[PATCH v5 05/34] ACPI / PPTT: Add a helper to fill a cpumask from a cache_id

[Jonathan Cameron]

On Mon, 17 Nov 2025 16:59:44 +0000
Ben Horgan <ben.horgan at arm.com> wrote:

> From: James Morse <james.morse at arm.com>
> 
> MPAM identifies CPUs by the cache_id in the PPTT cache structure.
> 
> The driver needs to know which CPUs are associated with the cache.
> The CPUs may not all be online, so cacheinfo does not have the
> information.
> 
> Add a helper to pull this information out of the PPTT.
> 
> CC: Rohit Mathew <Rohit.Mathew at arm.com>
> Reviewed-by: Gavin Shan <gshan at redhat.com>
> Reviewed-by: Fenghua Yu <fenghuay at nvidia.com>
> Tested-by: Fenghua Yu <fenghuay at nvidia.com>
> Tested-by: Carl Worth <carl at os.amperecomputing.com>
> Tested-by: Gavin Shan <gshan at redhat.com>
> Tested-by: Zeng Heng <zengheng4 at huawei.com>
> Tested-by: Shaopeng Tan <tan.shaopeng at jp.fujitsu.com>
> Signed-off-by: James Morse <james.morse at arm.com>
> Signed-off-by: Ben Horgan <ben.horgan at arm.com>

Reviewed-by: Jonathan Cameron <jonathan.cameron at huawei.com>