wise choice too. In all other cases (for example, if you're just
playing around with User-Mode Linux) you can choose N.
+config BLK_DEV_COW_COMMON
+ bool
+ default BLK_DEV_UBD
+
config BLK_DEV_LOOP
tristate "Loopback device support"
config MMAPPER
tristate "Example IO memory driver"
+ depends on BROKEN
help
The User-Mode Linux port can provide support for IO Memory
emulation with this option. This allows a host file to be