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Date: Wed, 25 Mar 2015 11:02:28 +0530
From: Preeti U Murthy <preeti@linux.vnet.ibm.com>
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To: Peter Zijlstra <peterz@infradead.org>, tglx@linutronix.de,
        mingo@kernel.org
CC: linux-kernel@vger.kernel.org, rjw@rjwysocki.net,
        Michael Ellerman <mpe@ellerman.id.au>
Subject: Re: [PATCH 32/35] clockevents: Fix cpu down race for hrtimer based
 broadcasting
References: <20150216121435.203983131@infradead.org> <20150216122413.880378334@infradead.org> <alpine.LFD.2.11.1502191124510.22104@knanqh.ubzr> <20150221124659.GG23367@worktop.ger.corp.intel.com> <alpine.LFD.2.11.1502211135230.25484@knanqh.ubzr> <20150223161457.GA5029@twins.programming.kicks-ass.net> <alpine.LFD.2.11.1502231124030.25484@knanqh.ubzr> <alpine.LFD.2.11.1502231214240.25484@knanqh.ubzr> <54EEAFCF.4080208@linux.vnet.ibm.com> <54F02F81.10901@linux.vnet.ibm.com> <20150302145635.GN21418@twins.programming.kicks-ass.net> <5506617B.1060107@linux.vnet.ibm.com>
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Ping.

On 03/16/2015 10:22 AM, Preeti U Murthy wrote:
> 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?
>>