linux-kernel - Re: Linux 3.1-rc9

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Message-ID: <CA+55aFy5bpu_Aqp7HOtS3tLG5kQ9ut9qtpgM==DJBQ6s-51NEA@mail.gmail.com>
Date:	Tue, 18 Oct 2011 07:59:10 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Thomas Gleixner <tglx@...utronix.de>, Simon Kirby <sim@...tway.ca>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Dave Jones <davej@...hat.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: Linux 3.1-rc9

On Tue, Oct 18, 2011 at 2:05 AM, Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
>
> Subject: cputimer: Cure lock inversion
> From: Peter Zijlstra <a.p.zijlstra@...llo.nl>
> Date: Mon Oct 17 11:50:30 CEST 2011
>
> There's a lock inversion between the cputimer->lock and rq->lock; notably
> the two callchains involved are:

Thanks, looks nice and small. Simon - can you check that this works for you?

Thomas/Ingo - once confirmed by Simon, should I take it directly or
will this come through your trees?

                                 Linus
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