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[openeuler:OLK-6.6 1474/1474] fs/xfs/libxfs/xfs_alloc.c:102:1: sparse: sparse: symbol 'xfs_ag_fixup_aside' was not declared. Should it be static?
by kernel test robot 02 Dec '24

02 Dec '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: df4c334beecb4cf58e4e8d63b491aa5ac0a84f46 commit: 8c6e9756375dff2e96d3b598992b2f0e8b3682ee [1474/1474] xfs: fix xfs shutdown since we reserve more blocks in agfl fixup config: x86_64-randconfig-121-20241118 (https://download.01.org/0day-ci/archive/20241202/202412020323.jAdcem7b-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/20241202/202412020323.jAdcem7b-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/202412020323.jAdcem7b-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> fs/xfs/libxfs/xfs_alloc.c:102:1: sparse: sparse: symbol 'xfs_ag_fixup_aside' was not declared. Should it be static? vim +/xfs_ag_fixup_aside +102 fs/xfs/libxfs/xfs_alloc.c 94 95 /* 96 * Twice fixup for the same ag may happen within exact one tp, and the consume 97 * of agfl after first fixup may trigger second fixup's failure, then xfs will 98 * shutdown. To avoid that, we reserve blocks which can satisfy the second 99 * fixup. 100 */ 101 xfs_extlen_t > 102 xfs_ag_fixup_aside( 103 struct xfs_mount *mp) 104 { 105 xfs_extlen_t ret; 106 107 ret = 2 * mp->m_alloc_maxlevels; 108 if (xfs_has_rmapbt(mp)) 109 ret += mp->m_rmap_maxlevels; 110 111 return ret; 112 } 113 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1298/1298] drivers/hid/i2c-hid/i2c-hid-core.o: warning: objtool: missing symbol for section .init.text
by kernel test robot 02 Dec '24

02 Dec '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: b5504db0db8375a77340b5bb54c17cfb75d3c754 commit: 211070f39ed4ec7390dca8351c9fee934b8179e7 [1298/1298] HID: i2c-hid: override HID descriptors for certain devices config: x86_64-buildonly-randconfig-006-20241118 (https://download.01.org/0day-ci/archive/20241202/202412020345.oZKo876S-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/20241202/202412020345.oZKo876S-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/202412020345.oZKo876S-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/hid/i2c-hid/i2c-hid-core.c:21: include/linux/module.h:140:14: warning: 'cleanup_module' specifies less restrictive attribute than its target 'i2c_hid_driver_exit': 'cold' [-Wmissing-attributes] 140 | void cleanup_module(void) __attribute__((alias(#exitfn))); | ^~~~~~~~~~~~~~ include/linux/device.h:1637:1: note: in expansion of macro 'module_exit' 1637 | module_exit(__driver##_exit); | ^~~~~~~~~~~ include/linux/i2c.h:870:9: note: in expansion of macro 'module_driver' 870 | module_driver(__i2c_driver, i2c_add_driver, \ | ^~~~~~~~~~~~~ drivers/hid/i2c-hid/i2c-hid-core.c:1344:1: note: in expansion of macro 'module_i2c_driver' 1344 | module_i2c_driver(i2c_hid_driver); | ^~~~~~~~~~~~~~~~~ In file included from include/linux/i2c.h:30, from drivers/hid/i2c-hid/i2c-hid-core.c:22: drivers/hid/i2c-hid/i2c-hid-core.c:1344:19: note: 'cleanup_module' target declared here 1344 | module_i2c_driver(i2c_hid_driver); | ^~~~~~~~~~~~~~ include/linux/device.h:1633:20: note: in definition of macro 'module_driver' 1633 | static void __exit __driver##_exit(void) \ | ^~~~~~~~ drivers/hid/i2c-hid/i2c-hid-core.c:1344:1: note: in expansion of macro 'module_i2c_driver' 1344 | module_i2c_driver(i2c_hid_driver); | ^~~~~~~~~~~~~~~~~ include/linux/module.h:134:13: