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Re: [Qemu-devel] [RFC] virtio-mmio: implement modern (v2) personality (v
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From: |
Michael S. Tsirkin |
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Subject: |
Re: [Qemu-devel] [RFC] virtio-mmio: implement modern (v2) personality (virtio-1) |
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Date: |
Thu, 1 Aug 2019 15:45:33 -0400 |
On Thu, Aug 01, 2019 at 01:58:35AM +0200, Paolo Bonzini wrote:
> On 30/07/19 18:06, Laszlo Ersek wrote:
> > On 07/29/19 14:57, Sergio Lopez wrote:
> >> Implement the modern (v2) personality, according to the VirtIO 1.0
> >> specification.
> >>
> >> Support for v2 among guests is not as widespread as it'd be
> >> desirable. While the Linux driver has had it for a while, support is
> >> missing, at least, from Tianocore EDK II, NetBSD and FreeBSD.
> >
> > That's right; not only are there no plans to implement virtio-mmio/1.0
> > for OVMF (to my knowledge), I'd even argue against such efforts.
> >
> > OVMF is a heavy-weight guest firmware, which I see entirely out of scope
> > for "micro VMs". And so virtio-mmio/1.0 would seem like a needless &
> > unwelcome complication, from the OVMF maintainership perspective.
>
> But given that, why not rip out virtio-mmio completely?
>
> Paolo
>From OVMF?
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