From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kolasa Subject: Re: something is wrong in commit 971f10eca1 - tcp: better TCP_SKB_CB layout to reduce cache line misses Date: Wed, 15 Oct 2014 22:20:05 +0200 Message-ID: <543ED6F5.4080901@winsoft.pl> References: <20141014.164705.1874094084240216813.davem@davemloft.net> <20141014.171559.1355616486999711590.davem@davemloft.net> <1413323024.17109.11.camel@edumazet-glaptop2.roam.corp.google.com> <543E4DD8.80203@winsoft.pl> <1413372422.17365.10.camel@edumazet-glaptop2.roam.corp.google.com> <543E5D1F.2020207@winsoft.pl> <1413387152.17365.26.camel@edumazet-glaptop2.roam.corp.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2; format=flowed Content-Transfer-Encoding: 7bit Cc: Cong Wang , David Miller , Eric Dumazet , netdev To: Eric Dumazet Return-path: Received: from vps01.winsoft.pl ([5.133.9.51]:43677 "EHLO vps01.winsoft.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750721AbaJOUUL (ORCPT ); Wed, 15 Oct 2014 16:20:11 -0400 In-Reply-To: <1413387152.17365.26.camel@edumazet-glaptop2.roam.corp.google.com> Sender: netdev-owner@vger.kernel.org List-ID: W dniu 15.10.2014 o 17:32, Eric Dumazet pisze: > On Wed, 2014-10-15 at 13:40 +0200, Krzysztof Kolasa wrote: > >> on a 32bit system, the patch did not solve the problem :( >> I have exactly the same problem as before the patch > > You mean Cong patch ? Yes > >> I do not understand this, perhaps the problem is hidden somewhere else, >> one thing is certain after revert commit 971f10eca1 everything works >> correctly >> > Can you privately send me the vmlinux file ? > > It might be a compiler issue... > > > I sent the file