1config PVBLOCK 2 bool "Xen para-virtualized block device" 3 depends on DM 4 select BLK 5 select HAVE_BLOCK_DEVICE 6 help 7 This driver implements the front-end of the Xen virtual 8 block device driver. It communicates with a back-end driver 9 in another domain which drives the actual block device. 10 11