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authorAlex Shi <alex.shi@linaro.org>2017-07-18 14:31:54 +0800
committerAlex Shi <alex.shi@linaro.org>2017-07-18 14:31:54 +0800
commit16e243013beb93902693c4bb90e4348c99588429 (patch)
tree6a5858d948085974ef1f26bb1e4b546cfb44cfc5 /tools/include/linux/compiler.h
parent2120557722577d8cff75a33a799ad15582dbd8ef (diff)
parent5289d9c979092878f2bf741d8b365ef7565fb6db (diff)
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-androidlsk-v4.4-17.07-android
Diffstat (limited to 'tools/include/linux/compiler.h')
-rw-r--r--tools/include/linux/compiler.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h
index fa7208a32d76..8a679b21f0c4 100644
--- a/tools/include/linux/compiler.h
+++ b/tools/include/linux/compiler.h
@@ -115,4 +115,13 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s
#define WRITE_ONCE(x, val) \
({ union { typeof(x) __val; char __c[1]; } __u = { .__val = (val) }; __write_once_size(&(x), __u.__c, sizeof(x)); __u.__val; })
+
+#ifndef __fallthrough
+# if defined(__GNUC__) && __GNUC__ >= 7
+# define __fallthrough __attribute__ ((fallthrough))
+# else
+# define __fallthrough
+# endif
+#endif
+
#endif /* _TOOLS_LINUX_COMPILER_H */