From patchwork Sat Apr 19 22:17:46 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bandan Das X-Patchwork-Id: 4020471 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 6DC1A9F369 for ; Sat, 19 Apr 2014 22:19:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id ABAE02038D for ; Sat, 19 Apr 2014 22:19:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E0E882024F for ; Sat, 19 Apr 2014 22:19:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755077AbaDSWTL (ORCPT ); Sat, 19 Apr 2014 18:19:11 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38125 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754982AbaDSWSQ (ORCPT ); Sat, 19 Apr 2014 18:18:16 -0400 Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s3JMICLn013155 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 19 Apr 2014 18:18:12 -0400 Received: from aqua.redhat.com (vpn-63-70.rdu2.redhat.com [10.10.63.70]) by int-mx12.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s3JMHuKb011644; Sat, 19 Apr 2014 18:18:10 -0400 From: Bandan Das To: kvm@vger.kernel.org Cc: Paolo Bonzini , Gleb Natapov , Jan Kiszka , Marcelo Tosatti , linux-kernel@vger.kernel.org Subject: [PATCH v3 3/3] KVM: nVMX: Advertise support for interrupt acknowledgement Date: Sat, 19 Apr 2014 18:17:46 -0400 Message-Id: <1397945866-6961-4-git-send-email-bsd@redhat.com> In-Reply-To: <1397945866-6961-1-git-send-email-bsd@redhat.com> References: <1397945866-6961-1-git-send-email-bsd@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.25 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Some Type 1 hypervisors such as XEN won't enable VMX without it present Signed-off-by: Bandan Das --- arch/x86/kvm/vmx.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 5c0b74d..7bed3e3 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2283,7 +2283,7 @@ static __init void nested_vmx_setup_ctls_msrs(void) rdmsr(MSR_IA32_VMX_EXIT_CTLS, nested_vmx_exit_ctls_low, nested_vmx_exit_ctls_high); nested_vmx_exit_ctls_low = VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR; - /* Note that guest use of VM_EXIT_ACK_INTR_ON_EXIT is not supported. */ + nested_vmx_exit_ctls_high &= #ifdef CONFIG_X86_64 VM_EXIT_HOST_ADDR_SPACE_SIZE | @@ -2291,7 +2291,8 @@ static __init void nested_vmx_setup_ctls_msrs(void) VM_EXIT_LOAD_IA32_PAT | VM_EXIT_SAVE_IA32_PAT; nested_vmx_exit_ctls_high |= VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR | VM_EXIT_LOAD_IA32_EFER | VM_EXIT_SAVE_IA32_EFER | - VM_EXIT_SAVE_VMX_PREEMPTION_TIMER; + VM_EXIT_SAVE_VMX_PREEMPTION_TIMER | VM_EXIT_ACK_INTR_ON_EXIT; + if (vmx_mpx_supported()) nested_vmx_exit_ctls_high |= VM_EXIT_CLEAR_BNDCFGS;