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Re: Queue and SMP locking discussion (was Re: 3c59x.c)

To: kuznet@xxxxxxxxxxxxx
Subject: Re: Queue and SMP locking discussion (was Re: 3c59x.c)
From: jamal <hadi@xxxxxxxxxx>
Date: Mon, 3 Apr 2000 07:21:59 -0400 (EDT)
Cc: Donald Becker <becker@xxxxxxxxx>, netdev@xxxxxxxxxxx
In-reply-to: <200004021634.UAA06582@xxxxxxxxxxxxx>
Sender: owner-netdev@xxxxxxxxxxx

On Sun, 2 Apr 2000 kuznet@xxxxxxxxxxxxx wrote:

> Hello!
> 
> > Just queuing the packet in netif_rx() *should* take minimal extra work, and
> > have minimal cache impact.  Dropping the packet because the queue layer is
> > full should take even less work.
> 
> It is true, it does not take any time. But we need not this.

Looking at my notes: 2.3 just swallows as much as 2.2. Maybe this is chip
dependent as Robert was implying? I have a 21143 chip. I should easily be
able to check the exact revision numbers from the PCI messages if someone
is interested. The h/ware is a 4-port ccard made by Znyx.

cheers,
jamal


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