config VFIO_PCI tristate "VFIO support for PCI devices" depends on VFIO && PCI && EVENTFD help Support for the PCI VFIO bus driver. This is required to make use of PCI drivers using the VFIO framework. If you don't know what to do here, say N. config VFIO_PCI_VGA bool "VFIO PCI support for VGA devices" depends on VFIO_PCI && X86 && VGA_ARB help Support for VGA extension to VFIO PCI. This exposes an additional region on VGA devices for accessing legacy VGA addresses used by BIOS and generic video drivers. If you don't know what to do here, say N.