From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933740AbbI1NYr (ORCPT ); Mon, 28 Sep 2015 09:24:47 -0400 Received: from smtp.citrix.com ([66.165.176.89]:8222 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757481AbbI1NYq (ORCPT ); Mon, 28 Sep 2015 09:24:46 -0400 X-IronPort-AV: E=Sophos;i="5.17,602,1437436800"; d="scan'208";a="302820718" Message-ID: <56093F9C.6030400@citrix.com> Date: Mon, 28 Sep 2015 14:24:44 +0100 From: David Vrabel User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.8.0 MIME-Version: 1.0 To: Boris Ostrovsky , , CC: , Subject: Re: [Xen-devel] [PATCH] xen/x86: Don't try to write syscall-related MSRs for PV guests References: <1442840968-23052-1-git-send-email-boris.ostrovsky@oracle.com> In-Reply-To: <1442840968-23052-1-git-send-email-boris.ostrovsky@oracle.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit X-DLP: MIA2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 21/09/15 14:09, Boris Ostrovsky wrote: > For PV guests these registers are set up by hypervisor and thus > should not be written by the guest. The comment in xen_write_msr_safe() > says so but we still write the MSRs, causing the hypervisor to > print a warning. Applied to for-linus-4.3, thanks. David