diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 2f88d8d..48c19d4 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1413,6 +1413,16 @@ config PL310_ERRATA_769419 on systems with an outer cache, the store buffer is drained explicitly. +config ARM_ERRATA_775420 + bool "ARM errata: A data cache maintenance operation which aborts, might lead to deadlock" + depends on CPU_V7 + help + This option enables the workaround for the 775420 Cortex-A9 (r2p2, + r2p6,r2p8,r2p10,r3p0) erratum. In case a date cache maintenance + operation aborts with MMU exception, it might cause the processor + to deadlock. This workaround puts DSB before executing ISB if + an abort may occur on cache maintenance. + endmenu source "arch/arm/common/Kconfig" diff --git a/arch/arm/include/asm/vfpmacros.h b/arch/arm/include/asm/vfpmacros.h index 3d5fc41..bf53047 100644 --- a/arch/arm/include/asm/vfpmacros.h +++ b/arch/arm/include/asm/vfpmacros.h @@ -28,7 +28,7 @@ ldr \tmp, =elf_hwcap @ may not have MVFR regs ldr \tmp, [\tmp, #0] tst \tmp, #HWCAP_VFPv3D16 - ldceq p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31} + ldceql p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31} addne \base, \base, #32*4 @ step over unused register space #else VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0 @@ -52,7 +52,7 @@ ldr \tmp, =elf_hwcap @ may not have MVFR regs ldr \tmp, [\tmp, #0] tst \tmp, #HWCAP_VFPv3D16 - stceq p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31} + stceql p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31} addne \base, \base, #32*4 @ step over unused register space #else VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0 diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index 39e3fb3..3b17227 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -211,6 +211,9 @@ ENTRY(v7_coherent_user_range) * isn't mapped, fail with -EFAULT. */ 9001: +#ifdef CONFIG_ARM_ERRATA_775420 + dsb +#endif mov r0, #-EFAULT mov pc, lr UNWIND(.fnend ) diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c index dbf1e03..2bc51fb 100644 --- a/arch/arm/plat-omap/counter_32k.c +++ b/arch/arm/plat-omap/counter_32k.c @@ -55,22 +55,29 @@ static u32 notrace omap_32k_read_sched_clock(void) * nsecs and adds to a monotonically increasing timespec. */ static struct timespec persistent_ts; -static cycles_t cycles, last_cycles; +static cycles_t cycles; static unsigned int persistent_mult, persistent_shift; +static DEFINE_SPINLOCK(read_persistent_clock_lock); + static void omap_read_persistent_clock(struct timespec *ts) { unsigned long long nsecs; - cycles_t delta; - struct timespec *tsp = &persistent_ts; + cycles_t last_cycles; + unsigned long flags; + + spin_lock_irqsave(&read_persistent_clock_lock, flags); last_cycles = cycles; cycles = sync32k_cnt_reg ? __raw_readl(sync32k_cnt_reg) : 0; - delta = cycles - last_cycles; - nsecs = clocksource_cyc2ns(delta, persistent_mult, persistent_shift); + nsecs = clocksource_cyc2ns(cycles - last_cycles, + persistent_mult, persistent_shift); + + timespec_add_ns(&persistent_ts, nsecs); + + *ts = persistent_ts; - timespec_add_ns(tsp, nsecs); - *ts = *tsp; + spin_unlock_irqrestore(&read_persistent_clock_lock, flags); } /** diff --git a/arch/mips/ath79/clock.c b/arch/mips/ath79/clock.c index d272857..579f452 100644 --- a/arch/mips/ath79/clock.c +++ b/arch/mips/ath79/clock.c @@ -17,6 +17,8 @@ #include #include +#include + #include #include #include "common.h" @@ -166,11 +168,34 @@ static void __init ar933x_clocks_init(void) ath79_uart_clk.rate = ath79_ref_clk.rate; } +static u32 __init ar934x_get_pll_freq(u32 ref, u32 ref_div, u32 nint, u32 nfrac, + u32 frac, u32 out_div) +{ + u64 t; + u32 ret; + + t = ath79_ref_clk.rate; + t *= nint; + do_div(t, ref_div); + ret = t; + + t = ath79_ref_clk.rate; + t *= nfrac; + do_div(t, ref_div * frac); + ret += t; + + ret /= (1 << out_div); + return ret; +} + static void __init ar934x_clocks_init(void) { - u32 pll, out_div, ref_div, nint, frac, clk_ctrl, postdiv; + u32 pll, out_div, ref_div, nint, nfrac, frac, clk_ctrl, postdiv; u32 cpu_pll, ddr_pll; u32 bootstrap; + void __iomem *dpll_base; + + dpll_base = ioremap(AR934X_SRIF_BASE, AR934X_SRIF_SIZE); bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP); if (bootstrap & AR934X_BOOTSTRAP_REF_CLK_40) @@ -178,33 +203,59 @@ static void __init ar934x_clocks_init(void) else ath79_ref_clk.rate = 25 * 1000 * 1000; - pll = ath79_pll_rr(AR934X_PLL_CPU_CONFIG_REG); - out_div = (pll >> AR934X_PLL_CPU_CONFIG_OUTDIV_SHIFT) & - AR934X_PLL_CPU_CONFIG_OUTDIV_MASK; - ref_div = (pll >> AR934X_PLL_CPU_CONFIG_REFDIV_SHIFT) & - AR934X_PLL_CPU_CONFIG_REFDIV_MASK; - nint = (pll >> AR934X_PLL_CPU_CONFIG_NINT_SHIFT) & - AR934X_PLL_CPU_CONFIG_NINT_MASK; - frac = (pll >> AR934X_PLL_CPU_CONFIG_NFRAC_SHIFT) & - AR934X_PLL_CPU_CONFIG_NFRAC_MASK; - - cpu_pll = nint * ath79_ref_clk.rate / ref_div; - cpu_pll += frac * ath79_ref_clk.rate / (ref_div * (1 << 6)); - cpu_pll /= (1 << out_div); - - pll = ath79_pll_rr(AR934X_PLL_DDR_CONFIG_REG); - out_div = (pll >> AR934X_PLL_DDR_CONFIG_OUTDIV_SHIFT) & - AR934X_PLL_DDR_CONFIG_OUTDIV_MASK; - ref_div = (pll >> AR934X_PLL_DDR_CONFIG_REFDIV_SHIFT) & - AR934X_PLL_DDR_CONFIG_REFDIV_MASK; - nint = (pll >> AR934X_PLL_DDR_CONFIG_NINT_SHIFT) & - AR934X_PLL_DDR_CONFIG_NINT_MASK; - frac = (pll >> AR934X_PLL_DDR_CONFIG_NFRAC_SHIFT) & - AR934X_PLL_DDR_CONFIG_NFRAC_MASK; - - ddr_pll = nint * ath79_ref_clk.rate / ref_div; - ddr_pll += frac * ath79_ref_clk.rate / (ref_div * (1 << 10)); - ddr_pll /= (1 << out_div); + pll = __raw_readl(dpll_base + AR934X_SRIF_CPU_DPLL2_REG); + if (pll & AR934X_SRIF_DPLL2_LOCAL_PLL) { + out_div = (pll >> AR934X_SRIF_DPLL2_OUTDIV_SHIFT) & + AR934X_SRIF_DPLL2_OUTDIV_MASK; + pll = __raw_readl(dpll_base + AR934X_SRIF_CPU_DPLL1_REG); + nint = (pll >> AR934X_SRIF_DPLL1_NINT_SHIFT) & + AR934X_SRIF_DPLL1_NINT_MASK; + nfrac = pll & AR934X_SRIF_DPLL1_NFRAC_MASK; + ref_div = (pll >> AR934X_SRIF_DPLL1_REFDIV_SHIFT) & + AR934X_SRIF_DPLL1_REFDIV_MASK; + frac = 1 << 18; + } else { + pll = ath79_pll_rr(AR934X_PLL_CPU_CONFIG_REG); + out_div = (pll >> AR934X_PLL_CPU_CONFIG_OUTDIV_SHIFT) & + AR934X_PLL_CPU_CONFIG_OUTDIV_MASK; + ref_div = (pll >> AR934X_PLL_CPU_CONFIG_REFDIV_SHIFT) & + AR934X_PLL_CPU_CONFIG_REFDIV_MASK; + nint = (pll >> AR934X_PLL_CPU_CONFIG_NINT_SHIFT) & + AR934X_PLL_CPU_CONFIG_NINT_MASK; + nfrac = (pll >> AR934X_PLL_CPU_CONFIG_NFRAC_SHIFT) & + AR934X_PLL_CPU_CONFIG_NFRAC_MASK; + frac = 1 << 6; + } + + cpu_pll = ar934x_get_pll_freq(ath79_ref_clk.rate, ref_div, nint, + nfrac, frac, out_div); + + pll = __raw_readl(dpll_base + AR934X_SRIF_DDR_DPLL2_REG); + if (pll & AR934X_SRIF_DPLL2_LOCAL_PLL) { + out_div = (pll >> AR934X_SRIF_DPLL2_OUTDIV_SHIFT) & + AR934X_SRIF_DPLL2_OUTDIV_MASK; + pll = __raw_readl(dpll_base + AR934X_SRIF_DDR_DPLL1_REG); + nint = (pll >> AR934X_SRIF_DPLL1_NINT_SHIFT) & + AR934X_SRIF_DPLL1_NINT_MASK; + nfrac = pll & AR934X_SRIF_DPLL1_NFRAC_MASK; + ref_div = (pll >> AR934X_SRIF_DPLL1_REFDIV_SHIFT) & + AR934X_SRIF_DPLL1_REFDIV_MASK; + frac = 1 << 18; + } else { + pll = ath79_pll_rr(AR934X_PLL_DDR_CONFIG_REG); + out_div = (pll >> AR934X_PLL_DDR_CONFIG_OUTDIV_SHIFT) & + AR934X_PLL_DDR_CONFIG_OUTDIV_MASK; + ref_div = (pll >> AR934X_PLL_DDR_CONFIG_REFDIV_SHIFT) & + AR934X_PLL_DDR_CONFIG_REFDIV_MASK; + nint = (pll >> AR934X_PLL_DDR_CONFIG_NINT_SHIFT) & + AR934X_PLL_DDR_CONFIG_NINT_MASK; + nfrac = (pll >> AR934X_PLL_DDR_CONFIG_NFRAC_SHIFT) & + AR934X_PLL_DDR_CONFIG_NFRAC_MASK; + frac = 1 << 10; + } + + ddr_pll = ar934x_get_pll_freq(ath79_ref_clk.rate, ref_div, nint, + nfrac, frac, out_div); clk_ctrl = ath79_pll_rr(AR934X_PLL_CPU_DDR_CLK_CTRL_REG); @@ -240,6 +291,8 @@ static void __init ar934x_clocks_init(void) ath79_wdt_clk.rate = ath79_ref_clk.rate; ath79_uart_clk.rate = ath79_ref_clk.rate; + + iounmap(dpll_base); } void __init ath79_clocks_init(void) diff --git a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h index dde5044..31a9a7c 100644 --- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h +++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h @@ -63,6 +63,8 @@ #define AR934X_WMAC_BASE (AR71XX_APB_BASE + 0x00100000) #define AR934X_WMAC_SIZE 0x20000 +#define AR934X_SRIF_BASE (AR71XX_APB_BASE + 0x00116000) +#define AR934X_SRIF_SIZE 0x1000 /* * DDR_CTRL block @@ -399,4 +401,25 @@ #define AR933X_GPIO_COUNT 30 #define AR934X_GPIO_COUNT 23 +/* + * SRIF block + */ +#define AR934X_SRIF_CPU_DPLL1_REG 0x1c0 +#define AR934X_SRIF_CPU_DPLL2_REG 0x1c4 +#define AR934X_SRIF_CPU_DPLL3_REG 0x1c8 + +#define AR934X_SRIF_DDR_DPLL1_REG 0x240 +#define AR934X_SRIF_DDR_DPLL2_REG 0x244 +#define AR934X_SRIF_DDR_DPLL3_REG 0x248 + +#define AR934X_SRIF_DPLL1_REFDIV_SHIFT 27 +#define AR934X_SRIF_DPLL1_REFDIV_MASK 0x1f +#define AR934X_SRIF_DPLL1_NINT_SHIFT 18 +#define AR934X_SRIF_DPLL1_NINT_MASK 0x1ff +#define AR934X_SRIF_DPLL1_NFRAC_MASK 0x0003ffff + +#define AR934X_SRIF_DPLL2_LOCAL_PLL BIT(30) +#define AR934X_SRIF_DPLL2_OUTDIV_SHIFT 13 +#define AR934X_SRIF_DPLL2_OUTDIV_MASK 0x7 + #endif /* __ASM_MACH_AR71XX_REGS_H */ diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c index f4546e9..23817a6 100644 --- a/arch/mips/kernel/kgdb.c +++ b/arch/mips/kernel/kgdb.c @@ -283,6 +283,15 @@ static int kgdb_mips_notify(struct notifier_block *self, unsigned long cmd, struct pt_regs *regs = args->regs; int trap = (regs->cp0_cause & 0x7c) >> 2; +#ifdef CONFIG_KPROBES + /* + * Return immediately if the kprobes fault notifier has set + * DIE_PAGE_FAULT. + */ + if (cmd == DIE_PAGE_FAULT) + return NOTIFY_DONE; +#endif /* CONFIG_KPROBES */ + /* Userspace events, ignore. */ if (user_mode(regs)) return NOTIFY_DONE; diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 58790bd..05afcca 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -142,7 +142,7 @@ KBUILD_CFLAGS += $(call cc-option,-mno-avx,) KBUILD_CFLAGS += $(mflags-y) KBUILD_AFLAGS += $(mflags-y) -archscripts: +archscripts: scripts_basic $(Q)$(MAKE) $(build)=arch/x86/tools relocs ### diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 1fbe75a..c1461de 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -984,7 +984,16 @@ static void xen_write_cr4(unsigned long cr4) native_write_cr4(cr4); } - +#ifdef CONFIG_X86_64 +static inline unsigned long xen_read_cr8(void) +{ + return 0; +} +static inline void xen_write_cr8(unsigned long val) +{ + BUG_ON(val); +} +#endif static int xen_write_msr_safe(unsigned int msr, unsigned low, unsigned high) { int ret; @@ -1153,6 +1162,11 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = { .read_cr4_safe = native_read_cr4_safe, .write_cr4 = xen_write_cr4, +#ifdef CONFIG_X86_64 + .read_cr8 = xen_read_cr8, + .write_cr8 = xen_write_cr8, +#endif + .wbinvd = native_wbinvd, .read_msr = native_read_msr_safe, @@ -1161,6 +1175,8 @@ static const struct pv_cpu_ops xen_cpu_ops __initconst = { .read_tsc = native_read_tsc, .read_pmc = native_read_pmc, + .read_tscp = native_read_tscp, + .iret = xen_iret, .irq_enable_sysexit = xen_sysexit, #ifdef CONFIG_X86_64 diff --git a/block/blk-core.c b/block/blk-core.c index ee3cb3a..8471fb7 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -696,7 +696,7 @@ blk_init_allocated_queue(struct request_queue *q, request_fn_proc *rfn, q->request_fn = rfn; q->prep_rq_fn = NULL; q->unprep_rq_fn = NULL; - q->queue_flags = QUEUE_FLAG_DEFAULT; + q->queue_flags |= QUEUE_FLAG_DEFAULT; /* Override internal queue lock with supplied lock pointer */ if (lock) diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 7edaccc..a51df96 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -71,9 +71,6 @@ enum ec_command { #define ACPI_EC_UDELAY_GLK 1000 /* Wait 1ms max. to get global lock */ #define ACPI_EC_MSI_UDELAY 550 /* Wait 550us for MSI EC */ -#define ACPI_EC_STORM_THRESHOLD 8 /* number of false interrupts - per one transaction */ - enum { EC_FLAGS_QUERY_PENDING, /* Query is pending */ EC_FLAGS_GPE_STORM, /* GPE storm detected */ @@ -87,6 +84,15 @@ static unsigned int ec_delay __read_mostly = ACPI_EC_DELAY; module_param(ec_delay, uint, 0644); MODULE_PARM_DESC(ec_delay, "Timeout(ms) waited until an EC command completes"); +/* + * If the number of false interrupts per one transaction exceeds + * this threshold, will think there is a GPE storm happened and + * will disable the GPE for normal transaction. + */ +static unsigned int ec_storm_threshold __read_mostly = 8; +module_param(ec_storm_threshold, uint, 0644); +MODULE_PARM_DESC(ec_storm_threshold, "Maxim false GPE numbers not considered as GPE storm"); + /* If we find an EC via the ECDT, we need to keep a ptr to its context */ /* External interfaces use first EC only, so remember */ typedef int (*acpi_ec_query_func) (void *data); @@ -319,7 +325,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t) msleep(1); /* It is safe to enable the GPE outside of the transaction. */ acpi_enable_gpe(NULL, ec->gpe); - } else if (t->irq_count > ACPI_EC_STORM_THRESHOLD) { + } else if (t->irq_count > ec_storm_threshold) { pr_info(PREFIX "GPE storm detected, " "transactions will use polling mode\n"); set_bit(EC_FLAGS_GPE_STORM, &ec->flags); @@ -924,6 +930,17 @@ static int ec_flag_msi(const struct dmi_system_id *id) return 0; } +/* + * Clevo M720 notebook actually works ok with IRQ mode, if we lifted + * the GPE storm threshold back to 20 + */ +static int ec_enlarge_storm_threshold(const struct dmi_system_id *id) +{ + pr_debug("Setting the EC GPE storm threshold to 20\n"); + ec_storm_threshold = 20; + return 0; +} + static struct dmi_system_id __initdata ec_dmi_table[] = { { ec_skip_dsdt_scan, "Compal JFL92", { @@ -955,10 +972,13 @@ static struct dmi_system_id __initdata ec_dmi_table[] = { { ec_validate_ecdt, "ASUS hardware", { DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc.") }, NULL}, + { + ec_enlarge_storm_threshold, "CLEVO hardware", { + DMI_MATCH(DMI_SYS_VENDOR, "CLEVO Co."), + DMI_MATCH(DMI_PRODUCT_NAME, "M720T/M730T"),}, NULL}, {}, }; - int __init acpi_ec_ecdt_probe(void) { acpi_status status; diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 817f0ee..4dc8024 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -1186,17 +1186,20 @@ ssize_t tpm_write(struct file *file, const char __user *buf, size_t size, loff_t *off) { struct tpm_chip *chip = file->private_data; - size_t in_size = size, out_size; + size_t in_size = size; + ssize_t out_size; /* cannot perform a write until the read has cleared - either via tpm_read or a user_read_timer timeout */ - while (atomic_read(&chip->data_pending) != 0) - msleep(TPM_TIMEOUT); - - mutex_lock(&chip->buffer_mutex); + either via tpm_read or a user_read_timer timeout. + This also prevents splitted buffered writes from blocking here. + */ + if (atomic_read(&chip->data_pending) != 0) + return -EBUSY; if (in_size > TPM_BUFSIZE) - in_size = TPM_BUFSIZE; + return -E2BIG; + + mutex_lock(&chip->buffer_mutex); if (copy_from_user (chip->data_buffer, (void __user *) buf, in_size)) { @@ -1206,6 +1209,10 @@ ssize_t tpm_write(struct file *file, const char __user *buf, /* atomic tpm command send and result receive */ out_size = tpm_transmit(chip, chip->data_buffer, TPM_BUFSIZE); + if (out_size < 0) { + mutex_unlock(&chip->buffer_mutex); + return out_size; + } atomic_set(&chip->data_pending, out_size); mutex_unlock(&chip->buffer_mutex); diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c index 2783f69..f8d2287 100644 --- a/drivers/firewire/core-cdev.c +++ b/drivers/firewire/core-cdev.c @@ -473,8 +473,8 @@ static int ioctl_get_info(struct client *client, union ioctl_arg *arg) client->bus_reset_closure = a->bus_reset_closure; if (a->bus_reset != 0) { fill_bus_reset_event(&bus_reset, client); - ret = copy_to_user(u64_to_uptr(a->bus_reset), - &bus_reset, sizeof(bus_reset)); + /* unaligned size of bus_reset is 36 bytes */ + ret = copy_to_user(u64_to_uptr(a->bus_reset), &bus_reset, 36); } if (ret == 0 && list_empty(&client->link)) list_add_tail(&client->link, &client->device->client_list); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 274d25d..97d4f4b 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3893,7 +3893,6 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data, BUG_ON(!list_empty(&dev_priv->mm.active_list)); BUG_ON(!list_empty(&dev_priv->mm.flushing_list)); - BUG_ON(!list_empty(&dev_priv->mm.inactive_list)); mutex_unlock(&dev->struct_mutex); ret = drm_irq_install(dev); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index a3e53c5..f02cfad 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -513,7 +513,7 @@ */ # define _3D_CHICKEN2_WM_READ_PIPELINED (1 << 14) #define _3D_CHICKEN3 0x02090 -#define _3D_CHICKEN_SF_DISABLE_FASTCLIP_CULL (1 << 5) +#define _3D_CHICKEN3_SF_DISABLE_FASTCLIP_CULL (1 << 5) #define MI_MODE 0x0209c # define VS_TIMER_DISPATCH (1 << 6) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 0c7f4aa..b634f6f 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -4351,7 +4351,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, /* default to 8bpc */ pipeconf &= ~(PIPECONF_BPP_MASK | PIPECONF_DITHER_EN); if (is_dp) { - if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) { + if (adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) { pipeconf |= PIPECONF_BPP_6 | PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP; @@ -4705,7 +4705,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, /* determine panel color depth */ temp = I915_READ(PIPECONF(pipe)); temp &= ~PIPE_BPC_MASK; - dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, mode); + dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, adjusted_mode); switch (pipe_bpp) { case 18: temp |= PIPE_6BPC; diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 8c73fae..c23c9ea 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3355,8 +3355,8 @@ static void gen6_init_clock_gating(struct drm_device *dev) GEN6_RCCUNIT_CLOCK_GATE_DISABLE); /* Bspec says we need to always set all mask bits. */ - I915_WRITE(_3D_CHICKEN, (0xFFFF << 16) | - _3D_CHICKEN_SF_DISABLE_FASTCLIP_CULL); + I915_WRITE(_3D_CHICKEN3, (0xFFFF << 16) | + _3D_CHICKEN3_SF_DISABLE_FASTCLIP_CULL); /* * According to the spec the following bits should be diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c index 670e991..d16f50f 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c @@ -974,11 +974,7 @@ static void radeon_legacy_tmds_ext_mode_set(struct drm_encoder *encoder, static void radeon_ext_tmds_enc_destroy(struct drm_encoder *encoder) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); - struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv; - if (tmds) { - if (tmds->i2c_bus) - radeon_i2c_destroy(tmds->i2c_bus); - } + /* don't destroy the i2c bus record here, this will be done in radeon_i2c_fini */ kfree(radeon_encoder->enc_priv); drm_encoder_cleanup(encoder); kfree(radeon_encoder); diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 0138a72..a48c215 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -3158,7 +3158,7 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, else { bad_sectors -= (sector - first_bad); if (max_sync > bad_sectors) - max_sync = max_sync; + max_sync = bad_sectors; continue; } } diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index a11253a..c429abd 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2914,8 +2914,7 @@ static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip, if (le16_to_cpu(p->features) & 1) *busw = NAND_BUSWIDTH_16; - chip->options &= ~NAND_CHIPOPTIONS_MSK; - chip->options |= NAND_NO_READRDY & NAND_CHIPOPTIONS_MSK; + chip->options |= NAND_NO_READRDY; pr_info("ONFI flash detected\n"); return 1; @@ -3080,9 +3079,8 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd, mtd->erasesize <<= ((id_data[3] & 0x03) << 1); } } - /* Get chip options, preserve non chip based options */ - chip->options &= ~NAND_CHIPOPTIONS_MSK; - chip->options |= type->options & NAND_CHIPOPTIONS_MSK; + /* Get chip options */ + chip->options |= type->options; /* * Check if chip is not a Samsung device. Do not clear the diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h index cb3356c..04668b4 100644 --- a/drivers/net/ethernet/intel/e1000e/e1000.h +++ b/drivers/net/ethernet/intel/e1000e/e1000.h @@ -175,13 +175,13 @@ struct e1000_info; /* * in the case of WTHRESH, it appears at least the 82571/2 hardware * writes back 4 descriptors when WTHRESH=5, and 3 descriptors when - * WTHRESH=4, and since we want 64 bytes at a time written back, set - * it to 5 + * WTHRESH=4, so a setting of 5 gives the most efficient bus + * utilization but to avoid possible Tx stalls, set it to 1 */ #define E1000_TXDCTL_DMA_BURST_ENABLE \ (E1000_TXDCTL_GRAN | /* set descriptor granularity */ \ E1000_TXDCTL_COUNT_DESC | \ - (5 << 16) | /* wthresh must be +1 more than desired */\ + (1 << 16) | /* wthresh must be +1 more than desired */\ (1 << 8) | /* hthresh */ \ 0x1f) /* pthresh */ diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index d01a099..a46e75e 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -2831,7 +2831,7 @@ static void e1000_configure_tx(struct e1000_adapter *adapter) * set up some performance related parameters to encourage the * hardware to use the bus more efficiently in bursts, depends * on the tx_int_delay to be enabled, - * wthresh = 5 ==> burst write a cacheline (64 bytes) at a time + * wthresh = 1 ==> burst write is disabled to avoid Tx stalls * hthresh = 1 ==> prefetch when one or more available * pthresh = 0x1f ==> prefetch if internal cache 31 or less * BEWARE: this seems to work but should be considered first if diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c index 03c2d8d..cc7e720 100644 --- a/drivers/net/usb/mcs7830.c +++ b/drivers/net/usb/mcs7830.c @@ -117,6 +117,7 @@ enum { struct mcs7830_data { u8 multi_filter[8]; u8 config; + u8 link_counter; }; static const char driver_name[] = "MOSCHIP usb-ethernet driver"; @@ -632,20 +633,31 @@ static int mcs7830_rx_fixup(struct usbnet *dev, struct sk_buff *skb) static void mcs7830_status(struct usbnet *dev, struct urb *urb) { u8 *buf = urb->transfer_buffer; - bool link; + bool link, link_changed; + struct mcs7830_data *data = mcs7830_get_data(dev); if (urb->actual_length < 16) return; link = !