scale_val0, unit_conversion[i].scale_val1, exp); break; } } - return IIO_VAL_INT_PLUS_MICRO; + return IIO_VAL_INT_PLUS_NANO; } EXPORT_SYMBOL(hid_sensor_format_scale); diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index 285a64a..975a1f1 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -612,7 +612,7 @@ EXPORT_SYMBOL(st_sensors_sysfs_sampling_frequency_avail); ssize_t st_sensors_sysfs_scale_avail(struct device *dev, struct device_attribute *attr, char *buf) { - int i, len = 0; + int i, len = 0, q, r; struct iio_dev *indio_dev = dev_get_drvdata(dev); struct st_sensor_data *sdata = iio_priv(indio_dev); @@ -621,8 +621,10 @@ ssize_t st_sensors_sysfs_scale_avail(struct device *dev, if (sdata->sensor_settings->fs.fs_avl[i].num == 0) break; - len += scnprintf(buf + len, PAGE_SIZE - len, "0.%06u ", - sdata->sensor_settings->fs.fs_avl[i].gain); + q = sdata->sensor_settings->fs.fs_avl[i].gain / 1000000; + r = sdata->sensor_settings->fs.fs_avl[i].gain % 1000000; + + len += scnprintf(buf + len, PAGE_SIZE - len, "%u.%06u ", q, r); } mutex_unlock(&indio_dev->mlock); buf[len - 1] = '\n'; diff --git a/drivers/iio/orientation/hid-sensor-rotation.c b/drivers/iio/orientation/hid-sensor-rotation.c index b98b9d9..a97e802c 100644 --- a/drivers/iio/orientation/hid-sensor-rotation.c +++ b/drivers/iio/orientation/hid-sensor-rotation.c @@ -335,6 +335,7 @@ static struct platform_driver hid_dev_rot_platform_driver = { .id_table = hid_dev_rot_ids, .driver = { .name = KBUILD_MODNAME, + .pm = &hid_sensor_pm_ops, }, .probe = hid_dev_rot_probe, .remove = hid_dev_rot_remove, diff --git a/drivers/iio/temperature/maxim_thermocouple.c b/drivers/iio/temperature/maxim_thermocouple.c index 066161a..f962f31 100644 --- a/drivers/iio/temperature/maxim_thermocouple.c +++ b/drivers/iio/temperature/maxim_thermocouple.c @@ -136,6 +136,8 @@ static int maxim_thermocouple_read(struct maxim_thermocouple_data *data, ret = spi_read(data->spi, (void *)&buf32, storage_bytes); *val = be32_to_cpu(buf32); break; + default: + ret = -EINVAL; } if (ret) diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 36bf50e..89a6b05 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -1094,47 +1094,47 @@ static void cma_save_ib_info(struct sockaddr *src_addr, } } -static void cma_save_ip4_info(struct sockaddr *src_addr, - struct sockaddr *dst_addr, +static void cma_save_ip4_info(struct sockaddr_in *src_addr, + struct sockaddr_in *dst_addr, struct cma_hdr *hdr, __be16 local_port) { - struct sockaddr_in *ip4; - if (src_addr) { - ip4 = (struct sockaddr_in *)src_addr; - ip4->sin_family = AF_INET; - ip4->sin_addr.s_addr = hdr->dst_addr.ip4.addr; - ip4->sin_port = local_port; + *src_addr = (struct sockaddr_in) { + .sin_family = AF_INET, + .sin_addr.s_addr = hdr->dst_addr.ip4.addr, + .sin_port = local_port, + }; } if (dst_addr) { - ip4 = (struct sockaddr_in *)dst_addr; - ip4->sin_family = AF_INET; - ip4->sin_addr.s_addr = hdr->src_addr.ip4.addr; - ip4->sin_port = hdr->port; + *dst_addr = (struct sockaddr_in) { + .sin_family = AF_INET, + .sin_addr.s_addr = hdr->src_addr.ip4.addr, + .sin_port = hdr->port, + }; } } -static void cma_save_ip6_info(struct sockaddr *src_addr, - struct sockaddr *dst_addr, +static void cma_save_ip6_info(struct sockaddr_in6 *src_addr, + struct sockaddr_in6 *dst_addr, struct cma_hdr *hdr, __be16 local_port) { - struct sockaddr_in6 *ip6; - if (src_addr) { - ip6 = (struct sockaddr_in6 *)src_addr; - ip6->sin6_family = AF_INET6; - ip6->sin6_addr = hdr->dst_addr.ip6; - ip6->sin6_port = local_port; + *src_addr = (struct sockaddr_in6) { + .sin6_family = AF_INET6, + .sin6_addr = hdr->dst_addr.ip6, + .sin6_port = local_port, + }; } if (dst_addr) { - ip6 = (struct sockaddr_in6 *)dst_addr; - ip6->sin6_family = AF_INET6; - ip6->sin6_addr = hdr->src_addr.ip6; - ip6->sin6_port = hdr->port; + *dst_addr = (struct sockaddr_in6) { + .sin6_family = AF_INET6, + .sin6_addr = hdr->src_addr.ip6, + .sin6_port = hdr->port, + }; } } @@ -1159,10 +1159,12 @@ static int cma_save_ip_info(struct sockaddr *src_addr, switch (cma_get_ip_ver(hdr)) { case 4: - cma_save_ip4_info(src_addr, dst_addr, hdr, port); + cma_save_ip4_info((struct sockaddr_in *)src_addr, + (struct sockaddr_in *)dst_addr, hdr, port); break; case 6: - cma_save_ip6_info(src_addr, dst_addr, hdr, port); + cma_save_ip6_info((struct sockaddr_in6 *)src_addr, + (struct sockaddr_in6 *)dst_addr, hdr, port); break; default: return -EAFNOSUPPORT; diff --git a/drivers/input/mouse/focaltech.c b/drivers/input/mouse/focaltech.c index 54eceb3..a7d3968 100644 --- a/drivers/input/mouse/focaltech.c +++ b/drivers/input/mouse/focaltech.c @@ -43,7 +43,7 @@ int focaltech_detect(struct psmouse *psmouse, bool set_properties) if (set_properties) { psmouse->vendor = "FocalTech"; - psmouse->name = "FocalTech Touchpad"; + psmouse->name = "Touchpad"; } return 0; @@ -146,8 +146,8 @@ static void focaltech_report_state(struct psmouse *psmouse) } input_mt_report_pointer_emulation(dev, true); - input_report_key(psmouse->dev, BTN_LEFT, state->pressed); - input_sync(psmouse->dev); + input_report_key(dev, BTN_LEFT, state->pressed); + input_sync(dev); } static void focaltech_process_touch_packet(struct psmouse *psmouse, diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index f4bfb4b..073246c 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -877,6 +877,13 @@ static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "P34"), }, }, + { + /* Schenker XMG C504 - Elantech touchpad */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "XMG"), + DMI_MATCH(DMI_PRODUCT_NAME, "C504"), + }, + }, { } }; diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 15c01c3..e6f9b2d 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -2636,17 +2636,26 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) /* And we're up. Go go go! */ of_iommu_set_ops(dev->of_node, &arm_smmu_ops); #ifdef CONFIG_PCI - pci_request_acs(); - ret = bus_set_iommu(&pci_bus_type, &arm_smmu_ops); - if (ret) - return ret; + if (pci_bus_type.iommu_ops != &arm_smmu_ops) { + pci_request_acs(); + ret = bus_set_iommu(&pci_bus_type, &arm_smmu_ops); + if (ret) + return ret; + } #endif #ifdef CONFIG_ARM_AMBA - ret = bus_set_iommu(&amba_bustype, &arm_smmu_ops); - if (ret) - return ret; + if (amba_bustype.iommu_ops != &arm_smmu_ops) { + ret = bus_set_iommu(&amba_bustype, &arm_smmu_ops); + if (ret) + return ret; + } #endif - return bus_set_iommu(&platform_bus_type, &arm_smmu_ops); + if (platform_bus_type.iommu_ops != &arm_smmu_ops) { + ret = bus_set_iommu(&platform_bus_type, &arm_smmu_ops); + if (ret) + return ret; + } + return 0; } static int arm_smmu_device_remove(struct platform_device *pdev) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index c841eb7..8f72814 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -324,8 +324,10 @@ struct arm_smmu_master_cfg { #define INVALID_SMENDX -1 #define __fwspec_cfg(fw) ((struct arm_smmu_master_cfg *)fw->iommu_priv) #define fwspec_smmu(fw) (__fwspec_cfg(fw)->smmu) +#define fwspec_smendx(fw, i) \ + (i >= fw->num_ids ? INVALID_SMENDX : __fwspec_cfg(fw)->smendx[i]) #define for_each_cfg_sme(fw, i, idx) \ - for (i = 0; idx = __fwspec_cfg(fw)->smendx[i], i < fw->num_ids; ++i) + for (i = 0; idx = fwspec_smendx(fw, i), i < fw->num_ids; ++i) struct arm_smmu_device { struct device *dev; @@ -1228,6 +1230,16 @@ static int arm_smmu_attach_dev(struct iommu_domain *domain, struct device *dev) return -ENXIO; } + /* + * FIXME: The arch/arm DMA API code tries to attach devices to its own + * domains between of_xlate() and add_device() - we have no way to cope + * with that, so until ARM gets converted to rely on groups and default + * domains, just say no (but more politely than by dereferencing NULL). + * This should be at least a WARN_ON once that's sorted. + */ + if (!fwspec->iommu_priv) + return -ENODEV; + smmu = fwspec_smmu(fwspec); /* Ensure that the domain is finalised */ ret = arm_smmu_init_domain_context(domain, smmu); @@ -1390,7 +1402,7 @@ static int arm_smmu_add_device(struct device *dev) fwspec = dev->iommu_fwspec; if (ret) goto out_free; - } else if (fwspec) { + } else if (fwspec && fwspec->ops == &arm_smmu_ops) { smmu = arm_smmu_get_by_node(to_of_node(fwspec->iommu_fwnode)); } else { return -ENODEV; diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index a4407ea..3965e73 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -1711,6 +1711,7 @@ static void disable_dmar_iommu(struct intel_iommu *iommu) if (!iommu->domains || !iommu->domain_ids) return; +again: spin_lock_irqsave(&device_domain_lock, flags); list_for_each_entry_safe(info, tmp, &device_domain_list, global) { struct dmar_domain *domain; @@ -1723,10 +1724,19 @@ static void disable_dmar_iommu(struct intel_iommu *iommu) domain = info->domain; - dmar_remove_one_dev_info(domain, info->dev); + __dmar_remove_one_dev_info(info); - if (!domain_type_is_vm_or_si(domain)) + if (!domain_type_is_vm_or_si(domain)) { + /* + * The domain_exit() function can't be called under + * device_domain_lock, as it takes this lock itself. + * So release the lock here and re-run the loop + * afterwards. + */ + spin_unlock_irqrestore(&device_domain_lock, flags); domain_exit(domain); + goto again; + } } spin_unlock_irqrestore(&device_domain_lock, flags); diff --git a/drivers/md/md.c b/drivers/md/md.c index eac84d8..2089d46 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -3887,10 +3887,10 @@ array_state_show(struct mddev *mddev, char *page) st = read_auto; break; case 0: - if (mddev->in_sync) - st = clean; - else if (test_bit(MD_CHANGE_PENDING, &mddev->flags)) + if (test_bit(MD_CHANGE_PENDING, &mddev->flags)) st = write_pending; + else if (mddev->in_sync) + st = clean; else if (mddev->safemode) st = active_idle; else @@ -8144,14 +8144,14 @@ void md_do_sync(struct md_thread *thread) if (!test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) && !test_bit(MD_RECOVERY_INTR, &mddev->recovery) && - mddev->curr_resync > 2) { + mddev->curr_resync > 3) { mddev->curr_resync_completed = mddev->curr_resync; sysfs_notify(&mddev->kobj, NULL, "sync_completed"); } mddev->pers->sync_request(mddev, max_sectors, &skipped); if (!test_bit(MD_RECOVERY_CHECK, &mddev->recovery) && - mddev->curr_resync > 2) { + mddev->curr_resync > 3) { if (test_bit(MD_RECOVERY_SYNC, &mddev->recovery)) { if (test_bit(MD_RECOVERY_INTR, &mddev->recovery)) { if (mddev->curr_resync >= mddev->recovery_cp) { diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 1961d82..29e2df5 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -403,11 +403,14 @@ static void raid1_end_write_request(struct bio *bio) struct bio *to_put = NULL; int mirror = find_bio_disk(r1_bio, bio); struct md_rdev *rdev = conf->mirrors[mirror].rdev; + bool discard_error; + + discard_error = bio->bi_error && bio_op(bio) == REQ_OP_DISCARD; /* * 'one mirror IO has finished' event handler: */ - if (bio->bi_error) { + if (bio->bi_error && !discard_error) { set_bit(WriteErrorSeen, &rdev->flags); if (!test_and_set_bit(WantReplacement, &rdev->flags)) set_bit(MD_RECOVERY_NEEDED, & @@ -444,7 +447,7 @@ static void raid1_end_write_request(struct bio *bio) /* Maybe we can clear some bad blocks. */ if (is_badblock(rdev, r1_bio->sector, r1_bio->sectors, - &first_bad, &bad_sectors)) { + &first_bad, &bad_sectors) && !discard_error) { r1_bio->bios[mirror] = IO_MADE_GOOD; set_bit(R1BIO_MadeGood, &r1_bio->state); } @@ -2294,17 +2297,23 @@ static void handle_read_error(struct r1conf *conf, struct r1bio *r1_bio) * This is all done synchronously while the array is * frozen */ + + bio = r1_bio->bios[r1_bio->read_disk]; + bdevname(bio->bi_bdev, b); + bio_put(bio); + r1_bio->bios[r1_bio->read_disk] = NULL; + if (mddev->ro == 0) { freeze_array(conf, 1); fix_read_error(conf, r1_bio->read_disk, r1_bio->sector, r1_bio->sectors); unfreeze_array(conf); - } else - md_error(mddev, conf->mirrors[r1_bio->read_disk].rdev); + } else { + r1_bio->bios[r1_bio->read_disk] = IO_BLOCKED; + } + rdev_dec_pending(conf->mirrors[r1_bio->read_disk].rdev, conf->mddev); - bio = r1_bio->bios[r1_bio->read_disk]; - bdevname(bio->bi_bdev, b); read_more: disk = read_balance(conf, r1_bio, &max_sectors); if (disk == -1) { @@ -2315,11 +2324,6 @@ read_more: } else { const unsigned long do_sync = r1_bio->master_bio->bi_opf & REQ_SYNC; - if (bio) { - r1_bio->bios[r1_bio->read_disk] = - mddev->ro ? IO_BLOCKED : NULL; - bio_put(bio); - } r1_bio->read_disk = disk; bio = bio_clone_mddev(r1_bio->master_bio, GFP_NOIO, mddev); bio_trim(bio, r1_bio->sector - bio->bi_iter.bi_sector, diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index be1a9fc..39fddda 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -447,6 +447,9 @@ static void raid10_end_write_request(struct bio *bio) struct r10conf *conf = r10_bio->mddev->private; int slot, repl; struct md_rdev *rdev = NULL; + bool discard_error; + + discard_error = bio->bi_error && bio_op(bio) == REQ_OP_DISCARD; dev = find_bio_disk(conf, r10_bio, bio, &slot, &repl); @@ -460,7 +463,7 @@ static void raid10_end_write_request(struct bio *bio) /* * this branch is our 'one mirror IO has finished' event handler: */ - if (bio->bi_error) { + if (bio->bi_error && !discard_error) { if (repl) /* Never record new bad blocks to replacement, * just fail it. @@ -503,7 +506,7 @@ static void raid10_end_write_request(struct bio *bio) if (is_badblock(rdev, r10_bio->devs[slot].addr, r10_bio->sectors, - &first_bad, &bad_sectors)) { + &first_bad, &bad_sectors) && !discard_error) { bio_put(bio); if (repl) r10_bio->devs[slot].repl_bio = IO_MADE_GOOD; diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index 1b1ab4a..a227a9f 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -1087,7 +1087,7 @@ static int r5l_recovery_log(struct r5l_log *log) * 1's seq + 10 and let superblock points to meta2. The same recovery will * not think meta 3 is a valid meta, because its seq doesn't match */ - if (ctx.seq > log->last_cp_seq + 1) { + if (ctx.seq > log->last_cp_seq) { int ret; ret = r5l_log_write_empty_meta_block(log, ctx.pos, ctx.seq + 10); @@ -1096,6 +1096,8 @@ static int r5l_recovery_log(struct r5l_log *log) log->seq = ctx.seq + 11; log->log_start = r5l_ring_add(log, ctx.pos, BLOCK_SECTORS); r5l_write_super(log, ctx.pos); + log->last_checkpoint = ctx.pos; + log->next_checkpoint = ctx.pos; } else { log->log_start = ctx.pos; log->seq = ctx.seq; @@ -1154,6 +1156,7 @@ create: if (create_super) { log->last_cp_seq = prandom_u32(); cp = 0; + r5l_log_write_empty_meta_block(log, cp, log->last_cp_seq); /* * Make sure super points to correct address. Log might have * data very soon. If super hasn't correct log tail address, @@ -1168,6 +1171,7 @@ create: if (log->max_free_space > RECLAIM_MAX_FREE_SPACE) log->max_free_space = RECLAIM_MAX_FREE_SPACE; log->last_checkpoint = cp; + log->next_checkpoint = cp; __free_page(page); diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig index 0122255..b71b747 100644 --- a/drivers/media/dvb-frontends/Kconfig +++ b/drivers/media/dvb-frontends/Kconfig @@ -513,6 +513,11 @@ config DVB_AS102_FE depends on DVB_CORE default DVB_AS102 +config DVB_GP8PSK_FE + tristate + depends on DVB_CORE + default DVB_USB_GP8PSK + comment "DVB-C (cable) frontends" depends on DVB_CORE diff --git a/drivers/media/dvb-frontends/Makefile b/drivers/media/dvb-frontends/Makefile index e90165a..93921a4 100644 --- a/drivers/media/dvb-frontends/Makefile +++ b/drivers/media/dvb-frontends/Makefile @@ -121,6 +121,7 @@ obj-$(CONFIG_DVB_RTL2832_SDR) += rtl2832_sdr.o obj-$(CONFIG_DVB_M88RS2000) += m88rs2000.o obj-$(CONFIG_DVB_AF9033) += af9033.o obj-$(CONFIG_DVB_AS102_FE) += as102_fe.o +obj-$(CONFIG_DVB_GP8PSK_FE) += gp8psk-fe.o obj-$(CONFIG_DVB_TC90522) += tc90522.o obj-$(CONFIG_DVB_HORUS3A) += horus3a.o obj-$(CONFIG_DVB_ASCOT2E) += ascot2e.o diff --git a/drivers/media/usb/dvb-usb/gp8psk-fe.c b/drivers/media/dvb-frontends/gp8psk-fe.c index db6eb79..93f59bf 100644 --- a/drivers/media/usb/dvb-usb/gp8psk-fe.c +++ b/drivers/media/dvb-frontends/gp8psk-fe.c @@ -1,5 +1,5 @@ -/* DVB USB compliant Linux driver for the - * - GENPIX 8pks/qpsk/DCII USB2.0 DVB-S module +/* + * Frontend driver for the GENPIX 8pks/qpsk/DCII USB2.0 DVB-S module * * Copyright (C) 2006,2007 Alan Nisota (alannisota@gmail.com) * Copyright (C) 2006,2007 Genpix Electronics (genpix@genpix-electronics.com) @@ -8,17 +8,31 @@ * * This module is based off the vp7045 and vp702x modules * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation, version 2. - * - * see Documentation/dvb/README.dvb-usb for more information + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation, version 2. */ -#include "gp8psk.h" + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +#include "gp8psk-fe.h" +#include "dvb_frontend.h" + +static int debug; +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off)."); + +#define dprintk(fmt, arg...) do { \ + if (debug) \ + printk(KERN_DEBUG pr_fmt("%s: " fmt), \ + __func__, ##arg); \ +} while (0) struct gp8psk_fe_state { struct dvb_frontend fe; - struct dvb_usb_device *d; + void *priv; + const struct gp8psk_fe_ops *ops; + bool is_rev1; u8 lock; u16 snr; unsigned long next_status_check; @@ -29,22 +43,24 @@ static int gp8psk_tuned_to_DCII(struct dvb_frontend *fe) { struct gp8psk_fe_state *st = fe->demodulator_priv; u8 status; - gp8psk_usb_in_op(st->d, GET_8PSK_CONFIG, 0, 0, &status, 1); + + st->ops->in(st->priv, GET_8PSK_CONFIG, 0, 0, &status, 1); return status & bmDCtuned; } static int gp8psk_set_tuner_mode(struct dvb_frontend *fe, int mode) { - struct gp8psk_fe_state *state = fe->demodulator_priv; - return gp8psk_usb_out_op(state->d, SET_8PSK_CONFIG, mode, 0, NULL, 0); + struct gp8psk_fe_state *st = fe->demodulator_priv; + + return st->ops->out(st->priv, SET_8PSK_CONFIG, mode, 0, NULL, 0); } static int gp8psk_fe_update_status(struct gp8psk_fe_state *st) { u8 buf[6]; if (time_after(jiffies,st->next_status_check)) { - gp8psk_usb_in_op(st->d, GET_SIGNAL_LOCK, 0,0,&st->lock,1); - gp8psk_usb_in_op(st->d, GET_SIGNAL_STRENGTH, 0,0,buf,6); + st->ops->in(st->priv, GET_SIGNAL_LOCK, 0, 0, &st->lock, 1); + st->ops->in(st->priv, GET_SIGNAL_STRENGTH, 0, 0, buf, 6); st->snr = (buf[1]) << 8 | buf[0]; st->next_status_check = jiffies + (st->status_check_interval*HZ)/1000; } @@ -116,13 +132,12 @@ static int gp8psk_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_front static int gp8psk_fe_set_frontend(struct dvb_frontend *fe) { - struct gp8psk_fe_state *state = fe->demodulator_priv; + struct gp8psk_fe_state *st = fe->demodulator_priv; struct dtv_frontend_properties *c = &fe->dtv_property_cache; u8 cmd[10]; u32 freq = c->frequency * 1000; - int gp_product_id = le16_to_cpu(state->d->udev->descriptor.idProduct); - deb_fe("%s()\n", __func__); + dprintk("%s()\n", __func__); cmd[4] = freq & 0xff; cmd[5] = (freq >> 8) & 0xff; @@ -136,21 +151,21 @@ static int gp8psk_fe_set_frontend(struct dvb_frontend *fe) switch (c->delivery_system) { case SYS_DVBS: if (c->modulation != QPSK) { - deb_fe("%s: unsupported modulation selected (%d)\n", + dprintk("%s: unsupported modulation selected (%d)\n", __func__, c->modulation); return -EOPNOTSUPP; } c->fec_inner = FEC_AUTO; break; case SYS_DVBS2: /* kept for backwards compatibility */ - deb_fe("%s: DVB-S2 delivery system selected\n", __func__); + dprintk("%s: DVB-S2 delivery system selected\n", __func__); break; case SYS_TURBO: - deb_fe("%s: Turbo-FEC delivery system selected\n", __func__); + dprintk("%s: Turbo-FEC delivery system selected\n", __func__); break; default: - deb_fe("%s: unsupported delivery system selected (%d)\n", + dprintk("%s: unsupported delivery system selected (%d)\n", __func__, c->delivery_system); return -EOPNOTSUPP; } @@ -161,9 +176,9 @@ static int gp8psk_fe_set_frontend(struct dvb_frontend *fe) cmd[3] = (c->symbol_rate >> 24) & 0xff; switch (c->modulation) { case QPSK: - if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM) + if (st->is_rev1) if (gp8psk_tuned_to_DCII(fe)) - gp8psk_bcm4500_reload(state->d); + st->ops->reload(st->priv); switch (c->fec_inner) { case FEC_1_2: cmd[9] = 0; break; @@ -207,18 +222,18 @@ static int gp8psk_fe_set_frontend(struct dvb_frontend *fe) cmd[9] = 0; break; default: /* Unknown modulation */ - deb_fe("%s: unsupported modulation selected (%d)\n", + dprintk("%s: unsupported modulation selected (%d)\n", __func__, c->modulation); return -EOPNOTSUPP; } - if (gp_product_id == USB_PID_GENPIX_8PSK_REV_1_WARM) + if (st->is_rev1) gp8psk_set_tuner_mode(fe, 0); - gp8psk_usb_out_op(state->d, TUNE_8PSK, 0, 0, cmd, 10); + st->ops->out(st->priv, TUNE_8PSK, 0, 0, cmd, 10); - state->lock = 0; - state->next_status_check = jiffies; - state->status_check_interval = 200; + st->lock = 0; + st->next_status_check = jiffies; + st->status_check_interval = 200; return 0; } @@ -228,9 +243,9 @@ static int gp8psk_fe_send_diseqc_msg (struct dvb_frontend* fe, { struct gp8psk_fe_state *st = fe->demodulator_priv; - deb_fe("%s\n",__func__); + dprintk("%s\n", __func__); - if (gp8psk_usb_out_op(st->d,SEND_DISEQC_COMMAND, m->msg[0], 0, + if (st->ops->out(st->priv, SEND_DISEQC_COMMAND, m->msg[0], 0, m->msg, m->msg_len)) { return -EINVAL; } @@ -243,12 +258,12 @@ static int gp8psk_fe_send_diseqc_burst(struct dvb_frontend *fe, struct gp8psk_fe_state *st = fe->demodulator_priv; u8 cmd; - deb_fe("%s\n",__func__); + dprintk("%s\n", __func__); /* These commands are certainly wrong */ cmd = (burst == SEC_MINI_A) ? 0x00 : 0x01; - if (gp8psk_usb_out_op(st->d,SEND_DISEQC_COMMAND, cmd, 0, + if (st->ops->out(st->priv, SEND_DISEQC_COMMAND, cmd, 0, &cmd, 0)) { return -EINVAL; } @@ -258,10 +273,10 @@ static int gp8psk_fe_send_diseqc_burst(struct dvb_frontend *fe, static int gp8psk_fe_set_tone(struct dvb_frontend *fe, enum fe_sec_tone_mode tone) { - struct gp8psk_fe_state* state = fe->demodulator_priv; + struct gp8psk_fe_state *st = fe->demodulator_priv; - if (gp8psk_usb_out_op(state->d,SET_22KHZ_TONE, - (tone == SEC_TONE_ON), 0, NULL, 0)) { + if (st->ops->out(st->priv, SET_22KHZ_TONE, + (tone == SEC_TONE_ON), 0, NULL, 0)) { return -EINVAL; } return 0; @@ -270,9 +285,9 @@ static int gp8psk_fe_set_tone(struct dvb_frontend *fe, static int gp8psk_fe_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage) { - struct gp8psk_fe_state* state = fe->demodulator_priv; + struct gp8psk_fe_state *st = fe->demodulator_priv; - if (gp8psk_usb_out_op(state->d,SET_LNB_VOLTAGE, + if (st->ops->out(st->priv, SET_LNB_VOLTAGE, voltage == SEC_VOLTAGE_18, 0, NULL, 0)) { return -EINVAL; } @@ -281,52 +296,60 @@ static int gp8psk_fe_set_voltage(struct dvb_frontend *fe, static int gp8psk_fe_enable_high_lnb_voltage(struct dvb_frontend* fe, long onoff) { - struct gp8psk_fe_state* state = fe->demodulator_priv; - return gp8psk_usb_out_op(state->d, USE_EXTRA_VOLT, onoff, 0,NULL,0); + struct gp8psk_fe_state *st = fe->demodulator_priv; + + return st->ops->out(st->priv, USE_EXTRA_VOLT, onoff, 0, NULL, 0); } static int gp8psk_fe_send_legacy_dish_cmd (struct dvb_frontend* fe, unsigned long sw_cmd) { - struct gp8psk_fe_state* state = fe->demodulator_priv; + struct gp8psk_fe_state *st = fe->demodulator_priv; u8 cmd = sw_cmd & 0x7f; - if (gp8psk_usb_out_op(state->d,SET_DN_SWITCH, cmd, 0, - NULL, 0)) { + if (st->ops->out(st->priv, SET_DN_SWITCH, cmd, 0, NULL, 0)) return -EINVAL; - } - if (gp8psk_usb_out_op(state->d,SET_LNB_VOLTAGE, !!(sw_cmd & 0x80), - 0, NULL, 0)) { + + if (st->ops->out(st->priv, SET_LNB_VOLTAGE, !!(sw_cmd & 0x80), + 0, NULL, 0)) return -EINVAL; - } return 0; } static void gp8psk_fe_release(struct dvb_frontend* fe) { - struct gp8psk_fe_state *state = fe->demodulator_priv; - kfree(state); + struct gp8psk_fe_state *st = fe->demodulator_priv; + + kfree(st); } static struct dvb_frontend_ops gp8psk_fe_ops; -struct dvb_frontend * gp8psk_fe_attach(struct dvb_usb_device *d) +struct dvb_frontend *gp8psk_fe_attach(const struct gp8psk_fe_ops *ops, + void *priv, bool is_rev1) { - struct gp8psk_fe_state *s = kzalloc(sizeof(struct gp8psk_fe_state), GFP_KERNEL); - if (s == NULL) - goto error; - - s->d = d; - memcpy(&s->fe.ops, &gp8psk_fe_ops, sizeof(struct dvb_frontend_ops)); - s->fe.demodulator_priv = s; - - goto success; -error: - return NULL; -success: - return &s->fe; -} + struct gp8psk_fe_state *st; + if (!ops || !ops->in || !ops->out || !ops->reload) { + pr_err("Error! gp8psk-fe ops not defined.\n"); + return NULL; + } + + st = kzalloc(sizeof(struct gp8psk_fe_state), GFP_KERNEL); + if (!st) + return NULL; + + memcpy(&st->fe.ops, &gp8psk_fe_ops, sizeof(struct dvb_frontend_ops)); + st->fe.demodulator_priv = st; + st->ops = ops; + st->priv = priv; + st->is_rev1 = is_rev1; + + pr_info("Frontend %sattached\n", is_rev1 ? "revision 1 " : ""); + + return &st->fe; +} +EXPORT_SYMBOL_GPL(gp8psk_fe_attach); static struct dvb_frontend_ops gp8psk_fe_ops = { .delsys = { SYS_DVBS }, @@ -370,3 +393,8 @@ static struct dvb_frontend_ops gp8psk_fe_ops = { .dishnetwork_send_legacy_command = gp8psk_fe_send_legacy_dish_cmd, .enable_high_lnb_voltage = gp8psk_fe_enable_high_lnb_voltage }; + +MODULE_AUTHOR("Alan Nisota <alannisota@gamil.com>"); +MODULE_DESCRIPTION("Frontend Driver for Genpix DVB-S"); +MODULE_VERSION("1.1"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb-frontends/gp8psk-fe.h b/drivers/media/dvb-frontends/gp8psk-fe.h new file mode 100644 index 0000000..6c7944b --- /dev/null +++ b/drivers/media/dvb-frontends/gp8psk-fe.h @@ -0,0 +1,82 @@ +/* + * gp8psk_fe driver + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef GP8PSK_FE_H +#define GP8PSK_FE_H + +#include <linux/types.h> + +/* gp8psk commands */ + +#define GET_8PSK_CONFIG 0x80 /* in */ +#define SET_8PSK_CONFIG 0x81 +#define I2C_WRITE 0x83 +#define I2C_READ 0x84 +#define ARM_TRANSFER 0x85 +#define TUNE_8PSK 0x86 +#define GET_SIGNAL_STRENGTH 0x87 /* in */ +#define LOAD_BCM4500 0x88 +#define BOOT_8PSK 0x89 /* in */ +#define START_INTERSIL 0x8A /* in */ +#define SET_LNB_VOLTAGE 0x8B +#define SET_22KHZ_TONE 0x8C +#define SEND_DISEQC_COMMAND 0x8D +#define SET_DVB_MODE 0x8E +#define SET_DN_SWITCH 0x8F +#define GET_SIGNAL_LOCK 0x90 /* in */ +#define GET_FW_VERS 0x92 +#define GET_SERIAL_NUMBER 0x93 /* in */ +#define USE_EXTRA_VOLT 0x94 +#define GET_FPGA_VERS 0x95 +#define CW3K_INIT 0x9d + +/* PSK_configuration bits */ +#define bm8pskStarted 0x01 +#define bm8pskFW_Loaded 0x02 +#define bmIntersilOn 0x04 +#define bmDVBmode 0x08 +#define bm22kHz 0x10 +#define bmSEL18V 0x20 +#define bmDCtuned 0x40 +#define bmArmed 0x80 + +/* Satellite modulation modes */ +#define ADV_MOD_DVB_QPSK 0 /* DVB-S QPSK */ +#define ADV_MOD_TURBO_QPSK 1 /* Turbo QPSK */ +#define ADV_MOD_TURBO_8PSK 2 /* Turbo 8PSK (also used for Trellis 8PSK) */ +#define ADV_MOD_TURBO_16QAM 3 /* Turbo 16QAM (also used for Trellis 8PSK) */ + +#define ADV_MOD_DCII_C_QPSK 4 /* Digicipher II Combo */ +#define ADV_MOD_DCII_I_QPSK 5 /* Digicipher II I-stream */ +#define ADV_MOD_DCII_Q_QPSK 6 /* Digicipher II Q-stream */ +#define ADV_MOD_DCII_C_OQPSK 7 /* Digicipher II offset QPSK */ +#define ADV_MOD_DSS_QPSK 8 /* DSS (DIRECTV) QPSK */ +#define ADV_MOD_DVB_BPSK 9 /* DVB-S BPSK */ + +/* firmware revision id's */ +#define GP8PSK_FW_REV1 0x020604 +#define GP8PSK_FW_REV2 0x020704 +#define GP8PSK_FW_VERS(_fw_vers) \ + ((_fw_vers)[2]<<0x10 | (_fw_vers)[1]<<0x08 | (_fw_vers)[0]) + +struct gp8psk_fe_ops { + int (*in)(void *priv, u8 req, u16 value, u16 index, u8 *b, int blen); + int (*out)(void *priv, u8 req, u16 value, u16 index, u8 *b, int blen); + int (*reload)(void *priv); +}; + +struct dvb_frontend *gp8psk_fe_attach(const struct gp8psk_fe_ops *ops, + void *priv, bool is_rev1); + +#endif diff --git a/drivers/media/i2c/ir-kbd-i2c.c b/drivers/media/i2c/ir-kbd-i2c.c index f95a6bc..cede397 100644 --- a/drivers/media/i2c/ir-kbd-i2c.c +++ b/drivers/media/i2c/ir-kbd-i2c.c @@ -118,7 +118,7 @@ static int get_key_haup_common(struct IR_i2c *ir, enum rc_type *protocol, *protocol = RC_TYPE_RC6_MCE; dev &= 0x7f; dprintk(1, "ir hauppauge (rc6-mce): t%d vendor=%d dev=%d code=%d\n", - toggle, vendor, dev, code); + *ptoggle, vendor, dev, code); } else { *ptoggle = 0; *protocol = RC_TYPE_RC6_6A_32; diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c index d4bdba6..52bc42d 100644 --- a/drivers/media/usb/b2c2/flexcop-usb.c +++ b/drivers/media/usb/b2c2/flexcop-usb.c @@ -73,23 +73,34 @@ static int flexcop_usb_readwrite_dw(struct flexcop_device *fc, u16 wRegOffsPCI, u8 request_type = (read ? USB_DIR_IN : USB_DIR_OUT) | USB_TYPE_VENDOR; u8 wAddress = B2C2_FLEX_PCIOFFSET_TO_INTERNALADDR(wRegOffsPCI) | (read ? 0x80 : 0); + int ret; + + mutex_lock(&fc_usb->data_mutex); + if (!read) + memcpy(fc_usb->data, val, sizeof(*val)); - int len = usb_control_msg(fc_usb->udev, + ret = usb_control_msg(fc_usb->udev, read ? B2C2_USB_CTRL_PIPE_IN : B2C2_USB_CTRL_PIPE_OUT, request, request_type, /* 0xc0 read or 0x40 write */ wAddress, 0, - val, + fc_usb->data, sizeof(u32), B2C2_WAIT_FOR_OPERATION_RDW * HZ); - if (len != sizeof(u32)) { + if (ret != sizeof(u32)) { err("error while %s dword from %d (%d).", read ? "reading" : "writing", wAddress, wRegOffsPCI); - return -EIO; + if (ret >= 0) + ret = -EIO; } - return 0; + + if (read && ret >= 0) + memcpy(val, fc_usb->data, sizeof(*val)); + mutex_unlock(&fc_usb->data_mutex); + + return ret; } /* * DKT 010817 - add support for V8 memory read/write and flash update @@ -100,9 +111,14 @@ static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb, { u8 request_type = USB_TYPE_VENDOR; u16 wIndex; - int nWaitTime, pipe, len; + int nWaitTime, pipe, ret; wIndex = page << 8; + if (buflen > sizeof(fc_usb->data)) { + err("Buffer size bigger than max URB control message\n"); + return -EIO; + } + switch (req) { case B2C2_USB_READ_V8_MEM: nWaitTime = B2C2_WAIT_FOR_OPERATION_V8READ; @@ -127,17 +143,32 @@ static int flexcop_usb_v8_memory_req(struct flexcop_usb *fc_usb, deb_v8("v8mem: %02x %02x %04x %04x, len: %d\n", request_type, req, wAddress, wIndex, buflen); - len = usb_control_msg(fc_usb->udev, pipe, + mutex_lock(&fc_usb->data_mutex); + + if ((request_type & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) + memcpy(fc_usb->data, pbBuffer, buflen); + + ret = usb_control_msg(fc_usb->udev, pipe, req, request_type, wAddress, wIndex, - pbBuffer, + fc_usb->data, buflen, nWaitTime * HZ); + if (ret != buflen) + ret = -EIO; + + if (ret >= 0) { + ret = 0; + if ((request_type & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) + memcpy(pbBuffer, fc_usb->data, buflen); + } - debug_dump(pbBuffer, len, deb_v8); - return len == buflen ? 0 : -EIO; + mutex_unlock(&fc_usb->data_mutex); + + debug_dump(pbBuffer, ret, deb_v8); + return ret; } #define bytes_left_to_read_on_page(paddr,buflen) \ @@ -196,29 +227,6 @@ static int flexcop_usb_get_mac_addr(struct flexcop_device *fc, int extended) fc->dvb_adapter.proposed_mac, 6); } -#if 0 -static int flexcop_usb_utility_req(struct flexcop_usb *fc_usb, int set, - flexcop_usb_utility_function_t func, u8 extra, u16 wIndex, - u16 buflen, u8 *pvBuffer) -{ - u16 wValue; - u8 request_type = (set ? USB_DIR_OUT : USB_DIR_IN) | USB_TYPE_VENDOR; - int nWaitTime = 2, - pipe = set ? B2C2_USB_CTRL_PIPE_OUT : B2C2_USB_CTRL_PIPE_IN, len; - wValue = (func << 8) | extra; - - len = usb_control_msg(fc_usb->udev,pipe, - B2C2_USB_UTILITY, - request_type, - wValue, - wIndex, - pvBuffer, - buflen, - nWaitTime * HZ); - return len == buflen ? 0 : -EIO; -} -#endif - /* usb i2c stuff */ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c, flexcop_usb_request_t req, flexcop_usb_i2c_function_t func, @@ -226,9 +234,14 @@ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c, { struct flexcop_usb *fc_usb = i2c->fc->bus_specific; u16 wValue, wIndex; - int nWaitTime,pipe,len; + int nWaitTime, pipe, ret; u8 request_type = USB_TYPE_VENDOR; + if (buflen > sizeof(fc_usb->data)) { + err("Buffer size bigger than max URB control message\n"); + return -EIO; + } + switch (func) { case USB_FUNC_I2C_WRITE: case USB_FUNC_I2C_MULTIWRITE: @@ -257,15 +270,32 @@ static int flexcop_usb_i2c_req(struct flexcop_i2c_adapter *i2c, wValue & 0xff, wValue >> 8, wIndex & 0xff, wIndex >> 8); - len = usb_control_msg(fc_usb->udev,pipe, + mutex_lock(&fc_usb->data_mutex); + + if ((request_type & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT) + memcpy(fc_usb->data, buf, buflen); + + ret = usb_control_msg(fc_usb->udev, pipe, req, request_type, wValue, wIndex, - buf, + fc_usb->data, buflen, nWaitTime * HZ); - return len == buflen ? 0 : -EREMOTEIO; + + if (ret != buflen) + ret = -EIO; + + if (ret >= 0) { + ret = 0; + if ((request_type & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) + memcpy(buf, fc_usb->data, buflen); + } + + mutex_unlock(&fc_usb->data_mutex); + + return 0; } /* actual bus specific access functions, @@ -516,6 +546,7 @@ static int flexcop_usb_probe(struct usb_interface *intf, /* general flexcop init */ fc_usb = fc->bus_specific; fc_usb->fc_dev = fc; + mutex_init(&fc_usb->data_mutex); fc->read_ibi_reg = flexcop_usb_read_ibi_reg; fc->write_ibi_reg = flexcop_usb_write_ibi_reg; diff --git a/drivers/media/usb/b2c2/flexcop-usb.h b/drivers/media/usb/b2c2/flexcop-usb.h index 92529a9..25ad431 100644 --- a/drivers/media/usb/b2c2/flexcop-usb.h +++ b/drivers/media/usb/b2c2/flexcop-usb.h @@ -29,6 +29,10 @@ struct flexcop_usb { u8 tmp_buffer[1023+190]; int tmp_buffer_length; + + /* for URB control messages */ + u8 data[80]; + struct mutex data_mutex; }; #if 0 diff --git a/drivers/media/usb/cpia2/cpia2_usb.c b/drivers/media/usb/cpia2/cpia2_usb.c index 13620cd..e9100a2 100644 --- a/drivers/media/usb/cpia2/cpia2_usb.c +++ b/drivers/media/usb/cpia2/cpia2_usb.c @@ -545,18 +545,30 @@ static void free_sbufs(struct camera_data *cam) static int write_packet(struct usb_device *udev, u8 request, u8 * registers, u16 start, size_t size) { + unsigned char *buf; + int ret; + if (!registers || size <= 0) return -EINVAL; - return usb_control_msg(udev, + buf = kmalloc(size, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + memcpy(buf, registers, size); + + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), request, USB_TYPE_VENDOR | USB_RECIP_DEVICE, start, /* value */ 0, /* index */ - registers, /* buffer */ + buf, /* buffer */ size, HZ); + + kfree(buf); + return ret; } /**************************************************************************** @@ -567,18 +579,32 @@ static int write_packet(struct usb_device *udev, static int read_packet(struct usb_device *udev, u8 request, u8 * registers, u16 start, size_t size) { + unsigned char *buf; + int ret; + if (!registers || size <= 0) return -EINVAL; - return usb_control_msg(udev, + buf = kmalloc(size, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), request, USB_DIR_IN|USB_TYPE_VENDOR|USB_RECIP_DEVICE, start, /* value */ 0, /* index */ - registers, /* buffer */ + buf, /* buffer */ size, HZ); + + if (ret >= 0) + memcpy(registers, buf, size); + + kfree(buf); + + return ret; } /****************************************************************************** diff --git a/drivers/media/usb/dvb-usb/Makefile b/drivers/media/usb/dvb-usb/Makefile index 2a7b5a9..3b3f32b 100644 --- a/drivers/media/usb/dvb-usb/Makefile +++ b/drivers/media/usb/dvb-usb/Makefile @@ -8,7 +8,7 @@ obj-$(CONFIG_DVB_USB_VP7045) += dvb-usb-vp7045.o dvb-usb-vp702x-objs := vp702x.o vp702x-fe.o obj-$(CONFIG_DVB_USB_VP702X) += dvb-usb-vp702x.o -dvb-usb-gp8psk-objs := gp8psk.o gp8psk-fe.o +dvb-usb-gp8psk-objs := gp8psk.o obj-$(CONFIG_DVB_USB_GP8PSK) += dvb-usb-gp8psk.o dvb-usb-dtt200u-objs := dtt200u.o dtt200u-fe.o diff --git a/drivers/media/usb/dvb-usb/af9005.c b/drivers/media/usb/dvb-usb/af9005.c index efa782e..7853261 100644 --- a/drivers/media/usb/dvb-usb/af9005.c +++ b/drivers/media/usb/dvb-usb/af9005.c @@ -52,17 +52,15 @@ u8 regmask[8] = { 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff }; struct af9005_device_state { u8 sequence; int led_state; + unsigned char data[256]; }; static int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg, int readwrite, int type, u8 * values, int len) { struct af9005_device_state *st = d->priv; - u8 obuf[16] = { 0 }; - u8 ibuf[17] = { 0 }; - u8 command; - int i; - int ret; + u8 command, seq; + int i, ret; if (len < 1) { err("generic read/write, less than 1 byte. Makes no sense."); @@ -73,16 +71,17 @@ static int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg, return -EINVAL; } - obuf[0] = 14; /* rest of buffer length low */ - obuf[1] = 0; /* rest of buffer length high */ + mutex_lock(&d->data_mutex); + st->data[0] = 14; /* rest of buffer length low */ + st->data[1] = 0; /* rest of buffer length high */ - obuf[2] = AF9005_REGISTER_RW; /* register operation */ - obuf[3] = 12; /* rest of buffer length */ + st->data[2] = AF9005_REGISTER_RW; /* register operation */ + st->data[3] = 12; /* rest of buffer length */ - obuf[4] = st->sequence++; /* sequence number */ + st->data[4] = seq = st->sequence++; /* sequence number */ - obuf[5] = (u8) (reg >> 8); /* register address */ - obuf[6] = (u8) (reg & 0xff); + st->data[5] = (u8) (reg >> 8); /* register address */ + st->data[6] = (u8) (reg & 0xff); if (type == AF9005_OFDM_REG) { command = AF9005_CMD_OFDM_REG; @@ -96,51 +95,52 @@ static int af9005_generic_read_write(struct dvb_usb_device *d, u16 reg, command |= readwrite; if (readwrite == AF9005_CMD_WRITE) for (i = 0; i < len; i++) - obuf[8 + i] = values[i]; + st->data[8 + i] = values[i]; else if (type == AF9005_TUNER_REG) /* read command for tuner, the first byte contains the i2c address */ - obuf[8] = values[0]; - obuf[7] = command; + st->data[8] = values[0]; + st->data[7] = command; - ret = dvb_usb_generic_rw(d, obuf, 16, ibuf, 17, 0); + ret = dvb_usb_generic_rw(d, st->data, 16, st->data, 17, 0); if (ret) - return ret; + goto ret; /* sanity check */ - if (ibuf[2] != AF9005_REGISTER_RW_ACK) { + if (st->data[2] != AF9005_REGISTER_RW_ACK) { err("generic read/write, wrong reply code."); - return -EIO; + ret = -EIO; + goto ret; } - if (ibuf[3] != 0x0d) { + if (st->data[3] != 0x0d) { err("generic read/write, wrong length in reply."); - return -EIO; + ret = -EIO; + goto ret; } - if (ibuf[4] != obuf[4]) { + if (st->data[4] != seq) { err("generic read/write, wrong sequence in reply."); - return -EIO; + ret = -EIO; + goto ret; } /* - Windows driver doesn't check these fields, in fact sometimes - the register in the reply is different that what has been sent - - if (ibuf[5] != obuf[5] || ibuf[6] != obuf[6]) { - err("generic read/write, wrong register in reply."); - return -EIO; - } - if (ibuf[7] != command) { - err("generic read/write wrong command in reply."); - return -EIO; - } + * In thesis, both input and output buffers should have + * identical values for st->data[5] to st->data[8]. + * However, windows driver doesn't check these fields, in fact + * sometimes the register in the reply is different that what + * has been sent */ - if (ibuf[16] != 0x01) { + if (st->data[16] != 0x01) { err("generic read/write wrong status code in reply."); - return -EIO; + ret = -EIO; + goto ret; } + if (readwrite == AF9005_CMD_READ) for (i = 0; i < len; i++) - values[i] = ibuf[8 + i]; + values[i] = st->data[8 + i]; - return 0; +ret: + mutex_unlock(&d->data_mutex); + return ret; } @@ -464,8 +464,7 @@ int af9005_send_command(struct dvb_usb_device *d, u8 command, u8 * wbuf, struct af9005_device_state *st = d->priv; int ret, i, packet_len; - u8 buf[64]; - u8 ibuf[64]; + u8 seq; if (wlen < 0) { err("send command, wlen less than 0 bytes. Makes no sense."); @@ -480,94 +479,97 @@ int af9005_send_command(struct dvb_usb_device *d, u8 command, u8 * wbuf, return -EINVAL; } packet_len = wlen + 5; - buf[0] = (u8) (packet_len & 0xff); - buf[1] = (u8) ((packet_len & 0xff00) >> 8); - - buf[2] = 0x26; /* packet type */ - buf[3] = wlen + 3; - buf[4] = st->sequence++; - buf[5] = command; - buf[6] = wlen; + + mutex_lock(&d->data_mutex); + + st->data[0] = (u8) (packet_len & 0xff); + st->data[1] = (u8) ((packet_len & 0xff00) >> 8); + + st->data[2] = 0x26; /* packet type */ + st->data[3] = wlen + 3; + st->data[4] = seq = st->sequence++; + st->data[5] = command; + st->data[6] = wlen; for (i = 0; i < wlen; i++) - buf[7 + i] = wbuf[i]; - ret = dvb_usb_generic_rw(d, buf, wlen + 7, ibuf, rlen + 7, 0); - if (ret) - return ret; - if (ibuf[2] != 0x27) { + st->data[7 + i] = wbuf[i]; + ret = dvb_usb_generic_rw(d, st->data, wlen + 7, st->data, rlen + 7, 0); + if (st->data[2] != 0x27) { err("send command, wrong reply code."); - return -EIO; - } - if (ibuf[4] != buf[4]) { + ret = -EIO; + } else if (st->data[4] != seq) { err("send command, wrong sequence in reply."); - return -EIO; - } - if (ibuf[5] != 0x01) { + ret = -EIO; + } else if (st->data[5] != 0x01) { err("send command, wrong status code in reply."); - return -EIO; - } - if (ibuf[6] != rlen) { + ret = -EIO; + } else if (st->data[6] != rlen) { err("send command, invalid data length in reply."); - return -EIO; + ret = -EIO; } - for (i = 0; i < rlen; i++) - rbuf[i] = ibuf[i + 7]; - return 0; + if (!ret) { + for (i = 0; i < rlen; i++) + rbuf[i] = st->data[i + 7]; + } + + mutex_unlock(&d->data_mutex); + return ret; } int af9005_read_eeprom(struct dvb_usb_device *d, u8 address, u8 * values, int len) { struct af9005_device_state *st = d->priv; - u8 obuf[16], ibuf[14]; + u8 seq; int ret, i; - memset(obuf, 0, sizeof(obuf)); - memset(ibuf, 0, sizeof(ibuf)); + mutex_lock(&d->data_mutex); - obuf[0] = 14; /* length of rest of packet low */ - obuf[1] = 0; /* length of rest of packer high */ + memset(st->data, 0, sizeof(st->data)); - obuf[2] = 0x2a; /* read/write eeprom */ + st->data[0] = 14; /* length of rest of packet low */ + st->data[1] = 0; /* length of rest of packer high */ - obuf[3] = 12; /* size */ + st->data[2] = 0x2a; /* read/write eeprom */ - obuf[4] = st->sequence++; + st->data[3] = 12; /* size */ - obuf[5] = 0; /* read */ + st->data[4] = seq = st->sequence++; - obuf[6] = len; - obuf[7] = address; - ret = dvb_usb_generic_rw(d, obuf, 16, ibuf, 14, 0); - if (ret) - return ret; - if (ibuf[2] != 0x2b) { + st->data[5] = 0; /* read */ + + st->data[6] = len; + st->data[7] = address; + ret = dvb_usb_generic_rw(d, st->data, 16, st->data, 14, 0); + if (st->data[2] != 0x2b) { err("Read eeprom, invalid reply code"); - return -EIO; - } - if (ibuf[3] != 10) { + ret = -EIO; + } else if (st->data[3] != 10) { err("Read eeprom, invalid reply length"); - return -EIO; - } - if (ibuf[4] != obuf[4]) { + ret = -EIO; + } else if (st->data[4] != seq) { err("Read eeprom, wrong sequence in reply "); - return -EIO; - } - if (ibuf[5] != 1) { + ret = -EIO; + } else if (st->data[5] != 1) { err("Read eeprom, wrong status in reply "); - return -EIO; + ret = -EIO; } - for (i = 0; i < len; i++) { - values[i] = ibuf[6 + i]; + + if (!ret) { + for (i = 0; i < len; i++) + values[i] = st->data[6 + i]; } - return 0; + mutex_unlock(&d->data_mutex); + + return ret; } -static int af9005_boot_packet(struct usb_device *udev, int type, u8 * reply) +static int af9005_boot_packet(struct usb_device *udev, int type, u8 *reply, + u8 *buf, int size) { - u8 buf[FW_BULKOUT_SIZE + 2]; u16 checksum; int act_len, i, ret; - memset(buf, 0, sizeof(buf)); + + memset(buf, 0, size); buf[0] = (u8) (FW_BULKOUT_SIZE & 0xff); buf[1] = (u8) ((FW_BULKOUT_SIZE >> 8) & 0xff); switch (type) { @@ -720,15 +722,21 @@ static int af9005_download_firmware(struct usb_device *udev, const struct firmwa { int i, packets, ret, act_len; - u8 buf[FW_BULKOUT_SIZE + 2]; + u8 *buf; u8 reply; - ret = af9005_boot_packet(udev, FW_CONFIG, &reply); + buf = kmalloc(FW_BULKOUT_SIZE + 2, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + ret = af9005_boot_packet(udev, FW_CONFIG, &reply, buf, + FW_BULKOUT_SIZE + 2); if (ret) - return ret; + goto err; if (reply != 0x01) { err("before downloading firmware, FW_CONFIG expected 0x01, received 0x%x", reply); - return -EIO; + ret = -EIO; + goto err; } packets = fw->size / FW_BULKOUT_SIZE; buf[0] = (u8) (FW_BULKOUT_SIZE & 0xff); @@ -743,28 +751,35 @@ static int af9005_download_firmware(struct usb_device *udev, const struct firmwa buf, FW_BULKOUT_SIZE + 2, &act_len, 1000); if (ret) { err("firmware download failed at packet %d with code %d", i, ret); - return ret; + goto err; } } - ret = af9005_boot_packet(udev, FW_CONFIRM, &reply); + ret = af9005_boot_packet(udev, FW_CONFIRM, &reply, + buf, FW_BULKOUT_SIZE + 2); if (ret) - return ret; + goto err; if (reply != (u8) (packets & 0xff)) { err("after downloading firmware, FW_CONFIRM expected 0x%x, received 0x%x", packets & 0xff, reply); - return -EIO; + ret = -EIO; + goto err; } - ret = af9005_boot_packet(udev, FW_BOOT, &reply); + ret = af9005_boot_packet(udev, FW_BOOT, &reply, buf, + FW_BULKOUT_SIZE + 2); if (ret) - return ret; - ret = af9005_boot_packet(udev, FW_CONFIG, &reply); + goto err; + ret = af9005_boot_packet(udev, FW_CONFIG, &reply, buf, + FW_BULKOUT_SIZE + 2); if (ret) - return ret; + goto err; if (reply != 0x02) { err("after downloading firmware, FW_CONFIG expected 0x02, received 0x%x", reply); - return -EIO; + ret = -EIO; + goto err; } - return 0; +err: + kfree(buf); + return ret; } @@ -823,53 +838,59 @@ static int af9005_rc_query(struct dvb_usb_device *d, u32 * event, int *state) { struct af9005_device_state *st = d->priv; int ret, len; - - u8 obuf[5]; - u8 ibuf[256]; + u8 seq; *state = REMOTE_NO_KEY_PRESSED; if (rc_decode == NULL) { /* it shouldn't never come here */ return 0; } + + mutex_lock(&d->data_mutex); + /* deb_info("rc_query\n"); */ - obuf[0] = 3; /* rest of packet length low */ - obuf[1] = 0; /* rest of packet lentgh high */ - obuf[2] = 0x40; /* read remote */ - obuf[3] = 1; /* rest of packet length */ - obuf[4] = st->sequence++; /* sequence number */ - ret = dvb_usb_generic_rw(d, obuf, 5, ibuf, 256, 0); + st->data[0] = 3; /* rest of packet length low */ + st->data[1] = 0; /* rest of packet lentgh high */ + st->data[2] = 0x40; /* read remote */ + st->data[3] = 1; /* rest of packet length */ + st->data[4] = seq = st->sequence++; /* sequence number */ + ret = dvb_usb_generic_rw(d, st->data, 5, st->data, 256, 0); if (ret) { err("rc query failed"); - return ret; + goto ret; } - if (ibuf[2] != 0x41) { + if (st->data[2] != 0x41) { err("rc query bad header."); - return -EIO; - } - if (ibuf[4] != obuf[4]) { + ret = -EIO; + goto ret; + } else if (st->data[4] != seq) { err("rc query bad sequence."); - return -EIO; + ret = -EIO; + goto ret; } - len = ibuf[5]; + len = st->data[5]; if (len > 246) { err("rc query invalid length"); - return -EIO; + ret = -EIO; + goto ret; } if (len > 0) { deb_rc("rc data (%d) ", len); - debug_dump((ibuf + 6), len, deb_rc); - ret = rc_decode(d, &ibuf[6], len, event, state); + debug_dump((st->data + 6), len, deb_rc); + ret = rc_decode(d, &st->data[6], len, event, state); if (ret) { err("rc_decode failed"); - return ret; + goto ret; } else { deb_rc("rc_decode state %x event %x\n", *state, *event); if (*state == REMOTE_KEY_REPEAT) *event = d->last_event; } } - return 0; + +ret: + mutex_unlock(&d->data_mutex); + return ret; } static int af9005_power_ctrl(struct dvb_usb_device *d, int onoff) @@ -953,10 +974,16 @@ static int af9005_identify_state(struct usb_device *udev, int *cold) { int ret; - u8 reply; - ret = af9005_boot_packet(udev, FW_CONFIG, &reply); + u8 reply, *buf; + + buf = kmalloc(FW_BULKOUT_SIZE + 2, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + ret = af9005_boot_packet(udev, FW_CONFIG, &reply, + buf, FW_BULKOUT_SIZE + 2); if (ret) - return ret; + goto err; deb_info("result of FW_CONFIG in identify state %d\n", reply); if (reply == 0x01) *cold = 1; @@ -965,7 +992,10 @@ static int af9005_identify_state(struct usb_device *udev, else return -EIO; deb_info("Identify state cold = %d\n", *cold); - return 0; + +err: + kfree(buf); + return ret; } static struct dvb_usb_device_properties af9005_properties; @@ -974,7 +1004,7 @@ static int af9005_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { return dvb_usb_device_init(intf, &af9005_properties, - THIS_MODULE, NULL, adapter_nr); + THIS_MODULE, NULL, adapter_nr); } enum af9005_usb_table_entry { diff --git a/drivers/media/usb/dvb-usb/cinergyT2-core.c b/drivers/media/usb/dvb-usb/cinergyT2-core.c index 9fd1527..290275b 100644 --- a/drivers/media/usb/dvb-usb/cinergyT2-core.c +++ b/drivers/media/usb/dvb-usb/cinergyT2-core.c @@ -41,6 +41,7 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); struct cinergyt2_state { u8 rc_counter; + unsigned char data[64]; }; /* We are missing a release hook with usb_device data */ @@ -50,38 +51,57 @@ static struct dvb_usb_device_properties cinergyt2_properties; static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable) { - char buf[] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 }; - char result[64]; - return dvb_usb_generic_rw(adap->dev, buf, sizeof(buf), result, - sizeof(result), 0); + struct dvb_usb_device *d = adap->dev; + struct cinergyt2_state *st = d->priv; + int ret; + + mutex_lock(&d->data_mutex); + st->data[0] = CINERGYT2_EP1_CONTROL_STREAM_TRANSFER; + st->data[1] = enable ? 1 : 0; + + ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 64, 0); + mutex_unlock(&d->data_mutex); + + return ret; } static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable) { - char buf[] = { CINERGYT2_EP1_SLEEP_MODE, enable ? 0 : 1 }; - char state[3]; - return dvb_usb_generic_rw(d, buf, sizeof(buf), state, sizeof(state), 0); + struct cinergyt2_state *st = d->priv; + int ret; + + mutex_lock(&d->data_mutex); + st->data[0] = CINERGYT2_EP1_SLEEP_MODE; + st->data[1] = enable ? 