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| author | Ingo Molnar <mingo@elte.hu> | 2011-11-11 08:19:37 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-11-11 08:19:37 +0100 |
| commit | efc96737bd82b508794d2b28061a12af4a3f7766 (patch) | |
| tree | e9fe4982967b74c0d25a35a2d7f7c62d8be98a47 /kernel/jump_label.c | |
| parent | 1ec454baf1245df4fdb5dae728da3363630ce6de (diff) | |
| parent | 7e9a49ef542610609144d1afcd516dc3fafac4d6 (diff) | |
| download | lwn-efc96737bd82b508794d2b28061a12af4a3f7766.tar.gz lwn-efc96737bd82b508794d2b28061a12af4a3f7766.zip | |
Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/core
Diffstat (limited to 'kernel/jump_label.c')
| -rw-r--r-- | kernel/jump_label.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/jump_label.c b/kernel/jump_label.c index bbdfe2a462a0..66ff7109f697 100644 --- a/kernel/jump_label.c +++ b/kernel/jump_label.c @@ -66,8 +66,9 @@ void jump_label_inc(struct jump_label_key *key) return; jump_label_lock(); - if (atomic_add_return(1, &key->enabled) == 1) + if (atomic_read(&key->enabled) == 0) jump_label_update(key, JUMP_LABEL_ENABLE); + atomic_inc(&key->enabled); jump_label_unlock(); } |