Re: [PATCH v2] EDAC/{i10nm,skx,skx_common}: Support UV systems
From: Luck, Tony
Date: Fri Dec 13 2024 - 14:20:24 EST
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@xxxxxxx>
Applied to RAS tree for v6.14 merge.
Thanks
-Tony