Re: [PATCH 06/20] arch,avr32: Fold atomic_ops

[Peter Zijlstra]

On Fri, May 09, 2014 at 10:43:09PM +0200, Peter Zijlstra wrote:
> On Fri, May 09, 2014 at 08:32:41PM +0200, Hans-Christian Egtvedt wrote:

> > > -	if (__builtin_constant_p(i) && (i >= -1048575) && (i <= 1048576))
> > > -		result = atomic_sub_return(-i, v);
> > 
> > I do not recall why we did it like this any more, I would assume both sub and
> > add to be single cycle instructions.

Similarly, can I rip out atomic_sub_unless() ?
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