Merge remote-tracking branch 'lts/linux-4.4.y' into linux-linaro-lsk-v4.4
authorAlex Shi <alex.shi@linaro.org>
Thu, 5 May 2016 05:25:02 +0000 (13:25 +0800)
committerAlex Shi <alex.shi@linaro.org>
Thu, 5 May 2016 05:25:02 +0000 (13:25 +0800)
Conflicts:
drivers/base/power/opp/core.c

175 files changed:
Makefile
arch/arm/boot/dts/am43x-epos-evm.dts
arch/arm/boot/dts/armada-375.dtsi
arch/arm/boot/dts/armada-385-linksys.dtsi
arch/arm/boot/dts/pxa3xx.dtsi
arch/arm/mach-exynos/Kconfig
arch/arm/mach-omap2/cpuidle34xx.c
arch/arm/mach-omap2/io.c
arch/arm/mach-omap2/omap_hwmod.c
arch/arm/mach-prima2/Kconfig
arch/arm64/include/asm/pgtable.h
arch/powerpc/include/uapi/asm/cputable.h
arch/powerpc/kernel/prom.c
arch/s390/include/asm/pci.h
arch/x86/crypto/sha-mb/sha1_mb.c
arch/x86/include/asm/hugetlb.h
arch/x86/kernel/apic/vector.c
arch/x86/kernel/cpu/mcheck/mce-genpool.c
arch/x86/kvm/x86.c
arch/x86/mm/kmmio.c
block/partition-generic.c
drivers/base/power/domain.c
drivers/block/loop.c
drivers/block/paride/pd.c
drivers/block/paride/pt.c
drivers/bus/imx-weim.c
drivers/cpufreq/intel_pstate.c
drivers/crypto/ccp/ccp-crypto-aes-cmac.c
drivers/crypto/ccp/ccp-crypto-sha.c
drivers/crypto/talitos.c
drivers/dma/dw/core.c
drivers/dma/hsu/hsu.c
drivers/dma/hsu/hsu.h
drivers/dma/pxa_dma.c
drivers/edac/i7core_edac.c
drivers/edac/sb_edac.c
drivers/extcon/extcon-max77843.c
drivers/firmware/efi/efi.c
drivers/firmware/efi/vars.c
drivers/gpu/drm/amd/amdgpu/amdgpu.h
drivers/gpu/drm/amd/amdgpu/amdgpu_atpx_handler.c
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
drivers/gpu/drm/amd/amdgpu/amdgpu_mode.h
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
drivers/gpu/drm/drm_dp_mst_topology.c
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_dp_mst.c
drivers/gpu/drm/i915/intel_lrc.c
drivers/gpu/drm/i915/intel_ringbuffer.c
drivers/gpu/drm/i915/intel_uncore.c
drivers/gpu/drm/nouveau/nvkm/core/ramht.c
drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c
drivers/gpu/drm/qxl/qxl_display.c
drivers/gpu/drm/qxl/qxl_drv.h
drivers/gpu/drm/radeon/evergreen.c
drivers/gpu/drm/radeon/evergreen_reg.h
drivers/gpu/drm/radeon/radeon_atpx_handler.c
drivers/gpu/drm/radeon/radeon_connectors.c
drivers/gpu/drm/radeon/radeon_device.c
drivers/gpu/drm/radeon/radeon_ttm.c
drivers/gpu/drm/radeon/si_dpm.c
drivers/hwtracing/stm/Kconfig
drivers/i2c/busses/i2c-cpm.c
drivers/i2c/busses/i2c-exynos5.c
drivers/infiniband/core/ucm.c
drivers/infiniband/core/ucma.c
drivers/infiniband/core/uverbs_main.c
drivers/infiniband/hw/mlx5/main.c
drivers/infiniband/hw/qib/qib_file_ops.c
drivers/input/misc/pmic8xxx-pwrkey.c
drivers/input/tablet/gtco.c
drivers/iommu/amd_iommu.c
drivers/iommu/dma-iommu.c
drivers/irqchip/irq-mxs.c
drivers/irqchip/irq-sunxi-nmi.c
drivers/md/dm-cache-metadata.c
drivers/media/v4l2-core/videobuf2-core.c
drivers/media/v4l2-core/videobuf2-memops.c
drivers/media/v4l2-core/videobuf2-v4l2.c
drivers/misc/Kconfig
drivers/misc/ad525x_dpot.c
drivers/misc/cxl/irq.c
drivers/misc/mic/scif/scif_rma.c
drivers/mtd/nand/brcmnand/brcmnand.c
drivers/mtd/nand/nand_base.c
drivers/mtd/spi-nor/spi-nor.c
drivers/net/ethernet/jme.c
drivers/net/wireless/iwlwifi/mvm/mac80211.c
drivers/net/wireless/iwlwifi/mvm/ops.c
drivers/net/wireless/iwlwifi/pcie/trans.c
drivers/pinctrl/mediatek/pinctrl-mtk-common.c
drivers/pinctrl/pinctrl-single.c
drivers/platform/x86/toshiba_acpi.c
drivers/pwm/pwm-brcmstb.c
drivers/regulator/core.c
drivers/regulator/s5m8767.c
drivers/rtc/rtc-ds1685.c
drivers/rtc/rtc-hym8563.c
drivers/rtc/rtc-max77686.c
drivers/rtc/rtc-rx8025.c
drivers/rtc/rtc-vr41xx.c
drivers/scsi/device_handler/Kconfig
drivers/scsi/megaraid/megaraid_sas_base.c
drivers/spi/spi-rockchip.c
drivers/staging/rdma/hfi1/TODO
drivers/staging/rdma/hfi1/file_ops.c
drivers/thermal/rockchip_thermal.c
drivers/tty/serial/sh-sci.c
drivers/usb/core/hcd-pci.c
drivers/usb/gadget/function/f_fs.c
drivers/usb/host/xhci-mem.c
drivers/usb/host/xhci-pci.c
drivers/usb/host/xhci-ring.c
drivers/usb/host/xhci.c
drivers/usb/host/xhci.h
drivers/usb/usbip/usbip_common.c
drivers/video/fbdev/Kconfig
drivers/video/fbdev/da8xx-fb.c
fs/debugfs/inode.c
fs/ext4/ext4.h
fs/ext4/extents.c
fs/ext4/file.c
fs/ext4/inode.c
fs/ext4/super.c
fs/ext4/truncate.h
fs/proc/task_mmu.c
include/asm-generic/futex.h
include/drm/drm_cache.h
include/linux/cgroup-defs.h
include/linux/cpuset.h
include/linux/mlx5/device.h
include/linux/mm.h
include/media/videobuf2-core.h
include/rdma/ib.h
include/uapi/linux/v4l2-dv-timings.h
kernel/cgroup.c
kernel/cpuset.c
kernel/futex.c
kernel/locking/mcs_spinlock.h
kernel/sched/core.c
kernel/workqueue.c
lib/assoc_array.c
lib/lz4/lz4defs.h
lib/mpi/mpicoder.c
mm/huge_memory.c
mm/memcontrol.c
mm/memory.c
mm/migrate.c
mm/slub.c
mm/vmscan.c
net/netlink/af_netlink.c
net/sunrpc/cache.c
net/wireless/nl80211.c
scripts/kconfig/confdata.c
sound/pci/hda/hda_generic.c
sound/pci/hda/hda_intel.c
sound/pci/hda/patch_cirrus.c
sound/pci/hda/patch_realtek.c
sound/pci/pcxhr/pcxhr_core.c
sound/soc/codecs/rt5640.c
sound/soc/codecs/rt5640.h
sound/soc/codecs/ssm4567.c
sound/soc/samsung/s3c-i2s-v2.c
sound/soc/samsung/s3c-i2s-v2.h
sound/soc/soc-dapm.c
tools/perf/Documentation/perf-stat.txt
tools/perf/ui/browsers/hists.c
tools/perf/util/event.c
tools/perf/util/evlist.c
tools/perf/util/intel-pt.c
virt/kvm/arm/arch_timer.c

index 1928fcd539ccb77de65f3acc3d22a188e6090945..0722cdf521525e99737405168aaa4ac2a8f552ba 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 4
-SUBLEVEL = 8
+SUBLEVEL = 9
 EXTRAVERSION =
 NAME = Blurry Fish Butt
 
index 47954ed990f8be83c9aabe38b3878911d21f92a2..00707aac72fc4971d5c4148f512f7b816b48ce31 100644 (file)
        tx-num-evt = <32>;
        rx-num-evt = <32>;
 };
+
+&synctimer_32kclk {
+       assigned-clocks = <&mux_synctimer32k_ck>;
+       assigned-clock-parents = <&clkdiv32k_ick>;
+};
index 7ccce7529b0c8debe46f6d4d28c9d51b143738cf..cc952cf8ec3003b6339629161b40e2410ece51d4 100644 (file)
                        };
 
                        sata@a0000 {
-                               compatible = "marvell,orion-sata";
+                               compatible = "marvell,armada-370-sata";
                                reg = <0xa0000 0x5000>;
                                interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
                                clocks = <&gateclk 14>, <&gateclk 20>;
index 3710755c6d76b52fe339ea8f8f71d7dd8a1dc0ec..85d2c377c3322f6be3a612d85661534771896153 100644 (file)
                        };
 
                        /* USB part of the eSATA/USB 2.0 port */
-                       usb@50000 {
+                       usb@58000 {
                                status = "okay";
                        };
 
index cf6998a0804d418be89e476de2645fe293845bab..564341af7e972e81fa04a1c5c187668a3744a0ea 100644 (file)
@@ -30,7 +30,7 @@
                        reg = <0x43100000 90>;
                        interrupts = <45>;
                        clocks = <&clks CLK_NAND>;
-                       dmas = <&pdma 97>;
+                       dmas = <&pdma 97 3>;
                        dma-names = "data";
                        #address-cells = <1>;
                        #size-cells = <1>;      
index 3a10f1a8317ae7a053ed997da88a06ddd5311b57..bfd8bb3714773f89d7a4d705c9300047b6d7eeda 100644 (file)
@@ -26,6 +26,7 @@ menuconfig ARCH_EXYNOS
        select S5P_DEV_MFC
        select SRAM
        select THERMAL
+       select THERMAL_OF
        select MFD_SYSCON
        help
          Support for SAMSUNG EXYNOS SoCs (EXYNOS4/5)
index aa7b379e266148fa8990165a8dae7ba3e09edcf7..2a3db0bd9e15c3d942199c5d4ac089868ca3e7bf 100644 (file)
@@ -34,6 +34,7 @@
 #include "pm.h"
 #include "control.h"
 #include "common.h"
+#include "soc.h"
 
 /* Mach specific information to be recorded in the C-state driver_data */
 struct omap3_idle_statedata {
@@ -315,6 +316,69 @@ static struct cpuidle_driver omap3_idle_driver = {
        .safe_state_index = 0,
 };
 
+/*
+ * Numbers based on measurements made in October 2009 for PM optimized kernel
+ * with CPU freq enabled on device Nokia N900. Assumes OPP2 (main idle OPP,
+ * and worst case latencies).
+ */
+static struct cpuidle_driver omap3430_idle_driver = {
+       .name             = "omap3430_idle",
+       .owner            = THIS_MODULE,
+       .states = {
+               {
+                       .enter            = omap3_enter_idle_bm,
+                       .exit_latency     = 110 + 162,
+                       .target_residency = 5,
+                       .name             = "C1",
+                       .desc             = "MPU ON + CORE ON",
+               },
+               {
+                       .enter            = omap3_enter_idle_bm,
+                       .exit_latency     = 106 + 180,
+                       .target_residency = 309,
+                       .name             = "C2",
+                       .desc             = "MPU ON + CORE ON",
+               },
+               {
+                       .enter            = omap3_enter_idle_bm,
+                       .exit_latency     = 107 + 410,
+                       .target_residency = 46057,
+                       .name             = "C3",
+                       .desc             = "MPU RET + CORE ON",
+               },
+               {
+                       .enter            = omap3_enter_idle_bm,
+                       .exit_latency     = 121 + 3374,
+                       .target_residency = 46057,
+                       .name             = "C4",
+                       .desc             = "MPU OFF + CORE ON",
+               },
+               {
+                       .enter            = omap3_enter_idle_bm,
+                       .exit_latency     = 855 + 1146,
+                       .target_residency = 46057,
+                       .name             = "C5",
+                       .desc             = "MPU RET + CORE RET",
+               },
+               {
+                       .enter            = omap3_enter_idle_bm,
+                       .exit_latency     = 7580 + 4134,
+                       .target_residency = 484329,
+                       .name             = "C6",
+                       .desc             = "MPU OFF + CORE RET",
+               },
+               {
+                       .enter            = omap3_enter_idle_bm,
+                       .exit_latency     = 7505 + 15274,
+                       .target_residency = 484329,
+                       .name             = "C7",
+                       .desc             = "MPU OFF + CORE OFF",
+               },
+       },
+       .state_count = ARRAY_SIZE(omap3_idle_data),
+       .safe_state_index = 0,
+};
+
 /* Public functions */
 
 /**
@@ -333,5 +397,8 @@ int __init omap3_idle_init(void)
        if (!mpu_pd || !core_pd || !per_pd || !cam_pd)
                return -ENODEV;
 
-       return cpuidle_register(&omap3_idle_driver, NULL);
+       if (cpu_is_omap3430())
+               return cpuidle_register(&omap3430_idle_driver, NULL);
+       else
+               return cpuidle_register(&omap3_idle_driver, NULL);
 }
index 3eaeaca5da05f95fffe03d8927bc0b9ec0f63ef5..3a911d8dea8baaf4b56a623ceda403b65a990d27 100644 (file)
@@ -368,6 +368,7 @@ void __init omap5_map_io(void)
 void __init dra7xx_map_io(void)
 {
        iotable_init(dra7xx_io_desc, ARRAY_SIZE(dra7xx_io_desc));
+       omap_barriers_init();
 }
 #endif
 /*
index 8e0bd5939e5a1874444117189ffc5c7ff9cb644a..147c90e70b2e040c559b13511bc03ad81e3d7b31 100644 (file)
@@ -1416,9 +1416,7 @@ static void _enable_sysc(struct omap_hwmod *oh)
            (sf & SYSC_HAS_CLOCKACTIVITY))
                _set_clockactivity(oh, oh->class->sysc->clockact, &v);
 
-       /* If the cached value is the same as the new value, skip the write */
-       if (oh->_sysc_cache != v)
-               _write_sysconfig(v, oh);
+       _write_sysconfig(v, oh);
 
        /*
         * Set the autoidle bit only after setting the smartidle bit
@@ -1481,7 +1479,9 @@ static void _idle_sysc(struct omap_hwmod *oh)
                _set_master_standbymode(oh, idlemode, &v);
        }
 
-       _write_sysconfig(v, oh);
+       /* If the cached value is the same as the new value, skip the write */
+       if (oh->_sysc_cache != v)
+               _write_sysconfig(v, oh);
 }
 
 /**
index 9ab8932403e5dede46f37dabfd5d8658b01a405e..56e55fd37d1335a4da9ca1fb4c9f6cb815e0a558 100644 (file)
@@ -1,6 +1,7 @@
 menuconfig ARCH_SIRF
        bool "CSR SiRF" if ARCH_MULTI_V7
        select ARCH_HAS_RESET_CONTROLLER
+       select RESET_CONTROLLER
        select ARCH_REQUIRE_GPIOLIB
        select GENERIC_IRQ_CHIP
        select NO_IOPORT_MAP
index eaa9cabf4066e758eb0a0aa9e8bffb7f8611d878..c63868ae9a4a42728fd191279d10ba984816026a 100644 (file)
@@ -69,11 +69,11 @@ extern void __pgd_error(const char *file, int line, unsigned long val);
 #define PROT_DEFAULT           (PTE_TYPE_PAGE | PTE_AF | PTE_SHARED)
 #define PROT_SECT_DEFAULT      (PMD_TYPE_SECT | PMD_SECT_AF | PMD_SECT_S)
 
-#define PROT_DEVICE_nGnRnE     (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_ATTRINDX(MT_DEVICE_nGnRnE))
-#define PROT_DEVICE_nGnRE      (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_ATTRINDX(MT_DEVICE_nGnRE))
-#define PROT_NORMAL_NC         (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_ATTRINDX(MT_NORMAL_NC))
-#define PROT_NORMAL_WT         (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_ATTRINDX(MT_NORMAL_WT))
-#define PROT_NORMAL            (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_ATTRINDX(MT_NORMAL))
+#define PROT_DEVICE_nGnRnE     (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_DEVICE_nGnRnE))
+#define PROT_DEVICE_nGnRE      (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_DEVICE_nGnRE))
+#define PROT_NORMAL_NC         (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL_NC))
+#define PROT_NORMAL_WT         (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL_WT))
+#define PROT_NORMAL            (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL))
 
 #define PROT_SECT_DEVICE_nGnRE (PROT_SECT_DEFAULT | PMD_SECT_PXN | PMD_SECT_UXN | PMD_ATTRINDX(MT_DEVICE_nGnRE))
 #define PROT_SECT_NORMAL       (PROT_SECT_DEFAULT | PMD_SECT_PXN | PMD_SECT_UXN | PMD_ATTRINDX(MT_NORMAL))
@@ -83,7 +83,7 @@ extern void __pgd_error(const char *file, int line, unsigned long val);
 
 #define PAGE_KERNEL            __pgprot(_PAGE_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE)
 #define PAGE_KERNEL_RO         __pgprot(_PAGE_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_RDONLY)
-#define PAGE_KERNEL_ROX        __pgprot(_PAGE_DEFAULT | PTE_UXN | PTE_DIRTY | PTE_RDONLY)
+#define PAGE_KERNEL_ROX                __pgprot(_PAGE_DEFAULT | PTE_UXN | PTE_DIRTY | PTE_RDONLY)
 #define PAGE_KERNEL_EXEC       __pgprot(_PAGE_DEFAULT | PTE_UXN | PTE_DIRTY | PTE_WRITE)
 #define PAGE_KERNEL_EXEC_CONT  __pgprot(_PAGE_DEFAULT | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_CONT)
 
@@ -155,6 +155,7 @@ extern struct page *empty_zero_page;
 #define pte_write(pte)         (!!(pte_val(pte) & PTE_WRITE))
 #define pte_exec(pte)          (!(pte_val(pte) & PTE_UXN))
 #define pte_cont(pte)          (!!(pte_val(pte) & PTE_CONT))
+#define pte_user(pte)          (!!(pte_val(pte) & PTE_USER))
 
 #ifdef CONFIG_ARM64_HW_AFDBM
 #define pte_hw_dirty(pte)      (pte_write(pte) && !(pte_val(pte) & PTE_RDONLY))
@@ -165,8 +166,6 @@ extern struct page *empty_zero_page;
 #define pte_dirty(pte)         (pte_sw_dirty(pte) || pte_hw_dirty(pte))
 
 #define pte_valid(pte)         (!!(pte_val(pte) & PTE_VALID))
-#define pte_valid_user(pte) \
-       ((pte_val(pte) & (PTE_VALID | PTE_USER)) == (PTE_VALID | PTE_USER))
 #define pte_valid_not_user(pte) \
        ((pte_val(pte) & (PTE_VALID | PTE_USER)) == PTE_VALID)
 
@@ -264,13 +263,13 @@ extern void __sync_icache_dcache(pte_t pteval, unsigned long addr);
 static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
                              pte_t *ptep, pte_t pte)
 {
-       if (pte_valid_user(pte)) {
-               if (!pte_special(pte) && pte_exec(pte))
-                       __sync_icache_dcache(pte, addr);
+       if (pte_present(pte)) {
                if (pte_sw_dirty(pte) && pte_write(pte))
                        pte_val(pte) &= ~PTE_RDONLY;
                else
                        pte_val(pte) |= PTE_RDONLY;
+               if (pte_user(pte) && pte_exec(pte) && !pte_special(pte))
+                       __sync_icache_dcache(pte, addr);
        }
 
        /*
@@ -641,6 +640,7 @@ extern pgd_t idmap_pg_dir[PTRS_PER_PGD];
  *     bits 0-1:       present (must be zero)
  *     bits 2-7:       swap type
  *     bits 8-57:      swap offset
+ *     bit  58:        PTE_PROT_NONE (must be zero)
  */
 #define __SWP_TYPE_SHIFT       2
 #define __SWP_TYPE_BITS                6
index 43686043e29734b47b183882417e309e617d1039..2734c005da213faea5ffc465de094efbd3cc5e78 100644 (file)
@@ -31,6 +31,7 @@
 #define PPC_FEATURE_PSERIES_PERFMON_COMPAT \
                                        0x00000040
 
+/* Reserved - do not use               0x00000004 */
 #define PPC_FEATURE_TRUE_LE            0x00000002
 #define PPC_FEATURE_PPC_LE             0x00000001
 
index 7030b035905dbf85b03bd36fa4bdc2a4a14982de..a15fe1d4e84aec9955622b603823fe44633da98d 100644 (file)
@@ -148,23 +148,25 @@ static struct ibm_pa_feature {
        unsigned long   cpu_features;   /* CPU_FTR_xxx bit */
        unsigned long   mmu_features;   /* MMU_FTR_xxx bit */
        unsigned int    cpu_user_ftrs;  /* PPC_FEATURE_xxx bit */
+       unsigned int    cpu_user_ftrs2; /* PPC_FEATURE2_xxx bit */
        unsigned char   pabyte;         /* byte number in ibm,pa-features */
        unsigned char   pabit;          /* bit number (big-endian) */
        unsigned char   invert;         /* if 1, pa bit set => clear feature */
 } ibm_pa_features[] __initdata = {
-       {0, 0, PPC_FEATURE_HAS_MMU,     0, 0, 0},
-       {0, 0, PPC_FEATURE_HAS_FPU,     0, 1, 0},
-       {CPU_FTR_CTRL, 0, 0,            0, 3, 0},
-       {CPU_FTR_NOEXECUTE, 0, 0,       0, 6, 0},
-       {CPU_FTR_NODSISRALIGN, 0, 0,    1, 1, 1},
-       {0, MMU_FTR_CI_LARGE_PAGE, 0,   1, 2, 0},
-       {CPU_FTR_REAL_LE, PPC_FEATURE_TRUE_LE, 5, 0, 0},
+       {0, 0, PPC_FEATURE_HAS_MMU, 0,          0, 0, 0},
+       {0, 0, PPC_FEATURE_HAS_FPU, 0,          0, 1, 0},
+       {CPU_FTR_CTRL, 0, 0, 0,                 0, 3, 0},
+       {CPU_FTR_NOEXECUTE, 0, 0, 0,            0, 6, 0},
+       {CPU_FTR_NODSISRALIGN, 0, 0, 0,         1, 1, 1},
+       {0, MMU_FTR_CI_LARGE_PAGE, 0, 0,                1, 2, 0},
+       {CPU_FTR_REAL_LE, 0, PPC_FEATURE_TRUE_LE, 0, 5, 0, 0},
        /*
-        * If the kernel doesn't support TM (ie. CONFIG_PPC_TRANSACTIONAL_MEM=n),
-        * we don't want to turn on CPU_FTR_TM here, so we use CPU_FTR_TM_COMP
-        * which is 0 if the kernel doesn't support TM.
+        * If the kernel doesn't support TM (ie CONFIG_PPC_TRANSACTIONAL_MEM=n),
+        * we don't want to turn on TM here, so we use the *_COMP versions
+        * which are 0 if the kernel doesn't support TM.
         */
-       {CPU_FTR_TM_COMP, 0, 0,         22, 0, 0},
+       {CPU_FTR_TM_COMP, 0, 0,
+        PPC_FEATURE2_HTM_COMP|PPC_FEATURE2_HTM_NOSC_COMP, 22, 0, 0},
 };
 
 static void __init scan_features(unsigned long node, const unsigned char *ftrs,
@@ -195,10 +197,12 @@ static void __init scan_features(unsigned long node, const unsigned char *ftrs,
                if (bit ^ fp->invert) {
                        cur_cpu_spec->cpu_features |= fp->cpu_features;
                        cur_cpu_spec->cpu_user_features |= fp->cpu_user_ftrs;
+                       cur_cpu_spec->cpu_user_features2 |= fp->cpu_user_ftrs2;
                        cur_cpu_spec->mmu_features |= fp->mmu_features;
                } else {
                        cur_cpu_spec->cpu_features &= ~fp->cpu_features;
                        cur_cpu_spec->cpu_user_features &= ~fp->cpu_user_ftrs;
+                       cur_cpu_spec->cpu_user_features2 &= ~fp->cpu_user_ftrs2;
                        cur_cpu_spec->mmu_features &= ~fp->mmu_features;
                }
        }
index 2b2ced9dc00a6cb9d749b3d9027d47a8a1d08684..6dafabb6ae1a504a09ce0c1574b6233a26722edf 100644 (file)
@@ -45,7 +45,8 @@ struct zpci_fmb {
        u64 rpcit_ops;
        u64 dma_rbytes;
        u64 dma_wbytes;
-} __packed __aligned(64);
+       u64 pad[2];
+} __packed __aligned(128);
 
 enum zpci_state {
        ZPCI_FN_STATE_RESERVED,
index a841e9765bd614b17befbcf647319e2020412d88..8381c09d28706eec94e976fd9a3b76b7b018889d 100644 (file)
@@ -453,10 +453,10 @@ static int sha_complete_job(struct mcryptd_hash_request_ctx *rctx,
 
                        req = cast_mcryptd_ctx_to_req(req_ctx);
                        if (irqs_disabled())
-                               rctx->complete(&req->base, ret);
+                               req_ctx->complete(&req->base, ret);
                        else {
                                local_bh_disable();
-                               rctx->complete(&req->base, ret);
+                               req_ctx->complete(&req->base, ret);
                                local_bh_enable();
                        }
                }
index f8a29d2c97b012febc3728809a5daa53de22cf0f..e6a8613fbfb0ea19f8d507c4ce6ae1f0d4a35be6 100644 (file)
@@ -4,6 +4,7 @@
 #include <asm/page.h>
 #include <asm-generic/hugetlb.h>
 
+#define hugepages_supported() cpu_has_pse
 
 static inline int is_hugepage_only_range(struct mm_struct *mm,
                                         unsigned long addr,
index 7af2505f20c24f2e5d1a2c59562b78cc5653ed9d..df6b4eeac0bde402207f321491880edfb588ed77 100644 (file)
@@ -254,7 +254,8 @@ static void clear_irq_vector(int irq, struct apic_chip_data *data)
        struct irq_desc *desc;
        int cpu, vector;
 
-       BUG_ON(!data->cfg.vector);
+       if (!data->cfg.vector)
+               return;
 
        vector = data->cfg.vector;
        for_each_cpu_and(cpu, data->domain, cpu_online_mask)
index 0a850100c5944641717c797e5d4f129b2cf9a79f..2658e2af74ec4c3f433b9958b4498d7f7d603fed 100644 (file)
@@ -29,7 +29,7 @@ static char gen_pool_buf[MCE_POOLSZ];
 void mce_gen_pool_process(void)
 {
        struct llist_node *head;
-       struct mce_evt_llist *node;
+       struct mce_evt_llist *node, *tmp;
        struct mce *mce;
 
        head = llist_del_all(&mce_event_llist);
@@ -37,7 +37,7 @@ void mce_gen_pool_process(void)
                return;
 
        head = llist_reverse_order(head);
-       llist_for_each_entry(node, head, llnode) {
+       llist_for_each_entry_safe(node, tmp, head, llnode) {
                mce = &node->mce;
                atomic_notifier_call_chain(&x86_mce_decoder_chain, 0, mce);
                gen_pool_free(mce_evt_pool, (unsigned long)node, sizeof(*node));
index 7eb4ebd3ebead4fe10a76bc5efd3ae0d48b95b5b..605cea75eb0d1862f83e885af1efa55c5582707c 100644 (file)
@@ -697,7 +697,6 @@ static int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr)
                if ((xcr0 & XFEATURE_MASK_AVX512) != XFEATURE_MASK_AVX512)
                        return 1;
        }
-       kvm_put_guest_xcr0(vcpu);
        vcpu->arch.xcr0 = xcr0;
 
        if ((xcr0 ^ old_xcr0) & XFEATURE_MASK_EXTEND)
@@ -6495,8 +6494,6 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
        kvm_x86_ops->prepare_guest_switch(vcpu);
        if (vcpu->fpu_active)
                kvm_load_guest_fpu(vcpu);
-       kvm_load_guest_xcr0(vcpu);
-
        vcpu->mode = IN_GUEST_MODE;
 
        srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
@@ -6519,6 +6516,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
                goto cancel_injection;
        }
 
+       kvm_load_guest_xcr0(vcpu);
+
        if (req_immediate_exit)
                smp_send_reschedule(vcpu->cpu);
 
@@ -6568,6 +6567,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
        vcpu->mode = OUTSIDE_GUEST_MODE;
        smp_wmb();
 
+       kvm_put_guest_xcr0(vcpu);
+
        /* Interrupt is enabled by handle_external_intr() */
        kvm_x86_ops->handle_external_intr(vcpu);
 
@@ -7215,7 +7216,6 @@ void kvm_load_guest_fpu(struct kvm_vcpu *vcpu)
         * and assume host would use all available bits.
         * Guest xcr0 would be loaded later.
         */
-       kvm_put_guest_xcr0(vcpu);
        vcpu->guest_fpu_loaded = 1;
        __kernel_fpu_begin();
        __copy_kernel_to_fpregs(&vcpu->arch.guest_fpu.state);
@@ -7224,8 +7224,6 @@ void kvm_load_guest_fpu(struct kvm_vcpu *vcpu)
 
 void kvm_put_guest_fpu(struct kvm_vcpu *vcpu)
 {
-       kvm_put_guest_xcr0(vcpu);
-
        if (!vcpu->guest_fpu_loaded) {
                vcpu->fpu_counter = 0;
                return;
index 637ab34ed63284d1045f6031104aac7665be6427..ddb2244b06a1d618679d83a9133f72e8d884b3a2 100644 (file)
@@ -33,7 +33,7 @@
 struct kmmio_fault_page {
        struct list_head list;
        struct kmmio_fault_page *release_next;
-       unsigned long page; /* location of the fault page */
+       unsigned long addr; /* the requested address */
        pteval_t old_presence; /* page presence prior to arming */
        bool armed;
 
@@ -70,9 +70,16 @@ unsigned int kmmio_count;
 static struct list_head kmmio_page_table[KMMIO_PAGE_TABLE_SIZE];
 static LIST_HEAD(kmmio_probes);
 
-static struct list_head *kmmio_page_list(unsigned long page)
+static struct list_head *kmmio_page_list(unsigned long addr)
 {
-       return &kmmio_page_table[hash_long(page, KMMIO_PAGE_HASH_BITS)];
+       unsigned int l;
+       pte_t *pte = lookup_address(addr, &l);
+
+       if (!pte)
+               return NULL;
+       addr &= page_level_mask(l);
+
+       return &kmmio_page_table[hash_long(addr, KMMIO_PAGE_HASH_BITS)];
 }
 
 /* Accessed per-cpu */
@@ -98,15 +105,19 @@ static struct kmmio_probe *get_kmmio_probe(unsigned long addr)
 }
 
 /* You must be holding RCU read lock. */
-static struct kmmio_fault_page *get_kmmio_fault_page(unsigned long page)
+static struct kmmio_fault_page *get_kmmio_fault_page(unsigned long addr)
 {
        struct list_head *head;
        struct kmmio_fault_page *f;
+       unsigned int l;
+       pte_t *pte = lookup_address(addr, &l);
 
