From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934436Ab0E0SCd (ORCPT ); Thu, 27 May 2010 14:02:33 -0400 Received: from casper.infradead.org ([85.118.1.10]:46804 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934374Ab0E0SCZ convert rfc822-to-8bit (ORCPT ); Thu, 27 May 2010 14:02:25 -0400 Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8) From: Peter Zijlstra To: Matthew Garrett Cc: Alan Stern , Thomas Gleixner , Paul@smtp1.linux-foundation.org, LKML , Florian Mickler , felipe.balbi@nokia.com, Linux OMAP Mailing List , Linux PM , Alan Cox In-Reply-To: <20100527175719.GD3543@srcf.ucam.org> References: <1274982779.27810.5708.camel@twins> <20100527175719.GD3543@srcf.ucam.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Thu, 27 May 2010 20:02:13 +0200 Message-ID: <1274983333.27810.5744.camel@twins> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2010-05-27 at 18:57 +0100, Matthew Garrett wrote: > On Thu, May 27, 2010 at 07:52:59PM +0200, Peter Zijlstra wrote: > > > Shall we henceforth stop confusing forced suspend for laptops and > > powersaving a running system? > > If you want to support forced suspend for laptops and you want to avoid > the risk of losing wakeups then you need in-kernel suspend blockers. > That's entirely orthogonal to Android's runtime power management. The simple fact of life is, on PC style hardware suspend is mostly about missing events. I really _really_ want to miss mouse movement of my bluetooth mouse when the gear is stowed in my backpack. Its perfectly OK to miss events on _forced_ suspend.