Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754448AbZLXEJH (ORCPT ); Wed, 23 Dec 2009 23:09:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751755AbZLXEJF (ORCPT ); Wed, 23 Dec 2009 23:09:05 -0500 Received: from mail.windriver.com ([147.11.1.11]:56801 "EHLO mail.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751478AbZLXEJE (ORCPT ); Wed, 23 Dec 2009 23:09:04 -0500 Message-ID: <4B32E95C.3030201@windriver.com> Date: Wed, 23 Dec 2009 22:09:00 -0600 From: Jason Wessel User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Stephen Rothwell CC: linux-next@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: linux-next: kgdb tree build warning References: <20091224104812.7f2495f3.sfr@canb.auug.org.au> In-Reply-To: <20091224104812.7f2495f3.sfr@canb.auug.org.au> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 24 Dec 2009 04:09:01.0308 (UTC) FILETIME=[D2D6ABC0:01CA844E] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1022 Lines: 28 Stephen Rothwell wrote: > Hi Jason, > > Today's linux-next build (x86_64_allmodconfig) produced this warning: > > kernel/debug/kdb/kdb_bp.c: In function 'kdb_bp': > kernel/debug/kdb/kdb_bp.c:434: warning: the frame size of 32880 bytes is larger than 2048 bytes > > Introduced by commit 16f40ed7bd0ad29dcde7a05b8a07f5ba10937277 ("kdb: core > for kgdb back end"). > > Using gcc 4.3, I did not see this error. What compiler or compiler options did you use to get this? I assume it means the stack space was exhausted and a casual glance at the code did not yield anything obvious like a large array on the stack or anything. It is conceivable that there is an inline function that is the source of the problem, but I would like to be able to duplicate it. Thanks, Jason. -- 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/