Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758225AbXIFWfM (ORCPT ); Thu, 6 Sep 2007 18:35:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756533AbXIFWe6 (ORCPT ); Thu, 6 Sep 2007 18:34:58 -0400 Received: from pasmtpb.tele.dk ([80.160.77.98]:56098 "EHLO pasmtpB.tele.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756348AbXIFWe5 (ORCPT ); Thu, 6 Sep 2007 18:34:57 -0400 Date: Fri, 7 Sep 2007 00:36:17 +0200 From: Sam Ravnborg To: Denys Vlasenko Cc: kai@germaschewski.name, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] build system: section garbage collection for vmlinux Message-ID: <20070906223617.GB10101@uranus.ravnborg.org> References: <200709051443.21522.vda.linux@googlemail.com> <200709051447.00774.vda.linux@googlemail.com> <20070905200750.GA30812@uranus.ravnborg.org> <200709061159.41133.vda.linux@googlemail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200709061159.41133.vda.linux@googlemail.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1543 Lines: 34 On Thu, Sep 06, 2007 at 11:59:41AM +0100, Denys Vlasenko wrote: > On Wednesday 05 September 2007 21:07, Sam Ravnborg wrote: > > On Wed, Sep 05, 2007 at 02:47:00PM +0100, Denys Vlasenko wrote: > > > On Wednesday 05 September 2007 14:43, Denys Vlasenko wrote: > > > > These patches fix section names and add > > > > CONFIG_DISCARD_UNUSED_SECTIONS. It is not enabled > > > > unconditionally because only newest binutils have > > > > ld --gc-sections which is stable enough for kernel use. > > > > IOW: this is an experimental feature for now. > > > > > > Part 1: fix section names over entire source (all arches). > > > > > > Patch is big and boring global s/.text.lock/.text_lock/ > > > type thing. > > > > The normal naming scheme seems to be: > > ..text so in your example it would be: .lock.text > > See the naming og init and exit sections (that was renamed > > during 2.5 to be compatible with -ffunction-sections). > > Thanks, will do it that way. I plan to re-submit patches for inclusion > into 2.6.24. This should simmer in -mm for a few weeks at minimum before hitting mainline. I would cosider it 2.6.25 material. We could use the 2.6.23 timeframe to bring up all the linker script file to a level where adding all the KEEP's are mostly done in the generic vmlinux.h file. Sam - 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/