[...] instruction, which actually switches the CPU mode from user to kernel mode (ring0 to ring3), at this time the
^^^^^^^^^^^^^^ Well actually ring3 is the user mode, and ring0 is the kernel mode. So you should have read "ring3 to ring0" :)
-- Renaud Lienhart
-- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
