From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756291AbZEJSMM (ORCPT ); Sun, 10 May 2009 14:12:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753782AbZEJSL4 (ORCPT ); Sun, 10 May 2009 14:11:56 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:35510 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752953AbZEJSL4 (ORCPT ); Sun, 10 May 2009 14:11:56 -0400 Date: Sun, 10 May 2009 11:04:28 -0700 From: Andrew Morton To: KOSAKI Motohiro Cc: LKML , Mathieu Desnoyers , Greg KH , Ingo Molnar , "Rafael J. Wysocki" , Ben Slusky , Dave Jones , Chris Wright Subject: Re: lockdep warnings: cpufreq ondemand gorvernor possibly circular locking Message-Id: <20090510110428.8c55aab1.akpm@linux-foundation.org> In-Reply-To: <2f11576a0905100822y5507a9f7m6f9aa0fcc05ac18@mail.gmail.com> References: <2f11576a0905100822y5507a9f7m6f9aa0fcc05ac18@mail.gmail.com> X-Mailer: Sylpheed 2.4.8 (GTK+ 2.12.5; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 11 May 2009 00:22:26 +0900 KOSAKI Motohiro 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