diff options
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 2d3be7f3ad67..98209b8c18c1 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -7469,6 +7469,23 @@ void kvm_vcpu_deactivate_apicv(struct kvm_vcpu *vcpu) kvm_x86_ops->refresh_apicv_exec_ctrl(vcpu); } +bool kvm_apicv_activated(struct kvm *kvm) +{ + return (READ_ONCE(kvm->arch.apicv_inhibit_reasons) == 0); +} +EXPORT_SYMBOL_GPL(kvm_apicv_activated); + +void kvm_apicv_init(struct kvm *kvm, bool enable) +{ + if (enable) + clear_bit(APICV_INHIBIT_REASON_DISABLE, + &kvm->arch.apicv_inhibit_reasons); + else + set_bit(APICV_INHIBIT_REASON_DISABLE, + &kvm->arch.apicv_inhibit_reasons); +} +EXPORT_SYMBOL_GPL(kvm_apicv_init); + static void kvm_sched_yield(struct kvm *kvm, unsigned long dest_id) { struct kvm_vcpu *target = NULL; @@ -9219,10 +9236,11 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu) return r; if (irqchip_in_kernel(vcpu->kvm)) { - vcpu->arch.apicv_active = kvm_x86_ops->get_enable_apicv(vcpu->kvm); r = kvm_create_lapic(vcpu, lapic_timer_advance_ns); if (r < 0) goto fail_mmu_destroy; + if (kvm_apicv_activated(vcpu->kvm)) + vcpu->arch.apicv_active = true; } else static_key_slow_inc(&kvm_no_apic_vcpu); |