diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2022-11-01 15:54:03 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-11-18 12:59:16 -0500 |
| commit | 046f5756c49106471bc98bd32b87a62d0717ddda (patch) | |
| tree | 5309fba97f877260a31088645c42336462c07a51 /arch/x86/kvm/vmx/hyperv.c | |
| parent | d4baf1a9a572910d7b4cd63d23bf4be89b7648bd (diff) | |
KVM: nVMX: hyper-v: Cache VP assist page in 'struct kvm_vcpu_hv'
In preparation to enabling L2 TLB flush, cache VP assist page in
'struct kvm_vcpu_hv'. While on it, rename nested_enlightened_vmentry()
to nested_get_evmptr() and make it return eVMCS GPA directly.
No functional change intended.
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221101145426.251680-26-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx/hyperv.c')
| -rw-r--r-- | arch/x86/kvm/vmx/hyperv.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/arch/x86/kvm/vmx/hyperv.c b/arch/x86/kvm/vmx/hyperv.c index f05464db4fdc..bceca1a99804 100644 --- a/arch/x86/kvm/vmx/hyperv.c +++ b/arch/x86/kvm/vmx/hyperv.c @@ -321,24 +321,17 @@ const struct evmcs_field vmcs_field_to_evmcs_1[] = { }; const unsigned int nr_evmcs_1_fields = ARRAY_SIZE(vmcs_field_to_evmcs_1); -bool nested_enlightened_vmentry(struct kvm_vcpu *vcpu, u64 *evmcs_gpa) +u64 nested_get_evmptr(struct kvm_vcpu *vcpu) { - struct hv_vp_assist_page assist_page; - - *evmcs_gpa = -1ull; - - if (unlikely(!kvm_hv_get_assist_page(vcpu, &assist_page))) - return false; - - if (unlikely(!assist_page.enlighten_vmentry)) - return false; + struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(vcpu); - if (unlikely(!evmptr_is_valid(assist_page.current_nested_vmcs))) - return false; + if (unlikely(!kvm_hv_get_assist_page(vcpu))) + return EVMPTR_INVALID; - *evmcs_gpa = assist_page.current_nested_vmcs; + if (unlikely(!hv_vcpu->vp_assist_page.enlighten_vmentry)) + return EVMPTR_INVALID; - return true; + return hv_vcpu->vp_assist_page.current_nested_vmcs; } uint16_t nested_get_evmcs_version(struct kvm_vcpu *vcpu) |