Kernel related notes
3.x Series config with Debian/wheezy
Use the following options:
CONFIG_UNIX=y
CONFIG_DEVTMPFS=y
CONFIG_DEVTMPFS_MOUNT=y
CONFIG_SYSFS_DEPRECATED=n
3.x Series config with Debian/jessie
Udev needs
CONFIG_INOTIFY_USER=y
CONFIG_SIGNALFD=y
CONFIG_FHANDLE=y
CONFIG_TIMERFD=y
CONFIG_EPOLL=y