On Tue, May 04, 2021 at 01:52:36AM -0500, Suravee Suthikulpanit wrote:

> 2. Since AMD IOMMU PMU does not support interrupt mode, the logic
>    can be simplified to always start counting with value zero,
>    and accumulate the counter value when stopping without the need
>    to keep track and reprogram the counter with the previously read
>    counter value.

This relies on the hardware counter being the full 64bit wide, is it?
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

Reply via email to