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

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Message-ID: <571EFD1B.1070609@linaro.org>
Date:	Tue, 26 Apr 2016 13:31:07 +0800
From:	Hanjun Guo <hanjun.guo@...aro.org>
To:	David Daney <ddaney@...iumnetworks.com>,
	Will Deacon <will.deacon@....com>
Cc:	David Daney <ddaney.cavm@...il.com>,
	linux-arm-kernel@...ts.infradead.org,
	Mark Rutland <mark.rutland@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Tony Luck <tony.luck@...el.com>,
	Fenghua Yu <fenghua.yu@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <lenb@...nel.org>, Rob Herring <robh+dt@...nel.org>,
	Frank Rowand <frowand.list@...il.com>,
	Grant Likely <grant.likely@...aro.org>,
	Robert Moore <robert.moore@...el.com>,
	Lv Zheng <lv.zheng@...el.com>,
	Marc Zyngier <Marc.Zyngier@....com>,
	linux-ia64@...r.kernel.org, linux-acpi@...r.kernel.org,
	devel@...ica.org, linux-kernel@...r.kernel.org,
	Robert Richter <rrichter@...ium.com>,
	David Daney <david.daney@...ium.com>
Subject: Re: [PATCH v5 00/14] ACPI NUMA support for ARM64

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@...ium.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