Re: Configuration vs. compat hints [was Re: [Qemu-devel] [PATCHv3 03/13] qemu: add routines to manage PCI capabilities]

[Mark McLoughlin]

On Tue, 2009-06-16 at 19:44 +0100, Jamie Lokier wrote:
> Mark McLoughlin wrote:
> > > Worst case we hardcode those numbers (gasp, faint).
> > 
> > Maybe we can just add the open slots to the -help output. That'd be nice
> > and clean.

I was being sarcastic - libvirt currently must parse qemu -help, and
even has some test infrastructure to check that it works with various
versions of qemu. Extending this would not be nice and clean :-)

> I particularly don't like the idea of arcane machine-dependent slot
> allocation knowledge living in libvirt, because it needs to be in Qemu
> anyway for non-libvirt users.  No point in having two implementations
> of something tricky and likely to have machine quirks, if one will do.

Indeed.

Cheers,
Mark.