linux-kernel - Re: [PATCH v3 3/5] MCS Lock: Barrier corrections

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Message-ID: <20131107222144.GC19203@twins.programming.kicks-ass.net>
Date:	Thu, 7 Nov 2013 23:21:44 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Tim Chen <tim.c.chen@...ux.intel.com>
Cc:	Michel Lespinasse <walken@...gle.com>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Waiman Long <waiman.long@...com>,
	Arnd Bergmann <arnd@...db.de>, Rik van Riel <riel@...hat.com>,
	Aswin Chandramouleeswaran <aswin@...com>,
	Raghavendra K T <raghavendra.kt@...ux.vnet.ibm.com>,
	"Figo. zhang" <figo1802@...il.com>, linux-arch@...r.kernel.org,
	Andi Kleen <andi@...stfloor.org>,
	George Spelvin <linux@...izon.com>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Hurley <peter@...leysoftware.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-mm <linux-mm@...ck.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Alex Shi <alex.shi@...aro.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Scott J Norton <scott.norton@...com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Dave Hansen <dave.hansen@...el.com>,
	Matthew R Wilcox <matthew.r.wilcox@...el.com>,
	Will Deacon <will.deacon@....com>,
	Davidlohr Bueso <davidlohr.bueso@...com>
Subject: Re: [PATCH v3 3/5] MCS Lock: Barrier corrections

On Thu, Nov 07, 2013 at 01:15:51PM -0800, Tim Chen wrote:
> Michel, are you planning to do an implementation of
> load-acquire/store-release functions of various architectures?

A little something like this:
http://marc.info/?l=linux-arch&m=138386254111507

It so happens we were working on that the past week or so due to another
issue ;-)
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