linux-kernel - Re: [PATCH 00/28] arch: Provide atomic logic ops

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Date:	Fri, 17 Jul 2015 13:57:34 +0100
From:	Will Deacon <will.deacon@....com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	"rth@...ddle.net" <rth@...ddle.net>,
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	"rkuo@...eaurora.org" <rkuo@...eaurora.org>,
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	"ysato@...rs.sourceforge.jp" <ysato@...rs.sourceforge.jp>,
	"mingo@...nel.org" <mingo@...nel.org>
Subject: Re: [PATCH 00/28] arch: Provide atomic logic ops

On Thu, Jul 16, 2015 at 06:21:10PM +0100, Peter Zijlstra wrote:
> Currently there is an incoherent mess of atomic_{set,clear}_mask() and
> atomic_or() (but no atomic_{and,nand,xor}()) in the tree.
> 
> Those archs that implement atomic_{set,clear}_mask() are not even consistent on
> its signature.
> 
> Implement atomic_{or,and,xor}() on all archs and deprecate
> atomic_{set,clear}_mask().
> 
> The series has been compile tested by the build-bot, no known failures at this time.
> 
> I would like to take this through tip; I'll ask Ingo to put it in a separate
> branch such that people can pull in that branch if there is conflicting work
> elsewhere (Will has some for Argh64).

Cheers, Peter. FWIW, the ARM/arm64 bits look fine to me:

  Acked-by: Will Deacon <will.deacon@....com>

Will
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