linux-kernel - Re: [PATCH] cpufreq: Set policy to non-NULL only after all hotplug online work is done

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Message-ID: <CAKohpomRqboKjHRF8ev9erJ6MdRWcsX2jO7A=g47gMmewm_ZiQ@mail.gmail.com>
Date:	Mon, 24 Feb 2014 14:13:22 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Saravana Kannan <skannan@...eaurora.org>
Cc:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-arm-msm@...r.kernel.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] cpufreq: Set policy to non-NULL only after all hotplug
 online work is done

On 24 February 2014 14:11,  <skannan@...eaurora.org> wrote:
> I just replied to the other email. I think I answered both your questions
> there. Sorry about mixing up CPU and policy. In my case, each CPU is
> independently scalable -- so for now take CPU == policy. I'll fix it up
> once we agree on the fix.

But why do you say this then?

>>> In this specific case, CPU0 set's CPU1's policy->governor in
>>> cpufreq_init_policy() to NULL while CPU1 is using the policy->governor
>>> in __cpufreq_governor().
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