From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org, Mark McLoughlin <markmc@redhat.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>,
Dor Laor <dlaor@redhat.com>,
ajax@redhat.com
Subject: Re: [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER
Date: Thu, 28 May 2009 13:53:49 +0100 [thread overview]
Message-ID: <200905281353.50463.paul@codesourcery.com> (raw)
In-Reply-To: <1243446153.4852.9.camel@blaa>
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
next prev parent reply other threads:[~2009-05-28 12:54 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-22 17:14 [Qemu-devel] [PATCH] Change virtio-console to PCI_CLASS_SERIAL_OTHER Mark McLoughlin
2009-05-24 9:11 ` Avi Kivity
2009-05-27 14:21 ` Anthony Liguori
2009-05-27 17:42 ` Mark McLoughlin
2009-05-27 22:37 ` Anthony Liguori
2009-05-28 9:33 ` Mark McLoughlin
2009-05-28 9:44 ` Anthony Liguori
2009-05-28 12:53 ` Paul Brook [this message]
2009-05-28 12:56 ` Anthony Liguori
2009-05-28 13:22 ` Paul Brook
2009-05-28 13:29 ` Anthony Liguori
2009-05-28 21:45 ` Dor Laor
2009-05-29 9:43 ` Mark McLoughlin
2009-05-29 9:50 ` Anthony Liguori
2009-05-31 14:32 ` Avi Kivity
2009-05-29 9:55 ` Anthony Liguori
2009-05-29 10:09 ` Mark McLoughlin
2009-05-31 14:47 ` Dor Laor
2009-06-02 8:49 ` Mark McLoughlin
2009-06-02 13:08 ` Dor Laor
2009-06-02 13:39 ` Mark McLoughlin
2009-05-31 14:35 ` Dor Laor
2009-06-02 8:49 ` Mark McLoughlin
2009-05-28 13:04 ` Daniel P. Berrange
2009-05-28 13:19 ` Anthony Liguori
2009-05-31 18:48 ` Jamie Lokier
2009-05-28 13:20 ` Paul Brook
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