From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: Mark McLoughlin <markmc@redhat.com>,
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 14:22:51 +0100 [thread overview]
Message-ID: <200905281422.52420.paul@codesourcery.com> (raw)
In-Reply-To: <4A1E8A16.3060101@us.ibm.com>
> >> - 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.
>
> It is very worth the pain. I consider it a core requirement.
We disagree then. You're effectively requiring bug-compatibility.
This may be reasonable for a stable branch, but is not something I have any
interest in across different release cycles. IMHO major VM upgrades should be
considered the same as real hardware or firmware upgrades.
Paul
next prev parent reply other threads:[~2009-05-28 13:23 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
2009-05-28 12:56 ` Anthony Liguori
2009-05-28 13:22 ` Paul Brook [this message]
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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