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| author | Dmitry Baryshkov <dbaryshkov@gmail.com> | 2008-08-18 04:26:37 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-18 09:42:31 +0200 |
| commit | 6951b12a0fe7fc64789f2c4d62d2a304e93836a8 (patch) | |
| tree | 85588afbb9fce0ab0f6aac7c9a5d885562f2c51f /kernel/lockdep.c | |
| parent | b09c3e3f1710b554348c98e78fbf4a661918779a (diff) | |
| download | lwn-6951b12a0fe7fc64789f2c4d62d2a304e93836a8.tar.gz lwn-6951b12a0fe7fc64789f2c4d62d2a304e93836a8.zip | |
lockdep: fix spurious 'inconsistent lock state' warning
Since f82b217e3513fe3af342c0f3ee1494e86250c21c lockdep can output spurious
warnings related to hwirqs due to hardirq_off shrinkage from int to bit-sized
flag. Guard it with double negation to fix the warning.
Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/lockdep.c')
| -rw-r--r-- | kernel/lockdep.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 77fa776a2da8..3bfb1877a003 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -2582,7 +2582,7 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass, hlock->trylock = trylock; hlock->read = read; hlock->check = check; - hlock->hardirqs_off = hardirqs_off; + hlock->hardirqs_off = !!hardirqs_off; #ifdef CONFIG_LOCK_STAT hlock->waittime_stamp = 0; hlock->holdtime_stamp = sched_clock(); |