1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h
index 042b5e892ed1..14de0432d288 100644
--- a/arch/x86/include/asm/barrier.h
+++ b/arch/x86/include/asm/barrier.h
@@ -38,7 +38,7 @@ static inline unsigned long array_index_mask_nospec(unsigned long index,
 {
         unsigned long mask;
 
-        asm ("cmp %1,%2; sbb %0,%0;"
+        asm volatile ("cmp %1,%2; sbb %0,%0;"
                         :"=r" (mask)
                         :"g"(size),"r" (index)
                         :"cc");