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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2011-01-31 21:16:22 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-01-31 21:16:22 -0800
commita1f3d4bba8ea395a39d34ade6017afee8be16031 (patch)
tree874d843d35622f17aa6c3e048e42cf0d679bcb75 /include/linux/mutex.h
parent723d928417bffff6467da155d8ebbbe016464012 (diff)
parentebf53826e105f488f4f628703a108e98940d1dc5 (diff)
downloadlinux-a1f3d4bba8ea395a39d34ade6017afee8be16031.tar.gz
linux-a1f3d4bba8ea395a39d34ade6017afee8be16031.zip
Merge commit 'v2.6.38-rc3' into next
Diffstat (limited to 'include/linux/mutex.h')
-rw-r--r--include/linux/mutex.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index f363bc8fdc74..94b48bd40dd7 100644
--- 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