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Re: [Qemu-devel] [PATCH 0/4] virtio-ccw: virtio-1 enablement
From: |
Cornelia Huck |
Subject: |
Re: [Qemu-devel] [PATCH 0/4] virtio-ccw: virtio-1 enablement |
Date: |
Thu, 25 Jun 2015 15:16:29 +0200 |
On Thu, 25 Jun 2015 14:49:00 +0200
"Michael S. Tsirkin" <address@hidden> wrote:
> On Thu, Jun 25, 2015 at 12:24:40PM +0200, Cornelia Huck wrote:
> > On a second thought, I can simply include dev->revision, as we have the
> > incompatible ->config_vector change for this release already. I'll
> > include a new patch for this and patch 4 as well, as we only need to
> > care about Linux guests on ccw for now and those are fine.
>
> I don't think enable by default is a good idea for 2.4 since
> I think we have spec compliance issues which just don't
> trigger with linux guests. For example, devices poke at
> rings before DRIVER_OK is set.
>
> If we release QEMU like this, guests will have to work
> around these issues, which is not nice.
> Let's release 2.4 in disabled by default mode, and flip
> it around for 2.5.
If you put it that way, I agree to defer the actual enablement. I'll
keep the ->revision migration patch, though.
- [Qemu-devel] [PATCH 0/4] virtio-ccw: virtio-1 enablement, Cornelia Huck, 2015/06/23
- [Qemu-devel] [PATCH 4/4] s390x/virtio-ccw: enable virtio 1.0, Cornelia Huck, 2015/06/23
- [Qemu-devel] [PATCH 1/4] s390x/css: Add a callback for when subchannel gets disabled, Cornelia Huck, 2015/06/23
- [Qemu-devel] [PATCH 3/4] s390x/virtio-ccw: support virtio-1 set_vq format, Cornelia Huck, 2015/06/23
- [Qemu-devel] [PATCH 2/4] s390x/virtio-ccw: add virtio set-revision call, Cornelia Huck, 2015/06/23
- Re: [Qemu-devel] [PATCH 0/4] virtio-ccw: virtio-1 enablement, Michael S. Tsirkin, 2015/06/23
- Re: [Qemu-devel] [PATCH 0/4] virtio-ccw: virtio-1 enablement, Thomas Huth, 2015/06/23
- Re: [Qemu-devel] [PATCH 0/4] virtio-ccw: virtio-1 enablement, Michael S. Tsirkin, 2015/06/23