From: Paolo Bonzini <pbonzini@redhat.com>
To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>,
qemu-devel@nongnu.org, quintela@redhat.com
Subject: [Qemu-devel] Re: [PATCH] rtl8139: IO memory is not part of vmstate
Date: Wed, 15 Dec 2010 18:12:25 +0100 [thread overview]
Message-ID: <4D08F6F9.5050104@redhat.com> (raw)
In-Reply-To: <20101215100024.GC28825@redhat.com>
On 12/15/2010 11:00 AM, Michael S. Tsirkin wrote:
>> Indeed, subsections are for data that is rarely needed so that
>> there's some chance (sometimes ~100%) of migration working
>> seemlessly.
>
> If a subsection arrives that qemu does
> not know about, won't migratin fail?
Yes, that's why rarely needed => some high chance of migration working
(though no certainty).
>> In this case it's either
>> no-bump-and-live-with-the-consequences, or changing the version id.
>
> This was discussed to death already. version ids have the problem
> that they don't play nicely with downstreams.
Downstream version bumps don't play nicely with upstream, so downstream
does have a reason for always-necessary subsections. But upstream can
bump the version id as much as they care.
Paolo
next prev parent reply other threads:[~2010-12-15 17:12 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-09 19:16 [Qemu-devel] [PATCH] rtl8139: IO memory is not part of vmstate Alex Williamson
2010-12-09 21:49 ` [Qemu-devel] " Juan Quintela
2010-12-09 22:14 ` Alex Williamson
2010-12-12 10:28 ` Michael S. Tsirkin
2010-12-12 11:53 ` Juan Quintela
2010-12-12 12:01 ` Michael S. Tsirkin
2010-12-12 14:37 ` Juan Quintela
2010-12-12 16:29 ` Alex Williamson
2010-12-12 16:41 ` Michael S. Tsirkin
2010-12-12 21:25 ` Juan Quintela
2010-12-13 17:43 ` Alex Williamson
2010-12-13 17:50 ` Michael S. Tsirkin
2010-12-13 18:00 ` Alex Williamson
2010-12-13 18:54 ` Michael S. Tsirkin
2010-12-13 18:59 ` Alex Williamson
2010-12-13 19:06 ` Michael S. Tsirkin
2010-12-13 19:15 ` Alex Williamson
2010-12-14 4:43 ` Michael S. Tsirkin
2010-12-14 5:00 ` Alex Williamson
2010-12-14 12:32 ` Michael S. Tsirkin
2010-12-14 15:41 ` Alex Williamson
2010-12-14 15:59 ` Paolo Bonzini
2010-12-15 10:00 ` Michael S. Tsirkin
2010-12-15 17:12 ` Paolo Bonzini [this message]
2010-12-15 19:04 ` Michael S. Tsirkin
2010-12-16 12:45 ` Paolo Bonzini
2010-12-15 10:07 ` Michael S. Tsirkin
2010-12-15 16:05 ` Alex Williamson
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