From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754643Ab1BHO3L (ORCPT ); Tue, 8 Feb 2011 09:29:11 -0500 Received: from ksp.mff.cuni.cz ([195.113.26.206]:48290 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754094Ab1BHO3K (ORCPT ); Tue, 8 Feb 2011 09:29:10 -0500 Date: Tue, 8 Feb 2011 15:29:01 +0100 From: Pavel Machek To: Mark Brown Cc: "Rafael J. Wysocki" , Len Brown , Alan Stern , linux-pm@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Andrew Morton , Dmitry Torokhov , linux-embedded@vger.kernel.org Subject: Re: [PATCH] PM: Hide CONFIG_PM from users Message-ID: <20110208142901.GB1437@ucw.cz> References: <1297081335-13631-1-git-send-email-broonie@opensource.wolfsonmicro.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1297081335-13631-1-git-send-email-broonie@opensource.wolfsonmicro.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi! > It is very rare to find a current system which is both sufficiently > resource constrained to want to compile out power management support > and sufficiently power insensitive to be able to tolerate doing so. Ok, how much memory do we talk about here? Lots of embedded systems are AC powered or powered from some powerful source -- such as alternator in car. PM can be unwanted complexity there. Ot maybe they are running under realtime hypervisor... -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html