From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 24AA6DDDEF for ; Thu, 5 Feb 2009 12:15:52 +1100 (EST) Subject: Re: [PATCH 2/3] powerpc: Make it possible to safely select CONFIG_FRAME_POINTER From: Benjamin Herrenschmidt To: Steven Rostedt 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 Cc: linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, Paul Mackerras , Ingo Molnar List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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.