On Thu, Mar 13, 2025 at 02:09:07PM +0800, Yuquan Wang wrote: > @@ -441,6 +441,11 @@ static int __init acpi_parse_cfmws(union acpi_subtable_headers *header, > start = cfmws->base_hpa; > end = cfmws->base_hpa + cfmws->window_size; > > + if (srat_disabled()) { > + pr_err("SRAT is missing or bad while processing CFMWS.\n"); > + return -EINVAL; > + } > + I thought the srat was optional regardless of the presence of a CFMWS. Is this not the case? ~Gregory