From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759062Ab0E0VQg (ORCPT ); Thu, 27 May 2010 17:16:36 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:49942 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750904Ab0E0VQe (ORCPT ); Thu, 27 May 2010 17:16:34 -0400 From: "Rafael J. Wysocki" To: Alan Cox Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8) Date: Thu, 27 May 2010 23:17:59 +0200 User-Agent: KMail/1.12.4 (Linux/2.6.34-rjw; KDE/4.3.5; x86_64; ; ) Cc: linux-pm@lists.linux-foundation.org, Peter Zijlstra , LKML , Arve@smtp1.linux-foundation.org, Florian Mickler , Linux@smtp1.linux-foundation.org, felipe.balbi@nokia.com, List References: <20100526120242.5c9b73ad@schatten.dmk.lab> <1274971437.27810.5078.camel@twins> <20100527161054.203663ca@lxorguk.ukuu.org.uk> In-Reply-To: <20100527161054.203663ca@lxorguk.ukuu.org.uk> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201005272317.59481.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thursday 27 May 2010, Alan Cox wrote: > > > Heck, for all I care, simply SIGKILL the thing and report it once the > > > user starts looking at his screen again. > > > > Provide incentive for Joe Clicker to improve his app, instead of cope > > with the shit he created. > > That isn't helpful. But if you feel like that I suggest you run with your > memory management protection disabled, it's really on there to deal with > crap code and its giving the wrong incentives. Come to think of it > you might want to remove your seatbelts and any safety catches or airbags > - it only encourages carelessness. > > The reality is you need a sane, generic, race free way to express your > requirements (eg for hard RT) and ditto for constraining the expression > (for 'crapplications') > > Arguing that you don't need to do this isn't useful. Android has > demonstrated a need to do this. RT has a need to do some of this. > Virtualisation wants elements of this etc. > > The question is how you do it right. I violently agree, thanks Alan! Rafael