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authorLinus Torvalds <torvalds@linux-foundation.org>2016-05-16 13:17:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-16 13:17:56 -0700
commit1c19b68a279c58d6da4379bf8b6d679a300a1daf (patch)
treed3907c0aa9119477dfd961bb127468d58233ac4d /include
parent49817c33433a3cd6f320b13699e6746cc39b453b (diff)
parenta1cc5bcfcfca0b99f009b117785142dbdc3b87a3 (diff)
downloadlinux-1c19b68a279c58d6da4379bf8b6d679a300a1daf.tar.bz2
Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking changes from Ingo Molnar: "The main changes in this cycle were: - pvqspinlock statistics fixes (Davidlohr Bueso) - flip atomic_fetch_or() arguments (Peter Zijlstra) - locktorture simplification (Paul E. McKenney) - documentation updates (SeongJae Park, David Howells, Davidlohr Bueso, Paul E McKenney, Peter Zijlstra, Will Deacon) - various fixes" * 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/atomics: Flip atomic_fetch_or() arguments locking/pvqspinlock: Robustify init_qspinlock_stat() locking/pvqspinlock: Avoid double resetting of stats lcoking/locktorture: Simplify the torture_runnable computation locking/Documentation: Clarify that ACQUIRE applies to loads, RELEASE applies to stores locking/Documentation: State purpose of memory-barriers.txt locking/Documentation: Add disclaimer locking/Documentation/lockdep: Fix spelling mistakes locking/lockdep: Deinline register_lock_class(), save 2328 bytes locking/locktorture: Fix NULL pointer dereference for cleanup paths locking/locktorture: Fix deboosting NULL pointer dereference locking/Documentation: Mention smp_cond_acquire() locking/Documentation: Insert white spaces consistently locking/Documentation: Fix formatting inconsistencies locking/Documentation: Add missed subsection in TOC locking/Documentation: Fix missed s/lock/acquire renames locking/Documentation: Clarify relationship of barrier() to control dependencies
Diffstat (limited to 'include')
-rw-r--r--include/linux/atomic.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/atomic.h b/include/linux/atomic.h
index 506c3531832e..e451534fe54d 100644
--- a/include/linux/atomic.h
+++ b/include/linux/atomic.h
@@ -560,11 +560,11 @@ static inline int atomic_dec_if_positive(atomic_t *v)
/**
* atomic_fetch_or - perform *p |= mask and return old value of *p
- * @p: pointer to atomic_t
* @mask: mask to OR on the atomic_t
+ * @p: pointer to atomic_t
*/
#ifndef atomic_fetch_or
-static inline int atomic_fetch_or(atomic_t *p, int mask)
+static inline int atomic_fetch_or(int mask, atomic_t *p)
{
int old, val = atomic_read(p);