linux-kernel - Re: [PATCH V2 5/7] cpufreq: Merge cpufreq_offline

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Message-ID: <56B26154.9010000@codeaurora.org>
Date:	Wed, 03 Feb 2016 12:21:40 -0800
From:	Saravana Kannan <skannan@...eaurora.org>
To:	Viresh Kumar <viresh.kumar@...aro.org>
CC:	Rafael Wysocki <rjw@...ysocki.net>, juri.lelli@....com,
	linaro-kernel@...ts.linaro.org, linux-pm@...r.kernel.org,
	peterz@...radead.org, mturquette@...libre.com,
	steve.muckle@...aro.org, vincent.guittot@...aro.org,
	morten.rasmussen@....com, dietmar.eggemann@....com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 5/7] cpufreq: Merge cpufreq_offline_prepare/finish
 routines

On 02/03/2016 06:02 AM, Viresh Kumar wrote:
> The offline routine was separated into two halves earlier by
> 'commit 1aee40ac9c86 ("cpufreq: Invoke __cpufreq_remove_dev_finish()
> after releasing cpu_hotplug.lock");.
>
> And the reasons cited were, race issues between accessing policy's sysfs
> files and policy kobject's cleanup.
>
> That race isn't valid anymore, as we don't remove the policy & its
> kobject completely on hotplugs, but do that from ->remove() callback of
> subsys framework.
>
> These two routines can be merged back now.
>
> This is a preparatory step for the next patch, that will enforce
> policy->rwsem lock around __cpufreq_governor() routines STOP/EXIT
> sequence.

Is this stale text? Seems like this is now done in the *previous* patch?

-Saravana


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