obj-$(CONFIG_XEN_PCIDEV_BACKEND) += xen-pciback.o
  
  xen-pciback-y := pci_stub.o pciback_ops.o xenbus.o
  xen-pciback-y += conf_space.o conf_space_header.o \
  		 conf_space_capability.o \
  		 conf_space_quirks.o vpci.o \
  		 passthrough.o