@hawran diskuse: A je to tento případ? [build as module]
bylo by nelogicke aby to neslo, natolik nelogicke ze je logicke aby to nikdo svepravnej do mainline nepridal ;-)
zde konkretne mas jasne receno ze jako modul to jde a je doporucovano:
VBOXGUEST
[...]
help
[...]
Although it is possible to build this module in, it is advised
to build this driver as a module, so that it can be updated
independently of the kernel. Select M to build this driver as a
module.
viz (docvakano k tomuto ze zpravicky):
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git/commit/?h=char-misc-next&id=0ba002bc4393dcfae031fc707b11c094b46a5048