-       page &= PAGE_MASK;
-       head = kmmio_page_list(page);
+       if (!pte)
+               return NULL;
+       addr &= page_level_mask(l);
+       head = kmmio_page_list(addr);
        list_for_each_entry_rcu(f, head, list) {
-               if (f->page == page)
+               if (f->addr == addr)
                        return f;
        }
        return NULL;
@@ -137,10 +148,10 @@ static void clear_pte_presence(pte_t *pte, bool clear, pteval_t *old)
 static int clear_page_presence(struct kmmio_fault_page *f, bool clear)
 {
        unsigned int level;
-       pte_t *pte = lookup_address(f->page, &level);
+       pte_t *pte = lookup_address(f->addr, &level);
 
        if (!pte) {
-               pr_err("no pte for page 0x%08lx\n", f->page);
+               pr_err("no pte for addr 0x%08lx\n", f->addr);
                return -1;
        }
 
@@ -156,7 +167,7 @@ static int clear_page_presence(struct kmmio_fault_page *f, bool clear)
                return -1;
        }
 
-       __flush_tlb_one(f->page);
+       __flush_tlb_one(f->addr);
        return 0;
 }
 
@@ -176,12 +187,12 @@ static int arm_kmmio_fault_page(struct kmmio_fault_page *f)
        int ret;
        WARN_ONCE(f->armed, KERN_ERR pr_fmt("kmmio page already armed.\n"));
        if (f->armed) {
-               pr_warning("double-arm: page 0x%08lx, ref %d, old %d\n",
-                          f->page, f->count, !!f->old_presence);
+               pr_warning("double-arm: addr 0x%08lx, ref %d, old %d\n",
+                          f->addr, f->count, !!f->old_presence);
        }
        ret = clear_page_presence(f, true);
-       WARN_ONCE(ret < 0, KERN_ERR pr_fmt("arming 0x%08lx failed.\n"),
-                 f->page);
+       WARN_ONCE(ret < 0, KERN_ERR pr_fmt("arming at 0x%08lx failed.\n"),
+                 f->addr);
        f->armed = true;
        return ret;
 }
@@ -191,7 +202,7 @@ static void disarm_kmmio_fault_page(struct kmmio_fault_page *f)
 {
        int ret = clear_page_presence(f, false);
        WARN_ONCE(ret < 0,
-                       KERN_ERR "kmmio disarming 0x%08lx failed.\n", f->page);
+                       KERN_ERR "kmmio disarming at 0x%08lx failed.\n", f->addr);
        f->armed = false;
 }
 
@@ -215,6 +226,12 @@ int kmmio_handler(struct pt_regs *regs, unsigned long addr)
        struct kmmio_context *ctx;
        struct kmmio_fault_page *faultpage;
        int ret = 0; /* default to fault not handled */
+       unsigned long page_base = addr;
+       unsigned int l;
+       pte_t *pte = lookup_address(addr, &l);
+       if (!pte)
+               return -EINVAL;
+       page_base &= page_level_mask(l);
 
        /*
         * Preemption is now disabled to prevent process switch during
@@ -227,7 +244,7 @@ int kmmio_handler(struct pt_regs *regs, unsigned long addr)
        preempt_disable();
        rcu_read_lock();
 
-       faultpage = get_kmmio_fault_page(addr);
+       faultpage = get_kmmio_fault_page(page_base);
        if (!faultpage) {
                /*
                 * Either this page fault is not caused by kmmio, or
@@ -239,7 +256,7 @@ int kmmio_handler(struct pt_regs *regs, unsigned long addr)
 
        ctx = &get_cpu_var(kmmio_ctx);
        if (ctx->active) {
-               if (addr == ctx->addr) {
+               if (page_base == ctx->addr) {
                        /*
                         * A second fault on the same page means some other
                         * condition needs handling by do_page_fault(), the
@@ -267,9 +284,9 @@ int kmmio_handler(struct pt_regs *regs, unsigned long addr)
        ctx->active++;
 
        ctx->fpage = faultpage;
-       ctx->probe = get_kmmio_probe(addr);
+       ctx->probe = get_kmmio_probe(page_base);
        ctx->saved_flags = (regs->flags & (X86_EFLAGS_TF | X86_EFLAGS_IF));
-       ctx->addr = addr;
+       ctx->addr = page_base;
 
        if (ctx->probe && ctx->probe->pre_handler)
                ctx->probe->pre_handler(ctx->probe, regs, addr);
@@ -354,12 +371,11 @@ out:
 }
 
 /* You must be holding kmmio_lock. */
-static int add_kmmio_fault_page(unsigned long page)
+static int add_kmmio_fault_page(unsigned long addr)
 {
        struct kmmio_fault_page *f;
 
-       page &= PAGE_MASK;
-       f = get_kmmio_fault_page(page);
+       f = get_kmmio_fault_page(addr);
        if (f) {
                if (!f->count)
                        arm_kmmio_fault_page(f);
@@ -372,26 +388,25 @@ static int add_kmmio_fault_page(unsigned long page)
                return -1;
 
        f->count = 1;
-       f->page = page;
+       f->addr = addr;
 
        if (arm_kmmio_fault_page(f)) {
                kfree(f);
                return -1;
        }
 
-       list_add_rcu(&f->list, kmmio_page_list(f->page));
+       list_add_rcu(&f->list, kmmio_page_list(f->addr));
 
        return 0;
 }
 
 /* You must be holding kmmio_lock. */
-static void release_kmmio_fault_page(unsigned long page,
+static void release_kmmio_fault_page(unsigned long addr,
                                struct kmmio_fault_page **release_list)
 {
        struct kmmio_fault_page *f;
 
-       page &= PAGE_MASK;
-       f = get_kmmio_fault_page(page);
+       f = get_kmmio_fault_page(addr);
        if (!f)
                return;
 
@@ -420,18 +435,27 @@ int register_kmmio_probe(struct kmmio_probe *p)
        int ret = 0;
        unsigned long size = 0;
        const unsigned long size_lim = p->len + (p->addr & ~PAGE_MASK);
+       unsigned int l;
+       pte_t *pte;
 
        spin_lock_irqsave(&kmmio_lock, flags);
        if (get_kmmio_probe(p->addr)) {
                ret = -EEXIST;
                goto out;
        }
+
+       pte = lookup_address(p->addr, &l);
+       if (!pte) {
+               ret = -EINVAL;
+               goto out;
+       }
+
        kmmio_count++;
        list_add_rcu(&p->list, &kmmio_probes);
        while (size < size_lim) {
                if (add_kmmio_fault_page(p->addr + size))
                        pr_err("Unable to set page fault.\n");
-               size += PAGE_SIZE;
+               size += page_level_size(l);
        }
 out:
        spin_unlock_irqrestore(&kmmio_lock, flags);
@@ -506,11 +530,17 @@ void unregister_kmmio_probe(struct kmmio_probe *p)
        const unsigned long size_lim = p->len + (p->addr & ~PAGE_MASK);
        struct kmmio_fault_page *release_list = NULL;
        struct kmmio_delayed_release *drelease;
+       unsigned int l;
+       pte_t *pte;
+
+       pte = lookup_address(p->addr, &l);
+       if (!pte)
+               return;
 
        spin_lock_irqsave(&kmmio_lock, flags);
        while (size < size_lim) {
                release_kmmio_fault_page(p->addr + size, &release_list);
-               size += PAGE_SIZE;
+               size += page_level_size(l);
        }
        list_del_rcu(&p->list);
        kmmio_count--;
index 746935a5973ca6c76b8f66cfff8d58ce50566994..a241e3900bc91d330002a39afe7febf3819c0650 100644 (file)
@@ -349,15 +349,20 @@ struct hd_struct *add_partition(struct gendisk *disk, int partno,
                        goto out_del;
        }
 
+       err = hd_ref_init(p);
+       if (err) {
+               if (flags & ADDPART_FLAG_WHOLEDISK)
+                       goto out_remove_file;
+               goto out_del;
+       }
+
        /* everything is up and running, commence */
        rcu_assign_pointer(ptbl->part[partno], p);
 
        /* suppress uevent if the disk suppresses it */
        if (!dev_get_uevent_suppress(ddev))
                kobject_uevent(&pdev->kobj, KOBJ_ADD);
-
-       if (!hd_ref_init(p))
-               return p;
+       return p;
 
 out_free_info:
        free_part_info(p);
@@ -366,6 +371,8 @@ out_free_stats:
 out_free:
        kfree(p);
        return ERR_PTR(err);
+out_remove_file:
+       device_remove_file(pdev, &dev_attr_whole_disk);
 out_del:
        kobject_put(p->holder_dir);
        device_del(pdev);
index 65f50eccd49b0aa4b6801912fd8d21a73f79a7b9..a48824deabc53c24acb23f5e0732399526fd459e 100644 (file)
@@ -1381,7 +1381,7 @@ int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd,
 
        mutex_lock(&genpd->lock);
 
-       if (!list_empty(&subdomain->slave_links) || subdomain->device_count) {
+       if (!list_empty(&subdomain->master_links) || subdomain->device_count) {
                pr_warn("%s: unable to remove subdomain %s\n", genpd->name,
                        subdomain->name);
                ret = -EBUSY;
index 423f4ca7d712dda6f012c32954f19c9ce3af9d9c..80cf8add46ff3667d896fca88aaea3fbf338ad27 100644 (file)
@@ -488,6 +488,12 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd,
        bvec = __bvec_iter_bvec(bio->bi_io_vec, bio->bi_iter);
        iov_iter_bvec(&iter, ITER_BVEC | rw, bvec,
                      bio_segments(bio), blk_rq_bytes(cmd->rq));
+       /*
+        * This bio may be started from the middle of the 'bvec'
+        * because of bio splitting, so offset from the bvec must
+        * be passed to iov iterator
+        */
+       iter.iov_offset = bio->bi_iter.bi_bvec_done;
 
        cmd->iocb.ki_pos = pos;
        cmd->iocb.ki_filp = file;
index 562b5a4ca7b712f6b2b4440375904d8be1ac5200..78a39f736c64f7edb6eb5d721e391d9e25f4a113 100644 (file)
 */
 #include <linux/types.h>
 
-static bool verbose = 0;
+static int verbose = 0;
 static int major = PD_MAJOR;
 static char *name = PD_NAME;
 static int cluster = 64;
@@ -161,7 +161,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_GEO, D_SBY, D_DLY, D_SLV};
 static DEFINE_MUTEX(pd_mutex);
 static DEFINE_SPINLOCK(pd_lock);
 
-module_param(verbose, bool, 0);
+module_param(verbose, int, 0);
 module_param(major, int, 0);
 module_param(name, charp, 0);
 module_param(cluster, int, 0);
index 1740d75e8a3239d80ed1580e96fe92028da2f827..216a94fed5b420bd59627643730d3284308367e7 100644 (file)
 
 */
 
-static bool verbose = 0;
+static int verbose = 0;
 static int major = PT_MAJOR;
 static char *name = PT_NAME;
 static int disable = 0;
@@ -152,7 +152,7 @@ static int (*drives[4])[6] = {&drive0, &drive1, &drive2, &drive3};
 
 #include <asm/uaccess.h>
 
-module_param(verbose, bool, 0);
+module_param(verbose, int, 0);
 module_param(major, int, 0);
 module_param(name, charp, 0);
 module_param_array(drive0, int, NULL, 0);
index e98d15eaa7994c7349d1db8df4dd19f684b85ba6..1827fc4d15c1a710103c4daf7a62a6067989422a 100644 (file)
@@ -150,7 +150,7 @@ static int __init weim_parse_dt(struct platform_device *pdev,
                        return ret;
        }
 
-       for_each_child_of_node(pdev->dev.of_node, child) {
+       for_each_available_child_of_node(pdev->dev.of_node, child) {
                if (!child->name)
                        continue;
 
index 98fb8821382d8fc145c6bf9227b62236fdabedb1..f53b02a6bc05b935f7ed9d8b9b5ff12d50eacc34 100644 (file)
@@ -667,6 +667,11 @@ static int core_get_max_pstate(void)
                        if (err)
                                goto skip_tar;
 
+                       /* For level 1 and 2, bits[23:16] contain the ratio */
+                       if (tdp_ctrl)
+                               tdp_ratio >>= 16;
+
+                       tdp_ratio &= 0xff; /* ratios are only 8 bits long */
                        if (tdp_ratio - 1 == tar) {
                                max_pstate = tar;
                                pr_debug("max_pstate=TAC %x\n", max_pstate);
index 3d9acc53d2473818d1e37c4af432a4afcbdf4ec4..60fc0fa26fd3b19ab557888d9bd6e61c208fe0f6 100644 (file)
@@ -225,6 +225,9 @@ static int ccp_aes_cmac_export(struct ahash_request *req, void *out)
        struct ccp_aes_cmac_req_ctx *rctx = ahash_request_ctx(req);
        struct ccp_aes_cmac_exp_ctx state;
 
+       /* Don't let anything leak to 'out' */
+       memset(&state, 0, sizeof(state));
+
        state.null_msg = rctx->null_msg;
        memcpy(state.iv, rctx->iv, sizeof(state.iv));
        state.buf_count = rctx->buf_count;
index 8ef06fad8b141487a5546d33a509b3f0a40ba079..ab9945f2cb7a1383703240025beb0a4dea4abec9 100644 (file)
@@ -212,6 +212,9 @@ static int ccp_sha_export(struct ahash_request *req, void *out)
        struct ccp_sha_req_ctx *rctx = ahash_request_ctx(req);
        struct ccp_sha_exp_ctx state;
 
+       /* Don't let anything leak to 'out' */
+       memset(&state, 0, sizeof(state));
+
        state.type = rctx->type;
        state.msg_bits = rctx->msg_bits;
        state.first = rctx->first;
index b6f9f42e2985b476ecc63ac16f648535be0cddc2..a04fea4d00637a7fa5bbab8dc701e9ea54e6dd79 100644 (file)
@@ -63,6 +63,14 @@ static void to_talitos_ptr(struct talitos_ptr *ptr, dma_addr_t dma_addr,
                ptr->eptr = upper_32_bits(dma_addr);
 }
 
+static void copy_talitos_ptr(struct talitos_ptr *dst_ptr,
+                            struct talitos_ptr *src_ptr, bool is_sec1)
+{
+       dst_ptr->ptr = src_ptr->ptr;
+       if (!is_sec1)
+               dst_ptr->eptr = src_ptr->eptr;
+}
+
 static void to_talitos_ptr_len(struct talitos_ptr *ptr, unsigned int len,
                               bool is_sec1)
 {
@@ -1083,21 +1091,20 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
        sg_count = dma_map_sg(dev, areq->src, edesc->src_nents ?: 1,
                              (areq->src == areq->dst) ? DMA_BIDIRECTIONAL
                                                           : DMA_TO_DEVICE);
-
        /* hmac data */
        desc->ptr[1].len = cpu_to_be16(areq->assoclen);
        if (sg_count > 1 &&
            (ret = sg_to_link_tbl_offset(areq->src, sg_count, 0,
                                         areq->assoclen,
                                         &edesc->link_tbl[tbl_off])) > 1) {
-               tbl_off += ret;
-
                to_talitos_ptr(&desc->ptr[1], edesc->dma_link_tbl + tbl_off *
                               sizeof(struct talitos_ptr), 0);
                desc->ptr[1].j_extent = DESC_PTR_LNKTBL_JUMP;
 
                dma_sync_single_for_device(dev, edesc->dma_link_tbl,
                                           edesc->dma_len, DMA_BIDIRECTIONAL);
+
+               tbl_off += ret;
        } else {
                to_talitos_ptr(&desc->ptr[1], sg_dma_address(areq->src), 0);
                desc->ptr[1].j_extent = 0;
@@ -1126,11 +1133,13 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
        if (edesc->desc.hdr & DESC_HDR_MODE1_MDEU_CICV)
                sg_link_tbl_len += authsize;
 
-       if (sg_count > 1 &&
-           (ret = sg_to_link_tbl_offset(areq->src, sg_count, areq->assoclen,
-                                        sg_link_tbl_len,
-                                        &edesc->link_tbl[tbl_off])) > 1) {
-               tbl_off += ret;
+       if (sg_count == 1) {
+               to_talitos_ptr(&desc->ptr[4], sg_dma_address(areq->src) +
+                              areq->assoclen, 0);
+       } else if ((ret = sg_to_link_tbl_offset(areq->src, sg_count,
+                                               areq->assoclen, sg_link_tbl_len,
+                                               &edesc->link_tbl[tbl_off])) >
+                  1) {
                desc->ptr[4].j_extent |= DESC_PTR_LNKTBL_JUMP;
                to_talitos_ptr(&desc->ptr[4], edesc->dma_link_tbl +
                                              tbl_off *
@@ -1138,8 +1147,10 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
                dma_sync_single_for_device(dev, edesc->dma_link_tbl,
                                           edesc->dma_len,
                                           DMA_BIDIRECTIONAL);
-       } else
-               to_talitos_ptr(&desc->ptr[4], sg_dma_address(areq->src), 0);
+               tbl_off += ret;
+       } else {
+               copy_talitos_ptr(&desc->ptr[4], &edesc->link_tbl[tbl_off], 0);
+       }
 
        /* cipher out */
        desc->ptr[5].len = cpu_to_be16(cryptlen);
@@ -1151,11 +1162,13 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
 
        edesc->icv_ool = false;
 
-       if (sg_count > 1 &&
-           (sg_count = sg_to_link_tbl_offset(areq->dst, sg_count,
+       if (sg_count == 1) {
+               to_talitos_ptr(&desc->ptr[5], sg_dma_address(areq->dst) +
+                              areq->assoclen, 0);
+       } else if ((sg_count =
+                       sg_to_link_tbl_offset(areq->dst, sg_count,
                                              areq->assoclen, cryptlen,
-                                             &edesc->link_tbl[tbl_off])) >
-           1) {
+                                             &edesc->link_tbl[tbl_off])) > 1) {
                struct talitos_ptr *tbl_ptr = &edesc->link_tbl[tbl_off];
 
                to_talitos_ptr(&desc->ptr[5], edesc->dma_link_tbl +
@@ -1178,8 +1191,9 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
                                           edesc->dma_len, DMA_BIDIRECTIONAL);
 
                edesc->icv_ool = true;
-       } else
-               to_talitos_ptr(&desc->ptr[5], sg_dma_address(areq->dst), 0);
+       } else {
+               copy_talitos_ptr(&desc->ptr[5], &edesc->link_tbl[tbl_off], 0);
+       }
 
        /* iv out */
        map_single_talitos_ptr(dev, &desc->ptr[6], ivsize, ctx->iv,
@@ -2519,21 +2533,11 @@ struct talitos_crypto_alg {
        struct talitos_alg_template algt;
 };
 
-static int talitos_cra_init(struct crypto_tfm *tfm)
+static int talitos_init_common(struct talitos_ctx *ctx,
+                              struct talitos_crypto_alg *talitos_alg)
 {
-       struct crypto_alg *alg = tfm->__crt_alg;
-       struct talitos_crypto_alg *talitos_alg;
-       struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
        struct talitos_private *priv;
 
-       if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_AHASH)
-               talitos_alg = container_of(__crypto_ahash_alg(alg),
-                                          struct talitos_crypto_alg,
-                                          algt.alg.hash);
-       else
-               talitos_alg = container_of(alg, struct talitos_crypto_alg,
-                                          algt.alg.crypto);
-
        /* update context with ptr to dev */
        ctx->dev = talitos_alg->dev;
 
@@ -2551,10 +2555,33 @@ static int talitos_cra_init(struct crypto_tfm *tfm)
        return 0;
 }
 
+static int talitos_cra_init(struct crypto_tfm *tfm)
+{
+       struct crypto_alg *alg = tfm->__crt_alg;
+       struct talitos_crypto_alg *talitos_alg;
+       struct talitos_ctx *ctx = crypto_tfm_ctx(tfm);
+
+       if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_AHASH)
+               talitos_alg = container_of(__crypto_ahash_alg(alg),
+                                          struct talitos_crypto_alg,
+                                          algt.alg.hash);
+       else
+               talitos_alg = container_of(alg, struct talitos_crypto_alg,
+                                          algt.alg.crypto);
+
+       return talitos_init_common(ctx, talitos_alg);
+}
+
 static int talitos_cra_init_aead(struct crypto_aead *tfm)
 {
-       talitos_cra_init(crypto_aead_tfm(tfm));
-       return 0;
+       struct aead_alg *alg = crypto_aead_alg(tfm);
+       struct talitos_crypto_alg *talitos_alg;
+       struct talitos_ctx *ctx = crypto_aead_ctx(tfm);
+
+       talitos_alg = container_of(alg, struct talitos_crypto_alg,
+                                  algt.alg.aead);
+
+       return talitos_init_common(ctx, talitos_alg);
 }
 
 static int talitos_cra_init_ahash(struct crypto_tfm *tfm)
index 4f099ea29f83e991349892d91f15c7d0f07d8e38..c66133b5e852ea94a17671dd93ebcdfeaa770931 100644 (file)
@@ -130,26 +130,14 @@ static void dwc_desc_put(struct dw_dma_chan *dwc, struct dw_desc *desc)
 static void dwc_initialize(struct dw_dma_chan *dwc)
 {
        struct dw_dma *dw = to_dw_dma(dwc->chan.device);
-       struct dw_dma_slave *dws = dwc->chan.private;
        u32 cfghi = DWC_CFGH_FIFO_MODE;
        u32 cfglo = DWC_CFGL_CH_PRIOR(dwc->priority);
 
        if (dwc->initialized == true)
                return;
 
-       if (dws) {
-               /*
-                * We need controller-specific data to set up slave
-                * transfers.
-                */
-               BUG_ON(!dws->dma_dev || dws->dma_dev != dw->dma.dev);
-
-               cfghi |= DWC_CFGH_DST_PER(dws->dst_id);
-               cfghi |= DWC_CFGH_SRC_PER(dws->src_id);
-       } else {
-               cfghi |= DWC_CFGH_DST_PER(dwc->dst_id);
-               cfghi |= DWC_CFGH_SRC_PER(dwc->src_id);
-       }
+       cfghi |= DWC_CFGH_DST_PER(dwc->dst_id);
+       cfghi |= DWC_CFGH_SRC_PER(dwc->src_id);
 
        channel_writel(dwc, CFG_LO, cfglo);
        channel_writel(dwc, CFG_HI, cfghi);
@@ -936,7 +924,7 @@ bool dw_dma_filter(struct dma_chan *chan, void *param)
        struct dw_dma_chan *dwc = to_dw_dma_chan(chan);
        struct dw_dma_slave *dws = param;
 
-       if (!dws || dws->dma_dev != chan->device->dev)
+       if (dws->dma_dev != chan->device->dev)
                return false;
 
        /* We have to copy data since dws can be temporary storage */
@@ -1160,6 +1148,14 @@ static int dwc_alloc_chan_resources(struct dma_chan *chan)
         * doesn't mean what you think it means), and status writeback.
         */
 
+       /*
+        * We need controller-specific data to set up slave transfers.
+        */
+       if (chan->private && !dw_dma_filter(chan, chan->private)) {
+               dev_warn(chan2dev(chan), "Wrong controller-specific data\n");
+               return -EINVAL;
+       }
+
        /* Enable controller here if needed */
        if (!dw->in_use)
                dw_dma_on(dw);
@@ -1221,6 +1217,14 @@ static void dwc_free_chan_resources(struct dma_chan *chan)
        spin_lock_irqsave(&dwc->lock, flags);
        list_splice_init(&dwc->free_list, &list);
        dwc->descs_allocated = 0;
+
+       /* Clear custom channel configuration */
+       dwc->src_id = 0;
+       dwc->dst_id = 0;
+
+       dwc->src_master = 0;
+       dwc->dst_master = 0;
+
        dwc->initialized = false;
 
        /* Disable interrupts */
index 823ad728aecff9b0e2b9810a6aad297bb1bb7d54..efc02b98e6bafe6bc802a530c2e2d508f12dd86d 100644 (file)
@@ -135,7 +135,7 @@ static u32 hsu_dma_chan_get_sr(struct hsu_dma_chan *hsuc)
        sr = hsu_chan_readl(hsuc, HSU_CH_SR);
        spin_unlock_irqrestore(&hsuc->vchan.lock, flags);
 
-       return sr;
+       return sr & ~(HSU_CH_SR_DESCE_ANY | HSU_CH_SR_CDESC_ANY);
 }
 
 irqreturn_t hsu_dma_irq(struct hsu_dma_chip *chip, unsigned short nr)
index f06579c6d548d0b11b83204d0f04494d001db2d3..26da2865b02558b48d19e7faac39481ecd622911 100644 (file)
@@ -41,6 +41,9 @@
 #define HSU_CH_SR_DESCTO(x)    BIT(8 + (x))
 #define HSU_CH_SR_DESCTO_ANY   (BIT(11) | BIT(10) | BIT(9) | BIT(8))
 #define HSU_CH_SR_CHE          BIT(15)
+#define HSU_CH_SR_DESCE(x)     BIT(16 + (x))
+#define HSU_CH_SR_DESCE_ANY    (BIT(19) | BIT(18) | BIT(17) | BIT(16))
+#define HSU_CH_SR_CDESC_ANY    (BIT(31) | BIT(30))
 
 /* Bits in HSU_CH_CR */
 #define HSU_CH_CR_CHA          BIT(0)
index a59061e4221ad1528bcdb919a0b651b025e4d91f..55f5d33f6dc70c5f3a1f2b89d045da4194287fce 100644 (file)
@@ -122,6 +122,7 @@ struct pxad_chan {
 struct pxad_device {
        struct dma_device               slave;
        int                             nr_chans;
+       int                             nr_requestors;
        void __iomem                    *base;
        struct pxad_phy                 *phys;
        spinlock_t                      phy_lock;       /* Phy association */
@@ -473,7 +474,7 @@ static void pxad_free_phy(struct pxad_chan *chan)
                return;
 
        /* clear the channel mapping in DRCMR */
-       if (chan->drcmr <= DRCMR_CHLNUM) {
+       if (chan->drcmr <= pdev->nr_requestors) {
                reg = pxad_drcmr(chan->drcmr);
                writel_relaxed(0, chan->phy->base + reg);
        }
@@ -509,6 +510,7 @@ static bool is_running_chan_misaligned(struct pxad_chan *chan)
 
 static void phy_enable(struct pxad_phy *phy, bool misaligned)
 {
+       struct pxad_device *pdev;
        u32 reg, dalgn;
 
        if (!phy->vchan)
@@ -518,7 +520,8 @@ static void phy_enable(struct pxad_phy *phy, bool misaligned)
                "%s(); phy=%p(%d) misaligned=%d\n", __func__,
                phy, phy->idx, misaligned);
 
-       if (phy->vchan->drcmr <= DRCMR_CHLNUM) {
+       pdev = to_pxad_dev(phy->vchan->vc.chan.device);
+       if (phy->vchan->drcmr <= pdev->nr_requestors) {
                reg = pxad_drcmr(phy->vchan->drcmr);
                writel_relaxed(DRCMR_MAPVLD | phy->idx, phy->base + reg);
        }
@@ -914,6 +917,7 @@ static void pxad_get_config(struct pxad_chan *chan,
 {
        u32 maxburst = 0, dev_addr = 0;
        enum dma_slave_buswidth width = DMA_SLAVE_BUSWIDTH_UNDEFINED;
+       struct pxad_device *pdev = to_pxad_dev(chan->vc.chan.device);
 
        *dcmd = 0;
        if (dir == DMA_DEV_TO_MEM) {
@@ -922,7 +926,7 @@ static void pxad_get_config(struct pxad_chan *chan,
                dev_addr = chan->cfg.src_addr;
                *dev_src = dev_addr;
                *dcmd |= PXA_DCMD_INCTRGADDR;
-               if (chan->drcmr <= DRCMR_CHLNUM)
+               if (chan->drcmr <= pdev->nr_requestors)
                        *dcmd |= PXA_DCMD_FLOWSRC;
        }
        if (dir == DMA_MEM_TO_DEV) {
@@ -931,7 +935,7 @@ static void pxad_get_config(struct pxad_chan *chan,
                dev_addr = chan->cfg.dst_addr;
                *dev_dst = dev_addr;
                *dcmd |= PXA_DCMD_INCSRCADDR;
-               if (chan->drcmr <= DRCMR_CHLNUM)
+               if (chan->drcmr <= pdev->nr_requestors)
                        *dcmd |= PXA_DCMD_FLOWTRG;
        }
        if (dir == DMA_MEM_TO_MEM)
@@ -1341,13 +1345,15 @@ static struct dma_chan *pxad_dma_xlate(struct of_phandle_args *dma_spec,
 
 static int pxad_init_dmadev(struct platform_device *op,
                            struct pxad_device *pdev,
-                           unsigned int nr_phy_chans)
+                           unsigned int nr_phy_chans,
+                           unsigned int nr_requestors)
 {
        int ret;
        unsigned int i;
        struct pxad_chan *c;
 
        pdev->nr_chans = nr_phy_chans;
+       pdev->nr_requestors = nr_requestors;
        INIT_LIST_HEAD(&pdev->slave.channels);
        pdev->slave.device_alloc_chan_resources = pxad_alloc_chan_resources;
        pdev->slave.device_free_chan_resources = pxad_free_chan_resources;
@@ -1382,7 +1388,7 @@ static int pxad_probe(struct platform_device *op)
        const struct of_device_id *of_id;
        struct mmp_dma_platdata *pdata = dev_get_platdata(&op->dev);
        struct resource *iores;
-       int ret, dma_channels = 0;
+       int ret, dma_channels = 0, nb_requestors = 0;
        const enum dma_slave_buswidth widths =
                DMA_SLAVE_BUSWIDTH_1_BYTE   | DMA_SLAVE_BUSWIDTH_2_BYTES |
                DMA_SLAVE_BUSWIDTH_4_BYTES;
@@ -1399,13 +1405,23 @@ static int pxad_probe(struct platform_device *op)
                return PTR_ERR(pdev->base);
 
        of_id = of_match_device(pxad_dt_ids, &op->dev);
-       if (of_id)
+       if (of_id) {
                of_property_read_u32(op->dev.of_node, "#dma-channels",
                                     &dma_channels);
-       else if (pdata && pdata->dma_channels)
+               ret = of_property_read_u32(op->dev.of_node, "#dma-requests",
+                                          &nb_requestors);
+               if (ret) {
+                       dev_warn(pdev->slave.dev,
+                                "#dma-requests set to default 32 as missing in OF: %d",
+                                ret);
+                       nb_requestors = 32;
+               };
+       } else if (pdata && pdata->dma_channels) {
                dma_channels = pdata->dma_channels;
-       else
+               nb_requestors = pdata->nb_requestors;
+       } else {
                dma_channels = 32;      /* default 32 channel */
+       }
 
        dma_cap_set(DMA_SLAVE, pdev->slave.cap_mask);
        dma_cap_set(DMA_MEMCPY, pdev->slave.cap_mask);
@@ -1422,7 +1438,7 @@ static int pxad_probe(struct platform_device *op)
        pdev->slave.residue_granularity = DMA_RESIDUE_GRANULARITY_DESCRIPTOR;
 
        pdev->slave.dev = &op->dev;
-       ret = pxad_init_dmadev(op, pdev, dma_channels);
+       ret = pxad_init_dmadev(op, pdev, dma_channels, nb_requestors);
        if (ret) {
                dev_err(pdev->slave.dev, "unable to register\n");
                return ret;
@@ -1441,7 +1457,8 @@ static int pxad_probe(struct platform_device *op)
 
        platform_set_drvdata(op, pdev);
        pxad_init_debugfs(pdev);
-       dev_info(pdev->slave.dev, "initialized %d channels\n", dma_channels);
+       dev_info(pdev->slave.dev, "initialized %d channels on %d requestors\n",
+                dma_channels, nb_requestors);
        return 0;
 }
 
index 01087a38da226d08bd7e08da5a183885fbf420b1..792bdae2b91dfcf28a8a7fca199212d4990aa8af 100644 (file)
@@ -1866,7 +1866,7 @@ static int i7core_mce_check_error(struct notifier_block *nb, unsigned long val,
 
        i7_dev = get_i7core_dev(mce->socketid);
        if (!i7_dev)
-               return NOTIFY_BAD;
+               return NOTIFY_DONE;
 
        mci = i7_dev->mci;
        pvt = mci->pvt_info;
index cbee3179ec0897bd5cde628c9c6eea47bee1c498..37649221f81cace9767458769aa5b05f8a5fa8a5 100644 (file)
@@ -1396,7 +1396,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
        }
 
        ch_way = TAD_CH(reg) + 1;
-       sck_way = 1 << TAD_SOCK(reg);
+       sck_way = TAD_SOCK(reg);
 
        if (ch_way == 3)
                idx = addr >> 6;
@@ -1435,7 +1435,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
                switch(ch_way) {
                case 2:
                case 4:
-                       sck_xch = 1 << sck_way * (ch_way >> 1);
+                       sck_xch = (1 << sck_way) * (ch_way >> 1);
                        break;
                default:
                        sprintf(msg, "Invalid mirror set. Can't decode addr");
@@ -1471,7 +1471,7 @@ static int get_memory_error_data(struct mem_ctl_info *mci,
 
        ch_addr = addr - offset;
        ch_addr >>= (6 + shiftup);
-       ch_addr /= ch_way * sck_way;
+       ch_addr /= sck_xch;
        ch_addr <<= (6 + shiftup);
        ch_addr |= addr & ((1 << (6 + shiftup)) - 1);
 
