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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-18 11:16:55 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-18 11:16:55 +1000 |
| commit | 4b337c5f245b6587ba844ac7bb13c313a2912f7b (patch) | |
| tree | 999c6a6580b76a083c8efb9dabff709d1c49fcd0 /lib/dec_and_lock.c | |
| parent | 492b057c426e4aa747484958e18e9da29003985d (diff) | |
| parent | 3fe0344faf7fdcb158bd5c1a9aec960a8d70c8e8 (diff) | |
| download | kernel-crypto-4b337c5f245b6587ba844ac7bb13c313a2912f7b.tar.gz kernel-crypto-4b337c5f245b6587ba844ac7bb13c313a2912f7b.tar.xz kernel-crypto-4b337c5f245b6587ba844ac7bb13c313a2912f7b.zip | |
Merge commit 'origin/master' into next
Diffstat (limited to 'lib/dec_and_lock.c')
| -rw-r--r-- | lib/dec_and_lock.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/dec_and_lock.c b/lib/dec_and_lock.c index a65c3145554..e73822aa6e9 100644 --- a/lib/dec_and_lock.c +++ b/lib/dec_and_lock.c @@ -19,11 +19,10 @@ */ int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock) { -#ifdef CONFIG_SMP /* Subtract 1 from counter unless that drops it to 0 (ie. it was 1) */ if (atomic_add_unless(atomic, -1, 1)) return 0; -#endif + /* Otherwise do it the slow way */ spin_lock(lock); if (atomic_dec_and_test(atomic)) |