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

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Message-ID: <20140207074405.GM5002@laptop.programming.kicks-ass.net>
Date:	Fri, 7 Feb 2014 08:44:05 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	Torvald Riegel <triegel@...hat.com>,
	Will Deacon <will.deacon@....com>,
	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>,
	"torvalds@...ux-foundation.org" <torvalds@...ux-foundation.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 Thu, Feb 06, 2014 at 08:20:51PM -0800, Paul E. McKenney wrote:
> Hopefully some discussion of out-of-thin-air values as well.

Yes, absolutely shoot store speculation in the head already. Then drive
a wooden stake through its hart.

C11/C++11 should not be allowed to claim itself a memory model until that
is sorted.
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