Messages in this thread | | | Date | Wed, 25 Apr 2007 11:19:03 +0100 | From | Alan Cox <> | Subject | Re: [REPORT] cfs-v4 vs sd-0.44 |
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> > 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.
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