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Re: [Xen-devel] [PATCH 0 of 6 V6] amd iommu: support ats/gpgpu passthru on iommuv2 systems

To: Wei Wang <wei.wang2@xxxxxxx>
From: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Date: Wed, 14 Mar 2012 14:09:12 +0000
Cc: "Keir \(Xen.org\)" <keir@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, "JBeulich@xxxxxxxx" <JBeulich@xxxxxxxx>
Delivery-date: Wed, 14 Mar 2012 14:09:30 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Thu, 2012-03-08 at 13:21 +0000, Wei Wang wrote:
> Hi,
> This is patch set v6. It includes all pending patches that are needed to 
> enable gpgpu passthrough 

I'm curious, is any of this actually specific to GPGPU passthrough or is
it just that GPGPU passthrough happens to be the main (only?) reason you
would want to expose a virtualised IOMMU to the guest OS? Are there any
other use cases?

Ian.

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  - From: Wei Wang

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