From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762254AbXGFG4k (ORCPT ); Fri, 6 Jul 2007 02:56:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759946AbXGFG4b (ORCPT ); Fri, 6 Jul 2007 02:56:31 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:56868 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756583AbXGFG4a (ORCPT ); Fri, 6 Jul 2007 02:56:30 -0400 From: "Rafael J. Wysocki" To: Benjamin Herrenschmidt Subject: Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway Date: Fri, 6 Jul 2007 09:04:08 +0200 User-Agent: KMail/1.9.5 Cc: Oliver Neukum , Miklos Szeredi , paulus@samba.org, stern@rowland.harvard.edu, johannes@sipsolutions.net, linux-pm@lists.linux-foundation.org, linux-kernel@vger.kernel.org, pavel@ucw.cz, mjg59@srcf.ucam.org References: <18059.10554.955290.148535@cargo.ozlabs.ibm.com> <200707051048.46202.oliver@neukum.org> <1183675095.3388.72.camel@localhost.localdomain> In-Reply-To: <1183675095.3388.72.camel@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200707060904.09497.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Friday, 6 July 2007 00:38, Benjamin Herrenschmidt wrote: > > > There is that. > > > > OK, bite the bullet. Tasks involved in fuse are special. Give them a flag > > and teach the freezer to put them on ice only after all other task are > > frozen. In a way they are kernel, there's no use denying that. > > Yet another ugly hack to work around the fact that the freezer cannot > work reliably ... yuck > > Why not spend that energy fixing drivers to properly block requests > instead ? Because it's more difficult? :-) Greetings, Rafael -- "Premature optimization is the root of all evil." - Donald Knuth