linux-kernel - Re: [PATCH 0/2] fix the itimer regression (BZ 12618)

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Date:	Tue, 10 Feb 2009 10:48:07 +0800
From:	Lin Ming <lin@...ggr.cn>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>, tglx@...utronix.de,
	oleg@...hat.com, linux-kernel@...r.kernel.org,
	yanmin_zhang@...ux.intel.com, seto.hidetoshi@...fujitsu.com
Subject: Re: [PATCH 0/2] fix the itimer regression (BZ 12618)

On Thu, Feb 5, 2009 at 8:06 PM, Ingo Molnar <mingo@...e.hu> wrote:
>
> * Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
>
>> This should hopefully address all the itimer borkage.
>
> Applied to tip:timers/urgent, thanks Peter!
>
> Yanmin: could you check hacbench_pth with latest tip/master, do
> these fixes resolve that 3% regression you reported?

hacbench_pth still has regression with 2.6.29-rc4.
Below 2 patches that fixed the regression are not merged into 2.6.29-rc4.

commit 32bd671d6cbeda60dc73be77fa2b9037d9a9bfa0
Author: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Date:   Thu Feb 5 12:24:15 2009 +0100

    signal: re-add dead task accumulation stats.

commit 4cd4c1b40d40447fb5e7ba80746c6d7ba91d7a53
Author: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Date:   Thu Feb 5 12:24:16 2009 +0100

    timers: split process wide cpu clocks/timers

Lin Ming
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