From: Paolo Bonzini <pbonzini@redhat.com>
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 [thread overview]
Message-ID: <1490867732-16743-7-git-send-email-pbonzini@redhat.com> (raw)
In-Reply-To: <1490867732-16743-1-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 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
next prev parent reply other threads:[~2017-03-30 9:56 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
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 1/6] KVM: nVMX: we support 1GB EPT pages Paolo Bonzini
2017-03-30 9:55 ` [PATCH 2/6] KVM: VMX: remove bogus check for invalid EPT violation Paolo Bonzini
2017-03-30 16:30 ` Jim Mattson
2017-04-03 11:17 ` David Hildenbrand
2017-04-12 20:00 ` David Hildenbrand
2017-03-30 9:55 ` [PATCH 3/6] kvm: x86: MMU support for EPT accessed/dirty bits Paolo Bonzini
2017-03-31 13:52 ` Radim Krčmář
2017-03-30 9:55 ` [PATCH 4/6] kvm: nVMX: support " Paolo Bonzini
2017-03-31 16:24 ` Radim Krčmář
2017-03-31 16:26 ` Paolo Bonzini
2017-04-11 23:35 ` Bandan Das
2017-04-11 23:54 ` Paolo Bonzini
2017-04-12 23:02 ` Bandan Das
2017-04-14 5:17 ` Paolo Bonzini
2017-03-30 9:55 ` [PATCH 5/6] KVM: VMX: add missing exit reasons Paolo Bonzini
2017-03-30 9:55 ` Paolo Bonzini [this message]
2017-03-30 16:54 ` [PATCH 6/6] KVM: nVMX: support RDRAND and RDSEED exiting Jim Mattson
2017-03-31 11:13 ` [PATCH v2 0/6] KVM: nVMX: nested EPT improvements and A/D bits, RDRAND and RDSEED exits Paolo Bonzini
-- strict thread matches above, loose matches on Subject: below --
2017-03-08 18:03 [PATCH " Paolo Bonzini
2017-03-08 18:03 ` [PATCH 6/6] KVM: nVMX: support RDRAND and RDSEED exiting Paolo Bonzini
2017-03-13 18:27 ` Jim Mattson
2017-03-14 9:55 ` Paolo Bonzini
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