Subject: Re: [PATCH 28/33] arm_mpam: Consider overflow in bandwidth counter state

From: Jonathan Cameron <[email-masked]>
Date: Mon, 10 Nov 2025 17:32:59 +0000

On Fri, 7 Nov 2025 12:34:45 +0000
Ben Horgan <[email-masked]> 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 <[email-masked]>
> Signed-off-by: Ben Horgan <[email-masked]>

Reviewed-by: Jonathan Cameron <[email-masked]>