warning: 'init_module' specifies less restrictive attribute than its target 'i2c_hid_driver_init': 'cold' [-Wmissing-attributes] 134 | int init_module(void) __attribute__((alias(#initfn))); | ^~~~~~~~~~~ include/linux/device.h:1632:1: note: in expansion of macro 'module_init' 1632 | module_init(__driver##_init); \ | ^~~~~~~~~~~ include/linux/i2c.h:870:9: note: in expansion of macro 'module_driver' 870 | module_driver(__i2c_driver, i2c_add_driver, \ | ^~~~~~~~~~~~~ drivers/hid/i2c-hid/i2c-hid-core.c:1344:1: note: in expansion of macro 'module_i2c_driver' 1344 | module_i2c_driver(i2c_hid_driver); | ^~~~~~~~~~~~~~~~~ drivers/hid/i2c-hid/i2c-hid-core.c:1344:19: note: 'init_module' target declared here 1344 | module_i2c_driver(i2c_hid_driver); | ^~~~~~~~~~~~~~ include/linux/device.h:1628:19: note: in definition of macro 'module_driver' 1628 | static int __init __driver##_init(void) \ | ^~~~~~~~ drivers/hid/i2c-hid/i2c-hid-core.c:1344:1: note: in expansion of macro 'module_i2c_driver' 1344 | module_i2c_driver(i2c_hid_driver); | ^~~~~~~~~~~~~~~~~ drivers/hid/i2c-hid/i2c-hid-core.c:327: warning: Function parameter or member 'data_len' not described in 'i2c_hid_set_or_send_report' drivers/hid/i2c-hid/i2c-hid-core.c:327: warning: Excess function parameter 'len' description in 'i2c_hid_set_or_send_report' drivers/hid/i2c-hid/i2c-hid-core.o: warning: objtool: i2c_hid_parse()+0x41e: sibling call from callable instruction with modified stack frame drivers/hid/i2c-hid/i2c-hid-core.o: warning: objtool: i2c_hid_probe()+0x2f: sibling call from callable instruction with modified stack frame >> drivers/hid/i2c-hid/i2c-hid-core.o: warning: objtool: missing symbol for section .init.text -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1298/1298] drivers/video/fbdev/core/fbcon.o: warning: objtool: missing symbol for section .exit.text
by kernel test robot 02 Dec '24

02 Dec '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: b5504db0db8375a77340b5bb54c17cfb75d3c754 commit: bedb38fc917527e7a6a7e5a0ecedd44690fab167 [1298/1298] fbcon: Only defer console takeover if the current console driver is the dummycon config: x86_64-buildonly-randconfig-006-20241118 (https://download.01.org/0day-ci/archive/20241202/202412020207.XDv7sxtE-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/20241202/202412020207.XDv7sxtE-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/202412020207.XDv7sxtE-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/video/fbdev/core/fbcon.c: In function 'fbcon_exit': drivers/video/fbdev/core/fbcon.c:3663:21: warning: variable 'pending' set but not used [-Wunused-but-set-variable] 3663 | int pending = 0; | ^~~~~~~ drivers/video/fbdev/core/fbcon.o: warning: objtool: con2fb_release_oldinfo.constprop.0()+0x108: sibling call from callable instruction with modified stack frame drivers/video/fbdev/core/fbcon.o: warning: objtool: set_con2fb_map()+0x303: sibling call from callable instruction with modified stack frame drivers/video/fbdev/core/fbcon.o: warning: objtool: fbcon_fb_registered()+0x1a2: sibling call from callable instruction with modified stack frame drivers/video/fbdev/core/fbcon.o: warning: objtool: fbcon_init()+0x702: sibling call from callable instruction with modified stack frame drivers/video/fbdev/core/fbcon.o: warning: objtool: fbcon_event_notify()+0x12b: sibling call from callable instruction with modified stack frame drivers/video/fbdev/core/fbcon.o: warning: objtool: fbcon_switch()+0x7f2: sibling call from callable instruction with modified stack frame >> drivers/video/fbdev/core/fbcon.o: warning: objtool: missing symbol for section .exit.text -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 1459/1459] mm/memcontrol.c:3147:6: warning: no previous prototype for 'hisi_oom_recover'
