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Andreas Dilger writes: > so presumably if you don't select CONFIG_PPCDBG it is also a no-op unless > the compiler is broken and doesn't optimize away "if (0)" stanzas. The > original construct gives you the option to enable this particular debugging > at runtime (without necessarily enabling all debugging at one time) if wanted. And the effect of suddenly changing your VSID calculation algorithm in mid-stream is pretty catastrophic. There is no sensible reason wanting to be able to turn this on and off at runtime. This is not just some extra checking. Paul. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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