From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752631Ab1LCOmW (ORCPT ); Sat, 3 Dec 2011 09:42:22 -0500 Received: from acsinet15.oracle.com ([141.146.126.227]:50767 "EHLO acsinet15.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752278Ab1LCOmK (ORCPT ); Sat, 3 Dec 2011 09:42:10 -0500 Date: Thu, 1 Dec 2011 09:35:48 -0500 From: Konrad Rzeszutek Wilk To: Borislav Petkov Cc: "Rafael J. Wysocki" , tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, Linux Kernel Mailing List , Linux SCSI List , Linux ACPI , Network Development , Linux Wireless List , DRI , Florian Mickler , Andrew Morton , Kernel Testers List , Linus Torvalds , Linux PM List , Maciej Rutecki , deepthi@linux.vnet.ibm.com Subject: Re: 3.2-rc2+: Reported regressions from 3.0 and 3.1 Message-ID: <20111201143548.GA28114@phenom.dumpdata.com> References: <201111212249.31196.rjw@sisk.pl> <20111122135412.GA29905@phenom.dumpdata.com> <20111129180414.GA11459@phenom.dumpdata.com> <20111129183428.GE8200@aftab> <20111130175936.GA15168@phenom.dumpdata.com> <20111201113919.GC31552@aftab> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20111201113919.GC31552@aftab> User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: acsinet22.oracle.com [141.146.126.238] X-Auth-Type: Internal IP X-CT-RefId: str=0001.0A090208.4EDA351F.004F,ss=1,re=0.000,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > >From what I can see, you get the following callchain: > > start_kernel > |-> setup_arch > |-> x86_init.oem.arch_setup = xen_arch_setup > .... > |-> check_bugs > |-> identify_boot_cpu > |-> identify_cpu > |-> select_idle_routine > > > so xen_arch_setup will set pm_idle and select_idle_routine will honour > it. I'm being told this is run either in the dom0 or the paravirt guest > and if so, I don't see any issue with this for baremetal. So you can > have my ACK provided this is tested on baremetal too. Tested on baremetal and there were no abnormalities. Thanks!