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Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER
From: |
Paul Brook |
Subject: |
Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER |
Date: |
Thu, 28 May 2009 13:53:49 +0100 |
User-agent: |
KMail/1.11.2 (Linux/2.6.29-2-amd64; KDE/4.2.2; x86_64; ; ) |
On Wednesday 27 May 2009, Mark McLoughlin wrote:
> On Wed, 2009-05-27 at 09:21 -0500, Anthony Liguori wrote:
> > We need a mechanism to toggle this for both this and virtio-blk. The
> > reason a toggle is needed is so that 0.11 can create the same device
> > model as 0.10.
>
> Okay, so the scenario is:
>
> - 0.10 guest running on source machine
>
> - migrate to dest machine running 0.11
>
> - the device model cannot change or the guest OS will get confused
IMHO think the only sane response is "don't do that". Trying to support
migration between different qemu versions just isn't worth the pain.
Paul
- [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Mark McLoughlin, 2009/05/22
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Avi Kivity, 2009/05/24
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Anthony Liguori, 2009/05/27
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER,
Paul Brook <=
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Anthony Liguori, 2009/05/28
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Paul Brook, 2009/05/28
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Anthony Liguori, 2009/05/28
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Dor Laor, 2009/05/28
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Mark McLoughlin, 2009/05/29
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Anthony Liguori, 2009/05/29
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Avi Kivity, 2009/05/31
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Anthony Liguori, 2009/05/29
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Mark McLoughlin, 2009/05/29
- Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER, Dor Laor, 2009/05/31