(buf[1] & 0x20); - if (netif_carrier_ok(dev->net) != link) { - if (link) { - netif_carrier_on(dev->net); - usbnet_defer_kevent(dev, EVENT_LINK_RESET); - } else - netif_carrier_off(dev->net); - netdev_dbg(dev->net, "Link Status is: %d\n", link); - } + link_changed = netif_carrier_ok(dev->net) != link; + if (link_changed) { + data->link_counter++; + /* + track link state 20 times to guard against erroneous + link state changes reported sometimes by the chip + */ + if (data->link_counter > 20) { + data->link_counter = 0; + if (link) { + netif_carrier_on(dev->net); + usbnet_defer_kevent(dev, EVENT_LINK_RESET); + } else + netif_carrier_off(dev->net); + netdev_dbg(dev->net, "Link Status is: %d\n", link); + } + } else + data->link_counter = 0; } static const struct driver_info moschip_info = { diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index 76f07d8..1b48414 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -120,7 +120,7 @@ static void ath9k_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb) if (ath_tx_start(hw, skb, &txctl) != 0) { ath_dbg(common, XMIT, "CABQ TX failed\n"); - dev_kfree_skb_any(skb); + ieee80211_free_txskb(hw, skb); } } diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index a22df74..61e08e6 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -767,7 +767,7 @@ static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) return; exit: - dev_kfree_skb_any(skb); + ieee80211_free_txskb(hw, skb); } static void ath9k_stop(struct ieee80211_hw *hw) diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 0d4155a..423a9f3 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -66,8 +66,7 @@ static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid, static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc, struct ath_txq *txq, struct ath_atx_tid *tid, - struct sk_buff *skb, - bool dequeue); + struct sk_buff *skb); enum { MCS_HT20, @@ -176,7 +175,15 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid) fi = get_frame_info(skb); bf = fi->bf; - if (bf && fi->retries) { + if (!bf) { + bf = ath_tx_setup_buffer(sc, txq, tid, skb); + if (!bf) { + ieee80211_free_txskb(sc->hw, skb); + continue; + } + } + + if (fi->retries) { list_add_tail(&bf->list, &bf_head); ath_tx_update_baw(sc, tid, bf->bf_state.seqno); ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0); @@ -785,10 +792,13 @@ static enum ATH_AGGR_STATUS ath_tx_form_aggr(struct ath_softc *sc, fi = get_frame_info(skb); bf = fi->bf; if (!fi->bf) - bf = ath_tx_setup_buffer(sc, txq, tid, skb, true); + bf = ath_tx_setup_buffer(sc, txq, tid, skb); - if (!bf) + if (!bf) { + __skb_unlink(skb, &tid->buf_q); + ieee80211_free_txskb(sc->hw, skb); continue; + } bf->bf_state.bf_type = BUF_AMPDU | BUF_AGGR; seqno = bf->bf_state.seqno; @@ -1731,9 +1741,11 @@ static void ath_tx_send_ampdu(struct ath_softc *sc, struct ath_atx_tid *tid, return; } - bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb, false); - if (!bf) + bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb); + if (!bf) { + ieee80211_free_txskb(sc->hw, skb); return; + } bf->bf_state.bf_type = BUF_AMPDU; INIT_LIST_HEAD(&bf_head); @@ -1757,11 +1769,6 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq, struct ath_buf *bf; bf = fi->bf; - if (!bf) - bf = ath_tx_setup_buffer(sc, txq, tid, skb, false); - - if (!bf) - return; INIT_LIST_HEAD(&bf_head); list_add_tail(&bf->list, &bf_head); @@ -1834,8 +1841,7 @@ u8 ath_txchainmask_reduction(struct ath_softc *sc, u8 chainmask, u32 rate) static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc, struct ath_txq *txq, struct ath_atx_tid *tid, - struct sk_buff *skb, - bool dequeue) + struct sk_buff *skb) { struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath_frame_info *fi = get_frame_info(skb); @@ -1847,7 +1853,7 @@ static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc, bf = ath_tx_get_buffer(sc); if (!bf) { ath_dbg(common, XMIT, "TX buffers are full\n"); - goto error; + return NULL; } ATH_TXBUF_RESET(bf); @@ -1876,18 +1882,12 @@ static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc, ath_err(ath9k_hw_common(sc->sc_ah), "dma_mapping_error() on TX\n"); ath_tx_return_buffer(sc, bf); - goto error; + return NULL; } fi->bf = bf; return bf; - -error: - if (dequeue) - __skb_unlink(skb, &tid->buf_q); - dev_kfree_skb_any(skb); - return NULL; } /* FIXME: tx power */ @@ -1916,9 +1916,14 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct sk_buff *skb, */ ath_tx_send_ampdu(sc, tid, skb, txctl); } else { - bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb, false); - if (!bf) + bf = ath_tx_setup_buffer(sc, txctl->txq, tid, skb); + if (!bf) { + if (txctl->paprd) + dev_kfree_skb_any(skb); + else + ieee80211_free_txskb(sc->hw, skb); return; + } bf->bf_state.bfs_paprd = txctl->paprd; diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 5b30132..41b74ba 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -1403,7 +1403,7 @@ static void qlt_24xx_send_task_mgmt_ctio(struct scsi_qla_host *ha, ctio->u.status1.scsi_status = __constant_cpu_to_le16(SS_RESPONSE_INFO_LEN_VALID); ctio->u.status1.response_len = __constant_cpu_to_le16(8); - ((uint32_t *)ctio->u.status1.sense_data)[0] = cpu_to_be32(resp_code); + ctio->u.status1.sense_data[0] = resp_code; qla2x00_start_iocbs(ha, ha->req); } diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 182d5a5..f4cc413 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -2054,7 +2054,7 @@ static void unmap_region(sector_t lba, unsigned int len) block = lba + alignment; rem = do_div(block, granularity); - if (rem == 0 && lba + granularity <= end && block < map_size) { + if (rem == 0 && lba + granularity < end && block < map_size) { clear_bit(block, map_storep); if (scsi_debug_lbprz) memset(fake_storep + diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 528d52b..0144078 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -1221,7 +1221,12 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd) /* * At this point, all outstanding requests in the adapter * should have been flushed out and return to us + * There is a potential race here where the host may be in + * the process of responding when we return from here. + * Just wait for all in-transit packets to be accounted for + * before we return from here. */ + storvsc_wait_to_drain(stor_device); return SUCCESS; } diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 3e79a2f..7554d78 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -219,7 +219,7 @@ static int virtscsi_kick_event(struct virtio_scsi *vscsi, struct scatterlist sg; unsigned long flags; - sg_set_buf(&sg, &event_node->event, sizeof(struct virtio_scsi_event)); + sg_init_one(&sg, &event_node->event, sizeof(struct virtio_scsi_event)); spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags); diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 97c0f78..dd4fce2 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -3271,7 +3271,6 @@ static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd) len += 1; if ((len + payload_len) > buffer_len) { - spin_unlock(&tiqn->tiqn_tpg_lock); end_of_buf = 1; goto eob; } @@ -3424,6 +3423,7 @@ static int iscsit_send_reject( hdr->opcode = ISCSI_OP_REJECT; hdr->flags |= ISCSI_FLAG_CMD_FINAL; hton24(hdr->dlength, ISCSI_HDR_LEN); + hdr->ffffffff = 0xffffffff; cmd->stat_sn = conn->stat_sn++; hdr->statsn = cpu_to_be32(cmd->stat_sn); hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn); diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h index 8a908b2..a90294f 100644 --- a/drivers/target/iscsi/iscsi_target_core.h +++ b/drivers/target/iscsi/iscsi_target_core.h @@ -25,10 +25,10 @@ #define NA_DATAOUT_TIMEOUT_RETRIES 5 #define NA_DATAOUT_TIMEOUT_RETRIES_MAX 15 #define NA_DATAOUT_TIMEOUT_RETRIES_MIN 1 -#define NA_NOPIN_TIMEOUT 5 +#define NA_NOPIN_TIMEOUT 15 #define NA_NOPIN_TIMEOUT_MAX 60 #define NA_NOPIN_TIMEOUT_MIN 3 -#define NA_NOPIN_RESPONSE_TIMEOUT 5 +#define NA_NOPIN_RESPONSE_TIMEOUT 30 #define NA_NOPIN_RESPONSE_TIMEOUT_MAX 60 #define NA_NOPIN_RESPONSE_TIMEOUT_MIN 3 #define NA_RANDOM_DATAIN_PDU_OFFSETS 0 diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c index a38a3f8..de9ea32 100644 --- a/drivers/target/iscsi/iscsi_target_tpg.c +++ b/drivers/target/iscsi/iscsi_target_tpg.c @@ -677,6 +677,12 @@ int iscsit_ta_generate_node_acls( pr_debug("iSCSI_TPG[%hu] - Generate Initiator Portal Group ACLs: %s\n", tpg->tpgt, (a->generate_node_acls) ? "Enabled" : "Disabled"); + if (flag == 1 && a->cache_dynamic_acls == 0) { + pr_debug("Explicitly setting cache_dynamic_acls=1 when " + "generate_node_acls=1\n"); + a->cache_dynamic_acls = 1; + } + return 0; } @@ -716,6 +722,12 @@ int iscsit_ta_cache_dynamic_acls( return -EINVAL; } + if (a->generate_node_acls == 1 && flag == 0) { + pr_debug("Skipping cache_dynamic_acls=0 when" + " generate_node_acls=1\n"); + return 0; + } + a->cache_dynamic_acls = flag; pr_debug("iSCSI_TPG[%hu] - Cache Dynamic Initiator Portal Group" " ACLs %s\n", tpg->tpgt, (a->cache_dynamic_acls) ? diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 801efa8..06aca11 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -3132,6 +3132,7 @@ static int __init target_core_init_configfs(void) GFP_KERNEL); if (!target_cg->default_groups) { pr_err("Unable to allocate target_cg->default_groups\n"); + ret = -ENOMEM; goto out_global; } @@ -3147,6 +3148,7 @@ static int __init target_core_init_configfs(void) GFP_KERNEL); if (!hba_cg->default_groups) { pr_err("Unable to allocate hba_cg->default_groups\n"); + ret = -ENOMEM; goto out_global; } config_group_init_type_name(&alua_group, @@ -3162,6 +3164,7 @@ static int __init target_core_init_configfs(void) GFP_KERNEL); if (!alua_cg->default_groups) { pr_err("Unable to allocate alua_cg->default_groups\n"); + ret = -ENOMEM; goto out_global; } @@ -3173,14 +3176,17 @@ static int __init target_core_init_configfs(void) * Add core/alua/lu_gps/default_lu_gp */ lu_gp = core_alua_allocate_lu_gp("default_lu_gp", 1); - if (IS_ERR(lu_gp)) + if (IS_ERR(lu_gp)) { + ret = -ENOMEM; goto out_global; + } lu_gp_cg = &alua_lu_gps_group; lu_gp_cg->default_groups = kzalloc(sizeof(struct config_group) * 2, GFP_KERNEL); if (!lu_gp_cg->default_groups) { pr_err("Unable to allocate lu_gp_cg->default_groups\n"); + ret = -ENOMEM; goto out_global; } diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c index cbb5aaf..5c5ed7a 100644 --- a/drivers/target/target_core_file.c +++ b/drivers/target/target_core_file.c @@ -125,6 +125,19 @@ static struct se_device *fd_create_virtdevice( * of pure timestamp updates. */ flags = O_RDWR | O_CREAT | O_LARGEFILE | O_DSYNC; + /* + * Optionally allow fd_buffered_io=1 to be enabled for people + * who want use the fs buffer cache as an WriteCache mechanism. + * + * This means that in event of a hard failure, there is a risk + * of silent data-loss if the SCSI client has *not* performed a + * forced unit access (FUA) write, or issued SYNCHRONIZE_CACHE + * to write-out the entire device cache. + */ + if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) { + pr_debug("FILEIO: Disabling O_DSYNC, using buffered FILEIO\n"); + flags &= ~O_DSYNC; + } file = filp_open(fd_dev->fd_dev_name, flags, 0600); if (IS_ERR(file)) { @@ -188,6 +201,12 @@ static struct se_device *fd_create_virtdevice( if (!dev) goto fail; + if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) { + pr_debug("FILEIO: Forcing setting of emulate_write_cache=1" + " with FDBD_HAS_BUFFERED_IO_WCE\n"); + dev->se_sub_dev->se_dev_attrib.emulate_write_cache = 1; + } + fd_dev->fd_dev_id = fd_host->fd_host_dev_id_count++; fd_dev->fd_queue_depth = dev->queue_depth; @@ -407,6 +426,7 @@ enum { static match_table_t tokens = { {Opt_fd_dev_name, "fd_dev_name=%s"}, {Opt_fd_dev_size, "fd_dev_size=%s"}, + {Opt_fd_buffered_io, "fd_buffered_io=%d"}, {Opt_err, NULL} }; @@ -418,7 +438,7 @@ static ssize_t fd_set_configfs_dev_params( struct fd_dev *fd_dev = se_dev->se_dev_su_ptr; char *orig, *ptr, *arg_p, *opts; substring_t args[MAX_OPT_ARGS]; - int ret = 0, token; + int ret = 0, arg, token; opts = kstrdup(page, GFP_KERNEL); if (!opts) @@ -459,6 +479,19 @@ static ssize_t fd_set_configfs_dev_params( " bytes\n", fd_dev->fd_dev_size); fd_dev->fbd_flags |= FBDF_HAS_SIZE; break; + case Opt_fd_buffered_io: + match_int(args, &arg); + if (arg != 1) { + pr_err("bogus fd_buffered_io=%d value\n", arg); + ret = -EINVAL; + goto out; + } + + pr_debug("FILEIO: Using buffered I/O" + " operations for struct fd_dev\n"); + + fd_dev->fbd_flags |= FDBD_HAS_BUFFERED_IO_WCE; + break; default: break; } @@ -490,8 +523,10 @@ static ssize_t fd_show_configfs_dev_params( ssize_t bl = 0; bl = sprintf(b + bl, "TCM FILEIO ID: %u", fd_dev->fd_dev_id); - bl += sprintf(b + bl, " File: %s Size: %llu Mode: O_DSYNC\n", - fd_dev->fd_dev_name, fd_dev->fd_dev_size); + bl += sprintf(b + bl, " File: %s Size: %llu Mode: %s\n", + fd_dev->fd_dev_name, fd_dev->fd_dev_size, + (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) ? + "Buffered-WCE" : "O_DSYNC"); return bl; } diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h index 70ce7fd..876ae53 100644 --- a/drivers/target/target_core_file.h +++ b/drivers/target/target_core_file.h @@ -14,6 +14,7 @@ #define FBDF_HAS_PATH 0x01 #define FBDF_HAS_SIZE 0x02 +#define FDBD_HAS_BUFFERED_IO_WCE 0x04 struct fd_dev { u32 fbd_flags; diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 388a922..9229bd9 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -600,30 +600,11 @@ static int spc_emulate_inquiry(struct se_cmd *cmd) { struct se_device *dev = cmd->se_dev; struct se_portal_group *tpg = cmd->se_lun->lun_sep->sep_tpg; - unsigned char *buf, *map_buf; + unsigned char *rbuf; unsigned char *cdb = cmd->t_task_cdb; + unsigned char buf[SE_INQUIRY_BUF]; int p, ret; - map_buf = transport_kmap_data_sg(cmd); - /* - * If SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC is not set, then we - * know we actually allocated a full page. Otherwise, if the - * data buffer is too small, allocate a temporary buffer so we - * don't have to worry about overruns in all our INQUIRY - * emulation handling. - */ - if (cmd->data_length < SE_INQUIRY_BUF && - (cmd->se_cmd_flags & SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC)) { - buf = kzalloc(SE_INQUIRY_BUF, GFP_KERNEL); - if (!buf) { - transport_kunmap_data_sg(cmd); - cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; - return -ENOMEM; - } - } else { - buf = map_buf; - } - if (dev == tpg->tpg_virt_lun0.lun_se_dev) buf[0] = 0x3f; /* Not connected */ else @@ -655,11 +636,11 @@ static int spc_emulate_inquiry(struct se_cmd *cmd) ret = -EINVAL; out: - if (buf != map_buf) { - memcpy(map_buf, buf, cmd->data_length); - kfree(buf); + rbuf = transport_kmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); + transport_kunmap_data_sg(cmd); } - transport_kunmap_data_sg(cmd); if (!ret) target_complete_cmd(cmd, GOOD); @@ -803,7 +784,7 @@ static int spc_emulate_modesense(struct se_cmd *cmd) unsigned char *rbuf; int type = dev->transport->get_device_type(dev); int ten = (cmd->t_task_cdb[0] == MODE_SENSE_10); - int offset = ten ? 