From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: Re: [PATCH net-next-2.6] igmp: Use next_net_device_rcu() Date: Wed, 11 Nov 2009 21:14:35 -0800 Message-ID: <20091111211435.570b259a@nehalam> References: <4AFB85A4.1050408@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: "David S. Miller" , Linux Netdev List To: Eric Dumazet Return-path: Received: from mail.vyatta.com ([76.74.103.46]:59918 "EHLO mail.vyatta.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750902AbZKLFPA (ORCPT ); Thu, 12 Nov 2009 00:15:00 -0500 In-Reply-To: <4AFB85A4.1050408@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: On Thu, 12 Nov 2009 04:48:52 +0100 Eric Dumazet wrote: > We need to use next_det_device_rcu() in RCU protected section. > > We also can avoid in_dev_get()/in_dev_put() overhead (code size mainly) > in rcu_read_lock() sections. > > Signed-off-by: Eric Dumazet Acked-by: Stephen Hemminger --