KVM_APIC_CHECK_VAPIC
if (!test_bit(KVM_APIC_CHECK_VAPIC, &vcpu->arch.apic_attention))
if (!test_bit(KVM_APIC_CHECK_VAPIC, &vcpu->arch.apic_attention))
__set_bit(KVM_APIC_CHECK_VAPIC, &vcpu->arch.apic_attention);
__clear_bit(KVM_APIC_CHECK_VAPIC, &vcpu->arch.apic_attention);