8 : 4; + u32 offset = ten ? 8 : 4; int length = 0; unsigned char buf[SE_MODE_PAGE_BUF]; @@ -836,6 +817,7 @@ static int spc_emulate_modesense(struct se_cmd *cmd) offset -= 2; buf[0] = (offset >> 8) & 0xff; buf[1] = offset & 0xff; + offset += 2; if ((cmd->se_lun->lun_access & TRANSPORT_LUNFLAGS_READ_ONLY) || (cmd->se_deve && @@ -845,13 +827,10 @@ static int spc_emulate_modesense(struct se_cmd *cmd) if ((dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) && (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0)) spc_modesense_dpofua(&buf[3], type); - - if ((offset + 2) > cmd->data_length) - offset = cmd->data_length; - } else { offset -= 1; buf[0] = offset & 0xff; + offset += 1; if ((cmd->se_lun->lun_access & TRANSPORT_LUNFLAGS_READ_ONLY) || (cmd->se_deve && @@ -861,14 +840,13 @@ static int spc_emulate_modesense(struct se_cmd *cmd) if ((dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) && (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0)) spc_modesense_dpofua(&buf[2], type); - - if ((offset + 1) > cmd->data_length) - offset = cmd->data_length; } rbuf = transport_kmap_data_sg(cmd); - memcpy(rbuf, buf, offset); - transport_kunmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min(offset, cmd->data_length)); + transport_kunmap_data_sg(cmd); + } target_complete_cmd(cmd, GOOD); return 0; diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 84cbf29..a13f7e1 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -3475,6 +3475,19 @@ int con_debug_enter(struct vc_data *vc) kdb_set(2, setargs); } } + if (vc->vc_cols < 999) { + int colcount; + char cols[4]; + const char *setargs[3] = { + "set", + "COLUMNS", + cols, + }; + if (kdbgetintenv(setargs[0], &colcount)) { + snprintf(cols, 4, "%i", vc->vc_cols); + kdb_set(2, setargs); + } + } #endif /* CONFIG_KGDB_KDB */ return ret; } diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index f763ed7..e8007b8 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1551,6 +1551,9 @@ static const struct usb_device_id acm_ids[] = { Maybe we should define a new quirk for this. */ }, + { USB_DEVICE(0x0572, 0x1340), /* Conexant CX93010-2x UCMxx */ + .driver_info = NO_UNION_NORMAL, + }, { USB_DEVICE(0x1bbb, 0x0003), /* Alcatel OT-I650 */ .driver_info = NO_UNION_NORMAL, /* reports zero length descriptor */ }, diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index 1e35963..660fd53 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -1699,7 +1699,7 @@ static int __devinit at91udc_probe(struct platform_device *pdev) int retval; struct resource *res; - if (!dev->platform_data) { + if (!dev->platform_data && !pdev->dev.of_node) { /* small (so we copy it) but critical! */ DBG("missing platform_data\n"); return -ENODEV; diff --git a/drivers/vfio/pci/vfio_pci_intrs.c b/drivers/vfio/pci/vfio_pci_intrs.c index d8dedc7..3639371 100644 --- a/drivers/vfio/pci/vfio_pci_intrs.c +++ b/drivers/vfio/pci/vfio_pci_intrs.c @@ -366,6 +366,17 @@ static int vfio_intx_enable(struct vfio_pci_device *vdev) return -ENOMEM; vdev->num_ctx = 1; + + /* + * If the virtual interrupt is masked, restore it. Devices + * supporting DisINTx can be masked at the hardware level + * here, non-PCI-2.3 devices will have to wait until the + * interrupt is enabled. + */ + vdev->ctx[0].masked = vdev->virq_disabled; + if (vdev->pci_2_3) + pci_intx(vdev->pdev, !vdev->ctx[0].masked); + vdev->irq_type = VFIO_PCI_INTX_IRQ_INDEX; return 0; @@ -400,25 +411,26 @@ static int vfio_intx_set_signal(struct vfio_pci_device *vdev, int fd) return PTR_ERR(trigger); } + vdev->ctx[0].trigger = trigger; + if (!vdev->pci_2_3) irqflags = 0; ret = request_irq(pdev->irq, vfio_intx_handler, irqflags, vdev->ctx[0].name, vdev); if (ret) { + vdev->ctx[0].trigger = NULL; kfree(vdev->ctx[0].name); eventfd_ctx_put(trigger); return ret; } - vdev->ctx[0].trigger = trigger; - /* * INTx disable will stick across the new irq setup, * disable_irq won't. */ spin_lock_irqsave(&vdev->irqlock, flags); - if (!vdev->pci_2_3 && (vdev->ctx[0].masked || vdev->virq_disabled)) + if (!vdev->pci_2_3 && vdev->ctx[0].masked) disable_irq_nosync(pdev->irq); spin_unlock_irqrestore(&vdev->irqlock, flags); diff --git a/drivers/video/udlfb.c b/drivers/video/udlfb.c index 8af6414..38fcfff 100644 --- a/drivers/video/udlfb.c +++ b/drivers/video/udlfb.c @@ -647,7 +647,7 @@ static ssize_t dlfb_ops_write(struct fb_info *info, const char __user *buf, result = fb_sys_write(info, buf, count, ppos); if (result > 0) { - int start = max((int)(offset / info->fix.line_length) - 1, 0); + int start = max((int)(offset / info->fix.line_length), 0); int lines = min((u32)((result / info->fix.line_length) + 1), (u32)info->var.yres); diff --git a/drivers/video/via/via_clock.c b/drivers/video/via/via_clock.c index af8f26b..db1e392 100644 --- a/drivers/video/via/via_clock.c +++ b/drivers/video/via/via_clock.c @@ -25,6 +25,7 @@ #include #include +#include #include "via_clock.h" #include "global.h" #include "debug.h" @@ -289,6 +290,10 @@ static void dummy_set_pll(struct via_pll_config config) printk(KERN_INFO "Using undocumented set PLL.\n%s", via_slap); } +static void noop_set_clock_state(u8 state) +{ +} + void via_clock_init(struct via_clock *clock, int gfx_chip) { switch (gfx_chip) { @@ -346,4 +351,18 @@ void via_clock_init(struct via_clock *clock, int gfx_chip) break; } + + if (machine_is_olpc()) { + /* The OLPC XO-1.5 cannot suspend/resume reliably if the + * IGA1/IGA2 clocks are set as on or off (memory rot + * occasionally happens during suspend under such + * configurations). + * + * The only known stable scenario is to leave this bits as-is, + * which in their default states are documented to enable the + * clock only when it is needed. + */ + clock->set_primary_clock_state = noop_set_clock_state; + clock->set_secondary_clock_state = noop_set_clock_state; + } } diff --git a/drivers/xen/xenbus/xenbus_xs.c b/drivers/xen/xenbus/xenbus_xs.c index bce15cf..ca373d1 100644 --- a/drivers/xen/xenbus/xenbus_xs.c +++ b/drivers/xen/xenbus/xenbus_xs.c @@ -47,6 +47,7 @@ #include #include #include "xenbus_comms.h" +#include struct xs_stored_msg { struct list_head list; @@ -617,7 +618,24 @@ static struct xenbus_watch *find_watch(const char *token) return NULL; } +/* + * Certain older XenBus toolstack cannot handle reading values that are + * not populated. Some Xen 3.4 installation are incapable of doing this + * so if we are running on anything older than 4 do not attempt to read + * control/platform-feature-xs_reset_watches. + */ +static bool xen_strict_xenbus_quirk() +{ + uint32_t eax, ebx, ecx, edx, base; + + base = xen_cpuid_base(); + cpuid(base + 1, &eax, &ebx, &ecx, &edx); + if ((eax >> 16) < 4) + return true; + return false; + +} static void xs_reset_watches(void) { int err, supported = 0; @@ -625,6 +643,9 @@ static void xs_reset_watches(void) if (!xen_hvm_domain()) return; + if (xen_strict_xenbus_quirk()) + return; + err = xenbus_scanf(XBT_NIL, "control", "platform-feature-xs_reset_watches", "%d", &supported); if (err != 1 || !supported) diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index e7396cf..91b1165 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c @@ -392,10 +392,12 @@ static struct vfsmount *autofs4_d_automount(struct path *path) ino->flags |= AUTOFS_INF_PENDING; spin_unlock(&sbi->fs_lock); status = autofs4_mount_wait(dentry); - if (status) - return ERR_PTR(status); spin_lock(&sbi->fs_lock); ino->flags &= ~AUTOFS_INF_PENDING; + if (status) { + spin_unlock(&sbi->fs_lock); + return ERR_PTR(status); + } } done: if (!(ino->flags & AUTOFS_INF_EXPIRING)) { diff --git a/fs/ceph/export.c b/fs/ceph/export.c index 8e1b60e..02ce909 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -99,7 +99,7 @@ static int ceph_encode_fh(struct inode *inode, u32 *rawfh, int *max_len, * FIXME: we should try harder by querying the mds for the ino. */ static struct dentry *__fh_to_dentry(struct super_block *sb, - struct ceph_nfs_fh *fh) + struct ceph_nfs_fh *fh, int fh_len) { struct ceph_mds_client *mdsc = ceph_sb_to_client(sb)->mdsc; struct inode *inode; @@ -107,6 +107,9 @@ static struct dentry *__fh_to_dentry(struct super_block *sb, struct ceph_vino vino; int err; + if (fh_len < sizeof(*fh) / 4) + return ERR_PTR(-ESTALE); + dout("__fh_to_dentry %llx\n", fh->ino); vino.ino = fh->ino; vino.snap = CEPH_NOSNAP; @@ -150,7 +153,7 @@ static struct dentry *__fh_to_dentry(struct super_block *sb, * convert connectable fh to dentry */ static struct dentry *__cfh_to_dentry(struct super_block *sb, - struct ceph_nfs_confh *cfh) + struct ceph_nfs_confh *cfh, int fh_len) { struct ceph_mds_client *mdsc = ceph_sb_to_client(sb)->mdsc; struct inode *inode; @@ -158,6 +161,9 @@ static struct dentry *__cfh_to_dentry(struct super_block *sb, struct ceph_vino vino; int err; + if (fh_len < sizeof(*cfh) / 4) + return ERR_PTR(-ESTALE); + dout("__cfh_to_dentry %llx (%llx/%x)\n", cfh->ino, cfh->parent_ino, cfh->parent_name_hash); @@ -207,9 +213,11 @@ static struct dentry *ceph_fh_to_dentry(struct super_block *sb, struct fid *fid, int fh_len, int fh_type) { if (fh_type == 1) - return __fh_to_dentry(sb, (struct ceph_nfs_fh *)fid->raw); + return __fh_to_dentry(sb, (struct ceph_nfs_fh *)fid->raw, + fh_len); else - return __cfh_to_dentry(sb, (struct ceph_nfs_confh *)fid->raw); + return __cfh_to_dentry(sb, (struct ceph_nfs_confh *)fid->raw, + fh_len); } /* @@ -230,6 +238,8 @@ static struct dentry *ceph_fh_to_parent(struct super_block *sb, if (fh_type == 1) return ERR_PTR(-ESTALE); + if (fh_len < sizeof(*cfh) / 4) + return ERR_PTR(-ESTALE); pr_debug("fh_to_parent %llx/%d\n", cfh->parent_ino, cfh->parent_name_hash); diff --git a/fs/gfs2/export.c b/fs/gfs2/export.c index e8ed6d4..4767774 100644 --- a/fs/gfs2/export.c +++ b/fs/gfs2/export.c @@ -161,6 +161,8 @@ static struct dentry *gfs2_fh_to_dentry(struct super_block *sb, struct fid *fid, case GFS2_SMALL_FH_SIZE: case GFS2_LARGE_FH_SIZE: case GFS2_OLD_FH_SIZE: + if (fh_len < GFS2_SMALL_FH_SIZE) + return NULL; this.no_formal_ino = ((u64)be32_to_cpu(fh[0])) << 32; this.no_formal_ino |= be32_to_cpu(fh[1]); this.no_addr = ((u64)be32_to_cpu(fh[2])) << 32; @@ -180,6 +182,8 @@ static struct dentry *gfs2_fh_to_parent(struct super_block *sb, struct fid *fid, switch (fh_type) { case GFS2_LARGE_FH_SIZE: case GFS2_OLD_FH_SIZE: + if (fh_len < GFS2_LARGE_FH_SIZE) + return NULL; parent.no_formal_ino = ((u64)be32_to_cpu(fh[4])) << 32; parent.no_formal_ino |= be32_to_cpu(fh[5]); parent.no_addr = ((u64)be32_to_cpu(fh[6])) << 