Re: [PATCH v5 27/34] arm_mpam: Track bandwidth counter state for power management

[Fenghua Yu]

On 11/17/25 09:00, Ben Horgan wrote:
> From: James Morse <james.morse@xxxxxxx>
>
> Bandwidth counters need to run continuously to correctly reflect the
> bandwidth.
>
> Save the counter state when the hardware is reset due to CPU hotplug.
> Add struct mbwu_state to track the bandwidth counter. Support for
> tracking overflow with the same structure will be added in a
> subsequent commit.
>
> Cc: Zeng Heng <zengheng4@xxxxxxxxxx>
> Reviewed-by: Gavin Shan <gshan@xxxxxxxxxx>
> Reviewed-by: Zeng Heng <zengheng4@xxxxxxxxxx>
> Reviewed-by: Jonathan Cameron <jonathan.cameron@xxxxxxxxxx>
> Tested-by: Carl Worth <carl@xxxxxxxxxxxxxxxxxxxxxx>
> Tested-by: Gavin Shan <gshan@xxxxxxxxxx>
> Tested-by: Zeng Heng <zengheng4@xxxxxxxxxx>
> Tested-by: Shaopeng Tan <tan.shaopeng@xxxxxxxxxxxxxx>
> Signed-off-by: James Morse <james.morse@xxxxxxx>
> Signed-off-by: Ben Horgan <ben.horgan@xxxxxxx>

Reviewed-by: Fenghua Yu <fenghuay@xxxxxxxxxx>

Thanks.

-Fenghua