Re: [PATCH v2 19/29] arm_mpam: Use a static key to indicate when mpam is enabled

Fenghua Yu
2025-09-26T02:32:02Z

On 9/10/25 13:42, James Morse wrote:
> Once all the MSC have been probed, the system wide usable number of
> PARTID is known and the configuration arrays can be allocated.
>
> After this point, checking all the MSC have been probed is pointless,
> and the cpuhp callbacks should restore the configuration, instead of
> just resetting the MSC.
>
> Add a static key to enable this behaviour. This will also allow MPAM
> to be disabled in repsonse to an error, and the architecture code to
nit...s/repsonse/response/
> enable/disable the context switch of the MPAM system registers.
>
> Signed-off-by: James Morse <james.morse@arm.com>

Reviewed-by: Fenghua Yu <fenghuay@nvidia.com>

Thanks.

-Fenghua