linux-kernel - Re: [PATCH 2/11] cpufreq: governor: Use common mutex for dbs

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Message-ID: <20160205032444.GC21792@vireshk>
Date:	Fri, 5 Feb 2016 08:54:44 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	"Rafael J. Wysocki" <rafael@...nel.org>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Linux PM list <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Juri Lelli <juri.lelli@....com>,
	Steve Muckle <steve.muckle@...aro.org>,
	Saravana Kannan <skannan@...eaurora.org>
Subject: Re: [PATCH 2/11] cpufreq: governor: Use common mutex for dbs_data
 protection

On 05-02-16, 04:17, Rafael J. Wysocki wrote:
> And don't we switch governors under policy->rwsem anyway?

So ? That is blocking only a single policy only, but with the new
change, we will block all policies from doing that concurrently.

-- 
viresh