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    SubjectRe: Is it useful to support user level drivers
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    > I agree, the idea is to clear the IRQ in kernel space
    > and then deliver to user level programs interested
    > using a signal (Real time SIGINT or something similar)
    > If somebody is interested I could in sometime come
    > up with what I have in mind and send it to this list,
    > accept comments and criticism.

    I think you should yes. The XFree86 people for one are trying to find a way
    to handle vertical blank interrupts nicely
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