Re: [PATCH v2] cxl: Adjust extended linear cache failure emission in cxl_acpi

[Alison Schofield <alison.schofield@intel.com>]

On Fri, Oct 03, 2025 at 11:55:09AM -0700, Dave Jiang wrote:
> The cxl_acpi module spams "Extended linear cache calculation failed"
> when the hmat memory target is not found for a node. This is normal
> when the memory target does not contain extended linear cache
> attributes. Adjust cxl_acpi_set_cache_size() to just return 0 if error
> is returned from hmat_get_extended_linear_cache_size(). That is the
> only error returned from hmat_get_extended_linear_cache_size() as
> -ENOENT.
> 
> Also remove the check for -EOPNOTSUPP in cxl_setup_extended_linear_cache()
> since that errno is never returned by cxl_acpi_set_cache_size().


WFM in cxl-test module. Messages like these are gone:
cxl root0: Extended linear cache calculation failed rc:-2

I'll second Jonathan's logic flip suggestion, and with that,
Reviewed-by: Alison Schofield <alison.schofield@intel.com>

> 
> Suggeted-by: Dan Williams <dan.j.williams@intel.com>
> Signed-off-by: Dave Jiang <dave.jiang@intel.com>
>