Re: [PATCH v3 1/2] cpufreq: Don't destroy/realloc policy/sysfs on hotplug/suspend

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 17 July 2014 01:26, Saravana Kannan <skannan@xxxxxxxxxxxxxx> wrote:
> On 07/16/2014 04:16 AM, Srivatsa S. Bhat wrote:

>> That is, we wanted
>> to do the kobject cleanup after releasing the hotplug lock, and POST_DEAD
>> stage was well-suited for that.

I think, this has changed in Saravana's patch, we do it in the PREPARE stage
now.

>> Commit 1aee40ac9c8 (cpufreq: Invoke __cpufreq_remove_dev_finish() after
>> releasing cpu_hotplug.lock) explains this in detail. Saravana, please take
>> a
>> look at that reasoning and ensure that your patch doesn't re-introduce
>> those
>> deadlock possibilities!
>
>
> But all of that was needed _because_ we were creating and destroying
> policies and kobjs all the time. We don't do that anymore. So, I don't think
> any of that applies. We only destroy when the cpufreq driver is
> unregistered. That's kinda of the point of this patchset.
>
> Thoughts?

See above.
--
To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [Linux for Sparc]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux