On Sat, Sep 10, 2016 at 11:40:45PM +0800, Rui Wang wrote: > Some PCI root bridges don't have a corresponding ACPI device. > This can be the case on some old platforms. Don't call acpi_ioapic_add() > on these bridges because they can't support ioapic hotplug. Not just old platforms. VMD is a new device which initializes a root port in software without an acpi handle.
What branch is this based on? I can't find the relevant code/commits