From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758495Ab2HHOl6 (ORCPT ); Wed, 8 Aug 2012 10:41:58 -0400 Received: from cantor2.suse.de ([195.135.220.15]:35063 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758134Ab2HHOl5 (ORCPT ); Wed, 8 Aug 2012 10:41:57 -0400 Message-ID: <50227AB0.6010301@suse.cz> Date: Wed, 08 Aug 2012 16:41:52 +0200 From: Michal Marek User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:9.0) Gecko/20111220 Thunderbird/9.0 MIME-Version: 1.0 To: David Cullen Cc: "linux-kernel@vger.kernel.org" Subject: Re: [RFC PATCH] ARM Fix /usr/bin/xargs: etags: Argument list too long References: <50227893.7070600@koe-americas.com> In-Reply-To: <50227893.7070600@koe-americas.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dne 8.8.2012 16:32, David Cullen napsal(a): > Patch applies to > > commit 42a579a0f960081cd16fc945036e4780c3ad3202 > > When running "make ARCH=arm TAGS" in a chroot using qemu-arm-static, > the following message is emitted: > > [user@host:/home/work/linux]: make ARCH=arm TAGS > GEN TAGS > /usr/bin/xargs: etags: Argument list too long > > This can be fixed by by passing "-L 1024" to xargs in scripts/tags.sh. > > The "1024" was a guess. A value of "3862" changes the message to > > /usr/bin/xargs: argument list too long > > Using "2048" also fixes the problem. However, I don't know how much > headroom that leaves > > Does anyone know why the argument lists must be shorter for ARM? All > of the documentation I have available says that 4096 should be the > limit. This looks like a bug in xargs, it should make sure that the commandline fits into ARG_MAX. BTW, a better workaround would be to use the -s option, which limits the size of the argument list. Michal