From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2993050AbXBQS1H (ORCPT ); Sat, 17 Feb 2007 13:27:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2993051AbXBQS1H (ORCPT ); Sat, 17 Feb 2007 13:27:07 -0500 Received: from hancock.steeleye.com ([71.30.118.248]:50677 "EHLO hancock.sc.steeleye.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2993050AbXBQS1G (ORCPT ); Sat, 17 Feb 2007 13:27:06 -0500 Subject: Re: 2.6.20-git: undefined reference to `smp_call_function_single' From: James Bottomley To: tglx@linutronix.de Cc: Len Brown , Ingo Molnar , lkml - Kernel Mailing List In-Reply-To: <1171707924.30834.111.camel@localhost.localdomain> References: <200702162108.01206.lenb@kernel.org> <1171707924.30834.111.camel@localhost.localdomain> Content-Type: text/plain Date: Sat, 17 Feb 2007 12:25:45 -0600 Message-Id: <1171736745.3379.24.camel@mulgrave.il.steeleye.com> Mime-Version: 1.0 X-Mailer: Evolution 2.8.3 (2.8.3-1.fc6) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2007-02-17 at 11:25 +0100, Thomas Gleixner wrote: > On Fri, 2007-02-16 at 21:08 -0500, Len Brown wrote: > > Yes, an obscure .config, but it used to build before today: > > > > kernel/built-in.o: In function `tick_broadcast_on_off': > > (.text+0x1b6f0): undefined reference to `smp_call_function_single' > > Yup, this obscure machine is missing smp_call_function_single(). > > James ? Where's this coming from? smp_call_function_single() is an obscure kvm only API think for x86/ia64 ... it's not supported on any other architecure. The symbol you have is blowing up in the kernel subdirectory which suggests someone has tried to use it in generic code, which will fail to compile on a lot more than voyager and parisc ... James