by kernel test robot 02 Dec '24

02 Dec '24

Hi Weilong, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: df4c334beecb4cf58e4e8d63b491aa5ac0a84f46 commit: b498d9f1bacd40d583c0970cab02ad522127a7e7 [1459/1459] arm64/ascend: Add new enable_oom_killer interface for oom contrl config: arm64-randconfig-003-20241113 (https://download.01.org/0day-ci/archive/20241202/202412020047.bA4x90tl-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241202/202412020047.bA4x90tl-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/202412020047.bA4x90tl-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/memcontrol.c:3147:6: warning: no previous prototype for 'hisi_oom_recover' [-Wmissing-prototypes] 3147 | void hisi_oom_recover(struct obj_cgroup *objcg) | ^~~~~~~~~~~~~~~~ vim +/hisi_oom_recover +3147 mm/memcontrol.c 3145 3146 #ifdef CONFIG_ASCEND_OOM > 3147 void hisi_oom_recover(struct obj_cgroup *objcg) 3148 { 3149 struct mem_cgroup *memcg; 3150 3151 memcg = get_mem_cgroup_from_objcg(objcg); 3152 if (!mem_cgroup_is_root(memcg)) 3153 memcg_oom_recover(memcg); 3154 css_put(&memcg->css); 3155 } 3156 #else 3157 static inline void hisi_oom_recover(struct obj_cgroup *objcg) { } 3158 #endif 3159 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 1474/1474] mm/memblock.c:1409:20: sparse: sparse: symbol 'memblock_alloc_range_nid_flags' was not declared. Should it be static?
by kernel test robot 02 Dec '24

02 Dec '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: df4c334beecb4cf58e4e8d63b491aa5ac0a84f46 commit: 64018b291c1f49622c4b23b303364d760306d662 [1474/1474] mm/memblock: Introduce ability to alloc memory from specify memory region config: x86_64-randconfig-121-20241118 (https://download.01.org/0day-ci/archive/20241202/202412020025.26TZQM2V-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/20241202/202412020025.26TZQM2V-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/202412020025.26TZQM2V-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> mm/memblock.c:1409:20: sparse: sparse: symbol 'memblock_alloc_range_nid_flags' was not declared. Should it be static? vim +/memblock_alloc_range_nid_flags +1409 mm/memblock.c 1386 1387 /** 1388 * memblock_alloc_range_nid_flags - allocate boot memory block with specify flag 1389 * @size: size of memory block to be allocated in bytes 1390 * @align: alignment of the region and block's size 1391 * @start: the lower bound of the memory region to allocate (phys address) 1392 * @end: the upper bound of the memory region to allocate (phys address) 1393 * @nid: nid of the free area to find, %NUMA_NO_NODE for any node 1394 * @exact_nid: control the allocation fall back to other nodes 1395 * @flags: alloc memory from specify memblock flag 1396 * 1397 * The allocation is performed from memory region limited by 1398 * memblock.current_limit if @end == %MEMBLOCK_ALLOC_ACCESSIBLE. 1399 * 1400 * If the specified node can not hold the requested memory and @exact_nid 1401 * is false, the allocation falls back to any node in the system. 1402 * 1403 * In addition, function sets the min_count to 0 using kmemleak_alloc_phys for 1404 * allocated boot memory block, so that it is never reported as leaks. 