From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: Re: [PATCH 0/8 v3] KVM support for 1GB pages Date: Mon, 22 Jun 2009 11:40:13 +0200 Message-ID: <20090622094013.GD5139@amd.com> References: <1245417389-5527-1-git-send-email-joerg.roedel@amd.com> <4A3CC1FA.2070900@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Marcelo Tosatti , kvm@vger.kernel.org, linux-kernel@vger.kernel.org To: Avi Kivity Return-path: Received: from outbound-dub.frontbridge.com ([213.199.154.16]:44521 "EHLO IE1EHSOBE005.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753575AbZFVJkc convert rfc822-to-8bit (ORCPT ); Mon, 22 Jun 2009 05:40:32 -0400 Content-Disposition: inline In-Reply-To: <4A3CC1FA.2070900@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Sat, Jun 20, 2009 at 02:03:22PM +0300, Avi Kivity wrote: > On 06/19/2009 04:16 PM, Joerg Roedel wrote: >> Hi, >> >> this is the third version of the patches for KVM to support 1GB page= s. Changes >> to the last version include: >> >> - changed reporting of 1GB page support to userspace to use >> SUPPORTED_CPUID ioctl >> - added support for 1GB pages to the software page walker code too >> >> This code still only can make use of 1GB pages with nested paging en= abled. I >> will give the shadow paging code another debug round soon. Please co= mment or >> consider to apply these patches. >> >> =20 > > Can you describe how the code fails with shadow paging? After the rework it even fails to boot a guest with gbpages enabled. Th= is week is a bit tight but I will debug this further next week. Joerg --=20 | Advanced Micro Devices GmbH Operating | Karl-Hammerschmidt-Str. 34, 85609 Dornach bei M=FCnchen System |=20 Research | Gesch=E4ftsf=FChrer: Thomas M. McCoy, Giuliano Meroni Center | Sitz: Dornach, Gemeinde Aschheim, Landkreis M=FCnchen | Registergericht M=FCnchen, HRB Nr. 43632