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Re: [RFC][PATCH 04/24] arm64: Provide atomic_{or,xor,and}

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  Re: [RFC][PATCH 04/24] arm64: Provide atomic_{or,xor,and} Will Deacon <will.deacon@arm.com> - 2015-07-10 10:50 +0200
    Re: [RFC][PATCH 04/24] arm64: Provide atomic_{or,xor,and} Peter Zijlstra <peterz@infradead.org> - 2015-07-10 18:30 +0200
      Re: [RFC][PATCH 04/24] arm64: Provide atomic_{or,xor,and} Will Deacon <will.deacon@arm.com> - 2015-07-13 11:40 +0200

#1181391 — Re: [RFC][PATCH 04/24] arm64: Provide atomic_{or,xor,and}

Hi Peter,

On Thu, Jul 09, 2015 at 06:28:59PM +0100, Peter Zijlstra wrote:
> Implement atomic logic ops -- atomic_{or,xor,and}.
> 
> These will replace the atomic_{set,clear}_mask functions that are
> available on some archs.
> 
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> ---

Whilst this is pretty straight-foward, I have some serious rework on arm64
atomic.h pending, so do you mind if I take this via the arm64 tree and
resolve the conflicts myself?

Cheers,

Will
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#1181728

On Fri, Jul 10, 2015 at 09:42:59AM +0100, Will Deacon wrote:
> Hi Peter,
> 
> On Thu, Jul 09, 2015 at 06:28:59PM +0100, Peter Zijlstra wrote:
> > Implement atomic logic ops -- atomic_{or,xor,and}.
> > 
> > These will replace the atomic_{set,clear}_mask functions that are
> > available on some archs.
> > 
> > 
> > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> > ---
> 
> Whilst this is pretty straight-foward, I have some serious rework on arm64
> atomic.h pending, so do you mind if I take this via the arm64 tree and
> resolve the conflicts myself?

Are those public anywhere.. The thing is, at the end of this series I
pretty much assume all archs will have these ops available, so whatever
tree I stick the rest in woudl have to pull in your branch too.

Also, IF you apply locally, do not forget to s/or/orr/ on the 64bit
versions, I seem to have missed updating those, just like I did on 32bit
arm.
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#1182645

On Fri, Jul 10, 2015 at 05:23:56PM +0100, Peter Zijlstra wrote:
> On Fri, Jul 10, 2015 at 09:42:59AM +0100, Will Deacon wrote:
> > On Thu, Jul 09, 2015 at 06:28:59PM +0100, Peter Zijlstra wrote:
> > > Implement atomic logic ops -- atomic_{or,xor,and}.
> > > 
> > > These will replace the atomic_{set,clear}_mask functions that are
> > > available on some archs.
> > > 
> > > 
> > > Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> > > ---
> > 
> > Whilst this is pretty straight-foward, I have some serious rework on arm64
> > atomic.h pending, so do you mind if I take this via the arm64 tree and
> > resolve the conflicts myself?
> 
> Are those public anywhere.. The thing is, at the end of this series I
> pretty much assume all archs will have these ops available, so whatever
> tree I stick the rest in woudl have to pull in your branch too.

Spammed you with the series now. Not sure you'd want to pull all that lot
via -tip, though.

> Also, IF you apply locally, do not forget to s/or/orr/ on the 64bit
> versions, I seem to have missed updating those, just like I did on 32bit
> arm.

Ok, thanks for the heads up.

Will
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