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Re: [Xen-devel] [Patch 0/3] Move vtd and amd iommu code

To: "Han, Weidong" <weidong.han@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [Patch 0/3] Move vtd and amd iommu code
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Wed, 20 Feb 2008 17:36:25 +0000
Cc: "Kay, Allen M" <allen.m.kay@xxxxxxxxx>
Delivery-date: Wed, 20 Feb 2008 09:37:38 -0800
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On 20/2/08 05:40, "Han, Weidong" <weidong.han@xxxxxxxxx> wrote:

> This patch set moves vtd and amd iommu code to xen/drivers/passthrough.
> It's a suitable place for iommu code for sharing code between different
> platforms in future.

Yes, but the code is currently a mix of architecture-specific and
plausibly-generic. I don't think a wholesale copying of the code into
drivers/passthrough/ is the way to go -- you'll ending up needing to ifdef
in a bunch of places, or move fragments of code back again to arch/x86/.

Do you actually have a demonstrable merge of vt-d for ia64 yet?

 -- Keir

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