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-rw-r--r--arch/x86/include/asm/processor.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 7be2c9a6caba..71c3a826a690 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -564,6 +564,11 @@ static inline void native_swapgs(void)
#endif
}
+static inline unsigned long this_cpu_sp0(void)
+{
+ return this_cpu_read_stable(init_tss.x86_tss.sp0);
+}
+
#ifdef CONFIG_PARAVIRT
#include <asm/paravirt.h>
#else