Re: [Qemu-devel] [PULL 00/28] Misc patches for 2016-09-26

[Peter Xu]

On Tue, Sep 27, 2016 at 06:11:59AM -0400, Paolo Bonzini wrote:
> 
> > I think we should keep it as it is, because Jason's patchset will only
> > support intel-iommu, not amd-iommu. For now, it won't have problem
> > (just like Intel IOMMU one). But after Jason's patch is merged, people
> > will be able to boot a guest with vhost and amd-iommu (which we
> > actually do not support yet), and that might be problematic.
> 
> Let's fix Jason's patch instead. :)

Then I think Jason will need to add vhost DMAR support for AMD as
well, which I believe is not in his current plan. :)

Anyway, I think we can do it either way. I can hardly believe if
someone will like to run vhost with AMD IOMMU. So IMHO it's not a big
thing for all cases.

Thanks,

-- peterx