diff options
| -rw-r--r-- | arch/x86/kvm/hyperv.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kvm/hyperv.h b/arch/x86/kvm/hyperv.h index 7706e203ff43..bd698eb2bda1 100644 --- a/arch/x86/kvm/hyperv.h +++ b/arch/x86/kvm/hyperv.h @@ -174,6 +174,14 @@ static inline void kvm_hv_vcpu_purge_flush_tlb(struct kvm_vcpu *vcpu) kfifo_reset_out(&tlb_flush_fifo->entries); } +static inline bool guest_hv_cpuid_has_l2_tlb_flush(struct kvm_vcpu *vcpu) +{ + struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(vcpu); + + return hv_vcpu && + (hv_vcpu->cpuid_cache.nested_eax & HV_X64_NESTED_DIRECT_FLUSH); +} + static inline bool kvm_hv_is_tlb_flush_hcall(struct kvm_vcpu *vcpu) { struct kvm_vcpu_hv *hv_vcpu = to_hv_vcpu(vcpu); |