From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933222AbcGJDrK (ORCPT ); Sat, 9 Jul 2016 23:47:10 -0400 Received: from mga03.intel.com ([134.134.136.65]:32701 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756854AbcGJDrH (ORCPT ); Sat, 9 Jul 2016 23:47:07 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,339,1464678000"; d="scan'208";a="1013913929" Message-ID: <1468122339.13617.128.camel@linux.intel.com> Subject: Re: [PATCH] intel_pstate: Fix MSR_CONFIG_TDP_x addressing in core_get_max_pstate From: Srinivas Pandruvada To: "Rafael J. Wysocki" Cc: Jan Kiszka , Linux Kernel Mailing List , "Rafael J. Wysocki" , Linux PM list Date: Sat, 09 Jul 2016 20:45:39 -0700 In-Reply-To: <1741569.1V1Ap4DoMu@vostro.rjw.lan> References: <577FF3FC.6030004@siemens.com> <1468006747.13617.117.camel@linux.intel.com> <1741569.1V1Ap4DoMu@vostro.rjw.lan> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.18.3 (3.18.3-1.fc23) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2016-07-09 at 02:45 +0200, Rafael J. Wysocki wrote: > On Friday, July 08, 2016 12:39:07 PM Srinivas Pandruvada wrote: > > On Fri, 2016-07-08 at 20:42 +0200, Jan Kiszka wrote: > > > If MSR_CONFIG_TDP_CONTROL is locked, we currently try to address > > > some > > > MSR 0x80000648 or so. Mask out the relevant level bits 0 and 1. > > > > > > Found while running over the Jailhouse hypervisor which became > > > upset > > > about this strange MSR index. > > > > > > Signed-off-by: Jan Kiszka > > Acked-by: Srinivas Pandruvada > > OK > > Should this go into stable? Better to mark for stable tree 4.4+ Thanks, Srinivas