Re: [PATCH v2 2/2] Intel-IOMMU, intr-remap: source-id checking

From: Joerg Roedel
Date: Wed May 20 2009 - 05:44:00 EST


On Wed, May 20, 2009 at 10:21:14AM +0200, Ingo Molnar wrote:
>
> * Eric W. Biederman <ebiederm@xxxxxxxxxxxx> wrote:
> > Being a major nitpick, I have to point out that the code is not
> > structured to support other iommus, and I think AMD has one that
> > can do this as well.
>
> (Joerg Cc:-ed)

The AMD IOMMU does also have an interrupt remapping feature. But it is
currently unsupported in the Linux driver. When this is going to be
implemented I think we can go the same way as for device passthrough in
KVM. This was an Intel-only feature too and was later adapted to support
AMD IOMMU too.

Joerg

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