From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932291AbZBEBTi (ORCPT ); Wed, 4 Feb 2009 20:19:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759639AbZBEBTQ (ORCPT ); Wed, 4 Feb 2009 20:19:16 -0500 Received: from gate.crashing.org ([63.228.1.57]:48957 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759141AbZBEBTP (ORCPT ); Wed, 4 Feb 2009 20:19:15 -0500 Subject: Re: [PATCH 2/3] powerpc: Make it possible to safely select CONFIG_FRAME_POINTER From: Benjamin Herrenschmidt To: Steven Rostedt Cc: Anton Vorontsov , Ingo Molnar , Paul Mackerras , linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org In-Reply-To: <1233794154.16878.20.camel@localhost.localdomain> References: <20090204150755.GA24163@oksana.dev.rtsoft.ru> <20090204150838.GB30027@oksana.dev.rtsoft.ru> <1233793889.4612.33.camel@pasglop> <1233794154.16878.20.camel@localhost.localdomain> Content-Type: text/plain Date: Thu, 05 Feb 2009 12:15:31 +1100 Message-Id: <1233796531.4612.35.camel@pasglop> Mime-Version: 1.0 X-Mailer: Evolution 2.24.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2009-02-04 at 19:35 -0500, Steven Rostedt wrote: > On Thu, 2009-02-05 at 11:31 +1100, Benjamin Herrenschmidt wrote: > > On Wed, 2009-02-04 at 18:08 +0300, Anton Vorontsov wrote: > > > Remove -fno-omit-frame-pointer flag from CFLAGS. > > > Remove -fno-omit-frame-pointer workarounds. > > > > But what about -pg -requires -fno-omit-frame-pointer ? > > I don't think it requires -fno-omit-frame-pointer. It is just > incompatible with -fomit-frame-pointer. >>From a quick test, you seem to be right. Now the question of course is whether -pg will internally trigger the bug for which we need the workaround tho... Ben.