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>
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@ -134,7 +134,7 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
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#define atomic_long_cmpxchg(l, old, new) \
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(atomic64_cmpxchg((atomic64_t *)(l), (old), (new)))
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#define atomic_long_xchg(v, new) \
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(atomic64_xchg((atomic64_t *)(l), (new)))
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(atomic64_xchg((atomic64_t *)(v), (new)))
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#else /* BITS_PER_LONG == 64 */
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