From: "Daniel P. Berrange" <berrange@redhat.com>
To: Thomas Huth <thuth@redhat.com>
Cc: Fam Zheng <famz@redhat.com>,
Chao Peng <chao.p.peng@linux.intel.com>,
"Tian, Kevin" <kevin.tian@intel.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] change x86 default machine type to Q35?
Date: Thu, 6 Jul 2017 12:06:27 +0100 [thread overview]
Message-ID: <20170706110627.GK3988@redhat.com> (raw)
In-Reply-To: <bc77d893-8489-b38d-00e5-12456321ad9b@redhat.com>
On Thu, Jul 06, 2017 at 01:00:53PM +0200, Thomas Huth wrote:
> On 06.07.2017 12:49, Daniel P. Berrange wrote:
> [...]
> > This avoids the user having problems with guest ABI silently changing
> > behind their back, or migration suddenly failing to load vm state,
>
> For proper migration, you've got to specify the right versioned machine
> type anyway, so that should not be an issue here.
That's only true if you have mis-matched QEMU releases on each host.
If you know you have the same QEMU release everywhere, there's no
need for versioned machine types. Though obviously we'd still recommend
people us versioned machine type, its not unreasonable that some people
will not
Regards,
Daniel
--
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next prev parent reply other threads:[~2017-07-06 11:06 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-05 6:57 [Qemu-devel] change x86 default machine type to Q35? Chao Peng
2017-07-05 8:14 ` Thomas Huth
2017-07-05 9:32 ` Marcel Apfelbaum
2017-07-07 13:39 ` Eduardo Habkost
2017-07-07 15:17 ` Michael S. Tsirkin
2017-07-07 18:03 ` Eduardo Habkost
2017-07-10 7:42 ` Marcel Apfelbaum
2017-07-10 9:45 ` Paolo Bonzini
2017-07-10 13:59 ` Eduardo Habkost
2017-07-10 16:45 ` Michael S. Tsirkin
2017-07-10 17:47 ` Eduardo Habkost
2017-07-11 7:48 ` Thomas Huth
2017-07-11 8:01 ` Marcel Apfelbaum
2017-07-11 8:13 ` Gerd Hoffmann
2017-07-11 14:42 ` Kevin Wolf
2017-07-11 14:47 ` Paolo Bonzini
2017-07-12 6:39 ` Marcel Apfelbaum
2017-07-12 15:17 ` Eduardo Habkost
2017-07-12 5:51 ` Gerd Hoffmann
2017-07-12 6:18 ` Marcel Apfelbaum
2017-07-12 8:28 ` Kevin Wolf
2017-07-11 14:47 ` Eduardo Habkost
2017-07-05 11:07 ` Daniel P. Berrange
2017-07-05 11:13 ` Thomas Huth
2017-07-06 10:30 ` Stefan Hajnoczi
2017-07-06 10:41 ` Daniel P. Berrange
2017-07-11 10:13 ` Stefan Hajnoczi
2017-07-05 10:49 ` Laszlo Ersek
2017-07-05 11:04 ` Daniel P. Berrange
2017-07-05 11:44 ` Fam Zheng
2017-07-05 11:58 ` Thomas Huth
2017-07-05 12:22 ` Fam Zheng
2017-07-06 10:49 ` Daniel P. Berrange
2017-07-06 10:57 ` Peter Maydell
2017-07-06 11:00 ` Thomas Huth
2017-07-06 11:06 ` Daniel P. Berrange [this message]
2017-07-06 11:12 ` Thomas Huth
2017-07-06 11:13 ` Dr. David Alan Gilbert
2017-07-07 13:49 ` Eduardo Habkost
2017-07-05 12:43 ` Paolo Bonzini
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