linux device driver notes

writing a linux device driver module for kernels 3.0 or 2.6 with udev
Reading Files From The Linux Kernel Space (Module/Driver) (Fedora 14)
Driving Me Nuts - Things You Never Should Do in the Kernel
sysfs interface is preferred over ioctls and using /proc.
Device Drivers, Part 10: Kernel-Space Debuggers in Linux
10.2. Linux Kernel Debugging
Kernel Thread Creation : 1