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| author | Tony Luck <tony.luck@intel.com> | 2016-09-01 11:39:33 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-09-05 11:47:31 +0200 |
| commit | b8fb03785d4de097507d0cf45873525e0ac4d2b2 (patch) | |
| tree | 2cc452717df03039e4a94a6ed08fdd69be4f5d00 /include/linux/jump_label.h | |
| parent | c6935931c1894ff857616ff8549b61236a19148f (diff) | |
| download | linux-0-day-b8fb03785d4de097507d0cf45873525e0ac4d2b2.tar.gz linux-0-day-b8fb03785d4de097507d0cf45873525e0ac4d2b2.tar.xz | |
locking/static_keys: Provide DECLARE and well as DEFINE macros
We will need to provide declarations of static keys in header
files. Provide DECLARE_STATIC_KEY_{TRUE,FALSE} macros.
Signed-off-by: Tony Luck <tony.luck@intel.com>
Acked-by: Borislav Petkov <bp@suse.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/816881cf85bd3cf13385d212882618f38a3b5d33.1472754711.git.tony.luck@intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/jump_label.h')
| -rw-r--r-- | include/linux/jump_label.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index 661af564fae8b..595fb46213fc4 100644 --- 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) \ |