The per CPU variable cea_exception_stacks contains per CPU stacks for NMI, #DB and #DF, which is referenced in KVM to set host FRED RSP[123] each time a vCPU is loaded onto a CPU, thus it needs to be exported. Signed-off-by: Xin Li (Intel) <xin@xxxxxxxxx> Tested-by: Shan Kang <shan.kang@xxxxxxxxx> --- arch/x86/mm/cpu_entry_area.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/mm/cpu_entry_area.c b/arch/x86/mm/cpu_entry_area.c index 575f863f3c75..b8af71b67d9a 100644 --- a/arch/x86/mm/cpu_entry_area.c +++ b/arch/x86/mm/cpu_entry_area.c @@ -17,6 +17,7 @@ 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); +EXPORT_PER_CPU_SYMBOL(cea_exception_stacks); static DEFINE_PER_CPU_READ_MOSTLY(unsigned long, _cea_offset); -- 2.46.2
