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-rw-r--r--arch/sandbox/include/asm/io.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h
index 72953828f96..cd3f5d6fd40 100644
--- a/arch/sandbox/include/asm/io.h
+++ b/arch/sandbox/include/asm/io.h
@@ -14,6 +14,7 @@ static inline void sync(void)
#define mb() sync()
#define dmb() sync()
+#define wmb() sync()
enum sandboxio_size_t {
SB_SIZE_8,