The original text suggested that sysfs is mandatory and always
compiled in the kernel.
Signed-off-by: NLucian Adrian Grijincu <lgrijincu@ixiacom.com>
Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>