0 : 1; + + ret = dvb_usb_generic_rw(d, st->data, 2, st->data, 3, 0); + mutex_unlock(&d->data_mutex); + + return ret; } static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap) { - char query[] = { CINERGYT2_EP1_GET_FIRMWARE_VERSION }; - char state[3]; + struct dvb_usb_device *d = adap->dev; + struct cinergyt2_state *st = d->priv; int ret; adap->fe_adap[0].fe = cinergyt2_fe_attach(adap->dev); - ret = dvb_usb_generic_rw(adap->dev, query, sizeof(query), state, - sizeof(state), 0); + mutex_lock(&d->data_mutex); + st->data[0] = CINERGYT2_EP1_GET_FIRMWARE_VERSION; + + ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 3, 0); if (ret < 0) { deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep " "state info\n"); } + mutex_unlock(&d->data_mutex); /* Copy this pointer as we are gonna need it in the release phase */ cinergyt2_usb_device = adap->dev; - return 0; + return ret; } static struct rc_map_table rc_map_cinergyt2_table[] = { @@ -141,13 +161,18 @@ static int repeatable_keys[] = { static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) { struct cinergyt2_state *st = d->priv; - u8 key[5] = {0, 0, 0, 0, 0}, cmd = CINERGYT2_EP1_GET_RC_EVENTS; - int i; + int i, ret; *state = REMOTE_NO_KEY_PRESSED; - dvb_usb_generic_rw(d, &cmd, 1, key, sizeof(key), 0); - if (key[4] == 0xff) { + mutex_lock(&d->data_mutex); + st->data[0] = CINERGYT2_EP1_GET_RC_EVENTS; + + ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0); + if (ret < 0) + goto ret; + + if (st->data[4] == 0xff) { /* key repeat */ st->rc_counter++; if (st->rc_counter > RC_REPEAT_DELAY) { @@ -157,34 +182,36 @@ static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) *event = d->last_event; deb_rc("repeat key, event %x\n", *event); - return 0; + goto ret; } } deb_rc("repeated key (non repeatable)\n"); } - return 0; + goto ret; } /* hack to pass checksum on the custom field */ - key[2] = ~key[1]; - dvb_usb_nec_rc_key_to_event(d, key, event, state); - if (key[0] != 0) { + st->data[2] = ~st->data[1]; + dvb_usb_nec_rc_key_to_event(d, st->data, event, state); + if (st->data[0] != 0) { if (*event != d->last_event) st->rc_counter = 0; - deb_rc("key: %*ph\n", 5, key); + deb_rc("key: %*ph\n", 5, st->data); } - return 0; + +ret: + mutex_unlock(&d->data_mutex); + return ret; } static int cinergyt2_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) { return dvb_usb_device_init(intf, &cinergyt2_properties, - THIS_MODULE, NULL, adapter_nr); + THIS_MODULE, NULL, adapter_nr); } - static struct usb_device_id cinergyt2_usb_table[] = { { USB_DEVICE(USB_VID_TERRATEC, 0x0038) }, { 0 } diff --git a/drivers/media/usb/dvb-usb/cinergyT2-fe.c b/drivers/media/usb/dvb-usb/cinergyT2-fe.c index b3ec743..2d29b41 100644 --- a/drivers/media/usb/dvb-usb/cinergyT2-fe.c +++ b/drivers/media/usb/dvb-usb/cinergyT2-fe.c @@ -139,32 +139,42 @@ static uint16_t compute_tps(struct dtv_frontend_properties *op) struct cinergyt2_fe_state { struct dvb_frontend fe; struct dvb_usb_device *d; + + unsigned char data[64]; + struct mutex data_mutex; + + struct dvbt_get_status_msg status; }; static int cinergyt2_fe_read_status(struct dvb_frontend *fe, enum fe_status *status) { struct cinergyt2_fe_state *state = fe->demodulator_priv; - struct dvbt_get_status_msg result; - u8 cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; int ret; - ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (u8 *)&result, - sizeof(result), 0); + mutex_lock(&state->data_mutex); + state->data[0] = CINERGYT2_EP1_GET_TUNER_STATUS; + + ret = dvb_usb_generic_rw(state->d, state->data, 1, + state->data, sizeof(state->status), 0); + if (!ret) + memcpy(&state->status, state->data, sizeof(state->status)); + mutex_unlock(&state->data_mutex); + if (ret < 0) return ret; *status = 0; - if (0xffff - le16_to_cpu(result.gain) > 30) + if (0xffff - le16_to_cpu(state->status.gain) > 30) *status |= FE_HAS_SIGNAL; - if (result.lock_bits & (1 << 6)) + if (state->status.lock_bits & (1 << 6)) *status |= FE_HAS_LOCK; - if (result.lock_bits & (1 << 5)) + if (state->status.lock_bits & (1 << 5)) *status |= FE_HAS_SYNC; - if (result.lock_bits & (1 << 4)) + if (state->status.lock_bits & (1 << 4)) *status |= FE_HAS_CARRIER; - if (result.lock_bits & (1 << 1)) + if (state->status.lock_bits & (1 << 1)) *status |= FE_HAS_VITERBI; if ((*status & (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) != @@ -177,34 +187,16 @@ static int cinergyt2_fe_read_status(struct dvb_frontend *fe, static int cinergyt2_fe_read_ber(struct dvb_frontend *fe, u32 *ber) { struct cinergyt2_fe_state *state = fe->demodulator_priv; - struct dvbt_get_status_msg status; - char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; - int ret; - - ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status, - sizeof(status), 0); - if (ret < 0) - return ret; - *ber = le32_to_cpu(status.viterbi_error_rate); + *ber = le32_to_cpu(state->status.viterbi_error_rate); return 0; } static int cinergyt2_fe_read_unc_blocks(struct dvb_frontend *fe, u32 *unc) { struct cinergyt2_fe_state *state = fe->demodulator_priv; - struct dvbt_get_status_msg status; - u8 cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; - int ret; - ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (u8 *)&status, - sizeof(status), 0); - if (ret < 0) { - err("cinergyt2_fe_read_unc_blocks() Failed! (Error=%d)\n", - ret); - return ret; - } - *unc = le32_to_cpu(status.uncorrected_block_count); + *unc = le32_to_cpu(state->status.uncorrected_block_count); return 0; } @@ -212,35 +204,16 @@ static int cinergyt2_fe_read_signal_strength(struct dvb_frontend *fe, u16 *strength) { struct cinergyt2_fe_state *state = fe->demodulator_priv; - struct dvbt_get_status_msg status; - char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; - int ret; - ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status, - sizeof(status), 0); - if (ret < 0) { - err("cinergyt2_fe_read_signal_strength() Failed!" - " (Error=%d)\n", ret); - return ret; - } - *strength = (0xffff - le16_to_cpu(status.gain)); + *strength = (0xffff - le16_to_cpu(state->status.gain)); return 0; } static int cinergyt2_fe_read_snr(struct dvb_frontend *fe, u16 *snr) { struct cinergyt2_fe_state *state = fe->demodulator_priv; - struct dvbt_get_status_msg status; - char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; - int ret; - ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status, - sizeof(status), 0); - if (ret < 0) { - err("cinergyt2_fe_read_snr() Failed! (Error=%d)\n", ret); - return ret; - } - *snr = (status.snr << 8) | status.snr; + *snr = (state->status.snr << 8) | state->status.snr; return 0; } @@ -266,34 +239,36 @@ static int cinergyt2_fe_set_frontend(struct dvb_frontend *fe) { struct dtv_frontend_properties *fep = &fe->dtv_property_cache; struct cinergyt2_fe_state *state = fe->demodulator_priv; - struct dvbt_set_parameters_msg param; - char result[2]; + struct dvbt_set_parameters_msg *param; int err; - param.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS; - param.tps = cpu_to_le16(compute_tps(fep)); - param.freq = cpu_to_le32(fep->frequency / 1000); - param.flags = 0; + mutex_lock(&state->data_mutex); + + param = (void *)state->data; + param->cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS; + param->tps = cpu_to_le16(compute_tps(fep)); + param->freq = cpu_to_le32(fep->frequency / 1000); + param->flags = 0; switch (fep->bandwidth_hz) { default: case 8000000: - param.bandwidth = 8; + param->bandwidth = 8; break; case 7000000: - param.bandwidth = 7; + param->bandwidth = 7; break; case 6000000: - param.bandwidth = 6; + param->bandwidth = 6; break; } - err = dvb_usb_generic_rw(state->d, - (char *)¶m, sizeof(param), - result, sizeof(result), 0); + err = dvb_usb_generic_rw(state->d, state->data, sizeof(*param), + state->data, 2, 0); if (err < 0) err("cinergyt2_fe_set_frontend() Failed! err=%d\n", err); + mutex_unlock(&state->data_mutex); return (err < 0) ? err : 0; } @@ -315,6 +290,7 @@ struct dvb_frontend *cinergyt2_fe_attach(struct dvb_usb_device *d) s->d = d; memcpy(&s->fe.ops, &cinergyt2_fe_ops, sizeof(struct dvb_frontend_ops)); s->fe.demodulator_priv = s; + mutex_init(&s->data_mutex); return &s->fe; } diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c index 907ac01..2434030 100644 --- a/drivers/media/usb/dvb-usb/cxusb.c +++ b/drivers/media/usb/dvb-usb/cxusb.c @@ -45,9 +45,6 @@ #include "si2168.h" #include "si2157.h" -/* Max transfer size done by I2C transfer functions */ -#define MAX_XFER_SIZE 80 - /* debug */ static int dvb_usb_cxusb_debug; module_param_named(debug, dvb_usb_cxusb_debug, int, 0644); @@ -61,23 +58,27 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); static int cxusb_ctrl_msg(struct dvb_usb_device *d, u8 cmd, u8 *wbuf, int wlen, u8 *rbuf, int rlen) { - int wo = (rbuf == NULL || rlen == 0); /* write-only */ - u8 sndbuf[MAX_XFER_SIZE]; + struct cxusb_state *st = d->priv; + int ret, wo; - if (1 + wlen > sizeof(sndbuf)) { - warn("i2c wr: len=%d is too big!\n", - wlen); + if (1 + wlen > MAX_XFER_SIZE) { + warn("i2c wr: len=%d is too big!\n", wlen); return -EOPNOTSUPP; } - memset(sndbuf, 0, 1+wlen); + wo = (rbuf == NULL || rlen == 0); /* write-only */ - sndbuf[0] = cmd; - memcpy(&sndbuf[1], wbuf, wlen); + mutex_lock(&d->data_mutex); + st->data[0] = cmd; + memcpy(&st->data[1], wbuf, wlen); if (wo) - return dvb_usb_generic_write(d, sndbuf, 1+wlen); + ret = dvb_usb_generic_write(d, st->data, 1 + wlen); else - return dvb_usb_generic_rw(d, sndbuf, 1+wlen, rbuf, rlen, 0); + ret = dvb_usb_generic_rw(d, st->data, 1 + wlen, + rbuf, rlen, 0); + + mutex_unlock(&d->data_mutex); + return ret; } /* GPIO */ diff --git a/drivers/media/usb/dvb-usb/cxusb.h b/drivers/media/usb/dvb-usb/cxusb.h index 527ff79..18acda1 100644 --- a/drivers/media/usb/dvb-usb/cxusb.h +++ b/drivers/media/usb/dvb-usb/cxusb.h @@ -28,10 +28,15 @@ #define CMD_ANALOG 0x50 #define CMD_DIGITAL 0x51 +/* Max transfer size done by I2C transfer functions */ +#define MAX_XFER_SIZE 80 + struct cxusb_state { u8 gpio_write_state[3]; struct i2c_client *i2c_client_demod; struct i2c_client *i2c_client_tuner; + + unsigned char data[MAX_XFER_SIZE]; }; #endif diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c index f319665..47ce9d5 100644 --- a/drivers/media/usb/dvb-usb/dib0700_core.c +++ b/drivers/media/usb/dvb-usb/dib0700_core.c @@ -213,7 +213,7 @@ static int dib0700_i2c_xfer_new(struct i2c_adapter *adap, struct i2c_msg *msg, usb_rcvctrlpipe(d->udev, 0), REQUEST_NEW_I2C_READ, USB_TYPE_VENDOR | USB_DIR_IN, - value, index, msg[i].buf, + value, index, st->buf, msg[i].len, USB_CTRL_GET_TIMEOUT); if (result < 0) { @@ -221,6 +221,14 @@ static int dib0700_i2c_xfer_new(struct i2c_adapter *adap, struct i2c_msg *msg, break; } + if (msg[i].len > sizeof(st->buf)) { + deb_info("buffer too small to fit %d bytes\n", + msg[i].len); + return -EIO; + } + + memcpy(msg[i].buf, st->buf, msg[i].len); + deb_data("<<< "); debug_dump(msg[i].buf, msg[i].len, deb_data); @@ -238,6 +246,13 @@ static int dib0700_i2c_xfer_new(struct i2c_adapter *adap, struct i2c_msg *msg, /* I2C ctrl + FE bus; */ st->buf[3] = ((gen_mode << 6) & 0xC0) | ((bus_mode << 4) & 0x30); + + if (msg[i].len > sizeof(st->buf) - 4) { + deb_info("i2c message to big: %d\n", + msg[i].len); + return -EIO; + } + /* The Actual i2c payload */ memcpy(&st->buf[4], msg[i].buf, msg[i].len); @@ -283,6 +298,11 @@ static int dib0700_i2c_xfer_legacy(struct i2c_adapter *adap, /* fill in the address */ st->buf[1] = msg[i].addr << 1; /* fill the buffer */ + if (msg[i].len > sizeof(st->buf) - 2) { + deb_info("i2c xfer to big: %d\n", + msg[i].len); + return -EIO; + } memcpy(&st->buf[2], msg[i].buf, msg[i].len); /* write/read request */ @@ -292,13 +312,20 @@ static int dib0700_i2c_xfer_legacy(struct i2c_adapter *adap, /* special thing in the current firmware: when length is zero the read-failed */ len = dib0700_ctrl_rd(d, st->buf, msg[i].len + 2, - msg[i+1].buf, msg[i+1].len); + st->buf, msg[i + 1].len); if (len <= 0) { deb_info("I2C read failed on address 0x%02x\n", msg[i].addr); break; } + if (msg[i + 1].len > sizeof(st->buf)) { + deb_info("i2c xfer buffer to small for %d\n", + msg[i].len); + return -EIO; + } + memcpy(msg[i + 1].buf, st->buf, msg[i + 1].len); + msg[i+1].len = len; i++; @@ -677,7 +704,7 @@ static void dib0700_rc_urb_completion(struct urb *purb) struct dvb_usb_device *d = purb->context; struct dib0700_rc_response *poll_reply; enum rc_type protocol; - u32 uninitialized_var(keycode); + u32 keycode; u8 toggle; deb_info("%s()\n", __func__); @@ -718,7 +745,8 @@ static void dib0700_rc_urb_completion(struct urb *purb) poll_reply->nec.data == 0x00 && poll_reply->nec.not_data == 0xff) { poll_reply->data_state = 2; - break; + rc_repeat(d->rc_dev); + goto resubmit; } if ((poll_reply->nec.data ^ poll_reply->nec.not_data) != 0xff) { diff --git a/drivers/media/usb/dvb-usb/dib0700_devices.c b/drivers/media/usb/dvb-usb/dib0700_devices.c index 0857b56..ef1b8ee 100644 --- a/drivers/media/usb/dvb-usb/dib0700_devices.c +++ b/drivers/media/usb/dvb-usb/dib0700_devices.c @@ -508,8 +508,6 @@ static int stk7700ph_tuner_attach(struct dvb_usb_adapter *adap) #define DEFAULT_RC_INTERVAL 50 -static u8 rc_request[] = { REQUEST_POLL_RC, 0 }; - /* * This function is used only when firmware is < 1.20 version. Newer * firmwares use bulk mode, with functions implemented at dib0700_core, @@ -517,7 +515,6 @@ static u8 rc_request[] = { REQUEST_POLL_RC, 0 }; */ static int dib0700_rc_query_old_firmware(struct dvb_usb_device *d) { - u8 key[4]; enum rc_type protocol; u32 scancode; u8 toggle; @@ -532,39 +529,43 @@ static int dib0700_rc_query_old_firmware(struct dvb_usb_device *d) return 0; } - i = dib0700_ctrl_rd(d, rc_request, 2, key, 4); + st->buf[0] = REQUEST_POLL_RC; + st->buf[1] = 0; + + i = dib0700_ctrl_rd(d, st->buf, 2, st->buf, 4); if (i <= 0) { err("RC Query Failed"); - return -1; + return -EIO; } /* losing half of KEY_0 events from Philipps rc5 remotes.. */ - if (key[0] == 0 && key[1] == 0 && key[2] == 0 && key[3] == 0) + if (st->buf[0] == 0 && st->buf[1] == 0 + && st->buf[2] == 0 && st->buf[3] == 0) return 0; - /* info("%d: %2X %2X %2X %2X",dvb_usb_dib0700_ir_proto,(int)key[3-2],(int)key[3-3],(int)key[3-1],(int)key[3]); */ + /* info("%d: %2X %2X %2X %2X",dvb_usb_dib0700_ir_proto,(int)st->buf[3 - 2],(int)st->buf[3 - 3],(int)st->buf[3 - 1],(int)st->buf[3]); */ dib0700_rc_setup(d, NULL); /* reset ir sensor data to prevent false events */ switch (d->props.rc.core.protocol) { case RC_BIT_NEC: /* NEC protocol sends repeat code as 0 0 0 FF */ - if ((key[3-2] == 0x00) && (key[3-3] == 0x00) && - (key[3] == 0xff)) { + if ((st->buf[3 - 2] == 0x00) && (st->buf[3 - 3] == 0x00) && + (st->buf[3] == 0xff)) { rc_repeat(d->rc_dev); return 0; } protocol = RC_TYPE_NEC; - scancode = RC_SCANCODE_NEC(key[3-2], key[3-3]); + scancode = RC_SCANCODE_NEC(st->buf[3 - 2], st->buf[3 - 3]); toggle = 0; break; default: /* RC-5 protocol changes toggle bit on new keypress */ protocol = RC_TYPE_RC5; - scancode = RC_SCANCODE_RC5(key[3-2], key[3-3]); - toggle = key[3-1]; + scancode = RC_SCANCODE_RC5(st->buf[3 - 2], st->buf[3 - 3]); + toggle = st->buf[3 - 1]; break; } diff --git a/drivers/media/usb/dvb-usb/dibusb-common.c b/drivers/media/usb/dvb-usb/dibusb-common.c index 18ed3bf..de3ee25 100644 --- a/drivers/media/usb/dvb-usb/dibusb-common.c +++ b/drivers/media/usb/dvb-usb/dibusb-common.c @@ -62,72 +62,117 @@ EXPORT_SYMBOL(dibusb_pid_filter_ctrl); int dibusb_power_ctrl(struct dvb_usb_device *d, int onoff) { - u8 b[3]; + u8 *b; int ret; + + b = kmalloc(3, GFP_KERNEL); + if (!b) + return -ENOMEM; + b[0] = DIBUSB_REQ_SET_IOCTL; b[1] = DIBUSB_IOCTL_CMD_POWER_MODE; b[2] = onoff ? DIBUSB_IOCTL_POWER_WAKEUP : DIBUSB_IOCTL_POWER_SLEEP; - ret = dvb_usb_generic_write(d,b,3); + + ret = dvb_usb_generic_write(d, b, 3); + + kfree(b); + msleep(10); + return ret; } EXPORT_SYMBOL(dibusb_power_ctrl); int dibusb2_0_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) { - u8 b[3] = { 0 }; int ret; + u8 *b; + + b = kmalloc(3, GFP_KERNEL); + if (!b) + return -ENOMEM; if ((ret = dibusb_streaming_ctrl(adap,onoff)) < 0) - return ret; + goto ret; if (onoff) { b[0] = DIBUSB_REQ_SET_STREAMING_MODE; b[1] = 0x00; - if ((ret = dvb_usb_generic_write(adap->dev,b,2)) < 0) - return ret; + ret = dvb_usb_generic_write(adap->dev, b, 2); + if (ret < 0) + goto ret; } b[0] = DIBUSB_REQ_SET_IOCTL; b[1] = onoff ? DIBUSB_IOCTL_CMD_ENABLE_STREAM : DIBUSB_IOCTL_CMD_DISABLE_STREAM; - return dvb_usb_generic_write(adap->dev,b,3); + ret = dvb_usb_generic_write(adap->dev, b, 3); + +ret: + kfree(b); + return ret; } EXPORT_SYMBOL(dibusb2_0_streaming_ctrl); int dibusb2_0_power_ctrl(struct dvb_usb_device *d, int onoff) { - if (onoff) { - u8 b[3] = { DIBUSB_REQ_SET_IOCTL, DIBUSB_IOCTL_CMD_POWER_MODE, DIBUSB_IOCTL_POWER_WAKEUP }; - return dvb_usb_generic_write(d,b,3); - } else + u8 *b; + int ret; + + if (!onoff) return 0; + + b = kmalloc(3, GFP_KERNEL); + if (!b) + return -ENOMEM; + + b[0] = DIBUSB_REQ_SET_IOCTL; + b[1] = DIBUSB_IOCTL_CMD_POWER_MODE; + b[2] = DIBUSB_IOCTL_POWER_WAKEUP; + + ret = dvb_usb_generic_write(d, b, 3); + + kfree(b); + + return ret; } EXPORT_SYMBOL(dibusb2_0_power_ctrl); static int dibusb_i2c_msg(struct dvb_usb_device *d, u8 addr, u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) { - u8 sndbuf[MAX_XFER_SIZE]; /* lead(1) devaddr,direction(1) addr(2) data(wlen) (len(2) (when reading)) */ + u8 *sndbuf; + int ret, wo, len; + /* write only ? */ - int wo = (rbuf == NULL || rlen == 0), - len = 2 + wlen + (wo ? 0 : 2); + wo = (rbuf == NULL || rlen == 0); + + len = 2 + wlen + (wo ? 0 : 2); + + sndbuf = kmalloc(MAX_XFER_SIZE, GFP_KERNEL); + if (!sndbuf) + return -ENOMEM; - if (4 + wlen > sizeof(sndbuf)) { + if (4 + wlen > MAX_XFER_SIZE) { warn("i2c wr: len=%d is too big!\n", wlen); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto ret; } sndbuf[0] = wo ? DIBUSB_REQ_I2C_WRITE : DIBUSB_REQ_I2C_READ; sndbuf[1] = (addr << 1) | (wo ? 0 : 1); - memcpy(&sndbuf[2],wbuf,wlen); + memcpy(&sndbuf[2], wbuf, wlen); if (!wo) { - sndbuf[wlen+2] = (rlen >> 8) & 0xff; - sndbuf[wlen+3] = rlen & 0xff; + sndbuf[wlen + 2] = (rlen >> 8) & 0xff; + sndbuf[wlen + 3] = rlen & 0xff; } - return dvb_usb_generic_rw(d,sndbuf,len,rbuf,rlen,0); + ret = dvb_usb_generic_rw(d, sndbuf, len, rbuf, rlen, 0); + +ret: + kfree(sndbuf); + return ret; } /* @@ -319,11 +364,27 @@ EXPORT_SYMBOL(rc_map_dibusb_table); int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state) { - u8 key[5],cmd = DIBUSB_REQ_POLL_REMOTE; - dvb_usb_generic_rw(d,&cmd,1,key,5,0); - dvb_usb_nec_rc_key_to_event(d,key,event,state); - if (key[0] != 0) - deb_info("key: %*ph\n", 5, key); - return 0; + u8 *buf; + int ret; + + buf = kmalloc(5, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + buf[0] = DIBUSB_REQ_POLL_REMOTE; + + ret = dvb_usb_generic_rw(d, buf, 1, buf, 5, 0); + if (ret < 0) + goto ret; + + dvb_usb_nec_rc_key_to_event(d, buf, event, state); + + if (buf[0] != 0) + deb_info("key: %*ph\n", 5, buf); + + kfree(buf); + +ret: + return ret; } EXPORT_SYMBOL(dibusb_rc_query); diff --git a/drivers/media/usb/dvb-usb/dibusb.h b/drivers/media/usb/dvb-usb/dibusb.h index 3f82163..697be2a 100644 --- a/drivers/media/usb/dvb-usb/dibusb.h +++ b/drivers/media/usb/dvb-usb/dibusb.h @@ -96,6 +96,9 @@ #define DIBUSB_IOCTL_CMD_ENABLE_STREAM 0x01 #define DIBUSB_IOCTL_CMD_DISABLE_STREAM 0x02 +/* Max transfer size done by I2C transfer functions */ +#define MAX_XFER_SIZE 64 + struct dibusb_state { struct dib_fe_xfer_ops ops; int mt2060_present; diff --git a/drivers/media/usb/dvb-usb/digitv.c b/drivers/media/usb/dvb-usb/digitv.c index 6313433..4284f69 100644 --- a/drivers/media/usb/dvb-usb/digitv.c +++ b/drivers/media/usb/dvb-usb/digitv.c @@ -28,22 +28,26 @@ DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); static int digitv_ctrl_msg(struct dvb_usb_device *d, u8 cmd, u8 vv, u8 *wbuf, int wlen, u8 *rbuf, int rlen) { - int wo = (rbuf == NULL || rlen == 0); /* write-only */ - u8 sndbuf[7],rcvbuf[7]; - memset(sndbuf,0,7); memset(rcvbuf,0,7); + struct digitv_state *st = d->priv; + int ret, wo; - sndbuf[0] = cmd; - sndbuf[1] = vv; - sndbuf[2] = wo ? wlen : rlen; + wo = (rbuf == NULL || rlen == 0); /* write-only */ + + memset(st->sndbuf, 0, 7); + memset(st->rcvbuf, 0, 7); + + st->sndbuf[0] = cmd; + st->sndbuf[1] = vv; + st->sndbuf[2] = wo ? wlen : rlen; if (wo) { - memcpy(&sndbuf[3],wbuf,wlen); - dvb_usb_generic_write(d,sndbuf,7); + memcpy(&st->sndbuf[3], wbuf, wlen); + ret = dvb_usb_generic_write(d, st->sndbuf, 7); } else { - dvb_usb_generic_rw(d,sndbuf,7,rcvbuf,7,10); - memcpy(rbuf,&rcvbuf[3],rlen); + ret = dvb_usb_generic_rw(d, st->sndbuf, 7, st->rcvbuf, 7, 10); + memcpy(rbuf, &st->rcvbuf[3], rlen); } - return 0; + return ret; } /* I2C */ diff --git a/drivers/media/usb/dvb-usb/digitv.h b/drivers/media/usb/dvb-usb/digitv.h index 908c09f..581e09c 100644 --- a/drivers/media/usb/dvb-usb/digitv.h +++ b/drivers/media/usb/dvb-usb/digitv.h @@ -5,7 +5,10 @@ #include "dvb-usb.h" struct digitv_state { - int is_nxt6000; + int is_nxt6000; + + unsigned char sndbuf[7]; + unsigned char rcvbuf[7]; }; /* protocol (from usblogging and the SDK: diff --git a/drivers/media/usb/dvb-usb/dtt200u-fe.c b/drivers/media/usb/dvb-usb/dtt200u-fe.c index c09332b..f5c042b 100644 --- a/drivers/media/usb/dvb-usb/dtt200u-fe.c +++ b/drivers/media/usb/dvb-usb/dtt200u-fe.c @@ -18,17 +18,28 @@ struct dtt200u_fe_state { struct dtv_frontend_properties fep; struct dvb_frontend frontend; + + unsigned char data[80]; + struct mutex data_mutex; }; static int dtt200u_fe_read_status(struct dvb_frontend *fe, enum fe_status *stat) { struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 st = GET_TUNE_STATUS, b[3]; + int ret; + + mutex_lock(&state->data_mutex); + state->data[0] = GET_TUNE_STATUS; - dvb_usb_generic_rw(state->d,&st,1,b,3,0); + ret = dvb_usb_generic_rw(state->d, state->data, 1, state->data, 3, 0); + if (ret < 0) { + *stat = 0; + mutex_unlock(&state->data_mutex); + return ret; + } - switch (b[0]) { + switch (state->data[0]) { case 0x01: *stat = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; @@ -41,51 +52,86 @@ static int dtt200u_fe_read_status(struct dvb_frontend *fe, *stat = 0; break; } + mutex_unlock(&state->data_mutex); return 0; } static int dtt200u_fe_read_ber(struct dvb_frontend* fe, u32 *ber) { struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 bw = GET_VIT_ERR_CNT,b[3]; - dvb_usb_generic_rw(state->d,&bw,1,b,3,0); - *ber = (b[0] << 16) | (b[1] << 8) | b[2]; - return 0; + int ret; + + mutex_lock(&state->data_mutex); + state->data[0] = GET_VIT_ERR_CNT; + + ret = dvb_usb_generic_rw(state->d, state->data, 1, state->data, 3, 0); + if (ret >= 0) + *ber = (state->data[0] << 16) | (state->data[1] << 8) | state->data[2]; + + mutex_unlock(&state->data_mutex); + return ret; } static int dtt200u_fe_read_unc_blocks(struct dvb_frontend* fe, u32 *unc) { struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 bw = GET_RS_UNCOR_BLK_CNT,b[2]; + int ret; - dvb_usb_generic_rw(state->d,&bw,1,b,2,0); - *unc = (b[0] << 8) | b[1]; - return 0; + mutex_lock(&state->data_mutex); + state->data[0] = GET_RS_UNCOR_BLK_CNT; + + ret = dvb_usb_generic_rw(state->d, state->data, 1, state->data, 2, 0); + if (ret >= 0) + *unc = (state->data[0] << 8) | state->data[1]; + + mutex_unlock(&state->data_mutex); + return ret; } static int dtt200u_fe_read_signal_strength(struct dvb_frontend* fe, u16 *strength) { struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 bw = GET_AGC, b; - dvb_usb_generic_rw(state->d,&bw,1,&b,1,0); - *strength = (b << 8) | b; - return 0; + int ret; + + mutex_lock(&state->data_mutex); + state->data[0] = GET_AGC; + + ret = dvb_usb_generic_rw(state->d, state->data, 1, state->data, 1, 0); + if (ret >= 0) + *strength = (state->data[0] << 8) | state->data[0]; + + mutex_unlock(&state->data_mutex); + return ret; } static int dtt200u_fe_read_snr(struct dvb_frontend* fe, u16 *snr) { struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 bw = GET_SNR,br; - dvb_usb_generic_rw(state->d,&bw,1,&br,1,0); - *snr = ~((br << 8) | br); - return 0; + int ret; + + mutex_lock(&state->data_mutex); + state->data[0] = GET_SNR; + + ret = dvb_usb_generic_rw(state->d, state->data, 1, state->data, 1, 0); + if (ret >= 0) + *snr = ~((state->data[0] << 8) | state->data[0]); + + mutex_unlock(&state->data_mutex); + return ret; } static int dtt200u_fe_init(struct dvb_frontend* fe) { struct dtt200u_fe_state *state = fe->demodulator_priv; - u8 b = SET_INIT; - return dvb_usb_generic_write(state->d,&b,1); + int ret; + + mutex_lock(&state->data_mutex); + state->data[0] = SET_INIT; + + ret = dvb_usb_generic_write(state->d, state->data, 1); + mutex_unlock(&state->data_mutex); + + return ret; } static int dtt200u_fe_sleep(struct dvb_frontend* fe) @@ -105,39 +151,40 @@ static int dtt200u_fe_set_frontend(struct dvb_frontend *fe) { struct dtv_frontend_properties *fep = &fe->dtv_property_cache; struct dtt200u_fe_state *state = fe->demodulator_priv; - int i; - enum fe_status st; + int ret; u16 freq = fep->frequency / 250000; - u8 bwbuf[2] = { SET_BANDWIDTH, 0 },freqbuf[3] = { SET_RF_FREQ, 0, 0 }; + mutex_lock(&state->data_mutex); + state->data[0] = SET_BANDWIDTH; switch (fep->bandwidth_hz) { case 8000000: - bwbuf[1] = 8; + state->data[1] = 8; break; case 7000000: - bwbuf[1] = 7; + state->data[1] = 7; break; case 6000000: - bwbuf[1] = 6; + state->data[1] = 6; break; default: - return -EINVAL; + ret = -EINVAL; + goto ret; } - dvb_usb_generic_write(state->d,bwbuf,2); + ret = dvb_usb_generic_write(state->d, state->data, 2); + if (ret < 0) + goto ret; - freqbuf[1] = freq & 0xff; - freqbuf[2] = (freq >> 8) & 0xff; - dvb_usb_generic_write(state->d,freqbuf,3); + state->data[0] = SET_RF_FREQ; + state->data[1] = freq & 0xff; + state->data[2] = (freq >> 8) & 0xff; + ret = dvb_usb_generic_write(state->d, state->data, 3); + if (ret < 0) + goto ret; - for (i = 0; i < 30; i++) { - msleep(20); - dtt200u_fe_read_status(fe, &st); - if (st & FE_TIMEDOUT) - continue; - } - - return 0; +ret: + mutex_unlock(&state->data_mutex); + return ret; } static int dtt200u_fe_get_frontend(struct dvb_frontend* fe, @@ -169,6 +216,7 @@ struct dvb_frontend* dtt200u_fe_attach(struct dvb_usb_device *d) deb_info("attaching frontend dtt200u\n"); state->d = d; + mutex_init(&state->data_mutex); memcpy(&state->frontend.ops,&dtt200u_fe_ops,sizeof(struct dvb_frontend_ops)); state->frontend.demodulator_priv = state; diff --git a/drivers/media/usb/dvb-usb/dtt200u.c b/drivers/media/usb/dvb-usb/dtt200u.c index d2a01b5..fcbff7f 100644 --- a/drivers/media/usb/dvb-usb/dtt200u.c +++ b/drivers/media/usb/dvb-usb/dtt200u.c @@ -20,75 +20,115 @@ MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2 (or-able))." DVB_USB DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); +struct dtt200u_state { + unsigned char data[80]; +}; + static int dtt200u_power_ctrl(struct dvb_usb_device *d, int onoff) { - u8 b = SET_INIT; + struct dtt200u_state *st = d->priv; + int ret = 0; + + mutex_lock(&d->data_mutex); + + st->data[0] = SET_INIT; if (onoff) - dvb_usb_generic_write(d,&b,2); + ret = dvb_usb_generic_write(d, st->data, 2); - return 0; + mutex_unlock(&d->data_mutex); + return ret; } static int dtt200u_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) { - u8 b_streaming[2] = { SET_STREAMING, onoff }; - u8 b_rst_pid = RESET_PID_FILTER; + struct dvb_usb_device *d = adap->dev; + struct dtt200u_state *st = d->priv; + int ret; - dvb_usb_generic_write(adap->dev, b_streaming, 2); + mutex_lock(&d->data_mutex); + st->data[0] = SET_STREAMING; + st->data[1] = onoff; - if (onoff == 0) - dvb_usb_generic_write(adap->dev, &b_rst_pid, 1); - return 0; + ret = dvb_usb_generic_write(adap->dev, st->data, 2); + if (ret < 0) + goto ret; + + if (onoff) + goto ret; + + st->data[0] = RESET_PID_FILTER; + ret = dvb_usb_generic_write(adap->dev, st->data, 1); + +ret: + mutex_unlock(&d->data_mutex); + + return ret; } static int dtt200u_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid, int onoff) { - u8 b_pid[4]; + struct dvb_usb_device *d = adap->dev; + struct dtt200u_state *st = d->priv; + int ret; + pid = onoff ? pid : 0; - b_pid[0] = SET_PID_FILTER; - b_pid[1] = index; - b_pid[2] = pid & 0xff; - b_pid[3] = (pid >> 8) & 0x1f; + mutex_lock(&d->data_mutex); + st->data[0] = SET_PID_FILTER; + st->data[1] = index; + st->data[2] = pid & 0xff; + st->data[3] = (pid >> 8) & 0x1f; + + ret = dvb_usb_generic_write(adap->dev, st->data, 4); + mutex_unlock(&d->data_mutex); - return dvb_usb_generic_write(adap->dev, b_pid, 4); + return ret; } static int dtt200u_rc_query(struct dvb_usb_device *d) { - u8 key[5],cmd = GET_RC_CODE; + struct dtt200u_state *st = d->priv; u32 scancode; + int ret; + + mutex_lock(&d->data_mutex); + st->data[0] = GET_RC_CODE; - dvb_usb_generic_rw(d,&cmd,1,key,5,0); - if (key[0] == 1) { + ret = dvb_usb_generic_rw(d, st->data, 1, st->data, 5, 0); + if (ret < 0) + goto ret; + + if (st->data[0] == 1) { enum rc_type proto = RC_TYPE_NEC; - scancode = key[1]; - if ((u8) ~key[1] != key[2]) { + scancode = st->data[1]; + if ((u8) ~st->data[1] != st->data[2]) { /* Extended NEC */ scancode = scancode << 8; - scancode |= key[2]; + scancode |= st->data[2]; proto = RC_TYPE_NECX; } scancode = scancode << 8; - scancode |= key[3]; + scancode |= st->data[3]; /* Check command checksum is ok */ - if ((u8) ~key[3] == key[4]) + if ((u8) ~st->data[3] == st->data[4]) rc_keydown(d->rc_dev, proto, scancode, 0); else rc_keyup(d->rc_dev); - } else if (key[0] == 2) { + } else if (st->data[0] == 2) { rc_repeat(d->rc_dev); } else { rc_keyup(d->rc_dev); } - if (key[0] != 0) - deb_info("key: %*ph\n", 5, key); + if (st->data[0] != 0) + deb_info("st->data: %*ph\n", 5, st->data); - return 0; +ret: + mutex_unlock(&d->data_mutex); + return ret; } static int dtt200u_frontend_attach(struct dvb_usb_adapter *adap) @@ -140,6 +180,8 @@ static struct dvb_usb_device_properties dtt200u_properties = { .usb_ctrl = CYPRESS_FX2, .firmware = "dvb-usb-dtt200u-01.fw", + .size_of_priv = sizeof(struct dtt200u_state), + .num_adapters = 1, .adapter = { { @@ -190,6 +232,8 @@ static struct dvb_usb_device_properties wt220u_properties = { .usb_ctrl = CYPRESS_FX2, .firmware = "dvb-usb-wt220u-02.fw", + .size_of_priv = sizeof(struct dtt200u_state), + .num_adapters = 1, .adapter = { { @@ -240,6 +284,8 @@ static struct dvb_usb_device_properties wt220u_fc_properties = { .usb_ctrl = CYPRESS_FX2, .firmware = "dvb-usb-wt220u-fc03.fw", + .size_of_priv = sizeof(struct dtt200u_state), + .num_adapters = 1, .adapter = { { @@ -290,6 +336,8 @@ static struct dvb_usb_device_properties wt220u_zl0353_properties = { .usb_ctrl = CYPRESS_FX2, .firmware = "dvb-usb-wt220u-zl0353-01.fw", + .size_of_priv = sizeof(struct dtt200u_state), + .num_adapters = 1, .adapter = { { @@ -340,6 +388,8 @@ static struct dvb_usb_device_properties wt220u_miglia_properties = { .usb_ctrl = CYPRESS_FX2, .firmware = "dvb-usb-wt220u-miglia-01.fw", + .size_of_priv = sizeof(struct dtt200u_state), + .num_adapters = 1, .generic_bulk_ctrl_endpoint = 0x01, diff --git a/drivers/media/usb/dvb-usb/dtv5100.c b/drivers/media/usb/dvb-usb/dtv5100.c index 3d11df4..c60fb54 100644 --- a/drivers/media/usb/dvb-usb/dtv5100.c +++ b/drivers/media/usb/dvb-usb/dtv5100.c @@ -31,9 +31,14 @@ module_param_named(debug, dvb_usb_dtv5100_debug, int, 0644); MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS); DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); +struct dtv5100_state { + unsigned char data[80]; +}; + static int dtv5100_i2c_msg(struct dvb_usb_device *d, u8 addr, u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) { + struct dtv5100_state *st = d->priv; u8 request; u8 type; u16 value; @@ -60,9 +65,10 @@ static int dtv5100_i2c_msg(struct dvb_usb_device *d, u8 addr, } index = (addr << 8) + wbuf[0]; + memcpy(st->data, rbuf, rlen); msleep(1); /* avoid I2C errors */ return usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), request, - type, value, index, rbuf, rlen, + type, value, index, st->data, rlen, DTV5100_USB_TIMEOUT); } @@ -176,7 +182,7 @@ static struct dvb_usb_device_properties dtv5100_properties = { .caps = DVB_USB_IS_AN_I2C_ADAPTER, .usb_ctrl = DEVICE_SPECIFIC, - .size_of_priv = 0, + .size_of_priv = sizeof(struct dtv5100_state), .num_adapters = 1, .adapter = {{ diff --git a/drivers/media/usb/dvb-usb/dvb-usb-init.c b/drivers/media/usb/dvb-usb/dvb-usb-init.c index 3896ba9..8430856 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-init.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-init.c @@ -142,6 +142,7 @@ static int dvb_usb_init(struct dvb_usb_device *d, short *adapter_nums) { int ret = 0; + mutex_init(&d->data_mutex); mutex_init(&d->usb_mutex); mutex_init(&d->i2c_mutex); diff --git a/drivers/media/usb/dvb-usb/dvb-usb.h b/drivers/media/usb/dvb-usb/dvb-usb.h index 639c467..107255b 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb.h +++ b/drivers/media/usb/dvb-usb/dvb-usb.h @@ -404,8 +404,12 @@ struct dvb_usb_adapter { * Powered is in/decremented for each call to modify the state. * @udev: pointer to the device's struct usb_device. * - * @usb_mutex: semaphore of USB control messages (reading needs two messages) - * @i2c_mutex: semaphore for i2c-transfers + * @data_mutex: mutex to protect the data structure used to store URB data + * @usb_mutex: mutex of USB control messages (reading needs two messages). + * Please notice that this mutex is used internally at the generic + * URB control functions. So, drivers using dvb_usb_generic_rw() and + * derivated functions should not lock it internally. + * @i2c_mutex: mutex for i2c-transfers * * @i2c_adap: device's i2c_adapter if it uses I2CoverUSB * @@ -433,6 +437,7 @@ struct dvb_usb_device { int powered; /* locking */ + struct mutex data_mutex; struct mutex usb_mutex; /* i2c */ diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c index 5fb0c65..2c720cb 100644 --- a/drivers/media/usb/dvb-usb/dw2102.c +++ b/drivers/media/usb/dvb-usb/dw2102.c @@ -852,7 +852,7 @@ static int su3000_power_ctrl(struct dvb_usb_device *d, int i) if (i && !state->initialized) { state->initialized = 1; /* reset board */ - dvb_usb_generic_rw(d, obuf, 2, NULL, 0, 0); + return dvb_usb_generic_rw(d, obuf, 2, NULL, 0, 0); } return 0; diff --git a/drivers/media/usb/dvb-usb/gp8psk.c b/drivers/media/usb/dvb-usb/gp8psk.c index 5d0384d..993bb7a 100644 --- a/drivers/media/usb/dvb-usb/gp8psk.c +++ b/drivers/media/usb/dvb-usb/gp8psk.c @@ -15,6 +15,7 @@ * see Documentation/dvb/README.dvb-usb for more information */ #include "gp8psk.h" +#include "gp8psk-fe.h" /* debug */ static char bcm4500_firmware[] = "dvb-usb-gp8psk-02.fw"; @@ -24,37 +25,19 @@ MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DV DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); -static int gp8psk_get_fw_version(struct dvb_usb_device *d, u8 *fw_vers) -{ - return (gp8psk_usb_in_op(d, GET_FW_VERS, 0, 0, fw_vers, 6)); -} - -static int gp8psk_get_fpga_version(struct dvb_usb_device *d, u8 *fpga_vers) -{ - return (gp8psk_usb_in_op(d, GET_FPGA_VERS, 0, 0, fpga_vers, 1)); -} - -static void gp8psk_info(struct dvb_usb_device *d) -{ - u8 fpga_vers, fw_vers[6]; - - if (!gp8psk_get_fw_version(d, fw_vers)) - info("FW Version = %i.%02i.%i (0x%x) Build %4i/%02i/%02i", - fw_vers[2], fw_vers[1], fw_vers[0], GP8PSK_FW_VERS(fw_vers), - 2000 + fw_vers[5], fw_vers[4], fw_vers[3]); - else - info("failed to get FW version"); - - if (!gp8psk_get_fpga_version(d, &fpga_vers)) - info("FPGA Version = %i", fpga_vers); - else - info("failed to get FPGA version"); -} +struct gp8psk_state { + unsigned char data[80]; +}; -int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen) +static int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, + u16 index, u8 *b, int blen) { + struct gp8psk_state *st = d->priv; int ret = 0,try = 0; + if (blen > sizeof(st->data)) + return -EIO; + if ((ret = mutex_lock_interruptible(&d->usb_mutex))) return ret; @@ -63,7 +46,7 @@ int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 usb_rcvctrlpipe(d->udev,0), req, USB_TYPE_VENDOR | USB_DIR_IN, - value,index,b,blen, + value, index, st->data, blen, 2000); deb_info("reading number %d (ret: %d)\n",try,ret); try++; @@ -72,8 +55,10 @@ int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 if (ret < 0 || ret != blen) { warn("usb in %d operation failed.", req); ret = -EIO; - } else + } else { ret = 0; + memcpy(b, st->data, blen); + } deb_xfer("in: req. %x, val: %x, ind: %x, buffer: ",req,value,index); debug_dump(b,blen,deb_xfer); @@ -83,22 +68,27 @@ int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 return ret; } -int gp8psk_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, +static int gp8psk_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen) { + struct gp8psk_state *st = d->priv; int ret; deb_xfer("out: req. %x, val: %x, ind: %x, buffer: ",req,value,index); debug_dump(b,blen,deb_xfer); + if (blen > sizeof(st->data)) + return -EIO; + if ((ret = mutex_lock_interruptible(&d->usb_mutex))) return ret; + memcpy(st->data, b, blen); if (usb_control_msg(d->udev, usb_sndctrlpipe(d->udev,0), req, USB_TYPE_VENDOR | USB_DIR_OUT, - value,index,b,blen, + value, index, st->data, blen, 2000) != blen) { warn("usb out operation failed."); ret = -EIO; @@ -109,6 +99,34 @@ int gp8psk_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, return ret; } + +static int gp8psk_get_fw_version(struct dvb_usb_device *d, u8 *fw_vers) +{ + return gp8psk_usb_in_op(d, GET_FW_VERS, 0, 0, fw_vers, 6); +} + +static int gp8psk_get_fpga_version(struct dvb_usb_device *d, u8 *fpga_vers) +{ + return gp8psk_usb_in_op(d, GET_FPGA_VERS, 0, 0, fpga_vers, 1); +} + +static void gp8psk_info(struct dvb_usb_device *d) +{ + u8 fpga_vers, fw_vers[6]; + + if (!gp8psk_get_fw_version(d, fw_vers)) + info("FW Version = %i.%02i.%i (0x%x) Build %4i/%02i/%02i", + fw_vers[2], fw_vers[1], fw_vers[0], GP8PSK_FW_VERS(fw_vers), + 2000 + fw_vers[5], fw_vers[4], fw_vers[3]); + else + info("failed to get FW version"); + + if (!gp8psk_get_fpga_version(d, &fpga_vers)) + info("FPGA Version = %i", fpga_vers); + else + info("failed to get FPGA version"); +} + static int gp8psk_load_bcm4500fw(struct dvb_usb_device *d) { int ret; @@ -143,6 +161,11 @@ static int gp8psk_load_bcm4500fw(struct dvb_usb_device *d) err("failed to load bcm4500 firmware."); goto out_free; } + if (buflen > 64) { + err("firmare chunk size bigger than 64 bytes."); + goto out_free; + } + memcpy(buf, ptr, buflen); if (dvb_usb_generic_write(d, buf, buflen)) { err("failed to load bcm4500 firmware."); @@ -206,10 +229,13 @@ static int gp8psk_power_ctrl(struct dvb_usb_device *d, int onoff) return 0; } -int gp8psk_bcm4500_reload(struct dvb_usb_device *d) +static int gp8psk_bcm4500_reload(struct dvb_usb_device *d) { u8 buf; int gp_product_id = le16_to_cpu(d->udev->descriptor.idProduct); + + deb_xfer("reloading firmware\n"); + /* Turn off 8psk power */ if (gp8psk_usb_in_op(d, BOOT_8PSK, 0, 0, &buf, 1)) return -EINVAL; @@ -228,9 +254,47 @@ static int gp8psk_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) return gp8psk_usb_out_op(adap->dev, ARM_TRANSFER, onoff, 0 , NULL, 0); } +/* Callbacks for gp8psk-fe.c */ + +static int gp8psk_fe_in(void *priv, u8 req, u16 value, + u16 index, u8 *b, int blen) +{ + struct dvb_usb_device *d = priv; + + return gp8psk_usb_in_op(d, req, value, index, b, blen); +} + +static int gp8psk_fe_out(void *priv, u8 req, u16 value, + u16 index, u8 *b, int blen) +{ + struct dvb_usb_device *d = priv; + + return gp8psk_usb_out_op(d, req, value, index, b, blen); +} + +static int gp8psk_fe_reload(void *priv) +{ + struct dvb_usb_device *d = priv; + + return gp8psk_bcm4500_reload(d); +} + +const struct gp8psk_fe_ops gp8psk_fe_ops = { + .in = gp8psk_fe_in, + .out = gp8psk_fe_out, + .reload = gp8psk_fe_reload, +}; + static int gp8psk_frontend_attach(struct dvb_usb_adapter *adap) { - adap->fe_adap[0].fe = gp8psk_fe_attach(adap->dev); + struct dvb_usb_device *d = adap->dev; + int id = le16_to_cpu(d->udev->descriptor.idProduct); + int is_rev1; + + is_rev1 = (id == USB_PID_GENPIX_8PSK_REV_1_WARM) ? true : false; + + adap->fe_adap[0].fe = dvb_attach(gp8psk_fe_attach, + &gp8psk_fe_ops, d, is_rev1); return 0; } @@ -265,6 +329,8 @@ static struct dvb_usb_device_properties gp8psk_properties = { .usb_ctrl = CYPRESS_FX2, .firmware = "dvb-usb-gp8psk-01.fw", + .size_of_priv = sizeof(struct gp8psk_state), + .num_adapters = 1, .adapter = { { diff --git a/drivers/media/usb/dvb-usb/gp8psk.h b/drivers/media/usb/dvb-usb/gp8psk.h index ed32b9d..d8975b8 100644 --- a/drivers/media/usb/dvb-usb/gp8psk.h +++ b/drivers/media/usb/dvb-usb/gp8psk.h @@ -24,58 +24,6 @@ extern int dvb_usb_gp8psk_debug; #define deb_info(args...) dprintk(dvb_usb_gp8psk_debug,0x01,args) #define deb_xfer(args...) dprintk(dvb_usb_gp8psk_debug,0x02,args) #define deb_rc(args...) dprintk(dvb_usb_gp8psk_debug,0x04,args) -#define deb_fe(args...) dprintk(dvb_usb_gp8psk_debug,0x08,args) - -/* Twinhan Vendor requests */ -#define TH_COMMAND_IN 0xC0 -#define TH_COMMAND_OUT 0xC1 - -/* gp8psk commands */ - -#define GET_8PSK_CONFIG 0x80 /* in */ -#define SET_8PSK_CONFIG 0x81 -#define I2C_WRITE 0x83 -#define I2C_READ 0x84 -#define ARM_TRANSFER 0x85 -#define TUNE_8PSK 0x86 -#define GET_SIGNAL_STRENGTH 0x87 /* in */ -#define LOAD_BCM4500 0x88 -#define BOOT_8PSK 0x89 /* in */ -#define START_INTERSIL 0x8A /* in */ -#define SET_LNB_VOLTAGE 0x8B -#define SET_22KHZ_TONE 0x8C -#define SEND_DISEQC_COMMAND 0x8D -#define SET_DVB_MODE 0x8E -#define SET_DN_SWITCH 0x8F -#define GET_SIGNAL_LOCK 0x90 /* in */ -#define GET_FW_VERS 0x92 -#define GET_SERIAL_NUMBER 0x93 /* in */ -#define USE_EXTRA_VOLT 0x94 -#define GET_FPGA_VERS 0x95 -#define CW3K_INIT 0x9d - -/* PSK_configuration bits */ -#define bm8pskStarted 0x01 -#define bm8pskFW_Loaded 0x02 -#define bmIntersilOn 0x04 -#define bmDVBmode 0x08 -#define bm22kHz 0x10 -#define bmSEL18V 0x20 -#define bmDCtuned 0x40 -#define bmArmed 0x80 - -/* Satellite modulation modes */ -#define ADV_MOD_DVB_QPSK 0 /* DVB-S QPSK */ -#define ADV_MOD_TURBO_QPSK 1 /* Turbo QPSK */ -#define ADV_MOD_TURBO_8PSK 2 /* Turbo 8PSK (also used for Trellis 8PSK) */ -#define ADV_MOD_TURBO_16QAM 3 /* Turbo 16QAM (also used for Trellis 8PSK) */ - -#define ADV_MOD_DCII_C_QPSK 4 /* Digicipher II Combo */ -#define ADV_MOD_DCII_I_QPSK 5 /* Digicipher II I-stream */ -#define ADV_MOD_DCII_Q_QPSK 6 /* Digicipher II Q-stream */ -#define ADV_MOD_DCII_C_OQPSK 7 /* Digicipher II offset QPSK */ -#define ADV_MOD_DSS_QPSK 8 /* DSS (DIRECTV) QPSK */ -#define ADV_MOD_DVB_BPSK 9 /* DVB-S BPSK */ #define GET_USB_SPEED 0x07 @@ -86,15 +34,4 @@ extern int dvb_usb_gp8psk_debug; #define PRODUCT_STRING_READ 0x0D #define FW_BCD_VERSION_READ 0x14 -/* firmware revision id's */ -#define GP8PSK_FW_REV1 0x020604 -#define GP8PSK_FW_REV2 0x020704 -#define GP8PSK_FW_VERS(_fw_vers) ((_fw_vers)[2]<<0x10 | (_fw_vers)[1]<<0x08 | (_fw_vers)[0]) - -extern struct dvb_frontend * gp8psk_fe_attach(struct dvb_usb_device *d); -extern int gp8psk_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen); -extern int gp8psk_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, - u16 index, u8 *b, int blen); -extern int gp8psk_bcm4500_reload(struct dvb_usb_device *d); - #endif diff --git a/drivers/media/usb/dvb-usb/nova-t-usb2.c b/drivers/media/usb/dvb-usb/nova-t-usb2.c index fc7569e..1babd33 100644 --- a/drivers/media/usb/dvb-usb/nova-t-usb2.c +++ b/drivers/media/usb/dvb-usb/nova-t-usb2.c @@ -74,22 +74,31 @@ static struct rc_map_table rc_map_haupp_table[] = { */ static int nova_t_rc_query(struct dvb_usb_device *d, u32 *event, int *state) { - u8 key[5],cmd[2] = { DIBUSB_REQ_POLL_REMOTE, 0x35 }, data,toggle,custom; + u8 *buf, data, toggle, custom; u16 raw; - int i; + int i, ret; struct dibusb_device_state *st = d->priv; - dvb_usb_generic_rw(d,cmd,2,key,5,0); + buf = kmalloc(5, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + buf[0] = DIBUSB_REQ_POLL_REMOTE; + buf[1] = 0x35; + ret = dvb_usb_generic_rw(d, buf, 2, buf, 5, 0); + if (ret < 0) + goto ret; *state = REMOTE_NO_KEY_PRESSED; - switch (key[0]) { + switch (buf[0]) { case DIBUSB_RC_HAUPPAUGE_KEY_PRESSED: - raw = ((key[1] << 8) | key[2]) >> 3; + raw = ((buf[1] << 8) | buf[2]) >> 3; toggle = !!(raw & 0x800); data = raw & 0x3f; custom = (raw >> 6) & 0x1f; - deb_rc("raw key code 0x%02x, 0x%02x, 0x%02x to c: %02x d: %02x toggle: %d\n",key[1],key[2],key[3],custom,data,toggle); + deb_rc("raw key code 0x%02x, 0x%02x, 0x%02x to c: %02x d: %02x toggle: %d\n", + buf[1], buf[2], buf[3], custom, data, toggle); for (i = 0; i < ARRAY_SIZE(rc_map_haupp_table); i++) { if (rc5_data(&rc_map_haupp_table[i]) == data && @@ -117,7 +126,9 @@ static int nova_t_rc_query(struct dvb_usb_device *d, u32 *event, int *state) break; } - return 0; +ret: + kfree(buf); + return ret; } static int nova_t_read_mac_address (struct dvb_usb_device *d, u8 mac[6]) diff --git a/drivers/media/usb/dvb-usb/pctv452e.c b/drivers/media/usb/dvb-usb/pctv452e.c index c05de1b..07fa08b 100644 --- a/drivers/media/usb/dvb-usb/pctv452e.c +++ b/drivers/media/usb/dvb-usb/pctv452e.c @@ -97,48 +97,53 @@ struct pctv452e_state { u8 c; /* transaction counter, wraps around... */ u8 initialized; /* set to 1 if 0x15 has been sent */ u16 last_rc_key; + + unsigned char data[80]; }; static int tt3650_ci_msg(struct dvb_usb_device *d, u8 cmd, u8 *data, unsigned int write_len, unsigned int read_len) { struct pctv452e_state *state = (struct pctv452e_state *)d->priv; - u8 buf[64]; u8 id; unsigned int rlen; int ret; - BUG_ON(NULL == data && 0 != (write_len | read_len)); - BUG_ON(write_len > 64 - 4); - BUG_ON(read_len > 64 - 4); + if (!data || (write_len > 64 - 4) || (read_len > 64 - 4)) { + err("%s: transfer data invalid", __func__); + return -EIO; + } + mutex_lock(&state->ca_mutex); id = state->c++; - buf[0] = SYNC_BYTE_OUT; - buf[1] = id; - buf[2] = cmd; - buf[3] = write_len; + state->data[0] = SYNC_BYTE_OUT; + state->data[1] = id; + state->data[2] = cmd; + state->data[3] = write_len; - memcpy(buf + 4, data, write_len); + memcpy(state->data + 4, data, write_len); rlen = (read_len > 0) ? 64 : 0; - ret = dvb_usb_generic_rw(d, buf, 4 + write_len, - buf, rlen, /* delay_ms */ 0); + ret = dvb_usb_generic_rw(d, state->data, 4 + write_len, + state->data, rlen, /* delay_ms */ 0); if (0 != ret) goto failed; ret = -EIO; - if (SYNC_BYTE_IN != buf[0] || id != buf[1]) + if (SYNC_BYTE_IN != state->data[0] || id != state->data[1]) goto failed; - memcpy(data, buf + 4, read_len); + memcpy(data, state->data + 4, read_len); + mutex_unlock(&state->ca_mutex); return 0; failed: err("CI error %d; %02X %02X %02X -> %*ph.", - ret, SYNC_BYTE_OUT, id, cmd, 3, buf); + ret, SYNC_BYTE_OUT, id, cmd, 3, state->data); + mutex_unlock(&state->ca_mutex); return ret; } @@ -405,52 +410,53 @@ static int pctv452e_i2c_msg(struct dvb_usb_device *d, u8 addr, u8 *rcv_buf, u8 rcv_len) { struct pctv452e_state *state = (struct pctv452e_state *)d->priv; - u8 buf[64]; u8 id; int ret; + mutex_lock(&state->ca_mutex); id = state->c++; ret = -EINVAL; if (snd_len > 64 - 7 || rcv_len > 64 - 7) goto failed; - buf[0] = SYNC_BYTE_OUT; - buf[1] = id; - buf[2] = PCTV_CMD_I2C; - buf[3] = snd_len + 3; - buf[4] = addr << 1; - buf[5] = snd_len; - buf[6] = rcv_len; + state->data[0] = SYNC_BYTE_OUT; + state->data[1] = id; + state->data[2] = PCTV_CMD_I2C; + state->data[3] = snd_len + 3; + state->data[4] = addr << 1; + state->data[5] = snd_len; + state->data[6] = rcv_len; - memcpy(buf + 7, snd_buf, snd_len); + memcpy(state->data + 7, snd_buf, snd_len); - ret = dvb_usb_generic_rw(d, buf, 7 + snd_len, - buf, /* rcv_len */ 64, + ret = dvb_usb_generic_rw(d, state->data, 7 + snd_len, + state->data, /* rcv_len */ 64, /* delay_ms */ 0); if (ret < 0) goto failed; /* TT USB protocol error. */ ret = -EIO; - if (SYNC_BYTE_IN != buf[0] || id != buf[1]) + if (SYNC_BYTE_IN != state->data[0] || id != state->data[1]) goto failed; /* I2C device didn't respond as expected. */ ret = -EREMOTEIO; - if (buf[5] < snd_len || buf[6] < rcv_len) + if (state->data[5] < snd_len || state->data[6] < rcv_len) goto failed; - memcpy(rcv_buf, buf + 7, rcv_len); + memcpy(rcv_buf, state->data + 7, rcv_len); + mutex_unlock(&state->ca_mutex); return rcv_len; failed: - err("I2C error %d; %02X %02X %02X %02X %02X -> " - "%02X %02X %02X %02X %02X.", + err("I2C error %d; %02X %02X %02X %02X %02X -> %*ph", ret, SYNC_BYTE_OUT, id, addr << 1, snd_len, rcv_len, - buf[0], buf[1], buf[4], buf[5], buf[6]); + 7, state->data); + mutex_unlock(&state->ca_mutex); return ret; } @@ -499,8 +505,7 @@ static u32 pctv452e_i2c_func(struct i2c_adapter *adapter) static int pctv452e_power_ctrl(struct dvb_usb_device *d, int i) { struct pctv452e_state *state = (struct pctv452e_state *)d->priv; - u8 b0[] = { 0xaa, 0, PCTV_CMD_RESET, 1, 0 }; - u8 rx[PCTV_ANSWER_LEN]; + u8 *rx; int ret; info("%s: %d\n", __func__, i); @@ -511,6 +516,11 @@ static int pctv452e_power_ctrl(struct dvb_usb_device *d, int i) if (state->initialized) return 0; + rx = kmalloc(PCTV_ANSWER_LEN, GFP_KERNEL); + if (!rx) + return -ENOMEM; + + mutex_lock(&state->ca_mutex); /* hmm where shoud this should go? */ ret = usb_set_interface(d->udev, 0, ISOC_INTERFACE_ALTERNATIVE); if (ret != 0) @@ -518,65 +528,75 @@ static int pctv452e_power_ctrl(struct dvb_usb_device *d, int i) __func__, ret); /* this is a one-time initialization, dont know where to put */ - b0[1] = state->c++; + state->data[0] = 0xaa; + state->data[1] = state->c++; + state->data[2] = PCTV_CMD_RESET; + state->data[3] = 1; + state->data[4] = 0; /* reset board */ - ret = dvb_usb_generic_rw(d, b0, sizeof(b0), rx, PCTV_ANSWER_LEN, 0); + ret = dvb_usb_generic_rw(d, state->data, 5, rx, PCTV_ANSWER_LEN, 0); if (ret) - return ret; + goto ret; - b0[1] = state->c++; - b0[4] = 1; + state->data[1] = state->c++; + state->data[4] = 1; /* reset board (again?) */ - ret = dvb_usb_generic_rw(d, b0, sizeof(b0), rx, PCTV_ANSWER_LEN, 0); + ret = dvb_usb_generic_rw(d, state->data, 5, rx, PCTV_ANSWER_LEN, 0); if (ret) - return ret; + goto ret; state->initialized = 1; - return 0; +ret: + mutex_unlock(&state->ca_mutex); + kfree(rx); + return ret; } static int pctv452e_rc_query(struct dvb_usb_device *d) { struct pctv452e_state *state = (struct pctv452e_state *)d->priv; - u8 b[CMD_BUFFER_SIZE]; - u8 rx[PCTV_ANSWER_LEN]; int ret, i; - u8 id = state->c++; + u8 id; + + mutex_lock(&state->ca_mutex); + id = state->c++; /* prepare command header */ - b[0] = SYNC_BYTE_OUT; - b[1] = id; - b[2] = PCTV_CMD_IR; - b[3] = 0; + state->data[0] = SYNC_BYTE_OUT; + state->data[1] = id; + state->data[2] = PCTV_CMD_IR; + state->data[3] = 0; /* send ir request */ - ret = dvb_usb_generic_rw(d, b, 4, rx, PCTV_ANSWER_LEN, 0); + ret = dvb_usb_generic_rw(d, state->data, 4, + state->data, PCTV_ANSWER_LEN, 0); if (ret != 0) - return ret; + goto ret; if (debug > 3) { - info("%s: read: %2d: %*ph: ", __func__, ret, 3, rx); - for (i = 0; (i < rx[3]) && ((i+3) < PCTV_ANSWER_LEN); i++) - info(" %02x", rx[i+3]); + info("%s: read: %2d: %*ph: ", __func__, ret, 3, state->data); + for (i = 0; (i < state->data[3]) && ((i + 3) < PCTV_ANSWER_LEN); i++) + info(" %02x", state->data[i + 3]); info("\n"); } - if ((rx[3] == 9) && (rx[12] & 0x01)) { + if ((state->data[3] == 9) && (state->data[12] & 0x01)) { /* got a "press" event */ - state->last_rc_key = RC_SCANCODE_RC5(rx[7], rx[6]); + state->last_rc_key = RC_SCANCODE_RC5(state->data[7], state->data[6]); if (debug > 2) info("%s: cmd=0x%02x sys=0x%02x\n", - __func__, rx[6], rx[7]); + __func__, state->data[6], state->data[7]); rc_keydown(d->rc_dev, RC_TYPE_RC5, state->last_rc_key, 0); } else if (state->last_rc_key) { rc_keyup(d->rc_dev); state->last_rc_key = 0; } - - return 0; +ret: + mutex_unlock(&state->ca_mutex); + return ret; } static int pctv452e_read_mac_address(struct dvb_usb_device *d, u8 mac[6]) diff --git a/drivers/media/usb/dvb-usb/technisat-usb2.c b/drivers/media/usb/dvb-usb/technisat-usb2.c index d9f3262..4706628 100644 --- a/drivers/media/usb/dvb-usb/technisat-usb2.c +++ b/drivers/media/usb/dvb-usb/technisat-usb2.c @@ -89,9 +89,13 @@ struct technisat_usb2_state { static int technisat_usb2_i2c_access(struct usb_device *udev, u8 device_addr, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) { - u8 b[64]; + u8 *b; int ret, actual_length; + b = kmalloc(64, GFP_KERNEL); + if (!b) + return -ENOMEM; + deb_i2c("i2c-access: %02x, tx: ", device_addr); debug_dump(tx, txlen, deb_i2c); deb_i2c(" "); @@ -123,7 +127,7 @@ static int technisat_usb2_i2c_access(struct usb_device *udev, if (ret < 0) { err("i2c-error: out failed %02x = %d", device_addr, ret); - return -ENODEV; + goto err; } ret = usb_bulk_msg(udev, @@ -131,7 +135,7 @@ static int technisat_usb2_i2c_access(struct usb_device *udev, b, 64, &actual_length, 1000); if (ret < 0) { err("i2c-error: in failed %02x = %d", device_addr, ret); - return -ENODEV; + goto err; } if (b[0] != I2C_STATUS_OK) { @@ -140,7 +144,7 @@ static int technisat_usb2_i2c_access(struct usb_device *udev, if (!