linux-kernel - Re: [PATCH 32/35] clockevents: Fix cpu down race for hrtimer based broadcasting

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Message-ID: <5506617B.1060107@linux.vnet.ibm.com>
Date:	Mon, 16 Mar 2015 10:22:11 +0530
From:	Preeti U Murthy <preeti@...ux.vnet.ibm.com>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	tglx@...utronix.de, linux-kernel@...r.kernel.org, mingo@...nel.org,
	rjw@...ysocki.net, Michael Ellerman <mpe@...erman.id.au>
Subject: Re: [PATCH 32/35] clockevents: Fix cpu down race for hrtimer based
 broadcasting

Hi Peter, Ingo, Thomas,

Can you please take a look at the conversation on this thread ?
This fix is urgent.

Regards
Preeti U Murthy

On 03/02/2015 08:26 PM, Peter Zijlstra wrote:
> On Fri, Feb 27, 2015 at 02:19:05PM +0530, Preeti U Murthy wrote:
>> The problem reported in the changelog of this patch is causing severe
>> regressions very frequently on our machines for certain usecases. It would
>> help to put in a fix in place first and then follow that up with these
>> cleanups.  A fix on the below lines :
> 
> Regression how? Neither Thomas' Changelog, nor yours mention its a
> regression.
> 
> If its a (recent) Regression you need to have a Fixes tag at the very
> least. So when was this broken and by which patch?
> 

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