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-rw-r--r--arch/x86/mm/cpu_entry_area.c4
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.