From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757552Ab1JCU3O (ORCPT ); Mon, 3 Oct 2011 16:29:14 -0400 Received: from www.linutronix.de ([62.245.132.108]:53453 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753172Ab1JCU3F (ORCPT ); Mon, 3 Oct 2011 16:29:05 -0400 Date: Mon, 3 Oct 2011 22:28:59 +0200 (CEST) From: Thomas Gleixner To: "Rafael J. Wysocki" cc: Ian Campbell , Jeremy Fitzhardinge , Konrad Rzeszutek Wilk , xen-devel , linux-kernel Subject: Re: xen: IPI interrupts not resumed early enough on suspend/resume In-Reply-To: <201110032202.24237.rjw@sisk.pl> Message-ID: References: <1317654626.21903.72.camel@zakaz.uk.xensource.com> <201110032202.24237.rjw@sisk.pl> User-Agent: Alpine 2.02 (LFD 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 3 Oct 2011, Rafael J. Wysocki wrote: > On Monday, October 03, 2011, Thomas Gleixner wrote: > > We already shut down the nonboot cpus on suspend. We could do that > > _before_ we disable devices and the interrupts. > > > > Raphael ? > > I'm afraid that wouldn't work. At least right now our suspend sequence is > reasonably in line with what ACPI says. > > Besides, we suspend devices in parallel now, so that would be going backwards > a bit. Fair enough.