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[openeuler:openEuler-1.0-LTS 1345/1345] mm/.tmp_mmu_gather.o: warning: objtool: missing symbol for section .text
by kernel test robot 29 Dec '24

29 Dec '24

Hi Peter, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 773f731853f1368508a0b112047bd9b5a4bb9a5e commit: 1f7b24152a85bec4ea4f5a6219b4702853ffd3e6 [1345/1345] mm/memory: Move mmu_gather and TLB invalidation code into its own file config: x86_64-buildonly-randconfig-001-20241224 (https://download.01.org/0day-ci/archive/20241229/202412290049.0DgodFXr-lkp@…) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241229/202412290049.0DgodFXr-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202412290049.0DgodFXr-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from mm/mmu_gather.c:6: include/linux/pagemap.h:401:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict] 401 | filler_t *filler = (filler_t *)mapping->a_ops->readpage; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. >> mm/.tmp_mmu_gather.o: warning: objtool: missing symbol for section .text -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-5.10 2589/2589] kernel/futex/core.o: warning: objtool: futex_lock_pi()+0x6ec: unreachable instruction
by kernel test robot 28 Dec '24

28 Dec '24

Hi Peter, First bad commit (maybe != root cause): tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 4848f81edc2027721953fee5ded81f909a833e26 commit: f552f518f86f4489577e296625e624271e2f76b2 [2589/2589] futex: Move to kernel/futex/ config: x86_64-buildonly-randconfig-002-20241218 (https://download.01.org/0day-ci/archive/20241228/202412282222.K2wXdQAA-lkp@…) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241228/202412282222.K2wXdQAA-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202412282222.K2wXdQAA-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/futex/core.o: warning: objtool: futex_lock_pi()+0x6ec: unreachable instruction -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1355/1355] kernel/sysctl.c:1817:36: error: 'ten_thousand' undeclared here (not in a function); did you mean 'one_thousand'?
by kernel test robot 28 Dec '24

