ACPI: NUMA: Add CXL CFMWS 'nodes' to the possible nodes set
commit24f0692bfd
upstream. The ACPI CEDT.CFMWS indicates a range of possible address where new CXL regions can appear. Each range is associated with a QTG id (QoS Throttling Group id). For each range + QTG pair that is not covered by a proximity domain in the SRAT, Linux creates a new NUMA node. However, the commit that added the new ranges missed updating the node_possible mask which causes memory_group_register() to fail. Add the new nodes to the nodes_possible mask. Cc: <stable@vger.kernel.org> Fixes:fd49f99c18
("ACPI: NUMA: Add a node and memblk for each CFMWS not in SRAT") Cc: Alison Schofield <alison.schofield@intel.com> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reported-by: Vishal Verma <vishal.l.verma@intel.com> Tested-by: Vishal Verma <vishal.l.verma@intel.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Vishal Verma <vishal.l.verma@intel.com> Link: https://lore.kernel.org/r/166631003537.1167078.9373680312035292395.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -327,6 +327,7 @@ static int __init acpi_parse_cfmws(union acpi_subtable_headers *header,
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pr_warn("ACPI NUMA: Failed to add memblk for CFMWS node %d [mem %#llx-%#llx]\n",
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node, start, end);
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}
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node_set(node, numa_nodes_parsed);
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/* Set the next available fake_pxm value */
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(*fake_pxm)++;
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