diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801 index 81c0c59..e1bb5b2 100644 --- a/Documentation/i2c/busses/i2c-i801 +++ b/Documentation/i2c/busses/i2c-i801 @@ -15,7 +15,8 @@ Supported adapters: * Intel 82801I (ICH9) * Intel EP80579 (Tolapai) * Intel 82801JI (ICH10) - * Intel PCH + * Intel 3400/5 Series (PCH) + * Intel Cougar Point (PCH) Datasheets: Publicly available at the Intel website Authors: diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 6b84a04..cbeb6e0 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -172,7 +172,7 @@ not_angel: adr r0, LC0 ARM( ldmia r0, {r1, r2, r3, r4, r5, r6, r11, ip, sp}) THUMB( ldmia r0, {r1, r2, r3, r4, r5, r6, r11, ip} ) - THUMB( ldr sp, [r0, #28] ) + THUMB( ldr sp, [r0, #32] ) subs r0, r0, r1 @ calculate the delta offset @ if delta is zero, we are diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 5fdeec5..d76279a 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -1794,7 +1794,8 @@ static int kvm_ia64_sync_dirty_log(struct kvm *kvm, { struct kvm_memory_slot *memslot; int r, i; - long n, base; + long base; + unsigned long n; unsigned long *dirty_bitmap = (unsigned long *)(kvm->arch.vm_base + offsetof(struct kvm_vm_data, kvm_mem_dirty_log)); @@ -1807,7 +1808,7 @@ static int kvm_ia64_sync_dirty_log(struct kvm *kvm, if (!memslot->dirty_bitmap) goto out; - n = ALIGN(memslot->npages, BITS_PER_LONG) / 8; + n = kvm_dirty_bitmap_bytes(memslot); base = memslot->base_gfn / BITS_PER_LONG; for (i = 0; i < n/sizeof(long); ++i) { @@ -1823,7 +1824,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log) { int r; - int n; + unsigned long n; struct kvm_memory_slot *memslot; int is_dirty = 0; @@ -1841,7 +1842,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, if (is_dirty) { kvm_flush_remote_tlbs(kvm); memslot = &kvm->memslots[log->slot]; - n = ALIGN(memslot->npages, BITS_PER_LONG) / 8; + n = kvm_dirty_bitmap_bytes(memslot); memset(memslot->dirty_bitmap, 0, n); } r = 0; diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index 3e294bd..e6dc595 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -848,7 +848,8 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_vcpu *vcpu; ulong ga, ga_end; int is_dirty = 0; - int r, n; + int r; + unsigned long n; down_write(&kvm->slots_lock); @@ -866,7 +867,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, kvm_for_each_vcpu(n, vcpu, kvm) kvmppc_mmu_pte_pflush(vcpu, ga, ga_end); - n = ALIGN(memslot->npages, BITS_PER_LONG) / 8; + n = kvm_dirty_bitmap_bytes(memslot); memset(memslot->dirty_bitmap, 0, n); } diff --git a/arch/powerpc/platforms/pseries/offline_states.h b/arch/powerpc/platforms/pseries/offline_states.h index 22574e0..202d869 100644 --- a/arch/powerpc/platforms/pseries/offline_states.h +++ b/arch/powerpc/platforms/pseries/offline_states.h @@ -9,10 +9,30 @@ enum cpu_state_vals { CPU_MAX_OFFLINE_STATES }; +#ifdef CONFIG_HOTPLUG_CPU extern enum cpu_state_vals get_cpu_current_state(int cpu); extern void set_cpu_current_state(int cpu, enum cpu_state_vals state); -extern enum cpu_state_vals get_preferred_offline_state(int cpu); extern void set_preferred_offline_state(int cpu, enum cpu_state_vals state); extern void set_default_offline_state(int cpu); +#else +static inline enum cpu_state_vals get_cpu_current_state(int cpu) +{ + return CPU_STATE_ONLINE; +} + +static inline void set_cpu_current_state(int cpu, enum cpu_state_vals state) +{ +} + +static inline void set_preferred_offline_state(int cpu, enum cpu_state_vals state) +{ +} + +static inline void set_default_offline_state(int cpu) +{ +} +#endif + +extern enum cpu_state_vals get_preferred_offline_state(int cpu); extern int start_secondary(void); #endif diff --git a/arch/s390/mm/vmem.c b/arch/s390/mm/vmem.c index 300ab01..5f91a38 100644 --- a/arch/s390/mm/vmem.c +++ b/arch/s390/mm/vmem.c @@ -70,12 +70,8 @@ static pte_t __ref *vmem_pte_alloc(void) pte = alloc_bootmem(PTRS_PER_PTE * sizeof(pte_t)); if (!pte) return NULL; - if (MACHINE_HAS_HPAGE) - clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY | _PAGE_CO, - PTRS_PER_PTE * sizeof(pte_t)); - else - clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY, - PTRS_PER_PTE * sizeof(pte_t)); + clear_table((unsigned long *) pte, _PAGE_TYPE_EMPTY, + PTRS_PER_PTE * sizeof(pte_t)); return pte; } @@ -116,8 +112,7 @@ static int vmem_add_mem(unsigned long start, unsigned long size, int ro) if (MACHINE_HAS_HPAGE && !(address & ~HPAGE_MASK) && (address + HPAGE_SIZE <= start + size) && (address >= HPAGE_SIZE)) { - pte_val(pte) |= _SEGMENT_ENTRY_LARGE | - _SEGMENT_ENTRY_CO; + pte_val(pte) |= _SEGMENT_ENTRY_LARGE; pmd_val(*pm_dir) = pte_val(pte); address += HPAGE_SIZE - PAGE_SIZE; continue; diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h index ac04255..ce830fa 100644 --- a/arch/sh/include/asm/elf.h +++ b/arch/sh/include/asm/elf.h @@ -211,7 +211,9 @@ extern void __kernel_vsyscall; #define VSYSCALL_AUX_ENT \ if (vdso_enabled) \ - NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); + NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); \ + else \ + NEW_AUX_ENT(AT_IGNORE, 0); #else #define VSYSCALL_AUX_ENT #endif /* CONFIG_VSYSCALL */ @@ -219,7 +221,7 @@ extern void __kernel_vsyscall; #ifdef CONFIG_SH_FPU #define FPU_AUX_ENT NEW_AUX_ENT(AT_FPUCW, FPSCR_INIT) #else -#define FPU_AUX_ENT +#define FPU_AUX_ENT NEW_AUX_ENT(AT_IGNORE, 0) #endif extern int l1i_cache_shape, l1d_cache_shape, l2_cache_shape; diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c index 983e079..1d19c19 100644 --- a/arch/sh/kernel/smp.c +++ b/arch/sh/kernel/smp.c @@ -69,6 +69,7 @@ asmlinkage void __cpuinit start_secondary(void) unsigned int cpu; struct mm_struct *mm = &init_mm; + enable_mmu(); atomic_inc(&mm->mm_count); atomic_inc(&mm->mm_users); current->active_mm = mm; diff --git a/arch/sparc/kernel/ptrace_32.c b/arch/sparc/kernel/ptrace_32.c index 7e3dfd9..e608f39 100644 --- a/arch/sparc/kernel/ptrace_32.c +++ b/arch/sparc/kernel/ptrace_32.c @@ -65,6 +65,7 @@ static int genregs32_get(struct task_struct *target, *k++ = regs->u_regs[pos++]; reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; for (; count > 0 && pos < 32; count--) { if (get_user(*k++, ®_window[pos++])) return -EFAULT; @@ -76,6 +77,7 @@ static int genregs32_get(struct task_struct *target, } reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; for (; count > 0 && pos < 32; count--) { if (get_user(reg, ®_window[pos++]) || put_user(reg, u++)) @@ -141,6 +143,7 @@ static int genregs32_set(struct task_struct *target, regs->u_regs[pos++] = *k++; reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; for (; count > 0 && pos < 32; count--) { if (put_user(*k++, ®_window[pos++])) return -EFAULT; @@ -153,6 +156,7 @@ static int genregs32_set(struct task_struct *target, } reg_window = (unsigned long __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; for (; count > 0 && pos < 32; count--) { if (get_user(reg, u++) || put_user(reg, ®_window[pos++])) diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c index 2f6524d..aa90da0 100644 --- a/arch/sparc/kernel/ptrace_64.c +++ b/arch/sparc/kernel/ptrace_64.c @@ -492,6 +492,7 @@ static int genregs32_get(struct task_struct *target, *k++ = regs->u_regs[pos++]; reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; if (target == current) { for (; count > 0 && pos < 32; count--) { if (get_user(*k++, ®_window[pos++])) @@ -516,6 +517,7 @@ static int genregs32_get(struct task_struct *target, } reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; if (target == current) { for (; count > 0 && pos < 32; count--) { if (get_user(reg, ®_window[pos++]) || @@ -599,6 +601,7 @@ static int genregs32_set(struct task_struct *target, regs->u_regs[pos++] = *k++; reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; if (target == current) { for (; count > 0 && pos < 32; count--) { if (put_user(*k++, ®_window[pos++])) @@ -625,6 +628,7 @@ static int genregs32_set(struct task_struct *target, } reg_window = (compat_ulong_t __user *) regs->u_regs[UREG_I6]; + reg_window -= 16; if (target == current) { for (; count > 0 && pos < 32; count--) { if (get_user(reg, u++) || diff --git a/arch/um/sys-x86_64/Makefile b/arch/um/sys-x86_64/Makefile index 2201e9c..c1ea9eb 100644 --- a/arch/um/sys-x86_64/Makefile +++ b/arch/um/sys-x86_64/Makefile @@ -8,7 +8,8 @@ obj-y = bug.o bugs.o delay.o fault.o ldt.o mem.o ptrace.o ptrace_user.o \ setjmp.o signal.o stub.o stub_segv.o syscalls.o syscall_table.o \ sysrq.o ksyms.o tls.o -subarch-obj-y = lib/csum-partial_64.o lib/memcpy_64.o lib/thunk_64.o +subarch-obj-y = lib/csum-partial_64.o lib/memcpy_64.o lib/thunk_64.o \ + lib/rwsem_64.o subarch-obj-$(CONFIG_MODULES) += kernel/module.o ldt-y = ../sys-i386/ldt.o diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index f20ddf8..a198293 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -319,7 +319,7 @@ config X86_L1_CACHE_SHIFT config X86_XADD def_bool y - depends on X86_32 && !M386 + depends on X86_64 || !M386 config X86_PPRO_FENCE bool "PentiumPro memory ordering errata workaround" diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h index ca7517d..606ede1 100644 --- a/arch/x86/include/asm/rwsem.h +++ b/arch/x86/include/asm/rwsem.h @@ -41,6 +41,7 @@ #include #include #include +#include struct rwsem_waiter; @@ -55,17 +56,28 @@ extern asmregparm struct rw_semaphore * /* * the semaphore definition + * + * The bias values and the counter type limits the number of + * potential readers/writers to 32767 for 32 bits and 2147483647 + * for 64 bits. */ -#define RWSEM_UNLOCKED_VALUE 0x00000000 -#define RWSEM_ACTIVE_BIAS 0x00000001 -#define RWSEM_ACTIVE_MASK 0x0000ffff -#define RWSEM_WAITING_BIAS (-0x00010000) +#ifdef CONFIG_X86_64 +# define RWSEM_ACTIVE_MASK 0xffffffffL +#else +# define RWSEM_ACTIVE_MASK 0x0000ffffL +#endif + +#define RWSEM_UNLOCKED_VALUE 0x00000000L +#define RWSEM_ACTIVE_BIAS 0x00000001L +#define RWSEM_WAITING_BIAS (-RWSEM_ACTIVE_MASK-1) #define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS #define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) +typedef signed long rwsem_count_t; + struct rw_semaphore { - signed long count; + rwsem_count_t count; spinlock_t wait_lock; struct list_head wait_list; #ifdef CONFIG_DEBUG_LOCK_ALLOC @@ -105,7 +117,7 @@ do { \ static inline void __down_read(struct rw_semaphore *sem) { asm volatile("# beginning down_read\n\t" - LOCK_PREFIX " incl (%%eax)\n\t" + LOCK_PREFIX _ASM_INC "(%1)\n\t" /* adds 0x00000001, returns the old value */ " jns 1f\n" " call call_rwsem_down_read_failed\n" @@ -121,14 +133,14 @@ static inline void __down_read(struct rw_semaphore *sem) */ static inline int __down_read_trylock(struct rw_semaphore *sem) { - __s32 result, tmp; + rwsem_count_t result, tmp; asm volatile("# beginning __down_read_trylock\n\t" - " movl %0,%1\n\t" + " mov %0,%1\n\t" "1:\n\t" - " movl %1,%2\n\t" - " addl %3,%2\n\t" + " mov %1,%2\n\t" + " add %3,%2\n\t" " jle 2f\n\t" - LOCK_PREFIX " cmpxchgl %2,%0\n\t" + LOCK_PREFIX " cmpxchg %2,%0\n\t" " jnz 1b\n\t" "2:\n\t" "# ending __down_read_trylock\n\t" @@ -143,13 +155,13 @@ static inline int __down_read_trylock(struct rw_semaphore *sem) */ static inline void __down_write_nested(struct rw_semaphore *sem, int subclass) { - int tmp; + rwsem_count_t tmp; tmp = RWSEM_ACTIVE_WRITE_BIAS; asm volatile("# beginning down_write\n\t" - LOCK_PREFIX " xadd %%edx,(%%eax)\n\t" + LOCK_PREFIX " xadd %1,(%2)\n\t" /* subtract 0x0000ffff, returns the old value */ - " testl %%edx,%%edx\n\t" + " test %1,%1\n\t" /* was the count 0 before? */ " jz 1f\n" " call call_rwsem_down_write_failed\n" @@ -170,9 +182,9 @@ static inline void __down_write(struct rw_semaphore *sem) */ static inline int __down_write_trylock(struct rw_semaphore *sem) { - signed long ret = cmpxchg(&sem->count, - RWSEM_UNLOCKED_VALUE, - RWSEM_ACTIVE_WRITE_BIAS); + rwsem_count_t ret = cmpxchg(&sem->count, + RWSEM_UNLOCKED_VALUE, + RWSEM_ACTIVE_WRITE_BIAS); if (ret == RWSEM_UNLOCKED_VALUE) return 1; return 0; @@ -183,9 +195,9 @@ static inline int __down_write_trylock(struct rw_semaphore *sem) */ static inline void __up_read(struct rw_semaphore *sem) { - __s32 tmp = -RWSEM_ACTIVE_READ_BIAS; + rwsem_count_t tmp = -RWSEM_ACTIVE_READ_BIAS; asm volatile("# beginning __up_read\n\t" - LOCK_PREFIX " xadd %%edx,(%%eax)\n\t" + LOCK_PREFIX " xadd %1,(%2)\n\t" /* subtracts 1, returns the old value */ " jns 1f\n\t" " call call_rwsem_wake\n" @@ -201,18 +213,18 @@ static inline void __up_read(struct rw_semaphore *sem) */ static inline void __up_write(struct rw_semaphore *sem) { + rwsem_count_t tmp; asm volatile("# beginning __up_write\n\t" - " movl %2,%%edx\n\t" - LOCK_PREFIX " xaddl %%edx,(%%eax)\n\t" + LOCK_PREFIX " xadd %1,(%2)\n\t" /* tries to transition 0xffff0001 -> 0x00000000 */ " jz 1f\n" " call call_rwsem_wake\n" "1:\n\t" "# ending __up_write\n" - : "+m" (sem->count) - : "a" (sem), "i" (-RWSEM_ACTIVE_WRITE_BIAS) - : "memory", "cc", "edx"); + : "+m" (sem->count), "=d" (tmp) + : "a" (sem), "1" (-RWSEM_ACTIVE_WRITE_BIAS) + : "memory", "cc"); } /* @@ -221,33 +233,38 @@ static inline void __up_write(struct rw_semaphore *sem) static inline void __downgrade_write(struct rw_semaphore *sem) { asm volatile("# beginning __downgrade_write\n\t" - LOCK_PREFIX " addl %2,(%%eax)\n\t" - /* transitions 0xZZZZ0001 -> 0xYYYY0001 */ + LOCK_PREFIX _ASM_ADD "%2,(%1)\n\t" + /* + * transitions 0xZZZZ0001 -> 0xYYYY0001 (i386) + * 0xZZZZZZZZ00000001 -> 0xYYYYYYYY00000001 (x86_64) + */ " jns 1f\n\t" " call call_rwsem_downgrade_wake\n" "1:\n\t" "# ending __downgrade_write\n" : "+m" (sem->count) - : "a" (sem), "i" (-RWSEM_WAITING_BIAS) + : "a" (sem), "er" (-RWSEM_WAITING_BIAS) : "memory", "cc"); } /* * implement atomic add functionality */ -static inline void rwsem_atomic_add(int delta, struct rw_semaphore *sem) +static inline void rwsem_atomic_add(rwsem_count_t delta, + struct rw_semaphore *sem) { - asm volatile(LOCK_PREFIX "addl %1,%0" + asm volatile(LOCK_PREFIX _ASM_ADD "%1,%0" : "+m" (sem->count) - : "ir" (delta)); + : "er" (delta)); } /* * implement exchange and add functionality */ -static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem) +static inline rwsem_count_t rwsem_atomic_update(rwsem_count_t delta, + struct rw_semaphore *sem) { - int tmp = delta; + rwsem_count_t tmp = delta; asm volatile(LOCK_PREFIX "xadd %0,%1" : "+r" (tmp), "+m" (sem->count) diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h index 1e79678..4cfc908 100644 --- a/arch/x86/include/asm/smp.h +++ b/arch/x86/include/asm/smp.h @@ -135,6 +135,8 @@ int native_cpu_disable(void); void native_cpu_die(unsigned int cpu); void native_play_dead(void); void play_dead_common(void); +void wbinvd_on_cpu(int cpu); +int wbinvd_on_all_cpus(void); void native_send_call_func_ipi(const struct cpumask *mask); void native_send_call_func_single_ipi(int cpu); @@ -147,6 +149,13 @@ static inline int num_booting_cpus(void) { return cpumask_weight(cpu_callout_mask); } +#else /* !CONFIG_SMP */ +#define wbinvd_on_cpu(cpu) wbinvd() +static inline int wbinvd_on_all_cpus(void) +{ + wbinvd(); + return 0; +} #endif /* CONFIG_SMP */ extern unsigned disabled_cpus __cpuinitdata; diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c index adb0ba0..2e77516 100644 --- a/arch/x86/kernel/amd_iommu.c +++ b/arch/x86/kernel/amd_iommu.c @@ -2298,7 +2298,7 @@ static void cleanup_domain(struct protection_domain *domain) list_for_each_entry_safe(dev_data, next, &domain->dev_list, list) { struct device *dev = dev_data->dev; - do_detach(dev); + __detach_device(dev); atomic_set(&dev_data->bind, 0); } @@ -2379,9 +2379,7 @@ static void amd_iommu_domain_destroy(struct iommu_domain *dom) free_pagetable(domain); - domain_id_free(domain->id); - - kfree(domain); + protection_domain_free(domain); dom->priv = NULL; } diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c index 9dc91b4..883d619 100644 --- a/arch/x86/kernel/amd_iommu_init.c +++ b/arch/x86/kernel/amd_iommu_init.c @@ -1288,6 +1288,8 @@ static int __init amd_iommu_init(void) if (ret) goto free; + enable_iommus(); + if (iommu_pass_through) ret = amd_iommu_init_passthrough(); else @@ -1300,8 +1302,6 @@ static int __init amd_iommu_init(void) amd_iommu_init_notifier(); - enable_iommus(); - if (iommu_pass_through) goto out; @@ -1315,6 +1315,7 @@ out: return ret; free: + disable_iommus(); amd_iommu_uninit_devices(); diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c index f147a95..19f2c70 100644 --- a/arch/x86/kernel/aperture_64.c +++ b/arch/x86/kernel/aperture_64.c @@ -394,6 +394,7 @@ void __init gart_iommu_hole_init(void) for (i = 0; i < ARRAY_SIZE(bus_dev_ranges); i++) { int bus; int dev_base, dev_limit; + u32 ctl; bus = bus_dev_ranges[i].bus; dev_base = bus_dev_ranges[i].dev_base; @@ -407,7 +408,19 @@ void __init gart_iommu_hole_init(void) gart_iommu_aperture = 1; x86_init.iommu.iommu_init = gart_iommu_init; - aper_order = (read_pci_config(bus, slot, 3, AMD64_GARTAPERTURECTL) >> 1) & 7; + ctl = read_pci_config(bus, slot, 3, + AMD64_GARTAPERTURECTL); + + /* + * Before we do anything else disable the GART. It may + * still be enabled if we boot into a crash-kernel here. + * Reconfiguring the GART while it is enabled could have + * unknown side-effects. + */ + ctl &= ~GARTEN; + write_pci_config(bus, slot, 3, AMD64_GARTAPERTURECTL, ctl); + + aper_order = (ctl >> 1) & 7; aper_size = (32 * 1024 * 1024) << aper_order; aper_base = read_pci_config(bus, slot, 3, AMD64_GARTAPERTUREBASE) & 0x7fff; aper_base <<= 25; diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index dfca210..d4df517 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1640,8 +1640,10 @@ int __init APIC_init_uniprocessor(void) } #endif +#ifndef CONFIG_SMP enable_IR_x2apic(); default_setup_apic_routing(); +#endif verify_local_APIC(); connect_bsp_APIC(); diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index fc6c8ef..d440123 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -18,6 +18,7 @@ #include #include #include +#include #define LVL_1_INST 1 #define LVL_1_DATA 2 @@ -150,7 +151,8 @@ struct _cpuid4_info { union _cpuid4_leaf_ebx ebx; union _cpuid4_leaf_ecx ecx; unsigned long size; - unsigned long can_disable; + bool can_disable; + unsigned int l3_indices; DECLARE_BITMAP(shared_cpu_map, NR_CPUS); }; @@ -160,7 +162,8 @@ struct _cpuid4_info_regs { union _cpuid4_leaf_ebx ebx; union _cpuid4_leaf_ecx ecx; unsigned long size; - unsigned long can_disable; + bool can_disable; + unsigned int l3_indices; }; unsigned short num_cache_leaves; @@ -290,6 +293,36 @@ amd_cpuid4(int leaf, union _cpuid4_leaf_eax *eax, (ebx->split.ways_of_associativity + 1) - 1; } +struct _cache_attr { + struct attribute attr; + ssize_t (*show)(struct _cpuid4_info *, char *); + ssize_t (*store)(struct _cpuid4_info *, const char *, size_t count); +}; + +#ifdef CONFIG_CPU_SUP_AMD +static unsigned int __cpuinit amd_calc_l3_indices(void) +{ + /* + * We're called over smp_call_function_single() and therefore + * are on the correct cpu. + */ + int cpu = smp_processor_id(); + int node = cpu_to_node(cpu); + struct pci_dev *dev = node_to_k8_nb_misc(node); + unsigned int sc0, sc1, sc2, sc3; + u32 val = 0; + + pci_read_config_dword(dev, 0x1C4, &val); + + /* calculate subcache sizes */ + sc0 = !(val & BIT(0)); + sc1 = !(val & BIT(4)); + sc2 = !(val & BIT(8)) + !(val & BIT(9)); + sc3 = !(val & BIT(12)) + !