Message-ID: <4F693F31.6030309@linux.vnet.ibm.com>
Date:	Wed, 21 Mar 2012 08:08:41 +0530
From:	Deepthi Dharwar <deepthi@...ux.vnet.ibm.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Amit Kucheria <amit.kucheria@...aro.org>,
	Kevin Hilman <khilman@...com>,
	Arnd Bergmann <arnd.bergmann@...aro.org>,
	Robert Lee <rob.lee@...aro.org>, len.brown@...el.com,
	akpm@...ux-foundation.org, robherring2@...il.com,
	Baohua.Song@....com, nicolas.ferre@...el.com, linux@...im.org.za,
	kgene.kim@...sung.com, amit.kachhap@...aro.org,
	magnus.damm@...il.com, nsekhar@...com, daniel.lezcano@...aro.org,
	mturquette@...aro.org, vincent.guittot@...aro.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linaro-dev@...ts.linaro.org, patches@...aro.org,
	broonie@...nsource.wolfsonmicro.com, nicolas.pitre@...aro.org,
	linux@....linux.org.uk, jean.pihet@...oldbits.com,
	venki@...gle.com, ccross@...gle.com, g.trinabh@...il.com,
	kernel@...tstofly.org, lethal@...ux-sh.org, jon-hunter@...com,
	tony@...mide.com, linux-omap@...r.kernel.org,
	linux-sh@...r.kernel.org, linux-pm@...r.kernel.org,
	Arjan van de Ven <arjan@...radead.org>,
	Len Brown <lenb@...nel.org>
Subject: Re: [PATCH v8 0/8] Consolidate cpuidle functionality

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@...com> wrote:
>>> Arnd Bergmann <arnd.bergmann@...aro.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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