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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-08-13 12:09:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-08-13 12:09:16 -0700 |
| commit | 919aa96a9cfc5071f037bf58718e05335562a6ac (patch) | |
| tree | 00f55468065e2f290aa3f24bdc61654f82da9dcc /include | |
| parent | 1c2ffff407140adf75bb72ae375688480793a228 (diff) | |
| parent | 392741e0a4e17c82e3978b7fcbf04291294dc0a1 (diff) | |
| download | lwn-919aa96a9cfc5071f037bf58718e05335562a6ac.tar.gz lwn-919aa96a9cfc5071f037bf58718e05335562a6ac.zip | |
Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
futex: Fix handling of bad requeue syscall pairing
futex: Fix compat_futex to be same as futex for REQUEUE_PI
locking, sched: Give waitqueue spinlocks their own lockdep classes
futex: Update futex_q lock_ptr on requeue proxy lock
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/wait.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/wait.h b/include/linux/wait.h index 6788e1a4d4ca..cf3c2f5dba51 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -77,7 +77,14 @@ struct task_struct; #define __WAIT_BIT_KEY_INITIALIZER(word, bit) \ { .flags = word, .bit_nr = bit, } -extern void init_waitqueue_head(wait_queue_head_t *q); +extern void __init_waitqueue_head(wait_queue_head_t *q, struct lock_class_key *); + +#define init_waitqueue_head(q) \ + do { \ + static struct lock_class_key __key; \ + \ + __init_waitqueue_head((q), &__key); \ + } while (0) #ifdef CONFIG_LOCKDEP # define __WAIT_QUEUE_HEAD_INIT_ONSTACK(name) \ |