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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Markus Armbruster <armbru@redhat.com>
Cc: amit.shah@redhat.com, pbonzini@redhat.com, quintela@redhat.com,
	"Dr. David Alan Gilbert (git)" <dgilbert@redhat.com>,
	qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] Migration compatibility for serial
Date: Wed, 17 Jun 2015 08:58:35 +0200	[thread overview]
Message-ID: <20150617085742-mutt-send-email-mst@redhat.com> (raw)
In-Reply-To: <87a8vyj079.fsf@blackfin.pond.sub.org>

On Wed, Jun 17, 2015 at 08:52:42AM +0200, Markus Armbruster wrote:
> "Dr. David Alan Gilbert (git)" <dgilbert@redhat.com> writes:
> 
> > From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
> >
> > Older QEMUs dont understand the new (sub)sections that
> > may be generated in the serial device.   Limit their generation
> > to newer machine types.
> 
> Please explain briefly what state migration can lose with old machine
> types, and how this could impact the guest.  The commits adding the
> subsections should have the information[*].  Pointers to them might
> suffice.
> 
> 
> [*] Should != do; I didn't check.

OTOH if we have flags named after specific portions we skip,
and not after qemu versions, this becomes evident from code.

  reply	other threads:[~2015-06-17  6:58 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-16 18:54 [Qemu-devel] [PATCH] Migration compatibility for serial Dr. David Alan Gilbert (git)
2015-06-16 20:49 ` Michael S. Tsirkin
2015-06-17  9:09   ` Dr. David Alan Gilbert
2015-06-17  6:52 ` Markus Armbruster
2015-06-17  6:58   ` Michael S. Tsirkin [this message]
2015-06-17  7:11     ` Markus Armbruster
2015-06-17  7:25       ` Michael S. Tsirkin
2015-06-17  7:41 ` Paolo Bonzini
2015-06-17  7:52   ` Michael S. Tsirkin
2015-06-17  8:11     ` Paolo Bonzini
2015-06-17 10:13       ` Michael S. Tsirkin
2015-06-17 10:48         ` Juan Quintela
2015-06-17 10:51           ` Dr. David Alan Gilbert
2015-06-17 10:56             ` Michael S. Tsirkin
2015-06-17 10:59               ` Dr. David Alan Gilbert
2015-06-17 11:36                 ` Michael S. Tsirkin
2015-06-17 10:55           ` Michael S. Tsirkin
2015-06-17 11:33         ` Paolo Bonzini
2015-06-17 11:40           ` Dr. David Alan Gilbert
2015-06-17 11:44             ` Paolo Bonzini
2015-06-17 11:48               ` Michael S. Tsirkin
2015-06-17 12:07               ` Dr. David Alan Gilbert
2015-06-17 12:20                 ` Paolo Bonzini
2015-06-17 14:44                   ` Michael S. Tsirkin
2015-06-17 16:34                     ` Juan Quintela
2015-06-17 16:39                       ` Michael S. Tsirkin
2015-06-17 16:40                         ` Paolo Bonzini
2015-06-17 11:45           ` Michael S. Tsirkin
2015-06-17 11:53             ` Paolo Bonzini
2015-06-17 11:54               ` Michael S. Tsirkin
2015-06-17 11:55                 ` Paolo Bonzini
2015-06-17 11:58                   ` Michael S. Tsirkin
2015-06-17 12:20                     ` Paolo Bonzini
2015-06-17 14:50                       ` Michael S. Tsirkin
2015-06-17 16:16                         ` Paolo Bonzini
2015-06-17 16:34                           ` Michael S. Tsirkin
2015-06-17 16:35                             ` Paolo Bonzini
2015-06-17  9:26     ` Juan Quintela
2015-06-17 10:37       ` Michael S. Tsirkin
2015-06-17  8:37   ` Dr. David Alan Gilbert
2015-06-17  8:49     ` Paolo Bonzini
2015-06-17  9:38       ` Dr. David Alan Gilbert

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