Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932230AbWIIOpC (ORCPT ); Sat, 9 Sep 2006 10:45:02 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932235AbWIIOpB (ORCPT ); Sat, 9 Sep 2006 10:45:01 -0400 Received: from cantor2.suse.de ([195.135.220.15]:30665 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S932231AbWIIOo7 (ORCPT ); Sat, 9 Sep 2006 10:44:59 -0400 From: Andi Kleen To: Heiko Carstens Subject: Re: 2.6.18-rc6-mm1 - x86_64-mm-lockdep-dont-force-framepointer.patch Date: Sat, 9 Sep 2006 15:39:00 +0200 User-Agent: KMail/1.9.1 Cc: Andrew Morton , linux-kernel@vger.kernel.org, Martin Schwidefsky References: <20060908011317.6cb0495a.akpm@osdl.org> <20060908122327.GD6913@osiris.boeblingen.de.ibm.com> In-Reply-To: <20060908122327.GD6913@osiris.boeblingen.de.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200609091539.00489.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1352 Lines: 43 On Friday 08 September 2006 14:23, Heiko Carstens wrote: > x86_64-mm-lockdep-dont-force-framepointer.patch does this: > > Don't force frame pointers for lockdep > > > > Now that stacktrace supports dwarf2 don't force frame pointers for > > lockdep anymore > > > > Cc: mingo@elte.hu > > Signed-off-by: Andi Kleen > > > > --- > > lib/Kconfig.debug | 1 - > > 1 files changed, 1 deletion(-) > > > > Index: linux/lib/Kconfig.debug > > =================================================================== > > --- linux.orig/lib/Kconfig.debug > > +++ linux/lib/Kconfig.debug > > @@ -218,7 +218,6 @@ config LOCKDEP > > bool > > depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && > > STACKTRACE_SUPPORT && LOCKDEP_SUPPORT select STACKTRACE > > - select FRAME_POINTER > > This patch affects all architecture. I'd like to keep the "select > FRAME_POINTER" for s390, since we don't support dwarf2. Perhaps you should port the unwinder then? I know you use it in userland. > So this patch should be dropped. I changed it now to add a if !X86 so it should be ok now -Andi - 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/