From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>,
borntraeger@de.ibm.com, qemu-devel@nongnu.org,
jjherne@linux.vnet.ibm.com
Subject: Re: [Qemu-devel] [PATCH RFC 1/1] virtio: migrate config_vector
Date: Thu, 14 May 2015 12:04:05 +0200 [thread overview]
Message-ID: <55547315.9050209@redhat.com> (raw)
In-Reply-To: <20150514095651.GA12939@redhat.com>
On 14/05/2015 11:56, Michael S. Tsirkin wrote:
> > That's expected. Subsections break compatibility because sometimes
> > breaking migration is better than leaving a broken guest after migration.
>
> Right, and what happens is that some devices work kind of okay without
> config interrupts? Christian - is this why you are trying to preserve
> the broken behaviour for cross-version migration?
If you really want that, the hook should be in the virtio device class.
Keying on the machine type is almost never the answer, at least upstream.
Distros can always override it if they know what they're getting into.
Paolo
next prev parent reply other threads:[~2015-05-14 10:04 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-13 14:42 [Qemu-devel] [PATCH RFC 0/1] virtio: fix config_vector migration issues Cornelia Huck
2015-05-13 14:42 ` [Qemu-devel] [PATCH RFC 1/1] virtio: migrate config_vector Cornelia Huck
2015-05-13 14:58 ` Michael S. Tsirkin
2015-05-13 15:03 ` Cornelia Huck
2015-05-13 16:14 ` Michael S. Tsirkin
2015-05-13 18:57 ` Christian Borntraeger
2015-05-13 21:47 ` Michael S. Tsirkin
2015-05-14 9:22 ` Christian Borntraeger
2015-05-14 9:36 ` Michael S. Tsirkin
2015-05-14 10:02 ` Paolo Bonzini
2015-05-14 10:30 ` Christian Borntraeger
2015-05-14 17:00 ` Dr. David Alan Gilbert
2015-05-15 7:08 ` Christian Borntraeger
2015-05-15 7:13 ` Michael S. Tsirkin
2015-05-18 11:26 ` Cornelia Huck
2015-05-18 15:29 ` Cornelia Huck
2015-06-03 11:59 ` Christian Borntraeger
2015-06-03 12:23 ` Michael S. Tsirkin
2015-05-14 8:24 ` Paolo Bonzini
2015-05-14 9:56 ` Michael S. Tsirkin
2015-05-14 10:04 ` Paolo Bonzini [this message]
2015-05-14 10:07 ` Michael S. Tsirkin
2015-05-14 10:09 ` Paolo Bonzini
2015-05-14 10:38 ` Christian Borntraeger
2015-05-14 8:22 ` Paolo Bonzini
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=55547315.9050209@redhat.com \
--to=pbonzini@redhat.com \
--cc=borntraeger@de.ibm.com \
--cc=cornelia.huck@de.ibm.com \
--cc=jjherne@linux.vnet.ibm.com \
--cc=mst@redhat.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).