32; diff --git a/fs/isofs/export.c b/fs/isofs/export.c index 1d38044..2b4f235 100644 --- a/fs/isofs/export.c +++ b/fs/isofs/export.c @@ -175,7 +175,7 @@ static struct dentry *isofs_fh_to_parent(struct super_block *sb, { struct isofs_fid *ifid = (struct isofs_fid *)fid; - if (fh_type != 2) + if (fh_len < 2 || fh_type != 2) return NULL; return isofs_export_iget(sb, diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c index 52c15c7..86b39b1 100644 --- a/fs/jbd/commit.c +++ b/fs/jbd/commit.c @@ -86,7 +86,12 @@ nope: static void release_data_buffer(struct buffer_head *bh) { if (buffer_freed(bh)) { + WARN_ON_ONCE(buffer_dirty(bh)); clear_buffer_freed(bh); + clear_buffer_mapped(bh); + clear_buffer_new(bh); + clear_buffer_req(bh); + bh->b_bdev = NULL; release_buffer_page(bh); } else put_bh(bh); @@ -866,17 +871,35 @@ restart_loop: * there's no point in keeping a checkpoint record for * it. */ - /* A buffer which has been freed while still being - * journaled by a previous transaction may end up still - * being dirty here, but we want to avoid writing back - * that buffer in the future after the "add to orphan" - * operation been committed, That's not only a performance - * gain, it also stops aliasing problems if the buffer is - * left behind for writeback and gets reallocated for another - * use in a different page. */ - if (buffer_freed(bh) && !jh->b_next_transaction) { - clear_buffer_freed(bh); - clear_buffer_jbddirty(bh); + /* + * A buffer which has been freed while still being journaled by + * a previous transaction. + */ + if (buffer_freed(bh)) { + /* + * If the running transaction is the one containing + * "add to orphan" operation (b_next_transaction != + * NULL), we have to wait for that transaction to + * commit before we can really get rid of the buffer. + * So just clear b_modified to not confuse transaction + * credit accounting and refile the buffer to + * BJ_Forget of the running transaction. If the just + * committed transaction contains "add to orphan" + * operation, we can completely invalidate the buffer + * now. We are rather throughout in that since the + * buffer may be still accessible when blocksize < + * pagesize and it is attached to the last partial + * page. + */ + jh->b_modified = 0; + if (!jh->b_next_transaction) { + clear_buffer_freed(bh); + clear_buffer_jbddirty(bh); + clear_buffer_mapped(bh); + clear_buffer_new(bh); + clear_buffer_req(bh); + bh->b_bdev = NULL; + } } if (buffer_jbddirty(bh)) { diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c index febc10d..78b7f84 100644 --- a/fs/jbd/transaction.c +++ b/fs/jbd/transaction.c @@ -1843,15 +1843,16 @@ static int __dispose_buffer(struct journal_head *jh, transaction_t *transaction) * We're outside-transaction here. Either or both of j_running_transaction * and j_committing_transaction may be NULL. */ -static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh) +static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh, + int partial_page) { transaction_t *transaction; struct journal_head *jh; int may_free = 1; - int ret; BUFFER_TRACE(bh, "entry"); +retry: /* * It is safe to proceed here without the j_list_lock because the * buffers cannot be stolen by try_to_free_buffers as long as we are @@ -1879,10 +1880,18 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh) * clear the buffer dirty bit at latest at the moment when the * transaction marking the buffer as freed in the filesystem * structures is committed because from that moment on the - * buffer can be reallocated and used by a different page. + * block can be reallocated and used by a different page. * Since the block hasn't been freed yet but the inode has * already been added to orphan list, it is safe for us to add * the buffer to BJ_Forget list of the newest transaction. + * + * Also we have to clear buffer_mapped flag of a truncated buffer + * because the buffer_head may be attached to the page straddling + * i_size (can happen only when blocksize < pagesize) and thus the + * buffer_head can be reused when the file is extended again. So we end + * up keeping around invalidated buffers attached to transactions' + * BJ_Forget list just to stop checkpointing code from cleaning up + * the transaction this buffer was modified in. */ transaction = jh->b_transaction; if (transaction == NULL) { @@ -1909,13 +1918,9 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh) * committed, the buffer won't be needed any * longer. */ JBUFFER_TRACE(jh, "checkpointed: add to BJ_Forget"); - ret = __dispose_buffer(jh, + may_free = __dispose_buffer(jh, journal->j_running_transaction); - journal_put_journal_head(jh); - spin_unlock(&journal->j_list_lock); - jbd_unlock_bh_state(bh); - spin_unlock(&journal->j_state_lock); - return ret; + goto zap_buffer; } else { /* There is no currently-running transaction. So the * orphan record which we wrote for this file must have @@ -1923,13 +1928,9 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh) * the committing transaction, if it exists. */ if (journal->j_committing_transaction) { JBUFFER_TRACE(jh, "give to committing trans"); - ret = __dispose_buffer(jh, + may_free = __dispose_buffer(jh, journal->j_committing_transaction); - journal_put_journal_head(jh); - spin_unlock(&journal->j_list_lock); - jbd_unlock_bh_state(bh); - spin_unlock(&journal->j_state_lock); - return ret; + goto zap_buffer; } else { /* The orphan record's transaction has * committed. We can cleanse this buffer */ @@ -1950,10 +1951,24 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh) } /* * The buffer is committing, we simply cannot touch - * it. So we just set j_next_transaction to the - * running transaction (if there is one) and mark - * buffer as freed so that commit code knows it should - * clear dirty bits when it is done with the buffer. + * it. If the page is straddling i_size we have to wait + * for commit and try again. + */ + if (partial_page) { + tid_t tid = journal->j_committing_transaction->t_tid; + + journal_put_journal_head(jh); + spin_unlock(&journal->j_list_lock); + jbd_unlock_bh_state(bh); + spin_unlock(&journal->j_state_lock); + log_wait_commit(journal, tid); + goto retry; + } + /* + * OK, buffer won't be reachable after truncate. We just set + * j_next_transaction to the running transaction (if there is + * one) and mark buffer as freed so that commit code knows it + * should clear dirty bits when it is done with the buffer. */ set_buffer_freed(bh); if (journal->j_running_transaction && buffer_jbddirty(bh)) @@ -1976,6 +1991,14 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh) } zap_buffer: + /* + * This is tricky. Although the buffer is truncated, it may be reused + * if blocksize < pagesize and it is attached to the page straddling + * EOF. Since the buffer might have been added to BJ_Forget list of the + * running transaction, journal_get_write_access() won't clear + * b_modified and credit accounting gets confused. So clear b_modified + * here. */ + jh->b_modified = 0; journal_put_journal_head(jh); zap_buffer_no_jh: spin_unlock(&journal->j_list_lock); @@ -2024,7 +2047,8 @@ void journal_invalidatepage(journal_t *journal, if (offset <= curr_off) { /* This block is wholly outside the truncation point */ lock_buffer(bh); - may_free &= journal_unmap_buffer(journal, bh); + may_free &= journal_unmap_buffer(journal, bh, + offset > 0); unlock_buffer(bh); } curr_off = next_off; diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c index 7ef14b3..e4fb3ba 100644 --- a/fs/lockd/mon.c +++ b/fs/lockd/mon.c @@ -7,7 +7,6 @@ */ #include -#include #include #include #include @@ -19,6 +18,8 @@ #include +#include "netns.h" + #define NLMDBG_FACILITY NLMDBG_MONITOR #define NSM_PROGRAM 100024 #define NSM_VERSION 1 @@ -40,6 +41,7 @@ struct nsm_args { u32 proc; char *mon_name; + char *nodename; }; struct nsm_res { @@ -70,7 +72,7 @@ static struct rpc_clnt *nsm_create(struct net *net) }; struct rpc_create_args args = { .net = net, - .protocol = XPRT_TRANSPORT_UDP, + .protocol = XPRT_TRANSPORT_TCP, .address = (struct sockaddr *)&sin, .addrsize = sizeof(sin), .servername = "rpc.statd", @@ -83,10 +85,54 @@ static struct rpc_clnt *nsm_create(struct net *net) return rpc_create(&args); } -static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res, - struct net *net) +static struct rpc_clnt *nsm_client_get(struct net *net) { + static DEFINE_MUTEX(nsm_create_mutex); struct rpc_clnt *clnt; + struct lockd_net *ln = net_generic(net, lockd_net_id); + + spin_lock(&ln->nsm_clnt_lock); + if (ln->nsm_users) { + ln->nsm_users++; + clnt = ln->nsm_clnt; + spin_unlock(&ln->nsm_clnt_lock); + goto out; + } + spin_unlock(&ln->nsm_clnt_lock); + + mutex_lock(&nsm_create_mutex); + clnt = nsm_create(net); + if (!IS_ERR(clnt)) { + ln->nsm_clnt = clnt; + smp_wmb(); + ln->nsm_users = 1; + } + mutex_unlock(&nsm_create_mutex); +out: + return clnt; +} + +static void nsm_client_put(struct net *net) +{ + struct lockd_net *ln = net_generic(net, lockd_net_id); + struct rpc_clnt *clnt = ln->nsm_clnt; + int shutdown = 0; + + spin_lock(&ln->nsm_clnt_lock); + if (ln->nsm_users) { + if (--ln->nsm_users) + ln->nsm_clnt = NULL; + shutdown = !ln->nsm_users; + } + spin_unlock(&ln->nsm_clnt_lock); + + if (shutdown) + rpc_shutdown_client(clnt); +} + +static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res, + struct rpc_clnt *clnt) +{ int status; struct nsm_args args = { .priv = &nsm->sm_priv, @@ -94,31 +140,24 @@ static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res, .vers = 3, .proc = NLMPROC_NSM_NOTIFY, .mon_name = nsm->sm_mon_name, + .nodename = clnt->cl_nodename, }; struct rpc_message msg = { .rpc_argp = &args, .rpc_resp = res, }; - clnt = nsm_create(net); - if (IS_ERR(clnt)) { - status = PTR_ERR(clnt); - dprintk("lockd: failed to create NSM upcall transport, " - "status=%d\n", status); - goto out; - } + BUG_ON(clnt == NULL); memset(res, 0, sizeof(*res)); msg.rpc_proc = &clnt->cl_procinfo[proc]; - status = rpc_call_sync(clnt, &msg, 0); + status = rpc_call_sync(clnt, &msg, RPC_TASK_SOFTCONN); if (status < 0) dprintk("lockd: NSM upcall RPC failed, status=%d\n", status); else status = 0; - rpc_shutdown_client(clnt); - out: return status; } @@ -138,6 +177,7 @@ int nsm_monitor(const struct nlm_host *host) struct nsm_handle *nsm = host->h_nsmhandle; struct nsm_res res; int status; + struct rpc_clnt *clnt; dprintk("lockd: nsm_monitor(%s)\n", nsm->sm_name); @@ -150,7 +190,15 @@ int nsm_monitor(const struct nlm_host *host) */ nsm->sm_mon_name = nsm_use_hostnames ? nsm->sm_name : nsm->sm_addrbuf; - status = nsm_mon_unmon(nsm, NSMPROC_MON, &res, host->net); + clnt = nsm_client_get(host->net); + if (IS_ERR(clnt)) { + status = PTR_ERR(clnt); + dprintk("lockd: failed to create NSM upcall transport, " + "status=%d, net=%p\n", status, host->net); + return status; + } + + status = nsm_mon_unmon(nsm, NSMPROC_MON, &res, clnt); if (unlikely(res.status != 0)) status = -EIO; if (unlikely(status < 0)) { @@ -182,9 +230,11 @@ void nsm_unmonitor(const struct nlm_host *host) if (atomic_read(&nsm->sm_count) == 1 && nsm->sm_monitored && !nsm->sm_sticky) { + struct lockd_net *ln = net_generic(host->net, lockd_net_id); + dprintk("lockd: nsm_unmonitor(%s)\n", nsm->sm_name); - status = nsm_mon_unmon(nsm, NSMPROC_UNMON, &res, host->net); + status = nsm_mon_unmon(nsm, NSMPROC_UNMON, &res, ln->nsm_clnt); if (res.status != 0) status = -EIO; if (status < 0) @@ -192,6 +242,8 @@ void nsm_unmonitor(const struct nlm_host *host) nsm->sm_name); else nsm->sm_monitored = 0; + + nsm_client_put(host->net); } } @@ -430,7 +482,7 @@ static void encode_my_id(struct xdr_stream *xdr, const struct nsm_args *argp) { __be32 *p; - encode_nsm_string(xdr, utsname()->nodename); + encode_nsm_string(xdr, argp->nodename); p = xdr_reserve_space(xdr, 4 + 4 + 4); *p++ = cpu_to_be32(argp->prog); *p++ = cpu_to_be32(argp->vers); diff --git a/fs/lockd/netns.h b/fs/lockd/netns.h index 