@@ -2254,7 +2254,7 @@ static int sbridge_mce_check_error(struct notifier_block *nb, unsigned long val,
 
        mci = get_mci_for_node_id(mce->socketid);
        if (!mci)
-               return NOTIFY_BAD;
+               return NOTIFY_DONE;
        pvt = mci->pvt_info;
 
        /*
index 9f9ea334399c19044908f2ebe241e79166123fa5..b6cb30d207be16f064a093813b70f32f6f344f75 100644 (file)
@@ -803,7 +803,7 @@ static int max77843_muic_probe(struct platform_device *pdev)
        /* Clear IRQ bits before request IRQs */
        ret = regmap_bulk_read(max77843->regmap_muic,
                        MAX77843_MUIC_REG_INT1, info->status,
-                       MAX77843_MUIC_IRQ_NUM);
+                       MAX77843_MUIC_STATUS_NUM);
        if (ret) {
                dev_err(&pdev->dev, "Failed to Clear IRQ bits\n");
                goto err_muic_irq;
index 027ca212179f7f81276733d0bda6b97a636c6770..3b52677f459ae24b2dd2dcd75b0c4fe95beeb64c 100644 (file)
@@ -180,6 +180,7 @@ static int generic_ops_register(void)
 {
        generic_ops.get_variable = efi.get_variable;
        generic_ops.set_variable = efi.set_variable;
+       generic_ops.set_variable_nonblocking = efi.set_variable_nonblocking;
        generic_ops.get_next_variable = efi.get_next_variable;
        generic_ops.query_variable_store = efi_query_variable_store;
 
index 7f2ea21c730dd76a86f3ab5a1e253878878960a7..6f182fd91a6d0dbf713f7b56c4449dda8b795b77 100644 (file)
@@ -202,29 +202,44 @@ static const struct variable_validate variable_validate[] = {
        { NULL_GUID, "", NULL },
 };
 
+/*
+ * Check if @var_name matches the pattern given in @match_name.
+ *
+ * @var_name: an array of @len non-NUL characters.
+ * @match_name: a NUL-terminated pattern string, optionally ending in "*". A
+ *              final "*" character matches any trailing characters @var_name,
+ *              including the case when there are none left in @var_name.
+ * @match: on output, the number of non-wildcard characters in @match_name
+ *         that @var_name matches, regardless of the return value.
+ * @return: whether @var_name fully matches @match_name.
+ */
 static bool
 variable_matches(const char *var_name, size_t len, const char *match_name,
                 int *match)
 {
        for (*match = 0; ; (*match)++) {
                char c = match_name[*match];
-               char u = var_name[*match];
 
-               /* Wildcard in the matching name means we've matched */
-               if (c == '*')
+               switch (c) {
+               case '*':
+                       /* Wildcard in @match_name means we've matched. */
                        return true;
 
-               /* Case sensitive match */
-               if (!c && *match == len)
-                       return true;
+               case '\0':
+                       /* @match_name has ended. Has @var_name too? */
+                       return (*match == len);
 
-               if (c != u)
+               default:
+                       /*
+                        * We've reached a non-wildcard char in @match_name.
+                        * Continue only if there's an identical character in
+                        * @var_name.
+                        */
+                       if (*match < len && c == var_name[*match])
+                               continue;
                        return false;
-
-               if (!c)
-                       return true;
+               }
        }
-       return true;
 }
 
 bool
index bb1099c549dfbe643428b99c0ac33489028a9558..053fc2f465dfe663df9c75205e9806fa51c6d497 100644 (file)
@@ -1673,6 +1673,7 @@ struct amdgpu_uvd {
        struct amdgpu_bo        *vcpu_bo;
        void                    *cpu_addr;
        uint64_t                gpu_addr;
+       unsigned                fw_version;
        atomic_t                handles[AMDGPU_MAX_UVD_HANDLES];
        struct drm_file         *filp[AMDGPU_MAX_UVD_HANDLES];
        struct delayed_work     idle_work;
index 8ac49812a71622b586a7eb1a9a54e44dc5bcb59d..5a8fbadbd27b4ca0ed663f4ad9cad804b9aae87f 100644 (file)
@@ -63,10 +63,6 @@ bool amdgpu_has_atpx(void) {
        return amdgpu_atpx_priv.atpx_detected;
 }
 
-bool amdgpu_has_atpx_dgpu_power_cntl(void) {
-       return amdgpu_atpx_priv.atpx.functions.power_cntl;
-}
-
 /**
  * amdgpu_atpx_call - call an ATPX method
  *
@@ -146,6 +142,10 @@ static void amdgpu_atpx_parse_functions(struct amdgpu_atpx_functions *f, u32 mas
  */
 static int amdgpu_atpx_validate(struct amdgpu_atpx *atpx)
 {
+       /* make sure required functions are enabled */
+       /* dGPU power control is required */
+       atpx->functions.power_cntl = true;
+
        if (atpx->functions.px_params) {
                union acpi_object *info;
                struct atpx_px_params output;
index 9d88023df836e84220218bd63dcf48be8430b2f3..c961fe093e12fb3d7fc4f71b358ef594bfc8621c 100644 (file)
@@ -61,12 +61,6 @@ static const char *amdgpu_asic_name[] = {
        "LAST",
 };
 
-#if defined(CONFIG_VGA_SWITCHEROO)
-bool amdgpu_has_atpx_dgpu_power_cntl(void);
-#else
-static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
-#endif
-
 bool amdgpu_device_is_px(struct drm_device *dev)
 {
        struct amdgpu_device *adev = dev->dev_private;
@@ -1475,7 +1469,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 
        if (amdgpu_runtime_pm == 1)
                runtime = true;
-       if (amdgpu_device_is_px(ddev) && amdgpu_has_atpx_dgpu_power_cntl())
+       if (amdgpu_device_is_px(ddev))
                runtime = true;
        vga_switcheroo_register_client(adev->pdev, &amdgpu_switcheroo_ops, runtime);
        if (runtime)
index e23843f4d877be7813a1574db0f855847f9aa591..4488e82f87b01475a43a789280c6f809452530df 100644 (file)
@@ -303,7 +303,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
                        fw_info.feature = adev->vce.fb_version;
                        break;
                case AMDGPU_INFO_FW_UVD:
-                       fw_info.ver = 0;
+                       fw_info.ver = adev->uvd.fw_version;
                        fw_info.feature = 0;
                        break;
                case AMDGPU_INFO_FW_GMC:
index 064ebb3470748619e0b43ff7bfe2671a58c50bbd..89df7871653d1773cc8739eb2b700671a4e6d110 100644 (file)
@@ -52,7 +52,7 @@ struct amdgpu_hpd;
 
 #define AMDGPU_MAX_HPD_PINS 6
 #define AMDGPU_MAX_CRTCS 6
-#define AMDGPU_MAX_AFMT_BLOCKS 7
+#define AMDGPU_MAX_AFMT_BLOCKS 9
 
 enum amdgpu_rmx_type {
        RMX_OFF,
@@ -308,8 +308,8 @@ struct amdgpu_mode_info {
        struct atom_context *atom_context;
        struct card_info *atom_card_info;
        bool mode_config_initialized;
-       struct amdgpu_crtc *crtcs[6];
-       struct amdgpu_afmt *afmt[7];
+       struct amdgpu_crtc *crtcs[AMDGPU_MAX_CRTCS];
+       struct amdgpu_afmt *afmt[AMDGPU_MAX_AFMT_BLOCKS];
        /* DVI-I properties */
        struct drm_property *coherent_mode_property;
        /* DAC enable load detect */
index 53f987aeeacff5a4b48663850c7a413d64a9ba76..3b35ad83867ccd15af7e1a15eb57576db4e03577 100644 (file)
@@ -156,6 +156,9 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
        DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n",
                version_major, version_minor, family_id);
 
+       adev->uvd.fw_version = ((version_major << 24) | (version_minor << 16) |
+                               (family_id << 8));
+
        bo_size = AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8)
                 +  AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE;
        r = amdgpu_bo_create(adev, bo_size, PAGE_SIZE, true,
@@ -273,6 +276,8 @@ int amdgpu_uvd_resume(struct amdgpu_device *adev)
        memcpy(adev->uvd.cpu_addr, (adev->uvd.fw->data) + offset,
                (adev->uvd.fw->size) - offset);
 
+       cancel_delayed_work_sync(&adev->uvd.idle_work);
+
        size = amdgpu_bo_size(adev->uvd.vcpu_bo);
        size -= le32_to_cpu(hdr->ucode_size_bytes);
        ptr = adev->uvd.cpu_addr;
index a745eeeb5d8200f6b92e259c655b10b658c4cad5..bb0da76051a18f2bd9941617d0f0635ccdce990e 100644 (file)
@@ -220,6 +220,7 @@ int amdgpu_vce_suspend(struct amdgpu_device *adev)
        if (i == AMDGPU_MAX_VCE_HANDLES)
                return 0;
 
+       cancel_delayed_work_sync(&adev->vce.idle_work);
        /* TODO: suspending running encoding sessions isn't supported */
        return -EINVAL;
 }
index aa491540ba85bebbcf70c1d4d1be4b088026b9c9..94630076460912123f946339c1cafe843df49413 100644 (file)
@@ -3628,7 +3628,7 @@ static void gfx_v7_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
                                        unsigned vm_id, uint64_t pd_addr)
 {
        int usepfp = (ring->type == AMDGPU_RING_TYPE_GFX);
-       uint32_t seq = ring->fence_drv.sync_seq;
+       uint32_t seq = ring->fence_drv.sync_seq[ring->idx];
        uint64_t addr = ring->fence_drv.gpu_addr;
 
        amdgpu_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
index c34c393e9aea0c2dfe3442c28a72f2206fbcd7fb..d5e19b5fbbfb00d1fbbcd1066da0ac4f12424ec3 100644 (file)
@@ -513,7 +513,7 @@ static int dbgdev_wave_control_set_registers(
                                union SQ_CMD_BITS *in_reg_sq_cmd,
                                union GRBM_GFX_INDEX_BITS *in_reg_gfx_index)
 {
-       int status;
+       int status = 0;
        union SQ_CMD_BITS reg_sq_cmd;
        union GRBM_GFX_INDEX_BITS reg_gfx_index;
        struct HsaDbgWaveMsgAMDGen2 *pMsg;
index 39d7e2e15c11e4603d8c889cc48bc507729b495d..d268bf18a662c960335445c5d4bd2da7c5bc885f 100644 (file)
@@ -1665,13 +1665,19 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr,
        struct drm_dp_mst_branch *mstb;
        int len, ret, port_num;
 
+       port = drm_dp_get_validated_port_ref(mgr, port);
+       if (!port)
+               return -EINVAL;
+
        port_num = port->port_num;
        mstb = drm_dp_get_validated_mstb_ref(mgr, port->parent);
        if (!mstb) {
                mstb = drm_dp_get_last_connected_port_and_mstb(mgr, port->parent, &port_num);
 
-               if (!mstb)
+               if (!mstb) {
+                       drm_dp_put_port(port);
                        return -EINVAL;
+               }
        }
 
        txmsg = kzalloc(sizeof(*txmsg), GFP_KERNEL);
@@ -1697,6 +1703,7 @@ static int drm_dp_payload_send_msg(struct drm_dp_mst_topology_mgr *mgr,
        kfree(txmsg);
 fail_put:
        drm_dp_put_mst_branch_device(mstb);
+       drm_dp_put_port(port);
        return ret;
 }
 
@@ -1779,6 +1786,11 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr)
                req_payload.start_slot = cur_slots;
                if (mgr->proposed_vcpis[i]) {
                        port = container_of(mgr->proposed_vcpis[i], struct drm_dp_mst_port, vcpi);
+                       port = drm_dp_get_validated_port_ref(mgr, port);
+                       if (!port) {
+                               mutex_unlock(&mgr->payload_lock);
+                               return -EINVAL;
+                       }
                        req_payload.num_slots = mgr->proposed_vcpis[i]->num_slots;
                } else {
                        port = NULL;
@@ -1804,6 +1816,9 @@ int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr)
                        mgr->payloads[i].payload_state = req_payload.payload_state;
                }
                cur_slots += req_payload.num_slots;
+
+               if (port)
+                       drm_dp_put_port(port);
        }
 
        for (i = 0; i < mgr->max_payloads; i++) {
@@ -2109,6 +2124,8 @@ int drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr)
 
        if (mgr->mst_primary) {
                int sret;
+               u8 guid[16];
+
                sret = drm_dp_dpcd_read(mgr->aux, DP_DPCD_REV, mgr->dpcd, DP_RECEIVER_CAP_SIZE);
                if (sret != DP_RECEIVER_CAP_SIZE) {
                        DRM_DEBUG_KMS("dpcd read failed - undocked during suspend?\n");
@@ -2123,6 +2140,16 @@ int drm_dp_mst_topology_mgr_resume(struct drm_dp_mst_topology_mgr *mgr)
                        ret = -1;
                        goto out_unlock;
                }
+
+               /* Some hubs forget their guids after they resume */
+               sret = drm_dp_dpcd_read(mgr->aux, DP_GUID, guid, 16);
+               if (sret != 16) {
+                       DRM_DEBUG_KMS("dpcd read failed - undocked during suspend?\n");
+                       ret = -1;
+                       goto out_unlock;
+               }
+               drm_dp_check_mstb_guid(mgr->mst_primary, guid);
+
                ret = 0;
        } else
                ret = -1;
index f859a5b87ed46599c87c2050271c31d9a8eeea07..afa81691163d38a556b3b86b9be8b156c45eef4d 100644 (file)
@@ -4447,7 +4447,7 @@ int skl_update_scaler_crtc(struct intel_crtc_state *state)
                      intel_crtc->base.base.id, intel_crtc->pipe, SKL_CRTC_INDEX);
 
        return skl_update_scaler(state, !state->base.active, SKL_CRTC_INDEX,
-               &state->scaler_state.scaler_id, DRM_ROTATE_0,
+               &state->scaler_state.scaler_id, BIT(DRM_ROTATE_0),
                state->pipe_src_w, state->pipe_src_h,
                adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay);
 }
index 0639275fc47180bcab24f15badc3ac181010e9a4..06bd9257acdc2b83c8d6d839640da52b5ef765a2 100644 (file)
@@ -477,6 +477,8 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
        struct intel_connector *intel_connector = to_intel_connector(connector);
        struct drm_device *dev = connector->dev;
 
+       intel_connector->unregister(intel_connector);
+
        /* need to nuke the connector */
        drm_modeset_lock_all(dev);
        if (connector->state->crtc) {
@@ -490,11 +492,7 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
 
                WARN(ret, "Disabling mst crtc failed with %i\n", ret);
        }
-       drm_modeset_unlock_all(dev);
 
-       intel_connector->unregister(intel_connector);
-
-       drm_modeset_lock_all(dev);
        intel_connector_remove_from_fbdev(intel_connector);
        drm_connector_cleanup(connector);
        drm_modeset_unlock_all(dev);
index d69547a65dbb95599c400e864b95c779863ef995..7058f75c7b4291c26522491110679327326d0258 100644 (file)
@@ -776,11 +776,11 @@ static int logical_ring_prepare(struct drm_i915_gem_request *req, int bytes)
                if (unlikely(total_bytes > remain_usable)) {
                        /*
                         * The base request will fit but the reserved space
-                        * falls off the end. So only need to to wait for the
-                        * reserved size after flushing out the remainder.
+                        * falls off the end. So don't need an immediate wrap
+                        * and only need to effectively wait for the reserved
+                        * size space from the start of ringbuffer.
                         */
                        wait_bytes = remain_actual + ringbuf->reserved_size;
-                       need_wrap = true;
                } else if (total_bytes > ringbuf->space) {
                        /* No wrapping required, just waiting. */
                        wait_bytes = total_bytes;
index f6b2a814e629117a14067b0cbe58dddffcff4b91..9d48443bca2e7542f8ce51f5b2ca1f4dbc4244a3 100644 (file)
@@ -1922,6 +1922,17 @@ i915_dispatch_execbuffer(struct drm_i915_gem_request *req,
        return 0;
 }
 
+static void cleanup_phys_status_page(struct intel_engine_cs *ring)
+{
+       struct drm_i915_private *dev_priv = to_i915(ring->dev);
+
+       if (!dev_priv->status_page_dmah)
+               return;
+
+       drm_pci_free(ring->dev, dev_priv->status_page_dmah);
+       ring->status_page.page_addr = NULL;
+}
+
 static void cleanup_status_page(struct intel_engine_cs *ring)
 {
        struct drm_i915_gem_object *obj;
@@ -1938,9 +1949,9 @@ static void cleanup_status_page(struct intel_engine_cs *ring)
 
 static int init_status_page(struct intel_engine_cs *ring)
 {
-       struct drm_i915_gem_object *obj;
+       struct drm_i915_gem_object *obj = ring->status_page.obj;
 
-       if ((obj = ring->status_page.obj) == NULL) {
+       if (obj == NULL) {
                unsigned flags;
                int ret;
 
@@ -2134,7 +2145,7 @@ static int intel_init_ring_buffer(struct drm_device *dev,
                if (ret)
                        goto error;
        } else {
-               BUG_ON(ring->id != RCS);
+               WARN_ON(ring->id != RCS);
                ret = init_phys_status_page(ring);
                if (ret)
                        goto error;
@@ -2179,7 +2190,12 @@ void intel_cleanup_ring_buffer(struct intel_engine_cs *ring)
        if (ring->cleanup)
                ring->cleanup(ring);
 
-       cleanup_status_page(ring);
+       if (I915_NEED_GFX_HWS(ring->dev)) {
+               cleanup_status_page(ring);
+       } else {
+               WARN_ON(ring->id != RCS);
+               cleanup_phys_status_page(ring);
+       }
 
        i915_cmd_parser_fini_ring(ring);
        i915_gem_batch_pool_fini(&ring->batch_pool);
@@ -2341,11 +2357,11 @@ static int __intel_ring_prepare(struct intel_engine_cs *ring, int bytes)
                if (unlikely(total_bytes > remain_usable)) {
                        /*
                         * The base request will fit but the reserved space
-                        * falls off the end. So only need to to wait for the
-                        * reserved size after flushing out the remainder.
+                        * falls off the end. So don't need an immediate wrap
+                        * and only need to effectively wait for the reserved
+                        * size space from the start of ringbuffer.
                         */
                        wait_bytes = remain_actual + ringbuf->reserved_size;
-                       need_wrap = true;
                } else if (total_bytes > ringbuf->space) {
                        /* No wrapping required, just waiting. */
                        wait_bytes = total_bytes;
index 43cba129a0c000efd32bbf84ea59992d1d913905..cc91ae832ffb4fa734786dd2144513f31de491d4 100644 (file)
@@ -1132,7 +1132,11 @@ static void intel_uncore_fw_domains_init(struct drm_device *dev)
        } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
                dev_priv->uncore.funcs.force_wake_get =
                        fw_domains_get_with_thread_status;
-               dev_priv->uncore.funcs.force_wake_put = fw_domains_put;
+               if (IS_HASWELL(dev))
+                       dev_priv->uncore.funcs.force_wake_put =
+                               fw_domains_put_with_fifo;
+               else
+                       dev_priv->uncore.funcs.force_wake_put = fw_domains_put;
                fw_domain_init(dev_priv, FW_DOMAIN_ID_RENDER,
                               FORCEWAKE_MT, FORCEWAKE_ACK_HSW);
        } else if (IS_IVYBRIDGE(dev)) {
index 3216e157a8a0d17c62e6c7f75e5df8b9b0d99b9d..89da47234016b8bb4c6a0906e2f32cfee9a1b04f 100644 (file)
@@ -131,7 +131,7 @@ nvkm_ramht_del(struct nvkm_ramht **pramht)
        struct nvkm_ramht *ramht = *pramht;
        if (ramht) {
                nvkm_gpuobj_del(&ramht->gpuobj);
-               kfree(*pramht);
+               vfree(*pramht);
                *pramht = NULL;
        }
 }
@@ -143,8 +143,8 @@ nvkm_ramht_new(struct nvkm_device *device, u32 size, u32 align,
        struct nvkm_ramht *ramht;
        int ret, i;
 
-       if (!(ramht = *pramht = kzalloc(sizeof(*ramht) + (size >> 3) *
-                                       sizeof(*ramht->data), GFP_KERNEL)))
+       if (!(ramht = *pramht = vzalloc(sizeof(*ramht) +
+                                       (size >> 3) * sizeof(*ramht->data))))
                return -ENOMEM;
 
        ramht->device = device;
index 9f5dfc85147a50df62f30fdb84453c18a622380e..36655a74c538a133f62fb7f879a1a72ae3775fc0 100644 (file)
@@ -1717,6 +1717,8 @@ gf100_gr_init(struct gf100_gr *gr)
 
        gf100_gr_mmio(gr, gr->func->mmio);
 
+       nvkm_mask(device, TPC_UNIT(0, 0, 0x05c), 0x00000001, 0x00000001);
+
        memcpy(tpcnr, gr->tpc_nr, sizeof(gr->tpc_nr));
        for (i = 0, gpc = -1; i < gr->tpc_total; i++) {
                do {
index 183aea1abebc4afe5ad28f4694bc92ccc788ee8d..5edebf495c07827795174163fc3bcbf96e2ce7b2 100644 (file)
@@ -375,10 +375,15 @@ static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
 
        qxl_bo_kunmap(user_bo);
 
+       qcrtc->cur_x += qcrtc->hot_spot_x - hot_x;
+       qcrtc->cur_y += qcrtc->hot_spot_y - hot_y;
+       qcrtc->hot_spot_x = hot_x;
+       qcrtc->hot_spot_y = hot_y;
+
        cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
        cmd->type = QXL_CURSOR_SET;
-       cmd->u.set.position.x = qcrtc->cur_x;
-       cmd->u.set.position.y = qcrtc->cur_y;
+       cmd->u.set.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
+       cmd->u.set.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
 
        cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);
 
@@ -441,8 +446,8 @@ static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
 
        cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
        cmd->type = QXL_CURSOR_MOVE;
-       cmd->u.position.x = qcrtc->cur_x;
-       cmd->u.position.y = qcrtc->cur_y;
+       cmd->u.position.x = qcrtc->cur_x + qcrtc->hot_spot_x;
+       cmd->u.position.y = qcrtc->cur_y + qcrtc->hot_spot_y;
        qxl_release_unmap(qdev, release, &cmd->release_info);
 
        qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
index 01a86948eb8cd6007a1db70785b714df9bc9cbb1..3ab90179e9ab9075db3d29d8b3ea55084f0b077c 100644 (file)
@@ -135,6 +135,8 @@ struct qxl_crtc {
        int index;
        int cur_x;
        int cur_y;
+       int hot_spot_x;
+       int hot_spot_y;
 };
 
 struct qxl_output {
index 2ad462896896b017402688352428082b6925df7b..32491355a1d415833a5517148478af82e493aa0d 100644 (file)
@@ -2608,10 +2608,152 @@ static void evergreen_agp_enable(struct radeon_device *rdev)
        WREG32(VM_CONTEXT1_CNTL, 0);
 }
 
+static const unsigned ni_dig_offsets[] =
+{
+       NI_DIG0_REGISTER_OFFSET,
+       NI_DIG1_REGISTER_OFFSET,
+       NI_DIG2_REGISTER_OFFSET,
+       NI_DIG3_REGISTER_OFFSET,
+       NI_DIG4_REGISTER_OFFSET,
+       NI_DIG5_REGISTER_OFFSET
+};
+
+static const unsigned ni_tx_offsets[] =
+{
+       NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1,
+       NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1,
+       NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1,
+       NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1,
+       NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1,
+       NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1
+};
+
+static const unsigned evergreen_dp_offsets[] =
+{
+       EVERGREEN_DP0_REGISTER_OFFSET,
+       EVERGREEN_DP1_REGISTER_OFFSET,
+       EVERGREEN_DP2_REGISTER_OFFSET,
+       EVERGREEN_DP3_REGISTER_OFFSET,
+       EVERGREEN_DP4_REGISTER_OFFSET,
+       EVERGREEN_DP5_REGISTER_OFFSET
+};
+
+
+/*
+ * Assumption is that EVERGREEN_CRTC_MASTER_EN enable for requested crtc
+ * We go from crtc to connector and it is not relible  since it
+ * should be an opposite direction .If crtc is enable then
+ * find the dig_fe which selects this crtc and insure that it enable.
+ * if such dig_fe is found then find dig_be which selects found dig_be and
+ * insure that it enable and in DP_SST mode.
+ * if UNIPHY_PLL_CONTROL1.enable then we should disconnect timing
+ * from dp symbols clocks .
+ */
+static bool evergreen_is_dp_sst_stream_enabled(struct radeon_device *rdev,
+                                              unsigned crtc_id, unsigned *ret_dig_fe)
+{
+       unsigned i;
+       unsigned dig_fe;
+       unsigned dig_be;
+       unsigned dig_en_be;
+       unsigned uniphy_pll;
+       unsigned digs_fe_selected;
+       unsigned dig_be_mode;
+       unsigned dig_fe_mask;
+       bool is_enabled = false;
+       bool found_crtc = false;
+
+       /* loop through all running dig_fe to find selected crtc */
+       for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
+               dig_fe = RREG32(NI_DIG_FE_CNTL + ni_dig_offsets[i]);
+               if (dig_fe & NI_DIG_FE_CNTL_SYMCLK_FE_ON &&
+                   crtc_id == NI_DIG_FE_CNTL_SOURCE_SELECT(dig_fe)) {
+                       /* found running pipe */
+                       found_crtc = true;
+                       dig_fe_mask = 1 << i;
+                       dig_fe = i;
+                       break;
+               }
+       }
+
+       if (found_crtc) {
+               /* loop through all running dig_be to find selected dig_fe */
+               for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
+                       dig_be = RREG32(NI_DIG_BE_CNTL + ni_dig_offsets[i]);
+                       /* if dig_fe_selected by dig_be? */
+                       digs_fe_selected = NI_DIG_BE_CNTL_FE_SOURCE_SELECT(dig_be);
+                       dig_be_mode = NI_DIG_FE_CNTL_MODE(dig_be);
+                       if (dig_fe_mask &  digs_fe_selected &&
+                           /* if dig_be in sst mode? */
+                           dig_be_mode == NI_DIG_BE_DPSST) {
+                               dig_en_be = RREG32(NI_DIG_BE_EN_CNTL +
+                                                  ni_dig_offsets[i]);
+                               uniphy_pll = RREG32(NI_DCIO_UNIPHY0_PLL_CONTROL1 +
+                                                   ni_tx_offsets[i]);
+                               /* dig_be enable and tx is running */
+                               if (dig_en_be & NI_DIG_BE_EN_CNTL_ENABLE &&
+                                   dig_en_be & NI_DIG_BE_EN_CNTL_SYMBCLK_ON &&
+                                   uniphy_pll & NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE) {
+                                       is_enabled = true;
+                                       *ret_dig_fe = dig_fe;
+                                       break;
+                               }
+                       }
+               }
+       }
+
+       return is_enabled;
+}
+
+/*
+ * Blank dig when in dp sst mode
+ * Dig ignores crtc timing
+ */
+static void evergreen_blank_dp_output(struct radeon_device *rdev,
+                                     unsigned dig_fe)
+{
+       unsigned stream_ctrl;
+       unsigned fifo_ctrl;
+       unsigned counter = 0;
+
+       if (dig_fe >= ARRAY_SIZE(evergreen_dp_offsets)) {
+               DRM_ERROR("invalid dig_fe %d\n", dig_fe);
+               return;
+       }
+
+       stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
+                            evergreen_dp_offsets[dig_fe]);
+       if (!(stream_ctrl & EVERGREEN_DP_VID_STREAM_CNTL_ENABLE)) {
+               DRM_ERROR("dig %d , should be enable\n", dig_fe);
+               return;
+       }
+
+       stream_ctrl &=~EVERGREEN_DP_VID_STREAM_CNTL_ENABLE;
+       WREG32(EVERGREEN_DP_VID_STREAM_CNTL +
+              evergreen_dp_offsets[dig_fe], stream_ctrl);
+
+       stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
+                            evergreen_dp_offsets[dig_fe]);
+       while (counter < 32 && stream_ctrl & EVERGREEN_DP_VID_STREAM_STATUS) {
+               msleep(1);
+               counter++;
+               stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
+                                    evergreen_dp_offsets[dig_fe]);
+       }
+       if (counter >= 32 )
+               DRM_ERROR("counter exceeds %d\n", counter);
+
+       fifo_ctrl = RREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe]);
+       fifo_ctrl |= EVERGREEN_DP_STEER_FIFO_RESET;
+       WREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe], fifo_ctrl);
+
+}
+
 void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
 {
        u32 crtc_enabled, tmp, frame_count, blackout;
        int i, j;
+       unsigned dig_fe;
 
        if (!ASIC_IS_NODCE(rdev)) {
                save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
@@ -2651,7 +2793,17 @@ void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *sav
                                        break;
                                udelay(1);
                        }
-
+                       /*we should disable dig if it drives dp sst*/
+                       /*but we are in radeon_device_init and the topology is unknown*/
+                       /*and it is available after radeon_modeset_init*/
+                       /*the following method radeon_atom_encoder_dpms_dig*/
+                       /*does the job if we initialize it properly*/
+                       /*for now we do it this manually*/
+                       /**/
+                       if (ASIC_IS_DCE5(rdev) &&
+                           evergreen_is_dp_sst_stream_enabled(rdev, i ,&dig_fe))
+                               evergreen_blank_dp_output(rdev, dig_fe);
+                       /*we could remove 6 lines below*/
                        /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
                        WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
                        tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
index aa939dfed3a36586fc814f7077ef24332ab2b684..b436badf9efa356e00b80adee5cda4f191c5b537 100644 (file)
 
