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From: David Howells <dhowells@redhat.com>
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Subject: Re: + kthread-add-a-missing-memory-barrier-to-kthread_stop.patch added to -mm tree
Date: Mon, 25 Feb 2008 13:55:50 +0000
Message-ID: <7789.1203947750@redhat.com>
Sender: linux-arch-owner@vger.kernel.org
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To: Dmitry Adamushko <dmitry.adamushko@gmail.com>
Cc: dhowells@redhat.com, Linus Torvalds <torvalds@linux-foundation.org>, Oleg Nesterov <oleg@tv-sign.ru>, Andrew Morton <akpm@linux-foundation.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, a.p.zijlstra@chello.nl, apw@shadowen.org, Ingo Molnar <mingo@elte.hu>, nickpiggin@yahoo.com.au, paulmck@linux.vnet.ibm.com, rusty@rustcorp.com.au, Steven Rostedt <rostedt@goodmis.org>, linux-arch@vger.kernel.org

Dmitry Adamushko <dmitry.adamushko@gmail.com> wrote:

> (3)
> 
> LOCK
> 
> LOAD(a)
> MODIFY(b)
> 
> UNLOCK
> 
> and this last one is a problem. No?

I assume you meant:

	LOCK
	LOAD(b)
	MODIFY(a)
	UNLOCK

David