diff options
Diffstat (limited to 'arch/x86/kernel/cpu/common.c')
| -rw-r--r-- | arch/x86/kernel/cpu/common.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index ab640abe26b6..6bdb69a9a7dc 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -161,7 +161,6 @@ DEFINE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page) = { .gdt = { [GDT_ENTRY_ESPFIX_SS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff), [GDT_ENTRY_PERCPU] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff), - GDT_STACK_CANARY_INIT #endif } }; EXPORT_PER_CPU_SYMBOL_GPL(gdt_page); @@ -482,7 +481,7 @@ static __always_inline void setup_pku(struct cpuinfo_x86 *c) if (pk) pk->pkru = init_pkru_value; /* - * Seting X86_CR4_PKE will cause the X86_FEATURE_OSPKE + * Setting X86_CR4_PKE will cause the X86_FEATURE_OSPKE * cpuid bit to be set. We need to ensure that we * update that bit in this CPU's "cpu_info". */ @@ -599,7 +598,6 @@ void load_percpu_segment(int cpu) __loadsegment_simple(gs, 0); wrmsrl(MSR_GS_BASE, cpu_kernelmode_gs_base(cpu)); #endif - load_stack_canary_segment(); } #ifdef CONFIG_X86_32 @@ -1330,7 +1328,7 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c) cpu_set_bug_bits(c); - cpu_set_core_cap_bits(c); + sld_setup(c); fpu__init_system(c); @@ -1404,7 +1402,7 @@ static void detect_null_seg_behavior(struct cpuinfo_x86 *c) * where GS is unused by the prev and next threads. * * Since neither vendor documents this anywhere that I can see, - * detect it directly instead of hardcoding the choice by + * detect it directly instead of hard-coding the choice by * vendor. * * I've designated AMD's behavior as the "bug" because it's @@ -1748,6 +1746,8 @@ DEFINE_PER_CPU(bool, hardirq_stack_inuse); DEFINE_PER_CPU(int, __preempt_count) = INIT_PREEMPT_COUNT; EXPORT_PER_CPU_SYMBOL(__preempt_count); +DEFINE_PER_CPU(unsigned long, cpu_current_top_of_stack) = TOP_OF_INIT_STACK; + /* May not be marked __init: used by software suspend */ void syscall_init(void) { @@ -1796,7 +1796,8 @@ DEFINE_PER_CPU(unsigned long, cpu_current_top_of_stack) = EXPORT_PER_CPU_SYMBOL(cpu_current_top_of_stack); #ifdef CONFIG_STACKPROTECTOR -DEFINE_PER_CPU_ALIGNED(struct stack_canary, stack_canary); +DEFINE_PER_CPU(unsigned long, __stack_chk_guard); +EXPORT_PER_CPU_SYMBOL(__stack_chk_guard); #endif #endif /* CONFIG_X86_64 */ |