Re: [PATCH -tip] x86: atomic64: inline atomic64_read()

[Andi Kleen]

Ingo Molnar <mingo@xxxxxxx> 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@xxxxxxxxxxxxxxx -- Speaking for myself only.
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