[libvirt] [Qemu-devel] change x86 default machine type to Q35?

[Kevin Wolf]

Am 11.07.2017 um 10:13 hat Gerd Hoffmann geschrieben:
>   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.

I would absolutely hate this. One of the nice things about qemu has
always been that 'qemu disk.img' is enough to start a simple VM. You
only need to touch any other options for things you care about. I
wouldn't want to give this up.

Kevin