Re: [Qemu-devel] [RFC] virtio-mmio: implement modern (v2) personality (virtio-1)

[Paolo Bonzini]

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