Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752649Ab3I0J03 (ORCPT ); Fri, 27 Sep 2013 05:26:29 -0400 Received: from b.ns.miles-group.at ([95.130.255.144]:1663 "EHLO radon.swed.at" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752828Ab3I0J00 (ORCPT ); Fri, 27 Sep 2013 05:26:26 -0400 Message-ID: <52454F38.60902@nod.at> Date: Fri, 27 Sep 2013 11:26:16 +0200 From: Richard Weinberger User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130620 Thunderbird/17.0.7 MIME-Version: 1.0 To: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= CC: Ramkumar Ramachandra , linux-arch@vger.kernel.org, Michal Marek , geert@linux-m68k.org, ralf@linux-mips.org, lethal@linux-sh.org, Jeff Dike , gxt@mprc.pku.edu.cn, Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, linux-kbuild@vger.kernel.org, LKML , linux-m68k@vger.kernel.org, linux-mips@linux-mips.org, linux-sh@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net Subject: Re: [PATCH 1/8] um: Create defconfigs for i386 and x86_64 References: <1377073172-3662-1-git-send-email-richard@nod.at> <1377073172-3662-2-git-send-email-richard@nod.at> <52440DE0.1030807@nod.at> <52454E58.3010305@gmx.de> In-Reply-To: <52454E58.3010305@gmx.de> X-Enigmail-Version: 1.5.2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2036 Lines: 51 Am 27.09.2013 11:22, schrieb Toralf Förster: > On 09/26/2013 12:35 PM, Richard Weinberger wrote: >> Am 26.09.2013 12:20, schrieb Ramkumar Ramachandra: >>> Richard Weinberger wrote: >>>> This patch is based on: https://lkml.org/lkml/2013/7/4/396 >>>> >>>> Cc: Ramkumar Ramachandra >>>> Signed-off-by: Richard Weinberger >>>> --- >>>> arch/um/configs/i386_defconfig | 954 +++++++++++++++++++++++++++++++++++++++ >>>> arch/um/configs/x86_64_defconfig | 943 ++++++++++++++++++++++++++++++++++++++ >>>> 2 files changed, 1897 insertions(+) >>>> create mode 100644 arch/um/configs/i386_defconfig >>>> create mode 100644 arch/um/configs/x86_64_defconfig >>> >>> First, I'm pissed that the upstream tree doesn't build and run out of >>> the box months after I submitted a fix in July (and it's September >>> now). Fact that you dropped my sane patches aside and decided to write >>> a much larger series aside, user-mode Linux in upstream is broken. >>> This means that any user who does: >>> >>> $ ARCH=um make defconfig >>> $ ARCH=um make >>> >>> will end up with a *broken* Linux _today_. Unless the user is living >>> in the Stone Age with a 32-bit computer, this is what she will see >>> when she attempts to boot up Linux: > > :-{ > > Grmpf > > There are a lot of 32 bit user land linux installation (beside my own, > look at the x86 Gentoo world) in the wild - even running on modern 64bit > CPUs. The simple reason is that those installations run fine and the > performance "boost" of 64bit often isn't worth a new reinstallation. You *can* of course run 32bit userland on UML. Just create a 32bit UML on x86_64. make defconfig ARCH=um SUBARCH=i386 make linux ARCH=um SUBARCH=i386 This will work on x86_64 and x86 hosts. Thanks, //richard -- 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/