From: Tony Luck <[email protected]>
commit b8fb03785d4de097507d0cf45873525e0ac4d2b2 upstream.
We will need to provide declarations of static keys in header
files. Provide DECLARE_STATIC_KEY_{TRUE,FALSE} macros.
Signed-off-by: Tony Luck <[email protected]>
Acked-by: Borislav Petkov <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Dan Williams <[email protected]>
Cc: Linus Torvalds <[email protected]>
Link:
http://lkml.kernel.org/r/816881cf85bd3cf13385d212882618f38a3b5d33.1472754711.git.tony.l...@intel.com
Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Ben Hutchings <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
include/linux/jump_label.h | 6 ++++++
1 file changed, 6 insertions(+)
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -267,9 +267,15 @@ struct static_key_false {
#define DEFINE_STATIC_KEY_TRUE(name) \
struct static_key_true name = STATIC_KEY_TRUE_INIT
+#define DECLARE_STATIC_KEY_TRUE(name) \
+ extern struct static_key_true name
+
#define DEFINE_STATIC_KEY_FALSE(name) \
struct static_key_false name = STATIC_KEY_FALSE_INIT
+#define DECLARE_STATIC_KEY_FALSE(name) \
+ extern struct static_key_false name
+
extern bool ____wrong_branch_error(void);
#define static_key_enabled(x)
\