(val & BIT(13)); + + return (max(max(max(sc0, sc1), sc2), sc3) << 10) - 1; +} + static void __cpuinit amd_check_l3_disable(int index, struct _cpuid4_info_regs *this_leaf) { @@ -299,12 +332,103 @@ amd_check_l3_disable(int index, struct _cpuid4_info_regs *this_leaf) if (boot_cpu_data.x86 == 0x11) return; - /* see erratum #382 */ - if ((boot_cpu_data.x86 == 0x10) && (boot_cpu_data.x86_model < 0x8)) + /* see errata #382 and #388 */ + if ((boot_cpu_data.x86 == 0x10) && + ((boot_cpu_data.x86_model < 0x8) || + (boot_cpu_data.x86_mask < 0x1))) return; - this_leaf->can_disable = 1; + this_leaf->can_disable = true; + this_leaf->l3_indices = amd_calc_l3_indices(); +} + +static ssize_t show_cache_disable(struct _cpuid4_info *this_leaf, char *buf, + unsigned int index) +{ + int cpu = cpumask_first(to_cpumask(this_leaf->shared_cpu_map)); + int node = amd_get_nb_id(cpu); + struct pci_dev *dev = node_to_k8_nb_misc(node); + unsigned int reg = 0; + + if (!this_leaf->can_disable) + return -EINVAL; + + if (!dev) + return -EINVAL; + + pci_read_config_dword(dev, 0x1BC + index * 4, ®); + return sprintf(buf, "0x%08x\n", reg); +} + +#define SHOW_CACHE_DISABLE(index) \ +static ssize_t \ +show_cache_disable_##index(struct _cpuid4_info *this_leaf, char *buf) \ +{ \ + return show_cache_disable(this_leaf, buf, index); \ +} +SHOW_CACHE_DISABLE(0) +SHOW_CACHE_DISABLE(1) + +static ssize_t store_cache_disable(struct _cpuid4_info *this_leaf, + const char *buf, size_t count, unsigned int index) +{ + int cpu = cpumask_first(to_cpumask(this_leaf->shared_cpu_map)); + int node = amd_get_nb_id(cpu); + struct pci_dev *dev = node_to_k8_nb_misc(node); + unsigned long val = 0; + +#define SUBCACHE_MASK (3UL << 20) +#define SUBCACHE_INDEX 0xfff + + if (!this_leaf->can_disable) + return -EINVAL; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + if (!dev) + return -EINVAL; + + if (strict_strtoul(buf, 10, &val) < 0) + return -EINVAL; + + /* do not allow writes outside of allowed bits */ + if ((val & ~(SUBCACHE_MASK | SUBCACHE_INDEX)) || + ((val & SUBCACHE_INDEX) > this_leaf->l3_indices)) + return -EINVAL; + + val |= BIT(30); + pci_write_config_dword(dev, 0x1BC + index * 4, val); + /* + * We need to WBINVD on a core on the node containing the L3 cache which + * indices we disable therefore a simple wbinvd() is not sufficient. + */ + wbinvd_on_cpu(cpu); + pci_write_config_dword(dev, 0x1BC + index * 4, val | BIT(31)); + return count; +} + +#define STORE_CACHE_DISABLE(index) \ +static ssize_t \ +store_cache_disable_##index(struct _cpuid4_info *this_leaf, \ + const char *buf, size_t count) \ +{ \ + return store_cache_disable(this_leaf, buf, count, index); \ } +STORE_CACHE_DISABLE(0) +STORE_CACHE_DISABLE(1) + +static struct _cache_attr cache_disable_0 = __ATTR(cache_disable_0, 0644, + show_cache_disable_0, store_cache_disable_0); +static struct _cache_attr cache_disable_1 = __ATTR(cache_disable_1, 0644, + show_cache_disable_1, store_cache_disable_1); + +#else /* CONFIG_CPU_SUP_AMD */ +static void __cpuinit +amd_check_l3_disable(int index, struct _cpuid4_info_regs *this_leaf) +{ +}; +#endif /* CONFIG_CPU_SUP_AMD */ static int __cpuinit cpuid4_cache_lookup_regs(int index, @@ -711,82 +835,6 @@ static ssize_t show_type(struct _cpuid4_info *this_leaf, char *buf) #define to_object(k) container_of(k, struct _index_kobject, kobj) #define to_attr(a) container_of(a, struct _cache_attr, attr) -static ssize_t show_cache_disable(struct _cpuid4_info *this_leaf, char *buf, - unsigned int index) -{ - int cpu = cpumask_first(to_cpumask(this_leaf->shared_cpu_map)); - int node = cpu_to_node(cpu); - struct pci_dev *dev = node_to_k8_nb_misc(node); - unsigned int reg = 0; - - if (!this_leaf->can_disable) - return -EINVAL; - - if (!dev) - return -EINVAL; - - pci_read_config_dword(dev, 0x1BC + index * 4, ®); - return sprintf(buf, "%x\n", reg); -} - -#define SHOW_CACHE_DISABLE(index) \ -static ssize_t \ -show_cache_disable_##index(struct _cpuid4_info *this_leaf, char *buf) \ -{ \ - return show_cache_disable(this_leaf, buf, index); \ -} -SHOW_CACHE_DISABLE(0) -SHOW_CACHE_DISABLE(1) - -static ssize_t store_cache_disable(struct _cpuid4_info *this_leaf, - const char *buf, size_t count, unsigned int index) -{ - int cpu = cpumask_first(to_cpumask(this_leaf->shared_cpu_map)); - int node = cpu_to_node(cpu); - struct pci_dev *dev = node_to_k8_nb_misc(node); - unsigned long val = 0; - unsigned int scrubber = 0; - - if (!this_leaf->can_disable) - return -EINVAL; - - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; - - if (!dev) - return -EINVAL; - - if (strict_strtoul(buf, 10, &val) < 0) - return -EINVAL; - - val |= 0xc0000000; - - pci_read_config_dword(dev, 0x58, &scrubber); - scrubber &= ~0x1f000000; - pci_write_config_dword(dev, 0x58, scrubber); - - pci_write_config_dword(dev, 0x1BC + index * 4, val & ~0x40000000); - wbinvd(); - pci_write_config_dword(dev, 0x1BC + index * 4, val); - return count; -} - -#define STORE_CACHE_DISABLE(index) \ -static ssize_t \ -store_cache_disable_##index(struct _cpuid4_info *this_leaf, \ - const char *buf, size_t count) \ -{ \ - return store_cache_disable(this_leaf, buf, count, index); \ -} -STORE_CACHE_DISABLE(0) -STORE_CACHE_DISABLE(1) - -struct _cache_attr { - struct attribute attr; - ssize_t (*show)(struct _cpuid4_info *, char *); - ssize_t (*store)(struct _cpuid4_info *, const char *, size_t count); -}; - #define define_one_ro(_name) \ static struct _cache_attr _name = \ __ATTR(_name, 0444, show_##_name, NULL) @@ -801,23 +849,28 @@ define_one_ro(size); define_one_ro(shared_cpu_map); define_one_ro(shared_cpu_list); -static struct _cache_attr cache_disable_0 = __ATTR(cache_disable_0, 0644, - show_cache_disable_0, store_cache_disable_0); -static struct _cache_attr cache_disable_1 = __ATTR(cache_disable_1, 0644, - show_cache_disable_1, store_cache_disable_1); +#define DEFAULT_SYSFS_CACHE_ATTRS \ + &type.attr, \ + &level.attr, \ + &coherency_line_size.attr, \ + &physical_line_partition.attr, \ + &ways_of_associativity.attr, \ + &number_of_sets.attr, \ + &size.attr, \ + &shared_cpu_map.attr, \ + &shared_cpu_list.attr static struct attribute *default_attrs[] = { - &type.attr, - &level.attr, - &coherency_line_size.attr, - &physical_line_partition.attr, - &ways_of_associativity.attr, - &number_of_sets.attr, - &size.attr, - &shared_cpu_map.attr, - &shared_cpu_list.attr, + DEFAULT_SYSFS_CACHE_ATTRS, + NULL +}; + +static struct attribute *default_l3_attrs[] = { + DEFAULT_SYSFS_CACHE_ATTRS, +#ifdef CONFIG_CPU_SUP_AMD &cache_disable_0.attr, &cache_disable_1.attr, +#endif NULL }; @@ -908,6 +961,7 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev) unsigned int cpu = sys_dev->id; unsigned long i, j; struct _index_kobject *this_object; + struct _cpuid4_info *this_leaf; int retval; retval = cpuid4_cache_sysfs_init(cpu); @@ -926,6 +980,14 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev) this_object = INDEX_KOBJECT_PTR(cpu, i); this_object->cpu = cpu; this_object->index = i; + + this_leaf = CPUID4_INFO_IDX(cpu, i); + + if (this_leaf->can_disable) + ktype_cache.default_attrs = default_l3_attrs; + else + ktype_cache.default_attrs = default_attrs; + retval = kobject_init_and_add(&(this_object->kobj), &ktype_cache, per_cpu(ici_cache_kobject, cpu), diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 98819b3..c7ca8e2 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -245,6 +245,97 @@ static u64 __read_mostly hw_cache_event_ids [PERF_COUNT_HW_CACHE_OP_MAX] [PERF_COUNT_HW_CACHE_RESULT_MAX]; +static const u64 westmere_hw_cache_event_ids + [PERF_COUNT_HW_CACHE_MAX] + [PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_COUNT_HW_CACHE_RESULT_MAX] = +{ + [ C(L1D) ] = { + [ C(OP_READ) ] = { + [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */ + [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPL */ + }, + [ C(OP_WRITE) ] = { + [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */ + [ C(RESULT_MISS) ] = 0x0251, /* L1D.M_REPL */ + }, + [ C(OP_PREFETCH) ] = { + [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS */ + [ C(RESULT_MISS) ] = 0x024e, /* L1D_PREFETCH.MISS */ + }, + }, + [ C(L1I ) ] = { + [ C(OP_READ) ] = { + [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */ + [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */ + }, + [ C(OP_WRITE) ] = { + [ C(RESULT_ACCESS) ] = -1, + [ C(RESULT_MISS) ] = -1, + }, + [ C(OP_PREFETCH) ] = { + [ C(RESULT_ACCESS) ] = 0x0, + [ C(RESULT_MISS) ] = 0x0, + }, + }, + [ C(LL ) ] = { + [ C(OP_READ) ] = { + [ C(RESULT_ACCESS) ] = 0x0324, /* L2_RQSTS.LOADS */ + [ C(RESULT_MISS) ] = 0x0224, /* L2_RQSTS.LD_MISS */ + }, + [ C(OP_WRITE) ] = { + [ C(RESULT_ACCESS) ] = 0x0c24, /* L2_RQSTS.RFOS */ + [ C(RESULT_MISS) ] = 0x0824, /* L2_RQSTS.RFO_MISS */ + }, + [ C(OP_PREFETCH) ] = { + [ C(RESULT_ACCESS) ] = 0x4f2e, /* LLC Reference */ + [ C(RESULT_MISS) ] = 0x412e, /* LLC Misses */ + }, + }, + [ C(DTLB) ] = { + [ C(OP_READ) ] = { + [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */ + [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.ANY */ + }, + [ C(OP_WRITE) ] = { + [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */ + [ C(RESULT_MISS) ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS */ + }, + [ C(OP_PREFETCH) ] = { + [ C(RESULT_ACCESS) ] = 0x0, + [ C(RESULT_MISS) ] = 0x0, + }, + }, + [ C(ITLB) ] = { + [ C(OP_READ) ] = { + [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P */ + [ C(RESULT_MISS) ] = 0x0185, /* ITLB_MISSES.ANY */ + }, + [ C(OP_WRITE) ] = { + [ C(RESULT_ACCESS) ] = -1, + [ C(RESULT_MISS) ] = -1, + }, + [ C(OP_PREFETCH) ] = { + [ C(RESULT_ACCESS) ] = -1, + [ C(RESULT_MISS) ] = -1, + }, + }, + [ C(BPU ) ] = { + [ C(OP_READ) ] = { + [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */ + [ C(RESULT_MISS) ] = 0x03e8, /* BPU_CLEARS.ANY */ + }, + [ C(OP_WRITE) ] = { + [ C(RESULT_ACCESS) ] = -1, + [ C(RESULT_MISS) ] = -1, + }, + [ C(OP_PREFETCH) ] = { + [ C(RESULT_ACCESS) ] = -1, + [ C(RESULT_MISS) ] = -1, + }, + }, +}; + static __initconst u64 nehalem_hw_cache_event_ids [PERF_COUNT_HW_CACHE_MAX] [PERF_COUNT_HW_CACHE_OP_MAX] @@ -2118,6 +2209,7 @@ static __init int intel_pmu_init(void) * Install the hw-cache-events table: */ switch (boot_cpu_data.x86_model) { + case 15: /* original 65 nm celeron/pentium/core2/xeon, "Merom"/"Conroe" */ case 22: /* single-core 65 nm celeron/core2solo "Merom-L"/"Conroe-L" */ case 23: /* current 45 nm celeron/core2/xeon "Penryn"/"Wolfdale" */ @@ -2129,7 +2221,9 @@ static __init int intel_pmu_init(void) event_constraints = intel_core_event_constraints; break; default: - case 26: + case 26: /* 45 nm nehalem, "Bloomfield" */ + case 30: /* 45 nm nehalem, "Lynnfield" */ + case 46: /* 45 nm nehalem-ex, "Beckton" */ memcpy(hw_cache_event_ids, nehalem_hw_cache_event_ids, sizeof(hw_cache_event_ids)); @@ -2142,6 +2236,14 @@ static __init int intel_pmu_init(void) pr_cont("Atom events, "); break; + + case 37: /* 32 nm nehalem, "Clarkdale" */ + case 44: /* 32 nm nehalem, "Gulftown" */ + memcpy(hw_cache_event_ids, westmere_hw_cache_event_ids, + sizeof(hw_cache_event_ids)); + + pr_cont("Westmere events, "); + break; } return 0; } diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c index a4849c1..ebd4c51 100644 --- a/arch/x86/kernel/crash.c +++ b/arch/x86/kernel/crash.c @@ -27,7 +27,6 @@ #include #include #include -#include #if defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC) @@ -103,10 +102,5 @@ void native_machine_crash_shutdown(struct pt_regs *regs) #ifdef CONFIG_HPET_TIMER hpet_disable(); #endif - -#ifdef CONFIG_X86_64 - x86_platform.iommu_shutdown(); -#endif - crash_save_cpu(regs, safe_smp_processor_id()); } diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c index ad80a1c..773afc9 100644 --- a/arch/x86/kernel/hpet.c +++ b/arch/x86/kernel/hpet.c @@ -399,9 +399,15 @@ static int hpet_next_event(unsigned long delta, * then we might have a real hardware problem. We can not do * much about it here, but at least alert the user/admin with * a prominent warning. + * An erratum on some chipsets (ICH9,..), results in comparator read + * immediately following a write returning old value. Workaround + * for this is to read this value second time, when first + * read returns old value. */ - WARN_ONCE(hpet_readl(HPET_Tn_CMP(timer)) != cnt, + if (unlikely((u32)hpet_readl(HPET_Tn_CMP(timer)) != cnt)) { + WARN_ONCE(hpet_readl(HPET_Tn_CMP(timer)) != cnt, KERN_WARNING "hpet: compare register read back failed.\n"); + } return (s32)(hpet_readl(HPET_COUNTER) - cnt) >= 0 ? -ETIME : 0; } diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c index bfba601..b2258ca 100644 --- a/arch/x86/kernel/kgdb.c +++ b/arch/x86/kernel/kgdb.c @@ -618,8 +618,8 @@ int kgdb_arch_init(void) * portion of kgdb because this operation requires mutexs to * complete. */ + hw_breakpoint_init(&attr); attr.bp_addr = (unsigned long)kgdb_arch_init; - attr.type = PERF_TYPE_BREAKPOINT; attr.bp_len = HW_BREAKPOINT_LEN_1; attr.bp_type = HW_BREAKPOINT_W; attr.disabled = 1; diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c index a2c1edd..e81030f 100644 --- a/arch/x86/kernel/mpparse.c +++ b/arch/x86/kernel/mpparse.c @@ -664,7 +664,7 @@ static void __init smp_reserve_memory(struct mpf_intel *mpf) { unsigned long size = get_mpc_size(mpf->physptr); - reserve_early(mpf->physptr, mpf->physptr+size, "MP-table mpc"); + reserve_early_overlap_ok(mpf->physptr, mpf->physptr+size, "MP-table mpc"); } static int __init smp_scan_config(unsigned long base, unsigned long length) @@ -693,7 +693,7 @@ static int __init smp_scan_config(unsigned long base, unsigned long length) mpf, (u64)virt_to_phys(mpf)); mem = virt_to_phys(mpf); - reserve_early(mem, mem + sizeof(*mpf), "MP-table mpf"); + reserve_early_overlap_ok(mem, mem + sizeof(*mpf), "MP-table mpf"); if (mpf->physptr) smp_reserve_memory(mpf); diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c index 34de53b..4f41b29 100644 --- a/arch/x86/kernel/pci-gart_64.c +++ b/arch/x86/kernel/pci-gart_64.c @@ -564,6 +564,9 @@ static void enable_gart_translations(void) enable_gart_translation(dev, __pa(agp_gatt_table)); } + + /* Flush the GART-TLB to remove stale entries */ + k8_flush_garts(); } /* diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 89a49fb..28c3d81 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1502,8 +1502,8 @@ static int mmu_zap_unsync_children(struct kvm *kvm, for_each_sp(pages, sp, parents, i) { kvm_mmu_zap_page(kvm, sp); mmu_pages_clear_parents(&parents); + zapped++; } - zapped += pages.nr; kvm_mmu_pages_init(parent, &parents, &pages); } @@ -1554,14 +1554,16 @@ void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages) */ if (used_pages > kvm_nr_mmu_pages) { - while (used_pages > kvm_nr_mmu_pages) { + while (used_pages > kvm_nr_mmu_pages && + !list_empty(&kvm->arch.active_mmu_pages)) { struct kvm_mmu_page *page; page = container_of(kvm->arch.active_mmu_pages.prev, struct kvm_mmu_page, link); - kvm_mmu_zap_page(kvm, page); + used_pages -= kvm_mmu_zap_page(kvm, page); used_pages--; } + kvm_nr_mmu_pages = used_pages; kvm->arch.n_free_mmu_pages = 0; } else @@ -1608,7 +1610,8 @@ static void mmu_unshadow(struct kvm *kvm, gfn_t gfn) && !sp->role.invalid) { pgprintk("%s: zap %lx %x\n", __func__, gfn, sp->role.word); - kvm_mmu_zap_page(kvm, sp); + if (kvm_mmu_zap_page(kvm, sp)) + nn = bucket->first; } } } diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 1d9b338..d42e191 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -698,29 +698,28 @@ static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id) if (err) goto free_svm; + err = -ENOMEM; page = alloc_page(GFP_KERNEL); - if (!page) { - err = -ENOMEM; + if (!page) goto uninit; - } - err = -ENOMEM; msrpm_pages = alloc_pages(GFP_KERNEL, MSRPM_ALLOC_ORDER); if (!msrpm_pages) - goto uninit; + goto free_page1; nested_msrpm_pages = alloc_pages(GFP_KERNEL, MSRPM_ALLOC_ORDER); if (!nested_msrpm_pages) - goto uninit; - - svm->msrpm = page_address(msrpm_pages); - svm_vcpu_init_msrpm(svm->msrpm); + goto free_page2; hsave_page = alloc_page(GFP_KERNEL); if (!hsave_page) - goto uninit; + goto free_page3; + svm->nested.hsave = page_address(hsave_page); + svm->msrpm = page_address(msrpm_pages); + svm_vcpu_init_msrpm(svm->msrpm); + svm->nested.msrpm = page_address(nested_msrpm_pages); svm->vmcb = page_address(page); @@ -737,6 +736,12 @@ static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id) return &svm->vcpu; +free_page3: + __free_pages(nested_msrpm_pages, MSRPM_ALLOC_ORDER); +free_page2: + __free_pages(msrpm_pages, MSRPM_ALLOC_ORDER); +free_page1: + __free_page(page); uninit: kvm_vcpu_uninit(&svm->vcpu); free_svm: diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 8a8e139..3acbe19 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -61,6 +61,8 @@ module_param_named(unrestricted_guest, static int __read_mostly emulate_invalid_guest_state = 0; module_param(emulate_invalid_guest_state, bool, S_IRUGO); +#define RMODE_GUEST_OWNED_EFLAGS_BITS (~(X86_EFLAGS_IOPL | X86_EFLAGS_VM)) + /* * These 2 parameters are used to config the controls for Pause-Loop Exiting: * ple_gap: upper bound on the amount of time between two successive @@ -115,7 +117,7 @@ struct vcpu_vmx { } host_state; struct { int vm86_active; - u8 save_iopl; + ulong save_rflags; struct kvm_save_segment { u16 selector; unsigned long base; @@ -787,18 +789,23 @@ static void vmx_fpu_deactivate(struct kvm_vcpu *vcpu) static unsigned long vmx_get_rflags(struct kvm_vcpu *vcpu) { - unsigned long rflags; + unsigned long rflags, save_rflags; rflags = vmcs_readl(GUEST_RFLAGS); - if (to_vmx(vcpu)->rmode.vm86_active) - rflags &= ~(unsigned long)(X86_EFLAGS_IOPL | X86_EFLAGS_VM); + if (to_vmx(vcpu)->rmode.vm86_active) { + rflags &= RMODE_GUEST_OWNED_EFLAGS_BITS; + save_rflags = to_vmx(vcpu)->rmode.save_rflags; + rflags |= save_rflags & ~RMODE_GUEST_OWNED_EFLAGS_BITS; + } return rflags; } static void vmx_set_rflags(struct kvm_vcpu *vcpu, unsigned long rflags) { - if (to_vmx(vcpu)->rmode.vm86_active) + if (to_vmx(vcpu)->rmode.vm86_active) { + to_vmx(vcpu)->rmode.save_rflags = rflags; rflags |= X86_EFLAGS_IOPL | X86_EFLAGS_VM; + } vmcs_writel(GUEST_RFLAGS, rflags); } @@ -1431,8 +1438,8 @@ static void enter_pmode(struct kvm_vcpu *vcpu) vmcs_write32(GUEST_TR_AR_BYTES, vmx->rmode.tr.ar); flags = vmcs_readl(GUEST_RFLAGS); - flags &= ~(X86_EFLAGS_IOPL | X86_EFLAGS_VM); - flags |= (vmx->rmode.save_iopl << IOPL_SHIFT); + flags &= RMODE_GUEST_OWNED_EFLAGS_BITS; + flags |= vmx->rmode.save_rflags & ~RMODE_GUEST_OWNED_EFLAGS_BITS; vmcs_writel(GUEST_RFLAGS, flags); vmcs_writel(GUEST_CR4, (vmcs_readl(GUEST_CR4) & ~X86_CR4_VME) | @@ -1501,8 +1508,7 @@ static void enter_rmode(struct kvm_vcpu *vcpu) vmcs_write32(GUEST_TR_AR_BYTES, 0x008b); flags = vmcs_readl(GUEST_RFLAGS); - vmx->rmode.save_iopl - = (flags & X86_EFLAGS_IOPL) >> IOPL_SHIFT; + vmx->rmode.save_rflags = flags; flags |= X86_EFLAGS_IOPL | X86_EFLAGS_VM; @@ -2719,6 +2725,12 @@ static int handle_rmode_exception(struct kvm_vcpu *vcpu, kvm_queue_exception(vcpu, vec); return 1; case BP_VECTOR: + /* + * Update instruction length as we may reinject the exception + * from user space while in guest debugging mode. + */ + to_vmx(vcpu)->vcpu.arch.event_exit_inst_len = + vmcs_read32(VM_EXIT_INSTRUCTION_LEN); if (vcpu->guest_debug & KVM_GUESTDBG_USE_SW_BP) return 0; /* fall through */ @@ -2841,6 +2853,13 @@ static int handle_exception(struct kvm_vcpu *vcpu) kvm_run->debug.arch.dr7 = vmcs_readl(GUEST_DR7); /* fall through */ case BP_VECTOR: + /* + * Update instruction length as we may reinject #BP from + * user space while in guest debugging mode. Reading it for + * #DB as well causes no harm, it is not used in that case. + */ + vmx->vcpu.arch.event_exit_inst_len = + vmcs_read32(VM_EXIT_INSTRUCTION_LEN); kvm_run->exit_reason = KVM_EXIT_DEBUG; kvm_run->debug.arch.pc = vmcs_readl(GUEST_CS_BASE) + rip; kvm_run->debug.arch.exception = ex_no; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index e900908..dd78927 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -384,21 +384,16 @@ out: void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) { if (cr0 & CR0_RESERVED_BITS) { - printk(KERN_DEBUG "set_cr0: 0x%lx #GP, reserved bits 0x%lx\n", - cr0, vcpu->arch.cr0); kvm_inject_gp(vcpu, 0); return; } if ((cr0 & X86_CR0_NW) && !