 /* HDMI blocks at 0x7030, 0x7c30, 0x10830, 0x11430, 0x12030, 0x12c30 */
 #define EVERGREEN_HDMI_BASE                            0x7030
+/*DIG block*/
+#define NI_DIG0_REGISTER_OFFSET                 (0x7000  - 0x7000)
+#define NI_DIG1_REGISTER_OFFSET                 (0x7C00  - 0x7000)
+#define NI_DIG2_REGISTER_OFFSET                 (0x10800 - 0x7000)
+#define NI_DIG3_REGISTER_OFFSET                 (0x11400 - 0x7000)
+#define NI_DIG4_REGISTER_OFFSET                 (0x12000 - 0x7000)
+#define NI_DIG5_REGISTER_OFFSET                 (0x12C00 - 0x7000)
+
+
+#define NI_DIG_FE_CNTL                               0x7000
+#       define NI_DIG_FE_CNTL_SOURCE_SELECT(x)        ((x) & 0x3)
+#       define NI_DIG_FE_CNTL_SYMCLK_FE_ON            (1<<24)
+
+
+#define NI_DIG_BE_CNTL                    0x7140
+#       define NI_DIG_BE_CNTL_FE_SOURCE_SELECT(x)     (((x) >> 8 ) & 0x3F)
+#       define NI_DIG_FE_CNTL_MODE(x)                 (((x) >> 16) & 0x7 )
+
+#define NI_DIG_BE_EN_CNTL                              0x7144
+#       define NI_DIG_BE_EN_CNTL_ENABLE               (1 << 0)
+#       define NI_DIG_BE_EN_CNTL_SYMBCLK_ON           (1 << 8)
+#       define NI_DIG_BE_DPSST 0
 
 /* Display Port block */
+#define EVERGREEN_DP0_REGISTER_OFFSET                 (0x730C  - 0x730C)
+#define EVERGREEN_DP1_REGISTER_OFFSET                 (0x7F0C  - 0x730C)
+#define EVERGREEN_DP2_REGISTER_OFFSET                 (0x10B0C - 0x730C)
+#define EVERGREEN_DP3_REGISTER_OFFSET                 (0x1170C - 0x730C)
+#define EVERGREEN_DP4_REGISTER_OFFSET                 (0x1230C - 0x730C)
+#define EVERGREEN_DP5_REGISTER_OFFSET                 (0x12F0C - 0x730C)
+
+
+#define EVERGREEN_DP_VID_STREAM_CNTL                    0x730C
+#       define EVERGREEN_DP_VID_STREAM_CNTL_ENABLE     (1 << 0)
+#       define EVERGREEN_DP_VID_STREAM_STATUS          (1 <<16)
+#define EVERGREEN_DP_STEER_FIFO                         0x7310
+#       define EVERGREEN_DP_STEER_FIFO_RESET           (1 << 0)
 #define EVERGREEN_DP_SEC_CNTL                           0x7280
 #       define EVERGREEN_DP_SEC_STREAM_ENABLE           (1 << 0)
 #       define EVERGREEN_DP_SEC_ASP_ENABLE              (1 << 4)
 #       define EVERGREEN_DP_SEC_N_BASE_MULTIPLE(x)      (((x) & 0xf) << 24)
 #       define EVERGREEN_DP_SEC_SS_EN                   (1 << 28)
 
+/*DCIO_UNIPHY block*/
+#define NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1            (0x6600  -0x6600)
+#define NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1            (0x6640  -0x6600)
+#define NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1            (0x6680 - 0x6600)
+#define NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1            (0x66C0 - 0x6600)
+#define NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1            (0x6700 - 0x6600)
+#define NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1            (0x6740 - 0x6600)
+
+#define NI_DCIO_UNIPHY0_PLL_CONTROL1                   0x6618
+#       define NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE     (1 << 0)
+
 #endif
index 9bc408c9f9f628874d9b4d6b7db8d48838d5096c..c4b4f298a2831a2ca3723bebe3ef8834bc6a6f3c 100644 (file)
@@ -62,10 +62,6 @@ bool radeon_has_atpx(void) {
        return radeon_atpx_priv.atpx_detected;
 }
 
-bool radeon_has_atpx_dgpu_power_cntl(void) {
-       return radeon_atpx_priv.atpx.functions.power_cntl;
-}
-
 /**
  * radeon_atpx_call - call an ATPX method
  *
@@ -145,6 +141,10 @@ static void radeon_atpx_parse_functions(struct radeon_atpx_functions *f, u32 mas
  */
 static int radeon_atpx_validate(struct radeon_atpx *atpx)
 {
+       /* make sure required functions are enabled */
+       /* dGPU power control is required */
+       atpx->functions.power_cntl = true;
+
        if (atpx->functions.px_params) {
                union acpi_object *info;
                struct atpx_px_params output;
index 340f3f549f295314788fbf9b3052880b8095a7f1..9cfc1c3e19657c10432029b95431902e47db2879 100644 (file)
@@ -1996,10 +1996,12 @@ radeon_add_atom_connector(struct drm_device *dev,
                                                   rdev->mode_info.dither_property,
                                                   RADEON_FMT_DITHER_DISABLE);
 
-                       if (radeon_audio != 0)
+                       if (radeon_audio != 0) {
                                drm_object_attach_property(&radeon_connector->base.base,
                                                           rdev->mode_info.audio_property,
                                                           RADEON_AUDIO_AUTO);
+                               radeon_connector->audio = RADEON_AUDIO_AUTO;
+                       }
                        if (ASIC_IS_DCE5(rdev))
                                drm_object_attach_property(&radeon_connector->base.base,
                                                           rdev->mode_info.output_csc_property,
@@ -2124,6 +2126,7 @@ radeon_add_atom_connector(struct drm_device *dev,
                                drm_object_attach_property(&radeon_connector->base.base,
                                                           rdev->mode_info.audio_property,
                                                           RADEON_AUDIO_AUTO);
+                               radeon_connector->audio = RADEON_AUDIO_AUTO;
                        }
                        if (connector_type == DRM_MODE_CONNECTOR_DVII) {
                                radeon_connector->dac_load_detect = true;
@@ -2179,6 +2182,7 @@ radeon_add_atom_connector(struct drm_device *dev,
                                drm_object_attach_property(&radeon_connector->base.base,
                                                           rdev->mode_info.audio_property,
                                                           RADEON_AUDIO_AUTO);
+                               radeon_connector->audio = RADEON_AUDIO_AUTO;
                        }
                        if (ASIC_IS_DCE5(rdev))
                                drm_object_attach_property(&radeon_connector->base.base,
@@ -2231,6 +2235,7 @@ radeon_add_atom_connector(struct drm_device *dev,
                                drm_object_attach_property(&radeon_connector->base.base,
                                                           rdev->mode_info.audio_property,
                                                           RADEON_AUDIO_AUTO);
+                               radeon_connector->audio = RADEON_AUDIO_AUTO;
                        }
                        if (ASIC_IS_DCE5(rdev))
                                drm_object_attach_property(&radeon_connector->base.base,
index f78f111e68de114022d87cd48157c5bbf10b4fb2..c566993a2ec3bcbe393ff14d079b0134f0426c7d 100644 (file)
@@ -103,12 +103,6 @@ static const char radeon_family_name[][16] = {
        "LAST",
 };
 
-#if defined(CONFIG_VGA_SWITCHEROO)
-bool radeon_has_atpx_dgpu_power_cntl(void);
-#else
-static inline bool radeon_has_atpx_dgpu_power_cntl(void) { return false; }
-#endif
-
 #define RADEON_PX_QUIRK_DISABLE_PX  (1 << 0)
 #define RADEON_PX_QUIRK_LONG_WAKEUP (1 << 1)
 
@@ -1439,7 +1433,7 @@ int radeon_device_init(struct radeon_device *rdev,
         * ignore it */
        vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode);
 
-       if ((rdev->flags & RADEON_IS_PX) && radeon_has_atpx_dgpu_power_cntl())
+       if (rdev->flags & RADEON_IS_PX)
                runtime = true;
        vga_switcheroo_register_client(rdev->pdev, &radeon_switcheroo_ops, runtime);
        if (runtime)
index e06ac546a90ff185a31f64b4ce6e9fd76d071adc..f342aad79cc6d2debc95269ac2552750647d28d2 100644 (file)
@@ -235,6 +235,8 @@ static int radeon_verify_access(struct ttm_buffer_object *bo, struct file *filp)
 {
        struct radeon_bo *rbo = container_of(bo, struct radeon_bo, tbo);
 
+       if (radeon_ttm_tt_has_userptr(bo->ttm))
+               return -EPERM;
        return drm_vma_node_verify_access(&rbo->gem_base.vma_node, filp);
 }
 
index 7285adb270990e097c63f29d49e4c757e9832d6d..caa73de584a53dd8ca9f26cdb6ca97d4f17c6b41 100644 (file)
@@ -2931,6 +2931,7 @@ static struct si_dpm_quirk si_dpm_quirk_list[] = {
        { PCI_VENDOR_ID_ATI, 0x6811, 0x1462, 0x2015, 0, 120000 },
        { PCI_VENDOR_ID_ATI, 0x6811, 0x1043, 0x2015, 0, 120000 },
        { PCI_VENDOR_ID_ATI, 0x6811, 0x148c, 0x2015, 0, 120000 },
+       { PCI_VENDOR_ID_ATI, 0x6810, 0x1682, 0x9275, 0, 120000 },
        { 0, 0, 0, 0 },
 };
 
index 83e9f591a54b356150a7e2090e9a14473b6f96a0..e7a348807f0cb2ce91fd48e2d133f034830763be 100644 (file)
@@ -1,6 +1,7 @@
 config STM
        tristate "System Trace Module devices"
        select CONFIGFS_FS
+       select SRCU
        help
          A System Trace Module (STM) is a device exporting data in System
          Trace Protocol (STP) format as defined by MIPI STP standards.
index 714bdc837769fdc74fdf9208c18d0568ecc653ae..b167ab25310a3b53797a8604d0adf360d91fb3e9 100644 (file)
@@ -116,8 +116,8 @@ struct cpm_i2c {
        cbd_t __iomem *rbase;
        u_char *txbuf[CPM_MAXBD];
        u_char *rxbuf[CPM_MAXBD];
-       u32 txdma[CPM_MAXBD];
-       u32 rxdma[CPM_MAXBD];
+       dma_addr_t txdma[CPM_MAXBD];
+       dma_addr_t rxdma[CPM_MAXBD];
 };
 
 static irqreturn_t cpm_i2c_interrupt(int irq, void *dev_id)
index b29c7500461a72c051b29dc2822f28afbf248b35..f54ece8fce781865336caca2e43abb301a69b62c 100644 (file)
@@ -671,7 +671,9 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap,
                return -EIO;
        }
 
-       clk_prepare_enable(i2c->clk);
+       ret = clk_enable(i2c->clk);
+       if (ret)
+               return ret;
 
        for (i = 0; i < num; i++, msgs++) {
                stop = (i == num - 1);
@@ -695,7 +697,7 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap,
        }
 
  out:
-       clk_disable_unprepare(i2c->clk);
+       clk_disable(i2c->clk);
        return ret;
 }
 
@@ -747,7 +749,9 @@ static int exynos5_i2c_probe(struct platform_device *pdev)
                return -ENOENT;
        }
 
-       clk_prepare_enable(i2c->clk);
+       ret = clk_prepare_enable(i2c->clk);
+       if (ret)
+               return ret;
 
        mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        i2c->regs = devm_ioremap_resource(&pdev->dev, mem);
@@ -799,6 +803,10 @@ static int exynos5_i2c_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, i2c);
 
+       clk_disable(i2c->clk);
+
+       return 0;
+
  err_clk:
        clk_disable_unprepare(i2c->clk);
        return ret;
@@ -810,6 +818,8 @@ static int exynos5_i2c_remove(struct platform_device *pdev)
 
        i2c_del_adapter(&i2c->adap);
 
+       clk_unprepare(i2c->clk);
+
        return 0;
 }
 
@@ -821,6 +831,8 @@ static int exynos5_i2c_suspend_noirq(struct device *dev)
 
        i2c->suspended = 1;
 
+       clk_unprepare(i2c->clk);
+
        return 0;
 }
 
@@ -830,7 +842,9 @@ static int exynos5_i2c_resume_noirq(struct device *dev)
        struct exynos5_i2c *i2c = platform_get_drvdata(pdev);
        int ret = 0;
 
-       clk_prepare_enable(i2c->clk);
+       ret = clk_prepare_enable(i2c->clk);
+       if (ret)
+               return ret;
 
        ret = exynos5_hsi2c_clock_setup(i2c);
        if (ret) {
@@ -839,7 +853,7 @@ static int exynos5_i2c_resume_noirq(struct device *dev)
        }
 
        exynos5_i2c_init(i2c);
-       clk_disable_unprepare(i2c->clk);
+       clk_disable(i2c->clk);
        i2c->suspended = 0;
 
        return 0;
index 6b4e8a008bc0418f3ad54728b73e03e6e8d6e1fa..564adf3116e875ba3a599959b1c37db77333e8a1 100644 (file)
@@ -48,6 +48,7 @@
 
 #include <asm/uaccess.h>
 
+#include <rdma/ib.h>
 #include <rdma/ib_cm.h>
 #include <rdma/ib_user_cm.h>
 #include <rdma/ib_marshall.h>
@@ -1103,6 +1104,9 @@ static ssize_t ib_ucm_write(struct file *filp, const char __user *buf,
        struct ib_ucm_cmd_hdr hdr;
        ssize_t result;
 
+       if (WARN_ON_ONCE(!ib_safe_file_access(filp)))
+               return -EACCES;
+
        if (len < sizeof(hdr))
                return -EINVAL;
 
index 8b5a934e1133d80b42e12d1790b3672d73e4a779..886f61ea6cc7d2f58e8d8c739c511ccd7dc78df7 100644 (file)
@@ -1574,6 +1574,9 @@ static ssize_t ucma_write(struct file *filp, const char __user *buf,
        struct rdma_ucm_cmd_hdr hdr;
        ssize_t ret;
 
+       if (WARN_ON_ONCE(!ib_safe_file_access(filp)))
+               return -EACCES;
+
        if (len < sizeof(hdr))
                return -EINVAL;
 
index e3ef28861be63dd453d0fd1b55ec21f939919624..24f3ca2c4ad761bf639eb2933c30387c25377c21 100644 (file)
@@ -48,6 +48,8 @@
 
 #include <asm/uaccess.h>
 
+#include <rdma/ib.h>
+
 #include "uverbs.h"
 
 MODULE_AUTHOR("Roland Dreier");
@@ -682,6 +684,9 @@ static ssize_t ib_uverbs_write(struct file *filp, const char __user *buf,
        int srcu_key;
        ssize_t ret;
 
+       if (WARN_ON_ONCE(!ib_safe_file_access(filp)))
+               return -EACCES;
+
        if (count < sizeof hdr)
                return -EINVAL;
 
index c4e0915283904e034ffdb05be18420c9eac7fba8..721d63f5b461092a9ca41210696111f1a67ef410 100644 (file)
@@ -273,7 +273,7 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
                     sizeof(struct mlx5_wqe_ctrl_seg)) /
                     sizeof(struct mlx5_wqe_data_seg);
        props->max_sge = min(max_rq_sg, max_sq_sg);
-       props->max_sge_rd = props->max_sge;
+       props->max_sge_rd          = MLX5_MAX_SGE_RD;
        props->max_cq              = 1 << MLX5_CAP_GEN(mdev, log_max_cq);
        props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1;
        props->max_mr              = 1 << MLX5_CAP_GEN(mdev, log_max_mkey);
index e449e394963f00d42cd11ecafbca6081f9011bcd..24f4a782e0f431282bb8f79fc496a0b998a7a55a 100644 (file)
@@ -45,6 +45,8 @@
 #include <linux/export.h>
 #include <linux/uio.h>
 
+#include <rdma/ib.h>
+
 #include "qib.h"
 #include "qib_common.h"
 #include "qib_user_sdma.h"
@@ -2067,6 +2069,9 @@ static ssize_t qib_write(struct file *fp, const char __user *data,
        ssize_t ret = 0;
        void *dest;
 
+       if (WARN_ON_ONCE(!ib_safe_file_access(fp)))
+               return -EACCES;
+
        if (count < sizeof(cmd.type)) {
                ret = -EINVAL;
                goto bail;
index 3f02e0e03d128afaee7439e509f00d22f23e9e59..67aab86048ad73faa1f1af16c1ae1663cf4500f1 100644 (file)
@@ -353,7 +353,8 @@ static int pmic8xxx_pwrkey_probe(struct platform_device *pdev)
        if (of_property_read_u32(pdev->dev.of_node, "debounce", &kpd_delay))
                kpd_delay = 15625;
 
-       if (kpd_delay > 62500 || kpd_delay == 0) {
+       /* Valid range of pwr key trigger delay is 1/64 sec to 2 seconds. */
+       if (kpd_delay > USEC_PER_SEC * 2 || kpd_delay < USEC_PER_SEC / 64) {
                dev_err(&pdev->dev, "invalid power key trigger delay\n");
                return -EINVAL;
        }
@@ -385,8 +386,8 @@ static int pmic8xxx_pwrkey_probe(struct platform_device *pdev)
        pwr->name = "pmic8xxx_pwrkey";
        pwr->phys = "pmic8xxx_pwrkey/input0";
 
-       delay = (kpd_delay << 10) / USEC_PER_SEC;
-       delay = 1 + ilog2(delay);
+       delay = (kpd_delay << 6) / USEC_PER_SEC;
+       delay = ilog2(delay);
 
        err = regmap_read(regmap, PON_CNTL_1, &pon_cntl);
        if (err < 0) {
index 3a7f3a4a439635064a4e8ca78e1e7860b9072a47..7c18249d6c8e820e3fe86ffa66196164dbef2d3f 100644 (file)
@@ -858,6 +858,14 @@ static int gtco_probe(struct usb_interface *usbinterface,
                goto err_free_buf;
        }
 
+       /* Sanity check that a device has an endpoint */
+       if (usbinterface->altsetting[0].desc.bNumEndpoints < 1) {
+               dev_err(&usbinterface->dev,
+                       "Invalid number of endpoints\n");
+               error = -EINVAL;
+               goto err_free_urb;
+       }
+
        /*
         * The endpoint is always altsetting 0, we know this since we know
         * this device only has one interrupt endpoint
@@ -879,7 +887,7 @@ static int gtco_probe(struct usb_interface *usbinterface,
         * HID report descriptor
         */
        if (usb_get_extra_descriptor(usbinterface->cur_altsetting,
-                                    HID_DEVICE_TYPE, &hid_desc) != 0){
+                                    HID_DEVICE_TYPE, &hid_desc) != 0) {
                dev_err(&usbinterface->dev,
                        "Can't retrieve exta USB descriptor to get hid report descriptor length\n");
                error = -EIO;
index fc836f523afafb7ad643e07edbb1053a8466023e..b9319b76a8a193e9da184290e0282a94d5d2ae14 100644 (file)
@@ -91,6 +91,7 @@ struct iommu_dev_data {
        struct list_head dev_data_list;   /* For global dev_data_list */
        struct protection_domain *domain; /* Domain the device is bound to */
        u16 devid;                        /* PCI Device ID */
+       u16 alias;                        /* Alias Device ID */
        bool iommu_v2;                    /* Device can make use of IOMMUv2 */
        bool passthrough;                 /* Device is identity mapped */
        struct {
@@ -125,6 +126,13 @@ static struct protection_domain *to_pdomain(struct iommu_domain *dom)
        return container_of(dom, struct protection_domain, domain);
 }
 
+static inline u16 get_device_id(struct device *dev)
+{
+       struct pci_dev *pdev = to_pci_dev(dev);
+
+       return PCI_DEVID(pdev->bus->number, pdev->devfn);
+}
+
 static struct iommu_dev_data *alloc_dev_data(u16 devid)
 {
        struct iommu_dev_data *dev_data;
@@ -162,6 +170,68 @@ out_unlock:
        return dev_data;
 }
 
+static int __last_alias(struct pci_dev *pdev, u16 alias, void *data)
+{
+       *(u16 *)data = alias;
+       return 0;
+}
+
+static u16 get_alias(struct device *dev)
+{
+       struct pci_dev *pdev = to_pci_dev(dev);
+       u16 devid, ivrs_alias, pci_alias;
+
+       devid = get_device_id(dev);
+       ivrs_alias = amd_iommu_alias_table[devid];
+       pci_for_each_dma_alias(pdev, __last_alias, &pci_alias);
+
+       if (ivrs_alias == pci_alias)
+               return ivrs_alias;
+
+       /*
+        * DMA alias showdown
+        *
+        * The IVRS is fairly reliable in telling us about aliases, but it
+        * can't know about every screwy device.  If we don't have an IVRS
+        * reported alias, use the PCI reported alias.  In that case we may
+        * still need to initialize the rlookup and dev_table entries if the
+        * alias is to a non-existent device.
+        */
+       if (ivrs_alias == devid) {
+               if (!amd_iommu_rlookup_table[pci_alias]) {
+                       amd_iommu_rlookup_table[pci_alias] =
+                               amd_iommu_rlookup_table[devid];
+                       memcpy(amd_iommu_dev_table[pci_alias].data,
+                              amd_iommu_dev_table[devid].data,
+                              sizeof(amd_iommu_dev_table[pci_alias].data));
+               }
+
+               return pci_alias;
+       }
+
+       pr_info("AMD-Vi: Using IVRS reported alias %02x:%02x.%d "
+               "for device %s[%04x:%04x], kernel reported alias "
+               "%02x:%02x.%d\n", PCI_BUS_NUM(ivrs_alias), PCI_SLOT(ivrs_alias),
+               PCI_FUNC(ivrs_alias), dev_name(dev), pdev->vendor, pdev->device,
+               PCI_BUS_NUM(pci_alias), PCI_SLOT(pci_alias),
+               PCI_FUNC(pci_alias));
+
+       /*
+        * If we don't have a PCI DMA alias and the IVRS alias is on the same
+        * bus, then the IVRS table may know about a quirk that we don't.
+        */
+       if (pci_alias == devid &&
+           PCI_BUS_NUM(ivrs_alias) == pdev->bus->number) {
+               pdev->dev_flags |= PCI_DEV_FLAGS_DMA_ALIAS_DEVFN;
+               pdev->dma_alias_devfn = ivrs_alias & 0xff;
+               pr_info("AMD-Vi: Added PCI DMA alias %02x.%d for %s\n",
+                       PCI_SLOT(ivrs_alias), PCI_FUNC(ivrs_alias),
+                       dev_name(dev));
+       }
+
+       return ivrs_alias;
+}
+
 static struct iommu_dev_data *find_dev_data(u16 devid)
 {
        struct iommu_dev_data *dev_data;
@@ -174,13 +244,6 @@ static struct iommu_dev_data *find_dev_data(u16 devid)
        return dev_data;
 }
 
-static inline u16 get_device_id(struct device *dev)
-{
-       struct pci_dev *pdev = to_pci_dev(dev);
-
-       return PCI_DEVID(pdev->bus->number, pdev->devfn);
-}
-
 static struct iommu_dev_data *get_dev_data(struct device *dev)
 {
        return dev->archdata.iommu;
@@ -308,6 +371,8 @@ static int iommu_init_device(struct device *dev)
        if (!dev_data)
                return -ENOMEM;
 
+       dev_data->alias = get_alias(dev);
+
        if (pci_iommuv2_capable(pdev)) {
                struct amd_iommu *iommu;
 
@@ -328,7 +393,7 @@ static void iommu_ignore_device(struct device *dev)
        u16 devid, alias;
 
        devid = get_device_id(dev);
-       alias = amd_iommu_alias_table[devid];
+       alias = get_alias(dev);
 
        memset(&amd_iommu_dev_table[devid], 0, sizeof(struct dev_table_entry));
        memset(&amd_iommu_dev_table[alias], 0, sizeof(struct dev_table_entry));
@@ -1017,7 +1082,7 @@ static int device_flush_dte(struct iommu_dev_data *dev_data)
        int ret;
 
        iommu = amd_iommu_rlookup_table[dev_data->devid];
-       alias = amd_iommu_alias_table[dev_data->devid];
+       alias = dev_data->alias;
 
        ret = iommu_flush_dte(iommu, dev_data->devid);
        if (!ret && alias != dev_data->devid)
@@ -1891,7 +1956,7 @@ static void do_attach(struct iommu_dev_data *dev_data,
        bool ats;
 
        iommu = amd_iommu_rlookup_table[dev_data->devid];
-       alias = amd_iommu_alias_table[dev_data->devid];
+       alias = dev_data->alias;
        ats   = dev_data->ats.enabled;
 
        /* Update data structures */
@@ -1925,7 +1990,7 @@ static void do_detach(struct iommu_dev_data *dev_data)
                return;
 
        iommu = amd_iommu_rlookup_table[dev_data->devid];
-       alias = amd_iommu_alias_table[dev_data->devid];
+       alias = dev_data->alias;
 
        /* decrease reference counters */
        dev_data->domain->dev_iommu[iommu->index] -= 1;
index 72d6182666cbd24ba785fc59572c655b6f0c2c8f..58f2fe687a24ddd29ac6d786862eefc33098d795 100644 (file)
@@ -403,7 +403,7 @@ static int __finalise_sg(struct device *dev, struct scatterlist *sg, int nents,
                unsigned int s_length = sg_dma_len(s);
                unsigned int s_dma_len = s->length;
 
-               s->offset = s_offset;
+               s->offset += s_offset;
                s->length = s_length;
                sg_dma_address(s) = dma_addr + s_offset;
                dma_addr += s_dma_len;
@@ -422,7 +422,7 @@ static void __invalidate_sg(struct scatterlist *sg, int nents)
 
        for_each_sg(sg, s, nents, i) {
                if (sg_dma_address(s) != DMA_ERROR_CODE)
-                       s->offset = sg_dma_address(s);
+                       s->offset += sg_dma_address(s);
                if (sg_dma_len(s))
                        s->length = sg_dma_len(s);
                sg_dma_address(s) = DMA_ERROR_CODE;
index efe50845939d91fee149acb085912697031dd9a0..17304705f2cf9443b99690565ece5b537e3e61c4 100644 (file)
@@ -183,7 +183,7 @@ static void __iomem * __init icoll_init_iobase(struct device_node *np)
        void __iomem *icoll_base;
 
        icoll_base = of_io_request_and_map(np, 0, np->name);
-       if (!icoll_base)
+       if (IS_ERR(icoll_base))
                panic("%s: unable to map resource", np->full_name);
        return icoll_base;
 }
index 4ef178078e5bd7ddf388e215eddc1bde3151b0fb..1254e98f6b577f4ac0347ff6ec262d7fd820dc80 100644 (file)
@@ -154,9 +154,9 @@ static int __init sunxi_sc_nmi_irq_init(struct device_node *node,
 
        gc = irq_get_domain_generic_chip(domain, 0);
        gc->reg_base = of_io_request_and_map(node, 0, of_node_full_name(node));
-       if (!gc->reg_base) {
+       if (IS_ERR(gc->reg_base)) {
                pr_err("unable to map resource\n");
-               ret = -ENOMEM;
+               ret = PTR_ERR(gc->reg_base);
                goto fail_irqd_remove;
        }
 
index 27f2ef300f8bb10bac594b094e3fafcc8db407d0..3970cda10080988887bfa07329241d94afd1b883 100644 (file)
@@ -867,39 +867,55 @@ static int blocks_are_unmapped_or_clean(struct dm_cache_metadata *cmd,
        return 0;
 }
 
-#define WRITE_LOCK(cmd)        \
-       down_write(&cmd->root_lock); \
-       if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
-               up_write(&cmd->root_lock); \
-               return -EINVAL; \
+static bool cmd_write_lock(struct dm_cache_metadata *cmd)
+{
+       down_write(&cmd->root_lock);
+       if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) {
+               up_write(&cmd->root_lock);
+               return false;
        }
+       return true;
+}
 
-#define WRITE_LOCK_VOID(cmd) \
-       down_write(&cmd->root_lock); \
-       if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
-               up_write(&cmd->root_lock); \
-               return; \
-       }
+#define WRITE_LOCK(cmd)                                \
+       do {                                    \
+               if (!cmd_write_lock((cmd)))     \
+                       return -EINVAL;         \
+       } while(0)
+
+#define WRITE_LOCK_VOID(cmd)                   \
+       do {                                    \
+               if (!cmd_write_lock((cmd)))     \
+                       return;                 \
+       } while(0)
 
 #define WRITE_UNLOCK(cmd) \
-       up_write(&cmd->root_lock)
+       up_write(&(cmd)->root_lock)
 
-#define READ_LOCK(cmd) \
-       down_read(&cmd->root_lock); \
-       if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
-               up_read(&cmd->root_lock); \
-               return -EINVAL; \
+static bool cmd_read_lock(struct dm_cache_metadata *cmd)
+{
+       down_read(&cmd->root_lock);
+       if (cmd->fail_io) {
+               up_read(&cmd->root_lock);
+               return false;
        }
+       return true;
+}
 
-#define READ_LOCK_VOID(cmd)    \
-       down_read(&cmd->root_lock); \
-       if (cmd->fail_io || dm_bm_is_read_only(cmd->bm)) { \
-               up_read(&cmd->root_lock); \
-               return; \
-       }
+#define READ_LOCK(cmd)                         \
+       do {                                    \
+               if (!cmd_read_lock((cmd)))      \
+                       return -EINVAL;         \
+       } while(0)
+
+#define READ_LOCK_VOID(cmd)                    \
+       do {                                    \
+               if (!cmd_read_lock((cmd)))      \
+                       return;                 \
+       } while(0)
 
 #define READ_UNLOCK(cmd) \
-       up_read(&cmd->root_lock)
+       up_read(&(cmd)->root_lock)
 
 int dm_cache_resize(struct dm_cache_metadata *cmd, dm_cblock_t new_cache_size)
 {
index 33bdd81065e81cd66de55fd533d8bda86b0c678f..11f39791ec3391f349ee5a0a008daa69166ad409 100644 (file)
@@ -1502,7 +1502,7 @@ static int __vb2_wait_for_done_vb(struct vb2_queue *q, int nonblocking)
  * Will sleep if required for nonblocking == false.
  */
 static int __vb2_get_done_vb(struct vb2_queue *q, struct vb2_buffer **vb,
-                               int nonblocking)
+                            void *pb, int nonblocking)
 {
        unsigned long flags;
        int ret;
@@ -1523,10 +1523,10 @@ static int __vb2_get_done_vb(struct vb2_queue *q, struct vb2_buffer **vb,
        /*
         * Only remove the buffer from done_list if v4l2_buffer can handle all
         * the planes.
-        * Verifying planes is NOT necessary since it already has been checked
-        * before the buffer is queued/prepared. So it can never fail.
         */
-       list_del(&(*vb)->done_entry);
+       ret = call_bufop(q, verify_planes_array, *vb, pb);
+       if (!ret)
+               list_del(&(*vb)->done_entry);
        spin_unlock_irqrestore(&q->done_lock, flags);
 
        return ret;
@@ -1604,7 +1604,7 @@ int vb2_core_dqbuf(struct vb2_queue *q, void *pb, bool nonblocking)
        struct vb2_buffer *vb = NULL;
        int ret;
 
-       ret = __vb2_get_done_vb(q, &vb, nonblocking);
+       ret = __vb2_get_done_vb(q, &vb, pb, nonblocking);
        if (ret < 0)
                return ret;
 
index dbec5923fcf07d85ddde50a70686ddc4c397c5ed..3c3b517f1d1cacb5a7131263cd80c112bd22d619 100644 (file)
@@ -49,7 +49,7 @@ struct frame_vector *vb2_create_framevec(unsigned long start,
        vec = frame_vector_create(nr);
        if (!vec)
                return ERR_PTR(-ENOMEM);
-       ret = get_vaddr_frames(start, nr, write, 1, vec);
+       ret = get_vaddr_frames(start & PAGE_MASK, nr, write, true, vec);
        if (ret < 0)
                goto out_destroy;
        /* We accept only complete set of PFNs */
index 502984c724ff5efd14ef10250dd5d8e653468111..6c441be8f893d8e931825b63b810d67ae67a2864 100644 (file)
@@ -67,6 +67,11 @@ static int __verify_planes_array(struct vb2_buffer *vb, const struct v4l2_buffer
        return 0;
 }
 