1405 * 1406 * Return: 1407 * Physical address of allocated memory block on success, %0 on failure. 1408 */ > 1409 phys_addr_t __init memblock_alloc_range_nid_flags(phys_addr_t size, 1410 phys_addr_t align, phys_addr_t start, 1411 phys_addr_t end, int nid, 1412 bool exact_nid, 1413 enum memblock_flags flags) 1414 { 1415 phys_addr_t found; 1416 1417 if (WARN_ONCE(nid == MAX_NUMNODES, "Usage of MAX_NUMNODES is deprecated. Use NUMA_NO_NODE instead\n")) 1418 nid = NUMA_NO_NODE; 1419 1420 if (!align) { 1421 /* Can't use WARNs this early in boot on powerpc */ 1422 dump_stack(); 1423 align = SMP_CACHE_BYTES; 1424 } 1425 1426 again: 1427 found = memblock_find_in_range_node(size, align, start, end, nid, 1428 flags); 1429 if (found && !memblock_reserve(found, size)) 1430 goto done; 1431 1432 if (nid != NUMA_NO_NODE && !exact_nid) { 1433 found = memblock_find_in_range_node(size, align, start, 1434 end, NUMA_NO_NODE, 1435 flags); 1436 if (found && !memblock_reserve(found, size)) 1437 goto done; 1438 } 1439 1440 if (flags & MEMBLOCK_MIRROR) { 1441 flags &= ~MEMBLOCK_MIRROR; 1442 pr_warn_ratelimited("Could not allocate %pap bytes of mirrored memory\n", 1443 &size); 1444 goto again; 1445 } 1446 1447 return 0; 1448 1449 done: 1450 /* 1451 * Skip kmemleak for those places like kasan_init() and 1452 * early_pgtable_alloc() due to high volume. 1453 */ 1454 if (end != MEMBLOCK_ALLOC_NOLEAKTRACE) 1455 /* 1456 * Memblock allocated blocks are never reported as 1457 * leaks. This is because many of these blocks are 1458 * only referred via the physical address which is 1459 * not looked up by kmemleak. 1460 */ 1461 kmemleak_alloc_phys(found, size, 0); 1462 1463 /* 1464 * Some Virtual Machine platforms, such as Intel TDX or AMD SEV-SNP, 1465 * require memory to be accepted before it can be used by the 1466 * guest. 1467 * 1468 * Accept the memory of the allocated buffer. 1469 */ 1470 accept_memory(found, found + size); 1471 1472 return found; 1473 } 1474 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1294/1294] drivers/misc/uacce/uacce.c:739:6: error: implicit declaration of function 'module_refcount'
by kernel test robot 01 Dec '24

01 Dec '24

Hi Yu'an, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: b5504db0db8375a77340b5bb54c17cfb75d3c754 commit: 451823febcb610969f048556cedc41b5e08fafb1 [1294/1294] UACCE backport from mainline config: x86_64-buildonly-randconfig-002-20241113 (https://download.01.org/0day-ci/archive/20241201/202412012257.hGdfU2Vv-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/20241201/202412012257.hGdfU2Vv-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/202412012257.hGdfU2Vv-lkp@intel.com/ All errors (new ones prefixed by >>): >> drivers/misc/uacce/uacce.c:739:6: error: implicit declaration of function 'module_refcount' [-Werror,-Wimplicit-function-declaration] 739 | if (module_refcount(uacce->pdev->driver->owner) > 0) | ^ drivers/misc/uacce/uacce.c:1032:16: warning: unused variable 'uacce' [-Wunused-variable] 1032 | struct uacce *uacce = UACCE_FROM_CDEV_ATTR(dev); | ^~~~~ drivers/misc/uacce/uacce.c:1046:16: warning: unused variable 'uacce' [-Wunused-variable] 1046 | struct uacce *uacce = UACCE_FROM_CDEV_ATTR(dev); | ^~~~~ 2 warnings and 1 error generated. vim +/module_refcount +739 drivers/misc/uacce/uacce.c 1998d80a018804 drivers/uacce/uacce.c Mingqiang Ling 2019-04-23 717 8bf65d5558d0bd drivers/uacce/uacce.c Mingqiang Ling 2019-07-11 718 /* 8bf65d5558d0bd drivers/uacce/uacce.c Mingqiang Ling 2019-07-11 719 * While user space releases a queue, all the relatives on the queue 76dbd49be7fc95 drivers/uacce/uacce.c xuzaibo 2019-07-11 720 * should be released imediately by this putting. 