Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760659AbYFDKyw (ORCPT ); Wed, 4 Jun 2008 06:54:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760395AbYFDKyZ (ORCPT ); Wed, 4 Jun 2008 06:54:25 -0400 Received: from www.tglx.de ([62.245.132.106]:58365 "EHLO www.tglx.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759001AbYFDKyY (ORCPT ); Wed, 4 Jun 2008 06:54:24 -0400 Date: Wed, 4 Jun 2008 12:54:14 +0200 (CEST) From: Thomas Gleixner To: Jiri Kosina cc: Zdenek Kabelac , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, avi@qumranet.com Subject: Re: BUG: using smp_processor_id() in preemptible [00000000] code: pm-suspend/17334 In-Reply-To: Message-ID: References: User-Agent: Alpine 1.10 (LFD 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 917 Lines: 21 On Tue, 3 Jun 2008, Jiri Kosina wrote: > > Ahh yes - you are right , I've completely forget about that old post - > > I've thought that my post are usually getting fixed sooner :) > > So yes - this is actually the same bug which is still not fixed within > > the latest kernel - the machine is running qemu guest (which seems to > > me now somehow also slower) > > OK, so it looks like KVM could be wrongly enabling IRQs/preemption on the > resume path. The original bug-report is on > http://lkml.org/lkml/2008/4/7/130 sysdev_resume() is supposed to run with interrupts disabled, at least it was that way when the timekeeping_resume code was written. Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/