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Date: Mon, 8 Oct 2001 10:03:57 -0500 (CDT)
From: Jeff Garzik <jgarzik@mandrakesoft.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
cc: Andrea Arcangeli <andrea@suse.de>, Ingo Molnar <mingo@elte.hu>,
        jamal <hadi@cyberus.ca>, Linux-Kernel <linux-kernel@vger.kernel.org>,
        netdev@oss.sgi.com, Linus Torvalds <torvalds@transmeta.com>
Subject: Re: [announce] [patch] limiting IRQ load, irq-rewrite-2.4.11-B5
In-Reply-To: <E15qbtV-0000hd-00@the-village.bc.nu>
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On Mon, 8 Oct 2001, Alan Cox wrote:
> > Of course we agree that such a "polling router/firewall" behaviour must
> > not be the default but it must be enabled on demand by the admin via
> > sysctl or whatever else userspace API. And I don't see any problem with
> > that.
> 
> No I don't agree. "Stop random end users crashing my machine at will" is not
> a magic sysctl option - its a default. 

I think (Ingo's?) analogy of an airbag was appropriate, if that's indeed
how the code winds up functioning.

Having a mechanism that prevents what would otherwise be a lockup is
useful.  NAPI is useful.  Having both would be nice :)

	Jeff




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