+static int __verify_planes_array_core(struct vb2_buffer *vb, const void *pb)
+{
+       return __verify_planes_array(vb, pb);
+}
+
 /**
  * __verify_length() - Verify that the bytesused value for each plane fits in
  * the plane length and that the data offset doesn't exceed the bytesused value.
@@ -432,6 +437,7 @@ static int __fill_vb2_buffer(struct vb2_buffer *vb,
 }
 
 static const struct vb2_buf_ops v4l2_buf_ops = {
+       .verify_planes_array    = __verify_planes_array_core,
        .fill_user_buffer       = __fill_v4l2_buffer,
        .fill_vb2_buffer        = __fill_vb2_buffer,
        .set_timestamp          = __set_timestamp,
index 22892c701c63b8e650fc7a6323934ca13385382b..4bf7d50b1bc7cc8ccb55171d9ca76ac3bd6fe114 100644 (file)
@@ -439,7 +439,7 @@ config ARM_CHARLCD
          still useful.
 
 config BMP085
-       bool
+       tristate
        depends on SYSFS
 
 config BMP085_I2C
index 15e88078ba1e6a70ec82b3c713fd8c19ebb425d7..f1a0b99f5a9a3e0cbc44eb1a69ac774f134569f4 100644 (file)
@@ -216,7 +216,7 @@ static s32 dpot_read_i2c(struct dpot_data *dpot, u8 reg)
                         */
                        value = swab16(value);
 
-                       if (dpot->uid == DPOT_UID(AD5271_ID))
+                       if (dpot->uid == DPOT_UID(AD5274_ID))
                                value = value >> 2;
                return value;
        default:
index 09a406058c4650ddf71114c26201889620003b9e..efbb6945eb18601bc04c9f9580bba5085f5f90df 100644 (file)
@@ -288,7 +288,6 @@ unsigned int cxl_map_irq(struct cxl *adapter, irq_hw_number_t hwirq,
 void cxl_unmap_irq(unsigned int virq, void *cookie)
 {
        free_irq(virq, cookie);
-       irq_dispose_mapping(virq);
 }
 
 static int cxl_register_one_irq(struct cxl *adapter,
index 8310b4dbff0602ea5f4bd50f3ce87a9e58e854a7..6a451bd65bf3f8914586e3916f39c847730f15a8 100644 (file)
@@ -1511,7 +1511,7 @@ off_t scif_register_pinned_pages(scif_epd_t epd,
        if ((map_flags & SCIF_MAP_FIXED) &&
            ((ALIGN(offset, PAGE_SIZE) != offset) ||
            (offset < 0) ||
-           (offset + (off_t)len < offset)))
+           (len > LONG_MAX - offset)))
                return -EINVAL;
 
        might_sleep();
@@ -1614,7 +1614,7 @@ off_t scif_register(scif_epd_t epd, void *addr, size_t len, off_t offset,
        if ((map_flags & SCIF_MAP_FIXED) &&
            ((ALIGN(offset, PAGE_SIZE) != offset) ||
            (offset < 0) ||
-           (offset + (off_t)len < offset)))
+           (len > LONG_MAX - offset)))
                return -EINVAL;
 
        /* Unsupported protection requested */
@@ -1732,7 +1732,8 @@ scif_unregister(scif_epd_t epd, off_t offset, size_t len)
 
        /* Offset is not page aligned or offset+len wraps around */
        if ((ALIGN(offset, PAGE_SIZE) != offset) ||
-           (offset + (off_t)len < offset))
+           (offset < 0) ||
+           (len > LONG_MAX - offset))
                return -EINVAL;
 
        err = scif_verify_epd(ep);
index 12c6190c6e338be6a25c878db9e5870bf3a02fef..4a07ba1195b589693432e0c37d71f283f9d1074a 100644 (file)
@@ -309,6 +309,36 @@ static const u16 brcmnand_regs_v60[] = {
        [BRCMNAND_FC_BASE]              = 0x400,
 };
 
+/* BRCMNAND v7.1 */
+static const u16 brcmnand_regs_v71[] = {
+       [BRCMNAND_CMD_START]            =  0x04,
+       [BRCMNAND_CMD_EXT_ADDRESS]      =  0x08,
+       [BRCMNAND_CMD_ADDRESS]          =  0x0c,
+       [BRCMNAND_INTFC_STATUS]         =  0x14,
+       [BRCMNAND_CS_SELECT]            =  0x18,
+       [BRCMNAND_CS_XOR]               =  0x1c,
+       [BRCMNAND_LL_OP]                =  0x20,
+       [BRCMNAND_CS0_BASE]             =  0x50,
+       [BRCMNAND_CS1_BASE]             =     0,
+       [BRCMNAND_CORR_THRESHOLD]       =  0xdc,
+       [BRCMNAND_CORR_THRESHOLD_EXT]   =  0xe0,
+       [BRCMNAND_UNCORR_COUNT]         =  0xfc,
+       [BRCMNAND_CORR_COUNT]           = 0x100,
+       [BRCMNAND_CORR_EXT_ADDR]        = 0x10c,
+       [BRCMNAND_CORR_ADDR]            = 0x110,
+       [BRCMNAND_UNCORR_EXT_ADDR]      = 0x114,
+       [BRCMNAND_UNCORR_ADDR]          = 0x118,
+       [BRCMNAND_SEMAPHORE]            = 0x150,
+       [BRCMNAND_ID]                   = 0x194,
+       [BRCMNAND_ID_EXT]               = 0x198,
+       [BRCMNAND_LL_RDATA]             = 0x19c,
+       [BRCMNAND_OOB_READ_BASE]        = 0x200,
+       [BRCMNAND_OOB_READ_10_BASE]     =     0,
+       [BRCMNAND_OOB_WRITE_BASE]       = 0x280,
+       [BRCMNAND_OOB_WRITE_10_BASE]    =     0,
+       [BRCMNAND_FC_BASE]              = 0x400,
+};
+
 enum brcmnand_cs_reg {
        BRCMNAND_CS_CFG_EXT = 0,
        BRCMNAND_CS_CFG,
@@ -404,7 +434,9 @@ static int brcmnand_revision_init(struct brcmnand_controller *ctrl)
        }
 
        /* Register offsets */
-       if (ctrl->nand_version >= 0x0600)
+       if (ctrl->nand_version >= 0x0701)
+               ctrl->reg_offsets = brcmnand_regs_v71;
+       else if (ctrl->nand_version >= 0x0600)
                ctrl->reg_offsets = brcmnand_regs_v60;
        else if (ctrl->nand_version >= 0x0500)
                ctrl->reg_offsets = brcmnand_regs_v50;
index 3ff583f165cdfce7138f3f02d771fcb9d8f99e5e..ce7b2cab5762e5854cc4a11175876a53162e6215 100644 (file)
@@ -3979,7 +3979,6 @@ static int nand_dt_init(struct mtd_info *mtd, struct nand_chip *chip,
  * This is the first phase of the normal nand_scan() function. It reads the
  * flash ID and sets up MTD fields accordingly.
  *
- * The mtd->owner field must be set to the module of the caller.
  */
 int nand_scan_ident(struct mtd_info *mtd, int maxchips,
                    struct nand_flash_dev *table)
@@ -4403,19 +4402,12 @@ EXPORT_SYMBOL(nand_scan_tail);
  *
  * This fills out all the uninitialized function pointers with the defaults.
  * The flash ID is read and the mtd/chip structures are filled with the
- * appropriate values. The mtd->owner field must be set to the module of the
- * caller.
+ * appropriate values.
  */
 int nand_scan(struct mtd_info *mtd, int maxchips)
 {
        int ret;
 
-       /* Many callers got this wrong, so check for it for a while... */
-       if (!mtd->owner && caller_is_module()) {
-               pr_crit("%s called with NULL mtd->owner!\n", __func__);
-               BUG();
-       }
-
        ret = nand_scan_ident(mtd, maxchips, NULL);
        if (!ret)
                ret = nand_scan_tail(mtd);
index 32477c4eb421390e250645f94b0eefdab871a043..37e4135ab213d64b158f7165994e5000d1dd4bb7 100644 (file)
@@ -1067,45 +1067,6 @@ static int spansion_quad_enable(struct spi_nor *nor)
        return 0;
 }
 
-static int micron_quad_enable(struct spi_nor *nor)
-{
-       int ret;
-       u8 val;
-
-       ret = nor->read_reg(nor, SPINOR_OP_RD_EVCR, &val, 1);
-       if (ret < 0) {
-               dev_err(nor->dev, "error %d reading EVCR\n", ret);
-               return ret;
-       }
-
-       write_enable(nor);
-
-       /* set EVCR, enable quad I/O */
-       nor->cmd_buf[0] = val & ~EVCR_QUAD_EN_MICRON;
-       ret = nor->write_reg(nor, SPINOR_OP_WD_EVCR, nor->cmd_buf, 1);
-       if (ret < 0) {
-               dev_err(nor->dev, "error while writing EVCR register\n");
-               return ret;
-       }
-
-       ret = spi_nor_wait_till_ready(nor);
-       if (ret)
-               return ret;
-
-       /* read EVCR and check it */
-       ret = nor->read_reg(nor, SPINOR_OP_RD_EVCR, &val, 1);
-       if (ret < 0) {
-               dev_err(nor->dev, "error %d reading EVCR\n", ret);
-               return ret;
-       }
-       if (val & EVCR_QUAD_EN_MICRON) {
-               dev_err(nor->dev, "Micron EVCR Quad bit not clear\n");
-               return -EINVAL;
-       }
-
-       return 0;
-}
-
 static int set_quad_mode(struct spi_nor *nor, const struct flash_info *info)
 {
        int status;
@@ -1119,12 +1080,7 @@ static int set_quad_mode(struct spi_nor *nor, const struct flash_info *info)
                }
                return status;
        case SNOR_MFR_MICRON:
-               status = micron_quad_enable(nor);
-               if (status) {
-                       dev_err(nor->dev, "Micron quad-read not enabled\n");
-                       return -EINVAL;
-               }
-               return status;
+               return 0;
        default:
                status = spansion_quad_enable(nor);
                if (status) {
index 973dade2d07f8e7a2b7bfb0beb47aa735abe6508..1257b18e6b9025df3f0b7b2268cc563400d6a664 100644 (file)
@@ -270,11 +270,17 @@ jme_reset_mac_processor(struct jme_adapter *jme)
 }
 
 static inline void
-jme_clear_pm(struct jme_adapter *jme)
+jme_clear_pm_enable_wol(struct jme_adapter *jme)
 {
        jwrite32(jme, JME_PMCS, PMCS_STMASK | jme->reg_pmcs);
 }
 
+static inline void
+jme_clear_pm_disable_wol(struct jme_adapter *jme)
+{
+       jwrite32(jme, JME_PMCS, PMCS_STMASK);
+}
+
 static int
 jme_reload_eeprom(struct jme_adapter *jme)
 {
@@ -1853,7 +1859,7 @@ jme_open(struct net_device *netdev)
        struct jme_adapter *jme = netdev_priv(netdev);
        int rc;
 
-       jme_clear_pm(jme);
+       jme_clear_pm_disable_wol(jme);
        JME_NAPI_ENABLE(jme);
 
        tasklet_init(&jme->linkch_task, jme_link_change_tasklet,
@@ -1925,11 +1931,11 @@ jme_wait_link(struct jme_adapter *jme)
 static void
 jme_powersave_phy(struct jme_adapter *jme)
 {
-       if (jme->reg_pmcs) {
+       if (jme->reg_pmcs && device_may_wakeup(&jme->pdev->dev)) {
                jme_set_100m_half(jme);
                if (jme->reg_pmcs & (PMCS_LFEN | PMCS_LREN))
                        jme_wait_link(jme);
-               jme_clear_pm(jme);
+               jme_clear_pm_enable_wol(jme);
        } else {
                jme_phy_off(jme);
        }
@@ -2646,9 +2652,6 @@ jme_set_wol(struct net_device *netdev,
        if (wol->wolopts & WAKE_MAGIC)
                jme->reg_pmcs |= PMCS_MFEN;
 
-       jwrite32(jme, JME_PMCS, jme->reg_pmcs);
-       device_set_wakeup_enable(&jme->pdev->dev, !!(jme->reg_pmcs));
-
        return 0;
 }
 
@@ -3172,8 +3175,8 @@ jme_init_one(struct pci_dev *pdev,
        jme->mii_if.mdio_read = jme_mdio_read;
        jme->mii_if.mdio_write = jme_mdio_write;
 
-       jme_clear_pm(jme);
-       device_set_wakeup_enable(&pdev->dev, true);
+       jme_clear_pm_disable_wol(jme);
+       device_init_wakeup(&pdev->dev, true);
 
        jme_set_phyfifo_5level(jme);
        jme->pcirev = pdev->revision;
@@ -3304,7 +3307,7 @@ jme_resume(struct device *dev)
        if (!netif_running(netdev))
                return 0;
 
-       jme_clear_pm(jme);
+       jme_clear_pm_disable_wol(jme);
        jme_phy_on(jme);
        if (test_bit(JME_FLAG_SSET, &jme->flags))
                jme_set_settings(netdev, &jme->old_ecmd);
index e88afac51c5d69fe5d6c8f4e032cdcf95f48a168..f96ab2f4b90ebc2b3522764705f30fd816413c1b 100644 (file)
@@ -1557,6 +1557,8 @@ void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
        /* the fw is stopped, the aux sta is dead: clean up driver state */
        iwl_mvm_del_aux_sta(mvm);
 
+       iwl_free_fw_paging(mvm);
+
        /*
         * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
         * won't be called in this case).
index c3adf2bcdc85ad37fc29b4428668bf847e8d38cf..13c97f665ba889eb3f5824341cc8937190d665a8 100644 (file)
@@ -645,8 +645,6 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
        for (i = 0; i < NVM_MAX_NUM_SECTIONS; i++)
                kfree(mvm->nvm_sections[i].data);
 
-       iwl_free_fw_paging(mvm);
-
        iwl_mvm_tof_clean(mvm);
 
        ieee80211_free_hw(mvm->hw);
index 8c7204738aa3f076b28c55ef41bff4a3fdb42e36..00e0332e2544797883850dde60fc319e1b83cb07 100644 (file)
@@ -731,8 +731,8 @@ static int iwl_pcie_rsa_race_bug_wa(struct iwl_trans *trans)
         */
        val = iwl_read_prph(trans, PREG_AUX_BUS_WPROT_0);
        if (val & (BIT(1) | BIT(17))) {
-               IWL_INFO(trans,
-                        "can't access the RSA semaphore it is write protected\n");
+               IWL_DEBUG_INFO(trans,
+                              "can't access the RSA semaphore it is write protected\n");
                return 0;
        }
 
index 5c717275a7fa805f370cdd68815e64f8982b142b..3d8019eb3d8476686584371e822411cb631552cb 100644 (file)
@@ -939,7 +939,8 @@ static int mtk_gpio_set_debounce(struct gpio_chip *chip, unsigned offset,
        struct mtk_pinctrl *pctl = dev_get_drvdata(chip->dev);
        int eint_num, virq, eint_offset;
        unsigned int set_offset, bit, clr_bit, clr_offset, rst, i, unmask, dbnc;
-       static const unsigned int dbnc_arr[] = {0 , 1, 16, 32, 64, 128, 256};
+       static const unsigned int debounce_time[] = {500, 1000, 16000, 32000, 64000,
+                                               128000, 256000};
        const struct mtk_desc_pin *pin;
        struct irq_data *d;
 
@@ -957,9 +958,9 @@ static int mtk_gpio_set_debounce(struct gpio_chip *chip, unsigned offset,
        if (!mtk_eint_can_en_debounce(pctl, eint_num))
                return -ENOSYS;
 
-       dbnc = ARRAY_SIZE(dbnc_arr);
-       for (i = 0; i < ARRAY_SIZE(dbnc_arr); i++) {
-               if (debounce <= dbnc_arr[i]) {
+       dbnc = ARRAY_SIZE(debounce_time);
+       for (i = 0; i < ARRAY_SIZE(debounce_time); i++) {
+               if (debounce <= debounce_time[i]) {
                        dbnc = i;
                        break;
                }
index ef04b962c3d51992ba41080b893829d2d4102b56..23b6b8c29a99eb9a65b7c2bd11e02da7356afc97 100644 (file)
@@ -1273,9 +1273,9 @@ static int pcs_parse_bits_in_pinctrl_entry(struct pcs_device *pcs,
 
                /* Parse pins in each row from LSB */
                while (mask) {
-                       bit_pos = ffs(mask);
+                       bit_pos = __ffs(mask);
                        pin_num_from_lsb = bit_pos / pcs->bits_per_pin;
-                       mask_pos = ((pcs->fmask) << (bit_pos - 1));
+                       mask_pos = ((pcs->fmask) << bit_pos);
                        val_pos = val & mask_pos;
                        submask = mask & mask_pos;
 
@@ -1847,7 +1847,7 @@ static int pcs_probe(struct platform_device *pdev)
        ret = of_property_read_u32(np, "pinctrl-single,function-mask",
                                   &pcs->fmask);
        if (!ret) {
-               pcs->fshift = ffs(pcs->fmask) - 1;
+               pcs->fshift = __ffs(pcs->fmask);
                pcs->fmax = pcs->fmask >> pcs->fshift;
        } else {
                /* If mask property doesn't exist, function mux is invalid. */
index b0f62141ea4d975fe65cc26d892fd494190235bd..f774cb576ffa0631d2200007785161a457408083 100644 (file)
@@ -131,7 +131,7 @@ MODULE_LICENSE("GPL");
 /* Field definitions */
 #define HCI_ACCEL_MASK                 0x7fff
 #define HCI_HOTKEY_DISABLE             0x0b
-#define HCI_HOTKEY_ENABLE              0x01
+#define HCI_HOTKEY_ENABLE              0x09
 #define HCI_HOTKEY_SPECIAL_FUNCTIONS   0x10
 #define HCI_LCD_BRIGHTNESS_BITS                3
 #define HCI_LCD_BRIGHTNESS_SHIFT       (16-HCI_LCD_BRIGHTNESS_BITS)
index 423ce087cd9c881168bb6894c89041fc0cf522cc..5d5adee1688624ed4123ae9f6fbb821e6e337364 100644 (file)
@@ -274,8 +274,8 @@ static int brcmstb_pwm_probe(struct platform_device *pdev)
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        p->base = devm_ioremap_resource(&pdev->dev, res);
-       if (!p->base) {
-               ret = -ENOMEM;
+       if (IS_ERR(p->base)) {
+               ret = PTR_ERR(p->base);
                goto out_clk;
        }
 
index 7b94b8ee087cae53208a39b25f11985dd1025ab8..732ac71b82cdd5981454dec04da6ad2cad6c4cba 100644 (file)
@@ -148,7 +148,7 @@ static void regulator_lock_supply(struct regulator_dev *rdev)
 {
        int i;
 
-       for (i = 0; rdev->supply; rdev = rdev_get_supply(rdev), i++)
+       for (i = 0; rdev; rdev = rdev_get_supply(rdev), i++)
                mutex_lock_nested(&rdev->mutex, i);
 }
 
index 58f5d3b8e9818a224c58e1299fdb769f94fd4f98..27343e1c43ef8bee1b3e10dbaf79f293bd81b70f 100644 (file)
@@ -202,9 +202,10 @@ static int s5m8767_get_register(struct s5m8767_info *s5m8767, int reg_id,
                }
        }
 
-       if (i < s5m8767->num_regulators)
-               *enable_ctrl =
-               s5m8767_opmode_reg[reg_id][mode] << S5M8767_ENCTRL_SHIFT;
+       if (i >= s5m8767->num_regulators)
+               return -EINVAL;
+
+       *enable_ctrl = s5m8767_opmode_reg[reg_id][mode] << S5M8767_ENCTRL_SHIFT;
 
        return 0;
 }
@@ -937,8 +938,12 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
                        else
                                regulators[id].vsel_mask = 0xff;
 
-                       s5m8767_get_register(s5m8767, id, &enable_reg,
+                       ret = s5m8767_get_register(s5m8767, id, &enable_reg,
                                             &enable_val);
+                       if (ret) {
+                               dev_err(s5m8767->dev, "error reading registers\n");
+                               return ret;
+                       }
                        regulators[id].enable_reg = enable_reg;
                        regulators[id].enable_mask = S5M8767_ENCTRL_MASK;
                        regulators[id].enable_val = enable_val;
index 05a51ef52703271dc195ec4fad27a498adcb5578..d5c1b057a739e65933d2cd2aa1f8733cc1cd00a9 100644 (file)
@@ -187,9 +187,9 @@ ds1685_rtc_end_data_access(struct ds1685_priv *rtc)
  * Only use this where you are certain another lock will not be held.
  */
 static inline void
-ds1685_rtc_begin_ctrl_access(struct ds1685_priv *rtc, unsigned long flags)
+ds1685_rtc_begin_ctrl_access(struct ds1685_priv *rtc, unsigned long *flags)
 {
-       spin_lock_irqsave(&rtc->lock, flags);
+       spin_lock_irqsave(&rtc->lock, *flags);
        ds1685_rtc_switch_to_bank1(rtc);
 }
 
@@ -1304,7 +1304,7 @@ ds1685_rtc_sysfs_ctrl_regs_store(struct device *dev,
 {
        struct ds1685_priv *rtc = dev_get_drvdata(dev);
        u8 reg = 0, bit = 0, tmp;
-       unsigned long flags = 0;
+       unsigned long flags;
        long int val = 0;
        const struct ds1685_rtc_ctrl_regs *reg_info =
                ds1685_rtc_sysfs_ctrl_regs_lookup(attr->attr.name);
@@ -1325,7 +1325,7 @@ ds1685_rtc_sysfs_ctrl_regs_store(struct device *dev,
        bit = reg_info->bit;
 
        /* Safe to spinlock during a write. */
-       ds1685_rtc_begin_ctrl_access(rtc, flags);
+       ds1685_rtc_begin_ctrl_access(rtc, &flags);
        tmp = rtc->read(rtc, reg);
        rtc->write(rtc, reg, (val ? (tmp | bit) : (tmp & ~(bit))));
        ds1685_rtc_end_ctrl_access(rtc, flags);
index 097325d96db566e08ec8b70aaa9d595f6a044235..b1b4746a0eab5af524791d0868d8132d8014be4b 100644 (file)
@@ -144,7 +144,7 @@ static int hym8563_rtc_set_time(struct device *dev, struct rtc_time *tm)
         * it does not seem to carry it over a subsequent write/read.
         * So we'll limit ourself to 100 years, starting at 2000 for now.
         */
-       buf[6] = tm->tm_year - 100;
+       buf[6] = bin2bcd(tm->tm_year - 100);
 
        /*
         * CTL1 only contains TEST-mode bits apart from stop,
index 7184a0eda79384f8a59a5c8be8155018ba1a792e..725dccae24e7b2eabad90951449b9f3804f18ae9 100644 (file)
@@ -465,7 +465,7 @@ static int max77686_rtc_probe(struct platform_device *pdev)
 
        info->virq = regmap_irq_get_virq(max77686->rtc_irq_data,
                                         MAX77686_RTCIRQ_RTCA1);
-       if (!info->virq) {
+       if (info->virq <= 0) {
                ret = -ENXIO;
                goto err_rtc;
        }
index bd911bafb809a2ede1c46c3f2e2877ac7507fc50..17341feadad19f55ce126c4e3c2d2d2c8fe0429b 100644 (file)
@@ -65,7 +65,6 @@
 
 static const struct i2c_device_id rx8025_id[] = {
        { "rx8025", 0 },
-       { "rv8803", 1 },
        { }
 };
 MODULE_DEVICE_TABLE(i2c, rx8025_id);
index f64c282275b3988a7a3b5a1a43af44f4d5c1f05e..e1b86bb0106233f19ec0eb29de11dceb38a31b6e 100644 (file)
@@ -272,12 +272,13 @@ static irqreturn_t rtclong1_interrupt(int irq, void *dev_id)
 }
 
 static const struct rtc_class_ops vr41xx_rtc_ops = {
-       .release        = vr41xx_rtc_release,
-       .ioctl          = vr41xx_rtc_ioctl,
-       .read_time      = vr41xx_rtc_read_time,
-       .set_time       = vr41xx_rtc_set_time,
-       .read_alarm     = vr41xx_rtc_read_alarm,
-       .set_alarm      = vr41xx_rtc_set_alarm,
+       .release                = vr41xx_rtc_release,
+       .ioctl                  = vr41xx_rtc_ioctl,
+       .read_time              = vr41xx_rtc_read_time,
+       .set_time               = vr41xx_rtc_set_time,
+       .read_alarm             = vr41xx_rtc_read_alarm,
+       .set_alarm              = vr41xx_rtc_set_alarm,
+       .alarm_irq_enable       = vr41xx_rtc_alarm_irq_enable,
 };
 
 static int rtc_probe(struct platform_device *pdev)
index e5647d59224fca77a44b2ab8e3bf7662c457eb4c..0b331c9c0a8f8624ae5f1fc239836a8dc0fbccda 100644 (file)
@@ -13,13 +13,13 @@ menuconfig SCSI_DH
 
 config SCSI_DH_RDAC
        tristate "LSI RDAC Device Handler"
-       depends on SCSI_DH
+       depends on SCSI_DH && SCSI
        help
        If you have a LSI RDAC select y. Otherwise, say N.
 
 config SCSI_DH_HP_SW
        tristate "HP/COMPAQ MSA Device Handler"
-       depends on SCSI_DH
+       depends on SCSI_DH && SCSI
        help
        If you have a HP/COMPAQ MSA device that requires START_STOP to
        be sent to start it and cannot upgrade the firmware then select y.
@@ -27,13 +27,13 @@ config SCSI_DH_HP_SW
 
 config SCSI_DH_EMC
        tristate "EMC CLARiiON Device Handler"
-       depends on SCSI_DH
+       depends on SCSI_DH && SCSI
        help
        If you have a EMC CLARiiON select y. Otherwise, say N.
 
 config SCSI_DH_ALUA
        tristate "SPC-3 ALUA Device Handler"
-       depends on SCSI_DH
+       depends on SCSI_DH && SCSI
        help
          SCSI Device handler for generic SPC-3 Asymmetric Logical Unit
          Access (ALUA).
index 97a1c1c33b05dd2ba7e2dfe4feb3469dce3b6199..00ce3e269a437389232ee3ffb43ee2e1ccbe53b3 100644 (file)
@@ -6282,12 +6282,13 @@ out:
        }
 
        for (i = 0; i < ioc->sge_count; i++) {
-               if (kbuff_arr[i])
+               if (kbuff_arr[i]) {
                        dma_free_coherent(&instance->pdev->dev,
                                          le32_to_cpu(kern_sge32[i].length),
                                          kbuff_arr[i],
                                          le32_to_cpu(kern_sge32[i].phys_addr));
                        kbuff_arr[i] = NULL;
+               }
        }
 
        megasas_return_cmd(instance, cmd);
index 79a8bc4f6cec9e32ec9c78627a2e68fc85ab5e12..035767c020720d75a1e2ae53b1a9fc3c14c0cc48 100644 (file)
@@ -265,7 +265,10 @@ static inline u32 rx_max(struct rockchip_spi *rs)
 static void rockchip_spi_set_cs(struct spi_device *spi, bool enable)
 {
        u32 ser;
-       struct rockchip_spi *rs = spi_master_get_devdata(spi->master);
+       struct spi_master *master = spi->master;
+       struct rockchip_spi *rs = spi_master_get_devdata(master);
+
+       pm_runtime_get_sync(rs->dev);
 
        ser = readl_relaxed(rs->regs + ROCKCHIP_SPI_SER) & SER_MASK;
 
@@ -290,6 +293,8 @@ static void rockchip_spi_set_cs(struct spi_device *spi, bool enable)
                ser &= ~(1 << spi->chip_select);
 
        writel_relaxed(ser, rs->regs + ROCKCHIP_SPI_SER);
+
+       pm_runtime_put_sync(rs->dev);
 }
 
 static int rockchip_spi_prepare_message(struct spi_master *master,
index 05de0dad8762eb4332e36ec100c072f4e6ce4ea3..4c6f1d7d2eaf21d17bffa1cc2f0f624052e16f22 100644 (file)
@@ -3,4 +3,4 @@ July, 2015
 - Remove unneeded file entries in sysfs
 - Remove software processing of IB protocol and place in library for use
   by qib, ipath (if still present), hfi1, and eventually soft-roce
-
+- Replace incorrect uAPI
index aae9826ec62bea8e86a6f1f7c4408ff574d72204..c851e51b1dc3b6d306ac4dde117e9f6fe07be73e 100644 (file)
@@ -62,6 +62,8 @@
 #include <linux/cred.h>
 #include <linux/uio.h>
 
+#include <rdma/ib.h>
+
 #include "hfi.h"
 #include "pio.h"
 #include "device.h"
@@ -214,6 +216,10 @@ static ssize_t hfi1_file_write(struct file *fp, const char __user *data,
        int uctxt_required = 1;
        int must_be_root = 0;
 
+       /* FIXME: This interface cannot continue out of staging */
+       if (WARN_ON_ONCE(!ib_safe_file_access(fp)))
+               return -EACCES;
+
        if (count < sizeof(cmd)) {
                ret = -EINVAL;
                goto bail;
index e845841ab036cc82033d0a6829058a0f15f2543e..7106288efae39910bda3953e12f10e8a2a1eace1 100644 (file)
@@ -545,15 +545,14 @@ static int rockchip_configure_from_dt(struct device *dev,
                         thermal->chip->tshut_temp);
                thermal->tshut_temp = thermal->chip->tshut_temp;
        } else {
+               if (shut_temp > INT_MAX) {
+                       dev_err(dev, "Invalid tshut temperature specified: %d\n",
+                               shut_temp);
+                       return -ERANGE;
+               }
                thermal->tshut_temp = shut_temp;
        }
 
-       if (thermal->tshut_temp > INT_MAX) {
-               dev_err(dev, "Invalid tshut temperature specified: %d\n",
-                       thermal->tshut_temp);
-               return -ERANGE;
-       }
-
        if (of_property_read_u32(np, "rockchip,hw-tshut-mode", &tshut_mode)) {
                dev_warn(dev,
                         "Missing tshut mode property, using default (%s)\n",
index 51c7507b0444957bcbc9c2c832bd6048a5f3b596..63a06ab6ba038ad543de7755301180e961a3933a 100644 (file)
@@ -38,7 +38,6 @@
 #include <linux/major.h>
 #include <linux/module.h>
 #include <linux/mm.h>
-#include <linux/notifier.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
@@ -116,8 +115,6 @@ struct sci_port {
        struct timer_list               rx_timer;
        unsigned int                    rx_timeout;
 #endif
-
-       struct notifier_block           freq_transition;
 };
 
 #define SCI_NPORTS CONFIG_SERIAL_SH_SCI_NR_UARTS
@@ -1606,29 +1603,6 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
        return ret;
 }
 
-/*
- * Here we define a transition notifier so that we can update all of our
- * ports' baud rate when the peripheral clock changes.
- */
-static int sci_notifier(struct notifier_block *self,
-                       unsigned long phase, void *p)
-{
-       struct sci_port *sci_port;
-       unsigned long flags;
-
-       sci_port = container_of(self, struct sci_port, freq_transition);
-
-       if (phase == CPUFREQ_POSTCHANGE) {
-               struct uart_port *port = &sci_port->port;
-
-               spin_lock_irqsave(&port->lock, flags);
-               port->uartclk = clk_get_rate(sci_port->iclk);
-               spin_unlock_irqrestore(&port->lock, flags);
-       }
-
-       return NOTIFY_OK;
-}
-
 static const struct sci_irq_desc {
        const char      *desc;
        irq_handler_t   handler;
@@ -2559,9 +2533,6 @@ static int sci_remove(struct platform_device *dev)
 {
        struct sci_port *port = platform_get_drvdata(dev);
 
