Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932480AbXARUCA (ORCPT ); Thu, 18 Jan 2007 15:02:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932583AbXARUB7 (ORCPT ); Thu, 18 Jan 2007 15:01:59 -0500 Received: from moutng.kundenserver.de ([212.227.126.171]:49330 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932480AbXARUB7 (ORCPT ); Thu, 18 Jan 2007 15:01:59 -0500 X-Greylist: delayed 322 seconds by postgrey-1.27 at vger.kernel.org; Thu, 18 Jan 2007 15:01:58 EST From: Bodo Eggert <7eggert@gmx.de> Subject: Re: [patch 03/26] Dynamic kernel command-line - arm To: Alon Bar-Lev , Bernhard Walle , linux-kernel@vger.kernel.org, Alon Bar-Lev Reply-To: 7eggert@gmx.de Date: Thu, 18 Jan 2007 20:56:18 +0100 References: <7EFbN-34r-3@gated-at.bofh.it> <7EFbV-34r-45@gated-at.bofh.it> <7EGhI-4Rq-11@gated-at.bofh.it> <7EGKC-5vh-15@gated-at.bofh.it> User-Agent: KNode/0.7.2 MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8Bit Message-Id: X-be10.7eggert.dyndns.org-MailScanner-Information: See www.mailscanner.info for information X-be10.7eggert.dyndns.org-MailScanner: Found to be clean X-be10.7eggert.dyndns.org-MailScanner-From: 7eggert@gmx.de X-Provags-ID: kundenserver.de abuse@kundenserver.de login:9b3b2cc444a07783f194c895a09f1de9 X-Provags-ID2: V01U2FsdGVkX1+UoLYnIdcugLttNNngXEGV9j/enIkBZwiY03MZfFOZ6k5+oorEfhCILYSF+TunZOuNwmGVYPXqPeyN2uzEXMNoZ/caywgYBJ+j1UsrNrPgiQ== Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1190 Lines: 30 Alon Bar-Lev wrote: > On 1/18/07, Russell King wrote: >> On Thu, Jan 18, 2007 at 01:58:52PM +0100, Bernhard Walle wrote: >> > 2. Set command_line as __initdata. >> You can't. >> >> > -static char command_line[COMMAND_LINE_SIZE]; >> > +static char __initdata command_line[COMMAND_LINE_SIZE]; >> >> Uninitialised data is placed in the BSS. Adding __initdata to BSS >> data causes grief. > There are many places in kernel that uses __initdata for uninitialized > variables. > > For example: > static int __initdata is_chipset_set[MAX_HWIFS]; > > So all these current places are wrong? > If I initialize the data will it be OK. objdump -t vmlinux |grep -3 is_chipset_set suggests that it's placed into .init.data here, not into .bss. -- Top 100 things you don't want the sysadmin to say: 92. What software license? Fri?, Spammer: kq@izs.zi.7eggert.dyndns.org P-@aPN2Oo0.7eggert.dyndns.org - 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/