From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757220AbaEIRIr (ORCPT ); Fri, 9 May 2014 13:08:47 -0400 Received: from mail-oa0-f49.google.com ([209.85.219.49]:61138 "EHLO mail-oa0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756553AbaEIRIp (ORCPT ); Fri, 9 May 2014 13:08:45 -0400 Message-ID: <536D0B9B.8070906@mvista.com> Date: Fri, 09 May 2014 12:08:43 -0500 From: Corey Minyard User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Sebastian Andrzej Siewior , minyard@acm.org CC: linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] ftrace: Simplify ring buffer resizing, make work with RT References: <1399579402-27034-1-git-send-email-minyard@acm.org> <20140509131244.GF29014@linutronix.de> In-Reply-To: <20140509131244.GF29014@linutronix.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/09/2014 08:12 AM, Sebastian Andrzej Siewior wrote: > * minyard@acm.org | 2014-05-08 15:03:22 [-0500]: > >> This isn't well tested, but fixes an obvious PREEMPT_RT problem and seems >> like a good simplification. You can see the PREEMPT_RT bug if you enable >> ftrace and all the self tests; it will fail running selftests when it tries >> to resize the buffers. > I posted http://marc.info/?l=linux-rt-users&m=139962823022896&w=2 before > I noticed this one. You seem not to touch the second hunk. > > Sebastian That's a good solution, too. I didn't notice the second hunk in my testing. Thanks, -corey