183 	vq->log_base = NULL;  in vhost_vq_reset()
462 static int log_access_ok(void __user *log_base, u64 addr, unsigned long sz)  in log_access_ok()  argument
467 	if (a > ULONG_MAX - (unsigned long)log_base ||  in log_access_ok()
468 	    a + (unsigned long)log_base > ULONG_MAX)  in log_access_ok()
471 	return access_ok(VERIFY_WRITE, log_base + a,  in log_access_ok()
476 static int vq_memory_access_ok(void __user *log_base, struct vhost_memory *mem,  in vq_memory_access_ok()  argument
492 		else if (log_all && !log_access_ok(log_base,  in vq_memory_access_ok()
512 			ok = vq_memory_access_ok(d->vqs[i]->log_base, mem,  in memory_access_ok()
550 			    void __user *log_base)  in vq_log_access_ok()  argument
557 	return vq_memory_access_ok(log_base, mp,  in vq_log_access_ok()
559 		(!vq->log_used || log_access_ok(log_base, vq->log_addr,  in vq_log_access_ok()
569 		vq_log_access_ok(vq->dev, vq, vq->log_base);  in vhost_vq_access_ok()
711 			    !log_access_ok(vq->log_base, a.log_guest_addr,  in vhost_vring_ioctl()
843 				vq->log_base = base;  in vhost_dev_ioctl()
922 static int log_write(void __user *log_base,  in log_write()  argument
932 		u64 base = (u64)(unsigned long)log_base;  in log_write()
957 		r = log_write(vq->log_base, log[i].addr, l);  in vhost_log_write()
982 		log_write(vq->log_base, vq->log_addr +  in vhost_update_used_flags()
1001 		log_write(vq->log_base, vq->log_addr +  in vhost_update_avail_event()
1332 		log_write(vq->log_base,  in vhost_add_used()
1337 		log_write(vq->log_base,  in vhost_add_used()
1371 		log_write(vq->log_base,  in __vhost_add_used_n()
1413 		log_write(vq->log_base,  in vhost_add_used_n()