Re: [Qemu-devel] [RFC] Introduce module API to QEMU

[Anthony Liguori]

Paul Brook wrote:
> On Friday 03 April 2009, Anthony Liguori wrote:
>   
> > Paul Brook wrote:
> >     
> > > > This patch introduces a module API similar to what's in the Linux
> > > > kernel. This includes module_init/module_exit functions that register
> > > > functions that are run at init and exit respectively.
> > > >         
> > > Wouldn't it be much simpler to just have a list of device names, and
> > > assume the each device is implemented in $devicename., and provides
> > > $devicename_register ?
> > >
> > > It's then an extremely simple shell script to collate and call these.
> > >       
> > It doesn't generalize very well.  For instance, the VNC server is not a
> > device but it needs to be able to register as a DisplayState backend.
> >     
>
> Hmm, this raises annother issue - we've got to be extremely careful about 
> ordering. It's not inconcievable that the PCI support code would have 
> constructors (e.g. to register a PCI bus type).
>   

Looks like constructor/destructor has explicit support for ordering.  Neat.

Regards,

Anthony Liguori

> Paul
>