From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next-2.6] packet: less dev_put() calls Date: Mon, 02 Nov 2009 03:42:57 -0800 (PST) Message-ID: <20091102.034257.226927042.davem@davemloft.net> References: <4AEEA9C4.6040305@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: eric.dumazet@gmail.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:39615 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754324AbZKBLmd (ORCPT ); Mon, 2 Nov 2009 06:42:33 -0500 In-Reply-To: <4AEEA9C4.6040305@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Mon, 02 Nov 2009 10:43:32 +0100 > - packet_sendmsg_spkt() can use dev_get_by_name_rcu() to avoid touching device refcount. > > - packet_getname_spkt() & packet_getname() can use dev_get_by_index_rcu() to > avoid touching device refcount too. > > tpacket_snd() & packet_snd() can not use RCU yet because they can sleep when > allocating skb. > > Signed-off-by: Eric Dumazet You're unstoppable :-) Applied.