Date: Sat, 3 Jan 2009 16:47:33 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Mike Travis <travis@sgi.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       linux-kernel@vger.kernel.org
Subject: Re: [PULL] cpumask tree
Message-ID: <20090103154733.GA8111@elte.hu>
References: <200901011149.18401.rusty@rustcorp.com.au> <alpine.LFD.2.00.0901021149020.5086@localhost.localdomain> <20090102203839.GA26850@elte.hu> <200901031751.00076.rusty@rustcorp.com.au> <20090103105208.GA19080@elte.hu> <495F7D27.8020104@sgi.com> <20090103150634.GA28693@elte.hu> <495F84D8.1070404@sgi.com>
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* Mike Travis <travis@sgi.com> wrote:

> Ingo Molnar wrote:
> > * Mike Travis <travis@sgi.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@sgi.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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