From: Ingo Molnar <mingo@elte.hu> To: Linus Torvalds <torvalds@linux-foundation.org> Cc: linux-kernel@vger.kernel.org, Andrew Morton <akpm@linux-foundation.org>, Thomas Gleixner <tglx@linutronix.de>, "H. Peter Anvin" <hpa@zytor.com> Subject: [git pull] x86 fixes Date: Mon, 26 Jan 2009 18:17:23 +0100 [thread overview] Message-ID: <20090126171723.GA32030@elte.hu> (raw) Linus, Please pull the latest x86-fixes-for-linus git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git x86-fixes-for-linus out-of-topic modifications in x86-fixes-for-linus: -------------------------------------------------- include/asm-generic/bitops/__ffs.h # c839994: x86, generic: mark complex bitops include/asm-generic/bitops/__fls.h # c839994: x86, generic: mark complex bitops include/asm-generic/bitops/fls.h # c839994: x86, generic: mark complex bitops include/asm-generic/bitops/fls64.h # c839994: x86, generic: mark complex bitops kernel/workqueue.c # 8ccad40: work_on_cpu: Use our own workqueu # 31ad908: work_on_cpu: don't try to get_onl Thanks, Ingo ------------------> Andi Kleen (2): x86, generic: mark complex bitops.h inlines as __always_inline x86: use early clobbers in usercopy*.c Cliff Wickman (1): x86, UV: cpu_relax in uv_wait_completion Dan Magenheimer (1): xen: actually release memory when shrinking domain Eric Anholt (1): x86: work around PAGE_KERNEL_WC not getting WC in iomap_atomic_prot_pfn. Gary Hade (1): x86: remove kernel_physical_mapping_init() from init section H. Peter Anvin (2): x86: add MSR_IA32_MISC_ENABLE bits to <asm/msr-index.h> x86: unmask CPUID levels on Intel CPUs Ian Campbell (2): xen: handle highmem pages correctly when shrinking a domain xen: unitialised return value in xenbus_write_transaction Ingo Molnar (5): x86, cpufreq: remove leftover copymask_copy() fix: crash: IP: __bitmap_intersects+0x48/0x73 Revert "x86: signal: change type of paramter for sys_rt_sigreturn()" x86: use standard PIT frequency x86: unmask CPUID levels on Intel CPUs, fix Jan Beulich (2): x86: avoid early crash in disable_local_APIC() x86: fix assumed to be contiguous leaf page tables for kmap_atomic region (take 2) Jeff Mahoney (1): x86: define ARCH_WANT_FRAME_POINTERS Leonardo Potenza (1): x86: fix section mismatch warnings in kernel/setup_percpu.c Mike Travis (2): x86: put trigger in to detect mismatched apic versions cpufreq: use work_on_cpu in acpi-cpufreq.c for drv_read and drv_write Peter Zijlstra (1): x86, mm: fix pte_free() Rakib Mullick (1): x86: fix section mismatch warning Rusty Russell (2): work_on_cpu: don't try to get_online_cpus() in work_on_cpu. work_on_cpu: Use our own workqueue. Suresh Siddha (3): x86, pat: fix reserve_memtype() for legacy 1MB range x86: fix page attribute corruption with cpa() x86: fix PTE corruption issue while mapping RAM using /dev/mem Thomas Renninger (1): x86: mtrr fix debug boot parameter arch/x86/include/asm/bitops.h | 14 ++++++-- arch/x86/include/asm/io.h | 1 - arch/x86/include/asm/msr-index.h | 29 ++++++++++++++++ arch/x86/include/asm/pgalloc.h | 1 + arch/x86/include/asm/syscalls.h | 2 +- arch/x86/include/asm/timex.h | 13 ++----- arch/x86/kernel/apic.c | 9 +++++ arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 35 +++++++------------ arch/x86/kernel/cpu/intel.c | 13 +++++++ arch/x86/kernel/cpu/mtrr/generic.c | 12 ++++--- arch/x86/kernel/setup_percpu.c | 2 +- arch/x86/kernel/signal.c | 11 +++++- arch/x86/kernel/tlb_uv.c | 1 + arch/x86/kernel/vmi_32.c | 2 +- arch/x86/lib/usercopy_32.c | 4 +- arch/x86/lib/usercopy_64.c | 4 +- arch/x86/mm/init_32.c | 48 +++++++++++++++++++++++++-- arch/x86/mm/init_64.c | 2 +- arch/x86/mm/iomap_32.c | 10 ++++++ arch/x86/mm/ioremap.c | 25 -------------- arch/x86/mm/pageattr.c | 49 +++++++++++++++++++-------- arch/x86/mm/pat.c | 43 +++++++++++++++++------- drivers/xen/balloon.c | 8 ++++ drivers/xen/xenfs/xenbus.c | 11 +++--- include/asm-generic/bitops/__ffs.h | 2 +- include/asm-generic/bitops/__fls.h | 2 +- include/asm-generic/bitops/fls.h | 2 +- include/asm-generic/bitops/fls64.h | 4 +- kernel/workqueue.c | 20 ++++++------ lib/Kconfig.debug | 9 +++++ 30 files changed, 260 insertions(+), 128 deletions(-) diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index e02a359..02b47a6 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h @@ -3,6 +3,9 @@ /* * Copyright 1992, Linus Torvalds. + * + * Note: inlines with more than a single statement should be marked + * __always_inline to avoid problems with older gcc's inlining heuristics. */ #ifndef _LINUX_BITOPS_H @@ -53,7 +56,8 @@ * Note that @nr may be almost arbitrarily large; this function is not * restricted to acting on a single-word quantity. */ -static inline void set_bit(unsigned int nr, volatile unsigned long *addr) +static __always_inline void +set_bit(unsigned int nr, volatile unsigned long *addr) { if (IS_IMMEDIATE(nr)) { asm volatile(LOCK_PREFIX "orb %1,%0" @@ -90,7 +94,8 @@ static inline void __set_bit(int nr, volatile unsigned long *addr) * you should call smp_mb__before_clear_bit() and/or smp_mb__after_clear_bit() * in order to ensure changes are visible on other processors. */ -static inline void clear_bit(int nr, volatile unsigned long *addr) +static __always_inline void +clear_bit(int nr, volatile unsigned long *addr) { if (IS_IMMEDIATE(nr)) { asm volatile(LOCK_PREFIX "andb %1,%0" @@ -204,7 +209,8 @@ static inline int test_and_set_bit(int nr, volatile unsigned long *addr) * * This is the same as test_and_set_bit on x86. */ -static inline int test_and_set_bit_lock(int nr, volatile unsigned long *addr) +static __always_inline int +test_and_set_bit_lock(int nr, volatile unsigned long *addr) { return test_and_set_bit(nr, addr); } @@ -300,7 +306,7 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr) return oldbit; } -static inline int constant_test_bit(unsigned int nr, const volatile unsigned long *addr) +static __always_inline int constant_test_bit(unsigned int nr, const volatile unsigned long *addr) { return ((1UL << (nr % BITS_PER_LONG)) & (((unsigned long *)addr)[nr / BITS_PER_LONG])) != 0; diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 05cfed4..1dbbdf4 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -99,7 +99,6 @@ extern void __iomem *ioremap_wc(unsigned long offset, unsigned long size); * A boot-time mapping is currently limited to at most 16 pages. */ extern void early_ioremap_init(void); -extern void early_ioremap_clear(void); extern void early_ioremap_reset(void); extern void __iomem *early_ioremap(unsigned long offset, unsigned long size); extern void __iomem *early_memremap(unsigned long offset, unsigned long size); diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index cb58643..358acc5 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -202,6 +202,35 @@ #define MSR_IA32_THERM_STATUS 0x0000019c #define MSR_IA32_MISC_ENABLE 0x000001a0 +/* MISC_ENABLE bits: architectural */ +#define MSR_IA32_MISC_ENABLE_FAST_STRING (1ULL << 0) +#define MSR_IA32_MISC_ENABLE_TCC (1ULL << 1) +#define MSR_IA32_MISC_ENABLE_EMON (1ULL << 7) +#define MSR_IA32_MISC_ENABLE_BTS_UNAVAIL (1ULL << 11) +#define MSR_IA32_MISC_ENABLE_PEBS_UNAVAIL (1ULL << 12) +#define MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP (1ULL << 16) +#define MSR_IA32_MISC_ENABLE_MWAIT (1ULL << 18) +#define MSR_IA32_MISC_ENABLE_LIMIT_CPUID (1ULL << 22) +#define MSR_IA32_MISC_ENABLE_XTPR_DISABLE (1ULL << 23) +#define MSR_IA32_MISC_ENABLE_XD_DISABLE (1ULL << 34) + +/* MISC_ENABLE bits: model-specific, meaning may vary from core to core */ +#define MSR_IA32_MISC_ENABLE_X87_COMPAT (1ULL << 2) +#define MSR_IA32_MISC_ENABLE_TM1 (1ULL << 3) +#define MSR_IA32_MISC_ENABLE_SPLIT_LOCK_DISABLE (1ULL << 4) +#define MSR_IA32_MISC_ENABLE_L3CACHE_DISABLE (1ULL << 6) +#define MSR_IA32_MISC_ENABLE_SUPPRESS_LOCK (1ULL << 8) +#define MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE (1ULL << 9) +#define MSR_IA32_MISC_ENABLE_FERR (1ULL << 10) +#define MSR_IA32_MISC_ENABLE_FERR_MULTIPLEX (1ULL << 10) +#define MSR_IA32_MISC_ENABLE_TM2 (1ULL << 13) +#define MSR_IA32_MISC_ENABLE_ADJ_PREF_DISABLE (1ULL << 19) +#define MSR_IA32_MISC_ENABLE_SPEEDSTEP_LOCK (1ULL << 20) +#define MSR_IA32_MISC_ENABLE_L1D_CONTEXT (1ULL << 24) +#define MSR_IA32_MISC_ENABLE_DCU_PREF_DISABLE (1ULL << 37) +#define MSR_IA32_MISC_ENABLE_TURBO_DISABLE (1ULL << 38) +#define MSR_IA32_MISC_ENABLE_IP_PREF_DISABLE (1ULL << 39) + /* Intel Model 6 */ #define MSR_P6_EVNTSEL0 0x00000186 #define MSR_P6_EVNTSEL1 0x00000187 diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h index cb7c151..dd14c54 100644 --- a/arch/x86/include/asm/pgalloc.h +++ b/arch/x86/include/asm/pgalloc.h @@ -42,6 +42,7 @@ static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) static inline void pte_free(struct mm_struct *mm, struct page *pte) { + pgtable_page_dtor(pte); __free_page(pte); } diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index 9c6797c..c0b0bda 100644 --- a/arch/x86/include/asm/syscalls.h +++ b/arch/x86/include/asm/syscalls.h @@ -40,7 +40,7 @@ asmlinkage int sys_sigaction(int, const struct old_sigaction __user *, struct old_sigaction __user *); asmlinkage int sys_sigaltstack(unsigned long); asmlinkage unsigned long sys_sigreturn(unsigned long); -asmlinkage int sys_rt_sigreturn(struct pt_regs); +asmlinkage int sys_rt_sigreturn(unsigned long); /* kernel/ioport.c */ asmlinkage long sys_iopl(unsigned long); diff --git a/arch/x86/include/asm/timex.h b/arch/x86/include/asm/timex.h index 1287dc1..b5c9d45 100644 --- a/arch/x86/include/asm/timex.h +++ b/arch/x86/include/asm/timex.h @@ -1,18 +1,13 @@ -/* x86 architecture timex specifications */ #ifndef _ASM_X86_TIMEX_H #define _ASM_X86_TIMEX_H #include <asm/processor.h> #include <asm/tsc.h> -#ifdef CONFIG_X86_ELAN -# define PIT_TICK_RATE 1189200 /* AMD Elan has different frequency! */ -#elif defined(CONFIG_X86_RDC321X) -# define PIT_TICK_RATE 1041667 /* Underlying HZ for R8610 */ -#else -# define PIT_TICK_RATE 1193182 /* Underlying HZ */ -#endif -#define CLOCK_TICK_RATE PIT_TICK_RATE +/* The PIT ticks at this frequency (in HZ): */ +#define PIT_TICK_RATE 1193182 + +#define CLOCK_TICK_RATE PIT_TICK_RATE #define ARCH_HAS_READ_CURRENT_TIMER diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c index 0f830e4..4b6df24 100644 --- a/arch/x86/kernel/apic.c +++ b/arch/x86/kernel/apic.c @@ -895,6 +895,10 @@ void disable_local_APIC(void) { unsigned int value; + /* APIC hasn't been mapped yet */ + if (!apic_phys) + return; + clear_local_APIC(); /* @@ -1833,6 +1837,11 @@ void __cpuinit generic_processor_info(int apicid, int version) num_processors++; cpu = cpumask_next_zero(-1, cpu_present_mask); + if (version != apic_version[boot_cpu_physical_apicid]) + WARN_ONCE(1, + "ACPI: apic version mismatch, bootcpu: %x cpu %d: %x\n", + apic_version[boot_cpu_physical_apicid], cpu, version); + physid_set(apicid, phys_cpu_present_map); if (apicid == boot_cpu_physical_apicid) { /* diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c index 6f11e02..4b1c319 100644 --- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c +++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c @@ -145,13 +145,14 @@ typedef union { struct drv_cmd { unsigned int type; - cpumask_var_t mask; + const struct cpumask *mask; drv_addr_union addr; u32 val; }; -static void do_drv_read(struct drv_cmd *cmd) +static long do_drv_read(void *_cmd) { + struct drv_cmd *cmd = _cmd; u32 h; switch (cmd->type) { @@ -166,10 +167,12 @@ static void do_drv_read(struct drv_cmd *cmd) default: break; } + return 0; } -static void do_drv_write(struct drv_cmd *cmd) +static long do_drv_write(void *_cmd) { + struct drv_cmd *cmd = _cmd; u32 lo, hi; switch (cmd->type) { @@ -186,30 +189,23 @@ static void do_drv_write(struct drv_cmd *cmd) default: break; } + return 0; } static void drv_read(struct drv_cmd *cmd) { - cpumask_t saved_mask = current->cpus_allowed; cmd->val = 0; - set_cpus_allowed_ptr(current, cmd->mask); - do_drv_read(cmd); - set_cpus_allowed_ptr(current, &saved_mask); + work_on_cpu(cpumask_any(cmd->mask), do_drv_read, cmd); } static void drv_write(struct drv_cmd *cmd) { - cpumask_t saved_mask = current->cpus_allowed; unsigned int i; for_each_cpu(i, cmd->mask) { - set_cpus_allowed_ptr(current, cpumask_of(i)); - do_drv_write(cmd); + work_on_cpu(i, do_drv_write, cmd); } - - set_cpus_allowed_ptr(current, &saved_mask); - return; } static u32 get_cur_val(const struct cpumask *mask) @@ -235,8 +231,7 @@ static u32 get_cur_val(const struct