Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753578AbYHSDMp (ORCPT ); Mon, 18 Aug 2008 23:12:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751780AbYHSDMh (ORCPT ); Mon, 18 Aug 2008 23:12:37 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.123]:51333 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751478AbYHSDMg (ORCPT ); Mon, 18 Aug 2008 23:12:36 -0400 Date: Mon, 18 Aug 2008 23:12:35 -0400 (EDT) From: Steven Rostedt X-X-Sender: rostedt@gandalf.stny.rr.com To: Benjamin Herrenschmidt cc: Scott Wood , 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) In-Reply-To: <1219114600.8062.15.camel@pasglop> Message-ID: References: <48591941.4070408@extricom.com> <48A92E15.2080709@extricom.com> <48A9901B.1080900@redhat.com> <20080818154746.GA26835@Krystal> <48A9AFA7.8080508@freescale.com> <1219110814.8062.2.camel@pasglop> <1219113549.8062.13.camel@pasglop> <1219114600.8062.15.camel@pasglop> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 802 Lines: 31 On Tue, 19 Aug 2008, Benjamin Herrenschmidt wrote: > Ok, so i did a patch, but it doesn't fix the problem. So > there's something else whacking on the stack frames. Is it 32 bit or 64? I've tested the 64 bit quite a bit, but not so much the 32 (my powerbook is not usually that stable). You might want to look at the entry.S mcount code too. > > Still, here it is: Thanks, > > powerpc/ftrace: Fix broken assembly for code replacement > > Instead, uses __get_user() and __put_user(). > Acked-by: Steven Rostedt -- Steve -- 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/