From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755540Ab0EZWJV (ORCPT ); Wed, 26 May 2010 18:09:21 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:44745 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753601Ab0EZWJR (ORCPT ); Wed, 26 May 2010 18:09:17 -0400 From: "Rafael J. Wysocki" To: Florian Mickler Subject: Re: [PATCH 1/8] PM: Opportunistic suspend support. Date: Thu, 27 May 2010 00:10:41 +0200 User-Agent: KMail/1.12.4 (Linux/2.6.34-tst; KDE/4.3.5; x86_64; ; ) Cc: Pavel Machek , James Bottomley , Peter Zijlstra , Pekka Enberg , "Arve Hj?nnev?g" , Alan Stern , Dmitry Torokhov , "Linux-pm mailing list" , Kernel development list , Len Brown , Randy Dunlap , Andrew Morton , Andi Kleen , Cornelia Huck , Tejun Heo , Jesse Barnes , Nigel Cunningham , Ming Lei , Wu Fengguang , Maxim Levitsky , linux-doc@vger.kernel.org, Matthew Garrett , Greg KH , tytso@mit.edu References: <20100526172824.GA9069@elf.ucw.cz> <20100526211542.1bfa2564@schatten.dmk.lab> In-Reply-To: <20100526211542.1bfa2564@schatten.dmk.lab> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201005270010.41111.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 26 May 2010, Florian Mickler wrote: > On Wed, 26 May 2010 19:28:24 +0200 > Pavel Machek wrote: > > > > Besides that it is not linux system at all? > > I believe the kernel to be a layer between userspace and hardware. What > business is it to the kernel if it runs whatever android > uses as init process or /bin/bash, sys-v-init or systemd? > > There is this thing called choice. > > > > > Yes, with custom userspace it works extremely nicely. > > > > Had anyone even tried running oportunistic suspend on normal desktop? > > Pavel > > I don't think this is a valid concern. Just because current linux/gnu > systems don't implement the userspace part of this interface doesn't > mean it is useless or broken. Agreed. BTW, this is a valid point. We are used to think about Linux as the kernel plus the GNU user space, but that's not how it has to be. Thanks, Rafael