From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 74500C04AA7 for ; Mon, 13 May 2019 18:49:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 564B820989 for ; Mon, 13 May 2019 18:49:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728510AbfEMStv (ORCPT ); Mon, 13 May 2019 14:49:51 -0400 Received: from mga07.intel.com ([134.134.136.100]:4236 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728495AbfEMStv (ORCPT ); Mon, 13 May 2019 14:49:51 -0400 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 13 May 2019 11:49:50 -0700 X-ExtLoop1: 1 Received: from sjchrist-coffee.jf.intel.com (HELO linux.intel.com) ([10.54.74.36]) by orsmga001.jf.intel.com with ESMTP; 13 May 2019 11:49:50 -0700 Date: Mon, 13 May 2019 11:49:50 -0700 From: Sean Christopherson To: Krish Sadhukhan Cc: kvm@vger.kernel.org, pbonzini@redhat.com, rkrcmar@redhat.com, jmattson@google.com Subject: Re: [PATCH 2/8][KVM nVMX]: Enable "load IA32_PERF_GLOBAL_CTRL" VM-entry control for nested guests Message-ID: <20190513184950.GG28561@linux.intel.com> References: <20190424231724.2014-1-krish.sadhukhan@oracle.com> <20190424231724.2014-3-krish.sadhukhan@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190424231724.2014-3-krish.sadhukhan@oracle.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Wed, Apr 24, 2019 at 07:17:18PM -0400, Krish Sadhukhan wrote: > Signed-off-by: Krish Sadhukhan > Reviewed-by: Karl Heubaum > --- > arch/x86/kvm/vmx/nested.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c > index 42a4deb662c6..83cd887638cb 100644 > --- a/arch/x86/kvm/vmx/nested.c > +++ b/arch/x86/kvm/vmx/nested.c > @@ -5511,7 +5511,8 @@ void nested_vmx_setup_ctls_msrs(struct nested_vmx_msrs *msrs, u32 ept_caps, > #endif > VM_ENTRY_LOAD_IA32_PAT; > msrs->entry_ctls_high |= > - (VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | VM_ENTRY_LOAD_IA32_EFER); > + (VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | VM_ENTRY_LOAD_IA32_EFER | > + VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL); Same comments as the VM-Exit patch. > > /* We support free control of debug control loading. */ > msrs->entry_ctls_low &= ~VM_ENTRY_LOAD_DEBUG_CONTROLS; > -- > 2.17.2 >