From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755840AbZCDXZ7 (ORCPT ); Wed, 4 Mar 2009 18:25:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753873AbZCDXZv (ORCPT ); Wed, 4 Mar 2009 18:25:51 -0500 Received: from gate.crashing.org ([63.228.1.57]:36768 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753180AbZCDXZu (ORCPT ); Wed, 4 Mar 2009 18:25:50 -0500 Subject: Re: Reworking suspend-resume sequence (was: Re: PCI PM: Restore standard config registers of all devices early) From: Benjamin Herrenschmidt To: Pavel Machek Cc: Linus Torvalds , "Rafael J. Wysocki" , Jesse Barnes , Linux Kernel Mailing List , Andreas Schwab , Len Brown , Ingo Molnar In-Reply-To: <20090304080212.GA1489@ucw.cz> References: <200901261904.n0QJ4Q9c016709@hera.kernel.org> <200902032253.42709.rjw@sisk.pl> <1233700390.16867.97.camel@pasglop> <200902032344.22348.rjw@sisk.pl> <1233702327.16867.109.camel@pasglop> <20090304080212.GA1489@ucw.cz> Content-Type: text/plain Date: Thu, 05 Mar 2009 10:25:04 +1100 Message-Id: <1236209104.6696.73.camel@pasglop> Mime-Version: 1.0 X-Mailer: Evolution 2.24.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > As long as we claim to support cpu hotplug, suspending the cpus early > should work. User might have unplugged the cpu manually... > > If something is broken in acpi, we may need to disable cpu*/onlone on > affected systems. You seem to miss some context here... it seems that ACPI mandates that CPUs are suspended after devices and you know that we can't just start blacklisting half of the machines out there just because we happen not to do the same as what Windows does... So let's be on the safe side. Cheers, Ben