(cr0 & X86_CR0_CD)) { - printk(KERN_DEBUG "set_cr0: #GP, CD == 0 && NW == 1\n"); kvm_inject_gp(vcpu, 0); return; } if ((cr0 & X86_CR0_PG) && !(cr0 & X86_CR0_PE)) { - printk(KERN_DEBUG "set_cr0: #GP, set PG flag " - "and a clear PE flag\n"); kvm_inject_gp(vcpu, 0); return; } @@ -409,15 +404,11 @@ void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) int cs_db, cs_l; if (!is_pae(vcpu)) { - printk(KERN_DEBUG "set_cr0: #GP, start paging " - "in long mode while PAE is disabled\n"); kvm_inject_gp(vcpu, 0); return; } kvm_x86_ops->get_cs_db_l_bits(vcpu, &cs_db, &cs_l); if (cs_l) { - printk(KERN_DEBUG "set_cr0: #GP, start paging " - "in long mode while CS.L == 1\n"); kvm_inject_gp(vcpu, 0); return; @@ -425,8 +416,6 @@ void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0) } else #endif if (is_pae(vcpu) && !load_pdptrs(vcpu, vcpu->arch.cr3)) { - printk(KERN_DEBUG "set_cr0: #GP, pdptrs " - "reserved bits\n"); kvm_inject_gp(vcpu, 0); return; } @@ -453,28 +442,23 @@ void kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4) unsigned long pdptr_bits = X86_CR4_PGE | X86_CR4_PSE | X86_CR4_PAE; if (cr4 & CR4_RESERVED_BITS) { - printk(KERN_DEBUG "set_cr4: #GP, reserved bits\n"); kvm_inject_gp(vcpu, 0); return; } if (is_long_mode(vcpu)) { if (!(cr4 & X86_CR4_PAE)) { - printk(KERN_DEBUG "set_cr4: #GP, clearing PAE while " - "in long mode\n"); kvm_inject_gp(vcpu, 0); return; } } else if (is_paging(vcpu) && (cr4 & X86_CR4_PAE) && ((cr4 ^ old_cr4) & pdptr_bits) && !load_pdptrs(vcpu, vcpu->arch.cr3)) { - printk(KERN_DEBUG "set_cr4: #GP, pdptrs reserved bits\n"); kvm_inject_gp(vcpu, 0); return; } if (cr4 & X86_CR4_VMXE) { - printk(KERN_DEBUG "set_cr4: #GP, setting VMXE\n"); kvm_inject_gp(vcpu, 0); return; } @@ -495,21 +479,16 @@ void kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3) if (is_long_mode(vcpu)) { if (cr3 & CR3_L_MODE_RESERVED_BITS) { - printk(KERN_DEBUG "set_cr3: #GP, reserved bits\n"); kvm_inject_gp(vcpu, 0); return; } } else { if (is_pae(vcpu)) { if (cr3 & CR3_PAE_RESERVED_BITS) { - printk(KERN_DEBUG - "set_cr3: #GP, reserved bits\n"); kvm_inject_gp(vcpu, 0); return; } if (is_paging(vcpu) && !load_pdptrs(vcpu, cr3)) { - printk(KERN_DEBUG "set_cr3: #GP, pdptrs " - "reserved bits\n"); kvm_inject_gp(vcpu, 0); return; } @@ -541,7 +520,6 @@ EXPORT_SYMBOL_GPL(kvm_set_cr3); void kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8) { if (cr8 & CR8_RESERVED_BITS) { - printk(KERN_DEBUG "set_cr8: #GP, reserved bits 0x%lx\n", cr8); kvm_inject_gp(vcpu, 0); return; } @@ -595,15 +573,12 @@ static u32 emulated_msrs[] = { static void set_efer(struct kvm_vcpu *vcpu, u64 efer) { if (efer & efer_reserved_bits) { - printk(KERN_DEBUG "set_efer: 0x%llx #GP, reserved bits\n", - efer); kvm_inject_gp(vcpu, 0); return; } if (is_paging(vcpu) && (vcpu->arch.shadow_efer & EFER_LME) != (efer & EFER_LME)) { - printk(KERN_DEBUG "set_efer: #GP, change LME while paging\n"); kvm_inject_gp(vcpu, 0); return; } @@ -613,7 +588,6 @@ static void set_efer(struct kvm_vcpu *vcpu, u64 efer) feat = kvm_find_cpuid_entry(vcpu, 0x80000001, 0); if (!feat || !(feat->edx & bit(X86_FEATURE_FXSR_OPT))) { - printk(KERN_DEBUG "set_efer: #GP, enable FFXSR w/o CPUID capability\n"); kvm_inject_gp(vcpu, 0); return; } @@ -624,7 +598,6 @@ static void set_efer(struct kvm_vcpu *vcpu, u64 efer) feat = kvm_find_cpuid_entry(vcpu, 0x80000001, 0); if (!feat || !(feat->ecx & bit(X86_FEATURE_SVM))) { - printk(KERN_DEBUG "set_efer: #GP, enable SVM w/o SVM\n"); kvm_inject_gp(vcpu, 0); return; } @@ -913,9 +886,13 @@ static int set_msr_mce(struct kvm_vcpu *vcpu, u32 msr, u64 data) if (msr >= MSR_IA32_MC0_CTL && msr < MSR_IA32_MC0_CTL + 4 * bank_num) { u32 offset = msr - MSR_IA32_MC0_CTL; - /* only 0 or all 1s can be written to IA32_MCi_CTL */ + /* only 0 or all 1s can be written to IA32_MCi_CTL + * some Linux kernels though clear bit 10 in bank 4 to + * workaround a BIOS/GART TBL issue on AMD K8s, ignore + * this to avoid an uncatched #GP in the guest + */ if ((offset & 0x3) == 0 && - data != 0 && data != ~(u64)0) + data != 0 && (data | (1 << 10)) != ~(u64)0) return -1; vcpu->arch.mce_banks[offset] = data; break; @@ -2366,7 +2343,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log) { int r; - int n; + unsigned long n; struct kvm_memory_slot *memslot; int is_dirty = 0; @@ -2382,7 +2359,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, kvm_mmu_slot_remove_write_access(kvm, log->slot); spin_unlock(&kvm->mmu_lock); memslot = &kvm->memslots[log->slot]; - n = ALIGN(memslot->npages, BITS_PER_LONG) / 8; + n = kvm_dirty_bitmap_bytes(memslot); memset(memslot->dirty_bitmap, 0, n); } r = 0; @@ -4599,6 +4576,7 @@ int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason) int ret = 0; u32 old_tss_base = get_segment_base(vcpu, VCPU_SREG_TR); u16 old_tss_sel = get_segment_selector(vcpu, VCPU_SREG_TR); + u32 desc_limit; old_tss_base = vcpu->arch.mmu.gva_to_gpa(vcpu, old_tss_base); @@ -4621,7 +4599,10 @@ int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason) } } - if (!nseg_desc.p || get_desc_limit(&nseg_desc) < 0x67) { + desc_limit = get_desc_limit(&nseg_desc); + if (!nseg_desc.p || + ((desc_limit < 0x67 && (nseg_desc.type & 8)) || + desc_limit < 0x2b)) { kvm_queue_exception_e(vcpu, TS_VECTOR, tss_selector & 0xfffc); return 1; } diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile index cffd754..ddef409 100644 --- a/arch/x86/lib/Makefile +++ b/arch/x86/lib/Makefile @@ -14,7 +14,7 @@ $(obj)/inat.o: $(obj)/inat-tables.c clean-files := inat-tables.c -obj-$(CONFIG_SMP) += msr-smp.o +obj-$(CONFIG_SMP) += msr-smp.o cache-smp.o lib-y := delay.o lib-y += thunk_$(BITS).o @@ -39,4 +39,5 @@ else lib-y += thunk_64.o clear_page_64.o copy_page_64.o lib-y += memmove_64.o memset_64.o lib-y += copy_user_64.o rwlock_64.o copy_user_nocache_64.o + lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem_64.o endif diff --git a/arch/x86/lib/cache-smp.c b/arch/x86/lib/cache-smp.c new file mode 100644 index 0000000..a3c6688 --- /dev/null +++ b/arch/x86/lib/cache-smp.c @@ -0,0 +1,19 @@ +#include +#include + +static void __wbinvd(void *dummy) +{ + wbinvd(); +} + +void wbinvd_on_cpu(int cpu) +{ + smp_call_function_single(cpu, __wbinvd, NULL, 1); +} +EXPORT_SYMBOL(wbinvd_on_cpu); + +int wbinvd_on_all_cpus(void) +{ + return on_each_cpu(__wbinvd, NULL, 1); +} +EXPORT_SYMBOL(wbinvd_on_all_cpus); diff --git a/arch/x86/lib/rwsem_64.S b/arch/x86/lib/rwsem_64.S new file mode 100644 index 0000000..15acecf --- /dev/null +++ b/arch/x86/lib/rwsem_64.S @@ -0,0 +1,81 @@ +/* + * x86-64 rwsem wrappers + * + * This interfaces the inline asm code to the slow-path + * C routines. We need to save the call-clobbered regs + * that the asm does not mark as clobbered, and move the + * argument from %rax to %rdi. + * + * NOTE! We don't need to save %rax, because the functions + * will always return the semaphore pointer in %rax (which + * is also the input argument to these helpers) + * + * The following can clobber %rdx because the asm clobbers it: + * call_rwsem_down_write_failed + * call_rwsem_wake + * but %rdi, %rsi, %rcx, %r8-r11 always need saving. + */ + +#include +#include +#include +#include +#include + +#define save_common_regs \ + pushq %rdi; \ + pushq %rsi; \ + pushq %rcx; \ + pushq %r8; \ + pushq %r9; \ + pushq %r10; \ + pushq %r11 + +#define restore_common_regs \ + popq %r11; \ + popq %r10; \ + popq %r9; \ + popq %r8; \ + popq %rcx; \ + popq %rsi; \ + popq %rdi + +/* Fix up special calling conventions */ +ENTRY(call_rwsem_down_read_failed) + save_common_regs + pushq %rdx + movq %rax,%rdi + call rwsem_down_read_failed + popq %rdx + restore_common_regs + ret + ENDPROC(call_rwsem_down_read_failed) + +ENTRY(call_rwsem_down_write_failed) + save_common_regs + movq %rax,%rdi + call rwsem_down_write_failed + restore_common_regs + ret + ENDPROC(call_rwsem_down_write_failed) + +ENTRY(call_rwsem_wake) + decw %dx /* do nothing if still outstanding active readers */ + jnz 1f + save_common_regs + movq %rax,%rdi + call rwsem_wake + restore_common_regs +1: ret + ENDPROC(call_rwsem_wake) + +/* Fix up special calling conventions */ +ENTRY(call_rwsem_downgrade_wake) + save_common_regs + pushq %rdx + movq %rax,%rdi + call rwsem_downgrade_wake + popq %rdx + restore_common_regs + ret + ENDPROC(call_rwsem_downgrade_wake) diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c index 0696d50..b02f6d8 100644 --- a/arch/x86/pci/irq.c +++ b/arch/x86/pci/irq.c @@ -590,6 +590,8 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route case PCI_DEVICE_ID_INTEL_ICH10_1: case PCI_DEVICE_ID_INTEL_ICH10_2: case PCI_DEVICE_ID_INTEL_ICH10_3: + case PCI_DEVICE_ID_INTEL_CPT_LPC1: + case PCI_DEVICE_ID_INTEL_CPT_LPC2: r->name = "PIIX/ICH"; r->get = pirq_piix_get; r->set = pirq_piix_set; diff --git a/arch/x86/power/hibernate_asm_32.S b/arch/x86/power/hibernate_asm_32.S index b641388..ad47dae 100644 --- a/arch/x86/power/hibernate_asm_32.S +++ b/arch/x86/power/hibernate_asm_32.S @@ -27,10 +27,17 @@ ENTRY(swsusp_arch_suspend) ret ENTRY(restore_image) + movl mmu_cr4_features, %ecx movl resume_pg_dir, %eax subl $__PAGE_OFFSET, %eax movl %eax, %cr3 + jecxz 1f # cr4 Pentium and higher, skip if zero + andl $~(X86_CR4_PGE), %ecx + movl %ecx, %cr4; # turn off PGE + movl %cr3, %eax; # flush TLB + movl %eax, %cr3 +1: movl restore_pblist, %edx .p2align 4,,7 @@ -54,16 +61,8 @@ done: movl $swapper_pg_dir, %eax subl $__PAGE_OFFSET, %eax movl %eax, %cr3 - /* Flush TLB, including "global" things (vmalloc) */ movl mmu_cr4_features, %ecx jecxz 1f # cr4 Pentium and higher, skip if zero - movl %ecx, %edx - andl $~(X86_CR4_PGE), %edx - movl %edx, %cr4; # turn off PGE -1: - movl %cr3, %eax; # flush TLB - movl %eax, %cr3 - jecxz 1f # cr4 Pentium and higher, skip if zero movl %ecx, %cr4; # turn PGE back on 1: diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c index 52fec07..83b6252 100644 --- a/drivers/acpi/acpica/exprep.c +++ b/drivers/acpi/acpica/exprep.c @@ -468,6 +468,23 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info) acpi_ut_add_reference(obj_desc->field.region_obj); + /* allow full data read from EC address space */ + if (obj_desc->field.region_obj->region.space_id == + ACPI_ADR_SPACE_EC) { + if (obj_desc->common_field.bit_length > 8) { + unsigned width = + ACPI_ROUND_BITS_UP_TO_BYTES( + obj_desc->common_field.bit_length); + // access_bit_width is u8, don't overflow it + if (width > 8) + width = 8; + obj_desc->common_field.access_byte_width = + width; + obj_desc->common_field.access_bit_width = + 8 * width; + } + } + ACPI_DEBUG_PRINT((ACPI_DB_BFIELD, "RegionField: BitOff %X, Off %X, Gran %X, Region %p\n", obj_desc->field.start_field_bit_offset, diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index d6471bb..fc67d11 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -589,12 +589,12 @@ static u32 acpi_ec_gpe_handler(void *data) static acpi_status acpi_ec_space_handler(u32 function, acpi_physical_address address, - u32 bits, acpi_integer *value, + u32 bits, acpi_integer *value64, void *handler_context, void *region_context) { struct acpi_ec *ec = handler_context; - int result = 0, i; - u8 temp = 0; + int result = 0, i, bytes = bits / 8; + u8 *value = (u8 *)value64; if ((address > 0xFF) || !value || !handler_context) return AE_BAD_PARAMETER; @@ -602,32 +602,15 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address, if (function != ACPI_READ && function != ACPI_WRITE) return AE_BAD_PARAMETER; - if (bits != 8 && acpi_strict) - return AE_BAD_PARAMETER; - - if (EC_FLAGS_MSI) + if (EC_FLAGS_MSI || bits > 8) acpi_ec_burst_enable(ec); - if (function == ACPI_READ) { - result = acpi_ec_read(ec, address, &temp); - *value = temp; - } else { - temp = 0xff & (*value); - result = acpi_ec_write(ec, address, temp); - } - - for (i = 8; unlikely(bits - i > 0); i += 8) { - ++address; - if (function == ACPI_READ) { - result = acpi_ec_read(ec, address, &temp); - (*value) |= ((acpi_integer)temp) << i; - } else { - temp = 0xff & ((*value) >> i); - result = acpi_ec_write(ec, address, temp); - } - } + for (i = 0; i < bytes; ++i, ++address, ++value) + result = (function == ACPI_READ) ? + acpi_ec_read(ec, address, value) : + acpi_ec_write(ec, address, *value); - if (EC_FLAGS_MSI) + if (EC_FLAGS_MSI || bits > 8) acpi_ec_burst_disable(ec); switch (result) { diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 9e2feb6..462200d 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -570,6 +570,12 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */ { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci }, /* PCH RAID */ { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */ + { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */ + { PCI_VDEVICE(INTEL, 0x1c03), board_ahci }, /* CPT AHCI */ + { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */ + { PCI_VDEVICE(INTEL, 0x1c05), board_ahci }, /* CPT RAID */ + { PCI_VDEVICE(INTEL, 0x1c06), board_ahci }, /* CPT RAID */ + { PCI_VDEVICE(INTEL, 0x1c07), board_ahci }, /* CPT RAID */ /* JMicron 360/1/3/5/6, match class to avoid IDE function */ { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 6f3f225..b5f614b 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -291,6 +291,14 @@ static const struct pci_device_id piix_pci_tbl[] = { { 0x8086, 0x3b2d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, /* SATA Controller IDE (PCH) */ { 0x8086, 0x3b2e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata }, + /* SATA Controller IDE (CPT) */ + { 0x8086, 0x1c00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata }, + /* SATA Controller IDE (CPT) */ + { 0x8086, 0x1c01, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata }, + /* SATA Controller IDE (CPT) */ + { 0x8086, 0x1c08, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, + /* SATA Controller IDE (CPT) */ + { 0x8086, 0x1c09, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, { } /* terminate list */ }; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 6728328..2401c9c 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4348,6 +4348,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { { "HTS541080G9SA00", "MB4OC60D", ATA_HORKAGE_NONCQ, }, { "HTS541010G9SA00", "MBZOC60D", ATA_HORKAGE_NONCQ, }, + /* https://bugzilla.kernel.org/show_bug.cgi?id=15573 */ + { "C300-CTFDDAC128MAG", "0001", ATA_HORKAGE_NONCQ, }, + /* devices which puke on READ_NATIVE_MAX */ { "HDS724040KLSA80", "KFAOA20N", ATA_HORKAGE_BROKEN_HPA, }, { "WDC WD3200JD-00KLB0", "WD-WCAMR1130137", ATA_HORKAGE_BROKEN_HPA }, diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index be7c395..ad64750 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -697,6 +697,7 @@ static const struct pci_device_id via[] = { { PCI_VDEVICE(VIA, 0x3164), }, { PCI_VDEVICE(VIA, 0x5324), }, { PCI_VDEVICE(VIA, 0xC409), VIA_IDFLAG_SINGLE }, + { PCI_VDEVICE(VIA, 0x9001), VIA_IDFLAG_SINGLE }, { }, }; diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 3999a5f..8a713f1 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -8,6 +8,7 @@ #include #include #include +#include #include "agp.h" /* @@ -815,12 +816,6 @@ static void intel_i830_setup_flush(void) intel_i830_fini_flush(); } -static void -do_wbinvd(void *null) -{ - wbinvd(); -} - /* The chipset_flush interface needs to get data that has already been * flushed out of the CPU all the way out to main memory, because the GPU * doesn't snoop those buffers. @@ -837,12 +832,10 @@ static void intel_i830_chipset_flush(struct agp_bridge_data *bridge) memset(pg, 0, 1024); - if (cpu_has_clflush) { + if (cpu_has_clflush) clflush_cache_range(pg, 1024); - } else { - if (on_each_cpu(do_wbinvd, NULL, 1) != 0) - printk(KERN_ERR "Timed out waiting for cache flush.\n"); - } + else if (wbinvd_on_all_cpus() != 0) + printk(KERN_ERR "Timed out waiting for cache flush.\n"); } /* The intel i830 automatically initializes the agp aperture during POST. diff --git a/drivers/char/raw.c b/drivers/char/raw.c index 64acd05..9abc3a1 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -247,6 +247,7 @@ static const struct file_operations raw_fops = { .aio_read = generic_file_aio_read, .write = do_sync_write, .aio_write = blkdev_aio_write, + .fsync = block_fsync, .open = raw_open, .release= raw_release, .ioctl = raw_ioctl, diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index dcb9083..76253cf 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1423,6 +1423,8 @@ static void release_one_tty(struct work_struct *work) list_del_init(&tty->tty_files); file_list_unlock(); + put_pid(tty->pgrp); + put_pid(tty->session); free_tty_struct(tty); } diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index 7d0f00a..99907c3 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -104,6 +104,7 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector, if (connector->status == connector_status_disconnected) { DRM_DEBUG_KMS("%s is disconnected\n", drm_get_connector_name(connector)); + drm_mode_connector_update_edid_property(connector, NULL); goto prune; } diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index ab6c973..bfd0e4a 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -85,6 +85,8 @@ static struct edid_quirk { /* Envision Peripherals, Inc. EN-7100e */ { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH }, + /* Envision EN2028 */ + { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 }, /* Funai Electronics PM36B */ { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 | @@ -707,15 +709,6 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev, mode->vsync_end = mode->vsync_start + vsync_pulse_width; mode->vtotal = mode->vdisplay + vblank; - /* perform the basic check for the detailed timing */ - if (mode->hsync_end > mode->htotal || - mode->vsync_end > mode->vtotal) { - drm_mode_destroy(dev, mode); - DRM_DEBUG_KMS("Incorrect detailed timing. " - "Sync is beyond the blank.