Re: [Qemu-devel] Re: [PATCH 0/22] Refactor machine support

[Anthony Liguori]

On 06/08/2010 04:05 PM, Alexander Graf wrote:
> On 08.06.2010, at 18:15, Anthony Liguori wrote:
>
>    
> >      
> > > 4) expose everything to the user, at the cost of regretting it later. This is 
> > > the current patchset.
> > >
> > >
> > > One "smart way to implement default devices" could be an inclusion mechanism 
> > > where a machine can ask qemu to read other config files.  Then you'd have config files 
> > > for the default serial/parallel/etc.  This could also be implemented on top of choices 
> > > 2/3/4 though.
> > >        
> > Default devices are a real pain.  Fortunately, we only mess with it in s390 so 
> > I'm fairly certain we can simplify things considerable.  It's just not 
> > something I wanted to tackle in this series.
> >      
> Wait, what? The only "default" device we have on s390 is virtio-console - and 
> that's basically the same as having VGA output on x86 enabled by default, no?
>    

What I was saying is that all the .no_vga/.no_serial/.use_virtcon bits 
in QEMUMachine are strictly due to s390.  Since the use of these are so 
specific, it'll be fairly easy to eliminate them in a more natural way.

What most other boards do is simply ignore whatever vl.c does FWIW.

Regards,

Anthony Liguori