From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 2/2] ipv4: Properly purge netdev references on uncached routes. Date: Fri, 24 Aug 2012 11:45:37 -0400 (EDT) Message-ID: <20120824.114537.1737590837215529536.davem@davemloft.net> References: <20120731154455.2acf97a8@nehalam.linuxnetplumber.net> <20120731.160408.994710172149748635.davem@davemloft.net> <1345822847.19483.8.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: shemminger@vyatta.com, netdev@vger.kernel.org To: eric.dumazet@gmail.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:53707 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759566Ab2HXPpl (ORCPT ); Fri, 24 Aug 2012 11:45:41 -0400 In-Reply-To: <1345822847.19483.8.camel@edumazet-glaptop> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Fri, 24 Aug 2012 17:40:47 +0200 > We might have an SMP performance regression on multicast traffic, > because DST_NOCACHE is set on such routes. > > What about the following ? I'm fine with this and will apply it to 'net', thanks Eric!