diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index d5124b520f76..192062f65c97 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -1838,16 +1838,19 @@ static u64 kvm_hv_flush_tlb(struct kvm_vcpu *vcpu, struct kvm_hv_hcall *hc, bool cpumask_clear(&hv_vcpu->tlb_flush); - vcpu_mask = all_cpus ? NULL : - sparse_set_to_vcpu_mask(kvm, sparse_banks, valid_bank_mask, - vp_bitmap, vcpu_bitmap); - /* * vcpu->arch.cr3 may not be up-to-date for running vCPUs so we can't * analyze it here, flush TLB regardless of the specified address space. */ - kvm_make_vcpus_request_mask(kvm, KVM_REQ_TLB_FLUSH_GUEST, - NULL, vcpu_mask, &hv_vcpu->tlb_flush); + if (all_cpus) { + kvm_make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH_GUEST); + } else { + vcpu_mask = sparse_set_to_vcpu_mask(kvm, sparse_banks, valid_bank_mask, + vp_bitmap, vcpu_bitmap); + + kvm_make_vcpus_request_mask(kvm, KVM_REQ_TLB_FLUSH_GUEST, + NULL, vcpu_mask, &hv_vcpu->tlb_flush); + } ret_success: /* We always do full TLB flush, set 'Reps completed' = 'Rep Count' */