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Re: [Qemu-stable] [PATCH] virtio: fix HW_COMPAT_2_6 macro for virtio-*-p
From: |
Eduardo Habkost |
Subject: |
Re: [Qemu-stable] [PATCH] virtio: fix HW_COMPAT_2_6 macro for virtio-*-pci drivers |
Date: |
Tue, 6 Dec 2016 17:40:29 -0200 |
User-agent: |
Mutt/1.7.1 (2016-10-04) |
On Tue, Dec 06, 2016 at 09:36:07PM +0200, Michael S. Tsirkin wrote:
> On Tue, Dec 06, 2016 at 05:33:49PM -0200, Eduardo Habkost wrote:
> > On Tue, Dec 06, 2016 at 09:31:43PM +0200, Michael S. Tsirkin wrote:
> > > On Tue, Dec 06, 2016 at 06:50:47PM +0100, Greg Kurz wrote:
> > > > Since commit "9a4c0e220d8a hw/virtio-pci: fix virtio behaviour", passing
> > > > -device virtio-blk-pci.disable-modern=off has no effect on 2.6 machine
> > > > types because the internal virtio-pci.disable-modern=on compat property
> > > > always prevail.
> > > >
> > > > This should ideally be fixed in the qdev properties core code, but it is
> > > > too late in the QEMU 2.8 schedule. So this patch fixes the issue by
> > > > setting
> > > > the compat properties for every virtio-*-pci subtypes instead of the
> > > > base
> > > > virtio-pci type.
> > > >
> > > > Signed-off-by: Greg Kurz <address@hidden>
> > >
> > > What's the rush? Either the issue is or isn't 2.8 material. If it is,
> > > let's fix it in qdev core now. If it isn't no need for quick fixes,
> > > just wait a bit and merge qdev core fix after 2.8 is out.
> >
> > Because it is a regression,
>
> Regression in 2.7 though, isn't it?
Yes. Does that mean we don't mind leaving a regression unfixed in
2.8 because it was introduced in 2.7?
--
Eduardo
- Re: [Qemu-stable] [Qemu-devel] [RFC for-2.8] machine: Convert abstract typename on compat_props to subclass names, (continued)
- Re: [Qemu-stable] [Qemu-devel] [RFC for-2.8] machine: Convert abstract typename on compat_props to subclass names, Cornelia Huck, 2016/12/12
- Re: [Qemu-stable] [Qemu-devel] [RFC for-2.8] machine: Convert abstract typename on compat_props to subclass names, Greg Kurz, 2016/12/12
- Re: [Qemu-stable] [RFC for-2.8] machine: Convert abstract typename on compat_props to subclass names, Cornelia Huck, 2016/12/12
- Re: [Qemu-stable] [RFC for-2.8] machine: Convert abstract typename on compat_props to subclass names, Eduardo Habkost, 2016/12/12
- Re: [Qemu-stable] [Qemu-devel] [RFC for-2.8] machine: Convert abstract typename on compat_props to subclass names, Halil Pasic, 2016/12/12
- Re: [Qemu-stable] [Qemu-devel] [RFC for-2.8] machine: Convert abstract typename on compat_props to subclass names, Eduardo Habkost, 2016/12/12
- Re: [Qemu-stable] [Qemu-devel] [RFC for-2.8] machine: Convert abstract typename on compat_props to subclass names, Halil Pasic, 2016/12/12
Re: [Qemu-stable] [PATCH] virtio: fix HW_COMPAT_2_6 macro for virtio-*-pci drivers, Michael S. Tsirkin, 2016/12/06
- Re: [Qemu-stable] [PATCH] virtio: fix HW_COMPAT_2_6 macro for virtio-*-pci drivers, Eduardo Habkost, 2016/12/06
- Re: [Qemu-stable] [PATCH] virtio: fix HW_COMPAT_2_6 macro for virtio-*-pci drivers, Michael S. Tsirkin, 2016/12/06
- Re: [Qemu-stable] [PATCH] virtio: fix HW_COMPAT_2_6 macro for virtio-*-pci drivers,
Eduardo Habkost <=
- Re: [Qemu-stable] [PATCH] virtio: fix HW_COMPAT_2_6 macro for virtio-*-pci drivers, Michael S. Tsirkin, 2016/12/06
- Re: [Qemu-stable] [PATCH] virtio: fix HW_COMPAT_2_6 macro for virtio-*-pci drivers, Eduardo Habkost, 2016/12/06
- Re: [Qemu-stable] [Qemu-devel] [PATCH] virtio: fix HW_COMPAT_2_6 macro for virtio-*-pci drivers, Stefan Hajnoczi, 2016/12/06
- Re: [Qemu-stable] [Qemu-devel] [PATCH] virtio: fix HW_COMPAT_2_6 macro for virtio-*-pci drivers, Greg Kurz, 2016/12/07