Re: [PATCH 00/13] iommu: amd: Add Generic IO Page Table Framework Support

From: Suravee Suthikulpanit
Date: Thu Sep 24 2020 - 06:50:50 EST




On 9/24/20 5:34 PM, Joerg Roedel wrote:
Hi Suravee,

On Wed, Sep 23, 2020 at 10:14:29AM +0000, Suravee Suthikulpanit wrote:
The framework allows callable implementation of IO page table.
This allows AMD IOMMU driver to switch between different types
of AMD IOMMU page tables (e.g. v1 vs. v2).

Is there a reason you created your own framework, there is already an
io-pgtable framework for ARM, maybe that can be reused?


Actually, this is the same framework used by ARM codes.
Sorry if the description is not clear.

Suravee