Re: Preempting kernel tasks

Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 3 Sep 1996 22:18:36 +0100 (BST)

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> (btw, kernel preemption IMHO is a sorry and dirty solution for the
> problem that it claims to solve)

Its extremely useful for high performance polled IO drivers (such as the
Quickcam). Checking if I need to reschedule costs me about 5% performance
on the camera.

Alan

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