linux-kernel - Re: [patch] locking, percpu counters: introduce separate lock classes

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Date:	Tue, 30 Dec 2008 07:56:50 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	David Miller <davem@...emloft.net>
Cc:	herbert@...dor.apana.org.au, a.p.zijlstra@...llo.nl,
	emil.s.tantilov@...el.com, jeffrey.t.kirsher@...el.com,
	netdev@...r.kernel.org, peter.p.waskiewicz.jr@...el.com,
	alexander.h.duyck@...el.com, dada1@...mosbay.com,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] locking, percpu counters: introduce separate lock
	classes


* David Miller <davem@...emloft.net> wrote:

> From: Ingo Molnar <mingo@...e.hu>
> Date: Tue, 30 Dec 2008 07:05:36 +0100
> 
> > One small nit: could you please add the Reported-by line for Jeff Kirscher 
> > who reported the problem originally:
> > 
> >  Reported-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
> 
> I'll make sure to add that to the commit message after
> you successfully test Herbert's patch.
> 
> Thanks.

early indications are good: after about 15 random bootup tests the lockdep 
warning has not triggered. (it would trigger on every 2nd kernel before 
that - there's a 66% chance for lockdep to be enabled in my randconfig 
tests)

	Ingo
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