https://bugs.launchpad.net/bugs/1670518 [PATCH 1/4] PCI: hv: Fix hv_pci_remove() for hot-remove [PATCH 2/4] PCI: hv: Delete the device earlier from hbus->children [PATCH 3/4] PCI: hv: Make unnecessarily global IRQ masking functions [PATCH 4/4] PCI: hv: Allocate physically contiguous hypercall params rtg