linux-kernel - Re: cpufreq_stats NULL deref on second system suspend

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Message-ID: <CAKohponrmV4CFqicEw7tf0g47VNcVY=4mmcH1CnGX388iFYb=g@mail.gmail.com>
Date:	Thu, 12 Sep 2013 12:22:49 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Stephen Warren <swarren@...dotorg.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	cpufreq <cpufreq@...r.kernel.org>
Subject: Re: cpufreq_stats NULL deref on second system suspend

On 12 September 2013 12:16, Srivatsa S. Bhat
<srivatsa.bhat@...ux.vnet.ibm.com> wrote:
> Of course, if we change the suspend/resume sequence and that fixes this, that
> would be like getting it for free, nobody would say no to it ;-)

Not really :)

Policy with 4 CPUs, 0,1,2,3, policy->cpu currently set to 1, 2 or 3...

We will remove CPUs in order 3,2,1 and add back in 1,2,3... Or Vice Versa

policy->cpu after resume is 0 :)
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