On Wed, 3 Feb 1999, David Wright wrote:
> I don't think it would be sufficient to be root. AIUI, when
> any non-kernel process is running, its privilege level is
> set so it can't do any I/O etc. itself. 

The root setuid programs in Linux on Intel x86 may perform I/O, however
they may not use interrupts. (This is the way how the "user space
drivers" work).

                        Wojtek Zabolotny
                        [EMAIL PROTECTED]

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