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authorRob Herring <robh@kernel.org>2018-03-08 10:21:07 -0500
committerRob Herring <robh@kernel.org>2018-03-08 10:21:07 -0500
commitc679fa6e3aaa5c58fc514b5b88cfa82774b8d390 (patch)
tree0c10b339368bd1795152a66a4e245e6f654fb3ec /include/linux/mutex.h
parentbdb7013df910681f84eff27b07791d4c160cb76f (diff)
parent4fd98e374fd377ae0458a9dc44aa779cf9631ddd (diff)
Merge branch 'dtc-update' into dt/next
Diffstat (limited to 'include/linux/mutex.h')
-rw-r--r--include/linux/mutex.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index f25c13423bd4..cb3bbed4e633 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -66,6 +66,11 @@ struct mutex {
66#endif 66#endif
67}; 67};
68 68
69/*
70 * Internal helper function; C doesn't allow us to hide it :/
71 *
72 * DO NOT USE (outside of mutex code).
73 */
69static inline struct task_struct *__mutex_owner(struct mutex *lock) 74static inline struct task_struct *__mutex_owner(struct mutex *lock)
70{ 75{
71 return (struct task_struct *)(atomic_long_read(&lock->owner) & ~0x07); 76 return (struct task_struct *)(atomic_long_read(&lock->owner) & ~0x07);