Re: [PATCH] EDAC/{i10nm,skx,skx_common}: Support multiple clumps

Bjorn Helgaas
2024-12-10T16:37:35Z

On Fri, Dec 06, 2024 at 10:09:23PM +0000, Luck, Tony wrote:
> What we need here is a function that maps from a PCIe device to a CPU socket.
>
> Has this problem been encountered before? Is there an existing solution?

There's nothing in PCI itself that connects a device to a CPU. It
sounds like something that might fit with an ACPI NUMA description,
e.g., if a CPU and a PCI host bridge had the same ACPI _PXM value, you
could conclude that the devices below the host bridge are close to the
CPU.

Bjorn