\n"); - return NULL; - } - /* Some EDIDs have bogus h/vtotal values */ if (mode->hsync_end > mode->htotal) mode->htotal = mode->hsync_end + 1; diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 08d14df..4804872 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -140,14 +140,16 @@ int drm_open(struct inode *inode, struct file *filp) spin_unlock(&dev->count_lock); } out: - mutex_lock(&dev->struct_mutex); - if (minor->type == DRM_MINOR_LEGACY) { - BUG_ON((dev->dev_mapping != NULL) && - (dev->dev_mapping != inode->i_mapping)); - if (dev->dev_mapping == NULL) - dev->dev_mapping = inode->i_mapping; + if (!retcode) { + mutex_lock(&dev->struct_mutex); + if (minor->type == DRM_MINOR_LEGACY) { + if (dev->dev_mapping == NULL) + dev->dev_mapping = inode->i_mapping; + else if (dev->dev_mapping != inode->i_mapping) + retcode = -ENODEV; + } + mutex_unlock(&dev->struct_mutex); } - mutex_unlock(&dev->struct_mutex); return retcode; } diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 93031a7..1238bc9 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -899,6 +899,14 @@ static const struct dmi_system_id intel_no_lvds[] = { DMI_MATCH(DMI_PRODUCT_VERSION, "AO00001JW"), }, }, + { + .callback = intel_no_lvds_dmi_callback, + .ident = "Clientron U800", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Clientron"), + DMI_MATCH(DMI_PRODUCT_NAME, "U800"), + }, + }, { } /* terminating entry */ }; diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c index d75788f..b1f929d 100644 --- a/drivers/gpu/drm/radeon/atom.c +++ b/drivers/gpu/drm/radeon/atom.c @@ -881,11 +881,16 @@ static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg) uint8_t attr = U8((*ptr)++), shift; uint32_t saved, dst; int dptr = *ptr; + uint32_t dst_align = atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3]; SDEBUG(" dst: "); dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); + /* op needs to full dst value */ + dst = saved; shift = atom_get_src(ctx, attr, ptr); SDEBUG(" shift: %d\n", shift); dst <<= shift; + dst &= atom_arg_mask[dst_align]; + dst >>= atom_arg_shift[dst_align]; SDEBUG(" dst: "); atom_put_dst(ctx, arg, attr, &dptr, dst, saved); } @@ -895,11 +900,16 @@ static void atom_op_shr(atom_exec_context *ctx, int *ptr, int arg) uint8_t attr = U8((*ptr)++), shift; uint32_t saved, dst; int dptr = *ptr; + uint32_t dst_align = atom_dst_to_src[(attr >> 3) & 7][(attr >> 6) & 3]; SDEBUG(" dst: "); dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1); + /* op needs to full dst value */ + dst = saved; shift = atom_get_src(ctx, attr, ptr); SDEBUG(" shift: %d\n", shift); dst >>= shift; + dst &= atom_arg_mask[dst_align]; + dst >>= atom_arg_shift[dst_align]; SDEBUG(" dst: "); atom_put_dst(ctx, arg, attr, &dptr, dst, saved); } diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c index 43b55a0..5bdfaf2 100644 --- a/drivers/gpu/drm/radeon/r300.c +++ b/drivers/gpu/drm/radeon/r300.c @@ -364,11 +364,12 @@ void r300_gpu_init(struct radeon_device *rdev) r100_hdp_reset(rdev); /* FIXME: rv380 one pipes ? */ - if ((rdev->family == CHIP_R300) || (rdev->family == CHIP_R350)) { + if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) || + (rdev->family == CHIP_R350)) { /* r300,r350 */ rdev->num_gb_pipes = 2; } else { - /* rv350,rv370,rv380 */ + /* rv350,rv370,rv380,r300 AD */ rdev->num_gb_pipes = 1; } rdev->num_z_pipes = 1; diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index e7b1944..81b832e 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -670,7 +670,9 @@ struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct dac = RBIOS8(dac_info + 0x3) & 0xf; p_dac->ps2_pdac_adj = (bg << 8) | (dac); } - found = 1; + /* if the values are all zeros, use the table */ + if (p_dac->ps2_pdac_adj) + found = 1; } out: @@ -812,7 +814,9 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct bg = RBIOS8(dac_info + 0x10) & 0xf; dac = RBIOS8(dac_info + 0x11) & 0xf; tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20); - found = 1; + /* if the values are all zeros, use the table */ + if (tv_dac->ps2_tvdac_adj) + found = 1; } else if (rev > 1) { bg = RBIOS8(dac_info + 0xc) & 0xf; dac = (RBIOS8(dac_info + 0xc) >> 4) & 0xf; @@ -825,7 +829,9 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct bg = RBIOS8(dac_info + 0xe) & 0xf; dac = (RBIOS8(dac_info + 0xe) >> 4) & 0xf; tv_dac->ntsc_tvdac_adj = (bg << 16) | (dac << 20); - found = 1; + /* if the values are all zeros, use the table */ + if (tv_dac->ps2_tvdac_adj) + found = 1; } tv_dac->tv_std = radeon_combios_get_tv_info(rdev); } @@ -842,7 +848,9 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct (bg << 16) | (dac << 20); tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj; tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj; - found = 1; + /* if the values are all zeros, use the table */ + if (tv_dac->ps2_tvdac_adj) + found = 1; } else { bg = RBIOS8(dac_info + 0x4) & 0xf; dac = RBIOS8(dac_info + 0x5) & 0xf; @@ -850,7 +858,9 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct (bg << 16) | (dac << 20); tv_dac->pal_tvdac_adj = tv_dac->ps2_tvdac_adj; tv_dac->ntsc_tvdac_adj = tv_dac->ps2_tvdac_adj; - found = 1; + /* if the values are all zeros, use the table */ + if (tv_dac->ps2_tvdac_adj) + found = 1; } } else { DRM_INFO("No TV DAC info found in BIOS\n"); diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 65f8194..2bdfbcd 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -162,12 +162,14 @@ radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, { struct drm_device *dev = connector->dev; struct drm_connector *conflict; + struct radeon_connector *radeon_conflict; int i; list_for_each_entry(conflict, &dev->mode_config.connector_list, head) { if (conflict == connector) continue; + radeon_conflict = to_radeon_connector(conflict); for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { if (conflict->encoder_ids[i] == 0) break; @@ -177,6 +179,9 @@ radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector, if (conflict->status != connector_status_connected) continue; + if (radeon_conflict->use_digital) + continue; + if (priority == true) { DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict)); DRM_INFO("in favor of %s\n", drm_get_connector_name(connector)); @@ -315,7 +320,7 @@ int radeon_connector_set_property(struct drm_connector *connector, struct drm_pr radeon_encoder = to_radeon_encoder(encoder); if (!radeon_encoder->enc_priv) return 0; - if (rdev->is_atom_bios) { + if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) { struct radeon_encoder_atom_dac *dac_int; dac_int = radeon_encoder->enc_priv; dac_int->tv_std = val; diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c index 06123ba..f129bbb 100644 --- a/drivers/gpu/drm/radeon/radeon_cp.c +++ b/drivers/gpu/drm/radeon/radeon_cp.c @@ -417,8 +417,9 @@ static int radeon_do_wait_for_idle(drm_radeon_private_t * dev_priv) return -EBUSY; } -static void radeon_init_pipes(drm_radeon_private_t *dev_priv) +static void radeon_init_pipes(struct drm_device *dev) { + drm_radeon_private_t *dev_priv = dev->dev_private; uint32_t gb_tile_config, gb_pipe_sel = 0; if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV530) { @@ -436,11 +437,12 @@ static void radeon_init_pipes(drm_radeon_private_t *dev_priv) dev_priv->num_gb_pipes = ((gb_pipe_sel >> 12) & 0x3) + 1; } else { /* R3xx */ - if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R300) || + if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R300 && + dev->pdev->device != 0x4144) || ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R350)) { dev_priv->num_gb_pipes = 2; } else { - /* R3Vxx */ + /* RV3xx/R300 AD */ dev_priv->num_gb_pipes = 1; } } @@ -736,7 +738,7 @@ static int radeon_do_engine_reset(struct drm_device * dev) /* setup the raster pipes */ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R300) - radeon_init_pipes(dev_priv); + radeon_init_pipes(dev); /* Reset the CP ring */ radeon_do_cp_reset(dev_priv); diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c index e9d0850..9933c2c 100644 --- a/drivers/gpu/drm/radeon/radeon_cs.c +++ b/drivers/gpu/drm/radeon/radeon_cs.c @@ -193,11 +193,13 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error) radeon_bo_list_fence(&parser->validated, parser->ib->fence); } radeon_bo_list_unreserve(&parser->validated); - for (i = 0; i < parser->nrelocs; i++) { - if (parser->relocs[i].gobj) { - mutex_lock(&parser->rdev->ddev->struct_mutex); - drm_gem_object_unreference(parser->relocs[i].gobj); - mutex_unlock(&parser->rdev->ddev->struct_mutex); + if (parser->relocs != NULL) { + for (i = 0; i < parser->nrelocs; i++) { + if (parser->relocs[i].gobj) { + mutex_lock(&parser->rdev->ddev->struct_mutex); + drm_gem_object_unreference(parser->relocs[i].gobj); + mutex_unlock(&parser->rdev->ddev->struct_mutex); + } } } kfree(parser->track); @@ -246,7 +248,8 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) } r = radeon_cs_parser_relocs(&parser); if (r) { - DRM_ERROR("Failed to parse relocation !\n"); + if (r != -ERESTARTSYS) + DRM_ERROR("Failed to parse relocation %d!\n", r); radeon_cs_parser_fini(&parser, r); mutex_unlock(&rdev->cs_mutex); return r; diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 768b150..509ba3f 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -655,6 +655,14 @@ int radeon_device_init(struct radeon_device *rdev, return r; radeon_check_arguments(rdev); + /* all of the newer IGP chips have an internal gart + * However some rs4xx report as AGP, so remove that here. + */ + if ((rdev->family >= CHIP_RS400) && + (rdev->flags & RADEON_IS_IGP)) { + rdev->flags &= ~RADEON_IS_AGP; + } + if (rdev->flags & RADEON_IS_AGP && radeon_agpmode == -1) { radeon_agp_disable(rdev); } diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index 3c91724..7626bd5 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -1276,8 +1276,12 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder, case ENCODER_OBJECT_ID_INTERNAL_DAC2: case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2: atombios_dac_setup(encoder, ATOM_ENABLE); - if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) - atombios_tv_setup(encoder, ATOM_ENABLE); + if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) { + if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) + atombios_tv_setup(encoder, ATOM_ENABLE); + else + atombios_tv_setup(encoder, ATOM_DISABLE); + } break; } atombios_apply_encoder_quirks(encoder, adjusted_mode); diff --git a/drivers/gpu/drm/radeon/radeon_legacy_tv.c b/drivers/gpu/drm/radeon/radeon_legacy_tv.c index 417684d..f2ed27c 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_tv.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_tv.c @@ -57,6 +57,10 @@ #define NTSC_TV_PLL_N_14 693 #define NTSC_TV_PLL_P_14 7 +#define PAL_TV_PLL_M_14 19 +#define PAL_TV_PLL_N_14 353 +#define PAL_TV_PLL_P_14 5 + #define VERT_LEAD_IN_LINES 2 #define FRAC_BITS 0xe #define FRAC_MASK 0x3fff @@ -205,9 +209,24 @@ static const struct radeon_tv_mode_constants available_tv_modes[] = { 630627, /* defRestart */ 347, /* crtcPLL_N */ 14, /* crtcPLL_M */ - 8, /* crtcPLL_postDiv */ + 8, /* crtcPLL_postDiv */ 1022, /* pixToTV */ }, + { /* PAL timing for 14 Mhz ref clk */ + 800, /* horResolution */ + 600, /* verResolution */ + TV_STD_PAL, /* standard */ + 1131, /* horTotal */ + 742, /* verTotal */ + 813, /* horStart */ + 840, /* horSyncStart */ + 633, /* verSyncStart */ + 708369, /* defRestart */ + 211, /* crtcPLL_N */ + 9, /* crtcPLL_M */ + 8, /* crtcPLL_postDiv */ + 759, /* pixToTV */ + }, }; #define N_AVAILABLE_MODES ARRAY_SIZE(available_tv_modes) @@ -242,7 +261,7 @@ static const struct radeon_tv_mode_constants *radeon_legacy_tv_get_std_mode(stru if (pll->reference_freq == 2700) const_ptr = &available_tv_modes[1]; else - const_ptr = &available_tv_modes[1]; /* FIX ME */ + const_ptr = &available_tv_modes[3]; } return const_ptr; } @@ -685,9 +704,9 @@ void radeon_legacy_tv_mode_set(struct drm_encoder *encoder, n = PAL_TV_PLL_N_27; p = PAL_TV_PLL_P_27; } else { - m = PAL_TV_PLL_M_27; - n = PAL_TV_PLL_N_27; - p = PAL_TV_PLL_P_27; + m = PAL_TV_PLL_M_14; + n = PAL_TV_PLL_N_14; + p = PAL_TV_PLL_P_14; } } diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index c381856..a27c09f 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -175,7 +175,7 @@ void rs600_gart_tlb_flush(struct radeon_device *rdev) WREG32_MC(R_000100_MC_PT0_CNTL, tmp); tmp = RREG32_MC(R_000100_MC_PT0_CNTL); - tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) & S_000100_INVALIDATE_L2_CACHE(1); + tmp |= S_000100_INVALIDATE_ALL_L1_TLBS(1) | S_000100_INVALIDATE_L2_CACHE(1); WREG32_MC(R_000100_MC_PT0_CNTL, tmp); tmp = RREG32_MC(R_000100_MC_PT0_CNTL); diff --git a/drivers/hid/hid-gyration.c b/drivers/hid/hid-gyration.c index cab13e8..62416e6 100644 --- a/drivers/hid/hid-gyration.c +++ b/drivers/hid/hid-gyration.c @@ -53,10 +53,13 @@ static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi, static int gyration_event(struct hid_device *hdev, struct hid_field *field, struct hid_usage *usage, __s32 value) { - struct input_dev *input = field->hidinput->input; + + if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput) + return 0; if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK && (usage->hid & 0xff) == 0x82) { + struct input_dev *input = field->hidinput->input; input_event(input, usage->type, usage->code, 1); input_sync(input); input_event(input, usage->type, usage->code, 0); diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c index 864a371..fbc997e 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c @@ -302,13 +302,13 @@ error_ret: **/ static inline int sht15_calc_temp(struct sht15_data *data) { - int d1 = 0; + int d1 = temppoints[0].d1; int i; - for (i = 1; i < ARRAY_SIZE(temppoints); i++) + for (i = ARRAY_SIZE(temppoints) - 1; i > 0; i--) /* Find pointer to interpolate */ if (data->supply_uV > temppoints[i - 1].vdd) { - d1 = (data->supply_uV/1000 - temppoints[i - 1].vdd) + d1 = (data->supply_uV - temppoints[i - 1].vdd) * (temppoints[i].d1 - temppoints[i - 1].d1) / (temppoints[i].vdd - temppoints[i - 1].vdd) + temppoints[i - 1].d1; @@ -541,7 +541,12 @@ static int __devinit sht15_probe(struct platform_device *pdev) /* If a regulator is available, query what the supply voltage actually is!*/ data->reg = regulator_get(data->dev, "vcc"); if (!IS_ERR(data->reg)) { - data->supply_uV = regulator_get_voltage(data->reg); + int voltage; + + voltage = regulator_get_voltage(data->reg); + if (voltage) + data->supply_uV = voltage; + regulator_enable(data->reg); /* setup a notifier block to update this if another device * causes the voltage to change */ diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 5f318ce..cb9f95c 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -77,7 +77,7 @@ config I2C_AMD8111 will be called i2c-amd8111. config I2C_I801 - tristate "Intel 82801 (ICH)" + tristate "Intel 82801 (ICH/PCH)" depends on PCI help If you say yes to this option, support will be included for the Intel @@ -97,7 +97,8 @@ config I2C_I801 ICH9 Tolapai ICH10 - PCH + 3400/5 Series (PCH) + Cougar Point (PCH) This driver can also be built as a module. If so, the module will be called i2c-i801. diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 5574be2..e361da7 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -41,7 +41,8 @@ Tolapai 0x5032 32 hard yes yes yes ICH10 0x3a30 32 hard yes yes yes ICH10 0x3a60 32 hard yes yes yes - PCH 0x3b30 32 hard yes yes yes + 3400/5 Series (PCH) 0x3b30 32 hard yes yes yes + Cougar Point (PCH) 0x1c22 32 hard yes yes yes Features supported by this driver: Software PEC no @@ -580,6 +581,7 @@ static struct pci_device_id i801_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_4) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_5) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PCH_SMBUS) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CPT_SMBUS) }, { 0, } }; @@ -709,6 +711,7 @@ static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id case PCI_DEVICE_ID_INTEL_ICH10_4: case PCI_DEVICE_ID_INTEL_ICH10_5: case PCI_DEVICE_ID_INTEL_PCH_SMBUS: + case PCI_DEVICE_ID_INTEL_CPT_SMBUS: i801_features |= FEATURE_I2C_BLOCK_READ; /* fall through */ case PCI_DEVICE_ID_INTEL_82801DB_3: diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 30bdf42..f8302c2 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -752,6 +752,8 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_ if (++priv->tx_outstanding == ipoib_sendq_size) { ipoib_dbg(priv, "TX ring 0x%x full, stopping kernel net queue\n", tx->qp->qp_num); + if (ib_req_notify_cq(priv->send_cq, IB_CQ_NEXT_COMP)) + ipoib_warn(priv, "request notify on send CQ failed\n"); netif_stop_queue(dev); } } diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c index fbd3987..e8d65b3 100644 --- a/drivers/input/sparse-keymap.c +++ b/drivers/input/sparse-keymap.c @@ -161,7 +161,7 @@ int sparse_keymap_setup(struct input_dev *dev, return 0; err_out: - kfree(keymap); + kfree(map); return error; } diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index 072f33b..e53ddc5 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -644,13 +644,15 @@ static int wacom_resume(struct usb_interface *intf) int rv; mutex_lock(&wacom->lock); - if (wacom->open) { + + /* switch to wacom mode first */ + wacom_query_tablet_data(intf, features); + + if (wacom->open) rv = usb_submit_urb(wacom->irq, GFP_NOIO); - /* switch to wacom mode if needed */ - if (!wacom_retrieve_hid_descriptor(intf, features)) - wacom_query_tablet_data(intf, features); - } else + else rv = 0; + mutex_unlock(&wacom->lock); return rv; diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index e3cf568..d7500e1 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -285,7 +285,8 @@ retry: up_write(&_hash_lock); } -static int dm_hash_rename(uint32_t cookie, const char *old, const char *new) +static int dm_hash_rename(uint32_t cookie, uint32_t *flags, const char *old, + const char *new) { char *new_name, *old_name; struct hash_cell *hc; @@ -344,7 +345,8 @@ static int dm_hash_rename(uint32_t cookie, const char *old, const char *new) dm_table_put(table); } - dm_kobject_uevent(hc->md, KOBJ_CHANGE, cookie); + if (!dm_kobject_uevent(hc->md, KOBJ_CHANGE, cookie)) + *flags |= DM_UEVENT_GENERATED_FLAG; dm_put(hc->md); up_write(&_hash_lock); @@ -736,10 +738,10 @@ static int dev_remove(struct dm_ioctl *param, size_t param_size) __hash_remove(hc); up_write(&_hash_lock); - dm_kobject_uevent(md, KOBJ_REMOVE, param->event_nr); + if (!dm_kobject_uevent(md, KOBJ_REMOVE, param->event_nr)) + param->flags |= DM_UEVENT_GENERATED_FLAG; dm_put(md); - param->data_size = 0; return 0; } @@ -773,7 +775,9 @@ static int dev_rename(struct dm_ioctl *param, size_t param_size) return r; param->data_size = 0; - return dm_hash_rename(param->event_nr, param->name, new_name); + + return dm_hash_rename(param->event_nr, ¶m->flags, param->name, + new_name); } static int dev_set_geometry(struct dm_ioctl *param, size_t param_size) @@ -899,8 +903,8 @@ static int do_resume(struct dm_ioctl *param) if (dm_suspended_md(md)) { r = dm_resume(md); - if (!r) - dm_kobject_uevent(md, KOBJ_CHANGE, param->event_nr); + if (!r && !dm_kobject_uevent(md, KOBJ_CHANGE, param->event_nr)) + param->flags |= DM_UEVENT_GENERATED_FLAG; } if (old_map) @@ -1477,6 +1481,7 @@ static int validate_params(uint cmd, struct dm_ioctl *param) { /* Always clear this flag */ param->flags &= ~DM_BUFFER_FULL_FLAG; + param->flags &= ~DM_UEVENT_GENERATED_FLAG; /* Ignores parameters */ if (cmd == DM_REMOVE_ALL_CMD || diff --git a/drivers/md/dm.c b/drivers/md/dm.c index fa786b9..fe8889e 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -2618,18 +2618,19 @@ out: /*----------------------------------------------------------------- * Event notification. *---------------------------------------------------------------*/ -void dm_kobject_uevent(struct mapped_device *md, enum kobject_action action, +int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action, unsigned cookie) { char udev_cookie[DM_COOKIE_LENGTH]; char *envp[] = { udev_cookie, NULL }; if (!cookie) - kobject_uevent(&disk_to_dev(md->disk)->kobj, action); + return kobject_uevent(&disk_to_dev(md->disk)->kobj, action); else { snprintf(udev_cookie, DM_COOKIE_LENGTH, "%s=%u", DM_COOKIE_ENV_VAR_NAME, cookie); - kobject_uevent_env(&disk_to_dev(md->disk)->kobj, action, envp); + return kobject_uevent_env(&disk_to_dev(md->disk)->kobj, + action, envp); } } diff --git a/drivers/md/dm.h b/drivers/md/dm.h index 8dadaa5..bad1724 100644 --- a/drivers/md/dm.h +++ b/drivers/md/dm.h @@ -125,8 +125,8 @@ void dm_stripe_exit(void); int dm_open_count(struct mapped_device *md); int dm_lock_for_deletion(struct mapped_device *md); -void dm_kobject_uevent(struct mapped_device *md, enum kobject_action action, - unsigned cookie); +int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action, + unsigned cookie); int dm_io_init(void); void dm_io_exit(void); diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 00435bd..001317b 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -172,12 +172,14 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks) disk_stack_limits(mddev->gendisk, rdev->bdev, rdev->data_offset << 9); /* as we don't honour merge_bvec_fn, we must never risk - * violating it, so limit ->max_sector to one PAGE, as - * a one page request is never in violation. + * violating it, so limit max_phys_segments to 1 lying within + * a single page. */ - if (rdev->bdev->bd_disk->queue->merge_bvec_fn && - queue_max_sectors(mddev->queue) > (PAGE_SIZE>>9)) - blk_queue_max_sectors(mddev->queue, PAGE_SIZE>>9); + if (rdev->bdev->bd_disk->queue->merge_bvec_fn) { + blk_queue_max_phys_segments(mddev->queue, 1); + blk_queue_segment_boundary(mddev->queue, + PAGE_CACHE_SIZE - 1); + } conf->array_sectors += rdev->sectors; cnt++; diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c index 32a662f..f9ee99f 100644 --- a/drivers/md/multipath.c +++ b/drivers/md/multipath.c @@ -301,14 +301,16 @@ static int multipath_add_disk(mddev_t *mddev, mdk_rdev_t *rdev) rdev->data_offset << 9); /* as we don't honour merge_bvec_fn, we must never risk - * violating it, so limit ->max_sector to one PAGE, as - * a one page request is never in violation. + * violating it, so limit ->max_phys_segments to one, lying + * within a single page. * (Note: it is very unlikely that a device with * merge_bvec_fn will be involved in multipath.) */ - if (q->merge_bvec_fn && - queue_max_sectors(q) > (PAGE_SIZE>>9)) - blk_queue_max_sectors(mddev->queue, PAGE_SIZE>>9); + if (q->merge_bvec_fn) { + blk_queue_max_phys_segments(mddev->queue, 1); + blk_queue_segment_boundary(mddev->queue, + PAGE_CACHE_SIZE - 1); + } conf->working_disks++; mddev->degraded--; @@ -476,9 +478,11 @@ static int multipath_run (mddev_t *mddev) /* as we don't honour merge_bvec_fn, we must never risk * violating it, not that we ever expect a device with * a merge_bvec_fn to be involved in multipath */ - if (rdev->bdev->bd_disk->queue->merge_bvec_fn && - queue_max_sectors(mddev->queue) > (PAGE_SIZE>>9)) - blk_queue_max_sectors(mddev->queue, PAGE_SIZE>>9); + if (rdev->bdev->bd_disk->queue->merge_bvec_fn) { + blk_queue_max_phys_segments(mddev->queue, 1); + blk_queue_segment_boundary(mddev->queue, + PAGE_CACHE_SIZE - 1); + } if (!test_bit(Faulty, &rdev->flags)) conf->working_disks++; diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c index 77605cd..41ee9de 100644 --- a/drivers/md/raid0.c +++ b/drivers/md/raid0.c @@ -176,14 +176,15 @@ static int create_strip_zones(mddev_t *mddev) disk_stack_limits(mddev->gendisk, rdev1->bdev, rdev1->data_offset << 9); /* as we don't honour merge_bvec_fn, we must never risk - * violating it, so limit ->max_sector to one PAGE, as - * a one page request is never in violation. + * violating it, so limit ->max_phys_segments to 1, lying within + * a single page. */ - if (rdev1->bdev->bd_disk->queue->merge_bvec_fn && - queue_max_sectors(mddev->queue) > (PAGE_SIZE>>9)) - blk_queue_max_sectors(mddev->queue, PAGE_SIZE>>9); - + if (rdev1->bdev->bd_disk->queue->merge_bvec_fn) { + blk_queue_max_phys_segments(mddev->queue, 1); + blk_queue_segment_boundary(mddev->queue, + PAGE_CACHE_SIZE - 1); + } if (!smallest || (rdev1->sectors < smallest->sectors)) smallest = rdev1; cnt++; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index d119b7b..047c468 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1155,13 +1155,17 @@ static int raid10_add_disk(mddev_t *mddev, mdk_rdev_t *rdev) disk_stack_limits(mddev->gendisk, rdev->bdev, rdev->data_offset << 9); - /* as we don't honour merge_bvec_fn, we must never risk - * violating it, so limit ->max_sector to one PAGE, as - * a one page request is never in violation. + /* as we don't honour merge_bvec_fn, we must + * never risk violating it, so limit + * ->max_phys_segments to one lying with a single + * page, as a one page request is never in + * violation. */ - if (rdev->bdev->bd_disk->queue->merge_bvec_fn && - queue_max_sectors(mddev->queue) > (PAGE_SIZE>>9)) - blk_queue_max_sectors(mddev->queue, PAGE_SIZE>>9); + if (rdev->bdev->bd_disk->queue->merge_bvec_fn) { + blk_queue_max_phys_segments(mddev->queue, 1); + blk_queue_segment_boundary(mddev->queue, + PAGE_CACHE_SIZE - 1); + } p->head_position = 0; rdev->raid_disk = mirror; @@ -2255,12 +2259,14 @@ static int run(mddev_t *mddev) disk_stack_limits(mddev->gendisk, rdev->bdev, rdev->data_offset << 9); /* as we don't honour merge_bvec_fn, we must never risk - * violating it, so limit ->max_sector to one PAGE, as - * a one page request is never in violation. + * violating it, so limit max_phys_segments to 1 lying + * within a single page. */ - if (rdev->bdev->bd_disk->queue->merge_bvec_fn && - queue_max_sectors(mddev->queue) > (PAGE_SIZE>>9)) - blk_queue_max_sectors(mddev->queue, PAGE_SIZE>>9); + if (rdev->bdev->bd_disk->queue->merge_bvec_fn) { + blk_queue_max_phys_segments(mddev->queue, 1); + blk_queue_segment_boundary(mddev->queue, + PAGE_CACHE_SIZE - 1); + } disk->head_position = 0; } diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 57f149b..4d353d2 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -660,6 +660,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter) i = 0; } + if (i == tx_ring->next_to_use) + break; eop = tx_ring->buffer_info[i].next_to_watch; eop_desc = E1000_TX_DESC(*tx_ring, eop); } diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 67d414b..3db85da 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -3255,8 +3255,8 @@ static void rtl8169_set_rxbufsize(struct rtl8169_private *tp, unsigned int max_frame = mtu + VLAN_ETH_HLEN + ETH_FCS_LEN; if (max_frame != 16383) - printk(KERN_WARNING "WARNING! Changing of MTU on this NIC" - "May lead to frame reception errors!\n"); + printk(KERN_WARNING PFX "WARNING! Changing of MTU on this " + "NIC may lead to frame reception errors!\n"); tp->rx_buf_sz = (max_frame > RX_BUF_SIZE) ? max_frame : RX_BUF_SIZE; } diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c index e0799d9..0387658 100644 --- a/drivers/net/wireless/ath/ar9170/usb.c +++ b/drivers/net/wireless/ath/ar9170/usb.c @@ -414,7 +414,7 @@ static int ar9170_usb_exec_cmd(struct ar9170 *ar, enum ar9170_cmd cmd, spin_unlock_irqrestore(&aru->common.cmdlock, flags); usb_fill_int_urb(urb, aru->udev, - usb_sndbulkpipe(aru->udev, AR9170_EP_CMD), + usb_sndintpipe(aru->udev, AR9170_EP_CMD), aru->common.cmdbuf, plen + 4, ar9170_usb_tx_urb_complete, NULL, 1); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 33a1071..7b1eab4 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -2721,8 +2721,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) all_wiphys_idle = ath9k_all_wiphys_idle(sc); ath9k_set_wiphy_idle(aphy, idle); - if (!idle && all_wiphys_idle) - enable_radio = true; + enable_radio = (!idle && all_wiphys_idle); /* * After we unlock here its possible another wiphy diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig index 64c12e1..0a00d42 100644 --- a/drivers/net/wireless/b43/Kconfig +++ b/drivers/net/wireless/b43/Kconfig @@ -78,11 +78,11 @@ config B43_SDIO If unsure, say N. -# Data transfers to the device via PIO -# This is only needed on PCMCIA and SDIO devices. All others can do DMA properly. +#Data transfers to the device via PIO. We want it as a fallback even +# if we can do DMA. config B43_PIO bool - depends on B43 && (B43_SDIO || B43_PCMCIA || B43_FORCE_PIO) + depends on B43 select SSB_BLOCKIO default y diff --git a/drivers/net/wireless/b43/Makefile b/drivers/net/wireless/b43/Makefile index 84772a2..5e83b6f 100644 --- a/drivers/net/wireless/b43/Makefile +++ b/drivers/net/wireless/b43/Makefile @@ -12,7 +12,7 @@ b43-y += xmit.o b43-y += lo.o b43-y += wa.o b43-y += dma.o -b43-$(CONFIG_B43_PIO) += pio.o +b43-y += pio.o b43-y += rfkill.o b43-$(CONFIG_B43_LEDS) += leds.o b43-$(CONFIG_B43_PCMCIA) += pcmcia.o diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h index c484cc2..7df822e 100644 --- a/drivers/net/wireless/b43/b43.h +++ b/drivers/net/wireless/b43/b43.h @@ -694,6 +694,7 @@ struct b43_wldev { bool radio_hw_enable; /* saved state of radio hardware enabled state */ bool qos_enabled; /* TRUE, if QoS is used. */ bool hwcrypto_enabled; /* TRUE, if HW crypto acceleration is enabled. */ + bool use_pio; /* TRUE if next init should use PIO */ /* PHY/Radio device. */ struct b43_phy phy; @@ -822,11 +823,9 @@ struct b43_wl { /* The device LEDs. */ struct b43_leds leds; -#ifdef CONFIG_B43_PIO /* Kmalloc'ed scratch space for PIO TX/RX. Protected by wl->mutex. */ u8 pio_scratchspace[110] __attribute__((__aligned__(8))); u8 pio_tailspace[4] __attribute__((__aligned__(8))); -#endif /* CONFIG_B43_PIO */ }; static inline struct b43_wl *hw_to_b43_wl(struct ieee80211_hw *hw) @@ -877,20 +876,15 @@ static inline void b43_write32(struct b43_wldev *dev, u16 offset, u32 value) static inline bool b43_using_pio_transfers(struct b43_wldev *dev) { -#ifdef CONFIG_B43_PIO return dev->__using_pio_transfers; -#else - return 0; -#endif } #ifdef CONFIG_B43_FORCE_PIO -# define B43_FORCE_PIO 1 +# define B43_PIO_DEFAULT 1 #else -# define B43_FORCE_PIO 0 +# define B43_PIO_DEFAULT 0 #endif - /* Message printing */ void b43info(struct b43_wl *wl, const char *fmt, ...) __attribute__ ((format(printf, 2, 3))); diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index 88d1fd0..615af22 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -1653,7 +1653,6 @@ void b43_dma_tx_resume(struct b43_wldev *dev) b43_power_saving_ctl_bits(dev, 0); } -#ifdef CONFIG_B43_PIO static void direct_fifo_rx(struct b43_wldev *dev, enum b43_dmatype type, u16 mmio_base, bool enable) { @@ -1687,4 +1686,3 @@ void b43_dma_direct_fifo_rx(struct b43_wldev *dev, mmio_base = b43_dmacontroller_base(type, engine_index); direct_fifo_rx(dev, type, mmio_base, enable); } -#endif /* CONFIG_B43_PIO */ diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 629c166..9eb4f5e 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -102,6 +102,9 @@ int b43_modparam_verbose = B43_VERBOSITY_DEFAULT; module_param_named(verbose, b43_modparam_verbose, int, 0644); MODULE_PARM_DESC(verbose, "Log message verbosity: 0=error, 1=warn, 2=info(default), 3=debug"); +int b43_modparam_pio = B43_PIO_DEFAULT; +module_param_named(pio, b43_modparam_pio, int, 0644); +MODULE_PARM_DESC(pio, "Use PIO accesses by default: 0=DMA, 1=PIO"); static const struct ssb_device_id b43_ssb_tbl[] = { SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_80211, 5), @@ -1790,8 +1793,9 @@ static void b43_do_interrupt_thread(struct b43_wldev *dev) dma_reason[4], dma_reason[5]); b43err(dev->wl, "This device does not support DMA " "on your system. Please use PIO instead.\n"); - b43err(dev->wl, "CONFIG_B43_FORCE_PIO must be set in " - "your kernel configuration.\n"); + /* Fall back to PIO transfers if we get fatal DMA errors! */ + dev->use_pio = 1; + b43_controller_restart(dev, "DMA error"); return; } if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) { @@ -4358,7 +4362,7 @@ static int b43_wireless_core_init(struct b43_wldev *dev) if ((dev->dev->bus->bustype == SSB_BUSTYPE_PCMCIA) || (dev->dev->bus->bustype == SSB_BUSTYPE_SDIO) || - B43_FORCE_PIO) { + dev->use_pio) { dev->__using_pio_transfers = 1; err = b43_pio_init(dev); } else { @@ -4826,6 +4830,7 @@ static int b43_one_core_attach(struct ssb_device *dev, struct b43_wl *wl) if (!wldev) goto out; + wldev->use_pio = b43_modparam_pio; wldev->dev = dev; wldev->wl = wl; b43_set_status(wldev, B43_STAT_UNINIT); diff --git a/drivers/net/wireless/b43/pio.h b/drivers/net/wireless/b43/pio.h index 7dd649c..7b3c42f 100644 --- a/drivers/net/wireless/b43/pio.h +++ b/drivers/net/wireless/b43/pio.h @@ -55,8 +55,6 @@ #define B43_PIO_MAX_NR_TXPACKETS 32 -#ifdef CONFIG_B43_PIO - struct b43_pio_txpacket { /* Pointer to the TX queue we belong to. */ struct b43_pio_txqueue *queue; @@ -169,42 +167,4 @@ void b43_pio_rx(struct b43_pio_rxqueue *q); void b43_pio_tx_suspend(struct b43_wldev *dev); void b43_pio_tx_resume(struct b43_wldev *dev); - -#else /* CONFIG_B43_PIO */ - - -static inline int b43_pio_init(struct b43_wldev *dev) -{ - return 0; -} -static inline void b43_pio_free(struct b43_wldev *dev) -{ -} -static inline void b43_pio_stop(struct b43_wldev *dev) -{ -} -static inline int b43_pio_tx(struct b43_wldev *dev, - struct sk_buff *skb) -{ - return 0; -} -static inline void b43_pio_handle_txstatus(struct b43_wldev *dev, - const struct b43_txstatus *status) -{ -} -static inline void b43_pio_get_tx_stats(struct b43_wldev *dev, - struct ieee80211_tx_queue_stats *stats) -{ -} -static inline void b43_pio_rx(struct b43_pio_rxqueue *q) -{ -} -static inline void b43_pio_tx_suspend(struct b43_wldev *dev) -{ -} -static inline void b43_pio_tx_resume(struct b43_wldev *dev) -{ -} - -#endif /* CONFIG_B43_PIO */ #endif /* B43_PIO_H_ */ diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index 3146281..3b4c5a4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -581,6 +581,8 @@ static int iwl4965_alive_notify(struct iwl_priv *priv) iwl4965_set_wr_ptrs(priv, IWL_CMD_QUEUE_NUM, 0); + /* reset to 0 to enable all the queue first */ + priv->txq_ctx_active_msk = 0; /* Map each Tx/cmd queue to its corresponding fifo */ for (i = 0; i < ARRAY_SIZE(default_queue_to_tx_fifo); i++) { int ac = default_queue_to_tx_fifo[i]; @@ -2008,7 +2010,9 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv, IWL_DEBUG_TX_REPLY(priv, "Retry scheduler reclaim scd_ssn " "%d index %d\n", scd_ssn , index); freed = iwl_tx_queue_reclaim(priv, txq_id, index); - iwl_free_tfds_in_queue(priv, sta_id, tid, freed); + if (qc) + iwl_free_tfds_in_queue(priv, sta_id, + tid, freed); if (priv->mac80211_registered && (iwl_queue_space(&txq->q) > txq->q.low_mark) && @@ -2035,13 +2039,14 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv, freed = iwl_tx_queue_reclaim(priv, txq_id, index); if (qc && likely(sta_id != IWL_INVALID_STATION)) - priv->stations[sta_id].tid[tid].tfds_in_queue -= freed; + iwl_free_tfds_in_queue(priv, sta_id, tid, freed); + else if (sta_id == IWL_INVALID_STATION) + IWL_DEBUG_TX_REPLY(priv, "Station not known\n"); if (priv->mac80211_registered && (iwl_queue_space(&txq->q) > txq->q.low_mark)) iwl_wake_queue(priv, txq_id); } - if (qc && likely(sta_id != IWL_INVALID_STATION)) iwl_txq_check_empty(priv, sta_id, tid, txq_id); diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index cffaae7..c610e5f 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -657,6 +657,8 @@ int iwl5000_alive_notify(struct iwl_priv *priv) iwl5000_set_wr_ptrs(priv, IWL_CMD_QUEUE_NUM, 0); + /* reset to 0 to enable all the queue first */ + priv->txq_ctx_active_msk = 0; /* map qos queues to fifos one-to-one */ for (i = 0; i < ARRAY_SIZE(iwl5000_default_queue_to_tx_fifo); i++) { int ac = iwl5000_default_queue_to_tx_fifo[i]; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 1c9866d..5622a55 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2461,7 +2461,7 @@ static int iwl_setup_mac(struct iwl_priv *priv) BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); - hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY | + hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | WIPHY_FLAG_DISABLE_BEACON_HINTS; /* diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index fa1c89b..8f1b850 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -404,21 +404,6 @@ EXPORT_SYMBOL(iwl_init_scan_params); static int iwl_scan_initiate(struct iwl_priv *priv) { - if (!iwl_is_ready_rf(priv)) { - IWL_DEBUG_SCAN(priv, "Aborting scan due to not ready.\n"); - return -EIO; - } - - if (test_bit(STATUS_SCANNING, &priv->status)) { - IWL_DEBUG_SCAN(priv, "Scan already in progress.\n"); - return -EAGAIN; - } - - if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) { - IWL_DEBUG_SCAN(priv, "Scan request while abort pending\n"); - return -EAGAIN; - } - IWL_DEBUG_INFO(priv, "Starting scan...\n"); set_bit(STATUS_SCANNING, &priv->status); priv->scan_start = jiffies; @@ -449,6 +434,18 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw, goto out_unlock; } + if (test_bit(STATUS_SCANNING, &priv->status)) { + IWL_DEBUG_SCAN(priv, "Scan already in progress.