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Re: [Qemu-devel] change x86 default machine type to Q35?
From: |
Eduardo Habkost |
Subject: |
Re: [Qemu-devel] change x86 default machine type to Q35? |
Date: |
Tue, 11 Jul 2017 11:47:52 -0300 |
User-agent: |
Mutt/1.8.0 (2017-02-23) |
On Tue, Jul 11, 2017 at 10:13:05AM +0200, Gerd Hoffmann wrote:
> Hi,
>
> > Concerning QEMU, could we maybe simply emit a warning a la
> >
> > "you did not specify a machine type with the -M option, so you are
> > currently running the the 'pc' machine type. Please note that
> > future
> > versions of QEMU might use the 'q35' machine type instead. If you
> > require the 'pc' machine type for your setting, then please specify
> > it with the -M option."
>
> Warnings tend to get ignored until things are actually break, so I
> don't think this helps much. I think simply not having a default
> machine type (as already suggested elsewhere in this thread) is the
> best way to deal with this. That way we don't silently change
> behavior. It also is in line with what we have on arm where we already
> require the user to explicitly pick a machine type.
If we do that, we probably should wait for libvirt to adapt and
choose its own default. Current libvirt would pick an arbitrary
machine-type (the first one in the query-machines list) as the
default.
--
Eduardo
- Re: [Qemu-devel] change x86 default machine type to Q35?, (continued)
- Re: [Qemu-devel] change x86 default machine type to Q35?, Eduardo Habkost, 2017/07/10
- Re: [Qemu-devel] change x86 default machine type to Q35?, Thomas Huth, 2017/07/11
- Re: [Qemu-devel] change x86 default machine type to Q35?, Marcel Apfelbaum, 2017/07/11
- Re: [Qemu-devel] change x86 default machine type to Q35?, Gerd Hoffmann, 2017/07/11
- Re: [Qemu-devel] change x86 default machine type to Q35?, Kevin Wolf, 2017/07/11
- Re: [Qemu-devel] change x86 default machine type to Q35?, Paolo Bonzini, 2017/07/11
- Re: [Qemu-devel] change x86 default machine type to Q35?, Marcel Apfelbaum, 2017/07/12
- Re: [Qemu-devel] change x86 default machine type to Q35?, Gerd Hoffmann, 2017/07/12
- Re: [Qemu-devel] change x86 default machine type to Q35?, Marcel Apfelbaum, 2017/07/12
- Re: [Qemu-devel] change x86 default machine type to Q35?, Kevin Wolf, 2017/07/12
- Re: [Qemu-devel] change x86 default machine type to Q35?,
Eduardo Habkost <=
Re: [Qemu-devel] change x86 default machine type to Q35?, Daniel P. Berrange, 2017/07/05
Re: [Qemu-devel] change x86 default machine type to Q35?, Laszlo Ersek, 2017/07/05
Re: [Qemu-devel] change x86 default machine type to Q35?, Daniel P. Berrange, 2017/07/05