From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gleb Natapov Subject: Re: [PATCH] KVM: nVMX: Skip PF interception check when queuing during nested run Date: Sun, 28 Apr 2013 17:33:55 +0300 Message-ID: <20130428143355.GA31934@redhat.com> References: <517CCEB9.7030504@web.de> <1B4B44D9196EFF41AE41FDA404FC0A10CA70B5@SHSMSX101.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Jan Kiszka , Marcelo Tosatti , kvm , "Nakajima, Jun" To: "Ren, Yongjie" Return-path: Received: from mx1.redhat.com ([209.132.183.28]:48972 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753168Ab3D1Od7 (ORCPT ); Sun, 28 Apr 2013 10:33:59 -0400 Content-Disposition: inline In-Reply-To: <1B4B44D9196EFF41AE41FDA404FC0A10CA70B5@SHSMSX101.ccr.corp.intel.com> Sender: kvm-owner@vger.kernel.org List-ID: On Sun, Apr 28, 2013 at 02:30:38PM +0000, Ren, Yongjie wrote: > > -----Original Message----- > > From: kvm-owner@vger.kernel.org [mailto:kvm-owner@vger.kernel.org] > > On Behalf Of Jan Kiszka > > Sent: Sunday, April 28, 2013 3:25 PM > > To: Gleb Natapov; Marcelo Tosatti > > Cc: kvm; Nakajima, Jun; Ren, Yongjie > > Subject: [PATCH] KVM: nVMX: Skip PF interception check when queuing > > during nested run > > > > From: Jan Kiszka > > > > While a nested run is pending, vmx_queue_exception is only called to > > requeue exceptions that were previously picked up via > > vmx_cancel_injection. Therefore, we must not check for PF interception > > by L1, possibly causing a bogus nested vmexit. > > > > Signed-off-by: Jan Kiszka > > --- > > > > This and the KVM_REQ_IMMEDIATE_EXIT fix allows me to boot an L2 Linux > > without problems. Yongjie, please check if it resolves your issue(s) as > > well. > > > The two patches can fix my issue. When both of them are applied, I can have > more tests against next branch. They are both applied now. -- Gleb.