arm64: cmpxchg: Include linux/compiler.h in asm/cmpxchg.h

We need linux/compiler.h for unreachable(), so #include it here.

Reported-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

diff --git a/arch/arm64/include/asm/cmpxchg.h b/arch/arm64/include/asm/cmpxchg.h
index 19d4a18..4f5fd2a 100644 (file)
--- a/arch/arm64/include/asm/cmpxchg.h
+++ b/arch/arm64/include/asm/cmpxchg.h
@@ -19,6 +19,7 @@
 #define __ASM_CMPXCHG_H
 
 #include <linux/build_bug.h>
+#include <linux/compiler.h>
 
 #include <asm/atomic.h>
 #include <asm/barrier.h>