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    SubjectRe: [PATCH] Fix irqpoll on IA64 (timer interrupt != 0)

    * Thomas Gleixner <> [2007-03-22 22:23]:
    > > Also, the code presently passes the magic IRQ number into the generic IRQ
    > > code. I wonder if we'd get a more pleasing result if we were to make the
    > > generic IRQ code call _out_ to the architecture:
    > > Then, ia64 can implement arch_is_irqpoll_irq() and it can do whatever it
    > > wants in there.
    > >
    > > The __attribute__((weak)) thing adds a little bit of overhead, but I don't
    > > think this is a fastpath?
    > Well, depends what you consider a fastpath. When noirqdebug == 0, it is
    > called on every interrupt.

    I think that function is only called if irqfixup == 2, because if the
    first condition in the expression is wrong, the evaluation of the
    expression is aborted in C.

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