4eee248..5010b55 100644 --- a/fs/lockd/netns.h +++ b/fs/lockd/netns.h @@ -12,6 +12,10 @@ struct lockd_net { struct delayed_work grace_period_end; struct lock_manager lockd_manager; struct list_head grace_list; + + spinlock_t nsm_clnt_lock; + unsigned int nsm_users; + struct rpc_clnt *nsm_clnt; }; extern int lockd_net_id; diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c index 31a63f8..7e35587 100644 --- a/fs/lockd/svc.c +++ b/fs/lockd/svc.c @@ -596,6 +596,7 @@ static int lockd_init_net(struct net *net) INIT_DELAYED_WORK(&ln->grace_period_end, grace_ender); INIT_LIST_HEAD(&ln->grace_list); + spin_lock_init(&ln->nsm_clnt_lock); return 0; } diff --git a/fs/namei.c b/fs/namei.c index dd1ed1b..81bd546 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -692,9 +692,9 @@ static inline int may_follow_link(struct path *link, struct nameidata *nd) if (parent->i_uid == inode->i_uid) return 0; + audit_log_link_denied("follow_link", link); path_put_conditional(link, nd); path_put(&nd->path); - audit_log_link_denied("follow_link", link); return -EACCES; } diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c index dd392ed..f3d16ad 100644 --- a/fs/nfs/blocklayout/blocklayout.c +++ b/fs/nfs/blocklayout/blocklayout.c @@ -162,25 +162,39 @@ static struct bio *bl_alloc_init_bio(int npg, sector_t isect, return bio; } -static struct bio *bl_add_page_to_bio(struct bio *bio, int npg, int rw, +static struct bio *do_add_page_to_bio(struct bio *bio, int npg, int rw, sector_t isect, struct page *page, struct pnfs_block_extent *be, void (*end_io)(struct bio *, int err), - struct parallel_io *par) + struct parallel_io *par, + unsigned int offset, int len) { + isect = isect + (offset >> SECTOR_SHIFT); + dprintk("%s: npg %d rw %d isect %llu offset %u len %d\n", __func__, + npg, rw, (unsigned long long)isect, offset, len); retry: if (!bio) { bio = bl_alloc_init_bio(npg, isect, be, end_io, par); if (!bio) return ERR_PTR(-ENOMEM); } - if (bio_add_page(bio, page, PAGE_CACHE_SIZE, 0) < PAGE_CACHE_SIZE) { + if (bio_add_page(bio, page, len, offset) < len) { bio = bl_submit_bio(rw, bio); goto retry; } return bio; } +static struct bio *bl_add_page_to_bio(struct bio *bio, int npg, int rw, + sector_t isect, struct page *page, + struct pnfs_block_extent *be, + void (*end_io)(struct bio *, int err), + struct parallel_io *par) +{ + return do_add_page_to_bio(bio, npg, rw, isect, page, be, + end_io, par, 0, PAGE_CACHE_SIZE); +} + /* This is basically copied from mpage_end_io_read */ static void bl_end_io_read(struct bio *bio, int err) { @@ -461,6 +475,106 @@ map_block(struct buffer_head *bh, sector_t isect, struct pnfs_block_extent *be) return; } +static void +bl_read_single_end_io(struct bio *bio, int error) +{ + struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1; + struct page *page = bvec->bv_page; + + /* Only one page in bvec */ + unlock_page(page); +} + +static int +bl_do_readpage_sync(struct page *page, struct pnfs_block_extent *be, + unsigned int offset, unsigned int len) +{ + struct bio *bio; + struct page *shadow_page; + sector_t isect; + char *kaddr, *kshadow_addr; + int ret = 0; + + dprintk("%s: offset %u len %u\n", __func__, offset, len); + + shadow_page = alloc_page(GFP_NOFS | __GFP_HIGHMEM); + if (shadow_page == NULL) + return -ENOMEM; + + bio = bio_alloc(GFP_NOIO, 1); + if (bio == NULL) + return -ENOMEM; + + isect = (page->index << PAGE_CACHE_SECTOR_SHIFT) + + (offset / SECTOR_SIZE); + + bio->bi_sector = isect - be->be_f_offset + be->be_v_offset; + bio->bi_bdev = be->be_mdev; + bio->bi_end_io = bl_read_single_end_io; + + lock_page(shadow_page); + if (bio_add_page(bio, shadow_page, + SECTOR_SIZE, round_down(offset, SECTOR_SIZE)) == 0) { + unlock_page(shadow_page); + bio_put(bio); + return -EIO; + } + + submit_bio(READ, bio); + wait_on_page_locked(shadow_page); + if (unlikely(!test_bit(BIO_UPTODATE, &bio->bi_flags))) { + ret = -EIO; + } else { + kaddr = kmap_atomic(page); + kshadow_addr = kmap_atomic(shadow_page); + memcpy(kaddr + offset, kshadow_addr + offset, len); + kunmap_atomic(kshadow_addr); + kunmap_atomic(kaddr); + } + __free_page(shadow_page); + bio_put(bio); + + return ret; +} + +static int +bl_read_partial_page_sync(struct page *page, struct pnfs_block_extent *be, + unsigned int dirty_offset, unsigned int dirty_len, + bool full_page) +{ + int ret = 0; + unsigned int start, end; + + if (full_page) { + start = 0; + end = PAGE_CACHE_SIZE; + } else { + start = round_down(dirty_offset, SECTOR_SIZE); + end = round_up(dirty_offset + dirty_len, SECTOR_SIZE); + } + + dprintk("%s: offset %u len %d\n", __func__, dirty_offset, dirty_len); + if (!be) { + zero_user_segments(page, start, dirty_offset, + dirty_offset + dirty_len, end); + if (start == 0 && end == PAGE_CACHE_SIZE && + trylock_page(page)) { + SetPageUptodate(page); + unlock_page(page); + } + return ret; + } + + if (start != dirty_offset) + ret = bl_do_readpage_sync(page, be, start, dirty_offset - start); + + if (!ret && (dirty_offset + dirty_len < end)) + ret = bl_do_readpage_sync(page, be, dirty_offset + dirty_len, + end - dirty_offset - dirty_len); + + return ret; +} + /* Given an unmapped page, zero it or read in page for COW, page is locked * by caller. */ @@ -494,7 +608,6 @@ init_page_for_write(struct page *page, struct pnfs_block_extent *cow_read) SetPageUptodate(page); cleanup: - bl_put_extent(cow_read); if (bh) free_buffer_head(bh); if (ret) { @@ -566,6 +679,7 @@ bl_write_pagelist(struct nfs_write_data *wdata, int sync) struct parallel_io *par = NULL; loff_t offset = wdata->args.offset; size_t count = wdata->args.count; + unsigned int pg_offset, pg_len, saved_len; struct page **pages = wdata->args.pages; struct page *page; pgoff_t index; @@ -674,10 +788,11 @@ next_page: if (!extent_length) { /* We've used up the previous extent */ bl_put_extent(be); + bl_put_extent(cow_read); bio = bl_submit_bio(WRITE, bio); /* Get the next one */ be = bl_find_get_extent(BLK_LSEG2EXT(header->lseg), - isect, NULL); + isect, &cow_read); if (!be || !is_writable(be, isect)) { header->pnfs_error = -EINVAL; goto out; @@ -694,7 +809,26 @@ next_page: extent_length = be->be_length - (isect - be->be_f_offset); } - if (be->be_state == PNFS_BLOCK_INVALID_DATA) { + + dprintk("%s offset %lld count %Zu\n", __func__, offset, count); + pg_offset = offset & ~PAGE_CACHE_MASK; + if (pg_offset + count > PAGE_CACHE_SIZE) + pg_len = PAGE_CACHE_SIZE - pg_offset; + else + pg_len = count; + + saved_len = pg_len; + if (be->be_state == PNFS_BLOCK_INVALID_DATA && + !bl_is_sector_init(be->be_inval, isect)) { + ret = bl_read_partial_page_sync(pages[i], cow_read, + pg_offset, pg_len, true); + if (ret) { + dprintk("%s bl_read_partial_page_sync fail %d\n", + __func__, ret); + header->pnfs_error = ret; + goto out; + } + ret = bl_mark_sectors_init(be->be_inval, isect, PAGE_CACHE_SECTORS); if (unlikely(ret)) { @@ -703,15 +837,35 @@ next_page: header->pnfs_error = ret; goto out; } + + /* Expand to full page write */ + pg_offset = 0; + pg_len = PAGE_CACHE_SIZE; + } else if ((pg_offset & (SECTOR_SIZE - 1)) || + (pg_len & (SECTOR_SIZE - 1))){ + /* ahh, nasty case. We have to do sync full sector + * read-modify-write cycles. + */ + unsigned int saved_offset = pg_offset; + ret = bl_read_partial_page_sync(pages[i], be, pg_offset, + pg_len, false); + pg_offset = round_down(pg_offset, SECTOR_SIZE); + pg_len = round_up(saved_offset + pg_len, SECTOR_SIZE) + - pg_offset; } - bio = bl_add_page_to_bio(bio, wdata->pages.npages - i, WRITE, + + + bio = do_add_page_to_bio(bio, wdata->pages.npages - i, WRITE, isect, pages[i], be, - bl_end_io_write, par); + bl_end_io_write, par, + pg_offset, pg_len); if (IS_ERR(bio)) { header->pnfs_error = PTR_ERR(bio); bio = NULL; goto out; } + offset += saved_len; + count -= saved_len; isect += PAGE_CACHE_SECTORS; last_isect = isect; extent_length -= PAGE_CACHE_SECTORS; @@ -729,17 +883,16 @@ next_page: } write_done: - wdata->res.count = (last_isect << SECTOR_SHIFT) - (offset); - if (count < wdata->res.count) { - wdata->res.count = count; - } + wdata->res.count = wdata->args.count; out: bl_put_extent(be); + bl_put_extent(cow_read); bl_submit_bio(WRITE, bio); put_parallel(par); return PNFS_ATTEMPTED; out_mds: bl_put_extent(be); + bl_put_extent(cow_read); kfree(par); return PNFS_NOT_ATTEMPTED; } diff --git a/fs/nfs/blocklayout/blocklayout.h b/fs/nfs/blocklayout/blocklayout.h index 0335069..39bb51a 100644 --- a/fs/nfs/blocklayout/blocklayout.h +++ b/fs/nfs/blocklayout/blocklayout.h @@ -41,6 +41,7 @@ #define PAGE_CACHE_SECTORS (PAGE_CACHE_SIZE >> SECTOR_SHIFT) #define PAGE_CACHE_SECTOR_SHIFT (PAGE_CACHE_SHIFT - SECTOR_SHIFT) +#define SECTOR_SIZE (1 << SECTOR_SHIFT) struct block_mount_id { spinlock_t bm_lock; /* protects list */ diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 9969444..0e7cd89 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -855,7 +855,6 @@ static void nfs_server_set_fsinfo(struct nfs_server *server, if (server->wsize > NFS_MAX_FILE_IO_SIZE) server->wsize = NFS_MAX_FILE_IO_SIZE; server->wpages = (server->wsize + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; - server->pnfs_blksize = fsinfo->blksize; server->wtmult = nfs_block_bits(fsinfo->wtmult, NULL); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 1e50326..d5a0cf1 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1774,7 +1774,11 @@ static void nfs41_clear_delegation_stateid(struct nfs4_state *state) * informs us the stateid is unrecognized. */ if (status != -NFS4ERR_BAD_STATEID) nfs41_free_stateid(server, stateid); + nfs_remove_bad_delegation(state->inode); + write_seqlock(&state->seqlock); + nfs4_stateid_copy(&state->stateid, &state->open_stateid); + write_sequnlock(&state->seqlock); clear_bit(NFS_DELEGATED_STATE, &state->flags); } } @@ -3362,8 +3366,11 @@ static int nfs4_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, s nfs_fattr_init(fsinfo->fattr); error = nfs4_do_fsinfo(server, fhandle, fsinfo); - if (error == 0) + if (error == 0) { + /* block layout checks this! */ + server->pnfs_blksize = fsinfo->blksize; set_pnfs_layoutdriver(server, fhandle, fsinfo->layouttype); + } return error; } diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index fdc91a6..ccfe0d0 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -598,7 +598,7 @@ numeric_name_to_id(struct svc_rqst *rqstp, int type, const char *name, u32 namel /* Just to make sure it's null-terminated: */ memcpy(buf, name, namelen); buf[namelen] = '\0'; - ret = kstrtouint(name, 10, id); + ret = kstrtouint(buf, 10, id); return ret == 0; } diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index cc894ed..5b3224c 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -1223,10 +1223,26 @@ static bool groups_equal(struct group_info *g1, struct group_info *g2) return true; } +/* + * RFC 3530 language requires clid_inuse be returned when the + * "principal" associated with a requests differs from that previously + * used. We use uid, gid's, and gss principal string as our best + * approximation. We also don't want to allow non-gss use of a client + * established using gss: in theory cr_principal should catch that + * change, but in practice cr_principal can be null even in the gss case + * since gssd doesn't always pass down a principal string. + */ +static bool is_gss_cred(struct svc_cred *cr) +{ + /* Is cr_flavor one of the gss "pseudoflavors"?: */ + return (cr->cr_flavor > RPC_AUTH_MAXFLAVOR); +} + + static bool same_creds(struct svc_cred *cr1, struct svc_cred *cr2) { - if ((cr1->cr_flavor != cr2->cr_flavor) + if ((is_gss_cred(cr1) != is_gss_cred(cr2)) || (cr1->cr_uid != cr2->cr_uid) || (cr1->cr_gid != cr2->cr_gid) || !groups_equal(cr1->cr_group_info, cr2->cr_group_info)) @@ -3766,6 +3782,7 @@ nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, memcpy(&close->cl_stateid, &stp->st_stid.sc_stateid, sizeof(stateid_t)); nfsd4_close_open_stateid(stp); + release_last_closed_stateid(oo); oo->oo_last_closed_stid = stp; if (list_empty(&oo->oo_owner.so_stateids)) { diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 855da58..63ce6be 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -1573,8 +1573,10 @@ struct dentry *reiserfs_fh_to_dentry(struct super_block *sb, struct fid *fid, reiserfs_warning(sb, "reiserfs-13077", "nfsd/reiserfs, fhtype=%d, len=%d - odd", fh_type, fh_len); - fh_type = 5; + fh_type = fh_len; } + if (fh_len < 2) + return NULL; return reiserfs_get_dentry(sb, fid->raw[0], fid->raw[1], (fh_type == 3 || fh_type >= 5) ? fid->raw[2] : 0); @@ -1583,6 +1585,8 @@ struct dentry *reiserfs_fh_to_dentry(struct super_block *sb, struct fid *fid, struct dentry *reiserfs_fh_to_parent(struct super_block *sb, struct fid *fid, int fh_len, int fh_type) { + if (fh_type > fh_len) + fh_type = fh_len; if (fh_type < 4) return NULL; diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c index 4267922..8c6d1d7 100644 --- a/fs/xfs/xfs_export.c +++ b/fs/xfs/xfs_export.c @@ -189,6 +189,9 @@ xfs_fs_fh_to_parent(struct super_block *sb, struct fid *fid, struct xfs_fid64 *fid64 = (struct xfs_fid64 *)fid; struct inode *inode = NULL; + if (fh_len < xfs_fileid_length(fileid_type)) + return NULL; + switch (fileid_type) { case FILEID_INO32_GEN_PARENT: inode = xfs_nfs_get_inode(sb, fid->i32.parent_ino, diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 57977c6..e5cf2c8 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -212,9 +212,6 @@ typedef enum { #define NAND_SUBPAGE_READ(chip) ((chip->ecc.mode == NAND_ECC_SOFT) \ && (chip->page_shift > 9)) -/* Mask to zero out the chip options, which come from the id table */ -#define NAND_CHIPOPTIONS_MSK 0x0000ffff - /* Non chip related options */ /* This option skips the bbt scan during initialization. */ #define NAND_SKIP_BBTSCAN 0x00010000 diff --git a/kernel/audit.c b/kernel/audit.c index ea3b7b6..a8c84be 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -1466,6 +1466,8 @@ void audit_log_link_denied(const char *operation, struct path *link) ab = audit_log_start(current->audit_context, GFP_KERNEL, AUDIT_ANOM_LINK); + if (!ab) + return; audit_log_format(ab, "op=%s action=denied", operation); audit_log_format(ab, " pid=%d comm=", current->pid); audit_log_untrustedstring(ab, current->comm); diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c index 0a69d2a..14ff484 100644 --- a/kernel/debug/kdb/kdb_io.c +++ b/kernel/debug/kdb/kdb_io.c @@ -552,6 +552,7 @@ int vkdb_printf(const char *fmt, va_list ap) { int diag; int linecount; + int colcount; int logging, saved_loglevel = 0; int saved_trap_printk; int got_printf_lock = 0; @@ -584,6 +585,10 @@ int vkdb_printf(const char *fmt, va_list ap) if (diag || linecount <= 1) linecount = 24; + diag = kdbgetintenv("COLUMNS", &colcount); + if (diag || colcount <= 1) + colcount = 80; + diag = kdbgetintenv("LOGGING", &logging); if (diag) logging = 0; @@ -690,7 +695,7 @@ kdb_printit: gdbstub_msg_write(kdb_buffer, retlen); } else { if (dbg_io_ops && !dbg_io_ops->is_console) { - len = strlen(kdb_buffer); + len = retlen; cp = kdb_buffer; while (len--) { dbg_io_ops->write_char(*cp); @@ -709,11 +714,29 @@ kdb_printit: printk(KERN_INFO "%s", kdb_buffer); } - if (KDB_STATE(PAGER) && strchr(kdb_buffer, '\n')) - kdb_nextline++; + if (KDB_STATE(PAGER)) { + /* + * Check printed string to decide how to bump the + * kdb_nextline to control when the more prompt should + * show up. + */ + int got = 0; + len = retlen; + while (len--) { + if (kdb_buffer[len] == '\n') { + kdb_nextline++; + got = 0; + } else if (kdb_buffer[len] == '\r') { + got = 0; + } else { + got++; + } + } + kdb_nextline += got / (colcount + 1); + } /* check for having reached the LINES number of printed lines */ - if (kdb_nextline == linecount) { + if (kdb_nextline >= linecount) { char buf1[16] = ""; /* Watch out for recursion here. Any routine that calls @@ -765,7 +788,7 @@ kdb_printit: kdb_grepping_flag = 0; kdb_printf("\n"); } else if (buf1[0] == ' ') { - kdb_printf("\n"); + kdb_printf("\r"); suspend_grep = 1; /* for this recursion */ } else if (buf1[0] == '\n') { kdb_nextline = linecount - 1; diff --git a/kernel/module.c b/kernel/module.c index 4edbd9c..9ad9ee9 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -2730,6 +2730,10 @@ static int check_module_license_and_versions(struct module *mod) if (strcmp(mod->name, "driverloader") == 0) add_taint_module(mod, TAINT_PROPRIETARY_MODULE); + /* lve claims to be GPL but upstream won't provide source */ + if (strcmp(mod->name, "lve") == 0) + add_taint_module(mod, TAINT_PROPRIETARY_MODULE); + #ifdef CONFIG_MODVERSIONS if ((mod->num_syms && !mod->crcs) || (mod->num_gpl_syms && !mod->gpl_crcs) diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 3a9e5d5..e430b97 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -835,7 +835,7 @@ static enum hrtimer_restart tick_sched_timer(struct hrtimer *timer) */ if (ts->tick_stopped) { touch_softlockup_watchdog(); - if (idle_cpu(cpu)) + if (is_idle_task(current)) ts->idle_jiffies++; } update_process_times(user_mode(regs)); diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index d3b91e7..f791637 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -1111,7 +1111,7 @@ static cycle_t logarithmic_accumulation(struct timekeeper *tk, cycle_t offset, accumulate_nsecs_to_secs(tk); /* Accumulate raw time */ - raw_nsecs = tk->raw_interval << shift; + raw_nsecs = (u64)tk->raw_interval << shift; raw_nsecs += tk->raw_time.tv_nsec; if (raw_nsecs >= NSEC_PER_SEC) { u64 raw_secs = raw_nsecs; diff --git a/kernel/timer.c b/kernel/timer.c index 8c5e7b9..46ef2b1 100644 --- a/kernel/timer.c +++ b/kernel/timer.c @@ -63,6 +63,7 @@ EXPORT_SYMBOL(jiffies_64); #define TVR_SIZE (1 << TVR_BITS) #define TVN_MASK (TVN_SIZE - 1) #define TVR_MASK (TVR_SIZE - 1) +#define MAX_TVAL ((unsigned long)((1ULL << (TVR_BITS + 4*TVN_BITS)) - 1)) struct tvec { struct list_head vec[TVN_SIZE]; @@ -358,11 +359,12 @@ __internal_add_timer(struct tvec_base *base, struct timer_list *timer) vec = base->tv1.vec + (base->timer_jiffies & TVR_MASK); } else { int i; - /* If the timeout is larger than 0xffffffff on 64-bit - * architectures then we use the maximum timeout: + /* If the timeout is larger than MAX_TVAL (on 64-bit + * architectures or with CONFIG_BASE_SMALL=1) then we + * use the maximum timeout. */ - if (idx > 0xffffffffUL) { - idx = 0xffffffffUL; + if (idx > MAX_TVAL) { + idx = MAX_TVAL; expires = idx + base->timer_jiffies; } i = (expires >> (TVR_BITS + 3 * TVN_BITS)) & TVN_MASK; diff --git a/mm/shmem.c b/mm/shmem.c index d4e184e..d2eeca1 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2366,12 +2366,14 @@ static struct dentry *shmem_fh_to_dentry(struct super_block *sb, { struct inode *inode; struct dentry *dentry = NULL; - u64 inum = fid->raw[2]; - inum = (inum << 32) | fid->raw[1]; + u64 inum; if (fh_len < 3) return NULL; + inum = fid->raw[2]; + inum = (inum << 32) | fid->raw[1]; + inode = ilookup5(sb, (unsigned long)(inum + fid->raw[0]), shmem_match, fid->raw); if (inode) { diff --git a/net/core/pktgen.c b/net/core/pktgen.c index 148e73d..e356b8d 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -2927,7 +2927,7 @@ static struct sk_buff *fill_packet_ipv6(struct net_device *odev, sizeof(struct ipv6hdr) - sizeof(struct udphdr) - pkt_dev->pkt_overhead; - if (datalen < sizeof(struct pktgen_hdr)) { + if (datalen < 0 || datalen < sizeof(struct pktgen_hdr)) { datalen = sizeof(struct pktgen_hdr); net_info_ratelimited("increased datalen to %d\n", datalen); } diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 8cd7291..118329a 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -34,7 +34,7 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw, skb_queue_len(&local->skb_queue_unreliable); while (tmp > IEEE80211_IRQSAFE_QUEUE_LIMIT && (skb = skb_dequeue(&local->skb_queue_unreliable))) { - dev_kfree_skb_irq(skb); + ieee80211_free_txskb(hw, skb); tmp--; I802_DEBUG_INC(local->tx_status_drop); } @@ -159,7 +159,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local, "dropped TX filtered frame, queue_len=%d PS=%d @%lu\n", skb_queue_len(&sta->tx_filtered[ac]), !!test_sta_flag(sta, WLAN_STA_PS_STA), jiffies); - dev_kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); } static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid) diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index c5e8c9c..362c418 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -354,7 +354,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) total += skb_queue_len(&sta->ps_tx_buf[ac]); if (skb) { purged++; - dev_kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); break; } } @@ -466,7 +466,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) ps_dbg(tx->sdata, "STA %pM TX buffer for AC %d full - dropping oldest frame\n", sta->sta.addr, ac); - dev_kfree_skb(old); + ieee80211_free_txskb(&local->hw, old); } else tx->local->total_ps_buffered++; @@ -1103,7 +1103,7 @@ static bool ieee80211_tx_prep_agg(struct ieee80211_tx_data *tx, spin_unlock(&tx->sta->lock); if (purge_skb) - dev_kfree_skb(purge_skb); + ieee80211_free_txskb(&tx->local->hw, purge_skb); } /* reset session timer */ @@ -1214,7 +1214,7 @@ static bool ieee80211_tx_frags(struct ieee80211_local *local, #ifdef CONFIG_MAC80211_VERBOSE_DEBUG if (WARN_ON_ONCE(q >= local->hw.queues)) { __skb_unlink(skb, skbs); - dev_kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); continue; } #endif @@ -1356,7 +1356,7 @@ static int invoke_tx_handlers(struct ieee80211_tx_data *tx) if (unlikely(res == TX_DROP)) { I802_DEBUG_INC(tx->local->tx_handlers_drop); if (tx->skb) - dev_kfree_skb(tx->skb); + ieee80211_free_txskb(&tx->local->hw, tx->skb); else __skb_queue_purge(&tx->skbs); return -1; @@ -1393,7 +1393,7 @@ static bool ieee80211_tx(struct ieee80211_sub_if_data *sdata, res_prepare = ieee80211_tx_prepare(sdata, &tx, skb); if (unlikely(res_prepare == TX_DROP)) { - dev_kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); goto out; } else if (unlikely(res_prepare == TX_QUEUED)) { goto out; @@ -1466,7 +1466,7 @@ void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) headroom = max_t(int, 0, headroom); if (ieee80211_skb_resize(sdata, skb, headroom, may_encrypt)) { - dev_kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); rcu_read_unlock(); return; } @@ -2060,8 +2060,10 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, head_need += IEEE80211_ENCRYPT_HEADROOM; head_need += local->tx_headroom; head_need = max_t(int, 0, head_need); - if (ieee80211_skb_resize(sdata, skb, head_need, true)) - goto fail; + if (ieee80211_skb_resize(sdata, skb, head_need, true)) { + ieee80211_free_txskb(&local->hw, skb); + return NETDEV_TX_OK; + } } if (encaps_data) { @@ -2196,7 +2198,7 @@ void ieee80211_tx_pending(unsigned long data) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); if (WARN_ON(!info->control.vif)) { - kfree_skb(skb); + ieee80211_free_txskb(&local->hw, skb); continue; } diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index a35b8e5..d1988cf 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -1025,6 +1025,16 @@ static void xs_udp_data_ready(struct sock *sk, int len) read_unlock_bh(&sk->sk_callback_lock); } +/* + * Helper function to force a TCP close if the server is sending + * junk and/or it has put us in CLOSE_WAIT + */ +static void xs_tcp_force_close(struct rpc_xprt *xprt) +{ + set_bit(XPRT_CONNECTION_CLOSE, &xprt->state); + xprt_force_disconnect(xprt); +} + static inline void xs_tcp_read_fraghdr(struct rpc_xprt *xprt, struct xdr_skb_reader *desc) { struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt); @@ -1051,7 +1061,7 @@ static inline void xs_tcp_read_fraghdr(struct rpc_xprt *xprt, struct xdr_skb_rea /* Sanity check of the record length */ if (unlikely(transport->tcp_reclen < 8)) { dprintk("RPC: invalid TCP record fragment length\n"); - xprt_force_disconnect(xprt); + xs_tcp_force_close(xprt); return; } dprintk("RPC: