Messages in this thread | | | Subject | Re: [announce] [patch] limiting IRQ load, irq-rewrite-2.4.11-B5 | Date | Mon, 8 Oct 2001 16:22:16 +0100 (BST) | From | Alan Cox <> |
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> On Mon, 8 Oct 2001, Alan Cox wrote: > > > NAPI is important - the irq disable tactic is a last resort. If the right > > hardware is irq flood aware it should only ever trigger to save us from > > irq routing errors (eg cardbus hangs) > > Agreed. As long as the IRQ flood protector can do proper isolation. > Here's hat i see on my dell latitude laptop with a built in ethernet (not > cardbus related ;->)
It doesnt save you from horrible performance. NAPI is there to do that, it saves you from a dead box. You can at least rmmod the cardbus controller with protection in place (or go looking for the problem with a debugger) - 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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