diff options
105 files changed, 1115 insertions, 819 deletions
diff --git a/Documentation/devicetree/bindings/clock/keystone-pll.txt b/Documentation/devicetree/bindings/clock/keystone-pll.txt index 225990f79..47570d207 100644 --- a/Documentation/devicetree/bindings/clock/keystone-pll.txt +++ b/Documentation/devicetree/bindings/clock/keystone-pll.txt @@ -15,8 +15,8 @@ Required properties: - compatible : shall be "ti,keystone,main-pll-clock" or "ti,keystone,pll-clock" - clocks : parent clock phandle - reg - pll control0 and pll multipler registers -- reg-names : control and multiplier. The multiplier is applicable only for - main pll clock +- reg-names : control, multiplier and post-divider. The multiplier and + post-divider registers are applicable only for main pll clock - fixed-postdiv : fixed post divider value. If absent, use clkod register bits for postdiv @@ -25,8 +25,8 @@ Example: #clock-cells = <0>; compatible = "ti,keystone,main-pll-clock"; clocks = <&refclksys>; - reg = <0x02620350 4>, <0x02310110 4>; - reg-names = "control", "multiplier"; + reg = <0x02620350 4>, <0x02310110 4>, <0x02310108 4>; + reg-names = "control", "multiplier", "post-divider"; fixed-postdiv = <2>; }; diff --git a/Documentation/input/alps.txt b/Documentation/input/alps.txt index c86f2f1ae..1fec11357 100644 --- a/Documentation/input/alps.txt +++ b/Documentation/input/alps.txt @@ -119,8 +119,10 @@ ALPS Absolute Mode - Protocol Version 2 byte 5: 0 z6 z5 z4 z3 z2 z1 z0 Protocol Version 2 DualPoint devices send standard PS/2 mouse packets for -the DualPoint Stick. For non interleaved dualpoint devices the pointingstick -buttons get reported separately in the PSM, PSR and PSL bits. +the DualPoint Stick. The M, R and L bits signal the combined status of both +the pointingstick and touchpad buttons, except for Dell dualpoint devices +where the pointingstick buttons get reported separately in the PSM, PSR +and PSL bits. Dualpoint device -- interleaved packet format --------------------------------------------- @@ -1,6 +1,6 @@ VERSION = 4 PATCHLEVEL = 1 -SUBLEVEL = 5 +SUBLEVEL = 6 EXTRAVERSION = -gnu NAME = Series 4800 diff --git a/arch/arm/boot/dts/imx35.dtsi b/arch/arm/boot/dts/imx35.dtsi index 466bcb704..d520390cf 100644 --- a/arch/arm/boot/dts/imx35.dtsi +++ b/arch/arm/boot/dts/imx35.dtsi @@ -286,8 +286,8 @@ can1: can@53fe4000 { compatible = "fsl,imx35-flexcan", "fsl,p1010-flexcan"; reg = <0x53fe4000 0x1000>; - clocks = <&clks 33>; - clock-names = "ipg"; + clocks = <&clks 33>, <&clks 33>; + clock-names = "ipg", "per"; interrupts = <43>; status = "disabled"; }; @@ -295,8 +295,8 @@ can2: can@53fe8000 { compatible = "fsl,imx35-flexcan", "fsl,p1010-flexcan"; reg = <0x53fe8000 0x1000>; - clocks = <&clks 34>; - clock-names = "ipg"; + clocks = <&clks 34>, <&clks 34>; + clock-names = "ipg", "per"; interrupts = <44>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/k2e-clocks.dtsi b/arch/arm/boot/dts/k2e-clocks.dtsi index 4773d6af6..d56d68fe7 100644 --- a/arch/arm/boot/dts/k2e-clocks.dtsi +++ b/arch/arm/boot/dts/k2e-clocks.dtsi @@ -13,9 +13,8 @@ clocks { #clock-cells = <0>; compatible = "ti,keystone,main-pll-clock"; clocks = <&refclksys>; - reg = <0x02620350 4>, <0x02310110 4>; - reg-names = "control", "multiplier"; - fixed-postdiv = <2>; + reg = <0x02620350 4>, <0x02310110 4>, <0x02310108 4>; + reg-names = "control", "multiplier", "post-divider"; }; papllclk: papllclk@2620358 { diff --git a/arch/arm/boot/dts/k2hk-clocks.dtsi b/arch/arm/boot/dts/k2hk-clocks.dtsi index d5adee3c0..af9b71905 100644 --- a/arch/arm/boot/dts/k2hk-clocks.dtsi +++ b/arch/arm/boot/dts/k2hk-clocks.dtsi @@ -22,9 +22,8 @@ clocks { #clock-cells = <0>; compatible = "ti,keystone,main-pll-clock"; clocks = <&refclksys>; - reg = <0x02620350 4>, <0x02310110 4>; - reg-names = "control", "multiplier"; - fixed-postdiv = <2>; + reg = <0x02620350 4>, <0x02310110 4>, <0x02310108 4>; + reg-names = "control", "multiplier", "post-divider"; }; papllclk: papllclk@2620358 { diff --git a/arch/arm/boot/dts/k2l-clocks.dtsi b/arch/arm/boot/dts/k2l-clocks.dtsi index eb1e3e29f..ef8464bb1 100644 --- a/arch/arm/boot/dts/k2l-clocks.dtsi +++ b/arch/arm/boot/dts/k2l-clocks.dtsi @@ -22,9 +22,8 @@ clocks { #clock-cells = <0>; compatible = "ti,keystone,main-pll-clock"; clocks = <&refclksys>; - reg = <0x02620350 4>, <0x02310110 4>; - reg-names = "control", "multiplier"; - fixed-postdiv = <2>; + reg = <0x02620350 4>, <0x02310110 4>, <0x02310108 4>; + reg-names = "control", "multiplier", "post-divider"; }; papllclk: papllclk@2620358 { diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 752969ff9..5286e7773 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -2373,6 +2373,9 @@ static int of_dev_hwmod_lookup(struct device_node *np, * registers. This address is needed early so the OCP registers that * are part of the device's address space can be ioremapped properly. * + * If SYSC access is not needed, the registers will not be remapped + * and non-availability of MPU access is not treated as an error. + * * Returns 0 on success, -EINVAL if an invalid hwmod is passed, and * -ENXIO on absent or invalid register target address space. */ @@ -2387,6 +2390,11 @@ static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data, _save_mpu_port_index(oh); + /* if we don't need sysc access we don't need to ioremap */ + if (!oh->class->sysc) + return 0; + + /* we can't continue without MPU PORT if we need sysc access */ if (oh->_int_flags & _HWMOD_NO_MPU_PORT) return -ENXIO; @@ -2396,8 +2404,10 @@ static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data, oh->name); /* Extract the IO space from device tree blob */ - if (!np) + if (!np) { + pr_err("omap_hwmod: %s: no dt node\n", oh->name); return -ENXIO; + } va_start = of_iomap(np, index + oh->mpu_rt_idx); } else { @@ -2456,13 +2466,11 @@ static int __init _init(struct omap_hwmod *oh, void *data) oh->name, np->name); } - if (oh->class->sysc) { - r = _init_mpu_rt_base(oh, NULL, index, np); - if (r < 0) { - WARN(1, "omap_hwmod: %s: doesn't have mpu register target base\n", - oh->name); - return 0; - } + r = _init_mpu_rt_base(oh, NULL, index, np); + if (r < 0) { + WARN(1, "omap_hwmod: %s: doesn't have mpu register target base\n", + oh->name); + return 0; } r = _init_clocks(oh, NULL); diff --git a/arch/arm64/kernel/signal32.c b/arch/arm64/kernel/signal32.c index d26fcd4cd..c0cff3410 100644 --- a/arch/arm64/kernel/signal32.c +++ b/arch/arm64/kernel/signal32.c @@ -168,7 +168,8 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from) * Other callers might not initialize the si_lsb field, * so check explicitely for the right codes here. */ - if (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO) + if (from->si_signo == SIGBUS && + (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO)) err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb); #endif break; @@ -201,8 +202,6 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from) int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) { - memset(to, 0, sizeof *to); - if (copy_from_user(to, from, __ARCH_SI_PREAMBLE_SIZE) || copy_from_user(to->_sifields._pad, from->_sifields._pad, SI_PAD_SIZE)) diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c index 7fc8397d1..fd2a36a79 100644 --- a/arch/mips/ath79/setup.c +++ b/arch/mips/ath79/setup.c @@ -186,6 +186,7 @@ int get_c0_perfcount_int(void) { return ATH79_MISC_IRQ(5); } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { diff --git a/arch/mips/include/asm/mach-bcm63xx/dma-coherence.h b/arch/mips/include/asm/mach-bcm63xx/dma-coherence.h deleted file mode 100644 index 11d3b572b..000000000 --- a/arch/mips/include/asm/mach-bcm63xx/dma-coherence.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef __ASM_MACH_BCM63XX_DMA_COHERENCE_H -#define __ASM_MACH_BCM63XX_DMA_COHERENCE_H - -#include <asm/bmips.h> - -#define plat_post_dma_flush bmips_post_dma_flush - -#include <asm/mach-generic/dma-coherence.h> - -#endif /* __ASM_MACH_BCM63XX_DMA_COHERENCE_H */ diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index 819af9d05..70f6e7f07 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -182,8 +182,39 @@ static inline void set_pte(pte_t *ptep, pte_t pteval) * Make sure the buddy is global too (if it's !none, * it better already be global) */ +#ifdef CONFIG_SMP + /* + * For SMP, multiple CPUs can race, so we need to do + * this atomically. + */ +#ifdef CONFIG_64BIT +#define LL_INSN "lld" +#define SC_INSN "scd" +#else /* CONFIG_32BIT */ +#define LL_INSN "ll" +#define SC_INSN "sc" +#endif + unsigned long page_global = _PAGE_GLOBAL; + unsigned long tmp; + + __asm__ __volatile__ ( + " .set push\n" + " .set noreorder\n" + "1: " LL_INSN " %[tmp], %[buddy]\n" + " bnez %[tmp], 2f\n" + " or %[tmp], %[tmp], %[global]\n" + " " SC_INSN " %[tmp], %[buddy]\n" + " beqz %[tmp], 1b\n" + " nop\n" + "2:\n" + " .set pop" + : [buddy] "+m" (buddy->pte), + [tmp] "=&r" (tmp) + : [global] "r" (page_global)); +#else /* !CONFIG_SMP */ if (pte_none(*buddy)) pte_val(*buddy) = pte_val(*buddy) | _PAGE_GLOBAL; +#endif /* CONFIG_SMP */ } #endif } diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h index 28d6d9364..a71da5768 100644 --- a/arch/mips/include/asm/stackframe.h +++ b/arch/mips/include/asm/stackframe.h @@ -152,6 +152,31 @@ .set noreorder bltz k0, 8f move k1, sp +#ifdef CONFIG_EVA + /* + * Flush interAptiv's Return Prediction Stack (RPS) by writing + * EntryHi. Toggling Config7.RPS is slower and less portable. + * + * The RPS isn't automatically flushed when exceptions are + * taken, which can result in kernel mode speculative accesses + * to user addresses if the RPS mispredicts. That's harmless + * when user and kernel share the same address space, but with + * EVA the same user segments may be unmapped to kernel mode, + * even containing sensitive MMIO regions or invalid memory. + * + * This can happen when the kernel sets the return address to + * ret_from_* and jr's to the exception handler, which looks + * more like a tail call than a function call. If nested calls + * don't evict the last user address in the RPS, it will + * mispredict the return and fetch from a user controlled + * address into the icache. + * + * More recent EVA-capable cores with MAAR to restrict + * speculative accesses aren't affected. + */ + MFC0 k0, CP0_ENTRYHI + MTC0 k0, CP0_ENTRYHI +#endif .set reorder /* Called from user mode, new stack. */ get_saved_sp diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c index 3e4491aa6..789d7bf4f 100644 --- a/arch/mips/kernel/mips-mt-fpaff.c +++ b/arch/mips/kernel/mips-mt-fpaff.c @@ -154,7 +154,7 @@ asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len, unsigned long __user *user_mask_ptr) { unsigned int real_len; - cpumask_t mask; + cpumask_t allowed, mask; int retval; struct task_struct *p; @@ -173,7 +173,8 @@ asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len, if (retval) goto out_unlock; - cpumask_and(&mask, &p->thread.user_cpus_allowed, cpu_possible_mask); + cpumask_or(&allowed, &p->thread.user_cpus_allowed, &p->cpus_allowed); + cpumask_and(&mask, &allowed, cpu_active_mask); out_unlock: read_unlock(&tasklist_lock); diff --git a/arch/mips/kernel/relocate_kernel.S b/arch/mips/kernel/relocate_kernel.S index 74bab9ddd..c6bbf2165 100644 --- a/arch/mips/kernel/relocate_kernel.S +++ b/arch/mips/kernel/relocate_kernel.S @@ -24,7 +24,7 @@ LEAF(relocate_new_kernel) process_entry: PTR_L s2, (s0) - PTR_ADD s0, s0, SZREG + PTR_ADDIU s0, s0, SZREG /* * In case of a kdump/crash kernel, the indirection page is not @@ -61,9 +61,9 @@ copy_word: /* copy page word by word */ REG_L s5, (s2) REG_S s5, (s4) - PTR_ADD s4, s4, SZREG - PTR_ADD s2, s2, SZREG - LONG_SUB s6, s6, 1 + PTR_ADDIU s4, s4, SZREG + PTR_ADDIU s2, s2, SZREG + LONG_ADDIU s6, s6, -1 beq s6, zero, process_entry b copy_word b process_entry diff --git a/arch/mips/kernel/signal32.c b/arch/mips/kernel/signal32.c index 19a7705f2..5d7f26349 100644 --- a/arch/mips/kernel/signal32.c +++ b/arch/mips/kernel/signal32.c @@ -409,8 +409,6 @@ int copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from) int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) { - memset(to, 0, sizeof *to); - if (copy_from_user(to, from, 3*sizeof(int)) || copy_from_user(to->_sifields._pad, from->_sifields._pad, SI_PAD_SIZE32)) diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index d2d1c1933..5f5f44edc 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -192,6 +192,7 @@ static void show_stacktrace(struct task_struct *task, void show_stack(struct task_struct *task, unsigned long *sp) { struct pt_regs regs; + mm_segment_t old_fs = get_fs(); if (sp) { regs.regs[29] = (unsigned long)sp; regs.regs[31] = 0; @@ -210,7 +211,13 @@ void show_stack(struct task_struct *task, unsigned long *sp) prepare_frametrace(®s); } } + /* + * show_stack() deals exclusively with kernel mode, so be sure to access + * the stack in the kernel (not user) address space. + */ + set_fs(KERNEL_DS); show_stacktrace(task, ®s); + set_fs(old_fs); } static void show_code(unsigned int __user *pc) @@ -1518,6 +1525,7 @@ asmlinkage void do_mcheck(struct pt_regs *regs) const int field = 2 * sizeof(unsigned long); int multi_match = regs->cp0_status & ST0_TS; enum ctx_state prev_state; + mm_segment_t old_fs = get_fs(); prev_state = exception_enter(); show_regs(regs); @@ -1539,8 +1547,13 @@ asmlinkage void do_mcheck(struct pt_regs *regs) dump_tlb_all(); } + if (!user_mode(regs)) + set_fs(KERNEL_DS); + show_code((unsigned int __user *) regs->cp0_epc); + set_fs(old_fs); + /* * Some chips may have other causes of machine check (e.g. SB1 * graduation timer) diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c index af84bef0c..eb3efd137 100644 --- a/arch/mips/kernel/unaligned.c +++ b/arch/mips/kernel/unaligned.c @@ -438,7 +438,7 @@ do { \ : "memory"); \ } while(0) -#define StoreDW(addr, value, res) \ +#define _StoreDW(addr, value, res) \ do { \ __asm__ __volatile__ ( \ ".set\tpush\n\t" \ diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c index 6ab105734..d01ade634 100644 --- a/arch/mips/lantiq/irq.c +++ b/arch/mips/lantiq/irq.c @@ -466,6 +466,7 @@ int get_c0_perfcount_int(void) { return ltq_perfcount_irq; } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c index 185e68261..a7f7d9ffb 100644 --- a/arch/mips/mti-malta/malta-time.c +++ b/arch/mips/mti-malta/malta-time.c @@ -148,6 +148,7 @@ int get_c0_perfcount_int(void) return mips_cpu_perf_irq; } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { @@ -165,14 +166,17 @@ unsigned int get_c0_compare_int(void) static void __init init_rtc(void) { - /* stop the clock whilst setting it up */ - CMOS_WRITE(RTC_SET | RTC_24H, RTC_CONTROL); + unsigned char freq, ctrl; - /* 32KHz time base */ - CMOS_WRITE(RTC_REF_CLCK_32KHZ, RTC_FREQ_SELECT); + /* Set 32KHz time base if not already set */ + freq = CMOS_READ(RTC_FREQ_SELECT); + if ((freq & RTC_DIV_CTL) != RTC_REF_CLCK_32KHZ) + CMOS_WRITE(RTC_REF_CLCK_32KHZ, RTC_FREQ_SELECT); - /* start the clock */ - CMOS_WRITE(RTC_24H, RTC_CONTROL); + /* Ensure SET bit is clear so RTC can run */ + ctrl = CMOS_READ(RTC_CONTROL); + if (ctrl & RTC_SET) + CMOS_WRITE(ctrl & ~RTC_SET, RTC_CONTROL); } void __init plat_time_init(void) diff --git a/arch/mips/mti-sead3/sead3-time.c b/arch/mips/mti-sead3/sead3-time.c index e1d69895f..a120b7a5a 100644 --- a/arch/mips/mti-sead3/sead3-time.c +++ b/arch/mips/mti-sead3/sead3-time.c @@ -77,6 +77,7 @@ int get_c0_perfcount_int(void) return MIPS_CPU_IRQ_BASE + cp0_perfcount_irq; return -1; } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { diff --git a/arch/mips/pistachio/time.c b/arch/mips/pistachio/time.c index 67889fcea..ab73f6f40 100644 --- a/arch/mips/pistachio/time.c +++ b/arch/mips/pistachio/time.c @@ -26,6 +26,7 @@ int get_c0_perfcount_int(void) { return gic_get_c0_perfcount_int(); } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); void __init plat_time_init(void) { diff --git a/arch/mips/ralink/irq.c b/arch/mips/ralink/irq.c index 7cf91b92e..199ace4ca 100644 --- a/arch/mips/ralink/irq.c +++ b/arch/mips/ralink/irq.c @@ -89,6 +89,7 @@ int get_c0_perfcount_int(void) { return rt_perfcount_irq; } +EXPORT_SYMBOL_GPL(get_c0_perfcount_int); unsigned int get_c0_compare_int(void) { diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index d3a831ac0..da50e0c9c 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -966,8 +966,6 @@ int copy_siginfo_to_user32(struct compat_siginfo __user *d, const siginfo_t *s) int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from) { - memset(to, 0, sizeof *to); - if (copy_from_user(to, from, 3*sizeof(int)) || copy_from_user(to->_sifields._pad, from->_sifields._pad, SI_PAD_SIZE32)) diff --git a/arch/sparc/include/asm/visasm.h b/arch/sparc/include/asm/visasm.h index 1f0aa2024..6424249d5 100644 --- a/arch/sparc/include/asm/visasm.h +++ b/arch/sparc/include/asm/visasm.h @@ -28,16 +28,10 @@ * Must preserve %o5 between VISEntryHalf and VISExitHalf */ #define VISEntryHalf \ - rd %fprs, %o5; \ - andcc %o5, FPRS_FEF, %g0; \ - be,pt %icc, 297f; \ - sethi %hi(298f), %g7; \ - sethi %hi(VISenterhalf), %g1; \ - jmpl %g1 + %lo(VISenterhalf), %g0; \ - or %g7, %lo(298f), %g7; \ - clr %o5; \ -297: wr %o5, FPRS_FEF, %fprs; \ -298: + VISEntry + +#define VISExitHalf \ + VISExit #define VISEntryHalfFast(fail_label) \ rd %fprs, %o5; \ @@ -47,7 +41,7 @@ ba,a,pt %xcc, fail_label; \ 297: wr %o5, FPRS_FEF, %fprs; -#define VISExitHalf \ +#define VISExitHalfFast \ wr %o5, 0, %fprs; #ifndef __ASSEMBLY__ diff --git a/arch/sparc/lib/NG4memcpy.S b/arch/sparc/lib/NG4memcpy.S index 140527a20..83aeeb1df 100644 --- a/arch/sparc/lib/NG4memcpy.S +++ b/arch/sparc/lib/NG4memcpy.S @@ -240,8 +240,11 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ add %o0, 0x40, %o0 bne,pt %icc, 1b LOAD(prefetch, %g1 + 0x200, #n_reads_strong) +#ifdef NON_USER_COPY + VISExitHalfFast +#else VISExitHalf - +#endif brz,pn %o2, .Lexit cmp %o2, 19 ble,pn %icc, .Lsmall_unaligned diff --git a/arch/sparc/lib/VISsave.S b/arch/sparc/lib/VISsave.S index b320ae9e2..a063d8433 100644 --- a/arch/sparc/lib/VISsave.S +++ b/arch/sparc/lib/VISsave.S @@ -44,9 +44,8 @@ vis1: ldub [%g6 + TI_FPSAVED], %g3 stx %g3, [%g6 + TI_GSR] 2: add %g6, %g1, %g3 - cmp %o5, FPRS_DU - be,pn %icc, 6f - sll %g1, 3, %g1 + mov FPRS_DU | FPRS_DL | FPRS_FEF, %o5 + sll %g1, 3, %g1 stb %o5, [%g3 + TI_FPSAVED] rd %gsr, %g2 add %g6, %g1, %g3 @@ -80,65 +79,3 @@ vis1: ldub [%g6 + TI_FPSAVED], %g3 .align 32 80: jmpl %g7 + %g0, %g0 nop - -6: ldub [%g3 + TI_FPSAVED], %o5 - or %o5, FPRS_DU, %o5 - add %g6, TI_FPREGS+0x80, %g2 - stb %o5, [%g3 + TI_FPSAVED] - - sll %g1, 5, %g1 - add %g6, TI_FPREGS+0xc0, %g3 - wr %g0, FPRS_FEF, %fprs - membar #Sync - stda %f32, [%g2 + %g1] ASI_BLK_P - stda %f48, [%g3 + %g1] ASI_BLK_P - membar #Sync - ba,pt %xcc, 80f - nop - - .align 32 -80: jmpl %g7 + %g0, %g0 - nop - - .align 32 -VISenterhalf: - ldub [%g6 + TI_FPDEPTH], %g1 - brnz,a,pn %g1, 1f - cmp %g1, 1 - stb %g0, [%g6 + TI_FPSAVED] - stx %fsr, [%g6 + TI_XFSR] - clr %o5 - jmpl %g7 + %g0, %g0 - wr %g0, FPRS_FEF, %fprs - -1: bne,pn %icc, 2f - srl %g1, 1, %g1 - ba,pt %xcc, vis1 - sub %g7, 8, %g7 -2: addcc %g6, %g1, %g3 - sll %g1, 3, %g1 - andn %o5, FPRS_DU, %g2 - stb %g2, [%g3 + TI_FPSAVED] - - rd %gsr, %g2 - add %g6, %g1, %g3 - stx %g2, [%g3 + TI_GSR] - add %g6, %g1, %g2 - stx %fsr, [%g2 + TI_XFSR] - sll %g1, 5, %g1 -3: andcc %o5, FPRS_DL, %g0 - be,pn %icc, 4f - add %g6, TI_FPREGS, %g2 - - add %g6, TI_FPREGS+0x40, %g3 - membar #Sync - stda %f0, [%g2 + %g1] ASI_BLK_P - stda %f16, [%g3 + %g1] ASI_BLK_P - membar #Sync - ba,pt %xcc, 4f - nop - - .align 32 -4: and %o5, FPRS_DU, %o5 - jmpl %g7 + %g0, %g0 - wr %o5, FPRS_FEF, %fprs diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c index 1d649a956..8069ce12f 100644 --- a/arch/sparc/lib/ksyms.c +++ b/arch/sparc/lib/ksyms.c @@ -135,10 +135,6 @@ EXPORT_SYMBOL(copy_user_page); void VISenter(void); EXPORT_SYMBOL(VISenter); -/* CRYPTO code needs this */ -void VISenterhalf(void); -EXPORT_SYMBOL(VISenterhalf); - extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *); extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *, unsigned long *); diff --git a/arch/tile/kernel/compat_signal.c b/arch/tile/kernel/compat_signal.c index e8c2c0414..c667e104a 100644 --- a/arch/tile/kernel/compat_signal.c +++ b/arch/tile/kernel/compat_signal.c @@ -113,8 +113,6 @@ int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from) if (!access_ok(VERIFY_READ, from, sizeof(struct compat_siginfo))) return -EFAULT; - memset(to, 0, sizeof(*to)); - err = __get_user(to->si_signo, &from->si_signo); err |= __get_user(to->si_errno, &from->si_errno); err |= __get_user(to->si_code, &from->si_code); diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 02c2eff74..4bd6c1975 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -793,8 +793,6 @@ retint_kernel: restore_c_regs_and_iret: RESTORE_C_REGS REMOVE_PT_GPREGS_FROM_STACK 8 - -irq_return: INTERRUPT_RETURN ENTRY(native_iret) @@ -1413,11 +1411,12 @@ ENTRY(nmi) * If the variable is not set and the stack is not the NMI * stack then: * o Set the special variable on the stack - * o Copy the interrupt frame into a "saved" location on the stack - * o Copy the interrupt frame into a "copy" location on the stack + * o Copy the interrupt frame into an "outermost" location on the + * stack + * o Copy the interrupt frame into an "iret" location on the stack * o Continue processing the NMI * If the variable is set or the previous stack is the NMI stack: - * o Modify the "copy" location to jump to the repeate_nmi + * o Modify the "iret" location to jump to the repeat_nmi * o return back to the first NMI * * Now on exit of the first NMI, we first clear the stack variable @@ -1426,32 +1425,151 @@ ENTRY(nmi) * a nested NMI that updated the copy interrupt stack frame, a * jump will be made to the repeat_nmi code that will handle the second * NMI. + * + * However, espfix prevents us from directly returning to userspace + * with a single IRET instruction. Similarly, IRET to user mode + * can fault. We therefore handle NMIs from user space like + * other IST entries. */ /* Use %rdx as our temp variable throughout */ pushq_cfi %rdx CFI_REL_OFFSET rdx, 0 + testb $3, CS-RIP+8(%rsp) + jz .Lnmi_from_kernel + /* - * If %cs was not the kernel segment, then the NMI triggered in user - * space, which means it is definitely not nested. + * NMI from user mode. We need to run on the thread stack, but we + * can't go through the normal entry paths: NMIs are masked, and + * we don't want to enable interrupts, because then we'll end + * up in an awkward situation in which IRQs are on but NMIs + * are off. */ - cmpl $__KERNEL_CS, 16(%rsp) - jne first_nmi + + SWAPGS + cld + movq %rsp, %rdx + movq PER_CPU_VAR(kernel_stack), %rsp + pushq 5*8(%rdx) /* pt_regs->ss */ + pushq 4*8(%rdx) /* pt_regs->rsp */ + pushq 3*8(%rdx) /* pt_regs->flags */ + pushq 2*8(%rdx) /* pt_regs->cs */ + pushq 1*8(%rdx) /* pt_regs->rip */ + pushq $-1 /* pt_regs->orig_ax */ + pushq %rdi /* pt_regs->di */ + pushq %rsi /* pt_regs->si */ + pushq (%rdx) /* pt_regs->dx */ + pushq %rcx /* pt_regs->cx */ + pushq %rax /* pt_regs->ax */ + pushq %r8 /* pt_regs->r8 */ + pushq %r9 /* pt_regs->r9 */ + pushq %r10 /* pt_regs->r10 */ + pushq %r11 /* pt_regs->r11 */ + pushq %rbx /* pt_regs->rbx */ + pushq %rbp /* pt_regs->rbp */ + pushq %r12 /* pt_regs->r12 */ + pushq %r13 /* pt_regs->r13 */ + pushq %r14 /* pt_regs->r14 */ + pushq %r15 /* pt_regs->r15 */ /* - * Check the special variable on the stack to see if NMIs are - * executing. + * At this point we no longer need to worry about stack damage + * due to nesting -- we're on the normal thread stack and we're + * done with the NMI stack. + */ + movq %rsp, %rdi + movq $-1, %rsi + call do_nmi + + /* + * Return back to user mode. We must *not* do the normal exit + * work, because we don't want to enable interrupts. Fortunately, + * do_nmi doesn't modify pt_regs. + */ + SWAPGS + jmp restore_c_regs_and_iret + +.Lnmi_from_kernel: + /* + * Here's what our stack frame will look like: + * +---------------------------------------------------------+ + * | original SS | + * | original Return RSP | + * | original RFLAGS | + * | original CS | + * | original RIP | + * +---------------------------------------------------------+ + * | temp storage for rdx | + * +---------------------------------------------------------+ + * | "NMI executing" variable | + * +---------------------------------------------------------+ + * | iret SS } Copied from "outermost" frame | + * | iret Return RSP } on each loop iteration; overwritten | + * | iret RFLAGS } by a nested NMI to force another | + * | iret CS } iteration if needed. | + * | iret RIP } | + * +---------------------------------------------------------+ + * | outermost SS } initialized in first_nmi; | + * | outermost Return RSP } will not be changed before | + * | outermost RFLAGS } NMI processing is done. | + * | outermost CS } Copied to "iret" frame on each | + * | outermost RIP } iteration. | + * +---------------------------------------------------------+ + * | pt_regs | + * +---------------------------------------------------------+ + * + * The "original" frame is used by hardware. Before re-enabling + * NMIs, we need to be done with it, and we need to leave enough + * space for the asm code here. + * + * We return by executing IRET while RSP points to the "iret" frame. + * That will either return for real or it will loop back into NMI + * processing. + * + * The "outermost" frame is copied to the "iret" frame on each + * iteration of the loop, so each iteration starts with the "iret" + * frame pointing to the final return target. + */ + + /* + * Determine whether we're a nested NMI. + * + * If we interrupted kernel code between repeat_nmi and + * end_repeat_nmi, then we are a nested NMI. We must not + * modify the "iret" frame because it's being written by + * the outer NMI. That's okay; the outer NMI handler is + * about to about to call do_nmi anyway, so we can just + * resume the outer NMI. + */ + + movq $repeat_nmi, %rdx + cmpq 8(%rsp), %rdx + ja 1f + movq $end_repeat_nmi, %rdx + cmpq 8(%rsp), %rdx + ja nested_nmi_out +1: + + /* + * Now check "NMI executing". If it's set, then we're nested. + * This will not detect if we interrupted an outer NMI just + * before IRET. */ cmpl $1, -8(%rsp) je nested_nmi /* - * Now test if the previous stack was an NMI stack. - * We need the double check. We check the NMI stack to satisfy the - * race when the first NMI clears the variable before returning. - * We check the variable because the first NMI could be in a - * breakpoint routine using a breakpoint stack. + * Now test if the previous stack was an NMI stack. This covers + * the case where we interrupt an outer NMI after it clears + * "NMI executing" but before IRET. We need to be careful, though: + * there is one case in which RSP could point to the NMI stack + * despite there being no NMI active: naughty userspace controls + * RSP at the very beginning of the SYSCALL targets. We can + * pull a fast one on naughty userspace, though: we program + * SYSCALL to mask DF, so userspace cannot cause DF to be set + * if it controls the kernel's RSP. We set DF before we clear + * "NMI executing". */ lea 6*8(%rsp), %rdx /* Compare the NMI stack (rdx) with the stack we came from (4*8(%rsp)) */ @@ -1462,25 +1580,21 @@ ENTRY(nmi) cmpq %rdx, 4*8(%rsp) /* If it is below the NMI stack, it is a normal NMI */ jb first_nmi - /* Ah, it is within the NMI stack, treat it as nested */ + + /* Ah, it is within the NMI stack. */ + + testb $(X86_EFLAGS_DF >> 8), (3*8 + 1)(%rsp) + jz first_nmi /* RSP was user controlled. */ + + /* This is a nested NMI. */ CFI_REMEMBER_STATE nested_nmi: /* - * Do nothing if we interrupted the fixup in repeat_nmi. - * It's about to repeat the NMI handler, so we are fine - * with ignoring this one. + * Modify the "iret" frame to point to repeat_nmi, forcing another + * iteration of NMI handling. */ - movq $repeat_nmi, %rdx - cmpq 8(%rsp), %rdx - ja 1f - movq $end_repeat_nmi, %rdx - cmpq 8(%rsp), %rdx - ja nested_nmi_out - -1: - /* Set up the interrupted NMIs stack to jump to repeat_nmi */ leaq -1*8(%rsp), %rdx movq %rdx, %rsp CFI_ADJUST_CFA_OFFSET 1*8 @@ -1499,60 +1613,23 @@ nested_nmi_out: popq_cfi %rdx CFI_RESTORE rdx - /* No need to check faults here */ + /* We are returning to kernel mode, so this cannot result in a fault. */ INTERRUPT_RETURN CFI_RESTORE_STATE first_nmi: - /* - * Because nested NMIs will use the pushed location that we - * stored in rdx, we must keep that space available. - * Here's what our stack frame will look like: - * +-------------------------+ - * | original SS | - * | original Return RSP | - * | original RFLAGS | - * | original CS | - * | original RIP | - * +-------------------------+ - * | temp storage for rdx | - * +-------------------------+ - * | NMI executing variable | - * +-------------------------+ - * | copied SS | - * | copied Return RSP | - * | copied RFLAGS | - * | copied CS | - * | copied RIP | - * +-------------------------+ - * | Saved SS | - * | Saved Return RSP | - * | Saved RFLAGS | - * | Saved CS | - * | Saved RIP | - * +-------------------------+ - * | pt_regs | - * +-------------------------+ - * - * The saved stack frame is used to fix up the copied stack frame - * that a nested NMI may change to make the interrupted NMI iret jump - * to the repeat_nmi. The original stack frame and the temp storage - * is also used by nested NMIs and can not be trusted on exit. - */ - /* Do not pop rdx, nested NMIs will corrupt that part of the stack */ + /* Restore rdx. */ movq (%rsp), %rdx CFI_RESTORE rdx - /* Set the NMI executing variable on the stack. */ + /* Set "NMI executing" on the stack. */ pushq_cfi $1 - /* - * Leave room for the "copied" frame - */ + /* Leave room for the "iret" frame */ subq $(5*8), %rsp CFI_ADJUST_CFA_OFFSET 5*8 - /* Copy the stack frame to the Saved frame */ + /* Copy the "original" frame to the "outermost" frame */ .rept 5 pushq_cfi 11*8(%rsp) .endr @@ -1560,6 +1637,7 @@ first_nmi: /* Everything up to here is safe from nested NMIs */ +repeat_nmi: /* * If there was a nested NMI, the first NMI's iret will return * here. But NMIs are still enabled and we can take another @@ -1568,16 +1646,21 @@ first_nmi: * it will just return, as we are about to repeat an NMI anyway. * This makes it safe to copy to the stack frame that a nested * NMI will update. - */ -repeat_nmi: - /* - * Update the stack variable to say we are still in NMI (the update - * is benign for the non-repeat case, where 1 was pushed just above - * to this very stack slot). + * + * RSP is pointing to "outermost RIP". gsbase is unknown, but, if + * we're repeating an NMI, gsbase has the same value that it had on + * the first iteration. paranoid_entry will load the kernel + * gsbase if needed before we call do_nmi. + * + * Set "NMI executing" in case we came back here via IRET. */ movq $1, 10*8(%rsp) - /* Make another copy, this one may be modified by nested NMIs */ + /* + * Copy the "outermost" frame to the "iret" frame. NMIs that nest + * here must not modify the "iret" frame while we're writing to + * it or it will end up containing garbage. + */ addq $(10*8), %rsp CFI_ADJUST_CFA_OFFSET -10*8 .rept 5 @@ -1588,9 +1671,9 @@ repeat_nmi: end_repeat_nmi: /* - * Everything below this point can be preempted by a nested - * NMI if the first NMI took an exception and reset our iret stack - * so that we repeat another NMI. + * Everything below this point can be preempted by a nested NMI. + * If this happens, then the inner NMI will change the "iret" + * frame to point back to repeat_nmi. */ pushq_cfi $-1 /* ORIG_RAX: no syscall to restart */ ALLOC_PT_GPREGS_ON_STACK @@ -1605,29 +1688,11 @@ end_repeat_nmi: call paranoid_entry DEFAULT_FRAME 0 - /* - * Save off the CR2 register. If we take a page fault in the NMI then - * it could corrupt the CR2 value. If the NMI preempts a page fault - * handler before it was able to read the CR2 register, and then the - * NMI itself takes a page fault, the page fault that was preempted - * will read the information from the NMI page fault and not the - * origin fault. Save it off and restore it if it changes. - * Use the r12 callee-saved register. - */ - movq %cr2, %r12 - /* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */ movq %rsp,%rdi movq $-1,%rsi call do_nmi - /* Did the NMI take a page fault? Restore cr2 if it did */ - movq %cr2, %rcx - cmpq %rcx, %r12 - je 1f - movq %r12, %cr2 -1: - testl %ebx,%ebx /* swapgs needed? */ jnz nmi_restore nmi_swapgs: @@ -1635,12 +1700,27 @@ nmi_swapgs: nmi_restore: RESTORE_EXTRA_REGS RESTORE_C_REGS - /* Pop the extra iret frame at once */ + + /* Point RSP at the "iret" frame. */ REMOVE_PT_GPREGS_FROM_STACK 6*8 - /* Clear the NMI executing stack variable */ - movq $0, 5*8(%rsp) - jmp irq_return + /* + * Clear "NMI executing". Set DF first so that we can easily + * distinguish the remaining code between here and IRET from + * the SYSCALL entry and exit paths. On a native kernel, we + * could just inspect RIP, but, on paravirt kernels, + * INTERRUPT_RETURN can translate into a jump into a + * hypercall page. + */ + std + movq $0, 5*8(%rsp) /* clear "NMI executing" */ + + /* + * INTERRUPT_RETURN reads the "iret" frame and exits the NMI + * stack in a single instruction. We are returning to kernel + * mode, so this cannot result in a fault. + */ + INTERRUPT_RETURN CFI_ENDPROC END(nmi) diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c index c3e985d17..d05bd2e2e 100644 --- a/arch/x86/kernel/nmi.c +++ b/arch/x86/kernel/nmi.c @@ -408,15 +408,15 @@ static void default_do_nmi(struct pt_regs *regs) NOKPROBE_SYMBOL(default_do_nmi); /* - * NMIs can hit breakpoints which will cause it to lose its - * NMI context with the CPU when the breakpoint does an iret. - */ -#ifdef CONFIG_X86_32 -/* - * For i386, NMIs use the same stack as the kernel, and we can - * add a workaround to the iret problem in C (preventing nested - * NMIs if an NMI takes a trap). Simply have 3 states the NMI - * can be in: + * NMIs can page fault or hit breakpoints which will cause it to lose + * its NMI context with the CPU when the breakpoint or page fault does an IRET. + * + * As a result, NMIs can nest if NMIs get unmasked due an IRET during + * NMI processing. On x86_64, the asm glue protects us from nested NMIs + * if the outer NMI came from kernel mode, but we can still nest if the + * outer NMI came from user mode. + * + * To handle these nested NMIs, we have three states: * * 1) not running * 2) executing @@ -430,15 +430,14 @@ NOKPROBE_SYMBOL(default_do_nmi); * (Note, the latch is binary, thus multiple NMIs triggering, * when one is running, are ignored. Only one NMI is restarted.) * - * If an NMI hits a breakpoint that executes an iret, another - * NMI can preempt it. We do not want to allow this new NMI - * to run, but we want to execute it when the first one finishes. - * We set the state to "latched", and the exit of the first NMI will - * perform a dec_return, if the result is zero (NOT_RUNNING), then - * it will simply exit the NMI handler. If not, the dec_return - * would have set the state to NMI_EXECUTING (what we want it to - * be when we are running). In this case, we simply jump back - * to rerun the NMI handler again, and restart the 'latched' NMI. + * If an NMI executes an iret, another NMI can preempt it. We do not + * want to allow this new NMI to run, but we want to execute it when the + * first one finishes. We set the state to "latched", and the exit of + * the first NMI will perform a dec_return, if the result is zero + * (NOT_RUNNING), then it will simply exit the NMI handler. If not, the + * dec_return would have set the state to NMI_EXECUTING (what we want it + * to be when we are running). In this case, we simply jump back to + * rerun the NMI handler again, and restart the 'latched' NMI. * * No trap (breakpoint or page fault) should be hit before nmi_restart, * thus there is no race between the first check of state for NOT_RUNNING @@ -461,49 +460,36 @@ enum nmi_states { static DEFINE_PER_CPU(enum nmi_states, nmi_state); static DEFINE_PER_CPU(unsigned long, nmi_cr2); -#define nmi_nesting_preprocess(regs) \ - do { \ - if (this_cpu_read(nmi_state) != NMI_NOT_RUNNING) { \ - this_cpu_write(nmi_state, NMI_LATCHED); \ - return; \ - } \ - this_cpu_write(nmi_state, NMI_EXECUTING); \ - this_cpu_write(nmi_cr2, read_cr2()); \ - } while (0); \ - nmi_restart: - -#define nmi_nesting_postprocess() \ - do { \ - if (unlikely(this_cpu_read(nmi_cr2) != read_cr2())) \ - write_cr2(this_cpu_read(nmi_cr2)); \ - if (this_cpu_dec_return(nmi_state)) \ - goto nmi_restart; \ - } while (0) -#else /* x86_64 */ +#ifdef CONFIG_X86_64 /* - * In x86_64 things are a bit more difficult. This has the same problem - * where an NMI hitting a breakpoint that calls iret will remove the - * NMI context, allowing a nested NMI to enter. What makes this more - * difficult is that both NMIs and breakpoints have their own stack. - * When a new NMI or breakpoint is executed, the stack is set to a fixed - * point. If an NMI is nested, it will have its stack set at that same - * fixed address that the first NMI had, and will start corrupting the - * stack. This is handled in entry_64.S, but the same problem exists with - * the breakpoint stack. + * In x86_64, we need to handle breakpoint -> NMI -> breakpoint. Without + * some care, the inner breakpoint will clobber the outer breakpoint's + * stack. * - * If a breakpoint is being processed, and the debug stack is being used, - * if an NMI comes in and also hits a breakpoint, the stack pointer - * will be set to the same fixed address as the breakpoint that was - * interrupted, causing that stack to be corrupted. To handle this case, - * check if the stack that was interrupted is the debug stack, and if - * so, change the IDT so that new breakpoints will use the current stack - * and not switch to the fixed address. On return of the NMI, switch back - * to the original IDT. + * If a breakpoint is being processed, and the debug stack is being + * used, if an NMI comes in and also hits a breakpoint, the stack + * pointer will be set to the same fixed address as the breakpoint that + * was interrupted, causing that stack to be corrupted. To handle this + * case, check if the stack that was interrupted is the debug stack, and + * if so, change the IDT so that new breakpoints will use the current + * stack and not switch to the fixed address. On return of the NMI, + * switch back to the original IDT. */ static DEFINE_PER_CPU(int, update_debug_stack); +#endif -static inline void nmi_nesting_preprocess(struct pt_regs *regs) +dotraplinkage notrace void +do_nmi(struct pt_regs *regs, long error_code) { + if (this_cpu_read(nmi_state) != NMI_NOT_RUNNING) { + this_cpu_write(nmi_state, NMI_LATCHED); + return; + } + this_cpu_write(nmi_state, NMI_EXECUTING); + this_cpu_write(nmi_cr2, read_cr2()); +nmi_restart: + +#ifdef CONFIG_X86_64 /* * If we interrupted a breakpoint, it is possible that * the nmi handler will have breakpoints too. We need to @@ -514,22 +500,8 @@ static inline void nmi_nesting_preprocess(struct pt_regs *regs) debug_stack_set_zero(); this_cpu_write(update_debug_stack, 1); } -} - -static inline void nmi_nesting_postprocess(void) -{ - if (unlikely(this_cpu_read(update_debug_stack))) { - debug_stack_reset(); - this_cpu_write(update_debug_stack, 0); - } -} #endif -dotraplinkage notrace void -do_nmi(struct pt_regs *regs, long error_code) -{ - nmi_nesting_preprocess(regs); - nmi_enter(); inc_irq_stat(__nmi_count); @@ -539,8 +511,17 @@ do_nmi(struct pt_regs *regs, long error_code) nmi_exit(); - /* On i386, may loop back to preprocess */ - nmi_nesting_postprocess(); +#ifdef CONFIG_X86_64 + if (unlikely(this_cpu_read(update_debug_stack))) { + debug_stack_reset(); + this_cpu_write(update_debug_stack, 0); + } +#endif + + if (unlikely(this_cpu_read(nmi_cr2) != read_cr2())) + write_cr2(this_cpu_read(nmi_cr2)); + if (this_cpu_dec_return(nmi_state)) + goto nmi_restart; } NOKPROBE_SYMBOL(do_nmi); diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h index 9d28383fc..c4ea87eed 100644 --- a/arch/x86/kvm/lapic.h +++ b/arch/x86/kvm/lapic.h @@ -150,7 +150,7 @@ static inline bool kvm_apic_vid_enabled(struct kvm *kvm) static inline bool kvm_apic_has_events(struct kvm_vcpu *vcpu) { - return vcpu->arch.apic->pending_events; + return kvm_vcpu_has_lapic(vcpu) && vcpu->arch.apic->pending_events; } bool kvm_apic_pending_eoi(struct kvm_vcpu *vcpu, int vector); diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 46957ead3..a671e8372 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -483,6 +483,7 @@ static void set_aliased_prot(void *v, pgprot_t prot) pte_t pte; unsigned long pfn; struct page *page; + unsigned char dummy; ptep = lookup_address((unsigned long)v, &level); BUG_ON(ptep == NULL); @@ -492,6 +493,32 @@ static void set_aliased_prot(void *v, pgprot_t prot) pte = pfn_pte(pfn, prot); + /* + * Careful: update_va_mapping() will fail if the virtual address + * we're poking isn't populated in the page tables. We don't + * need to worry about the direct map (that's always in the page + * tables), but we need to be careful about vmap space. In + * particular, the top level page table can lazily propagate + * entries between processes, so if we've switched mms since we + * vmapped the target in the first place, we might not have the + * top-level page table entry populated. + * + * We disable preemption because we want the same mm active when + * we probe the target and when we issue the hypercall. We'll + * have the same nominal mm, but if we're a kernel thread, lazy + * mm dropping could change our pgd. + * + * Out of an abundance of caution, this uses __get_user() to fault + * in the target address just in case there's some obscure case + * in which the target address isn't readable. + */ + + preempt_disable(); + + pagefault_disable(); /* Avoid warnings due to being atomic. */ + __get_user(dummy, (unsigned char __user __force *)v); + pagefault_enable(); + if (HYPERVISOR_update_va_mapping((unsigned long)v, pte, 0)) BUG(); @@ -503,6 +530,8 @@ static void set_aliased_prot(void *v, pgprot_t prot) BUG(); } else kmap_flush_unused(); + + preempt_enable(); } static void xen_alloc_ldt(struct desc_struct *ldt, unsigned entries) @@ -510,6 +539,17 @@ static void xen_alloc_ldt(struct desc_struct *ldt, unsigned entries) const unsigned entries_per_page = PAGE_SIZE / LDT_ENTRY_SIZE; int i; + /* + * We need to mark the all aliases of the LDT pages RO. We + * don't need to call vm_flush_aliases(), though, since that's + * only responsible for flushing aliases out the TLBs, not the + * page tables, and Xen will flush the TLB for us if needed. + * + * To avoid confusing future readers: none of this is necessary + * to load the LDT. The hypervisor only checks this when the + * LDT is faulted in due to subsequent descriptor access. + */ + for(i = 0; i < entries; i += entries_per_page) set_aliased_prot(ldt + i, PAGE_KERNEL_RO); } diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 53f253574..010ce0b1f 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -522,6 +522,7 @@ void rbd_warn(struct rbd_device *rbd_dev, const char *fmt, ...) # define rbd_assert(expr) ((void) 0) #endif /* !RBD_DEBUG */ +static void rbd_osd_copyup_callback(struct rbd_obj_request *obj_request); static int rbd_img_obj_request_submit(struct rbd_obj_request *obj_request); static void rbd_img_parent_read(struct rbd_obj_request *obj_request); static void rbd_dev_remove_parent(struct rbd_device *rbd_dev); @@ -1797,6 +1798,16 @@ static void rbd_osd_stat_callback(struct rbd_obj_request *obj_request) obj_request_done_set(obj_request); } +static void rbd_osd_call_callback(struct rbd_obj_request *obj_request) +{ + dout("%s: obj %p\n", __func__, obj_request); + + if (obj_request_img_data_test(obj_request)) + rbd_osd_copyup_callback(obj_request); + else + obj_request_done_set(obj_request); +} + static void rbd_osd_req_callback(struct ceph_osd_request *osd_req, struct ceph_msg *msg) { @@ -1845,6 +1856,8 @@ static void rbd_osd_req_callback(struct ceph_osd_request *osd_req, rbd_osd_discard_callback(obj_request); break; case CEPH_OSD_OP_CALL: + rbd_osd_call_callback(obj_request); + break; case CEPH_OSD_OP_NOTIFY_ACK: case CEPH_OSD_OP_WATCH: rbd_osd_trivial_callback(obj_request); @@ -2509,13 +2522,15 @@ out_unwind: } static void -rbd_img_obj_copyup_callback(struct rbd_obj_request *obj_request) +rbd_osd_copyup_callback(struct rbd_obj_request *obj_request) { struct rbd_img_request *img_request; struct rbd_device *rbd_dev; struct page **pages; u32 page_count; + dout("%s: obj %p\n", __func__, obj_request); + rbd_assert(obj_request->type == OBJ_REQUEST_BIO || obj_request->type == OBJ_REQUEST_NODATA); rbd_assert(obj_request_img_data_test(obj_request)); @@ -2542,9 +2557,7 @@ rbd_img_obj_copyup_callback(struct rbd_obj_request *obj_request) if (!obj_request->result) obj_request->xferred = obj_request->length; - /* Finish up with the normal image object callback */ - - rbd_img_obj_callback(obj_request); + obj_request_done_set(obj_request); } static void @@ -2629,7 +2642,6 @@ rbd_img_obj_parent_read_full_callback(struct rbd_img_request *img_request) /* All set, send it off. */ - orig_request->callback = rbd_img_obj_copyup_callback; osdc = &rbd_dev->rbd_client->client->osdc; img_result = rbd_obj_request_submit(osdc, orig_request); if (!img_result) diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c index da8faf785..5643b65ce 100644 --- a/drivers/char/hw_random/core.c +++ b/drivers/char/hw_random/core.c @@ -429,7 +429,7 @@ static int hwrng_fillfn(void *unused) static void start_khwrngd(void) { hwrng_fill = kthread_run(hwrng_fillfn, NULL, "hwrng"); - if (hwrng_fill == ERR_PTR(-ENOMEM)) { + if (IS_ERR(hwrng_fill)) { pr_err("hwrng_fill thread creation failed"); hwrng_fill = NULL; } diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c index a43048b5b..3c1a123f9 100644 --- a/drivers/char/i8k.c +++ b/drivers/char/i8k.c @@ -900,6 +900,21 @@ static struct dmi_system_id i8k_dmi_table[] __initdata = { MODULE_DEVICE_TABLE(dmi, i8k_dmi_table); +static struct dmi_system_id i8k_blacklist_dmi_table[] __initdata = { + { + /* + * CPU fan speed going up and down on Dell Studio XPS 8100 + * for unknown reasons. + */ + .ident = "Dell Studio XPS 8100", + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Studio XPS 8100"), + }, + }, + { } +}; + /* * Probe for the presence of a supported laptop. */ @@ -911,7 +926,8 @@ static int __init i8k_probe(void) /* * Get DMI information */ - if (!dmi_check_system(i8k_dmi_table)) { + if (!dmi_check_system(i8k_dmi_table) || + dmi_check_system(i8k_blacklist_dmi_table)) { if (!ignore_dmi && !force) return -ENODEV; diff --git a/drivers/clk/keystone/pll.c b/drivers/clk/keystone/pll.c index 0dd8a4b12..4a375ead7 100644 --- a/drivers/clk/keystone/pll.c +++ b/drivers/clk/keystone/pll.c @@ -37,7 +37,8 @@ * Main PLL or any other PLLs in the device such as ARM PLL, DDR PLL * or PA PLL available on keystone2. These PLLs are controlled by * this register. Main PLL is controlled by a PLL controller. - * @pllm: PLL register map address + * @pllm: PLL register map address for multiplier bits + * @pllod: PLL register map address for post divider bits * @pll_ctl0: PLL controller map address * @pllm_lower_mask: multiplier lower mask * @pllm_upper_mask: multiplier upper mask @@ -53,6 +54,7 @@ struct clk_pll_data { u32 phy_pllm; u32 phy_pll_ctl0; void __iomem *pllm; + void __iomem *pllod; void __iomem *pll_ctl0; u32 pllm_lower_mask; u32 pllm_upper_mask; @@ -102,7 +104,11 @@ static unsigned long clk_pllclk_recalc(struct clk_hw *hw, /* read post divider from od bits*/ postdiv = ((val & pll_data->clkod_mask) >> pll_data->clkod_shift) + 1; - else + else if (pll_data->pllod) { + postdiv = readl(pll_data->pllod); + postdiv = ((postdiv & pll_data->clkod_mask) >> + pll_data->clkod_shift) + 1; + } else postdiv = pll_data->postdiv; rate /= (prediv + 1); @@ -172,12 +178,21 @@ static void __init _of_pll_clk_init(struct device_node *node, bool pllctrl) /* assume the PLL has output divider register bits */ pll_data->clkod_mask = CLKOD_MASK; pll_data->clkod_shift = CLKOD_SHIFT; + + /* + * Check if there is an post-divider register. If not + * assume od bits are part of control register. + */ + i = of_property_match_string(node, "reg-names", + "post-divider"); + pll_data->pllod = of_iomap(node, i); } i = of_property_match_string(node, "reg-names", "control"); pll_data->pll_ctl0 = of_iomap(node, i); if (!pll_data->pll_ctl0) { pr_err("%s: ioremap failed\n", __func__); + iounmap(pll_data->pllod); goto out; } @@ -193,6 +208,7 @@ static void __init _of_pll_clk_init(struct device_node *node, bool pllctrl) pll_data->pllm = of_iomap(node, i); if (!pll_data->pllm) { iounmap(pll_data->pll_ctl0); + iounmap(pll_data->pllod); goto out; } } diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index 48f453555..ede9e9e3c 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c @@ -904,7 +904,6 @@ static int ablk_perform(struct ablkcipher_request *req, int encrypt) crypt->mode |= NPE_OP_NOT_IN_PLACE; /* This was never tested by Intel * for more than one dst buffer, I think. */ - BUG_ON(req->dst->length < nbytes); req_ctx->dst = NULL; if (!chainup_buffers(dev, req->dst, nbytes, &dst_hook, flags, DMA_FROM_DEVICE)) diff --git a/drivers/crypto/nx/nx-aes-ccm.c b/drivers/crypto/nx/nx-aes-ccm.c index 67f80813a..e4311ce0c 100644 --- a/drivers/crypto/nx/nx-aes-ccm.c +++ b/drivers/crypto/nx/nx-aes-ccm.c @@ -494,8 +494,9 @@ out: static int ccm4309_aes_nx_encrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); + struct nx_gcm_rctx *rctx = aead_request_ctx(req); struct blkcipher_desc desc; - u8 *iv = nx_ctx->priv.ccm.iv; + u8 *iv = rctx->iv; iv[0] = 3; memcpy(iv + 1, nx_ctx->priv.ccm.nonce, 3); @@ -525,8 +526,9 @@ static int ccm_aes_nx_encrypt(struct aead_request *req) static int ccm4309_aes_nx_decrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); + struct nx_gcm_rctx *rctx = aead_request_ctx(req); struct blkcipher_desc desc; - u8 *iv = nx_ctx->priv.ccm.iv; + u8 *iv = rctx->iv; iv[0] = 3; memcpy(iv + 1, nx_ctx->priv.ccm.nonce, 3); diff --git a/drivers/crypto/nx/nx-aes-ctr.c b/drivers/crypto/nx/nx-aes-ctr.c index 2617cd4d5..dd7e9f3f5 100644 --- a/drivers/crypto/nx/nx-aes-ctr.c +++ b/drivers/crypto/nx/nx-aes-ctr.c @@ -72,7 +72,7 @@ static int ctr3686_aes_nx_set_key(struct crypto_tfm *tfm, if (key_len < CTR_RFC3686_NONCE_SIZE) return -EINVAL; - memcpy(nx_ctx->priv.ctr.iv, + memcpy(nx_ctx->priv.ctr.nonce, in_key + key_len - CTR_RFC3686_NONCE_SIZE, CTR_RFC3686_NONCE_SIZE); @@ -131,14 +131,15 @@ static int ctr3686_aes_nx_crypt(struct blkcipher_desc *desc, unsigned int nbytes) { struct nx_crypto_ctx *nx_ctx = crypto_blkcipher_ctx(desc->tfm); - u8 *iv = nx_ctx->priv.ctr.iv; + u8 iv[16]; + memcpy(iv, nx_ctx->priv.ctr.nonce, CTR_RFC3686_IV_SIZE); memcpy(iv + CTR_RFC3686_NONCE_SIZE, desc->info, CTR_RFC3686_IV_SIZE); iv[12] = iv[13] = iv[14] = 0; iv[15] = 1; - desc->info = nx_ctx->priv.ctr.iv; + desc->info = iv; return ctr_aes_nx_crypt(desc, dst, src, nbytes); } diff --git a/drivers/crypto/nx/nx-aes-gcm.c b/drivers/crypto/nx/nx-aes-gcm.c index 88c562434..c6ebeb644 100644 --- a/drivers/crypto/nx/nx-aes-gcm.c +++ b/drivers/crypto/nx/nx-aes-gcm.c @@ -330,6 +330,7 @@ out: static int gcm_aes_nx_crypt(struct aead_request *req, int enc) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); + struct nx_gcm_rctx *rctx = aead_request_ctx(req); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; struct blkcipher_desc desc; unsigned int nbytes = req->cryptlen; @@ -339,7 +340,7 @@ static int gcm_aes_nx_crypt(struct aead_request *req, int enc) spin_lock_irqsave(&nx_ctx->lock, irq_flags); - desc.info = nx_ctx->priv.gcm.iv; + desc.info = rctx->iv; /* initialize the counter */ *(u32 *)(desc.info + NX_GCM_CTR_OFFSET) = 1; @@ -434,8 +435,8 @@ out: static int gcm_aes_nx_encrypt(struct aead_request *req) { - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; memcpy(iv, req->iv, 12); @@ -444,8 +445,8 @@ static int gcm_aes_nx_encrypt(struct aead_request *req) static int gcm_aes_nx_decrypt(struct aead_request *req) { - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; memcpy(iv, req->iv, 12); @@ -455,7 +456,8 @@ static int gcm_aes_nx_decrypt(struct aead_request *req) static int gcm4106_aes_nx_encrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; char *nonce = nx_ctx->priv.gcm.nonce; memcpy(iv, nonce, NX_GCM4106_NONCE_LEN); @@ -467,7 +469,8 @@ static int gcm4106_aes_nx_encrypt(struct aead_request *req) static int gcm4106_aes_nx_decrypt(struct aead_request *req) { struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(req->base.tfm); - char *iv = nx_ctx->priv.gcm.iv; + struct nx_gcm_rctx *rctx = aead_request_ctx(req); + char *iv = rctx->iv; char *nonce = nx_ctx->priv.gcm.nonce; memcpy(iv, nonce, NX_GCM4106_NONCE_LEN); diff --git a/drivers/crypto/nx/nx-aes-xcbc.c b/drivers/crypto/nx/nx-aes-xcbc.c index 8c2faffab..c2f7d4bef 100644 --- a/drivers/crypto/nx/nx-aes-xcbc.c +++ b/drivers/crypto/nx/nx-aes-xcbc.c @@ -42,6 +42,7 @@ static int nx_xcbc_set_key(struct crypto_shash *desc, unsigned int key_len) { struct nx_crypto_ctx *nx_ctx = crypto_shash_ctx(desc); + struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; switch (key_len) { case AES_KEYSIZE_128: @@ -51,7 +52,7 @@ static int nx_xcbc_set_key(struct crypto_shash *desc, return -EINVAL; } - memcpy(nx_ctx->priv.xcbc.key, in_key, key_len); + memcpy(csbcpb->cpb.aes_xcbc.key, in_key, key_len); return 0; } @@ -148,32 +149,29 @@ out: return rc; } -static int nx_xcbc_init(struct shash_desc *desc) +static int nx_crypto_ctx_aes_xcbc_init2(struct crypto_tfm *tfm) { - struct xcbc_state *sctx = shash_desc_ctx(desc); - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); + struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; - struct nx_sg *out_sg; - int len; + int err; - nx_ctx_init(nx_ctx, HCOP_FC_AES); + err = nx_crypto_ctx_aes_xcbc_init(tfm); + if (err) + return err; - memset(sctx, 0, sizeof *sctx); + nx_ctx_init(nx_ctx, HCOP_FC_AES); NX_CPB_SET_KEY_SIZE(csbcpb, NX_KS_AES_128); csbcpb->cpb.hdr.mode = NX_MODE_AES_XCBC_MAC; - memcpy(csbcpb->cpb.aes_xcbc.key, nx_ctx->priv.xcbc.key, AES_BLOCK_SIZE); - memset(nx_ctx->priv.xcbc.key, 0, sizeof *nx_ctx->priv.xcbc.key); - - len = AES_BLOCK_SIZE; - out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, - &len, nx_ctx->ap->sglen); + return 0; +} - if (len != AES_BLOCK_SIZE) - return -EINVAL; +static int nx_xcbc_init(struct shash_desc *desc) +{ + struct xcbc_state *sctx = shash_desc_ctx(desc); - nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + memset(sctx, 0, sizeof *sctx); return 0; } @@ -186,6 +184,7 @@ static int nx_xcbc_update(struct shash_desc *desc, struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = nx_ctx->csbcpb; struct nx_sg *in_sg; + struct nx_sg *out_sg; u32 to_process = 0, leftover, total; unsigned int max_sg_len; unsigned long irq_flags; @@ -213,6 +212,17 @@ static int nx_xcbc_update(struct shash_desc *desc, max_sg_len = min_t(u64, max_sg_len, nx_ctx->ap->databytelen/NX_PAGE_SIZE); + data_len = AES_BLOCK_SIZE; + out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, + &len, nx_ctx->ap->sglen); + + if (data_len != AES_BLOCK_SIZE) { + rc = -EINVAL; + goto out; + } + + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + do { to_process = total - to_process; to_process = to_process & ~(AES_BLOCK_SIZE - 1); @@ -235,8 +245,10 @@ static int nx_xcbc_update(struct shash_desc *desc, (u8 *) sctx->buffer, &data_len, max_sg_len); - if (data_len != sctx->count) - return -EINVAL; + if (data_len != sctx->count) { + rc = -EINVAL; + goto out; + } } data_len = to_process - sctx->count; @@ -245,8 +257,10 @@ static int nx_xcbc_update(struct shash_desc *desc, &data_len, max_sg_len); - if (data_len != to_process - sctx->count) - return -EINVAL; + if (data_len != to_process - sctx->count) { + rc = -EINVAL; + goto out; + } nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); @@ -325,15 +339,19 @@ static int nx_xcbc_final(struct shash_desc *desc, u8 *out) in_sg = nx_build_sg_list(nx_ctx->in_sg, (u8 *)sctx->buffer, &len, nx_ctx->ap->sglen); - if (len != sctx->count) - return -EINVAL; + if (len != sctx->count) { + rc = -EINVAL; + goto out; + } len = AES_BLOCK_SIZE; out_sg = nx_build_sg_list(nx_ctx->out_sg, out, &len, nx_ctx->ap->sglen); - if (len != AES_BLOCK_SIZE) - return -EINVAL; + if (len != AES_BLOCK_SIZE) { + rc = -EINVAL; + goto out; + } nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); @@ -372,7 +390,7 @@ struct shash_alg nx_shash_aes_xcbc_alg = { .cra_blocksize = AES_BLOCK_SIZE, .cra_module = THIS_MODULE, .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_init = nx_crypto_ctx_aes_xcbc_init, + .cra_init = nx_crypto_ctx_aes_xcbc_init2, .cra_exit = nx_crypto_ctx_exit, } }; diff --git a/drivers/crypto/nx/nx-sha256.c b/drivers/crypto/nx/nx-sha256.c index 23621da62..08f8d5cd6 100644 --- a/drivers/crypto/nx/nx-sha256.c +++ b/drivers/crypto/nx/nx-sha256.c @@ -29,30 +29,28 @@ #include "nx.h" -static int nx_sha256_init(struct shash_desc *desc) +static int nx_crypto_ctx_sha256_init(struct crypto_tfm *tfm) { - struct sha256_state *sctx = shash_desc_ctx(desc); - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); - int len; - int rc; + struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm); + int err; - nx_ctx_init(nx_ctx, HCOP_FC_SHA); + err = nx_crypto_ctx_sha_init(tfm); + if (err) + return err; - memset(sctx, 0, sizeof *sctx); + nx_ctx_init(nx_ctx, HCOP_FC_SHA); nx_ctx->ap = &nx_ctx->props[NX_PROPS_SHA256]; NX_CPB_SET_DIGEST_SIZE(nx_ctx->csbcpb, NX_DS_SHA256); - len = SHA256_DIGEST_SIZE; - rc = nx_sha_build_sg_list(nx_ctx, nx_ctx->out_sg, - &nx_ctx->op.outlen, - &len, - (u8 *) sctx->state, - NX_DS_SHA256); + return 0; +} - if (rc) - goto out; +static int nx_sha256_init(struct shash_desc *desc) { + struct sha256_state *sctx = shash_desc_ctx(desc); + + memset(sctx, 0, sizeof *sctx); sctx->state[0] = __cpu_to_be32(SHA256_H0); sctx->state[1] = __cpu_to_be32(SHA256_H1); @@ -64,7 +62,6 @@ static int nx_sha256_init(struct shash_desc *desc) sctx->state[7] = __cpu_to_be32(SHA256_H7); sctx->count = 0; -out: return 0; } @@ -74,10 +71,13 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, struct sha256_state *sctx = shash_desc_ctx(desc); struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = (struct nx_csbcpb *)nx_ctx->csbcpb; + struct nx_sg *in_sg; + struct nx_sg *out_sg; u64 to_process = 0, leftover, total; unsigned long irq_flags; int rc = 0; int data_len; + u32 max_sg_len; u64 buf_len = (sctx->count % SHA256_BLOCK_SIZE); spin_lock_irqsave(&nx_ctx->lock, irq_flags); @@ -97,6 +97,22 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, NX_CPB_FDM(csbcpb) |= NX_FDM_INTERMEDIATE; NX_CPB_FDM(csbcpb) |= NX_FDM_CONTINUATION; + in_sg = nx_ctx->in_sg; + max_sg_len = min_t(u64, nx_ctx->ap->sglen, + nx_driver.of.max_sg_len/sizeof(struct nx_sg)); + max_sg_len = min_t(u64, max_sg_len, + nx_ctx->ap->databytelen/NX_PAGE_SIZE); + + data_len = SHA256_DIGEST_SIZE; + out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, + &data_len, max_sg_len); + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + + if (data_len != SHA256_DIGEST_SIZE) { + rc = -EINVAL; + goto out; + } + do { /* * to_process: the SHA256_BLOCK_SIZE data chunk to process in @@ -108,25 +124,22 @@ static int nx_sha256_update(struct shash_desc *desc, const u8 *data, if (buf_len) { data_len = buf_len; - rc = nx_sha_build_sg_list(nx_ctx, nx_ctx->in_sg, - &nx_ctx->op.inlen, - &data_len, - (u8 *) sctx->buf, - NX_DS_SHA256); + in_sg = nx_build_sg_list(nx_ctx->in_sg, + (u8 *) sctx->buf, + &data_len, + max_sg_len); - if (rc || data_len != buf_len) + if (data_len != buf_len) { + rc = -EINVAL; goto out; + } } data_len = to_process - buf_len; - rc = nx_sha_build_sg_list(nx_ctx, nx_ctx->in_sg, - &nx_ctx->op.inlen, - &data_len, - (u8 *) data, - NX_DS_SHA256); + in_sg = nx_build_sg_list(in_sg, (u8 *) data, + &data_len, max_sg_len); - if (rc) - goto out; + nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); to_process = (data_len + buf_len); leftover = total - to_process; @@ -173,12 +186,19 @@ static int nx_sha256_final(struct shash_desc *desc, u8 *out) struct sha256_state *sctx = shash_desc_ctx(desc); struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = (struct nx_csbcpb *)nx_ctx->csbcpb; + struct nx_sg *in_sg, *out_sg; unsigned long irq_flags; - int rc; + u32 max_sg_len; + int rc = 0; int len; spin_lock_irqsave(&nx_ctx->lock, irq_flags); + max_sg_len = min_t(u64, nx_ctx->ap->sglen, + nx_driver.of.max_sg_len/sizeof(struct nx_sg)); + max_sg_len = min_t(u64, max_sg_len, + nx_ctx->ap->databytelen/NX_PAGE_SIZE); + /* final is represented by continuing the operation and indicating that * this is not an intermediate operation */ if (sctx->count >= SHA256_BLOCK_SIZE) { @@ -195,25 +215,24 @@ static int nx_sha256_final(struct shash_desc *desc, u8 *out) csbcpb->cpb.sha256.message_bit_length = (u64) (sctx->count * 8); len = sctx->count & (SHA256_BLOCK_SIZE - 1); - rc = nx_sha_build_sg_list(nx_ctx, nx_ctx->in_sg, - &nx_ctx->op.inlen, - &len, - (u8 *) sctx->buf, - NX_DS_SHA256); + in_sg = nx_build_sg_list(nx_ctx->in_sg, (u8 *) sctx->buf, + &len, max_sg_len); - if (rc || len != (sctx->count & (SHA256_BLOCK_SIZE - 1))) + if (len != (sctx->count & (SHA256_BLOCK_SIZE - 1))) { + rc = -EINVAL; goto out; + } len = SHA256_DIGEST_SIZE; - rc = nx_sha_build_sg_list(nx_ctx, nx_ctx->out_sg, - &nx_ctx->op.outlen, - &len, - out, - NX_DS_SHA256); + out_sg = nx_build_sg_list(nx_ctx->out_sg, out, &len, max_sg_len); - if (rc || len != SHA256_DIGEST_SIZE) + if (len != SHA256_DIGEST_SIZE) { + rc = -EINVAL; goto out; + } + nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); if (!nx_ctx->op.outlen) { rc = -EINVAL; goto out; @@ -268,7 +287,7 @@ struct shash_alg nx_shash_sha256_alg = { .cra_blocksize = SHA256_BLOCK_SIZE, .cra_module = THIS_MODULE, .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_init = nx_crypto_ctx_sha_init, + .cra_init = nx_crypto_ctx_sha256_init, .cra_exit = nx_crypto_ctx_exit, } }; diff --git a/drivers/crypto/nx/nx-sha512.c b/drivers/crypto/nx/nx-sha512.c index b3adf1022..aff0fe58e 100644 --- a/drivers/crypto/nx/nx-sha512.c +++ b/drivers/crypto/nx/nx-sha512.c @@ -28,30 +28,29 @@ #include "nx.h" -static int nx_sha512_init(struct shash_desc *desc) +static int nx_crypto_ctx_sha512_init(struct crypto_tfm *tfm) { - struct sha512_state *sctx = shash_desc_ctx(desc); - struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); - int len; - int rc; + struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(tfm); + int err; - nx_ctx_init(nx_ctx, HCOP_FC_SHA); + err = nx_crypto_ctx_sha_init(tfm); + if (err) + return err; - memset(sctx, 0, sizeof *sctx); + nx_ctx_init(nx_ctx, HCOP_FC_SHA); nx_ctx->ap = &nx_ctx->props[NX_PROPS_SHA512]; NX_CPB_SET_DIGEST_SIZE(nx_ctx->csbcpb, NX_DS_SHA512); - len = SHA512_DIGEST_SIZE; - rc = nx_sha_build_sg_list(nx_ctx, nx_ctx->out_sg, - &nx_ctx->op.outlen, - &len, - (u8 *)sctx->state, - NX_DS_SHA512); + return 0; +} - if (rc || len != SHA512_DIGEST_SIZE) - goto out; +static int nx_sha512_init(struct shash_desc *desc) +{ + struct sha512_state *sctx = shash_desc_ctx(desc); + + memset(sctx, 0, sizeof *sctx); sctx->state[0] = __cpu_to_be64(SHA512_H0); sctx->state[1] = __cpu_to_be64(SHA512_H1); @@ -63,7 +62,6 @@ static int nx_sha512_init(struct shash_desc *desc) sctx->state[7] = __cpu_to_be64(SHA512_H7); sctx->count[0] = 0; -out: return 0; } @@ -73,10 +71,13 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, struct sha512_state *sctx = shash_desc_ctx(desc); struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = (struct nx_csbcpb *)nx_ctx->csbcpb; + struct nx_sg *in_sg; + struct nx_sg *out_sg; u64 to_process, leftover = 0, total; unsigned long irq_flags; int rc = 0; int data_len; + u32 max_sg_len; u64 buf_len = (sctx->count[0] % SHA512_BLOCK_SIZE); spin_lock_irqsave(&nx_ctx->lock, irq_flags); @@ -96,6 +97,22 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, NX_CPB_FDM(csbcpb) |= NX_FDM_INTERMEDIATE; NX_CPB_FDM(csbcpb) |= NX_FDM_CONTINUATION; + in_sg = nx_ctx->in_sg; + max_sg_len = min_t(u64, nx_ctx->ap->sglen, + nx_driver.of.max_sg_len/sizeof(struct nx_sg)); + max_sg_len = min_t(u64, max_sg_len, + nx_ctx->ap->databytelen/NX_PAGE_SIZE); + + data_len = SHA512_DIGEST_SIZE; + out_sg = nx_build_sg_list(nx_ctx->out_sg, (u8 *)sctx->state, + &data_len, max_sg_len); + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); + + if (data_len != SHA512_DIGEST_SIZE) { + rc = -EINVAL; + goto out; + } + do { /* * to_process: the SHA512_BLOCK_SIZE data chunk to process in @@ -108,25 +125,26 @@ static int nx_sha512_update(struct shash_desc *desc, const u8 *data, if (buf_len) { data_len = buf_len; - rc = nx_sha_build_sg_list(nx_ctx, nx_ctx->in_sg, - &nx_ctx->op.inlen, - &data_len, - (u8 *) sctx->buf, - NX_DS_SHA512); + in_sg = nx_build_sg_list(nx_ctx->in_sg, + (u8 *) sctx->buf, + &data_len, max_sg_len); - if (rc || data_len != buf_len) + if (data_len != buf_len) { + rc = -EINVAL; goto out; + } } data_len = to_process - buf_len; - rc = nx_sha_build_sg_list(nx_ctx, nx_ctx->in_sg, - &nx_ctx->op.inlen, - &data_len, - (u8 *) data, - NX_DS_SHA512); + in_sg = nx_build_sg_list(in_sg, (u8 *) data, + &data_len, max_sg_len); + + nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); - if (rc || data_len != (to_process - buf_len)) + if (data_len != (to_process - buf_len)) { + rc = -EINVAL; goto out; + } to_process = (data_len + buf_len); leftover = total - to_process; @@ -172,13 +190,20 @@ static int nx_sha512_final(struct shash_desc *desc, u8 *out) struct sha512_state *sctx = shash_desc_ctx(desc); struct nx_crypto_ctx *nx_ctx = crypto_tfm_ctx(&desc->tfm->base); struct nx_csbcpb *csbcpb = (struct nx_csbcpb *)nx_ctx->csbcpb; + struct nx_sg *in_sg, *out_sg; + u32 max_sg_len; u64 count0; unsigned long irq_flags; - int rc; + int rc = 0; int len; spin_lock_irqsave(&nx_ctx->lock, irq_flags); + max_sg_len = min_t(u64, nx_ctx->ap->sglen, + nx_driver.of.max_sg_len/sizeof(struct nx_sg)); + max_sg_len = min_t(u64, max_sg_len, + nx_ctx->ap->databytelen/NX_PAGE_SIZE); + /* final is represented by continuing the operation and indicating that * this is not an intermediate operation */ if (sctx->count[0] >= SHA512_BLOCK_SIZE) { @@ -200,24 +225,20 @@ static int nx_sha512_final(struct shash_desc *desc, u8 *out) csbcpb->cpb.sha512.message_bit_length_lo = count0; len = sctx->count[0] & (SHA512_BLOCK_SIZE - 1); - rc = nx_sha_build_sg_list(nx_ctx, nx_ctx->in_sg, - &nx_ctx->op.inlen, - &len, - (u8 *)sctx->buf, - NX_DS_SHA512); + in_sg = nx_build_sg_list(nx_ctx->in_sg, sctx->buf, &len, + max_sg_len); - if (rc || len != (sctx->count[0] & (SHA512_BLOCK_SIZE - 1))) + if (len != (sctx->count[0] & (SHA512_BLOCK_SIZE - 1))) { + rc = -EINVAL; goto out; + } len = SHA512_DIGEST_SIZE; - rc = nx_sha_build_sg_list(nx_ctx, nx_ctx->out_sg, - &nx_ctx->op.outlen, - &len, - out, - NX_DS_SHA512); + out_sg = nx_build_sg_list(nx_ctx->out_sg, out, &len, + max_sg_len); - if (rc) - goto out; + nx_ctx->op.inlen = (nx_ctx->in_sg - in_sg) * sizeof(struct nx_sg); + nx_ctx->op.outlen = (nx_ctx->out_sg - out_sg) * sizeof(struct nx_sg); if (!nx_ctx->op.outlen) { rc = -EINVAL; @@ -273,7 +294,7 @@ struct shash_alg nx_shash_sha512_alg = { .cra_blocksize = SHA512_BLOCK_SIZE, .cra_module = THIS_MODULE, .cra_ctxsize = sizeof(struct nx_crypto_ctx), - .cra_init = nx_crypto_ctx_sha_init, + .cra_init = nx_crypto_ctx_sha512_init, .cra_exit = nx_crypto_ctx_exit, } }; diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c index 1da6dc59d..737d33dc5 100644 --- a/drivers/crypto/nx/nx.c +++ b/drivers/crypto/nx/nx.c @@ -215,8 +215,15 @@ struct nx_sg *nx_walk_and_build(struct nx_sg *nx_dst, * @delta: is the amount we need to crop in order to bound the list. * */ -static long int trim_sg_list(struct nx_sg *sg, struct nx_sg *end, unsigned int delta) +static long int trim_sg_list(struct nx_sg *sg, + struct nx_sg *end, + unsigned int delta, + unsigned int *nbytes) { + long int oplen; + long int data_back; + unsigned int is_delta = delta; + while (delta && end > sg) { struct nx_sg *last = end - 1; @@ -228,54 +235,20 @@ static long int trim_sg_list(struct nx_sg *sg, struct nx_sg *end, unsigned int d delta -= last->len; } } - return (sg - end) * sizeof(struct nx_sg); -} - -/** - * nx_sha_build_sg_list - walk and build sg list to sha modes - * using right bounds and limits. - * @nx_ctx: NX crypto context for the lists we're building - * @nx_sg: current sg list in or out list - * @op_len: current op_len to be used in order to build a sg list - * @nbytes: number or bytes to be processed - * @offset: buf offset - * @mode: SHA256 or SHA512 - */ -int nx_sha_build_sg_list(struct nx_crypto_ctx *nx_ctx, - struct nx_sg *nx_in_outsg, - s64 *op_len, - unsigned int *nbytes, - u8 *offset, - u32 mode) -{ - unsigned int delta = 0; - unsigned int total = *nbytes; - struct nx_sg *nx_insg = nx_in_outsg; - unsigned int max_sg_len; - max_sg_len = min_t(u64, nx_ctx->ap->sglen, - nx_driver.of.max_sg_len/sizeof(struct nx_sg)); - max_sg_len = min_t(u64, max_sg_len, - nx_ctx->ap->databytelen/NX_PAGE_SIZE); - - *nbytes = min_t(u64, *nbytes, nx_ctx->ap->databytelen); - nx_insg = nx_build_sg_list(nx_insg, offset, nbytes, max_sg_len); - - switch (mode) { - case NX_DS_SHA256: - if (*nbytes < total) - delta = *nbytes - (*nbytes & ~(SHA256_BLOCK_SIZE - 1)); - break; - case NX_DS_SHA512: - if (*nbytes < total) - delta = *nbytes - (*nbytes & ~(SHA512_BLOCK_SIZE - 1)); - break; - default: - return -EINVAL; + /* There are cases where we need to crop list in order to make it + * a block size multiple, but we also need to align data. In order to + * that we need to calculate how much we need to put back to be + * processed + */ + oplen = (sg - end) * sizeof(struct nx_sg); + if (is_delta) { + data_back = (abs(oplen) / AES_BLOCK_SIZE) * sg->len; + data_back = *nbytes - (data_back & ~(AES_BLOCK_SIZE - 1)); + *nbytes -= data_back; } - *op_len = trim_sg_list(nx_in_outsg, nx_insg, delta); - return 0; + return oplen; } /** @@ -330,8 +303,8 @@ int nx_build_sg_lists(struct nx_crypto_ctx *nx_ctx, /* these lengths should be negative, which will indicate to phyp that * the input and output parameters are scatterlists, not linear * buffers */ - nx_ctx->op.inlen = trim_sg_list(nx_ctx->in_sg, nx_insg, delta); - nx_ctx->op.outlen = trim_sg_list(nx_ctx->out_sg, nx_outsg, delta); + nx_ctx->op.inlen = trim_sg_list(nx_ctx->in_sg, nx_insg, delta, nbytes); + nx_ctx->op.outlen = trim_sg_list(nx_ctx->out_sg, nx_outsg, delta, nbytes); return 0; } @@ -662,12 +635,14 @@ static int nx_crypto_ctx_init(struct nx_crypto_ctx *nx_ctx, u32 fc, u32 mode) /* entry points from the crypto tfm initializers */ int nx_crypto_ctx_aes_ccm_init(struct crypto_tfm *tfm) { + tfm->crt_aead.reqsize = sizeof(struct nx_ccm_rctx); return nx_crypto_ctx_init(crypto_tfm_ctx(tfm), NX_FC_AES, NX_MODE_AES_CCM); } int nx_crypto_ctx_aes_gcm_init(struct crypto_tfm *tfm) { + tfm->crt_aead.reqsize = sizeof(struct nx_gcm_rctx); return nx_crypto_ctx_init(crypto_tfm_ctx(tfm), NX_FC_AES, NX_MODE_AES_GCM); } diff --git a/drivers/crypto/nx/nx.h b/drivers/crypto/nx/nx.h index 6c9ecaaea..c3ed83764 100644 --- a/drivers/crypto/nx/nx.h +++ b/drivers/crypto/nx/nx.h @@ -2,6 +2,8 @@ #ifndef __NX_H__ #define __NX_H__ +#include <crypto/ctr.h> + #define NX_NAME "nx-crypto" #define NX_STRING "IBM Power7+ Nest Accelerator Crypto Driver" #define NX_VERSION "1.0" @@ -91,8 +93,11 @@ struct nx_crypto_driver { #define NX_GCM4106_NONCE_LEN (4) #define NX_GCM_CTR_OFFSET (12) -struct nx_gcm_priv { +struct nx_gcm_rctx { u8 iv[16]; +}; + +struct nx_gcm_priv { u8 iauth_tag[16]; u8 nonce[NX_GCM4106_NONCE_LEN]; }; @@ -100,8 +105,11 @@ struct nx_gcm_priv { #define NX_CCM_AES_KEY_LEN (16) #define NX_CCM4309_AES_KEY_LEN (19) #define NX_CCM4309_NONCE_LEN (3) -struct nx_ccm_priv { +struct nx_ccm_rctx { u8 iv[16]; +}; + +struct nx_ccm_priv { u8 b0[16]; u8 iauth_tag[16]; u8 oauth_tag[16]; @@ -113,7 +121,7 @@ struct nx_xcbc_priv { }; struct nx_ctr_priv { - u8 iv[16]; + u8 nonce[CTR_RFC3686_NONCE_SIZE]; }; struct nx_crypto_ctx { @@ -153,8 +161,6 @@ void nx_crypto_ctx_exit(struct crypto_tfm *tfm); void nx_ctx_init(struct nx_crypto_ctx *nx_ctx, unsigned int function); int nx_hcall_sync(struct nx_crypto_ctx *ctx, struct vio_pfo_op *op, u32 may_sleep); -int nx_sha_build_sg_list(struct nx_crypto_ctx *, struct nx_sg *, - s64 *, unsigned int *, u8 *, u32); struct nx_sg *nx_build_sg_list(struct nx_sg *, u8 *, unsigned int *, u32); int nx_build_sg_lists(struct nx_crypto_ctx *, struct blkcipher_desc *, struct scatterlist *, struct scatterlist *, unsigned int *, diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index 1dc5b0a17..34139a889 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -73,7 +73,8 @@ ICP_QAT_HW_CIPHER_KEY_CONVERT, \ ICP_QAT_HW_CIPHER_DECRYPT) -static atomic_t active_dev; +static DEFINE_MUTEX(algs_lock); +static unsigned int active_devs; struct qat_alg_buf { uint32_t len; @@ -1271,7 +1272,10 @@ static struct crypto_alg qat_algs[] = { { int qat_algs_register(void) { - if (atomic_add_return(1, &active_dev) == 1) { + int ret = 0; + + mutex_lock(&algs_lock); + if (++active_devs == 1) { int i; for (i = 0; i < ARRAY_SIZE(qat_algs); i++) @@ -1280,21 +1284,25 @@ int qat_algs_register(void) CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC : CRYPTO_ALG_TYPE_ABLKCIPHER | CRYPTO_ALG_ASYNC; - return crypto_register_algs(qat_algs, ARRAY_SIZE(qat_algs)); + ret = crypto_register_algs(qat_algs, ARRAY_SIZE(qat_algs)); } - return 0; + mutex_unlock(&algs_lock); + return ret; } int qat_algs_unregister(void) { - if (atomic_sub_return(1, &active_dev) == 0) - return crypto_unregister_algs(qat_algs, ARRAY_SIZE(qat_algs)); - return 0; + int ret = 0; + + mutex_lock(&algs_lock); + if (--active_devs == 0) + ret = crypto_unregister_algs(qat_algs, ARRAY_SIZE(qat_algs)); + mutex_unlock(&algs_lock); + return ret; } int qat_algs_init(void) { - atomic_set(&active_dev, 0); crypto_get_default_rng(); return 0; } diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 7992164ea..c89a7abb5 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -648,16 +648,17 @@ at_xdmac_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, desc->lld.mbr_sa = mem; desc->lld.mbr_da = atchan->sconfig.dst_addr; } - desc->lld.mbr_cfg = atchan->cfg; - dwidth = at_xdmac_get_dwidth(desc->lld.mbr_cfg); + dwidth = at_xdmac_get_dwidth(atchan->cfg); fixed_dwidth = IS_ALIGNED(len, 1 << dwidth) - ? at_xdmac_get_dwidth(desc->lld.mbr_cfg) + ? dwidth : AT_XDMAC_CC_DWIDTH_BYTE; desc->lld.mbr_ubc = AT_XDMAC_MBR_UBC_NDV2 /* next descriptor view */ | AT_XDMAC_MBR_UBC_NDEN /* next descriptor dst parameter update */ | AT_XDMAC_MBR_UBC_NSEN /* next descriptor src parameter update */ | (i == sg_len - 1 ? 0 : AT_XDMAC_MBR_UBC_NDE) /* descriptor fetch */ | (len >> fixed_dwidth); /* microblock length */ + desc->lld.mbr_cfg = (atchan->cfg & ~AT_XDMAC_CC_DWIDTH_MASK) | + AT_XDMAC_CC_DWIDTH(fixed_dwidth); dev_dbg(chan2dev(chan), "%s: lld: mbr_sa=%pad, mbr_da=%pad, mbr_ubc=0x%08x\n", __func__, &desc->lld.mbr_sa, &desc->lld.mbr_da, desc->lld.mbr_ubc); diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 340f9e607..3dabc52b9 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2328,7 +2328,7 @@ static dma_cookie_t pl330_tx_submit(struct dma_async_tx_descriptor *tx) desc->txd.callback = last->txd.callback; desc->txd.callback_param = last->txd.callback_param; } - last->last = false; + desc->last = false; dma_cookie_assign(&desc->txd); @@ -2621,6 +2621,7 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, desc->rqcfg.brst_len = 1; desc->rqcfg.brst_len = get_burst_len(desc, len); + desc->bytes_requested = len; desc->txd.flags = flags; diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 778bbb642..b0487c9f0 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -1294,7 +1294,6 @@ retry: goto retry; } DRM_DEBUG_KMS("failed to dpcd write %d %d\n", tosend, ret); - WARN(1, "fail\n"); return -EIO; } diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 8ae6f7f06..683a9b004 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -3190,15 +3190,14 @@ int intel_freq_opcode(struct drm_i915_private *dev_priv, int val); #define I915_READ64(reg) dev_priv->uncore.funcs.mmio_readq(dev_priv, (reg), true) #define I915_READ64_2x32(lower_reg, upper_reg) ({ \ - u32 upper = I915_READ(upper_reg); \ - u32 lower = I915_READ(lower_reg); \ - u32 tmp = I915_READ(upper_reg); \ - if (upper != tmp) { \ - upper = tmp; \ - lower = I915_READ(lower_reg); \ - WARN_ON(I915_READ(upper_reg) != upper); \ - } \ - (u64)upper << 32 | lower; }) + u32 upper, lower, tmp; \ + tmp = I915_READ(upper_reg); \ + do { \ + upper = tmp; \ + lower = I915_READ(lower_reg); \ + tmp = I915_READ(upper_reg); \ + } while (upper != tmp); \ + (u64)upper << 32 | lower; }) #define POSTING_READ(reg) (void)I915_READ_NOTRACE(reg) #define POSTING_READ16(reg) (void)I915_READ16_NOTRACE(reg) diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index 6377b2226..7ee23d1d1 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -464,7 +464,10 @@ i915_gem_get_tiling(struct drm_device *dev, void *data, } /* Hide bit 17 from the user -- see comment in i915_gem_set_tiling */ - args->phys_swizzle_mode = args->swizzle_mode; + if (dev_priv->quirks & QUIRK_PIN_SWIZZLED_PAGES) + args->phys_swizzle_mode = I915_BIT_6_SWIZZLE_UNKNOWN; + else + args->phys_swizzle_mode = args->swizzle_mode; if (args->swizzle_mode == I915_BIT_6_SWIZZLE_9_17) args->swizzle_mode = I915_BIT_6_SWIZZLE_9; if (args->swizzle_mode == I915_BIT_6_SWIZZLE_9_10_17) diff --git a/drivers/gpu/drm/radeon/dce6_afmt.c b/drivers/gpu/drm/radeon/dce6_afmt.c index 68fd9fc67..44480c1b9 100644 --- a/drivers/gpu/drm/radeon/dce6_afmt.c +++ b/drivers/gpu/drm/radeon/dce6_afmt.c @@ -93,30 +93,26 @@ void dce6_afmt_select_pin(struct drm_encoder *encoder) struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - u32 offset; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->offset; - - WREG32(AFMT_AUDIO_SRC_CONTROL + offset, - AFMT_AUDIO_SRC_SELECT(dig->afmt->pin->id)); + WREG32(AFMT_AUDIO_SRC_CONTROL + dig->afmt->offset, + AFMT_AUDIO_SRC_SELECT(dig->pin->id)); } void dce6_afmt_write_latency_fields(struct drm_encoder *encoder, - struct drm_connector *connector, struct drm_display_mode *mode) + struct drm_connector *connector, + struct drm_display_mode *mode) { struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - u32 tmp = 0, offset; + u32 tmp = 0; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->pin->offset; - if (mode->flags & DRM_MODE_FLAG_INTERLACE) { if (connector->latency_present[1]) tmp = VIDEO_LIPSYNC(connector->video_latency[1]) | @@ -130,24 +126,24 @@ void dce6_afmt_write_latency_fields(struct drm_encoder *encoder, else tmp = VIDEO_LIPSYNC(0) | AUDIO_LIPSYNC(0); } - WREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); + WREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp); } void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder, - u8 *sadb, int sad_count) + u8 *sadb, int sad_count) { struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - u32 offset, tmp; + u32 tmp; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->pin->offset; - /* program the speaker allocation */ - tmp = RREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); + tmp = RREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); tmp &= ~(DP_CONNECTION | SPEAKER_ALLOCATION_MASK); /* set HDMI mode */ tmp |= HDMI_CONNECTION; @@ -155,24 +151,24 @@ void dce6_afmt_hdmi_write_speaker_allocation(struct drm_encoder *encoder, tmp |= SPEAKER_ALLOCATION(sadb[0]); else tmp |= SPEAKER_ALLOCATION(5); /* stereo */ - WREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); + WREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); } void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder, - u8 *sadb, int sad_count) + u8 *sadb, int sad_count) { struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - u32 offset, tmp; + u32 tmp; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->pin->offset; - /* program the speaker allocation */ - tmp = RREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); + tmp = RREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER); tmp &= ~(HDMI_CONNECTION | SPEAKER_ALLOCATION_MASK); /* set DP mode */ tmp |= DP_CONNECTION; @@ -180,13 +176,13 @@ void dce6_afmt_dp_write_speaker_allocation(struct drm_encoder *encoder, tmp |= SPEAKER_ALLOCATION(sadb[0]); else tmp |= SPEAKER_ALLOCATION(5); /* stereo */ - WREG32_ENDPOINT(offset, AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); + WREG32_ENDPOINT(dig->pin->offset, + AZ_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp); } void dce6_afmt_write_sad_regs(struct drm_encoder *encoder, - struct cea_sad *sads, int sad_count) + struct cea_sad *sads, int sad_count) { - u32 offset; int i; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; @@ -206,11 +202,9 @@ void dce6_afmt_write_sad_regs(struct drm_encoder *encoder, { AZ_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO }, }; - if (!dig || !dig->afmt || !dig->afmt->pin) + if (!dig || !dig->afmt || !dig->pin) return; - offset = dig->afmt->pin->offset; - for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) { u32 value = 0; u8 stereo_freqs = 0; @@ -237,7 +231,7 @@ void dce6_afmt_write_sad_regs(struct drm_encoder *encoder, value |= SUPPORTED_FREQUENCIES_STEREO(stereo_freqs); - WREG32_ENDPOINT(offset, eld_reg_to_type[i][0], value); + WREG32_ENDPOINT(dig->pin->offset, eld_reg_to_type[i][0], value); } } @@ -253,7 +247,7 @@ void dce6_audio_enable(struct radeon_device *rdev, } void dce6_hdmi_audio_set_dto(struct radeon_device *rdev, - struct radeon_crtc *crtc, unsigned int clock) + struct radeon_crtc *crtc, unsigned int clock) { /* Two dtos; generally use dto0 for HDMI */ u32 value = 0; @@ -272,7 +266,7 @@ void dce6_hdmi_audio_set_dto(struct radeon_device *rdev, } void dce6_dp_audio_set_dto(struct radeon_device *rdev, - struct radeon_crtc *crtc, unsigned int clock) + struct radeon_crtc *crtc, unsigned int clock) { /* Two dtos; generally use dto1 for DP */ u32 value = 0; diff --git a/drivers/gpu/drm/radeon/radeon_audio.c b/drivers/gpu/drm/radeon/radeon_audio.c index fa719c534..59b3d3221 100644 --- a/drivers/gpu/drm/radeon/radeon_audio.c +++ b/drivers/gpu/drm/radeon/radeon_audio.c @@ -245,6 +245,28 @@ static struct radeon_audio_funcs dce6_dp_funcs = { static void radeon_audio_enable(struct radeon_device *rdev, struct r600_audio_pin *pin, u8 enable_mask) { + struct drm_encoder *encoder; + struct radeon_encoder *radeon_encoder; + struct radeon_encoder_atom_dig *dig; + int pin_count = 0; + + if (!pin) + return; + + if (rdev->mode_info.mode_config_initialized) { + list_for_each_entry(encoder, &rdev->ddev->mode_config.encoder_list, head) { + if (radeon_encoder_is_digital(encoder)) { + radeon_encoder = to_radeon_encoder(encoder); + dig = radeon_encoder->enc_priv; + if (dig->pin == pin) + pin_count++; + } + } + + if ((pin_count > 1) && (enable_mask == 0)) + return; + } + if (rdev->audio.funcs->enable) rdev->audio.funcs->enable(rdev, pin, enable_mask); } @@ -336,24 +358,13 @@ void radeon_audio_endpoint_wreg(struct radeon_device *rdev, u32 offset, static void radeon_audio_write_sad_regs(struct drm_encoder *encoder) { - struct radeon_encoder *radeon_encoder; - struct drm_connector *connector; - struct radeon_connector *radeon_connector = NULL; + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct cea_sad *sads; int sad_count; - list_for_each_entry(connector, - &encoder->dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - radeon_connector = to_radeon_connector(connector); - break; - } - } - - if (!radeon_connector) { - DRM_ERROR("Couldn't find encoder's connector\n"); + if (!connector) return; - } sad_count = drm_edid_to_sad(radeon_connector_edid(connector), &sads); if (sad_count <= 0) { @@ -362,8 +373,6 @@ static void radeon_audio_write_sad_regs(struct drm_encoder *encoder) } BUG_ON(!sads); - radeon_encoder = to_radeon_encoder(encoder); - if (radeon_encoder->audio && radeon_encoder->audio->write_sad_regs) radeon_encoder->audio->write_sad_regs(encoder, sads, sad_count); @@ -372,27 +381,16 @@ static void radeon_audio_write_sad_regs(struct drm_encoder *encoder) static void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder) { + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); - struct drm_connector *connector; - struct radeon_connector *radeon_connector = NULL; u8 *sadb = NULL; int sad_count; - list_for_each_entry(connector, - &encoder->dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - radeon_connector = to_radeon_connector(connector); - break; - } - } - - if (!radeon_connector) { - DRM_ERROR("Couldn't find encoder's connector\n"); + if (!connector) return; - } - sad_count = drm_edid_to_speaker_allocation( - radeon_connector_edid(connector), &sadb); + sad_count = drm_edid_to_speaker_allocation(radeon_connector_edid(connector), + &sadb); if (sad_count < 0) { DRM_DEBUG("Couldn't read Speaker Allocation Data Block: %d\n", sad_count); @@ -406,26 +404,13 @@ static void radeon_audio_write_speaker_allocation(struct drm_encoder *encoder) } static void radeon_audio_write_latency_fields(struct drm_encoder *encoder, - struct drm_display_mode *mode) + struct drm_display_mode *mode) { - struct radeon_encoder *radeon_encoder; - struct drm_connector *connector; - struct radeon_connector *radeon_connector = 0; - - list_for_each_entry(connector, - &encoder->dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - radeon_connector = to_radeon_connector(connector); - break; - } - } + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); - if (!radeon_connector) { - DRM_ERROR("Couldn't find encoder's connector\n"); + if (!connector) return; - } - - radeon_encoder = to_radeon_encoder(encoder); if (radeon_encoder->audio && radeon_encoder->audio->write_latency_fields) radeon_encoder->audio->write_latency_fields(encoder, connector, mode); @@ -451,29 +436,23 @@ static void radeon_audio_select_pin(struct drm_encoder *encoder) } void radeon_audio_detect(struct drm_connector *connector, + struct drm_encoder *encoder, enum drm_connector_status status) { - struct radeon_device *rdev; - struct radeon_encoder *radeon_encoder; + struct drm_device *dev = connector->dev; + struct radeon_device *rdev = dev->dev_private; + struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig; - if (!connector || !connector->encoder) + if (!radeon_audio_chipset_supported(rdev)) return; - rdev = connector->encoder->dev->dev_private; - - if (!radeon_audio_chipset_supported(rdev)) + if (!radeon_encoder_is_digital(encoder)) return; - radeon_encoder = to_radeon_encoder(connector->encoder); dig = radeon_encoder->enc_priv; if (status == connector_status_connected) { - if (!drm_detect_monitor_audio(radeon_connector_edid(connector))) { - radeon_encoder->audio = NULL; - return; - } - if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) { struct radeon_connector *radeon_connector = to_radeon_connector(connector); @@ -486,11 +465,17 @@ void radeon_audio_detect(struct drm_connector *connector, radeon_encoder->audio = rdev->audio.hdmi_funcs; } - dig->afmt->pin = radeon_audio_get_pin(connector->encoder); - radeon_audio_enable(rdev, dig->afmt->pin, 0xf); + if (drm_detect_monitor_audio(radeon_connector_edid(connector))) { + if (!dig->pin) + dig->pin = radeon_audio_get_pin(encoder); + radeon_audio_enable(rdev, dig->pin, 0xf); + } else { + radeon_audio_enable(rdev, dig->pin, 0); + dig->pin = NULL; + } } else { - radeon_audio_enable(rdev, dig->afmt->pin, 0); - dig->afmt->pin = NULL; + radeon_audio_enable(rdev, dig->pin, 0); + dig->pin = NULL; } } @@ -518,29 +503,18 @@ static void radeon_audio_set_dto(struct drm_encoder *encoder, unsigned int clock } static int radeon_audio_set_avi_packet(struct drm_encoder *encoder, - struct drm_display_mode *mode) + struct drm_display_mode *mode) { struct radeon_device *rdev = encoder->dev->dev_private; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; - struct drm_connector *connector; - struct radeon_connector *radeon_connector = NULL; + struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE]; struct hdmi_avi_infoframe frame; int err; - list_for_each_entry(connector, - &encoder->dev->mode_config.connector_list, head) { - if (connector->encoder == encoder) { - radeon_connector = to_radeon_connector(connector); - break; - } - } - - if (!radeon_connector) { - DRM_ERROR("Couldn't find encoder's connector\n"); - return -ENOENT; - } + if (!connector) + return -EINVAL; err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode); if (err < 0) { @@ -563,8 +537,8 @@ static int radeon_audio_set_avi_packet(struct drm_encoder *encoder, return err; } - if (dig && dig->afmt && - radeon_encoder->audio && radeon_encoder->audio->set_avi_packet) + if (dig && dig->afmt && radeon_encoder->audio && + radeon_encoder->audio->set_avi_packet) radeon_encoder->audio->set_avi_packet(rdev, dig->afmt->offset, buffer, sizeof(buffer)); @@ -745,7 +719,7 @@ static void radeon_audio_hdmi_mode_set(struct drm_encoder *encoder, } static void radeon_audio_dp_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode) + struct drm_display_mode *mode) { struct drm_device *dev = encoder->dev; struct radeon_device *rdev = dev->dev_private; @@ -756,6 +730,9 @@ static void radeon_audio_dp_mode_set(struct drm_encoder *encoder, struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv; + if (!connector) + return; + if (!dig || !dig->afmt) return; @@ -774,7 +751,7 @@ static void radeon_audio_dp_mode_set(struct drm_encoder *encoder, } void radeon_audio_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *mode) + struct drm_display_mode *mode) { struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); diff --git a/drivers/gpu/drm/radeon/radeon_audio.h b/drivers/gpu/drm/radeon/radeon_audio.h index 8438304f7..059cc3012 100644 --- a/drivers/gpu/drm/radeon/radeon_audio.h +++ b/drivers/gpu/drm/radeon/radeon_audio.h @@ -68,7 +68,8 @@ struct radeon_audio_funcs int radeon_audio_init(struct radeon_device *rdev); void radeon_audio_detect(struct drm_connector *connector, - enum drm_connector_status status); + struct drm_encoder *encoder, + enum drm_connector_status status); u32 radeon_audio_endpoint_rreg(struct radeon_device *rdev, u32 offset, u32 reg); void radeon_audio_endpoint_wreg(struct radeon_device *rdev, diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 3e5f6b71f..c097d3a82 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -1255,10 +1255,15 @@ struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder if ((RBIOS16(tmp) == lvds->native_mode.hdisplay) && (RBIOS16(tmp + 2) == lvds->native_mode.vdisplay)) { + u32 hss = (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8; + + if (hss > lvds->native_mode.hdisplay) + hss = (10 - 1) * 8; + lvds->native_mode.htotal = lvds->native_mode.hdisplay + (RBIOS16(tmp + 17) - RBIOS16(tmp + 19)) * 8; lvds->native_mode.hsync_start = lvds->native_mode.hdisplay + - (RBIOS16(tmp + 21) - RBIOS16(tmp + 19) - 1) * 8; + hss; lvds->native_mode.hsync_end = lvds->native_mode.hsync_start + (RBIOS8(tmp + 23) * 8); diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index cebb65e07..94b21ae70 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -1379,8 +1379,16 @@ out: /* updated in get modes as well since we need to know if it's analog or digital */ radeon_connector_update_scratch_regs(connector, ret); - if (radeon_audio != 0) - radeon_audio_detect(connector, ret); + if ((radeon_audio != 0) && radeon_connector->use_digital) { + const struct drm_connector_helper_funcs *connector_funcs = + connector->helper_private; + + encoder = connector_funcs->best_encoder(connector); + if (encoder && (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)) { + radeon_connector_get_edid(connector); + radeon_audio_detect(connector, encoder, ret); + } + } exit: pm_runtime_mark_last_busy(connector->dev->dev); @@ -1717,8 +1725,10 @@ radeon_dp_detect(struct drm_connector *connector, bool force) radeon_connector_update_scratch_regs(connector, ret); - if (radeon_audio != 0) - radeon_audio_detect(connector, ret); + if ((radeon_audio != 0) && encoder) { + radeon_connector_get_edid(connector); + radeon_audio_detect(connector, encoder, ret); + } out: pm_runtime_mark_last_busy(connector->dev->dev); diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h index f01c797b7..9af2d8398 100644 --- a/drivers/gpu/drm/radeon/radeon_mode.h +++ b/drivers/gpu/drm/radeon/radeon_mode.h @@ -237,7 +237,6 @@ struct radeon_afmt { int offset; bool last_buffer_filled_status; int id; - struct r600_audio_pin *pin; }; struct radeon_mode_info { @@ -439,6 +438,7 @@ struct radeon_encoder_atom_dig { uint8_t backlight_level; int panel_mode; struct radeon_afmt *afmt; + struct r600_audio_pin *pin; int active_mst_links; }; diff --git a/drivers/hwmon/nct7904.c b/drivers/hwmon/nct7904.c index 6153df735..08ff89d22 100644 --- a/drivers/hwmon/nct7904.c +++ b/drivers/hwmon/nct7904.c @@ -575,6 +575,7 @@ static const struct i2c_device_id nct7904_id[] = { {"nct7904", 0}, {} }; +MODULE_DEVICE_TABLE(i2c, nct7904_id); static struct i2c_driver nct7904_driver = { .class = I2C_CLASS_HWMON, diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index a353b7de6..bc7eed679 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -20,6 +20,7 @@ #include <linux/input/mt.h> #include <linux/serio.h> #include <linux/libps2.h> +#include <linux/dmi.h> #include "psmouse.h" #include "alps.h" @@ -99,6 +100,7 @@ static const struct alps_nibble_commands alps_v6_nibble_commands[] = { #define ALPS_FOUR_BUTTONS 0x40 /* 4 direction button present */ #define ALPS_PS2_INTERLEAVED 0x80 /* 3-byte PS/2 packet interleaved with 6-byte ALPS packet */ +#define ALPS_DELL 0x100 /* device is a Dell laptop */ #define ALPS_BUTTONPAD 0x200 /* device is a clickpad */ static const struct alps_model_info alps_model_data[] = { @@ -251,9 +253,9 @@ static void alps_process_packet_v1_v2(struct psmouse *psmouse) return; } - /* Non interleaved V2 dualpoint has separate stick button bits */ + /* Dell non interleaved V2 dualpoint has separate stick button bits */ if (priv->proto_version == ALPS_PROTO_V2 && - priv->flags == (ALPS_PASS | ALPS_DUALPOINT)) { + priv->flags == (ALPS_DELL | ALPS_PASS | ALPS_DUALPOINT)) { left |= packet[0] & 1; right |= packet[0] & 2; middle |= packet[0] & 4; @@ -2542,6 +2544,8 @@ static int alps_set_protocol(struct psmouse *psmouse, priv->byte0 = protocol->byte0; priv->mask0 = protocol->mask0; priv->flags = protocol->flags; + if (dmi_name_in_vendors("Dell")) + priv->flags |= ALPS_DELL; priv->x_max = 2000; priv->y_max = 1400; diff --git a/drivers/md/dm.c b/drivers/md/dm.c index e8d84566f..697f34fba 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1719,7 +1719,8 @@ static int dm_merge_bvec(struct request_queue *q, struct mapped_device *md = q->queuedata; struct dm_table *map = dm_get_live_table_fast(md); struct dm_target *ti; - sector_t max_sectors, max_size = 0; + sector_t max_sectors; + int max_size = 0; if (unlikely(!map)) goto out; @@ -1732,18 +1733,10 @@ static int dm_merge_bvec(struct request_queue *q, * Find maximum amount of I/O that won't need splitting */ max_sectors = min(max_io_len(bvm->bi_sector, ti), - (sector_t) queue_max_sectors(q)); + (sector_t) BIO_MAX_SECTORS); max_size = (max_sectors << SECTOR_SHIFT) - bvm->bi_size; - - /* - * FIXME: this stop-gap fix _must_ be cleaned up (by passing a sector_t - * to the targets' merge function since it holds sectors not bytes). - * Just doing this as an interim fix for stable@ because the more - * comprehensive cleanup of switching to sector_t will impact every - * DM target that implements a ->merge hook. - */ - if (max_size > INT_MAX) - max_size = INT_MAX; + if (max_size < 0) + max_size = 0; /* * merge_bvec_fn() returns number of bytes @@ -1751,13 +1744,13 @@ static int dm_merge_bvec(struct request_queue *q, * max is precomputed maximal io size */ if (max_size && ti->type->merge) - max_size = ti->type->merge(ti, bvm, biovec, (int) max_size); + max_size = ti->type->merge(ti, bvm, biovec, max_size); /* * If the target doesn't support merge method and some of the devices - * provided their merge_bvec method (we know this by looking for the - * max_hw_sectors that dm_set_device_limits may set), then we can't - * allow bios with multiple vector entries. So always set max_size - * to 0, and the code below allows just one page. + * provided their merge_bvec method (we know this by looking at + * queue_max_hw_sectors), then we can't allow bios with multiple vector + * entries. So always set max_size to 0, and the code below allows + * just one page. */ else if (queue_max_hw_sectors(q) <= PAGE_SIZE >> 9) max_size = 0; diff --git a/drivers/md/md.c b/drivers/md/md.c index 84f9dead6..0c699709f 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5740,7 +5740,7 @@ static int get_bitmap_file(struct mddev *mddev, void __user * arg) char *ptr; int err; - file = kmalloc(sizeof(*file), GFP_NOIO); + file = kzalloc(sizeof(*file), GFP_NOIO); if (!file) return -ENOMEM; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index cd7b0c1e8..5ce3cd5c4 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1475,6 +1475,7 @@ static void error(struct mddev *mddev, struct md_rdev *rdev) { char b[BDEVNAME_SIZE]; struct r1conf *conf = mddev->private; + unsigned long flags; /* * If it is not operational, then we have already marked it as dead @@ -1494,14 +1495,13 @@ static void error(struct mddev *mddev, struct md_rdev *rdev) return; } set_bit(Blocked, &rdev->flags); + spin_lock_irqsave(&conf->device_lock, flags); if (test_and_clear_bit(In_sync, &rdev->flags)) { - unsigned long flags; - spin_lock_irqsave(&conf->device_lock, flags); mddev->degraded++; set_bit(Faulty, &rdev->flags); - spin_unlock_irqrestore(&conf->device_lock, flags); } else set_bit(Faulty, &rdev->flags); + spin_unlock_irqrestore(&conf->device_lock, flags); /* * if recovery is running, make sure it aborts. */ @@ -1567,7 +1567,10 @@ static int raid1_spare_active(struct mddev *mddev) * Find all failed disks within the RAID1 configuration * and mark them readable. * Called under mddev lock, so rcu protection not needed. + * device_lock used to avoid races with raid1_end_read_request + * which expects 'In_sync' flags and ->degraded to be consistent. */ + spin_lock_irqsave(&conf->device_lock, flags); for (i = 0; i < conf->raid_disks; i++) { struct md_rdev *rdev = conf->mirrors[i].rdev; struct md_rdev *repl = conf->mirrors[conf->raid_disks + i].rdev; @@ -1598,7 +1601,6 @@ static int raid1_spare_active(struct mddev *mddev) sysfs_notify_dirent_safe(rdev->sysfs_state); } } - spin_lock_irqsave(&conf->device_lock, flags); mddev->degraded -= count; spin_unlock_irqrestore(&conf->device_lock, flags); diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index d09d79a33..725879b58 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -1524,12 +1524,11 @@ static int ath10k_pci_get_num_banks(struct ath10k *ar) switch (MS(ar->chip_id, SOC_CHIP_ID_REV)) { case QCA6174_HW_1_0_CHIP_ID_REV: case QCA6174_HW_1_1_CHIP_ID_REV: + case QCA6174_HW_2_1_CHIP_ID_REV: + case QCA6174_HW_2_2_CHIP_ID_REV: return 3; case QCA6174_HW_1_3_CHIP_ID_REV: return 2; - case QCA6174_HW_2_1_CHIP_ID_REV: - case QCA6174_HW_2_2_CHIP_ID_REV: - return 6; case QCA6174_HW_3_0_CHIP_ID_REV: case QCA6174_HW_3_1_CHIP_ID_REV: case QCA6174_HW_3_2_CHIP_ID_REV: diff --git a/drivers/phy/phy-twl4030-usb.c b/drivers/phy/phy-twl4030-usb.c index 8882afbef..6285f46f3 100644 --- a/drivers/phy/phy-twl4030-usb.c +++ b/drivers/phy/phy-twl4030-usb.c @@ -144,6 +144,16 @@ #define PMBR1 0x0D #define GPIO_USB_4PIN_ULPI_2430C (3 << 0) +/* + * If VBUS is valid or ID is ground, then we know a + * cable is present and we need to be runtime-enabled + */ +static inline bool cable_present(enum omap_musb_vbus_id_status stat) +{ + return stat == OMAP_MUSB_VBUS_VALID || + stat == OMAP_MUSB_ID_GROUND; +} + struct twl4030_usb { struct usb_phy phy; struct device *dev; @@ -536,8 +546,10 @@ static irqreturn_t twl4030_usb_irq(int irq, void *_twl) mutex_lock(&twl->lock); if (status >= 0 && status != twl->linkstat) { + status_changed = + cable_present(twl->linkstat) != + cable_present(status); twl->linkstat = status; - status_changed = true; } mutex_unlock(&twl->lock); @@ -553,15 +565,11 @@ static irqreturn_t twl4030_usb_irq(int irq, void *_twl) * USB_LINK_VBUS state. musb_hdrc won't care until it * starts to handle softconnect right. */ - if ((status == OMAP_MUSB_VBUS_VALID) || - (status == OMAP_MUSB_ID_GROUND)) { - if (pm_runtime_suspended(twl->dev)) - pm_runtime_get_sync(twl->dev); + if (cable_present(status)) { + pm_runtime_get_sync(twl->dev); } else { - if (pm_runtime_active(twl->dev)) { - pm_runtime_mark_last_busy(twl->dev); - pm_runtime_put_autosuspend(twl->dev); - } + pm_runtime_mark_last_busy(twl->dev); + pm_runtime_put_autosuspend(twl->dev); } omap_musb_mailbox(status); } @@ -766,6 +774,9 @@ static int twl4030_usb_remove(struct platform_device *pdev) /* disable complete OTG block */ twl4030_usb_clear_bits(twl, POWER_CTRL, POWER_CTRL_OTG_ENAB); + + if (cable_present(twl->linkstat)) + pm_runtime_put_noidle(twl->dev); pm_runtime_mark_last_busy(twl->dev); pm_runtime_put(twl->dev); diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 882744852..a9aa38903 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -599,9 +599,10 @@ static void ipr_trc_hook(struct ipr_cmnd *ipr_cmd, { struct ipr_trace_entry *trace_entry; struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + unsigned int trace_index; - trace_entry = &ioa_cfg->trace[atomic_add_return - (1, &ioa_cfg->trace_index)%IPR_NUM_TRACE_ENTRIES]; + trace_index = atomic_add_return(1, &ioa_cfg->trace_index) & IPR_TRACE_INDEX_MASK; + trace_entry = &ioa_cfg->trace[trace_index]; trace_entry->time = jiffies; trace_entry->op_code = ipr_cmd->ioarcb.cmd_pkt.cdb[0]; trace_entry->type = type; @@ -1051,10 +1052,15 @@ static void ipr_send_blocking_cmd(struct ipr_cmnd *ipr_cmd, static int ipr_get_hrrq_index(struct ipr_ioa_cfg *ioa_cfg) { + unsigned int hrrq; + if (ioa_cfg->hrrq_num == 1) - return 0; - else - return (atomic_add_return(1, &ioa_cfg->hrrq_index) % (ioa_cfg->hrrq_num - 