381 	vq->log_used = false;  in vhost_vq_reset()
1934 				  bool log_used,  in vq_log_used_access_ok()  argument
1942 	return !log_used || log_access_ok(log_base, log_addr,  in vq_log_used_access_ok()
1953 		vq_log_used_access_ok(vq, log_base, vq->log_used, vq->log_addr);  in vq_log_access_ok()
2097 	vq->log_used = !!(a.flags & (0x1 << VHOST_VRING_F_LOG));  in vhost_vring_set_addr()
2496 static int log_used(struct vhost_virtqueue *vq, u64 used_offset, u64 len)  in log_used()  function
2572 	if (unlikely(vq->log_used)) {  in vhost_update_used_flags()
2577 		log_used(vq, (used - (void __user *)vq->used),  in vhost_update_used_flags()
2589 	if (unlikely(vq->log_used)) {  in vhost_update_avail_event()
2595 		log_used(vq, (used - (void __user *)vq->used),  in vhost_update_avail_event()
3011 	if (unlikely(vq->log_used)) {  in __vhost_add_used_n()
3015 		log_used(vq, ((void __user *)used - (void __user *)vq->used),  in __vhost_add_used_n()
3073 	if (unlikely(vq->log_used)) {  in vhost_add_used_n_in_order()
3077 		log_used(vq, ((void __user *)used - (void __user *)vq->used),  in vhost_add_used_n_in_order()
3080 			log_used(vq, 0,  in vhost_add_used_n_in_order()
3117 	if (unlikely(vq->log_used)) {  in vhost_add_used_n()
3121 		log_used(vq, offsetof(struct vring_used, idx),  in vhost_add_used_n()