Re: [REPORT] cfs-v4 vs sd-0.44

Alan Cox
2007-04-25T10:24:06Z

> > 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