From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932505Ab0E0RZf (ORCPT ); Thu, 27 May 2010 13:25:35 -0400 Received: from cavan.codon.org.uk ([93.93.128.6]:50629 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754508Ab0E0RZe (ORCPT ); Thu, 27 May 2010 13:25:34 -0400 Date: Thu, 27 May 2010 18:25:10 +0100 From: Matthew Garrett To: Peter Zijlstra Cc: Thomas Gleixner , Alan Cox , Arve =?iso-8859-1?B?SGr4bm5lduVn?= , Florian Mickler , Vitaly Wool , LKML , Paul@smtp1.linux-foundation.org, felipe.balbi@nokia.com, Linux OMAP Mailing List , Linux PM Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8) Message-ID: <20100527172510.GC2468@srcf.ucam.org> References: <20100527140655.GA28048@srcf.ucam.org> <20100527155201.GA31937@srcf.ucam.org> <20100527171615.15a1fd3d@lxorguk.ukuu.org.uk> <20100527161943.GA32764@srcf.ucam.org> <20100527170740.GA1980@srcf.ucam.org> <1274980391.27810.5552.camel@twins> <20100527171644.GA2468@srcf.ucam.org> <1274980856.27810.5582.camel@twins> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1274980856.27810.5582.camel@twins> User-Agent: Mutt/1.5.18 (2008-05-17) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: mjg59@cavan.codon.org.uk X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 27, 2010 at 07:20:56PM +0200, Peter Zijlstra wrote: > Suppose X (or whatever windowing system) will block all clients that try > to draw when you switch off your screen. > > How would we not wake them when we do turn the screen back on and start > servicing the pending requests again? How (and why) does the WoL (which may be *any* packet, not just a magic one) turn the screen back on? -- Matthew Garrett | mjg59@srcf.ucam.org