28 Dec '24

Hi Tang, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 773f731853f1368508a0b112047bd9b5a4bb9a5e commit: 5a2c074184137763d604ffb3f0178da26bee5260 [1355/1355] share_pool: Add sp_alloc trace config: arm64-randconfig-r133-20241227 (https://download.01.org/0day-ci/archive/20241228/202412282259.rKjvWsmv-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20241228/202412282259.rKjvWsmv-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202412282259.rKjvWsmv-lkp@intel.com/ All errors (new ones prefixed by >>): kernel/sysctl.c:1817:36: sparse: sparse: undefined identifier 'ten_thousand' kernel/sysctl.c:2246:66: sparse: sparse: self-comparison always evaluates to false >> kernel/sysctl.c:1817:36: error: 'ten_thousand' undeclared here (not in a function); did you mean 'one_thousand'? 1817 | .extra2 = &ten_thousand, | ^~~~~~~~~~~~ | one_thousand -- >> kernel/sysctl.c:1817:36: error: 'ten_thousand' undeclared here (not in a function); did you mean 'one_thousand'? 1817 | .extra2 = &ten_thousand, | ^~~~~~~~~~~~ | one_thousand vim +1817 kernel/sysctl.c 1274 1275 static struct ctl_table vm_table[] = { 1276 { 1277 .procname = "overcommit_memory", 1278 .data = &sysctl_overcommit_memory, 1279 .maxlen = sizeof(sysctl_overcommit_memory), 1280 .mode = 0644, 1281 .proc_handler = proc_dointvec_minmax, 1282 .extra1 = &zero, 1283 .extra2 = &two, 1284 }, 1285 { 1286 .procname = "panic_on_oom", 1287 .data = &sysctl_panic_on_oom, 1288 .maxlen = sizeof(sysctl_panic_on_oom), 1289 .mode = 0644, 1290 .proc_handler = proc_dointvec_minmax, 1291 .extra1 = &zero, 1292 .extra2 = &two, 1293 }, 1294 #ifdef CONFIG_ASCEND_OOM 1295 { 1296 /* 0: diasable, 1: enable, 2: disable and panic on oom */ 1297 .procname = "enable_oom_killer", 1298 .data = &sysctl_enable_oom_killer, 1299 .maxlen = sizeof(sysctl_enable_oom_killer), 1300 .mode = 0644, 1301 .proc_handler = proc_dointvec_minmax, 1302 .extra1 = &zero, 1303 .extra2 = &two, 1304 }, 1305 #endif 1306 { 1307 .procname = "oom_kill_allocating_task", 1308 .data = &sysctl_oom_kill_allocating_task, 1309 .maxlen = sizeof(sysctl_oom_kill_allocating_task), 1310 .mode = 0644, 1311 .proc_handler = proc_dointvec, 1312 }, 1313 { 1314 .procname = "oom_dump_tasks", 1315 .data = &sysctl_oom_dump_tasks, 1316 .maxlen = sizeof(sysctl_oom_dump_tasks), 1317 .mode = 0644, 1318 .proc_handler = proc_dointvec, 1319 }, 1320 { 1321 .procname = "overcommit_ratio", 1322 .data = &sysctl_overcommit_ratio, 1323 .maxlen = sizeof(sysctl_overcommit_ratio), 1324 .mode = 0644, 1325 .proc_handler = overcommit_ratio_handler, 1326 }, 1327 { 1328 .procname = "overcommit_kbytes", 1329 .data = &sysctl_overcommit_kbytes, 1330 .maxlen = sizeof(sysctl_overcommit_kbytes), 1331 .mode = 0644, 1332 .proc_handler = overcommit_kbytes_handler, 1333 }, 1334 { 1335 .procname = "page-cluster", 1336 .data = &page_cluster, 1337 .maxlen = sizeof(int), 1338 .mode = 0644, 1339 .proc_handler = proc_dointvec_minmax, 1340 .extra1 = &zero, 1341 }, 1342 { 1343 .procname = "dirty_background_ratio", 1344 .data = &dirty_background_ratio, 1345 .maxlen = sizeof(dirty_background_ratio), 1346 .mode = 0644, 1347 .proc_handler = dirty_background_ratio_handler, 1348 .extra1 = &zero, 1349 .extra2 = &one_hundred, 1350 }, 1351 { 1352 .procname = "dirty_background_bytes", 1353 .data = &dirty_background_bytes, 1354 .maxlen = sizeof(dirty_background_bytes), 1355 .mode = 0644, 1356 .proc_handler = dirty_background_bytes_handler, 1357 .extra1 = &one_ul, 1358 }, 1359 { 1360 .procname = "dirty_ratio", 1361 .data = &vm_dirty_ratio, 1362 .maxlen = sizeof(vm_dirty_ratio), 1363 .mode = 0644, 1364 .proc_handler = dirty_ratio_handler, 1365 .extra1 = &zero, 1366 .extra2 = &one_hundred, 1367 }, 1368 { 1369 .procname = "dirty_bytes", 1370 .data = &vm_dirty_bytes, 1371 .maxlen = sizeof(vm_dirty_bytes), 1372 .mode = 0644, 1373 .proc_handler = dirty_bytes_handler, 1374 .extra1 = &dirty_bytes_min, 1375 }, 1376 { 1377 .procname = "dirty_writeback_centisecs", 1378 .data = &dirty_writeback_interval, 1379 .maxlen = sizeof(dirty_writeback_interval), 1380 .mode = 0644, 1381 .proc_handler = dirty_writeback_centisecs_handler, 1382 }, 1383 { 1384 .procname = "dirty_expire_centisecs", 1385 .data = &dirty_expire_interval, 1386 .maxlen = sizeof(dirty_expire_interval), 1387 .mode = 0644, 1388 .proc_handler = proc_dointvec_minmax, 1389 .extra1 = &zero, 1390 }, 1391 { 1392 .procname = "dirtytime_expire_seconds", 1393 .data = &dirtytime_expire_interval, 1394 .maxlen = sizeof(dirtytime_expire_interval), 1395 .mode = 0644, 1396 .proc_handler = dirtytime_interval_handler, 1397 .extra1 = &zero, 1398 }, 1399 { 1400 .procname = "swappiness", 1401 .data = &vm_swappiness, 1402 .maxlen = sizeof(vm_swappiness), 1403 .mode = 0644, 1404 .proc_handler = proc_dointvec_minmax, 1405 .extra1 = &zero, 1406 .extra2 = &one_hundred, 1407 }, 1408 #ifdef CONFIG_SHRINK_PAGECACHE 1409 { 1410 .procname = "cache_reclaim_s", 1411 .data = &vm_cache_reclaim_s, 1412 .maxlen = sizeof(vm_cache_reclaim_s), 1413 .mode = 0644, 1414 .proc_handler = cache_reclaim_sysctl_handler, 1415 .extra1 = &vm_cache_reclaim_s_min, 1416 .extra2 = &vm_cache_reclaim_s_max, 1417 }, 1418 { 1419 .procname = "cache_reclaim_weight", 1420 .data = &vm_cache_reclaim_weight, 1421 .maxlen = sizeof(vm_cache_reclaim_weight), 1422 .mode = 0644, 1423 .proc_handler = proc_dointvec_minmax, 1424 .extra1 = &vm_cache_reclaim_weight_min, 1425 .extra2 = &vm_cache_reclaim_weight_max, 