linux-kernel - Re: [PATCH v2] NOHZ: fix nohz on cpu unplug

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Message-ID: <498B43D9.2080800@rtr.ca>
Date:	Thu, 05 Feb 2009 14:54:01 -0500
From:	Mark Lord <lkml@....ca>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Suresh Siddha <suresh.b.siddha@...el.com>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>
Subject: Re: [PATCH v2] NOHZ: fix nohz on cpu unplug

Ingo Molnar wrote:
> * Suresh Siddha <suresh.b.siddha@...el.com> wrote:
> 
>> On Tue, 2009-02-03 at 22:19 -0800, Christian Borntraeger wrote:
>>> Am Tuesday 03 February 2009 13:28:47 schrieb Ingo Molnar:
>>>>>> +         if (!cpu_active(cpu) {
>>>>> That does not compile...I used the following:
>>>>>             if (!cpu_active(cpu)) {
>>>> Could you please resubmit an updated patch?
>>> Suresh,
>>>
>>> can you send the updated patch? After all, its your work and we need your
>>> Signed-off-by anyway.
>>>
>>> You can add my
>>> Reported-by: Christian Borntraeger <borntraeger@...ibm.com>
>>> Tested-by: Christian Borntraeger <borntraeger@...ibm.com>
>> Thanks Christian for testing the fix. Ingo, appended is the updated patch. 
>> Thanks.
> 
> applied to tip:sched/urgent, thanks guys!
> 
> 	Ingo
..

How far back in (kernel release) time does this problem exist?
Candidate for -stable ?

Cheers
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