Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761049Ab3JPQzM (ORCPT ); Wed, 16 Oct 2013 12:55:12 -0400 Received: from smtprelay0071.hostedemail.com ([216.40.44.71]:39400 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1760870Ab3JPQzJ (ORCPT ); Wed, 16 Oct 2013 12:55:09 -0400 X-Session-Marker: 6A6F6540706572636865732E636F6D X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,joe@perches.com,:::::::::::::::::,RULES_HIT:41:355:379:541:599:988:989:1260:1261:1277:1311:1313:1314:1345:1359:1373:1437:1515:1516:1518:1534:1537:1561:1593:1594:1711:1714:1730:1747:1777:1792:2393:2559:2562:2828:3138:3139:3140:3141:3142:3622:3865:3867:3872:4321:5007:7652:10004:10400:10848:11232:11658:11914:12517:12519:12740:13069:13311:13357,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0 X-HE-Tag: dime14_49c7823cbc147 X-Filterd-Recvd-Size: 1730 Message-ID: <1381942505.22110.61.camel@joe-AO722> Subject: Re: [PATCH] x86: Run checksumming in parallel accross multiple alu's From: Joe Perches To: Ingo Molnar Cc: Eric Dumazet , Neil Horman , linux-kernel@vger.kernel.org, sebastien.dugue@bull.net, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org Date: Wed, 16 Oct 2013 09:55:05 -0700 In-Reply-To: <20131016062541.GA21276@gmail.com> References: <1381510298-20572-1-git-send-email-nhorman@tuxdriver.com> <20131012172124.GA18241@gmail.com> <20131014202854.GH26880@hmsreliant.think-freely.org> <1381785560.2045.11.camel@edumazet-glaptop.roam.corp.google.com> <1381789127.2045.22.camel@edumazet-glaptop.roam.corp.google.com> <1381790278.16896.2.camel@joe-AO722> <1381790686.2045.24.camel@edumazet-glaptop.roam.corp.google.com> <1381790982.16896.7.camel@joe-AO722> <20131015074123.GB25493@gmail.com> <1381854064.22110.16.camel@joe-AO722> <20131016062541.GA21276@gmail.com> Content-Type: text/plain; charset="ISO-8859-1" X-Mailer: Evolution 3.6.4-0ubuntu1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 491 Lines: 13 On Wed, 2013-10-16 at 08:25 +0200, Ingo Molnar wrote: > Prefetch takes memory from L2->L1 memory > just as much as it moves it cachelines from memory to the L2 cache. Yup, mea culpa. I thought the prefetch was still to L1 like the Pentium. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/