Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270993AbTHQU4U (ORCPT ); Sun, 17 Aug 2003 16:56:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271021AbTHQU4U (ORCPT ); Sun, 17 Aug 2003 16:56:20 -0400 Received: from ms-smtp-02.nyroc.rr.com ([24.92.226.49]:40901 "EHLO ms-smtp-02.nyroc.rr.com") by vger.kernel.org with ESMTP id S270993AbTHQU4S (ORCPT ); Sun, 17 Aug 2003 16:56:18 -0400 Message-ID: <3F3FEC73.9010206@maine.rr.com> Date: Sun, 17 Aug 2003 16:58:27 -0400 From: "David B. Stevens" User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.5a) Gecko/20030718 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Dave Jones CC: Jamie Lokier , michaelc , linux-kernel@vger.kernel.org Subject: Re: about PENTIUM4 cache line References: <865464921.20010309170338@turbolinux.com.cn> <20030817202534.GC3543@mail.jlokier.co.uk> <3F3FE763.20503@maine.rr.com> <20030817204514.GB2225@redhat.com> In-Reply-To: <20030817204514.GB2225@redhat.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1296 Lines: 51 Dave, Thanks that explains it. The layout as well as the size needs to be taken into account. Cheers, Dave Dave Jones wrote: > On Sun, Aug 17, 2003 at 04:36:51PM -0400, David B. Stevens wrote: > > What's even more interesting is the following: > > why ? > > > tux:/usr/src/linux-2.6.0-test3 # grep -r "CONFIG_X86_L1_CACHE_SHIFT" * > > arch/i386/defconfig:CONFIG_X86_L1_CACHE_SHIFT=7 > > arch/x86_64/defconfig:CONFIG_X86_L1_CACHE_SHIFT=6 > > correct default values for P4 and Hammer respectively. > > > include/asm-x86_64/cache.h:#define L1_CACHE_SHIFT > > (CONFIG_X86_L1_CACHE_SHIFT) > > Looks sane. > > > include/linux/autoconf.h:#define CONFIG_X86_L1_CACHE_SHIFT 5 > > compile-time generated from .config > > > include/asm-i386/cache.h:#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) > > include/asm/cache.h:#define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) > > looks sane > > > include/config/x86/l1/cache/shift.h:#define CONFIG_X86_L1_CACHE_SHIFT 5 > > compile time generated from .config. > > Dave > - 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/