Subject: Re: kern/1043: unlink(2) should not let superuser remove directories
To: None <mouse@Collatz.McRCIM.McGill.EDU>
From: Charles M. Hannum <mycroft@ai.mit.edu>
List: netbsd-bugs
Date: 05/15/1995 17:03:05 
   Accessing kernel VM directly: why not?  Why shouldn't the kernel's VM
   appear in a user process's address space?

On most CPUs, it does, sort of, but the user process doesn't have
permission to access it.  (Is the 68k the only series of CPUs that
have separate address spaces?)