1426 }, 1427 { 1428 .procname = "cache_reclaim_enable", 1429 .data = &vm_cache_reclaim_enable, 1430 .maxlen = sizeof(vm_cache_reclaim_enable), 1431 .mode = 0644, 1432 .proc_handler = cache_reclaim_enable_handler, 1433 .extra1 = &zero, 1434 .extra2 = &one, 1435 }, 1436 #endif 1437 #ifdef CONFIG_HUGETLB_PAGE 1438 { 1439 .procname = "nr_hugepages", 1440 .data = NULL, 1441 .maxlen = sizeof(unsigned long), 1442 .mode = 0644, 1443 .proc_handler = hugetlb_sysctl_handler, 1444 }, 1445 #ifdef CONFIG_NUMA 1446 { 1447 .procname = "nr_hugepages_mempolicy", 1448 .data = NULL, 1449 .maxlen = sizeof(unsigned long), 1450 .mode = 0644, 1451 .proc_handler = &hugetlb_mempolicy_sysctl_handler, 1452 }, 1453 { 1454 .procname = "numa_stat", 1455 .data = &sysctl_vm_numa_stat, 1456 .maxlen = sizeof(int), 1457 .mode = 0644, 1458 .proc_handler = sysctl_vm_numa_stat_handler, 1459 .extra1 = &zero, 1460 .extra2 = &one, 1461 }, 1462 #endif 1463 { 1464 .procname = "hugetlb_shm_group", 1465 .data = &sysctl_hugetlb_shm_group, 1466 .maxlen = sizeof(gid_t), 1467 .mode = 0644, 1468 .proc_handler = proc_dointvec, 1469 }, 1470 { 1471 .procname = "nr_overcommit_hugepages", 1472 .data = NULL, 1473 .maxlen = sizeof(unsigned long), 1474 .mode = 0644, 1475 .proc_handler = hugetlb_overcommit_handler, 1476 }, 1477 #endif 1478 #ifdef CONFIG_MEMCG_QOS 1479 { 1480 .procname = "memcg_qos_enable", 1481 .data = &sysctl_memcg_qos_stat, 1482 .maxlen = sizeof(int), 1483 .mode = 0644, 1484 .proc_handler = sysctl_memcg_qos_handler, 1485 .extra1 = &zero, 1486 .extra2 = &one, 1487 }, 1488 #endif 1489 { 1490 .procname = "lowmem_reserve_ratio", 1491 .data = &sysctl_lowmem_reserve_ratio, 1492 .maxlen = sizeof(sysctl_lowmem_reserve_ratio), 1493 .mode = 0644, 1494 .proc_handler = lowmem_reserve_ratio_sysctl_handler, 1495 }, 1496 { 1497 .procname = "drop_caches", 1498 .data = &sysctl_drop_caches, 1499 .maxlen = sizeof(int), 1500 .mode = 0200, 1501 .proc_handler = drop_caches_sysctl_handler, 1502 .extra1 = &one, 1503 .extra2 = &four, 1504 }, 1505 { 1506 .procname = "drop_caches_loop_limit", 1507 .data = &drop_caches_loop_limit, 1508 .maxlen = sizeof(unsigned int), 1509 .mode = 0644, 1510 .proc_handler = proc_douintvec, 1511 }, 1512 1513 #ifdef CONFIG_COMPACTION 1514 { 1515 .procname = "compact_memory", 1516 .data = &sysctl_compact_memory, 1517 .maxlen = sizeof(int), 1518 .mode = 0200, 1519 .proc_handler = sysctl_compaction_handler, 1520 }, 1521 { 1522 .procname = "extfrag_threshold", 1523 .data = &sysctl_extfrag_threshold, 1524 .maxlen = sizeof(int), 1525 .mode = 0644, 1526 .proc_handler = sysctl_extfrag_handler, 1527 .extra1 = &min_extfrag_threshold, 1528 .extra2 = &max_extfrag_threshold, 1529 }, 1530 { 1531 .procname = "compact_unevictable_allowed", 1532 .data = &sysctl_compact_unevictable_allowed, 1533 .maxlen = sizeof(int), 1534 .mode = 0644, 1535 .proc_handler = proc_dointvec, 1536 .extra1 = &zero, 1537 .extra2 = &one, 1538 }, 1539 1540 #endif /* CONFIG_COMPACTION */ 1541 { 1542 .procname = "min_free_kbytes", 1543 .data = &min_free_kbytes, 1544 .maxlen = sizeof(min_free_kbytes), 1545 .mode = 0644, 1546 .proc_handler = min_free_kbytes_sysctl_handler, 1547 .extra1 = &zero, 1548 }, 1549 { 1550 .procname = "watermark_scale_factor", 1551 .data = &watermark_scale_factor, 1552 .maxlen = sizeof(watermark_scale_factor), 1553 .mode = 0644, 1554 .proc_handler = watermark_scale_factor_sysctl_handler, 1555 .extra1 = &one, 1556 .extra2 = &one_thousand, 1557 }, 1558 { 1559 .procname = "percpu_pagelist_fraction", 1560 .data = &percpu_pagelist_fraction, 1561 .maxlen = sizeof(percpu_pagelist_fraction), 1562 .mode = 0644, 1563 .proc_handler = percpu_pagelist_fraction_sysctl_handler, 1564 .extra1 = &zero, 1565 }, 1566 #ifdef CONFIG_MMU 1567 { 1568 .procname = "max_map_count", 1569 .data = &sysctl_max_map_count, 1570 .maxlen = sizeof(sysctl_max_map_count), 1571 .mode = 0644, 1572 .proc_handler = proc_dointvec_minmax, 1573 .extra1 = &zero, 1574 }, 1575 #else 1576 { 1577 .procname = "nr_trim_pages", 1578 .data = &sysctl_nr_trim_pages, 1579 .maxlen = sizeof(sysctl_nr_trim_pages), 1580 .mode = 0644, 1581 .proc_handler = proc_dointvec_minmax, 1582 .extra1 = &zero, 1583 }, 1584 #endif 1585 { 1586 .procname = "laptop_mode", 1587 .data = &laptop_mode, 1588 .maxlen = sizeof(laptop_mode), 1589 .mode = 0644, 1590 .proc_handler = proc_dointvec_jiffies, 1591 }, 1592 { 1593 .procname = "block_dump", 1594 .data = &block_dump, 1595 .maxlen = sizeof(block_dump), 1596 .mode = 0644, 1597 .proc_handler = proc_dointvec, 1598 .extra1 = &zero, 1599 }, 1600 { 1601 .procname = "vfs_cache_pressure", 1602 .data = &sysctl_vfs_cache_pressure, 1603 .maxlen = sizeof(sysctl_vfs_cache_pressure), 1604 .mode = 0644, 1605 .proc_handler = proc_dointvec, 1606 .extra1 = &zero, 1607 }, 1608 #ifdef HAVE_ARCH_PICK_MMAP_LAYOUT 1609 { 1610 .procname = "legacy_va_layout", 1611 .data = &sysctl_legacy_va_layout, 1612 .maxlen = sizeof(sysctl_legacy_va_layout), 1613 .mode = 0644, 1614 .proc_handler = proc_dointvec, 1615 .extra1 = &zero, 1616 }, 1617 #endif 1618 #ifdef CONFIG_NUMA 1619 { 1620 .procname = "zone_reclaim_mode", 1621 .data = &node_reclaim_mode, 1622 .maxlen = sizeof(node_reclaim_mode), 1623 .mode = 0644, 1624 .proc_handler = proc_dointvec, 1625 .extra1 = &zero, 1626 }, 1627 { 1628 .procname = "min_unmapped_ratio", 1629 .data = &sysctl_min_unmapped_ratio, 1630 .maxlen = sizeof(sysctl_min_unmapped_ratio), 1631 .mode = 0644, 1632 .proc_handler = sysctl_min_unmapped_ratio_sysctl_handler, 1633 .extra1 = &zero, 1634 .extra2 = &one_hundred, 1635 }, 1636 { 1637 .procname = "min_slab_ratio", 1638 .data = &sysctl_min_slab_ratio, 1639 .maxlen = sizeof(sysctl_min_slab_ratio), 1640 .mode = 0644, 1641 .proc_handler = sysctl_min_slab_ratio_sysctl_handler, 1642 .extra1 = &zero, 1643 .extra2 = &one_hundred, 1644 }, 1645 #endif 1646 #ifdef CONFIG_SMP 1647 { 1648 .procname = "stat_interval", 1649 .data = &sysctl_stat_interval, 1650 .maxlen = sizeof(sysctl_stat_interval), 1651 .mode = 0644, 1652 .proc_handler = proc_dointvec_jiffies, 1653 }, 1654 { 1655 .procname = "stat_refresh", 1656 .data = NULL, 1657 .maxlen = 0, 1658 .mode = 0600, 1659 .proc_handler = vmstat_refresh, 1660 }, 1661 #endif 1662 #ifdef CONFIG_MMU 1663 { 1664 .procname = "mmap_min_addr", 1665 .data = &dac_mmap_min_addr, 1666 .maxlen = sizeof(unsigned long), 1667 .mode = 0644, 1668 .proc_handler = mmap_min_addr_handler, 1669 }, 1670 #endif 1671 #ifdef CONFIG_NUMA 1672 { 1673 .procname = "numa_zonelist_order", 1674 .data = &numa_zonelist_order, 1675 .maxlen = NUMA_ZONELIST_ORDER_LEN, 1676 .mode = 0644, 1677 .proc_handler = numa_zonelist_order_handler, 1678 }, 1679 #endif 1680 #if (defined(CONFIG_X86_32) && !defined(CONFIG_UML))|| \ 1681 (defined(CONFIG_SUPERH) && defined(CONFIG_VSYSCALL)) 1682 { 1683 .procname = "vdso_enabled", 1684 #ifdef CONFIG_X86_32 1685 .data = &vdso32_enabled, 1686 .maxlen = sizeof(vdso32_enabled), 1687 #else 1688 .data = &vdso_enabled, 1689 .maxlen = sizeof(vdso_enabled), 1690 #endif 1691 .mode = 0644, 1692 .proc_handler = proc_dointvec, 1693 .extra1 = &zero, 1694 }, 1695 #endif 1696 #ifdef CONFIG_HIGHMEM 1697 { 1698 .procname = "highmem_is_dirtyable", 1699 .data = &vm_highmem_is_dirtyable, 1700 .maxlen = sizeof(vm_highmem_is_dirtyable), 1701 .mode = 0644, 1702 .proc_handler = proc_dointvec_minmax, 1703 .extra1 = &zero, 1704 .extra2 = &one, 1705 }, 1706 #endif 1707 #ifdef CONFIG_MEMORY_FAILURE 1708 { 1709 .procname = "memory_failure_early_kill", 1710 .data = &sysctl_memory_failure_early_kill, 1711 .maxlen = sizeof(sysctl_memory_failure_early_kill), 1712 .mode = 0644, 1713 .proc_handler = proc_dointvec_minmax, 1714 .extra1 = &zero, 1715 .extra2 = &one, 1716 }, 1717 { 1718 .procname = "memory_failure_recovery", 1719 .data = &sysctl_memory_failure_recovery, 1720 .maxlen = sizeof(sysctl_memory_failure_recovery), 1721 .mode = 0644, 1722 .proc_handler = proc_dointvec_minmax, 1723 .extra1 = &zero, 1724 .extra2 = &one, 1725 }, 1726 #endif 1727 { 1728 .procname = "user_reserve_kbytes", 1729 .data = &sysctl_user_reserve_kbytes, 1730 .maxlen = sizeof(sysctl_user_reserve_kbytes), 1731 .mode = 0644, 1732 .proc_handler = proc_doulongvec_minmax, 1733 }, 1734 { 1735 .procname = "admin_reserve_kbytes", 1736 .data = &sysctl_admin_reserve_kbytes, 1737 .maxlen = sizeof(sysctl_admin_reserve_kbytes), 1738 .mode = 0644, 1739 .proc_handler = proc_doulongvec_minmax, 1740 }, 1741 #ifdef CONFIG_HAVE_ARCH_MMAP_RND_BITS 1742 { 1743 .procname = "mmap_rnd_bits", 1744 .data = &mmap_rnd_bits, 1745 .maxlen = sizeof(mmap_rnd_bits), 1746 .mode = 0600, 1747 .proc_handler = proc_dointvec_minmax, 1748 .extra1 = (void *)&mmap_rnd_bits_min, 1749 .extra2 = (void *)&mmap_rnd_bits_max, 1750 }, 1751 #endif 1752 #ifdef CONFIG_HAVE_ARCH_MMAP_RND_COMPAT_BITS 1753 { 1754 .procname = "mmap_rnd_compat_bits", 1755 .data = &mmap_rnd_compat_bits, 1756 .maxlen = sizeof(mmap_rnd_compat_bits), 1757 .mode = 0600, 1758 .proc_handler = proc_dointvec_minmax, 1759 .extra1 = (void *)&mmap_rnd_compat_bits_min, 1760 .extra2 = (void *)&mmap_rnd_compat_bits_max, 1761 }, 1762 #endif 1763 #ifdef CONFIG_ASCEND_SHARE_POOL 1764 { 1765 .procname = "sharepool_ac_mode", 1766 .data = &sysctl_ac_mode, 1767 .maxlen = sizeof(sysctl_ac_mode), 1768 .mode = 0600, 1769 .proc_handler = proc_dointvec_minmax, 1770 .extra1 = &zero, 1771 .extra2 = &one, 1772 }, 1773 { 1774 .procname = "sharepool_debug_mode", 1775 .data = &sysctl_sp_debug_mode, 1776 .maxlen = sizeof(sysctl_sp_debug_mode), 1777 .mode = 0600, 1778 .proc_handler = proc_dointvec_minmax, 1779 .extra1 = &zero, 1780 .extra2 = &one, 1781 }, 1782 { 1783 /* 0: map_unlock, 1: map_lock */ 1784 .procname = "share_pool_map_lock_enable", 1785 .data = &sysctl_share_pool_map_lock_enable, 1786 .maxlen = sizeof(int), 1787 .mode = 0644, 1788 .proc_handler = proc_dointvec_minmax, 1789 .extra1 = &zero, 1790 .extra2 = &one, 1791 }, 1792 { 1793 .procname = "sharepool_compact_enable", 1794 .data = &sysctl_sp_compact_enable, 1795 .maxlen = sizeof(sysctl_sp_compact_enable), 1796 .mode = 0600, 1797 .proc_handler = proc_dointvec_minmax, 1798 .extra1 = &zero, 1799 .extra2 = &one, 1800 }, 1801 { 1802 .procname = "sharepool_compact_interval", 1803 .data = &sysctl_sp_compact_interval, 1804 .maxlen = sizeof(sysctl_sp_compact_interval), 1805 .mode = 0600, 1806 .proc_handler = proc_doulongvec_minmax, 1807 .extra1 = &zero_ul, 1808 .extra2 = &sysctl_sp_compact_interval_max, 1809 }, 1810 { 1811 .procname = "sharepool_perf_alloc", 1812 .data = &sysctl_sp_perf_alloc, 1813 .maxlen = sizeof(sysctl_sp_perf_alloc), 1814 .mode = 0600, 1815 .proc_handler = proc_dointvec_minmax, 1816 .extra1 = &zero, > 1817 .extra2 = &ten_thousand, 1818 }, 1819 #endif 1820 { } 1821 }; 1822 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1355/1355] mm/share_pool.c:837:29: sparse: sparse: incompatible types for operation (<=):
by kernel test robot 28 Dec '24