-       cpufreq_unregister_notifier(&port->freq_transition,
-                                   CPUFREQ_TRANSITION_NOTIFIER);
-
        uart_remove_one_port(&sci_uart_driver, &port->port);
 
        sci_cleanup_single(port);
@@ -2714,16 +2685,6 @@ static int sci_probe(struct platform_device *dev)
        if (ret)
                return ret;
 
-       sp->freq_transition.notifier_call = sci_notifier;
-
-       ret = cpufreq_register_notifier(&sp->freq_transition,
-                                       CPUFREQ_TRANSITION_NOTIFIER);
-       if (unlikely(ret < 0)) {
-               uart_remove_one_port(&sci_uart_driver, &sp->port);
-               sci_cleanup_single(sp);
-               return ret;
-       }
-
 #ifdef CONFIG_SH_STANDARD_BIOS
        sh_bios_gdb_detach();
 #endif
index 9eb1cff28bd4b2499e4dfd9ed8b91e53901df184..b8b580e5ae6e369f2bf1033e3dc054817b51f125 100644 (file)
@@ -74,6 +74,15 @@ static void for_each_companion(struct pci_dev *pdev, struct usb_hcd *hcd,
                if (companion->bus != pdev->bus ||
                                PCI_SLOT(companion->devfn) != slot)
                        continue;
+
+               /*
+                * Companion device should be either UHCI,OHCI or EHCI host
+                * controller, otherwise skip.
+                */
+               if (companion->class != CL_UHCI && companion->class != CL_OHCI &&
+                               companion->class != CL_EHCI)
+                       continue;
+
                companion_hcd = pci_get_drvdata(companion);
                if (!companion_hcd || !companion_hcd->self.root_hub)
                        continue;
index cf43e9e18368dcd84668b9378b1036b17276b593..79d895c2dd715aaf1463ed05170ae6eec268eec7 100644 (file)
@@ -646,6 +646,7 @@ static void ffs_user_copy_worker(struct work_struct *work)
                                                   work);
        int ret = io_data->req->status ? io_data->req->status :
                                         io_data->req->actual;
+       bool kiocb_has_eventfd = io_data->kiocb->ki_flags & IOCB_EVENTFD;
 
        if (io_data->read && ret > 0) {
                use_mm(io_data->mm);
@@ -657,13 +658,11 @@ static void ffs_user_copy_worker(struct work_struct *work)
 
        io_data->kiocb->ki_complete(io_data->kiocb, ret, ret);
 
-       if (io_data->ffs->ffs_eventfd &&
-           !(io_data->kiocb->ki_flags & IOCB_EVENTFD))
+       if (io_data->ffs->ffs_eventfd && !kiocb_has_eventfd)
                eventfd_signal(io_data->ffs->ffs_eventfd, 1);
 
        usb_ep_free_request(io_data->ep, io_data->req);
 
-       io_data->kiocb->private = NULL;
        if (io_data->read)
                kfree(io_data->to_free);
        kfree(io_data->buf);
index c48cbe731356539abf7df8ac1c94a09701b546f7..d8dbd7e5194b19c7daee1ea44dff8a5de7a8e05b 100644 (file)
@@ -1875,6 +1875,12 @@ no_bw:
        kfree(xhci->rh_bw);
        kfree(xhci->ext_caps);
 
+       xhci->usb2_ports = NULL;
+       xhci->usb3_ports = NULL;
+       xhci->port_array = NULL;
+       xhci->rh_bw = NULL;
+       xhci->ext_caps = NULL;
+
        xhci->page_size = 0;
        xhci->page_shift = 0;
        xhci->bus_state[0].bus_suspended = 0;
index c2d65206ec6c20cfecec9a9b72d7a5de67598855..ea4fb4b0cd44da050192e23b5522e8e6f95295dd 100644 (file)
@@ -48,6 +48,7 @@
 #define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI                0xa12f
 #define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI       0x9d2f
 #define PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI             0x0aa8
+#define PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI             0x1aa8
 
 static const char hcd_name[] = "xhci_hcd";
 
@@ -156,7 +157,8 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
                (pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_XHCI ||
                 pdev->device == PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_XHCI ||
                 pdev->device == PCI_DEVICE_ID_INTEL_CHERRYVIEW_XHCI ||
-                pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI)) {
+                pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_M_XHCI ||
+                pdev->device == PCI_DEVICE_ID_INTEL_BROXTON_B_XHCI)) {
                xhci->quirks |= XHCI_PME_STUCK_QUIRK;
        }
        if (pdev->vendor == PCI_VENDOR_ID_ETRON &&
@@ -299,6 +301,7 @@ static void xhci_pci_remove(struct pci_dev *dev)
        struct xhci_hcd *xhci;
 
        xhci = hcd_to_xhci(pci_get_drvdata(dev));
+       xhci->xhc_state |= XHCI_STATE_REMOVING;
        if (xhci->shared_hcd) {
                usb_remove_hcd(xhci->shared_hcd);
                usb_put_hcd(xhci->shared_hcd);
index db0f0831b94fc2d0c86f270134058a78974cbbdd..2b63969c2bbf8e5f202cb99d3d5c13e5e6f0d502 100644 (file)
@@ -4008,7 +4008,8 @@ static int queue_command(struct xhci_hcd *xhci, struct xhci_command *cmd,
        int reserved_trbs = xhci->cmd_ring_reserved_trbs;
        int ret;
 
-       if (xhci->xhc_state) {
+       if ((xhci->xhc_state & XHCI_STATE_DYING) ||
+               (xhci->xhc_state & XHCI_STATE_HALTED)) {
                xhci_dbg(xhci, "xHCI dying or halted, can't queue_command\n");
                return -ESHUTDOWN;
        }
index 776d59c32bc5c4191f77829ecdb809f6b2d67b93..ec9e758d5fcd9413c0ca377cdb0a08e19a5404fa 100644 (file)
@@ -146,7 +146,8 @@ static int xhci_start(struct xhci_hcd *xhci)
                                "waited %u microseconds.\n",
                                XHCI_MAX_HALT_USEC);
        if (!ret)
-               xhci->xhc_state &= ~(XHCI_STATE_HALTED | XHCI_STATE_DYING);
+               /* clear state flags. Including dying, halted or removing */
+               xhci->xhc_state = 0;
 
        return ret;
 }
@@ -1103,8 +1104,8 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
                /* Resume root hubs only when have pending events. */
                status = readl(&xhci->op_regs->status);
                if (status & STS_EINT) {
-                       usb_hcd_resume_root_hub(hcd);
                        usb_hcd_resume_root_hub(xhci->shared_hcd);
+                       usb_hcd_resume_root_hub(hcd);
                }
        }
 
@@ -1119,10 +1120,10 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated)
 
        /* Re-enable port polling. */
        xhci_dbg(xhci, "%s: starting port polling.\n", __func__);
-       set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
-       usb_hcd_poll_rh_status(hcd);
        set_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags);
        usb_hcd_poll_rh_status(xhci->shared_hcd);
+       set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+       usb_hcd_poll_rh_status(hcd);
 
        return retval;
 }
@@ -2753,7 +2754,8 @@ int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
        if (ret <= 0)
                return ret;
        xhci = hcd_to_xhci(hcd);
-       if (xhci->xhc_state & XHCI_STATE_DYING)
+       if ((xhci->xhc_state & XHCI_STATE_DYING) ||
+               (xhci->xhc_state & XHCI_STATE_REMOVING))
                return -ENODEV;
 
        xhci_dbg(xhci, "%s called for udev %p\n", __func__, udev);
@@ -3800,7 +3802,7 @@ static int xhci_setup_device(struct usb_hcd *hcd, struct usb_device *udev,
 
        mutex_lock(&xhci->mutex);
 
-       if (xhci->xhc_state)    /* dying or halted */
+       if (xhci->xhc_state)    /* dying, removing or halted */
                goto out;
 
        if (!udev->slot_id) {
index 0b9451250e33f5f82fd52f00cf05338849b81e7c..99ac2289dbf348aa2f60541121f1842a92ecc15b 100644 (file)
@@ -1596,6 +1596,7 @@ struct xhci_hcd {
  */
 #define XHCI_STATE_DYING       (1 << 0)
 #define XHCI_STATE_HALTED      (1 << 1)
+#define XHCI_STATE_REMOVING    (1 << 2)
        /* Statistics */
        int                     error_bitmask;
        unsigned int            quirks;
index facaaf003f19931b2f15603568bb565f3de40607..e40da7759a0e6cd3a55bccdf90bb10284376ab11 100644 (file)
@@ -741,6 +741,17 @@ int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb)
        if (!(size > 0))
                return 0;
 
+       if (size > urb->transfer_buffer_length) {
+               /* should not happen, probably malicious packet */
+               if (ud->side == USBIP_STUB) {
+                       usbip_event_add(ud, SDEV_EVENT_ERROR_TCP);
+                       return 0;
+               } else {
+                       usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
+                       return -EPIPE;
+               }
+       }
+
        ret = usbip_recv(ud->tcp_socket, urb->transfer_buffer, size);
        if (ret != size) {
                dev_err(&urb->dev->dev, "recv xbuf, %d\n", ret);
index e6d16d65e4e6529501f3c50e670712fb5db076cf..f07a0974fda287c2feae4296ef3fc4672fb64f43 100644 (file)
@@ -2249,7 +2249,6 @@ config XEN_FBDEV_FRONTEND
        select FB_SYS_IMAGEBLIT
        select FB_SYS_FOPS
        select FB_DEFERRED_IO
-       select INPUT_XEN_KBDDEV_FRONTEND if INPUT_MISC
        select XEN_XENBUS_FRONTEND
        default y
        help
index 0081725c6b5be62f6c7939d5bc2b4022881f363e..d00510029c93310f7941edde945d5c20f12f118a 100644 (file)
@@ -209,8 +209,7 @@ static struct fb_videomode known_lcd_panels[] = {
                .lower_margin   = 2,
                .hsync_len      = 0,
                .vsync_len      = 0,
-               .sync           = FB_SYNC_CLK_INVERT |
-                       FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+               .sync           = FB_SYNC_CLK_INVERT,
        },
        /* Sharp LK043T1DG01 */
        [1] = {
@@ -224,7 +223,7 @@ static struct fb_videomode known_lcd_panels[] = {
                .lower_margin   = 2,
                .hsync_len      = 41,
                .vsync_len      = 10,
-               .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+               .sync           = 0,
                .flag           = 0,
        },
        [2] = {
@@ -239,7 +238,7 @@ static struct fb_videomode known_lcd_panels[] = {
                .lower_margin   = 10,
                .hsync_len      = 10,
                .vsync_len      = 10,
-               .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+               .sync           = 0,
                .flag           = 0,
        },
        [3] = {
index b7fcc0de0b2f2771aff08a130eb20564adb3cbd4..0f5d05bf213140ccc10106bbc0ad3894d2bb9538 100644 (file)
@@ -457,7 +457,7 @@ struct dentry *debugfs_create_automount(const char *name,
        if (unlikely(!inode))
                return failed_creating(dentry);
 
-       inode->i_mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO;
+       make_empty_dir_inode(inode);
        inode->i_flags |= S_AUTOMOUNT;
        inode->i_private = data;
        dentry->d_fsdata = (void *)f;
index d4156e1c128d09d9f4e0d324d97da79136d45fbf..b7e921d207fb309fbc26d0c3e21304ae46cf474f 100644 (file)
@@ -933,6 +933,15 @@ struct ext4_inode_info {
         * by other means, so we have i_data_sem.
         */
        struct rw_semaphore i_data_sem;
+       /*
+        * i_mmap_sem is for serializing page faults with truncate / punch hole
+        * operations. We have to make sure that new page cannot be faulted in
+        * a section of the inode that is being punched. We cannot easily use
+        * i_data_sem for this since we need protection for the whole punch
+        * operation and i_data_sem ranks below transaction start so we have
+        * to occasionally drop it.
+        */
+       struct rw_semaphore i_mmap_sem;
        struct inode vfs_inode;
        struct jbd2_inode *jinode;
 
@@ -2507,6 +2516,7 @@ extern int ext4_chunk_trans_blocks(struct inode *, int nrblocks);
 extern int ext4_zero_partial_blocks(handle_t *handle, struct inode *inode,
                             loff_t lstart, loff_t lend);
 extern int ext4_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);
+extern int ext4_filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
 extern qsize_t *ext4_get_reserved_space(struct inode *inode);
 extern void ext4_da_update_reserve_space(struct inode *inode,
                                        int used, int quota_claim);
@@ -2871,6 +2881,9 @@ static inline int ext4_update_inode_size(struct inode *inode, loff_t newsize)
        return changed;
 }
 
+int ext4_update_disksize_before_punch(struct inode *inode, loff_t offset,
+                                     loff_t len);
+
 struct ext4_group_info {
        unsigned long   bb_state;
        struct rb_root  bb_free_root;
index 551353b1b17ab930ead8eff62ee3a699b4cfe10f..3578b25fccfd8eef98062e22ee037037a9c8ca38 100644 (file)
@@ -4685,10 +4685,6 @@ static int ext4_alloc_file_blocks(struct file *file, ext4_lblk_t offset,
        if (len <= EXT_UNWRITTEN_MAX_LEN)
                flags |= EXT4_GET_BLOCKS_NO_NORMALIZE;
 
-       /* Wait all existing dio workers, newcomers will block on i_mutex */
-       ext4_inode_block_unlocked_dio(inode);
-       inode_dio_wait(inode);
-
        /*
         * credits to insert 1 extent into extent tree
         */
@@ -4752,8 +4748,6 @@ retry:
                goto retry;
        }
 
-       ext4_inode_resume_unlocked_dio(inode);
-
        return ret > 0 ? ret2 : ret;
 }
 
@@ -4770,7 +4764,6 @@ static long ext4_zero_range(struct file *file, loff_t offset,
        int partial_begin, partial_end;
        loff_t start, end;
        ext4_lblk_t lblk;
-       struct address_space *mapping = inode->i_mapping;
        unsigned int blkbits = inode->i_blkbits;
 
        trace_ext4_zero_range(inode, offset, len, mode);
@@ -4785,17 +4778,6 @@ static long ext4_zero_range(struct file *file, loff_t offset,
                        return ret;
        }
 
-       /*
-        * Write out all dirty pages to avoid race conditions
-        * Then release them.
-        */
-       if (mapping->nrpages && mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) {
-               ret = filemap_write_and_wait_range(mapping, offset,
-                                                  offset + len - 1);
-               if (ret)
-                       return ret;
-       }
-
        /*
         * Round up offset. This is not fallocate, we neet to zero out
         * blocks, so convert interior block aligned part of the range to
@@ -4839,6 +4821,10 @@ static long ext4_zero_range(struct file *file, loff_t offset,
        if (mode & FALLOC_FL_KEEP_SIZE)
                flags |= EXT4_GET_BLOCKS_KEEP_SIZE;
 
+       /* Wait all existing dio workers, newcomers will block on i_mutex */
+       ext4_inode_block_unlocked_dio(inode);
+       inode_dio_wait(inode);
+
        /* Preallocate the range including the unaligned edges */
        if (partial_begin || partial_end) {
                ret = ext4_alloc_file_blocks(file,
@@ -4847,7 +4833,7 @@ static long ext4_zero_range(struct file *file, loff_t offset,
                                 round_down(offset, 1 << blkbits)) >> blkbits,
                                new_size, flags, mode);
                if (ret)
-                       goto out_mutex;
+                       goto out_dio;
 
        }
 
@@ -4856,16 +4842,23 @@ static long ext4_zero_range(struct file *file, loff_t offset,
                flags |= (EXT4_GET_BLOCKS_CONVERT_UNWRITTEN |
                          EXT4_EX_NOCACHE);
 
-               /* Now release the pages and zero block aligned part of pages*/
+               /*
+                * Prevent page faults from reinstantiating pages we have
+                * released from page cache.
+                */
+               down_write(&EXT4_I(inode)->i_mmap_sem);
+               ret = ext4_update_disksize_before_punch(inode, offset, len);
+               if (ret) {
+                       up_write(&EXT4_I(inode)->i_mmap_sem);
+                       goto out_dio;
+               }
+               /* Now release the pages and zero block aligned part of pages */
                truncate_pagecache_range(inode, start, end - 1);
                inode->i_mtime = inode->i_ctime = ext4_current_time(inode);
 
-               /* Wait all existing dio workers, newcomers will block on i_mutex */
-               ext4_inode_block_unlocked_dio(inode);
-               inode_dio_wait(inode);
-
                ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size,
                                             flags, mode);
+               up_write(&EXT4_I(inode)->i_mmap_sem);
                if (ret)
                        goto out_dio;
        }
@@ -4998,8 +4991,13 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
                        goto out;
        }
 
+       /* Wait all existing dio workers, newcomers will block on i_mutex */
+       ext4_inode_block_unlocked_dio(inode);
+       inode_dio_wait(inode);
+
        ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size,
                                     flags, mode);
+       ext4_inode_resume_unlocked_dio(inode);
        if (ret)
                goto out;
 
@@ -5494,21 +5492,7 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
                        return ret;
        }
 
-       /*
-        * Need to round down offset to be aligned with page size boundary
-        * for page size > block size.
-        */
-       ioffset = round_down(offset, PAGE_SIZE);
-
-       /* Write out all dirty pages */
-       ret = filemap_write_and_wait_range(inode->i_mapping, ioffset,
-                                          LLONG_MAX);
-       if (ret)
-               return ret;
-
-       /* Take mutex lock */
        mutex_lock(&inode->i_mutex);
-
        /*
         * There is no need to overlap collapse range with EOF, in which case
         * it is effectively a truncate operation
@@ -5524,17 +5508,43 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
                goto out_mutex;
        }
 
-       truncate_pagecache(inode, ioffset);
-
        /* Wait for existing dio to complete */
        ext4_inode_block_unlocked_dio(inode);
        inode_dio_wait(inode);
 
+       /*
+        * Prevent page faults from reinstantiating pages we have released from
+        * page cache.
+        */
+       down_write(&EXT4_I(inode)->i_mmap_sem);
+       /*
+        * Need to round down offset to be aligned with page size boundary
+        * for page size > block size.
+        */
+       ioffset = round_down(offset, PAGE_SIZE);
+       /*
+        * Write tail of the last page before removed range since it will get
+        * removed from the page cache below.
+        */
+       ret = filemap_write_and_wait_range(inode->i_mapping, ioffset, offset);
+       if (ret)
+               goto out_mmap;
+       /*
+        * Write data that will be shifted to preserve them when discarding
+        * page cache below. We are also protected from pages becoming dirty
+        * by i_mmap_sem.
+        */
+       ret = filemap_write_and_wait_range(inode->i_mapping, offset + len,
+                                          LLONG_MAX);
+       if (ret)
+               goto out_mmap;
+       truncate_pagecache(inode, ioffset);
+
        credits = ext4_writepage_trans_blocks(inode);
        handle = ext4_journal_start(inode, EXT4_HT_TRUNCATE, credits);
        if (IS_ERR(handle)) {
                ret = PTR_ERR(handle);
-               goto out_dio;
+               goto out_mmap;
        }
 
        down_write(&EXT4_I(inode)->i_data_sem);
@@ -5573,7 +5583,8 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
 
 out_stop:
        ext4_journal_stop(handle);
-out_dio:
+out_mmap:
+       up_write(&EXT4_I(inode)->i_mmap_sem);
        ext4_inode_resume_unlocked_dio(inode);
 out_mutex:
        mutex_unlock(&inode->i_mutex);
@@ -5627,21 +5638,7 @@ int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len)
                        return ret;
        }
 
-       /*
-        * Need to round down to align start offset to page size boundary
-        * for page size > block size.
-        */
-       ioffset = round_down(offset, PAGE_SIZE);
-
-       /* Write out all dirty pages */
-       ret = filemap_write_and_wait_range(inode->i_mapping, ioffset,
-                       LLONG_MAX);
-       if (ret)
-               return ret;
-
-       /* Take mutex lock */
        mutex_lock(&inode->i_mutex);
-
        /* Currently just for extent based files */
        if (!ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) {
                ret = -EOPNOTSUPP;
@@ -5660,17 +5657,32 @@ int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len)
                goto out_mutex;
        }
 
-       truncate_pagecache(inode, ioffset);
-
        /* Wait for existing dio to complete */
        ext4_inode_block_unlocked_dio(inode);
        inode_dio_wait(inode);
 
+       /*
+        * Prevent page faults from reinstantiating pages we have released from
+        * page cache.
+        */
+       down_write(&EXT4_I(inode)->i_mmap_sem);
+       /*
+        * Need to round down to align start offset to page size boundary
+        * for page size > block size.
+        */
+       ioffset = round_down(offset, PAGE_SIZE);
+       /* Write out all dirty pages */
+       ret = filemap_write_and_wait_range(inode->i_mapping, ioffset,
+                       LLONG_MAX);
+       if (ret)
+               goto out_mmap;
+       truncate_pagecache(inode, ioffset);
+
        credits = ext4_writepage_trans_blocks(inode);
        handle = ext4_journal_start(inode, EXT4_HT_TRUNCATE, credits);
        if (IS_ERR(handle)) {
                ret = PTR_ERR(handle);
-               goto out_dio;
+               goto out_mmap;
        }
 
        /* Expand file to avoid data loss if there is error while shifting */
@@ -5741,7 +5753,8 @@ int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len)
 
 out_stop:
        ext4_journal_stop(handle);
-out_dio:
+out_mmap:
+       up_write(&EXT4_I(inode)->i_mmap_sem);
        ext4_inode_resume_unlocked_dio(inode);
 out_mutex:
        mutex_unlock(&inode->i_mutex);
index 113837e7ba98d5cf866ee365a40a89d7fc781a71..0d24ebcd7c9e535dc3126d5c10b18c745aef8a2e 100644 (file)
@@ -209,15 +209,18 @@ static int ext4_dax_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
        int result;
        handle_t *handle = NULL;
-       struct super_block *sb = file_inode(vma->vm_file)->i_sb;
+       struct inode *inode = file_inode(vma->vm_file);
+       struct super_block *sb = inode->i_sb;
        bool write = vmf->flags & FAULT_FLAG_WRITE;
 
        if (write) {
                sb_start_pagefault(sb);
                file_update_time(vma->vm_file);
+               down_read(&EXT4_I(inode)->i_mmap_sem);
                handle = ext4_journal_start_sb(sb, EXT4_HT_WRITE_PAGE,
                                                EXT4_DATA_TRANS_BLOCKS(sb));
-       }
+       } else
+               down_read(&EXT4_I(inode)->i_mmap_sem);
 
        if (IS_ERR(handle))
                result = VM_FAULT_SIGBUS;
@@ -228,8 +231,10 @@ static int ext4_dax_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
        if (write) {
                if (!IS_ERR(handle))
                        ext4_journal_stop(handle);
+               up_read(&EXT4_I(inode)->i_mmap_sem);
                sb_end_pagefault(sb);
-       }
+       } else
+               up_read(&EXT4_I(inode)->i_mmap_sem);
 
        return result;
 }
@@ -246,10 +251,12 @@ static int ext4_dax_pmd_fault(struct vm_area_struct *vma, unsigned long addr,
        if (write) {
                sb_start_pagefault(sb);
                file_update_time(vma->vm_file);
+               down_read(&EXT4_I(inode)->i_mmap_sem);
                handle = ext4_journal_start_sb(sb, EXT4_HT_WRITE_PAGE,
                                ext4_chunk_trans_blocks(inode,
                                                        PMD_SIZE / PAGE_SIZE));
-       }
+       } else
+               down_read(&EXT4_I(inode)->i_mmap_sem);
 
        if (IS_ERR(handle))
                result = VM_FAULT_SIGBUS;
@@ -260,30 +267,71 @@ static int ext4_dax_pmd_fault(struct vm_area_struct *vma, unsigned long addr,
        if (write) {
                if (!IS_ERR(handle))
                        ext4_journal_stop(handle);
+               up_read(&EXT4_I(inode)->i_mmap_sem);
                sb_end_pagefault(sb);
-       }
+       } else
+               up_read(&EXT4_I(inode)->i_mmap_sem);
 
        return result;
 }
 
 static int ext4_dax_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
-       return dax_mkwrite(vma, vmf, ext4_get_block_dax,
-                               ext4_end_io_unwritten);
+       int err;
+       struct inode *inode = file_inode(vma->vm_file);
+
+       sb_start_pagefault(inode->i_sb);
+       file_update_time(vma->vm_file);
+       down_read(&EXT4_I(inode)->i_mmap_sem);
+       err = __dax_mkwrite(vma, vmf, ext4_get_block_dax,
+                           ext4_end_io_unwritten);
+       up_read(&EXT4_I(inode)->i_mmap_sem);
+       sb_end_pagefault(inode->i_sb);
+
+       return err;
+}
+
+/*
+ * Handle write fault for VM_MIXEDMAP mappings. Similarly to ext4_dax_mkwrite()
+ * handler we check for races agaist truncate. Note that since we cycle through
+ * i_mmap_sem, we are sure that also any hole punching that began before we
+ * were called is finished by now and so if it included part of the file we
+ * are working on, our pte will get unmapped and the check for pte_same() in
+ * wp_pfn_shared() fails. Thus fault gets retried and things work out as
+ * desired.
+ */
+static int ext4_dax_pfn_mkwrite(struct vm_area_struct *vma,
+                               struct vm_fault *vmf)
+{
+       struct inode *inode = file_inode(vma->vm_file);
+       struct super_block *sb = inode->i_sb;
+       int ret = VM_FAULT_NOPAGE;
+       loff_t size;
+
+       sb_start_pagefault(sb);
+       file_update_time(vma->vm_file);
+       down_read(&EXT4_I(inode)->i_mmap_sem);
+       size = (i_size_read(inode) + PAGE_SIZE - 1) >> PAGE_SHIFT;
+       if (vmf->pgoff >= size)
+               ret = VM_FAULT_SIGBUS;
+       up_read(&EXT4_I(inode)->i_mmap_sem);
+       sb_end_pagefault(sb);
+
+       return ret;
 }
 
 static const struct vm_operations_struct ext4_dax_vm_ops = {
        .fault          = ext4_dax_fault,
        .pmd_fault      = ext4_dax_pmd_fault,
        .page_mkwrite   = ext4_dax_mkwrite,
-       .pfn_mkwrite    = dax_pfn_mkwrite,
+       .pfn_mkwrite    = ext4_dax_pfn_mkwrite,
 };
 #else
 #define ext4_dax_vm_ops        ext4_file_vm_ops
 #endif
 
 static const struct vm_operations_struct ext4_file_vm_ops = {
-       .fault          = filemap_fault,
+       .fault          = ext4_filemap_fault,
        .map_pages      = filemap_map_pages,
        .page_mkwrite   = ext4_page_mkwrite,
 };
index 06bda0361e7ce80dcecdf2245b4922e0af8cffd3..e31d762eedce14e19a9d4f1c5e7d72756cd55147 100644 (file)
@@ -3586,6 +3586,35 @@ int ext4_can_truncate(struct inode *inode)
        return 0;
 }
 
+/*
+ * We have to make sure i_disksize gets properly updated before we truncate
+ * page cache due to hole punching or zero range. Otherwise i_disksize update
+ * can get lost as it may have been postponed to submission of writeback but
+ * that will never happen after we truncate page cache.
+ */
+int ext4_update_disksize_before_punch(struct inode *inode, loff_t offset,
+                                     loff_t len)
+{
+       handle_t *handle;
+       loff_t size = i_size_read(inode);
+
+       WARN_ON(!mutex_is_locked(&inode->i_mutex));
+       if (offset > size || offset + len < size)
+               return 0;
+
+       if (EXT4_I(inode)->i_disksize >= size)
+               return 0;
+
+       handle = ext4_journal_start(inode, EXT4_HT_MISC, 1);
+       if (IS_ERR(handle))
+               return PTR_ERR(handle);
+       ext4_update_i_disksize(inode, size);
+       ext4_mark_inode_dirty(handle, inode);
+       ext4_journal_stop(handle);
+
+       return 0;
+}
+
 /*
  * ext4_punch_hole: punches a hole in a file by releaseing the blocks
  * associated with the given offset and length
@@ -3651,17 +3680,26 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
 
        }
 
+       /* Wait all existing dio workers, newcomers will block on i_mutex */
+       ext4_inode_block_unlocked_dio(inode);
+       inode_dio_wait(inode);
+
+       /*
+        * Prevent page faults from reinstantiating pages we have released from
+        * page cache.
+        */
+       down_write(&EXT4_I(inode)->i_mmap_sem);
        first_block_offset = round_up(offset, sb->s_blocksize);
        last_block_offset = round_down((offset + length), sb->s_blocksize) - 1;
 
        /* Now release the pages and zero block aligned part of pages*/
-       if (last_block_offset > first_block_offset)
+       if (last_block_offset > first_block_offset) {
+               ret = ext4_update_disksize_before_punch(inode, offset, length);
+               if (ret)
+                       goto out_dio;
                truncate_pagecache_range(inode, first_block_offset,
                                         last_block_offset);
-
-       /* Wait all existing dio workers, newcomers will block on i_mutex */
-       ext4_inode_block_unlocked_dio(inode);
-       inode_dio_wait(inode);
+       }
 
        if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
                credits = ext4_writepage_trans_blocks(inode);
@@ -3708,16 +3746,12 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
        if (IS_SYNC(inode))
                ext4_handle_sync(handle);
 
-       /* Now release the pages again to reduce race window */
-       if (last_block_offset > first_block_offset)
-               truncate_pagecache_range(inode, first_block_offset,
-                                        last_block_offset);
-
        inode->i_mtime = inode->i_ctime = ext4_current_time(inode);
        ext4_mark_inode_dirty(handle, inode);
 out_stop:
        ext4_journal_stop(handle);
 out_dio:
+       up_write(&EXT4_I(inode)->i_mmap_sem);
        ext4_inode_resume_unlocked_dio(inode);
 out_mutex:
        mutex_unlock(&inode->i_mutex);
@@ -4851,6 +4885,7 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
                        } else
                                ext4_wait_for_tail_page_commit(inode);
                }
+               down_write(&EXT4_I(inode)->i_mmap_sem);
                /*
                 * Truncate pagecache after we've waited for commit
                 * in data=journal mode to make pages freeable.
@@ -4858,6 +4893,7 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
                truncate_pagecache(inode, inode->i_size);
                if (shrink)
                        ext4_truncate(inode);
+               up_write(&EXT4_I(inode)->i_mmap_sem);
        }
 
        if (!rc) {
@@ -5109,6 +5145,8 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode)
        might_sleep();
        trace_ext4_mark_inode_dirty(inode, _RET_IP_);
        err = ext4_reserve_inode_write(handle, inode, &iloc);
+       if (err)
+               return err;
        if (ext4_handle_valid(handle) &&
            EXT4_I(inode)->i_extra_isize < sbi->s_want_extra_isize &&
            !ext4_test_inode_state(inode, EXT4_STATE_NO_EXPAND)) {
@@ -5139,9 +5177,7 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode)
                        }
                }
        }
-       if (!err)
-               err = ext4_mark_iloc_dirty(handle, inode, &iloc);
-       return err;
+       return ext4_mark_iloc_dirty(handle, inode, &iloc);
 }
 
