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

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Date:	Mon, 17 Feb 2014 18:59:31 +0000
From:	"Joseph S. Myers" <joseph@...esourcery.com>
To:	Torvald Riegel <triegel@...hat.com>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	Will Deacon <will.deacon@....com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ramana Radhakrishnan <Ramana.Radhakrishnan@....com>,
	David Howells <dhowells@...hat.com>,
	"linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"mingo@...nel.org" <mingo@...nel.org>,
	"gcc@....gnu.org" <gcc@....gnu.org>
Subject: Re: [RFC][PATCH 0/5] arch: atomic rework

On Sat, 15 Feb 2014, Torvald Riegel wrote:

> glibc is a counterexample that comes to mind, although it's a smaller
> code base.  (It's currently not using C11 atomics, but transitioning
> there makes sense, and some thing I want to get to eventually.)

glibc is using C11 atomics (GCC builtins rather than _Atomic / 
<stdatomic.h>, but using __atomic_* with explicitly specified memory model 
rather than the older __sync_*) on AArch64, plus in certain cases on ARM 
and MIPS.

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