Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161082AbaDSWTc (ORCPT ); Sat, 19 Apr 2014 18:19:32 -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 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> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/