1998d80a018804 drivers/uacce/uacce.c Mingqiang Ling 2019-04-23 721 */ f7acb5166348bf drivers/uacce/uacce.c Yu'an Wang 2020-02-20 722 static void uacce_put_queue(struct uacce_queue *q) 1998d80a018804 drivers/uacce/uacce.c Mingqiang Ling 2019-04-23 723 { 8bf65d5558d0bd drivers/uacce/uacce.c Mingqiang Ling 2019-07-11 724 struct uacce *uacce = q->uacce; e3234bd66f0c97 drivers/uacce/uacce.c xuzaibo 2019-05-13 725 8bf65d5558d0bd drivers/uacce/uacce.c Mingqiang Ling 2019-07-11 726 /* 8bf65d5558d0bd drivers/uacce/uacce.c Mingqiang Ling 2019-07-11 727 * To do: we should vm_munmap mmio and dus regions, currently we munmap 8bf65d5558d0bd drivers/uacce/uacce.c Mingqiang Ling 2019-07-11 728 * mmio and dus region before put queue. 8bf65d5558d0bd drivers/uacce/uacce.c Mingqiang Ling 2019-07-11 729 */ 8bf65d5558d0bd drivers/uacce/uacce.c Mingqiang Ling 2019-07-11 730 if (uacce->ops->stop_queue) 8bf65d5558d0bd drivers/uacce/uacce.c Mingqiang Ling 2019-07-11 731 uacce->ops->stop_queue(q); 299b4bc20a682a drivers/uacce/uacce.c lingmingqiang 2019-05-06 732 8bf65d5558d0bd drivers/uacce/uacce.c Mingqiang Ling 2019-07-11 733 if (uacce->ops->put_queue) 8bf65d5558d0bd drivers/uacce/uacce.c Mingqiang Ling 2019-07-11 734 uacce->ops->put_queue(q); 8bf65d5558d0bd drivers/uacce/uacce.c Mingqiang Ling 2019-07-11 735 8bf65d5558d0bd drivers/uacce/uacce.c Mingqiang Ling 2019-07-11 736 q->state = UACCE_Q_ZOMBIE; f7acb5166348bf drivers/uacce/uacce.c Yu'an Wang 2020-02-20 737 q->filep->private_data = NULL; f7acb5166348bf drivers/uacce/uacce.c Yu'an Wang 2020-02-20 738 uacce_queue_drain(q); f7acb5166348bf drivers/uacce/uacce.c Yu'an Wang 2020-02-20 @739 if (module_refcount(uacce->pdev->driver->owner) > 0) f7acb5166348bf drivers/uacce/uacce.c Yu'an Wang 2020-02-20 740 module_put(uacce->pdev->driver->owner); 1998d80a018804 drivers/uacce/uacce.c Mingqiang Ling 2019-04-23 741 } 1998d80a018804 drivers/uacce/uacce.c Mingqiang Ling 2019-04-23 742 :::::: The code at line 739 was first introduced by commit :::::: f7acb5166348bf6c75ac40c5e6e14726bc3ca578 uacce: Remove uacce mode 1 relatives :::::: TO: Yu'an Wang <wangyuan46(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:openEuler-1.0-LTS 605/605] kernel/livepatch/core.c:75:16: warning: no previous prototype for function 'klp_check_patch_kprobed'
by kernel test robot 01 Dec '24

01 Dec '24

Hi Cheng, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: b5504db0db8375a77340b5bb54c17cfb75d3c754 commit: 7e2ab91ea07673f855f16b54b7c6e6853b2efc1c [605/605] livepatch/x86: support livepatch without ftrace config: x86_64-randconfig-073-20240521 (https://download.01.org/0day-ci/archive/20241201/202412012256.7lliU69f-lkp@…) compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241201/202412012256.7lliU69f-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/202412012256.7lliU69f-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/livepatch/core.c:75:16: warning: no previous prototype for function 'klp_check_patch_kprobed' [-Wmissing-prototypes] 75 | struct kprobe *klp_check_patch_kprobed(struct klp_patch *patch) | ^ kernel/livepatch/core.c:75:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 