linux-kernel - Re: [RFC PATCH 02/19] cpufreq: merge governor lock and mutex

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Message-ID: <20160112090024.GS1084@ubuntu>
Date:	Tue, 12 Jan 2016 14:30:24 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Juri Lelli <juri.lelli@....com>
Cc:	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	peterz@...radead.org, rjw@...ysocki.net, mturquette@...libre.com,
	steve.muckle@...aro.org, vincent.guittot@...aro.org,
	morten.rasmussen@....com, dietmar.eggemann@....com
Subject: Re: [RFC PATCH 02/19] cpufreq: merge governor lock and mutex

On 11-01-16, 17:35, Juri Lelli wrote:
> From: Michael Turquette <mturquette@...libre.com>
> 
> 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" <rjw@...ysocki.net>
> Cc: Viresh Kumar <viresh.kumar@...aro.org>
> Signed-off-by: Michael Turquette <mturquette@...libre.com>
> ---
>  drivers/cpufreq/cpufreq.c | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)


Acked-by: Viresh Kumar <viresh.kumar@...aro.org>

-- 
viresh