Commit f5468ffd authored by Will Deacon's avatar Will Deacon Committed by Ingo Molnar

locking/lockref: Remove homebrew cmpxchg64_relaxed() macro definition

cmpxchg64_relaxed() is now defined by linux/atomic.h, so we can
remove our local definition from the lockref code.
Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Waiman.Long@hp.com
Cc: paulmck@linux.vnet.ibm.com
Link: http://lkml.kernel.org/r/1438880084-18856-5-git-send-email-will.deacon@arm.comSigned-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 6d79ef2d
......@@ -3,14 +3,6 @@
#if USE_CMPXCHG_LOCKREF
/*
* Allow weakly-ordered memory architectures to provide barrier-less
* cmpxchg semantics for lockref updates.
*/
#ifndef cmpxchg64_relaxed
# define cmpxchg64_relaxed cmpxchg64
#endif
/*
* Note that the "cmpxchg()" reloads the "old" value for the
* failure case.
......
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