[PATCH 05/33] ACPI / PPTT: Add a helper to fill a cpumask from a cache_id
Fenghua Yu
fenghuay at nvidia.com
Wed Nov 12 12:26:25 PST 2025
On 11/7/25 04:34, Ben Horgan 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>
> Signed-off-by: James Morse <james.morse at arm.com>
> Signed-off-by: Ben Horgan <ben.horgan at arm.com>
Reviewed-by: Fenghua Yu <fenghuay at nvidia.com>
Tested-by: Fenghua Yu <fenghuay at nvidia.com>
Thanks.
-Fenghua
More information about the linux-arm-kernel
mailing list