Re: [PATCH v2] ACPI: NUMA: Only parse CFMWS at boot when CXL_ACPI is on

[Gregory Price]

On Mon, Mar 09, 2026 at 11:23:13AM +1300, Kai Huang wrote:
> On CXL platforms, the Static Resource Affinity Table (SRAT) may not
> cover memory affinity information for all the CXL memory regions.  Since
> each CXL memory region is enumerated via a CXL Fixed Memory Window
> Structure (CFMWS), during early boot the kernel parses the CFMWS tables
> to find all CXL memory regions and sets a NUMA node for each of them.
> This memory affinity information of CXL memory regions is later used by
> the CXL ACPI driver.
> 
... snip ...
> 
> Signed-off-by: Kai Huang <kai.huang@xxxxxxxxx>

lgtm

Reviewed-by: Gregory Price <gourry@xxxxxxxxxx>