 /*
@@ -5306,6 +5342,8 @@ int ext4_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 
        sb_start_pagefault(inode->i_sb);
        file_update_time(vma->vm_file);
+
+       down_read(&EXT4_I(inode)->i_mmap_sem);
        /* Delalloc case is easy... */
        if (test_opt(inode->i_sb, DELALLOC) &&
            !ext4_should_journal_data(inode) &&
@@ -5375,6 +5413,19 @@ retry_alloc:
 out_ret:
        ret = block_page_mkwrite_return(ret);
 out:
+       up_read(&EXT4_I(inode)->i_mmap_sem);
        sb_end_pagefault(inode->i_sb);
        return ret;
 }
+
+int ext4_filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+{
+       struct inode *inode = file_inode(vma->vm_file);
+       int err;
+
+       down_read(&EXT4_I(inode)->i_mmap_sem);
+       err = filemap_fault(vma, vmf);
+       up_read(&EXT4_I(inode)->i_mmap_sem);
+
+       return err;
+}
index ba1cf0bf2f818da40d036db75aa8191a47673c27..852c26806af275a1f3894c0a990c341540f23c06 100644 (file)
@@ -958,6 +958,7 @@ static void init_once(void *foo)
        INIT_LIST_HEAD(&ei->i_orphan);
        init_rwsem(&ei->xattr_sem);
        init_rwsem(&ei->i_data_sem);
+       init_rwsem(&ei->i_mmap_sem);
        inode_init_once(&ei->vfs_inode);
 }
 
index 011ba6670d990285f6f61b56ea3fb8b421b70e59..c70d06a383e28819cc556f1027ea118272e5f738 100644 (file)
  */
 static inline void ext4_truncate_failed_write(struct inode *inode)
 {
+       down_write(&EXT4_I(inode)->i_mmap_sem);
        truncate_inode_pages(inode->i_mapping, inode->i_size);
        ext4_truncate(inode);
+       up_write(&EXT4_I(inode)->i_mmap_sem);
 }
 
 /*
index 09cd3edde08a3b307cb3b4b9d0abc0ef354979a3..f6478301db00bcd276f9c2ffb58908bc817928df 100644 (file)
@@ -1435,6 +1435,32 @@ static struct page *can_gather_numa_stats(pte_t pte, struct vm_area_struct *vma,
        return page;
 }
 
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+static struct page *can_gather_numa_stats_pmd(pmd_t pmd,
+                                             struct vm_area_struct *vma,
+                                             unsigned long addr)
+{
+       struct page *page;
+       int nid;
+
+       if (!pmd_present(pmd))
+               return NULL;
+
+       page = vm_normal_page_pmd(vma, addr, pmd);
+       if (!page)
+               return NULL;
+
+       if (PageReserved(page))
+               return NULL;
+
+       nid = page_to_nid(page);
+       if (!node_isset(nid, node_states[N_MEMORY]))
+               return NULL;
+
+       return page;
+}
+#endif
+
 static int gather_pte_stats(pmd_t *pmd, unsigned long addr,
                unsigned long end, struct mm_walk *walk)
 {
@@ -1444,13 +1470,13 @@ static int gather_pte_stats(pmd_t *pmd, unsigned long addr,
        pte_t *orig_pte;
        pte_t *pte;
 
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
        if (pmd_trans_huge_lock(pmd, vma, &ptl) == 1) {
-               pte_t huge_pte = *(pte_t *)pmd;
                struct page *page;
 
-               page = can_gather_numa_stats(huge_pte, vma, addr);
+               page = can_gather_numa_stats_pmd(*pmd, vma, addr);
                if (page)
-                       gather_stats(page, md, pte_dirty(huge_pte),
+                       gather_stats(page, md, pmd_dirty(*pmd),
                                     HPAGE_PMD_SIZE/PAGE_SIZE);
                spin_unlock(ptl);
                return 0;
@@ -1458,6 +1484,7 @@ static int gather_pte_stats(pmd_t *pmd, unsigned long addr,
 
        if (pmd_trans_unstable(pmd))
                return 0;
+#endif
        orig_pte = pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl);
        do {
                struct page *page = can_gather_numa_stats(*pte, vma, addr);
index e56272c919b5a688e1739cdefaa08c121e26f5a8..bf2d34c9d804334cd0c634bf4d8ed921c08cfd7a 100644 (file)
@@ -108,11 +108,15 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
        u32 val;
 
        preempt_disable();
-       if (unlikely(get_user(val, uaddr) != 0))
+       if (unlikely(get_user(val, uaddr) != 0)) {
+               preempt_enable();
                return -EFAULT;
+       }
 
-       if (val == oldval && unlikely(put_user(newval, uaddr) != 0))
+       if (val == oldval && unlikely(put_user(newval, uaddr) != 0)) {
+               preempt_enable();
                return -EFAULT;
+       }
 
        *uval = val;
        preempt_enable();
index 461a0558bca4d8d16e81b88e0286e3fa6251ab79..cebecff536a3a6aec1b06c69e32d8bb4ec2f4f29 100644 (file)
@@ -39,6 +39,8 @@ static inline bool drm_arch_can_wc_memory(void)
 {
 #if defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE)
        return false;
+#elif defined(CONFIG_MIPS) && defined(CONFIG_CPU_LOONGSON3)
+       return false;
 #else
        return true;
 #endif
index a7c7f74808a4359ed079bb13b441fc2d0ded56c8..8da26329975429c8895afcceab874d11e3326471 100644 (file)
@@ -434,6 +434,7 @@ struct cgroup_subsys {
        int (*can_attach)(struct cgroup_taskset *tset);
        void (*cancel_attach)(struct cgroup_taskset *tset);
        void (*attach)(struct cgroup_taskset *tset);
+       void (*post_attach)(void);
        int (*can_fork)(struct task_struct *task, void **priv_p);
        void (*cancel_fork)(struct task_struct *task, void *priv);
        void (*fork)(struct task_struct *task, void *priv);
index fea160ee5803fd121d0493f622e240b4c35da480..85a868ccb4931d374a1ee9fb4e4036bb84399561 100644 (file)
@@ -137,8 +137,6 @@ static inline void set_mems_allowed(nodemask_t nodemask)
        task_unlock(current);
 }
 
-extern void cpuset_post_attach_flush(void);
-
 #else /* !CONFIG_CPUSETS */
 
 static inline bool cpusets_enabled(void) { return false; }
@@ -245,10 +243,6 @@ static inline bool read_mems_allowed_retry(unsigned int seq)
        return false;
 }
 
-static inline void cpuset_post_attach_flush(void)
-{
-}
-
 #endif /* !CONFIG_CPUSETS */
 
 #endif /* _LINUX_CPUSET_H */
index 0b473cbfa7ef10c875c1eed802c2a7dd74f415d4..a91b67b18a7308b2b25eb5abe7abf2c01ccbb5f5 100644 (file)
@@ -334,6 +334,17 @@ enum {
        MLX5_CAP_OFF_CMDIF_CSUM         = 46,
 };
 
+enum {
+       /*
+        * Max wqe size for rdma read is 512 bytes, so this
+        * limits our max_sge_rd as the wqe needs to fit:
+        * - ctrl segment (16 bytes)
+        * - rdma segment (16 bytes)
+        * - scatter elements (16 bytes each)
+        */
+       MLX5_MAX_SGE_RD = (512 - 16 - 16) / 16
+};
+
 struct mlx5_inbox_hdr {
        __be16          opcode;
        u8              rsvd[4];
index 00bad7793788b2fb3342bda26335fc0713f0e909..fb8b20e5d0218092f1802eb77db9c7acb41896a0 100644 (file)
@@ -1084,6 +1084,8 @@ struct zap_details {
 
 struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
                pte_t pte);
+struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr,
+                               pmd_t pmd);
 
 int zap_vma_ptes(struct vm_area_struct *vma, unsigned long address,
                unsigned long size);
index 647ebfe5174f623b27723924a521cc3f483329dd..d4227a8a2a23c1894f4e64b52140e82d895ea434 100644 (file)
@@ -363,6 +363,7 @@ struct vb2_ops {
 };
 
 struct vb2_buf_ops {
+       int (*verify_planes_array)(struct vb2_buffer *vb, const void *pb);
        int (*fill_user_buffer)(struct vb2_buffer *vb, void *pb);
        int (*fill_vb2_buffer)(struct vb2_buffer *vb, const void *pb,
                                struct vb2_plane *planes);
index cf8f9e700e48939b7633a97df7f815486e0fb8a8..a6b93706b0fc96494d7de3d7408c26fb57436a02 100644 (file)
@@ -34,6 +34,7 @@
 #define _RDMA_IB_H
 
 #include <linux/types.h>
+#include <linux/sched.h>
 
 struct ib_addr {
        union {
@@ -86,4 +87,19 @@ struct sockaddr_ib {
        __u64                   sib_scope_id;
 };
 
+/*
+ * The IB interfaces that use write() as bi-directional ioctl() are
+ * fundamentally unsafe, since there are lots of ways to trigger "write()"
+ * calls from various contexts with elevated privileges. That includes the
+ * traditional suid executable error message writes, but also various kernel
+ * interfaces that can write to file descriptors.
+ *
+ * This function provides protection for the legacy API by restricting the
+ * calling context.
+ */
+static inline bool ib_safe_file_access(struct file *filp)
+{
+       return filp->f_cred == current_cred() && segment_eq(get_fs(), USER_DS);
+}
+
 #endif /* _RDMA_IB_H */
index c039f1d68a0929bfac96031d8eaa489be19edba9..086168e18ca83e462dcf088316d8f6c436cde42f 100644 (file)
 
 #define V4L2_DV_BT_CEA_3840X2160P24 { \
        .type = V4L2_DV_BT_656_1120, \
-       V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+       V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+               V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
                297000000, 1276, 88, 296, 8, 10, 72, 0, 0, 0, \
                V4L2_DV_BT_STD_CEA861, \
                V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
 
 #define V4L2_DV_BT_CEA_3840X2160P25 { \
        .type = V4L2_DV_BT_656_1120, \
-       V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+       V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+               V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
                297000000, 1056, 88, 296, 8, 10, 72, 0, 0, 0, \
                V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \
 }
 
 #define V4L2_DV_BT_CEA_3840X2160P30 { \
        .type = V4L2_DV_BT_656_1120, \
-       V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+       V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+               V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
                297000000, 176, 88, 296, 8, 10, 72, 0, 0, 0, \
                V4L2_DV_BT_STD_CEA861, \
                V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
 
 #define V4L2_DV_BT_CEA_3840X2160P50 { \
        .type = V4L2_DV_BT_656_1120, \
-       V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+       V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+               V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
                594000000, 1056, 88, 296, 8, 10, 72, 0, 0, 0, \
                V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \
 }
 
 #define V4L2_DV_BT_CEA_3840X2160P60 { \
        .type = V4L2_DV_BT_656_1120, \
-       V4L2_INIT_BT_TIMINGS(3840, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+       V4L2_INIT_BT_TIMINGS(3840, 2160, 0, \
+               V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
                594000000, 176, 88, 296, 8, 10, 72, 0, 0, 0, \
                V4L2_DV_BT_STD_CEA861, \
                V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
 
 #define V4L2_DV_BT_CEA_4096X2160P24 { \
        .type = V4L2_DV_BT_656_1120, \
-       V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+       V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+               V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
                297000000, 1020, 88, 296, 8, 10, 72, 0, 0, 0, \
                V4L2_DV_BT_STD_CEA861, \
                V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
 
 #define V4L2_DV_BT_CEA_4096X2160P25 { \
        .type = V4L2_DV_BT_656_1120, \
-       V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+       V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+               V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
                297000000, 968, 88, 128, 8, 10, 72, 0, 0, 0, \
                V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \
 }
 
 #define V4L2_DV_BT_CEA_4096X2160P30 { \
        .type = V4L2_DV_BT_656_1120, \
-       V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+       V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+               V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
                297000000, 88, 88, 128, 8, 10, 72, 0, 0, 0, \
                V4L2_DV_BT_STD_CEA861, \
                V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
 
 #define V4L2_DV_BT_CEA_4096X2160P50 { \
        .type = V4L2_DV_BT_656_1120, \
-       V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+       V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+               V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
                594000000, 968, 88, 128, 8, 10, 72, 0, 0, 0, \
                V4L2_DV_BT_STD_CEA861, V4L2_DV_FL_IS_CE_VIDEO) \
 }
 
 #define V4L2_DV_BT_CEA_4096X2160P60 { \
        .type = V4L2_DV_BT_656_1120, \
-       V4L2_INIT_BT_TIMINGS(4096, 2160, 0, V4L2_DV_HSYNC_POS_POL, \
+       V4L2_INIT_BT_TIMINGS(4096, 2160, 0, \
+               V4L2_DV_HSYNC_POS_POL | V4L2_DV_VSYNC_POS_POL, \
                594000000, 88, 88, 128, 8, 10, 72, 0, 0, 0, \
                V4L2_DV_BT_STD_CEA861, \
                V4L2_DV_FL_CAN_REDUCE_FPS | V4L2_DV_FL_IS_CE_VIDEO) \
index dc94f8beb097ff03c0090b0195e206ef85c6bb9b..1c9d701f7a72916155759c56561b084f0fc4900d 100644 (file)
@@ -2721,9 +2721,10 @@ static ssize_t __cgroup_procs_write(struct kernfs_open_file *of, char *buf,
                                    size_t nbytes, loff_t off, bool threadgroup)
 {
        struct task_struct *tsk;
+       struct cgroup_subsys *ss;
        struct cgroup *cgrp;
        pid_t pid;
-       int ret;
+       int ssid, ret;
 
        if (kstrtoint(strstrip(buf), 0, &pid) || pid < 0)
                return -EINVAL;
@@ -2771,8 +2772,10 @@ out_unlock_rcu:
        rcu_read_unlock();
 out_unlock_threadgroup:
        percpu_up_write(&cgroup_threadgroup_rwsem);
+       for_each_subsys(ss, ssid)
+               if (ss->post_attach)
+                       ss->post_attach();
        cgroup_kn_unlock(of->kn);
-       cpuset_post_attach_flush();
        return ret ?: nbytes;
 }
 
@@ -4689,14 +4692,15 @@ static void css_free_work_fn(struct work_struct *work)
 
        if (ss) {
                /* css free path */
+               struct cgroup_subsys_state *parent = css->parent;
                int id = css->id;
 
-               if (css->parent)
-                       css_put(css->parent);
-
                ss->css_free(css);
                cgroup_idr_remove(&ss->css_idr, id);
                cgroup_put(cgrp);
+
+               if (parent)
+                       css_put(parent);
        } else {
                /* cgroup free path */
                atomic_dec(&cgrp->root->nr_cgrps);
index 2ade632197d5159efb21b5b45b2de41417901a0c..11eaf14b52c2919b63131485d33dd2e7203aca58 100644 (file)
@@ -57,7 +57,6 @@
 #include <asm/uaccess.h>
 #include <linux/atomic.h>
 #include <linux/mutex.h>
-#include <linux/workqueue.h>
 #include <linux/cgroup.h>
 #include <linux/wait.h>
 
@@ -1015,7 +1014,7 @@ static void cpuset_migrate_mm(struct mm_struct *mm, const nodemask_t *from,
        }
 }
 
-void cpuset_post_attach_flush(void)
+static void cpuset_post_attach(void)
 {
        flush_workqueue(cpuset_migrate_mm_wq);
 }
@@ -2083,6 +2082,7 @@ struct cgroup_subsys cpuset_cgrp_subsys = {
        .can_attach     = cpuset_can_attach,
        .cancel_attach  = cpuset_cancel_attach,
        .attach         = cpuset_attach,
+       .post_attach    = cpuset_post_attach,
        .bind           = cpuset_bind,
        .legacy_cftypes = files,
        .early_init     = 1,
index 461c72b2dac2c4d316e66b38b5b7d73d980ab347..9d8163afd87ca7605ef85d2ca64d3c4521838fae 100644 (file)
@@ -1244,10 +1244,20 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_q *this,
        if (unlikely(should_fail_futex(true)))
                ret = -EFAULT;
 
-       if (cmpxchg_futex_value_locked(&curval, uaddr, uval, newval))
+       if (cmpxchg_futex_value_locked(&curval, uaddr, uval, newval)) {
                ret = -EFAULT;
-       else if (curval != uval)
-               ret = -EINVAL;
+       } else if (curval != uval) {
+               /*
+                * If a unconditional UNLOCK_PI operation (user space did not
+                * try the TID->0 transition) raced with a waiter setting the
+                * FUTEX_WAITERS flag between get_user() and locking the hash
+                * bucket lock, retry the operation.
+                */
+               if ((FUTEX_TID_MASK & curval) == uval)
+                       ret = -EAGAIN;
+               else
+                       ret = -EINVAL;
+       }
        if (ret) {
                raw_spin_unlock(&pi_state->pi_mutex.wait_lock);
                return ret;
@@ -1474,8 +1484,8 @@ void requeue_futex(struct futex_q *q, struct futex_hash_bucket *hb1,
        if (likely(&hb1->chain != &hb2->chain)) {
                plist_del(&q->list, &hb1->chain);
                hb_waiters_dec(hb1);
-               plist_add(&q->list, &hb2->chain);
                hb_waiters_inc(hb2);
+               plist_add(&q->list, &hb2->chain);
                q->lock_ptr = &hb2->lock;
        }
        get_futex_key_refs(key2);
@@ -2537,6 +2547,15 @@ retry:
                 */
                if (ret == -EFAULT)
                        goto pi_faulted;
+               /*
+                * A unconditional UNLOCK_PI op raced against a waiter
+                * setting the FUTEX_WAITERS bit. Try again.
+                */
+               if (ret == -EAGAIN) {
+                       spin_unlock(&hb->lock);
+                       put_futex_key(&key);
+                       goto retry;
+               }
                /*
                 * wake_futex_pi has detected invalid state. Tell user
                 * space.
index 5b9102a47ea5209dd887b6dfbca16215b2bad922..c835270f0c2f93c24f623e9ea2ba2e94eebb006a 100644 (file)
@@ -67,7 +67,13 @@ void mcs_spin_lock(struct mcs_spinlock **lock, struct mcs_spinlock *node)
        node->locked = 0;
        node->next   = NULL;
 
-       prev = xchg_acquire(lock, node);
+       /*
+        * We rely on the full barrier with global transitivity implied by the
+        * below xchg() to order the initialization stores above against any
+        * observation of @node. And to provide the ACQUIRE ordering associated
+        * with a LOCK primitive.
+        */
+       prev = xchg(lock, node);
        if (likely(prev == NULL)) {
                /*
                 * Lock acquired, don't need to set node->locked to 1. Threads
index 70e5e09341f165a9b32f98387e2b03aad3668f72..55bebf924946b901ad70eed5390b38f4ff0d3154 100644 (file)
@@ -7693,7 +7693,7 @@ void set_curr_task(int cpu, struct task_struct *p)
 /* task_group_lock serializes the addition/removal of task groups */
 static DEFINE_SPINLOCK(task_group_lock);
 
-static void free_sched_group(struct task_group *tg)
+static void sched_free_group(struct task_group *tg)
 {
        free_fair_sched_group(tg);
        free_rt_sched_group(tg);
@@ -7719,7 +7719,7 @@ struct task_group *sched_create_group(struct task_group *parent)
        return tg;
 
 err:
-       free_sched_group(tg);
+       sched_free_group(tg);
        return ERR_PTR(-ENOMEM);
 }
 
@@ -7739,17 +7739,16 @@ void sched_online_group(struct task_group *tg, struct task_group *parent)
 }
 
 /* rcu callback to free various structures associated with a task group */
-static void free_sched_group_rcu(struct rcu_head *rhp)
+static void sched_free_group_rcu(struct rcu_head *rhp)
 {
        /* now it should be safe to free those cfs_rqs */
-       free_sched_group(container_of(rhp, struct task_group, rcu));
+       sched_free_group(container_of(rhp, struct task_group, rcu));
 }
 
-/* Destroy runqueue etc associated with a task group */
 void sched_destroy_group(struct task_group *tg)
 {
        /* wait for possible concurrent references to cfs_rqs complete */
-       call_rcu(&tg->rcu, free_sched_group_rcu);
+       call_rcu(&tg->rcu, sched_free_group_rcu);
 }
 
 void sched_offline_group(struct task_group *tg)
@@ -8210,31 +8209,26 @@ cpu_cgroup_css_alloc(struct cgroup_subsys_state *parent_css)
        if (IS_ERR(tg))
                return ERR_PTR(-ENOMEM);
 
+       sched_online_group(tg, parent);
+
        return &tg->css;
 }
 
-static int cpu_cgroup_css_online(struct cgroup_subsys_state *css)
+static void cpu_cgroup_css_released(struct cgroup_subsys_state *css)
 {
        struct task_group *tg = css_tg(css);
-       struct task_group *parent = css_tg(css->parent);
 
-       if (parent)
-               sched_online_group(tg, parent);
-       return 0;
+       sched_offline_group(tg);
 }
 
 static void cpu_cgroup_css_free(struct cgroup_subsys_state *css)
 {
        struct task_group *tg = css_tg(css);
 
-       sched_destroy_group(tg);
-}
-
-static void cpu_cgroup_css_offline(struct cgroup_subsys_state *css)
-{
-       struct task_group *tg = css_tg(css);
-
-       sched_offline_group(tg);
+       /*
+        * Relies on the RCU grace period between css_released() and this.
+        */
+       sched_free_group(tg);
 }
 
 static void cpu_cgroup_fork(struct task_struct *task, void *private)
@@ -8594,9 +8588,8 @@ static struct cftype cpu_files[] = {
 
 struct cgroup_subsys cpu_cgrp_subsys = {
        .css_alloc      = cpu_cgroup_css_alloc,
+       .css_released   = cpu_cgroup_css_released,
        .css_free       = cpu_cgroup_css_free,
-       .css_online     = cpu_cgroup_css_online,
-       .css_offline    = cpu_cgroup_css_offline,
        .fork           = cpu_cgroup_fork,
        .can_attach     = cpu_cgroup_can_attach,
        .attach         = cpu_cgroup_attach,
index 450c21fd0e6e4289bcf1d2d3b6ba78d68d992df5..0ec05948a97bb3bc4b84b271e0fd18821adff54c 100644 (file)
@@ -649,6 +649,35 @@ static void set_work_pool_and_clear_pending(struct work_struct *work,
         */
        smp_wmb();
        set_work_data(work, (unsigned long)pool_id << WORK_OFFQ_POOL_SHIFT, 0);
+       /*
+        * The following mb guarantees that previous clear of a PENDING bit
+        * will not be reordered with any speculative LOADS or STORES from
+        * work->current_func, which is executed afterwards.  This possible
+        * reordering can lead to a missed execution on attempt to qeueue
+        * the same @work.  E.g. consider this case:
+        *
+        *   CPU#0                         CPU#1
+        *   ----------------------------  --------------------------------
+        *
+        * 1  STORE event_indicated
+        * 2  queue_work_on() {
+        * 3    test_and_set_bit(PENDING)
+        * 4 }                             set_..._and_clear_pending() {
+        * 5                                 set_work_data() # clear bit
+        * 6                                 smp_mb()
+        * 7                               work->current_func() {
+        * 8                                  LOAD event_indicated
+        *                                 }
+        *
+        * Without an explicit full barrier speculative LOAD on line 8 can
+        * be executed before CPU#0 does STORE on line 1.  If that happens,
+        * CPU#0 observes the PENDING bit is still set and new execution of
+        * a @work is not queued in a hope, that CPU#1 will eventually
+        * finish the queued @work.  Meanwhile CPU#1 does not see
+        * event_indicated is set, because speculative LOAD was executed
+        * before actual STORE.
+        */
+       smp_mb();
 }
 
 static void clear_work_data(struct work_struct *work)
index 03dd576e67730fb2870c44512f55c1c0c39b77f3..59fd7c0b119cbc3e0b61137732f76cc3759fb7c7 100644 (file)
@@ -524,7 +524,9 @@ static bool assoc_array_insert_into_terminal_node(struct assoc_array_edit *edit,
                        free_slot = i;
                        continue;
                }
-               if (ops->compare_object(assoc_array_ptr_to_leaf(ptr), index_key)) {
+               if (assoc_array_ptr_is_leaf(ptr) &&
+                   ops->compare_object(assoc_array_ptr_to_leaf(ptr),
+                                       index_key)) {
                        pr_devel("replace in slot %d\n", i);
                        edit->leaf_p = &node->slots[i];
                        edit->dead_leaf = node->slots[i];
index abcecdc2d0f23a8ac9884db5297d7b46dfbcea1b..0710a62ad2f6e135cc1c331a8a82d188a17b53cb 100644 (file)
@@ -11,8 +11,7 @@
 /*
  * Detects 64 bits mode
  */
-#if (defined(__x86_64__) || defined(__x86_64) || defined(__amd64__) \
-       || defined(__ppc64__) || defined(__LP64__))
+#if defined(CONFIG_64BIT)
 #define LZ4_ARCH64 1
 #else
 #define LZ4_ARCH64 0
@@ -35,6 +34,10 @@ typedef struct _U64_S { u64 v; } U64_S;
 
 #define PUT4(s, d) (A32(d) = A32(s))
 #define PUT8(s, d) (A64(d) = A64(s))
+
+#define LZ4_READ_LITTLEENDIAN_16(d, s, p)      \
+       (d = s - A16(p))
+
 #define LZ4_WRITE_LITTLEENDIAN_16(p, v)        \
        do {    \
                A16(p) = v; \
@@ -51,10 +54,13 @@ typedef struct _U64_S { u64 v; } U64_S;
 #define PUT8(s, d) \
        put_unaligned(get_unaligned((const u64 *) s), (u64 *) d)
 
-#define LZ4_WRITE_LITTLEENDIAN_16(p, v)        \
-       do {    \
-               put_unaligned(v, (u16 *)(p)); \
-               p += 2; \
+#define LZ4_READ_LITTLEENDIAN_16(d, s, p)      \
+       (d = s - get_unaligned_le16(p))
+
+#define LZ4_WRITE_LITTLEENDIAN_16(p, v)                        \
+       do {                                            \
+               put_unaligned_le16(v, (u16 *)(p));      \
+               p += 2;                                 \
        } while (0)
 #endif
 
@@ -140,9 +146,6 @@ typedef struct _U64_S { u64 v; } U64_S;
 
 #endif
 
-#define LZ4_READ_LITTLEENDIAN_16(d, s, p) \
-       (d = s - get_unaligned_le16(p))
-
 #define LZ4_WILDCOPY(s, d, e)          \
        do {                            \
                LZ4_COPYPACKET(s, d);   \
index 3db76b8c11158f5ce2b3884898e3d2abfbd6d91a..e00ff00e861cea3654dc6483e03a7bf21485b88e 100644 (file)
@@ -128,6 +128,23 @@ leave:
 }
 EXPORT_SYMBOL_GPL(mpi_read_from_buffer);
 
+static int count_lzeros(MPI a)
+{
+       mpi_limb_t alimb;
+       int i, lzeros = 0;
+
+       for (i = a->nlimbs - 1; i >= 0; i--) {
+               alimb = a->d[i];
+               if (alimb == 0) {
+                       lzeros += sizeof(mpi_limb_t);
+               } else {
+                       lzeros += count_leading_zeros(alimb) / 8;
+                       break;
+               }
+       }
+       return lzeros;
+}
+
 /**
  * mpi_read_buffer() - read MPI to a bufer provided by user (msb first)
  *
@@ -146,7 +163,7 @@ int mpi_read_buffer(MPI a, uint8_t *buf, unsigned buf_len, unsigned *nbytes,
        uint8_t *p;
        mpi_limb_t alimb;
        unsigned int n = mpi_get_size(a);
-       int i, lzeros = 0;
+       int i, lzeros;
 
        if (buf_len < n || !buf || !nbytes)
                return -EINVAL;
@@ -154,14 +171,7 @@ int mpi_read_buffer(MPI a, uint8_t *buf, unsigned buf_len, unsigned *nbytes,
        if (sign)
                *sign = a->sign;
 
-       p = (void *)&a->d[a->nlimbs] - 1;
-
-       for (i = a->nlimbs * sizeof(alimb) - 1; i >= 0; i--, p--) {
-               if (!*p)
-                       lzeros++;
-               else
-                       break;
-       }
+       lzeros = count_lzeros(a);
 
        p = buf;
        *nbytes = n - lzeros;
@@ -343,7 +353,7 @@ int mpi_write_to_sgl(MPI a, struct scatterlist *sgl, unsigned *nbytes,
        u8 *p, *p2;
        mpi_limb_t alimb, alimb2;
        unsigned int n = mpi_get_size(a);
-       int i, x, y = 0, lzeros = 0, buf_len;
+       int i, x, y = 0, lzeros, buf_len;
 
        if (!nbytes || *nbytes < n)
                return -EINVAL;
@@ -351,14 +361,7 @@ int mpi_write_to_sgl(MPI a, struct scatterlist *sgl, unsigned *nbytes,
        if (sign)
                *sign = a->sign;
 
-       p = (void *)&a->d[a->nlimbs] - 1;
-
-       for (i = a->nlimbs * sizeof(alimb) - 1; i >= 0; i--, p--) {
-               if (!*p)
-                       lzeros++;
-               else
-                       break;
-       }
+       lzeros = count_lzeros(a);
 
        *nbytes = n - lzeros;
        buf_len = sgl->length;
index 62fe06bb7d04bacccc8c2213a6a65134fa274010..530e6427f823cd3e3f063eaeced81ebdad32c694 100644 (file)
@@ -2134,10 +2134,9 @@ int khugepaged_enter_vma_merge(struct vm_area_struct *vma,
                 * page fault if needed.
                 */
                return 0;
-       if (vma->vm_ops)
+       if (vma->vm_ops || (vm_flags & VM_NO_THP))
                /* khugepaged not yet working on file or special mappings */
                return 0;
-       VM_BUG_ON_VMA(vm_flags & VM_NO_THP, vma);
        hstart = (vma->vm_start + ~HPAGE_PMD_MASK) & HPAGE_PMD_MASK;
        hend = vma->vm_end & HPAGE_PMD_MASK;
        if (hstart < hend)
@@ -2498,8 +2497,7 @@ static bool hugepage_vma_check(struct vm_area_struct *vma)
                return false;
        if (is_vma_temporary_stack(vma))
                return false;
-       VM_BUG_ON_VMA(vma->vm_flags & VM_NO_THP, vma);
-       return true;
+       return !(vma->vm_flags & VM_NO_THP);
 }
 
 static void collapse_huge_page(struct mm_struct *mm,
index fc0bcc41d57f341fd9dd7464e6bb533a91fbc3b8..6ba4dd988e2e49b1ede4105d5efbcb19e9f3864e 100644 (file)
@@ -196,6 +196,7 @@ static void mem_cgroup_oom_notify(struct mem_cgroup *memcg);
 /* "mc" and its members are protected by cgroup_mutex */
 static struct move_charge_struct {
        spinlock_t        lock; /* for from, to */
+       struct mm_struct  *mm;
        struct mem_cgroup *from;
        struct mem_cgroup *to;
        unsigned long flags;
@@ -4800,6 +4801,8 @@ static void __mem_cgroup_clear_mc(void)
 
 static void mem_cgroup_clear_mc(void)
 {
+       struct mm_struct *mm = mc.mm;
+
        /*
         * we must clear moving_task before waking up waiters at the end of
         * task migration.
@@ -4809,7 +4812,10 @@ static void mem_cgroup_clear_mc(void)
        spin_lock(&mc.lock);
        mc.from = NULL;
        mc.to = NULL;
+       mc.mm = NULL;
        spin_unlock(&mc.lock);
+
+       mmput(mm);
 }
 
 static int mem_cgroup_can_attach(struct cgroup_taskset *tset)
@@ -4866,6 +4872,7 @@ static int mem_cgroup_can_attach(struct cgroup_taskset *tset)
                VM_BUG_ON(mc.moved_swap);
 
                spin_lock(&mc.lock);
+               mc.mm = mm;
                mc.from = from;
                mc.to = memcg;
                mc.flags = move_flags;
@@ -4875,8 +4882,9 @@ static int mem_cgroup_can_attach(struct cgroup_taskset *tset)
                ret = mem_cgroup_precharge_mc(mm);
                if (ret)
                        mem_cgroup_clear_mc();
+       } else {
+               mmput(mm);
        }
-       mmput(mm);
        return ret;
 }
 
