On Wed, Dec 11, 2013 at 04:41:08PM +0100, Paolo Bonzini wrote: > Il 11/12/2013 16:39, Michael S. Tsirkin ha scritto: > > > 2GB low memory for q35 is a bit wasteful, > > > but we have some time to fix that before release. > > > > How would you fix that? > > Just use 1GB, coupled with reducing the default MMCONFIG size to 128 > buses. > That's already ~40 PCIe devices
This is not really enough, people requested more than 40 devices. We will likely need multiroot down the road because some people want more than 256 devices ... > if you count upstream/downstream > ports in addition to the actual device, and you can also use PCIe-to-PCI > bridges if you need more room. > > Paolo We don't want people to use PCI down the road. Everything should be PCIE so we can use things like native hotplug. -- MST