(b[0] == I2C_STATUS_NAK && device_addr == 0x60 /* && device_is_technisat_usb2 */)) - return -ENODEV; + goto err; } deb_i2c("status: %d, ", b[0]); @@ -154,7 +158,9 @@ static int technisat_usb2_i2c_access(struct usb_device *udev, deb_i2c("\n"); - return 0; +err: + kfree(b); + return ret; } static int technisat_usb2_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, diff --git a/drivers/media/usb/s2255/s2255drv.c b/drivers/media/usb/s2255/s2255drv.c index c3a0e87..f7bb78c 100644 --- a/drivers/media/usb/s2255/s2255drv.c +++ b/drivers/media/usb/s2255/s2255drv.c @@ -1901,19 +1901,30 @@ static long s2255_vendor_req(struct s2255_dev *dev, unsigned char Request, s32 TransferBufferLength, int bOut) { int r; + unsigned char *buf; + + buf = kmalloc(TransferBufferLength, GFP_KERNEL); + if (!buf) + return -ENOMEM; + if (!bOut) { r = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), Request, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, - Value, Index, TransferBuffer, + Value, Index, buf, TransferBufferLength, HZ * 5); + + if (r >= 0) + memcpy(TransferBuffer, buf, TransferBufferLength); } else { + memcpy(buf, TransferBuffer, TransferBufferLength); r = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), Request, USB_TYPE_VENDOR | USB_RECIP_DEVICE, - Value, Index, TransferBuffer, + Value, Index, buf, TransferBufferLength, HZ * 5); } + kfree(buf); return r; } diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/media/usb/stkwebcam/stk-webcam.c index db200c9..22a9aae 100644 --- a/drivers/media/usb/stkwebcam/stk-webcam.c +++ b/drivers/media/usb/stkwebcam/stk-webcam.c @@ -147,20 +147,26 @@ int stk_camera_write_reg(struct stk_camera *dev, u16 index, u8 value) int stk_camera_read_reg(struct stk_camera *dev, u16 index, int *value) { struct usb_device *udev = dev->udev; + unsigned char *buf; int ret; + buf = kmalloc(sizeof(u8), GFP_KERNEL); + if (!buf) + return -ENOMEM; + ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x00, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0x00, index, - (u8 *) value, + buf, sizeof(u8), 500); - if (ret < 0) - return ret; - else - return 0; + if (ret >= 0) + memcpy(value, buf, sizeof(u8)); + + kfree(buf); + return ret; } static int stk_start_stream(struct stk_camera *dev) diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c index e9e6ea3..75b9d4a 100644 --- a/drivers/misc/mei/bus-fixup.c +++ b/drivers/misc/mei/bus-fixup.c @@ -178,7 +178,7 @@ static int mei_nfc_if_version(struct mei_cl *cl, ret = 0; bytes_recv = __mei_cl_recv(cl, (u8 *)reply, if_version_length); - if (bytes_recv < 0 || bytes_recv < sizeof(struct mei_nfc_reply)) { + if (bytes_recv < if_version_length) { dev_err(bus->dev, "Could not read IF version\n"); ret = -EIO; goto err; diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c index 5a8dc5a..3678220 100644 --- a/drivers/mmc/card/mmc_test.c +++ b/drivers/mmc/card/mmc_test.c @@ -2347,7 +2347,7 @@ static int mmc_test_ongoing_transfer(struct mmc_test_card *test, struct mmc_test_req *rq = mmc_test_req_alloc(); struct mmc_host *host = test->card->host; struct mmc_test_area *t = &test->area; - struct mmc_async_req areq; + struct mmc_test_async_req test_areq = { .test = test }; struct mmc_request *mrq; unsigned long timeout; bool expired = false; @@ -2363,8 +2363,8 @@ static int mmc_test_ongoing_transfer(struct mmc_test_card *test, mrq->sbc = &rq->sbc; mrq->cap_cmd_during_tfr = true; - areq.mrq = mrq; - areq.err_check = mmc_test_check_result_async; + test_areq.areq.mrq = mrq; + test_areq.areq.err_check = mmc_test_check_result_async; mmc_test_prepare_mrq(test, mrq, t->sg, t->sg_len, dev_addr, t->blocks, 512, write); @@ -2378,7 +2378,7 @@ static int mmc_test_ongoing_transfer(struct mmc_test_card *test, /* Start ongoing data request */ if (use_areq) { - mmc_start_req(host, &areq, &ret); + mmc_start_req(host, &test_areq.areq, &ret); if (ret) goto out_free; } else { diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 39fc5b2..df19777 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -26,6 +26,8 @@ #include "mmc_ops.h" #include "sd_ops.h" +#define DEFAULT_CMD6_TIMEOUT_MS 500 + static const unsigned int tran_exp[] = { 10000, 100000, 1000000, 10000000, 0, 0, 0, 0 @@ -571,6 +573,7 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd) card->erased_byte = 0x0; /* eMMC v4.5 or later */ + card->ext_csd.generic_cmd6_time = DEFAULT_CMD6_TIMEOUT_MS; if (card->ext_csd.rev >= 6) { card->ext_csd.feature_support |= MMC_DISCARD_FEATURE; diff --git a/drivers/mmc/host/dw_mmc-pltfm.c b/drivers/mmc/host/dw_mmc-pltfm.c index c0bb0c7..dbbc430 100644 --- a/drivers/mmc/host/dw_mmc-pltfm.c +++ b/drivers/mmc/host/dw_mmc-pltfm.c @@ -46,12 +46,13 @@ int dw_mci_pltfm_register(struct platform_device *pdev, host->pdata = pdev->dev.platform_data; regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); - /* Get registers' physical base address */ - host->phy_regs = regs->start; host->regs = devm_ioremap_resource(&pdev->dev, regs); if (IS_ERR(host->regs)) return PTR_ERR(host->regs); + /* Get registers' physical base address */ + host->phy_regs = regs->start; + platform_set_drvdata(pdev, host); return dw_mci_probe(host); } diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 4fcbc40..50a674b 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -2940,7 +2940,7 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host) return ERR_PTR(-ENOMEM); /* find reset controller when exist */ - pdata->rstc = devm_reset_control_get_optional(dev, NULL); + pdata->rstc = devm_reset_control_get_optional(dev, "reset"); if (IS_ERR(pdata->rstc)) { if (PTR_ERR(pdata->rstc) == -EPROBE_DEFER) return ERR_PTR(-EPROBE_DEFER); diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index d839147..44ecebd 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -661,13 +661,13 @@ static int mxs_mmc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, mmc); + spin_lock_init(&host->lock); + ret = devm_request_irq(&pdev->dev, irq_err, mxs_mmc_irq_handler, 0, dev_name(&pdev->dev), host); if (ret) goto out_free_dma; - spin_lock_init(&host->lock); - ret = mmc_add_host(mmc); if (ret) goto out_free_dma; diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 8ef44a2a..90ed2e1 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -647,6 +647,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) if (msm_host->pwr_irq < 0) { dev_err(&pdev->dev, "Get pwr_irq failed (%d)\n", msm_host->pwr_irq); + ret = msm_host->pwr_irq; goto clk_disable; } diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 71654b9..42ef3eb 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2086,6 +2086,10 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) if (!host->tuning_done) { pr_info(DRIVER_NAME ": Timeout waiting for Buffer Read Ready interrupt during tuning procedure, falling back to fixed sampling clock\n"); + + sdhci_do_reset(host, SDHCI_RESET_CMD); + sdhci_do_reset(host, SDHCI_RESET_DATA); + ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); ctrl &= ~SDHCI_CTRL_TUNED_CLK; ctrl &= ~SDHCI_CTRL_EXEC_TUNING; @@ -2286,10 +2290,8 @@ static bool sdhci_request_done(struct sdhci_host *host) for (i = 0; i < SDHCI_MAX_MRQS; i++) { mrq = host->mrqs_done[i]; - if (mrq) { - host->mrqs_done[i] = NULL; + if (mrq) break; - } } if (!mrq) { @@ -2320,6 +2322,17 @@ static bool sdhci_request_done(struct sdhci_host *host) * upon error conditions. */ if (sdhci_needs_reset(host, mrq)) { + /* + * Do not finish until command and data lines are available for + * reset. Note there can only be one other mrq, so it cannot + * also be in mrqs_done, otherwise host->cmd and host->data_cmd + * would both be null. + */ + if (host->cmd || host->data_cmd) { + spin_unlock_irqrestore(&host->lock, flags); + return true; + } + /* Some controllers need this kick or reset won't work here */ if (host->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET) /* This is to force an update */ @@ -2327,10 +2340,8 @@ static bool sdhci_request_done(struct sdhci_host *host) /* Spec says we should do both at the same time, but Ricoh controllers do not like that. */ - if (!host->cmd) - sdhci_do_reset(host, SDHCI_RESET_CMD); - if (!host->data_cmd) - sdhci_do_reset(host, SDHCI_RESET_DATA); + sdhci_do_reset(host, SDHCI_RESET_CMD); + sdhci_do_reset(host, SDHCI_RESET_DATA); host->pending_reset = false; } @@ -2338,6 +2349,8 @@ static bool sdhci_request_done(struct sdhci_host *host) if (!sdhci_has_requests(host)) sdhci_led_deactivate(host); + host->mrqs_done[i] = NULL; + mmiowb(); spin_unlock_irqrestore(&host->lock, flags); @@ -2512,9 +2525,6 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask) if (!host->data) { struct mmc_command *data_cmd = host->data_cmd; - if (data_cmd) - host->data_cmd = NULL; - /* * The "data complete" interrupt is also used to * indicate that a busy state has ended. See comment @@ -2522,11 +2532,13 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask) */ if (data_cmd && (data_cmd->flags & MMC_RSP_BUSY)) { if (intmask & SDHCI_INT_DATA_TIMEOUT) { + host->data_cmd = NULL; data_cmd->error = -ETIMEDOUT; sdhci_finish_mrq(host, data_cmd->mrq); return; } if (intmask & SDHCI_INT_DATA_END) { + host->data_cmd = NULL; /* * Some cards handle busy-end interrupt * before the command completed, so make @@ -2912,6 +2924,10 @@ int sdhci_runtime_resume_host(struct sdhci_host *host) spin_unlock_irqrestore(&host->lock, flags); } + if ((mmc->caps2 & MMC_CAP2_HS400_ES) && + mmc->ops->hs400_enhanced_strobe) + mmc->ops->hs400_enhanced_strobe(mmc, &mmc->ios); + spin_lock_irqsave(&host->lock, flags); host->runtime_suspended = false; diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c index 0f68a99..141bd70 100644 --- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c +++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c @@ -161,7 +161,7 @@ int gpmi_init(struct gpmi_nand_data *this) ret = gpmi_enable_clk(this); if (ret) - goto err_out; + return ret; ret = gpmi_reset_block(r->gpmi_regs, false); if (ret) goto err_out; @@ -197,6 +197,7 @@ int gpmi_init(struct gpmi_nand_data *this) gpmi_disable_clk(this); return 0; err_out: + gpmi_disable_clk(this); return ret; } @@ -270,7 +271,7 @@ int bch_set_geometry(struct gpmi_nand_data *this) ret = gpmi_enable_clk(this); if (ret) - goto err_out; + return ret; /* * Due to erratum #2847 of the MX23, the BCH cannot be soft reset on this @@ -308,6 +309,7 @@ int bch_set_geometry(struct gpmi_nand_data *this) gpmi_disable_clk(this); return 0; err_out: + gpmi_disable_clk(this); return ret; } diff --git a/drivers/mtd/nand/mtk_ecc.c b/drivers/mtd/nand/mtk_ecc.c index d54f666..dbf2562 100644 --- a/drivers/mtd/nand/mtk_ecc.c +++ b/drivers/mtd/nand/mtk_ecc.c @@ -86,6 +86,8 @@ struct mtk_ecc { struct completion done; struct mutex lock; u32 sectors; + + u8 eccdata[112]; }; static inline void mtk_ecc_wait_idle(struct mtk_ecc *ecc, @@ -366,9 +368,8 @@ int mtk_ecc_encode(struct mtk_ecc *ecc, struct mtk_ecc_config *config, u8 *data, u32 bytes) { dma_addr_t addr; - u8 *p; - u32 len, i, val; - int ret = 0; + u32 len; + int ret; addr = dma_map_single(ecc->dev, data, bytes, DMA_TO_DEVICE); ret = dma_mapping_error(ecc->dev, addr); @@ -393,14 +394,12 @@ int mtk_ecc_encode(struct mtk_ecc *ecc, struct mtk_ecc_config *config, /* Program ECC bytes to OOB: per sector oob = FDM + ECC + SPARE */ len = (config->strength * ECC_PARITY_BITS + 7) >> 3; - p = data + bytes; - /* write the parity bytes generated by the ECC back to the OOB region */ - for (i = 0; i < len; i++) { - if ((i % 4) == 0) - val = readl(ecc->regs + ECC_ENCPAR(i / 4)); - p[i] = (val >> ((i % 4) * 8)) & 0xff; - } + /* write the parity bytes generated by the ECC back to temp buffer */ + __ioread32_copy(ecc->eccdata, ecc->regs + ECC_ENCPAR(0), round_up(len, 4)); + + /* copy into possibly unaligned OOB region with actual length */ + memcpy(data + bytes, ecc->eccdata, len); timeout: dma_unmap_single(ecc->dev, addr, bytes, DMA_TO_DEVICE); diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index e5718e5..3bde96a 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -1095,10 +1095,11 @@ static void nand_release_data_interface(struct nand_chip *chip) /** * nand_reset - Reset and initialize a NAND device * @chip: The NAND chip + * @chipnr: Internal die id * * Returns 0 for success or negative error code otherwise */ -int nand_reset(struct nand_chip *chip) +int nand_reset(struct nand_chip *chip, int chipnr) { struct mtd_info *mtd = nand_to_mtd(chip); int ret; @@ -1107,9 +1108,17 @@ int nand_reset(struct nand_chip *chip) if (ret) return ret; + /* + * The CS line has to be released before we can apply the new NAND + * interface settings, hence this weird ->select_chip() dance. + */ + chip->select_chip(mtd, chipnr); chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); + chip->select_chip(mtd, -1); + chip->select_chip(mtd, chipnr); ret = nand_setup_data_interface(chip); + chip->select_chip(mtd, -1); if (ret) return ret; @@ -1185,8 +1194,6 @@ int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) /* Shift to get chip number */ chipnr = ofs >> chip->chip_shift; - chip->select_chip(mtd, chipnr); - /* * Reset the chip. * If we want to check the WP through READ STATUS and check the bit 7 @@ -1194,7 +1201,9 @@ int nand_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) * some operation can also clear the bit 7 of status register * eg. erase/program a locked block */ - nand_reset(chip); + nand_reset(chip, chipnr); + + chip->select_chip(mtd, chipnr); /* Check, if it is write protected */ if (nand_check_wp(mtd)) { @@ -1244,8 +1253,6 @@ int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) /* Shift to get chip number */ chipnr = ofs >> chip->chip_shift; - chip->select_chip(mtd, chipnr); - /* * Reset the chip. * If we want to check the WP through READ STATUS and check the bit 7 @@ -1253,7 +1260,9 @@ int nand_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) * some operation can also clear the bit 7 of status register * eg. erase/program a locked block */ - nand_reset(chip); + nand_reset(chip, chipnr); + + chip->select_chip(mtd, chipnr); /* Check, if it is write protected */ if (nand_check_wp(mtd)) { @@ -2940,10 +2949,6 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to, } chipnr = (int)(to >> chip->chip_shift); - chip->select_chip(mtd, chipnr); - - /* Shift to get page */ - page = (int)(to >> chip->page_shift); /* * Reset the chip. Some chips (like the Toshiba TC5832DC found in one @@ -2951,7 +2956,12 @@ static int nand_do_write_oob(struct mtd_info *mtd, loff_t to, * if we don't do this. I have no clue why, but I seem to have 'fixed' * it in the doc2000 driver in August 1999. dwmw2. */ - nand_reset(chip); + nand_reset(chip, chipnr); + + chip->select_chip(mtd, chipnr); + + /* Shift to get page */ + page = (int)(to >> chip->page_shift); /* Check, if it is write protected */ if (nand_check_wp(mtd)) { @@ -3984,14 +3994,14 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, int i, maf_idx; u8 id_data[8]; - /* Select the device */ - chip->select_chip(mtd, 0); - /* * Reset the chip, required by some chips (e.g. Micron MT29FxGxxxxx) * after power-up. */ - nand_reset(chip); + nand_reset(chip, 0); + + /* Select the device */ + chip->select_chip(mtd, 0); /* Send the command for reading device ID */ chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1); @@ -4329,17 +4339,31 @@ int nand_scan_ident(struct mtd_info *mtd, int maxchips, return PTR_ERR(type); } + /* Initialize the ->data_interface field. */ ret = nand_init_data_interface(chip); if (ret) return ret; + /* + * Setup the data interface correctly on the chip and controller side. + * This explicit call to nand_setup_data_interface() is only required + * for the first die, because nand_reset() has been called before + * ->data_interface and ->default_onfi_timing_mode were set. + * For the other dies, nand_reset() will automatically switch to the + * best mode for us. + */ + ret = nand_setup_data_interface(chip); + if (ret) + return ret; + chip->select_chip(mtd, -1); /* Check for a chip array */ for (i = 1; i < maxchips; i++) { - chip->select_chip(mtd, i); /* See comment in nand_get_flash_type for reset */ - nand_reset(chip); + nand_reset(chip, i); + + chip->select_chip(mtd, i); /* Send the command for reading device ID */ chip->cmdfunc(mtd, NAND_CMD_READID, 0x00, -1); /* Read manufacturer and device IDs */ diff --git a/drivers/net/can/sja1000/plx_pci.c b/drivers/net/can/sja1000/plx_pci.c index 3eb7430..f8ff25c 100644 --- a/drivers/net/can/sja1000/plx_pci.c +++ b/drivers/net/can/sja1000/plx_pci.c @@ -142,6 +142,9 @@ struct plx_pci_card { #define CTI_PCI_VENDOR_ID 0x12c4 #define CTI_PCI_DEVICE_ID_CRG001 0x0900 +#define MOXA_PCI_VENDOR_ID 0x1393 +#define MOXA_PCI_DEVICE_ID 0x0100 + static void plx_pci_reset_common(struct pci_dev *pdev); static void plx9056_pci_reset_common(struct pci_dev *pdev); static void plx_pci_reset_marathon_pci(struct pci_dev *pdev); @@ -258,6 +261,14 @@ static struct plx_pci_card_info plx_pci_card_info_elcus = { /* based on PLX9030 */ }; +static struct plx_pci_card_info plx_pci_card_info_moxa = { + "MOXA", 2, + PLX_PCI_CAN_CLOCK, PLX_PCI_OCR, PLX_PCI_CDR, + {0, 0x00, 0x00}, { {0, 0x00, 0x80}, {1, 0x00, 0x80} }, + &plx_pci_reset_common + /* based on PLX9052 */ +}; + static const struct pci_device_id plx_pci_tbl[] = { { /* Adlink PCI-7841/cPCI-7841 */ @@ -357,6 +368,13 @@ static const struct pci_device_id plx_pci_tbl[] = { 0, 0, (kernel_ulong_t)&plx_pci_card_info_elcus }, + { + /* moxa */ + MOXA_PCI_VENDOR_ID, MOXA_PCI_DEVICE_ID, + PCI_ANY_ID, PCI_ANY_ID, + 0, 0, + (kernel_ulong_t)&plx_pci_card_info_moxa + }, { 0,} }; MODULE_DEVICE_TABLE(pci, plx_pci_tbl); diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c index c481f10..5390ae8 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c @@ -204,17 +204,6 @@ static u32 xgene_enet_ring_len(struct xgene_enet_desc_ring *ring) return num_msgs; } -static void xgene_enet_setup_coalescing(struct xgene_enet_desc_ring *ring) -{ - u32 data = 0x7777; - - xgene_enet_ring_wr32(ring, CSR_PBM_COAL, 0x8e); - xgene_enet_ring_wr32(ring, CSR_PBM_CTICK1, data); - xgene_enet_ring_wr32(ring, CSR_PBM_CTICK2, data << 16); - xgene_enet_ring_wr32(ring, CSR_THRESHOLD0_SET1, 0x40); - xgene_enet_ring_wr32(ring, CSR_THRESHOLD1_SET1, 0x80); -} - void xgene_enet_parse_error(struct xgene_enet_desc_ring *ring, struct xgene_enet_pdata *pdata, enum xgene_enet_err_code status) @@ -929,5 +918,4 @@ struct xgene_ring_ops xgene_ring1_ops = { .clear = xgene_enet_clear_ring, .wr_cmd = xgene_enet_wr_cmd, .len = xgene_enet_ring_len, - .coalesce = xgene_enet_setup_coalescing, }; diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h index 8456337..06e598c 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.h @@ -55,8 +55,10 @@ enum xgene_enet_rm { #define PREFETCH_BUF_EN BIT(21) #define CSR_RING_ID_BUF 0x000c #define CSR_PBM_COAL 0x0014 +#define CSR_PBM_CTICK0 0x0018 #define CSR_PBM_CTICK1 0x001c #define CSR_PBM_CTICK2 0x0020 +#define CSR_PBM_CTICK3 0x0024 #define CSR_THRESHOLD0_SET1 0x0030 #define CSR_THRESHOLD1_SET1 0x0034 #define CSR_RING_NE_INT_MODE 0x017c diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c index 3fc7b0d..1352b52 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c @@ -1188,7 +1188,8 @@ static int xgene_enet_create_desc_rings(struct net_device *ndev) tx_ring->dst_ring_num = xgene_enet_dst_ring_num(cp_ring); } - pdata->ring_ops->coalesce(pdata->tx_ring[0]); + if (pdata->ring_ops->coalesce) + pdata->ring_ops->coalesce(pdata->tx_ring[0]); pdata->tx_qcnt_hi = pdata->tx_ring[0]->slots - 128; return 0; diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_ring2.c b/drivers/net/ethernet/apm/xgene/xgene_enet_ring2.c index 2b76732..af51dd5 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_ring2.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_ring2.c @@ -30,7 +30,7 @@ static void xgene_enet_ring_init(struct xgene_enet_desc_ring *ring) ring_cfg[0] |= SET_VAL(X2_INTLINE, ring->id & RING_BUFNUM_MASK); ring_cfg[3] |= SET_BIT(X2_DEQINTEN); } - ring_cfg[0] |= SET_VAL(X2_CFGCRID, 1); + ring_cfg[0] |= SET_VAL(X2_CFGCRID, 2); addr >>= 8; ring_cfg[2] |= QCOHERENT | SET_VAL(RINGADDRL, addr); @@ -192,13 +192,15 @@ static u32 xgene_enet_ring_len(struct xgene_enet_desc_ring *ring) static void xgene_enet_setup_coalescing(struct xgene_enet_desc_ring *ring) { - u32 data = 0x7777; + u32 data = 0x77777777; xgene_enet_ring_wr32(ring, CSR_PBM_COAL, 0x8e); + xgene_enet_ring_wr32(ring, CSR_PBM_CTICK0, data); xgene_enet_ring_wr32(ring, CSR_PBM_CTICK1, data); - xgene_enet_ring_wr32(ring, CSR_PBM_CTICK2, data << 16); - xgene_enet_ring_wr32(ring, CSR_THRESHOLD0_SET1, 0x40); - xgene_enet_ring_wr32(ring, CSR_THRESHOLD1_SET1, 0x80); + xgene_enet_ring_wr32(ring, CSR_PBM_CTICK2, data); + xgene_enet_ring_wr32(ring, CSR_PBM_CTICK3, data); + xgene_enet_ring_wr32(ring, CSR_THRESHOLD0_SET1, 0x08); + xgene_enet_ring_wr32(ring, CSR_THRESHOLD1_SET1, 0x10); } struct xgene_ring_ops xgene_ring2_ops = { diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index a29787f..0e066dc6 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -307,6 +307,10 @@ static void bgmac_dma_rx_enable(struct bgmac *bgmac, u32 ctl; ctl = bgmac_read(bgmac, ring->mmio_base + BGMAC_DMA_RX_CTL); + + /* preserve ONLY bits 16-17 from current hardware value */ + ctl &= BGMAC_DMA_RX_ADDREXT_MASK; + if (bgmac->feature_flags & BGMAC_FEAT_RX_MASK_SETUP) { ctl &= ~BGMAC_DMA_RX_BL_MASK; ctl |= BGMAC_DMA_RX_BL_128 << BGMAC_DMA_RX_BL_SHIFT; @@ -317,7 +321,6 @@ static void bgmac_dma_rx_enable(struct bgmac *bgmac, ctl &= ~BGMAC_DMA_RX_PT_MASK; ctl |= BGMAC_DMA_RX_PT_1 << BGMAC_DMA_RX_PT_SHIFT; } - ctl &= BGMAC_DMA_RX_ADDREXT_MASK; ctl |= BGMAC_DMA_RX_ENABLE; ctl |= BGMAC_DMA_RX_PARITY_DISABLE; ctl |= BGMAC_DMA_RX_OVERFLOW_CONT; @@ -1046,9 +1049,9 @@ static void bgmac_enable(struct bgmac *bgmac) mode = (bgmac_read(bgmac, BGMAC_DEV_STATUS) & BGMAC_DS_MM_MASK) >> BGMAC_DS_MM_SHIFT; - if (!(bgmac->feature_flags & BGMAC_FEAT_CLKCTLST) || mode != 0) + if (bgmac->feature_flags & BGMAC_FEAT_CLKCTLST || mode != 0) bgmac_set(bgmac, BCMA_CLKCTLST, BCMA_CLKCTLST_FORCEHT); - if (bgmac->feature_flags & BGMAC_FEAT_CLKCTLST && mode == 2) + if (!(bgmac->feature_flags & BGMAC_FEAT_CLKCTLST) && mode == 2) bgmac_cco_ctl_maskset(bgmac, 1, ~0, BGMAC_CHIPCTL_1_RXC_DLL_BYPASS); diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index eab49ff..7baf300 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -49,6 +49,7 @@ #include <linux/firmware.h> #include <linux/log2.h> #include <linux/aer.h> +#include <linux/crash_dump.h> #if IS_ENABLED(CONFIG_CNIC) #define BCM_CNIC 1 @@ -4764,15 +4765,16 @@ bnx2_setup_msix_tbl(struct bnx2 *bp) BNX2_WR(bp, BNX2_PCI_GRC_WINDOW3_ADDR, BNX2_MSIX_PBA_ADDR); } -static int -bnx2_reset_chip(struct bnx2 *bp, u32 reset_code) +static void +bnx2_wait_dma_complete(struct bnx2 *bp) { u32 val; - int i, rc = 0; - u8 old_port; + int i; - /* Wait for the current PCI transaction to complete before - * issuing a reset. */ + /* + * Wait for the current PCI transaction to complete before + * issuing a reset. + */ if ((BNX2_CHIP(bp) == BNX2_CHIP_5706) || (BNX2_CHIP(bp) == BNX2_CHIP_5708)) { BNX2_WR(bp, BNX2_MISC_ENABLE_CLR_BITS, @@ -4796,6 +4798,21 @@ bnx2_reset_chip(struct bnx2 *bp, u32 reset_code) } } + return; +} + + +static int +bnx2_reset_chip(struct bnx2 *bp, u32 reset_code) +{ + u32 val; + int i, rc = 0; + u8 old_port; + + /* Wait for the current PCI transaction to complete before + * issuing a reset. */ + bnx2_wait_dma_complete(bp); + /* Wait for the firmware to tell us it is ok to issue a reset. */ bnx2_fw_sync(bp, BNX2_DRV_MSG_DATA_WAIT0 | reset_code, 1, 1); @@ -6361,6 +6378,10 @@ bnx2_open(struct net_device *dev) struct bnx2 *bp = netdev_priv(dev); int rc; + rc = bnx2_request_firmware(bp); + if (rc < 0) + goto out; + netif_carrier_off(dev); bnx2_disable_int(bp); @@ -6429,6 +6450,7 @@ open_err: bnx2_free_irq(bp); bnx2_free_mem(bp); bnx2_del_napi(bp); + bnx2_release_firmware(bp); goto out; } @@ -8571,12 +8593,15 @@ bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_drvdata(pdev, dev); - rc = bnx2_request_firmware(bp); - if (rc < 0) - goto error; - + /* + * In-flight DMA from 1st kernel could continue going in kdump kernel. + * New io-page table has been created before bnx2 does reset at open stage. + * We have to wait for the in-flight DMA to complete to avoid it look up + * into the newly created io-page table. + */ + if (is_kdump_kernel()) + bnx2_wait_dma_complete(bp); - bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET); memcpy(dev->dev_addr, bp->mac_addr, ETH_ALEN); dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG | @@ -8611,7 +8636,6 @@ bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; error: - bnx2_release_firmware(bp); pci_iounmap(pdev, bp->regview); pci_release_regions(pdev); pci_disable_device(pdev); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index d313b02..27a2dd9 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -6305,6 +6305,7 @@ static int bnxt_setup_tc(struct net_device *dev, u32 handle, __be16 proto, struct tc_to_netdev *ntc) { struct bnxt *bp = netdev_priv(dev); + bool sh = false; u8 tc; if (ntc->type != TC_SETUP_MQPRIO) @@ -6321,12 +6322,11 @@ static int bnxt_setup_tc(struct net_device *dev, u32 handle, __be16 proto, if (netdev_get_num_tc(dev) == tc) return 0; + if (bp->flags & BNXT_FLAG_SHARED_RINGS) + sh = true; + if (tc) { int max_rx_rings, max_tx_rings, rc; - bool sh = false; - - if (bp->flags & BNXT_FLAG_SHARED_RINGS) - sh = true; rc = bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh); if (rc || bp->tx_nr_rings_per_tc * tc > max_tx_rings) @@ -6344,7 +6344,8 @@ static int bnxt_setup_tc(struct net_device *dev, u32 handle, __be16 proto, bp->tx_nr_rings = bp->tx_nr_rings_per_tc; netdev_reset_tc(dev); } - bp->cp_nr_rings = max_t(int, bp->tx_nr_rings, bp->rx_nr_rings); + bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) : + bp->tx_nr_rings + bp->rx_nr_rings; bp->num_stat_ctxs = bp->cp_nr_rings; if (netif_running(bp->dev)) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c index ec6cd18..60e2af8 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c @@ -774,8 +774,8 @@ static int bnxt_vf_set_link(struct bnxt *bp, struct bnxt_vf_info *vf) if (vf->flags & BNXT_VF_LINK_UP) { /* if physical link is down, force link up on VF */ - if (phy_qcfg_resp.link == - PORT_PHY_QCFG_RESP_LINK_NO_LINK) { + if (phy_qcfg_resp.link != + PORT_PHY_QCFG_RESP_LINK_LINK) { phy_qcfg_resp.link = PORT_PHY_QCFG_RESP_LINK_LINK; phy_qcfg_resp.link_speed = cpu_to_le16( diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index b200a78..1120308 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -177,6 +177,7 @@ bnad_txcmpl_process(struct bnad *bnad, struct bna_tcb *tcb) return 0; hw_cons = *(tcb->hw_consumer_index); + rmb(); cons = tcb->consumer_index; q_depth = tcb->q_depth; @@ -3094,7 +3095,7 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev) BNA_QE_INDX_INC(prod, q_depth); tcb->producer_index = prod; - smp_mb(); + wmb(); if (unlikely(!test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags))) return NETDEV_TX_OK; @@ -3102,7 +3103,6 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev) skb_tx_timestamp(skb); bna_txq_prod_indx_doorbell(tcb); - smp_mb(); return NETDEV_TX_OK; } diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h index 50812a1..df1573c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_pci_id_tbl.h @@ -178,9 +178,9 @@ CH_PCI_DEVICE_ID_TABLE_DEFINE_BEGIN CH_PCI_ID_TABLE_FENTRY(0x6005), CH_PCI_ID_TABLE_FENTRY(0x6006), CH_PCI_ID_TABLE_FENTRY(0x6007), + CH_PCI_ID_TABLE_FENTRY(0x6008), CH_PCI_ID_TABLE_FENTRY(0x6009), CH_PCI_ID_TABLE_FENTRY(0x600d), - CH_PCI_ID_TABLE_FENTRY(0x6010), CH_PCI_ID_TABLE_FENTRY(0x6011), CH_PCI_ID_TABLE_FENTRY(0x6014), CH_PCI_ID_TABLE_FENTRY(0x6015), diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c b/drivers/net/ethernet/hisilicon/hns/hnae.c index c54c6fa..b6ed818 100644 --- a/drivers/net/ethernet/hisilicon/hns/hnae.c +++ b/drivers/net/ethernet/hisilicon/hns/hnae.c @@ -332,8 +332,10 @@ struct hnae_handle *hnae_get_handle(struct device *owner_dev, return ERR_PTR(-ENODEV); handle = dev->ops->get_handle(dev, port_id); - if (IS_ERR(handle)) + if (IS_ERR(handle)) { + put_device(&dev->cls_dev); return handle; + } handle->dev = dev; handle->owner_dev = owner_dev; @@ -356,6 +358,8 @@ out_when_init_queue: for (j = i - 1; j >= 0; j--) hnae_fini_queue(handle->qs[j]); + put_device(&dev->cls_dev); + return ERR_PTR(-ENOMEM); } EXPORT_SYMBOL(hnae_get_handle); @@ -377,6 +381,8 @@ void hnae_put_handle(struct hnae_handle *h) dev->ops->put_handle(h); module_put(dev->owner); + + put_device(&dev->cls_dev); } EXPORT_SYMBOL(hnae_put_handle); diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index e9719ba..fa66fa6 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -2438,6 +2438,8 @@ static int ehea_open(struct net_device *dev) netif_info(port, ifup, dev, "enabling port\n"); + netif_carrier_off(dev); + ret = ehea_up(dev); if (!ret) { port_napi_enable(port); diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index d54405b4..1e486d1 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -1493,9 +1493,8 @@ static void init_sub_crqs(struct ibmvnic_adapter *adapter, int retry) adapter->max_rx_add_entries_per_subcrq > entries_page ? entries_page : adapter->max_rx_add_entries_per_subcrq; - /* Choosing the maximum number of queues supported by firmware*/ - adapter->req_tx_queues = adapter->max_tx_queues; - adapter->req_rx_queues = adapter->max_rx_queues; + adapter->req_tx_queues = adapter->opt_tx_comp_sub_queues; + adapter->req_rx_queues = adapter->opt_rx_comp_queues; adapter->req_rx_add_queues = adapter->max_rx_add_queues; adapter->req_mtu = adapter->max_mtu; @@ -3698,7 +3697,7 @@ static int ibmvnic_probe(struct vio_dev *dev, const struct vio_device_id *id) struct net_device *netdev; unsigned char *mac_addr_p; struct dentry *ent; - char buf[16]; /* debugfs name buf */ + char buf[17]; /* debugfs name buf */ int rc; dev_dbg(&dev->dev, "entering ibmvnic_probe for UA 0x%x\n", @@ -3837,6 +3836,9 @@ static int ibmvnic_remove(struct vio_dev *dev) if (adapter->debugfs_dir && !IS_ERR(adapter->debugfs_dir)) debugfs_remove_recursive(adapter->debugfs_dir); + dma_unmap_single(&dev->dev, adapter->stats_token, + sizeof(struct ibmvnic_statistics), DMA_FROM_DEVICE); + if (adapter->ras_comps) dma_free_coherent(&dev->dev, adapter->ras_comp_num * diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c index 6749b83..81b08d7 100644 --- a/drivers/net/ethernet/marvell/mv643xx_eth.c +++ b/drivers/net/ethernet/marvell/mv643xx_eth.c @@ -1379,6 +1379,7 @@ static unsigned int get_rx_coal(struct mv643xx_eth_private *mp) temp = (val & 0x003fff00) >> 8; temp *= 64000000; + temp += mp->t_clk / 2; do_div(temp, mp->t_clk); return (unsigned int)temp; @@ -1415,6 +1416,7 @@ static unsigned int get_tx_coal(struct mv643xx_eth_private *mp) temp = (rdlp(mp, TX_FIFO_URGENT_THRESHOLD) & 0x3fff0) >> 4; temp *= 64000000; + temp += mp->t_clk / 2; do_div(temp, mp->t_clk); return (unsigned int)temp; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 9bf7320..9a807e9 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2254,7 +2254,6 @@ void mlx4_en_destroy_netdev(struct net_device *dev) if (!shutdown) free_netdev(dev); - dev->ethtool_ops = NULL; } static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 313b765..52b4fd5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -1445,6 +1445,7 @@ static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix, c->netdev = priv->netdev; c->mkey_be = cpu_to_be32(priv->mdev->mlx5e_res.mkey.key); c->num_tc = priv->params.num_tc; + c->xdp = !!priv->xdp_prog; if (priv->params.rx_am_enabled) rx_cq_profile = mlx5e_am_get_def_profile(priv->params.rx_cq_period_mode); @@ -1468,6 +1469,12 @@ static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix, if (err) goto err_close_tx_cqs; + /* XDP SQ CQ params are same as normal TXQ sq CQ params */ + err = c->xdp ? mlx5e_open_cq(c, &cparam->tx_cq, &c->xdp_sq.cq, + priv->params.tx_cq_moderation) : 0; + if (err) + goto err_close_rx_cq; + napi_enable(&c->napi); err = mlx5e_open_sq(c, 0, &cparam->icosq, &c->icosq); @@ -1488,21 +1495,10 @@ static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix, } } - if (priv->xdp_prog) { - /* XDP SQ CQ params are same as normal TXQ sq CQ params */ - err = mlx5e_open_cq(c, &cparam->tx_cq, &c->xdp_sq.cq, - priv->params.tx_cq_moderation); - if (err) - goto err_close_sqs; - - err = mlx5e_open_sq(c, 0, &cparam->xdp_sq, &c->xdp_sq); - if (err) { - mlx5e_close_cq(&c->xdp_sq.cq); - goto err_close_sqs; - } - } + err = c->xdp ? mlx5e_open_sq(c, 0, &cparam->xdp_sq, &c->xdp_sq) : 0; + if (err) + goto err_close_sqs; - c->xdp = !!priv->xdp_prog; err = mlx5e_open_rq(c, &cparam->rq, &c->rq); if (err) goto err_close_xdp_sq; @@ -1512,7 +1508,8 @@ static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix, return 0; err_close_xdp_sq: - mlx5e_close_sq(&c->xdp_sq); + if (c->xdp) + mlx5e_close_sq(&c->xdp_sq); err_close_sqs: mlx5e_close_sqs(c); @@ -1522,6 +1519,10 @@ err_close_icosq: err_disable_napi: napi_disable(&c->napi); + if (c->xdp) + mlx5e_close_cq(&c->xdp_sq.cq); + +err_close_rx_cq: mlx5e_close_cq(&c->rq.cq); err_close_tx_cqs: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 47dfd5b1..a84825d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -310,7 +310,7 @@ static void mlx5e_build_rep_netdev(struct net_device *netdev) netdev->switchdev_ops = &mlx5e_rep_switchdev_ops; #endif - netdev->features |= NETIF_F_VLAN_CHALLENGED | NETIF_F_HW_TC; + netdev->features |= NETIF_F_VLAN_CHALLENGED | NETIF_F_HW_TC | NETIF_F_NETNS_LOCAL; netdev->hw_features |= NETIF_F_HW_TC; eth_hw_addr_random(netdev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 9d133fc..4b99112 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -398,12 +398,15 @@ static int parse_cls_flower(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec skb_flow_dissector_target(f->dissector, FLOW_DISSECTOR_KEY_VLAN, f->mask); - if (mask->vlan_id) { + if (mask->vlan_id || mask->vlan_priority) { MLX5_SET(fte_match_set_lyr_2_4, headers_c, vlan_tag, 1); MLX5_SET(fte_match_set_lyr_2_4, headers_v, vlan_tag, 1); MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, mask->vlan_id); MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, key->vlan_id); + + MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_prio, mask->vlan_priority); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_prio, key->vlan_priority); } } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 50fe8e8..731f286 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -58,7 +58,8 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw, if (esw->mode != SRIOV_OFFLOADS) return ERR_PTR(-EOPNOTSUPP); - flow_act.action = attr->action; + /* per flow vlan pop/push is emulated, don't set that into the firmware */ + flow_act.action = attr->action & ~(MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH | MLX5_FLOW_CONTEXT_ACTION_VLAN_POP); if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) { dest[i].type = MLX5_FLOW_DESTINATION_TYPE_VPORT; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 9adc766..68ec4ea 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -1836,7 +1836,7 @@ static int init_root_ns(struct mlx5_flow_steering *steering) { steering->root_ns = create_root_ns(steering, FS_FT_NIC_RX); - if (IS_ERR_OR_NULL(steering->root_ns)) + if (!steering->root_ns) goto cleanup; if (init_root_tree(steering, &root_fs, &steering->root_ns->ns.node)) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index a3a0887..c074933 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -1226,6 +1226,9 @@ static int init_one(struct pci_dev *pdev, pci_set_drvdata(pdev, dev); + dev->pdev = pdev; + dev->event = mlx5_core_event; + if (prof_sel < 0 || prof_sel >= ARRAY_SIZE(profile)) { mlx5_core_warn(dev, "selected profile out of range, selecting default (%d)\n", @@ -1233,8 +1236,6 @@ static int init_one(struct pci_dev *pdev, prof_sel = MLX5_DEFAULT_PROF; } dev->profile = &profile[prof_sel]; - dev->pdev = pdev; - dev->event = mlx5_core_event; INIT_LIST_HEAD(&priv->ctx_list); spin_lock_init(&priv->ctx_lock); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index a5433e4..4a1f9d5 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -231,7 +231,7 @@ mlxsw_sp_span_entry_create(struct mlxsw_sp_port *port) span_entry->used = true; span_entry->id = index; - span_entry->ref_count = 0; + span_entry->ref_count = 1; span_entry->local_port = local_port; return span_entry; } @@ -270,6 +270,7 @@ static struct mlxsw_sp_span_entry span_entry = mlxsw_sp_span_entry_find(port); if (span_entry) { + /* Already exists, just take a reference */ span_entry->ref_count++; return span_entry; } @@ -280,6 +281,7 @@ static struct mlxsw_sp_span_entry static int mlxsw_sp_span_entry_put(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_span_entry *span_entry) { + WARN_ON(!span_entry->ref_count); if (--span_entry->ref_count == 0) mlxsw_sp_span_entry_destroy(mlxsw_sp, span_entry); return 0; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index 04a2bc7..cc1af19 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -115,7 +115,7 @@ struct mlxsw_sp_rif { struct mlxsw_sp_mid { struct list_head list; unsigned char addr[ETH_ALEN]; - u16 vid; + u16 fid; u16 mid; unsigned int ref_count; }; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index df31f38..164bd30 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -589,21 +589,22 @@ static int mlxsw_sp_vrs_init(struct mlxsw_sp *mlxsw_sp) return 0; } +static void mlxsw_sp_router_fib_flush(struct mlxsw_sp *mlxsw_sp); + static void mlxsw_sp_vrs_fini(struct mlxsw_sp *mlxsw_sp) { + mlxsw_sp_router_fib_flush(mlxsw_sp); kfree(mlxsw_sp->router.vrs); } struct mlxsw_sp_neigh_key { - unsigned char addr[sizeof(struct in6_addr)]; - struct net_device *dev; + struct neighbour *n; }; struct mlxsw_sp_neigh_entry { struct rhash_head ht_node; struct mlxsw_sp_neigh_key key; u16 rif; - struct neighbour *n; bool offloaded; struct delayed_work dw; struct mlxsw_sp_port *mlxsw_sp_port; @@ -641,19 +642,15 @@ mlxsw_sp_neigh_entry_remove(struct mlxsw_sp *mlxsw_sp, static void mlxsw_sp_router_neigh_update_hw(struct work_struct *work); static struct mlxsw_sp_neigh_entry * -mlxsw_sp_neigh_entry_create(const void *addr, size_t addr_len, - struct net_device *dev, u16 rif, - struct neighbour *n) +mlxsw_sp_neigh_entry_create(struct neighbour *n, u16 rif) { struct mlxsw_sp_neigh_entry *neigh_entry; neigh_entry = kzalloc(sizeof(*neigh_entry), GFP_ATOMIC); if (!neigh_entry) return NULL; - memcpy(neigh_entry->key.addr, addr, addr_len); - neigh_entry->key.dev = dev; + neigh_entry->key.n = n; neigh_entry->rif = rif; - neigh_entry->n = n; INIT_DELAYED_WORK(&neigh_entry->dw, mlxsw_sp_router_neigh_update_hw); INIT_LIST_HEAD(&neigh_entry->nexthop_list); return neigh_entry; @@ -666,13 +663,11 @@ mlxsw_sp_neigh_entry_destroy(struct mlxsw_sp_neigh_entry *neigh_entry) } static struct mlxsw_sp_neigh_entry * -mlxsw_sp_neigh_entry_lookup(struct mlxsw_sp *mlxsw_sp, const void *addr, - size_t addr_len, struct net_device *dev) +mlxsw_sp_neigh_entry_lookup(struct mlxsw_sp *mlxsw_sp, struct neighbour *n) { - struct mlxsw_sp_neigh_key key = {{ 0 } }; + struct mlxsw_sp_neigh_key key; - memcpy(key.addr, addr, addr_len); - key.dev = dev; + key.n = n; return rhashtable_lookup_fast(&mlxsw_sp->router.neigh_ht, &key, mlxsw_sp_neigh_ht_params); } @@ -684,26 +679,20 @@ int mlxsw_sp_router_neigh_construct(struct net_device *dev, struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct mlxsw_sp_neigh_entry *neigh_entry; struct mlxsw_sp_rif *r; - u32 dip; int err; if (n->tbl != &arp_tbl) return 0; - dip = ntohl(*((__be32 *) n->primary_key)); - neigh_entry = mlxsw_sp_neigh_entry_lookup(mlxsw_sp, &dip, sizeof(dip), - n->dev); - if (neigh_entry) { - WARN_ON(neigh_entry->n != n); + neigh_entry = mlxsw_sp_neigh_entry_lookup(mlxsw_sp, n); + if (neigh_entry) return 0; - } r = mlxsw_sp_rif_find_by_dev(mlxsw_sp, n->dev); if (WARN_ON(!r)) return -EINVAL; - neigh_entry = mlxsw_sp_neigh_entry_create(&dip, sizeof(dip), n->dev, - r->rif, n); + neigh_entry = mlxsw_sp_neigh_entry_create(n, r->rif); if (!neigh_entry) return -ENOMEM; err = mlxsw_sp_neigh_entry_insert(mlxsw_sp, neigh_entry); @@ -722,14 +711,11 @@ void mlxsw_sp_router_neigh_destroy(struct net_device *dev, struct mlxsw_sp_port *mlxsw_sp_port = netdev_priv(dev); struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct mlxsw_sp_neigh_entry *neigh_entry; - u32 dip; if (n->tbl != &arp_tbl) return; - dip = ntohl(*((__be32 *) n->primary_key)); - neigh_entry = mlxsw_sp_neigh_entry_lookup(mlxsw_sp, &dip, sizeof(dip), - n->dev); + neigh_entry = mlxsw_sp_neigh_entry_lookup(mlxsw_sp, n); if (!neigh_entry) return; mlxsw_sp_neigh_entry_remove(mlxsw_sp, neigh_entry); @@ -812,6 +798,26 @@ static void mlxsw_sp_router_neigh_rec_process(struct mlxsw_sp *mlxsw_sp, } } +static bool mlxsw_sp_router_rauhtd_is_full(char *rauhtd_pl) +{ + u8 num_rec, last_rec_index, num_entries; + + num_rec = mlxsw_reg_rauhtd_num_rec_get(rauhtd_pl); + last_rec_index = num_rec - 1; + + if (num_rec < MLXSW_REG_RAUHTD_REC_MAX_NUM) + return false; + if (mlxsw_reg_rauhtd_rec_type_get(rauhtd_pl, last_rec_index) == + MLXSW_REG_RAUHTD_TYPE_IPV6) + return true; + + num_entries = mlxsw_reg_rauhtd_ipv4_rec_num_entries_get(rauhtd_pl, + last_rec_index); + if (++num_entries == MLXSW_REG_RAUHTD_IPV4_ENT_PER_REC) + return true; + return false; +} + static int mlxsw_sp_router_neighs_update_rauhtd(struct mlxsw_sp *mlxsw_sp) { char *rauhtd_pl; @@ -838,7 +844,7 @@ static int mlxsw_sp_router_neighs_update_rauhtd(struct mlxsw_sp *mlxsw_sp) for (i = 0; i < num_rec; i++) mlxsw_sp_router_neigh_rec_process(mlxsw_sp, rauhtd_pl, i); - } while (num_rec); + } while (mlxsw_sp_router_rauhtd_is_full(rauhtd_pl)); rtnl_unlock(); kfree(rauhtd_pl); @@ -857,7 +863,7 @@ static void mlxsw_sp_router_neighs_update_nh(struct mlxsw_sp *mlxsw_sp) * is active regardless of the traffic. */ if (!list_empty(&neigh_entry->nexthop_list)) - neigh_event_send(neigh_entry->n, NULL); + neigh_event_send(neigh_entry->key.n, NULL); } rtnl_unlock(); } @@ -903,9 +909,9 @@ static void mlxsw_sp_router_probe_unresolved_nexthops(struct work_struct *work) rtnl_lock(); list_for_each_entry(neigh_entry, &mlxsw_sp->router.nexthop_neighs_list, nexthop_neighs_list_node) { - if (!(neigh_entry->n->nud_state & NUD_VALID) && + if (!(neigh_entry->key.n->nud_state & NUD_VALID) && !list_empty(&neigh_entry->nexthop_list)) - neigh_event_send(neigh_entry->n, NULL); + neigh_event_send(neigh_entry->key.n, NULL); } rtnl_unlock(); @@ -922,7 +928,7 @@ static void mlxsw_sp_router_neigh_update_hw(struct work_struct *work) { struct mlxsw_sp_neigh_entry *neigh_entry = container_of(work, struct mlxsw_sp_neigh_entry, dw.work); - struct neighbour *n = neigh_entry->n; + struct neighbour *n = neigh_entry->key.n; struct mlxsw_sp_port *mlxsw_sp_port = neigh_entry->mlxsw_sp_port; struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; char rauht_pl[MLXSW_REG_RAUHT_LEN]; @@ -1025,11 +1031,8 @@ int mlxsw_sp_router_netevent_event(struct notifier_block *unused, mlxsw_sp = mlxsw_sp_port->mlxsw_sp; dip = ntohl(*((__be32 *) n->primary_key)); - neigh_entry = mlxsw_sp_neigh_entry_lookup(mlxsw_sp, - &dip, - sizeof(__be32), - dev); - if (WARN_ON(!neigh_entry) || WARN_ON(neigh_entry->n != n)) { + neigh_entry = mlxsw_sp_neigh_entry_lookup(mlxsw_sp, n); + if (WARN_ON(!neigh_entry)) { mlxsw_sp_port_dev_put(mlxsw_sp_port); return NOTIFY_DONE; } @@ -1338,33 +1341,26 @@ static int mlxsw_sp_nexthop_init(struct mlxsw_sp *mlxsw_sp, struct fib_nh *fib_nh) { struct mlxsw_sp_neigh_entry *neigh_entry; - u32 gwip = ntohl(fib_nh->nh_gw); struct net_device *dev = fib_nh->nh_dev; struct neighbour *n; u8 nud_state; - neigh_entry = mlxsw_sp_neigh_entry_lookup(mlxsw_sp, &gwip, - sizeof(gwip), dev); - if (!neigh_entry) { - __be32 gwipn = htonl(gwip); - - n = neigh_create(&arp_tbl, &gwipn, dev); + /* Take a reference of neigh here ensuring that neigh would + * not be detructed before the nexthop entry is finished. + * The reference is taken either in neigh_lookup() or + * in neith_create() in case n is not found. + */ + n = neigh_lookup(&arp_tbl, &fib_nh->nh_gw, dev); + if (!n) { + n = neigh_create(&arp_tbl, &fib_nh->nh_gw, dev); if (IS_ERR(n)) return PTR_ERR(n); neigh_event_send(n, NULL); - neigh_entry = mlxsw_sp_neigh_entry_lookup(mlxsw_sp, &gwip, - sizeof(gwip), dev); - if (!neigh_entry) { - neigh_release(n); - return -EINVAL; - } - } else { - /* Take a reference of neigh here ensuring that neigh would - * not be detructed before the nexthop entry is finished. - * The second branch takes the reference in neith_create() - */ - n = neigh_entry->n; - neigh_clone(n); + } + neigh_entry = mlxsw_sp_neigh_entry_lookup(mlxsw_sp, n); + if (!neigh_entry) { + neigh_release(n); + return -EINVAL; } /* If that is the first nexthop connected to that neigh, add to @@ -1398,7 +1394,7 @@ static void mlxsw_sp_nexthop_fini(struct mlxsw_sp *mlxsw_sp, if (list_empty(&nh->neigh_entry->nexthop_list)) list_del(&nh->neigh_entry->nexthop_neighs_list_node); - neigh_release(neigh_entry->n); + neigh_release(neigh_entry->key.n); } static struct mlxsw_sp_nexthop_group * @@ -1458,11 +1454,11 @@ static bool mlxsw_sp_nexthop_match(struct mlxsw_sp_nexthop *nh, for (i = 0; i < fi->fib_nhs; i++) { struct fib_nh *fib_nh = &fi->fib_nh[i]; - u32 gwip = ntohl(fib_nh->nh_gw); + struct neighbour *n = nh->neigh_entry->key.n; - if (memcmp(nh->neigh_entry->key.addr, - &gwip, sizeof(u32)) == 0 && - nh->neigh_entry->key.dev == fib_nh->nh_dev) + if (memcmp(n->primary_key, &fib_nh->nh_gw, + sizeof(fib_nh->nh_gw)) == 0 && + n->dev == fib_nh->nh_dev) return true; } return false; @@ -1869,19 +1865,19 @@ static int mlxsw_sp_router_set_abort_trap(struct mlxsw_sp *mlxsw_sp) return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ralue), ralue_pl); } -static void mlxsw_sp_router_fib4_abort(struct mlxsw_sp *mlxsw_sp) +static void mlxsw_sp_router_fib_flush(struct mlxsw_sp *mlxsw_sp) { struct mlxsw_sp_fib_entry *fib_entry; struct mlxsw_sp_fib_entry *tmp; struct mlxsw_sp_vr *vr; int i; - int err; if (mlxsw_sp->router.aborted) return; dev_warn(mlxsw_sp->bus_info->dev, "FIB abort triggered. Note that FIB entries are no longer being offloaded to this device.\n"); for (i = 0; i < MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_VRS); i++) { vr = &mlxsw_sp->router.vrs[i]; + if (!vr->used) continue; @@ -1897,6 +1893,13 @@ static void mlxsw_sp_router_fib4_abort(struct mlxsw_sp *mlxsw_sp) break; } } +} + +static void mlxsw_sp_router_fib4_abort(struct mlxsw_sp *mlxsw_sp) +{ + int err; + + mlxsw_sp_router_fib_flush(mlxsw_sp); mlxsw_sp->router.aborted = true; err = mlxsw_sp_router_set_abort_trap(mlxsw_sp); if (err) @@ -1952,6 +1955,9 @@ static int mlxsw_sp_router_fib_event(struct notifier_block *nb, struct fib_entry_notifier_info *fen_info = ptr; int err; + if (!net_eq(fen_info->info.net, &init_net)) + return NOTIFY_DONE; + switch (event) { case FIB_EVENT_ENTRY_ADD: err = mlxsw_sp_router_fib4_add(mlxsw_sp, fen_info); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index b19552a7..b87ba7d 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -929,12 +929,12 @@ static int mlxsw_sp_port_smid_set(struct mlxsw_sp_port *mlxsw_sp_port, u16 mid, static struct mlxsw_sp_mid *__mlxsw_sp_mc_get(struct mlxsw_sp *mlxsw_sp, const unsigned char *addr, - u16 vid) + u16 fid) { struct mlxsw_sp_mid *mid; list_for_each_entry(mid, &mlxsw_sp->br_mids.list, list) { - if (ether_addr_equal(mid->addr, addr) && mid->vid == vid) + if (ether_addr_equal(mid->addr, addr) && mid->fid == fid) return mid; } return NULL; @@ -942,7 +942,7 @@ static struct mlxsw_sp_mid *__mlxsw_sp_mc_get(struct mlxsw_sp *mlxsw_sp, static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp, const unsigned char *addr, - u16 vid) + u16 fid) { struct mlxsw_sp_mid *mid; u16 mid_idx; @@ -958,7 +958,7 @@ static struct mlxsw_sp_mid *__mlxsw_sp_mc_alloc(struct mlxsw_sp *mlxsw_sp, set_bit(mid_idx, mlxsw_sp->br_mids.mapped); ether_addr_copy(mid->addr, addr); - mid->vid = vid; + mid->fid = fid; mid->mid = mid_idx; mid->ref_count = 0; list_add_tail(&mid->list, &mlxsw_sp->br_mids.list); @@ -991,9 +991,9 @@ static int mlxsw_sp_port_mdb_add(struct mlxsw_sp_port *mlxsw_sp_port, if (switchdev_trans_ph_prepare(trans)) return 0; - mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, mdb->vid); + mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, fid); if (!mid) { - mid = __mlxsw_sp_mc_alloc(mlxsw_sp, mdb->addr, mdb->vid); + mid = __mlxsw_sp_mc_alloc(mlxsw_sp, mdb->addr, fid); if (!mid) { netdev_err(dev, "Unable to allocate MC group\n"); return -ENOMEM; @@ -1137,7 +1137,7 @@ static int mlxsw_sp_port_mdb_del(struct mlxsw_sp_port *mlxsw_sp_port, u16 mid_idx; int err = 0; - mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, mdb->vid); + mid = __mlxsw_sp_mc_get(mlxsw_sp, mdb->addr, fid); if (!mid) { netdev_err(dev, "Unable to remove port from MC DB\n"); return -EINVAL; diff --git a/drivers/net/ethernet/qlogic/qed/qed_hsi.h b/drivers/net/ethernet/qlogic/qed/qed_hsi.h index f5a4ebb..785ab03 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_hsi.h +++ b/drivers/net/ethernet/qlogic/qed/qed_hsi.h @@ -727,9 +727,6 @@ struct core_tx_bd_flags { #define CORE_TX_BD_FLAGS_L4_PROTOCOL_SHIFT 6 #define CORE_TX_BD_FLAGS_L4_PSEUDO_CSUM_MODE_MASK 0x1 #define CORE_TX_BD_FLAGS_L4_PSEUDO_CSUM_MODE_SHIFT 7 -#define CORE_TX_BD_FLAGS_ROCE_FLAV_MASK 0x1 -#define CORE_TX_BD_FLAGS_ROCE_FLAV_SHIFT 12 - }; struct core_tx_bd { diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c index 63e1a1b..f95385c 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c @@ -1119,6 +1119,7 @@ static void qed_ll2_prepare_tx_packet_set_bd(struct qed_hwfn *p_hwfn, start_bd->bd_flags.as_bitfield |= CORE_TX_BD_FLAGS_START_BD_MASK << CORE_TX_BD_FLAGS_START_BD_SHIFT; SET_FIELD(start_bd->bitfield0, CORE_TX_BD_NBDS, num_of_bds); + SET_FIELD(start_bd->bitfield0, CORE_TX_BD_ROCE_FLAV, type); DMA_REGPAIR_LE(start_bd->addr, first_frag); start_bd->nbytes = cpu_to_le16(first_frag_len); diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c index b71d73a..aeb98d8 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_main.c +++ b/drivers/net/ethernet/qlogic/qed/qed_main.c @@ -845,20 +845,19 @@ static void qed_update_pf_params(struct qed_dev *cdev, { int i; + if (IS_ENABLED(CONFIG_QED_RDMA)) { + params->rdma_pf_params.num_qps = QED_ROCE_QPS; + params->rdma_pf_params.min_dpis = QED_ROCE_DPIS; + /* divide by 3 the MRs to avoid MF ILT overflow */ + params->rdma_pf_params.num_mrs = RDMA_MAX_TIDS; + params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX; + } + for (i = 0; i < cdev->num_hwfns; i++) { struct qed_hwfn *p_hwfn = &cdev->hwfns[i]; p_hwfn->pf_params = *params; } - - if (!IS_ENABLED(CONFIG_QED_RDMA)) - return; - - params->rdma_pf_params.num_qps = QED_ROCE_QPS; - params->rdma_pf_params.min_dpis = QED_ROCE_DPIS; - /* divide by 3 the MRs to avoid MF ILT overflow */ - params->rdma_pf_params.num_mrs = RDMA_MAX_TIDS; - params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX; } static int qed_slowpath_start(struct qed_dev *cdev, diff --git a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c index fe7e7b8..8a3debe 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_ethtool.c +++ b/drivers/net/ethernet/qlogic/qede/qede_ethtool.c @@ -177,16 +177,23 @@ static void qede_get_strings_stats(struct qede_dev *edev, u8 *buf) for (i = 0, k = 0; i < QEDE_QUEUE_CNT(edev); i++) { int tc; - for (j = 0; j < QEDE_NUM_RQSTATS; j++) - sprintf(buf + (k + j) * ETH_GSTRING_LEN, - "%d: %s", i, qede_rqstats_arr[j].string); - k += QEDE_NUM_RQSTATS; - for (tc = 0; tc < edev->num_tc; tc++) { - for (j = 0; j < QEDE_NUM_TQSTATS; j++) + if (edev->fp_array[i].type & QEDE_FASTPATH_RX) { + for (j = 0; j < QEDE_NUM_RQSTATS; j++) sprintf(buf + (k + j) * ETH_GSTRING_LEN, - "%d.%d: %s", i, tc, - qede_tqstats_arr[j].string); - k += QEDE_NUM_TQSTATS; + "%d: %s", i, + qede_rqstats_arr[j].string); + k += QEDE_NUM_RQSTATS; + } + + if (edev->fp_array[i].type & QEDE_FASTPATH_TX) { + for (tc = 0; tc < edev->num_tc; tc++) { + for (j = 0; j < QEDE_NUM_TQSTATS; j++) + sprintf(buf + (k + j) * + ETH_GSTRING_LEN, + "%d.%d: %s", i, tc, + qede_tqstats_arr[j].string); + k += QEDE_NUM_TQSTATS; + } } } diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index df02c45..b84a2c4 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -2915,7 +2915,7 @@ static int qede_alloc_sge_mem(struct qede_dev *edev, struct qede_rx_queue *rxq) } mapping = dma_map_page(&edev->pdev->dev, replace_buf->data, 0, - rxq->rx_buf_size, DMA_FROM_DEVICE); + PAGE_SIZE, DMA_FROM_DEVICE); if (unlikely(dma_mapping_error(&edev->pdev->dev, mapping))) { DP_NOTICE(edev, "Failed to map TPA replacement buffer\n"); diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.c b/drivers/net/ethernet/qualcomm/emac/emac-mac.c index 6fb3bee..0b4deb3 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-mac.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.c @@ -575,10 +575,11 @@ void emac_mac_start(struct emac_adapter *adpt) mac |= TXEN | RXEN; /* enable RX/TX */ - /* We don't have ethtool support yet, so force flow-control mode - * to 'full' always. - */ - mac |= TXFC | RXFC; + /* Configure MAC flow control to match the PHY's settings. */ + if (phydev->pause) + mac |= RXFC; + if (phydev->pause != phydev->asym_pause) + mac |= TXFC; /* setup link speed */ mac &= ~SPEED_MASK; @@ -1003,6 +1004,12 @@ int emac_mac_up(struct emac_adapter *adpt) writel((u32)~DIS_INT, adpt->base + EMAC_INT_STATUS); writel(adpt->irq.mask, adpt->base + EMAC_INT_MASK); + /* Enable pause frames. Without this feature, the EMAC has been shown + * to receive (and drop) frames with FCS errors at gigabit connections. + */ + adpt->phydev->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; + adpt->phydev->advertising |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; + adpt->phydev->irq = PHY_IGNORE_INTERRUPT; phy_start(adpt->phydev); diff --git a/drivers/net/ethernet/qualcomm/emac/emac-sgmii.c b/drivers/net/ethernet/qualcomm/emac/emac-sgmii.c index 75c1b53..72fe343 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-sgmii.c +++ b/drivers/net/ethernet/qualcomm/emac/emac-sgmii.c @@ -421,7 +421,7 @@ static const struct emac_reg_write sgmii_v2_laned[] = { /* CDR Settings */ {EMAC_SGMII_LN_UCDR_FO_GAIN_MODE0, UCDR_STEP_BY_TWO_MODE0 | UCDR_xO_GAIN_MODE(10)}, - {EMAC_SGMII_LN_UCDR_SO_GAIN_MODE0, UCDR_xO_GAIN_MODE(6)}, + {EMAC_SGMII_LN_UCDR_SO_GAIN_MODE0, UCDR_xO_GAIN_MODE(0)}, {EMAC_SGMII_LN_UCDR_SO_CONFIG, UCDR_ENABLE | UCDR_SO_SATURATION(12)}, /* TX/RX Settings */ diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index b626da6..649bc50 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -485,6 +485,9 @@ efx_copy_channel(const struct efx_channel *old_channel) *channel = *old_channel; channel->napi_dev = NULL; + INIT_HLIST_NODE(&channel->napi_str.napi_hash_node); + channel->napi_str.napi_id = 0; + channel->napi_str.state = 0; memset(&channel->eventq, 0, sizeof(channel->eventq)); for (j = 0; j < EFX_TXQ_TYPES; j++) { diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 10909c9..03dbf8e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -882,6 +882,13 @@ static int stmmac_init_phy(struct net_device *dev) return -ENODEV; } + /* stmmac_adjust_link will change this to PHY_IGNORE_INTERRUPT to avoid + * subsequent PHY polling, make sure we force a link transition if + * we have a UP/DOWN/UP transition + */ + if (phydev->is_pseudo_fixed_link) + phydev->irq = PHY_POLL; + pr_debug("stmmac_init_phy: %s: attached to PHY (UID 0x%x)" " Link = %d\n", dev->name, phydev->phy_id, phydev->link); diff --git a/drivers/net/ethernet/ti/cpsw-phy-sel.c b/drivers/net/ethernet/ti/cpsw-phy-sel.c index 054a8dd..ba1e45f 100644 --- a/drivers/net/ethernet/ti/cpsw-phy-sel.c +++ b/drivers/net/ethernet/ti/cpsw-phy-sel.c @@ -176,9 +176,12 @@ void cpsw_phy_sel(struct device *dev, phy_interface_t phy_mode, int slave) } dev = bus_find_device(&platform_bus_type, NULL, node, match); + of_node_put(node); priv = dev_get_drvdata(dev); priv->cpsw_phy_sel(priv, phy_mode, slave); + + put_device(dev); } EXPORT_SYMBOL_GPL(cpsw_phy_sel); diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index 2fd94a5..84fbe57 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -1410,6 +1410,7 @@ static int emac_dev_open(struct net_device *ndev) int i = 0; struct emac_priv *priv = netdev_priv(ndev); struct phy_device *phydev = NULL; + struct device *phy = NULL; ret = pm_runtime_get_sync(&priv->pdev->dev); if (ret < 0) { @@ -1488,19 +1489,20 @@ static int emac_dev_open(struct net_device *ndev) /* use the first phy on the bus if pdata did not give us a phy id */ if (!phydev && !priv->phy_id) { - struct device *phy; - phy = bus_find_device(&mdio_bus_type, NULL, NULL, match_first_device); - if (phy) + if (phy) { priv->phy_id = dev_name(phy); + if (!priv->phy_id || !