cpumask *mask) return 0; } - cpumask_copy(cmd.mask, mask); - + cmd.mask = mask; drv_read(&cmd); dprintk("get_cur_val = %u\n", cmd.val); @@ -368,7 +363,7 @@ static unsigned int get_cur_freq_on_cpu(unsigned int cpu) return freq; } -static unsigned int check_freqs(const cpumask_t *mask, unsigned int freq, +static unsigned int check_freqs(const struct cpumask *mask, unsigned int freq, struct acpi_cpufreq_data *data) { unsigned int cur_freq; @@ -403,9 +398,6 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy, return -ENODEV; } - if (unlikely(!alloc_cpumask_var(&cmd.mask, GFP_KERNEL))) - return -ENOMEM; - perf = data->acpi_data; result = cpufreq_frequency_table_target(policy, data->freq_table, @@ -450,9 +442,9 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy, /* cpufreq holds the hotplug lock, so we are safe from here on */ if (policy->shared_type != CPUFREQ_SHARED_TYPE_ANY) - cpumask_and(cmd.mask, cpu_online_mask, policy->cpus); + cmd.mask = policy->cpus; else - cpumask_copy(cmd.mask, cpumask_of(policy->cpu)); + cmd.mask = cpumask_of(policy->cpu); freqs.old = perf->states[perf->state].core_frequency * 1000; freqs.new = data->freq_table[next_state].frequency; @@ -479,7 +471,6 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy, perf->state = next_perf_state; out: - free_cpumask_var(cmd.mask); return result; } diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 8ea6929..549f2ad 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -29,6 +29,19 @@ static void __cpuinit early_init_intel(struct cpuinfo_x86 *c) { + /* Unmask CPUID levels if masked: */ + if (c->x86 == 6 && c->x86_model >= 15) { + u64 misc_enable; + + rdmsrl(MSR_IA32_MISC_ENABLE, misc_enable); + + if (misc_enable & MSR_IA32_MISC_ENABLE_LIMIT_CPUID) { + misc_enable &= ~MSR_IA32_MISC_ENABLE_LIMIT_CPUID; + wrmsrl(MSR_IA32_MISC_ENABLE, misc_enable); + c->cpuid_level = cpuid_eax(0); + } + } + if ((c->x86 == 0xf && c->x86_model >= 0x03) || (c->x86 == 0x6 && c->x86_model >= 0x0e)) set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC); diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c index b59ddcc..0c0a455 100644 --- a/arch/x86/kernel/cpu/mtrr/generic.c +++ b/arch/x86/kernel/cpu/mtrr/generic.c @@ -33,11 +33,13 @@ u64 mtrr_tom2; struct mtrr_state_type mtrr_state = {}; EXPORT_SYMBOL_GPL(mtrr_state); -#undef MODULE_PARAM_PREFIX -#define MODULE_PARAM_PREFIX "mtrr." - -static int mtrr_show; -module_param_named(show, mtrr_show, bool, 0); +static int __initdata mtrr_show; +static int __init mtrr_debug(char *opt) +{ + mtrr_show = 1; + return 0; +} +early_param("mtrr.show", mtrr_debug); /* * Returns the effective MTRR type for the region diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c index 55c4607..0116107 100644 --- a/arch/x86/kernel/setup_percpu.c +++ b/arch/x86/kernel/setup_percpu.c @@ -136,7 +136,7 @@ static void __init setup_cpu_pda_map(void) #ifdef CONFIG_X86_64 /* correctly size the local cpu masks */ -static void setup_cpu_local_masks(void) +static void __init setup_cpu_local_masks(void) { alloc_bootmem_cpumask_var(&cpu_initialized_mask); alloc_bootmem_cpumask_var(&cpu_callin_mask); diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 89bb766..df0587f 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -632,9 +632,16 @@ badframe: } #ifdef CONFIG_X86_32 -asmlinkage int sys_rt_sigreturn(struct pt_regs regs) +/* + * Note: do not pass in pt_regs directly as with tail-call optimization + * GCC will incorrectly stomp on the caller's frame and corrupt user-space + * register state: + */ +asmlinkage int sys_rt_sigreturn(unsigned long __unused) { - return do_rt_sigreturn(®s); + struct pt_regs *regs = (struct pt_regs *)&__unused; + + return do_rt_sigreturn(regs); } #else /* !CONFIG_X86_32 */ asmlinkage long sys_rt_sigreturn(struct pt_regs *regs) diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c index f885023..6812b82 100644 --- a/arch/x86/kernel/tlb_uv.c +++ b/arch/x86/kernel/tlb_uv.c @@ -200,6 +200,7 @@ static int uv_wait_completion(struct bau_desc *bau_desc, destination_timeouts = 0; } } + cpu_relax(); } return FLUSH_COMPLETE; } diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c index 23206ba..1d3302c 100644 --- a/arch/x86/kernel/vmi_32.c +++ b/arch/x86/kernel/vmi_32.c @@ -858,7 +858,7 @@ void __init vmi_init(void) #endif } -void vmi_activate(void) +void __init vmi_activate(void) { unsigned long flags; diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c index 4a20b2f..7c8ca91 100644 --- a/arch/x86/lib/usercopy_32.c +++ b/arch/x86/lib/usercopy_32.c @@ -56,7 +56,7 @@ do { \ " jmp 2b\n" \ ".previous\n" \ _ASM_EXTABLE(0b,3b) \ - : "=d"(res), "=c"(count), "=&a" (__d0), "=&S" (__d1), \ + : "=&d"(res), "=&c"(count), "=&a" (__d0), "=&S" (__d1), \ "=&D" (__d2) \ : "i"(-EFAULT), "0"(count), "1"(count), "3"(src), "4"(dst) \ : "memory"); \ @@ -218,7 +218,7 @@ long strnlen_user(const char __user *s, long n) " .align 4\n" " .long 0b,2b\n" ".previous" - :"=r" (n), "=D" (s), "=a" (res), "=c" (tmp) + :"=&r" (n), "=&D" (s), "=&a" (res), "=&c" (tmp) :"0" (n), "1" (s), "2" (0), "3" (mask) :"cc"); return res & mask; diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c index 64d6c84..ec13cb5 100644 --- a/arch/x86/lib/usercopy_64.c +++ b/arch/x86/lib/usercopy_64.c @@ -32,7 +32,7 @@ do { \ " jmp 2b\n" \ ".previous\n" \ _ASM_EXTABLE(0b,3b) \ - : "=r"(res), "=c"(count), "=&a" (__d0), "=&S" (__d1), \ + : "=&r"(res), "=&c"(count), "=&a" (__d0), "=&S" (__d1), \ "=&D" (__d2) \ : "i"(-EFAULT), "0"(count), "1"(count), "3"(src), "4"(dst) \ : "memory"); \ @@ -86,7 +86,7 @@ unsigned long __clear_user(void __user *addr, unsigned long size) ".previous\n" _ASM_EXTABLE(0b,3b) _ASM_EXTABLE(1b,2b) - : [size8] "=c"(size), [dst] "=&D" (__d0) + : [size8] "=&c"(size), [dst] "=&D" (__d0) : [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(addr), [zero] "r" (0UL), [eight] "r" (8UL)); return size; diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 88f1b10..2cef050 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c @@ -138,6 +138,47 @@ static pte_t * __init one_page_table_init(pmd_t *pmd) return pte_offset_kernel(pmd, 0); } +static pte_t *__init page_table_kmap_check(pte_t *pte, pmd_t *pmd, + unsigned long