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From: ethan zhao <ethan.zhao@oracle.com>
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>
Subject: Re: [PATCH Resend] cpufreq: Set cpufreq_cpu_data to NULL before putting kobject
Date: Mon, 09 Mar 2015 12:14:05 +0800	[thread overview]
Message-ID: <54FD1E0D.8020406@oracle.com> (raw)
In-Reply-To: <CAKohponwTNuSpt_i2V=i5ZgfVrNgaFwo17AUFX=CT=pcEwoDVw@mail.gmail.com>


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

WARNING: multiple messages have this Message-ID (diff)
From: ethan zhao <ethan.zhao@oracle.com>
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>
Subject: Re: [PATCH Resend] cpufreq: Set cpufreq_cpu_data to NULL before putting kobject
Date: Mon, 09 Mar 2015 12:14:05 +0800	[thread overview]
Message-ID: <54FD1E0D.8020406@oracle.com> (raw)
In-Reply-To: <CAKohponwTNuSpt_i2V=i5ZgfVrNgaFwo17AUFX=CT=pcEwoDVw@mail.gmail.com>


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



  reply	other threads:[~2015-03-09  4:14 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-31  0:32 [PATCH Resend] cpufreq: Set cpufreq_cpu_data to NULL before putting kobject Viresh Kumar
2015-01-31  2:14 ` Viresh Kumar
2015-02-02  3:20 ` ethan zhao
2015-02-02  3:24   ` Viresh Kumar
2015-02-02  3:38     ` ethan zhao
2015-02-02  3:43       ` Viresh Kumar
2015-02-02  3:56         ` ethan zhao
2015-02-02  3:59           ` Viresh Kumar
2015-02-02  4:06             ` ethan zhao
2015-02-02  4:09               ` Viresh Kumar
2015-02-02  4:16                 ` ethan zhao
2015-02-02  4:26                   ` Viresh Kumar
2015-02-02  4:45                     ` ethan zhao
2015-02-02  4:54                       ` Viresh Kumar
2015-02-02 15:04                         ` ethan zhao
2015-02-25  3:24                           ` Ethan Zhao
2015-02-25  4:35                             ` viresh kumar
2015-02-25  5:47                               ` Ethan Zhao
2015-02-25 16:31                                 ` santosh shilimkar
2015-02-25 16:31                                   ` santosh shilimkar
2015-03-09  1:34                                   ` Ethan Zhao
2015-03-09  4:06                                     ` Viresh Kumar
2015-03-09  4:14                                       ` ethan zhao [this message]
2015-03-09  4:14                                         ` ethan zhao

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