*priv->phy_id) + put_device(phy); + } } if (!phydev && priv->phy_id && *priv->phy_id) { phydev = phy_connect(ndev, priv->phy_id, &emac_adjust_link, PHY_INTERFACE_MODE_MII); - + put_device(phy); /* reference taken by bus_find_device */ if (IS_ERR(phydev)) { dev_err(emac_dev, "could not connect to phy %s\n", priv->phy_id); diff --git a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c index b3abd02..eed18f8 100644 --- a/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c +++ b/drivers/net/ethernet/toshiba/ps3_gelic_wireless.c @@ -1694,7 +1694,7 @@ struct gelic_wl_scan_info *gelic_wl_find_best_bss(struct gelic_wl_info *wl) pr_debug("%s: bssid matched\n", __func__); break; } else { - pr_debug("%s: bssid unmached\n", __func__); + pr_debug("%s: bssid unmatched\n", __func__); continue; } } diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c index 46cc33b..07d862d 100644 --- a/drivers/net/ethernet/xscale/ixp4xx_eth.c +++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c @@ -708,8 +708,7 @@ static int eth_poll(struct napi_struct *napi, int budget) if (!qmgr_stat_below_low_watermark(rxq) && napi_reschedule(napi)) { /* not empty again */ #if DEBUG_RX - printk(KERN_DEBUG "%s: eth_poll" - " napi_reschedule successed\n", + printk(KERN_DEBUG "%s: eth_poll napi_reschedule succeeded\n", dev->name); #endif qmgr_disable_irq(rxq); diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index d0361f3..13b7e0b 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -1280,6 +1280,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, struct net_device *lowerdev; int err; int macmode; + bool create = false; if (!tb[IFLA_LINK]) return -EINVAL; @@ -1310,12 +1311,18 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, err = macvlan_port_create(lowerdev); if (err < 0) return err; + create = true; } port = macvlan_port_get_rtnl(lowerdev); /* Only 1 macvlan device can be created in passthru mode */ - if (port->passthru) - return -EINVAL; + if (port->passthru) { + /* The macvlan port must be not created this time, + * still goto destroy_macvlan_port for readability. + */ + err = -EINVAL; + goto destroy_macvlan_port; + } vlan->lowerdev = lowerdev; vlan->dev = dev; @@ -1331,24 +1338,28 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, vlan->flags = nla_get_u16(data[IFLA_MACVLAN_FLAGS]); if (vlan->mode == MACVLAN_MODE_PASSTHRU) { - if (port->count) - return -EINVAL; + if (port->count) { + err = -EINVAL; + goto destroy_macvlan_port; + } port->passthru = true; eth_hw_addr_inherit(dev, lowerdev); } if (data && data[IFLA_MACVLAN_MACADDR_MODE]) { - if (vlan->mode != MACVLAN_MODE_SOURCE) - return -EINVAL; + if (vlan->mode != MACVLAN_MODE_SOURCE) { + err = -EINVAL; + goto destroy_macvlan_port; + } macmode = nla_get_u32(data[IFLA_MACVLAN_MACADDR_MODE]); err = macvlan_changelink_sources(vlan, macmode, data); if (err) - return err; + goto destroy_macvlan_port; } err = register_netdevice(dev); if (err < 0) - return err; + goto destroy_macvlan_port; dev->priv_flags |= IFF_MACVLAN; err = netdev_upper_dev_link(lowerdev, dev); @@ -1363,7 +1374,9 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev, unregister_netdev: unregister_netdevice(dev); - +destroy_macvlan_port: + if (create) + macvlan_port_destroy(port->dev); return err; } EXPORT_SYMBOL_GPL(macvlan_common_newlink); diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 49a1c98..9e8f048 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -724,6 +724,7 @@ struct phy_device *phy_connect(struct net_device *dev, const char *bus_id, phydev = to_phy_device(d); rc = phy_connect_direct(dev, phydev, handler, interface); + put_device(d); if (rc) return ERR_PTR(rc); @@ -956,6 +957,7 @@ struct phy_device *phy_attach(struct net_device *dev, const char *bus_id, phydev = to_phy_device(d); rc = phy_attach_direct(dev, phydev, phydev->dev_flags, interface); + put_device(d); if (rc) return ERR_PTR(rc); diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c index 36c70d6..a3a7db0 100644 --- a/drivers/net/usb/ax88179_178a.c +++ b/drivers/net/usb/ax88179_178a.c @@ -1654,6 +1654,19 @@ static const struct driver_info ax88178a_info = { .tx_fixup = ax88179_tx_fixup, }; +static const struct driver_info cypress_GX3_info = { + .description = "Cypress GX3 SuperSpeed to Gigabit Ethernet Controller", + .bind = ax88179_bind, + .unbind = ax88179_unbind, + .status = ax88179_status, + .link_reset = ax88179_link_reset, + .reset = ax88179_reset, + .stop = ax88179_stop, + .flags = FLAG_ETHER | FLAG_FRAMING_AX, + .rx_fixup = ax88179_rx_fixup, + .tx_fixup = ax88179_tx_fixup, +}; + static const struct driver_info dlink_dub1312_info = { .description = "D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter", .bind = ax88179_bind, @@ -1716,6 +1729,10 @@ static const struct usb_device_id products[] = { USB_DEVICE(0x0b95, 0x178a), .driver_info = (unsigned long)&ax88178a_info, }, { + /* Cypress GX3 SuperSpeed to Gigabit Ethernet Bridge Controller */ + USB_DEVICE(0x04b4, 0x3610), + .driver_info = (unsigned long)&cypress_GX3_info, +}, { /* D-Link DUB-1312 USB 3.0 to Gigabit Ethernet Adapter */ USB_DEVICE(0x2001, 0x4a00), .driver_info = (unsigned long)&dlink_dub1312_info, diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 4213c28..7dc6122 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1730,7 +1730,7 @@ static u8 r8152_rx_csum(struct r8152 *tp, struct rx_desc *rx_desc) u8 checksum = CHECKSUM_NONE; u32 opts2, opts3; - if (tp->version == RTL_VER_01) + if (tp->version == RTL_VER_01 || tp->version == RTL_VER_02) goto return_result; opts2 = le32_to_cpu(rx_desc->opts2); @@ -1745,7 +1745,7 @@ static u8 r8152_rx_csum(struct r8152 *tp, struct rx_desc *rx_desc) checksum = CHECKSUM_NONE; else checksum = CHECKSUM_UNNECESSARY; - } else if (RD_IPV6_CS) { + } else if (opts2 & RD_IPV6_CS) { if ((opts2 & RD_UDP_CS) && !(opts3 & UDPF)) checksum = CHECKSUM_UNNECESSARY; else if ((opts2 & RD_TCP_CS) && !(opts3 & TCPF)) @@ -3266,10 +3266,8 @@ static int rtl8152_open(struct net_device *netdev) goto out; res = usb_autopm_get_interface(tp->intf); - if (res < 0) { - free_all_mem(tp); - goto out; - } + if (res < 0) + goto out_free; mutex_lock(&tp->control); @@ -3285,10 +3283,9 @@ static int rtl8152_open(struct net_device *netdev) netif_device_detach(tp->netdev); netif_warn(tp, ifup, netdev, "intr_urb submit failed: %d\n", res); - free_all_mem(tp); - } else { - napi_enable(&tp->napi); + goto out_unlock; } + napi_enable(&tp->napi); mutex_unlock(&tp->control); @@ -3297,7 +3294,13 @@ static int rtl8152_open(struct net_device *netdev) tp->pm_notifier.notifier_call = rtl_notifier; register_pm_notifier(&tp->pm_notifier); #endif + return 0; +out_unlock: + mutex_unlock(&tp->control); + usb_autopm_put_interface(tp->intf); +out_free: + free_all_mem(tp); out: return res; } diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 2cafd12..ca5239a 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2037,23 +2037,33 @@ static struct virtio_device_id id_table[] = { { 0 }, }; +#define VIRTNET_FEATURES \ + VIRTIO_NET_F_CSUM, VIRTIO_NET_F_GUEST_CSUM, \ + VIRTIO_NET_F_MAC, \ + VIRTIO_NET_F_HOST_TSO4, VIRTIO_NET_F_HOST_UFO, VIRTIO_NET_F_HOST_TSO6, \ + VIRTIO_NET_F_HOST_ECN, VIRTIO_NET_F_GUEST_TSO4, VIRTIO_NET_F_GUEST_TSO6, \ + VIRTIO_NET_F_GUEST_ECN, VIRTIO_NET_F_GUEST_UFO, \ + VIRTIO_NET_F_MRG_RXBUF, VIRTIO_NET_F_STATUS, VIRTIO_NET_F_CTRL_VQ, \ + VIRTIO_NET_F_CTRL_RX, VIRTIO_NET_F_CTRL_VLAN, \ + VIRTIO_NET_F_GUEST_ANNOUNCE, VIRTIO_NET_F_MQ, \ + VIRTIO_NET_F_CTRL_MAC_ADDR, \ + VIRTIO_NET_F_MTU + static unsigned int features[] = { - VIRTIO_NET_F_CSUM, VIRTIO_NET_F_GUEST_CSUM, - VIRTIO_NET_F_GSO, VIRTIO_NET_F_MAC, - VIRTIO_NET_F_HOST_TSO4, VIRTIO_NET_F_HOST_UFO, VIRTIO_NET_F_HOST_TSO6, - VIRTIO_NET_F_HOST_ECN, VIRTIO_NET_F_GUEST_TSO4, VIRTIO_NET_F_GUEST_TSO6, - VIRTIO_NET_F_GUEST_ECN, VIRTIO_NET_F_GUEST_UFO, - VIRTIO_NET_F_MRG_RXBUF, VIRTIO_NET_F_STATUS, VIRTIO_NET_F_CTRL_VQ, - VIRTIO_NET_F_CTRL_RX, VIRTIO_NET_F_CTRL_VLAN, - VIRTIO_NET_F_GUEST_ANNOUNCE, VIRTIO_NET_F_MQ, - VIRTIO_NET_F_CTRL_MAC_ADDR, + VIRTNET_FEATURES, +}; + +static unsigned int features_legacy[] = { + VIRTNET_FEATURES, + VIRTIO_NET_F_GSO, VIRTIO_F_ANY_LAYOUT, - VIRTIO_NET_F_MTU, }; static struct virtio_driver virtio_net_driver = { .feature_table = features, .feature_table_size = ARRAY_SIZE(features), + .feature_table_legacy = features_legacy, + .feature_table_size_legacy = ARRAY_SIZE(features_legacy), .driver.name = KBUILD_MODNAME, .driver.owner = THIS_MODULE, .id_table = id_table, diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index cb5cc7c..5264c1a 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -944,7 +944,9 @@ static bool vxlan_group_used(struct vxlan_net *vn, struct vxlan_dev *dev) { struct vxlan_dev *vxlan; struct vxlan_sock *sock4; - struct vxlan_sock *sock6 = NULL; +#if IS_ENABLED(CONFIG_IPV6) + struct vxlan_sock *sock6; +#endif unsigned short family = dev->default_dst.remote_ip.sa.sa_family; sock4 = rtnl_dereference(dev->vn4_sock); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index 2295336..cf267f9 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -4518,7 +4518,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, /* store current 11d setting */ if (brcmf_fil_cmd_int_get(ifp, BRCMF_C_GET_REGULATORY, &ifp->vif->is_11d)) { - supports_11d = false; + is_11d = supports_11d = false; } else { country_ie = brcmf_parse_tlvs((u8 *)settings->beacon.tail, settings->beacon.tail_len, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 4fdc3da..b88e204 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -1087,6 +1087,15 @@ iwl_mvm_netdetect_config(struct iwl_mvm *mvm, ret = iwl_mvm_switch_to_d3(mvm); if (ret) return ret; + } else { + /* In theory, we wouldn't have to stop a running sched + * scan in order to start another one (for + * net-detect). But in practice this doesn't seem to + * work properly, so stop any running sched_scan now. + */ + ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, true); + if (ret) + return ret; } /* rfkill release can be either for wowlan or netdetect */ @@ -1254,7 +1263,10 @@ static int __iwl_mvm_suspend(struct ieee80211_hw *hw, out: if (ret < 0) { iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN); - ieee80211_restart_hw(mvm->hw); + if (mvm->restart_fw > 0) { + mvm->restart_fw--; + ieee80211_restart_hw(mvm->hw); + } iwl_mvm_free_nd(mvm); } out_noreset: @@ -2088,6 +2100,16 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm, bool test) iwl_mvm_update_changed_regdom(mvm); if (mvm->net_detect) { + /* If this is a non-unified image, we restart the FW, + * so no need to stop the netdetect scan. If that + * fails, continue and try to get the wake-up reasons, + * but trigger a HW restart by keeping a failure code + * in ret. + */ + if (unified_image) + ret = iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_NETDETECT, + false); + iwl_mvm_query_netdetect_reasons(mvm, vif); /* has unlocked the mutex, so skip that */ goto out; @@ -2271,7 +2293,8 @@ static void iwl_mvm_d3_test_disconn_work_iter(void *_data, u8 *mac, static int iwl_mvm_d3_test_release(struct inode *inode, struct file *file) { struct iwl_mvm *mvm = inode->i_private; - int remaining_time = 10; + bool unified_image = fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); mvm->d3_test_active = false; @@ -2282,17 +2305,21 @@ static int iwl_mvm_d3_test_release(struct inode *inode, struct file *file) mvm->trans->system_pm_mode = IWL_PLAT_PM_MODE_DISABLED; iwl_abort_notification_waits(&mvm->notif_wait); - ieee80211_restart_hw(mvm->hw); + if (!unified_image) { + int remaining_time = 10; - /* wait for restart and disconnect all interfaces */ - while (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && - remaining_time > 0) { - remaining_time--; - msleep(1000); - } + ieee80211_restart_hw(mvm->hw); + + /* wait for restart and disconnect all interfaces */ + while (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) && + remaining_time > 0) { + remaining_time--; + msleep(1000); + } - if (remaining_time == 0) - IWL_ERR(mvm, "Timed out waiting for HW restart to finish!\n"); + if (remaining_time == 0) + IWL_ERR(mvm, "Timed out waiting for HW restart!\n"); + } ieee80211_iterate_active_interfaces_atomic( mvm->hw, IEEE80211_IFACE_ITER_NORMAL, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index 07da4ef..7b7d2a1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -1529,8 +1529,8 @@ static ssize_t iwl_dbgfs_mem_read(struct file *file, char __user *user_buf, .data = { &cmd, }, .len = { sizeof(cmd) }, }; - size_t delta, len; - ssize_t ret; + size_t delta; + ssize_t ret, len; hcmd.id = iwl_cmd_id(*ppos >> 24 ? UMAC_RD_WR : LMAC_RD_WR, DEBUG_GROUP, 0); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 318efd8..1db1dc1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -4121,7 +4121,6 @@ void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, struct iwl_mvm_internal_rxq_notif *notif, u32 size) { - DECLARE_WAIT_QUEUE_HEAD_ONSTACK(notif_waitq); u32 qmask = BIT(mvm->trans->num_rx_queues) - 1; int ret; @@ -4143,7 +4142,7 @@ void iwl_mvm_sync_rx_queues_internal(struct iwl_mvm *mvm, } if (notif->sync) - ret = wait_event_timeout(notif_waitq, + ret = wait_event_timeout(mvm->rx_sync_waitq, atomic_read(&mvm->queue_sync_counter) == 0, HZ); WARN_ON_ONCE(!ret); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index d17cbf6..c60703e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -937,6 +937,7 @@ struct iwl_mvm { /* sync d0i3_tx queue and IWL_MVM_STATUS_IN_D0I3 status flag */ spinlock_t d0i3_tx_lock; wait_queue_head_t d0i3_exit_waitq; + wait_queue_head_t rx_sync_waitq; /* BT-Coex */ struct iwl_bt_coex_profile_notif last_bt_notif; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 05fe6dd..4d35deb 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -619,6 +619,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, spin_lock_init(&mvm->refs_lock); skb_queue_head_init(&mvm->d0i3_tx); init_waitqueue_head(&mvm->d0i3_exit_waitq); + init_waitqueue_head(&mvm->rx_sync_waitq); atomic_set(&mvm->queue_sync_counter, 0); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index a57c6ef..6c802ce 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -547,7 +547,8 @@ void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb, "Received expired RX queue sync message\n"); return; } - atomic_dec(&mvm->queue_sync_counter); + if (!atomic_dec_return(&mvm->queue_sync_counter)) + wake_up(&mvm->rx_sync_waitq); } switch (internal_notif->type) { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index f279fdd..fa97432 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -1199,6 +1199,9 @@ static int iwl_mvm_num_scans(struct iwl_mvm *mvm) static int iwl_mvm_check_running_scans(struct iwl_mvm *mvm, int type) { + bool unified_image = fw_has_capa(&mvm->fw->ucode_capa, + IWL_UCODE_TLV_CAPA_CNSLDTD_D3_D0_IMG); + /* This looks a bit arbitrary, but the idea is that if we run * out of possible simultaneous scans and the userspace is * trying to run a scan type that is already running, we @@ -1225,12 +1228,30 @@ static int iwl_mvm_check_running_scans(struct iwl_mvm *mvm, int type) return -EBUSY; return iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, true); case IWL_MVM_SCAN_NETDETECT: - /* No need to stop anything for net-detect since the - * firmware is restarted anyway. This way, any sched - * scans that were running will be restarted when we - * resume. - */ - return 0; + /* For non-unified images, there's no need to stop + * anything for net-detect since the firmware is + * restarted anyway. This way, any sched scans that + * were running will be restarted when we resume. + */ + if (!unified_image) + return 0; + + /* If this is a unified image and we ran out of scans, + * we need to stop something. Prefer stopping regular + * scans, because the results are useless at this + * point, and we should be able to keep running + * another scheduled scan while suspended. + */ + if (mvm->scan_status & IWL_MVM_SCAN_REGULAR_MASK) + return iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_REGULAR, + true); + if (mvm->scan_status & IWL_MVM_SCAN_SCHED_MASK) + return iwl_mvm_scan_stop(mvm, IWL_MVM_SCAN_SCHED, + true); + + /* fall through, something is wrong if no scan was + * running but we ran out of scans. + */ default: WARN_ON(1); break; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 001be40..2f8134b 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -541,48 +541,64 @@ static const struct pci_device_id iwl_hw_card_ids[] = { MODULE_DEVICE_TABLE(pci, iwl_hw_card_ids); #ifdef CONFIG_ACPI -#define SPL_METHOD "SPLC" -#define SPL_DOMAINTYPE_MODULE BIT(0) -#define SPL_DOMAINTYPE_WIFI BIT(1) -#define SPL_DOMAINTYPE_WIGIG BIT(2) -#define SPL_DOMAINTYPE_RFEM BIT(3) +#define ACPI_SPLC_METHOD "SPLC" +#define ACPI_SPLC_DOMAIN_WIFI (0x07) -static u64 splx_get_pwr_limit(struct iwl_trans *trans, union acpi_object *splx) +static u64 splc_get_pwr_limit(struct iwl_trans *trans, union acpi_object *splc) { - union acpi_object *limits, *domain_type, *power_limit; - - if (splx->type != ACPI_TYPE_PACKAGE || - splx->package.count != 2 || - splx->package.elements[0].type != ACPI_TYPE_INTEGER || - splx->package.elements[0].integer.value != 0) { - IWL_ERR(trans, "Unsupported splx structure\n"); + union acpi_object *data_pkg, *dflt_pwr_limit; + int i; + + /* We need at least two elements, one for the revision and one + * for the data itself. Also check that the revision is + * supported (currently only revision 0). + */ + if (splc->type != ACPI_TYPE_PACKAGE || + splc->package.count < 2 || + splc->package.elements[0].type != ACPI_TYPE_INTEGER || + splc->package.elements[0].integer.value != 0) { + IWL_DEBUG_INFO(trans, + "Unsupported structure returned by the SPLC method. Ignoring.\n"); return 0; } - limits = &splx->package.elements[1]; - if (limits->type != ACPI_TYPE_PACKAGE || - limits->package.count < 2 || - limits->package.elements[0].type != ACPI_TYPE_INTEGER || - limits->package.elements[1].type != ACPI_TYPE_INTEGER) { - IWL_ERR(trans, "Invalid limits element\n"); - return 0; + /* loop through all the packages to find the one for WiFi */ + for (i = 1; i < splc->package.count; i++) { + union acpi_object *domain; + + data_pkg = &splc->package.elements[i]; + + /* Skip anything that is not a package with the right + * amount of elements (i.e. at least 2 integers). + */ + if (data_pkg->type != ACPI_TYPE_PACKAGE || + data_pkg->package.count < 2 || + data_pkg->package.elements[0].type != ACPI_TYPE_INTEGER || + data_pkg->package.elements[1].type != ACPI_TYPE_INTEGER) + continue; + + domain = &data_pkg->package.elements[0]; + if (domain->integer.value == ACPI_SPLC_DOMAIN_WIFI) + break; + + data_pkg = NULL; } - domain_type = &limits->package.elements[0]; - power_limit = &limits->package.elements[1]; - if (!(domain_type->integer.value & SPL_DOMAINTYPE_WIFI)) { - IWL_DEBUG_INFO(trans, "WiFi power is not limited\n"); + if (!data_pkg) { + IWL_DEBUG_INFO(trans, + "No element for the WiFi domain returned by the SPLC method.\n"); return 0; } - return power_limit->integer.value; + dflt_pwr_limit = &data_pkg->package.elements[1]; + return dflt_pwr_limit->integer.value; } static void set_dflt_pwr_limit(struct iwl_trans *trans, struct pci_dev *pdev) { acpi_handle pxsx_handle; acpi_handle handle; - struct acpi_buffer splx = {ACPI_ALLOCATE_BUFFER, NULL}; + struct acpi_buffer splc = {ACPI_ALLOCATE_BUFFER, NULL}; acpi_status status; pxsx_handle = ACPI_HANDLE(&pdev->dev); @@ -593,23 +609,24 @@ static void set_dflt_pwr_limit(struct iwl_trans *trans, struct pci_dev *pdev) } /* Get the method's handle */ - status = acpi_get_handle(pxsx_handle, (acpi_string)SPL_METHOD, &handle); + status = acpi_get_handle(pxsx_handle, (acpi_string)ACPI_SPLC_METHOD, + &handle); if (ACPI_FAILURE(status)) { - IWL_DEBUG_INFO(trans, "SPL method not found\n"); + IWL_DEBUG_INFO(trans, "SPLC method not found\n"); return; } /* Call SPLC with no arguments */ - status = acpi_evaluate_object(handle, NULL, NULL, &splx); + status = acpi_evaluate_object(handle, NULL, NULL, &splc); if (ACPI_FAILURE(status)) { IWL_ERR(trans, "SPLC invocation failed (0x%x)\n", status); return; } - trans->dflt_pwr_limit = splx_get_pwr_limit(trans, splx.pointer); + trans->dflt_pwr_limit = splc_get_pwr_limit(trans, splc.pointer); IWL_DEBUG_INFO(trans, "Default power limit set to %lld\n", trans->dflt_pwr_limit); - kfree(splx.pointer); + kfree(splc.pointer); } #else /* CONFIG_ACPI */ diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index e9a278b..5f840f1 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -592,6 +592,7 @@ error: static int iwl_pcie_txq_init(struct iwl_trans *trans, struct iwl_txq *txq, int slots_num, u32 txq_id) { + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); int ret; txq->need_update = false; @@ -606,6 +607,13 @@ static int iwl_pcie_txq_init(struct iwl_trans *trans, struct iwl_txq *txq, return ret; spin_lock_init(&txq->lock); + + if (txq_id == trans_pcie->cmd_queue) { + static struct lock_class_key iwl_pcie_cmd_queue_lock_class; + + lockdep_set_class(&txq->lock, &iwl_pcie_cmd_queue_lock_class); + } + __skb_queue_head_init(&txq->overflow_q); /* diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 7d616b0..e085c8c 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -304,7 +304,7 @@ static void xennet_alloc_rx_buffers(struct netfront_queue *queue) queue->rx_skbs[id] = skb; ref = gnttab_claim_grant_reference(&queue->gref_rx_head); - BUG_ON((signed short)ref < 0); + WARN_ON_ONCE(IS_ERR_VALUE((unsigned long)(int)ref)); queue->grant_rx_ref[id] = ref; page = skb_frag_page(&skb_shinfo(skb)->frags[0]); @@ -428,7 +428,7 @@ static void xennet_tx_setup_grant(unsigned long gfn, unsigned int offset, id = get_id_from_freelist(&queue->tx_skb_freelist, queue->tx_skbs); tx = RING_GET_REQUEST(&queue->tx, queue->tx.req_prod_pvt++); ref = gnttab_claim_grant_reference(&queue->gref_tx_head); - BUG_ON((signed short)ref < 0); + WARN_ON_ONCE(IS_ERR_VALUE((unsigned long)(int)ref)); gnttab_grant_foreign_access_ref(ref, queue->info->xbdev->otherend_id, gfn, GNTMAP_readonly); diff --git a/drivers/nfc/mei_phy.c b/drivers/nfc/mei_phy.c index 83deda4..6f9563a 100644 --- a/drivers/nfc/mei_phy.c +++ b/drivers/nfc/mei_phy.c @@ -133,7 +133,7 @@ static int mei_nfc_if_version(struct nfc_mei_phy *phy) return -ENOMEM; bytes_recv = mei_cldev_recv(phy->cldev, (u8 *)reply, if_version_length); - if (bytes_recv < 0 || bytes_recv < sizeof(struct mei_nfc_reply)) { + if (bytes_recv < 0 || bytes_recv < if_version_length) { pr_err("Could not read IF version\n"); r = -EIO; goto err; diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.c b/drivers/ntb/hw/intel/ntb_hw_intel.c index 0d5c29a..7310a26 100644 --- a/drivers/ntb/hw/intel/ntb_hw_intel.c +++ b/drivers/ntb/hw/intel/ntb_hw_intel.c @@ -112,17 +112,17 @@ MODULE_PARM_DESC(xeon_b2b_usd_bar2_addr64, module_param_named(xeon_b2b_usd_bar4_addr64, xeon_b2b_usd_addr.bar4_addr64, ullong, 0644); -MODULE_PARM_DESC(xeon_b2b_usd_bar2_addr64, +MODULE_PARM_DESC(xeon_b2b_usd_bar4_addr64, "XEON B2B USD BAR 4 64-bit address"); module_param_named(xeon_b2b_usd_bar4_addr32, xeon_b2b_usd_addr.bar4_addr32, ullong, 0644); -MODULE_PARM_DESC(xeon_b2b_usd_bar2_addr64, +MODULE_PARM_DESC(xeon_b2b_usd_bar4_addr32, "XEON B2B USD split-BAR 4 32-bit address"); module_param_named(xeon_b2b_usd_bar5_addr32, xeon_b2b_usd_addr.bar5_addr32, ullong, 0644); -MODULE_PARM_DESC(xeon_b2b_usd_bar2_addr64, +MODULE_PARM_DESC(xeon_b2b_usd_bar5_addr32, "XEON B2B USD split-BAR 5 32-bit address"); module_param_named(xeon_b2b_dsd_bar2_addr64, @@ -132,17 +132,17 @@ MODULE_PARM_DESC(xeon_b2b_dsd_bar2_addr64, module_param_named(xeon_b2b_dsd_bar4_addr64, xeon_b2b_dsd_addr.bar4_addr64, ullong, 0644); -MODULE_PARM_DESC(xeon_b2b_dsd_bar2_addr64, +MODULE_PARM_DESC(xeon_b2b_dsd_bar4_addr64, "XEON B2B DSD BAR 4 64-bit address"); module_param_named(xeon_b2b_dsd_bar4_addr32, xeon_b2b_dsd_addr.bar4_addr32, ullong, 0644); -MODULE_PARM_DESC(xeon_b2b_dsd_bar2_addr64, +MODULE_PARM_DESC(xeon_b2b_dsd_bar4_addr32, "XEON B2B DSD split-BAR 4 32-bit address"); module_param_named(xeon_b2b_dsd_bar5_addr32, xeon_b2b_dsd_addr.bar5_addr32, ullong, 0644); -MODULE_PARM_DESC(xeon_b2b_dsd_bar2_addr64, +MODULE_PARM_DESC(xeon_b2b_dsd_bar5_addr32, "XEON B2B DSD split-BAR 5 32-bit address"); #ifndef ioread64 @@ -1755,6 +1755,8 @@ static int xeon_setup_b2b_mw(struct intel_ntb_dev *ndev, XEON_B2B_MIN_SIZE); if (!ndev->peer_mmio) return -EIO; + + ndev->peer_addr = pci_resource_start(pdev, b2b_bar); } return 0; @@ -2019,6 +2021,7 @@ static int intel_ntb_init_pci(struct intel_ntb_dev *ndev, struct pci_dev *pdev) goto err_mmio; } ndev->peer_mmio = ndev->self_mmio; + ndev->peer_addr = pci_resource_start(pdev, 0); return 0; diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index 8601c10..4eb8adb 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -257,7 +257,7 @@ enum { #define NTB_QP_DEF_NUM_ENTRIES 100 #define NTB_LINK_DOWN_TIMEOUT 10 #define DMA_RETRIES 20 -#define DMA_OUT_RESOURCE_TO 50 +#define DMA_OUT_RESOURCE_TO msecs_to_jiffies(50) static void ntb_transport_rxc_db(unsigned long data); static const struct ntb_ctx_ops ntb_transport_ops; diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c index 6a50f20..e75d4fd 100644 --- a/drivers/ntb/test/ntb_perf.c +++ b/drivers/ntb/test/ntb_perf.c @@ -72,7 +72,7 @@ #define MAX_THREADS 32 #define MAX_TEST_SIZE SZ_1M #define MAX_SRCS 32 -#define DMA_OUT_RESOURCE_TO 50 +#define DMA_OUT_RESOURCE_TO msecs_to_jiffies(50) #define DMA_RETRIES 20 #define SZ_4G (1ULL << 32) #define MAX_SEG_ORDER 20 /* no larger than 1M for kmalloc buffer */ @@ -589,7 +589,7 @@ static ssize_t debugfs_run_read(struct file *filp, char __user *ubuf, return -ENOMEM; if (mutex_is_locked(&perf->run_mutex)) { - out_off = snprintf(buf, 64, "running\n"); + out_off = scnprintf(buf, 64, "running\n"); goto read_from_buf; } @@ -600,14 +600,14 @@ static ssize_t debugfs_run_read(struct file *filp, char __user *ubuf, break; if (pctx->status) { - out_off += snprintf(buf + out_off, 1024 - out_off, + out_off += scnprintf(buf + out_off, 1024 - out_off, "%d: error %d\n", i, pctx->status); continue; } rate = div64_u64(pctx->copied, pctx->diff_us); - out_off += snprintf(buf + out_off, 1024 - out_off, + out_off += scnprintf(buf + out_off, 1024 - out_off, "%d: copied %llu bytes in %llu usecs, %llu MBytes/s\n", i, pctx->copied, pctx->diff_us, rate); } diff --git a/drivers/ntb/test/ntb_pingpong.c b/drivers/ntb/test/ntb_pingpong.c index 7d31179..4358611 100644 --- a/drivers/ntb/test/ntb_pingpong.c +++ b/drivers/ntb/test/ntb_pingpong.c @@ -88,7 +88,7 @@ MODULE_PARM_DESC(delay_ms, "Milliseconds to delay the response to peer"); static unsigned long db_init = 0x7; module_param(db_init, ulong, 0644); -MODULE_PARM_DESC(delay_ms, "Initial doorbell bits to ring on the peer"); +MODULE_PARM_DESC(db_init, "Initial doorbell bits to ring on the peer"); struct pp_ctx { struct ntb_dev *ntb; diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c index f5e3011..5daf2f4 100644 --- a/drivers/nvme/host/lightnvm.c +++ b/drivers/nvme/host/lightnvm.c @@ -612,7 +612,7 @@ int nvme_nvm_register(struct nvme_ns *ns, char *disk_name, int node, ret = nvm_register(dev); - ns->lba_shift = ilog2(dev->sec_size) - 9; + ns->lba_shift = ilog2(dev->sec_size); if (sysfs_create_group(&dev->dev.kobj, attrs)) pr_warn("%s: failed to create sysfs group for identification\n", diff --git a/drivers/of/base.c b/drivers/of/base.c index d687e6d..a0bccb5 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -2077,8 +2077,6 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align)) name = of_get_property(of_aliases, "stdout", NULL); if (name) of_stdout = of_find_node_opts_by_path(name, &of_stdout_options); - if (of_stdout) - console_set_by_of(); } if (!of_aliases) diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index 035f50c..bed1999 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -637,8 +637,6 @@ int dw_pcie_host_init(struct pcie_port *pp) } } - pp->iatu_unroll_enabled = dw_pcie_iatu_unroll_enabled(pp); - if (pp->ops->host_init) pp->ops->host_init(pp); @@ -809,6 +807,11 @@ void dw_pcie_setup_rc(struct pcie_port *pp) { u32 val; + /* get iATU unroll support */ + pp->iatu_unroll_enabled = dw_pcie_iatu_unroll_enabled(pp); + dev_dbg(pp->dev, "iATU unroll: %s\n", + pp->iatu_unroll_enabled ? "enabled" : "disabled"); + /* set the number of lanes */ val = dw_pcie_readl_rc(pp, PCIE_PORT_LINK_CONTROL); val &= ~PORT_LINK_MODE_MASK; diff --git a/drivers/pci/host/pcie-qcom.c b/drivers/pci/host/pcie-qcom.c index ef0a84c..3593640 100644 --- a/drivers/pci/host/pcie-qcom.c +++ b/drivers/pci/host/pcie-qcom.c @@ -533,11 +533,11 @@ static int qcom_pcie_probe(struct platform_device *pdev) if (IS_ERR(pcie->phy)) return PTR_ERR(pcie->phy); + pp->dev = dev; ret = pcie->ops->get_resources(pcie); if (ret) return ret; - pp->dev = dev; pp->root_bus_nr = -1; pp->ops = &qcom_pcie_dw_ops; diff --git a/drivers/pci/host/pcie-rockchip.c b/drivers/pci/host/pcie-rockchip.c index e0b22da..e04f69b 100644 --- a/drivers/pci/host/pcie-rockchip.c +++ b/drivers/pci/host/pcie-rockchip.c @@ -190,6 +190,9 @@ struct rockchip_pcie { struct reset_control *mgmt_rst; struct reset_control *mgmt_sticky_rst; struct reset_control *pipe_rst; + struct reset_control *pm_rst; + struct reset_control *aclk_rst; + struct reset_control *pclk_rst; struct clk *aclk_pcie; struct clk *aclk_perf_pcie; struct clk *hclk_pcie; @@ -408,6 +411,44 @@ static int rockchip_pcie_init_port(struct rockchip_pcie *rockchip) gpiod_set_value(rockchip->ep_gpio, 0); + err = reset_control_assert(rockchip->aclk_rst); + if (err) { + dev_err(dev, "assert aclk_rst err %d\n", err); + return err; + } + + err = reset_control_assert(rockchip->pclk_rst); + if (err) { + dev_err(dev, "assert pclk_rst err %d\n", err); + return err; + } + + err = reset_control_assert(rockchip->pm_rst); + if (err) { + dev_err(dev, "assert pm_rst err %d\n", err); + return err; + } + + udelay(10); + + err = reset_control_deassert(rockchip->pm_rst); + if (err) { + dev_err(dev, "deassert pm_rst err %d\n", err); + return err; + } + + err = reset_control_deassert(rockchip->aclk_rst); + if (err) { + dev_err(dev, "deassert mgmt_sticky_rst err %d\n", err); + return err; + } + + err = reset_control_deassert(rockchip->pclk_rst); + if (err) { + dev_err(dev, "deassert mgmt_sticky_rst err %d\n", err); + return err; + } + err = phy_init(rockchip->phy); if (err < 0) { dev_err(dev, "fail to init phy, err %d\n", err); @@ -781,6 +822,27 @@ static int rockchip_pcie_parse_dt(struct rockchip_pcie *rockchip) return PTR_ERR(rockchip->pipe_rst); } + rockchip->pm_rst = devm_reset_control_get(dev, "pm"); + if (IS_ERR(rockchip->pm_rst)) { + if (PTR_ERR(rockchip->pm_rst) != -EPROBE_DEFER) + dev_err(dev, "missing pm reset property in node\n"); + return PTR_ERR(rockchip->pm_rst); + } + + rockchip->pclk_rst = devm_reset_control_get(dev, "pclk"); + if (IS_ERR(rockchip->pclk_rst)) { + if (PTR_ERR(rockchip->pclk_rst) != -EPROBE_DEFER) + dev_err(dev, "missing pclk reset property in node\n"); + return PTR_ERR(rockchip->pclk_rst); + } + + rockchip->aclk_rst = devm_reset_control_get(dev, "aclk"); + if (IS_ERR(rockchip->aclk_rst)) { + if (PTR_ERR(rockchip->aclk_rst) != -EPROBE_DEFER) + dev_err(dev, "missing aclk reset property in node\n"); + return PTR_ERR(rockchip->aclk_rst); + } + rockchip->ep_gpio = devm_gpiod_get(dev, "ep", GPIOD_OUT_HIGH); if (IS_ERR(rockchip->ep_gpio)) { dev_err(dev, "missing ep-gpios property in node\n"); diff --git a/drivers/pci/pci-mid.c b/drivers/pci/pci-mid.c index 55f453d..c7f3408 100644 --- a/drivers/pci/pci-mid.c +++ b/drivers/pci/pci-mid.c @@ -29,6 +29,11 @@ static int mid_pci_set_power_state(struct pci_dev *pdev, pci_power_t state) return intel_mid_pci_set_power_state(pdev, state); } +static pci_power_t mid_pci_get_power_state(struct pci_dev *pdev) +{ + return intel_mid_pci_get_power_state(pdev); +} + static pci_power_t mid_pci_choose_state(struct pci_dev *pdev) { return PCI_D3hot; @@ -52,6 +57,7 @@ static bool mid_pci_need_resume(struct pci_dev *dev) static struct pci_platform_pm_ops mid_pci_platform_pm = { .is_manageable = mid_pci_power_manageable, .set_state = mid_pci_set_power_state, + .get_state = mid_pci_get_power_state, .choose_state = mid_pci_choose_state, .sleep_wake = mid_pci_sleep_wake, .run_wake = mid_pci_run_wake, diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index 66c4d8f..9526e34 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -121,6 +121,14 @@ int pci_claim_resource(struct pci_dev *dev, int resource) return -EINVAL; } + /* + * If we have a shadow copy in RAM, the PCI device doesn't respond + * to the shadow range, so we don't need to claim it, and upstream + * bridges don't need to route the range to the device. + */ + if (res->flags & IORESOURCE_ROM_SHADOW) + return 0; + root = pci_find_parent_resource(dev, res); if (!root) { dev_info(&dev->dev, "can't claim BAR %d %pR: no compatible bridge window\n", diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index 153f312..b6b316d 100644 --- a/drivers/pcmcia/soc_common.c +++ b/drivers/pcmcia/soc_common.c @@ -107,7 +107,7 @@ int soc_pcmcia_regulator_set(struct soc_pcmcia_socket *skt, ret = regulator_enable(r->reg); } else { - regulator_disable(r->reg); + ret = regulator_disable(r->reg); } if (ret == 0) r->on = on; diff --git a/drivers/phy/phy-da8xx-usb.c b/drivers/phy/phy-da8xx-usb.c index 32ae78c..c85fb0b 100644 --- a/drivers/phy/phy-da8xx-usb.c +++ b/drivers/phy/phy-da8xx-usb.c @@ -198,7 +198,8 @@ static int da8xx_usb_phy_probe(struct platform_device *pdev) } else { int ret; - ret = phy_create_lookup(d_phy->usb11_phy, "usb-phy", "ohci.0"); + ret = phy_create_lookup(d_phy->usb11_phy, "usb-phy", + "ohci-da8xx"); if (ret) dev_warn(dev, "Failed to create usb11 phy lookup\n"); ret = phy_create_lookup(d_phy->usb20_phy, "usb-phy", @@ -216,7 +217,7 @@ static int da8xx_usb_phy_remove(struct platform_device *pdev) if (!pdev->dev.of_node) { phy_remove_lookup(d_phy->usb20_phy, "usb-phy", "musb-da8xx"); - phy_remove_lookup(d_phy->usb11_phy, "usb-phy", "ohci.0"); + phy_remove_lookup(d_phy->usb11_phy, "usb-phy", "ohci-da8xx"); } return 0; diff --git a/drivers/phy/phy-rockchip-pcie.c b/drivers/phy/phy-rockchip-pcie.c index a2b4c6b..6904633 100644 --- a/drivers/phy/phy-rockchip-pcie.c +++ b/drivers/phy/phy-rockchip-pcie.c @@ -249,21 +249,10 @@ err_refclk: static int rockchip_pcie_phy_exit(struct phy *phy) { struct rockchip_pcie_phy *rk_phy = phy_get_drvdata(phy); - int err = 0; clk_disable_unprepare(rk_phy->clk_pciephy_ref); - err = reset_control_deassert(rk_phy->phy_rst); - if (err) { - dev_err(&phy->dev, "deassert phy_rst err %d\n", err); - goto err_reset; - } - - return err; - -err_reset: - clk_prepare_enable(rk_phy->clk_pciephy_ref); - return err; + return 0; } static const struct phy_ops ops = { diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c index b9342a2..fec34f5 100644 --- a/drivers/phy/phy-sun4i-usb.c +++ b/drivers/phy/phy-sun4i-usb.c @@ -264,7 +264,7 @@ static int sun4i_usb_phy_init(struct phy *_phy) return ret; } - if (data->cfg->enable_pmu_unk1) { + if (phy->pmu && data->cfg->enable_pmu_unk1) { val = readl(phy->pmu + REG_PMU_UNK1); writel(val & ~2, phy->pmu + REG_PMU_UNK1); } diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c index c8c72e8..87b4639 100644 --- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g5.c @@ -26,7 +26,7 @@ #define ASPEED_G5_NR_PINS 228 -#define COND1 SIG_DESC_BIT(SCU90, 6, 0) +#define COND1 { SCU90, BIT(6), 0, 0 } #define COND2 { SCU94, GENMASK(1, 0), 0, 0 } #define B14 0 diff --git a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c index 7f77007..5d1e505c3 100644 --- a/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c +++ b/drivers/pinctrl/bcm/pinctrl-iproc-gpio.c @@ -844,6 +844,6 @@ static struct platform_driver iproc_gpio_driver = { static int __init iproc_gpio_init(void) { - return platform_driver_probe(&iproc_gpio_driver, iproc_gpio_probe); + return platform_driver_register(&iproc_gpio_driver); } arch_initcall_sync(iproc_gpio_init); diff --git a/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c b/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c index 35783db..c8deb8b 100644 --- a/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c +++ b/drivers/pinctrl/bcm/pinctrl-nsp-gpio.c @@ -741,6 +741,6 @@ static struct platform_driver nsp_gpio_driver = { static int __init nsp_gpio_init(void) { - return platform_driver_probe(&nsp_gpio_driver, nsp_gpio_probe); + return platform_driver_register(&nsp_gpio_driver); } arch_initcall_sync(nsp_gpio_init); diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c index 4761320..79c4e14 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx.c +++ b/drivers/pinctrl/freescale/pinctrl-imx.c @@ -687,6 +687,7 @@ static int imx_pinctrl_probe_dt(struct platform_device *pdev, if (!info->functions) return -ENOMEM; + info->group_index = 0; if (flat_funcs) { info->ngroups = of_get_child_count(np); } else { diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index 30389f4..c43b1e9 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -1652,12 +1652,15 @@ static int chv_pinctrl_probe(struct platform_device *pdev) } #ifdef CONFIG_PM_SLEEP -static int chv_pinctrl_suspend(struct device *dev) +static int chv_pinctrl_suspend_noirq(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct chv_pinctrl *pctrl = platform_get_drvdata(pdev); + unsigned long flags; int i; + raw_spin_lock_irqsave(&chv_lock, flags); + pctrl->saved_intmask = readl(pctrl->regs + CHV_INTMASK); for (i = 0; i < pctrl->community->npins; i++) { @@ -1678,15 +1681,20 @@ static int chv_pinctrl_suspend(struct device *dev) ctx->padctrl1 = readl(reg); } + raw_spin_unlock_irqrestore(&chv_lock, flags); + return 0; } -static int chv_pinctrl_resume(struct device *dev) +static int chv_pinctrl_resume_noirq(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct chv_pinctrl *pctrl = platform_get_drvdata(pdev); + unsigned long flags; int i; + raw_spin_lock_irqsave(&chv_lock, flags); + /* * Mask all interrupts before restoring per-pin configuration * registers because we don't know in which state BIOS left them @@ -1731,12 +1739,15 @@ static int chv_pinctrl_resume(struct device *dev) chv_writel(0xffff, pctrl->regs + CHV_INTSTAT); chv_writel(pctrl->saved_intmask, pctrl->regs + CHV_INTMASK); + raw_spin_unlock_irqrestore(&chv_lock, flags); + return 0; } #endif static const struct dev_pm_ops chv_pinctrl_pm_ops = { - SET_LATE_SYSTEM_SLEEP_PM_OPS(chv_pinctrl_suspend, chv_pinctrl_resume) + SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(chv_pinctrl_suspend_noirq, + chv_pinctrl_resume_noirq) }; static const struct acpi_device_id chv_pinctrl_acpi_match[] = { diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c index 99da4cf..b7bb371 100644 --- a/drivers/pinctrl/pinctrl-st.c +++ b/drivers/pinctrl/pinctrl-st.c @@ -1512,7 +1512,7 @@ static int st_gpiolib_register_bank(struct st_pinctrl *info, if (info->irqmux_base || gpio_irq > 0) { err = gpiochip_irqchip_add(&bank->gpio_chip, &st_gpio_irqchip, 0, handle_simple_irq, - IRQ_TYPE_LEVEL_LOW); + IRQ_TYPE_NONE); if (err) { gpiochip_remove(&bank->gpio_chip); dev_info(dev, "could not add irqchip\n"); diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index 200667f..efc4371 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -1092,9 +1092,11 @@ int stm32_pctl_probe(struct platform_device *pdev) return -EINVAL; } - ret = stm32_pctrl_dt_setup_irq(pdev, pctl); - if (ret) - return ret; + if (of_find_property(np, "interrupt-parent", NULL)) { + ret = stm32_pctrl_dt_setup_irq(pdev, pctl); + if (ret) + return ret; + } for_each_child_of_node(np, child) if (of_property_read_bool(child, "gpio-controller")) diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index a232394..a7614fc 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -934,6 +934,13 @@ static const struct dmi_system_id no_hw_rfkill_list[] = { }, }, { + .ident = "Lenovo Yoga 900", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_BOARD_NAME, "VIUU4"), + }, + }, + { .ident = "Lenovo YOGA 910-13IKB", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c index ed58742..12dbb50 100644 --- a/drivers/platform/x86/intel-hid.c +++ b/drivers/platform/x86/intel-hid.c @@ -264,7 +264,7 @@ check_acpi_dev(acpi_handle handle, u32 lvl, void *context, void **rv) return AE_OK; if (acpi_match_device_ids(dev, ids) == 0) - if (acpi_create_platform_device(dev)) + if (acpi_create_platform_device(dev, NULL)) dev_info(&dev->dev, "intel-hid: created platform device\n"); diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c index 146d02f..7808076 100644 --- a/drivers/platform/x86/intel-vbtn.c +++ b/drivers/platform/x86/intel-vbtn.c @@ -164,7 +164,7 @@ check_acpi_dev(acpi_handle handle, u32 lvl, void *context, void **rv) return AE_OK; if (acpi_match_device_ids(dev, ids) == 0) - if (acpi_create_platform_device(dev)) + if (acpi_create_platform_device(dev, NULL)) dev_info(&dev->dev, "intel-vbtn: created platform device\n"); diff --git a/drivers/platform/x86/toshiba-wmi.c b/drivers/platform/x86/toshiba-wmi.c index feac457..2df07ee 100644 --- a/drivers/platform/x86/toshiba-wmi.c +++ b/drivers/platform/x86/toshiba-wmi.c @@ -24,14 +24,15 @@ #include <linux/acpi.h> #include <linux/input.h> #include <linux/input/sparse-keymap.h> +#include <linux/dmi.h> MODULE_AUTHOR("Azael Avalos"); MODULE_DESCRIPTION("Toshiba WMI Hotkey Driver"); MODULE_LICENSE("GPL"); -#define TOSHIBA_WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100" +#define WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100" -MODULE_ALIAS("wmi:"TOSHIBA_WMI_EVENT_GUID); +MODULE_ALIAS("wmi:"WMI_EVENT_GUID); static struct input_dev *toshiba_wmi_input_dev; @@ -63,6 +64,16 @@ static void toshiba_wmi_notify(u32 value, void *context) kfree(response.pointer); } +static struct dmi_system_id toshiba_wmi_dmi_table[] __initdata = { + { + .ident = "Toshiba laptop", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + }, + }, + {} +}; + static int __init toshiba_wmi_input_setup(void) { acpi_status status; @@ -81,7 +92,7 @@ static int __init toshiba_wmi_input_setup(void) if (err) goto err_free_dev; - status = wmi_install_notify_handler(TOSHIBA_WMI_EVENT_GUID, + status = wmi_install_notify_handler(WMI_EVENT_GUID, toshiba_wmi_notify, NULL); if (ACPI_FAILURE(status)) { err = -EIO; @@ -95,7 +106,7 @@ static int __init toshiba_wmi_input_setup(void) return 0; err_remove_notifier: - wmi_remove_notify_handler(TOSHIBA_WMI_EVENT_GUID); + wmi_remove_notify_handler(WMI_EVENT_GUID); err_free_keymap: sparse_keymap_free(toshiba_wmi_input_dev); err_free_dev: @@ -105,7 +116,7 @@ static int __init toshiba_wmi_input_setup(void) static void toshiba_wmi_input_destroy(void) { - wmi_remove_notify_handler(TOSHIBA_WMI_EVENT_GUID); + wmi_remove_notify_handler(WMI_EVENT_GUID); sparse_keymap_free(toshiba_wmi_input_dev); input_unregister_device(toshiba_wmi_input_dev); } @@ -114,7 +125,8 @@ static int __init toshiba_wmi_init(void) { int ret; - if (!wmi_has_guid(TOSHIBA_WMI_EVENT_GUID)) + if (!wmi_has_guid(WMI_EVENT_GUID) || + !dmi_check_system(toshiba_wmi_dmi_table)) return -ENODEV; ret = toshiba_wmi_input_setup(); @@ -130,7 +142,7 @@ static int __init toshiba_wmi_init(void) static void __exit toshiba_wmi_exit(void) { - if (wmi_has_guid(TOSHIBA_WMI_EVENT_GUID)) + if (wmi_has_guid(WMI_EVENT_GUID)) toshiba_wmi_input_destroy(); } diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 67426c0..5c1519b 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2754,7 +2754,7 @@ static int _regulator_set_voltage_time(struct regulator_dev *rdev, ramp_delay = rdev->desc->ramp_delay; if (ramp_delay == 0) { - rdev_warn(rdev, "ramp_delay not set\n"); + rdev_dbg(rdev, "ramp_delay not set\n"); return 0; } diff --git a/drivers/rtc/rtc-asm9260.c b/drivers/rtc/rtc-asm9260.c index 18a93d3..d365349 100644 --- a/drivers/rtc/rtc-asm9260.c +++ b/drivers/rtc/rtc-asm9260.c @@ -327,6 +327,7 @@ static const struct of_device_id asm9260_dt_ids[] = { { .compatible = "alphascale,asm9260-rtc", }, {} }; +MODULE_DEVICE_TABLE(of, asm9260_dt_ids); static struct platform_driver asm9260_rtc_driver = { .probe = asm9260_rtc_probe, diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index dd3d598..7030d7c 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -776,7 +776,7 @@ static void cmos_do_shutdown(int rtc_irq) spin_unlock_irq(&rtc_lock); } -static void __exit cmos_do_remove(struct device *dev) +static void cmos_do_remove(struct device *dev) { struct cmos_rtc *cmos = dev_get_drvdata(dev); struct resource *ports; @@ -996,8 +996,9 @@ static u32 rtc_handler(void *context) struct cmos_rtc *cmos = dev_get_drvdata(dev); unsigned char rtc_control = 0; unsigned char rtc_intr; + unsigned long flags; - spin_lock_irq(&rtc_lock); + spin_lock_irqsave(&rtc_lock, flags); if (cmos_rtc.suspend_ctrl) rtc_control = CMOS_READ(RTC_CONTROL); if (rtc_control & RTC_AIE) { @@ -1006,7 +1007,7 @@ static u32 rtc_handler(void *context) rtc_intr = CMOS_READ(RTC_INTR_FLAGS); rtc_update_irq(cmos->rtc, 1, rtc_intr); } - spin_unlock_irq(&rtc_lock); + spin_unlock_irqrestore(&rtc_lock, flags); pm_wakeup_event(dev, 0); acpi_clear_event(ACPI_EVENT_RTC); @@ -1129,7 +1130,7 @@ static int cmos_pnp_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) pnp_irq(pnp, 0)); } -static void __exit cmos_pnp_remove(struct pnp_dev *pnp) +static void cmos_pnp_remove(struct pnp_dev *pnp) { cmos_do_remove(&pnp->dev); } @@ -1161,7 +1162,7 @@ static struct pnp_driver cmos_pnp_driver = { .name = (char *) driver_name, .id_table = rtc_ids, .probe = cmos_pnp_probe, - .remove = __exit_p(cmos_pnp_remove), + .remove = cmos_pnp_remove, .shutdown = cmos_pnp_shutdown, /* flag ensures resume() gets called, and stops syslog spam */ @@ -1238,7 +1239,7 @@ static int __init cmos_platform_probe(struct platform_device *pdev) return cmos_do_probe(&pdev->dev, resource, irq); } -static int __exit cmos_platform_remove(struct platform_device *pdev) +static int cmos_platform_remove(struct platform_device *pdev) { cmos_do_remove(&pdev->dev); return 0; @@ -1263,7 +1264,7 @@ static void cmos_platform_shutdown(struct platform_device *pdev) MODULE_ALIAS("platform:rtc_cmos"); static struct platform_driver cmos_platform_driver = { - .remove = __exit_p(cmos_platform_remove), + .remove = cmos_platform_remove, .shutdown = cmos_platform_shutdown, .driver = { .name = driver_name, diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index b04ea9b..51e5244 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c @@ -113,6 +113,7 @@ /* OMAP_RTC_OSC_REG bit fields: */ #define OMAP_RTC_OSC_32KCLK_EN BIT(6) #define OMAP_RTC_OSC_SEL_32KCLK_SRC BIT(3) +#define OMAP_RTC_OSC_OSC32K_GZ_DISABLE BIT(4) /* OMAP_RTC_IRQWAKEEN bit fields: */ #define OMAP_RTC_IRQWAKEEN_ALARM_WAKEEN BIT(1) @@ -146,6 +147,7 @@ struct omap_rtc { u8 interrupts_reg; bool is_pmic_controller; bool has_ext_clk; + bool is_suspending; const struct omap_rtc_device_type *type; struct pinctrl_dev *pctldev; }; @@ -786,8 +788,9 @@ static int omap_rtc_probe(struct platform_device *pdev) */ if (rtc->has_ext_clk) { reg = rtc_read(rtc, OMAP_RTC_OSC_REG); - rtc_write(rtc, OMAP_RTC_OSC_REG, - reg | OMAP_RTC_OSC_SEL_32KCLK_SRC); + reg &= ~OMAP_RTC_OSC_OSC32K_GZ_DISABLE; + reg |= OMAP_RTC_OSC_32KCLK_EN | OMAP_RTC_OSC_SEL_32KCLK_SRC; + rtc_writel(rtc, OMAP_RTC_OSC_REG, reg); } rtc->type->lock(rtc); @@ -898,8 +901,7 @@ static int omap_rtc_suspend(struct device *dev) rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, 0); rtc->type->lock(rtc); - /* Disable the clock/module */ - pm_runtime_put_sync(dev); + rtc->is_suspending = true; return 0; } @@ -908,9 +910,6 @@ static int omap_rtc_resume(struct device *dev) { struct omap_rtc *rtc = dev_get_drvdata(dev); - /* Enable the clock/module so that we can access the registers */ - pm_runtime_get_sync(dev); - rtc->type->unlock(rtc); if (device_may_wakeup(dev)) disable_irq_wake(rtc->irq_alarm); @@ -918,11 +917,34 @@ static int omap_rtc_resume(struct device *dev) rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, rtc->interrupts_reg); rtc->type->lock(rtc); + rtc->is_suspending = false; + return 0; } #endif -static SIMPLE_DEV_PM_OPS(omap_rtc_pm_ops, omap_rtc_suspend, omap_rtc_resume); +#ifdef CONFIG_PM +static int omap_rtc_runtime_suspend(struct device *dev) +{ + struct omap_rtc *rtc = dev_get_drvdata(dev); + + if (rtc->is_suspending && !rtc->has_ext_clk) + return -EBUSY; + + return 0; +} + +static int omap_rtc_runtime_resume(struct device *dev) +{ + return 0; +} +#endif + +static const struct dev_pm_ops omap_rtc_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(omap_rtc_suspend, omap_rtc_resume) + SET_RUNTIME_PM_OPS(omap_rtc_runtime_suspend, + omap_rtc_runtime_resume, NULL) +}; static void omap_rtc_shutdown(struct platform_device *pdev) { diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 3d53d63..f0cfb04 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -2636,18 +2636,9 @@ static int arcmsr_queue_command_lck(struct scsi_cmnd *cmd, struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; struct CommandControlBlock *ccb; int target = cmd->device->id; - int lun = cmd->device->lun; - uint8_t scsicmd = cmd->cmnd[0]; cmd->scsi_done = done; cmd->host_scribble = NULL; cmd->result = 0; - if ((scsicmd == SYNCHRONIZE_CACHE) ||(scsicmd == SEND_DIAGNOSTIC)){ - if(acb->devstate[target][lun] == ARECA_RAID_GONE) { - cmd->result = (DID_NO_CONNECT << 16); - } - cmd->scsi_done(cmd); - return 0; - } if (target == 16) { /* virtual device for iop message transfer */ arcmsr_handle_virtual_command(acb, cmd); diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index d142113..2ffe029 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -2081,9 +2081,10 @@ void cxgbi_cleanup_task(struct iscsi_task *task) /* never reached the xmit task callout */ if (tdata->skb) __kfree_skb(tdata->skb); - memset(tdata, 0, sizeof(*tdata)); task_release_itt(task, task->hdr_itt); + memset(tdata, 0, sizeof(*tdata)); + iscsi_tcp_cleanup_task(task); } EXPORT_SYMBOL_GPL(cxgbi_cleanup_task); diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index 241829e..7bb2068 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -793,6 +793,7 @@ static void alua_rtpg_work(struct work_struct *work) WARN_ON(pg->flags & ALUA_PG_RUN_RTPG); WARN_ON(pg->flags & ALUA_PG_RUN_STPG); spin_unlock_irqrestore(&pg->lock, flags); + kref_put(&pg->kref, release_port_group); return; } if (pg->flags & ALUA_SYNC_STPG) @@ -890,6 +891,7 @@ static void alua_rtpg_queue(struct alua_port_group *pg, /* Do not queue if the worker is already running */ if (!