> because they don't like stuff distributed outside the kernel. This mechanism doesn't prevent stuff from being distributed outside of the kernel at all, a GPL

> because they don't like stuff distributed outside the kernel. This mechanism doesn't prevent stuff from being distributed outside of the kernel at all, a GPL-licensed module could stay out of tree for a long time. They even have a documented mode in the kernel Makefile to compile out-of-tree modules, as described at "make help": "make -C path/to/kernel/src M=$PWD modules modules_install"