User Mode Linux README

1. Clone Linux kernel git repository:

	Systems in the lab:

	$ git clone --shared /home/so/linux.git

	Other systems (clone from Internet):

	$ git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

2. Change directory to sources

	$ cd linux

3. Add "Operating Systems" repository

	$ git remote add km git://git.podlesie.net/km/linux.git

4. Fetch "km/so" branch from "Operating Systems" repository

	$ git fetch km km/so

5. create branch:

	$ git checkout -b nazwa km/km/so

6. Configure Linux:

	$ make ARCH=um menuconfig

	select "UML-specific options" -> "Host filesystem"
	select "Filesystems" -> "Pseudo filesystems" -> "Tmpfs virtual memory..."
	select "Enable loadable module support"
	select "Enable loadable module support" -> "Module unloading"

	select "Device drivers -> Character devices -> ringdev ..."

7. Compile and link:

	$ make ARCH=um -j4

8. Execute:

	a)

	$ ./linux rootfstype=hostfs init=/bin/bash

	# mount -t proc none /proc
	# mount -t tmpfs none /tmp
	# mknod /tmp/ringdev c MAJOR MINOR
	# cat /tmp/ringdev

	b)

	$ so/UML/start