vaddr, pte_t *lastpte) +{ +#ifdef CONFIG_HIGHMEM + /* + * Something (early fixmap) may already have put a pte + * page here, which causes the page table allocation + * to become nonlinear. Attempt to fix it, and if it + * is still nonlinear then we have to bug. + */ + int pmd_idx_kmap_begin = fix_to_virt(FIX_KMAP_END) >> PMD_SHIFT; + int pmd_idx_kmap_end = fix_to_virt(FIX_KMAP_BEGIN) >> PMD_SHIFT; + + if (pmd_idx_kmap_begin != pmd_idx_kmap_end + && (vaddr >> PMD_SHIFT) >= pmd_idx_kmap_begin + && (vaddr >> PMD_SHIFT) <= pmd_idx_kmap_end + && ((__pa(pte) >> PAGE_SHIFT) < table_start + || (__pa(pte) >> PAGE_SHIFT) >= table_end)) { + pte_t *newpte; + int i; + + BUG_ON(after_init_bootmem); + newpte = alloc_low_page(); + for (i = 0; i < PTRS_PER_PTE; i++) + set_pte(newpte + i, pte[i]); + + paravirt_alloc_pte(&init_mm, __pa(newpte) >> PAGE_SHIFT); + set_pmd(pmd, __pmd(__pa(newpte)|_PAGE_TABLE)); + BUG_ON(newpte != pte_offset_kernel(pmd, 0)); + __flush_tlb_all(); + + paravirt_release_pte(__pa(pte) >> PAGE_SHIFT); + pte = newpte; + } + BUG_ON(vaddr < fix_to_virt(FIX_KMAP_BEGIN - 1) + && vaddr > fix_to_virt(FIX_KMAP_END) + && lastpte && lastpte + PTRS_PER_PTE != pte); +#endif + return pte; +} + /* * This function initializes a certain range of kernel virtual memory * with new bootmem page tables, everywhere page tables are missing in @@ -154,6 +195,7 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base) unsigned long vaddr; pgd_t *pgd; pmd_t *pmd; + pte_t *pte = NULL; vaddr = start; pgd_idx = pgd_index(vaddr); @@ -165,7 +207,8 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base) pmd = pmd + pmd_index(vaddr); for (; (pmd_idx < PTRS_PER_PMD) && (vaddr != end); pmd++, pmd_idx++) { - one_page_table_init(pmd); + pte = page_table_kmap_check(one_page_table_init(pmd), + pmd, vaddr, pte); vaddr += PMD_SIZE; } @@ -508,7 +551,6 @@ static void __init early_ioremap_page_table_range_init(pgd_t *pgd_base) * Fixed mappings, only the page table structure has to be * created - mappings will be set by set_fixmap(): */ - early_ioremap_clear(); vaddr = __fix_to_virt(__end_of_fixed_addresses - 1) & PMD_MASK; end = (FIXADDR_TOP + PMD_SIZE - 1) & PMD_MASK; page_table_range_init(vaddr, end, pgd_base); @@ -801,7 +843,7 @@ static void __init find_early_table_space(unsigned long end, int use_pse) tables += PAGE_ALIGN(ptes * sizeof(pte_t)); /* for fixmap */ - tables += PAGE_SIZE * 2; + tables += PAGE_ALIGN(__end_of_fixed_addresses * sizeof(pte_t)); /* * RED-PEN putting page tables only on node 0 could diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 23f68e7..e6d36b4 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -596,7 +596,7 @@ static void __init init_gbpages(void) direct_gbpages = 0; } -static unsigned long __init kernel_physical_mapping_init(unsigned long start, +static unsigned long __meminit kernel_physical_mapping_init(unsigned long start, unsigned long end, unsigned long page_size_mask) { diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c index d0151d8..ca53224 100644 --- a/arch/x86/mm/iomap_32.c +++ b/arch/x86/mm/iomap_32.c @@ -17,6 +17,7 @@ */ #include <asm/iomap.h> +#include <asm/pat.h> #include <linux/module.h> /* Map 'pfn' using fixed map 'type' and protections 'prot' @@ -29,6 +30,15 @@ iomap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot) pagefault_disable(); + /* + * For non-PAT systems, promote PAGE_KERNEL_WC to PAGE_KERNEL_UC_MINUS. + * PAGE_KERNEL_WC maps to PWT, which translates to uncached if the + * MTRR is UC or WC. UC_MINUS gets the real intention, of the + * user, which is "WC if the MTRR is WC, UC if you can't do that." + */ + if (!pat_enabled && pgprot_val(prot) == pgprot_val(PAGE_KERNEL_WC)) + prot = PAGE_KERNEL_UC_MINUS; + idx = type + KM_TYPE_NR*smp_processor_id(); vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); set_pte(kmap_pte-idx, pfn_pte(pfn, prot)); diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index bd85d42..af750ab 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -557,34 +557,9 @@ void __init early_ioremap_init(void) } } -void __init early_ioremap_clear(void) -{ - pmd_t *pmd; - - if (early_ioremap_debug) - printk(KERN_INFO "early_ioremap_clear()\n"); - - pmd = early_ioremap_pmd(fix_to_virt(FIX_BTMAP_BEGIN)); - pmd_clear(pmd); - paravirt_release_pte(__pa(bm_pte) >> PAGE_SHIFT); - __flush_tlb_all(); -} - void __init early_ioremap_reset(void) { - enum fixed_addresses idx; - unsigned long addr, phys; - pte_t *pte; - after_paging_init = 1; - for (idx = FIX_BTMAP_BEGIN; idx >= FIX_BTMAP_END; idx--) { - addr = fix_to_virt(idx); - pte = early_ioremap_pte(addr); - if (pte_present(*pte)) { - phys = pte_val(*pte) & PAGE_MASK; - set_fixmap(idx, phys); - } - } } static void __init __early_set_fixmap(enum fixed_addresses idx, diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index e89d248..84ba748 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -534,6 +534,36 @@ out_unlock: return 0; } +static int __cpa_process_fault(struct cpa_data *cpa, unsigned long vaddr, + int primary) +{ + /* + * Ignore all non primary paths. + */ + if (!primary) + return 0; + + /* + * Ignore the NULL PTE for kernel identity mapping, as it is expected + * to have holes. + * Also set numpages to '1' indicating that we processed cpa req for + * one virtual address page and its pfn. TBD: numpages can be set based + * on the initial value and the level returned by lookup_address(). + */ + if (within(vaddr, PAGE_OFFSET, + PAGE_OFFSET + (max_pfn_mapped << PAGE_SHIFT))) { + cpa->numpages = 1; + cpa->pfn = __pa(vaddr) >> PAGE_SHIFT; + return 0; + } else { + WARN(1, KERN_WARNING "CPA: called for zero pte. " + "vaddr = %lx cpa->vaddr = %lx\n", vaddr, + *cpa->vaddr); + + return -EFAULT; + } +} + static int __change_page_attr(struct cpa_data *cpa, int primary) { unsigned long address; @@ -549,17 +579,11 @@ static int __change_page_attr(struct cpa_data *cpa, int primary) repeat: kpte = lookup_address(address, &level); if (!kpte) - return 0; + return __cpa_process_fault(cpa, address, primary); old_pte = *kpte; - if (!pte_val(old_pte)) { - if (!primary) - return 0; - WARN(1, KERN_WARNING "CPA: called for zero pte. " - "vaddr = %lx cpa->vaddr = %lx\n", address, - *cpa->vaddr); - return -EINVAL; - } + if (!pte_val(old_pte)) + return __cpa_process_fault(cpa, address, primary); if (level == PG_LEVEL_4K) { pte_t new_pte; @@ -657,12 +681,7 @@ static int cpa_process_alias(struct cpa_data *cpa) vaddr = *cpa->vaddr; if (!