summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-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 e33fc1df3935..d94179f94caa 100644
--- a/tools/include/linux/compiler.h
+++ b/tools/include/linux/compiler.h
@@ -126,4 +126,13 @@ 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 */