On Tue, 2019-06-04 at 13:32 +1000, Benjamin Herrenschmidt wrote: > > > Of course, _DSM *can* be higher, e.g., at the host bridge, but then we > > lose the information about what specifically must be immutable, and > > that means the OS cannot ever move *anything*, even if it becomes > > capable of moving things around to accommodate hot-added devices. > > Well, in our case at least this is a non-issue, we don't want the OS to > move anything or change anything and there is no hotplug. Correction: There is hotplug in the leaf ports, but the FW will have setup the switch with enough space already. Cheers, Ben.