(within(vaddr, PAGE_OFFSET, - PAGE_OFFSET + (max_low_pfn_mapped << PAGE_SHIFT)) -#ifdef CONFIG_X86_64 - || within(vaddr, PAGE_OFFSET + (1UL<<32), - PAGE_OFFSET + (max_pfn_mapped << PAGE_SHIFT)) -#endif - )) { + PAGE_OFFSET + (max_pfn_mapped << PAGE_SHIFT)))) { alias_cpa = *cpa; temp_cpa_vaddr = (unsigned long) __va(cpa->pfn << PAGE_SHIFT); diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index 85cbd3c..ffc88cc 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -333,11 +333,23 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, req_type & _PAGE_CACHE_MASK); } - is_range_ram = pagerange_is_ram(start, end); - if (is_range_ram == 1) - return reserve_ram_pages_type(start, end, req_type, new_type); - else if (is_range_ram < 0) - return -EINVAL; + if (new_type) + *new_type = actual_type; + + /* + * For legacy reasons, some parts of the physical address range in the + * legacy 1MB region is treated as non-RAM (even when listed as RAM in + * the e820 tables). So we will track the memory attributes of this + * legacy 1MB region using the linear memtype_list always. + */ + if (end >= ISA_END_ADDRESS) { + is_range_ram = pagerange_is_ram(start, end); + if (is_range_ram == 1) + return reserve_ram_pages_type(start, end, req_type, + new_type); + else if (is_range_ram < 0) + return -EINVAL; + } new = kmalloc(sizeof(struct memtype), GFP_KERNEL); if (!new) @@ -347,9 +359,6 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, new->end = end; new->type = actual_type; - if (new_type) - *new_type = actual_type; - spin_lock(&memtype_lock); if (cached_entry && start >= cached_start) @@ -437,11 +446,19 @@ int free_memtype(u64 start, u64 end) if (is_ISA_range(start, end - 1)) return 0; - is_range_ram = pagerange_is_ram(start, end); - if (is_range_ram == 1) - return free_ram_pages_type(start, end); - else if (is_range_ram < 0) - return -EINVAL; + /* + * For legacy reasons, some parts of the physical address range in the + * legacy 1MB region is treated as non-RAM (even when listed as RAM in + * the e820 tables). So we will track the memory attributes of this + * legacy 1MB region using the linear memtype_list always. + */ + if (end >= ISA_END_ADDRESS) { + is_range_ram = pagerange_is_ram(start, end); + if (is_range_ram == 1) + return free_ram_pages_type(start, end); + else if (is_range_ram < 0) + return -EINVAL; + } spin_lock(&memtype_lock); list_for_each_entry(entry, &memtype_list, nd) { diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 8dc7109..2ba8f95 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -298,6 +298,14 @@ static int decrease_reservation(unsigned long nr_pages) frame_list[i] = pfn_to_mfn(pfn); scrub_page(page); + + if (!PageHighMem(page)) { + ret = HYPERVISOR_update_va_mapping( + (unsigned long)__va(pfn << PAGE_SHIFT), + __pte_ma(0), 0); + BUG_ON(ret); + } + } /* Ensure that ballooned highmem pages don't have kmaps. */ diff --git a/drivers/xen/xenfs/xenbus.c b/drivers/xen/xenfs/xenbus.c index 875a4c5..a9592d9 100644 --- a/drivers/xen/xenfs/xenbus.c +++ b/drivers/xen/xenfs/xenbus.c @@ -291,7 +291,7 @@ static void watch_fired(struct xenbus_watch *watch, static int xenbus_write_transaction(unsigned msg_type, struct xenbus_file_priv *u) { - int rc, ret; + int rc; void *reply; struct xenbus_transaction_holder *trans = NULL; LIST_HEAD(staging_q); @@ -326,15 +326,14 @@ static int xenbus_write_transaction(unsigned msg_type, } mutex_lock(&u->reply_mutex); - ret = queue_reply(&staging_q, &u->u.msg, sizeof(u->u.msg)); - if (!ret) - ret = queue_reply(&staging_q, reply, u->u.msg.len); - if (!ret) { + rc = queue_reply(&staging_q, &u->u.msg, sizeof(u->u.msg)); + if (!rc) + rc = queue_reply(&staging_q, reply, u->u.msg.len); + if (!rc) { list_splice_tail(&staging_q, &u->read_buffers); wake_up(&u->read_waitq); } else { queue_cleanup(&staging_q); - rc = ret; } mutex_unlock(&u->reply_mutex); diff --git a/include/asm-generic/bitops/__ffs.h b/include/asm-generic/bitops/__ffs.h index 9a3274a..937d7c4 100644 --- a/include/asm-generic/bitops/__ffs.h +++ b/include/asm-generic/bitops/__ffs.h @@ -9,7 +9,7 @@ * * Undefined if no bit exists, so code should check against 0 first. */ -static inline unsigned long __ffs(unsigned long word) +static __always_inline unsigned long __ffs(unsigned long word) { int num = 0; diff --git a/include/asm-generic/bitops/__fls.h b/include/asm-generic/bitops/__fls.h index be24465..a60a7cc 100644 --- a/include/asm-generic/bitops/__fls.h +++ b/include/asm-generic/bitops/__fls.h @@ -9,7 +9,7 @@ * * Undefined if no set bit exists, so code should check against 0 first. */ -static inline unsigned long __fls(unsigned long word) +static __always_inline unsigned long __fls(unsigned long word) { int num = BITS_PER_LONG - 1; diff --git a/include/asm-generic/bitops/fls.h b/include/asm-generic/bitops/fls.h index 850859b..0576d1f 100644 --- a/include/asm-generic/bitops/fls.h +++ b/include/asm-generic/bitops/fls.h @@ -9,7 +9,7 @@ * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32. */ -static inline int fls(int x) +static __always_inline int fls(int x) { int r = 32; diff --git a/include/asm-generic/bitops/fls64.h b/include/asm-generic/bitops/fls64.h index 86d403f..b097cf8 100644 --- a/include/asm-generic/bitops/fls64.h +++ b/include/asm-generic/bitops/fls64.h @@ -15,7 +15,7 @@ * at position 64. */ #if BITS_PER_LONG == 32 -static inline int fls64(__u64 x) +static __always_inline int fls64(__u64 x) { __u32 h = x >> 32; if (h) @@ -23,7 +23,7 @@ static inline int fls64(__u64 x) return fls(x); } #elif BITS_PER_LONG == 64 -static inline int fls64(__u64 x) +static __always_inline int fls64(__u64 x) { if (x == 0) return 0; diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 2f44583..1f0c509 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -971,6 +971,8 @@ undo: } #ifdef CONFIG_SMP +static struct workqueue_struct *work_on_cpu_wq __read_mostly; + struct work_for_cpu { struct work_struct work; long (*fn)(void *); @@ -991,8 +993,8 @@ static void