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-rw-r--r--arch/arm64/include/asm/barrier.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h
index 409ca370cfe2..66eb7648043b 100644
--- a/arch/arm64/include/asm/barrier.h
+++ b/arch/arm64/include/asm/barrier.h
@@ -25,6 +25,7 @@
#define wfi() asm volatile("wfi" : : : "memory")
#define isb() asm volatile("isb" : : : "memory")
+#define dmb(opt) asm volatile("dmb sy" : : : "memory")
#define dsb(opt) asm volatile("dsb sy" : : : "memory")
#define mb() dsb()