Re: [Qemu-devel] [V6 0/4] AMD IOMMU

[Jan Kiszka]

On 2016-03-01 14:48, Jan Kiszka wrote:
> There is likely no way around write-protecting the IOMMU page tables (in
> KVM mode) once we evaluated and cached them somewhere.

I mean, when in kvm mode AND having something that caches enabled, of
course.

Besides vfio, we also still have the question how to deal with virtio
and DMA remapping, which is probably similarly complicated when some
vhost technology is involved.

Jan

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