Re: [PATCH v4 0/5] Simplify hotplug/suspend handling

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

 



Rafael J. Wysocki wrote:
> On Thursday, July 24, 2014 06:07:23 PM Saravana Kannan wrote:
>> Series of patchs to simplify policy/sysfs/kobj/locking handling across
>> suspend/resume
>
> I need someone to review this series for me.  Viresh or Srivatsa,
> preferably
> both.
>
> Thanks!

This took quite a bit of work to get to v4. It's been almost 2 weeks.
Could someone please review this? I'll get pulled into some heavy "work"
work soon. I would really prefer not to let this bit rot and later
abandoned due to lack of time on my part. Would really appreciate some
review folks. Thanks.

Regards,
Saravana

>> The following have been tested so far on a 2x2 cluster environment:
>> - Boot with 2 cpus and no cpufreq driver.
>> - mod probe driver and see cpufreq sysfs files show up only for the 1st
>> cluster.
>> - Online the rest of the 2 CPUs and have files show up correctly.
>> - rmmod the driver and see the files go away.
>> - modprobe again (or back and forth multiples times) and see it work.
>> - suspend/resume works as expected.
>> - When a cluster is offline, all read/writes to its sysfs files return
>> an error
>>
>> v4
>> - Split it up into smaller patches
>> - Will handle physical CPU removal correctly
>> - Fixed earlier mistake of deleting code under !recover_policy
>> - Dropped some code refactor that reuses a lot of code between
>> add/remove
>> - Dropped fix for exiting hotplug race with cpufreq driver probe/rmmod
>> - Dropped changes will come later once this series is acked.
>>
>>
>> Saravana Kannan (5):
>>   cpufreq: Don't wait for CPU to going offline to restart governor
>>   cpufreq: Keep track of which CPU owns the kobj/sysfs nodes separately
>>   cpufreq: Don't destroy/realloc policy/sysfs on hotplug/suspend
>>   cpufreq: Properly handle physical CPU hot-add/hot-remove
>>   cpufreq: Delete dead code related to policy save/restore
>>
>>  drivers/cpufreq/cpufreq.c | 238
>> ++++++++++++++++++----------------------------
>>  include/linux/cpufreq.h   |   1 +
>>  2 files changed, 93 insertions(+), 146 deletions(-)
>>
>>
>
> --
> I speak only for myself.
> Rafael J. Wysocki, Intel Open Source Technology Center.
>


-- 
The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation

--
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