linux-kernel - Re: [PATCH v7 14/15] arm64, acpi, numa: NUMA support based on SRAT and SLIT

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Message-ID: <CADKHWaeyWjagdW-T1GTFRwvXrVUpb3oLaa5qOimhd247Lk5gQg@mail.gmail.com>
Date:	Fri, 27 May 2016 16:04:22 +0800
From:	Dennis Chen <dennis.chen@...aro.org>
To:	David Daney <ddaney.cavm@...il.com>
Cc:	Will Deacon <will.deacon@....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>,
	Hanjun Guo <hanjun.guo@...aro.org>,
	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>,
	Ganapatrao Kulkarni <gkulkarni@...iumnetworks.com>,
	David Daney <david.daney@...ium.com>
Subject: Re: [PATCH v7 14/15] arm64, acpi, numa: NUMA support based on SRAT
 and SLIT

On 25 May 2016 at 06:35, David Daney <ddaney.cavm@...il.com> wrote:
> From: Hanjun Guo <hanjun.guo@...aro.org>
>
> Introduce a new file to hold ACPI based NUMA information parsing from
> SRAT and SLIT.
>
> SRAT includes the CPU ACPI ID to Proximity Domain mappings and memory
> ranges to Proximity Domain mapping.  SLIT has the information of inter
> node distances(relative number for access latency).
>
> Signed-off-by: Hanjun Guo <hanjun.guo@...aro.org>
> Signed-off-by: Ganapatrao Kulkarni <gkulkarni@...iumnetworks.com>
> [rrichter@...ium.com Reworked for numa v10 series ]
> Signed-off-by: Robert Richter <rrichter@...ium.com>
> [david.daney@...ium.com reorderd and combinded with other patches in
> Hanjun Guo's original set, removed get_mpidr_in_madt() and use
> acpi_map_madt_entry() instead.]
> Signed-off-by: David Daney <david.daney@...ium.com>
> ---

I've tested this patch on Juno board with home made SRAT and SLIT
table, so feel free to add:
Tested-by: Dennis Chen <dennis.chen@....com>

-- 
Regards,
Dennis