x86/kvm/x86.c

10036 	init_rwsem(&kvm->arch.apicv_update_lock);
10618 	down_read(&vcpu->kvm->arch.apicv_update_lock);
10643 	up_read(&vcpu->kvm->arch.apicv_update_lock);
10675 	lockdep_assert_held_write(&kvm->arch.apicv_update_lock);
10690 		 * block on acquiring apicv_update_lock so that vCPUs can't
10693 		 * Note, holding apicv_update_lock and taking it in the read
10717 	down_write(&kvm->arch.apicv_update_lock);
10719 	up_write(&kvm->arch.apicv_update_lock);
11950 	down_write(&kvm->arch.apicv_update_lock);
11959 	up_write(&kvm->arch.apicv_update_lock);