\n"); + ret = -EAGAIN; + goto out_unlock; + } + + if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) { + IWL_DEBUG_SCAN(priv, "Scan request while abort pending\n"); + ret = -EAGAIN; + goto out_unlock; + } + /* We don't schedule scan within next_scan_jiffies period. * Avoid scanning during possible EAPOL exchange, return * success immediately. diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index f297865..adbb3ea 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -1926,7 +1926,7 @@ static void iwl3945_init_hw_rates(struct iwl_priv *priv, { int i; - for (i = 0; i < IWL_RATE_COUNT; i++) { + for (i = 0; i < IWL_RATE_COUNT_LEGACY; i++) { rates[i].bitrate = iwl3945_rates[i].ieee * 5; rates[i].hw_value = i; /* Rate scaling will work on indexes */ rates[i].hw_value_short = i; @@ -3903,7 +3903,7 @@ static int iwl3945_setup_mac(struct iwl_priv *priv) BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); - hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY | + hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | WIPHY_FLAG_DISABLE_BEACON_HINTS; hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX_3945; diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 3245d33..c4fead1 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -2612,6 +2612,23 @@ int pci_resource_bar(struct pci_dev *dev, int resno, enum pci_bar_type *type) return 0; } +/* Some architectures require additional programming to enable VGA */ +static arch_set_vga_state_t arch_set_vga_state; + +void __init pci_register_set_vga_state(arch_set_vga_state_t func) +{ + arch_set_vga_state = func; /* NULL disables */ +} + +static int pci_set_vga_state_arch(struct pci_dev *dev, bool decode, + unsigned int command_bits, bool change_bridge) +{ + if (arch_set_vga_state) + return arch_set_vga_state(dev, decode, command_bits, + change_bridge); + return 0; +} + /** * pci_set_vga_state - set VGA decode state on device and parents if requested * @dev: the PCI device @@ -2625,9 +2642,15 @@ int pci_set_vga_state(struct pci_dev *dev, bool decode, struct pci_bus *bus; struct pci_dev *bridge; u16 cmd; + int rc; WARN_ON(command_bits & ~(PCI_COMMAND_IO|PCI_COMMAND_MEMORY)); + /* ARCH specific VGA enables */ + rc = pci_set_vga_state_arch(dev, decode, command_bits, change_bridge); + if (rc) + return rc; + pci_read_config_word(dev, PCI_COMMAND, &cmd); if (decode == true) cmd |= command_bits; @@ -2874,4 +2897,3 @@ EXPORT_SYMBOL(pci_target_state); EXPORT_SYMBOL(pci_prepare_to_sleep); EXPORT_SYMBOL(pci_back_from_sleep); EXPORT_SYMBOL_GPL(pci_set_pcie_reset_state); - diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index c28a712..e6b67f2 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -3027,14 +3027,15 @@ static void iscsi_start_session_recovery(struct iscsi_session *session, session->state = ISCSI_STATE_TERMINATE; else if (conn->stop_stage != STOP_CONN_RECOVER) session->state = ISCSI_STATE_IN_RECOVERY; + + old_stop_stage = conn->stop_stage; + conn->stop_stage = flag; spin_unlock_bh(&session->lock); del_timer_sync(&conn->transport_timer); iscsi_suspend_tx(conn); spin_lock_bh(&session->lock); - old_stop_stage = conn->stop_stage; - conn->stop_stage = flag; conn->c_stage = ISCSI_CONN_STOPPED; spin_unlock_bh(&session->lock); diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 34d4eb9..db6b071 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -170,6 +170,7 @@ static void acm_write_done(struct acm *acm, struct acm_wb *wb) { wb->use = 0; acm->transmitting--; + usb_autopm_put_interface_async(acm->control); } /* @@ -211,9 +212,12 @@ static int acm_write_start(struct acm *acm, int wbn) } dbg("%s susp_count: %d", __func__, acm->susp_count); + usb_autopm_get_interface_async(acm->control); if (acm->susp_count) { - acm->delayed_wb = wb; - schedule_work(&acm->waker); + if (!acm->delayed_wb) + acm->delayed_wb = wb; + else + usb_autopm_put_interface_async(acm->control); spin_unlock_irqrestore(&acm->write_lock, flags); return 0; /* A white lie */ } @@ -534,23 +538,6 @@ static void acm_softint(struct work_struct *work) tty_kref_put(tty); } -static void acm_waker(struct work_struct *waker) -{ - struct acm *acm = container_of(waker, struct acm, waker); - int rv; - - rv = usb_autopm_get_interface(acm->control); - if (rv < 0) { - dev_err(&acm->dev->dev, "Autopm failure in %s\n", __func__); - return; - } - if (acm->delayed_wb) { - acm_start_wb(acm, acm->delayed_wb); - acm->delayed_wb = NULL; - } - usb_autopm_put_interface(acm->control); -} - /* * TTY handlers */ @@ -1178,7 +1165,6 @@ made_compressed_probe: acm->urb_task.func = acm_rx_tasklet; acm->urb_task.data = (unsigned long) acm; INIT_WORK(&acm->work, acm_softint); - INIT_WORK(&acm->waker, acm_waker); init_waitqueue_head(&acm->drain_wait); spin_lock_init(&acm->throttle_lock); spin_lock_init(&acm->write_lock); @@ -1343,7 +1329,6 @@ static void stop_data_traffic(struct acm *acm) tasklet_enable(&acm->urb_task); cancel_work_sync(&acm->work); - cancel_work_sync(&acm->waker); } static void acm_disconnect(struct usb_interface *intf) @@ -1435,6 +1420,7 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message) static int acm_resume(struct usb_interface *intf) { struct acm *acm = usb_get_intfdata(intf); + struct acm_wb *wb; int rv = 0; int cnt; @@ -1449,6 +1435,21 @@ static int acm_resume(struct usb_interface *intf) mutex_lock(&acm->mutex); if (acm->port.count) { rv = usb_submit_urb(acm->ctrlurb, GFP_NOIO); + + spin_lock_irq(&acm->write_lock); + if (acm->delayed_wb) { + wb = acm->delayed_wb; + acm->delayed_wb = NULL; + spin_unlock_irq(&acm->write_lock); + acm_start_wb(acm, wb); + } else { + spin_unlock_irq(&acm->write_lock); + } + + /* + * delayed error checking because we must + * do the write path at all cost + */ if (rv < 0) goto err_out; diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index c4a0ee8..519eb63 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -112,7 +112,6 @@ struct acm { struct mutex mutex; struct usb_cdc_line_coding line; /* bits, stop, parity */ struct work_struct work; /* work queue entry for line discipline waking up */ - struct work_struct waker; wait_queue_head_t drain_wait; /* close processing */ struct tasklet_struct urb_task; /* rx processing */ spinlock_t throttle_lock; /* synchronize throtteling and read callback */ diff --git a/drivers/video/backlight/mbp_nvidia_bl.c b/drivers/video/backlight/mbp_nvidia_bl.c index 2e78b07..9804ee9 100644 --- a/drivers/video/backlight/mbp_nvidia_bl.c +++ b/drivers/video/backlight/mbp_nvidia_bl.c @@ -139,6 +139,51 @@ static int mbp_dmi_match(const struct dmi_system_id *id) static const struct dmi_system_id __initdata mbp_device_table[] = { { .callback = mbp_dmi_match, + .ident = "MacBook 1,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"), + }, + .driver_data = (void *)&intel_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBook 2,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook2,1"), + }, + .driver_data = (void *)&intel_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBook 3,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook3,1"), + }, + .driver_data = (void *)&intel_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBook 4,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook4,1"), + }, + .driver_data = (void *)&intel_chipset_data, + }, + { + .callback = mbp_dmi_match, + .ident = "MacBook 4,2", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBook4,2"), + }, + .driver_data = (void *)&intel_chipset_data, + }, + { + .callback = mbp_dmi_match, .ident = "MacBookPro 3,1", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), diff --git a/drivers/video/sunxvr500.c b/drivers/video/sunxvr500.c index 4cd5049..3803745 100644 --- a/drivers/video/sunxvr500.c +++ b/drivers/video/sunxvr500.c @@ -242,11 +242,27 @@ static int __devinit e3d_set_fbinfo(struct e3d_info *ep) static int __devinit e3d_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent) { + struct device_node *of_node; + const char *device_type; struct fb_info *info; struct e3d_info *ep; unsigned int line_length; int err; + of_node = pci_device_to_OF_node(pdev); + if (!of_node) { + printk(KERN_ERR "e3d: Cannot find OF node of %s\n", + pci_name(pdev)); + return -ENODEV; + } + + device_type = of_get_property(of_node, "device_type", NULL); + if (!device_type) { + printk(KERN_INFO "e3d: Ignoring secondary output device " + "at %s\n", pci_name(pdev)); + return -ENODEV; + } + err = pci_enable_device(pdev); if (err < 0) { printk(KERN_ERR "e3d: Cannot enable PCI device %s\n", @@ -265,13 +281,7 @@ static int __devinit e3d_pci_register(struct pci_dev *pdev, ep->info = info; ep->pdev = pdev; spin_lock_init(&ep->lock); - ep->of_node = pci_device_to_OF_node(pdev); - if (!ep->of_node) { - printk(KERN_ERR "e3d: Cannot find OF node of %s\n", - pci_name(pdev)); - err = -ENODEV; - goto err_release_fb; - } + ep->of_node = of_node; /* Read the PCI base register of the frame buffer, which we * need in order to interpret the RAMDAC_VID_*FB* values in diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index a6c5674..0b91907 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -443,7 +443,7 @@ static void hpwdt_ping(void) static int hpwdt_change_timer(int new_margin) { /* Arbitrary, can't find the card's limits */ - if (new_margin < 30 || new_margin > 600) { + if (new_margin < 5 || new_margin > 600) { printk(KERN_WARNING "hpwdt: New value passed in is invalid: %d seconds.\n", new_margin); diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c index 4bdb7f1..e2ebe08 100644 --- a/drivers/watchdog/iTCO_wdt.c +++ b/drivers/watchdog/iTCO_wdt.c @@ -115,8 +115,37 @@ enum iTCO_chipsets { TCO_3420, /* 3420 */ TCO_3450, /* 3450 */ TCO_EP80579, /* EP80579 */ - TCO_CPTD, /* CPT Desktop */ - TCO_CPTM, /* CPT Mobile */ + TCO_CPT1, /* Cougar Point */ + TCO_CPT2, /* Cougar Point Desktop */ + TCO_CPT3, /* Cougar Point Mobile */ + TCO_CPT4, /* Cougar Point */ + TCO_CPT5, /* Cougar Point */ + TCO_CPT6, /* Cougar Point */ + TCO_CPT7, /* Cougar Point */ + TCO_CPT8, /* Cougar Point */ + TCO_CPT9, /* Cougar Point */ + TCO_CPT10, /* Cougar Point */ + TCO_CPT11, /* Cougar Point */ + TCO_CPT12, /* Cougar Point */ + TCO_CPT13, /* Cougar Point */ + TCO_CPT14, /* Cougar Point */ + TCO_CPT15, /* Cougar Point */ + TCO_CPT16, /* Cougar Point */ + TCO_CPT17, /* Cougar Point */ + TCO_CPT18, /* Cougar Point */ + TCO_CPT19, /* Cougar Point */ + TCO_CPT20, /* Cougar Point */ + TCO_CPT21, /* Cougar Point */ + TCO_CPT22, /* Cougar Point */ + TCO_CPT23, /* Cougar Point */ + TCO_CPT24, /* Cougar Point */ + TCO_CPT25, /* Cougar Point */ + TCO_CPT26, /* Cougar Point */ + TCO_CPT27, /* Cougar Point */ + TCO_CPT28, /* Cougar Point */ + TCO_CPT29, /* Cougar Point */ + TCO_CPT30, /* Cougar Point */ + TCO_CPT31, /* Cougar Point */ }; static struct { @@ -173,8 +202,37 @@ static struct { {"3420", 2}, {"3450", 2}, {"EP80579", 2}, - {"CPT Desktop", 2}, - {"CPT Mobile", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, + {"Cougar Point", 2}, {NULL, 0} }; @@ -259,8 +317,37 @@ static struct pci_device_id iTCO_wdt_pci_tbl[] = { { ITCO_PCI_DEVICE(0x3b14, TCO_3420)}, { ITCO_PCI_DEVICE(0x3b16, TCO_3450)}, { ITCO_PCI_DEVICE(0x5031, TCO_EP80579)}, - { ITCO_PCI_DEVICE(0x1c42, TCO_CPTD)}, - { ITCO_PCI_DEVICE(0x1c43, TCO_CPTM)}, + { ITCO_PCI_DEVICE(0x1c41, TCO_CPT1)}, + { ITCO_PCI_DEVICE(0x1c42, TCO_CPT2)}, + { ITCO_PCI_DEVICE(0x1c43, TCO_CPT3)}, + { ITCO_PCI_DEVICE(0x1c44, TCO_CPT4)}, + { ITCO_PCI_DEVICE(0x1c45, TCO_CPT5)}, + { ITCO_PCI_DEVICE(0x1c46, TCO_CPT6)}, + { ITCO_PCI_DEVICE(0x1c47, TCO_CPT7)}, + { ITCO_PCI_DEVICE(0x1c48, TCO_CPT8)}, + { ITCO_PCI_DEVICE(0x1c49, TCO_CPT9)}, + { ITCO_PCI_DEVICE(0x1c4a, TCO_CPT10)}, + { ITCO_PCI_DEVICE(0x1c4b, TCO_CPT11)}, + { ITCO_PCI_DEVICE(0x1c4c, TCO_CPT12)}, + { ITCO_PCI_DEVICE(0x1c4d, TCO_CPT13)}, + { ITCO_PCI_DEVICE(0x1c4e, TCO_CPT14)}, + { ITCO_PCI_DEVICE(0x1c4f, TCO_CPT15)}, + { ITCO_PCI_DEVICE(0x1c50, TCO_CPT16)}, + { ITCO_PCI_DEVICE(0x1c51, TCO_CPT17)}, + { ITCO_PCI_DEVICE(0x1c52, TCO_CPT18)}, + { ITCO_PCI_DEVICE(0x1c53, TCO_CPT19)}, + { ITCO_PCI_DEVICE(0x1c54, TCO_CPT20)}, + { ITCO_PCI_DEVICE(0x1c55, TCO_CPT21)}, + { ITCO_PCI_DEVICE(0x1c56, TCO_CPT22)}, + { ITCO_PCI_DEVICE(0x1c57, TCO_CPT23)}, + { ITCO_PCI_DEVICE(0x1c58, TCO_CPT24)}, + { ITCO_PCI_DEVICE(0x1c59, TCO_CPT25)}, + { ITCO_PCI_DEVICE(0x1c5a, TCO_CPT26)}, + { ITCO_PCI_DEVICE(0x1c5b, TCO_CPT27)}, + { ITCO_PCI_DEVICE(0x1c5c, TCO_CPT28)}, + { ITCO_PCI_DEVICE(0x1c5d, TCO_CPT29)}, + { ITCO_PCI_DEVICE(0x1c5e, TCO_CPT30)}, + { ITCO_PCI_DEVICE(0x1c5f, TCO_CPT31)}, { 0, }, /* End of list */ }; MODULE_DEVICE_TABLE(pci, iTCO_wdt_pci_tbl); diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index 74a0461..92f9590 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -114,7 +114,7 @@ static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl) P9_DPRINTK(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl); /* No mandatory locks */ - if (__mandatory_lock(inode)) + if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK) return -ENOLCK; if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) { diff --git a/fs/block_dev.c b/fs/block_dev.c index d11d028..8db62b2 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -404,7 +404,7 @@ static loff_t block_llseek(struct file *file, loff_t offset, int origin) * NULL first argument is nfsd_sync_dir() and that's not a directory. */ -static int block_fsync(struct file *filp, struct dentry *dentry, int datasync) +int block_fsync(struct file *filp, struct dentry *dentry, int datasync) { struct block_device *bdev = I_BDEV(filp->f_mapping->host); int error; @@ -418,6 +418,7 @@ static int block_fsync(struct file *filp, struct dentry *dentry, int datasync) error = 0; return error; } +EXPORT_SYMBOL(block_fsync); /* * pseudo-fs diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 941441d..4e6dbab 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1430,6 +1430,8 @@ CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon, __u32 bytes_sent; __u16 byte_count; + *nbytes = 0; + /* cFYI(1, ("write at %lld %d bytes", offset, count));*/ if (tcon->ses == NULL) return -ECONNABORTED; @@ -1512,11 +1514,18 @@ CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon, cifs_stats_inc(&tcon->num_writes); if (rc) { cFYI(1, ("Send error in write = %d", rc)); - *nbytes = 0; } else { *nbytes = le16_to_cpu(pSMBr->CountHigh); *nbytes = (*nbytes) << 16; *nbytes += le16_to_cpu(pSMBr->Count); + + /* + * Mask off high 16 bits when bytes written as returned by the + * server is greater than bytes requested by the client. Some + * OS/2 servers are known to set incorrect CountHigh values. + */ + if (*nbytes > count) + *nbytes &= 0xFFFF; } cifs_buf_release(pSMB); @@ -1605,6 +1614,14 @@ CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon, *nbytes = le16_to_cpu(pSMBr->CountHigh); *nbytes = (*nbytes) << 16; *nbytes += le16_to_cpu(pSMBr->Count); + + /* + * Mask off high 16 bits when bytes written as returned by the + * server is greater than bytes requested by the client. OS/2 + * servers are known to set incorrect CountHigh values. + */ + if (*nbytes > count) + *nbytes &= 0xFFFF; } /* cifs_small_buf_release(pSMB); */ /* Freed earlier now in SendReceive2 */ diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 4a430ab..23dc2af 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -647,38 +647,17 @@ out_lock: return rc; } -static int -ecryptfs_readlink(struct dentry *dentry, char __user *buf, int bufsiz) +static int ecryptfs_readlink_lower(struct dentry *dentry, char **buf, + size_t *bufsiz) { + struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry); char *lower_buf; - size_t lower_bufsiz; - struct dentry *lower_dentry; - struct ecryptfs_mount_crypt_stat *mount_crypt_stat; - char *plaintext_name; - size_t plaintext_name_size; + size_t lower_bufsiz = PATH_MAX; mm_segment_t old_fs; int rc; - lower_dentry = ecryptfs_dentry_to_lower(dentry); - if (!lower_dentry->d_inode->i_op->readlink) { - rc = -EINVAL; - goto out; - } - mount_crypt_stat = &ecryptfs_superblock_to_private( - dentry->d_sb)->mount_crypt_stat; - /* - * If the lower filename is encrypted, it will result in a significantly - * longer name. If needed, truncate the name after decode and decrypt. - */ - if (mount_crypt_stat->flags & ECRYPTFS_GLOBAL_ENCRYPT_FILENAMES) - lower_bufsiz = PATH_MAX; - else - lower_bufsiz = bufsiz; - /* Released in this function */ lower_buf = kmalloc(lower_bufsiz, GFP_KERNEL); - if (lower_buf == NULL) { - printk(KERN_ERR "%s: Out of memory whilst attempting to " - "kmalloc [%zd] bytes\n", __func__, lower_bufsiz); + if (!lower_buf) { rc = -ENOMEM; goto out; } @@ -688,29 +667,31 @@ ecryptfs_readlink(struct dentry *dentry, char __user *buf, int bufsiz) (char __user *)lower_buf, lower_bufsiz); set_fs(old_fs); - if (rc >= 0) { - rc = ecryptfs_decode_and_decrypt_filename(&plaintext_name, - &plaintext_name_size, - dentry, lower_buf, - rc); - if (rc) { - printk(KERN_ERR "%s: Error attempting to decode and " - "decrypt filename; rc = [%d]\n", __func__, - rc); - goto out_free_lower_buf; - } - /* Check for bufsiz <= 0 done in sys_readlinkat() */ - rc = copy_to_user(buf, plaintext_name, - min((size_t) bufsiz, plaintext_name_size)); - if (rc) - rc = -EFAULT; - else - rc = plaintext_name_size; - kfree(plaintext_name); - fsstack_copy_attr_atime(dentry->d_inode, lower_dentry->d_inode); - } -out_free_lower_buf: + if (rc < 0) + goto out; + lower_bufsiz = rc; + rc = ecryptfs_decode_and_decrypt_filename(buf, bufsiz, dentry, + lower_buf, lower_bufsiz); +out: kfree(lower_buf); + return rc; +} + +static int +ecryptfs_readlink(struct dentry *dentry, char __user *buf, int bufsiz) +{ + char *kbuf; + size_t kbufsiz, copied; + int rc; + + rc = ecryptfs_readlink_lower(dentry, &kbuf, &kbufsiz); + if (rc) + goto out; + copied = min_t(size_t, bufsiz, kbufsiz); + rc = copy_to_user(buf, kbuf, copied) ? -EFAULT : copied; + kfree(kbuf); + fsstack_copy_attr_atime(dentry->d_inode, + ecryptfs_dentry_to_lower(dentry)->d_inode); out: return rc; } @@ -1015,6 +996,28 @@ out: return rc; } +int ecryptfs_getattr_link(struct vfsmount *mnt, struct dentry *dentry, + struct kstat *stat) +{ + struct ecryptfs_mount_crypt_stat *mount_crypt_stat; + int rc = 0; + + mount_crypt_stat = &ecryptfs_superblock_to_private( + dentry->d_sb)->mount_crypt_stat; + generic_fillattr(dentry->d_inode, stat); + if (mount_crypt_stat->flags & ECRYPTFS_GLOBAL_ENCRYPT_FILENAMES) { + char *target; + size_t targetsiz; + + rc = ecryptfs_readlink_lower(dentry, &target, &targetsiz); + if (!rc) { + kfree(target); + stat->size = targetsiz; + } + } + return rc; +} + int ecryptfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) { @@ -1039,7 +1042,7 @@ ecryptfs_setxattr(struct dentry *dentry, const char *name, const void *value, lower_dentry = ecryptfs_dentry_to_lower(dentry); if (!lower_dentry->d_inode->i_op->setxattr) { - rc = -ENOSYS; + rc = -EOPNOTSUPP; goto out; } mutex_lock(&lower_dentry->d_inode->i_mutex); @@ -1057,7 +1060,7 @@ ecryptfs_getxattr_lower(struct dentry *lower_dentry, const char *name, int rc = 0; if (!lower_dentry->d_inode->i_op->getxattr) { - rc = -ENOSYS; + rc = -EOPNOTSUPP; goto out; } mutex_lock(&lower_dentry->d_inode->i_mutex); @@ -1084,7 +1087,7 @@ ecryptfs_listxattr(struct dentry *dentry, char *list, size_t size) lower_dentry = ecryptfs_dentry_to_lower(dentry); if (!lower_dentry->d_inode->i_op->listxattr) { - rc = -ENOSYS; + rc = -EOPNOTSUPP; goto out; } mutex_lock(&lower_dentry->d_inode->i_mutex); @@ -1101,7 +1104,7 @@ static int ecryptfs_removexattr(struct dentry *dentry, const char *name) lower_dentry = ecryptfs_dentry_to_lower(dentry); if (!lower_dentry->d_inode->i_op->removexattr) { - rc = -ENOSYS; + rc = -EOPNOTSUPP; goto out; } mutex_lock(&lower_dentry->d_inode->i_mutex); @@ -1132,6 +1135,7 @@ const struct inode_operations ecryptfs_symlink_iops = { .put_link = ecryptfs_put_link, .permission = ecryptfs_permission, .setattr = ecryptfs_setattr, + .getattr = ecryptfs_getattr_link, .setxattr = ecryptfs_setxattr, .getxattr = ecryptfs_getxattr, .listxattr = ecryptfs_listxattr, diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c index b15a43a..1a037f7 100644 --- a/fs/ecryptfs/super.c +++ b/fs/ecryptfs/super.c @@ -85,7 +85,6 @@ static void ecryptfs_destroy_inode(struct inode *inode) if (lower_dentry->d_inode) { fput(inode_info->lower_file); inode_info->lower_file = NULL; - d_drop(lower_dentry); } } ecryptfs_destroy_crypt_stat(&inode_info->crypt_stat); diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 874d169..602d5ad 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -139,8 +139,8 @@ typedef struct ext4_io_end { struct inode *inode; /* file being written to */ unsigned int flag; /* unwritten or not */ int error; /* I/O error code */ - ext4_lblk_t offset; /* offset in the file */ - size_t size; /* size of the extent */ + loff_t offset; /* offset in the file */ + ssize_t size; /* size of the extent */ struct work_struct work; /* data work queue */ } ext4_io_end_t; @@ -1744,7 +1744,7 @@ extern void ext4_ext_release(struct super_block *); extern long ext4_fallocate(struct inode *inode, int mode, loff_t offset, loff_t len); extern int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset, - loff_t len); + ssize_t len); extern int ext4_get_blocks(handle_t *handle, struct inode *inode, sector_t block, unsigned int max_blocks, struct buffer_head *bh, int flags); diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 765a482..c568779 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -3603,7 +3603,7 @@ retry: * Returns 0 on success. */ int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset, - loff_t len) + ssize_t len) { handle_t *handle; ext4_lblk_t block; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index e119524..2059c34 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -3551,7 +3551,7 @@ static int ext4_end_aio_dio_nolock(ext4_io_end_t *io) { struct inode *inode = io->inode; loff_t offset = io->offset; - size_t size = io->size; + ssize_t size = io->size; int ret = 0; ext4_debug("end_aio_dio_onlock: io 0x%p from inode %lu,list->next 0x%p," diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c index f565f24..72646e2 100644 --- a/fs/fat/namei_vfat.c +++ b/fs/fat/namei_vfat.c @@ -309,7 +309,7 @@ static int vfat_create_shortname(struct inode *dir, struct nls_table *nls, { struct fat_mount_options *opts = &MSDOS_SB(dir->i_sb)->options; wchar_t *ip, *ext_start, *end, *name_start; - unsigned char base[9], ext[4], buf[8], *p; + unsigned char base[9], ext[4], buf[5], *p; unsigned char charbuf[NLS_MAX_CHARSET_SIZE]; int chl, chi; int sz = 0, extlen, baselen, i, numtail_baselen, numtail2_baselen; @@ -467,7 +467,7 @@ static int vfat_create_shortname(struct inode *dir, struct nls_table *nls, return 0; } - i = jiffies & 0xffff; + i = jiffies; sz = (jiffies >> 16) & 0x7; if (baselen > 2) { baselen = numtail2_baselen; @@ -476,7 +476,7 @@ static int vfat_create_shortname(struct inode *dir, struct nls_table *nls, name_res[baselen + 4] = '~'; name_res[baselen + 5] = '1' + sz; while (1) { - sprintf(buf, "%04X", i); + snprintf(buf, sizeof(buf), "%04X", i & 0xffff); memcpy(&name_res[baselen], buf, 4); if (vfat_find_form(dir, name_res) < 0) break; diff --git a/fs/nfs/client.c b/fs/nfs/client.c index ee77713..bd39abc 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -1293,7 +1293,8 @@ static int nfs4_init_server(struct nfs_server *server, /* Initialise the client representation from the mount data */ server->flags = data->flags; - server->caps |= NFS_CAP_ATOMIC_OPEN|NFS_CAP_CHANGE_ATTR; + server->caps |= NFS_CAP_ATOMIC_OPEN|NFS_CAP_CHANGE_ATTR| + NFS_CAP_POSIX_LOCK; server->options = data->options; /* Get a client record */ diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 8b5382e..af6948d 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -1025,12 +1025,12 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry res = NULL; goto out; /* This turned out not to be a regular file */ + case -EISDIR: case -ENOTDIR: goto no_open; case -ELOOP: if (!