> > it into some xorg.conf field. (It also makes sure that X isnt preempted
> > by other userspace stuff while it does timing-sensitive operations like
> > setting the video modes up or switching video modes, etc.)
>
> X is priviledged. It can just cli around the critical section.
Not really. X can use iopl3 but if it disables interrupts you get
priority inversions and hangs, so in practice it can't do that.
Alan
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