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Subject[PATCH 4.9 03/66] compiler, clang: properly override inline for clang
4.9-stable review patch.  If anyone has any objections, please let me know.


From: Linus Torvalds <>

commit 6d53cefb18e4646fb4bf62ccb6098fb3808486df upstream.

Commit abb2ea7dfd82 ("compiler, clang: suppress warning for unused
static inline functions") just caused more warnings due to re-defining
the 'inline' macro.

So undef it before re-defining it, and also add the 'notrace' attribute
like the gcc version that this is overriding does.

Maybe this makes clang happier.

Signed-off-by: Linus Torvalds <>
Signed-off-by: Greg Kroah-Hartman <>

include/linux/compiler-clang.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/include/linux/compiler-clang.h
+++ b/include/linux/compiler-clang.h
@@ -21,7 +21,8 @@
* -Wunused-function. This turns out to avoid the need for complex #ifdef
* directives. Suppress the warning in clang as well.
-#define inline inline __attribute__((unused))
+#undef inline
+#define inline inline __attribute__((unused)) notrace

/* Clang doesn't have a way to turn it off per-function, yet. */
#ifdef __noretpoline

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