From mboxrd@z Thu Jan 1 00:00:00 1970 From: Viresh Kumar Subject: Re: [RFC PATCH 15/19] cpufreq: remove useless usage of cpufreq_governor_mutex in __cpufreq_governor Date: Wed, 20 Jan 2016 16:00:08 +0530 Message-ID: <20160120103008.GC18097@vireshk> References: <1452533760-13787-1-git-send-email-juri.lelli@arm.com> <1452533760-13787-16-git-send-email-juri.lelli@arm.com> <20160112110658.GG1084@ubuntu> <20160115163031.GU18603@e106622-lin> <20160118055034.GC30762@vireshk> <20160119164941.GI8573@e106622-lin> <20160120072933.GF22443@vireshk> <20160120101724.GM8573@e106622-lin> <20160120101836.GB18097@vireshk> <20160120102712.GP8573@e106622-lin> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20160120102712.GP8573@e106622-lin> Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-pm@vger.kernel.org On 20-01-16, 10:27, Juri Lelli wrote: > That is what I expect as well, but you never know ;). Perhaps not. We are talking about policy->rwsem here being used while reading the values of governor's sysfs files. And that lock is only taken for single governor case. -- viresh