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| author | Paolo Bonzini <pbonzini@redhat.com> | 2017-03-30 11:55:32 +0200 |
|---|---|---|
| committer | Radim Krčmář <rkrcmar@redhat.com> | 2017-04-07 16:49:00 +0200 |
| commit | a5f46457047bceaaf32ed7c1d47e3e15bd197e27 (patch) | |
| tree | b17e3bda38e3b58759669cadfe2dd315c91ae9c0 /arch | |
| parent | 1f5199927034007e42a1ee508f62b9b85cc4714a (diff) | |
| download | linux-stable-a5f46457047bceaaf32ed7c1d47e3e15bd197e27.tar.gz linux-stable-a5f46457047bceaaf32ed7c1d47e3e15bd197e27.tar.bz2 linux-stable-a5f46457047bceaaf32ed7c1d47e3e15bd197e27.zip | |
KVM: nVMX: support RDRAND and RDSEED exiting
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/vmx.h | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx.c | 5 |
2 files changed, 7 insertions, 0 deletions
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 5556cce99749..cfdb0d9389d1 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 | @@ -8082,6 +8083,10 @@ 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: |