diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-12-13 00:34:40 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-12-13 09:05:50 -0800 |
| commit | 23d95a03d63eff25118b50737006ce6e7c1b8def (patch) | |
| tree | faae8f9f9e7d7f93e55ed71fa801239e49dcf9fe /kernel/lockdep.c | |
| parent | 81fc685a898f84d0787eeebb1c118de0bd3484a0 (diff) | |
| download | lwn-23d95a03d63eff25118b50737006ce6e7c1b8def.tar.gz lwn-23d95a03d63eff25118b50737006ce6e7c1b8def.zip | |
[PATCH] lockdep: improve lockdep_reset()
Clear all the chains during lockdep_reset(). This fixes some locking-selftest
false positives i saw on -rt. (never saw those on mainline though, but it
could happen.)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/lockdep.c')
| -rw-r--r-- | kernel/lockdep.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 5ba2825bd46a..77fa791f6f31 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -2437,6 +2437,7 @@ EXPORT_SYMBOL_GPL(lock_release); void lockdep_reset(void) { unsigned long flags; + int i; raw_local_irq_save(flags); current->curr_chain_key = 0; @@ -2447,6 +2448,8 @@ void lockdep_reset(void) nr_softirq_chains = 0; nr_process_chains = 0; debug_locks = 1; + for (i = 0; i < CHAINHASH_SIZE; i++) + INIT_LIST_HEAD(chainhash_table + i); raw_local_irq_restore(flags); } |