linux-kernel - Re: [PATCH 1/2] Revert "cpu hotplug: adjust root-domain->onlinespan in response to hotplug

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Message-Id: <47D63CB3.BA47.005A.0@novell.com>
Date:	Tue, 11 Mar 2008 06:02:59 -0600
From:	"Gregory Haskins" <ghaskins@...ell.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Linus Torvalds" <torvalds@...ux-foundation.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] Revert "cpu hotplug: adjust
	root-domain->onlinespan in response to hotplug

>>> On Tue, Mar 11, 2008 at  4:52 AM, in message <20080311085201.GD25110@...e.hu>,
Ingo Molnar <mingo@...e.hu> wrote: 

> * Gregory Haskins <ghaskins@...ell.com> wrote:
> 
>> This reverts commit 393d94d98b19089ec172566e23557997931b137e.
>> 
>> I submitted 393d94d98b1 to -mm and sched-devel, and then quickly 
>> realized it was flawed.  However, the patch was already "in flight" 
>> and made it to Linus' tree and is in .25-rc5.  So this patch reverts 
>> the original/flawed fix, and the patch that follows has the updated 
>> version.
> 
> yeah, but the patch fixed Andrew's regression and passed my testing so i 
> wanted to have _something_ in -rc5, even if we found the right fix.
> 
> i've applied your revert and the real fix now.


Hi Ingo,
  Understood, and no problem.  I just wanted to make sure I accurately described what I was doing ;)

Also, for the second patch, make sure you pick up "v2" which has both DYING/DYING_FROZEN.  The hotplug gurus indicated that I need both to work properly.

Thanks!

-Greg




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