28 Dec '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 773f731853f1368508a0b112047bd9b5a4bb9a5e commit: 0f0c3021514f52310056c32406b4b760fc9a7e6e [1355/1355] share_pool: Apply sp_group_id_by_pid() to multi-group-mode config: arm64-randconfig-r133-20241227 (https://download.01.org/0day-ci/archive/20241228/202412282007.9AwBcoM1-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20241228/202412282007.9AwBcoM1-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202412282007.9AwBcoM1-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> mm/share_pool.c:837:29: sparse: sparse: incompatible types for operation (<=): mm/share_pool.c:837:29: sparse: int *num mm/share_pool.c:837:29: sparse: int mm/share_pool.c: In function 'sp_group_id_by_pid': mm/share_pool.c:837:29: warning: ordered comparison of pointer with integer zero [-Wextra] 837 | if (!spg_ids || num <= 0) | ^~ In function 'vmalloc_area_clr_flag', inlined from 'sp_make_share_k2u' at mm/share_pool.c:2550:8: mm/share_pool.c:2396:18: warning: 'spa' may be used uninitialized [-Wmaybe-uninitialized] 2396 | spa->kva = 0; | ~~~~~~~~~^~~ mm/share_pool.c: In function 'sp_make_share_k2u': mm/share_pool.c:2429:25: note: 'spa' was declared here 2429 | struct sp_area *spa; | ^~~ mm/share_pool.c:2562:16: warning: 'uva' may be used uninitialized [-Wmaybe-uninitialized] 2562 | return uva; | ^~~ mm/share_pool.c:2427:15: note: 'uva' was declared here 2427 | void *uva; | ^~~ mm/share_pool.c:829: warning: Function parameter or member 'spg_ids' not described in 'sp_group_id_by_pid' mm/share_pool.c:829: warning: Function parameter or member 'num' not described in 'sp_group_id_by_pid' mm/share_pool.c:2423: warning: duplicate section name 'Return' vim +837 mm/share_pool.c 815 816 /** 817 * sp_group_id_by_pid() - Get the sp_group ID array of a process. 818 * @pid: pid of target process. 819 * @spg_ids point to an array to save the group ids the process belongs to 820 * @num input the spg_ids array size; output the spg number of the process 821 * 822 * Return: 823 * >0 - the sp_group ID. 824 * -ENODEV - target process doesn't belong to any sp_group. 825 * -EINVAL - spg_ids or num is NULL. 826 * -E2BIG - the num of groups process belongs to is larger than *num 827 */ 828 int sp_group_id_by_pid(int pid, int *spg_ids, int *num) 829 { 830 int ret = 0; 831 struct sp_group_node *node; 832 struct sp_group_master *master = NULL; 833 struct task_struct *tsk; 834 835 check_interrupt_context(); 836 > 837 if (!spg_ids || num <= 0) 838 return -EINVAL; 839 840 ret = get_task(pid, &tsk); 841 if (ret) 842 return ret; 843 844 down_read(&sp_group_sem); 845 task_lock(tsk); 846 if (tsk->mm) 847 master = tsk->mm->sp_group_master; 848 task_unlock(tsk); 849 850 if (!master) { 851 ret = -ENODEV; 852 goto out_up_read; 853 } 854 855 if (!master->count) { 856 ret = -ENODEV; 857 goto out_up_read; 858 } 859 if ((unsigned int)*num < master->count) { 860 ret = -E2BIG; 861 goto out_up_read; 862 } 863 *num = master->count; 864 865 list_for_each_entry(node, &master->node_list, group_node) 866 *(spg_ids++) = node->spg->id; 867 868 out_up_read: 869 up_read(&sp_group_sem); 870 put_task_struct(tsk); 871 return ret; 872 } 873 EXPORT_SYMBOL_GPL(sp_group_id_by_pid); 874 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1355/1355] include/linux/share_pool.h:150:26: sparse: sparse: incorrect type in return expression (different address spaces)
by kernel test robot 28 Dec '24

