linux-kernel - Re: [RFC][PATCH 0/5] arch: atomic rework

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Date:	Thu, 6 Feb 2014 23:33:23 +0000
From:	"Joseph S. Myers" <joseph@...esourcery.com>
To:	Torvald Riegel <triegel@...hat.com>
CC:	Will Deacon <will.deacon@....com>,
	Ramana Radhakrishnan <Ramana.Radhakrishnan@....com>,
	David Howells <dhowells@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"torvalds@...ux-foundation.org" <torvalds@...ux-foundation.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"mingo@...nel.org" <mingo@...nel.org>,
	"paulmck@...ux.vnet.ibm.com" <paulmck@...ux.vnet.ibm.com>,
	"gcc@....gnu.org" <gcc@....gnu.org>
Subject: Re: [RFC][PATCH 0/5] arch: atomic rework

On Fri, 7 Feb 2014, Torvald Riegel wrote:

> I think that if we have different options, there needs to be agreement
> on which to choose across the compilers, at the very least.  I don't
> quite know how this looks like for GCC and LLVM, for example.

I'm not sure we even necessarily get compatibility for the alignment of 
_Atomic types yet (and no ABI document I've seen discusses that issue).

-- 
Joseph S. Myers
joseph@...esourcery.com
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