summaryrefslogtreecommitdiff
path: root/include/linux/mutex.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2018-03-10 10:19:28 +0100
committerIngo Molnar <mingo@kernel.org>2018-03-10 10:19:28 +0100
commitd88f1f1fdb9f8f60602b406c89342e113a19df7f (patch)
tree16da02010b66f7f54fde737c5c54e43980789f79 /include/linux/mutex.h
parent04860d48a8aba5b21ae5ba1f86b0d4e3bc628fff (diff)
parentcdb06e9d8f520c969676e7d6778cffe5894f079f (diff)
Merge branch 'linus' into locking/core, to pick up fixes and dependencies
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 9b7fe56692bd..14bc0d5d0ee5 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -65,6 +65,11 @@ struct mutex {
#endif
};
+/*
+ * Internal helper function; C doesn't allow us to hide it :/
+ *
+ * DO NOT USE (outside of mutex code).
+ */
static inline struct task_struct *__mutex_owner(struct mutex *lock)
{
return (struct task_struct *)(atomic_long_read(&lock->owner) & ~0x07);