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[PATCH] lockdep: annotate waitqueues

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Create one lock class for all waitqueue locks in the kernel.  Has no effect on
non-lockdep kernels.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar
2006-07-03 00:25:07 -07:00
committed by Linus Torvalds
parent 243c7621aa
commit eb4542b98c
2 changed files with 10 additions and 0 deletions
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4
kernel/wait.c
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@@ -10,6 +10,10 @@
#include <linux/wait.h>
#include <linux/hash.h>
struct lock_class_key waitqueue_lock_key;
EXPORT_SYMBOL(waitqueue_lock_key);
void fastcall add_wait_queue(wait_queue_head_t *q, wait_queue_t *wait)
{
unsigned long flags;