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author | Ingo Molnar <mingo@elte.hu> | 2010-09-15 08:27:31 (GMT) |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-09-15 08:27:31 (GMT) |
commit | 3aabae7d9dfaed60effe93662f02c19bafc18537 (patch) | |
tree | af94cdd69add07601d9f3f5988dfc1dc255e3886 /include/linux/mutex.h | |
parent | 79e406d7b00ab2b261ae32a59f266fd3b7af6f29 (diff) | |
parent | 57c072c7113f54f9512624d6c665db6184448782 (diff) | |
download | linux-fsl-qoriq-3aabae7d9dfaed60effe93662f02c19bafc18537.tar.xz |
Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/core
Diffstat (limited to 'include/linux/mutex.h')
-rw-r--r-- | include/linux/mutex.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h index 878cab4..f363bc8 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -78,6 +78,14 @@ struct mutex_waiter { # include <linux/mutex-debug.h> #else # define __DEBUG_MUTEX_INITIALIZER(lockname) +/** + * mutex_init - initialize the mutex + * @mutex: the mutex to be initialized + * + * Initialize the mutex to unlocked state. + * + * It is not allowed to initialize an already locked mutex. + */ # define mutex_init(mutex) \ do { \ static struct lock_class_key __key; \ |