From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935793AbWK1KGs (ORCPT ); Tue, 28 Nov 2006 05:06:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S935796AbWK1KGs (ORCPT ); Tue, 28 Nov 2006 05:06:48 -0500 Received: from nic.NetDirect.CA ([216.16.235.2]:28907 "EHLO rubicon.netdirect.ca") by vger.kernel.org with ESMTP id S935793AbWK1KGr (ORCPT ); Tue, 28 Nov 2006 05:06:47 -0500 X-Originating-Ip: 72.57.81.197 Date: Tue, 28 Nov 2006 05:02:41 -0500 (EST) From: "Robert P. J. Day" X-X-Sender: rpjday@localhost.localdomain To: Linux kernel mailing list Subject: mismatch between default and defconfig LOG_BUF_SHIFT values Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Net-Direct-Inc-MailScanner-Information: Please contact the ISP for more information X-Net-Direct-Inc-MailScanner: Found to be clean X-Net-Direct-Inc-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=-16.8, required 5, ALL_TRUSTED -1.80, BAYES_00 -15.00) X-Net-Direct-Inc-MailScanner-From: rpjday@mindspring.com Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org not like it's a big deal, but there's a minor incongruity between the default values for LOG_BUF_SHIFT for IA64 depending on whether you're configuring for the first time or not. if i'm configuring with a fresh tree for the first time (so that there's no .config file) and i run: $ make ARCH=ia64 menuconfig (on my x86 system, just for fun) then the initial value for LOG_BUF_SHIFT is obtained from arch/ia64/defconfig: CONFIG_LOG_BUF_SHIFT=20 however, once i do that initial config, if i deselect "Kernel debugging" and later reselect it, the new default value of 16 for that config option comes from lib/Kconfig.debug: ... config LOG_BUF_SHIFT int "Kernel log buffer size (16 => 64KB, 17 => 128KB)" if DEBUG_KERNEL range 12 21 default 17 if S390 || LOCKDEP default 16 if X86_NUMAQ || IA64 <-- 16, not 20 ... is it worth trying to bring the Kconfig.debug default values into line with the defconfig file values, to avoid any possible confusion? rday