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SubjectRe: [PATCH -tip] x86: atomic64: inline atomic64_read()
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Ingo Molnar <mingo@elte.hu> writes:
>
> Is the same true of XADD as well? If yes then we can remove the lock
> prefix from those as well - there's a few uses of that on 32-bit and
> 64-bit as well.

XADD also has no implicit LOCK. AFAIK the implicit semantics are
only true for XCHG.

-Andi

--
ak@linux.intel.com -- Speaking for myself only.


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