28 Dec '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 773f731853f1368508a0b112047bd9b5a4bb9a5e commit: 4a280fac30d27ae2aff096f9f99aa12d50f83426 [1355/1355] ascend: share_pool: support share pool features for ascend platform config: arm64-randconfig-r133-20241227 (https://download.01.org/0day-ci/archive/20241228/202412281933.AtwopaHj-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20241228/202412281933.AtwopaHj-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202412281933.AtwopaHj-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) mm/gup.c: note: in included file: >> include/linux/share_pool.h:150:26: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected struct task_struct * @@ got struct task_struct [noderef] __rcu *owner @@ include/linux/share_pool.h:150:26: sparse: expected struct task_struct * include/linux/share_pool.h:150:26: sparse: got struct task_struct [noderef] __rcu *owner mm/gup.c:1769:47: sparse: sparse: self-comparison always evaluates to false mm/gup.c:1794:47: sparse: sparse: self-comparison always evaluates to false mm/gup.c:1830:6: warning: no previous prototype for 'gup_fast_permitted' [-Wmissing-prototypes] 1830 | bool gup_fast_permitted(unsigned long start, int nr_pages, int write) | ^~~~~~~~~~~~~~~~~~ vim +150 include/linux/share_pool.h 2facb5901ceebe Ding Tianhong 2021-10-30 146 2facb5901ceebe Ding Tianhong 2021-10-30 147 static inline struct task_struct *sp_get_task(struct mm_struct *mm) 2facb5901ceebe Ding Tianhong 2021-10-30 148 { 2facb5901ceebe Ding Tianhong 2021-10-30 149 if (enable_ascend_share_pool) 2facb5901ceebe Ding Tianhong 2021-10-30 @150 return mm->owner; 2facb5901ceebe Ding Tianhong 2021-10-30 151 else 2facb5901ceebe Ding Tianhong 2021-10-30 152 return current; 2facb5901ceebe Ding Tianhong 2021-10-30 153 } 2facb5901ceebe Ding Tianhong 2021-10-30 154 :::::: The code at line 150 was first introduced by commit :::::: 2facb5901ceebe6736c0d192ca50be5d26c70ad9 ascend: vmalloc: export new function for share pool :::::: TO: Ding Tianhong <dingtianhong(a)huawei.com> :::::: CC: Yang Yingliang <yangyingliang(a)huawei.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-5.10 2601/2601] net/smc/smc_core.c:770:6: sparse: sparse: symbol '__smcr_link_clear' was not declared. Should it be static?
by kernel test robot 28 Dec '24

