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

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Message-ID: <4E8CC8FA.2090100@linux.vnet.ibm.com>
Date:	Thu, 06 Oct 2011 02:45:38 +0530
From:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
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 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.

-- 
Regards,
Srivatsa S. Bhat  <srivatsa.bhat@...ux.vnet.ibm.com>
Linux Technology Center,
IBM India Systems and Technology Lab

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