From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] ipv4: Fix input route performance regression. Date: Thu, 26 Jul 2012 15:53:35 -0700 (PDT) Message-ID: <20120726.155335.1853505326933171952.davem@davemloft.net> References: <20120726.141438.1996323620706359167.davem@davemloft.net> <1343340989.2626.12087.camel@edumazet-glaptop> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: alexander.duyck@gmail.com, netdev@vger.kernel.org To: eric.dumazet@gmail.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:57000 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753057Ab2GZWxf (ORCPT ); Thu, 26 Jul 2012 18:53:35 -0400 In-Reply-To: <1343340989.2626.12087.camel@edumazet-glaptop> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Fri, 27 Jul 2012 00:16:29 +0200 > On Thu, 2012-07-26 at 14:14 -0700, David Miller wrote: >> With the routing cache removal we lost the "noref" code paths on >> input, and this can kill some routing workloads. >> >> Reinstate the noref path when we hit a cached route in the FIB >> nexthops. >> >> With help from Eric Dumazet. >> >> Reported-by: Alexander Duyck >> Signed-off-by: David S. Miller > > Signed-off-by: Eric Dumazet Thanks for reviewing.