On Mon, 17 Nov 2025 16:59:44 +0000
Ben Horgan [off-list ref] wrote:

From: James Morse <james.morse@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 <redacted>
Reviewed-by: Gavin Shan <redacted>
Reviewed-by: Fenghua Yu <fenghuay@nvidia.com>
Tested-by: Fenghua Yu <fenghuay@nvidia.com>
Tested-by: Carl Worth <redacted>
Tested-by: Gavin Shan <redacted>
Tested-by: Zeng Heng <redacted>
Tested-by: Shaopeng Tan <redacted>
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Ben Horgan <ben.horgan@arm.com>

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