Re: [cpuops cmpxchg double V1 2/4] x86: this_cpu_cmpxchg_double()support
From: Christoph Lameter
Date: Wed Dec 15 2010 - 11:12:46 EST
On Tue, 14 Dec 2010, H. Peter Anvin wrote:
> > NAK on this. This is acceptable for cmpxchg8b only because we don't
> > support SMP on 486s anymore. x86-64 is another matter...
> >
>
> Hm, this is meant to be a CPU local operation, isn't it... it isn't very
> clear from the comments or naming *in this file*.
Ok. But the code is correct as far as I can tell. Its not a global cmpxchg
but local. Interrupt disable is ok.
> Could you make it a little clearer in the local code, please?
ok.
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