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

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Message-ID: <20200924103448.GO27174@8bytes.org>
Date:   Thu, 24 Sep 2020 12:34:48 +0200
From:   Joerg Roedel <joro@...tes.org>
To:     Suravee Suthikulpanit <suravee.suthikulpanit@....com>
Cc:     linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org
Subject: Re: [PATCH 00/13] iommu: amd: Add Generic IO Page Table Framework
 Support

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?

Regards,

	Joerg