linux-kernel - Re: [PATCH v5 00/11] drivers: cacheinfo support

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Message-ID: <545D2043.1080703@arm.com>
Date:	Fri, 07 Nov 2014 19:40:51 +0000
From:	Sudeep Holla <sudeep.holla@....com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:	Sudeep Holla <sudeep.holla@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>
Subject: Re: [PATCH v5 00/11] drivers: cacheinfo support



On 07/11/14 19:23, Greg Kroah-Hartman wrote:
> On Tue, Oct 21, 2014 at 10:26:05AM +0100, Sudeep Holla wrote:
>> Hi Greg,
>>
>> On 20/10/14 19:49, Greg Kroah-Hartman wrote:
>>> On Mon, Oct 20, 2014 at 07:46:19PM +0100, Sudeep Holla wrote:
>>>> Hi Greg,
>>>>
>>>> On 30/09/14 14:48, Sudeep Holla wrote:
>>>>> This series adds a generic cacheinfo support similar to topology. The
>>>>> implementation is based on x86 cacheinfo support. Currently x86, powerpc,
>>>>> ia64 and s390 have their own implementations. While adding similar support
>>>>> to ARM and ARM64, here is the attempt to make it generic quite similar to
>>>>> topology info support. It also adds the missing ABI documentation for
>>>>> the cacheinfo sysfs which is already being used.
>>>>>
>>>>> It moves all the existing different implementations on x86, ia64, powerpc
>>>>> and s390 to use the generic cacheinfo infrastructure introduced here.
>>>>> These changes on non-ARM platforms are only compile tested and tested on x86.
>>>>>
>>>>> This series also adds support for ARM and ARM64 architectures based on
>>>>> the generic support.
>>>>>
>>>>> The code can be fetched from:
>>>>>   git://linux-arm.org/linux-skn cacheinfo
>>>>>
>>>>
>>>> I am hoping to target this for v3.19 if possible, it would be good if
>>>> you can review and provide feedback.
>>>
>>> 3.18-rc1 just came out a few _hours_ ago, and now we can start worrying
>>> about what goes into 3.19.  I have 1257 emails in my "to-review" queue
>>> for 3.19, please give me a chance to catch up in a few weeks to get to
>>> this code.
>>>
>>
>> I completely understand and I am sorry if that was a noise.
>> I just wanted to ensure it's not lost, thanks for letting me know it's
>> in your list.
>
> Do you want me to take this through my tree?  If so, I will, otherwise,
> feel free to add:

I have not got it tested on AMD, IA64 and PPC. Probably they were
waiting for the core driver to settle down. I have only tested on
ARM{32,64} and x86. Heiko Carstens tested on s390 long back some
previous version.

If it fine with you, I would like to break the first 4 patches and
target it for v3.19, and take up the arch-specific patches (i.e.5-11)
after that, so that I can get them tested on all architectures.

>
> Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
>
> to the series.

Thanks, I will rebase on v3.18-rc4 and repost first 4 patches  on Monday 
which you can take it through your tree *iff you agree with me* on above 
flow.

Regards,
Sudeep

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