linux-kernel - Re: [PATCH v2] EDAC/{i10nm,skx,skx

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Message-ID: <Z1yI6pEkamCOx7U9@agluck-desk3>
Date: Fri, 13 Dec 2024 11:20:10 -0800
From: "Luck, Tony" <tony.luck@...el.com>
To: Kyle Meyer <kyle.meyer@....com>
Cc: bp@...en8.de, james.morse@....com, mchehab@...nel.org, rric@...nel.org,
	qiuxu.zhuo@...el.com, linux-edac@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] EDAC/{i10nm,skx,skx_common}: Support UV systems

On Thu, Dec 12, 2024 at 07:25:49PM -0600, Kyle Meyer wrote:
> The 3-bit source IDs in PCI configuration space registers, used to map
> devices to sockets, are limited to 8 unique IDs, and each ID is local to
> a UPI/QPI domain.
> 
> Source IDs cannot be used to map devices to sockets on UV systems
> because they can exceed 8 sockets and have multiple UPI/QPI domains with
> identical, repeating source IDs.
> 
> Use NUMA information to get package IDs instead of source IDs on UV
> systems, and use package/source IDs to name IMC information structures.
> 
> Signed-off-by: Kyle Meyer <kyle.meyer@....com>

Applied to RAS tree for v6.14 merge.

Thanks

-Tony