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

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Message-ID: <20201001125949.GG30426@8bytes.org>
Date:   Thu, 1 Oct 2020 14:59:49 +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

On Thu, Sep 24, 2020 at 05:50:37PM +0700, Suravee Suthikulpanit wrote:
> 
> 
> 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.

Ah, right, thanks. I think this should spend some time in linux-next
before going upstream. Can you please remind me after the next merge
window to pick it up?

Thanks,

	Joerg