From: Kevin Wolf <kwolf@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Juan Quintela <quintela@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
jes sorensen <jes.sorensen@redhat.com>,
Alexander Graf <agraf@suse.de>,
Markus Armbruster <armbru@redhat.com>,
Gerd Hoffmann <kraxel@redhat.com>
Subject: Re: [Qemu-devel] migration: new sections and backward compatibility.
Date: Mon, 11 Jul 2011 17:32:09 +0200 [thread overview]
Message-ID: <4E1B1779.6080505@redhat.com> (raw)
In-Reply-To: <4E15CF88.8080404@redhat.com>
Am 07.07.2011 17:23, schrieb Paolo Bonzini:
> On 07/07/2011 01:02 PM, Alexander Graf wrote:
>> I'd guess the best would be to have a special VMSTATE that means
>> "broken old version doesn't send a section" which we can set for
>> special -M?
>
> No, the best would be to have a serious migration format, based for
> example on ASN.1 which Michael Tsirkin was playing with. We cannot keep
> bolting more and more stuff on top of the current protocol, especially
> since adding a new protocol is not that hard (old machine types can keep
> the old protocol).
And even more so with the old format being ambiguous. We haven't decided
yet what to do with subsections of structs, have we?
Kevin
next prev parent reply other threads:[~2011-07-11 15:29 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-06 16:04 [Qemu-devel] migration: new sections and backward compatibility Gerd Hoffmann
2011-07-06 17:13 ` Anthony Liguori
2011-07-07 7:19 ` Gerd Hoffmann
2011-07-07 15:36 ` Anthony Liguori
2011-07-12 14:50 ` Gerd Hoffmann
2011-07-07 9:23 ` Markus Armbruster
2011-07-07 11:02 ` Alexander Graf
2011-07-07 15:23 ` Paolo Bonzini
2011-07-11 15:32 ` Kevin Wolf [this message]
2011-07-11 15:31 ` Paolo Bonzini
2011-07-07 14:40 ` Gerd Hoffmann
2011-07-07 15:37 ` Anthony Liguori
2011-07-07 16:44 ` Markus Armbruster
2011-07-06 17:28 ` Avi Kivity
2011-07-06 20:01 ` Anthony Liguori
2011-07-06 23:32 ` Alexander Graf
2011-07-07 7:14 ` Gerd Hoffmann
2011-07-07 7:30 ` Avi Kivity
2011-07-08 13:02 ` Jes Sorensen
2011-07-08 14:43 ` Peter Maydell
2011-07-08 15:12 ` Gerd Hoffmann
2011-07-07 15:33 ` Anthony Liguori
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