(pg->flags & ALUA_PG_RUNNING)) { kref_get(&pg->kref); + sdev = NULL; start_queue = 1; } } @@ -901,7 +903,8 @@ static void alua_rtpg_queue(struct alua_port_group *pg, if (start_queue && !queue_delayed_work(alua_wq, &pg->rtpg_work, msecs_to_jiffies(ALUA_RTPG_DELAY_MSECS))) { - scsi_device_put(sdev); + if (sdev) + scsi_device_put(sdev); kref_put(&pg->kref, release_port_group); } } diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index ca86c88..3aaea71 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -2233,7 +2233,7 @@ struct megasas_instance_template { }; #define MEGASAS_IS_LOGICAL(scp) \ - (scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1 + ((scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1) #define MEGASAS_DEV_INDEX(scp) \ (((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + \ diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 9ff57de..d8b1fbd 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -1700,16 +1700,13 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd) goto out_done; } - switch (scmd->cmnd[0]) { - case SYNCHRONIZE_CACHE: - /* - * FW takes care of flush cache on its own - * No need to send it down - */ + /* + * FW takes care of flush cache on its own for Virtual Disk. + * No need to send it down for VD. For JBOD send SYNCHRONIZE_CACHE to FW. + */ + if ((scmd->cmnd[0] == SYNCHRONIZE_CACHE) && MEGASAS_IS_LOGICAL(scmd)) { scmd->result = DID_OK << 16; goto out_done; - default: - break; } return instance->instancet->build_and_issue_cmd(instance, scmd); diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 209a969..8aa769a 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -1273,9 +1273,9 @@ scsih_target_alloc(struct scsi_target *starget) sas_target_priv_data->handle = raid_device->handle; sas_target_priv_data->sas_address = raid_device->wwid; sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME; - sas_target_priv_data->raid_device = raid_device; if (ioc->is_warpdrive) - raid_device->starget = starget; + sas_target_priv_data->raid_device = raid_device; + raid_device->starget = starget; } spin_unlock_irqrestore(&ioc->raid_device_lock, flags); return 0; diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index ace65db..567fa08 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -707,6 +707,11 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) srb_t *sp; int rval; + if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) { + cmd->result = DID_NO_CONNECT << 16; + goto qc24_fail_command; + } + if (ha->flags.eeh_busy) { if (ha->flags.pci_channel_io_perm_failure) { ql_dbg(ql_dbg_aer, vha, 0x9010, @@ -1451,6 +1456,15 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) { sp = req->outstanding_cmds[cnt]; if (sp) { + /* Get a reference to the sp and drop the lock. + * The reference ensures this sp->done() call + * - and not the call in qla2xxx_eh_abort() - + * ends the SCSI command (with result 'res'). + */ + sp_get(sp); + spin_unlock_irqrestore(&ha->hardware_lock, flags); + qla2xxx_eh_abort(GET_CMD_SP(sp)); + spin_lock_irqsave(&ha->hardware_lock, flags); req->outstanding_cmds[cnt] = NULL; sp->done(vha, sp, res); } @@ -2341,6 +2355,8 @@ qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) { scsi_qla_host_t *vha = shost_priv(shost); + if (test_bit(UNLOADING, &vha->dpc_flags)) + return 1; if (!vha->host) return 1; if (time > vha->hw->loop_reset_delay * HZ) diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index c905709..cf04a36 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -5134,6 +5134,7 @@ static void __exit scsi_debug_exit(void) bus_unregister(&pseudo_lld_bus); root_device_unregister(pseudo_primary); + vfree(map_storep); vfree(dif_storep); vfree(fake_storep); kfree(sdebug_q_arr); diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index 4a0d3cd..15ca09c 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -793,6 +793,7 @@ static int pvscsi_abort(struct scsi_cmnd *cmd) unsigned long flags; int result = SUCCESS; DECLARE_COMPLETION_ONSTACK(abort_cmp); + int done; scmd_printk(KERN_DEBUG, cmd, "task abort on host %u, %p\n", adapter->host->host_no, cmd); @@ -824,10 +825,10 @@ static int pvscsi_abort(struct scsi_cmnd *cmd) pvscsi_abort_cmd(adapter, ctx); spin_unlock_irqrestore(&adapter->hw_lock, flags); /* Wait for 2 secs for the completion. */ - wait_for_completion_timeout(&abort_cmp, msecs_to_jiffies(2000)); + done = wait_for_completion_timeout(&abort_cmp, msecs_to_jiffies(2000)); spin_lock_irqsave(&adapter->hw_lock, flags); - if (!completion_done(&abort_cmp)) { + if (!done) { /* * Failed to abort the command, unmark the fact that it * was requested to be aborted. diff --git a/drivers/scsi/vmw_pvscsi.h b/drivers/scsi/vmw_pvscsi.h index c097d2c..d41292e 100644 --- a/drivers/scsi/vmw_pvscsi.h +++ b/drivers/scsi/vmw_pvscsi.h @@ -26,7 +26,7 @@ #include <linux/types.h> -#define PVSCSI_DRIVER_VERSION_STRING "1.0.6.0-k" +#define PVSCSI_DRIVER_VERSION_STRING "1.0.7.0-k" #define PVSCSI_MAX_NUM_SG_ENTRIES_PER_SEGMENT 128 diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 35c0dd9..a67b0ff 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -70,6 +70,7 @@ #define SPI_SR 0x2c #define SPI_SR_EOQF 0x10000000 #define SPI_SR_TCFQF 0x80000000 +#define SPI_SR_CLEAR 0xdaad0000 #define SPI_RSER 0x30 #define SPI_RSER_EOQFE 0x10000000 @@ -646,6 +647,11 @@ static const struct regmap_config dspi_regmap_config = { .max_register = 0x88, }; +static void dspi_init(struct fsl_dspi *dspi) +{ + regmap_write(dspi->regmap, SPI_SR, SPI_SR_CLEAR); +} + static int dspi_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; @@ -709,6 +715,7 @@ static int dspi_probe(struct platform_device *pdev) return PTR_ERR(dspi->regmap); } + dspi_init(dspi); dspi->irq = platform_get_irq(pdev, 0); if (dspi->irq < 0) { dev_err(&pdev->dev, "can't get platform irq\n"); diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c index 7451585..2c175b9 100644 --- a/drivers/spi/spi-fsl-espi.c +++ b/drivers/spi/spi-fsl-espi.c @@ -458,7 +458,7 @@ static void fsl_espi_cpu_irq(struct mpc8xxx_spi *mspi, u32 events) mspi->len -= rx_nr_bytes; - if (mspi->rx) + if (rx_nr_bytes && mspi->rx) mspi->get_rx(rx_data, mspi); } diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 5787b72..838783c 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -1618,9 +1618,11 @@ static void of_register_spi_devices(struct spi_master *master) if (of_node_test_and_set_flag(nc, OF_POPULATED)) continue; spi = of_register_spi_device(master, nc); - if (IS_ERR(spi)) + if (IS_ERR(spi)) { dev_warn(&master->dev, "Failed to create SPI device for %s\n", nc->full_name); + of_node_clear_flag(nc, OF_POPULATED); + } } } #else @@ -3131,6 +3133,7 @@ static int of_spi_notify(struct notifier_block *nb, unsigned long action, if (IS_ERR(spi)) { pr_err("%s: failed to create for '%s'\n", __func__, rd->dn->full_name); + of_node_clear_flag(rd->dn, OF_POPULATED); return notifier_from_errno(PTR_ERR(spi)); } break; diff --git a/drivers/staging/comedi/drivers/ni_tio.c b/drivers/staging/comedi/drivers/ni_tio.c index 7043eb0..5ab49a7 100644 --- a/drivers/staging/comedi/drivers/ni_tio.c +++ b/drivers/staging/comedi/drivers/ni_tio.c @@ -207,7 +207,8 @@ static int ni_tio_clock_period_ps(const struct ni_gpct *counter, * clock period is specified by user with prescaling * already taken into account. */ - return counter->clock_period_ps; + *period_ps = counter->clock_period_ps; + return 0; } switch (generic_clock_source & NI_GPCT_PRESCALE_MODE_CLOCK_SRC_MASK) { diff --git a/drivers/staging/greybus/arche-platform.c b/drivers/staging/greybus/arche-platform.c index 34307ac..d33d6fe 100644 --- a/drivers/staging/greybus/arche-platform.c +++ b/drivers/staging/greybus/arche-platform.c @@ -186,6 +186,7 @@ int arche_platform_change_state(enum arche_platform_state state, exit: spin_unlock_irqrestore(&arche_pdata->wake_lock, flags); mutex_unlock(&arche_pdata->platform_state_mutex); + put_device(&pdev->dev); of_node_put(np); return ret; } diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 5eecf1c..3892a74 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -655,6 +655,7 @@ static void ad5933_work(struct work_struct *work) __be16 buf[2]; int val[2]; unsigned char status; + int ret; mutex_lock(&indio_dev->mlock); if (st->state == AD5933_CTRL_INIT_START_FREQ) { @@ -662,19 +663,22 @@ static void ad5933_work(struct work_struct *work) ad5933_cmd(st, AD5933_CTRL_START_SWEEP); st->state = AD5933_CTRL_START_SWEEP; schedule_delayed_work(&st->work, st->poll_time_jiffies); - mutex_unlock(&indio_dev->mlock); - return; + goto out; } - ad5933_i2c_read(st->client, AD5933_REG_STATUS, 1, &status); + ret = ad5933_i2c_read(st->client, AD5933_REG_STATUS, 1, &status); + if (ret) + goto out; if (status & AD5933_STAT_DATA_VALID) { int scan_count = bitmap_weight(indio_dev->active_scan_mask, indio_dev->masklength); - ad5933_i2c_read(st->client, + ret = ad5933_i2c_read(st->client, test_bit(1, indio_dev->active_scan_mask) ? AD5933_REG_REAL_DATA : AD5933_REG_IMAG_DATA, scan_count * 2, (u8 *)buf); + if (ret) + goto out; if (scan_count == 2) { val[0] = be16_to_cpu(buf[0]); @@ -686,8 +690,7 @@ static void ad5933_work(struct work_struct *work) } else { /* no data available - try again later */ schedule_delayed_work(&st->work, st->poll_time_jiffies); - mutex_unlock(&indio_dev->mlock); - return; + goto out; } if (status & AD5933_STAT_SWEEP_DONE) { @@ -700,7 +703,7 @@ static void ad5933_work(struct work_struct *work) ad5933_cmd(st, AD5933_CTRL_INC_FREQ); schedule_delayed_work(&st->work, st->poll_time_jiffies); } - +out: mutex_unlock(&indio_dev->mlock); } diff --git a/drivers/staging/media/bcm2048/radio-bcm2048.c b/drivers/staging/media/bcm2048/radio-bcm2048.c index ea15cc6..4d9bd02 100644 --- a/drivers/staging/media/bcm2048/radio-bcm2048.c +++ b/drivers/staging/media/bcm2048/radio-bcm2048.c @@ -482,6 +482,8 @@ static int bcm2048_set_rds_no_lock(struct bcm2048_device *bdev, u8 rds_on) flags); memset(&bdev->rds_info, 0, sizeof(bdev->rds_info)); } + if (err) + return err; return bcm2048_send_command(bdev, BCM2048_I2C_FM_RDS_SYSTEM, bdev->cache_fm_rds_system); diff --git a/drivers/staging/nvec/nvec_ps2.c b/drivers/staging/nvec/nvec_ps2.c index a324322..499952c 100644 --- a/drivers/staging/nvec/nvec_ps2.c +++ b/drivers/staging/nvec/nvec_ps2.c @@ -106,13 +106,12 @@ static int nvec_mouse_probe(struct platform_device *pdev) { struct nvec_chip *nvec = dev_get_drvdata(pdev->dev.parent); struct serio *ser_dev; - char mouse_reset[] = { NVEC_PS2, SEND_COMMAND, PSMOUSE_RST, 3 }; - ser_dev = devm_kzalloc(&pdev->dev, sizeof(struct serio), GFP_KERNEL); + ser_dev = kzalloc(sizeof(struct serio), GFP_KERNEL); if (!ser_dev) return -ENOMEM; - ser_dev->id.type = SERIO_PS_PSTHRU; + ser_dev->id.type = SERIO_8042; ser_dev->write = ps2_sendcommand; ser_dev->start = ps2_startstreaming; ser_dev->stop = ps2_stopstreaming; @@ -127,9 +126,6 @@ static int nvec_mouse_probe(struct platform_device *pdev) serio_register_port(ser_dev); - /* mouse reset */ - nvec_write_async(nvec, mouse_reset, sizeof(mouse_reset)); - return 0; } diff --git a/drivers/staging/sm750fb/ddk750_reg.h b/drivers/staging/sm750fb/ddk750_reg.h index 9552479..4ed6d8d 100644 --- a/drivers/staging/sm750fb/ddk750_reg.h +++ b/drivers/staging/sm750fb/ddk750_reg.h @@ -601,13 +601,13 @@ #define PANEL_PLANE_TL 0x08001C #define PANEL_PLANE_TL_TOP_SHIFT 16 -#define PANEL_PLANE_TL_TOP_MASK (0xeff << 16) -#define PANEL_PLANE_TL_LEFT_MASK 0xeff +#define PANEL_PLANE_TL_TOP_MASK (0x7ff << 16) +#define PANEL_PLANE_TL_LEFT_MASK 0x7ff #define PANEL_PLANE_BR 0x080020 #define PANEL_PLANE_BR_BOTTOM_SHIFT 16 -#define PANEL_PLANE_BR_BOTTOM_MASK (0xeff << 16) -#define PANEL_PLANE_BR_RIGHT_MASK 0xeff +#define PANEL_PLANE_BR_BOTTOM_MASK (0x7ff << 16) +#define PANEL_PLANE_BR_RIGHT_MASK 0x7ff #define PANEL_HORIZONTAL_TOTAL 0x080024 #define PANEL_HORIZONTAL_TOTAL_TOTAL_SHIFT 16 diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 78f0f85..fada988 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -932,8 +932,6 @@ static int wait_serial_change(struct acm *acm, unsigned long arg) DECLARE_WAITQUEUE(wait, current); struct async_icount old, new; - if (arg & (TIOCM_DSR | TIOCM_RI | TIOCM_CD)) - return -EINVAL; do { spin_lock_irq(&acm->read_lock); old = acm->oldcount; @@ -1161,6 +1159,8 @@ static int acm_probe(struct usb_interface *intf, if (quirks == IGNORE_DEVICE) return -ENODEV; + memset(&h, 0x00, sizeof(struct usb_cdc_parsed_header)); + num_rx_buf = (quirks == SINGLE_RX_URB) ? 1 : ACM_NR; /* handle quirks deadly to normal probing*/ diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 7287a76..fea4469 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -769,15 +769,14 @@ static int dwc3_core_init(struct dwc3 *dwc) return 0; err4: - phy_power_off(dwc->usb2_generic_phy); + phy_power_off(dwc->usb3_generic_phy); err3: - phy_power_off(dwc->usb3_generic_phy); + phy_power_off(dwc->usb2_generic_phy); err2: usb_phy_set_suspend(dwc->usb2_phy, 1); usb_phy_set_suspend(dwc->usb3_phy, 1); - dwc3_core_exit(dwc); err1: usb_phy_shutdown(dwc->usb2_phy); diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c index 89a2f71..aaaf256 100644 --- a/drivers/usb/dwc3/dwc3-st.c +++ b/drivers/usb/dwc3/dwc3-st.c @@ -31,6 +31,7 @@ #include <linux/slab.h> #include <linux/regmap.h> #include <linux/reset.h> +#include <linux/pinctrl/consumer.h> #include <linux/usb/of.h> #include "core.h" diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c index 686067d..84a1709 100644 --- a/drivers/usb/gadget/function/u_ether.c +++ b/drivers/usb/gadget/function/u_ether.c @@ -579,14 +579,6 @@ static netdev_tx_t eth_start_xmit(struct sk_buff *skb, req->length = length; - /* throttle high/super speed IRQ rate back slightly */ - if (gadget_is_dualspeed(dev->gadget)) - req->no_interrupt = (((dev->gadget->speed == USB_SPEED_HIGH || - dev->gadget->speed == USB_SPEED_SUPER)) && - !list_empty(&dev->tx_reqs)) - ? ((atomic_read(&dev->tx_qlen) % dev->qmult) != 0) - : 0; - retval = usb_ep_queue(in, req, GFP_ATOMIC); switch (retval) { default: diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index d793f54..a9a1e4c 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -995,6 +995,14 @@ static void quirk_usb_handoff_xhci(struct pci_dev *pdev) } val = readl(base + ext_cap_offset); + /* Auto handoff never worked for these devices. Force it and continue */ + if ((pdev->vendor == PCI_VENDOR_ID_TI && pdev->device == 0x8241) || + (pdev->vendor == PCI_VENDOR_ID_RENESAS + && pdev->device == 0x0014)) { + val = (val | XHCI_HC_OS_OWNED) & ~XHCI_HC_BIOS_OWNED; + writel(val, base + ext_cap_offset); + } + /* If the BIOS owns the HC, signal that the OS wants it, and wait */ if (val & XHCI_HC_BIOS_OWNED) { writel(val | XHCI_HC_OS_OWNED, base + ext_cap_offset); diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c index 210b7e4..2440f88 100644 --- a/drivers/usb/musb/da8xx.c +++ b/drivers/usb/musb/da8xx.c @@ -479,7 +479,8 @@ static int da8xx_probe(struct platform_device *pdev) glue->phy = devm_phy_get(&pdev->dev, "usb-phy"); if (IS_ERR(glue->phy)) { - dev_err(&pdev->dev, "failed to get phy\n"); + if (PTR_ERR(glue->phy) != -EPROBE_DEFER) + dev_err(&pdev->dev, "failed to get phy\n"); return PTR_ERR(glue->phy); } diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 27dadc0..e01116e 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2114,11 +2114,6 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) musb->io.ep_offset = musb_flat_ep_offset; musb->io.ep_select = musb_flat_ep_select; } - /* And override them with platform specific ops if specified. */ - if (musb->ops->ep_offset) - musb->io.ep_offset = musb->ops->ep_offset; - if (musb->ops->ep_select) - musb->io.ep_select = musb->ops->ep_select; /* At least tusb6010 has its own offsets */ if (musb->ops->ep_offset) diff --git a/drivers/uwb/lc-rc.c b/drivers/uwb/lc-rc.c index d059ad4..97ee1b4 100644 --- a/drivers/uwb/lc-rc.c +++ b/drivers/uwb/lc-rc.c @@ -56,8 +56,11 @@ static struct uwb_rc *uwb_rc_find_by_index(int index) struct uwb_rc *rc = NULL; dev = class_find_device(&uwb_rc_class, NULL, &index, uwb_rc_index_match); - if (dev) + if (dev) { rc = dev_get_drvdata(dev); + put_device(dev); + } + return rc; } @@ -467,7 +470,9 @@ struct uwb_rc *__uwb_rc_try_get(struct uwb_rc *target_rc) if (dev) { rc = dev_get_drvdata(dev); __uwb_rc_get(rc); + put_device(dev); } + return rc; } EXPORT_SYMBOL_GPL(__uwb_rc_try_get); @@ -520,8 +525,11 @@ struct uwb_rc *uwb_rc_get_by_grandpa(const struct device *grandpa_dev) dev = class_find_device(&uwb_rc_class, NULL, grandpa_dev, find_rc_grandpa); - if (dev) + if (dev) { rc = dev_get_drvdata(dev); + put_device(dev); + } + return rc; } EXPORT_SYMBOL_GPL(uwb_rc_get_by_grandpa); @@ -553,8 +561,10 @@ struct uwb_rc *uwb_rc_get_by_dev(const struct uwb_dev_addr *addr) struct uwb_rc *rc = NULL; dev = class_find_device(&uwb_rc_class, NULL, addr, find_rc_dev); - if (dev) + if (dev) { rc = dev_get_drvdata(dev); + put_device(dev); + } return rc; } diff --git a/drivers/uwb/pal.c b/drivers/uwb/pal.c index c1304b8..678e937 100644 --- a/drivers/uwb/pal.c +++ b/drivers/uwb/pal.c @@ -97,6 +97,8 @@ static bool uwb_rc_class_device_exists(struct uwb_rc *target_rc) dev = class_find_device(&uwb_rc_class, NULL, target_rc, find_rc); + put_device(dev); + return (dev != NULL); } diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index d624a52..031bc08 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -829,8 +829,9 @@ static long vfio_pci_ioctl(void *device_data, } else if (cmd == VFIO_DEVICE_SET_IRQS) { struct vfio_irq_set hdr; + size_t size; u8 *data = NULL; - int ret = 0; + int max, ret = 0; minsz = offsetofend(struct vfio_irq_set, count); @@ -838,23 +839,31 @@ static long vfio_pci_ioctl(void *device_data, return -EFAULT; if (hdr.argsz < minsz || hdr.index >= VFIO_PCI_NUM_IRQS || + hdr.count >= (U32_MAX - hdr.start) || hdr.flags & ~(VFIO_IRQ_SET_DATA_TYPE_MASK | VFIO_IRQ_SET_ACTION_TYPE_MASK)) return -EINVAL; - if (!(hdr.flags & VFIO_IRQ_SET_DATA_NONE)) { - size_t size; - int max = vfio_pci_get_irq_count(vdev, hdr.index); + max = vfio_pci_get_irq_count(vdev, hdr.index); + if (hdr.start >= max || hdr.start + hdr.count > max) + return -EINVAL; - if (hdr.flags & VFIO_IRQ_SET_DATA_BOOL) - size = sizeof(uint8_t); - else if (hdr.flags & VFIO_IRQ_SET_DATA_EVENTFD) - size = sizeof(int32_t); - else - return -EINVAL; + switch (hdr.flags & VFIO_IRQ_SET_DATA_TYPE_MASK) { + case VFIO_IRQ_SET_DATA_NONE: + size = 0; + break; + case VFIO_IRQ_SET_DATA_BOOL: + size = sizeof(uint8_t); + break; + case VFIO_IRQ_SET_DATA_EVENTFD: + size = sizeof(int32_t); + break; + default: + return -EINVAL; + } - if (hdr.argsz - minsz < hdr.count * size || - hdr.start >= max || hdr.start + hdr.count > max) + if (size) { + if (hdr.argsz - minsz < hdr.count * size) return -EINVAL; data = memdup_user((void __user *)(arg + minsz), diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c index c2e6089..1c46045 100644 --- a/drivers/vfio/pci/vfio_pci_intrs.c +++ b/drivers/vfio/pci/vfio_pci_intrs.c @@ -256,7 +256,7 @@ static int vfio_msi_enable(struct vfio_pci_device *vdev, int nvec, bool msix) if (!is_irq_none(vdev)) return -EINVAL; - vdev->ctx = kzalloc(nvec * sizeof(struct vfio_pci_irq_ctx), GFP_KERNEL); + vdev->ctx = kcalloc(nvec, sizeof(struct vfio_pci_irq_ctx), GFP_KERNEL); if (!vdev->ctx) return -ENOMEM; diff --git a/drivers/virtio/config.c b/drivers/virtio/config.c deleted file mode 100644 index f70bcd2..0000000 --- a/drivers/virtio/config.c +++ /dev/null @@ -1,12 +0,0 @@ -/* Configuration space parsing helpers for virtio. - * - * The configuration is [type][len][... len bytes ...] fields. - * - * Copyright 2007 Rusty Russell, IBM Corporation. - * GPL v2 or later. - */ -#include <linux/err.h> -#include <linux/virtio.h> -#include <linux/virtio_config.h> -#include <linux/bug.h> - diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 4e7003d..181793f 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -577,6 +577,8 @@ static int virtballoon_probe(struct virtio_device *vdev) virtio_device_ready(vdev); + if (towards_target(vb)) + virtballoon_changed(vdev); return 0; out_del_vqs: diff --git a/drivers/virtio/virtio_pci_legacy.c b/drivers/virtio/virtio_pci_legacy.c index 8c4e617..6d9e517 100644 --- a/drivers/virtio/virtio_pci_legacy.c +++ b/drivers/virtio/virtio_pci_legacy.c @@ -212,10 +212,18 @@ int virtio_pci_legacy_probe(struct virtio_pci_device *vp_dev) return -ENODEV; } - rc = dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(64)); - if (rc) - rc = dma_set_mask_and_coherent(&pci_dev->dev, - DMA_BIT_MASK(32)); + rc = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(64)); + if (rc) { + rc = dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(32)); + } else { + /* + * The virtio ring base address is expressed as a 32-bit PFN, + * with a page size of 1 << VIRTIO_PCI_QUEUE_ADDR_SHIFT. + */ + dma_set_coherent_mask(&pci_dev->dev, + DMA_BIT_MASK(32 + VIRTIO_PCI_QUEUE_ADDR_SHIFT)); + } + if (rc) dev_warn(&pci_dev->dev, "Failed to enable 64-bit or 32-bit DMA. Trying to continue, but this might not work.\n"); diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index ed9c9ee..489bfc6 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -167,7 +167,7 @@ static bool vring_use_dma_api(struct virtio_device *vdev) * making all of the arch DMA ops work on the vring device itself * is a mess. For now, we use the parent device for DMA ops. */ -static struct device *vring_dma_dev(const struct vring_virtqueue *vq) +static inline struct device *vring_dma_dev(const struct vring_virtqueue *vq) { return vq->vq.vdev->dev.parent; } @@ -732,7 +732,8 @@ void virtqueue_disable_cb(struct virtqueue *_vq) if (!(vq->avail_flags_shadow & VRING_AVAIL_F_NO_INTERRUPT)) { vq->avail_flags_shadow |= VRING_AVAIL_F_NO_INTERRUPT; - vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow); + if (!vq->event) + vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow); } } @@ -764,7 +765,8 @@ unsigned virtqueue_enable_cb_prepare(struct virtqueue *_vq) * entry. Always do both to keep code simple. */ if (vq->avail_flags_shadow & VRING_AVAIL_F_NO_INTERRUPT) { vq->avail_flags_shadow &= ~VRING_AVAIL_F_NO_INTERRUPT; - vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow); + if (!vq->event) + vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow); } vring_used_event(&vq->vring) = cpu_to_virtio16(_vq->vdev, last_used_idx = vq->last_used_idx); END_USE(vq); @@ -832,10 +834,11 @@ bool virtqueue_enable_cb_delayed(struct virtqueue *_vq) * more to do. */ /* Depending on the VIRTIO_RING_F_USED_EVENT_IDX feature, we need to * either clear the flags bit or point the event index at the next - * entry. Always do both to keep code simple. */ + * entry. Always update the event index to keep code simple. */ if (vq->avail_flags_shadow & VRING_AVAIL_F_NO_INTERRUPT) { vq->avail_flags_shadow &= ~VRING_AVAIL_F_NO_INTERRUPT; - vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow); + if (!vq->event) + vq->vring.avail->flags = cpu_to_virtio16(_vq->vdev, vq->avail_flags_shadow); } /* TODO: tune this threshold */ bufs = (u16)(vq->avail_idx_shadow - vq->last_used_idx) * 3 / 4; @@ -953,7 +956,8 @@ struct virtqueue *__vring_new_virtqueue(unsigned int index, /* No callback? Tell other side not to bother us. */ if (!callback) { vq->avail_flags_shadow |= VRING_AVAIL_F_NO_INTERRUPT; - vq->vring.avail->flags = cpu_to_virtio16(vdev, vq->avail_flags_shadow); + if (!vq->event) + vq->vring.avail->flags = cpu_to_virtio16(vdev, vq->avail_flags_shadow); } /* Put everything in free lists. */ @@ -1078,6 +1078,17 @@ static void aio_complete(struct kiocb *kiocb, long res, long res2) unsigned tail, pos, head; unsigned long flags; + if (kiocb->ki_flags & IOCB_WRITE) { + struct file *file = kiocb->ki_filp; + + /* + * Tell lockdep we inherited freeze protection from submission + * thread. + */ + __sb_writers_acquired(file_inode(file)->i_sb, SB_FREEZE_WRITE); + file_end_write(file); + } + /* * Special case handling for sync iocbs: * - events go directly into the iocb for fast handling @@ -1392,122 +1403,106 @@ SYSCALL_DEFINE1(io_destroy, aio_context_t, ctx) return -EINVAL; } -typedef ssize_t (rw_iter_op)(struct kiocb *, struct iov_iter *); - -static int aio_setup_vectored_rw(int rw, char __user *buf, size_t len, - struct iovec **iovec, - bool compat, - struct iov_iter *iter) +static int aio_setup_rw(int rw, struct iocb *iocb, struct iovec **iovec, + bool vectored, bool compat, struct iov_iter *iter) { + void __user *buf = (void __user *)(uintptr_t)iocb->aio_buf; + size_t len = iocb->aio_nbytes; + + if (!vectored) { + ssize_t ret = import_single_range(rw, buf, len, *iovec, iter); + *iovec = NULL; + return ret; + } #ifdef CONFIG_COMPAT if (compat) - return compat_import_iovec(rw, - (struct compat_iovec __user *)buf, - len, UIO_FASTIOV, iovec, iter); + return compat_import_iovec(rw, buf, len, UIO_FASTIOV, iovec, + iter); #endif - return import_iovec(rw, (struct iovec __user *)buf, - len, UIO_FASTIOV, iovec, iter); + return import_iovec(rw, buf, len, UIO_FASTIOV, iovec, iter); } -/* - * aio_run_iocb: - * Performs the initial checks and io submission. - */ -static ssize_t aio_run_iocb(struct kiocb *req, unsigned opcode, - char __user *buf, size_t len, bool compat) +static inline ssize_t aio_ret(struct kiocb *req, ssize_t ret) +{ + switch (ret) { + case -EIOCBQUEUED: + return ret; + case -ERESTARTSYS: + case -ERESTARTNOINTR: + case -ERESTARTNOHAND: + case -ERESTART_RESTARTBLOCK: + /* + * There's no easy way to restart the syscall since other AIO's + * may be already running. Just fail this IO with EINTR. + */ + ret = -EINTR; + /*FALLTHRU*/ + default: + aio_complete(req, ret, 0); + return 0; + } +} + +static ssize_t aio_read(struct kiocb *req, struct iocb *iocb, bool vectored, + bool compat) { struct file *file = req->ki_filp; - ssize_t ret; - int rw; - fmode_t mode; - rw_iter_op *iter_op; struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs; struct iov_iter iter; + ssize_t ret; - switch (opcode) { - case IOCB_CMD_PREAD: - case IOCB_CMD_PREADV: - mode = FMODE_READ; - rw = READ; - iter_op = file->f_op->read_iter; - goto rw_common; - - case IOCB_CMD_PWRITE: - case IOCB_CMD_PWRITEV: - mode = FMODE_WRITE; - rw = WRITE; - iter_op = file->f_op->write_iter; - goto rw_common; -rw_common: - if (unlikely(!(file->f_mode & mode))) - return -EBADF; - - if (!iter_op) - return -EINVAL; - - if (opcode == IOCB_CMD_PREADV || opcode == IOCB_CMD_PWRITEV) - ret = aio_setup_vectored_rw(rw, buf, len, - &iovec, compat, &iter); - else { - ret = import_single_range(rw, buf, len, iovec, &iter); - iovec = NULL; - } - if (!ret) - ret = rw_verify_area(rw, file, &req->ki_pos, - iov_iter_count(&iter)); - if (ret < 0) { - kfree(iovec); - return ret; - } - - if (rw == WRITE) - file_start_write(file); - - ret = iter_op(req, &iter); - - if (rw == WRITE) - file_end_write(file); - kfree(iovec); - break; - - case IOCB_CMD_FDSYNC: - if (!file->f_op->aio_fsync) - return -EINVAL; - - ret = file->f_op->aio_fsync(req, 1); - break; + if (unlikely(!(file->f_mode & FMODE_READ))) + return -EBADF; + if (unlikely(!file->f_op->read_iter)) + return -EINVAL; - case IOCB_CMD_FSYNC: - if (!file->f_op->aio_fsync) - return -EINVAL; + ret = aio_setup_rw(READ, iocb, &iovec, vectored, compat, &iter); + if (ret) + return ret; + ret = rw_verify_area(READ, file, &req->ki_pos, iov_iter_count(&iter)); + if (!ret) + ret = aio_ret(req, file->f_op->read_iter(req, &iter)); + kfree(iovec); + return ret; +} - ret = file->f_op->aio_fsync(req, 0); - break; +static ssize_t aio_write(struct kiocb *req, struct iocb *iocb, bool vectored, + bool compat) +{ + struct file *file = req->ki_filp; + struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs; + struct iov_iter iter; + ssize_t ret; - default: - pr_debug("EINVAL: no operation provided\n"); + if (unlikely(!(file->f_mode & FMODE_WRITE))) + return -EBADF; + if (unlikely(!file->f_op->write_iter)) return -EINVAL; - } - if (ret != -EIOCBQUEUED) { + ret = aio_setup_rw(WRITE, iocb, &iovec, vectored, compat, &iter); + if (ret) + return ret; + ret = rw_verify_area(WRITE, file, &req->ki_pos, iov_iter_count(&iter)); + if (!ret) { + req->ki_flags |= IOCB_WRITE; + file_start_write(file); + ret = aio_ret(req, file->f_op->write_iter(req, &iter)); /* - * There's no easy way to restart the syscall since other AIO's - * may be already running. Just fail this IO with EINTR. + * We release freeze protection in aio_complete(). Fool lockdep + * by telling it the lock got released so that it doesn't + * complain about held lock when we return to userspace. */ - if (unlikely(ret == -ERESTARTSYS || ret == -ERESTARTNOINTR || - ret == -ERESTARTNOHAND || - ret == -ERESTART_RESTARTBLOCK)) - ret = -EINTR; - aio_complete(req, ret, 0); + __sb_writers_release(file_inode(file)->i_sb, SB_FREEZE_WRITE); } - - return 0; + kfree(iovec); + return ret; } static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb, struct iocb *iocb, bool compat) { struct aio_kiocb *req; + struct file *file; ssize_t ret; /* enforce forwards compatibility on users */ @@ -1530,7 +1525,7 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb, if (unlikely(!req)) return -EAGAIN; - req->common.ki_filp = fget(iocb->aio_fildes); + req->common.ki_filp = file = fget(iocb->aio_fildes); if (unlikely(!req->common.ki_filp)) { ret = -EBADF; goto out_put_req; @@ -1565,13 +1560,29 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb, req->ki_user_iocb = user_iocb; req->ki_user_data = iocb->aio_data; - ret = aio_run_iocb(&req->common, iocb->aio_lio_opcode, - (char __user *)(unsigned long)iocb->aio_buf, - iocb->aio_nbytes, - compat); - if (ret) - goto out_put_req; + get_file(file); + switch (iocb->aio_lio_opcode) { + case IOCB_CMD_PREAD: + ret = aio_read(&req->common, iocb, false, compat); + break; + case IOCB_CMD_PWRITE: + ret = aio_write(&req->common, iocb, false, compat); + break; + case IOCB_CMD_PREADV: + ret = aio_read(&req->common, iocb, true, compat); + break; + case IOCB_CMD_PWRITEV: + ret = aio_write(&req->common, iocb, true, compat); + break; + default: + pr_debug("invalid aio operation %d\n", iocb->aio_lio_opcode); + ret = -EINVAL; + break; + } + fput(file); + if (ret && ret != -EIOCBQUEUED) + goto out_put_req; return 0; out_put_req: put_reqs_available(ctx, 1); diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 210c94a..4607af3 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2647,7 +2647,10 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, btrfs_free_delayed_extent_op(extent_op); if (ret) { + spin_lock(&delayed_refs->lock); locked_ref->processing = 0; + delayed_refs->num_heads_ready++; + spin_unlock(&delayed_refs->lock); btrfs_delayed_ref_unlock(locked_ref); btrfs_put_delayed_ref(ref); btrfs_debug(fs_info, "run_one_delayed_ref returned %d", diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 66a7551..8ed05d9 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -5569,7 +5569,7 @@ void le_bitmap_set(u8 *map, unsigned int start, int len) *p |= mask_to_set; len -= bits_to_set; bits_to_set = BITS_PER_BYTE; - mask_to_set = ~(u8)0; + mask_to_set = ~0; p++; } if (len) { @@ -5589,7 +5589,7 @@ void le_bitmap_clear(u8 *map, unsigned int start, int len) *p &= ~mask_to_clear; len -= bits_to_clear; bits_to_clear = BITS_PER_BYTE; - mask_to_clear = ~(u8)0; + mask_to_clear = ~0; p++; } if (len) { @@ -5679,7 +5679,7 @@ void extent_buffer_bitmap_set(struct extent_buffer *eb, unsigned long start, kaddr[offset] |= mask_to_set; len -= bits_to_set; bits_to_set = BITS_PER_BYTE; - mask_to_set = ~(u8)0; + mask_to_set = ~0; if (++offset >= PAGE_SIZE && len > 0) { offset = 0; page = eb->pages[++i]; @@ -5721,7 +5721,7 @@ void extent_buffer_bitmap_clear(struct extent_buffer *eb, unsigned long start, kaddr[offset] &= ~mask_to_clear; len -= bits_to_clear; bits_to_clear = BITS_PER_BYTE; - mask_to_clear = ~(u8)0; + mask_to_clear = ~0; if (++offset >= PAGE_SIZE && len > 0) { offset = 0; page = eb->pages[++i]; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 2b790bd..8e3a5a2 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4605,8 +4605,8 @@ delete: BUG_ON(ret); if (btrfs_should_throttle_delayed_refs(trans, root)) btrfs_async_run_delayed_refs(root, - trans->transid, - trans->delayed_ref_updates * 2, 0); + trans->delayed_ref_updates * 2, + trans->transid, 0); if (be_nice) { if (truncate_space_check(trans, root, extent_num_bytes)) { @@ -8931,9 +8931,14 @@ again: * So even we call qgroup_free_data(), it won't decrease reserved * space. * 2) Not written to disk - * This means the reserved space should be freed here. + * This means the reserved space should be freed here. However, + * if a truncate invalidates the page (by clearing PageDirty) + * and the page is accounted for while allocating extent + * in btrfs_check_data_free_space() we let delayed_ref to + * free the entire extent. */ - btrfs_qgroup_free_data(inode, page_start, PAGE_SIZE); + if (PageDirty(page)) + btrfs_qgroup_free_data(inode, page_start, PAGE_SIZE); if (!inode_evicting) { clear_extent_bit(tree, page_start, page_end, EXTENT_LOCKED | EXTENT_DIRTY | diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 18e1aa0f..7acbd2c 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3814,6 +3814,11 @@ process_slot: } btrfs_release_path(path); key.offset = next_key_min_offset; + + if (fatal_signal_pending(current)) { + ret = -EINTR; + goto out; + } } ret = 0; diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index 0ec8ffa..c4af0cd 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -2728,7 +2728,14 @@ static int do_relocation(struct btrfs_trans_handle *trans, bytenr = btrfs_node_blockptr(upper->eb, slot); if (lowest) { - BUG_ON(bytenr != node->bytenr); + if (bytenr != node->bytenr) { + btrfs_err(root->fs_info, + "lowest leaf/node mismatch: bytenr %llu node->bytenr %llu slot %d upper %llu", + bytenr, node->bytenr, slot, + upper->eb->start); + err = -EIO; + goto next; + } } else { if (node->eb->start == bytenr) goto next; diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 18630e8..f995e35 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -1770,7 +1770,6 @@ const struct file_operations ceph_file_fops = { .fsync = ceph_fsync, .lock = ceph_lock, .flock = ceph_flock, - .splice_read = generic_file_splice_read, .splice_write = iter_file_splice_write, .unlocked_ioctl = ceph_ioctl, .compat_ioctl = ceph_ioctl, diff --git a/fs/coredump.c b/fs/coredump.c index 281b768..eb9c92c 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -1,6 +1,7 @@ #include <linux/slab.h> #include <linux/file.h> #include <linux/fdtable.h> +#include <linux/freezer.h> #include <linux/mm.h> #include <linux/stat.h> #include <linux/fcntl.h> @@ -423,7 +424,9 @@ static int coredump_wait(int exit_code, struct core_state *core_state) if (core_waiters > 0) { struct core_thread *ptr; + freezer_do_not_count(); wait_for_completion(&core_state->startup); + freezer_count(); /* * Wait for all the threads to become inactive, so that * all the thread context (extended register state, like diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 7555ba8..ebecfb8 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -314,7 +314,8 @@ static struct nfs_client *nfs_match_client(const struct nfs_client_initdata *dat /* Match the full socket address */ if (!rpc_cmp_addr_port(sap, clap)) /* Match all xprt_switch full socket addresses */ - if (!rpc_clnt_xprt_switch_has_addr(clp->cl_rpcclient, + if (IS_ERR(clp->cl_rpcclient) || + !rpc_clnt_xprt_switch_has_addr(clp->cl_rpcclient, sap)) continue; diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index c8162c6..5551e8e 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -98,7 +98,7 @@ rename_retry: return end; } namelen = strlen(base); - if (flags & NFS_PATH_CANONICAL) { + if (*end == '/') { /* Strip off excess slashes in base string */ while (namelen > 0 && base[namelen - 1] == '/') namelen--; diff --git a/fs/nfs/nfs4session.c b/fs/nfs/nfs4session.c index b629730..a61350f 100644 --- a/fs/nfs/nfs4session.c +++ b/fs/nfs/nfs4session.c @@ -178,12 +178,14 @@ static int nfs4_slot_get_seqid(struct nfs4_slot_table *tbl, u32 slotid, __must_hold(&tbl->slot_tbl_lock) { struct nfs4_slot *slot; + int ret; slot = nfs4_lookup_slot(tbl, slotid); - if (IS_ERR(slot)) - return PTR_ERR(slot); - *seq_nr = slot->seq_nr; - return 0; + ret = PTR_ERR_OR_ZERO(slot); + if (!ret) + *seq_nr = slot->seq_nr; + + return ret; } /* @@ -196,7 +198,7 @@ static int nfs4_slot_get_seqid(struct nfs4_slot_table *tbl, u32 slotid, static bool nfs4_slot_seqid_in_use(struct nfs4_slot_table *tbl, u32 slotid, u32 seq_nr) { - u32 cur_seq; + u32 cur_seq = 0; bool ret = false; spin_lock(&tbl->slot_tbl_lock); diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 56b2d96..259ef85 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -146,6 +146,8 @@ set_pnfs_layoutdriver(struct nfs_server *server, const struct nfs_fh *mntfh, u32 id; int i; + if (fsinfo->nlayouttypes == 0) + goto out_no_driver; if (!(server->nfs_client->cl_exchange_flags & (EXCHGID4_FLAG_USE_NON_PNFS | EXCHGID4_FLAG_USE_PNFS_MDS))) { printk(KERN_ERR "NFS: %s: cl_exchange_flags 0x%x\n", diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h index b10d557..ee36efd 100644 --- a/fs/nfsd/netns.h +++ b/fs/nfsd/netns.h @@ -84,6 +84,8 @@ struct nfsd_net { struct list_head client_lru; struct list_head close_lru; struct list_head del_recall_lru; + + /* protected by blocked_locks_lock */ struct list_head blocked_locks_lru; struct delayed_work laundromat_work; @@ -91,6 +93,9 @@ struct nfsd_net { /* client_lock protects the client lru list and session hash table */ spinlock_t client_lock; + /* protects blocked_locks_lru */ + spinlock_t blocked_locks_lock; + struct file *rec_file; bool in_grace; const struct nfsd4_client_tracking_ops *client_tracking_ops; diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 9752beb..4b4beaa 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -217,7 +217,7 @@ find_blocked_lock(struct nfs4_lockowner *lo, struct knfsd_fh *fh, { struct nfsd4_blocked_lock *cur, *found = NULL; - spin_lock(&nn->client_lock); + spin_lock(&nn->blocked_locks_lock); list_for_each_entry(cur, &lo->lo_blocked, nbl_list) { if (fh_match(fh, &cur->nbl_fh)) { list_del_init(&cur->nbl_list); @@ -226,7 +226,7 @@ find_blocked_lock(struct nfs4_lockowner *lo, struct knfsd_fh *fh, break; } } - spin_unlock(&nn->client_lock); + spin_unlock(&nn->blocked_locks_lock); if (found) posix_unblock_lock(&found->nbl_lock); return found; @@ -1227,9 +1227,7 @@ static void put_ol_stateid_locked(struct nfs4_ol_stateid *stp, static bool unhash_lock_stateid(struct nfs4_ol_stateid *stp) { - struct nfs4_openowner *oo = openowner(stp->st_openstp->st_stateowner); - - lockdep_assert_held(&oo->oo_owner.so_client->cl_lock); + lockdep_assert_held(&stp->st_stid.sc_client->cl_lock); list_del_init(&stp->st_locks); nfs4_unhash_stid(&stp->st_stid); @@ -1238,12 +1236,12 @@ static bool unhash_lock_stateid(struct nfs4_ol_stateid *stp) static void release_lock_stateid(struct nfs4_ol_stateid *stp) { - struct nfs4_openowner *oo = openowner(stp->st_openstp->st_stateowner); + struct nfs4_client *clp = stp->st_stid.sc_client; bool unhashed; - spin_lock(&oo->oo_owner.so_client->cl_lock); + spin_lock(&clp->cl_lock); unhashed = unhash_lock_stateid(stp); - spin_unlock(&oo->oo_owner.so_client->cl_lock); + spin_unlock(&clp->cl_lock); if (unhashed) nfs4_put_stid(&stp->st_stid); } @@ -4665,7 +4663,7 @@ nfs4_laundromat(struct nfsd_net *nn) * indefinitely once the lock does become free. */ BUG_ON(!list_empty(&reaplist)); - spin_lock(&nn->client_lock); + spin_lock(&nn->blocked_locks_lock); while (!list_empty(&nn->blocked_locks_lru)) { nbl = list_first_entry(&nn->blocked_locks_lru, struct nfsd4_blocked_lock, nbl_lru); @@ -4678,7 +4676,7 @@ nfs4_laundromat(struct nfsd_net *nn) list_move(&nbl->nbl_lru, &reaplist); list_del_init(&nbl->nbl_list); } - spin_unlock(&nn->client_lock); + spin_unlock(&nn->blocked_locks_lock); while (!list_empty(&reaplist)) { nbl = list_first_entry(&nn->blocked_locks_lru, @@ -5439,13 +5437,13 @@ nfsd4_lm_notify(struct file_lock *fl) bool queue = false; /* An empty list means that something else is going to be using it */ - spin_lock(&nn->client_lock); + spin_lock(&nn->blocked_locks_lock); if (!list_empty(&nbl->nbl_list)) { list_del_init(&nbl->nbl_list); list_del_init(&nbl->nbl_lru); queue = true; } - spin_unlock(&nn->client_lock); + spin_unlock(&nn->blocked_locks_lock); if (queue) nfsd4_run_cb(&nbl->nbl_cb); @@ -5868,10 +5866,10 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, if (fl_flags & FL_SLEEP) { nbl->nbl_time = jiffies; - spin_lock(&nn->client_lock); + spin_lock(&nn->blocked_locks_lock); list_add_tail(&nbl->nbl_list, &lock_sop->lo_blocked); list_add_tail(&nbl->nbl_lru, &nn->blocked_locks_lru); - spin_unlock(&nn->client_lock); + spin_unlock(&nn->blocked_locks_lock); } err = vfs_lock_file(filp, F_SETLK, file_lock, conflock); @@ -5900,10 +5898,10 @@ out: if (nbl) { /* dequeue it if we queued it before */ if (fl_flags & FL_SLEEP) { - spin_lock(&nn->client_lock); + spin_lock(&nn->blocked_locks_lock); list_del_init(&nbl->nbl_list); list_del_init(&nbl->nbl_lru); - spin_unlock(&nn->client_lock); + spin_unlock(&nn->blocked_locks_lock); } free_blocked_lock(nbl); } @@ -6943,9 +6941,11 @@ static int nfs4_state_create_net(struct net *net) INIT_LIST_HEAD(&nn->client_lru); INIT_LIST_HEAD(&nn->close_lru); INIT_LIST_HEAD(&nn->del_recall_lru); - INIT_LIST_HEAD(&nn->blocked_locks_lru); spin_lock_init(&nn->client_lock); + spin_lock_init(&nn->blocked_locks_lock); + INIT_LIST_HEAD(&nn->blocked_locks_lru); + INIT_DELAYED_WORK(&nn->laundromat_work, laundromat_main); get_net(net); @@ -7063,14 +7063,14 @@ nfs4_state_shutdown_net(struct net *net) } BUG_ON(!list_empty(&reaplist)); - spin_lock(&nn->client_lock); + spin_lock(&nn->blocked_locks_lock); while (!list_empty(&nn->blocked_locks_lru)) { nbl = list_first_entry(&nn->blocked_locks_lru, struct nfsd4_blocked_lock, nbl_lru); list_move(&nbl->nbl_lru, &reaplist); list_del_init(&nbl->nbl_list); } - spin_unlock(&nn->client_lock); + spin_unlock(&nn->blocked_locks_lock); while (!list_empty(&reaplist)) { nbl = list_first_entry(&nn->blocked_locks_lru, diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c index a186135..0ee19ec 100644 --- a/fs/ntfs/dir.c +++ b/fs/ntfs/dir.c @@ -1544,8 +1544,6 @@ const struct file_operations ntfs_dir_ops = { .iterate = ntfs_readdir, /* Read directory contents. */ #ifdef NTFS_RW .fsync = ntfs_dir_fsync, /* Sync a directory to disk. */ - /*.aio_fsync = ,*/ /* Sync all outstanding async - i/o operations on a kiocb. */ #endif /* NTFS_RW */ /*.ioctl = ,*/ /* Perform function on the mounted filesystem. */ diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index e7054e2..3ecb9f3 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -3699,7 +3699,7 @@ static void ocfs2_dx_dir_transfer_leaf(struct inode *dir, u32 split_hash, static int ocfs2_dx_dir_rebalance_credits(struct ocfs2_super *osb, struct ocfs2_dx_root_block *dx_root) { - int credits = ocfs2_clusters_to_blocks(osb->sb, 2); + int credits = ocfs2_clusters_to_blocks(osb->sb, 3); credits += ocfs2_calc_extend_credits(osb->sb, &dx_root->dr_list); credits += ocfs2_quota_trans_credits(osb->sb); diff --git a/fs/orangefs/orangefs-debugfs.c b/fs/orangefs/orangefs-debugfs.c index eb09aa0..d484068 100644 --- a/fs/orangefs/orangefs-debugfs.c +++ b/fs/orangefs/orangefs-debugfs.c @@ -141,6 +141,9 @@ static struct client_debug_mask client_debug_mask; */ static DEFINE_MUTEX(orangefs_debug_lock); +/* Used to protect data in ORANGEFS_KMOD_DEBUG_HELP_FILE */ +static DEFINE_MUTEX(orangefs_help_file_lock); + /* * initialize kmod debug operations, create orangefs debugfs dir and * ORANGEFS_KMOD_DEBUG_HELP_FILE. @@ -289,6 +292,8 @@ static void *help_start(struct seq_file *m, loff_t *pos) gossip_debug(GOSSIP_DEBUGFS_DEBUG, "help_start: start\n"); + mutex_lock(&orangefs_help_file_lock); + if (*pos == 0) payload = m->private; @@ -305,6 +310,7 @@ static void *help_next(struct seq_file *m, void *v, loff_t *pos) static void help_stop(struct seq_file *m, void *p) { gossip_debug(GOSSIP_DEBUGFS_DEBUG, "help_stop: start\n"); + mutex_unlock(&orangefs_help_file_lock); } static int help_show(struct seq_file *m, void *v) @@ -610,32 +616,54 @@ out: * /sys/kernel/debug/orangefs/debug-help can be catted to * see all the available kernel and client debug keywords. * - * When the kernel boots, we have no idea what keywords the + * When orangefs.ko initializes, we have no idea what keywords the * client supports, nor their associated masks. * - * We pass through this function once at boot and stamp a + * We pass through this function once at module-load and stamp a * boilerplate "we don't know" message for the client in the * debug-help file. We pass through here again when the client * starts and then we can fill out the debug-help file fully. * * The client might be restarted any number of times between - * reboots, we only build the debug-help file the first time. + * module reloads, we only build the debug-help file the first time. */ int orangefs_prepare_debugfs_help_string(int at_boot) { - int rc = -EINVAL; - int i; - int byte_count = 0; char *client_title = "Client Debug Keywords:\n"; char *kernel_title = "Kernel Debug Keywords:\n"; + size_t string_size = DEBUG_HELP_STRING_SIZE; + size_t result_size; + size_t i; + char *new; + int rc = -EINVAL; gossip_debug(GOSSIP_UTILS_DEBUG, "%s: start\n", __func__); - if (at_boot) { - byte_count += strlen(HELP_STRING_UNINITIALIZED); + if (at_boot) client_title = HELP_STRING_UNINITIALIZED; - } else { - /* + + /* build a new debug_help_string. */ + new = kzalloc(DEBUG_HELP_STRING_SIZE, GFP_KERNEL); + if (!new) { + rc = -ENOMEM; + goto out; + } + + /* + * strlcat(dst, src, size) will append at most + * "size - strlen(dst) - 1" bytes of src onto dst, + * null terminating the result, and return the total + * length of the string it tried to create. + * + * We'll just plow through here building our new debug + * help string and let strlcat take care of assuring that + * dst doesn't overflow. + */ + strlcat(new, client_title, string_size); + + if (!at_boot) { + + /* * fill the client keyword/mask array and remember * how many elements there were. */ @@ -644,64 +672,40 @@ int orangefs_prepare_debugfs_help_string(int at_boot) if (cdm_element_count <= 0) goto out; - /* Count the bytes destined for debug_help_string. */ - byte_count += strlen(client_title); - for (i = 0; i < cdm_element_count; i++) { - byte_count += strlen(cdm_array[i].keyword + 2); - if (byte_count >= DEBUG_HELP_STRING_SIZE) { - pr_info("%s: overflow 1!\n", __func__); - goto out; - } + strlcat(new, "\t", string_size); + strlcat(new, cdm_array[i].keyword, string_size); + strlcat(new, "\n", string_size); } - - gossip_debug(GOSSIP_UTILS_DEBUG, - "%s: cdm_element_count:%d:\n", - __func__, - cdm_element_count); } - byte_count += strlen(kernel_title); + strlcat(new, "\n", string_size); + strlcat(new, kernel_title, string_size); + for (i = 0; i < num_kmod_keyword_mask_map; i++) { - byte_count += - strlen(s_kmod_keyword_mask_map[i].keyword + 2); - if (byte_count >= DEBUG_HELP_STRING_SIZE) { - pr_info("%s: overflow 2!\n", __func__); - goto out; - } + strlcat(new, "\t", string_size); + strlcat(new, s_kmod_keyword_mask_map[i].keyword, string_size); + result_size = strlcat(new, "\n", string_size); } - /* build debug_help_string. */ - debug_help_string = kzalloc(DEBUG_HELP_STRING_SIZE, GFP_KERNEL); - if (!debug_help_string) { - rc = -ENOMEM; + /* See if we tried to put too many bytes into "new"... */ + if (result_size >= string_size) { + kfree(new); goto out; } - strcat(debug_help_string, client_title); - - if (!at_boot) { - for (i = 0; i < cdm_element_count; i++) { - strcat(debug_help_string, "\t"); - strcat(debug_help_string, cdm_array[i].keyword); - strcat(debug_help_string, "\n"); - } - } - - strcat(debug_help_string, "\n"); - strcat(debug_help_string, kernel_title); - - for (i = 0; i < num_kmod_keyword_mask_map; i++) { - strcat(debug_help_string, "\t"); - strcat(debug_help_string, s_kmod_keyword_mask_map[i].keyword); - strcat(debug_help_string, "\n"); + if (at_boot) { + debug_help_string = new; + } else { + mutex_lock(&orangefs_help_file_lock); + memset(debug_help_string, 0, DEBUG_HELP_STRING_SIZE); + strlcat(debug_help_string, new, string_size); + mutex_unlock(&orangefs_help_file_lock); } rc = 0; -out: - - return rc; +out: return rc; } @@ -959,8 +963,12 @@ int orangefs_debugfs_new_client_string(void __user *arg) ret = copy_from_user(&client_debug_array_string, (void __user *)arg, ORANGEFS_MAX_DEBUG_STRING_LEN); - if (ret != 0) + + if (ret != 0) { + pr_info("%s: CLIENT_STRING: copy_from_user failed\n", + __func__); return -EIO; + } /* * The real client-core makes an effort to ensure @@ -975,45 +983,18 @@ int orangefs_debugfs_new_client_string(void __user *arg) client_debug_array_string[ORANGEFS_MAX_DEBUG_STRING_LEN - 1] = '\0'; - if (ret != 0) { - pr_info("%s: CLIENT_STRING: copy_from_user failed\n", - __func__); - return -EIO; - } - pr_info("%s: client debug array string has been received.\n", __func__); if (!help_string_initialized) { - /* Free the "we don't know yet" default string... */ - kfree(debug_help_string); - - /* build a proper debug help string */ + /* Build a proper debug help string. */ if (orangefs_prepare_debugfs_help_string(0)) { gossip_err("%s: no debug help string \n", __func__); return -EIO; } - /* Replace the boilerplate boot-time debug-help file. */ - debugfs_remove(help_file_dentry); - - help_file_dentry = - debugfs_create_file( - ORANGEFS_KMOD_DEBUG_HELP_FILE, - 0444, - debug_dir, - debug_help_string, - &debug_help_fops); - - if (!help_file_dentry) { - gossip_err("%s: debugfs_create_file failed for" - " :%s:!\n", - __func__, - ORANGEFS_KMOD_DEBUG_HELP_FILE); - return -EIO; - } } debug_mask_to_string(&client_debug_mask, 1); diff --git a/fs/orangefs/orangefs-mod.c b/fs/orangefs/orangefs-mod.c index 2e5b030..4113eb0 100644 --- a/fs/orangefs/orangefs-mod.c +++ b/fs/orangefs/orangefs-mod.c @@ -124,7 +124,7 @@ static int __init orangefs_init(void) * unknown at boot time. * * orangefs_prepare_debugfs_help_string will be used again - * later to rebuild the debug-help file after the client starts + * later to rebuild the debug-help-string after the client starts * and passes along the needed info. The argument signifies * which time orangefs_prepare_debugfs_help_string is being * called. @@ -152,7 +152,9 @@ static int __init orangefs_init(void) ret = register_filesystem(&orangefs_fs_type); if (ret == 0) { - pr_info("orangefs: module version %s loaded\n", ORANGEFS_VERSION); + pr_info("%s: module version %s loaded\n", + __func__, + ORANGEFS_VERSION); ret = 0; goto out; } diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index aeb60f7..36795ee 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -178,6 +178,8 @@ static int ovl_copy_up_data(struct path *old, struct path *new, loff_t len) len -= bytes; } + if (!error) + error = vfs_fsync(new_file, 0); fput(new_file); out_fput: fput(old_file); diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index c58f01b..7fb53d0 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -270,9 +270,6 @@ struct posix_acl *ovl_get_acl(struct inode *inode, int type) if (!IS_ENABLED(CONFIG_FS_POSIX_ACL) || !IS_POSIXACL(realinode)) return NULL; - if (!realinode->i_op->get_acl) - return NULL; - old_cred = ovl_override_creds(inode->i_sb); acl = get_acl(realinode, type); revert_creds(old_cred); diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index bcf3965..edd46a0 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -1037,6 +1037,21 @@ ovl_posix_acl_xattr_set(const struct xattr_handler *handler, posix_acl_release(acl); + /* + * Check if sgid bit needs to be cleared (actual setacl operation will + * be done with mounter's capabilities and so that won't do it for us). + */ + if (unlikely(inode->i_mode & S_ISGID) && + handler->flags == ACL_TYPE_ACCESS && + !in_group_p(inode->i_gid) && + !capable_wrt_inode_uidgid(inode, CAP_FSETID)) { + struct iattr iattr = { .ia_valid = ATTR_KILL_SGID }; + + err = ovl_setattr(dentry, &iattr); + if (err) + return err; + } + err = ovl_xattr_set(dentry, handler->name, value, size, flags); if (!err) ovl_copyattr(ovl_inode_real(inode, NULL), inode); diff --git a/fs/splice.c b/fs/splice.c index 153d4f3..dcaf185 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -299,13 +299,8 @@ ssize_t generic_file_splice_read(struct file *in, loff_t *ppos, { struct iov_iter to; struct kiocb kiocb; - loff_t isize; int idx, ret; - isize = i_size_read(in->f_mapping->host); - if (unlikely(*ppos >= isize)) - return 0; - iov_iter_pipe(&to, ITER_PIPE | READ, pipe, len); idx = to.idx; init_sync_kiocb(&kiocb, in); diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c index 613c5cf1..5c2929f 100644 --- a/fs/xfs/libxfs/xfs_defer.c +++ b/fs/xfs/libxfs/xfs_defer.c @@ -199,9 +199,9 @@ xfs_defer_intake_work( struct xfs_defer_pending *dfp; list_for_each_entry(dfp, &dop->dop_intake, dfp_list) { - trace_xfs_defer_intake_work(tp->t_mountp, dfp); dfp->dfp_intent = dfp->dfp_type->create_intent(tp, dfp->dfp_count); + trace_xfs_defer_intake_work(tp->t_mountp, dfp); list_sort(tp->t_mountp, &dfp->dfp_work, dfp->dfp_type->diff_items); list_for_each(li, &dfp->dfp_work) @@ -221,21 +221,14 @@ xfs_defer_trans_abort( struct xfs_defer_pending *dfp; trace_xfs_defer_trans_abort(tp->t_mountp, dop); - /* - * If the transaction was committed, drop the intent reference - * since we're bailing out of here. The other reference is - * dropped when the intent hits the AIL. If the transaction - * was not committed, the intent is freed by the intent item - * unlock handler on abort. - */ - if (!dop->dop_committed) - return; - /* Abort intent items. */ + /* Abort intent items that don't have a done item. */ list_for_each_entry(dfp, &dop->dop_pending, dfp_list) { trace_xfs_defer_pending_abort(tp->t_mountp, dfp); - if (!dfp->dfp_done) + if (dfp->dfp_intent && !dfp->dfp_done) { dfp->dfp_type->abort_intent(dfp->dfp_intent); + dfp->dfp_intent = NULL; + } } /* Shut down FS. */ diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index 40e8870..0504ef8 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h @@ -118,9 +118,9 @@ do { \ #define this_cpu_generic_read(pcp) \ ({ \ typeof(pcp) __ret; \ - preempt_disable(); \ + preempt_disable_notrace(); \ __ret = raw_cpu_generic_read(pcp); \ - preempt_enable(); \ + preempt_enable_notrace(); \ __ret; \ }) diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index af0254c..4df64a1 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -14,6 +14,8 @@ * [_sdata, _edata]: contains .data.