Avi Kivity wrote: > On 06/15/2009 12:09 PM, Mark McLoughlin wrote: >>>>> I think the point is that you don't need version numbers if you >>>>> have a >>>>> proper device tree. >>>>> >>>>> >>>> How do you add a new attribute to the device tree and, when a supplied >>>> device tree lacking said attribute, distinguish between a device tree >>>> from an old version of qemu (i.e. use the old default) and a partial >>>> device tree from the VM manager (i.e. use the new default) ? >>>> >>>> >>> -baseline 0.10 >>> >> >> That's a version number :-) >> >> (I was responding to Anthony's "you don't need a version number") >> > > If you want to prevent incompatibilities, you need to make everything > new (potentially including bugfixes) non-default. Eventually the > default configuration becomes increasingly unusable and you need a new > baseline. You must still be able to fall back to the old baseline for > older guests. I don't think games with configuration files can hide > that. -M pc1 -M pc2 etc. This is pretty easy to maintain with config files. Regards, Anthony Liguori _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
