Re: [Xen-devel] Question about swiotlb-xen driver

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2013-12-03 at 16:28 +0200, Andrii Tseglytskyi wrote:
> Hi Ian,
> 
> Thank you for your answer
> 
> On Tue, Dec 3, 2013 at 4:18 PM, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> > On Tue, 2013-12-03 at 16:11 +0200, Andrii Tseglytskyi wrote:
> >> Hi Stefano,
> >>
> >>
> >> Could you please answer, is swiotlb-xen driver designed to work on
> >> DomU kernel?
> >
> > No. DomU device assignment will require an IOMMU I'm afraid.
> >
> 
> Do you mean IOMMU support in Xen?

Yes
>  I found this as open item on the
> following page -> http://wiki.xenproject.org/wiki/Xen_ARM_TODO

Correct. We do not yet support device passthrough. When it we do it will
be with a requirement for an IOMMU.

Ian.



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