From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758304AbYCDAbJ (ORCPT ); Mon, 3 Mar 2008 19:31:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752372AbYCDAa5 (ORCPT ); Mon, 3 Mar 2008 19:30:57 -0500 Received: from wolverine02.qualcomm.com ([199.106.114.251]:1518 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750877AbYCDAaz (ORCPT ); Mon, 3 Mar 2008 19:30:55 -0500 X-IronPort-AV: E=McAfee;i="5200,2160,5243"; a="884867" Message-ID: <47CC983C.8050000@qualcomm.com> Date: Mon, 03 Mar 2008 16:30:52 -0800 From: Max Krasnyanskiy User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Rusty Russell CC: Ingo Molnar , Jason Baron , Mathieu Desnoyers , akpm@linux-foundation.org, linux-kernel@vger.kernel.org, Peter Zijlstra Subject: Re: [patch 1/2] add ALL_CPUS option to stop_machine_run() References: <20080202210828.840735763@polymtl.ca> <47C84DCD.5040803@qualcomm.com> <20080229191559.GA18339@elte.hu> <200803031512.51656.rusty@rustcorp.com.au> In-Reply-To: <200803031512.51656.rusty@rustcorp.com.au> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Rusty, > On Saturday 01 March 2008 06:15:59 Ingo Molnar wrote: >> Right now the answer is: "if you want to do hard RT then avoid doing >> things like loading modules". (which you should avoid while doing >> hard-RT anyway) > > Hi Ingo, > > I agree, but Max is doing a service by making more people aware of the > limitations of stop_machine so they don't sprinkle it around like candy :) Exactly. I'm glad we're on same page on this. > I think the module load case can be reasonably fixed; it's in my backlog now. Great. I might get some time later this week to think about this some more and try things out. So if you have ideas/suggestions let me know. Max