James Sutherland writes:
> In a normal workstation, that is exactly equivalent to losing the machine!
> Admittedly, if the machine is a network server, it will continue to
> perform that function until a scheduled reboot.
>
> One objection I have to the microkernel approach is the need to give
> userspace programs hardware access. That opens up a whole new can of
> worms; just saying "userspace things cannot touch hardware" is a lot
> simpler.
Except that's not true in Linux. There exist /dev/kmem, /proc/kcore,
iopl(), and ioperm().
-- Neil Moore, neil@cs.uky.edu, http://www.cs.uky.edu/~neil/- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Thu Jun 15 2000 - 21:00:29 EST