On Fri, Jun 03, 2022 at 04:51:00PM +0530, Vasant Hegde wrote:
> - Part 1 (patch 1-4 and 6)
>   Refactor the current IOMMU page table code to adopt the generic IO page
>   table framework, and add AMD IOMMU Guest (v2) page table management code.
> - Part 2 (patch 5)
>   Add support for the AMD IOMMU Guest IO Protection feature (GIOV)
>   where requests from the I/O device without a PASID are treated as
>   if they have PASID of 0.
> - Part 3 (patch 7)
>   Introduce new "amd_iommu_pgtable" command-line to allow users
>   to select the mode of operation (v1 or v2).

Something I didn't get entirely from the review is support level of the
amd_iommu_v2 driver. I think it will continue to work and the
requirement that the device identity maps DMA requests without PASID is
removed, right?


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