1)) + 1; + hrrq = 0; + else { + hrrq = atomic_add_return(1, &ioa_cfg->hrrq_index); + hrrq = (hrrq % (ioa_cfg->hrrq_num - 1)) + 1; + } + return hrrq; } /** @@ -6263,21 +6269,23 @@ static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd) struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd; u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); - unsigned long hrrq_flags; + unsigned long lock_flags; scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->s.ioasa.hdr.residual_data_len)); if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) { scsi_dma_unmap(scsi_cmd); - spin_lock_irqsave(ipr_cmd->hrrq->lock, hrrq_flags); + spin_lock_irqsave(ipr_cmd->hrrq->lock, lock_flags); list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); scsi_cmd->scsi_done(scsi_cmd); - spin_unlock_irqrestore(ipr_cmd->hrrq->lock, hrrq_flags); + spin_unlock_irqrestore(ipr_cmd->hrrq->lock, lock_flags); } else { - spin_lock_irqsave(ipr_cmd->hrrq->lock, hrrq_flags); + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + spin_lock(&ipr_cmd->hrrq->_lock); ipr_erp_start(ioa_cfg, ipr_cmd); - spin_unlock_irqrestore(ipr_cmd->hrrq->lock, hrrq_flags); + spin_unlock(&ipr_cmd->hrrq->_lock); + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); } } diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 73790a1d0..6b97ee45c 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -1486,6 +1486,7 @@ struct ipr_ioa_cfg { #define IPR_NUM_TRACE_INDEX_BITS 8 #define IPR_NUM_TRACE_ENTRIES (1 << IPR_NUM_TRACE_INDEX_BITS) +#define IPR_TRACE_INDEX_MASK (IPR_NUM_TRACE_ENTRIES - 1) #define IPR_TRACE_SIZE (sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES) char trace_start[8]; #define IPR_TRACE_START_LABEL "trace" diff --git a/drivers/staging/lustre/lustre/obdclass/debug.c b/drivers/staging/lustre/lustre/obdclass/debug.c index 9c934e6d2..c61add46b 100644 --- a/drivers/staging/lustre/lustre/obdclass/debug.c +++ b/drivers/staging/lustre/lustre/obdclass/debug.c @@ -40,7 +40,7 @@ #define DEBUG_SUBSYSTEM D_OTHER -#include <linux/unaligned/access_ok.h> +#include <asm/unaligned.h> #include "../include/obd_support.h" #include "../include/lustre_debug.h" diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index 15baacb12..376e4a0c1 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1486,8 +1486,9 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, } } - if (changed & BSS_CHANGED_ASSOC && priv->op_mode != NL80211_IFTYPE_AP) { - if (conf->assoc) { + if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INFO) && + priv->op_mode != NL80211_IFTYPE_AP) { + if (conf->assoc && conf->beacon_rate) { CARDbUpdateTSF(priv, conf->beacon_rate->hw_value, conf->sync_tsf); diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 1d30b0975..67098a8a7 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -1209,6 +1209,8 @@ err_clk_sec: if (!IS_ERR(data->clk_sec)) clk_unprepare(data->clk_sec); err_sensor: + if (!IS_ERR_OR_NULL(data->regulator)) + regulator_disable(data->regulator); thermal_zone_of_sensor_unregister(&pdev->dev, data->tzd); return ret; diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 74fea4fa4..3ad48e1c0 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -1024,7 +1024,18 @@ static struct platform_driver ci_hdrc_driver = { }, }; -module_platform_driver(ci_hdrc_driver); +static int __init ci_hdrc_platform_register(void) +{ + ci_hdrc_host_driver_init(); + return platform_driver_register(&ci_hdrc_driver); +} +module_init(ci_hdrc_platform_register); + +static void __exit ci_hdrc_platform_unregister(void) +{ + platform_driver_unregister(&ci_hdrc_driver); +} +module_exit(ci_hdrc_platform_unregister); MODULE_ALIAS("platform:ci_hdrc"); MODULE_LICENSE("GPL v2"); diff --git a/drivers/usb/chipidea/host.c b/drivers/usb/chipidea/host.c index 21fe1a314..2f8af40e8 100644 --- a/drivers/usb/chipidea/host.c +++ b/drivers/usb/chipidea/host.c @@ -237,9 +237,12 @@ int ci_hdrc_host_init(struct ci_hdrc *ci) rdrv->name = "host"; ci->roles[CI_ROLE_HOST] = rdrv; + return 0; +} + +void ci_hdrc_host_driver_init(void) +{ ehci_init_driver(&ci_ehci_hc_driver, &ehci_ci_overrides); orig_bus_suspend = ci_ehci_hc_driver.bus_suspend; ci_ehci_hc_driver.bus_suspend = ci_ehci_bus_suspend; - - return 0; } diff --git a/drivers/usb/chipidea/host.h b/drivers/usb/chipidea/host.h index 5707bf379..0f12f131b 100644 --- a/drivers/usb/chipidea/host.h +++ b/drivers/usb/chipidea/host.h @@ -5,6 +5,7 @@ int ci_hdrc_host_init(struct ci_hdrc *ci); void ci_hdrc_host_destroy(struct ci_hdrc *ci); +void ci_hdrc_host_driver_init(void); #else @@ -18,6 +19,11 @@ static inline void ci_hdrc_host_destroy(struct ci_hdrc *ci) } +static void ci_hdrc_host_driver_init(void) +{ + +} + #endif #endif /* __DRIVERS_USB_CHIPIDEA_HOST_H */ diff --git a/drivers/usb/gadget/function/f_uac2.c b/drivers/usb/gadget/function/f_uac2.c index 6d3eb8b00..531861547 100644 --- a/drivers/usb/gadget/function/f_uac2.c +++ b/drivers/usb/gadget/function/f_uac2.c @@ -1162,14 +1162,14 @@ afunc_set_alt(struct usb_function *fn, unsigned intf, unsigned alt) factor = 1000; } else { ep_desc = &hs_epin_desc; - factor = 125; + factor = 8000; } /* pre-compute some values for iso_complete() */ uac2->p_framesize = opts->p_ssize * num_channels(opts->p_chmask); rate = opts->p_srate * uac2->p_framesize; - uac2->p_interval = (1 << (ep_desc->bInterval - 1)) * factor; + uac2->p_interval = factor / (1 << (ep_desc->bInterval - 1)); uac2->p_pktsize = min_t(unsigned int, rate / uac2->p_interval, prm->max_psize); diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index d69c35558..7d69931cf 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -321,6 +321,7 @@ err4: err3: put_device(&udc->dev); + device_del(&gadget->dev); err2: put_device(&gadget->dev); diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 3e442f77a..9a8c936cd 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1792,7 +1792,8 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) int size; int i, j, num_ports; - del_timer_sync(&xhci->cmd_timer); + if (timer_pending(&xhci->cmd_timer)) + del_timer_sync(&xhci->cmd_timer); /* Free the Event Ring Segment Table and the actual Event Ring */ size = sizeof(struct xhci_erst_entry)*(xhci->erst.num_entries); diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index d095677a0..b3a0a2275 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -82,7 +82,7 @@ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg, return 0; /* offset in TRBs */ segment_offset = trb - seg->trbs; - if (segment_offset > TRBS_PER_SEGMENT) + if (segment_offset >= TRBS_PER_SEGMENT) return 0; return seg->dma + (segment_offset * sizeof(*trb)); } diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 19b85ee98..876423b88 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -1099,6 +1099,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */ { USB_DEVICE_INTERFACE_CLASS(SIERRA_VENDOR_ID, 0x68c0, 0xff), .driver_info = (kernel_ulong_t)&sierra_mc73xx_blacklist }, /* MC73xx */ + { USB_DEVICE_INTERFACE_CLASS(SIERRA_VENDOR_ID, 0x9041, 0xff), + .driver_info = (kernel_ulong_t)&sierra_mc73xx_blacklist }, /* MC7305/MC7355 */ { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6003), diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 9c63897b3..d15654572 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -145,7 +145,6 @@ static const struct usb_device_id id_table[] = { {DEVICE_SWI(0x1199, 0x901c)}, /* Sierra Wireless EM7700 */ {DEVICE_SWI(0x1199, 0x901f)}, /* Sierra Wireless EM7355 */ {DEVICE_SWI(0x1199, 0x9040)}, /* Sierra Wireless Modem */ - {DEVICE_SWI(0x1199, 0x9041)}, /* Sierra Wireless MC7305/MC7355 */ {DEVICE_SWI(0x1199, 0x9051)}, /* Netgear AirCard 340U */ {DEVICE_SWI(0x1199, 0x9053)}, /* Sierra Wireless Modem */ {DEVICE_SWI(0x1199, 0x9054)}, /* Sierra Wireless Modem */ @@ -158,6 +157,7 @@ static const struct usb_device_id id_table[] = { {DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */ {DEVICE_SWI(0x413c, 0x81a8)}, /* Dell Wireless 5808 Gobi(TM) 4G LTE Mobile Broadband Card */ {DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ + {DEVICE_SWI(0x413c, 0x81b1)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ /* Huawei devices */ {DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */ diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 46179a082..07d1ecd56 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -289,6 +289,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x68AA, 0xFF, 0xFF, 0xFF), .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist }, + { USB_DEVICE(0x1199, 0x68AB) }, /* Sierra Wireless AR8550 */ /* AT&T Direct IP LTE modems */ { USB_DEVICE_AND_INTERFACE_INFO(0x0F3D, 0x68AA, 0xFF, 0xFF, 0xFF), .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 892748507..4bd23bba8 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -568,12 +568,14 @@ static int gntdev_release(struct inode *inode, struct file *flip) pr_debug("priv %p\n", priv); + mutex_lock(&priv->lock); while (!list_empty(&priv->maps)) { map = list_entry(priv->maps.next, struct grant_map, next); list_del(&map->next); gntdev_put_map(NULL /* already removed */, map); } WARN_ON(!list_empty(&priv->freeable_maps)); + mutex_unlock(&priv->lock); if (use_ptemod) mmu_notifier_unregister(&priv->mn, priv->mm); diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 039f9c8a9..6e13504f7 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -4397,9 +4397,9 @@ laundromat_main(struct work_struct *laundry) queue_delayed_work(laundry_wq, &nn->laundromat_work, t*HZ); } -static inline __be32 nfs4_check_fh(struct svc_fh *fhp, struct nfs4_ol_stateid *stp) +static inline __be32 nfs4_check_fh(struct svc_fh *fhp, struct nfs4_stid *stp) { - if (!fh_match(&fhp->fh_handle, &stp->st_stid.sc_file->fi_fhandle)) + if (!fh_match(&fhp->fh_handle, &stp->sc_file->fi_fhandle)) return nfserr_bad_stateid; return nfs_ok; } @@ -4574,20 +4574,48 @@ nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate, return nfs_ok; } +static struct file * +nfs4_find_file(struct nfs4_stid *s, int flags) +{ + switch (s->sc_type) { + case NFS4_DELEG_STID: + if (WARN_ON_ONCE(!s->sc_file->fi_deleg_file)) + return NULL; + return get_file(s->sc_file->fi_deleg_file); + case NFS4_OPEN_STID: + case NFS4_LOCK_STID: + if (flags & RD_STATE) + return find_readable_file(s->sc_file); + else + return find_writeable_file(s->sc_file); + break; + } + + return NULL; +} + +static __be32 +nfs4_check_olstateid(struct svc_fh *fhp, struct nfs4_ol_stateid *ols, int flags) +{ + __be32 status; + + status = nfsd4_check_openowner_confirmed(ols); + if (status) + return status; + return nfs4_check_openmode(ols, flags); +} + /* -* Checks for stateid operations -*/ + * Checks for stateid operations + */ __be32 nfs4_preprocess_stateid_op(struct net *net, struct nfsd4_compound_state *cstate, stateid_t *stateid, int flags, struct file **filpp) { - struct nfs4_stid *s; - struct nfs4_ol_stateid *stp = NULL; - struct nfs4_delegation *dp = NULL; - struct svc_fh *current_fh = &cstate->current_fh; - struct inode *ino = d_inode(current_fh->fh_dentry); + struct svc_fh *fhp = &cstate->current_fh; + struct inode *ino = d_inode(fhp->fh_dentry); struct nfsd_net *nn = net_generic(net, nfsd_net_id); - struct file *file = NULL; + struct nfs4_stid *s; __be32 status; if (filpp) @@ -4597,60 +4625,39 @@ nfs4_preprocess_stateid_op(struct net *net, struct nfsd4_compound_state *cstate, return nfserr_grace; if (ZERO_STATEID(stateid) || ONE_STATEID(stateid)) - return check_special_stateids(net, current_fh, stateid, flags); + return check_special_stateids(net, fhp, stateid, flags); status = nfsd4_lookup_stateid(cstate, stateid, NFS4_DELEG_STID|NFS4_OPEN_STID|NFS4_LOCK_STID, &s, nn); if (status) return status; - status = check_stateid_generation(stateid, &s->sc_stateid, nfsd4_has_session(cstate)); + status = check_stateid_generation(stateid, &s->sc_stateid, + nfsd4_has_session(cstate)); if (status) goto out; + switch (s->sc_type) { case NFS4_DELEG_STID: - dp = delegstateid(s); - status = nfs4_check_delegmode(dp, flags); - if (status) - goto out; - if (filpp) { - file = dp->dl_stid.sc_file->fi_deleg_file; - if (!file) { - WARN_ON_ONCE(1); - status = nfserr_serverfault; - goto out; - } - get_file(file); - } + status = nfs4_check_delegmode(delegstateid(s), flags); break; case NFS4_OPEN_STID: case NFS4_LOCK_STID: - stp = openlockstateid(s); - status = nfs4_check_fh(current_fh, stp); - if (status) - goto out; - status = nfsd4_check_openowner_confirmed(stp); - if (status) - goto out; - status = nfs4_check_openmode(stp, flags); - if (status) - goto out; - if (filpp) { - struct nfs4_file *fp = stp->st_stid.sc_file; - - if (flags & RD_STATE) - file = find_readable_file(fp); - else - file = find_writeable_file(fp); - } + status = nfs4_check_olstateid(fhp, openlockstateid(s), flags); break; default: status = nfserr_bad_stateid; + break; + } + if (status) goto out; + status = nfs4_check_fh(fhp, s); + + if (!status && filpp) { + *filpp = nfs4_find_file(s, flags); + if (!*filpp) + status = nfserr_serverfault; } - status = nfs_ok; - if (file) - *filpp = file; out: nfs4_put_stid(s); return status; @@ -4754,7 +4761,7 @@ static __be32 nfs4_seqid_op_checks(struct nfsd4_compound_state *cstate, stateid_ status = check_stateid_generation(stateid, &stp->st_stid.sc_stateid, nfsd4_has_session(cstate)); if (status) return status; - return nfs4_check_fh(current_fh, stp); + return nfs4_check_fh(current_fh, &stp->st_stid); } /* diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 158badf94..d4d84451e 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2142,6 +2142,7 @@ nfsd4_encode_aclname(struct xdr_stream *xdr, struct svc_rqst *rqstp, #define WORD0_ABSENT_FS_ATTRS (FATTR4_WORD0_FS_LOCATIONS | FATTR4_WORD0_FSID | \ FATTR4_WORD0_RDATTR_ERROR) #define WORD1_ABSENT_FS_ATTRS FATTR4_WORD1_MOUNTED_ON_FILEID +#define WORD2_ABSENT_FS_ATTRS 0 #ifdef CONFIG_NFSD_V4_SECURITY_LABEL static inline __be32 @@ -2170,7 +2171,7 @@ nfsd4_encode_security_label(struct xdr_stream *xdr, struct svc_rqst *rqstp, { return 0; } #endif -static __be32 fattr_handle_absent_fs(u32 *bmval0, u32 *bmval1, u32 *rdattr_err) +static __be32 fattr_handle_absent_fs(u32 *bmval0, u32 *bmval1, u32 *bmval2, u32 *rdattr_err) { /* As per referral draft: */ if (*bmval0 & ~WORD0_ABSENT_FS_ATTRS || @@ -2183,6 +2184,7 @@ static __be32 fattr_handle_absent_fs(u32 *bmval0, u32 *bmval1, u32 *rdattr_err) } *bmval0 &= WORD0_ABSENT_FS_ATTRS; *bmval1 &= WORD1_ABSENT_FS_ATTRS; + *bmval2 &= WORD2_ABSENT_FS_ATTRS; return 0; } @@ -2246,8 +2248,7 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, BUG_ON(bmval2 & ~nfsd_suppattrs2(minorversion)); if (exp->ex_fslocs.migrated) { - BUG_ON(bmval[2]); - status = fattr_handle_absent_fs(&bmval0, &bmval1, &rdattr_err); + status = fattr_handle_absent_fs(&bmval0, &bmval1, &bmval2, &rdattr_err); if (status) goto out; } @@ -2290,8 +2291,8 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, } #ifdef CONFIG_NFSD_V4_SECURITY_LABEL - if ((bmval[2] & FATTR4_WORD2_SECURITY_LABEL) || - bmval[0] & FATTR4_WORD0_SUPPORTED_ATTRS) { + if ((bmval2 & FATTR4_WORD2_SECURITY_LABEL) || + bmval0 & FATTR4_WORD0_SUPPORTED_ATTRS) { err = security_inode_getsecctx(d_inode(dentry), &context, &contextlen); contextsupport = (err == 0); diff --git a/fs/notify/mark.c b/fs/notify/mark.c index d2c4b682a..39a838ad2 100644 --- a/fs/notify/mark.c +++ b/fs/notify/mark.c @@ -415,16 +415,36 @@ void fsnotify_clear_marks_by_group_flags(struct fsnotify_group *group, unsigned int flags) { struct fsnotify_mark *lmark, *mark; + LIST_HEAD(to_free); + /* + * We have to be really careful here. Anytime we drop mark_mutex, e.g. + * fsnotify_clear_marks_by_inode() can come and free marks. Even in our + * to_free list so we have to use mark_mutex even when accessing that + * list. And freeing mark requires us to drop mark_mutex. So we can + * reliably free only the first mark in the list. That's why we first + * move marks to free to to_free list in one go and then free marks in + * to_free list one by one. + */ mutex_lock_nested(&group->mark_mutex, SINGLE_DEPTH_NESTING); list_for_each_entry_safe(mark, lmark, &group->marks_list, g_list) { - if (mark->flags & flags) { - fsnotify_get_mark(mark); - fsnotify_destroy_mark_locked(mark, group); - fsnotify_put_mark(mark); - } + if (mark->flags & flags) + list_move(&mark->g_list, &to_free); } mutex_unlock(&group->mark_mutex); + + while (1) { + mutex_lock_nested(&group->mark_mutex, SINGLE_DEPTH_NESTING); + if (list_empty(&to_free)) { + mutex_unlock(&group->mark_mutex); + break; + } + mark = list_first_entry(&to_free, struct fsnotify_mark, g_list); + fsnotify_get_mark(mark); + fsnotify_destroy_mark_locked(mark, group); + mutex_unlock(&group->mark_mutex); + fsnotify_put_mark(mark); + } } /* diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index f906a250d..9ea701270 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -686,7 +686,7 @@ static int ocfs2_direct_IO_zero_extend(struct ocfs2_super *osb, if (p_cpos && !