28 Dec '24

tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 053a6b6f8e4c86200cdb20bc80c063c3bb119859 commit: 7dad816cb1f8841fda526c0978c10a94793f1178 [2601/2601] anolis: net/smc: Resolve the race between SMC-R link access and clear config: x86_64-randconfig-121-20241228 (https://download.01.org/0day-ci/archive/20241228/202412281741.d8yDMbp6-lkp@…) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241228/202412281741.d8yDMbp6-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202412281741.d8yDMbp6-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> net/smc/smc_core.c:770:6: sparse: sparse: symbol '__smcr_link_clear' was not declared. Should it be static? vim +/__smcr_link_clear +770 net/smc/smc_core.c 769 > 770 void __smcr_link_clear(struct smc_link *lnk) 771 { 772 smc_wr_free_link_mem(lnk); 773 smc_lgr_put(lnk->lgr); /* lgr_hold in smcr_link_init() */ 774 memset(lnk, 0, sizeof(struct smc_link)); 775 lnk->state = SMC_LNK_UNUSED; 776 } 777 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-5.10 2589/2589] drivers/block/nbd.o: warning: objtool: nbd_alloc_and_init_config()+0x35: unreachable instruction
by kernel test robot 28 Dec '24

28 Dec '24

Hi Yu, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 053a6b6f8e4c86200cdb20bc80c063c3bb119859 commit: d2cdad29e00e63ab3a32f5f0d90acc757ff5653a [2589/2589] nbd: fold nbd config initialization into nbd_alloc_config() config: x86_64-buildonly-randconfig-002-20241218 (https://download.01.org/0day-ci/archive/20241228/202412281725.LnOuPqEI-lkp@…) compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241228/202412281725.LnOuPqEI-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202412281725.LnOuPqEI-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/block/nbd.o: warning: objtool: nbd_alloc_and_init_config()+0x35: unreachable instruction -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[PATCH OLK-6.6] hwmon: (nct6775-core) Fix overflows seen when writing limit attributes
by Li Huafei 28 Dec '24

28 Dec '24

From: Pei Xiao <xiaopei01(a)kylinos.cn> stable inclusion from stable-v6.6.64 commit 685c10269c41d23d7a2b85d3fd6b6345390c8746 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IBDHGY CVE: CVE-2024-53159 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- [ Upstream commit 57ee12b6c514146c19b6a159013b48727a012960 ] DIV_ROUND_CLOSEST() after kstrtoul() results in an overflow if a large number such as 18446744073709551615 is provided by the user. Fix it by reordering clamp_val() and DIV_ROUND_CLOSEST() operations. Signed-off-by: Pei Xiao <xiaopei01(a)kylinos.cn> Fixes: c3963bc0a0cf ("hwmon: (nct6775) Split core and platform driver") Message-ID: <7d5084cea33f7c0fd0578c59adfff71f93de94d9.1731375425.git.xiaopei01(a)kylinos.cn> Signed-off-by: Guenter Roeck <linux(a)roeck-us.net> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: Li Huafei <lihuafei1(a)huawei.com> --- drivers/hwmon/nct6775-core.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/hwmon/nct6775-core.c b/drivers/hwmon/nct6775-core.c index 8da7aa1614d7..16f6b7ba2a5d 100644 --- a/drivers/hwmon/nct6775-core.c +++ b/drivers/hwmon/nct6775-core.c @@ -2878,8 +2878,7 @@ store_target_temp(struct device *dev, struct device_attribute *attr, if (err < 0) return err; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, - data->target_temp_mask); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, data->target_temp_mask * 1000), 1000); mutex_lock(&data->update_lock); data->target_temp[nr] = val; @@ -2959,7 +2958,7 @@ store_temp_tolerance(struct device *dev, struct device_attribute *attr, return err; /* Limit tolerance as needed */ - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, data->tolerance_mask); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, data->tolerance_mask * 1000), 1000); mutex_lock(&data->update_lock); data->temp_tolerance[index][nr] = val; @@ -3085,7 +3084,7 @@ store_weight_temp(struct device *dev, struct device_attribute *attr, if (err < 0) return err; - val = clamp_val(DIV_ROUND_CLOSEST(val, 1000), 0, 255); + val = DIV_ROUND_CLOSEST(clamp_val(val, 0, 255000), 1000); mutex_lock(&data->update_lock); data->weight_temp[index][nr] = val; -- 2.25.1

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[PATCH OLK-6.6] firmware_loader: Fix possible resource leak in fw_log_firmware_info()
by dinglongwei 28 Dec '24

28 Dec '24

From: Gaosheng Cui <cuigaosheng1(a)huawei.com> stable inclusion from stable-v6.6.64 commit 789a72498d32f88d24371c10985aceb46397056c category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IBEAFY CVE: CVE-2024-53202 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id… -------------------------------- firmware_loader: Fix possible resource leak in fw_log_firmware_info() [ Upstream commit 369a9c046c2fdfe037f05b43b84c386bdbccc103 ] The alg instance should be released under the exception path, otherwise there may be resource leak here. To mitigate this, free the alg instance with crypto_free_shash when kmalloc fails. Fixes: 02fe26f25325 ("firmware_loader: Add debug message with checksum for FW file") Signed-off-by: Gaosheng Cui <cuigaosheng1(a)huawei.com> Reviewed-by: Amadeusz Sławiński <amadeuszx.slawinski(a)linux.intel.com> Reviewed-by: Russ Weight <russ.weight(a)linux.dev> Link: https://lore.kernel.org/r/20241016110335.3677924-1-cuigaosheng1@huawei.com Signed-off-by: Greg Kroah-Hartman <gregkh(a)linuxfoundation.org> Signed-off-by: Sasha Levin <sashal(a)kernel.org> Signed-off-by: dinglongwei <dinglongwei1(a)huawei.com> --- drivers/base/firmware_loader/main.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index 0b18c6b46e65..f3133ba831c5 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -824,19 +824,18 @@ static void fw_log_firmware_info(const struct firmware *fw, const char *name, st shash->tfm = alg; if (crypto_shash_digest(shash, fw->data, fw->size, sha256buf) < 0) - goto out_shash; + goto out_free; for (int i = 0; i < SHA256_DIGEST_SIZE; i++) sprintf(&outbuf[i * 2], "%02x", sha256buf[i]); outbuf[SHA256_BLOCK_SIZE] = 0; dev_dbg(device, "Loaded FW: %s, sha256: %s\n", name, outbuf); -out_shash: - crypto_free_shash(alg); out_free: kfree(shash); kfree(outbuf); kfree(sha256buf); + crypto_free_shash(alg); } #else static void fw_log_firmware_info(const struct firmware *fw, const char *name, -- 2.22.0

