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SubjectRe: [RFC 0/4] Virtio uses DMA API for all devices
On Sat, 2018-08-04 at 01:15 -0700, Christoph Hellwig wrote:
> b) a way to document in a virtio-related spec how the bus handles
> dma for Ben's totally fucked up hypervisor. Without that there
> is not way we'll get interoperable implementations.

Christoph, this isn't a totally fucked up hypervisor. It's not even
about the hypervisor itself, I mean seriously, man, can you at least
bother reading what I described is going on with the security
architecture ?

Anyway, Michael is onto what could possibly be an alternative approach,
by having us tell qemu to flip to iommu mode at secure VM boot time.
Let's see where that leads.


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