Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759102AbYHRTIm (ORCPT ); Mon, 18 Aug 2008 15:08:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762827AbYHRTFW (ORCPT ); Mon, 18 Aug 2008 15:05:22 -0400 Received: from az33egw02.freescale.net ([192.88.158.103]:37742 "EHLO az33egw02.freescale.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762817AbYHRTFT (ORCPT ); Mon, 18 Aug 2008 15:05:19 -0400 Message-ID: <48A9C5C0.5010705@freescale.com> Date: Mon, 18 Aug 2008 13:56:00 -0500 From: Scott Wood User-Agent: Mozilla-Thunderbird 2.0.0.16 (X11/20080724) MIME-Version: 1.0 To: Steven Rostedt CC: Eran Liberty , Mathieu Desnoyers , linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, Steven Rostedt , "Paul E. McKenney" Subject: Re: ftrace introduces instability into kernel 2.6.27(-rc2,-rc3) References: <48591941.4070408@extricom.com> <48A92E15.2080709@extricom.com> <48A9901B.1080900@redhat.com> <20080818154746.GA26835@Krystal> <48A9AFA7.8080508@freescale.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 681 Lines: 26 Steven Rostedt wrote: > What syntax to do that with? > > lwz %1,0(%U2) > stu %3, 0(%X2) > > I'm new to those. (and the above does not compile) lwz%U2%X2 %1, %2 stw%U2%X2 %3, %2 >> Why stwu with an offset of zero, > > How else to do it? stwu %3, (%2) does not compile for me. stw %3, 0(%2) The "u" tells it to write the effective address back to %2 -- but with an offset of zero, the effective address is unchanged. -Scott -- 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/