From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sheng Yang Subject: Re: [PATCH] KVM: VMX: Disable unrestricted guest when EPT disabled Date: Thu, 18 Mar 2010 13:57:48 +0800 Message-ID: <201003181357.48777.sheng@linux.intel.com> References: <1259311586-21211-1-git-send-email-sheng@linux.intel.com> <201003180950.48106.sheng@linux.intel.com> <4035AF34-DD16-4C0B-B394-220282F1B705@suse.de> Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Cc: Marcelo Tosatti , Avi Kivity , kvm@vger.kernel.org To: Alexander Graf Return-path: Received: from mga10.intel.com ([192.55.52.92]:18288 "EHLO fmsmga102.fm.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752568Ab0CRF6c (ORCPT ); Thu, 18 Mar 2010 01:58:32 -0400 In-Reply-To: <4035AF34-DD16-4C0B-B394-220282F1B705@suse.de> Sender: kvm-owner@vger.kernel.org List-ID: On Thursday 18 March 2010 13:51:41 Alexander Graf wrote: > On 18.03.2010, at 02:50, Sheng Yang wrote: > > On Thursday 18 March 2010 02:37:10 Alexander Graf wrote: > >> Marcelo Tosatti wrote: > >>> On Fri, Nov 27, 2009 at 04:46:26PM +0800, Sheng Yang wrote: > >>>> Otherwise would cause VMEntry failure when using ept=0 on unrestricted > >>>> guest supported processors. > >>>> > >>>> Signed-off-by: Sheng Yang > >>> > >>> Applied, thanks. > >> > >> So without this patch kvm breaks with ept=0? Sounds like a stable > >> candidate to me. > > > > Seems unrestricted guest code isn't in v2.6.31-stable, and v2.6.32 had > > already fixed this issue. So it should be fine. > > Are you sure? I don't see the patch in 2.6.32-stable git. Yes, you are right. Found it not in 2.6.32-stable... Would post a patch for stable. Thanks -- regards Yang, Sheng