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| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2018-12-10 20:21:55 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-12-14 19:59:54 +0300 |
| commit | e2e871ab2f02dc9ca5f06065234475393dcec38b (patch) | |
| tree | 991cd58f1454c2200eb91eed84a4580c962db112 /arch/x86/kvm/svm.c | |
| parent | 220d6586ecb46c163e13576d3143097eebc907e7 (diff) | |
| download | linux-e2e871ab2f02dc9ca5f06065234475393dcec38b.tar.xz | |
x86/kvm/hyper-v: Introduce nested_get_evmcs_version() helper
The upcoming KVM_GET_SUPPORTED_HV_CPUID ioctl will need to return
Enlightened VMCS version in HYPERV_CPUID_NESTED_FEATURES.EAX when
it was enabled.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm.c')
| -rw-r--r-- | arch/x86/kvm/svm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 3cbe67a31c54..0762e81e0498 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -7047,6 +7047,12 @@ failed: return ret; } +static uint16_t nested_get_evmcs_version(struct kvm_vcpu *vcpu) +{ + /* Not supported */ + return 0; +} + static int nested_enable_evmcs(struct kvm_vcpu *vcpu, uint16_t *vmcs_version) { @@ -7185,6 +7191,7 @@ static struct kvm_x86_ops svm_x86_ops __ro_after_init = { .mem_enc_unreg_region = svm_unregister_enc_region, .nested_enable_evmcs = nested_enable_evmcs, + .nested_get_evmcs_version = nested_get_evmcs_version, }; static int __init svm_init(void) |