75 | struct kprobe *klp_check_patch_kprobed(struct klp_patch *patch) | ^ | static kernel/livepatch/core.c:402:5: warning: no previous prototype for function 'klp_try_disable_patch' [-Wmissing-prototypes] 402 | int klp_try_disable_patch(void *data) | ^ kernel/livepatch/core.c:402:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 402 | int klp_try_disable_patch(void *data) | ^ | static kernel/livepatch/core.c:441:13: warning: no previous prototype for function 'arch_klp_code_modify_prepare' [-Wmissing-prototypes] 441 | void __weak arch_klp_code_modify_prepare(void) | ^ kernel/livepatch/core.c:441:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 441 | void __weak arch_klp_code_modify_prepare(void) | ^ | static kernel/livepatch/core.c:445:13: warning: no previous prototype for function 'arch_klp_code_modify_post_process' [-Wmissing-prototypes] 445 | void __weak arch_klp_code_modify_post_process(void) | ^ kernel/livepatch/core.c:445:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 445 | void __weak arch_klp_code_modify_post_process(void) | ^ | static kernel/livepatch/core.c:617:5: warning: no previous prototype for function 'klp_try_enable_patch' [-Wmissing-prototypes] 617 | int klp_try_enable_patch(void *data) | ^ kernel/livepatch/core.c:617:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 617 | int klp_try_enable_patch(void *data) | ^ | static kernel/livepatch/core.c:1013:12: warning: no previous prototype for function 'arch_klp_func_can_patch' [-Wmissing-prototypes] 1013 | int __weak arch_klp_func_can_patch(struct klp_func *func) | ^ kernel/livepatch/core.c:1013:1: note: declare 'static' if the function is not intended to be used outside of this translation unit 1013 | int __weak arch_klp_func_can_patch(struct klp_func *func) | ^ | static 6 warnings generated. vim +/klp_check_patch_kprobed +75 kernel/livepatch/core.c 7e8d223e3ef865 Cheng Jian 2019-01-28 69 c8f9d7a3aae362 Cheng Jian 2019-01-28 70 #ifdef CONFIG_LIVEPATCH_RESTRICT_KPROBE c8f9d7a3aae362 Cheng Jian 2019-01-28 71 /* c8f9d7a3aae362 Cheng Jian 2019-01-28 72 * Check whether a function has been registered with kprobes before patched. c8f9d7a3aae362 Cheng Jian 2019-01-28 73 * We can't patched this function util we unregisted the kprobes. c8f9d7a3aae362 Cheng Jian 2019-01-28 74 */ c8f9d7a3aae362 Cheng Jian 2019-01-28 @75 struct kprobe *klp_check_patch_kprobed(struct klp_patch *patch) c8f9d7a3aae362 Cheng Jian 2019-01-28 76 { c8f9d7a3aae362 Cheng Jian 2019-01-28 77 struct klp_object *obj; c8f9d7a3aae362 Cheng Jian 2019-01-28 78 struct klp_func *func; c8f9d7a3aae362 Cheng Jian 2019-01-28 79 struct kprobe *kp; c8f9d7a3aae362 Cheng Jian 2019-01-28 80 int i; c8f9d7a3aae362 Cheng Jian 2019-01-28 81 c8f9d7a3aae362 Cheng Jian 2019-01-28 82 klp_for_each_object(patch, obj) { c8f9d7a3aae362 Cheng Jian 2019-01-28 83 klp_for_each_func(obj, func) { c8f9d7a3aae362 Cheng Jian 2019-01-28 84 for (i = 0; i < func->old_size; i++) { c8f9d7a3aae362 Cheng Jian 2019-01-28 85 kp = get_kprobe((void *)func->old_addr + i); c8f9d7a3aae362 Cheng Jian 2019-01-28 86 if (kp) { c8f9d7a3aae362 Cheng Jian 2019-01-28 87 pr_err("func %s has been probed, (un)patch failed\n", c8f9d7a3aae362 Cheng Jian 2019-01-28 88 func->old_name); c8f9d7a3aae362 Cheng Jian 2019-01-28 89 return kp; c8f9d7a3aae362 Cheng Jian 2019-01-28 90 } c8f9d7a3aae362 Cheng Jian 2019-01-28 91 } c8f9d7a3aae362 Cheng Jian 2019-01-28 92 } c8f9d7a3aae362 Cheng Jian 2019-01-28 