32 bit PCI domain limits cause breakage on Azure

Submitted by Stephen Hemminger

Assigned to Xorg Project Team

Link to original bug (#101744)

Description

On Microsoft Azure, a PCI device passed through to guest (such as a GPU) will have a 32 PCI domain value. This is done so that the PCI device will not conflict with ACPI PCI buses.

The kernel and pci-utils already support 32 bit domain values.