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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-07-20 19:16:29 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-02 15:41:34 +0200 |
| commit | f607c6685774811b8112e124f10a053d77015485 (patch) | |
| tree | 4d32d967c8f8fb37ae09319735062a131a91725b /kernel/sched.c | |
| parent | 98c33eddaf41d225d99b40f9eedbd0fac4c08c05 (diff) | |
| download | lwn-f607c6685774811b8112e124f10a053d77015485.tar.gz lwn-f607c6685774811b8112e124f10a053d77015485.zip | |
lockdep: Introduce lockdep_assert_held()
Add a lockdep helper to validate that we indeed are the owner
of a lock.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched.c')
| -rw-r--r-- | kernel/sched.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index 1b59e265273b..2c75f7daa439 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -6609,6 +6609,8 @@ int cond_resched_lock(spinlock_t *lock) int resched = should_resched(); int ret = 0; + lockdep_assert_held(lock); + if (spin_needbreak(lock) || resched) { spin_unlock(lock); if (resched) |