Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=27c3b23226fc649de47e4886ccbf994482f388ba Commit: 27c3b23226fc649de47e4886ccbf994482f388ba Parent: 33e94e960b57497fe7fd9493080210b6d87e88e6 Author: Ingo Molnar <[EMAIL PROTECTED]> AuthorDate: Wed Dec 13 00:34:42 2006 -0800 Committer: Linus Torvalds <[EMAIL PROTECTED]> CommitDate: Wed Dec 13 09:05:50 2006 -0800
[PATCH] lockdep: use chain hash on CONFIG_DEBUG_LOCKDEP too CONFIG_DEBUG_LOCKDEP is unacceptably slow because it does not utilize the chain-hash. Turn the chain-hash back on in this case too. Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]> Signed-off-by: Andrew Morton <[EMAIL PROTECTED]> Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]> --- kernel/lockdep.c | 8 -------- 1 files changed, 0 insertions(+), 8 deletions(-) diff --git a/kernel/lockdep.c b/kernel/lockdep.c index c4ffd3c..69e92c6 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -1276,14 +1276,6 @@ static inline int lookup_chain_cache(u64 chain_key, struct lock_class *class) if (chain->chain_key == chain_key) { cache_hit: debug_atomic_inc(&chain_lookup_hits); - /* - * In the debugging case, force redundant checking - * by returning 1: - */ -#ifdef CONFIG_DEBUG_LOCKDEP - __raw_spin_lock(&hash_lock); - return 1; -#endif if (very_verbose(class)) printk("\nhash chain already cached, key: %016Lx tail class: [%p] %s\n", chain_key, class->key, class->name); return 0; - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html