do_work_for_cpu(struct work_struct *w) * @fn: the function to run * @arg: the function arg * - * This will return -EINVAL in the cpu is not online, or the return value - * of @fn otherwise. + * This will return the value @fn returns. + * It is up to the caller to ensure that the cpu doesn't go offline. */ long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg) { @@ -1001,14 +1003,8 @@ long work_on_cpu(unsigned int cpu, long (*fn)(void *), void *arg) INIT_WORK(&wfc.work, do_work_for_cpu); wfc.fn = fn; wfc.arg = arg; - get_online_cpus(); - if (unlikely(!cpu_online(cpu))) - wfc.ret = -EINVAL; - else { - schedule_work_on(cpu, &wfc.work); - flush_work(&wfc.work); - } - put_online_cpus(); + queue_work_on(cpu, work_on_cpu_wq, &wfc.work); + flush_work(&wfc.work); return wfc.ret; } @@ -1025,4 +1021,8 @@ void __init init_workqueues(void) hotcpu_notifier(workqueue_cpu_callback, 0); keventd_wq = create_workqueue("events"); BUG_ON(!keventd_wq); +#ifdef CONFIG_SMP + work_on_cpu_wq = create_workqueue("work_on_cpu"); + BUG_ON(!work_on_cpu_wq); +#endif } diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 4c9ae60..d30561d 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -570,6 +570,15 @@ config DEBUG_NOTIFIERS This is a relatively cheap check but if you care about maximum performance, say N. +# +# Select this config option from the architecture Kconfig, if it +# it is preferred to always offer frame pointers as a config +# option on the architecture (regardless of KERNEL_DEBUG): +# +config ARCH_WANT_FRAME_POINTERS + bool + help + config FRAME_POINTER bool "Compile the kernel with frame pointers" depends on DEBUG_KERNEL && \
next reply other threads:[~2009-01-26 17:17 UTC|newest] Thread overview: 535+ messages / expand[flat|nested] mbox.gz Atom feed top 2009-01-26 17:17 Ingo Molnar [this message] 2009-01-26 19:05 ` Andrew Morton 2009-01-26 19:20 ` Ingo Molnar 2009-01-26 19:40 ` Andrew Morton 2009-01-26 19:59 ` Ingo Molnar 2009-01-26 20:14 ` Andrew Morton 2009-01-26 20:28 ` Ingo Molnar -- strict thread matches above, loose matches on Subject: below -- 2022-08-06 19:29 [GIT PULL] " Ingo Molnar 2022-08-07 0:50 ` pr-tracker-bot 2021-03-28 10:44 Ingo Molnar 2021-03-28 19:22 ` pr-tracker-bot 2020-10-11 8:08 Ingo Molnar 2020-10-11 18:00 ` Linus Torvalds 2020-10-11 20:00 ` Thomas Gleixner 2020-10-11 18:23 ` pr-tracker-bot 2020-09-06 8:15 Ingo Molnar 2020-09-06 19:14 ` pr-tracker-bot 2020-08-15 11:45 Ingo Molnar 2020-08-16 1:55 ` pr-tracker-bot 2020-07-25 11:46 Ingo Molnar 2020-07-25 22:30 ` pr-tracker-bot 2020-03-02 8:49 Ingo Molnar 2020-03-03 23:35 ` pr-tracker-bot 2020-01-31 11:52 Ingo Molnar 2020-01-31 19:35 ` pr-tracker-bot 2020-01-18 18:52 Ingo Molnar 2020-01-18 21:05 ` pr-tracker-bot 2019-12-01 22:22 Ingo Molnar 2019-12-02 4:40 ` pr-tracker-bot 2019-11-16 21:42 Ingo Molnar 2019-11-17 0:35 ` pr-tracker-bot 2019-10-12 13:19 Ingo Molnar 2019-10-12 22:35 ` pr-tracker-bot 2019-09-12 12:57 Ingo Molnar 2019-09-12 14:05 ` pr-tracker-bot 2019-09-05 8:07 Ingo Molnar 2019-09-05 21:15 ` pr-tracker-bot 2019-06-29 9:14 Ingo Molnar 2019-06-29 11:45 ` pr-tracker-bot 2019-06-02 17:44 Ingo Molnar 2019-06-02 18:15 ` pr-tracker-bot 2019-05-16 16:26 Ingo Molnar 2019-05-16 18:20 ` pr-tracker-bot 2019-04-27 14:42 Ingo Molnar 2019-04-27 18:45 ` pr-tracker-bot 2019-04-20 7:38 Ingo Molnar 2019-04-20 19:25 ` pr-tracker-bot 2019-04-12 13:10 Ingo Molnar 2019-04-13 4:05 ` pr-tracker-bot 2019-02-17 10:19 Ingo Molnar 2019-02-17 16:50 ` pr-tracker-bot 2019-02-10 9:13 Ingo Molnar 2019-02-10 18:30 ` pr-tracker-bot 2019-01-11 7:14 Ingo Molnar 2019-01-11 18:00 ` pr-tracker-bot 2018-12-21 12:25 Ingo Molnar 2018-12-21 19:30 ` pr-tracker-bot 2018-12-09 22:06 Ingo Molnar 2018-12-09 23:45 ` pr-tracker-bot 2018-11-30 6:29 Ingo Molnar 2018-11-30 21:00 ` pr-tracker-bot 2018-11-03 23:09 Ingo Molnar 2018-11-04 1:27 ` Linus Torvalds 2018-10-20 8:54 Ingo Molnar 2018-10-20 13:28 ` Greg Kroah-Hartman 2018-10-11 9:14 Ingo Molnar 2018-10-11 12:32 ` Greg Kroah-Hartman 2018-10-05 9:53 Ingo Molnar 2018-10-05 23:06 ` Greg Kroah-Hartman 2018-09-15 13:24 Ingo Molnar 2018-07-30 17:59 Ingo Molnar 2018-06-30 8:49 Ingo Molnar 2018-06-30 19:01 ` Linus Torvalds 2018-07-02 18:47 ` Andy Lutomirski 2018-07-02 18:53 ` Linus Torvalds 2018-07-03 7:56 ` Ingo Molnar 2018-03-31 10:36 Ingo Molnar 2018-02-15 0:45 Ingo Molnar 2018-01-17 15:41 Ingo Molnar 2018-01-17 20:35 ` Linus Torvalds 2018-01-18 0:24 ` Ingo Molnar 2018-01-18 0:29 ` Andrew Morton 2018-01-12 13:56 Ingo Molnar 2017-12-15 15:43 Ingo Molnar 2017-12-15 15:50 ` Andy Lutomirski 2017-12-15 16:07 ` Ingo Molnar 2017-12-17 3:25 ` Andy Lutomirski 2017-12-17 8:32 ` Ingo Molnar 2017-12-17 11:41 ` Thomas Gleixner 2017-12-17 15:15 ` Borislav Petkov 2017-12-06 22:36 Ingo Molnar 2017-11-26 12:48 Ingo Molnar 2017-11-05 14:46 Ingo Molnar 2017-10-27 19:24 Ingo Molnar 2017-10-14 16:16 Ingo Molnar 2017-09-24 11:28 Ingo Molnar 2017-09-13 17:54 Ingo Molnar 2017-09-12 15:38 Ingo Molnar 2017-08-26 7:26 Ingo Molnar 2017-07-21 10:26 Ingo Molnar 2017-06-10 9:03 Ingo Molnar 2017-06-02 6:54 Ingo Molnar 2017-05-12 7:39 Ingo Molnar 2017-03-07 20:40 Ingo Molnar 2017-02-28 8:08 Ingo Molnar 2017-02-11 18:18 Ingo Molnar 2017-02-02 21:04 Ingo Molnar 2017-01-15 10:06 Ingo Molnar 2016-12-23 22:57 Ingo Molnar 2016-12-07 18:53 Ingo Molnar 2016-11-22 15:41 Ingo Molnar 2016-11-14 8:03 Ingo Molnar 2016-10-28 8:41 Ingo Molnar 2016-10-22 11:16 Ingo Molnar 2016-10-18 11:22 Ingo Molnar 2016-09-13 18:20 Ingo Molnar 2016-08-18 20:49 Ingo Molnar 2016-08-12 19:46 Ingo Molnar 2016-08-06 6:13 Ingo Molnar 2016-07-13 12:54 Ingo Molnar 2016-07-08 14:00 Ingo Molnar 2016-06-10 14:43 Ingo Molnar 2016-05-25 22:00 Ingo Molnar 2016-05-10 12:01 Ingo Molnar 2016-05-06 19:20 Ingo Molnar 2016-04-28 18:00 Ingo Molnar 2016-04-23 11:38 Ingo Molnar 2016-04-14 14:13 Ingo Molnar 2016-03-24 8:01 Ingo Molnar 2016-03-12 19:06 Ingo Molnar 2016-02-20 11:30 Ingo Molnar 2016-01-14 10:16 Ingo Molnar 2016-01-08 12:57 Ingo Molnar 2015-10-23 11:45 Ingo Molnar 2015-10-03 10:24 Ingo Molnar 2015-10-03 10:57 ` Ingo Molnar 2015-10-03 19:40 ` Thomas Gleixner 2015-09-17 8:28 Ingo Molnar 2015-08-22 12:21 Ingo Molnar 2015-08-14 7:15 Ingo Molnar 2015-08-14 18:25 ` Linus Torvalds 2015-08-14 