From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762695AbXGCVrr (ORCPT ); Tue, 3 Jul 2007 17:47:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761495AbXGCVrI (ORCPT ); Tue, 3 Jul 2007 17:47:08 -0400 Received: from smtp-out001.kontent.com ([81.88.40.215]:36728 "EHLO smtp-out.kontent.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761099AbXGCVrD (ORCPT ); Tue, 3 Jul 2007 17:47:03 -0400 From: Oliver Neukum To: Matthew Garrett Subject: Re: [linux-pm] [PATCH] Remove process freezer from suspend to RAM pathway Date: Tue, 3 Jul 2007 23:47:01 +0200 User-Agent: KMail/1.9.7 Cc: "Rafael J. Wysocki" , Alan Stern , linux-kernel@vger.kernel.org, linux-pm@lists.linux-foundation.org References: <20070703211227.GA28758@srcf.ucam.org> <200707032337.52544.rjw@sisk.pl> <20070703213639.GA29149@srcf.ucam.org> In-Reply-To: <20070703213639.GA29149@srcf.ucam.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200707032347.01936.oliver@neukum.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Am Dienstag, 3. Juli 2007 schrieb Matthew Garrett: > On Tue, Jul 03, 2007 at 11:37:51PM +0200, Rafael J. Wysocki wrote: > > On Tuesday, 3 July 2007 23:20, Matthew Garrett wrote: > > > We're used to the idea of applications blocking when a resource they're > > > using goes away - NFS has done it forever. > > > > Now, please tell me how many driver writers even thought that something > > might try to access their devices after .suspend() had been executed (or > > even whilie it was being executed)? > > Every single driver that fails under those conditions is already broken, > and has been forever. It's likely that they're broken under run-time > suspend, too. There _is_ no runtime syspend in working condition. The interface to do that has been scheduled for removal. Oliver