Re: cmpxchg is not available to generic code

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On Thu, 19 Jul 2007 09:19:10 +0100 (IST) Dave Airlie <[email protected]> wrote:

> >
> >> they need to grow a userpsace
> >> cmpxchg as davem mentioned to go along with this, changing the drm now
> >> isn't possible due to backwards compat..
> >
> > For reference purposes, that position is not acceptable.  We _never_ accept the
> > "oh I can't change my proposed kernel interface because I already have
> > userspace relying on it" argument.
> 
> Yes it is, I thought breaking userspace API was the worst crime in kernel 
> history, (unless you are sysfs...) the userspace DRM has been around since 
> 2.2 days at least, so there are lots of legacy userspaces to break..

oh, sorry, I thought this cmpxchg stuff was newly-added.

I guess something changed which has now made DRM available under arm
allmodconfig.


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