Re: [PATCH v5 00/14] ACPI NUMA support for ARM64

Hanjun Guo
2016-04-26T05:31:22Z

Hi Will, David,

On 2016/4/26 0:47, David Daney wrote:
> On 04/25/2016 04:13 AM, Will Deacon wrote:
>> Hi David,
>>
>> On Tue, Apr 19, 2016 at 06:40:25PM -0700, David Daney wrote:
>>> From: David Daney <david.daney@cavium.com>
>>>
>>> Based on v16 of device-tree NUMA patch set for arm64 [1],this patch
>>> set introduce the ACPI based configuration to provide NUMA
>>> information.
>>>
>>> ACPI 5.1 already introduced NUMA support for ARM64, which can get the
>>> NUMA domain information from SRAT and SLIT table, so parse those two
>>> tables to get mappings from cpu/mem to numa node configuration and
>>> system locality.
>>
>> Whilst I've queued the main NUMA series for arm64, I'd really like to
>> see more movement on the generic header file cleanups that you posted
>> separately:
>>
>> http://lkml.kernel.org/r/1456358528-24213-1-git-send-email-ddaney.cavm@gmail.com
>>
>
> FWIW: Those patches should still apply. I am carrying them in my
> development trees, and have not changed them in any way.
>
>>
>> Given that this ACPI series already requires some significant cross-arch
>> interaction (which is actually good!), perhaps extending the clean-up
>> patches to encompass some of the ACPI bits might make sense, and we can
>> get that queued as a pre-requisite.
>
> The cleanup patches you mention above are really independent of the ACPI
> things. I have applied them both before and after the ACPI patches, and
> both seem to work. With a quick perusal of the ACPI patches nothing
> jumps out at me as being a candidate for inclusion in the header file
> cleanup series.

I agree. My patch set is ACPI related enablement, cleanups and
consolidations, it would be good to merge as a single patch set
as it's self-contained.

Thanks
Hanjun