From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752965AbcHRGCg (ORCPT ); Thu, 18 Aug 2016 02:02:36 -0400 Received: from mx2.suse.de ([195.135.220.15]:39622 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750776AbcHRGCf (ORCPT ); Thu, 18 Aug 2016 02:02:35 -0400 Subject: Re: [PATCH v3] xen: Make VPMU init message look less scary References: <1470122532-9072-1-git-send-email-jgross@suse.com> Cc: linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org, boris.ostrovsky@oracle.com To: david.vrabel@citrix.com From: Juergen Gross Message-ID: <95a600ec-e8db-2ba6-f388-3ea1cf049cf5@suse.com> Date: Thu, 18 Aug 2016 08:01:55 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2 MIME-Version: 1.0 In-Reply-To: <1470122532-9072-1-git-send-email-jgross@suse.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/08/16 09:22, Juergen Gross wrote: > The default for the Xen hypervisor is to not enable VPMU in order to > avoid security issues. In this case the Linux kernel will issue the > message "Could not initialize VPMU for cpu 0, error -95" which looks > more like an error than a normal state. > > Change the message to something less scary in case the hypervisor > returns EOPNOTSUPP or ENOSYS when trying to activate VPMU. > > Signed-off-by: Juergen Gross David, could you take this patch, please? Juergen