From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756596Ab2LGPkW (ORCPT ); Fri, 7 Dec 2012 10:40:22 -0500 Received: from smarthost01.mail.zen.net.uk ([212.23.1.1]:51967 "EHLO smarthost01.mail.zen.net.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756397Ab2LGPkV (ORCPT ); Fri, 7 Dec 2012 10:40:21 -0500 X-Greylist: delayed 2699 seconds by postgrey-1.27 at vger.kernel.org; Fri, 07 Dec 2012 10:40:21 EST Message-ID: <1354894812.13000.59.camel@linaro1.home> Subject: Re: [PATCH] ARM: ftrace: Ensure code modifications are synchronised across all cpus From: "Jon Medhurst (Tixy)" To: Steven Rostedt Cc: linux-arm-kernel@lists.infradead.org, Russell King , Ingo Molnar , Frederic Weisbecker , Rabin Vincent , linux-kernel@vger.kernel.org Date: Fri, 07 Dec 2012 15:40:12 +0000 In-Reply-To: <1354894134.17101.44.camel@gandalf.local.home> References: <1354817466.30905.13.camel@linaro1.home> <1354821581.17101.17.camel@gandalf.local.home> <1354872138.3176.15.camel@computer5.home> <1354888985.17101.41.camel@gandalf.local.home> <1354892111.13000.50.camel@linaro1.home> <1354894134.17101.44.camel@gandalf.local.home> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.4.4-1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Originating-Smarthost01-IP: [82.69.122.217] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2012-12-07 at 10:28 -0500, Steven Rostedt wrote: > I'm not NACKing your previous patch, I was just suggesting to bring ARM > up to the future :-) ARM is the future ;-) > > I have no problems with the patch, but I just want to put it out there > that there's better ways. It's part of the remove stomp_machine() > crusade ;-) Indeed, when I first cam across stop_machine(), I though 'yuck!', especially when I realised Linux scheduling seems to mean the system goes idle until the the next tick triggers scheduling of these 'highest priority' threads. -- Tixy