Re: cmpxchg is not available to generic code

[Dave Airlie]

On 7/19/07, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> On Thu, 19 Jul 2007 18:15:03 +1000 "Dave Airlie" <airlied@xxxxxxxxx> wrote:
>
> > Maybe we could add CONFIG_HAVE_CMPXCHG and let DRM depend on it..
>
> That would certainly be better than adding a sprinkle of architectures
> in DRM Kconfig dependencies.
>
> I don't know how important DRM is on ARM.  Zero?

I'd guess zero I suppose if you wanted you could hook up a PCI
graphics card on ARM, but if you do that I think you could implement
cmpxchg :-)

Dave.
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