linux-kernel - Re: [PULL] cpumask tree

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Date:	Sat, 3 Jan 2009 16:47:33 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Mike Travis <travis@....com>
Cc:	Rusty Russell <rusty@...tcorp.com.au>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PULL] cpumask tree


* Mike Travis <travis@....com> wrote:

> Ingo Molnar wrote:
> > * Mike Travis <travis@....com> wrote:
> > 
> >>> Once we have figured out the CPU-hotplug lockdep splat (possibly due 
> >>> to Mike's changes not yours) i'll send it to Linus. Thanks,
> >>>
> >>> 	Ingo
> >> Thanks!  Am working on that now.
> > 
> > do you suspect any of the commits? I'm bisecting it right now but if you 
> > have bisected it already i wont repeat it.
> > 
> > 	Ingo
> 
> I haven't done that yet, I'm just now getting your config to work pre-patches.
> 
> But yes, I suspect one of the changes to use "work_on_cpu" -- this 
> usually causes the 2nd call to get_online_cpus().

i suspect it's:

| commit 2d22bd5e74519854458ad372a89006e65f45e628
| Author: Mike Travis <travis@....com>
| Date:   Wed Dec 31 18:08:46 2008 -0800
|
|     x86: cleanup remaining cpumask_t code in microcode_core.c

as the microcode is loaded during CPU onlining.

	Ingo
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