On Mon, Jul 31, 2023 at 04:42:51PM -0500, Bjorn Helgaas wrote: > I would expect hot-add to be handled via a Bus Check to the *parent* > of a new device, so the device tree would only need to describe > hardware that's present at boot. That would mean pci_root.c would > have some .notify() handler, but I don't see anything there. That has a big performance cost though - OSPM has no way to figure out on which slot the new device is, so has to rescan the whole bus.