reading TCP record fragment of length %d\n", @@ -1132,7 +1142,7 @@ static inline void xs_tcp_read_calldir(struct sock_xprt *transport, break; default: dprintk("RPC: invalid request message type\n"); - xprt_force_disconnect(&transport->xprt); + xs_tcp_force_close(&transport->xprt); } xs_tcp_check_fraghdr(transport); } @@ -1455,6 +1465,8 @@ static void xs_tcp_cancel_linger_timeout(struct rpc_xprt *xprt) static void xs_sock_mark_closed(struct rpc_xprt *xprt) { smp_mb__before_clear_bit(); + clear_bit(XPRT_CONNECTION_ABORT, &xprt->state); + clear_bit(XPRT_CONNECTION_CLOSE, &xprt->state); clear_bit(XPRT_CLOSE_WAIT, &xprt->state); clear_bit(XPRT_CLOSING, &xprt->state); smp_mb__after_clear_bit(); @@ -1512,8 +1524,8 @@ static void xs_tcp_state_change(struct sock *sk) break; case TCP_CLOSE_WAIT: /* The server initiated a shutdown of the socket */ - xprt_force_disconnect(xprt); xprt->connect_cookie++; + xs_tcp_force_close(xprt); case TCP_CLOSING: /* * If the server closed down the connection, make sure that @@ -2199,8 +2211,7 @@ static void xs_tcp_setup_socket(struct work_struct *work) /* We're probably in TIME_WAIT. Get rid of existing socket, * and retry */ - set_bit(XPRT_CONNECTION_CLOSE, &xprt->state); - xprt_force_disconnect(xprt); + xs_tcp_force_close(xprt); break; case -ECONNREFUSED: case -ECONNRESET: diff --git a/scripts/Makefile.fwinst b/scripts/Makefile.fwinst index c3f69ae..4d908d1 100644 --- a/scripts/Makefile.fwinst +++ b/scripts/Makefile.fwinst @@ -27,7 +27,7 @@ endif installed-mod-fw := $(addprefix $(INSTALL_FW_PATH)/,$(mod-fw)) installed-fw := $(addprefix $(INSTALL_FW_PATH)/,$(fw-shipped-all)) -installed-fw-dirs := $(sort $(dir $(installed-fw))) $(INSTALL_FW_PATH)/. +installed-fw-dirs := $(sort $(dir $(installed-fw))) $(INSTALL_FW_PATH)/./ # Workaround for make < 3.81, where .SECONDEXPANSION doesn't work. PHONY += $(INSTALL_FW_PATH)/$$(%) install-all-dirs @@ -42,7 +42,7 @@ quiet_cmd_install = INSTALL $(subst $(srctree)/,,$@) $(installed-fw-dirs): $(call cmd,mkdir) -$(installed-fw): $(INSTALL_FW_PATH)/%: $(obj)/% | $$(dir $(INSTALL_FW_PATH)/%) +$(installed-fw): $(INSTALL_FW_PATH)/%: $(obj)/% | $(INSTALL_FW_PATH)/$$(dir %) $(call cmd,install) PHONY += __fw_install __fw_modinst FORCE diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c index 9473fca..8b0f996 100644 --- a/sound/pci/ac97/ac97_codec.c +++ b/sound/pci/ac97/ac97_codec.c @@ -1271,6 +1271,8 @@ static int snd_ac97_cvol_new(struct snd_card *card, char *name, int reg, unsigne tmp.index = ac97->num; kctl = snd_ctl_new1(&tmp, ac97); } + if (!kctl) + return -ENOMEM; if (reg >= AC97_PHONE && reg <= AC97_PCM) set_tlv_db_scale(kctl, db_scale_5bit_12db_max); else diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c index 7549240..a78fdf4 100644 --- a/sound/pci/emu10k1/emu10k1_main.c +++ b/sound/pci/emu10k1/emu10k1_main.c @@ -1416,6 +1416,15 @@ static struct snd_emu_chip_details emu_chip_details[] = { .ca0108_chip = 1, .spk71 = 1, .emu_model = EMU_MODEL_EMU1010B}, /* EMU 1010 new revision */ + /* Tested by Maxim Kachur 17th Oct 2012. */ + /* This is MAEM8986, 0202 is MAEM8980 */ + {.vendor = 0x1102, .device = 0x0008, .subsystem = 0x40071102, + .driver = "Audigy2", .name = "E-mu 1010 PCIe [MAEM8986]", + .id = "EMU1010", + .emu10k2_chip = 1, + .ca0108_chip = 1, + .spk71 = 1, + .emu_model = EMU_MODEL_EMU1010B}, /* EMU 1010 PCIe */ /* Tested by James@superbug.co.uk 8th July 2005. */ /* This is MAEM8810, 0202 is MAEM8820 */ {.vendor = 0x1102, .device = 0x0004, .subsystem = 0x40011102, diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 12a9432..a5dc746 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -487,6 +487,7 @@ struct azx { /* VGA-switcheroo setup */ unsigned int use_vga_switcheroo:1; + unsigned int vga_switcheroo_registered:1; unsigned int init_failed:1; /* delayed init failed */ unsigned int disabled:1; /* disabled by VGA-switcher */ @@ -2135,9 +2136,12 @@ static unsigned int azx_get_position(struct azx *chip, if (delay < 0) delay += azx_dev->bufsize; if (delay >= azx_dev->period_bytes) { - snd_printdd("delay %d > period_bytes %d\n", - delay, azx_dev->period_bytes); - delay = 0; /* something is wrong */ + snd_printk(KERN_WARNING SFX + "Unstable LPIB (%d >= %d); " + "disabling LPIB delay counting\n", + delay, azx_dev->period_bytes); + delay = 0; + chip->driver_caps &= ~AZX_DCAPS_COUNT_LPIB_DELAY; } azx_dev->substream->runtime->delay = bytes_to_frames(azx_dev->substream->runtime, delay); @@ -2556,7 +2560,9 @@ static void azx_vs_set_state(struct pci_dev *pci, if (disabled) { azx_suspend(&pci->dev); chip->disabled = true; - snd_hda_lock_devices(chip->bus); + if (snd_hda_lock_devices(chip->bus)) + snd_printk(KERN_WARNING SFX + "Cannot lock devices!\n"); } else { snd_hda_unlock_devices(chip->bus); chip->disabled = false; @@ -2599,14 +2605,20 @@ static const struct vga_switcheroo_client_ops azx_vs_ops = { static int __devinit register_vga_switcheroo(struct azx *chip) { + int err; + if (!chip->use_vga_switcheroo) return 0; /* FIXME: currently only handling DIS controller * is there any machine with two switchable HDMI audio controllers? */ - return vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops, + err = vga_switcheroo_register_audio_client(chip->pci, &azx_vs_ops, VGA_SWITCHEROO_DIS, chip->bus != NULL); + if (err < 0) + return err; + chip->vga_switcheroo_registered = 1; + return 0; } #else #define init_vga_switcheroo(chip) /* NOP */ @@ -2626,7 +2638,8 @@ static int azx_free(struct azx *chip) if (use_vga_switcheroo(chip)) { if (chip->disabled && chip->bus) snd_hda_unlock_devices(chip->bus); - vga_switcheroo_unregister_client(chip->pci); + if (chip->vga_switcheroo_registered) + vga_switcheroo_unregister_client(chip->pci); } if (chip->initialized) { @@ -2974,14 +2987,6 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci, } ok: - err = register_vga_switcheroo(chip); - if (err < 0) { - snd_printk(KERN_ERR SFX - "Error registering VGA-switcheroo client\n"); - azx_free(chip); - return err; - } - err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); if (err < 0) { snd_printk(KERN_ERR SFX "Error creating device [card]!\n"); @@ -3208,6 +3213,13 @@ static int __devinit azx_probe(struct pci_dev *pci, pci_set_drvdata(pci, card); + err = register_vga_switcheroo(chip); + if (err < 0) { + snd_printk(KERN_ERR SFX + "Error registering VGA-switcheroo client\n"); + goto out_free; + } + dev++; return 0; diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index 0c4c1a6..cc31346 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -1417,7 +1417,7 @@ static int patch_cs420x(struct hda_codec *codec) return 0; error: - kfree(codec->spec); + cs_free(codec); codec->spec = NULL; return err; } @@ -1974,7 +1974,7 @@ static int patch_cs4210(struct hda_codec *codec) return 0; error: - kfree(codec->spec); + cs_free(codec); codec->spec = NULL; return err; } @@ -1999,7 +1999,7 @@ static int patch_cs4213(struct hda_codec *codec) return 0; error: - kfree(codec->spec); + cs_free(codec); codec->spec = NULL; return err; } diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 56a3eef..155cbd2 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -611,6 +611,8 @@ static void alc_line_automute(struct hda_codec *codec) { struct alc_spec *spec = codec->spec; + if (spec->autocfg.line_out_type == AUTO_PIN_SPEAKER_OUT) + return; /* check LO jack only when it's different from HP */ if (spec->autocfg.line_out_pins[0] == spec->autocfg.hp_pins[0]) return; @@ -2627,8 +2629,10 @@ static const char *alc_get_line_out_pfx(struct alc_spec *spec, int ch, return "PCM"; break; } - if (snd_BUG_ON(ch >= ARRAY_SIZE(channel_name))) + if (ch >= ARRAY_SIZE(channel_name)) { + snd_BUG(); return "PCM"; + } return channel_name[ch]; } diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index 4b4072f..4c404a0 100644 --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -118,6 +118,8 @@ enum { }; struct via_spec { + struct hda_gen_spec gen; + /* codec parameterization */ const struct snd_kcontrol_new *mixers[6]; unsigned int num_mixers; @@ -246,6 +248,7 @@ static struct via_spec * via_new_spec(struct hda_codec *codec) /* VT1708BCE & VT1708S are almost same */ if (spec->codec_type == VT1708BCE) spec->codec_type = VT1708S; + snd_hda_gen_init(&spec->gen); return spec; } @@ -1628,6 +1631,7 @@ static void via_free(struct hda_codec *codec) vt1708_stop_hp_work(spec); kfree(spec->bind_cap_vol); kfree(spec->bind_cap_sw); + snd_hda_gen_free(&spec->gen); kfree(spec); } diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c index 32682c1..c8bff6d 100644 --- a/sound/soc/codecs/wm2200.c +++ b/sound/soc/codecs/wm2200.c @@ -1028,7 +1028,7 @@ SOC_DOUBLE_R_TLV("OUT2 Digital Volume", WM2200_DAC_DIGITAL_VOLUME_2L, WM2200_DAC_DIGITAL_VOLUME_2R, WM2200_OUT2L_VOL_SHIFT, 0x9f, 0, digital_tlv), SOC_DOUBLE("OUT2 Switch", WM2200_PDM_1, WM2200_SPK1L_MUTE_SHIFT, - WM2200_SPK1R_MUTE_SHIFT, 1, 0), + WM2200_SPK1R_MUTE_SHIFT, 1, 1), }; WM2200_MIXER_ENUMS(OUT1L, WM2200_OUT1LMIX_INPUT_1_SOURCE); @@ -2091,6 +2091,7 @@ static __devinit int wm2200_i2c_probe(struct i2c_client *i2c, switch (wm2200->rev) { case 0: + case 1: ret = regmap_register_patch(wm2200->regmap, wm2200_reva_patch, ARRAY_SIZE(wm2200_reva_patch)); if (ret != 0) { diff --git a/sound/soc/omap/omap-abe-twl6040.c b/sound/soc/omap/omap-abe-twl6040.c index 9d93793..f8fba57 100644 --- a/sound/soc/omap/omap-abe-twl6040.c +++ b/sound/soc/omap/omap-abe-twl6040.c @@ -190,7 +190,7 @@ static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd) twl6040_disconnect_pin(dapm, pdata->has_hf, "Ext Spk"); twl6040_disconnect_pin(dapm, pdata->has_ep, "Earphone Spk"); twl6040_disconnect_pin(dapm, pdata->has_aux, "Line Out"); - twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vinrator"); + twl6040_disconnect_pin(dapm, pdata->has_vibra, "Vibrator"); twl6040_disconnect_pin(dapm, pdata->has_hsmic, "Headset Mic"); twl6040_disconnect_pin(dapm, pdata->has_mainmic, "Main Handset Mic"); twl6040_disconnect_pin(dapm, pdata->has_submic, "Sub Handset Mic"); diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c index 0540408..1bb0d58c 100644 --- a/sound/soc/sh/fsi.c +++ b/sound/soc/sh/fsi.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include @@ -223,7 +224,7 @@ struct fsi_stream { */ struct dma_chan *chan; struct sh_dmae_slave slave; /* see fsi_handler_init() */ - struct tasklet_struct tasklet; + struct work_struct work; dma_addr_t dma; }; @@ -1085,9 +1086,9 @@ static void fsi_dma_complete(void *data) snd_pcm_period_elapsed(io->substream); } -static void fsi_dma_do_tasklet(unsigned long data) +static void fsi_dma_do_work(struct work_struct *work) { - struct fsi_stream *io = (struct fsi_stream *)data; + struct fsi_stream *io = container_of(work, struct fsi_stream, work); struct fsi_priv *fsi = fsi_stream_to_priv(io); struct snd_soc_dai *dai; struct dma_async_tx_descriptor *desc; @@ -1129,7 +1130,7 @@ static void fsi_dma_do_tasklet(unsigned long data) * FIXME * * In DMAEngine case, codec and FSI cannot be started simultaneously - * since FSI is using tasklet. + * since FSI is using the scheduler work queue. * Therefore, in capture case, probably FSI FIFO will have got * overflow error in this point. * in that case, DMA cannot start transfer until error was cleared. @@ -1153,7 +1154,7 @@ static bool fsi_dma_filter(struct dma_chan *chan, void *param) static int fsi_dma_transfer(struct fsi_priv *fsi, struct fsi_stream *io) { - tasklet_schedule(&io->tasklet); + schedule_work(&io->work); return 0; } @@ -1195,14 +1196,14 @@ static int fsi_dma_probe(struct fsi_priv *fsi, struct fsi_stream *io, struct dev return fsi_stream_probe(fsi, dev); } - tasklet_init(&io->tasklet, fsi_dma_do_tasklet, (unsigned long)io); + INIT_WORK(&io->work, fsi_dma_do_work); return 0; } static int fsi_dma_remove(struct fsi_priv *fsi, struct fsi_stream *io) { - tasklet_kill(&io->tasklet); + cancel_work_sync(&io->work); fsi_stream_stop(fsi, io);