Re: [Qemu-devel] GSoC mentor summit QEMU users session

[Anthony Liguori]

On 11/02/2011 01:17 PM, Jan Kiszka wrote:
> On 2011-11-02 18:44, Fabien Chouteau wrote:
> > On 31/10/2011 14:12, Peter Maydell wrote:
> > > On 29 October 2011 14:52, Alexander Graf<address@hidden>  wrote:
> > > > A lot of people seem to also have code that doesn't make sense
> > > > upstream, for example implementing a one-off device that only
> > > > really matters for their own devboard which nobody else owns.
> > > > For such cases, having a plugin framework would be handy. I
> > > > interestingly enough got into the same discussion on LinuxCon
> > > > with some QEMU downstreams.
> > >
> > > If we get the qdev rework done then I think we're probably in
> > > a better position to have a plugin framework for devices. (There
> > > are some issues about API and ABI stability guarantees, of course.)
> >
> > Interesting, we have a "plug-in" implementation in our Qemu branch. It
>
> We have a "plugin" model here as well. It's really simple: the plugin is
> loaded dynamically into the QEMU process and can access any global
> function and variable. Of course, this breaks regularly.

Yes, this is the Right Model.

All of the work is in making the interfaces not break regularly.  Loading a 
shared object is easy enough.

Regards,

Anthony Liguori