From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757927AbbIDGvR (ORCPT ); Fri, 4 Sep 2015 02:51:17 -0400 Received: from prv-mh.provo.novell.com ([137.65.248.74]:39272 "EHLO prv-mh.provo.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752712AbbIDGvP convert rfc822-to-8bit (ORCPT ); Fri, 4 Sep 2015 02:51:15 -0400 Message-Id: <55E95B7F020000780009F7F0@prv-mh.provo.novell.com> X-Mailer: Novell GroupWise Internet Agent 14.0.1 Date: Fri, 04 Sep 2015 00:51:11 -0600 From: "Jan Beulich" To: "Luis R. Rodriguez" Cc: , "Stuart Hayes" , "Toshi Kani" , "Toshi Kani" , , , , "Prarit Bhargava" , "Juergen Gross" , , "H. Peter Anvin" Subject: Re: Fwd: [PATCH] x86: Use larger chunks in mtrr_cleanup References: <20150903175902.GU8051@wotan.suse.de> <55E88D06.3040608@redhat.com> <20150903184029.GV8051@wotan.suse.de> <1441308162.3277.20.camel@hpe.com> <20150903195134.GW8051@wotan.suse.de> <1441315902.3277.39.camel@hpe.com> <20150903220711.GX8051@wotan.suse.de> <1441319131.3277.54.camel@hpe.com> <20150903224556.GY8051@wotan.suse.de> <1441322474.3277.78.camel@hpe.com> <20150903235429.GZ8051@wotan.suse.de> In-Reply-To: <20150903235429.GZ8051@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>> On 04.09.15 at 01:54, wrote: > If I undestand this correctly then I think we're in a pickle with Xen unless > we add hypervisor support and hypercall support for mtrr_type_lookup(). Are you perhaps unaware of XENPF_read_memtype (which our kernel uses)? Jan