linux-kernel - [tip:perfcounters/core] x86: Fix atomic_long

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Message-ID: <tip-53e111a730ea8b002d57dd226098c12789993329@git.kernel.org>
Date:	Tue, 2 Jun 2009 20:15:53 GMT
From:	tip-bot for Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	a.p.zijlstra@...llo.nl, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perfcounters/core] x86: Fix atomic_long_xchg() on 64bit

Commit-ID:  53e111a730ea8b002d57dd226098c12789993329
Gitweb:     http://git.kernel.org/tip/53e111a730ea8b002d57dd226098c12789993329
Author:     Peter Zijlstra <a.p.zijlstra@...llo.nl>
AuthorDate: Tue, 2 Jun 2009 17:01:58 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Tue, 2 Jun 2009 21:45:29 +0200

x86: Fix atomic_long_xchg() on 64bit

Apparently I'm the first to use it :-)

Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 include/asm-generic/atomic.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h
index 3673a13..81d3be4 100644
--- a/include/asm-generic/atomic.h
+++ b/include/asm-generic/atomic.h
@@ -134,7 +134,7 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
 #define atomic_long_cmpxchg(l, old, new) \
 	(atomic64_cmpxchg((atomic64_t *)(l), (old), (new)))
 #define atomic_long_xchg(v, new) \
-	(atomic64_xchg((atomic64_t *)(l), (new)))
+	(atomic64_xchg((atomic64_t *)(v), (new)))
 
 #else  /*  BITS_PER_LONG == 64  */
 
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