From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933078AbdC3J4B (ORCPT ); Thu, 30 Mar 2017 05:56:01 -0400 Received: from mail-wr0-f194.google.com ([209.85.128.194]:33793 "EHLO mail-wr0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932949AbdC3Jzz (ORCPT ); Thu, 30 Mar 2017 05:55:55 -0400 From: Paolo Bonzini To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: david@redhat.com Subject: [PATCH 6/6] KVM: nVMX: support RDRAND and RDSEED exiting Date: Thu, 30 Mar 2017 11:55:32 +0200 Message-Id: <1490867732-16743-7-git-send-email-pbonzini@redhat.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1490867732-16743-1-git-send-email-pbonzini@redhat.com> References: <1490867732-16743-1-git-send-email-pbonzini@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Paolo Bonzini --- arch/x86/include/asm/vmx.h | 2 ++ arch/x86/kvm/vmx.c | 5 +++++ 2 files changed, 7 insertions(+) diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h index dffe8d68fb27..35cd06f636ab 100644 --- a/arch/x86/include/asm/vmx.h +++ b/arch/x86/include/asm/vmx.h @@ -70,8 +70,10 @@ #define SECONDARY_EXEC_APIC_REGISTER_VIRT 0x00000100 #define SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY 0x00000200 #define SECONDARY_EXEC_PAUSE_LOOP_EXITING 0x00000400 +#define SECONDARY_EXEC_RDRAND 0x00000800 #define SECONDARY_EXEC_ENABLE_INVPCID 0x00001000 #define SECONDARY_EXEC_SHADOW_VMCS 0x00004000 +#define SECONDARY_EXEC_RDSEED 0x00010000 #define SECONDARY_EXEC_ENABLE_PML 0x00020000 #define SECONDARY_EXEC_XSAVES 0x00100000 #define SECONDARY_EXEC_TSC_SCALING 0x02000000 diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 6aaecc78dd71..efc3a73c2109 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -2745,6 +2745,7 @@ static void nested_vmx_setup_ctls_msrs(struct vcpu_vmx *vmx) vmx->nested.nested_vmx_secondary_ctls_high); vmx->nested.nested_vmx_secondary_ctls_low = 0; vmx->nested.nested_vmx_secondary_ctls_high &= + SECONDARY_EXEC_RDRAND | SECONDARY_EXEC_RDSEED | SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES | SECONDARY_EXEC_RDTSCP | SECONDARY_EXEC_DESC | @@ -8083,6 +8084,10 @@ static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu) return nested_cpu_has(vmcs12, CPU_BASED_INVLPG_EXITING); case EXIT_REASON_RDPMC: return nested_cpu_has(vmcs12, CPU_BASED_RDPMC_EXITING); + case EXIT_REASON_RDRAND: + return nested_cpu_has2(vmcs12, SECONDARY_EXEC_RDRAND); + case EXIT_REASON_RDSEED: + return nested_cpu_has2(vmcs12, SECONDARY_EXEC_RDSEED); case EXIT_REASON_RDTSC: case EXIT_REASON_RDTSCP: return nested_cpu_has(vmcs12, CPU_BASED_RDTSC_EXITING); case EXIT_REASON_VMCALL: case EXIT_REASON_VMCLEAR: -- 1.8.3.1