diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2022-11-01 15:53:59 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-11-18 12:59:13 -0500 |
| commit | b0c9c25e46252a576a974dd659f2396774e0dbb1 (patch) | |
| tree | bace7b75efc324c3c1ddcac28ace62868e3d4534 /arch/x86/kvm/vmx | |
| parent | e45aa2444d280747d27d4d98685d761125c4e364 (diff) | |
KVM: x86: Introduce .hv_inject_synthetic_vmexit_post_tlb_flush() nested hook
Hyper-V supports injecting synthetic L2->L1 exit after performing
L2 TLB flush operation but the procedure is vendor specific. Introduce
.hv_inject_synthetic_vmexit_post_tlb_flush nested hook for it.
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: <20221101145426.251680-22-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx')
| -rw-r--r-- | arch/x86/kvm/vmx/hyperv.c | 4 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx/hyperv.h | 1 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx/nested.c | 1 |
3 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx/hyperv.c b/arch/x86/kvm/vmx/hyperv.c index 5e239158174e..f05464db4fdc 100644 --- a/arch/x86/kvm/vmx/hyperv.c +++ b/arch/x86/kvm/vmx/hyperv.c @@ -506,3 +506,7 @@ int nested_enable_evmcs(struct kvm_vcpu *vcpu, return 0; } + +void vmx_hv_inject_synthetic_vmexit_post_tlb_flush(struct kvm_vcpu *vcpu) +{ +} diff --git a/arch/x86/kvm/vmx/hyperv.h b/arch/x86/kvm/vmx/hyperv.h index 99a151af7a81..8efaffe9215b 100644 --- a/arch/x86/kvm/vmx/hyperv.h +++ b/arch/x86/kvm/vmx/hyperv.h @@ -243,5 +243,6 @@ int nested_enable_evmcs(struct kvm_vcpu *vcpu, uint16_t *vmcs_version); void nested_evmcs_filter_control_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata); int nested_evmcs_check_controls(struct vmcs12 *vmcs12); +void vmx_hv_inject_synthetic_vmexit_post_tlb_flush(struct kvm_vcpu *vcpu); #endif /* __KVM_X86_VMX_HYPERV_H */ diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index cce68fd5befb..396712d13211 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -6995,4 +6995,5 @@ struct kvm_x86_nested_ops vmx_nested_ops = { .write_log_dirty = nested_vmx_write_pml_buffer, .enable_evmcs = nested_enable_evmcs, .get_evmcs_version = nested_get_evmcs_version, + .hv_inject_synthetic_vmexit_post_tlb_flush = vmx_hv_inject_synthetic_vmexit_post_tlb_flush, }; |