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    SubjectRe: 2.5.8-dj1 : arch/i386/kernel/smpboot.c error
    >>>> Even though clustered_apic_mode is 0, the compiler still complains
    >>>> about the second one and the first one doesn't depend on
    >>>> clustered_apic_mode at all.
    >>>>
    >>> Hmmm ... not sure why the compiler complains about the second one,
    >>> that's very strange ;-)
    >>>
    >>
    >> I agree. The cpp ouput clealy shows
    >>
    >> if ((0) && (numnodes > 1)) {
    >>
    >> so I'm not sure why there's a problem.
    >
    > Is the thing generating the "(0)" a macro? If so, then the rules

    #define clustered_apic_mode (0)

    > of C and the "&&" operator say that "if the first is false, the
    > second needn't even be evaluated".

    That's what I would have thought.
    But I don't think it's the second part that causes the warning,
    it's the thing *inside* the if clause.

    > Could that be what's causing the warning?

    To my mind, that's why we should *not* be getting a warning ?

    M.

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