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Date: Wed, 03 Oct 2001 11:29:14 +0200
From: Helge Hafting <helgehaf@idb.hist.no>
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To: mingo@elte.hu, linux-kernel@vger.kernel.org
Subject: Re: [announce] [patch] limiting IRQ load, irq-rewrite-2.4.11-B5
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Ingo Molnar wrote:

> 500 MHz PIII UP server, 433 MHz client over a single 100 mbit ethernet
> using Simon Kirby's udpspam tool to overload the server. Result: 2.4.10
> locks up before the patch. 2.4.10 with the first generation irqrate patch
> applied protects against the lockup (if max_rate is correct), but results
> in dropped packets. The auto-tuning+polling patch results in a working
> system and working network, no lockup and no dropped packets. Why this
> happened and how it happened has been discussed extensively.

I hope we get some variant of this in 2.4.  A device callback
stopping rx interrupts only is of course even better, but
won't that be 2.5 stuff?

Helge Hafting
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