Hi Byungchul, [auto build test ERROR on linus/master] [also build test ERROR on v4.14-rc5 next-20171018] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Byungchul-Park/Fix-false-positives-by-cross-release-feature/20171022-022121 config: i386-randconfig-x002-201743 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All errors (new ones prefixed by >>): block/genhd.c: In function '__alloc_disk_node': >> block/genhd.c:1407:24: error: 'struct gendisk' has no member named 'lockdep_map' lockdep_init_map(&disk->lockdep_map, lock_name, key, 0); ^~ vim +1407 block/genhd.c 1356 1357 struct gendisk *__alloc_disk_node(int minors, int node_id, struct lock_class_key *key, const char *lock_name) 1358 { 1359 struct gendisk *disk; 1360 struct disk_part_tbl *ptbl; 1361 1362 if (minors > DISK_MAX_PARTS) { 1363 printk(KERN_ERR 1364 "block: can't allocated more than %d partitions\n", 1365 DISK_MAX_PARTS); 1366 minors = DISK_MAX_PARTS; 1367 } 1368 1369 disk = kzalloc_node(sizeof(struct gendisk), GFP_KERNEL, node_id); 1370 if (disk) { 1371 if (!init_part_stats(&disk->part0)) { 1372 kfree(disk); 1373 return NULL; 1374 } 1375 disk->node_id = node_id; 1376 if (disk_expand_part_tbl(disk, 0)) { 1377 free_part_stats(&disk->part0); 1378 kfree(disk); 1379 return NULL; 1380 } 1381 ptbl = rcu_dereference_protected(disk->part_tbl, 1); 1382 rcu_assign_pointer(ptbl->part[0], &disk->part0); 1383 1384 /* 1385 * set_capacity() and get_capacity() currently don't use 1386 * seqcounter to read/update the part0->nr_sects. Still init 1387 * the counter as we can read the sectors in IO submission 1388 * patch using seqence counters. 1389 * 1390 * TODO: Ideally set_capacity() and get_capacity() should be 1391 * converted to make use of bd_mutex and sequence counters. 1392 */ 1393 seqcount_init(&disk->part0.nr_sects_seq); 1394 if (hd_ref_init(&disk->part0)) { 1395 hd_free_part(&disk->part0); 1396 kfree(disk); 1397 return NULL; 1398 } 1399 1400 disk->minors = minors; 1401 rand_initialize_disk(disk); 1402 disk_to_dev(disk)->class = &block_class; 1403 disk_to_dev(disk)->type = &disk_type; 1404 device_initialize(disk_to_dev(disk)); 1405 } 1406 > 1407 lockdep_init_map(&disk->lockdep_map, lock_name, key, 0); 1408 1409 return disk; 1410 } 1411 EXPORT_SYMBOL(__alloc_disk_node); 1412 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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