@@ -4985,11 +4993,11 @@ put:                    /* get_mctgt_type() gets the page */
        return ret;
 }
 
-static void mem_cgroup_move_charge(struct mm_struct *mm)
+static void mem_cgroup_move_charge(void)
 {
        struct mm_walk mem_cgroup_move_charge_walk = {
                .pmd_entry = mem_cgroup_move_charge_pte_range,
-               .mm = mm,
+               .mm = mc.mm,
        };
 
        lru_add_drain_all();
@@ -5001,7 +5009,7 @@ static void mem_cgroup_move_charge(struct mm_struct *mm)
        atomic_inc(&mc.from->moving_account);
        synchronize_rcu();
 retry:
-       if (unlikely(!down_read_trylock(&mm->mmap_sem))) {
+       if (unlikely(!down_read_trylock(&mc.mm->mmap_sem))) {
                /*
                 * Someone who are holding the mmap_sem might be waiting in
                 * waitq. So we cancel all extra charges, wake up all waiters,
@@ -5018,23 +5026,16 @@ retry:
         * additional charge, the page walk just aborts.
         */
        walk_page_range(0, ~0UL, &mem_cgroup_move_charge_walk);
-       up_read(&mm->mmap_sem);
+       up_read(&mc.mm->mmap_sem);
        atomic_dec(&mc.from->moving_account);
 }
 
-static void mem_cgroup_move_task(struct cgroup_taskset *tset)
+static void mem_cgroup_move_task(void)
 {
-       struct cgroup_subsys_state *css;
-       struct task_struct *p = cgroup_taskset_first(tset, &css);
-       struct mm_struct *mm = get_task_mm(p);
-
-       if (mm) {
-               if (mc.to)
-                       mem_cgroup_move_charge(mm);
-               mmput(mm);
-       }
-       if (mc.to)
+       if (mc.to) {
+               mem_cgroup_move_charge();
                mem_cgroup_clear_mc();
+       }
 }
 #else  /* !CONFIG_MMU */
 static int mem_cgroup_can_attach(struct cgroup_taskset *tset)
@@ -5044,7 +5045,7 @@ static int mem_cgroup_can_attach(struct cgroup_taskset *tset)
 static void mem_cgroup_cancel_attach(struct cgroup_taskset *tset)
 {
 }
-static void mem_cgroup_move_task(struct cgroup_taskset *tset)
+static void mem_cgroup_move_task(void)
 {
 }
 #endif
@@ -5258,7 +5259,7 @@ struct cgroup_subsys memory_cgrp_subsys = {
        .css_reset = mem_cgroup_css_reset,
        .can_attach = mem_cgroup_can_attach,
        .cancel_attach = mem_cgroup_cancel_attach,
-       .attach = mem_cgroup_move_task,
+       .post_attach = mem_cgroup_move_task,
        .bind = mem_cgroup_bind,
        .dfl_cftypes = memory_files,
        .legacy_cftypes = mem_cgroup_legacy_files,
index b80bf4746b67ac0de41505165ef9c147e93e44ef..76dcee3177146f0fa8820c5585f8674271b6f12c 100644 (file)
@@ -797,6 +797,46 @@ out:
        return pfn_to_page(pfn);
 }
 
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+struct page *vm_normal_page_pmd(struct vm_area_struct *vma, unsigned long addr,
+                               pmd_t pmd)
+{
+       unsigned long pfn = pmd_pfn(pmd);
+
+       /*
+        * There is no pmd_special() but there may be special pmds, e.g.
+        * in a direct-access (dax) mapping, so let's just replicate the
+        * !HAVE_PTE_SPECIAL case from vm_normal_page() here.
+        */
+       if (unlikely(vma->vm_flags & (VM_PFNMAP|VM_MIXEDMAP))) {
+               if (vma->vm_flags & VM_MIXEDMAP) {
+                       if (!pfn_valid(pfn))
+                               return NULL;
+                       goto out;
+               } else {
+                       unsigned long off;
+                       off = (addr - vma->vm_start) >> PAGE_SHIFT;
+                       if (pfn == vma->vm_pgoff + off)
+                               return NULL;
+                       if (!is_cow_mapping(vma->vm_flags))
+                               return NULL;
+               }
+       }
+
+       if (is_zero_pfn(pfn))
+               return NULL;
+       if (unlikely(pfn > highest_memmap_pfn))
+               return NULL;
+
+       /*
+        * NOTE! We still have PageReserved() pages in the page tables.
+        * eg. VDSO mappings can cause them to exist.
+        */
+out:
+       return pfn_to_page(pfn);
+}
+#endif
+
 /*
  * copy one vm_area from one task to the other. Assumes the page tables
  * already present in the new task to be cleared in the whole range
index 6d17e0ab42d40f3253df41bbecc1e0d85acb204b..bbeb0b71fcf41b99a0173ba8dbb5990190fb59ce 100644 (file)
@@ -963,7 +963,13 @@ out:
                dec_zone_page_state(page, NR_ISOLATED_ANON +
                                page_is_file_cache(page));
                /* Soft-offlined page shouldn't go through lru cache list */
-               if (reason == MR_MEMORY_FAILURE) {
+               if (reason == MR_MEMORY_FAILURE && rc == MIGRATEPAGE_SUCCESS) {
+                       /*
+                        * With this release, we free successfully migrated
+                        * page and set PG_HWPoison on just freed page
+                        * intentionally. Although it's rather weird, it's how
+                        * HWPoison flag works at the moment.
+                        */
                        put_page(page);
                        if (!test_set_page_hwpoison(page))
                                num_poisoned_pages_inc();
index 46997517406ede0e987388763c9fa1d07875c1db..65d5f92d51d27ec1e0993cbe194eaaaae9bcd503 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2819,6 +2819,7 @@ struct detached_freelist {
        void *tail;
        void *freelist;
        int cnt;
+       struct kmem_cache *s;
 };
 
 /*
@@ -2833,8 +2834,9 @@ struct detached_freelist {
  * synchronization primitive.  Look ahead in the array is limited due
  * to performance reasons.
  */
-static int build_detached_freelist(struct kmem_cache *s, size_t size,
-                                  void **p, struct detached_freelist *df)
+static inline
+int build_detached_freelist(struct kmem_cache *s, size_t size,
+                           void **p, struct detached_freelist *df)
 {
        size_t first_skipped_index = 0;
        int lookahead = 3;
@@ -2850,8 +2852,11 @@ static int build_detached_freelist(struct kmem_cache *s, size_t size,
        if (!object)
                return 0;
 
+       /* Support for memcg, compiler can optimize this out */
+       df->s = cache_from_obj(s, object);
+
        /* Start new detached freelist */
-       set_freepointer(s, object, NULL);
+       set_freepointer(df->s, object, NULL);
        df->page = virt_to_head_page(object);
        df->tail = object;
        df->freelist = object;
@@ -2866,7 +2871,7 @@ static int build_detached_freelist(struct kmem_cache *s, size_t size,
                /* df->page is always set at this point */
                if (df->page == virt_to_head_page(object)) {
                        /* Opportunity build freelist */
-                       set_freepointer(s, object, df->freelist);
+                       set_freepointer(df->s, object, df->freelist);
                        df->freelist = object;
                        df->cnt++;
                        p[size] = NULL; /* mark object processed */
@@ -2885,25 +2890,20 @@ static int build_detached_freelist(struct kmem_cache *s, size_t size,
        return first_skipped_index;
 }
 
-
 /* Note that interrupts must be enabled when calling this function. */
-void kmem_cache_free_bulk(struct kmem_cache *orig_s, size_t size, void **p)
+void kmem_cache_free_bulk(struct kmem_cache *s, size_t size, void **p)
 {
        if (WARN_ON(!size))
                return;
 
        do {
                struct detached_freelist df;
-               struct kmem_cache *s;
-
-               /* Support for memcg */
-               s = cache_from_obj(orig_s, p[size - 1]);
 
                size = build_detached_freelist(s, size, p, &df);
                if (unlikely(!df.page))
                        continue;
 
-               slab_free(s, df.page, df.freelist, df.tail, df.cnt, _RET_IP_);
+               slab_free(df.s, df.page, df.freelist, df.tail, df.cnt,_RET_IP_);
        } while (likely(size));
 }
 EXPORT_SYMBOL(kmem_cache_free_bulk);
index 2aec4241b42a9f0b02c8f4124698d6b595c96390..0c114e2b01d34a43721e11d9a766cae7c35ae485 100644 (file)
@@ -2534,7 +2534,7 @@ static bool shrink_zones(struct zonelist *zonelist, struct scan_control *sc)
                sc->gfp_mask |= __GFP_HIGHMEM;
 
        for_each_zone_zonelist_nodemask(zone, z, zonelist,
-                                       requested_highidx, sc->nodemask) {
+                                       gfp_zone(sc->gfp_mask), sc->nodemask) {
                enum zone_type classzone_idx;
 
                if (!populated_zone(zone))
index 59651af8cc2705b39f3ad1ea71ab0b161668af02..992b35fb8615ca301621f76390a30b160657acc9 100644 (file)
@@ -1305,7 +1305,7 @@ static int netlink_release(struct socket *sock)
 
        skb_queue_purge(&sk->sk_write_queue);
 
-       if (nlk->portid) {
+       if (nlk->portid && nlk->bound) {
                struct netlink_notify n = {
                                                .net = sock_net(sk),
                                                .protocol = sk->sk_protocol,
index 21e20353178e05e4940512141ac50fc41d5f4954..63fb5ee212cf8d168a53ce819d3e3f42a7e53fba 100644 (file)
@@ -1182,14 +1182,14 @@ int sunrpc_cache_pipe_upcall(struct cache_detail *detail, struct cache_head *h)
        }
 
        crq->q.reader = 0;
-       crq->item = cache_get(h);
        crq->buf = buf;
        crq->len = 0;
        crq->readers = 0;
        spin_lock(&queue_lock);
-       if (test_bit(CACHE_PENDING, &h->flags))
+       if (test_bit(CACHE_PENDING, &h->flags)) {
+               crq->item = cache_get(h);
                list_add_tail(&crq->q.list, &detail->queue);
-       else
+       else
                /* Lost a race, no longer PENDING, so don't enqueue */
                ret = -EAGAIN;
        spin_unlock(&queue_lock);
index 75b0d23ee882293a07fb9e236757931780def482..5d89f13a98dbafaa8b8921cd6df2ed7e570ccd66 100644 (file)
@@ -13161,7 +13161,7 @@ static int nl80211_netlink_notify(struct notifier_block * nb,
        struct wireless_dev *wdev;
        struct cfg80211_beacon_registration *reg, *tmp;
 
-       if (state != NETLINK_URELEASE)
+       if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC)
                return NOTIFY_DONE;
 
        rcu_read_lock();
index 0b7dc2fd7bac0e2985a0b16c023b98cca23325e7..dd243d2abd875b535d006535232821eefad3460b 100644 (file)
@@ -267,10 +267,8 @@ int conf_read_simple(const char *name, int def)
                if (in)
                        goto load;
                sym_add_change_count(1);
-               if (!sym_defconfig_list) {
-                       sym_calc_value(modules_sym);
+               if (!sym_defconfig_list)
                        return 1;
-               }
 
                for_all_defaults(sym_defconfig_list, prop) {
                        if (expr_calc_value(prop->visible.expr) == no ||
@@ -403,7 +401,6 @@ setsym:
        }
        free(line);
        fclose(in);
-       sym_calc_value(modules_sym);
        return 0;
 }
 
@@ -414,8 +411,12 @@ int conf_read(const char *name)
 
        sym_set_change_count(0);
 
-       if (conf_read_simple(name, S_DEF_USER))
+       if (conf_read_simple(name, S_DEF_USER)) {
+               sym_calc_value(modules_sym);
                return 1;
+       }
+
+       sym_calc_value(modules_sym);
 
        for_all_symbols(i, sym) {
                sym_calc_value(sym);
@@ -846,6 +847,7 @@ static int conf_split_config(void)
 
        name = conf_get_autoconfig_name();
        conf_read_simple(name, S_DEF_AUTO);
+       sym_calc_value(modules_sym);
 
        if (chdir("include/config"))
                return 1;
index 5c4fa8eba1d023c3f1e004e42e46424ac26c58e9..367dbf0d285e322eaf5ac8069ce6efb3d07a85a9 100644 (file)
@@ -843,7 +843,7 @@ static hda_nid_t path_power_update(struct hda_codec *codec,
                                   bool allow_powerdown)
 {
        hda_nid_t nid, changed = 0;
-       int i, state;
+       int i, state, power;
 
        for (i = 0; i < path->depth; i++) {
                nid = path->path[i];
@@ -855,7 +855,9 @@ static hda_nid_t path_power_update(struct hda_codec *codec,
                        state = AC_PWRST_D0;
                else
                        state = AC_PWRST_D3;
-               if (!snd_hda_check_power_state(codec, nid, state)) {
+               power = snd_hda_codec_read(codec, nid, 0,
+                                          AC_VERB_GET_POWER_STATE, 0);
+               if (power != (state | (state << 4))) {
                        snd_hda_codec_write(codec, nid, 0,
                                            AC_VERB_SET_POWER_STATE, state);
                        changed = nid;
index 2ff692dd2c5f79ef577aa3be3b6df5326e3d8470..411630e9c034aec5136fd67ee5013331db25f175 100644 (file)
@@ -2207,6 +2207,9 @@ static const struct pci_device_id azx_ids[] = {
        /* Broxton-P(Apollolake) */
        { PCI_DEVICE(0x8086, 0x5a98),
          .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON },
+       /* Broxton-T */
+       { PCI_DEVICE(0x8086, 0x1a98),
+         .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_BROXTON },
        /* Haswell */
        { PCI_DEVICE(0x8086, 0x0a0c),
          .driver_data = AZX_DRIVER_HDMI | AZX_DCAPS_INTEL_HASWELL },
index a47e8ae0eb308355416886d4753c9f950bd0cd56..80bbadc83721447754392238118eee98484616b6 100644 (file)
@@ -361,6 +361,7 @@ static int cs_parse_auto_config(struct hda_codec *codec)
 {
        struct cs_spec *spec = codec->spec;
        int err;
+       int i;
 
        err = snd_hda_parse_pin_defcfg(codec, &spec->gen.autocfg, NULL, 0);
        if (err < 0)
@@ -370,6 +371,19 @@ static int cs_parse_auto_config(struct hda_codec *codec)
        if (err < 0)
                return err;
 
+       /* keep the ADCs powered up when it's dynamically switchable */
+       if (spec->gen.dyn_adc_switch) {
+               unsigned int done = 0;
+               for (i = 0; i < spec->gen.input_mux.num_items; i++) {
+                       int idx = spec->gen.dyn_adc_idx[i];
+                       if (done & (1 << idx))
+                               continue;
+                       snd_hda_gen_fix_pin_power(codec,
+                                                 spec->gen.adc_nids[idx]);
+                       done |= 1 << idx;
+               }
+       }
+
        return 0;
 }
 
index 1402ba954b3daf70650a8ceca9f0ac20eea2084e..ac4490a968638ff7eed3b4007ccdcda8a7b81cea 100644 (file)
@@ -5449,6 +5449,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x1028, 0x064a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1028, 0x064b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1028, 0x0665, "Dell XPS 13", ALC288_FIXUP_DELL_XPS_13),
+       SND_PCI_QUIRK(0x1028, 0x0669, "Dell Optiplex 9020m", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1028, 0x069a, "Dell Vostro 5480", ALC290_FIXUP_SUBWOOFER_HSJACK),
        SND_PCI_QUIRK(0x1028, 0x06c7, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1028, 0x06d9, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
@@ -5583,6 +5584,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
        SND_PCI_QUIRK(0x17aa, 0x5034, "Thinkpad T450", ALC292_FIXUP_TPT440_DOCK),
        SND_PCI_QUIRK(0x17aa, 0x5036, "Thinkpad T450s", ALC292_FIXUP_TPT440_DOCK),
        SND_PCI_QUIRK(0x17aa, 0x503c, "Thinkpad L450", ALC292_FIXUP_TPT440_DOCK),
+       SND_PCI_QUIRK(0x17aa, 0x504a, "ThinkPad X260", ALC292_FIXUP_TPT440_DOCK),
        SND_PCI_QUIRK(0x17aa, 0x504b, "Thinkpad", ALC293_FIXUP_LENOVO_SPK_NOISE),
        SND_PCI_QUIRK(0x17aa, 0x5109, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST),
        SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K),
index c5194f5b150aadb7d0b08cd5831aab2a03f2392d..d7e71f3092998cdaa3894adefdd9468c236bb24e 100644 (file)
@@ -1341,5 +1341,6 @@ irqreturn_t pcxhr_threaded_irq(int irq, void *dev_id)
        }
 
        pcxhr_msg_thread(mgr);
+       mutex_unlock(&mgr->lock);
        return IRQ_HANDLED;
 }
index f2beb1aa5763dfe99dc6de821f4c9367446773a7..b1c8bb39cdf1e829e9ea79d4c1d2ae974da432d6 100644 (file)
@@ -359,7 +359,7 @@ static const DECLARE_TLV_DB_RANGE(bst_tlv,
 
 /* Interface data select */
 static const char * const rt5640_data_select[] = {
-       "Normal", "left copy to right", "right copy to left", "Swap"};
+       "Normal", "Swap", "left copy to right", "right copy to left"};
 
 static SOC_ENUM_SINGLE_DECL(rt5640_if1_dac_enum, RT5640_DIG_INF_DATA,
                            RT5640_IF1_DAC_SEL_SFT, rt5640_data_select);
index 3deb8babeabb691d37a314bb3ab19c84d5c9cd1f..243f42633989775f6326d079c72ba23406518a53 100644 (file)
 #define RT5640_IF1_DAC_SEL_MASK                        (0x3 << 14)
 #define RT5640_IF1_DAC_SEL_SFT                 14
 #define RT5640_IF1_DAC_SEL_NOR                 (0x0 << 14)
-#define RT5640_IF1_DAC_SEL_L2R                 (0x1 << 14)
-#define RT5640_IF1_DAC_SEL_R2L                 (0x2 << 14)
-#define RT5640_IF1_DAC_SEL_SWAP                        (0x3 << 14)
+#define RT5640_IF1_DAC_SEL_SWAP                        (0x1 << 14)
+#define RT5640_IF1_DAC_SEL_L2R                 (0x2 << 14)
+#define RT5640_IF1_DAC_SEL_R2L                 (0x3 << 14)
 #define RT5640_IF1_ADC_SEL_MASK                        (0x3 << 12)
 #define RT5640_IF1_ADC_SEL_SFT                 12
 #define RT5640_IF1_ADC_SEL_NOR                 (0x0 << 12)
-#define RT5640_IF1_ADC_SEL_L2R                 (0x1 << 12)
-#define RT5640_IF1_ADC_SEL_R2L                 (0x2 << 12)
-#define RT5640_IF1_ADC_SEL_SWAP                        (0x3 << 12)
+#define RT5640_IF1_ADC_SEL_SWAP                        (0x1 << 12)
+#define RT5640_IF1_ADC_SEL_L2R                 (0x2 << 12)
+#define RT5640_IF1_ADC_SEL_R2L                 (0x3 << 12)
 #define RT5640_IF2_DAC_SEL_MASK                        (0x3 << 10)
 #define RT5640_IF2_DAC_SEL_SFT                 10
 #define RT5640_IF2_DAC_SEL_NOR                 (0x0 << 10)
-#define RT5640_IF2_DAC_SEL_L2R                 (0x1 << 10)
-#define RT5640_IF2_DAC_SEL_R2L                 (0x2 << 10)
-#define RT5640_IF2_DAC_SEL_SWAP                        (0x3 << 10)
+#define RT5640_IF2_DAC_SEL_SWAP                        (0x1 << 10)
+#define RT5640_IF2_DAC_SEL_L2R                 (0x2 << 10)
+#define RT5640_IF2_DAC_SEL_R2L                 (0x3 << 10)
 #define RT5640_IF2_ADC_SEL_MASK                        (0x3 << 8)
 #define RT5640_IF2_ADC_SEL_SFT                 8
 #define RT5640_IF2_ADC_SEL_NOR                 (0x0 << 8)
-#define RT5640_IF2_ADC_SEL_L2R                 (0x1 << 8)
-#define RT5640_IF2_ADC_SEL_R2L                 (0x2 << 8)
-#define RT5640_IF2_ADC_SEL_SWAP                        (0x3 << 8)
+#define RT5640_IF2_ADC_SEL_SWAP                        (0x1 << 8)
+#define RT5640_IF2_ADC_SEL_L2R                 (0x2 << 8)
+#define RT5640_IF2_ADC_SEL_R2L                 (0x3 << 8)
 #define RT5640_IF3_DAC_SEL_MASK                        (0x3 << 6)
 #define RT5640_IF3_DAC_SEL_SFT                 6
 #define RT5640_IF3_DAC_SEL_NOR                 (0x0 << 6)
-#define RT5640_IF3_DAC_SEL_L2R                 (0x1 << 6)
-#define RT5640_IF3_DAC_SEL_R2L                 (0x2 << 6)
-#define RT5640_IF3_DAC_SEL_SWAP                        (0x3 << 6)
+#define RT5640_IF3_DAC_SEL_SWAP                        (0x1 << 6)
+#define RT5640_IF3_DAC_SEL_L2R                 (0x2 << 6)
+#define RT5640_IF3_DAC_SEL_R2L                 (0x3 << 6)
 #define RT5640_IF3_ADC_SEL_MASK                        (0x3 << 4)
 #define RT5640_IF3_ADC_SEL_SFT                 4
 #define RT5640_IF3_ADC_SEL_NOR                 (0x0 << 4)
-#define RT5640_IF3_ADC_SEL_L2R                 (0x1 << 4)
-#define RT5640_IF3_ADC_SEL_R2L                 (0x2 << 4)
-#define RT5640_IF3_ADC_SEL_SWAP                        (0x3 << 4)
+#define RT5640_IF3_ADC_SEL_SWAP                        (0x1 << 4)
+#define RT5640_IF3_ADC_SEL_L2R                 (0x2 << 4)
+#define RT5640_IF3_ADC_SEL_R2L                 (0x3 << 4)
 
 /* REC Left Mixer Control 1 (0x3b) */
 #define RT5640_G_HP_L_RM_L_MASK                        (0x7 << 13)
index e619d5651b09bbd6401cdea6734acf0a4a6f17dc..080c78e88e102199cb9b8923f0556ce084ad22d8 100644 (file)
@@ -352,6 +352,11 @@ static int ssm4567_set_power(struct ssm4567 *ssm4567, bool enable)
        regcache_cache_only(ssm4567->regmap, !enable);
 
        if (enable) {
+               ret = regmap_write(ssm4567->regmap, SSM4567_REG_SOFT_RESET,
+                       0x00);
+               if (ret)
+                       return ret;
+
                ret = regmap_update_bits(ssm4567->regmap,
                        SSM4567_REG_POWER_CTRL,
                        SSM4567_POWER_SPWDN, 0x00);
index df65c5b494b17aad482c7821586b6ed6832bf9f6..b6ab3fc5789e89a92b937e1b2c95a1c6fa2c0063 100644 (file)
@@ -709,7 +709,7 @@ static int s3c2412_i2s_resume(struct snd_soc_dai *dai)
 #endif
 
 int s3c_i2sv2_register_component(struct device *dev, int id,
-                          struct snd_soc_component_driver *cmp_drv,
+                          const struct snd_soc_component_driver *cmp_drv,
                           struct snd_soc_dai_driver *dai_drv)
 {
        struct snd_soc_dai_ops *ops = (struct snd_soc_dai_ops *)dai_drv->ops;
index 90abab364b495fd18d11ed421a37bc123e3fa45e..d0684145ed1fd50967c1ce27075af3636aec15aa 100644 (file)
@@ -101,7 +101,7 @@ extern int s3c_i2sv2_probe(struct snd_soc_dai *dai,
  * soc core.
  */
 extern int s3c_i2sv2_register_component(struct device *dev, int id,
-                                       struct snd_soc_component_driver *cmp_drv,
+                                       const struct snd_soc_component_driver *cmp_drv,
                                        struct snd_soc_dai_driver *dai_drv);
 
 #endif /* __SND_SOC_S3C24XX_S3C_I2SV2_I2S_H */
index 416514fe9e6350a80fcdf60770a9079029a687cb..afb70a5d4fd3552964917abe09a88c60e0f8c8d7 100644 (file)
@@ -2188,6 +2188,13 @@ static ssize_t dapm_widget_show_component(struct snd_soc_component *cmpnt,
        int count = 0;
        char *state = "not set";
 
+       /* card won't be set for the dummy component, as a spot fix
+        * we're checking for that case specifically here but in future
+        * we will ensure that the dummy component looks like others.
+        */
+       if (!cmpnt->card)
+               return 0;
+
        list_for_each_entry(w, &cmpnt->card->widgets, list) {
                if (w->dapm != dapm)
                        continue;
index 4e074a6608269793d52a2ea4f28061532bb9798b..90c3558c2c12fd5b2420f7e5ee7b3129fbd77255 100644 (file)
@@ -62,6 +62,14 @@ OPTIONS
 --scale::
        scale/normalize counter values
 
+-d::
+--detailed::
+       print more detailed statistics, can be specified up to 3 times
+
+          -d:          detailed events, L1 and LLC data cache
+        -d -d:     more detailed events, dTLB and iTLB events
+     -d -d -d:     very detailed events, adding prefetch events
+
 -r::
 --repeat=<n>::
        repeat command and print average + stddev (max: 100). 0 means forever.
index 81def6c3f24bf16397c8e15d26178cd4957bd86f..3900386a3629410b903223642b449159ecd18e13 100644 (file)
@@ -2059,10 +2059,12 @@ skip_annotation:
                         *
                         * See hist_browser__show_entry.
                         */
-                       nr_options += add_script_opt(browser,
-                                                    &actions[nr_options],
-                                                    &options[nr_options],
-                                                    NULL, browser->selection->sym);
+                       if (sort__has_sym && browser->selection->sym) {
+                               nr_options += add_script_opt(browser,
+                                                            &actions[nr_options],
+                                                            &options[nr_options],
+                                                            NULL, browser->selection->sym);
+                       }
                }
                nr_options += add_script_opt(browser, &actions[nr_options],
                                             &options[nr_options], NULL, NULL);
index 8b10621b415c684564a6dd5af130ebc9d3ab33c7..956187bf1a8532454dec1c2aa8fa4c4a9a827928 100644 (file)
@@ -274,7 +274,7 @@ int perf_event__synthesize_mmap_events(struct perf_tool *tool,
                strcpy(execname, "");
 
                /* 00400000-0040c000 r-xp 00000000 fd:01 41038  /bin/cat */
-               n = sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %x:%x %u %s\n",
+               n = sscanf(bf, "%"PRIx64"-%"PRIx64" %s %"PRIx64" %x:%x %u %[^\n]\n",
                       &event->mmap2.start, &event->mmap2.len, prot,
                       &event->mmap2.pgoff, &event->mmap2.maj,
                       &event->mmap2.min,
index d1392194a9a951bd3e1dd5c9b72fd383ede98439..b4b96120fc3b4336749e97a7ede90725c1c4340e 100644 (file)
@@ -1211,12 +1211,12 @@ void perf_evlist__set_maps(struct perf_evlist *evlist, struct cpu_map *cpus,
         */
        if (cpus != evlist->cpus) {
                cpu_map__put(evlist->cpus);
-               evlist->cpus = cpus;
+               evlist->cpus = cpu_map__get(cpus);
        }
 
        if (threads != evlist->threads) {
                thread_map__put(evlist->threads);
-               evlist->threads = threads;
+               evlist->threads = thread_map__get(threads);
        }
 
        perf_evlist__propagate_maps(evlist);
index 97f963a3dcb95157f8dcaf3e568d3ac487989608..9227c2f076c36195ec476dc64d6236341026decd 100644 (file)
@@ -1127,7 +1127,7 @@ static int intel_pt_synth_transaction_sample(struct intel_pt_queue *ptq)
                pr_err("Intel Processor Trace: failed to deliver transaction event, error %d\n",
                       ret);
 
-       if (pt->synth_opts.callchain)
+       if (pt->synth_opts.last_branch)
                intel_pt_reset_last_branch_rb(ptq);
 
        return ret;
index ea6064696fe43867d1d1baee35059b276d84817b..a7b9022b5c8fc07eaf381059618c25ebee70dc0c 100644 (file)
@@ -86,6 +86,8 @@ static void kvm_timer_inject_irq_work(struct work_struct *work)
        vcpu = container_of(work, struct kvm_vcpu, arch.timer_cpu.expired);
        vcpu->arch.timer_cpu.armed = false;
 
+       WARN_ON(!kvm_timer_should_fire(vcpu));
+
        /*
         * If the vcpu is blocked we want to wake it up so that it will see
         * the timer has expired when entering the guest.
@@ -93,10 +95,46 @@ static void kvm_timer_inject_irq_work(struct work_struct *work)
        kvm_vcpu_kick(vcpu);
 }
 
+static u64 kvm_timer_compute_delta(struct kvm_vcpu *vcpu)
+{
+       cycle_t cval, now;
+
+       cval = vcpu->arch.timer_cpu.cntv_cval;
+       now = kvm_phys_timer_read() - vcpu->kvm->arch.timer.cntvoff;
+
+       if (now < cval) {
+               u64 ns;
+
+               ns = cyclecounter_cyc2ns(timecounter->cc,
+                                        cval - now,
+                                        timecounter->mask,
+                                        &timecounter->frac);
+               return ns;
+       }
+
+       return 0;
+}
+
 static enum hrtimer_restart kvm_timer_expire(struct hrtimer *hrt)
 {
        struct arch_timer_cpu *timer;
+       struct kvm_vcpu *vcpu;
+       u64 ns;
+
        timer = container_of(hrt, struct arch_timer_cpu, timer);
+       vcpu = container_of(timer, struct kvm_vcpu, arch.timer_cpu);
+
+       /*
+        * Check that the timer has really expired from the guest's
+        * PoV (NTP on the host may have forced it to expire
+        * early). If we should have slept longer, restart it.
+        */
+       ns = kvm_timer_compute_delta(vcpu);
+       if (unlikely(ns)) {
+               hrtimer_forward_now(hrt, ns_to_ktime(ns));
+               return HRTIMER_RESTART;
+       }
+
        queue_work(wqueue, &timer->expired);
        return HRTIMER_NORESTART;
 }
@@ -170,8 +208,6 @@ static int kvm_timer_update_state(struct kvm_vcpu *vcpu)
 void kvm_timer_schedule(struct kvm_vcpu *vcpu)
 {
        struct arch_timer_cpu *timer = &vcpu->arch.timer_cpu;
-       u64 ns;
-       cycle_t cval, now;
 
        BUG_ON(timer_is_armed(timer));
 
@@ -191,14 +227,7 @@ void kvm_timer_schedule(struct kvm_vcpu *vcpu)
                return;
 
        /*  The timer has not yet expired, schedule a background timer */
-       cval = timer->cntv_cval;
-       now = kvm_phys_timer_read() - vcpu->kvm->arch.timer.cntvoff;
-
-       ns = cyclecounter_cyc2ns(timecounter->cc,
-                                cval - now,
-                                timecounter->mask,
-                                &timecounter->frac);
-       timer_arm(timer, ns);
+       timer_arm(timer, kvm_timer_compute_delta(vcpu));
 }
 
 void kvm_timer_unschedule(struct kvm_vcpu *vcpu)