From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934962Ab0E0SS0 (ORCPT ); Thu, 27 May 2010 14:18:26 -0400 Received: from casper.infradead.org ([85.118.1.10]:38469 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934603Ab0E0SSX convert rfc822-to-8bit (ORCPT ); Thu, 27 May 2010 14:18:23 -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: <20100527181433.GG3543@srcf.ucam.org> References: <1274982779.27810.5708.camel@twins> <20100527175719.GD3543@srcf.ucam.org> <1274983333.27810.5744.camel@twins> <20100527181433.GG3543@srcf.ucam.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Thu, 27 May 2010 20:18:11 +0200 Message-ID: <1274984291.27810.5802.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 19:14 +0100, Matthew Garrett wrote: > If I get a WoL > packet in the 0.5 of a second between userspace deciding to suspend and > actually doing so, the system shouldn't suspend. Please re-read Thomas' description of how a driver should do the state transition. So either we get the packet before suspend, and we cancel the suspend, or we get it after and we wake up. What's the problem, and how does that need suspend blockers?