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Re: [announce] [patch] limiting IRQ load, irq-rewrite-2.4.11-B5

To: Ingo Molnar <mingo@xxxxxxx>
Subject: Re: [announce] [patch] limiting IRQ load, irq-rewrite-2.4.11-B5
From: jamal <hadi@xxxxxxxxxx>
Date: Thu, 4 Oct 2001 07:41:39 -0400 (EDT)
Cc: Alexey Kuznetsov <kuznet@xxxxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, Robert Olsson <Robert.Olsson@xxxxxxxxxxx>, <bcrl@xxxxxxxxxx>, <netdev@xxxxxxxxxxx>, Linus Torvalds <torvalds@xxxxxxxxxxxxx>, Alan Cox <alan@xxxxxxxxxxxxxxxxxxx>
In-reply-to: <Pine.LNX.4.33.0110040831020.1727-100000@localhost.localdomain>
Sender: owner-netdev@xxxxxxxxxxx

On Thu, 4 Oct 2001, Ingo Molnar wrote:

> i'm asking the following thing. dev->quota, as i read the patch now, can
> cause extra calls to ->poll() even though the RX ring of that particular
> device is empty and the driver has indicated it's done processing RX
> packets. (i'm now assuming that the extra-polling-for-a-jiffy line in the
> current patch is removed - that one is a showstopper to begin with.) Is
> this claim of mine correct?

There should be no extra calls to ->poll() and if there are we should
fix them. Take a look at the state machine i posted earlier.
The one liner is removed.

cheers,
jamal


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