http://duartes.org/gustavo/blog/post/cpu-rings-privilege-and-protection
An exellent introduction article about x86 cpus protection mechanism. (run instruction in “rings”) good read.
http://duartes.org/gustavo/blog/post/cpu-rings-privilege-and-protection
An exellent introduction article about x86 cpus protection mechanism. (run instruction in “rings”) good read.