[tip:perfcounters/core] x86: Fix atomic_long_xchg() on 64bit

tip-bot for Peter Zijlstra
2009-06-02T20:16:43Z

Commit-ID: 53e111a730ea8b002d57dd226098c12789993329
Gitweb: http://git.kernel.org/tip/53e111a730ea8b002d57dd226098c12789993329
Author: Peter Zijlstra <a.p.zijlstra@chello.nl>
AuthorDate: Tue, 2 Jun 2009 17:01:58 +0200
Committer: Ingo Molnar <mingo@elte.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@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.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 */