On Mon, Nov 22, 2010 at 10:16:57AM +0200, Michael S. Tsirkin wrote: > On Mon, Nov 22, 2010 at 09:37:07AM +0200, Gleb Natapov wrote: > > > > > It's probably required to make them stable anyway. > > > > > > > > > Why? > > > > > > To avoid bus renumbering on reboot after you add a pci-to-pci bridge. > > > > > Why should qemu care? > > Stable bus numbering is a feature *users* care about, because > some Guest OSes get confused when a card gets moved to another > bus. > So if user cares about it it should not change HW configuration of QEMU. I guess those OSes knows how to handle hot-pluggable equipment otherwise they will get confused on real HW too. Why QEMU should care to preserve something in a face of configuration change?
-- Gleb.