Alexei Starovoitov posted some patches to allow the kernel to load regular ELF binaries (aka plain executables) as kernel modules. These modules would be able to run user-mode helper routines instead ...
Well, I didn't get any errors when I ran "make" and "make install" so I'm working on the assumption that it did build correctly. I'll check it out when I get home and post back with more.
Signed kernel modules have been a feature of other operating systems for a number of years. Some people and companies like the idea of installing only modules (or drivers, as they are sometimes called ...