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[openeuler:openEuler-1.0-LTS 1355/1355] include/linux/kern_levels.h:5:25: warning: format '%p' expects argument of type 'void *', but argument 40 has type 'long unsigned int'
by kernel test robot 28 Dec '24

28 Dec '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 773f731853f1368508a0b112047bd9b5a4bb9a5e commit: 2d2fe6b40444bd8f84f674930ac5f98a6314702e [1355/1355] ascend: mm: add an owner for mm_struct config: arm64-randconfig-r133-20241227 (https://download.01.org/0day-ci/archive/20241228/202412281637.7HUx9YuE-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce: (https://download.01.org/0day-ci/archive/20241228/202412281637.7HUx9YuE-lkp@…) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp(a)intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202412281637.7HUx9YuE-lkp@intel.com/ All warnings (new ones prefixed by >>): mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t mm/debug.c:35:9: sparse: sparse: cast from restricted gfp_t In file included from include/linux/printk.h:7, from include/linux/kernel.h:14, from mm/debug.c:9: mm/debug.c: In function 'dump_mm': >> include/linux/kern_levels.h:5:25: warning: format '%p' expects argument of type 'void *', but argument 40 has type 'long unsigned int' [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:8:25: note: in expansion of macro 'KERN_SOH' 8 | #define KERN_EMERG KERN_SOH "0" /* system is unusable */ | ^~~~~~~~ include/linux/printk.h:342:16: note: in expansion of macro 'KERN_EMERG' 342 | printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~ mm/debug.c:117:9: note: in expansion of macro 'pr_emerg' 117 | pr_emerg("mm %px mmap %px seqnum %llu task_size %lu\n" | ^~~~~~~~ >> include/linux/kern_levels.h:5:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 42 has type 'int' [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:8:25: note: in expansion of macro 'KERN_SOH' 8 | #define KERN_EMERG KERN_SOH "0" /* system is unusable */ | ^~~~~~~~ include/linux/printk.h:342:16: note: in expansion of macro 'KERN_EMERG' 342 | printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~ mm/debug.c:117:9: note: in expansion of macro 'pr_emerg' 117 | pr_emerg("mm %px mmap %px seqnum %llu task_size %lu\n" | ^~~~~~~~ include/linux/kern_levels.h:5:25: warning: format '%d' expects argument of type 'int', but argument 44 has type 'long unsigned int' [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:8:25: note: in expansion of macro 'KERN_SOH' 8 | #define KERN_EMERG KERN_SOH "0" /* system is unusable */ | ^~~~~~~~ include/linux/printk.h:342:16: note: in expansion of macro 'KERN_EMERG' 342 | printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~ mm/debug.c:117:9: note: in expansion of macro 'pr_emerg' 117 | pr_emerg("mm %px mmap %px seqnum %llu task_size %lu\n" | ^~~~~~~~ include/linux/kern_levels.h:5:25: warning: format '%lx' expects argument of type 'long unsigned int', but argument 45 has type 'const long unsigned int *' [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:8:25: note: in expansion of macro 'KERN_SOH' 8 | #define KERN_EMERG KERN_SOH "0" /* system is unusable */ | ^~~~~~~~ include/linux/printk.h:342:16: note: in expansion of macro 'KERN_EMERG' 342 | printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~ mm/debug.c:117:9: note: in expansion of macro 'pr_emerg' 117 | pr_emerg("mm %px mmap %px seqnum %llu task_size %lu\n" | ^~~~~~~~ include/linux/kern_levels.h:5:25: warning: format '%p' expects a matching 'void *' argument [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/kern_levels.h:8:25: note: in expansion of macro 'KERN_SOH' 8 | #define KERN_EMERG KERN_SOH "0" /* system is unusable */ | ^~~~~~~~ include/linux/printk.h:342:16: note: in expansion of macro 'KERN_EMERG' 342 | printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~~ mm/debug.c:117:9: note: in expansion of macro 'pr_emerg' 117 | pr_emerg("mm %px mmap %px seqnum %llu task_size %lu\n" | ^~~~~~~~ vim +5 include/linux/kern_levels.h 314ba3520e513a Joe Perches 2012-07-30 4 04d2c8c83d0e3a Joe Perches 2012-07-30 @5 #define KERN_SOH "\001" /* ASCII Start Of Header */ 04d2c8c83d0e3a Joe Perches 2012-07-30 6 #define KERN_SOH_ASCII '\001' 04d2c8c83d0e3a Joe Perches 2012-07-30 7 :::::: The code at line 5 was first introduced by commit :::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for KERN_<LEVEL> to a 2 byte pattern :::::: TO: Joe Perches <joe(a)perches.com> :::::: CC: Linus Torvalds <torvalds(a)linux-foundation.org> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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