18:46 ` Andy Lutomirski 2015-08-14 18:57 ` Linus Torvalds 2015-08-14 19:06 ` Linus Torvalds 2015-08-14 19:18 ` Andy Lutomirski 2015-08-14 19:37 ` Linus Torvalds 2015-08-14 19:14 ` Andy Lutomirski 2015-08-17 8:01 ` Ingo Molnar 2015-08-17 10:59 ` Denys Vlasenko 2015-08-17 16:57 ` Linus Torvalds 2015-08-18 7:57 ` Ingo Molnar 2015-08-17 16:47 ` Linus Torvalds 2015-08-17 16:58 ` H. Peter Anvin 2015-08-17 17:17 ` Linus Torvalds 2015-08-17 22:17 ` H. Peter Anvin 2015-08-19 5:59 ` Ingo Molnar 2015-08-19 6:15 ` Ingo Molnar 2015-08-19 6:50 ` Ingo Molnar 2015-08-19 10:00 ` H. Peter Anvin 2015-08-19 22:33 ` Linus Torvalds 2015-08-20 6:54 ` H. Peter Anvin 2015-08-19 21:53 ` H. Peter Anvin 2015-08-21 10:17 ` Denys Vlasenko 2015-08-17 23:47 ` Bryan O'Donoghue 2015-08-17 21:03 ` H. Peter Anvin 2015-08-17 23:59 ` Andy Lutomirski 2015-08-18 0:01 ` H. Peter Anvin 2015-08-18 0:06 ` H. Peter Anvin 2015-08-18 0:19 ` Andy Lutomirski 2015-08-18 5:56 ` H. Peter Anvin 2015-08-18 5:59 ` H. Peter Anvin 2015-08-18 7:55 ` Ingo Molnar 2015-08-01 8:44 Ingo Molnar 2015-07-18 3:18 Ingo Molnar 2015-07-20 7:20 ` Heiko Carstens 2015-07-04 11:29 Ingo Molnar 2015-06-05 8:40 Ingo Molnar 2015-05-27 12:54 Ingo Molnar 2015-05-06 12:58 Ingo Molnar 2015-05-06 18:14 ` Linus Torvalds 2015-04-18 15:26 Ingo Molnar 2015-04-03 13:16 Ingo Molnar 2015-03-17 16:54 Ingo Molnar 2015-03-05 17:02 Ingo Molnar 2015-03-01 17:14 Ingo Molnar 2015-02-20 13:47 Ingo Molnar 2015-01-11 8:51 Ingo Molnar 2014-12-14 19:46 Ingo Molnar 2014-11-20 8:02 Ingo Molnar 2014-11-16 9:07 Ingo Molnar 2014-11-17 7:42 ` Markus Trippelsdorf 2014-11-17 8:27 ` Markus Trippelsdorf 2014-11-17 13:58 ` Ingo Molnar 2014-11-17 21:02 ` Kees Cook 2014-11-17 21:05 ` Markus Trippelsdorf 2014-11-17 21:21 ` Markus Trippelsdorf 2014-11-17 23:09 ` Kees Cook 2014-10-31 11:26 Ingo Molnar 2014-09-27 6:02 Ingo Molnar 2014-09-19 10:40 Ingo Molnar 2014-09-23 5:22 ` Linus Torvalds 2014-09-23 5:35 ` Ingo Molnar 2014-09-23 5:37 ` Ingo Molnar 2014-09-23 5:44 ` H. Peter Anvin 2014-09-23 5:59 ` Linus Torvalds 2014-09-23 6:07 ` Linus Torvalds 2014-09-23 6:56 ` Matt Fleming [not found] ` <CA+55aFz+2tf7zEGjVmkVuncZssiDdVRKJ=OUfgnDFf2TYN-KvA@mail.gmail.com> 2014-09-23 7:35 ` Matt Fleming 2014-09-23 12:18 ` Josh Boyer 2014-09-23 5:58 ` Ingo Molnar 2014-09-23 7:20 ` Matt Fleming 2014-09-23 8:18 ` Ard Biesheuvel 2014-09-23 13:18 ` Matt Fleming 2014-09-23 13:59 ` Leif Lindholm 2014-09-23 14:25 ` Maarten Lankhorst 2014-09-23 14:37 ` Matt Fleming 2014-09-23 16:01 ` Linus Torvalds 2014-09-24 7:26 ` Ingo Molnar 2014-09-24 11:42 ` Matt Fleming 2014-09-24 13:08 ` Ingo Molnar 2014-09-24 13:18 ` Matt Fleming 2014-09-24 13:18 ` Ingo Molnar 2014-09-23 16:05 ` Linus Torvalds 2014-09-23 16:11 ` Matt Fleming 2014-09-23 16:17 ` Josh Boyer 2014-09-23 17:21 ` Josh Boyer 2014-09-23 20:43 ` Matt Fleming 2014-08-24 20:28 Ingo Molnar 2014-04-16 13:21 Ingo Molnar 2013-11-13 20:47 Ingo Molnar 2013-10-18 19:11 Ingo Molnar 2013-10-12 17:15 Ingo Molnar 2013-10-12 18:05 ` Linus Torvalds 2013-10-12 18:18 ` H. Peter Anvin 2013-10-12 18:49 ` Ingo Molnar 2013-10-15 7:15 ` Ingo Molnar 2013-10-15 10:57 ` Borislav Petkov 2013-10-12 19:28 ` Matthew Garrett 2013-10-12 19:41 ` Linus Torvalds 2013-10-12 20:35 ` H. Peter Anvin 2013-10-04 7:57 Ingo Molnar 2013-09-25 18:16 Ingo Molnar 2013-09-18 16:24 Ingo Molnar 2013-09-05 11:03 Ingo Molnar 2013-08-19 11:23 Ingo Molnar 2013-04-14 15:55 Ingo Molnar 2013-02-26 12:10 Ingo Molnar 2013-02-04 18:31 Ingo Molnar 2012-10-26 14:52 Ingo Molnar 2012-09-21 19:15 Ingo Molnar 2012-08-23 10:54 Ingo Molnar 2012-08-20 9:21 Ingo Molnar 2012-08-21 8:00 ` Ingo Molnar 2012-08-03 16:51 Ingo Molnar 2012-06-29 15:33 Ingo Molnar 2012-06-15 18:53 Ingo Molnar 2012-06-08 14:46 Ingo Molnar 2012-05-17 8:24 Ingo Molnar 2012-04-27 6:57 Ingo Molnar 2012-04-03 22:45 Ingo Molnar 2012-04-03 23:47 ` Konrad Rzeszutek Wilk 2012-04-04 6:56 ` Ingo Molnar 2012-04-04 13:03 ` Konrad Rzeszutek Wilk 2012-02-27 10:32 Ingo Molnar 2012-02-02 10:10 Ingo Molnar 2012-01-26 20:15 Ingo Molnar 2012-01-15 13:40 Ingo Molnar 2011-12-13 23:00 Ingo Molnar 2011-12-05 19:18 Ingo Molnar 2011-07-07 18:24 Ingo Molnar 2011-06-19 9:09 Ingo Molnar 2011-06-13 9:49 Ingo Molnar 2011-06-07 18:44 Ingo Molnar 2011-05-31 16:30 Ingo Molnar 2011-05-31 16:35 ` Joe Perches 2011-05-31 18:16 ` Borislav Petkov 2011-05-31 19:04 ` Ingo Molnar 2011-05-31 19:51 ` Borislav Petkov 2011-05-31 21:35 ` Linus Torvalds 2011-06-01 6:00 ` Ingo Molnar 2011-06-01 6:08 ` Joe Perches 2011-06-01 6:18 ` Borislav Petkov 2011-06-01 6:24 ` Ingo Molnar 2011-05-23 10:19 Ingo Molnar 2011-05-17 21:43 Ingo Molnar 2011-05-03 11:44 Ingo Molnar 2011-04-29 18:02 Ingo Molnar 2011-04-21 16:06 Ingo Molnar 2011-04-16 10:11 Ingo Molnar 2011-04-07 17:36 Ingo Molnar 2011-04-02 10:52 Ingo Molnar 2011-03-25 13:35 Ingo Molnar 2011-03-22 10:20 Ingo Molnar 2011-03-18 13:54 Ingo Molnar 2011-03-16 16:21 Ingo Molnar 2011-03-10 8:10 Ingo Molnar 2011-02-28 17:37 Ingo Molnar 2011-02-25 19:58 Ingo Molnar 2011-02-15 16:36 Ingo Molnar 2011-02-06 11:18 Ingo Molnar 2011-01-27 17:28 Ingo Molnar 2011-01-24 13:01 Ingo Molnar 2011-01-19 19:01 Ingo Molnar 2011-01-18 19:05 Ingo Molnar 2011-01-15 15:17 Ingo Molnar 2010-12-19 15:30 Ingo Molnar 2010-11-26 13:27 Ingo Molnar 2010-11-11 11:03 Ingo Molnar 2010-10-27 16:05 Ingo Molnar 2010-10-27 16:07 ` Ingo Molnar 2010-09-26 8:50 Ingo Molnar 2010-09-08 13:08 Ingo Molnar 2010-06-02 11:49 Ingo Molnar 2010-03-30 12:30 Ingo Molnar 2010-03-26 15:43 Ingo Molnar 2010-03-29 15:47 ` Linus Torvalds 2010-03-29 16:47 ` Ingo Molnar 2010-03-13 16:39 Ingo Molnar 2010-01-31 17:19 Ingo Molnar 2010-01-16 17:03 Ingo Molnar 2010-01-16 20:34 ` Linus Torvalds 2010-01-16 20:53 ` Cyrill Gorcunov 2010-01-16 21:16 ` Ian Campbell 2010-01-16 22:12 ` Cyrill Gorcunov 2010-01-17 0:50 ` H. Peter Anvin 2010-01-16 21:06 ` H. Peter Anvin 2010-01-16 21:09 ` H. Peter Anvin 2010-01-17 0:18 ` Brian Gerst 2010-01-17 6:00 ` Ian Campbell 2009-12-31 12:03 Ingo Molnar 2009-12-31 12:56 ` Borislav Petkov 2009-12-18 18:56 Ingo Molnar 2009-12-15 20:36 Ingo Molnar 2009-12-14 19:06 Ingo Molnar 2009-12-10 19:42 Ingo Molnar 2009-11-10 17:40 Ingo Molnar 2009-11-04 15:48 Ingo Molnar 2009-11-01 15:24 Ingo Molnar 2009-10-23 14:40 Ingo