(ext_flags & OCFS2_EXT_UNWRITTEN)) { u64 s = i_size_read(inode); - sector_t sector = (p_cpos << (osb->s_clustersize_bits - 9)) + + sector_t sector = ((u64)p_cpos << (osb->s_clustersize_bits - 9)) + (do_div(s, osb->s_clustersize) >> 9); ret = blkdev_issue_zeroout(osb->sb->s_bdev, sector, @@ -911,7 +911,7 @@ static ssize_t ocfs2_direct_IO_write(struct kiocb *iocb, BUG_ON(!p_cpos || (ext_flags & OCFS2_EXT_UNWRITTEN)); ret = blkdev_issue_zeroout(osb->sb->s_bdev, - p_cpos << (osb->s_clustersize_bits - 9), + (u64)p_cpos << (osb->s_clustersize_bits - 9), zero_len_head >> 9, GFP_NOFS, false); if (ret < 0) mlog_errno(ret); diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 8b23aa2f5..23157e40d 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -4025,9 +4025,13 @@ static void ocfs2_downconvert_thread_do_work(struct ocfs2_super *osb) osb->dc_work_sequence = osb->dc_wake_sequence; processed = osb->blocked_lock_count; - while (processed) { - BUG_ON(list_empty(&osb->blocked_lock_list)); - + /* + * blocked lock processing in this loop might call iput which can + * remove items off osb->blocked_lock_list. Downconvert up to + * 'processed' number of locks, but stop short if we had some + * removed in ocfs2_mark_lockres_freeing when downconverting. + */ + while (processed && !list_empty(&osb->blocked_lock_list)) { lockres = list_entry(osb->blocked_lock_list.next, struct ocfs2_lock_res, l_blocked_list); list_del_init(&lockres->l_blocked_list); diff --git a/fs/signalfd.c b/fs/signalfd.c index 7e412ad74..270221fce 100644 --- a/fs/signalfd.c +++ b/fs/signalfd.c @@ -121,8 +121,9 @@ static int signalfd_copyinfo(struct signalfd_siginfo __user *uinfo, * Other callers might not initialize the si_lsb field, * so check explicitly for the right codes here. */ - if (kinfo->si_code == BUS_MCEERR_AR || - kinfo->si_code == BUS_MCEERR_AO) + if (kinfo->si_signo == SIGBUS && + (kinfo->si_code == BUS_MCEERR_AR || + kinfo->si_code == BUS_MCEERR_AO)) err |= __put_user((short) kinfo->si_addr_lsb, &uinfo->ssi_addr_lsb); #endif diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 3d4ea7eb2..12b75f3ba 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -176,17 +176,17 @@ typedef enum { /* Chip may not exist, so silence any errors in scan */ #define NAND_SCAN_SILENT_NODEV 0x00040000 /* - * This option could be defined by controller drivers to protect against - * kmap'ed, vmalloc'ed highmem buffers being passed from upper layers - */ -#define NAND_USE_BOUNCE_BUFFER 0x00080000 -/* * Autodetect nand buswidth with readid/onfi. * This suppose the driver will configure the hardware in 8 bits mode * when calling nand_scan_ident, and update its configuration * before calling nand_scan_tail. */ #define NAND_BUSWIDTH_AUTO 0x00080000 +/* + * This option could be defined by controller drivers to protect against + * kmap'ed, vmalloc'ed highmem buffers being passed from upper layers + */ +#define NAND_USE_BOUNCE_BUFFER 0x00100000 /* Options set by nand scan */ /* Nand scan has allocated controller struct */ diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index efe344357..413417f37 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -319,6 +319,7 @@ #define PCI_MSIX_PBA 8 /* Pending Bit Array offset */ #define PCI_MSIX_PBA_BIR 0x00000007 /* BAR index */ #define PCI_MSIX_PBA_OFFSET 0xfffffff8 /* Offset into specified BAR */ +#define PCI_MSIX_FLAGS_BIRMASK PCI_MSIX_PBA_BIR /* deprecated */ #define PCI_CAP_MSIX_SIZEOF 12 /* size of MSIX registers */ /* MSI-X Table entry format */ diff --git a/ipc/kdbus/pool.c b/ipc/kdbus/pool.c index c65043e8c..63ccd5571 100644 --- a/ipc/kdbus/pool.c +++ b/ipc/kdbus/pool.c @@ -482,7 +482,7 @@ struct kdbus_pool *kdbus_pool_new(const char *name, size_t size) } } - f = shmem_file_setup(n ?: KBUILD_MODNAME "-conn", size, 0, 0); + f = shmem_file_setup(n ?: KBUILD_MODNAME "-conn", size, 0); kfree(n); if (IS_ERR(f)) { diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 3aaea7ffd..c3fc5c2b6 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -143,7 +143,6 @@ static int msg_insert(struct msg_msg *msg, struct mqueue_inode_info *info) if (!leaf) return -ENOMEM; INIT_LIST_HEAD(&leaf->msg_list); - info->qsize += sizeof(*leaf); } leaf->priority = msg->m_type; rb_link_node(&leaf->rb_node, parent, p); @@ -188,7 +187,6 @@ try_again: "lazy leaf delete!\n"); rb_erase(&leaf->rb_node, &info->msg_tree); if (info->node_cache) { - info->qsize -= sizeof(*leaf); kfree(leaf); } else { info->node_cache = leaf; @@ -201,7 +199,6 @@ try_again: if (list_empty(&leaf->msg_list)) { rb_erase(&leaf->rb_node, &info->msg_tree); if (info->node_cache) { - info->qsize -= sizeof(*leaf); kfree(leaf); } else { info->node_cache = leaf; @@ -1026,7 +1023,6 @@ SYSCALL_DEFINE5(mq_timedsend, mqd_t, mqdes, const char __user *, u_msg_ptr, /* Save our speculative allocation into the cache */ INIT_LIST_HEAD(&new_leaf->msg_list); info->node_cache = new_leaf; - info->qsize += sizeof(*new_leaf); new_leaf = NULL; } else { kfree(new_leaf); @@ -1133,7 +1129,6 @@ SYSCALL_DEFINE5(mq_timedreceive, mqd_t, mqdes, char __user *, u_msg_ptr, /* Save our speculative allocation into the cache */ INIT_LIST_HEAD(&new_leaf->msg_list); info->node_cache = new_leaf; - info->qsize += sizeof(*new_leaf); } else { kfree(new_leaf); } diff --git a/kernel/signal.c b/kernel/signal.c index d51c5ddd8..0206be728 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2753,12 +2753,15 @@ int copy_siginfo_to_user(siginfo_t __user *to, const siginfo_t *from) * Other callers might not initialize the si_lsb field, * so check explicitly for the right codes here. */ - if (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO) + if (from->si_signo == SIGBUS && + (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO)) err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb); #endif #ifdef SEGV_BNDERR - err |= __put_user(from->si_lower, &to->si_lower); - err |= __put_user(from->si_upper, &to->si_upper); + if (from->si_signo == SIGSEGV && from->si_code == SEGV_BNDERR) { + err |= __put_user(from->si_lower, &to->si_lower); + err |= __put_user(from->si_upper, &to->si_upper); + } #endif break; case __SI_CHLD: @@ -3022,7 +3025,7 @@ COMPAT_SYSCALL_DEFINE3(rt_sigqueueinfo, int, sig, struct compat_siginfo __user *, uinfo) { - siginfo_t info; + siginfo_t info = {}; int ret = copy_siginfo_from_user32(&info, uinfo); if (unlikely(ret)) return ret; @@ -3066,7 +3069,7 @@ COMPAT_SYSCALL_DEFINE4(rt_tgsigqueueinfo, int, sig, struct compat_siginfo __user *, uinfo) { - siginfo_t info; + siginfo_t info = {}; if (copy_siginfo_from_user32(&info, uinfo)) return -EFAULT; diff --git a/mm/vmscan.c b/mm/vmscan.c index dd544baec..4dbac2008 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -937,21 +937,17 @@ static unsigned long shrink_page_list(struct list_head *page_list, * * 2) Global reclaim encounters a page, memcg encounters a * page that is not marked for immediate reclaim or - * the caller does not have __GFP_IO. In this case mark + * the caller does not have __GFP_FS (or __GFP_IO if it's + * simply going to swap, not to fs). In this case mark * the page for immediate reclaim and continue scanning. * - * __GFP_IO is checked because a loop driver thread might + * Require may_enter_fs because we would wait on fs, which + * may not have submitted IO yet. And the loop driver might * enter reclaim, and deadlock if it waits on a page for * which it is needed to do the write (loop masks off * __GFP_IO|__GFP_FS for this reason); but more thought * would probably show more reasons. * - * Don't require __GFP_FS, since we're not going into the - * FS, just waiting on its writeback completion. Worryingly, - * ext4 gfs2 and xfs allocate pages with - * grab_cache_page_write_begin(,,AOP_FLAG_NOFS), so testing - * may_enter_fs here is liable to OOM on them. - * * 3) memcg encounters a page that is not already marked * PageReclaim. memcg does not have any dirty pages * throttling so we could easily OOM just because too many @@ -968,7 +964,7 @@ static unsigned long shrink_page_list(struct list_head *page_list, /* Case 2 above */ } else if (global_reclaim(sc) || - !PageReclaim(page) || !(sc->gfp_mask & __GFP_IO)) { + !PageReclaim(page) || !may_enter_fs) { /* * This is slightly racy - end_page_writeback() * might have just cleared PageReclaim, then diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 1ab3dc9c8..7b815bcc8 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -2295,6 +2295,10 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level) return 1; chan = conn->smp; + if (!chan) { + BT_ERR("SMP security requested but not available"); + return 1; + } if (!hci_dev_test_flag(hcon->hdev, HCI_LE_ENABLED)) return 1; diff --git a/sound/firewire/amdtp.c b/sound/firewire/amdtp.c index e061355f5..bf20593d3 100644 --- a/sound/firewire/amdtp.c +++ b/sound/firewire/amdtp.c @@ -730,8 +730,9 @@ static void handle_in_packet(struct amdtp_stream *s, s->data_block_counter != UINT_MAX) data_block_counter = s->data_block_counter; - if (((s->flags & CIP_SKIP_DBC_ZERO_CHECK) && data_block_counter == 0) || - (s->data_block_counter == UINT_MAX)) { + if (((s->flags & CIP_SKIP_DBC_ZERO_CHECK) && + data_block_counter == s->tx_first_dbc) || + s->data_block_counter == UINT_MAX) { lost = false; } else if (!(s->flags & CIP_DBC_IS_END_EVENT)) { lost = data_block_counter != s->data_block_counter; diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h index 8a03a91e7..25c905537 100644 --- a/sound/firewire/amdtp.h +++ b/sound/firewire/amdtp.h @@ -153,6 +153,8 @@ struct amdtp_stream { /* quirk: fixed interval of dbc between previos/current packets. */ unsigned int tx_dbc_interval; + /* quirk: indicate the value of dbc field in a first packet. */ + unsigned int tx_first_dbc; bool callbacked; wait_queue_head_t callback_wait; diff --git a/sound/firewire/fireworks/fireworks.c b/sound/firewire/fireworks/fireworks.c index 2682e7e3e..c94a432f7 100644 --- a/sound/firewire/fireworks/fireworks.c +++ b/sound/firewire/fireworks/fireworks.c @@ -248,8 +248,16 @@ efw_probe(struct fw_unit *unit, err = get_hardware_info(efw); if (err < 0) goto error; + /* AudioFire8 (since 2009) and AudioFirePre8 */ if (entry->model_id == MODEL_ECHO_AUDIOFIRE_9) efw->is_af9 = true; + /* These models uses the same firmware. */ + if (entry->model_id == MODEL_ECHO_AUDIOFIRE_2 || + entry->model_id == MODEL_ECHO_AUDIOFIRE_4 || + entry->model_id == MODEL_ECHO_AUDIOFIRE_9 || + entry->model_id == MODEL_GIBSON_RIP || + entry->model_id == MODEL_GIBSON_GOLDTOP) + efw->is_fireworks3 = true; snd_efw_proc_init(efw); diff --git a/sound/firewire/fireworks/fireworks.h b/sound/firewire/fireworks/fireworks.h index 4f0201a95..084d414b2 100644 --- a/sound/firewire/fireworks/fireworks.h +++ b/sound/firewire/fireworks/fireworks.h @@ -71,6 +71,7 @@ struct snd_efw { /* for quirks */ bool is_af9; + bool is_fireworks3; u32 firmware_version; unsigned int midi_in_ports; diff --git a/sound/firewire/fireworks/fireworks_stream.c b/sound/firewire/fireworks/fireworks_stream.c index c55db1bdd..7e353f1f7 100644 --- a/sound/firewire/fireworks/fireworks_stream.c +++ b/sound/firewire/fireworks/fireworks_stream.c @@ -172,6 +172,15 @@ int snd_efw_stream_init_duplex(struct snd_efw *efw) efw->tx_stream.flags |= CIP_DBC_IS_END_EVENT; /* Fireworks reset dbc at bus reset. */ efw->tx_stream.flags |= CIP_SKIP_DBC_ZERO_CHECK; + /* + * But Recent firmwares starts packets with non-zero dbc. + * Driver version 5.7.6 installs firmware version 5.7.3. + */ + if (efw->is_fireworks3 && + (efw->firmware_version == 0x5070000 || + efw->firmware_version == 0x5070300 || + efw->firmware_version == 0x5080000)) + efw->tx_stream.tx_first_dbc = 0x02; /* AudioFire9 always reports wrong dbs. */ if (efw->is_af9) efw->tx_stream.flags |= CIP_WRONG_DBS; diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index 50e9dd675..3a24f7739 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -1001,9 +1001,7 @@ static void cs4210_spdif_automute(struct hda_codec *codec, spec->spdif_present = spdif_present; /* SPDIF TX on/off */ - if (spdif_present) - snd_hda_set_pin_ctl(codec, spdif_pin, - spdif_present ? PIN_OUT : 0); + snd_hda_set_pin_ctl(codec, spdif_pin, spdif_present ? PIN_OUT : 0); cs_automute(codec); } diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 590bcfb0e..1e99f075a 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -5118,6 +5118,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1028, 0x06c7, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x06d9, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x06da, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1028, 0x06de, "Dell", ALC292_FIXUP_DISABLE_AAMIX), SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE), SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2), diff --git a/sound/soc/codecs/pcm1681.c b/sound/soc/codecs/pcm1681.c index 477e13d30..e7ba55797 100644 --- a/sound/soc/codecs/pcm1681.c +++ b/sound/soc/codecs/pcm1681.c @@ -102,7 +102,7 @@ static int pcm1681_set_deemph(struct snd_soc_codec *codec) if (val != -1) { regmap_update_bits(priv->regmap, PCM1681_DEEMPH_CONTROL, - PCM1681_DEEMPH_RATE_MASK, val); + PCM1681_DEEMPH_RATE_MASK, val << 3); enable = 1; } else enable = 0; diff --git a/sound/soc/codecs/ssm4567.c b/sound/soc/codecs/ssm4567.c index a98448510..f7549cc7e 100644 --- a/sound/soc/codecs/ssm4567.c +++ b/sound/soc/codecs/ssm4567.c @@ -315,7 +315,13 @@ static int ssm4567_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt) if (invert_fclk) ctrl1 |= SSM4567_SAI_CTRL_1_FSYNC; - return regmap_write(ssm4567->regmap, SSM4567_REG_SAI_CTRL_1, ctrl1); + return regmap_update_bits(ssm4567->regmap, SSM4567_REG_SAI_CTRL_1, + SSM4567_SAI_CTRL_1_BCLK | + SSM4567_SAI_CTRL_1_FSYNC | + SSM4567_SAI_CTRL_1_LJ | + SSM4567_SAI_CTRL_1_TDM | + SSM4567_SAI_CTRL_1_PDM, + ctrl1); } static int ssm4567_set_power(struct ssm4567 *ssm4567, bool enable) diff --git a/sound/soc/intel/atom/sst/sst_drv_interface.c b/sound/soc/intel/atom/sst/sst_drv_interface.c index 7b50a9d17..edc186908 100644 --- a/sound/soc/intel/atom/sst/sst_drv_interface.c +++ b/sound/soc/intel/atom/sst/sst_drv_interface.c @@ -42,6 +42,11 @@ #define MIN_FRAGMENT_SIZE (50 * 1024) #define MAX_FRAGMENT_SIZE (1024 * 1024) #define SST_GET_BYTES_PER_SAMPLE(pcm_wd_sz) (((pcm_wd_sz + 15) >> 4) << 1) +#ifdef CONFIG_PM +#define GET_USAGE_COUNT(dev) (atomic_read(&dev->power.usage_count)) +#else +#define GET_USAGE_COUNT(dev) 1 +#endif int free_stream_context(struct intel_sst_drv *ctx, unsigned int str_id) { @@ -141,15 +146,9 @@ static int sst_power_control(struct device *dev, bool state) int ret = 0; int usage_count = 0; -#ifdef CONFIG_PM - usage_count = atomic_read(&dev->power.usage_count); -#else - usage_count = 1; -#endif - if (state == true) { ret = pm_runtime_get_sync(dev); - + usage_count = GET_USAGE_COUNT(dev); dev_dbg(ctx->dev, "Enable: pm usage count: %d\n", usage_count); if (ret < 0) { dev_err(ctx->dev, "Runtime get failed with err: %d\n", ret); @@ -164,6 +163,7 @@ static int sst_power_control(struct device *dev, bool state) } } } else { + usage_count = GET_USAGE_COUNT(dev); dev_dbg(ctx->dev, "Disable: pm usage count: %d\n", usage_count); return sst_pm_runtime_put(ctx); } diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 158204d08..b6c12dccb 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -1811,6 +1811,7 @@ static ssize_t dapm_widget_power_read_file(struct file *file, size_t count, loff_t *ppos) { struct snd_soc_dapm_widget *w = file->private_data; + struct snd_soc_card *card = w->dapm->card; char *buf; int in, out; ssize_t ret; @@ -1820,6 +1821,8 @@ static ssize_t dapm_widget_power_read_file(struct file *file, if (!buf) return -ENOMEM; + mutex_lock(&card->dapm_mutex); + /* Supply widgets are not handled by is_connected_{input,output}_ep() */ if (w->is_supply) { in = 0; @@ -1866,6 +1869,8 @@ static ssize_t dapm_widget_power_read_file(struct file *file, p->sink->name); } + mutex_unlock(&card->dapm_mutex); + ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret); kfree(buf); @@ -2140,11 +2145,15 @@ static ssize_t dapm_widget_show(struct device *dev, struct snd_soc_pcm_runtime *rtd = dev_get_drvdata(dev); int i, count = 0; + mutex_lock(&rtd->card->dapm_mutex); + for (i = 0; i < rtd->num_codecs; i++) { struct snd_soc_codec *codec = rtd->codec_dais[i]->codec; count += dapm_widget_show_codec(codec, buf + count); } + mutex_unlock(&rtd->card->dapm_mutex); + return count; } @@ -3100,16 +3109,10 @@ snd_soc_dapm_new_control(struct snd_soc_dapm_context *dapm, } prefix = soc_dapm_prefix(dapm); - if (prefix) { + if (prefix) w->name = kasprintf(GFP_KERNEL, "%s %s", prefix, widget->name); - if (widget->sname) - w->sname = kasprintf(GFP_KERNEL, "%s %s", prefix, - widget->sname); - } else { + else w->name = kasprintf(GFP_KERNEL, "%s", widget->name); - if (widget->sname) - w->sname = kasprintf(GFP_KERNEL, "%s", widget->sname); - } if (w->name == NULL) { kfree(w); return NULL; @@ -3557,7 +3560,7 @@ int snd_soc_dapm_link_dai_widgets(struct snd_soc_card *card) break; } - if (!w->sname || !strstr(w->sname, dai_w->name)) + if (!w->sname || !strstr(w->sname, dai_w->sname)) continue; if (dai_w->id == snd_soc_dapm_dai_in) { |