Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755402AbYJPShH (ORCPT ); Thu, 16 Oct 2008 14:37:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752187AbYJPSg4 (ORCPT ); Thu, 16 Oct 2008 14:36:56 -0400 Received: from qw-out-2122.google.com ([74.125.92.26]:5607 "EHLO qw-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752162AbYJPSgz (ORCPT ); Thu, 16 Oct 2008 14:36:55 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent:sender; b=g2whe1XV/YadllPjGOLkMWDBAU6V2GRyWL6l0s1bB3pwelxHGX3ZqDMdMKC9QJbQW/ vZ7dXGGP2vdfaJ7/qMTr+wjOI8X3SsSINMSYzlfvcS7U/wUkmpqVQaPV6t0jGsE7rj3A Bl38N9Qv5T1nulCZKZec1lvIL/hfRoczGZkl0= Date: Thu, 16 Oct 2008 14:35:29 -0400 From: Josh Boyer To: Steven Rostedt Cc: Josh Boyer , Ingo Molnar , Peter Zijlstra , linux-kernel@vger.kernel.org, David Miller , linuxppc-dev@ozlabs.org, Thomas Gleixner , Andrew Morton Subject: Re: [PATCH 0/2] ftrace: fixes for PPC Message-ID: <20081016183529.GB29739@yoda.jdub.homelinux.org> References: <20080906050602.409299112@goodmis.org> <20080906120346.GA30964@elte.hu> <20081016181452.GA29739@yoda.jdub.homelinux.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1848 Lines: 44 On Thu, Oct 16, 2008 at 02:22:48PM -0400, Steven Rostedt wrote: > >On Thu, 16 Oct 2008, Josh Boyer wrote: > >> On Sat, Sep 06, 2008 at 02:03:47PM +0200, Ingo Molnar wrote: >> > >> >* Steven Rostedt wrote: >> > >> >> I spent the day chasing a bug that would hang PPC on boot up when >> >> ftrace is configured in. I found that it was simply a stupid bug I did >> >> to handle the non MCOUNT_RECORD case. Since I was testing only on x86, >> >> and the MCOUNT_RECORD is automatically set for dynamic ftrace if it is >> >> available, I did not test the case where MCOUNT_RECORD was not set. >> >> >> >> I have not finished porting MCOUNT_RECORD to PPC, but have found that >> >> it has caused some issues for archs that do not support it yet. >> >> >> >> This patch series handles these cases. >> > >> >applied to tip/tracing/ftrace, thanks Steve. >> >> Are these two merged yet? I just spent the better part of the morning >> trying to figure out why various Fedora kernels based on 2.6.27-rcX and >> 2.6.27 final hung on my G5 and finally got one booting with FTRACE >> disabled. > >My powerbook does not boot with ftrace enabled. I'm currently debugging >it. When I get it working, you'll see patches. Well, that's why I asked. You sent 2 patches out over a month ago that don't appear to have shown up in any Linus or PowerPC tree. >They will be to linux-tip though, and not for the current mainline (unless >the code in linux-tip gets merged). If linux-tip is some x86 topic branch, I think that's the wrong place for fixes that are needed on non-x86 arches. josh -- 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/