[PATCH v8 0/8] Consolidate cpuidle functionality

Deepthi Dharwar deepthi at linux.vnet.ibm.com
Wed Mar 21 02:38:41 UTC 2012


On 03/21/2012 05:31 AM, Rafael J. Wysocki wrote:

> On Wednesday, March 21, 2012, Amit Kucheria wrote:
>> On Wed, Mar 21, 2012 at 12:48 AM, Kevin Hilman <khilman at ti.com> wrote:
>>> Arnd Bergmann <arnd.bergmann at linaro.org> writes:
>>>
>>>> On Tuesday 20 March 2012, Robert Lee wrote:
>>>>> This patch series moves various functionality duplicated in platform
>>>>> cpuidle drivers to the core cpuidle driver. Also, the platform irq
>>>>> disabling was removed as it appears that all calls into
>>>>> cpuidle_call_idle will have already called local_irq_disable().
>>>>>
>>>>> These changes have been pulled into linux-next.
>>>>>
>>>>> Len, Andrew, can a request be made for Linus to pull these changes?
>>>>
>>>> FWIW, Len seems to be rather inactive on the kernel mailing list right
>>>> now and generally not very interested in anything outside of x86 and
>>>> acpi. If he doesn't reply in the next few days and Andrew also isn't
>>>> interested in handling these patches, I'd suggest you just send the pull
>>>> request to Linus, with Len on Cc and explain that you tried to send
>>>> them through him but gave up in the end.
>>>
>>> FWIW, I have not had good luck getting response for proposed core
>>> CPUidle changes either:
>>>
>>>        http://lkml.org/lkml/2011/9/19/374
>>>
>>> Maybe it's time that drivers/cpuidle gets a maintainer.  With lots of
>>> discussions of scheduler changes that affect load estimation, I suspect
>>> we're all going to have a bit of CPUidle work to do in the
>>> not-so-distant future.
>>>
>>
>> I don't mean to be piling on to Len here, but Daniel Lezcano too has a
>> bunch of clean ups that didn't get any maintainer review for over two
>> months. He has now refreshed them for 3.3 and is getting ready to send
>> them out again. We (Linaro) expect to be spending a lot of time on
>> cpuidle in the future and would be glad to help review, test and
>> collect patches into a tree for Linus/Andrew to pull while we wait for
>> Len to respond or another maintainer to emerge.
> 
> Well, I discussed that before with Arjan and he said he would maintain
> CPUidle if Len didn't have the time, but it seems he didn't expect that
> there would be a lot of work on it in the near future.
> 
> So, I suggest that if neither Len nor Arjan reappear shortly, people can
> send CPUidle patches to me.
> 
> Thanks,
> Rafael
> 


I'll be glad to assist you in this.

Cheers,
Deepthi




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