* sections, may also contain .rodata.* * and/or .init.* sections. * [__start_rodata, __end_rodata]: contains .rodata.* sections + * [__start_data_ro_after_init, __end_data_ro_after_init]: + * contains data.ro_after_init section * [__init_begin, __init_end]: contains .init.* sections, but .init.text.* * may be out of this range on some architectures. * [_sinittext, _einittext]: contains .init.text.* sections @@ -31,6 +33,7 @@ extern char _data[], _sdata[], _edata[]; extern char __bss_start[], __bss_stop[]; extern char __init_begin[], __init_end[]; extern char _sinittext[], _einittext[]; +extern char __start_data_ro_after_init[], __end_data_ro_after_init[]; extern char _end[]; extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[]; extern char __kprobes_text_start[], __kprobes_text_end[]; diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 3074796..31e1d63 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -259,7 +259,10 @@ * own by defining an empty RO_AFTER_INIT_DATA. */ #ifndef RO_AFTER_INIT_DATA -#define RO_AFTER_INIT_DATA *(.data..ro_after_init) +#define RO_AFTER_INIT_DATA \ + __start_data_ro_after_init = .; \ + *(.data..ro_after_init) \ + __end_data_ro_after_init = .; #endif /* diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 43cf193..8b4dc62 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -47,8 +47,14 @@ struct drm_crtc; * @src_h: height of visible portion of plane (in 16.16) * @rotation: rotation of the plane * @zpos: priority of the given plane on crtc (optional) + * Note that multiple active planes on the same crtc can have an identical + * zpos value. The rule to solving the conflict is to compare the plane + * object IDs; the plane with a higher ID must be stacked on top of a + * plane with a lower ID. * @normalized_zpos: normalized value of zpos: unique, range from 0 to N-1 - * where N is the number of active planes for given crtc + * where N is the number of active planes for given crtc. Note that + * the driver must call drm_atomic_normalize_zpos() to update this before + * it can be trusted. * @src: clipped source coordinates of the plane (in 16.16) * @dst: clipped destination coordinates of the plane * @visible: visibility of the plane diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 689a8b9..61a3d90 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -555,7 +555,8 @@ int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); int acpi_device_modalias(struct device *, char *, int); void acpi_walk_dep_device_list(acpi_handle handle); -struct platform_device *acpi_create_platform_device(struct acpi_device *); +struct platform_device *acpi_create_platform_device(struct acpi_device *, + struct property_entry *); #define ACPI_PTR(_ptr) (_ptr) static inline void acpi_device_set_enumerated(struct acpi_device *adev) diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index 96337b1..a8e6634 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -258,6 +258,8 @@ struct ceph_watch_item { struct ceph_entity_addr addr; }; +#define CEPH_LINGER_ID_START 0xffff000000000000ULL + struct ceph_osd_client { struct ceph_client *client; diff --git a/include/linux/console.h b/include/linux/console.h index 3672809..d530c46 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -173,12 +173,6 @@ static inline void console_sysfs_notify(void) #endif extern bool console_suspend_enabled; -#ifdef CONFIG_OF -extern void console_set_by_of(void); -#else -static inline void console_set_by_of(void) {} -#endif - /* Suspend and resume console messages over PM events */ extern void suspend_console(void); extern void resume_console(void); diff --git a/include/linux/frontswap.h b/include/linux/frontswap.h index c46d2aa..1d18af0 100644 --- a/include/linux/frontswap.h +++ b/include/linux/frontswap.h @@ -106,8 +106,9 @@ static inline void frontswap_invalidate_area(unsigned type) static inline void frontswap_init(unsigned type, unsigned long *map) { - if (frontswap_enabled()) - __frontswap_init(type, map); +#ifdef CONFIG_FRONTSWAP + __frontswap_init(type, map); +#endif } #endif /* _LINUX_FRONTSWAP_H */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 16d2b6e..dc0478c 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -321,6 +321,7 @@ struct writeback_control; #define IOCB_HIPRI (1 << 3) #define IOCB_DSYNC (1 << 4) #define IOCB_SYNC (1 << 5) +#define IOCB_WRITE (1 << 6) struct kiocb { struct file *ki_filp; @@ -1709,7 +1710,6 @@ struct file_operations { int (*flush) (struct file *, fl_owner_t id); int (*release) (struct inode *, struct file *); int (*fsync) (struct file *, loff_t, loff_t, int datasync); - int (*aio_fsync) (struct kiocb *, int datasync); int (*fasync) (int, struct file *, int); int (*lock) (struct file *, int, struct file_lock *); ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int); diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 9375658..3f95233 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -153,7 +153,7 @@ static inline bool inet6_exact_dif_match(struct net *net, struct sk_buff *skb) { #if defined(CONFIG_NET_L3_MASTER_DEV) if (!net->ipv4.sysctl_tcp_l3mdev_accept && - ipv6_l3mdev_skb(IP6CB(skb)->flags)) + skb && ipv6_l3mdev_skb(IP6CB(skb)->flags)) return true; #endif return false; diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index c5d3d502..d8905a2 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -1184,7 +1184,7 @@ int nand_read_oob_syndrome(struct mtd_info *mtd, struct nand_chip *chip, int page); /* Reset and initialize a NAND device */ -int nand_reset(struct nand_chip *chip); +int nand_reset(struct nand_chip *chip, int chipnr); /* Free resources held by the NAND device */ void nand_cleanup(struct nand_chip *chip); diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index d64135a..86bacf6 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3252,6 +3252,21 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb); bool is_skb_forwardable(const struct net_device *dev, const struct sk_buff *skb); +static __always_inline int ____dev_forward_skb(struct net_device *dev, + struct sk_buff *skb) +{ + if (skb_orphan_frags(skb, GFP_ATOMIC) || + unlikely(!is_skb_forwardable(dev, skb))) { + atomic_long_inc(&dev->rx_dropped); + kfree_skb(skb); + return NET_RX_DROP; + } + + skb_scrub_packet(skb, true); + skb->priority = 0; + return 0; +} + void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev); extern int netdev_budget; diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index ee1bed7..78bb0d7 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -253,6 +253,13 @@ static inline int phy_set_mode(struct phy *phy, enum phy_mode mode) return -ENOSYS; } +static inline int phy_reset(struct phy *phy) +{ + if (!phy) + return 0; + return -ENOSYS; +} + static inline int phy_get_bus_width(struct phy *phy) { return -ENOSYS; diff --git a/include/linux/regmap.h b/include/linux/regmap.h index 9adc7b2..f667313 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -15,6 +15,7 @@ #include <linux/list.h> #include <linux/rbtree.h> +#include <linux/delay.h> #include <linux/err.h> #include <linux/bug.h> #include <linux/lockdep.h> @@ -116,22 +117,22 @@ struct reg_sequence { #define regmap_read_poll_timeout(map, addr, val, cond, sleep_us, timeout_us) \ ({ \ ktime_t timeout = ktime_add_us(ktime_get(), timeout_us); \ - int ret; \ + int pollret; \ might_sleep_if(sleep_us); \ for (;;) { \ - ret = regmap_read((map), (addr), &(val)); \ - if (ret) \ + pollret = regmap_read((map), (addr), &(val)); \ + if (pollret) \ break; \ if (cond) \ break; \ if (timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \ - ret = regmap_read((map), (addr), &(val)); \ + pollret = regmap_read((map), (addr), &(val)); \ break; \ } \ if (sleep_us) \ usleep_range((sleep_us >> 2) + 1, sleep_us); \ } \ - ret ?: ((cond) ? 0 : -ETIMEDOUT); \ + pollret ?: ((cond) ? 0 : -ETIMEDOUT); \ }) #ifdef CONFIG_REGMAP diff --git a/include/net/ip.h b/include/net/ip.h index f48c67c..ab6761a 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -47,8 +47,7 @@ struct inet_skb_parm { #define IPSKB_REROUTED BIT(4) #define IPSKB_DOREDIRECT BIT(5) #define IPSKB_FRAG_PMTU BIT(6) -#define IPSKB_FRAG_SEGS BIT(7) -#define IPSKB_L3SLAVE BIT(8) +#define IPSKB_L3SLAVE BIT(7) u16 frag_max_size; }; diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h index 20ed969..1b1cf33 100644 --- a/include/net/ip6_tunnel.h +++ b/include/net/ip6_tunnel.h @@ -146,6 +146,7 @@ static inline void ip6tunnel_xmit(struct sock *sk, struct sk_buff *skb, { int pkt_len, err; + memset(skb->cb, 0, sizeof(struct inet6_skb_parm)); pkt_len = skb->len - skb_inner_network_offset(skb); err = ip6_local_out(dev_net(skb_dst(skb)->dev), sk, skb); if (unlikely(net_xmit_eval(err))) diff --git a/include/net/netfilter/nf_conntrack_labels.h b/include/net/netfilter/nf_conntrack_labels.h index 4988146..1723a67 100644 --- a/include/net/netfilter/nf_conntrack_labels.h +++ b/include/net/netfilter/nf_conntrack_labels.h @@ -30,8 +30,7 @@ static inline struct nf_conn_labels *nf_ct_labels_ext_add(struct nf_conn *ct) if (net->ct.labels_used == 0) return NULL; - return nf_ct_ext_add_length(ct, NF_CT_EXT_LABELS, - sizeof(struct nf_conn_labels), GFP_ATOMIC); + return nf_ct_ext_add(ct, NF_CT_EXT_LABELS, GFP_ATOMIC); #else return NULL; #endif diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 3295fb8..311f027 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -161,7 +161,7 @@ static inline enum nft_registers nft_type_to_reg(enum nft_data_types type) return type == NFT_DATA_VERDICT ? NFT_REG_VERDICT : NFT_REG_1 * NFT_REG_SIZE / NFT_REG32_SIZE; } -unsigned int nft_parse_u32_check(const struct nlattr *attr, int max, u32 *dest); +int nft_parse_u32_check(const struct nlattr *attr, int max, u32 *dest); unsigned int nft_parse_register(const struct nlattr *attr); int nft_dump_register(struct sk_buff *skb, unsigned int attr, unsigned int reg); @@ -558,7 +558,8 @@ void *nft_set_elem_init(const struct nft_set *set, const struct nft_set_ext_tmpl *tmpl, const u32 *key, const u32 *data, u64 timeout, gfp_t gfp); -void nft_set_elem_destroy(const struct nft_set *set, void *elem); +void nft_set_elem_destroy(const struct nft_set *set, void *elem, + bool destroy_expr); /** * struct nft_set_gc_batch_head - nf_tables set garbage collection batch @@ -709,7 +710,6 @@ static inline int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src) { int err; - __module_get(src->ops->type->owner); if (src->ops->clone) { dst->ops = src->ops; err = src->ops->clone(dst, src); @@ -718,6 +718,8 @@ static inline int nft_expr_clone(struct nft_expr *dst, struct nft_expr *src) } else { memcpy(dst, src, src->ops->size); } + + __module_get(src->ops->type->owner); return 0; } diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 87a7f42..31acc3f 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -152,7 +152,7 @@ void sctp_unhash_endpoint(struct sctp_endpoint *); struct sock *sctp_err_lookup(struct net *net, int family, struct sk_buff *, struct sctphdr *, struct sctp_association **, struct sctp_transport **); -void sctp_err_finish(struct sock *, struct sctp_association *); +void sctp_err_finish(struct sock *, struct sctp_transport *); void sctp_icmp_frag_needed(struct sock *, struct sctp_association *, struct sctp_transport *t, __u32 pmtu); void sctp_icmp_redirect(struct sock *, struct sctp_transport *, diff --git a/include/net/sock.h b/include/net/sock.h index 9d905ed..442cbb1 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1612,11 +1612,11 @@ static inline void sock_put(struct sock *sk) void sock_gen_put(struct sock *sk); int __sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested, - unsigned int trim_cap); + unsigned int trim_cap, bool refcounted); static inline int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested) { - return __sk_receive_skb(sk, skb, nested, 1); + return __sk_receive_skb(sk, skb, nested, 1, true); } static inline void sk_tx_queue_set(struct sock *sk, int tx_queue) diff --git a/include/net/tcp.h b/include/net/tcp.h index 5b82d4d..123979f 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -805,7 +805,7 @@ static inline bool inet_exact_dif_match(struct net *net, struct sk_buff *skb) { #if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV) if (!net->ipv4.sysctl_tcp_l3mdev_accept && - ipv4_l3mdev_skb(TCP_SKB_CB(skb)->header.h4.flags)) + skb && ipv4_l3mdev_skb(TCP_SKB_CB(skb)->header.h4.flags)) return true; #endif return false; @@ -1220,6 +1220,7 @@ static inline void tcp_prequeue_init(struct tcp_sock *tp) bool tcp_prequeue(struct sock *sk, struct sk_buff *skb); bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb); +int tcp_filter(struct sock *sk, struct sk_buff *skb); #undef STATE_TRACE diff --git a/include/uapi/linux/atm_zatm.h b/include/uapi/linux/atm_zatm.h index 5cd4d4d..9c9c6ad 100644 --- a/include/uapi/linux/atm_zatm.h +++ b/include/uapi/linux/atm_zatm.h @@ -14,7 +14,6 @@ #include <linux/atmapi.h> #include <linux/atmioc.h> -#include <linux/time.h> #define ZATM_GETPOOL _IOW('a',ATMIOC_SARPRV+1,struct atmif_sioc) /* get pool statistics */ diff --git a/include/uapi/linux/bpqether.h b/include/uapi/linux/bpqether.h index a6c35e1..05865ed 100644 --- a/include/uapi/linux/bpqether.h +++ b/include/uapi/linux/bpqether.h @@ -5,9 +5,7 @@ * Defines for the BPQETHER pseudo device driver */ -#ifndef __LINUX_IF_ETHER_H #include <linux/if_ether.h> -#endif #define SIOCSBPQETHOPT (SIOCDEVPRIVATE+0) /* reserved */ #define SIOCSBPQETHADDR (SIOCDEVPRIVATE+1) diff --git a/include/uapi/sound/asoc.h b/include/uapi/sound/asoc.h index 33d00a4..819d895 100644 --- a/include/uapi/sound/asoc.h +++ b/include/uapi/sound/asoc.h @@ -18,12 +18,6 @@ #include <linux/types.h> #include <sound/asound.h> -#ifndef __KERNEL__ -#error This API is an early revision and not enabled in the current -#error kernel release, it will be enabled in a future kernel version -#error with incompatible changes to what is here. -#endif - /* * Maximum number of channels topology kcontrol can represent. */ diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index 570eeca..ad1bc67 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -687,7 +687,8 @@ static void delete_all_elements(struct bpf_htab *htab) hlist_for_each_entry_safe(l, n, head, hash_node) { hlist_del_rcu(&l->hash_node); - htab_elem_free(htab, l); + if (l->state != HTAB_EXTRA_ELEM_USED) + htab_elem_free(htab, l); } } } diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c index cdc0654..233e3ac 100644 --- a/kernel/bpf/syscall.c +++ b/kernel/bpf/syscall.c @@ -195,7 +195,7 @@ static int map_create(union bpf_attr *attr) err = bpf_map_charge_memlock(map); if (err) - goto free_map; + goto free_map_nouncharge; err = bpf_map_new_fd(map); if (err < 0) @@ -205,6 +205,8 @@ static int map_create(union bpf_attr *attr) return err; free_map: + bpf_map_uncharge_memlock(map); +free_map_nouncharge: map->ops->map_free(map); return err; } diff --git a/kernel/fork.c b/kernel/fork.c index 623259f..997ac1d 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -315,6 +315,9 @@ static void account_kernel_stack(struct task_struct *tsk, int account) static void release_task_stack(struct task_struct *tsk) { + if (WARN_ON(tsk->state != TASK_DEAD)) + return; /* Better to leak the stack than to free prematurely */ + account_kernel_stack(tsk, -1); arch_release_thread_stack(tsk->stack); free_thread_stack(tsk); @@ -1862,6 +1865,7 @@ bad_fork_cleanup_count: atomic_dec(&p->cred->user->processes); exit_creds(p); bad_fork_free: + p->state = TASK_DEAD; put_task_stack(p); free_task(p); fork_out: diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 9c4d304..6b66959 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1341,12 +1341,12 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) } else if (new->flags & IRQF_TRIGGER_MASK) { unsigned int nmsk = new->flags & IRQF_TRIGGER_MASK; - unsigned int omsk = irq_settings_get_trigger_mask(desc); + unsigned int omsk = irqd_get_trigger_type(&desc->irq_data); if (nmsk != omsk) /* hope the handler works with current trigger mode */ pr_warn("irq %d uses trigger mode %u; requested %u\n", - irq, nmsk, omsk); + irq, omsk, nmsk); } *old_ptr = new; diff --git a/kernel/power/suspend_test.c b/kernel/power/suspend_test.c index 084452e..bdff5ed 100644 --- a/kernel/power/suspend_test.c +++ b/kernel/power/suspend_test.c @@ -203,8 +203,10 @@ static int __init test_suspend(void) /* RTCs have initialized by now too ... can we use one? */ dev = class_find_device(rtc_class, NULL, NULL, has_wakealarm); - if (dev) + if (dev) { rtc = rtc_class_open(dev_name(dev)); + put_device(dev); + } if (!rtc) { printk(warn_no_rtc); return 0; diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index de08fc9..f7a55e9 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -253,17 +253,6 @@ static int preferred_console = -1; int console_set_on_cmdline; EXPORT_SYMBOL(console_set_on_cmdline); -#ifdef CONFIG_OF -static bool of_specified_console; - -void console_set_by_of(void) -{ - of_specified_console = true; -} -#else -# define of_specified_console false -#endif - /* Flag: console code may call schedule() */ static int console_may_schedule; @@ -794,8 +783,6 @@ static ssize_t devkmsg_write(struct kiocb *iocb, struct iov_iter *from) return ret; } -static void cont_flush(void); - static ssize_t devkmsg_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { @@ -811,7 +798,6 @@ static ssize_t devkmsg_read(struct file *file, char __user *buf, if (ret) return ret; raw_spin_lock_irq(&logbuf_lock); - cont_flush(); while (user->seq == log_next_seq) { if (file->f_flags & O_NONBLOCK) { ret = -EAGAIN; @@ -874,7 +860,6 @@ static loff_t devkmsg_llseek(struct file *file, loff_t offset, int whence) return -ESPIPE; raw_spin_lock_irq(&logbuf_lock); - cont_flush(); switch (whence) { case SEEK_SET: /* the first record */ @@ -913,7 +898,6 @@ static unsigned int devkmsg_poll(struct file *file, poll_table *wait) poll_wait(file, &log_wait, wait); raw_spin_lock_irq(&logbuf_lock); - cont_flush(); if (user->seq < log_next_seq) { /* return error when data has vanished underneath us */ if (user->seq < log_first_seq) @@ -1300,7 +1284,6 @@ static int syslog_print(char __user *buf, int size) size_t skip; raw_spin_lock_irq(&logbuf_lock); - cont_flush(); if (syslog_seq < log_first_seq) { /* messages are gone, move to first one */ syslog_seq = log_first_seq; @@ -1360,7 +1343,6 @@ static int syslog_print_all(char __user *buf, int size, bool clear) return -ENOMEM; raw_spin_lock_irq(&logbuf_lock); - cont_flush(); if (buf) { u64 next_seq; u64 seq; @@ -1522,7 +1504,6 @@ int do_syslog(int type, char __user *buf, int len, int source) /* Number of chars in the log buffer */ case SYSLOG_ACTION_SIZE_UNREAD: raw_spin_lock_irq(&logbuf_lock); - cont_flush(); if (syslog_seq < log_first_seq) { /* messages are gone, move to first one */ syslog_seq = log_first_seq; @@ -2657,7 +2638,7 @@ void register_console(struct console *newcon) * didn't select a console we take the first one * that registers here. */ - if (preferred_console < 0 && !of_specified_console) { + if (preferred_console < 0) { if (newcon->index < 0) newcon->index = 0; if (newcon->setup == NULL || @@ -3039,7 +3020,6 @@ void kmsg_dump(enum kmsg_dump_reason reason) dumper->active = true; raw_spin_lock_irqsave(&logbuf_lock, flags); - cont_flush(); dumper->cur_seq = clear_seq; dumper->cur_idx = clear_idx; dumper->next_seq = log_next_seq; @@ -3130,7 +3110,6 @@ bool kmsg_dump_get_line(struct kmsg_dumper *dumper, bool syslog, bool ret; raw_spin_lock_irqsave(&logbuf_lock, flags); - cont_flush(); ret = kmsg_dump_get_line_nolock(dumper, syslog, line, size, len); raw_spin_unlock_irqrestore(&logbuf_lock, flags); @@ -3173,7 +3152,6 @@ bool kmsg_dump_get_buffer(struct kmsg_dumper *dumper, bool syslog, goto out; raw_spin_lock_irqsave(&logbuf_lock, flags); - cont_flush(); if (dumper->cur_seq < log_first_seq) { /* messages are gone, move to first available one */ dumper->cur_seq = log_first_seq; diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 42d4027..154fd68 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5192,21 +5192,14 @@ void sched_show_task(struct task_struct *p) int ppid; unsigned long state = p->state; + if (!try_get_task_stack(p)) + return; if (state) state = __ffs(state) + 1; printk(KERN_INFO "%-15.15s %c", p->comm, state < sizeof(stat_nam) - 1 ? stat_nam[state] : '?'); -#if BITS_PER_LONG == 32 - if (state == TASK_RUNNING) - printk(KERN_CONT " running "); - else - printk(KERN_CONT " %08lx ", thread_saved_pc(p)); -#else if (state == TASK_RUNNING) printk(KERN_CONT " running task "); - else - printk(KERN_CONT " %016lx ", thread_saved_pc(p)); -#endif #ifdef CONFIG_DEBUG_STACK_USAGE free = stack_not_used(p); #endif @@ -5221,6 +5214,7 @@ void sched_show_task(struct task_struct *p) print_worker_info(KERN_INFO, p); show_stack(p, NULL); + put_task_stack(p); } void show_state_filter(unsigned long state_filter) diff --git a/kernel/taskstats.c b/kernel/taskstats.c index 9b7f838..8a5e442 100644 --- a/kernel/taskstats.c +++ b/kernel/taskstats.c @@ -49,7 +49,11 @@ static const struct nla_policy taskstats_cmd_get_policy[TASKSTATS_CMD_ATTR_MAX+1 [TASKSTATS_CMD_ATTR_REGISTER_CPUMASK] = { .type = NLA_STRING }, [TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK] = { .type = NLA_STRING },}; -static const struct nla_policy cgroupstats_cmd_get_policy[CGROUPSTATS_CMD_ATTR_MAX+1] = { +/* + * We have to use TASKSTATS_CMD_ATTR_MAX here, it is the maxattr in the family. + * Make sure they are always aligned. + */ +static const struct nla_policy cgroupstats_cmd_get_policy[TASKSTATS_CMD_ATTR_MAX+1] = { [CGROUPSTATS_CMD_ATTR_FD] = { .type = NLA_U32 }, }; diff --git a/lib/stackdepot.c b/lib/stackdepot.c index 4d830e2..f87d138 100644 --- a/lib/stackdepot.c +++ b/lib/stackdepot.c @@ -192,6 +192,7 @@ void depot_fetch_stack(depot_stack_handle_t handle, struct stack_trace *trace) trace->entries = stack->entries; trace->skip = 0; } +EXPORT_SYMBOL_GPL(depot_fetch_stack); /** * depot_save_stack - save stack in a stack depot. @@ -283,3 +284,4 @@ exit: fast_exit: return retval; } +EXPORT_SYMBOL_GPL(depot_save_stack); @@ -385,6 +385,9 @@ struct page *cma_alloc(struct cma *cma, size_t count, unsigned int align) bitmap_maxno = cma_bitmap_maxno(cma); bitmap_count = cma_bitmap_pages_to_bits(cma, count); + if (bitmap_count > bitmap_maxno) + return NULL; + for (;;) { mutex_lock(&cma->lock); bitmap_no = bitmap_find_next_zero_area_off(cma->bitmap, diff --git a/mm/filemap.c b/mm/filemap.c index c7fe2f1..50b52fe 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1732,6 +1732,9 @@ find_page: if (inode->i_blkbits == PAGE_SHIFT || !mapping->a_ops->is_partially_uptodate) goto page_not_up_to_date; + /* pipes can't handle partially uptodate pages */ + if (unlikely(iter->type & ITER_PIPE)) + goto page_not_up_to_date; if (!trylock_page(page)) goto page_not_up_to_date; /* Did it get truncated before we got the lock? */ diff --git a/mm/hugetlb.c b/mm/hugetlb.c index ec49d9e..418bf01 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1826,11 +1826,17 @@ static void return_unused_surplus_pages(struct hstate *h, * is not the case is if a reserve map was changed between calls. It * is the responsibility of the caller to notice the difference and * take appropriate action. + * + * vma_add_reservation is used in error paths where a reservation must + * be restored when a newly allocated huge page must be freed. It is + * to be called after calling vma_needs_reservation to determine if a + * reservation exists. */ enum vma_resv_mode { VMA_NEEDS_RESV, VMA_COMMIT_RESV, VMA_END_RESV, + VMA_ADD_RESV, }; static long __vma_reservation_common(struct hstate *h, struct vm_area_struct *vma, unsigned long addr, @@ -1856,6 +1862,14 @@ static long __vma_reservation_common(struct hstate *h, region_abort(resv, idx, idx + 1); ret = 0; break; + case VMA_ADD_RESV: + if (vma->vm_flags & VM_MAYSHARE) + ret = region_add(resv, idx, idx + 1); + else { + region_abort(resv, idx, idx + 1); + ret = region_del(resv, idx, idx + 1); + } + break; default: BUG(); } @@ -1903,6 +1917,56 @@ static void vma_end_reservation(struct hstate *h, (void)__vma_reservation_common(h, vma, addr, VMA_END_RESV); } +static long vma_add_reservation(struct hstate *h, + struct vm_area_struct *vma, unsigned long addr) +{ + return __vma_reservation_common(h, vma, addr, VMA_ADD_RESV); +} + +/* + * This routine is called to restore a reservation on error paths. In the + * specific error paths, a huge page was allocated (via alloc_huge_page) + * and is about to be freed. If a reservation for the page existed, + * alloc_huge_page would have consumed the reservation and set PagePrivate + * in the newly allocated page. When the page is freed via free_huge_page, + * the global reservation count will be incremented if PagePrivate is set. + * However, free_huge_page can not adjust the reserve map. Adjust the + * reserve map here to be consistent with global reserve count adjustments + * to be made by free_huge_page. + */ +static void restore_reserve_on_error(struct hstate *h, + struct vm_area_struct *vma, unsigned long address, + struct page *page) +{ + if (unlikely(PagePrivate(page))) { + long rc = vma_needs_reservation(h, vma, address); + + if (unlikely(rc < 0)) { + /* + * Rare out of memory condition in reserve map + * manipulation. Clear PagePrivate so that + * global reserve count will not be incremented + * by free_huge_page. This will make it appear + * as though the reservation for this page was + * consumed. This may prevent the task from + * faulting in the page at a later time. This + * is better than inconsistent global huge page + * accounting of reserve counts. + */ + ClearPagePrivate(page); + } else if (rc) { + rc = vma_add_reservation(h, vma, address); + if (unlikely(rc < 0)) + /* + * See above comment about rare out of + * memory condition. + */ + ClearPagePrivate(page); + } else + vma_end_reservation(h, vma, address); + } +} + struct page *alloc_huge_page(struct vm_area_struct *vma, unsigned long addr, int avoid_reserve) { @@ -3498,6 +3562,7 @@ retry_avoidcopy: spin_unlock(ptl); mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end); out_release_all: + restore_reserve_on_error(h, vma, address, new_page); put_page(new_page); out_release_old: put_page(old_page); @@ -3680,6 +3745,7 @@ backout: spin_unlock(ptl); backout_unlocked: unlock_page(page); + restore_reserve_on_error(h, vma, address, page); put_page(page); goto out; } diff --git a/mm/kmemleak.c b/mm/kmemleak.c index e5355a5..d1380ed 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -1414,6 +1414,7 @@ static void kmemleak_scan(void) /* data/bss scanning */ scan_large_block(_sdata, _edata); scan_large_block(__bss_start, __bss_stop); + scan_large_block(__start_data_ro_after_init, __end_data_ro_after_init); #ifdef CONFIG_SMP /* per-cpu sections scanning */ diff --git a/mm/memory-failure.c b/mm/memory-failure.c index de88f33..19e796d 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1112,10 +1112,10 @@ int memory_failure(unsigned long pfn, int trapno, int flags) } if (!PageHuge(p) && PageTransHuge(hpage)) { - lock_page(hpage); - if (!PageAnon(hpage) || unlikely(split_huge_page(hpage))) { - unlock_page(hpage); - if (!PageAnon(hpage)) + lock_page(p); + if (!PageAnon(p) || unlikely(split_huge_page(p))) { + unlock_page(p); + if (!PageAnon(p)) pr_err("Memory failure: %#lx: non anonymous thp\n", pfn); else @@ -1126,9 +1126,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags) put_hwpoison_page(p); return -EBUSY; } - unlock_page(hpage); - get_hwpoison_page(p); - put_hwpoison_page(hpage); + unlock_page(p); VM_BUG_ON_PAGE(!page_count(p), p); hpage = compound_head(p); } diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 8fd42aa..6de9440 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -92,7 +92,7 @@ int _node_numa_mem_[MAX_NUMNODES]; #endif #ifdef CONFIG_GCC_PLUGIN_LATENT_ENTROPY -volatile u64 latent_entropy __latent_entropy; +volatile unsigned long latent_entropy __latent_entropy; EXPORT_SYMBOL(latent_entropy); #endif @@ -3658,7 +3658,7 @@ retry: /* Make sure we know about allocations which stall for too long */ if (time_after(jiffies, alloc_start + stall_timeout)) { warn_alloc(gfp_mask, - "page alloction stalls for %ums, order:%u\n", + "page allocation stalls for %ums, order:%u", jiffies_to_msecs(jiffies-alloc_start), order); stall_timeout += 10 * HZ; } @@ -1483,6 +1483,8 @@ static int shmem_replace_page(struct page **pagep, gfp_t gfp, copy_highpage(newpage, oldpage); flush_dcache_page(newpage); + __SetPageLocked(newpage); + __SetPageSwapBacked(newpage); SetPageUptodate(newpage); set_page_private(newpage, swap_index); SetPageSwapCache(newpage); diff --git a/mm/slab_common.c b/mm/slab_common.c index 71f0b28..329b038 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -533,8 +533,8 @@ void memcg_create_kmem_cache(struct mem_cgroup *memcg, s = create_cache(cache_name, root_cache->object_size, root_cache->size, root_cache->align, - root_cache->flags, root_cache->ctor, - memcg, root_cache); + root_cache->flags & CACHE_CREATE_MASK, + root_cache->ctor, memcg, root_cache); /* * If we could not create a memcg cache, do not complain, because * that's not critical at all as we can always proceed with the root diff --git a/mm/swapfile.c b/mm/swapfile.c index 2210de2..f304389 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -2224,6 +2224,8 @@ static unsigned long read_swap_header(struct swap_info_struct *p, swab32s(&swap_header->info.version); swab32s(&swap_header->info.last_page); swab32s(&swap_header->info.nr_badpages); + if (swap_header->info.nr_badpages > MAX_SWAP_BADPAGES) + return 0; for (i = 0; i < swap_header->info.nr_badpages; i++) swab32s(&swap_header->info.badpages[i]); } diff --git a/net/can/bcm.c b/net/can/bcm.c index 8e999ff..8af9d25 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -1549,24 +1549,31 @@ static int bcm_connect(struct socket *sock, struct sockaddr *uaddr, int len, struct sockaddr_can *addr = (struct sockaddr_can *)uaddr; struct sock *sk = sock->sk; struct bcm_sock *bo = bcm_sk(sk); + int ret = 0; if (len < sizeof(*addr)) return -EINVAL; - if (bo->bound) - return -EISCONN; + lock_sock(sk); + + if (bo->bound) { + ret = -EISCONN; + goto fail; + } /* bind a device to this socket */ if (addr->can_ifindex) { struct net_device *dev; dev = dev_get_by_index(&init_net, addr->can_ifindex); - if (!dev) - return -ENODEV; - + if (!dev) { + ret = -ENODEV; + goto fail; + } if (dev->type != ARPHRD_CAN) { dev_put(dev); - return -ENODEV; + ret = -ENODEV; + goto fail; } bo->ifindex = dev->ifindex; @@ -1577,17 +1584,24 @@ static int bcm_connect(struct socket *sock, struct sockaddr *uaddr, int len, bo->ifindex = 0; } - bo->bound = 1; - if (proc_dir) { /* unique socket address as filename */ sprintf(bo->procname, "%lu", sock_i_ino(sk)); bo->bcm_proc_read = proc_create_data(bo->procname, 0644, proc_dir, &bcm_proc_fops, sk); + if (!bo->bcm_proc_read) { + ret = -ENOMEM; + goto fail; + } } - return 0; + bo->bound = 1; + +fail: + release_sock(sk); + + return ret; } static int bcm_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, diff --git a/net/ceph/ceph_fs.c b/net/ceph/ceph_fs.c index 7d54e94..dcbe67f 100644 --- a/net/ceph/ceph_fs.c +++ b/net/ceph/ceph_fs.c @@ -34,7 +34,8 @@ void ceph_file_layout_from_legacy(struct ceph_file_layout *fl, fl->stripe_count = le32_to_cpu(legacy->fl_stripe_count); fl->object_size = le32_to_cpu(legacy->fl_object_size); fl->pool_id = le32_to_cpu(legacy->fl_pg_pool); - if (fl->pool_id == 0) + if (fl->pool_id == 0 && fl->stripe_unit == 0 && + fl->stripe_count == 0 && fl->object_size == 0) fl->pool_id = -1; } EXPORT_SYMBOL(ceph_file_layout_from_legacy); diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index d9bf7a1..e6ae15b 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -4094,6 +4094,7 @@ int ceph_osdc_init(struct ceph_osd_client *osdc, struct ceph_client *client) osd_init(&osdc->homeless_osd); osdc->homeless_osd.o_osdc = osdc; osdc->homeless_osd.o_osd = CEPH_HOMELESS_OSD; + osdc->last_linger_id = CEPH_LINGER_ID_START; osdc->linger_requests = RB_ROOT; osdc->map_checks = RB_ROOT; osdc->linger_map_checks = RB_ROOT; diff --git a/net/core/dev.c b/net/core/dev.c index 7385c1a..6deba68 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1765,19 +1765,14 @@ EXPORT_SYMBOL_GPL(is_skb_forwardable); int __dev_forward_skb(struct net_device *dev, struct sk_buff *skb) { - if (skb_orphan_frags(skb, GFP_ATOMIC) || - unlikely(!is_skb_forwardable(dev, skb))) { - atomic_long_inc(&dev->rx_dropped); - kfree_skb(skb); - return NET_RX_DROP; - } + int ret = ____dev_forward_skb(dev, skb); - skb_scrub_packet(skb, true); - skb->priority = 0; - skb->protocol = eth_type_trans(skb, dev); - skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN); + if (likely(!ret)) { + skb->protocol = eth_type_trans(skb, dev); + skb_postpull_rcsum(skb, eth_hdr(skb), ETH_HLEN); + } - return 0; + return ret; } EXPORT_SYMBOL_GPL(__dev_forward_skb); @@ -2599,7 +2594,7 @@ int skb_checksum_help(struct sk_buff *skb) goto out; } - *(__sum16 *)(skb->data + offset) = csum_fold(csum); + *(__sum16 *)(skb->data + offset) = csum_fold(csum) ?: CSUM_MANGLED_0; out_set_summed: skb->ip_summed = CHECKSUM_NONE; out: diff --git a/net/core/filter.c b/net/core/filter.c index cd9e2ba..dece94f 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -1628,6 +1628,19 @@ static inline int __bpf_rx_skb(struct net_device *dev, struct sk_buff *skb) return dev_forward_skb(dev, skb); } +static inline int __bpf_rx_skb_no_mac(struct net_device *dev, + struct sk_buff *skb) +{ + int ret = ____dev_forward_skb(dev, skb); + + if (likely(!ret)) { + skb->dev = dev; + ret = netif_rx(skb); + } + + return ret; +} + static inline int __bpf_tx_skb(struct net_device *dev, struct sk_buff *skb) { int ret; @@ -1647,6 +1660,51 @@ static inline int __bpf_tx_skb(struct net_device *dev, struct sk_buff *skb) return ret; } +static int __bpf_redirect_no_mac(struct sk_buff *skb, struct net_device *dev, + u32 flags) +{ + /* skb->mac_len is not set on normal egress */ + unsigned int mlen = skb->network_header - skb->mac_header; + + __skb_pull(skb, mlen); + + /* At ingress, the mac header has already been pulled once. + * At egress, skb_pospull_rcsum has to be done in case that + * the skb is originated from ingress (i.e. a forwarded skb) + * to ensure that rcsum starts at net header. + */ + if (!skb_at_tc_ingress(skb)) + skb_postpull_rcsum(skb, skb_mac_header(skb), mlen); + skb_pop_mac_header(skb); + skb_reset_mac_len(skb); + return flags & BPF_F_INGRESS ? + __bpf_rx_skb_no_mac(dev, skb) : __bpf_tx_skb(dev, skb); +} + +static int __bpf_redirect_common(struct sk_buff *skb, struct net_device *dev, + u32 flags) +{ + bpf_push_mac_rcsum(skb); + return flags & BPF_F_INGRESS ? + __bpf_rx_skb(dev, skb) : __bpf_tx_skb(dev, skb); +} + +static int __bpf_redirect(struct sk_buff *skb, struct net_device *dev, + u32 flags) +{ + switch (dev->type) { + case ARPHRD_TUNNEL: + case ARPHRD_TUNNEL6: + case ARPHRD_SIT: + case ARPHRD_IPGRE: + case ARPHRD_VOID: + case ARPHRD_NONE: + return __bpf_redirect_no_mac(skb, dev, flags); + default: + return __bpf_redirect_common(skb, dev, flags); + } +} + BPF_CALL_3(bpf_clone_redirect, struct sk_buff *, skb, u32, ifindex, u64, flags) { struct net_device *dev; @@ -1675,10 +1733,7 @@ BPF_CALL_3(bpf_clone_redirect, struct sk_buff *, skb, u32, ifindex, u64, flags) return -ENOMEM; } - bpf_push_mac_rcsum(clone); - - return flags & BPF_F_INGRESS ? - __bpf_rx_skb(dev, clone) : __bpf_tx_skb(dev, clone); + return __bpf_redirect(clone, dev, flags); } static const struct bpf_func_proto bpf_clone_redirect_proto = { @@ -1722,10 +1777,7 @@ int skb_do_redirect(struct sk_buff *skb) return -EINVAL; } - bpf_push_mac_rcsum(skb); - - return ri->flags & BPF_F_INGRESS ? - __bpf_rx_skb(dev, skb) : __bpf_tx_skb(dev, skb); + return __bpf_redirect(skb, dev, ri->flags); } static const struct bpf_func_proto bpf_redirect_proto = { diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 87e0181..b481a4a 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -122,7 +122,7 @@ bool __skb_flow_dissect(const struct sk_buff *skb, struct flow_dissector_key_keyid *key_keyid; bool skip_vlan = false; u8 ip_proto = 0; - bool ret = false; + bool ret; if (!data) { data = skb->data; @@ -549,12 +549,17 @@ ip_proto_again: out_good: ret = true; -out_bad: + key_control->thoff = (u16)nhoff; +out: key_basic->n_proto = proto; key_basic->ip_proto = ip_proto; - key_control->thoff = (u16)nhoff; return ret; + +out_bad: + ret = false; + key_control->thoff = min_t(u16, nhoff, skb ? skb->len : hlen); + goto out; } EXPORT_SYMBOL(__skb_flow_dissect); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index fb7348f..db313ec 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -275,6 +275,7 @@ int rtnl_unregister(int protocol, int msgtype) rtnl_msg_handlers[protocol][msgindex].doit = NULL; rtnl_msg_handlers[protocol][msgindex].dumpit = NULL; + rtnl_msg_handlers[protocol][msgindex].calcit = NULL; return 0; } diff --git a/net/core/sock.c b/net/core/sock.c index 0397928..14e6145 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -453,7 +453,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) EXPORT_SYMBOL(sock_queue_rcv_skb); int __sk_receive_skb(struct sock *sk, struct sk_buff *skb, - const int nested, unsigned int trim_cap) + const int nested, unsigned int trim_cap, bool refcounted) { int rc = NET_RX_SUCCESS; @@ -487,7 +487,8 @@ int __sk_receive_skb(struct sock *sk, struct sk_buff *skb, bh_unlock_sock(sk); out: - sock_put(sk); + if (refcounted) + sock_put(sk); return rc; discard_and_relse: kfree_skb(skb); @@ -1543,6 +1544,7 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority) RCU_INIT_POINTER(newsk->sk_reuseport_cb, NULL); newsk->sk_err = 0; + newsk->sk_err_soft = 0; newsk->sk_priority = 0; newsk->sk_incoming_cpu = raw_smp_processor_id(); atomic64_set(&newsk->sk_cookie, 0); diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index a957aca..fda321d 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -235,7 +235,7 @@ static void dccp_v4_err(struct sk_buff *skb, u32 info) { const struct iphdr *iph = (struct iphdr *)skb->data; const u8 offset = iph->ihl << 2; - const struct dccp_hdr *dh = (struct dccp_hdr *)(skb->data + offset); + const struct dccp_hdr *dh; struct dccp_sock *dp; struct inet_sock *inet; const int type = icmp_hdr(skb)->type; @@ -245,11 +245,13 @@ static void dccp_v4_err(struct sk_buff *skb, u32 info) int err; struct net *net = dev_net(skb->dev); - if (skb->len < offset + sizeof(*dh) || - skb->len < offset + __dccp_basic_hdr_len(dh)) { - __ICMP_INC_STATS(net, ICMP_MIB_INERRORS); - return; - } + /* Only need dccph_dport & dccph_sport which are the first + * 4 bytes in dccp header. + * Our caller (icmp_socket_deliver()) already pulled 8 bytes for us. + */ + BUILD_BUG_ON(offsetofend(struct dccp_hdr, dccph_sport) > 8); + BUILD_BUG_ON(offsetofend(struct dccp_hdr, dccph_dport) > 8); + dh = (struct dccp_hdr *)(skb->data + offset); sk = __inet_lookup_established(net, &dccp_hashinfo, iph->daddr, dh->dccph_dport, @@ -862,7 +864,7 @@ lookup: goto discard_and_relse; nf_reset(skb); - return __sk_receive_skb(sk, skb, 1, dh->dccph_doff * 4); + return __sk_receive_skb(sk, skb, 1, dh->dccph_doff * 4, refcounted); no_dccp_socket: if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 32f9f1a..adfc790 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -70,7 +70,7 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, u8 type, u8 code, int offset, __be32 info) { const struct ipv6hdr *hdr = (const struct ipv6hdr *)skb->data; - const struct dccp_hdr *dh = (struct dccp_hdr *)(skb->data + offset); + const struct dccp_hdr *dh; struct dccp_sock *dp; struct ipv6_pinfo *np; struct sock *sk; @@ -78,12 +78,13 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, __u64 seq; struct net *net = dev_net(skb->dev); - if (skb->len < offset + sizeof(*dh) || - skb->len < offset + __dccp_basic_hdr_len(dh)) { - __ICMP6_INC_STATS(net, __in6_dev_get(skb->dev), - ICMP6_MIB_INERRORS); - return; - } + /* Only need dccph_dport & dccph_sport which are the first + * 4 bytes in dccp header. + * Our caller (icmpv6_notify()) already pulled 8 bytes for us. + */ + BUILD_BUG_ON(offsetofend(struct dccp_hdr, dccph_sport) > 8); + BUILD_BUG_ON(offsetofend(struct dccp_hdr, dccph_dport) > 8); + dh = (struct dccp_hdr *)(skb->data + offset); sk = __inet6_lookup_established(net, &dccp_hashinfo, &hdr->daddr, dh->dccph_dport, @@ -738,7 +739,8 @@ lookup: if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) goto discard_and_relse; - return __sk_receive_skb(sk, skb, 1, dh->dccph_doff * 4) ? -1 : 0; + return __sk_receive_skb(sk, skb, 1, dh->dccph_doff * 4, + refcounted) ? -1 : 0; no_dccp_socket: if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) @@ -956,6 +958,7 @@ static const struct inet_connection_sock_af_ops dccp_ipv6_mapped = { .getsockopt = ipv6_getsockopt, .addr2sockaddr = inet6_csk_addr2sockaddr, .sockaddr_len = sizeof(struct sockaddr_in6), + .bind_conflict = inet6_csk_bind_conflict, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_ipv6_setsockopt, .compat_getsockopt = compat_ipv6_getsockopt, diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 41e65804..9fe25bf 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -1009,6 +1009,10 @@ void dccp_close(struct sock *sk, long timeout) __kfree_skb(skb); } + /* If socket has been already reset kill it. */ + if (sk->sk_state == DCCP_CLOSED) + goto adjudge_to_death; + if (data_was_unread) { /* Unread data was tossed, send an appropriate Reset Code */ DCCP_WARN("ABORT with %u bytes unread\n", data_was_unread); diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 9648c97..5ddf5cd 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -533,9 +533,9 @@ EXPORT_SYMBOL(inet_dgram_connect); static long inet_wait_for_connect(struct sock *sk, long timeo, int writebias) { - DEFINE_WAIT(wait); + DEFINE_WAIT_FUNC(wait, woken_wake_function); - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); + add_wait_queue(sk_sleep(sk), &wait); sk->sk_write_pending += writebias; /* Basic assumption: if someone sets sk->sk_err, he _must_ @@ -545,13 +545,12 @@ static long inet_wait_for_connect(struct sock *sk, long timeo, int writebias) */ while ((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV)) { release_sock(sk); - timeo = schedule_timeout(timeo); + timeo = wait_woken(&wait, TASK_INTERRUPTIBLE, timeo); lock_sock(sk); if (signal_pending(current) || !timeo) break; - prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE); } - finish_wait(sk_sleep(sk), &wait); + remove_wait_queue(sk_sleep(sk), &wait); sk->sk_write_pending -= writebias; return timeo; } diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 31cef36..4cff74d 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -2413,22 +2413,19 @@ static struct key_vector *fib_route_get_idx(struct fib_route_iter *iter, struct key_vector *l, **tp = &iter->tnode; t_key key; - /* use cache location of next-to-find key */ + /* use cached location of previously found key */ if (iter->pos > 0 && pos >= iter->pos) { - pos -= iter->pos; key = iter->key; } else { - iter->pos = 0; + iter->pos = 1; key = 0; } - while ((l = leaf_walk_rcu(tp, key)) != NULL) { + pos -= iter->pos; + + while ((l = leaf_walk_rcu(tp, key)) && (pos-- > 0)) { key = l->key + 1; iter->pos++; - - if (--pos <= 0) - break; - l = NULL; /* handle unlikely case of a key wrap */ @@ -2437,7 +2434,7 @@ static struct key_vector *fib_route_get_idx(struct fib_route_iter *iter, } if (l) - iter->key = key; /* remember it */ + iter->key = l->key; /* remember it */ else iter->pos = 0; /* forget it */ @@ -2465,7 +2462,7 @@ static void *fib_route_seq_start(struct seq_file *seq, loff_t *pos) return fib_route_get_idx(iter, *pos); iter->pos = 0; - iter->key = 0; + iter->key = KEY_MAX; return SEQ_START_TOKEN; } @@ -2474,7 +2471,7 @@ static void *fib_route_seq_next(struct seq_file *seq, void *v, loff_t *pos) { struct fib_route_iter *iter = seq->private; struct key_vector *l = NULL; - t_key key = iter->key; + t_key key = iter->key + 1; ++*pos; @@ -2483,7 +2480,7 @@ static void *fib_route_seq_next(struct seq_file *seq, void *v, loff_t *pos) l = leaf_walk_rcu(&iter->tnode, key); if (l) { - iter->key = l->key + 1; + iter->key = l->key; iter->pos++; } else { iter->pos = 0; diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 53a890b..691146a 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -479,7 +479,7 @@ static struct rtable *icmp_route_lookup(struct net *net, fl4->flowi4_proto = IPPROTO_ICMP; fl4->fl4_icmp_type = type; fl4->fl4_icmp_code = code; - fl4->flowi4_oif = l3mdev_master_ifindex(skb_in->dev); + fl4->flowi4_oif = l3mdev_master_ifindex(skb_dst(skb_in)->dev); security_skb_classify_flow(skb_in, flowi4_to_flowi(fl4)); rt = __ip_route_output_key_hash(net, fl4, @@ -504,7 +504,7 @@ static struct rtable *icmp_route_lookup(struct net *net, if (err) goto relookup_failed; - if (inet_addr_type_dev_table(net, skb_in->dev, + if (inet_addr_type_dev_table(net, skb_dst(skb_in)->dev, fl4_dec.saddr) == RTN_LOCAL) { rt2 = __ip_route_output_key(net, &fl4_dec); if (IS_ERR(rt2)) diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c index 8b4ffd2..9f0a7b9 100644 --- a/net/ipv4/ip_forward.c +++ b/net/ipv4/ip_forward.c @@ -117,7 +117,7 @@ int ip_forward(struct sk_buff *skb) if (opt->is_strictroute && rt->rt_uses_gateway) goto sr_failed; - IPCB(skb)->flags |= IPSKB_FORWARDED | IPSKB_FRAG_SEGS; + IPCB(skb)->flags |= IPSKB_FORWARDED; mtu = ip_dst_mtu_maybe_forward(&rt->dst, true); if (ip_exceeds_mtu(skb, mtu)) { IP_INC_STATS(net, IPSTATS_MIB_FRAGFAILS); diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 37dfacd..eaf720b 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -239,19 +239,23 @@ static int ip_finish_output_gso(struct net *net, struct sock *sk, struct sk_buff *segs; int ret = 0; - /* common case: fragmentation of segments is not allowed, - * or seglen is <= mtu + /* common case: seglen is <= mtu */ - if (((IPCB(skb)->flags & IPSKB_FRAG_SEGS) == 0) || - skb_gso_validate_mtu(skb, mtu)) + if (skb_gso_validate_mtu(skb, mtu)) return ip_finish_output2(net, sk, skb); - /* Slowpath - GSO segment length is exceeding the dst MTU. + /* Slowpath - GSO segment length exceeds the egress MTU. * - * This can happen in two cases: - * 1) TCP GRO packet, DF bit not set - * 2) skb arrived via virtio-net, we thus get TSO/GSO skbs directly - * from host network stack. + * This can happen in several cases: + * - Forwarding of a TCP GRO skb, when DF flag is not set. + * - Forwarding of an skb that arrived on a virtualization interface + * (virtio-net/vhost/tap) with TSO/GSO size set by other network + * stack. + * - Local GSO skb transmitted on an NETIF_F_TSO tunnel stacked over an + * interface with a smaller MTU. + * - Arriving GRO skb (or GSO skb in a virtualized environment) that is + * bridged to a NETIF_F_TSO tunnel stacked over an interface with an + * insufficent MTU. */ features = netif_skb_features(skb); BUILD_BUG_ON(sizeof(*IPCB(skb)) > SKB_SGO_CB_OFFSET); @@ -1579,7 +1583,8 @@ void ip_send_unicast_reply(struct sock *sk, struct sk_buff *skb, } oif = arg->bound_dev_if; - oif = oif ? : skb->skb_iif; + if (!oif && netif_index_is_l3_master(net, skb->skb_iif)) + oif = skb->skb_iif; flowi4_init_output(&fl4, oif, IP4_REPLY_MARK(net, skb->mark), diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c index 777bc18..fed3d29 100644 --- a/net/ipv4/ip_tunnel_core.c +++ b/net/ipv4/ip_tunnel_core.c @@ -63,7 +63,6 @@ void iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb, int pkt_len = skb->len - skb_inner_network_offset(skb); struct net *net = dev_net(rt->dst.dev); struct net_device *dev = skb->dev; - int skb_iif = skb->skb_iif; struct iphdr *iph; int err; @@ -73,16 +72,6 @@ void iptunnel_xmit(struct sock *sk, struct rtable *rt, struct sk_buff *skb, skb_dst_set(skb, &rt->dst); memset(IPCB(skb), 0, sizeof(*IPCB(skb))); - if (skb_iif && !(df & htons(IP_DF))) { - /* Arrived from an ingress interface, got encapsulated, with - * fragmentation of encapulating frames allowed. - * If skb is gso, the resulting encapsulated network segments - * may exceed dst mtu. - * Allow IP Fragmentation of segments. - */ - IPCB(skb)->flags |= IPSKB_FRAG_SEGS; - } - /* Push down and install the IP header. */ skb_push(skb, sizeof(struct iphdr)); skb_reset_network_header(skb); diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index f2fd13b..665505d 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -1754,7 +1754,7 @@ static void ipmr_queue_xmit(struct net *net, struct mr_table *mrt, vif->dev->stats.tx_bytes += skb->len; } - IPCB(skb)->flags |= IPSKB_FORWARDED | IPSKB_FRAG_SEGS; + IPCB(skb)->flags |= IPSKB_FORWARDED; /* RFC1584 teaches, that DVMRP/PIM router must deliver packets locally * not only before forwarding, but after forwarding on all output diff --git a/net/ipv4/netfilter/nft_dup_ipv4.c b/net/ipv4/netfilter/nft_dup_ipv4.c index 7ab544f..0af3d8d 100644 --- a/net/ipv4/netfilter/nft_dup_ipv4.c +++ b/net/ipv4/netfilter/nft_dup_ipv4.c @@ -28,7 +28,7 @@ static void nft_dup_ipv4_eval(const struct nft_expr *expr, struct in_addr gw = { .s_addr = (__force __be32)regs->data[priv->sreg_addr], }; - int oif = regs->data[priv->sreg_dev]; + int oif = priv->sreg_dev ? regs->data[priv->sreg_dev] : -1; nf_dup_ipv4(nft_net(pkt), pkt->skb, nft_hook(pkt), &gw, oif); } @@ -59,7 +59,9 @@ static int nft_dup_ipv4_dump(struct sk_buff *skb, const struct nft_expr *expr) { struct nft_dup_ipv4 *priv = nft_expr_priv(expr); - if (nft_dump_register(skb, NFTA_DUP_SREG_ADDR, priv->sreg_addr) || + if (nft_dump_register(skb, NFTA_DUP_SREG_ADDR, priv->sreg_addr)) + goto nla_put_failure; + if (priv->sreg_dev && nft_dump_register(skb, NFTA_DUP_SREG_DEV, priv->sreg_dev)) goto nla_put_failure; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 2355883..d37fc6f 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -755,7 +755,9 @@ static void __ip_do_redirect(struct rtable *rt, struct sk_buff *skb, struct flow goto reject_redirect; } - n = ipv4_neigh_lookup(&rt->dst, NULL, &new_gw); + n = __ipv4_neigh_lookup(rt->dst.dev, new_gw); + if (!n) + n = neigh_create(&arp_tbl, &new_gw, rt->dst.dev); if (!IS_ERR(n)) { if (!(n->nud_state & NUD_VALID)) { neigh_event_send(n, NULL); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index f8f924c..b025a69 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1162,7 +1162,7 @@ restart: err = -EPIPE; if (sk->sk_err || (sk->sk_shutdown & SEND_SHUTDOWN)) - goto out_err; + goto do_error; sg = !!