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    SubjectRe: better leve triggered IRQ management needed
    On Mon, 2006-04-24 at 16:16 -0400, Alan Cox wrote:
    > On Mon, Apr 24, 2006 at 09:53:22PM +0200, Arjan van de Ven wrote:
    > > we now have that neat polling thing Alan did for interrupts (but which
    > > is optional). To limp along better the kernel could auto-enable that for
    > > any such shared interrupt automatically as a "safe fallback"...
    > > (or heck, if things are this broken, you probably want it for all
    > > interrupts at that point just to be sure)
    > That is really something drivers should handle themselves if they are doing
    > shared edge trigger.

    but the issue is .. drivers don't know. They didn't *want* edge trigger
    in the first place generally

    > For one the kernel core has no idea the right polling
    > time

    well... the corner case (as rmk described) is full starvation; even
    polling once per second is better than not polling at tall there.,..

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