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author | Nicholas Mc Guire <der.herr@hofr.at> | 2013-11-29 05:19:41 (GMT) |
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committer | Scott Wood <scottwood@freescale.com> | 2014-05-14 18:38:26 (GMT) |
commit | 729bdb5ce453cdde6ece4af80d72ef8101903b5f (patch) | |
tree | 6d965b11f3832d7de097bcaa964575557ba4305a /kernel/rtmutex.c | |
parent | af2659f651918849544c9b6673def89a6c2d1347 (diff) | |
download | linux-fsl-qoriq-729bdb5ce453cdde6ece4af80d72ef8101903b5f.tar.xz |
migrate_disable pushd down in atomic_dec_and_spin_lock
Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Diffstat (limited to 'kernel/rtmutex.c')
-rw-r--r-- | kernel/rtmutex.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/rtmutex.c b/kernel/rtmutex.c index 1c4808f..f6b6ebb 100644 --- a/kernel/rtmutex.c +++ b/kernel/rtmutex.c @@ -935,12 +935,12 @@ int atomic_dec_and_spin_lock(atomic_t *atomic, spinlock_t *lock) /* Subtract 1 from counter unless that drops it to 0 (ie. it was 1) */ if (atomic_add_unless(atomic, -1, 1)) return 0; - migrate_disable(); rt_spin_lock(lock); - if (atomic_dec_and_test(atomic)) + if (atomic_dec_and_test(atomic)){ + migrate_disable(); return 1; + } rt_spin_unlock(lock); - migrate_enable(); return 0; } EXPORT_SYMBOL(atomic_dec_and_spin_lock); |