Re: [Xen-devel] Intel VT-d/Neocleus 1:1 mreged code for PCI passthrough

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 01/09/2009 10:41, "Jun Koi" <junkoi2004@xxxxxxxxx> wrote:

> On Sun, Aug 30, 2009 at 4:50 PM, Keir Fraser<keir.fraser@xxxxxxxxxxxxx> wrote:
>> For passthrough to HVM guests without hardware IOMMU (e.g., VT-d), I
>> developed the attached prototype patch. I think this may already be in the
>> XCI tree. It also applies directly to Xen 3.4 branch, and could be applied
>> quite easily with a small amount of manual intervention to xen-unstable. If
>> passthough on 'old' system without hardware assistance is what you're after,
>> you might want to give the patch a go.
> 
> Could you confirm that this patch alone is enough?
> 
> I applied the patch against unstable code, and Xen hang up (or seems
> to hang up) in the middle of booting up Xen, with a black screen.

The patch may need a bit more tweaking for -unstable. Let me give it a go.

 -- Keir



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