On Wed, Apr 27, 2016 at 10:50:34PM +0800, Boqun Feng wrote: > > Sorry, my bad, we can't implement cmpxchg like this.. please ignore > this, I should really go to bed soon... > > But still, we can save the "tmp" for xchg() I think. >
No.. we can't. Sorry for all the noise. This patch looks good to me. FWIW, you can add Acked-by: Boqun Feng <boqun.f...@gmail.com> Regards, Boqun
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