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Re: [Qemu-devel] virtio 1.0 state?

From: Cornelia Huck
Subject: Re: [Qemu-devel] virtio 1.0 state?
Date: Tue, 26 May 2015 11:10:38 +0200

On Fri, 22 May 2015 15:56:13 +0200
Gerd Hoffmann <address@hidden> wrote:

>   Hi,
> Where we are in terms of virtio 1.0 support in qemu?
> There hasn't been much activity in mst's virtio-1.0 branch recently, at
> least not in the public version of it.  And it doesn't rebase easily to
> latest master any more ;(

FWIW, an untested branch with the virtio-1.0 patches + some of my
virtio-1.0 stuff on top rebased against current master can be found

git://github.com/cohuck/qemu virtio-1

> What are the blocking issues?  Anything I can do to speed up things?
> Any chance we can get the core changes merged (64bit features for
> example), even if virtio 1.0 support for virtio-pci is not ready yet?

The main issues currently are feature bit handling (legacy vs.
transitional vs. modern) and migration. A prereq for fixing the first
is moving host feature bits out of the transport, for which I have a
patch floating around. The rest needs more thought before we can
proceed, I fear.

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