(sk->sk_route_caps & NETIF_F_SG); @@ -1239,7 +1239,7 @@ new_segment: if (!skb_can_coalesce(skb, i, pfrag->page, pfrag->offset)) { - if (i == sysctl_max_skb_frags || !sg) { + if (i >= sysctl_max_skb_frags || !sg) { tcp_mark_push(tp, skb); goto new_segment; } diff --git a/net/ipv4/tcp_dctcp.c b/net/ipv4/tcp_dctcp.c index 10d728b..ab37c67 100644 --- a/net/ipv4/tcp_dctcp.c +++ b/net/ipv4/tcp_dctcp.c @@ -56,6 +56,7 @@ struct dctcp { u32 next_seq; u32 ce_state; u32 delayed_ack_reserved; + u32 loss_cwnd; }; static unsigned int dctcp_shift_g __read_mostly = 4; /* g = 1/2^4 */ @@ -96,6 +97,7 @@ static void dctcp_init(struct sock *sk) ca->dctcp_alpha = min(dctcp_alpha_on_init, DCTCP_MAX_ALPHA); ca->delayed_ack_reserved = 0; + ca->loss_cwnd = 0; ca->ce_state = 0; dctcp_reset(tp, ca); @@ -111,9 +113,10 @@ static void dctcp_init(struct sock *sk) static u32 dctcp_ssthresh(struct sock *sk) { - const struct dctcp *ca = inet_csk_ca(sk); + struct dctcp *ca = inet_csk_ca(sk); struct tcp_sock *tp = tcp_sk(sk); + ca->loss_cwnd = tp->snd_cwnd; return max(tp->snd_cwnd - ((tp->snd_cwnd * ca->dctcp_alpha) >> 11U), 2U); } @@ -308,12 +311,20 @@ static size_t dctcp_get_info(struct sock *sk, u32 ext, int *attr, return 0; } +static u32 dctcp_cwnd_undo(struct sock *sk) +{ + const struct dctcp *ca = inet_csk_ca(sk); + + return max(tcp_sk(sk)->snd_cwnd, ca->loss_cwnd); +} + static struct tcp_congestion_ops dctcp __read_mostly = { .init = dctcp_init, .in_ack_event = dctcp_update_alpha, .cwnd_event = dctcp_cwnd_event, .ssthresh = dctcp_ssthresh, .cong_avoid = tcp_reno_cong_avoid, + .undo_cwnd = dctcp_cwnd_undo, .set_state = dctcp_state, .get_info = dctcp_get_info, .flags = TCP_CONG_NEEDS_ECN, diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 6491b7c..5555eb8 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1567,6 +1567,21 @@ bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb) } EXPORT_SYMBOL(tcp_add_backlog); +int tcp_filter(struct sock *sk, struct sk_buff *skb) +{ + struct tcphdr *th = (struct tcphdr *)skb->data; + unsigned int eaten = skb->len; + int err; + + err = sk_filter_trim_cap(sk, skb, th->doff * 4); + if (!err) { + eaten -= skb->len; + TCP_SKB_CB(skb)->end_seq -= eaten; + } + return err; +} +EXPORT_SYMBOL(tcp_filter); + /* * From tcp_input.c */ @@ -1679,8 +1694,10 @@ process: nf_reset(skb); - if (sk_filter(sk, skb)) + if (tcp_filter(sk, skb)) goto discard_and_relse; + th = (const struct tcphdr *)skb->data; + iph = ip_hdr(skb); skb->dev = NULL; diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index ab249fe..eb948ff 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -449,7 +449,7 @@ static void icmp6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info, if (__ipv6_addr_needs_scope_id(addr_type)) iif = skb->dev->ifindex; else - iif = l3mdev_master_ifindex(skb->dev); + iif = l3mdev_master_ifindex(skb_dst(skb)->dev); /* * Must not send error if the source does not uniquely diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index ddc878d..b37054b 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1367,7 +1367,7 @@ emsgsize: if (((length > mtu) || (skb && skb_is_gso(skb))) && (sk->sk_protocol == IPPROTO_UDP) && - (rt->dst.dev->features & NETIF_F_UFO) && + (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len && (sk->sk_type == SOCK_DGRAM) && !udp_get_no_check6_tx(sk)) { err = ip6_ufo_append_data(sk, queue, getfrag, from, length, hh_len, fragheaderlen, exthdrlen, diff --git a/net/ipv6/ip6_udp_tunnel.c b/net/ipv6/ip6_udp_tunnel.c index a752052..b283f29 100644 --- a/net/ipv6/ip6_udp_tunnel.c +++ b/net/ipv6/ip6_udp_tunnel.c @@ -88,9 +88,6 @@ int udp_tunnel6_xmit_skb(struct dst_entry *dst, struct sock *sk, uh->len = htons(skb->len); - memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt)); - IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED - | IPSKB_REROUTED); skb_dst_set(skb, dst); udp6_set_csum(nocheck, skb, saddr, daddr, skb->len); diff --git a/net/ipv6/netfilter/nft_dup_ipv6.c b/net/ipv6/netfilter/nft_dup_ipv6.c index 26074a8..d8b5b60 100644 --- a/net/ipv6/netfilter/nft_dup_ipv6.c +++ b/net/ipv6/netfilter/nft_dup_ipv6.c @@ -26,7 +26,7 @@ static void nft_dup_ipv6_eval(const struct nft_expr *expr, { struct nft_dup_ipv6 *priv = nft_expr_priv(expr); struct in6_addr *gw = (struct in6_addr *)®s->data[priv->sreg_addr]; - int oif = regs->data[priv->sreg_dev]; + int oif = priv->sreg_dev ? regs->data[priv->sreg_dev] : -1; nf_dup_ipv6(nft_net(pkt), pkt->skb, nft_hook(pkt), gw, oif); } @@ -57,7 +57,9 @@ static int nft_dup_ipv6_dump(struct sk_buff *skb, const struct nft_expr *expr) { struct nft_dup_ipv6 *priv = nft_expr_priv(expr); - if (nft_dump_register(skb, NFTA_DUP_SREG_ADDR, priv->sreg_addr) || + if (nft_dump_register(skb, NFTA_DUP_SREG_ADDR, priv->sreg_addr)) + goto nla_put_failure; + if (priv->sreg_dev && nft_dump_register(skb, NFTA_DUP_SREG_DEV, priv->sreg_dev)) goto nla_put_failure; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 6aa014e..b317bb1 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1364,6 +1364,9 @@ static void __ip6_rt_update_pmtu(struct dst_entry *dst, const struct sock *sk, if (rt6->rt6i_flags & RTF_LOCAL) return; + if (dst_metric_locked(dst, RTAX_MTU)) + return; + dst_confirm(dst); mtu = max_t(u32, mtu, IPV6_MIN_MTU); if (mtu >= dst_mtu(dst)) @@ -2763,6 +2766,7 @@ static int rt6_mtu_change_route(struct rt6_info *rt, void *p_arg) PMTU discouvery. */ if (rt->dst.dev == arg->dev && + dst_metric_raw(&rt->dst, RTAX_MTU) && !dst_metric_locked(&rt->dst, RTAX_MTU)) { if (rt->rt6i_flags & RTF_CACHE) { /* For RTF_CACHE with rt6i_pmtu == 0 diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index aece1b1..28ec0a2 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -819,8 +819,12 @@ static void tcp_v6_send_response(const struct sock *sk, struct sk_buff *skb, u32 fl6.flowi6_proto = IPPROTO_TCP; if (rt6_need_strict(&fl6.daddr) && !oif) fl6.flowi6_oif = tcp_v6_iif(skb); - else - fl6.flowi6_oif = oif ? : skb->skb_iif; + else { + if (!oif && netif_index_is_l3_master(net, skb->skb_iif)) + oif = skb->skb_iif; + + fl6.flowi6_oif = oif; + } fl6.flowi6_mark = IP6_REPLY_MARK(net, skb->mark); fl6.fl6_dport = t1->dest; @@ -1227,7 +1231,7 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb) if (skb->protocol == htons(ETH_P_IP)) return tcp_v4_do_rcv(sk, skb); - if (sk_filter(sk, skb)) + if (tcp_filter(sk, skb)) goto discard; /* @@ -1455,8 +1459,10 @@ process: if (tcp_v6_inbound_md5_hash(sk, skb)) goto discard_and_relse; - if (sk_filter(sk, skb)) + if (tcp_filter(sk, skb)) goto discard_and_relse; + th = (const struct tcphdr *)skb->data; + hdr = ipv6_hdr(skb); skb->dev = NULL; diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index 6b85ded..038c2ba 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -3869,7 +3869,7 @@ static struct genl_family ip_vs_genl_family __ro_after_init = { .hdrsize = 0, .name = IPVS_GENL_NAME, .version = IPVS_GENL_VERSION, - .maxattr = IPVS_CMD_MAX, + .maxattr = IPVS_CMD_ATTR_MAX, .netnsok = true, /* Make ipvsadm to work on netns */ .module = THIS_MODULE, .ops = ip_vs_genl_ops, diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c index 1b07578..9350530 100644 --- a/net/netfilter/ipvs/ip_vs_sync.c +++ b/net/netfilter/ipvs/ip_vs_sync.c @@ -283,6 +283,7 @@ struct ip_vs_sync_buff { */ static void ntoh_seq(struct ip_vs_seq *no, struct ip_vs_seq *ho) { + memset(ho, 0, sizeof(*ho)); ho->init_seq = get_unaligned_be32(&no->init_seq); ho->delta = get_unaligned_be32(&no->delta); ho->previous_delta = get_unaligned_be32(&no->previous_delta); @@ -917,8 +918,10 @@ static void ip_vs_proc_conn(struct netns_ipvs *ipvs, struct ip_vs_conn_param *pa kfree(param->pe_data); } - if (opt) - memcpy(&cp->in_seq, opt, sizeof(*opt)); + if (opt) { + cp->in_seq = opt->in_seq; + cp->out_seq = opt->out_seq; + } atomic_set(&cp->in_pkts, sysctl_sync_threshold(ipvs)); cp->state = state; cp->old_state = cp->state; diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index e9ffe33..6a0bbfa 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -76,6 +76,7 @@ struct conntrack_gc_work { struct delayed_work dwork; u32 last_bucket; bool exiting; + long next_gc_run; }; static __read_mostly struct kmem_cache *nf_conntrack_cachep; @@ -83,9 +84,11 @@ static __read_mostly spinlock_t nf_conntrack_locks_all_lock; static __read_mostly DEFINE_SPINLOCK(nf_conntrack_locks_all_lock); static __read_mostly bool nf_conntrack_locks_all; +/* every gc cycle scans at most 1/GC_MAX_BUCKETS_DIV part of table */ #define GC_MAX_BUCKETS_DIV 64u -#define GC_MAX_BUCKETS 8192u -#define GC_INTERVAL (5 * HZ) +/* upper bound of scan intervals */ +#define GC_INTERVAL_MAX (2 * HZ) +/* maximum conntracks to evict per gc run */ #define GC_MAX_EVICTS 256u static struct conntrack_gc_work conntrack_gc_work; @@ -936,13 +939,13 @@ static noinline int early_drop(struct net *net, unsigned int _hash) static void gc_worker(struct work_struct *work) { unsigned int i, goal, buckets = 0, expired_count = 0; - unsigned long next_run = GC_INTERVAL; - unsigned int ratio, scanned = 0; struct conntrack_gc_work *gc_work; + unsigned int ratio, scanned = 0; + unsigned long next_run; gc_work = container_of(work, struct conntrack_gc_work, dwork.work); - goal = min(nf_conntrack_htable_size / GC_MAX_BUCKETS_DIV, GC_MAX_BUCKETS); + goal = nf_conntrack_htable_size / GC_MAX_BUCKETS_DIV; i = gc_work->last_bucket; do { @@ -982,17 +985,47 @@ static void gc_worker(struct work_struct *work) if (gc_work->exiting) return; + /* + * Eviction will normally happen from the packet path, and not + * from this gc worker. + * + * This worker is only here to reap expired entries when system went + * idle after a busy period. + * + * The heuristics below are supposed to balance conflicting goals: + * + * 1. Minimize time until we notice a stale entry + * 2. Maximize scan intervals to not waste cycles + * + * Normally, expired_count will be 0, this increases the next_run time + * to priorize 2) above. + * + * As soon as a timed-out entry is found, move towards 1) and increase + * the scan frequency. + * In case we have lots of evictions next scan is done immediately. + */ ratio = scanned ? expired_count * 100 / scanned : 0; - if (ratio >= 90 || expired_count == GC_MAX_EVICTS) + if (ratio >= 90 || expired_count == GC_MAX_EVICTS) { + gc_work->next_gc_run = 0; next_run = 0; + } else if (expired_count) { + gc_work->next_gc_run /= 2U; + next_run = msecs_to_jiffies(1); + } else { + if (gc_work->next_gc_run < GC_INTERVAL_MAX) + gc_work->next_gc_run += msecs_to_jiffies(1); + + next_run = gc_work->next_gc_run; + } gc_work->last_bucket = i; - schedule_delayed_work(&gc_work->dwork, next_run); + queue_delayed_work(system_long_wq, &gc_work->dwork, next_run); } static void conntrack_gc_work_init(struct conntrack_gc_work *gc_work) { INIT_DELAYED_WORK(&gc_work->dwork, gc_worker); + gc_work->next_gc_run = GC_INTERVAL_MAX; gc_work->exiting = false; } @@ -1884,7 +1917,7 @@ int nf_conntrack_init_start(void) nf_ct_untracked_status_or(IPS_CONFIRMED | IPS_UNTRACKED); conntrack_gc_work_init(&conntrack_gc_work); - schedule_delayed_work(&conntrack_gc_work.dwork, GC_INTERVAL); + queue_delayed_work(system_long_wq, &conntrack_gc_work.dwork, GC_INTERVAL_MAX); return 0; diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c index 336e215..7341adf 100644 --- a/net/netfilter/nf_conntrack_helper.c +++ b/net/netfilter/nf_conntrack_helper.c @@ -138,9 +138,14 @@ __nf_conntrack_helper_find(const char *name, u16 l3num, u8 protonum) for (i = 0; i < nf_ct_helper_hsize; i++) { hlist_for_each_entry_rcu(h, &nf_ct_helper_hash[i], hnode) { - if (!strcmp(h->name, name) && - h->tuple.src.l3num == l3num && - h->tuple.dst.protonum == protonum) + if (strcmp(h->name, name)) + continue; + + if (h->tuple.src.l3num != NFPROTO_UNSPEC && + h->tuple.src.l3num != l3num) + continue; + + if (h->tuple.dst.protonum == protonum) return h; } } diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c index 621b81c..c3fc14e 100644 --- a/net/netfilter/nf_conntrack_sip.c +++ b/net/netfilter/nf_conntrack_sip.c @@ -1436,9 +1436,12 @@ static int process_sip_request(struct sk_buff *skb, unsigned int protoff, handler = &sip_handlers[i]; if (handler->request == NULL) continue; - if (*datalen < handler->len || + if (*datalen < handler->len + 2 || strncasecmp(*dptr, handler->method, handler->len)) continue; + if ((*dptr)[handler->len] != ' ' || + !isalpha((*dptr)[handler->len+1])) + continue; if (ct_sip_get_header(ct, *dptr, 0, *datalen, SIP_HDR_CSEQ, &matchoff, &matchlen) <= 0) { diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 24db222..026581b 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -2956,12 +2956,14 @@ static int nf_tables_newset(struct net *net, struct sock *nlsk, err = nft_trans_set_add(&ctx, NFT_MSG_NEWSET, set); if (err < 0) - goto err2; + goto err3; list_add_tail_rcu(&set->list, &table->sets); table->use++; return 0; +err3: + ops->destroy(set); err2: kfree(set); err1: @@ -3452,14 +3454,15 @@ void *nft_set_elem_init(const struct nft_set *set, return elem; } -void nft_set_elem_destroy(const struct nft_set *set, void *elem) +void nft_set_elem_destroy(const struct nft_set *set, void *elem, + bool destroy_expr) { struct nft_set_ext *ext = nft_set_elem_ext(set, elem); nft_data_uninit(nft_set_ext_key(ext), NFT_DATA_VALUE); if (nft_set_ext_exists(ext, NFT_SET_EXT_DATA)) nft_data_uninit(nft_set_ext_data(ext), set->dtype); - if (nft_set_ext_exists(ext, NFT_SET_EXT_EXPR)) + if (destroy_expr && nft_set_ext_exists(ext, NFT_SET_EXT_EXPR)) nf_tables_expr_destroy(NULL, nft_set_ext_expr(ext)); kfree(elem); @@ -3565,6 +3568,7 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set, dreg = nft_type_to_reg(set->dtype); list_for_each_entry(binding, &set->bindings, list) { struct nft_ctx bind_ctx = { + .net = ctx->net, .afi = ctx->afi, .table = ctx->table, .chain = (struct nft_chain *)binding->chain, @@ -3812,7 +3816,7 @@ void nft_set_gc_batch_release(struct rcu_head *rcu) gcb = container_of(rcu, struct nft_set_gc_batch, head.rcu); for (i = 0; i < gcb->head.cnt; i++) - nft_set_elem_destroy(gcb->head.set, gcb->elems[i]); + nft_set_elem_destroy(gcb->head.set, gcb->elems[i], true); kfree(gcb); } EXPORT_SYMBOL_GPL(nft_set_gc_batch_release); @@ -4030,7 +4034,7 @@ static void nf_tables_commit_release(struct nft_trans *trans) break; case NFT_MSG_DELSETELEM: nft_set_elem_destroy(nft_trans_elem_set(trans), - nft_trans_elem(trans).priv); + nft_trans_elem(trans).priv, true); break; } kfree(trans); @@ -4171,7 +4175,7 @@ static void nf_tables_abort_release(struct nft_trans *trans) break; case NFT_MSG_NEWSETELEM: nft_set_elem_destroy(nft_trans_elem_set(trans), - nft_trans_elem(trans).priv); + nft_trans_elem(trans).priv, true); break; } kfree(trans); @@ -4421,7 +4425,7 @@ static int nf_tables_check_loops(const struct nft_ctx *ctx, * Otherwise a 0 is returned and the attribute value is stored in the * destination variable. */ -unsigned int nft_parse_u32_check(const struct nlattr *attr, int max, u32 *dest) +int nft_parse_u32_check(const struct nlattr *attr, int max, u32 *dest) { u32 val; diff --git a/net/netfilter/nft_dynset.c b/net/netfilter/nft_dynset.c index 4339e3f1..7de2f46 100644 --- a/net/netfilter/nft_dynset.c +++ b/net/netfilter/nft_dynset.c @@ -44,18 +44,22 @@ static void *nft_dynset_new(struct nft_set *set, const struct nft_expr *expr, ®s->data[priv->sreg_key], ®s->data[priv->sreg_data], timeout, GFP_ATOMIC); - if (elem == NULL) { - if (set->size) - atomic_dec(&set->nelems); - return NULL; - } + if (elem == NULL) + goto err1; ext = nft_set_elem_ext(set, elem); if (priv->expr != NULL && nft_expr_clone(nft_set_ext_expr(ext), priv->expr) < 0) - return NULL; + goto err2; return elem; + +err2: + nft_set_elem_destroy(set, elem, false); +err1: + if (set->size) + atomic_dec(&set->nelems); + return NULL; } static void nft_dynset_eval(const struct nft_expr *expr, @@ -139,6 +143,9 @@ static int nft_dynset_init(const struct nft_ctx *ctx, return PTR_ERR(set); } + if (set->ops->update == NULL) + return -EOPNOTSUPP; + if (set->flags & NFT_SET_CONSTANT) return -EBUSY; diff --git a/net/netfilter/nft_set_hash.c b/net/netfilter/nft_set_hash.c index 3794cb2..a3dface 100644 --- a/net/netfilter/nft_set_hash.c +++ b/net/netfilter/nft_set_hash.c @@ -98,7 +98,7 @@ static bool nft_hash_update(struct nft_set *set, const u32 *key, const struct nft_set_ext **ext) { struct nft_hash *priv = nft_set_priv(set); - struct nft_hash_elem *he; + struct nft_hash_elem *he, *prev; struct nft_hash_cmp_arg arg = { .genmask = NFT_GENMASK_ANY, .set = set, @@ -112,15 +112,24 @@ static bool nft_hash_update(struct nft_set *set, const u32 *key, he = new(set, expr, regs); if (he == NULL) goto err1; - if (rhashtable_lookup_insert_key(&priv->ht, &arg, &he->node, - nft_hash_params)) + + prev = rhashtable_lookup_get_insert_key(&priv->ht, &arg, &he->node, + nft_hash_params); + if (IS_ERR(prev)) goto err2; + + /* Another cpu may race to insert the element with the same key */ + if (prev) { + nft_set_elem_destroy(set, he, true); + he = prev; + } + out: *ext = &he->ext; return true; err2: - nft_set_elem_destroy(set, he); + nft_set_elem_destroy(set, he, true); err1: return false; } @@ -332,7 +341,7 @@ static int nft_hash_init(const struct nft_set *set, static void nft_hash_elem_destroy(void *ptr, void *arg) { - nft_set_elem_destroy((const struct nft_set *)arg, ptr); + nft_set_elem_destroy((const struct nft_set *)arg, ptr, true); } static void nft_hash_destroy(const struct nft_set *set) diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c index 38b5bda..36493a7 100644 --- a/net/netfilter/nft_set_rbtree.c +++ b/net/netfilter/nft_set_rbtree.c @@ -266,7 +266,7 @@ static void nft_rbtree_destroy(const struct nft_set *set) while ((node = priv->root.rb_node) != NULL) { rb_erase(node, &priv->root); rbe = rb_entry(node, struct nft_rbtree_elem, node); - nft_set_elem_destroy(set, rbe); + nft_set_elem_destroy(set, rbe, true); } } diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c index 69f78e9..b83e158 100644 --- a/net/netfilter/xt_connmark.c +++ b/net/netfilter/xt_connmark.c @@ -44,7 +44,7 @@ connmark_tg(struct sk_buff *skb, const struct xt_action_param *par) u_int32_t newmark; ct = nf_ct_get(skb, &ctinfo); - if (ct == NULL) + if (ct == NULL || nf_ct_is_untracked(ct)) return XT_CONTINUE; switch (info->mode) { @@ -97,7 +97,7 @@ connmark_mt(const struct sk_buff *skb, struct xt_action_param *par) const struct nf_conn *ct; ct = nf_ct_get(skb, &ctinfo); - if (ct == NULL) + if (ct == NULL || nf_ct_is_untracked(ct)) return false; return ((ct->mark & info->mask) == info->mark) ^ info->invert; diff --git a/net/netlink/diag.c b/net/netlink/diag.c index b2f0e98..a554624 100644 --- a/net/netlink/diag.c +++ b/net/netlink/diag.c @@ -178,11 +178,8 @@ static int netlink_diag_dump(struct sk_buff *skb, struct netlink_callback *cb) } cb->args[1] = i; } else { - if (req->sdiag_protocol >= MAX_LINKS) { - read_unlock(&nl_table_lock); - rcu_read_unlock(); + if (req->sdiag_protocol >= MAX_LINKS) return -ENOENT; - } err = __netlink_diag_dump(skb, cb, req->sdiag_protocol, s_num); } diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index bbd3bff..fb6e10f 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -383,6 +383,7 @@ int genl_register_family(struct genl_family *family) errout_remove: idr_remove(&genl_fam_idr, family->id); + kfree(family->attrbuf); errout_locked: genl_unlock_all(); return err; diff --git a/net/sctp/input.c b/net/sctp/input.c index a2ea1d1..a01a56e 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -181,9 +181,10 @@ int sctp_rcv(struct sk_buff *skb) * bound to another interface, via SO_BINDTODEVICE, treat it as OOTB */ if (sk->sk_bound_dev_if && (sk->sk_bound_dev_if != af->skb_iif(skb))) { - if (asoc) { - sctp_association_put(asoc); + if (transport) { + sctp_transport_put(transport); asoc = NULL; + transport = NULL; } else { sctp_endpoint_put(ep); ep = NULL; @@ -269,8 +270,8 @@ int sctp_rcv(struct sk_buff *skb) bh_unlock_sock(sk); /* Release the asoc/ep ref we took in the lookup calls. */ - if (asoc) - sctp_association_put(asoc); + if (transport) + sctp_transport_put(transport); else sctp_endpoint_put(ep); @@ -283,8 +284,8 @@ discard_it: discard_release: /* Release the asoc/ep ref we took in the lookup calls. */ - if (asoc) - sctp_association_put(asoc); + if (transport) + sctp_transport_put(transport); else sctp_endpoint_put(ep); @@ -300,6 +301,7 @@ int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb) { struct sctp_chunk *chunk = SCTP_INPUT_CB(skb)->chunk; struct sctp_inq *inqueue = &chunk->rcvr->inqueue; + struct sctp_transport *t = chunk->transport; struct sctp_ep_common *rcvr = NULL; int backloged = 0; @@ -351,7 +353,7 @@ int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb) done: /* Release the refs we took in sctp_add_backlog */ if (SCTP_EP_TYPE_ASSOCIATION == rcvr->type) - sctp_association_put(sctp_assoc(rcvr)); + sctp_transport_put(t); else if (SCTP_EP_TYPE_SOCKET == rcvr->type) sctp_endpoint_put(sctp_ep(rcvr)); else @@ -363,6 +365,7 @@ done: static int sctp_add_backlog(struct sock *sk, struct sk_buff *skb) { struct sctp_chunk *chunk = SCTP_INPUT_CB(skb)->chunk; + struct sctp_transport *t = chunk->transport; struct sctp_ep_common *rcvr = chunk->rcvr; int ret; @@ -373,7 +376,7 @@ static int sctp_add_backlog(struct sock *sk, struct sk_buff *skb) * from us */ if (SCTP_EP_TYPE_ASSOCIATION == rcvr->type) - sctp_association_hold(sctp_assoc(rcvr)); + sctp_transport_hold(t); else if (SCTP_EP_TYPE_SOCKET == rcvr->type) sctp_endpoint_hold(sctp_ep(rcvr)); else @@ -537,15 +540,15 @@ struct sock *sctp_err_lookup(struct net *net, int family, struct sk_buff *skb, return sk; out: - sctp_association_put(asoc); + sctp_transport_put(transport); return NULL; } /* Common cleanup code for icmp/icmpv6 error handler. */ -void sctp_err_finish(struct sock *sk, struct sctp_association *asoc) +void sctp_err_finish(struct sock *sk, struct sctp_transport *t) { bh_unlock_sock(sk); - sctp_association_put(asoc); + sctp_transport_put(t); } /* @@ -641,7 +644,7 @@ void sctp_v4_err(struct sk_buff *skb, __u32 info) } out_unlock: - sctp_err_finish(sk, asoc); + sctp_err_finish(sk, transport); } /* @@ -952,11 +955,8 @@ static struct sctp_association *__sctp_lookup_association( goto out; asoc = t->asoc; - sctp_association_hold(asoc); *pt = t; - sctp_transport_put(t); - out: return asoc; } @@ -986,7 +986,7 @@ int sctp_has_association(struct net *net, struct sctp_transport *transport; if ((asoc = sctp_lookup_association(net, laddr, paddr, &transport))) { - sctp_association_put(asoc); + sctp_transport_put(transport); return 1; } @@ -1021,7 +1021,6 @@ static struct sctp_association *__sctp_rcv_init_lookup(struct net *net, struct sctphdr *sh = sctp_hdr(skb); union sctp_params params; sctp_init_chunk_t *init; - struct sctp_transport *transport; struct sctp_af *af; /* @@ -1052,7 +1051,7 @@ static struct sctp_association *__sctp_rcv_init_lookup(struct net *net, af->from_addr_param(paddr, params.addr, sh->source, 0); - asoc = __sctp_lookup_association(net, laddr, paddr, &transport); + asoc = __sctp_lookup_association(net, laddr, paddr, transportp); if (asoc) return asoc; } diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index f473779..176af30 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -198,7 +198,7 @@ static void sctp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, } out_unlock: - sctp_err_finish(sk, asoc); + sctp_err_finish(sk, transport); out: if (likely(idev != NULL)) in6_dev_put(idev); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 9fbb6fe..f23ad91 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1214,9 +1214,12 @@ static int __sctp_connect(struct sock *sk, timeo = sock_sndtimeo(sk, f_flags & O_NONBLOCK); - err = sctp_wait_for_connect(asoc, &timeo); - if ((err == 0 || err == -EINPROGRESS) && assoc_id) + if (assoc_id) *assoc_id = asoc->assoc_id; + err = sctp_wait_for_connect(asoc, &timeo); + /* Note: the asoc may be freed after the return of + * sctp_wait_for_connect. + */ /* Don't free association on exit. */ asoc = NULL; @@ -4282,19 +4285,18 @@ static void sctp_shutdown(struct sock *sk, int how) { struct net *net = sock_net(sk); struct sctp_endpoint *ep; - struct sctp_association *asoc; if (!sctp_style(sk, TCP)) return; - if (how & SEND_SHUTDOWN) { + ep = sctp_sk(sk)->ep; + if (how & SEND_SHUTDOWN && !list_empty(&ep->asocs)) { + struct sctp_association *asoc; + sk->sk_state = SCTP_SS_CLOSING; - ep = sctp_sk(sk)->ep; - if (!list_empty(&ep->asocs)) { - asoc = list_entry(ep->asocs.next, - struct sctp_association, asocs); - sctp_primitive_SHUTDOWN(net, asoc, NULL); - } + asoc = list_entry(ep->asocs.next, + struct sctp_association, asocs); + sctp_primitive_SHUTDOWN(net, asoc, NULL); } } @@ -4480,12 +4482,9 @@ int sctp_transport_lookup_process(int (*cb)(struct sctp_transport *, void *), if (!transport || !sctp_transport_hold(transport)) goto out; - sctp_association_hold(transport->asoc); - sctp_transport_put(transport); - rcu_read_unlock(); err = cb(transport, p); - sctp_association_put(transport->asoc); + sctp_transport_put(transport); out: return err; diff --git a/net/socket.c b/net/socket.c index 4ce33c3..f9e26c6 100644 --- a/net/socket.c +++ b/net/socket.c @@ -2064,6 +2064,8 @@ int __sys_sendmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen, if (err) break; ++datagrams; + if (msg_data_left(&msg_sys)) + break; cond_resched(); } diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index d8bd97a..3dfd769 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -1616,7 +1616,7 @@ gss_validate(struct rpc_task *task, __be32 *p) { struct rpc_cred *cred = task->tk_rqstp->rq_cred; struct gss_cl_ctx *ctx = gss_cred_get_ctx(cred); - __be32 seq; + __be32 *seq = NULL; struct kvec iov; struct xdr_buf verf_buf; struct xdr_netobj mic; @@ -1631,9 +1631,12 @@ gss_validate(struct rpc_task *task, __be32 *p) goto out_bad; if (flav != RPC_AUTH_GSS) goto out_bad; - seq = htonl(task->tk_rqstp->rq_seqno); - iov.iov_base = &seq; - iov.iov_len = sizeof(seq); + seq = kmalloc(4, GFP_NOFS); + if (!seq) + goto out_bad; + *seq = htonl(task->tk_rqstp->rq_seqno); + iov.iov_base = seq; + iov.iov_len = 4; xdr_buf_from_iov(&iov, &verf_buf); mic.data = (u8 *)p; mic.len = len; @@ -1653,11 +1656,13 @@ gss_validate(struct rpc_task *task, __be32 *p) gss_put_ctx(ctx); dprintk("RPC: %5u %s: gss_verify_mic succeeded.\n", task->tk_pid, __func__); + kfree(seq); return p + XDR_QUADLEN(len); out_bad: gss_put_ctx(ctx); dprintk("RPC: %5u %s failed ret %ld.\n", task->tk_pid, __func__, PTR_ERR(ret)); + kfree(seq); return ret; } diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c index 244245b..90115ce 100644 --- a/net/sunrpc/auth_gss/gss_krb5_crypto.c +++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c @@ -166,8 +166,8 @@ make_checksum_hmac_md5(struct krb5_ctx *kctx, char *header, int hdrlen, unsigned int usage, struct xdr_netobj *cksumout) { struct scatterlist sg[1]; - int err; - u8 checksumdata[GSS_KRB5_MAX_CKSUM_LEN]; + int err = -1; + u8 *checksumdata; u8 rc4salt[4]; struct crypto_ahash *md5; struct crypto_ahash *hmac_md5; @@ -187,23 +187,22 @@ make_checksum_hmac_md5(struct krb5_ctx *kctx, char *header, int hdrlen, return GSS_S_FAILURE; } + checksumdata = kmalloc(GSS_KRB5_MAX_CKSUM_LEN, GFP_NOFS); + if (!checksumdata) + return GSS_S_FAILURE; + md5 = crypto_alloc_ahash("md5", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(md5)) - return GSS_S_FAILURE; + goto out_free_cksum; hmac_md5 = crypto_alloc_ahash(kctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(hmac_md5)) { - crypto_free_ahash(md5); - return GSS_S_FAILURE; - } + if (IS_ERR(hmac_md5)) + goto out_free_md5; req = ahash_request_alloc(md5, GFP_KERNEL); - if (!req) { - crypto_free_ahash(hmac_md5); - crypto_free_ahash(md5); - return GSS_S_FAILURE; - } + if (!req) + goto out_free_hmac_md5; ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL); @@ -232,11 +231,8 @@ make_checksum_hmac_md5(struct krb5_ctx *kctx, char *header, int hdrlen, ahash_request_free(req); req = ahash_request_alloc(hmac_md5, GFP_KERNEL); - if (!req) { - crypto_free_ahash(hmac_md5); - crypto_free_ahash(md5); - return GSS_S_FAILURE; - } + if (!req) + goto out_free_hmac_md5; ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL); @@ -258,8 +254,12 @@ make_checksum_hmac_md5(struct krb5_ctx *kctx, char *header, int hdrlen, cksumout->len = kctx->gk5e->cksumlength; out: ahash_request_free(req); - crypto_free_ahash(md5); +out_free_hmac_md5: crypto_free_ahash(hmac_md5); +out_free_md5: + crypto_free_ahash(md5); +out_free_cksum: + kfree(checksumdata); return err ? GSS_S_FAILURE : 0; } @@ -276,8 +276,8 @@ make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen, struct crypto_ahash *tfm; struct ahash_request *req; struct scatterlist sg[1]; - int err; - u8 checksumdata[GSS_KRB5_MAX_CKSUM_LEN]; + int err = -1; + u8 *checksumdata; unsigned int checksumlen; if (kctx->gk5e->ctype == CKSUMTYPE_HMAC_MD5_ARCFOUR) @@ -291,15 +291,17 @@ make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen, return GSS_S_FAILURE; } + checksumdata = kmalloc(GSS_KRB5_MAX_CKSUM_LEN, GFP_NOFS); + if (checksumdata == NULL) + return GSS_S_FAILURE; + tfm = crypto_alloc_ahash(kctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm)) - return GSS_S_FAILURE; + goto out_free_cksum; req = ahash_request_alloc(tfm, GFP_KERNEL); - if (!req) { - crypto_free_ahash(tfm); - return GSS_S_FAILURE; - } + if (!req) + goto out_free_ahash; ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL); @@ -349,7 +351,10 @@ make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen, cksumout->len = kctx->gk5e->cksumlength; out: ahash_request_free(req); +out_free_ahash: crypto_free_ahash(tfm); +out_free_cksum: + kfree(checksumdata); return err ? GSS_S_FAILURE : 0; } @@ -368,8 +373,8 @@ make_checksum_v2(struct krb5_ctx *kctx, char *header, int hdrlen, struct crypto_ahash *tfm; struct ahash_request *req; struct scatterlist sg[1]; - int err; - u8 checksumdata[GSS_KRB5_MAX_CKSUM_LEN]; + int err = -1; + u8 *checksumdata; unsigned int checksumlen; if (kctx->gk5e->keyed_cksum == 0) { @@ -383,16 +388,18 @@ make_checksum_v2(struct krb5_ctx *kctx, char *header, int hdrlen, return GSS_S_FAILURE; } + checksumdata = kmalloc(GSS_KRB5_MAX_CKSUM_LEN, GFP_NOFS); + if (!checksumdata) + return GSS_S_FAILURE; + tfm = crypto_alloc_ahash(kctx->gk5e->cksum_name, 0, CRYPTO_ALG_ASYNC); if (IS_ERR(tfm)) - return GSS_S_FAILURE; + goto out_free_cksum; checksumlen = crypto_ahash_digestsize(tfm); req = ahash_request_alloc(tfm, GFP_KERNEL); - if (!req) { - crypto_free_ahash(tfm); - return GSS_S_FAILURE; - } + if (!req) + goto out_free_ahash; ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL); @@ -433,7 +440,10 @@ make_checksum_v2(struct krb5_ctx *kctx, char *header, int hdrlen, } out: ahash_request_free(req); +out_free_ahash: crypto_free_ahash(tfm); +out_free_cksum: + kfree(checksumdata); return err ? GSS_S_FAILURE : 0; } @@ -666,14 +676,17 @@ gss_krb5_cts_crypt(struct crypto_skcipher *cipher, struct xdr_buf *buf, u32 ret; struct scatterlist sg[1]; SKCIPHER_REQUEST_ON_STACK(req, cipher); - u8 data[GSS_KRB5_MAX_BLOCKSIZE * 2]; + u8 *data; struct page **save_pages; u32 len = buf->len - offset; - if (len > ARRAY_SIZE(data)) { + if (len > GSS_KRB5_MAX_BLOCKSIZE * 2) { WARN_ON(0); return -ENOMEM; } + data = kmalloc(GSS_KRB5_MAX_BLOCKSIZE * 2, GFP_NOFS); + if (!data) + return -ENOMEM; /* * For encryption, we want to read from the cleartext @@ -708,6 +721,7 @@ gss_krb5_cts_crypt(struct crypto_skcipher *cipher, struct xdr_buf *buf, ret = write_bytes_to_xdr_buf(buf, offset, data, len); out: + kfree(data); return ret; } diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index d67f7e1..45662d7 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -718,30 +718,37 @@ gss_write_null_verf(struct svc_rqst *rqstp) static int gss_write_verf(struct svc_rqst *rqstp, struct gss_ctx *ctx_id, u32 seq) { - __be32 xdr_seq; + __be32 *xdr_seq; u32 maj_stat; struct xdr_buf verf_data; struct xdr_netobj mic; __be32 *p; struct kvec iov; + int err = -1; svc_putnl(rqstp->rq_res.head, RPC_AUTH_GSS); - xdr_seq = htonl(seq); + xdr_seq = kmalloc(4, GFP_KERNEL); + if (!xdr_seq) + return -1; + *xdr_seq = htonl(seq); - iov.iov_base = &xdr_seq; - iov.iov_len = sizeof(xdr_seq); + iov.iov_base = xdr_seq; + iov.iov_len = 4; xdr_buf_from_iov(&iov, &verf_data); p = rqstp->rq_res.head->iov_base + rqstp->rq_res.head->iov_len; mic.data = (u8 *)(p + 1); maj_stat = gss_get_mic(ctx_id, &verf_data, &mic); if (maj_stat != GSS_S_COMPLETE) - return -1; + goto out; *p++ = htonl(mic.len); memset((u8 *)p + mic.len, 0, round_up_to_quad(mic.len) - mic.len); p += XDR_QUADLEN(mic.len); if (!xdr_ressize_check(rqstp, p)) - return -1; - return 0; + goto out; + err = 0; +out: + kfree(xdr_seq); + return err; } struct gss_domain { diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index 34dd7b2..62a4827 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -2753,14 +2753,18 @@ EXPORT_SYMBOL_GPL(rpc_cap_max_reconnect_timeout); void rpc_clnt_xprt_switch_put(struct rpc_clnt *clnt) { + rcu_read_lock(); xprt_switch_put(rcu_dereference(clnt->cl_xpi.xpi_xpswitch)); + rcu_read_unlock(); } EXPORT_SYMBOL_GPL(rpc_clnt_xprt_switch_put); void rpc_clnt_xprt_switch_add_xprt(struct rpc_clnt *clnt, struct rpc_xprt *xprt) { + rcu_read_lock(); rpc_xprt_switch_add_xprt(rcu_dereference(clnt->cl_xpi.xpi_xpswitch), xprt); + rcu_read_unlock(); } EXPORT_SYMBOL_GPL(rpc_clnt_xprt_switch_add_xprt); @@ -2770,9 +2774,8 @@ bool rpc_clnt_xprt_switch_has_addr(struct rpc_clnt *clnt, struct rpc_xprt_switch *xps; bool ret; - xps = rcu_dereference(clnt->cl_xpi.xpi_xpswitch); - rcu_read_lock(); + xps = rcu_dereference(clnt->cl_xpi.xpi_xpswitch); ret = rpc_xprt_switch_has_addr(xps, sap); rcu_read_unlock(); return ret; diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c index 2109495..26b26be 100644 --- a/net/sunrpc/xprtrdma/frwr_ops.c +++ b/net/sunrpc/xprtrdma/frwr_ops.c @@ -44,18 +44,20 @@ * being done. * * When the underlying transport disconnects, MRs are left in one of - * three states: + * four states: * * INVALID: The MR was not in use before the QP entered ERROR state. - * (Or, the LOCAL_INV WR has not completed or flushed yet). - * - * STALE: The MR was being registered or unregistered when the QP - * entered ERROR state, and the pending WR was flushed. * * VALID: The MR was registered before the QP entered ERROR state. * - * When frwr_op_map encounters STALE and VALID MRs, they are recovered - * with ib_dereg_mr and then are re-initialized. Beause MR recovery + * FLUSHED_FR: The MR was being registered when the QP entered ERROR + * state, and the pending WR was flushed. + * + * FLUSHED_LI: The MR was being invalidated when the QP entered ERROR + * state, and the pending WR was flushed. + * + * When frwr_op_map encounters FLUSHED and VALID MRs, they are recovered + * with ib_dereg_mr and then are re-initialized. Because MR recovery * allocates fresh resources, it is deferred to a workqueue, and the * recovered MRs are placed back on the rb_mws list when recovery is * complete. frwr_op_map allocates another MR for the current RPC while @@ -177,12 +179,15 @@ __frwr_reset_mr(struct rpcrdma_ia *ia, struct rpcrdma_mw *r) static void frwr_op_recover_mr(struct rpcrdma_mw *mw) { + enum rpcrdma_frmr_state state = mw->frmr.fr_state; struct rpcrdma_xprt *r_xprt = mw->mw_xprt; struct rpcrdma_ia *ia = &r_xprt->rx_ia; int rc; rc = __frwr_reset_mr(ia, mw); - ib_dma_unmap_sg(ia->ri_device, mw->mw_sg, mw->mw_nents, mw->mw_dir); + if (state != FRMR_FLUSHED_LI) + ib_dma_unmap_sg(ia->ri_device, + mw->mw_sg, mw->mw_nents, mw->mw_dir); if (rc) goto out_release; @@ -262,10 +267,8 @@ frwr_op_maxpages(struct rpcrdma_xprt *r_xprt) } static void -__frwr_sendcompletion_flush(struct ib_wc *wc, struct rpcrdma_frmr *frmr, - const char *wr) +__frwr_sendcompletion_flush(struct ib_wc *wc, const char *wr) { - frmr->fr_state = FRMR_IS_STALE; if (wc->status != IB_WC_WR_FLUSH_ERR) pr_err("rpcrdma: %s: %s (%u/0x%x)\n", wr, ib_wc_status_msg(wc->status), @@ -288,7 +291,8 @@ frwr_wc_fastreg(struct ib_cq *cq, struct ib_wc *wc) if (wc->status != IB_WC_SUCCESS) { cqe = wc->wr_cqe; frmr = container_of(cqe, struct rpcrdma_frmr, fr_cqe); - __frwr_sendcompletion_flush(wc, frmr, "fastreg"); + frmr->fr_state = FRMR_FLUSHED_FR; + __frwr_sendcompletion_flush(wc, "fastreg"); } } @@ -308,7 +312,8 @@ frwr_wc_localinv(struct ib_cq *cq, struct ib_wc *wc) if (wc->status != IB_WC_SUCCESS) { cqe = wc->wr_cqe; frmr = container_of(cqe, struct rpcrdma_frmr, fr_cqe); - __frwr_sendcompletion_flush(wc, frmr, "localinv"); + frmr->fr_state = FRMR_FLUSHED_LI; + __frwr_sendcompletion_flush(wc, "localinv"); } } @@ -328,8 +333,10 @@ frwr_wc_localinv_wake(struct ib_cq *cq, struct ib_wc *wc) /* WARNING: Only wr_cqe and status are reliable at this point */ cqe = wc->wr_cqe; frmr = container_of(cqe, struct rpcrdma_frmr, fr_cqe); - if (wc->status != IB_WC_SUCCESS) - __frwr_sendcompletion_flush(wc, frmr, "localinv"); + if (wc->status != IB_WC_SUCCESS) { + frmr->fr_state = FRMR_FLUSHED_LI; + __frwr_sendcompletion_flush(wc, "localinv"); + } complete(&frmr->fr_linv_done); } diff --git a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c index 2d8545c..20027f8 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c +++ b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c @@ -177,18 +177,26 @@ xprt_rdma_bc_allocate(struct rpc_task *task) return -EINVAL; } + /* svc_rdma_sendto releases this page */ page = alloc_page(RPCRDMA_DEF_GFP); if (!page) return -ENOMEM; - rqst->rq_buffer = page_address(page); + + rqst->rq_rbuffer = kmalloc(rqst->rq_rcvsize, RPCRDMA_DEF_GFP); + if (!rqst->rq_rbuffer) { + put_page(page); + return -ENOMEM; + } return 0; } static void xprt_rdma_bc_free(struct rpc_task *task) { - /* No-op: ctxt and page have already been freed. */ + struct rpc_rqst *rqst = task->tk_rqstp; + + kfree(rqst->rq_rbuffer); } static int diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 0d35b76..6e1bba3 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -216,7 +216,8 @@ struct rpcrdma_rep { enum rpcrdma_frmr_state { FRMR_IS_INVALID, /* ready to be used */ FRMR_IS_VALID, /* in use */ - FRMR_IS_STALE, /* failed completion */ + FRMR_FLUSHED_FR, /* flushed FASTREG WR */ + FRMR_FLUSHED_LI, /* flushed LOCALINV WR */ }; struct rpcrdma_frmr { diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 7178d0a..af392d9 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2563,6 +2563,7 @@ static int bc_malloc(struct rpc_task *task) buf->len = PAGE_SIZE; rqst->rq_buffer = buf->data; + rqst->rq_rbuffer = (char *)rqst->rq_buffer + rqst->rq_callsize; return 0; } diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 8762018..6a705d0 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -2812,7 +2812,8 @@ static int unix_seq_show(struct seq_file *seq, void *v) i++; } for ( ; i < len; i++) - seq_putc(seq, u->addr->name->sun_path[i]); + seq_putc(seq, u->addr->name->sun_path[i] ?: + '@'); } unix_state_unlock(s); seq_putc(seq, '\n'); diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 5c53fdb..ac87f9c 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -26,6 +26,7 @@ hostprogs-y += xdp2 hostprogs-y += test_current_task_under_cgroup hostprogs-y += trace_event hostprogs-y += sampleip +hostprogs-y += tc_l2_redirect sock_example-objs := sock_example.o libbpf.o fds_example-objs := bpf_load.o libbpf.o fds_example.o @@ -53,6 +54,7 @@ test_current_task_under_cgroup-objs := bpf_load.o libbpf.o \ test_current_task_under_cgroup_user.o trace_event-objs := bpf_load.o libbpf.o trace_event_user.o sampleip-objs := bpf_load.o libbpf.o sampleip_user.o +tc_l2_redirect-objs := bpf_load.o libbpf.o tc_l2_redirect_user.o # Tell kbuild to always build the programs always := $(hostprogs-y) @@ -69,6 +71,7 @@ always += test_probe_write_user_kern.o always += trace_output_kern.o always += tcbpf1_kern.o always += tcbpf2_kern.o +always += tc_l2_redirect_kern.o always += lathist_kern.o always += offwaketime_kern.o always += spintest_kern.o @@ -108,6 +111,7 @@ HOSTLOADLIBES_xdp2 += -lelf HOSTLOADLIBES_test_current_task_under_cgroup += -lelf HOSTLOADLIBES_trace_event += -lelf HOSTLOADLIBES_sampleip += -lelf +HOSTLOADLIBES_tc_l2_redirect += -l elf # Allows pointing LLC/CLANG to a LLVM backend with bpf support, redefine on cmdline: # make samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang diff --git a/samples/bpf/tc_l2_redirect.sh b/samples/bpf/tc_l2_redirect.sh new file mode 100755 index 0000000..80a05591 --- /dev/null +++ b/samples/bpf/tc_l2_redirect.sh @@ -0,0 +1,173 @@ +#!/bin/bash + +[[ -z $TC ]] && TC='tc' +[[ -z $IP ]] && IP='ip' + +REDIRECT_USER='./tc_l2_redirect' +REDIRECT_BPF='./tc_l2_redirect_kern.o' + +RP_FILTER=$(< /proc/sys/net/ipv4/conf/all/rp_filter) +IPV6_FORWARDING=$(< /proc/sys/net/ipv6/conf/all/forwarding) + +function config_common { + local tun_type=$1 + + $IP netns add ns1 + $IP netns add ns2 + $IP link add ve1 type veth peer name vens1 + $IP link add ve2 type veth peer name vens2 + $IP link set dev ve1 up + $IP link set dev ve2 up + $IP link set dev ve1 mtu 1500 + $IP link set dev ve2 mtu 1500 + $IP link set dev vens1 netns ns1 + $IP link set dev vens2 netns ns2 + + $IP -n ns1 link set dev lo up + $IP -n ns1 link set dev vens1 up + $IP -n ns1 addr add 10.1.1.101/24 dev vens1 + $IP -n ns1 addr add 2401:db01::65/64 dev vens1 nodad + $IP -n ns1 route add default via 10.1.1.1 dev vens1 + $IP -n ns1 route add default via 2401:db01::1 dev vens1 + + $IP -n ns2 link set dev lo up + $IP -n ns2 link set dev vens2 up + $IP -n ns2 addr add 10.2.1.102/24 dev vens2 + $IP -n ns2 addr add 2401:db02::66/64 dev vens2 nodad + $IP -n ns2 addr add 10.10.1.102 dev lo + $IP -n ns2 addr add 2401:face::66/64 dev lo nodad + $IP -n ns2 link add ipt2 type ipip local 10.2.1.102 remote 10.2.1.1 + $IP -n ns2 link add ip6t2 type ip6tnl mode any local 2401:db02::66 remote 2401:db02::1 + $IP -n ns2 link set dev ipt2 up + $IP -n ns2 link set dev ip6t2 up + $IP netns exec ns2 $TC qdisc add dev vens2 clsact + $IP netns exec ns2 $TC filter add dev vens2 ingress bpf da obj $REDIRECT_BPF sec drop_non_tun_vip + if [[ $tun_type == "ipip" ]]; then + $IP -n ns2 route add 10.1.1.0/24 dev ipt2 + $IP netns exec ns2 sysctl -q -w net.ipv4.conf.all.rp_filter=0 + $IP netns exec ns2 sysctl -q -w net.ipv4.conf.ipt2.rp_filter=0 + else + $IP -n ns2 route add 10.1.1.0/24 dev ip6t2 + $IP -n ns2 route add 2401:db01::/64 dev ip6t2 + $IP netns exec ns2 sysctl -q -w net.ipv4.conf.all.rp_filter=0 + $IP netns exec ns2 sysctl -q -w net.ipv4.conf.ip6t2.rp_filter=0 + fi + + $IP addr add 10.1.1.1/24 dev ve1 + $IP addr add 2401:db01::1/64 dev ve1 nodad + $IP addr add 10.2.1.1/24 dev ve2 + $IP addr add 2401:db02::1/64 dev ve2 nodad + + $TC qdisc add dev ve2 clsact + $TC filter add dev ve2 ingress bpf da obj $REDIRECT_BPF sec l2_to_iptun_ingress_forward + + sysctl -q -w net.ipv4.conf.all.rp_filter=0 + sysctl -q -w net.ipv6.conf.all.forwarding=1 +} + +function cleanup { + set +e + [[ -z $DEBUG ]] || set +x + $IP netns delete ns1 >& /dev/null + $IP netns delete ns2 >& /dev/null + $IP link del ve1 >& /dev/null + $IP link del ve2 >& /dev/null + $IP link del ipt >& /dev/null + $IP link del ip6t >& /dev/null + sysctl -q -w net.ipv4.conf.all.rp_filter=$RP_FILTER + sysctl -q -w net.ipv6.conf.all.forwarding=$IPV6_FORWARDING + rm -f /sys/fs/bpf/tc/globals/tun_iface + [[ -z $DEBUG ]] || set -x + set -e +} + +function l2_to_ipip { + echo -n "l2_to_ipip $1: " + + local dir=$1 + + config_common ipip + + $IP link add ipt type ipip external + $IP link set dev ipt up + sysctl -q -w net.ipv4.conf.ipt.rp_filter=0 + sysctl -q -w net.ipv4.conf.ipt.forwarding=1 + + if [[ $dir == "egress" ]]; then + $IP route add 10.10.1.0/24 via 10.2.1.102 dev ve2 + $TC filter add dev ve2 egress bpf da obj $REDIRECT_BPF sec l2_to_iptun_ingress_redirect + sysctl -q -w net.ipv4.conf.ve1.forwarding=1 + else + $TC qdisc add dev ve1 clsact + $TC filter add dev ve1 ingress bpf da obj $REDIRECT_BPF sec l2_to_iptun_ingress_redirect + fi + + $REDIRECT_USER -U /sys/fs/bpf/tc/globals/tun_iface -i $(< /sys/class/net/ipt/ifindex) + + $IP netns exec ns1 ping -c1 10.10.1.102 >& /dev/null + + if [[ $dir == "egress" ]]; then + # test direct egress to ve2 (i.e. not forwarding from + # ve1 to ve2). + ping -c1 10.10.1.102 >& /dev/null + fi + + cleanup + + echo "OK" +} + +function l2_to_ip6tnl { + echo -n "l2_to_ip6tnl $1: " + + local dir=$1 + + config_common ip6tnl + + $IP link add ip6t type ip6tnl mode any external + $IP link set dev ip6t up + sysctl -q -w net.ipv4.conf.ip6t.rp_filter=0 + sysctl -q -w net.ipv4.conf.ip6t.forwarding=1 + + if [[ $dir == "egress" ]]; then + $IP route add 10.10.1.0/24 via 10.2.1.102 dev ve2 + $IP route add 2401:face::/64 via 2401:db02::66 dev ve2 + $TC filter add dev ve2 egress bpf da obj $REDIRECT_BPF sec l2_to_ip6tun_ingress_redirect + sysctl -q -w net.ipv4.conf.ve1.forwarding=1 + else + $TC qdisc add dev ve1 clsact + $TC filter add dev ve1 ingress bpf da obj $REDIRECT_BPF sec l2_to_ip6tun_ingress_redirect + fi + + $REDIRECT_USER -U /sys/fs/bpf/tc/globals/tun_iface -i $(< /sys/class/net/ip6t/ifindex) + + $IP netns exec ns1 ping -c1 10.10.1.102 >& /dev/null + $IP netns exec ns1 ping -6 -c1 2401:face::66 >& /dev/null + + if [[ $dir == "egress" ]]; then + # test direct egress to ve2 (i.e. not forwarding from + # ve1 to ve2). + ping -c1 10.10.1.102 >& /dev/null + ping -6 -c1 2401:face::66 >& /dev/null + fi + + cleanup + + echo "OK" +} + +cleanup +test_names="l2_to_ipip l2_to_ip6tnl" +test_dirs="ingress egress" +if [[ $# -ge 2 ]]; then + test_names=$1 + test_dirs=$2 +elif [[ $# -ge 1 ]]; then + test_names=$1 +fi + +for t in $test_names; do + for d in $test_dirs; do + $t $d + done +done diff --git a/samples/bpf/tc_l2_redirect_kern.c b/samples/bpf/tc_l2_redirect_kern.c new file mode 100644 index 0000000..92a4472 --- /dev/null +++ b/samples/bpf/tc_l2_redirect_kern.c @@ -0,0 +1,236 @@ +/* Copyright (c) 2016 Facebook + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + */ +#include <uapi/linux/bpf.h> +#include <uapi/linux/if_ether.h> +#include <uapi/linux/if_packet.h> +#include <uapi/linux/ip.h> +#include <uapi/linux/ipv6.h> +#include <uapi/linux/in.h> +#include <uapi/linux/tcp.h> +#include <uapi/linux/filter.h> +#include <uapi/linux/pkt_cls.h> +#include <net/ipv6.h> +#include "bpf_helpers.h" + +#define _htonl __builtin_bswap32 + +#define PIN_GLOBAL_NS 2 +struct bpf_elf_map { + __u32 type; + __u32 size_key; + __u32 size_value; + __u32 max_elem; + __u32 flags; + __u32 id; + __u32 pinning; +}; + +/* copy of 'struct ethhdr' without __packed */ +struct eth_hdr { + unsigned char h_dest[ETH_ALEN]; + unsigned char h_source[ETH_ALEN]; + unsigned short h_proto; +}; + +struct bpf_elf_map SEC("maps") tun_iface = { + .type = BPF_MAP_TYPE_ARRAY, + .size_key = sizeof(int), + .size_value = sizeof(int), + .pinning = PIN_GLOBAL_NS, + .max_elem = 1, +}; + +static __always_inline bool is_vip_addr(__be16 eth_proto, __be32 daddr) +{ + if (eth_proto == htons(ETH_P_IP)) + return (_htonl(0xffffff00) & daddr) == _htonl(0x0a0a0100); + else if (eth_proto == htons(ETH_P_IPV6)) + return (daddr == _htonl(0x2401face)); + + return false; +} + +SEC("l2_to_iptun_ingress_forward") +int _l2_to_iptun_ingress_forward(struct __sk_buff *skb) +{ + struct bpf_tunnel_key tkey = {}; + void *data = (void *)(long)skb->data; + struct eth_hdr *eth = data; + void *data_end = (void *)(long)skb->data_end; + int key = 0, *ifindex; + + int ret; + + if (data + sizeof(*eth) > data_end) + return TC_ACT_OK; + + ifindex = bpf_map_lookup_elem(&tun_iface, &key); + if (!ifindex) + return TC_ACT_OK; + + if (eth->h_proto == htons(ETH_P_IP)) { + char fmt4[] = "ingress forward to ifindex:%d daddr4:%x\n"; + struct iphdr *iph = data + sizeof(*eth); + + if (data + sizeof(*eth) + sizeof(*iph) > data_end) + return TC_ACT_OK; + + if (iph->protocol != IPPROTO_IPIP) + return TC_ACT_OK; + + bpf_trace_printk(fmt4, sizeof(fmt4), *ifindex, + _htonl(iph->daddr)); + return bpf_redirect(*ifindex, BPF_F_INGRESS); + } else if (eth->h_proto == htons(ETH_P_IPV6)) { + char fmt6[] = "ingress forward to ifindex:%d daddr6:%x::%x\n"; + struct ipv6hdr *ip6h = data + sizeof(*eth); + + if (data + sizeof(*eth) + sizeof(*ip6h) > data_end) + return TC_ACT_OK; + + if (ip6h->nexthdr != IPPROTO_IPIP && + ip6h->nexthdr != IPPROTO_IPV6) + return TC_ACT_OK; + + bpf_trace_printk(fmt6, sizeof(fmt6), *ifindex, + _htonl(ip6h->daddr.s6_addr32[0]), + _htonl(ip6h->daddr.s6_addr32[3])); + return bpf_redirect(*ifindex, BPF_F_INGRESS); + } + + return TC_ACT_OK; +} + +SEC("l2_to_iptun_ingress_redirect") +int _l2_to_iptun_ingress_redirect(struct __sk_buff *skb) +{ + struct bpf_tunnel_key tkey = {}; + void *data = (void *)(long)skb->data; + struct eth_hdr *eth = data; + void *data_end = (void *)(long)skb->data_end; + int key = 0, *ifindex; + + int ret; + + if (data + sizeof(*eth) > data_end) + return TC_ACT_OK; + + ifindex = bpf_map_lookup_elem(&tun_iface, &key); + if (!ifindex) + return TC_ACT_OK; + + if (eth->h_proto == htons(ETH_P_IP)) { + char fmt4[] = "e/ingress redirect daddr4:%x to ifindex:%d\n"; + struct iphdr *iph = data + sizeof(*eth); + __be32 daddr = iph->daddr; + + if (data + sizeof(*eth) + sizeof(*iph) > data_end) + return TC_ACT_OK; + + if (!is_vip_addr(eth->h_proto, daddr)) + return TC_ACT_OK; + + bpf_trace_printk(fmt4, sizeof(fmt4), _htonl(daddr), *ifindex); + } else { + return TC_ACT_OK; + } + + tkey.tunnel_id = 10000; + tkey.tunnel_ttl = 64; + tkey.remote_ipv4 = 0x0a020166; /* 10.2.1.102 */ + bpf_skb_set_tunnel_key(skb, &tkey, sizeof(tkey), 0); + return bpf_redirect(*ifindex, 0); +} + +SEC("l2_to_ip6tun_ingress_redirect") +int _l2_to_ip6tun_ingress_redirect(struct __sk_buff *skb) +{ + struct bpf_tunnel_key tkey = {}; + void *data = (void *)(long)skb->data; + struct eth_hdr *eth = data; + void *data_end = (void *)(long)skb->data_end; + int key = 0, *ifindex; + + if (data + sizeof(*eth) > data_end) + return TC_ACT_OK; + + ifindex = bpf_map_lookup_elem(&tun_iface, &key); + if (!ifindex) + return TC_ACT_OK; + + if (eth->h_proto == htons(ETH_P_IP)) { + char fmt4[] = "e/ingress redirect daddr4:%x to ifindex:%d\n"; + struct iphdr *iph = data + sizeof(*eth); + + if (data + sizeof(*eth) + sizeof(*iph) > data_end) + return TC_ACT_OK; + + if (!is_vip_addr(eth->h_proto, iph->daddr)) + return TC_ACT_OK; + + bpf_trace_printk(fmt4, sizeof(fmt4), _htonl(iph->daddr), + *ifindex); + } else if (eth->h_proto == htons(ETH_P_IPV6)) { + char fmt6[] = "e/ingress redirect daddr6:%x to ifindex:%d\n"; + struct ipv6hdr *ip6h = data + sizeof(*eth); + + if (data + sizeof(*eth) + sizeof(*ip6h) > data_end) + return TC_ACT_OK; + + if (!is_vip_addr(eth->h_proto, ip6h->daddr.s6_addr32[0])) + return TC_ACT_OK; + + bpf_trace_printk(fmt6, sizeof(fmt6), + _htonl(ip6h->daddr.s6_addr32[0]), *ifindex); + } else { + return TC_ACT_OK; + } + + tkey.tunnel_id = 10000; + tkey.tunnel_ttl = 64; + /* 2401:db02:0:0:0:0:0:66 */ + tkey.remote_ipv6[0] = _htonl(0x2401db02); + tkey.remote_ipv6[1] = 0; + tkey.remote_ipv6[2] = 0; + tkey.remote_ipv6[3] = _htonl(0x00000066); + bpf_skb_set_tunnel_key(skb, &tkey, sizeof(tkey), BPF_F_TUNINFO_IPV6); + return bpf_redirect(*ifindex, 0); +} + +SEC("drop_non_tun_vip") +int _drop_non_tun_vip(struct __sk_buff *skb) +{ + struct bpf_tunnel_key tkey = {}; + void *data = (void *)(long)skb->data; + struct eth_hdr *eth = data; + void *data_end = (void *)(long)skb->data_end; + + if (data + sizeof(*eth) > data_end) + return TC_ACT_OK; + + if (eth->h_proto == htons(ETH_P_IP)) { + struct iphdr *iph = data + sizeof(*eth); + + if (data + sizeof(*eth) + sizeof(*iph) > data_end) + return TC_ACT_OK; + + if (is_vip_addr(eth->h_proto, iph->daddr)) + return TC_ACT_SHOT; + } else if (eth->h_proto == htons(ETH_P_IPV6)) { + struct ipv6hdr *ip6h = data + sizeof(*eth); + + if (data + sizeof(*eth) + sizeof(*ip6h) > data_end) + return TC_ACT_OK; + + if (is_vip_addr(eth->h_proto, ip6h->daddr.s6_addr32[0])) + return TC_ACT_SHOT; + } + + return TC_ACT_OK; +} + +char _license[] SEC("license") = "GPL"; diff --git a/samples/bpf/tc_l2_redirect_user.c b/samples/bpf/tc_l2_redirect_user.c new file mode 100644 index 0000000..4013c53 --- /dev/null +++ b/samples/bpf/tc_l2_redirect_user.c @@ -0,0 +1,73 @@ +/* Copyright (c) 2016 Facebook + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + */ +#include <linux/unistd.h> +#include <linux/bpf.h> + +#include <stdlib.h> +#include <stdio.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> + +#include "libbpf.h" + +static void usage(void) +{ + printf("Usage: tc_l2_ipip_redirect [...]