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SubjectRE: [PATCH v2 00/10] Add IO page table replacement support
Date
> From: Nicolin Chen <nicolinc@nvidia.com>
> Sent: Wednesday, February 8, 2023 5:18 AM
>
> QEMU with this feature should have the vIOMMU maintain a cache of the
> guest io page table addresses and assign a unique IOAS to each unique
> guest page table.
>

I still didn't see a clear reply why above is required. Please elaborate.

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