From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753492AbbLGHVI (ORCPT ); Mon, 7 Dec 2015 02:21:08 -0500 Received: from metis.ext.4.pengutronix.de ([92.198.50.35]:39462 "EHLO metis.ext.4.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752890AbbLGHVE (ORCPT ); Mon, 7 Dec 2015 02:21:04 -0500 Date: Mon, 7 Dec 2015 08:21:00 +0100 From: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= To: Arnd Bergmann Cc: Andrew Morton , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Daniel Cashman Subject: Re: [PATCH] ARM: avoid ARCH_MMAP_RND_BITS for NOMMU Message-ID: <20151207072100.GQ5072@pengutronix.de> References: <2874133.c4GDUf0t6t@wuerfel> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <2874133.c4GDUf0t6t@wuerfel> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Nov 27, 2015 at 03:04:03PM +0100, Arnd Bergmann wrote: > ARM kernels with MMU disabled fail to build because of CONFIG_ARCH_MMAP_RND_BITS: > > kernel/built-in.o:(.data+0x754): undefined reference to `mmap_rnd_bits' > kernel/built-in.o:(.data+0x76c): undefined reference to `mmap_rnd_bits_min' > kernel/built-in.o:(.data+0x770): undefined reference to `mmap_rnd_bits_max' > > This changes the newly added line to only select this allow for > MMU-enabled kernels. > > Signed-off-by: Arnd Bergmann > Fixes: 14570b3fd31a ("arm: mm: support ARCH_MMAP_RND_BITS") > --- > Found on yesterday's linux-next with ARM randconfig. The commit that > introduced this is currently in Andrew's tree. > > If you don't already have a fix, please either apply this patch on top, > or fold it into the original patch. hmm, our autobuilder still fails on this one because there has been no next release since some time. I hope the best for tomorrow's build :-) Anyhow, it fixes the build for efm32_defconfig, so Acked-by: Uwe Kleine-König Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |