From mboxrd@z Thu Jan  1 00:00:00 1970
From: ethan zhao <ethan.zhao@oracle.com>
Subject: Re: [PATCH Resend] cpufreq: Set cpufreq_cpu_data to NULL before putting
 kobject
Date: Mon, 09 Mar 2015 12:14:05 +0800
Message-ID: <54FD1E0D.8020406@oracle.com>
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To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Ethan Zhao <ethan.kernel@gmail.com>, santosh shilimkar <santosh.shilimkar@oracle.com>, Rafael Wysocki <rjw@rjwysocki.net>, Linaro Kernel Mailman List <linaro-kernel@lists.linaro.org>, "linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>, linux-kernel <linux-kernel@vger.kernel.org>, guangyu.sun@oracle.com, "sriharsha.devdas@oracle.com" <sriharsha.devdas@oracle.com>
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On 2015/3/9 12:06, Viresh Kumar wrote:
> On 9 March 2015 at 07:04, Ethan Zhao <ethan.kernel@gmail.com> wrote:
>> Viresh,
>>      Got that box and did some debug, found the policy->kobj is not initialized.
>> So the race happened between cpufreq_cpu_get() and
>> __cpufreq_add_dev(), and verified 'this' race could be fixed by commit
>>
>> 6d4e81e cpufreq: Ref the policy object sooner
>>
>>      I have reboot the box with crond for more than 12 hours, no warning found.
> Oh, great. Thanks for your work Ethan. You want this to be pushed for 3.18
> stable kernel, right? I will see what I can do.
  Of course we are happy to see it in 3.18 branch.

  Thanks,
  Ethan