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From: Paolo Bonzini <pbonzini@redhat.com>
To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org
Cc: bdas@redhat.com, dmatlack@google.com
Subject: [PATCH 6/6] KVM: nVMX: support RDRAND and RDSEED exiting
Date: Wed,  8 Mar 2017 19:03:56 +0100	[thread overview]
Message-ID: <1488996236-5676-7-git-send-email-pbonzini@redhat.com> (raw)
In-Reply-To: <1488996236-5676-1-git-send-email-pbonzini@redhat.com>

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 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 cc54b7026567..b2b6e5b1782b 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 a3395e23cf5a..23b304fc72ec 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2749,6 +2749,7 @@ 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 |
@@ -8132,6 +8133,10 @@ 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

  parent reply	other threads:[~2017-03-08 18:13 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-08 18:03 [PATCH 0/6] KVM: nVMX: nested EPT improvements and A/D bits, RDRAND and RDSEED exits Paolo Bonzini
2017-03-08 18:03 ` [PATCH 1/6] KVM: nVMX: we support 1GB EPT pages Paolo Bonzini
2017-03-09 10:34   ` David Hildenbrand
2017-03-08 18:03 ` [PATCH 2/6] KVM: VMX: cleanup check for invalid EPT violation Paolo Bonzini
2017-03-09 10:43   ` David Hildenbrand
2017-03-09 10:50     ` David Hildenbrand
2017-03-28 10:09       ` Paolo Bonzini
2017-03-08 18:03 ` [PATCH 3/6] kvm: x86: MMU support for EPT accessed/dirty bits Paolo Bonzini
2017-03-08 18:03 ` [PATCH 4/6] kvm: nVMX: support " Paolo Bonzini
2017-03-08 18:03 ` [PATCH 5/6] KVM: VMX: add missing exit reasons Paolo Bonzini
2017-03-09  9:27   ` David Hildenbrand
2017-03-08 18:03 ` Paolo Bonzini [this message]
2017-03-13 18:27   ` [PATCH 6/6] KVM: nVMX: support RDRAND and RDSEED exiting Jim Mattson
2017-03-14  9:55     ` Paolo Bonzini
2017-03-30  9:55 [PATCH v2 0/6] KVM: nVMX: nested EPT improvements and A/D bits, RDRAND and RDSEED exits Paolo Bonzini
2017-03-30  9:55 ` [PATCH 6/6] KVM: nVMX: support RDRAND and RDSEED exiting Paolo Bonzini
2017-03-30 16:54   ` Jim Mattson

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