Re: [PATCH Resend] cpufreq: Set cpufreq_cpu_data to NULL before putting kobject

ethan zhao
2015-03-09T04:14:33Z

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