Frank van der Linden <fvdl@NetBSD.org> writes:

> A mechanism like this can be extended to be generic for all hotplug
> bus attachments, but I didn't want to go there; I think it may be
> worth it to look at UVM for a patch first, it would be cleaner. My
> patch is a USB-only workaround, though it can easily be applied
> to cardbus.

Cardbus needs it a bit more badly, as it genuinely does need the
physically-contiguous region, as I understand it.

         - Nathan