Re: [PATCH v5 28/34] arm_mpam: Consider overflow in bandwidth counter state

[Fenghua Yu]

On 11/17/25 09:00, Ben Horgan wrote:
> Use the overflow status bit to track overflow on each bandwidth counter
> read and add the counter size to the correction when overflow is detected.
>
> This assumes that only a single overflow has occurred since the last read
> of the counter. Overflow interrupts, on hardware that supports them could
> be used to remove this limitation.
>
> 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>
> Signed-off-by: Ben Horgan <ben.horgan@xxxxxxx>

Reviewed-by: Fenghua Yu <fenghuay@xxxxxxxxxx>

Thanks.

-Fenghua