Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756071AbXKWI74 (ORCPT ); Fri, 23 Nov 2007 03:59:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753374AbXKWI7r (ORCPT ); Fri, 23 Nov 2007 03:59:47 -0500 Received: from mail-in-16.arcor-online.net ([151.189.21.56]:40125 "EHLO mail-in-16.arcor-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753284AbXKWI7q (ORCPT ); Fri, 23 Nov 2007 03:59:46 -0500 Date: Fri, 23 Nov 2007 09:59:43 +0100 From: Andreas Herrmann To: "Kirill A. Shutemov" Cc: Thomas Gleixner , Andrew Morton , LKML , Sam Ravnborg , Ingo Molnar Subject: Re: 2.6.24-rc3-mm1 Message-ID: <20071123085943.GA5306@devil> References: <20071120204525.ff27ac98.akpm@linux-foundation.org> <20071122102205.GD7085@localhost.localdomain> <20071122161826.61515a6d.akpm@linux-foundation.org> <20071123060544.GB28946@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071123060544.GB28946@localhost.localdomain> User-Agent: mutt-ng/devel-r804 (Linux) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1591 Lines: 52 On Fri, Nov 23, 2007 at 08:05:44AM +0200, Kirill A. Shutemov wrote: > On [Fri, 23.11.2007 01:48], Thomas Gleixner wrote: > > On Thu, 22 Nov 2007, Andrew Morton wrote: > > > > > On Thu, 22 Nov 2007 12:22:05 +0200 "Kirill A. Shutemov" wrote: > > > > > > > On x86_64 'uname -m' return 'x86'. It break many userspace programs. apt > > > > and rpm for example. > > > > > > > > > > Yes, there have been various discussions about this. I think Sam is cooking up > > > a fix? > > > > http://lkml.org/lkml/2007/11/19/323 > > > > I push it Linus wards ASAP. > diff --git a/arch/x86/Makefile b/arch/x86/Makefile > index 116b03a..7aa1dc6 100644 > --- a/arch/x86/Makefile > +++ b/arch/x86/Makefile > @@ -11,10 +11,9 @@ endif > $(srctree)/arch/x86/Makefile%: ; > > ifeq ($(CONFIG_X86_32),y) > + UTS_MACHINE := i386 > include $(srctree)/arch/x86/Makefile_32 > else > + UTS_MACHINE := x86_64 > include $(srctree)/arch/x86/Makefile_64 > endif > > Many programs expect i686 on Pentium II. Yes, but this is done during boot. Then the kernel overwrites "i386" to become "i686" for such CPUs. That is why I've seen "x66" after boot when UTS_MACHINE at build-time was "x86" with 'make ARCH=x86'. For more details see: http://marc.info/?l=linux-kernel&m=119521309415545&w=2 Regards, Andreas - 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/