Molnar 2009-10-15 10:55 Ingo Molnar 2009-10-13 18:15 Ingo Molnar 2009-10-08 18:57 Ingo Molnar 2009-10-02 12:36 Ingo Molnar 2009-09-26 12:21 Ingo Molnar 2009-09-21 12:59 Ingo Molnar 2009-08-28 10:40 Ingo Molnar 2009-08-25 18:00 Ingo Molnar 2009-08-17 21:37 Ingo Molnar 2009-08-13 18:49 Ingo Molnar 2009-08-09 16:01 Ingo Molnar 2009-08-04 18:55 Ingo Molnar 2009-06-26 19:07 Ingo Molnar 2009-06-12 10:47 Ingo Molnar 2009-05-18 14:38 Ingo Molnar 2009-05-08 18:46 Ingo Molnar 2009-05-05 9:26 Ingo Molnar 2009-04-26 17:18 Ingo Molnar 2009-04-17 1:32 Ingo Molnar 2009-04-13 17:36 Ingo Molnar 2009-04-09 15:47 Ingo Molnar 2009-04-03 22:46 Ingo Molnar 2009-03-06 18:36 [git pull] " Ingo Molnar 2009-03-03 20:59 Ingo Molnar 2009-03-02 8:47 Ingo Molnar 2009-02-27 16:28 Ingo Molnar 2009-02-21 17:08 Ingo Molnar 2009-02-20 14:18 Ingo Molnar 2009-02-19 17:10 Ingo Molnar 2009-02-21 2:13 ` Linus Torvalds 2009-02-21 6:56 ` H. Peter Anvin 2009-02-21 8:32 ` Ingo Molnar 2009-02-21 8:39 ` Ingo Molnar 2009-02-21 8:42 ` H. Peter Anvin 2009-02-21 9:18 ` Sam Ravnborg 2009-02-21 9:46 ` Ingo Molnar 2009-02-17 16:36 Ingo Molnar 2009-02-11 14:31 Ingo Molnar 2009-02-04 19:22 Ingo Molnar 2009-01-30 23:00 Ingo Molnar 2009-01-19 23:23 Ingo Molnar 2009-01-12 18:28 Ingo Molnar 2009-01-11 14:39 Ingo Molnar 2009-01-11 16:45 ` Torsten Kaiser 2009-01-11 18:18 ` Ingo Molnar 2009-01-12 18:17 ` Pallipadi, Venkatesh 2009-01-12 19:01 ` Torsten Kaiser 2009-01-12 19:19 ` Pallipadi, Venkatesh 2009-01-12 19:29 ` Pallipadi, Venkatesh 2009-01-12 19:47 ` Linus Torvalds 2009-01-12 19:54 ` Pallipadi, Venkatesh 2009-01-12 20:38 ` Ingo Molnar 2009-01-12 20:52 ` Ingo Molnar 2009-01-12 21:03 ` Harvey Harrison 2009-01-12 21:12 ` Ingo Molnar 2009-01-12 21:55 ` Torsten Kaiser 2009-01-12 22:03 ` Ingo Molnar 2009-01-12 20:05 ` Torsten Kaiser 2009-01-12 20:40 ` Ingo Molnar 2009-01-12 21:50 ` Torsten Kaiser 2009-01-12 22:13 ` Ingo Molnar 2009-01-13 19:20 ` Torsten Kaiser 2009-01-12 22:16 ` Ingo Molnar 2009-01-02 21:48 Ingo Molnar 2008-12-20 13:43 Ingo Molnar 2008-12-20 19:16 ` Linus Torvalds 2008-12-20 19:31 ` Ingo Molnar 2008-12-20 22:11 ` Linus Torvalds 2008-12-20 20:58 ` Joerg Roedel 2008-12-08 18:26 Ingo Molnar 2008-12-04 19:46 Ingo Molnar 2008-11-29 19:31 Ingo Molnar 2008-11-20 11:22 Ingo Molnar 2008-11-18 20:35 Ingo Molnar 2008-11-06 21:29 Ingo Molnar 2008-11-01 17:06 Ingo Molnar 2008-10-30 23:34 Ingo Molnar 2008-10-28 10:49 Ingo Molnar 2008-10-23 19:33 Ingo Molnar 2008-10-17 17:27 Ingo Molnar 2008-10-15 16:32 Ingo Molnar 2008-10-01 18:05 Ingo Molnar 2008-09-27 21:02 Ingo Molnar 2008-09-23 19:34 Ingo Molnar 2008-09-17 9:58 Ingo Molnar 2008-09-09 19:03 H. Peter Anvin 2008-09-08 19:32 H. Peter Anvin 2008-09-08 20:34 ` David Sanders 2008-09-08 21:20 ` H. Peter Anvin 2008-09-08 21:22 ` H. Peter Anvin 2008-09-08 21:43 ` H. Peter Anvin 2008-09-08 22:16 ` David Sanders 2008-09-09 6:05 ` Ingo Molnar 2008-09-09 7:19 ` Ingo Molnar 2008-09-09 19:18 ` David Sanders 2008-09-09 19:56 ` Linus Torvalds 2008-09-09 20:37 ` David Sanders 2008-09-09 20:45 ` Linus Torvalds 2008-09-09 20:46 ` Linus Torvalds 2008-09-09 20:49 ` Ingo Molnar 2008-09-09 20:53 ` David Sanders 2008-09-08 17:52 H. Peter Anvin 2008-09-08 18:04 ` Linus Torvalds 2008-09-08 18:17 ` Linus Torvalds 2008-09-08 22:42 ` Andi Kleen 2008-09-08 18:22 ` H. Peter Anvin 2008-09-08 18:46 ` Arjan van de Ven 2008-09-08 18:51 ` H. Peter Anvin 2008-09-08 19:02 ` Ingo Molnar 2008-09-08 19:30 ` Linus Torvalds 2008-09-08 19:55 ` Arjan van de Ven 2008-09-08 20:14 ` H. Peter Anvin 2008-09-08 23:17 ` Krzysztof Halasa 2008-09-08 18:42 ` Arjan van de Ven 2008-09-09 10:24 ` Andi Kleen 2008-09-09 14:54 ` Linus Torvalds 2008-09-09 17:01 ` H. Peter Anvin 2008-09-09 17:17 ` Mark Lord 2008-09-09 17:19 ` H. Peter Anvin 2008-09-09 17:48 ` Mark Lord 2008-09-09 18:40 ` Andi Kleen 2008-09-09 16:05 ` Adrian Bunk 2008-09-09 16:15 ` Linus Torvalds 2008-09-08 20:25 ` Valdis.Kletnieks 2008-09-09 7:27 ` Ingo Molnar 2008-09-08 22:43 ` Andi Kleen 2008-09-09 16:57 ` Adrian Bunk 2008-09-09 17:03 ` H. Peter Anvin 2008-09-09 17:43 ` Adrian Bunk 2008-09-09 18:12 ` H. Peter Anvin 2008-09-06 19:01 Ingo Molnar 2008-09-05 18:51 Ingo Molnar 2008-08-28 11:41 Ingo Molnar 2008-08-25 17:50 Ingo Molnar 2008-08-22 12:23 Ingo Molnar 2008-08-18 18:36 Ingo Molnar 2008-07-31 21:42 Ingo Molnar 2008-07-29 15:53 Ingo Molnar 2008-07-26 19:15 Ingo Molnar 2008-07-24 15:12 Ingo Molnar 2008-07-24 19:36 ` Linus Torvalds 2008-07-24 20:38 ` H. Peter Anvin 2008-07-22 14:03 Ingo Molnar 2008-07-22 14:35 ` Johannes Weiner 2008-07-22 15:08 ` Jeremy Fitzhardinge 2008-07-22 15:23 ` Johannes Weiner 2008-07-17 17:32 Ingo Molnar 2008-07-15 15:01 Ingo Molnar 2008-07-15 15:13 ` Ingo Molnar 2008-07-15 16:03 ` Linus Torvalds 2008-07-05 19:29 Ingo Molnar 2008-07-04 16:48 Ingo Molnar 2008-06-30 15:30 Ingo Molnar 2008-06-19 15:13 Ingo Molnar 2008-06-19 21:29 ` Simon Holm Thøgersen 2008-06-19 23:34 ` Suresh Siddha 2008-06-12 19:51 Ingo Molnar 2008-05-13 19:27 Ingo Molnar 2008-05-13 19:40 ` Adrian Bunk 2008-05-13 20:02 ` Adrian Bunk 2008-05-13 20:38 ` Adrian Bunk 2008-05-13 21:01 ` H. Peter Anvin 2008-05-13 20:20 ` Linus Torvalds 2008-05-04 19:35 Ingo Molnar 2008-05-05 15:12 ` Adrian Bunk 2008-05-05 15:29 ` Andres Salomon 2008-05-06 12:49 ` Thomas Gleixner 2008-05-07 15:41 ` Andres Salomon 2008-05-07 19:08 ` Thomas Gleixner 2008-05-07 19:48 ` Andres Salomon 2008-05-07 20:07 ` Andrew Morton 2008-05-09 10:28 ` Ingo Molnar 2008-04-30 21:24 Ingo Molnar 2008-04-24 21:37 Ingo Molnar 2008-04-07 19:38 Ingo Molnar 2008-03-27 20:03 Ingo Molnar 2008-03-27 20:31 ` Linus Torvalds 2008-03-27 20:48 ` Harvey Harrison 2008-03-27 20:55 ` Ingo Molnar 2008-03-27 21:01 ` Ingo Molnar 2008-03-27 21:08 ` Harvey Harrison 2008-03-27 20:50 ` Ingo Molnar 2008-03-27 21:24 ` Ingo Molnar 2008-03-26 21:41 Ingo Molnar 2008-03-21 16:20 Ingo Molnar 2008-03-11 16:12 Ingo Molnar 2008-03-07 15:50 Ingo Molnar 2008-03-04 16:59 Ingo Molnar 2008-03-03 13:18 Ingo Molnar 2008-01-01 17:21 Ingo Molnar 2007-12-21 0:46 Ingo Molnar 2007-12-19 23:04 Ingo Molnar 2007-12-04 16:41 Ingo Molnar 2007-12-02 19:12 Ingo Molnar 2007-12-03 16:23 ` Linus Torvalds 2007-12-03 16:38 ` Ingo Molnar
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