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Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
[cascardo/linux.git]
/
include
/
linux
/
mutex.h
diff --git
a/include/linux/mutex.h
b/include/linux/mutex.h
index
f363bc8
..
94b48bd
100644
(file)
--- a/
include/linux/mutex.h
+++ b/
include/linux/mutex.h
@@
-160,4
+160,8
@@
extern int mutex_trylock(struct mutex *lock);
extern void mutex_unlock(struct mutex *lock);
extern int atomic_dec_and_mutex_lock(atomic_t *cnt, struct mutex *lock);
+#ifndef CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX
+#define arch_mutex_cpu_relax() cpu_relax()
+#endif
+
#endif