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    SubjectRe: [PATCH] Fix compile failure on PA-RISC
    > What NO_IRQ problem do you mean? There is
    > #define NO_IRQ (-1)
    > in arch/parisc/include/asm/irq.h.

    It should be zero ready for us to get rid of it. Aa far as I can tell
    pa-risc can just move to 0 without anything breaking. In fact some stuff
    like serial port polling on 8250 ports will begin to work if it's done.

    > And there are other NO_IRQ definitions in other architectures, some
    > defining it to ((unsigned int)(-1)), some to 0xffffffff, some to INT_MAX,
    > some to (-1) and some to (0).

    Yes people are working on removing them all.


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