From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753464AbZKTOAK (ORCPT ); Fri, 20 Nov 2009 09:00:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753214AbZKTOAJ (ORCPT ); Fri, 20 Nov 2009 09:00:09 -0500 Received: from vpn.id2.novell.com ([195.33.99.129]:29269 "EHLO vpn.id2.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753184AbZKTOAI convert rfc822-to-8bit (ORCPT ); Fri, 20 Nov 2009 09:00:08 -0500 Message-Id: <4B06AEFE02000078000211F4@vpn.id2.novell.com> X-Mailer: Novell GroupWise Internet Agent 8.0.1 Date: Fri, 20 Nov 2009 14:00:14 +0000 From: "Jan Beulich" To: , , Cc: Subject: [PATCH] x86: suppress stack overrun message for init_task Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org init_task doesn't get its stack end location set to STACK_END_MAGIC, and hence the message is confusing rather than helpful in this case. Signed-off-by: Jan Beulich --- arch/x86/mm/fault.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- linux-2.6.32-rc8/arch/x86/mm/fault.c +++ 2.6.32-rc8-x86-init-task-stack/arch/x86/mm/fault.c @@ -658,7 +658,7 @@ no_context(struct pt_regs *regs, unsigne show_fault_oops(regs, error_code, address); stackend = end_of_stack(tsk); - if (*stackend != STACK_END_MAGIC) + if (tsk != &init_task && *stackend != STACK_END_MAGIC) printk(KERN_ALERT "Thread overran stack, or stack corrupted\n"); tsk->thread.cr2 = address;