(nd->intent.open.flags & O_NOFOLLOW)) goto no_open; - /* case -EISDIR: */ /* case -EINVAL: */ default: goto out; diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 375f0fa..ecf6602 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1520,6 +1520,8 @@ static int _nfs4_proc_open(struct nfs4_opendata *data) nfs_post_op_update_inode(dir, o_res->dir_attr); } else nfs_refresh_inode(dir, o_res->dir_attr); + if ((o_res->rflags & NFS4_OPEN_RESULT_LOCKTYPE_POSIX) == 0) + server->caps &= ~NFS_CAP_POSIX_LOCK; if(o_res->rflags & NFS4_OPEN_RESULT_CONFIRM) { status = _nfs4_proc_open_confirm(data); if (status != 0) @@ -1660,7 +1662,7 @@ static int _nfs4_do_open(struct inode *dir, struct path *path, fmode_t fmode, in status = PTR_ERR(state); if (IS_ERR(state)) goto err_opendata_put; - if ((opendata->o_res.rflags & NFS4_OPEN_RESULT_LOCKTYPE_POSIX) != 0) + if (server->caps & NFS_CAP_POSIX_LOCK) set_bit(NFS_STATE_POSIX_LOCKS, &state->flags); nfs4_opendata_put(opendata); nfs4_put_state_owner(sp); diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index a8587e9..bbf72d8 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2121,9 +2121,15 @@ out_acl: * and this is the root of a cross-mounted filesystem. */ if (ignore_crossmnt == 0 && - exp->ex_path.mnt->mnt_root->d_inode == dentry->d_inode) { - err = vfs_getattr(exp->ex_path.mnt->mnt_parent, - exp->ex_path.mnt->mnt_mountpoint, &stat); + dentry == exp->ex_path.mnt->mnt_root) { + struct path path = exp->ex_path; + path_get(&path); + while (follow_up(&path)) { + if (path.dentry != path.mnt->mnt_root) + break; + } + err = vfs_getattr(path.mnt, path.dentry, &stat); + path_put(&path); if (err) goto out_nfserr; } diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c index 0501974..8ccf0f8 100644 --- a/fs/ocfs2/acl.c +++ b/fs/ocfs2/acl.c @@ -30,6 +30,8 @@ #include "alloc.h" #include "dlmglue.h" #include "file.h" +#include "inode.h" +#include "journal.h" #include "ocfs2_fs.h" #include "xattr.h" @@ -166,6 +168,60 @@ static struct posix_acl *ocfs2_get_acl(struct inode *inode, int type) } /* + * Helper function to set i_mode in memory and disk. Some call paths + * will not have di_bh or a journal handle to pass, in which case it + * will create it's own. + */ +static int ocfs2_acl_set_mode(struct inode *inode, struct buffer_head *di_bh, + handle_t *handle, umode_t new_mode) +{ + int ret, commit_handle = 0; + struct ocfs2_dinode *di; + + if (di_bh == NULL) { + ret = ocfs2_read_inode_block(inode, &di_bh); + if (ret) { + mlog_errno(ret); + goto out; + } + } else + get_bh(di_bh); + + if (handle == NULL) { + handle = ocfs2_start_trans(OCFS2_SB(inode->i_sb), + OCFS2_INODE_UPDATE_CREDITS); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto out_brelse; + } + + commit_handle = 1; + } + + di = (struct ocfs2_dinode *)di_bh->b_data; + ret = ocfs2_journal_access_di(handle, INODE_CACHE(inode), di_bh, + OCFS2_JOURNAL_ACCESS_WRITE); + if (ret) { + mlog_errno(ret); + goto out_commit; + } + + inode->i_mode = new_mode; + di->i_mode = cpu_to_le16(inode->i_mode); + + ocfs2_journal_dirty(handle, di_bh); + +out_commit: + if (commit_handle) + ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle); +out_brelse: + brelse(di_bh); +out: + return ret; +} + +/* * Set the access or default ACL of an inode. */ static int ocfs2_set_acl(handle_t *handle, @@ -193,9 +249,14 @@ static int ocfs2_set_acl(handle_t *handle, if (ret < 0) return ret; else { - inode->i_mode = mode; if (ret == 0) acl = NULL; + + ret = ocfs2_acl_set_mode(inode, di_bh, + handle, mode); + if (ret) + return ret; + } } break; @@ -283,6 +344,7 @@ int ocfs2_init_acl(handle_t *handle, struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); struct posix_acl *acl = NULL; int ret = 0; + mode_t mode; if (!S_ISLNK(inode->i_mode)) { if (osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) { @@ -291,12 +353,17 @@ int ocfs2_init_acl(handle_t *handle, if (IS_ERR(acl)) return PTR_ERR(acl); } - if (!acl) - inode->i_mode &= ~current_umask(); + if (!acl) { + mode = inode->i_mode & ~current_umask(); + ret = ocfs2_acl_set_mode(inode, di_bh, handle, mode); + if (ret) { + mlog_errno(ret); + goto cleanup; + } + } } if ((osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) && acl) { struct posix_acl *clone; - mode_t mode; if (S_ISDIR(inode->i_mode)) { ret = ocfs2_set_acl(handle, inode, di_bh, @@ -313,7 +380,7 @@ int ocfs2_init_acl(handle_t *handle, mode = inode->i_mode; ret = posix_acl_create_masq(clone, &mode); if (ret >= 0) { - inode->i_mode = mode; + ret = ocfs2_acl_set_mode(inode, di_bh, handle, mode); if (ret > 0) { ret = ocfs2_set_acl(handle, inode, di_bh, ACL_TYPE_ACCESS, diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index c30b644..79b5dac 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -152,7 +152,7 @@ static u32 ocfs2_bits_per_group(struct ocfs2_chain_list *cl) #define do_error(fmt, ...) \ do{ \ - if (clean_error) \ + if (resize) \ mlog(ML_ERROR, fmt "\n", ##__VA_ARGS__); \ else \ ocfs2_error(sb, fmt, ##__VA_ARGS__); \ @@ -160,7 +160,7 @@ static u32 ocfs2_bits_per_group(struct ocfs2_chain_list *cl) static int ocfs2_validate_gd_self(struct super_block *sb, struct buffer_head *bh, - int clean_error) + int resize) { struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data; @@ -211,7 +211,7 @@ static int ocfs2_validate_gd_self(struct super_block *sb, static int ocfs2_validate_gd_parent(struct super_block *sb, struct ocfs2_dinode *di, struct buffer_head *bh, - int clean_error) + int resize) { unsigned int max_bits; struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data; @@ -233,8 +233,11 @@ static int ocfs2_validate_gd_parent(struct super_block *sb, return -EINVAL; } - if (le16_to_cpu(gd->bg_chain) >= - le16_to_cpu(di->id2.i_chain.cl_next_free_rec)) { + /* In resize, we may meet the case bg_chain == cl_next_free_rec. */ + if ((le16_to_cpu(gd->bg_chain) > + le16_to_cpu(di->id2.i_chain.cl_next_free_rec)) || + ((le16_to_cpu(gd->bg_chain) == + le16_to_cpu(di->id2.i_chain.cl_next_free_rec)) && !resize)) { do_error("Group descriptor #%llu has bad chain %u", (unsigned long long)bh->b_blocknr, le16_to_cpu(gd->bg_chain)); diff --git a/fs/proc/base.c b/fs/proc/base.c index 58324c2..3cd449d 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -442,12 +442,13 @@ static const struct file_operations proc_lstats_operations = { unsigned long badness(struct task_struct *p, unsigned long uptime); static int proc_oom_score(struct task_struct *task, char *buffer) { - unsigned long points; + unsigned long points = 0; struct timespec uptime; do_posix_clock_monotonic_gettime(&uptime); read_lock(&tasklist_lock); - points = badness(task->group_leader, uptime.tv_sec); + if (pid_alive(task)) + points = badness(task, uptime.tv_sec); read_unlock(&tasklist_lock); return sprintf(buffer, "%lu\n", points); } diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 6e722c1..6c9da00 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -2321,34 +2321,34 @@ static int do_set_dqblk(struct dquot *dquot, struct if_dqblk *di) if (di->dqb_valid & QIF_SPACE) { dm->dqb_curspace = di->dqb_curspace - dm->dqb_rsvspace; check_blim = 1; - __set_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags); + set_bit(DQ_LASTSET_B + QIF_SPACE_B, &dquot->dq_flags); } if (di->dqb_valid & QIF_BLIMITS) { dm->dqb_bsoftlimit = qbtos(di->dqb_bsoftlimit); dm->dqb_bhardlimit = qbtos(di->dqb_bhardlimit); check_blim = 1; - __set_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags); + set_bit(DQ_LASTSET_B + QIF_BLIMITS_B, &dquot->dq_flags); } if (di->dqb_valid & QIF_INODES) { dm->dqb_curinodes = di->dqb_curinodes; check_ilim = 1; - __set_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags); + set_bit(DQ_LASTSET_B + QIF_INODES_B, &dquot->dq_flags); } if (di->dqb_valid & QIF_ILIMITS) { dm->dqb_isoftlimit = di->dqb_isoftlimit; dm->dqb_ihardlimit = di->dqb_ihardlimit; check_ilim = 1; - __set_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags); + set_bit(DQ_LASTSET_B + QIF_ILIMITS_B, &dquot->dq_flags); } if (di->dqb_valid & QIF_BTIME) { dm->dqb_btime = di->dqb_btime; check_blim = 1; - __set_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags); + set_bit(DQ_LASTSET_B + QIF_BTIME_B, &dquot->dq_flags); } if (di->dqb_valid & QIF_ITIME) { dm->dqb_itime = di->dqb_itime; check_ilim = 1; - __set_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags); + set_bit(DQ_LASTSET_B + QIF_ITIME_B, &dquot->dq_flags); } if (check_blim) { diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index b4a7dd0..33bc410 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -1619,10 +1619,8 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) save_mount_options(s, data); sbi = kzalloc(sizeof(struct reiserfs_sb_info), GFP_KERNEL); - if (!sbi) { - errval = -ENOMEM; - goto error_alloc; - } + if (!sbi) + return -ENOMEM; s->s_fs_info = sbi; /* Set default values for options: non-aggressive tails, RO on errors */ REISERFS_SB(s)->s_mount_opt |= (1 << REISERFS_SMALLTAIL); @@ -1879,12 +1877,12 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) return (0); error: - reiserfs_write_unlock(s); -error_alloc: if (jinit_done) { /* kill the commit thread, free journal ram */ journal_release_error(NULL, s); } + reiserfs_write_unlock(s); + reiserfs_free_bitmap_cache(s); if (SB_BUFFER_WITH_SB(s)) brelse(SB_BUFFER_WITH_SB(s)); diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 66abe36..1c65a2b 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -163,14 +163,17 @@ xfs_ioend_new_eof( } /* - * Update on-disk file size now that data has been written to disk. - * The current in-memory file size is i_size. If a write is beyond - * eof i_new_size will be the intended file size until i_size is - * updated. If this write does not extend all the way to the valid - * file size then restrict this update to the end of the write. + * Update on-disk file size now that data has been written to disk. The + * current in-memory file size is i_size. If a write is beyond eof i_new_size + * will be the intended file size until i_size is updated. If this write does + * not extend all the way to the valid file size then restrict this update to + * the end of the write. + * + * This function does not block as blocking on the inode lock in IO completion + * can lead to IO completion order dependency deadlocks.. If it can't get the + * inode ilock it will return EAGAIN. Callers must handle this. */ - -STATIC void +STATIC int xfs_setfilesize( xfs_ioend_t *ioend) { @@ -181,9 +184,11 @@ xfs_setfilesize( ASSERT(ioend->io_type != IOMAP_READ); if (unlikely(ioend->io_error)) - return; + return 0; + + if (!xfs_ilock_nowait(ip, XFS_ILOCK_EXCL)) + return EAGAIN; - xfs_ilock(ip, XFS_ILOCK_EXCL); isize = xfs_ioend_new_eof(ioend); if (isize) { ip->i_d.di_size = isize; @@ -191,6 +196,28 @@ xfs_setfilesize( } xfs_iunlock(ip, XFS_ILOCK_EXCL); + return 0; +} + +/* + * Schedule IO completion handling on a xfsdatad if this was + * the final hold on this ioend. If we are asked to wait, + * flush the workqueue. + */ +STATIC void +xfs_finish_ioend( + xfs_ioend_t *ioend, + int wait) +{ + if (atomic_dec_and_test(&ioend->io_remaining)) { + struct workqueue_struct *wq; + + wq = (ioend->io_type == IOMAP_UNWRITTEN) ? + xfsconvertd_workqueue : xfsdatad_workqueue; + queue_work(wq, &ioend->io_work); + if (wait) + flush_workqueue(wq); + } } /* @@ -198,11 +225,11 @@ xfs_setfilesize( */ STATIC void xfs_end_io( - struct work_struct *work) + struct work_struct *work) { - xfs_ioend_t *ioend = - container_of(work, xfs_ioend_t, io_work); - struct xfs_inode *ip = XFS_I(ioend->io_inode); + xfs_ioend_t *ioend = container_of(work, xfs_ioend_t, io_work); + struct xfs_inode *ip = XFS_I(ioend->io_inode); + int error; /* * For unwritten extents we need to issue transactions to convert a @@ -210,7 +237,6 @@ xfs_end_io( */ if (ioend->io_type == IOMAP_UNWRITTEN && likely(!ioend->io_error && !XFS_FORCED_SHUTDOWN(ip->i_mount))) { - int error; error = xfs_iomap_write_unwritten(ip, ioend->io_offset, ioend->io_size); @@ -222,30 +248,23 @@ xfs_end_io( * We might have to update the on-disk file size after extending * writes. */ - if (ioend->io_type != IOMAP_READ) - xfs_setfilesize(ioend); - xfs_destroy_ioend(ioend); -} - -/* - * Schedule IO completion handling on a xfsdatad if this was - * the final hold on this ioend. If we are asked to wait, - * flush the workqueue. - */ -STATIC void -xfs_finish_ioend( - xfs_ioend_t *ioend, - int wait) -{ - if (atomic_dec_and_test(&ioend->io_remaining)) { - struct workqueue_struct *wq; - - wq = (ioend->io_type == IOMAP_UNWRITTEN) ? - xfsconvertd_workqueue : xfsdatad_workqueue; - queue_work(wq, &ioend->io_work); - if (wait) - flush_workqueue(wq); + if (ioend->io_type != IOMAP_READ) { + error = xfs_setfilesize(ioend); + ASSERT(!error || error == EAGAIN); } + + /* + * If we didn't complete processing of the ioend, requeue it to the + * tail of the workqueue for another attempt later. Otherwise destroy + * it. + */ + if (error == EAGAIN) { + atomic_inc(&ioend->io_remaining); + xfs_finish_ioend(ioend, 0); + /* ensure we don't spin on blocked ioends */ + delay(1); + } else + xfs_destroy_ioend(ioend); } /* diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c index 1f5e4bb..6b6b394 100644 --- a/fs/xfs/linux-2.6/xfs_sync.c +++ b/fs/xfs/linux-2.6/xfs_sync.c @@ -613,7 +613,8 @@ xfssyncd( set_freezable(); timeleft = xfs_syncd_centisecs * msecs_to_jiffies(10); for (;;) { - timeleft = schedule_timeout_interruptible(timeleft); + if (list_empty(&mp->m_sync_list)) + timeleft = schedule_timeout_interruptible(timeleft); /* swsusp */ try_to_freeze(); if (kthread_should_stop() && list_empty(&mp->m_sync_list)) @@ -633,8 +634,7 @@ xfssyncd( list_add_tail(&mp->m_sync_work.w_list, &mp->m_sync_list); } - list_for_each_entry_safe(work, n, &mp->m_sync_list, w_list) - list_move(&work->w_list, &tmp); + list_splice_init(&mp->m_sync_list, &tmp); spin_unlock(&mp->m_sync_lock); list_for_each_entry_safe(work, n, &tmp, w_list) { @@ -693,12 +693,12 @@ xfs_inode_set_reclaim_tag( xfs_mount_t *mp = ip->i_mount; xfs_perag_t *pag = xfs_get_perag(mp, ip->i_ino); - read_lock(&pag->pag_ici_lock); + write_lock(&pag->pag_ici_lock); spin_lock(&ip->i_flags_lock); __xfs_inode_set_reclaim_tag(pag, ip); __xfs_iflags_set(ip, XFS_IRECLAIMABLE); spin_unlock(&ip->i_flags_lock); - read_unlock(&pag->pag_ici_lock); + write_unlock(&pag->pag_ici_lock); xfs_put_perag(mp, pag); } diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index 155e798..fd21160 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -190,13 +190,12 @@ xfs_iget_cache_hit( trace_xfs_iget_reclaim(ip); /* - * We need to set XFS_INEW atomically with clearing the - * reclaimable tag so that we do have an indicator of the - * inode still being initialized. + * We need to set XFS_IRECLAIM to prevent xfs_reclaim_inode + * from stomping over us while we recycle the inode. We can't + * clear the radix tree reclaimable tag yet as it requires + * pag_ici_lock to be held exclusive. */ - ip->i_flags |= XFS_INEW; - ip->i_flags &= ~XFS_IRECLAIMABLE; - __xfs_inode_clear_reclaim_tag(mp, pag, ip); + ip->i_flags |= XFS_IRECLAIM; spin_unlock(&ip->i_flags_lock); read_unlock(&pag->pag_ici_lock); @@ -216,7 +215,15 @@ xfs_iget_cache_hit( trace_xfs_iget_reclaim(ip); goto out_error; } + + write_lock(&pag->pag_ici_lock); + spin_lock(&ip->i_flags_lock); + ip->i_flags &= ~(XFS_IRECLAIMABLE | XFS_IRECLAIM); + ip->i_flags |= XFS_INEW; + __xfs_inode_clear_reclaim_tag(mp, pag, ip); inode->i_state = I_NEW; + spin_unlock(&ip->i_flags_lock); + write_unlock(&pag->pag_ici_lock); } else { /* If the VFS inode is being torn down, pause and try again. */ if (!igrab(inode)) { diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index e6f3b12..0cbdccc 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -6,6 +6,7 @@ {0x1002, 0x3150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \ {0x1002, 0x3152, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x3154, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x3155, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x3E50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \ {0x1002, 0x3E54, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \ {0x1002, 0x4136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS100|RADEON_IS_IGP}, \ @@ -375,6 +376,7 @@ {0x1002, 0x9712, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9713, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9714, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ + {0x1002, 0x9715, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0, 0, 0} #define r128_PCI_IDS \ diff --git a/include/linux/dm-ioctl.h b/include/linux/dm-ioctl.h index aa95508..2c445e1 100644 --- a/include/linux/dm-ioctl.h +++ b/include/linux/dm-ioctl.h @@ -266,9 +266,9 @@ enum { #define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl) #define DM_VERSION_MAJOR 4 -#define DM_VERSION_MINOR 16 +#define DM_VERSION_MINOR 17 #define DM_VERSION_PATCHLEVEL 0 -#define DM_VERSION_EXTRA "-ioctl (2009-11-05)" +#define DM_VERSION_EXTRA "-ioctl (2010-03-05)" /* Status bits */ #define DM_READONLY_FLAG (1 << 0) /* In/Out */ @@ -316,4 +316,9 @@ enum { */ #define DM_QUERY_INACTIVE_TABLE_FLAG (1 << 12) /* In */ +/* + * If set, a uevent was generated for which the caller may need to wait. + */ +#define DM_UEVENT_GENERATED_FLAG (1 << 13) /* Out */ + #endif /* _LINUX_DM_IOCTL_H */ diff --git a/include/linux/freezer.h b/include/linux/freezer.h index 5a361f8..da7e52b 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -64,9 +64,12 @@ extern bool freeze_task(struct task_struct *p, bool sig_only); extern void cancel_freezing(struct task_struct *p); #ifdef CONFIG_CGROUP_FREEZER -extern int cgroup_frozen(struct task_struct *task); +extern int cgroup_freezing_or_frozen(struct task_struct *task); #else /* !CONFIG_CGROUP_FREEZER */ -static inline int cgroup_frozen(struct task_struct *task) { return 0; } +static inline int cgroup_freezing_or_frozen(struct task_struct *task) +{ + return 0; +} #endif /* !CONFIG_CGROUP_FREEZER */ /* diff --git a/include/linux/fs.h b/include/linux/fs.h index f2f68ce..66b0705 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2214,6 +2214,7 @@ extern int generic_segment_checks(const struct iovec *iov, /* fs/block_dev.c */ extern ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos); +extern int block_fsync(struct file *filp, struct dentry *dentry, int datasync); /* fs/splice.c */ extern ssize_t generic_file_splice_read(struct file *, loff_t *, diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h index ece0b1c..e117b1a 100644 --- a/include/linux/kfifo.h +++ b/include/linux/kfifo.h @@ -86,7 +86,8 @@ union { \ */ #define INIT_KFIFO(name) \ name = __kfifo_initializer(sizeof(name##kfifo_buffer) - \ - sizeof(struct kfifo), name##kfifo_buffer) + sizeof(struct kfifo), \ + name##kfifo_buffer + sizeof(struct kfifo)) /** * DEFINE_KFIFO - macro to define and initialize a kfifo diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index bd5a616..1fe293e 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -53,7 +53,7 @@ extern struct kmem_cache *kvm_vcpu_cache; */ struct kvm_io_bus { int dev_count; -#define NR_IOBUS_DEVS 6 +#define NR_IOBUS_DEVS 200 struct kvm_io_device *devs[NR_IOBUS_DEVS]; }; @@ -116,6 +116,11 @@ struct kvm_memory_slot { int user_alloc; }; +static inline unsigned long kvm_dirty_bitmap_bytes(struct kvm_memory_slot *memslot) +{ + return ALIGN(memslot->npages, BITS_PER_LONG) / 8; +} + struct kvm_kernel_irq_routing_entry { u32 gsi; u32 type; diff --git a/include/linux/module.h b/include/linux/module.h index 6cb1a3c..bd465d4 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -457,7 +457,7 @@ void symbol_put_addr(void *addr); static inline local_t *__module_ref_addr(struct module *mod, int cpu) { #ifdef CONFIG_SMP - return (local_t *) (mod->refptr + per_cpu_offset(cpu)); + return (local_t *) per_cpu_ptr(mod->refptr, cpu); #else return &mod->ref; #endif diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 34fc6be..ebc4809 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -176,6 +176,7 @@ struct nfs_server { #define NFS_CAP_ATIME (1U << 11) #define NFS_CAP_CTIME (1U << 12) #define NFS_CAP_MTIME (1U << 13) +#define NFS_CAP_POSIX_LOCK (1U << 14) /* maximum number of slots to use */ diff --git a/include/linux/pci.h b/include/linux/pci.h index c1968f4..0afb527 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -959,6 +959,11 @@ static inline int pci_proc_domain(struct pci_bus *bus) } #endif /* CONFIG_PCI_DOMAINS */ +/* some architectures require additional setup to direct VGA traffic */ +typedef int (*arch_set_vga_state_t)(struct pci_dev *pdev, bool decode, + unsigned int command_bits, bool change_bridge); +extern void pci_register_set_vga_state(arch_set_vga_state_t func); + #else /* CONFIG_PCI is not enabled */ /* diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index cca8a04..0be8243 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2417,6 +2417,9 @@ #define PCI_DEVICE_ID_INTEL_82840_HB 0x1a21 #define PCI_DEVICE_ID_INTEL_82845_HB 0x1a30 #define PCI_DEVICE_ID_INTEL_IOAT 0x1a38 +#define PCI_DEVICE_ID_INTEL_CPT_SMBUS 0x1c22 +#define PCI_DEVICE_ID_INTEL_CPT_LPC1 0x1c42 +#define PCI_DEVICE_ID_INTEL_CPT_LPC2 0x1c43 #define PCI_DEVICE_ID_INTEL_82801AA_0 0x2410 #define PCI_DEVICE_ID_INTEL_82801AA_1 0x2411 #define PCI_DEVICE_ID_INTEL_82801AA_3 0x2413 diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c index 59e9ef6..eb3f34d 100644 --- a/kernel/cgroup_freezer.c +++ b/kernel/cgroup_freezer.c @@ -47,17 +47,20 @@ static inline struct freezer *task_freezer(struct task_struct *task) struct freezer, css); } -int cgroup_frozen(struct task_struct *task) +int cgroup_freezing_or_frozen(struct task_struct *task) { struct freezer *freezer; enum freezer_state state; task_lock(task); freezer = task_freezer(task); - state = freezer->state; + if (!freezer->css.cgroup->parent) + state = CGROUP_THAWED; /* root cgroup can't be frozen */ + else + state = freezer->state; task_unlock(task); - return state == CGROUP_FROZEN; + return (state == CGROUP_FREEZING) || (state == CGROUP_FROZEN); } /* diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 69a3d7b..0b23ff7 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -753,6 +753,16 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) if (new->flags & IRQF_ONESHOT) desc->status |= IRQ_ONESHOT; + /* + * Force MSI interrupts to run with interrupts + * disabled. The multi vector cards can cause stack + * overflows due to nested interrupts when enough of + * them are directed to a core and fire at the same + * time. + */ + if (desc->msi_desc) + new->flags |= IRQF_DISABLED; + if (!(desc->status & IRQ_NOAUTOEN)) { desc->depth = 0; desc->status &= ~IRQ_DISABLED; diff --git a/kernel/lockdep.c b/kernel/lockdep.c index c62ec14..493a0ef 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -600,9 +600,9 @@ static int static_obj(void *obj) * percpu var? */ for_each_possible_cpu(i) { - start = (unsigned long) &__per_cpu_start + per_cpu_offset(i); - end = (unsigned long) &__per_cpu_start + PERCPU_ENOUGH_ROOM - + per_cpu_offset(i); + start = (unsigned long) per_cpu_ptr(&__per_cpu_start, i); + end = (unsigned long) per_cpu_ptr(&__per_cpu_start, i) + + PERCPU_ENOUGH_ROOM; if ((addr >= start) && (addr < end)) return 1; diff --git a/kernel/module.c b/kernel/module.c index f82386b..5b6ce39 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -405,7 +405,7 @@ static void percpu_modcopy(void *pcpudest, const void *from, unsigned long size) int cpu; for_each_possible_cpu(cpu) - memcpy(pcpudest + per_cpu_offset(cpu), from, size); + memcpy(per_cpu_ptr(pcpudest, cpu), from, size); } #else /* ... !CONFIG_SMP */ diff --git a/kernel/power/process.c b/kernel/power/process.c index 5ade1bd..de53015 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -145,7 +145,7 @@ static void thaw_tasks(bool nosig_only) if (nosig_only && should_send_signal(p)) continue; - if (cgroup_frozen(p)) + if (cgroup_freezing_or_frozen(p)) continue; thaw_process(p); diff --git a/kernel/sched.c b/kernel/sched.c index 7ca9345..da19c1e 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -6717,7 +6717,9 @@ SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len, int ret; cpumask_var_t mask; - if (len < cpumask_size()) + if ((len * BITS_PER_BYTE) < nr_cpu_ids) + return -EINVAL; + if (len & (sizeof(unsigned long)-1)) return -EINVAL; if (!alloc_cpumask_var(&mask, GFP_KERNEL)) @@ -6725,10 +6727,12 @@ SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len, ret = sched_getaffinity(pid, mask); if (ret == 0) { - if (copy_to_user(user_mask_ptr, mask, cpumask_size())) + size_t retlen = min_t(size_t, len, cpumask_size()); + + if (copy_to_user(user_mask_ptr, mask, retlen)) ret = -EFAULT; else - ret = cpumask_size(); + ret = retlen; } free_cpumask_var(mask); diff --git a/mm/readahead.c b/mm/readahead.c index 337b20e..fe1a069 100644 --- a/mm/readahead.c +++ b/mm/readahead.c @@ -502,7 +502,7 @@ void page_cache_sync_readahead(struct address_space *mapping, return; /* be dumb */ - if (filp->f_mode & FMODE_RANDOM) { + if (filp && (filp->f_mode & FMODE_RANDOM)) { force_page_cache_readahead(mapping, filp, offset, req_size); return; } diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 6a43314..ba1fadb 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -749,9 +749,6 @@ ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) switch (fc & IEEE80211_FCTL_STYPE) { case IEEE80211_STYPE_ACTION: - if (skb->len < IEEE80211_MIN_ACTION_SIZE) - return RX_DROP_MONITOR; - /* fall through */ case IEEE80211_STYPE_PROBE_RESP: case IEEE80211_STYPE_BEACON: skb_queue_tail(&ifmsh->skb_queue, skb); diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index d28acb6..4eed81b 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -391,7 +391,7 @@ static u32 hwmp_route_info_get(struct ieee80211_sub_if_data *sdata, if (SN_GT(mpath->sn, orig_sn) || (mpath->sn == orig_sn && action == MPATH_PREQ && - new_metric > mpath->metric)) { + new_metric >= mpath->metric)) { process = false; fresh_info = false; } @@ -611,7 +611,7 @@ static void hwmp_prep_frame_process(struct ieee80211_sub_if_data *sdata, mesh_path_sel_frame_tx(MPATH_PREP, flags, orig_addr, cpu_to_le32(orig_sn), 0, target_addr, - cpu_to_le32(target_sn), mpath->next_hop->sta.addr, hopcount, + cpu_to_le32(target_sn), next_hop, hopcount, ttl, cpu_to_le32(lifetime), cpu_to_le32(metric), 0, sdata); rcu_read_unlock(); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index da92cde..edfa036 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2355,6 +2355,11 @@ static int prepare_for_handlers(struct ieee80211_sub_if_data *sdata, /* should never get here */ WARN_ON(1); break; + case MESH_PLINK_CATEGORY: + case MESH_PATH_SEL_CATEGORY: + if (ieee80211_vif_is_mesh(&sdata->vif)) + return ieee80211_mesh_rx_mgmt(sdata, rx->skb); + break; } return 1; diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 70c79c3..1fdc0a5 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1945,6 +1945,7 @@ static bool ieee80211_tx_pending_skb(struct ieee80211_local *local, void ieee80211_tx_pending(unsigned long data) { struct ieee80211_local *local = (struct ieee80211_local *)data; + struct ieee80211_sub_if_data *sdata; unsigned long flags; int i; bool txok; @@ -1983,6 +1984,11 @@ void ieee80211_tx_pending(unsigned long data) if (!txok) break; } + + if (skb_queue_empty(&local->pending[i])) + list_for_each_entry_rcu(sdata, &local->interfaces, list) + netif_tx_wake_queue( + netdev_get_tx_queue(sdata->dev, i)); } spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 3848140..27212e8 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -280,13 +280,13 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue, /* someone still has this queue stopped */ return; - if (!skb_queue_empty(&local->pending[queue])) + if (skb_queue_empty(&local->pending[queue])) { + rcu_read_lock(); + list_for_each_entry_rcu(sdata, &local->interfaces, list) + netif_tx_wake_queue(netdev_get_tx_queue(sdata->dev, queue)); + rcu_read_unlock(); + } else tasklet_schedule(&local->tx_pending_tasklet); - - rcu_read_lock(); - list_for_each_entry_rcu(sdata, &local->interfaces, list) - netif_tx_wake_queue(netdev_get_tx_queue(sdata->dev, queue)); - rcu_read_unlock(); } void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, @@ -1145,6 +1145,14 @@ int ieee80211_reconfig(struct ieee80211_local *local) } } + rcu_read_lock(); + if (hw->flags & IEEE80211_HW_AMPDU_AGGREGATION) { + list_for_each_entry_rcu(sta, &local->sta_list, list) { + ieee80211_sta_tear_down_BA_sessions(sta); + } + } + rcu_read_unlock(); + /* add back keys */ list_for_each_entry(sdata, &local->interfaces, list) if (netif_running(sdata->dev)) diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 9ace8eb..062a8b0 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -125,6 +125,7 @@ MODULE_SUPPORTED_DEVICE("{{Intel, ICH6}," "{Intel, ICH9}," "{Intel, ICH10}," "{Intel, PCH}," + "{Intel, CPT}," "{Intel, SCH}," "{ATI, SB450}," "{ATI, SB600}," @@ -449,6 +450,7 @@ struct azx { /* driver types */ enum { AZX_DRIVER_ICH, + AZX_DRIVER_PCH, AZX_DRIVER_SCH, AZX_DRIVER_ATI, AZX_DRIVER_ATIHDMI, @@ -463,6 +465,7 @@ enum { static char *driver_short_names[] __devinitdata = { [AZX_DRIVER_ICH] = "HDA Intel", + [AZX_DRIVER_PCH] = "HDA Intel PCH", [AZX_DRIVER_SCH] = "HDA Intel MID", [AZX_DRIVER_ATI] = "HDA ATI SB", [AZX_DRIVER_ATIHDMI] = "HDA ATI HDMI", @@ -1065,6 +1068,7 @@ static void azx_init_pci(struct azx *chip) 0x01, NVIDIA_HDA_ENABLE_COHBIT); break; case AZX_DRIVER_SCH: + case AZX_DRIVER_PCH: pci_read_config_word(chip->pci, INTEL_SCH_HDA_DEVC, &snoop); if (snoop & INTEL_SCH_HDA_DEVC_NOSNOOP) { pci_write_config_word(chip->pci, INTEL_SCH_HDA_DEVC, @@ -2268,6 +2272,7 @@ static struct snd_pci_quirk position_fix_list[] __devinitdata = { SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB), SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB), SND_PCI_QUIRK(0x1565, 0x820f, "Biostar Microtech", POS_FIX_LPIB), + SND_PCI_QUIRK(0x1565, 0x8218, "Biostar Microtech", POS_FIX_LPIB), SND_PCI_QUIRK(0x8086, 0xd601, "eMachines T5212", POS_FIX_LPIB), {} }; @@ -2357,6 +2362,8 @@ static struct snd_pci_quirk msi_black_list[] __devinitdata = { SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */ SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */ SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */ + SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */ + SND_PCI_QUIRK(0xa0a0, 0x0575, "Aopen MZ915-M", 0), /* ICH6 */ {} }; @@ -2431,6 +2438,7 @@ static int __devinit azx_create(struct snd_card *card, struct pci_dev *pci, if (bdl_pos_adj[dev] < 0) { switch (chip->driver_type) { case AZX_DRIVER_ICH: + case AZX_DRIVER_PCH: bdl_pos_adj[dev] = 1; break; default: @@ -2709,6 +2717,8 @@ static struct pci_device_id azx_ids[] = { { PCI_DEVICE(0x8086, 0x3a6e), .driver_data = AZX_DRIVER_ICH }, /* PCH */ { PCI_DEVICE(0x8086, 0x3b56), .driver_data = AZX_DRIVER_ICH }, + /* CPT */ + { PCI_DEVICE(0x8086, 0x1c20), .driver_data = AZX_DRIVER_PCH }, /* SCH */ { PCI_DEVICE(0x8086, 0x811b), .driver_data = AZX_DRIVER_SCH }, /* ATI SB 450/600 */ diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c index 7069441..263bf3b 100644 --- a/sound/pci/hda/patch_analog.c +++ b/sound/pci/hda/patch_analog.c @@ -1805,6 +1805,14 @@ static int patch_ad1981(struct hda_codec *codec) case AD1981_THINKPAD: spec->mixers[0] = ad1981_thinkpad_mixers; spec->input_mux = &ad1981_thinkpad_capture_source; + /* set the upper-limit for mixer amp to 0dB for avoiding the + * possible damage by overloading + */ + snd_hda_override_amp_caps(codec, 0x11, HDA_INPUT, + (0x17 << AC_AMPCAP_OFFSET_SHIFT) | + (0x17 << AC_AMPCAP_NUM_STEPS_SHIFT) | + (0x05 << AC_AMPCAP_STEP_SIZE_SHIFT) | + (1 << AC_AMPCAP_MUTE_SHIFT)); break; case AD1981_TOSHIBA: spec->mixers[0] = ad1981_hp_mixers; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index a79f841..bd8a567 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -9074,6 +9074,7 @@ static struct snd_pci_quirk alc882_cfg_tbl[] = { SND_PCI_QUIRK(0x1462, 0xaa08, "MSI", ALC883_TARGA_2ch_DIG), SND_PCI_QUIRK(0x147b, 0x1083, "Abit IP35-PRO", ALC883_6ST_DIG), + SND_PCI_QUIRK(0x1558, 0x0571, "Clevo laptop M570U", ALC883_3ST_6ch_DIG), SND_PCI_QUIRK(0x1558, 0x0721, "Clevo laptop M720R", ALC883_CLEVO_M720), SND_PCI_QUIRK(0x1558, 0x0722, "Clevo laptop M720SR", ALC883_CLEVO_M720), SND_PCI_QUIRK(0x1558, 0x5409, "Clevo laptop M540R", ALC883_CLEVO_M540R), diff --git a/sound/pci/mixart/mixart.c b/sound/pci/mixart/mixart.c index a83d196..32f9853 100644 --- a/sound/pci/mixart/mixart.c +++ b/sound/pci/mixart/mixart.c @@ -1161,13 +1161,15 @@ static long snd_mixart_BA0_read(struct snd_info_entry *entry, void *file_private unsigned long count, unsigned long pos) { struct mixart_mgr *mgr = entry->private_data; + unsigned long maxsize; - count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ - if(count <= 0) + if (pos >= MIXART_BA0_SIZE) return 0; - if(pos + count > MIXART_BA0_SIZE) - count = (long)(MIXART_BA0_SIZE - pos); - if(copy_to_user_fromio(buf, MIXART_MEM( mgr, pos ), count)) + maxsize = MIXART_BA0_SIZE - pos; + if (count > maxsize) + count = maxsize; + count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ + if (copy_to_user_fromio(buf, MIXART_MEM(mgr, pos), count)) return -EFAULT; return count; } @@ -1180,13 +1182,15 @@ static long snd_mixart_BA1_read(struct snd_info_entry *entry, void *file_private unsigned long count, unsigned long pos) { struct mixart_mgr *mgr = entry->private_data; + unsigned long maxsize; - count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ - if(count <= 0) + if (pos > MIXART_BA1_SIZE) return 0; - if(pos + count > MIXART_BA1_SIZE) - count = (long)(MIXART_BA1_SIZE - pos); - if(copy_to_user_fromio(buf, MIXART_REG( mgr, pos ), count)) + maxsize = MIXART_BA1_SIZE - pos; + if (count > maxsize) + count = maxsize; + count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ + if (copy_to_user_fromio(buf, MIXART_REG(mgr, pos), count)) return -EFAULT; return count; } diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c index b2da478..c7cb207 100644 --- a/sound/usb/usbmidi.c +++ b/sound/usb/usbmidi.c @@ -984,6 +984,8 @@ static void snd_usbmidi_output_drain(struct snd_rawmidi_substream *substream) DEFINE_WAIT(wait); long timeout = msecs_to_jiffies(50); + if (ep->umidi->disconnected) + return; /* * The substream buffer is empty, but some data might still be in the * currently active URBs, so we have to wait for those to complete. @@ -1121,14 +1123,21 @@ static int snd_usbmidi_in_endpoint_create(struct snd_usb_midi* umidi, * Frees an output endpoint. * May be called when ep hasn't been initialized completely. */ -static void snd_usbmidi_out_endpoint_delete(struct snd_usb_midi_out_endpoint* ep) +static void snd_usbmidi_out_endpoint_clear(struct snd_usb_midi_out_endpoint *ep) { unsigned int i; for (i = 0; i < OUTPUT_URBS; ++i) - if (ep->urbs[i].urb) + if (ep->urbs[i].urb) { free_urb_and_buffer(ep->umidi, ep->urbs[i].urb, ep->max_transfer); + ep->urbs[i].urb = NULL; + } +} + +static void snd_usbmidi_out_endpoint_delete(struct snd_usb_midi_out_endpoint *ep) +{ + snd_usbmidi_out_endpoint_clear(ep); kfree(ep); } @@ -1260,15 +1269,18 @@ void snd_usbmidi_disconnect(struct list_head* p) usb_kill_urb(ep->out->urbs[j].urb); if (umidi->usb_protocol_ops->finish_out_endpoint) umidi->usb_protocol_ops->finish_out_endpoint(ep->out); + ep->out->active_urbs = 0; + if (ep->out->drain_urbs) { + ep->out->drain_urbs = 0; + wake_up(&ep->out->drain_wait); + } } if (ep->in) for (j = 0; j < INPUT_URBS; ++j) usb_kill_urb(ep->in->urbs[j]); /* free endpoints here; later call can result in Oops */ - if (ep->out) { - snd_usbmidi_out_endpoint_delete(ep->out); - ep->out = NULL; - } + if (ep->out) + snd_usbmidi_out_endpoint_clear(ep->out); if (ep->in) { snd_usbmidi_in_endpoint_delete(ep->in); ep->in = NULL; diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index a944be3..9dd98cb 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -636,7 +636,7 @@ skip_lpage: /* Allocate page dirty bitmap if needed */ if ((new.flags & KVM_MEM_LOG_DIRTY_PAGES) && !new.dirty_bitmap) { - unsigned dirty_bytes = ALIGN(npages, BITS_PER_LONG) / 8; + unsigned long dirty_bytes = kvm_dirty_bitmap_bytes(&new); new.dirty_bitmap = vmalloc(dirty_bytes); if (!new.dirty_bitmap) @@ -719,7 +719,7 @@ int kvm_get_dirty_log(struct kvm *kvm, { struct kvm_memory_slot *memslot; int r, i; - int n; + unsigned long n; unsigned long any = 0; r = -EINVAL; @@ -731,7 +731,7 @@ int kvm_get_dirty_log(struct kvm *kvm, if (!memslot->dirty_bitmap) goto out; - n = ALIGN(memslot->npages, BITS_PER_LONG) / 8; + n = kvm_dirty_bitmap_bytes(memslot); for (i = 0; !any && i < n/sizeof(long); ++i) any = memslot->dirty_bitmap[i]; @@ -1073,10 +1073,13 @@ void mark_page_dirty(struct kvm *kvm, gfn_t gfn) memslot = gfn_to_memslot_unaliased(kvm, gfn); if (memslot && memslot->dirty_bitmap) { unsigned long rel_gfn = gfn - memslot->base_gfn; + unsigned long *p = memslot->dirty_bitmap + + rel_gfn / BITS_PER_LONG; + int offset = rel_gfn % BITS_PER_LONG; /* avoid RMW */ - if (!generic_test_le_bit(rel_gfn, memslot->dirty_bitmap)) - generic___set_le_bit(rel_gfn, memslot->dirty_bitmap); + if (!generic_test_le_bit(offset, p)) + generic___set_le_bit(offset, p); } }