netdev - Re: ixgbe: [RFC] [PATCH] Fix return of invalid txq

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Message-ID: <1266005575.2167.43.camel@localhost>
Date:	Fri, 12 Feb 2010 12:12:55 -0800
From:	Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>
To:	David Miller <davem@...emloft.net>
Cc:	"krkumar2@...ibm.com" <krkumar2@...ibm.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>
Subject: Re: ixgbe: [RFC] [PATCH] Fix return of invalid txq

On Fri, 2010-02-12 at 12:55 -0700, David Miller wrote:
> From: "Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@...el.com>
> Date: Sat, 16 Jan 2010 02:53:15 -0800
> 
> > Either way works though.  I still think the table is the better way
> > to go, because of the determinism for any system and NIC
> > configuration/layout.  The overhead of configuring the table is
> > taken during open(), so it's not in the hotpath at all.
> 
> How many minus operations can your cpu perform in the same amount
> of time it takes to access memory? :-)

Touche. :)

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