linux-kernel - Re: lockdep warnings: cpufreq ondemand gorvernor possibly circular locking

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Message-Id: <20090510110428.8c55aab1.akpm@linux-foundation.org>
Date:	Sun, 10 May 2009 11:04:28 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	Greg KH <greg@...ah.com>, Ingo Molnar <mingo@...e.hu>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Ben Slusky <sluskyb@...anoiacs.org>,
	Dave Jones <davej@...hat.com>,
	Chris Wright <chrisw@...s-sol.org>
Subject: Re: lockdep warnings: cpufreq ondemand gorvernor possibly circular
  locking

On Mon, 11 May 2009 00:22:26 +0900 KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com> wrote:

> my box output following warnings.
> it seems regression by commit 7ccc7608b836e58fbacf65ee4f8eefa288e86fac.
> 
> A: work -> do_dbs_timer()  -> cpu_policy_rwsem
> B: store() -> cpu_policy_rwsem -> cpufreq_governor_dbs() -> work

I can't find any commit which matches
7ccc7608b836e58fbacf65ee4f8eefa288e86fac

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