Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932456AbVIMU0N (ORCPT ); Tue, 13 Sep 2005 16:26:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932394AbVIMU0M (ORCPT ); Tue, 13 Sep 2005 16:26:12 -0400 Received: from dsl027-180-168.sfo1.dsl.speakeasy.net ([216.27.180.168]:2518 "EHLO sunset.davemloft.net") by vger.kernel.org with ESMTP id S932337AbVIMU0K (ORCPT ); Tue, 13 Sep 2005 16:26:10 -0400 Date: Tue, 13 Sep 2005 13:26:07 -0700 (PDT) Message-Id: <20050913.132607.113443001.davem@davemloft.net> To: shemminger@osdl.org Cc: kiran@scalex86.org, akpm@osdl.org, linux-kernel@vger.kernel.org, dipankar@in.ibm.com, bharata@in.ibm.com, shai@scalex86.org, rusty@rustcorp.com.au, netdev@vger.kernel.org Subject: Re: [patch 7/11] net: Use bigrefs for net_device.refcount From: "David S. Miller" In-Reply-To: <20050913092659.791bddec@localhost.localdomain> References: <20050913155112.GB3570@localhost.localdomain> <20050913161012.GI3570@localhost.localdomain> <20050913092659.791bddec@localhost.localdomain> X-Mailer: Mew version 4.2.53 on Emacs 21.4 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 682 Lines: 17 From: Stephen Hemminger Date: Tue, 13 Sep 2005 09:26:59 -0700 > Since when is bringing a network device up/down performance critical? The issue is the dev_get()'s that occur all over the place to during packet transmit/receive, that's what they are trying to address. I'm still against all of these invasive NUMA changes to the networking though, they are simply too ugly and special cased to consider seriously. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/