diff options
Diffstat (limited to 'arch/x86/mm')
-rw-r--r-- | arch/x86/mm/cpu_entry_area.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/mm/cpu_entry_area.c b/arch/x86/mm/cpu_entry_area.c index 2b1407662a6d..a00d0d059c8a 100644 --- a/arch/x86/mm/cpu_entry_area.c +++ b/arch/x86/mm/cpu_entry_area.c @@ -14,6 +14,7 @@ static DEFINE_PER_CPU_PAGE_ALIGNED(struct entry_stack_page, entry_stack_storage) #ifdef CONFIG_X86_64 static DEFINE_PER_CPU_PAGE_ALIGNED(struct exception_stacks, exception_stacks); +DEFINE_PER_CPU(struct cea_exception_stacks*, cea_exception_stacks); #endif struct cpu_entry_area *get_cpu_entry_area(int cpu) @@ -92,6 +93,9 @@ static void __init percpu_setup_exception_stacks(unsigned int cpu) unsigned int npages; BUILD_BUG_ON(sizeof(exception_stacks) % PAGE_SIZE != 0); + + per_cpu(cea_exception_stacks, cpu) = &cea->estacks; + /* * The exceptions stack mappings in the per cpu area are protected * by guard pages so each stack must be mapped separately. |