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From: Gerd Hoffmann <kraxel@redhat.com>
To: Alexander Graf <agraf@suse.de>
Cc: Juan Quintela <quintela@redhat.com>,
	jes sorensen <jes.sorensen@redhat.com>,
	Markus Armbruster <armbru@redhat.com>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	Avi Kivity <avi@redhat.com>
Subject: Re: [Qemu-devel] migration: new sections and backward compatibility.
Date: Thu, 07 Jul 2011 09:14:01 +0200	[thread overview]
Message-ID: <4E155CB9.4020009@redhat.com> (raw)
In-Reply-To: <6E6E2CFC-B5BB-4E1D-945D-1F13C604330B@suse.de>

   Hi,

>> We don't have a hard policy about not merging devices that don't
>> support migration.
>>
>> Since migration must be supported forever, I'd rather see a device
>> get some solid testing before it starts doing live migration.  That
>> said, we should probably do this consciously by explicitly marking
>> the device non-migrateable.
>
> Can't we just implicitly fail migration whenever there's a device in
> the tree that doesn't have VMSTATE?

There are cases where the device doesn't need to save state, so that 
alone doesn't cut it.

cheers,
   Gerd

  reply	other threads:[~2011-07-07  7:14 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
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 [this message]
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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