1# Virtio always gets selected by whoever wants it. 2config VIRTIO 3 tristate 4 5# Similarly the virtio ring implementation. 6config VIRTIO_RING 7 tristate 8 depends on VIRTIO 9 10config VIRTIO_PCI 11 tristate "PCI driver for virtio devices (EXPERIMENTAL)" 12 depends on PCI && EXPERIMENTAL 13 select VIRTIO 14 select VIRTIO_RING 15 ---help--- 16 This drivers provides support for virtio based paravirtual device 17 drivers over PCI. This requires that your VMM has appropriate PCI 18 virtio backends. Most QEMU based VMMs should support these devices 19 (like KVM or Xen). 20 21 Currently, the ABI is not considered stable so there is no guarantee 22 that this version of the driver will work with your VMM. 23 24 If unsure, say M. 25 26config VIRTIO_BALLOON 27 tristate "Virtio balloon driver (EXPERIMENTAL)" 28 select VIRTIO 29 select VIRTIO_RING 30 ---help--- 31 This driver supports increasing and decreasing the amount 32 of memory within a KVM guest. 33 34 If unsure, say M. 35 36