diff options
| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2019-08-22 22:30:21 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-09-24 13:37:14 +0200 |
| commit | 6f6a657c99980485c265363447b269083dd1dc3a (patch) | |
| tree | b230046fc9a363fa078bbcb3d9fa1d3a21075379 /arch/x86/kvm/vmx/evmcs.h | |
| parent | 344c6c804703841d2bff4d68d7390ba726053874 (diff) | |
KVM/Hyper-V/VMX: Add direct tlb flush support
Hyper-V provides direct tlb flush function which helps
L1 Hypervisor to handle Hyper-V tlb flush request from
L2 guest. Add the function support for VMX.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/vmx/evmcs.h')
| -rw-r--r-- | arch/x86/kvm/vmx/evmcs.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/vmx/evmcs.h b/arch/x86/kvm/vmx/evmcs.h index 39a24eec8884..07ebf6882a45 100644 --- a/arch/x86/kvm/vmx/evmcs.h +++ b/arch/x86/kvm/vmx/evmcs.h @@ -178,6 +178,8 @@ static inline void evmcs_load(u64 phys_addr) struct hv_vp_assist_page *vp_ap = hv_get_vp_assist_page(smp_processor_id()); + if (current_evmcs->hv_enlightenments_control.nested_flush_hypercall) + vp_ap->nested_control.features.directhypercall = 1; vp_ap->current_nested_vmcs = phys_addr; vp_ap->enlighten_vmentry = 1; } |