Index: head/sys/dev/nvdimm/nvdimm_acpi.c
===================================================================
--- head/sys/dev/nvdimm/nvdimm_acpi.c
+++ head/sys/dev/nvdimm/nvdimm_acpi.c
@@ -144,7 +144,9 @@
 			free(spa_mapping, M_NVDIMM_ACPI);
 			break;
 		}
-		nvdimm_create_namespaces(spa_mapping, nfitbl);
+		if (nvdimm_spa_type_user_accessible(spa_type) &&
+		    spa_type != SPA_TYPE_CONTROL_REGION)
+			nvdimm_create_namespaces(spa_mapping, nfitbl);
 		SLIST_INSERT_HEAD(&dev->spas, spa_mapping, link);
 	}
 	free(spas, M_NVDIMM_ACPI);
Index: head/sys/dev/nvdimm/nvdimm_spa.c
===================================================================
--- head/sys/dev/nvdimm/nvdimm_spa.c
+++ head/sys/dev/nvdimm/nvdimm_spa.c
@@ -155,6 +155,15 @@
 	return (SPA_TYPE_UNKNOWN);
 }
 
+bool
+nvdimm_spa_type_user_accessible(enum SPA_mapping_type spa_type)
+{
+
+	if ((int)spa_type < 0 || spa_type >= nitems(nvdimm_SPA_uuid_list))
+		return (false);
+	return (nvdimm_SPA_uuid_list[spa_type].u_usr_acc);
+}
+
 static vm_memattr_t
 nvdimm_spa_memattr(uint64_t efi_mem_flags)
 {
Index: head/sys/dev/nvdimm/nvdimm_var.h
===================================================================
--- head/sys/dev/nvdimm/nvdimm_var.h
+++ head/sys/dev/nvdimm/nvdimm_var.h
@@ -166,6 +166,7 @@
     uint64_t ***listp, int *countp);
 enum SPA_mapping_type nvdimm_spa_type_from_name(const char *);
 enum SPA_mapping_type nvdimm_spa_type_from_uuid(struct uuid *);
+bool nvdimm_spa_type_user_accessible(enum SPA_mapping_type);
 struct nvdimm_dev *nvdimm_find_by_handle(nfit_handle_t nv_handle);
 int nvdimm_spa_init(struct SPA_mapping *spa, ACPI_NFIT_SYSTEM_ADDRESS *nfitaddr,
     enum SPA_mapping_type spa_type);