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SubjectRe: 2.5.8-dj1 : arch/i386/kernel/smpboot.c error
Adam Kropelin wrote:
> On Wed, Apr 17, 2002 at 08:28:19AM -0700, Martin J. Bligh wrote:
>
>>Adam Kropelin wrote:
>>
>>>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
of C and the "&&" operator say that "if the first is false, the
second needn't even be evaluated". Could that be what's causing
the warning?
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