\n"); + printf(" -U <file> Update an already pinned BPF array\n"); + printf(" -i <ifindex> Interface index\n"); + printf(" -h Display this help\n"); +} + +int main(int argc, char **argv) +{ + const char *pinned_file = NULL; + int ifindex = -1; + int array_key = 0; + int array_fd = -1; + int ret = -1; + int opt; + + while ((opt = getopt(argc, argv, "F:U:i:")) != -1) { + switch (opt) { + /* General args */ + case 'U': + pinned_file = optarg; + break; + case 'i': + ifindex = atoi(optarg); + break; + default: + usage(); + goto out; + } + } + + if (ifindex < 0 || !pinned_file) { + usage(); + goto out; + } + + array_fd = bpf_obj_get(pinned_file); + if (array_fd < 0) { + fprintf(stderr, "bpf_obj_get(%s): %s(%d)\n", + pinned_file, strerror(errno), errno); + goto out; + } + + /* bpf_tunnel_key.remote_ipv4 expects host byte orders */ + ret = bpf_update_elem(array_fd, &array_key, &ifindex, 0); + if (ret) { + perror("bpf_update_elem"); + goto out; + } + +out: + if (array_fd != -1) + close(array_fd); + return ret; +} diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn index 53449a6..7c321a6 100644 --- a/scripts/Makefile.extrawarn +++ b/scripts/Makefile.extrawarn @@ -36,6 +36,7 @@ warning-2 += -Wshadow warning-2 += $(call cc-option, -Wlogical-op) warning-2 += $(call cc-option, -Wmissing-field-initializers) warning-2 += $(call cc-option, -Wsign-compare) +warning-2 += $(call cc-option, -Wmaybe-uninitialized) warning-3 := -Wbad-function-cast warning-3 += -Wcast-qual diff --git a/scripts/Makefile.ubsan b/scripts/Makefile.ubsan index dd779c4..3b1b138 100644 --- a/scripts/Makefile.ubsan +++ b/scripts/Makefile.ubsan @@ -17,4 +17,8 @@ endif ifdef CONFIG_UBSAN_NULL CFLAGS_UBSAN += $(call cc-option, -fsanitize=null) endif + + # -fsanitize=* options makes GCC less smart than usual and + # increase number of 'maybe-uninitialized false-positives + CFLAGS_UBSAN += $(call cc-option, -Wno-maybe-uninitialized) endif diff --git a/scripts/bloat-o-meter b/scripts/bloat-o-meter index 19f5adf..d9ff038 100755 --- a/scripts/bloat-o-meter +++ b/scripts/bloat-o-meter @@ -8,6 +8,9 @@ # of the GNU General Public License, incorporated herein by reference. import sys, os, re +from signal import signal, SIGPIPE, SIG_DFL + +signal(SIGPIPE, SIG_DFL) if len(sys.argv) != 3: sys.stderr.write("usage: %s file1 file2\n" % sys.argv[0]) diff --git a/scripts/gcc-plugins/cyc_complexity_plugin.c b/scripts/gcc-plugins/cyc_complexity_plugin.c index 34df974..8af7db0 100644 --- a/scripts/gcc-plugins/cyc_complexity_plugin.c +++ b/scripts/gcc-plugins/cyc_complexity_plugin.c @@ -20,7 +20,7 @@ #include "gcc-common.h" -int plugin_is_GPL_compatible; +__visible int plugin_is_GPL_compatible; static struct plugin_info cyc_complexity_plugin_info = { .version = "20160225", @@ -49,7 +49,7 @@ static unsigned int cyc_complexity_execute(void) #include "gcc-generate-gimple-pass.h" -int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) +__visible int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) { const char * const plugin_name = plugin_info->base_name; struct register_pass_info cyc_complexity_pass_info; diff --git a/scripts/gcc-plugins/gcc-common.h b/scripts/gcc-plugins/gcc-common.h index 172850b..950fd2e 100644 --- a/scripts/gcc-plugins/gcc-common.h +++ b/scripts/gcc-plugins/gcc-common.h @@ -130,6 +130,7 @@ extern void dump_gimple_stmt(pretty_printer *, gimple, int, int); #endif #define __unused __attribute__((__unused__)) +#define __visible __attribute__((visibility("default"))) #define DECL_NAME_POINTER(node) IDENTIFIER_POINTER(DECL_NAME(node)) #define DECL_NAME_LENGTH(node) IDENTIFIER_LENGTH(DECL_NAME(node)) diff --git a/scripts/gcc-plugins/latent_entropy_plugin.c b/scripts/gcc-plugins/latent_entropy_plugin.c index ff1939b..8160f1c 100644 --- a/scripts/gcc-plugins/latent_entropy_plugin.c +++ b/scripts/gcc-plugins/latent_entropy_plugin.c @@ -77,7 +77,7 @@ #include "gcc-common.h" -int plugin_is_GPL_compatible; +__visible int plugin_is_GPL_compatible; static GTY(()) tree latent_entropy_decl; @@ -340,7 +340,7 @@ static enum tree_code get_op(tree *rhs) break; } if (rhs) - *rhs = build_int_cstu(unsigned_intDI_type_node, random_const); + *rhs = build_int_cstu(long_unsigned_type_node, random_const); return op; } @@ -372,7 +372,7 @@ static void __perturb_latent_entropy(gimple_stmt_iterator *gsi, enum tree_code op; /* 1. create temporary copy of latent_entropy */ - temp = create_var(unsigned_intDI_type_node, "tmp_latent_entropy"); + temp = create_var(long_unsigned_type_node, "temp_latent_entropy"); /* 2. read... */ add_referenced_var(latent_entropy_decl); @@ -459,13 +459,13 @@ static void init_local_entropy(basic_block bb, tree local_entropy) gsi_insert_before(&gsi, call, GSI_NEW_STMT); update_stmt(call); - udi_frame_addr = fold_convert(unsigned_intDI_type_node, frame_addr); + udi_frame_addr = fold_convert(long_unsigned_type_node, frame_addr); assign = gimple_build_assign(local_entropy, udi_frame_addr); gsi_insert_after(&gsi, assign, GSI_NEW_STMT); update_stmt(assign); /* 3. create temporary copy of latent_entropy */ - tmp = create_var(unsigned_intDI_type_node, "tmp_latent_entropy"); + tmp = create_var(long_unsigned_type_node, "temp_latent_entropy"); /* 4. read the global entropy variable into local entropy */ add_referenced_var(latent_entropy_decl); @@ -480,7 +480,7 @@ static void init_local_entropy(basic_block bb, tree local_entropy) update_stmt(assign); rand_cst = get_random_const(); - rand_const = build_int_cstu(unsigned_intDI_type_node, rand_cst); + rand_const = build_int_cstu(long_unsigned_type_node, rand_cst); op = get_op(NULL); assign = create_assign(op, local_entropy, local_entropy, rand_const); gsi_insert_after(&gsi, assign, GSI_NEW_STMT); @@ -529,7 +529,7 @@ static unsigned int latent_entropy_execute(void) } /* 1. create the local entropy variable */ - local_entropy = create_var(unsigned_intDI_type_node, "local_entropy"); + local_entropy = create_var(long_unsigned_type_node, "local_entropy"); /* 2. initialize the local entropy variable */ init_local_entropy(bb, local_entropy); @@ -561,10 +561,9 @@ static void latent_entropy_start_unit(void *gcc_data __unused, if (in_lto_p) return; - /* extern volatile u64 latent_entropy */ - gcc_assert(TYPE_PRECISION(long_long_unsigned_type_node) == 64); - quals = TYPE_QUALS(long_long_unsigned_type_node) | TYPE_QUAL_VOLATILE; - type = build_qualified_type(long_long_unsigned_type_node, quals); + /* extern volatile unsigned long latent_entropy */ + quals = TYPE_QUALS(long_unsigned_type_node) | TYPE_QUAL_VOLATILE; + type = build_qualified_type(long_unsigned_type_node, quals); id = get_identifier("latent_entropy"); latent_entropy_decl = build_decl(UNKNOWN_LOCATION, VAR_DECL, id, type); @@ -584,8 +583,8 @@ static void latent_entropy_start_unit(void *gcc_data __unused, | TODO_update_ssa #include "gcc-generate-gimple-pass.h" -int plugin_init(struct plugin_name_args *plugin_info, - struct plugin_gcc_version *version) +__visible int plugin_init(struct plugin_name_args *plugin_info, + struct plugin_gcc_version *version) { bool enabled = true; const char * const plugin_name = plugin_info->base_name; diff --git a/scripts/gcc-plugins/sancov_plugin.c b/scripts/gcc-plugins/sancov_plugin.c index aedd611..7ea0b3f 100644 --- a/scripts/gcc-plugins/sancov_plugin.c +++ b/scripts/gcc-plugins/sancov_plugin.c @@ -21,7 +21,7 @@ #include "gcc-common.h" -int plugin_is_GPL_compatible; +__visible int plugin_is_GPL_compatible; tree sancov_fndecl; @@ -86,7 +86,7 @@ static void sancov_start_unit(void __unused *gcc_data, void __unused *user_data) #endif } -int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) +__visible int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) { int i; struct register_pass_info sancov_plugin_pass_info; diff --git a/sound/core/info.c b/sound/core/info.c index 895362a..8ab72e0 100644 --- a/sound/core/info.c +++ b/sound/core/info.c @@ -325,10 +325,15 @@ static ssize_t snd_info_text_entry_write(struct file *file, size_t next; int err = 0; + if (!entry->c.text.write) + return -EIO; pos = *offset; if (!valid_pos(pos, count)) return -EIO; next = pos + count; + /* don't handle too large text inputs */ + if (next > 16 * 1024) + return -EIO; mutex_lock(&entry->access); buf = data->wbuffer; if (!buf) { @@ -366,7 +371,9 @@ static int snd_info_seq_show(struct seq_file *seq, void *p) struct snd_info_private_data *data = seq->private; struct snd_info_entry *entry = data->entry; - if (entry->c.text.read) { + if (!entry->c.text.read) { + return -EIO; + } else { data->rbuffer->buffer = (char *)seq; /* XXX hack! */ entry->c.text.read(entry, data->rbuffer); } diff --git a/sound/soc/codecs/cs4270.c b/sound/soc/codecs/cs4270.c index 18baea2..84f8674 100644 --- a/sound/soc/codecs/cs4270.c +++ b/sound/soc/codecs/cs4270.c @@ -148,11 +148,11 @@ SND_SOC_DAPM_OUTPUT("AOUTR"), }; static const struct snd_soc_dapm_route cs4270_dapm_routes[] = { - { "Capture", NULL, "AINA" }, - { "Capture", NULL, "AINB" }, + { "Capture", NULL, "AINL" }, + { "Capture", NULL, "AINR" }, - { "AOUTA", NULL, "Playback" }, - { "AOUTB", NULL, "Playback" }, + { "AOUTL", NULL, "Playback" }, + { "AOUTR", NULL, "Playback" }, }; /** diff --git a/sound/soc/codecs/da7219.c b/sound/soc/codecs/da7219.c index 1152aa5..cf37936 100644 --- a/sound/soc/codecs/da7219.c +++ b/sound/soc/codecs/da7219.c @@ -880,7 +880,8 @@ static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = { SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), /* DAI */ - SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, DA7219_DAI_TDM_CTRL, + DA7219_DAI_OE_SHIFT, DA7219_NO_INVERT), SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0), /* Output Muxes */ diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c index b904492..90b5948 100644 --- a/sound/soc/codecs/hdmi-codec.c +++ b/sound/soc/codecs/hdmi-codec.c @@ -364,7 +364,12 @@ static int hdmi_of_xlate_dai_name(struct snd_soc_component *component, struct of_phandle_args *args, const char **dai_name) { - int id = args->args[0]; + int id; + + if (args->args_count) + id = args->args[0]; + else + id = 0; if (id < ARRAY_SIZE(hdmi_dai_name)) { *dai_name = hdmi_dai_name[id]; diff --git a/sound/soc/codecs/rt298.c b/sound/soc/codecs/rt298.c index 5555864..2db8179 100644 --- a/sound/soc/codecs/rt298.c +++ b/sound/soc/codecs/rt298.c @@ -249,6 +249,11 @@ static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic) snd_soc_dapm_force_enable_pin(dapm, "LDO1"); snd_soc_dapm_sync(dapm); + regmap_update_bits(rt298->regmap, + RT298_POWER_CTRL1, 0x1001, 0); + regmap_update_bits(rt298->regmap, + RT298_POWER_CTRL2, 0x4, 0x4); + regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24); msleep(50); diff --git a/sound/soc/codecs/rt5663.c b/sound/soc/codecs/rt5663.c index 01a18d8..00ff278 100644 --- a/sound/soc/codecs/rt5663.c +++ b/sound/soc/codecs/rt5663.c @@ -1547,11 +1547,11 @@ static int rt5663_jack_detect(struct snd_soc_codec *codec, int jack_insert) msleep(sleep_time[i]); val = snd_soc_read(codec, RT5663_EM_JACK_TYPE_2) & 0x0003; + dev_dbg(codec->dev, "%s: MX-00e7 val=%x sleep %d\n", + __func__, val, sleep_time[i]); i++; if (val == 0x1 || val == 0x2 || val == 0x3) break; - dev_dbg(codec->dev, "%s: MX-00e7 val=%x sleep %d\n", - __func__, val, sleep_time[i]); } dev_dbg(codec->dev, "%s val = %d\n", __func__, val); switch (val) { diff --git a/sound/soc/codecs/sti-sas.c b/sound/soc/codecs/sti-sas.c index 7b31ee9..d6e00c7 100644 --- a/sound/soc/codecs/sti-sas.c +++ b/sound/soc/codecs/sti-sas.c @@ -424,7 +424,7 @@ static const struct snd_soc_dai_ops stih407_dac_ops = { static const struct regmap_config stih407_sas_regmap = { .reg_bits = 32, .val_bits = 32, - + .fast_io = true, .max_register = STIH407_AUDIO_DAC_CTRL, .reg_defaults = stih407_sas_reg_defaults, .num_reg_defaults = ARRAY_SIZE(stih407_sas_reg_defaults), diff --git a/sound/soc/codecs/tas571x.c b/sound/soc/codecs/tas571x.c index df5e5cb..810369f 100644 --- a/sound/soc/codecs/tas571x.c +++ b/sound/soc/codecs/tas571x.c @@ -341,20 +341,9 @@ static int tas571x_set_bias_level(struct snd_soc_codec *codec, return ret; } } - - gpiod_set_value(priv->pdn_gpio, 0); - usleep_range(5000, 6000); - - regcache_cache_only(priv->regmap, false); - ret = regcache_sync(priv->regmap); - if (ret) - return ret; } break; case SND_SOC_BIAS_OFF: - regcache_cache_only(priv->regmap, true); - gpiod_set_value(priv->pdn_gpio, 1); - if (!IS_ERR(priv->mclk)) clk_disable_unprepare(priv->mclk); break; @@ -401,16 +390,6 @@ static const struct snd_kcontrol_new tas5711_controls[] = { TAS571X_SOFT_MUTE_REG, TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT, 1, 1), - - SOC_DOUBLE_R_RANGE("CH1 Mixer Volume", - TAS5717_CH1_LEFT_CH_MIX_REG, - TAS5717_CH1_RIGHT_CH_MIX_REG, - 16, 0, 0x80, 0), - - SOC_DOUBLE_R_RANGE("CH2 Mixer Volume", - TAS5717_CH2_LEFT_CH_MIX_REG, - TAS5717_CH2_RIGHT_CH_MIX_REG, - 16, 0, 0x80, 0), }; static const struct regmap_range tas571x_readonly_regs_range[] = { @@ -488,6 +467,16 @@ static const struct snd_kcontrol_new tas5717_controls[] = { TAS571X_SOFT_MUTE_CH1_SHIFT, TAS571X_SOFT_MUTE_CH2_SHIFT, 1, 1), + SOC_DOUBLE_R_RANGE("CH1 Mixer Volume", + TAS5717_CH1_LEFT_CH_MIX_REG, + TAS5717_CH1_RIGHT_CH_MIX_REG, + 16, 0, 0x80, 0), + + SOC_DOUBLE_R_RANGE("CH2 Mixer Volume", + TAS5717_CH2_LEFT_CH_MIX_REG, + TAS5717_CH2_RIGHT_CH_MIX_REG, + 16, 0, 0x80, 0), + /* * The biquads are named according to the register names. * Please note that TI's TAS57xx Graphical Development Environment @@ -747,13 +736,14 @@ static int tas571x_i2c_probe(struct i2c_client *client, /* pulse the active low reset line for ~100us */ usleep_range(100, 200); gpiod_set_value(priv->reset_gpio, 0); - usleep_range(12000, 20000); + usleep_range(13500, 20000); } ret = regmap_write(priv->regmap, TAS571X_OSC_TRIM_REG, 0); if (ret) return ret; + usleep_range(50000, 60000); memcpy(&priv->codec_driver, &tas571x_codec, sizeof(priv->codec_driver)); priv->codec_driver.component_driver.controls = priv->chip->controls; @@ -770,9 +760,6 @@ static int tas571x_i2c_probe(struct i2c_client *client, return ret; } - regcache_cache_only(priv->regmap, true); - gpiod_set_value(priv->pdn_gpio, 1); - return snd_soc_register_codec(&client->dev, &priv->codec_driver, &tas571x_dai, 1); } diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index 26eb5a0..fd5d1e0 100644 --- a/sound/soc/intel/Kconfig +++ b/sound/soc/intel/Kconfig @@ -47,6 +47,7 @@ config SND_SOC_INTEL_SST_MATCH config SND_SOC_INTEL_HASWELL tristate + select SND_SOC_INTEL_SST_FIRMWARE config SND_SOC_INTEL_BAYTRAIL tristate @@ -56,7 +57,6 @@ config SND_SOC_INTEL_HASWELL_MACH depends on X86_INTEL_LPSS && I2C && I2C_DESIGNWARE_PLATFORM depends on DW_DMAC_CORE select SND_SOC_INTEL_SST - select SND_SOC_INTEL_SST_FIRMWARE select SND_SOC_INTEL_HASWELL select SND_SOC_RT5640 help @@ -138,7 +138,6 @@ config SND_SOC_INTEL_BROADWELL_MACH I2C_DESIGNWARE_PLATFORM depends on DW_DMAC_CORE select SND_SOC_INTEL_SST - select SND_SOC_INTEL_SST_FIRMWARE select SND_SOC_INTEL_HASWELL select SND_SOC_RT286 help diff --git a/sound/soc/intel/atom/sst/sst_acpi.c b/sound/soc/intel/atom/sst/sst_acpi.c index ba5c0d7..0a88537 100644 --- a/sound/soc/intel/atom/sst/sst_acpi.c +++ b/sound/soc/intel/atom/sst/sst_acpi.c @@ -416,6 +416,7 @@ static const struct dmi_system_id cht_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "Surface 3"), }, }, + { } }; diff --git a/sound/soc/intel/boards/bxt_da7219_max98357a.c b/sound/soc/intel/boards/bxt_da7219_max98357a.c index 6532b8f..865a21e 100644 --- a/sound/soc/intel/boards/bxt_da7219_max98357a.c +++ b/sound/soc/intel/boards/bxt_da7219_max98357a.c @@ -130,8 +130,8 @@ static int broxton_da7219_codec_init(struct snd_soc_pcm_runtime *rtd) */ ret = snd_soc_card_jack_new(rtd->card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | - SND_JACK_BTN_2 | SND_JACK_BTN_3, &broxton_headset, - NULL, 0); + SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT, + &broxton_headset, NULL, 0); if (ret) { dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret); return ret; diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index 2989c16..06fa5e8 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -674,7 +674,7 @@ static int skl_probe(struct pci_dev *pci, if (skl->nhlt == NULL) { err = -ENODEV; - goto out_free; + goto out_display_power_off; } skl_nhlt_update_topology_bin(skl); @@ -746,6 +746,9 @@ out_mach_free: skl_machine_device_unregister(skl); out_nhlt_free: skl_nhlt_free(skl->nhlt); +out_display_power_off: + if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) + snd_hdac_display_power(bus, false); out_free: skl->init_failed = 1; skl_free(ebus); @@ -785,8 +788,7 @@ static void skl_remove(struct pci_dev *pci) release_firmware(skl->tplg); - if (pci_dev_run_wake(pci)) - pm_runtime_get_noresume(&pci->dev); + pm_runtime_get_noresume(&pci->dev); /* codec removal, invoke bus_device_remove */ snd_hdac_ext_bus_device_remove(ebus); diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig index f2bf866..823b5a2 100644 --- a/sound/soc/pxa/Kconfig +++ b/sound/soc/pxa/Kconfig @@ -208,7 +208,7 @@ config SND_PXA2XX_SOC_IMOTE2 config SND_MMP_SOC_BROWNSTONE tristate "SoC Audio support for Marvell Brownstone" - depends on SND_MMP_SOC && MACH_BROWNSTONE + depends on SND_MMP_SOC && MACH_BROWNSTONE && I2C select SND_MMP_SOC_SSPA select MFD_WM8994 select SND_SOC_WM8994 diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index 3cde9fb..eff3f9a 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -586,3 +586,6 @@ int asoc_qcom_lpass_cpu_platform_remove(struct platform_device *pdev) return 0; } EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_platform_remove); + +MODULE_DESCRIPTION("QTi LPASS CPU Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index e2ff538..b392e51 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -61,7 +61,41 @@ static int lpass_platform_pcmops_open(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; - int ret; + struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai; + struct lpass_data *drvdata = + snd_soc_platform_get_drvdata(soc_runtime->platform); + struct lpass_variant *v = drvdata->variant; + int ret, dma_ch, dir = substream->stream; + struct lpass_pcm_data *data; + + data = devm_kzalloc(soc_runtime->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->i2s_port = cpu_dai->driver->id; + runtime->private_data = data; + + dma_ch = 0; + if (v->alloc_dma_channel) + dma_ch = v->alloc_dma_channel(drvdata, dir); + if (dma_ch < 0) + return dma_ch; + + drvdata->substream[dma_ch] = substream; + + ret = regmap_write(drvdata->lpaif_map, + LPAIF_DMACTL_REG(v, dma_ch, dir), 0); + if (ret) { + dev_err(soc_runtime->dev, + "%s() error writing to rdmactl reg: %d\n", + __func__, ret); + return ret; + } + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + data->rdma_ch = dma_ch; + else + data->wrdma_ch = dma_ch; snd_soc_set_runtime_hwparams(substream, &lpass_platform_pcm_hardware); @@ -80,13 +114,40 @@ static int lpass_platform_pcmops_open(struct snd_pcm_substream *substream) return 0; } +static int lpass_platform_pcmops_close(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; + struct lpass_data *drvdata = + snd_soc_platform_get_drvdata(soc_runtime->platform); + struct lpass_variant *v = drvdata->variant; + struct lpass_pcm_data *data; + int dma_ch, dir = substream->stream; + + data = runtime->private_data; + v = drvdata->variant; + + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + dma_ch = data->rdma_ch; + else + dma_ch = data->wrdma_ch; + + drvdata->substream[dma_ch] = NULL; + + if (v->free_dma_channel) + v->free_dma_channel(drvdata, dma_ch); + + return 0; +} + static int lpass_platform_pcmops_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; struct lpass_data *drvdata = snd_soc_platform_get_drvdata(soc_runtime->platform); - struct lpass_pcm_data *pcm_data = drvdata->private_data; + struct snd_pcm_runtime *rt = substream->runtime; + struct lpass_pcm_data *pcm_data = rt->private_data; struct lpass_variant *v = drvdata->variant; snd_pcm_format_t format = params_format(params); unsigned int channels = params_channels(params); @@ -179,7 +240,8 @@ static int lpass_platform_pcmops_hw_free(struct snd_pcm_substream *substream) struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; struct lpass_data *drvdata = snd_soc_platform_get_drvdata(soc_runtime->platform); - struct lpass_pcm_data *pcm_data = drvdata->private_data; + struct snd_pcm_runtime *rt = substream->runtime; + struct lpass_pcm_data *pcm_data = rt->private_data; struct lpass_variant *v = drvdata->variant; unsigned int reg; int ret; @@ -203,7 +265,8 @@ static int lpass_platform_pcmops_prepare(struct snd_pcm_substream *substream) struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; struct lpass_data *drvdata = snd_soc_platform_get_drvdata(soc_runtime->platform); - struct lpass_pcm_data *pcm_data = drvdata->private_data; + struct snd_pcm_runtime *rt = substream->runtime; + struct lpass_pcm_data *pcm_data = rt->private_data; struct lpass_variant *v = drvdata->variant; int ret, ch, dir = substream->stream; @@ -257,7 +320,8 @@ static int lpass_platform_pcmops_trigger(struct snd_pcm_substream *substream, struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; struct lpass_data *drvdata = snd_soc_platform_get_drvdata(soc_runtime->platform); - struct lpass_pcm_data *pcm_data = drvdata->private_data; + struct snd_pcm_runtime *rt = substream->runtime; + struct lpass_pcm_data *pcm_data = rt->private_data; struct lpass_variant *v = drvdata->variant; int ret, ch, dir = substream->stream; @@ -333,7 +397,8 @@ static snd_pcm_uframes_t lpass_platform_pcmops_pointer( struct snd_soc_pcm_runtime *soc_runtime = substream->private_data; struct lpass_data *drvdata = snd_soc_platform_get_drvdata(soc_runtime->platform); - struct lpass_pcm_data *pcm_data = drvdata->private_data; + struct snd_pcm_runtime *rt = substream->runtime; + struct lpass_pcm_data *pcm_data = rt->private_data; struct lpass_variant *v = drvdata->variant; unsigned int base_addr, curr_addr; int ret, ch, dir = substream->stream; @@ -374,6 +439,7 @@ static int lpass_platform_pcmops_mmap(struct snd_pcm_substream *substream, static const struct snd_pcm_ops lpass_platform_pcm_ops = { .open = lpass_platform_pcmops_open, + .close = lpass_platform_pcmops_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = lpass_platform_pcmops_hw_params, .hw_free = lpass_platform_pcmops_hw_free, @@ -470,117 +536,45 @@ static int lpass_platform_pcm_new(struct snd_soc_pcm_runtime *soc_runtime) { struct snd_pcm *pcm = soc_runtime->pcm; struct snd_pcm_substream *psubstream, *csubstream; - struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai; - struct lpass_data *drvdata = - snd_soc_platform_get_drvdata(soc_runtime->platform); - struct lpass_variant *v = drvdata->variant; int ret = -EINVAL; - struct lpass_pcm_data *data; size_t size = lpass_platform_pcm_hardware.buffer_bytes_max; - data = devm_kzalloc(soc_runtime->dev, sizeof(*data), GFP_KERNEL); - if (!data) - return -ENOMEM; - - data->i2s_port = cpu_dai->driver->id; - drvdata->private_data = data; - psubstream = pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream; if (psubstream) { - if (v->alloc_dma_channel) - data->rdma_ch = v->alloc_dma_channel(drvdata, - SNDRV_PCM_STREAM_PLAYBACK); - - if (data->rdma_ch < 0) - return data->rdma_ch; - - drvdata->substream[data->rdma_ch] = psubstream; - ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, soc_runtime->platform->dev, size, &psubstream->dma_buffer); - if (ret) - goto playback_alloc_err; - - ret = regmap_write(drvdata->lpaif_map, - LPAIF_RDMACTL_REG(v, data->rdma_ch), 0); if (ret) { - dev_err(soc_runtime->dev, - "%s() error writing to rdmactl reg: %d\n", - __func__, ret); - goto capture_alloc_err; + dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n"); + return ret; } } csubstream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream; if (csubstream) { - if (v->alloc_dma_channel) - data->wrdma_ch = v->alloc_dma_channel(drvdata, - SNDRV_PCM_STREAM_CAPTURE); - - if (data->wrdma_ch < 0) { - ret = data->wrdma_ch; - goto capture_alloc_err; - } - - drvdata->substream[data->wrdma_ch] = csubstream; - ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, soc_runtime->platform->dev, size, &csubstream->dma_buffer); - if (ret) - goto capture_alloc_err; - - ret = regmap_write(drvdata->lpaif_map, - LPAIF_WRDMACTL_REG(v, data->wrdma_ch), 0); if (ret) { - dev_err(soc_runtime->dev, - "%s() error writing to wrdmactl reg: %d\n", - __func__, ret); - goto capture_reg_err; + dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n"); + if (psubstream) + snd_dma_free_pages(&psubstream->dma_buffer); + return ret; } + } return 0; - -capture_reg_err: - if (csubstream) - snd_dma_free_pages(&csubstream->dma_buffer); - -capture_alloc_err: - if (psubstream) - snd_dma_free_pages(&psubstream->dma_buffer); - - playback_alloc_err: - dev_err(soc_runtime->dev, "Cannot allocate buffer(s)\n"); - - return ret; } static void lpass_platform_pcm_free(struct snd_pcm *pcm) { - struct snd_soc_pcm_runtime *rt; - struct lpass_data *drvdata; - struct lpass_pcm_data *data; - struct lpass_variant *v; struct snd_pcm_substream *substream; - int ch, i; + int i; for (i = 0; i < ARRAY_SIZE(pcm->streams); i++) { substream = pcm->streams[i].substream; if (substream) { - rt = substream->private_data; - drvdata = snd_soc_platform_get_drvdata(rt->platform); - data = drvdata->private_data; - - ch = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - ? data->rdma_ch - : data->wrdma_ch; - v = drvdata->variant; - drvdata->substream[ch] = NULL; - if (v->free_dma_channel) - v->free_dma_channel(drvdata, ch); - snd_dma_free_pages(&substream->dma_buffer); substream->dma_buffer.area = NULL; substream->dma_buffer.addr = 0; diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index 35b3cea..924971b 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -59,7 +59,6 @@ struct lpass_data { struct clk *pcnoc_mport_clk; struct clk *pcnoc_sway_clk; - void *private_data; }; /* Vairant data per each SOC */ diff --git a/sound/soc/samsung/ac97.c b/sound/soc/samsung/ac97.c index 97d6700..cbc0023 100644 --- a/sound/soc/samsung/ac97.c +++ b/sound/soc/samsung/ac97.c @@ -383,11 +383,6 @@ static int s3c_ac97_probe(struct platform_device *pdev) goto err4; } - ret = devm_snd_soc_register_component(&pdev->dev, &s3c_ac97_component, - s3c_ac97_dai, ARRAY_SIZE(s3c_ac97_dai)); - if (ret) - goto err5; - ret = samsung_asoc_dma_platform_register(&pdev->dev, ac97_pdata->dma_filter, NULL, NULL); @@ -396,6 +391,11 @@ static int s3c_ac97_probe(struct platform_device *pdev) goto err5; } + ret = devm_snd_soc_register_component(&pdev->dev, &s3c_ac97_component, + s3c_ac97_dai, ARRAY_SIZE(s3c_ac97_dai)); + if (ret) + goto err5; + return 0; err5: free_irq(irq_res->start, NULL); diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index 7e32cf4..7825bff 100644 --- a/sound/soc/samsung/i2s.c +++ b/sound/soc/samsung/i2s.c @@ -1237,14 +1237,14 @@ static int samsung_i2s_probe(struct platform_device *pdev) dev_err(&pdev->dev, "Unable to get drvdata\n"); return -EFAULT; } - ret = devm_snd_soc_register_component(&sec_dai->pdev->dev, - &samsung_i2s_component, - &sec_dai->i2s_dai_drv, 1); + ret = samsung_asoc_dma_platform_register(&pdev->dev, + sec_dai->filter, "tx-sec", NULL); if (ret != 0) return ret; - return samsung_asoc_dma_platform_register(&pdev->dev, - sec_dai->filter, "tx-sec", NULL); + return devm_snd_soc_register_component(&sec_dai->pdev->dev, + &samsung_i2s_component, + &sec_dai->i2s_dai_drv, 1); } pri_dai = i2s_alloc_dai(pdev, false); @@ -1314,6 +1314,11 @@ static int samsung_i2s_probe(struct platform_device *pdev) if (quirks & QUIRK_PRI_6CHAN) pri_dai->i2s_dai_drv.playback.channels_max = 6; + ret = samsung_asoc_dma_platform_register(&pdev->dev, pri_dai->filter, + NULL, NULL); + if (ret < 0) + goto err_disable_clk; + if (quirks & QUIRK_SEC_DAI) { sec_dai = i2s_alloc_dai(pdev, true); if (!sec_dai) { @@ -1353,10 +1358,6 @@ static int samsung_i2s_probe(struct platform_device *pdev) if (ret < 0) goto err_free_dai; - ret = samsung_asoc_dma_platform_register(&pdev->dev, pri_dai->filter, - NULL, NULL); - if (ret < 0) - goto err_free_dai; pm_runtime_enable(&pdev->dev); diff --git a/sound/soc/samsung/pcm.c b/sound/soc/samsung/pcm.c index 43e367a..c484985 100644 --- a/sound/soc/samsung/pcm.c +++ b/sound/soc/samsung/pcm.c @@ -565,24 +565,25 @@ static int s3c_pcm_dev_probe(struct platform_device *pdev) pcm->dma_capture = &s3c_pcm_stereo_in[pdev->id]; pcm->dma_playback = &s3c_pcm_stereo_out[pdev->id]; + ret = samsung_asoc_dma_platform_register(&pdev->dev, filter, + NULL, NULL); + if (ret) { + dev_err(&pdev->dev, "failed to get register DMA: %d\n", ret); + goto err5; + } + pm_runtime_enable(&pdev->dev); ret = devm_snd_soc_register_component(&pdev->dev, &s3c_pcm_component, &s3c_pcm_dai[pdev->id], 1); if (ret != 0) { dev_err(&pdev->dev, "failed to get register DAI: %d\n", ret); - goto err5; - } - - ret = samsung_asoc_dma_platform_register(&pdev->dev, filter, - NULL, NULL); - if (ret) { - dev_err(&pdev->dev, "failed to get register DMA: %d\n", ret); - goto err5; + goto err6; } return 0; - +err6: + pm_runtime_disable(&pdev->dev); err5: clk_disable_unprepare(pcm->pclk); err4: diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c index 3e89fbc..0a47182 100644 --- a/sound/soc/samsung/s3c2412-i2s.c +++ b/sound/soc/samsung/s3c2412-i2s.c @@ -168,19 +168,19 @@ static int s3c2412_iis_dev_probe(struct platform_device *pdev) s3c2412_i2s_pcm_stereo_in.addr = res->start + S3C2412_IISRXD; s3c2412_i2s_pcm_stereo_in.filter_data = pdata->dma_capture; - ret = s3c_i2sv2_register_component(&pdev->dev, -1, - &s3c2412_i2s_component, - &s3c2412_i2s_dai); + ret = samsung_asoc_dma_platform_register(&pdev->dev, + pdata->dma_filter, + NULL, NULL); if (ret) { - pr_err("failed to register the dai\n"); + pr_err("failed to register the DMA: %d\n", ret); return ret; } - ret = samsung_asoc_dma_platform_register(&pdev->dev, - pdata->dma_filter, - NULL, NULL); + ret = s3c_i2sv2_register_component(&pdev->dev, -1, + &s3c2412_i2s_component, + &s3c2412_i2s_dai); if (ret) - pr_err("failed to register the DMA: %d\n", ret); + pr_err("failed to register the dai\n"); return ret; } diff --git a/sound/soc/samsung/s3c24xx-i2s.c b/sound/soc/samsung/s3c24xx-i2s.c index c78a936..9052f6a 100644 --- a/sound/soc/samsung/s3c24xx-i2s.c +++ b/sound/soc/samsung/s3c24xx-i2s.c @@ -474,18 +474,18 @@ static int s3c24xx_iis_dev_probe(struct platform_device *pdev) s3c24xx_i2s_pcm_stereo_in.addr = res->start + S3C2410_IISFIFO; s3c24xx_i2s_pcm_stereo_in.filter_data = pdata->dma_capture; - ret = devm_snd_soc_register_component(&pdev->dev, - &s3c24xx_i2s_component, &s3c24xx_i2s_dai, 1); + ret = samsung_asoc_dma_platform_register(&pdev->dev, + pdata->dma_filter, + NULL, NULL); if (ret) { - pr_err("failed to register the dai\n"); + pr_err("failed to register the dma: %d\n", ret); return ret; } - ret = samsung_asoc_dma_platform_register(&pdev->dev, - pdata->dma_filter, - NULL, NULL); + ret = devm_snd_soc_register_component(&pdev->dev, + &s3c24xx_i2s_component, &s3c24xx_i2s_dai, 1); if (ret) - pr_err("failed to register the dma: %d\n", ret); + pr_err("failed to register the dai\n"); return ret; } diff --git a/sound/soc/samsung/spdif.c b/sound/soc/samsung/spdif.c index 26c1fbe..779504f 100644 --- a/sound/soc/samsung/spdif.c +++ b/sound/soc/samsung/spdif.c @@ -416,15 +416,6 @@ static int spdif_probe(struct platform_device *pdev) goto err3; } - dev_set_drvdata(&pdev->dev, spdif); - - ret = devm_snd_soc_register_component(&pdev->dev, - &samsung_spdif_component, &samsung_spdif_dai, 1); - if (ret != 0) { - dev_err(&pdev->dev, "fail to register dai\n"); - goto err4; - } - spdif_stereo_out.addr_width = 2; spdif_stereo_out.addr = mem_res->start + DATA_OUTBUF; filter = NULL; @@ -432,7 +423,6 @@ static int spdif_probe(struct platform_device *pdev) spdif_stereo_out.filter_data = spdif_pdata->dma_playback; filter = spdif_pdata->dma_filter; } - spdif->dma_playback = &spdif_stereo_out; ret = samsung_asoc_dma_platform_register(&pdev->dev, filter, @@ -442,6 +432,15 @@ static int spdif_probe(struct platform_device *pdev) goto err4; } + dev_set_drvdata(&pdev->dev, spdif); + + ret = devm_snd_soc_register_component(&pdev->dev, + &samsung_spdif_component, &samsung_spdif_dai, 1); + if (ret != 0) { + dev_err(&pdev->dev, "fail to register dai\n"); + goto err4; + } + return 0; err4: iounmap(spdif->regs); diff --git a/sound/soc/sti/uniperif_player.c b/sound/soc/sti/uniperif_player.c index 1bc8ebc..ad54d4c 100644 --- a/sound/soc/sti/uniperif_player.c +++ b/sound/soc/sti/uniperif_player.c @@ -614,7 +614,11 @@ static int uni_player_ctl_iec958_put(struct snd_kcontrol *kcontrol, iec958->status[3] = ucontrol->value.iec958.status[3]; mutex_unlock(&player->ctrl_lock); - uni_player_set_channel_status(player, NULL); + if (player->substream && player->substream->runtime) + uni_player_set_channel_status(player, + player->substream->runtime); + else + uni_player_set_channel_status(player, NULL); return 0; } diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c index e047ec0..56ed947 100644 --- a/sound/soc/sunxi/sun4i-codec.c +++ b/sound/soc/sunxi/sun4i-codec.c @@ -765,11 +765,11 @@ static struct snd_soc_card *sun4i_codec_create_card(struct device *dev) card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL); if (!card) - return NULL; + return ERR_PTR(-ENOMEM); card->dai_link = sun4i_codec_create_link(dev, &card->num_links); if (!card->dai_link) - return NULL; + return ERR_PTR(-ENOMEM); card->dev = dev; card->name = "sun4i-codec"; @@ -829,12 +829,6 @@ static int sun4i_codec_probe(struct platform_device *pdev) return PTR_ERR(scodec->clk_module); } - /* Enable the bus clock */ - if (clk_prepare_enable(scodec->clk_apb)) { - dev_err(&pdev->dev, "Failed to enable the APB clock\n"); - return -EINVAL; - } - scodec->gpio_pa = devm_gpiod_get_optional(&pdev->dev, "allwinner,pa", GPIOD_OUT_LOW); if (IS_ERR(scodec->gpio_pa)) { @@ -844,6 +838,12 @@ static int sun4i_codec_probe(struct platform_device *pdev) return ret; } + /* Enable the bus clock */ + if (clk_prepare_enable(scodec->clk_apb)) { + dev_err(&pdev->dev, "Failed to enable the APB clock\n"); + return -EINVAL; + } + /* DMA configuration for TX FIFO */ scodec->playback_dma_data.addr = res->start + SUN4I_CODEC_DAC_TXDATA; scodec->playback_dma_data.maxburst = 4; @@ -876,7 +876,8 @@ static int sun4i_codec_probe(struct platform_device *pdev) } card = sun4i_codec_create_card(&pdev->dev); - if (!card) { + if (IS_ERR(card)) { + ret = PTR_ERR(card); dev_err(&pdev->dev, "Failed to create our card\n"); goto err_unregister_codec; } diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index 4ffff7b..a53fef0 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -1337,8 +1337,8 @@ static int hist_browser__show_hierarchy_entry(struct hist_browser *browser, } if (first) { - ui_browser__printf(&browser->b, "%c", folded_sign); - width--; + ui_browser__printf(&browser->b, "%c ", folded_sign); + width -= 2; first = false; } else { ui_browser__printf(&browser->b, " "); @@ -1361,8 +1361,10 @@ static int hist_browser__show_hierarchy_entry(struct hist_browser *browser, width -= hpp.buf - s; } - ui_browser__write_nstring(&browser->b, "", hierarchy_indent); - width -= hierarchy_indent; + if (!first) { + ui_browser__write_nstring(&browser->b, "", hierarchy_indent); + width -= hierarchy_indent; + } if (column >= browser->b.horiz_scroll) { char s[2048]; @@ -1381,7 +1383,13 @@ static int hist_browser__show_hierarchy_entry(struct hist_browser *browser, } perf_hpp_list__for_each_format(entry->hpp_list, fmt) { - ui_browser__write_nstring(&browser->b, "", 2); + if (first) { + ui_browser__printf(&browser->b, "%c ", folded_sign); + first = false; + } else { + ui_browser__write_nstring(&browser->b, "", 2); + } + width -= 2; /* @@ -1555,10 +1563,11 @@ static int hists_browser__scnprintf_hierarchy_headers(struct hist_browser *brows int indent = hists->nr_hpp_node - 2; bool first_node, first_col; - ret = scnprintf(buf, size, " "); + ret = scnprintf(buf, size, " "); if (advance_hpp_check(&dummy_hpp, ret)) return ret; + first_node = true; /* the first hpp_list_node is for overhead columns */ fmt_node = list_first_entry(&hists->hpp_formats, struct perf_hpp_list_node, list); @@ -1573,12 +1582,16 @@ static int hists_browser__scnprintf_hierarchy_headers(struct hist_browser *brows ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, " "); if (advance_hpp_check(&dummy_hpp, ret)) break; + + first_node = false; } - ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, "%*s", - indent * HIERARCHY_INDENT, ""); - if (advance_hpp_check(&dummy_hpp, ret)) - return ret; + if (!first_node) { + ret = scnprintf(dummy_hpp.buf, dummy_hpp.size, "%*s", + indent * HIERARCHY_INDENT, ""); + if (advance_hpp_check(&dummy_hpp, ret)) + return ret; + } first_node = true; list_for_each_entry_continue(fmt_node, &hists->hpp_formats, list) { @@ -2076,8 +2089,21 @@ void hist_browser__init(struct hist_browser *browser, browser->b.use_navkeypressed = true; browser->show_headers = symbol_conf.show_hist_headers; - hists__for_each_format(hists, fmt) + if (symbol_conf.report_hierarchy) { + struct perf_hpp_list_node *fmt_node; + + /* count overhead columns (in the first node) */ + fmt_node = list_first_entry(&hists->hpp_formats, + struct perf_hpp_list_node, list); + perf_hpp_list__for_each_format(&fmt_node->hpp, fmt) + ++browser->b.columns; + + /* add a single column for whole hierarchy sort keys*/ ++browser->b.columns; + } else { + hists__for_each_format(hists, fmt) + ++browser->b.columns; + } hists__reset_column_width(hists); } diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index b02992e..a69f027 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -1600,18 +1600,18 @@ static void hists__hierarchy_output_resort(struct hists *hists, if (prog) ui_progress__update(prog, 1); + hists->nr_entries++; + if (!he->filtered) { + hists->nr_non_filtered_entries++; + hists__calc_col_len(hists, he); + } + if (!he->leaf) { hists__hierarchy_output_resort(hists, prog, &he->hroot_in, &he->hroot_out, min_callchain_hits, use_callchain); - hists->nr_entries++; - if (!he->filtered) { - hists->nr_non_filtered_entries++; - hists__calc_col_len(hists, he); - } - continue; } diff --git a/tools/power/cpupower/utils/cpufreq-set.c b/tools/power/cpupower/utils/cpufreq-set.c index b4bf769..1eef0ae 100644 --- a/tools/power/cpupower/utils/cpufreq-set.c +++ b/tools/power/cpupower/utils/cpufreq-set.c @@ -296,7 +296,7 @@ int cmd_freq_set(int argc, char **argv) struct cpufreq_affected_cpus *cpus; if (!bitmask_isbitset(cpus_chosen, cpu) || - cpupower_is_cpu_online(cpu)) + cpupower_is_cpu_online(cpu) != 1) continue; cpus = cpufreq_get_related_cpus(cpu); @@ -316,10 +316,7 @@ int cmd_freq_set(int argc, char **argv) cpu <= bitmask_last(cpus_chosen); cpu++) { if (!bitmask_isbitset(cpus_chosen, cpu) || - cpupower_is_cpu_online(cpu)) - continue; - - if (cpupower_is_cpu_online(cpu) != 1) + cpupower_is_cpu_online(cpu) != 1) continue; printf(_("Setting cpu: %d\n"), cpu); diff --git a/tools/virtio/ringtest/Makefile b/tools/virtio/ringtest/Makefile index 877a8a4..c012edb 100644 --- a/tools/virtio/ringtest/Makefile +++ b/tools/virtio/ringtest/Makefile @@ -3,8 +3,8 @@ all: all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder ptr_ring noring CFLAGS += -Wall -CFLAGS += -pthread -O2 -ggdb -LDFLAGS += -pthread -O2 -ggdb +CFLAGS += -pthread -O2 -ggdb -flto -fwhole-program +LDFLAGS += -pthread -O2 -ggdb -flto -fwhole-program main.o: main.c main.h ring.o: ring.c main.h diff --git a/tools/virtio/ringtest/main.c b/tools/virtio/ringtest/main.c index 147abb4..f31353f 100644 --- a/tools/virtio/ringtest/main.c +++ b/tools/virtio/ringtest/main.c @@ -96,7 +96,13 @@ void set_affinity(const char *arg) assert(!ret); } -static void run_guest(void) +void poll_used(void) +{ + while (used_empty()) + busy_wait(); +} + +static void __attribute__((__flatten__)) run_guest(void) { int completed_before; int completed = 0; @@ -141,7 +147,7 @@ static void run_guest(void) assert(completed <= bufs); assert(started <= bufs); if (do_sleep) { - if (enable_call()) + if (used_empty() && enable_call()) wait_for_call(); } else { poll_used(); @@ -149,7 +155,13 @@ static void run_guest(void) } } -static void run_host(void) +void poll_avail(void) +{ + while (avail_empty()) + busy_wait(); +} + +static void __attribute__((__flatten__)) run_host(void) { int completed_before; int completed = 0; @@ -160,7 +172,7 @@ static void run_host(void) for (;;) { if (do_sleep) { - if (enable_kick()) + if (avail_empty() && enable_kick()) wait_for_kick(); } else { poll_avail(); diff --git a/tools/virtio/ringtest/main.h b/tools/virtio/ringtest/main.h index 16917ac..34e63cc 100644 --- a/tools/virtio/ringtest/main.h +++ b/tools/virtio/ringtest/main.h @@ -56,15 +56,15 @@ void alloc_ring(void); int add_inbuf(unsigned, void *, void *); void *get_buf(unsigned *, void **); void disable_call(); +bool used_empty(); bool enable_call(); void kick_available(); -void poll_used(); /* host side */ void disable_kick(); +bool avail_empty(); bool enable_kick(); bool use_buf(unsigned *, void **); void call_used(); -void poll_avail(); /* implemented by main */ extern bool do_sleep; diff --git a/tools/virtio/ringtest/noring.c b/tools/virtio/ringtest/noring.c index eda2f48..b8d1c1d 100644 --- a/tools/virtio/ringtest/noring.c +++ b/tools/virtio/ringtest/noring.c @@ -24,8 +24,9 @@ void *get_buf(unsigned *lenp, void **bufp) return "Buffer"; } -void poll_used(void) +bool used_empty() { + return false; } void disable_call() @@ -54,8 +55,9 @@ bool enable_kick() assert(0); } -void poll_avail(void) +bool avail_empty() { + return false; } bool use_buf(unsigned *lenp, void **bufp) diff --git a/tools/virtio/ringtest/ptr_ring.c b/tools/virtio/ringtest/ptr_ring.c index bd2ad1d..635b07b 100644 --- a/tools/virtio/ringtest/ptr_ring.c +++ b/tools/virtio/ringtest/ptr_ring.c @@ -133,18 +133,9 @@ void *get_buf(unsigned *lenp, void **bufp) return datap; } -void poll_used(void) +bool used_empty() { - void *b; - - do { - if (tailcnt == headcnt || __ptr_ring_full(&array)) { - b = NULL; - barrier(); - } else { - b = "Buffer\n"; - } - } while (!b); + return (tailcnt == headcnt || __ptr_ring_full(&array)); } void disable_call() @@ -173,14 +164,9 @@ bool enable_kick() assert(0); } -void poll_avail(void) +bool avail_empty() { - void *b; - - do { - barrier(); - b = __ptr_ring_peek(&array); - } while (!b); + return !__ptr_ring_peek(&array); } bool use_buf(unsigned *lenp, void **bufp) diff --git a/tools/virtio/ringtest/ring.c b/tools/virtio/ringtest/ring.c index c25c8d2..747c5dd 100644 --- a/tools/virtio/ringtest/ring.c +++ b/tools/virtio/ringtest/ring.c @@ -163,12 +163,11 @@ void *get_buf(unsigned *lenp, void **bufp) return datap; } -void poll_used(void) +bool used_empty() { unsigned head = (ring_size - 1) & guest.last_used_idx; - while (ring[head].flags & DESC_HW) - busy_wait(); + return (ring[head].flags & DESC_HW); } void disable_call() @@ -180,13 +179,11 @@ void disable_call() bool enable_call() { - unsigned head = (ring_size - 1) & guest.last_used_idx; - event->call_index = guest.last_used_idx; /* Flush call index write */ /* Barrier D (for pairing) */ smp_mb(); - return ring[head].flags & DESC_HW; + return used_empty(); } void kick_available(void) @@ -213,20 +210,17 @@ void disable_kick() bool enable_kick() { - unsigned head = (ring_size - 1) & host.used_idx; - event->kick_index = host.used_idx; /* Barrier C (for pairing) */ smp_mb(); - return !(ring[head].flags & DESC_HW); + return avail_empty(); } -void poll_avail(void) +bool avail_empty() { unsigned head = (ring_size - 1) & host.used_idx; - while (!(ring[head].flags & DESC_HW)) - busy_wait(); + return !(ring[head].flags & DESC_HW); } bool use_buf(unsigned *lenp, void **bufp) diff --git a/tools/virtio/ringtest/virtio_ring_0_9.c b/tools/virtio/ringtest/virtio_ring_0_9.c index 7618662..bbc3043 100644 --- a/tools/virtio/ringtest/virtio_ring_0_9.c +++ b/tools/virtio/ringtest/virtio_ring_0_9.c @@ -194,24 +194,16 @@ void *get_buf(unsigned *lenp, void **bufp) return datap; } -void poll_used(void) +bool used_empty() { + unsigned short last_used_idx = guest.last_used_idx; #ifdef RING_POLL - unsigned head = (ring_size - 1) & guest.last_used_idx; + unsigned short head = last_used_idx & (ring_size - 1); + unsigned index = ring.used->ring[head].id; - for (;;) { - unsigned index = ring.used->ring[head].id; - - if ((index ^ guest.last_used_idx ^ 0x8000) & ~(ring_size - 1)) - busy_wait(); - else - break; - } + return (index ^ last_used_idx ^ 0x8000) & ~(ring_size - 1); #else - unsigned head = guest.last_used_idx; - - while (ring.used->idx == head) - busy_wait(); + return ring.used->idx == last_used_idx; #endif } @@ -224,22 +216,11 @@ void disable_call() bool enable_call() { - unsigned short last_used_idx; - - vring_used_event(&ring) = (last_used_idx = guest.last_used_idx); + vring_used_event(&ring) = guest.last_used_idx; /* Flush call index write */ /* Barrier D (for pairing) */ smp_mb(); -#ifdef RING_POLL - { - unsigned short head = last_used_idx & (ring_size - 1); - unsigned index = ring.used->ring[head].id; - - return (index ^ last_used_idx ^ 0x8000) & ~(ring_size - 1); - } -#else - return ring.used->idx == last_used_idx; -#endif + return used_empty(); } void kick_available(void) @@ -266,36 +247,21 @@ void disable_kick() bool enable_kick() { - unsigned head = host.used_idx; - - vring_avail_event(&ring) = head; + vring_avail_event(&ring) = host.used_idx; /* Barrier C (for pairing) */ smp_mb(); -#ifdef RING_POLL - { - unsigned index = ring.avail->ring[head & (ring_size - 1)]; - - return (index ^ head ^ 0x8000) & ~(ring_size - 1); - } -#else - return head == ring.avail->idx; -#endif + return avail_empty(); } -void poll_avail(void) +bool avail_empty() { unsigned head = host.used_idx; #ifdef RING_POLL - for (;;) { - unsigned index = ring.avail->ring[head & (ring_size - 1)]; - if ((index ^ head ^ 0x8000) & ~(ring_size - 1)) - busy_wait(); - else - break; - } + unsigned index = ring.avail->ring[head & (ring_size - 1)]; + + return ((index ^ head ^ 0x8000) & ~(ring_size - 1)); #else - while (ring.avail->idx == head) - busy_wait(); + return head == ring.avail->idx; #endif } diff --git a/virt/kvm/arm/vgic/vgic-mmio.c b/virt/kvm/arm/vgic/vgic-mmio.c index e18b30d..ebe1b9f 100644 --- a/virt/kvm/arm/vgic/vgic-mmio.c +++ b/virt/kvm/arm/vgic/vgic-mmio.c @@ -453,17 +453,33 @@ struct vgic_io_device *kvm_to_vgic_iodev(const struct kvm_io_device *dev) return container_of(dev, struct vgic_io_device, dev); } -static bool check_region(const struct vgic_register_region *region, +static bool check_region(const struct kvm *kvm, + const struct vgic_register_region *region, gpa_t addr, int len) { - if ((region->access_flags & VGIC_ACCESS_8bit) && len == 1) - return true; - if ((region->access_flags & VGIC_ACCESS_32bit) && - len == sizeof(u32) && !(addr & 3)) - return true; - if ((region->access_flags & VGIC_ACCESS_64bit) && - len == sizeof(u64) && !(addr & 7)) - return true; + int flags, nr_irqs = kvm->arch.vgic.nr_spis + VGIC_NR_PRIVATE_IRQS; + + switch (len) { + case sizeof(u8): + flags = VGIC_ACCESS_8bit; + break; + case sizeof(u32): + flags = VGIC_ACCESS_32bit; + break; + case sizeof(u64): + flags = VGIC_ACCESS_64bit; + break; + default: + return false; + } + + if ((region->access_flags & flags) && IS_ALIGNED(addr, len)) { + if (!region->bits_per_irq) + return true; + + /* Do we access a non-allocated IRQ? */ + return VGIC_ADDR_TO_INTID(addr, region->bits_per_irq) < nr_irqs; + } return false; } @@ -477,7 +493,7 @@ static int dispatch_mmio_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, region = vgic_find_mmio_region(iodev->regions, iodev->nr_regions, addr - iodev->base_addr); - if (!region || !check_region(region, addr, len)) { + if (!region || !check_region(vcpu->kvm, region, addr, len)) { memset(val, 0, len); return 0; } @@ -510,10 +526,7 @@ static int dispatch_mmio_write(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, region = vgic_find_mmio_region(iodev->regions, iodev->nr_regions, addr - iodev->base_addr); - if (!region) - return 0; - - if (!check_region(region, addr, len)) + if (!region || !check_region(vcpu->kvm, region, addr, len)) return 0; switch (iodev->iodev_type) { diff --git a/virt/kvm/arm/vgic/vgic-mmio.h b/virt/kvm/arm/vgic/vgic-mmio.h index 4c34d39..84961b4 100644 --- a/virt/kvm/arm/vgic/vgic-mmio.h +++ b/virt/kvm/arm/vgic/vgic-mmio.h @@ -50,15 +50,15 @@ extern struct kvm_io_device_ops kvm_io_gic_ops; #define VGIC_ADDR_IRQ_MASK(bits) (((bits) * 1024 / 8) - 1) /* - * (addr & mask) gives us the byte offset for the INT ID, so we want to - * divide this with 'bytes per irq' to get the INT ID, which is given - * by '(bits) / 8'. But we do this with fixed-point-arithmetic and - * take advantage of the fact that division by a fraction equals - * multiplication with the inverted fraction, and scale up both the - * numerator and denominator with 8 to support at most 64 bits per IRQ: + * (addr & mask) gives us the _byte_ offset for the INT ID. + * We multiply this by 8 the get the _bit_ offset, then divide this by + * the number of bits to learn the actual INT ID. + * But instead of a division (which requires a "long long div" implementation), + * we shift by the binary logarithm of <bits>. + * This assumes that <bits> is a power of two. */ #define VGIC_ADDR_TO_INTID(addr, bits) (((addr) & VGIC_ADDR_IRQ_MASK(bits)) * \ - 64 / (bits) / 8) + 8 >> ilog2(bits)) /* * Some VGIC registers store per-IRQ information, with a different number diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c index 2893d5b..6440b56 100644 --- a/virt/kvm/arm/vgic/vgic.c +++ b/virt/kvm/arm/vgic/vgic.c @@ -273,6 +273,18 @@ retry: * no more work for us to do. */ spin_unlock(&irq->irq_lock); + + /* + * We have to kick the VCPU here, because we could be + * queueing an edge-triggered interrupt for which we + * get no EOI maintenance interrupt. In that case, + * while the IRQ is already on the VCPU's AP list, the + * VCPU could have EOI'ed the original interrupt and + * won't see this one until it exits for some other + * reason. + */ + if (vcpu) + kvm_vcpu_kick(vcpu); return false; } diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c index f397e9b..a29786d 100644 --- a/virt/kvm/eventfd.c +++ b/virt/kvm/eventfd.c @@ -42,6 +42,7 @@ #ifdef CONFIG_HAVE_KVM_IRQFD +static struct workqueue_struct *irqfd_cleanup_wq; static void irqfd_inject(struct work_struct *work) @@ -167,7 +168,7 @@ irqfd_deactivate(struct kvm_kernel_irqfd *irqfd) list_del_init(&irqfd->list); - schedule_work(&irqfd->shutdown); + queue_work(irqfd_cleanup_wq, &irqfd->shutdown); } int __attribute__((weak)) kvm_arch_set_irq_inatomic( @@ -554,7 +555,7 @@ kvm_irqfd_deassign(struct kvm *kvm, struct kvm_irqfd *args) * so that we guarantee there will not be any more interrupts on this * gsi once this deassign function returns. */ - flush_work(&irqfd->shutdown); + flush_workqueue(irqfd_cleanup_wq); return 0; } @@ -591,7 +592,7 @@ kvm_irqfd_release(struct kvm *kvm) * Block until we know all outstanding shutdown jobs have completed * since we do not take a kvm* reference. */ - flush_work(&irqfd->shutdown); + flush_workqueue(irqfd_cleanup_wq); } @@ -621,8 +622,23 @@ void kvm_irq_routing_update(struct kvm *kvm) spin_unlock_irq(&kvm->irqfds.lock); } +/* + * create a host-wide workqueue for issuing deferred shutdown requests + * aggregated from all vm* instances. We need our own isolated + * queue to ease flushing work items when a VM exits. + */ +int kvm_irqfd_init(void) +{ + irqfd_cleanup_wq = alloc_workqueue("kvm-irqfd-cleanup", 0, 0); + if (!irqfd_cleanup_wq) + return -ENOMEM; + + return 0; +} + void kvm_irqfd_exit(void) { + destroy_workqueue(irqfd_cleanup_wq); } #endif diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 2907b7b..5c36034 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -3844,7 +3844,12 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, * kvm_arch_init makes sure there's at most one caller * for architectures that support multiple implementations, * like intel and amd on x86. + * kvm_arch_init must be called before kvm_irqfd_init to avoid creating + * conflicts in case kvm is already setup for another implementation. */ + r = kvm_irqfd_init(); + if (r) + goto out_irqfd; if (!zalloc_cpumask_var(&cpus_hardware_enabled, GFP_KERNEL)) { r = -ENOMEM; @@ -3926,6 +3931,7 @@ out_free_0a: free_cpumask_var(cpus_hardware_enabled); out_free_0: kvm_irqfd_exit(); +out_irqfd: kvm_arch_exit(); out_fail: return r; |
