linux-kernel - Re: [BUGFIX][PATCH] Freezer, CPU hotplug, x86 Microcode: Fix task freezing failures

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Message-Id: <201110060043.19583.rjw@sisk.pl>
Date:	Thu, 6 Oct 2011 00:43:19 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
Cc:	Borislav Petkov <bp@...64.org>, Borislav Petkov <bp@...en8.de>,
	Tejun Heo <tj@...nel.org>,
	"tigran@...azian.fsnet.co.uk" <tigran@...azian.fsnet.co.uk>,
	"tglx@...utronix.de" <tglx@...utronix.de>,
	"mingo@...e.hu" <mingo@...e.hu>, "hpa@...or.com" <hpa@...or.com>,
	"x86@...nel.org" <x86@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux PM mailing list <linux-pm@...ts.linux-foundation.org>
Subject: Re: [BUGFIX][PATCH] Freezer, CPU hotplug, x86 Microcode: Fix task freezing failures

On Wednesday, October 05, 2011, Srivatsa S. Bhat wrote:
> On 10/06/2011 01:56 AM, Rafael J. Wysocki wrote:
> > 
> > OK, can you please repost the patch with Borislav's Acked-by and Tested-by
> > and add some more Intel people to the CC list?
> > 
> 
> Sure, I'll do that. Thank you.
> But are we not going to consider a cleaner/correct solution such as the
> one proposed here:
> http://permalink.gmane.org/gmane.linux.kernel/1199494
> 
> Well, honestly I don't mean to be stubborn, but somehow, knowing that
> there are issues with my patch doesn't make me feel very comfortable
> going with it, especially when there is another approach, which I
> believe can fix the issue properly, without undesirable side-effects.
> 
> I agree that the issues are mostly some corner cases, so if you want a
> quick fix for now, I guess we can go with this patch and then later on
> follow-up with a proper solution to this whole problem.

It ultimately is your call.  If you feel more comfortable with the
alternative, just post that one instead.

Thanks,
Rafael
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