I was reading Tigran's 2.4 kernel docs about SMP boot up. I am interested in knowing the diff between an kernel thread and idle thread.what exactly is an idle thread? y do the APs need to have an idle thread associated with them? also please explain a bit about trampoline.s I am not subscribed , so email me. -sridhar -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ IRC Channel: irc.openprojects.net / #kernelnewbies Web Page: http://www.kernelnewbies.org/