Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933928AbdC3QyI (ORCPT ); Thu, 30 Mar 2017 12:54:08 -0400 Received: from mail-wr0-f180.google.com ([209.85.128.180]:33287 "EHLO mail-wr0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933165AbdC3QyG (ORCPT ); Thu, 30 Mar 2017 12:54:06 -0400 MIME-Version: 1.0 In-Reply-To: <1490867732-16743-7-git-send-email-pbonzini@redhat.com> References: <1490867732-16743-1-git-send-email-pbonzini@redhat.com> <1490867732-16743-7-git-send-email-pbonzini@redhat.com> From: Jim Mattson Date: Thu, 30 Mar 2017 09:54:03 -0700 Message-ID: Subject: Re: [PATCH 6/6] KVM: nVMX: support RDRAND and RDSEED exiting To: Paolo Bonzini Cc: LKML , kvm list , David Hildenbrand Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2430 Lines: 49 On Thu, Mar 30, 2017 at 2:55 AM, Paolo Bonzini wrote: > Signed-off-by: Paolo Bonzini Reviewed-by: Jim Mattson > --- > 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 >