KVM Documentation

looks like it starts from kvm_init() in kvm_main.c source file.

Few Interesting Links

http://avikivity.blogspot.com/
http://blog.codemonkey.ws/
http://forums.meulie.net/viewforum.php?f=43
http://virt.kernelnewbies.org/
http://www.linux-kvm.com/
http://ozlabs.org/~rusty/ and http://rusty.ozlabs.org/
http://www.ibm.com/developerworks/linux/library/l-linuxvirt/