On Sun, Jun 14, 2009 at 12:37:13PM +0300, Avi Kivity wrote: > Michael S. Tsirkin wrote: >> >> If we want to remove a device from under a running guest, you need >> hotplug. So we can't just remove several lines from the config and hope >> that it'll work simply because the PCI address is stable. >> > > Why not? E.g. configuration cycles address a specific bus/slot. You need cooperation from guest if you want to move a device. >> OTOH, if you reboot the guest, it's ok for addresses to change. >> > > No, it's not. Some guests depend on addressing for their configuration > (for example older Linux guests will swap eth0/eth1 if you swap their > slots). Ah, I misunderstood what's meant by the address. I agree that it's useful to be able to control device's placement on the bus. -- MST _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
