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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-05 12:49:59 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-05 12:49:59 -0500
commit3e72b810e30cdf4655279dd767eb798ac7a8fe5e (patch)
treea6c8daae5390b44750dfc4ca9bc984430dd16e74 /kernel/mutex.c
parent9b269d4034c7855ac34f0985cc55ee29bd80e80a (diff)
parentc08f782985eed9959438368e84ce1d7f2ed03d95 (diff)
Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: mutex: Fix missing conditions to build mutex_spin_on_owner() mutex: Better control mutex adaptive spinning config locking, task_struct: Reduce size on TRACE_IRQFLAGS and 64bit locking: Use __[SPIN|RW]_LOCK_UNLOCKED in [spin|rw]_lock_init() locking: Remove unused prototype locking: Reduce ifdefs in kernel/spinlock.c locking: Make inlining decision Kconfig based
Diffstat (limited to 'kernel/mutex.c')
-rw-r--r--kernel/mutex.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/mutex.c b/kernel/mutex.c
index 947b3ad551f8..632f04c57d82 100644
--- a/kernel/mutex.c
+++ b/kernel/mutex.c
@@ -148,8 +148,8 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
148 148
149 preempt_disable(); 149 preempt_disable();
150 mutex_acquire(&lock->dep_map, subclass, 0, ip); 150 mutex_acquire(&lock->dep_map, subclass, 0, ip);
151#if defined(CONFIG_SMP) && !defined(CONFIG_DEBUG_MUTEXES) && \ 151
152 !defined(CONFIG_HAVE_DEFAULT_NO_SPIN_MUTEXES) 152#ifdef CONFIG_MUTEX_SPIN_ON_OWNER
153 /* 153 /*
154 * Optimistic spinning. 154 * Optimistic spinning.
155 * 155 *