From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934477AbcALJAa (ORCPT ); Tue, 12 Jan 2016 04:00:30 -0500 Received: from mail-pf0-f180.google.com ([209.85.192.180]:36657 "EHLO mail-pf0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759732AbcALJA2 (ORCPT ); Tue, 12 Jan 2016 04:00:28 -0500 Date: Tue, 12 Jan 2016 14:30:24 +0530 From: Viresh Kumar To: Juri Lelli Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, peterz@infradead.org, rjw@rjwysocki.net, mturquette@baylibre.com, steve.muckle@linaro.org, vincent.guittot@linaro.org, morten.rasmussen@arm.com, dietmar.eggemann@arm.com Subject: Re: [RFC PATCH 02/19] cpufreq: merge governor lock and mutex Message-ID: <20160112090024.GS1084@ubuntu> References: <1452533760-13787-1-git-send-email-juri.lelli@arm.com> <1452533760-13787-3-git-send-email-juri.lelli@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1452533760-13787-3-git-send-email-juri.lelli@arm.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11-01-16, 17:35, Juri Lelli wrote: > From: Michael Turquette > > Commit 95731ebb114c ("cpufreq: Fix governor start/stop race condition") > introduced cpufreq_governor_lock. This was actually overkilling, as the > same can be achieved by using the existing cpufreq_governor_mutex. > Removing cpufreq_governor_lock cleans things up and makes deadlocks less > likely to happen. > > Cc: "Rafael J. Wysocki" > Cc: Viresh Kumar > Signed-off-by: Michael Turquette > --- > drivers/cpufreq/cpufreq.c | 13 ++++++------- > 1 file changed, 6 insertions(+), 7 deletions(-) Acked-by: Viresh Kumar -- viresh