Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261232AbTIOSak (ORCPT ); Mon, 15 Sep 2003 14:30:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261237AbTIOSak (ORCPT ); Mon, 15 Sep 2003 14:30:40 -0400 Received: from ns.suse.de ([195.135.220.2]:11423 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S261232AbTIOSaj (ORCPT ); Mon, 15 Sep 2003 14:30:39 -0400 To: Alan Cox Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] 2.6 workaround for Athlon/Opteron prefetch errata References: <200309150632.h8F6WnHb000589@81-2-122-30.bradfords.org.uk.suse.lists.linux.kernel> <1063611650.2674.1.camel@dhcp23.swansea.linux.org.uk.suse.lists.linux.kernel> From: Andi Kleen Date: 15 Sep 2003 20:29:45 +0200 In-Reply-To: <1063611650.2674.1.camel@dhcp23.swansea.linux.org.uk.suse.lists.linux.kernel> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 832 Lines: 15 Alan Cox writes: > Its kind of irrelevant when by saying "Athlon" you've added 128 byte ^^^^^^^ > alignment to all the cache friendly structure padding. There are systems > where memory matters, but spending a week chasing 300 bytes when you can > knock out 50K is a waste of everyones time. Do the 40K problems first I suspect Alan meant "P4" above, Athlon only adds 64byte padding. Default is 32 byte for 686. But it's interesting how a typo can serve as a basis for much further discussion in this thread @) -Andi - 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/