93 } c8f9d7a3aae362 Cheng Jian 2019-01-28 94 c8f9d7a3aae362 Cheng Jian 2019-01-28 95 return NULL; c8f9d7a3aae362 Cheng Jian 2019-01-28 96 } c8f9d7a3aae362 Cheng Jian 2019-01-28 97 #else c8f9d7a3aae362 Cheng Jian 2019-01-28 98 static inline struct kprobe *klp_check_patch_kprobed(struct klp_patch *patch) c8f9d7a3aae362 Cheng Jian 2019-01-28 99 { c8f9d7a3aae362 Cheng Jian 2019-01-28 100 return NULL; c8f9d7a3aae362 Cheng Jian 2019-01-28 101 } c8f9d7a3aae362 Cheng Jian 2019-01-28 102 #endif /* CONFIG_LIVEPATCH_RESTRICT_KPROBE */ c8f9d7a3aae362 Cheng Jian 2019-01-28 103 :::::: The code at line 75 was first introduced by commit :::::: c8f9d7a3aae362482f81ba7c6819d410d66619ab livepatch/core: Restrict livepatch patched/unpatched when plant kprobe :::::: TO: Cheng Jian <cj.chengjian(a)huawei.com> :::::: CC: Xie XiuQi <xiexiuqi(a)huawei.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 1474/1474] fs/userfaultfd.c:1809:23: sparse: sparse: invalid assignment: |=
by kernel test robot 01 Dec '24

01 Dec '24

tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: df4c334beecb4cf58e4e8d63b491aa5ac0a84f46 commit: 0214feb8f616acf62f9a6a2a131f0a1479b2b8af [1474/1474] mm/userswap: introduce UFFDIO_COPY_MODE_DIRECT_MAP config: x86_64-randconfig-121-20241118 (https://download.01.org/0day-ci/archive/20241201/202412012041.BUdDNxqk-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/20241201/202412012041.BUdDNxqk-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/202412012041.BUdDNxqk-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> fs/userfaultfd.c:1809:23: sparse: sparse: invalid assignment: |= fs/userfaultfd.c:1809:23: sparse: left side has type restricted uffd_flags_t fs/userfaultfd.c:1809:23: sparse: right side has type int fs/userfaultfd.c: note: in included file: include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true fs/userfaultfd.c: note: in included file (through include/linux/rculist.h, include/linux/hashtable.h): include/linux/rcupdate.h:780:9: sparse: sparse: context imbalance in 'handle_userfault' - unexpected unlock fs/userfaultfd.c: note: in included file: include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true -- mm/userfaultfd.c: note: in included file (through include/linux/rbtree.h, include/linux/mm_types.h, include/linux/mmzone.h, ...): include/linux/rcupdate.h:780:9: sparse: sparse: context imbalance in 'mfill_atomic_install_pte' - unexpected unlock include/linux/rcupdate.h:780:9: sparse: sparse: context imbalance in 'mfill_atomic_pte_zeropage' - unexpected unlock include/linux/rcupdate.h:780:9: sparse: sparse: context imbalance in 'mfill_atomic_pte_poison' - unexpected unlock mm/userfaultfd.c: note: in included file: >> include/linux/userfaultfd_k.h:66:45: sparse: sparse: restricted uffd_flags_t degrades to integer >> include/linux/userfaultfd_k.h:67:32: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted uffd_flags_t [usertype] flags @@ got unsigned int enum mfill_atomic_mode mode @@ include/linux/userfaultfd_k.h:67:32: sparse: expected restricted uffd_flags_t [usertype] flags include/linux/userfaultfd_k.h:67:32: sparse: got unsigned int enum mfill_atomic_mode mode >> include/linux/userfaultfd_k.h:66:45: sparse: sparse: restricted uffd_flags_t degrades to integer >> include/linux/userfaultfd_k.h:67:32: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted uffd_flags_t [usertype] flags @@ got unsigned int enum mfill_atomic_mode mode @@ include/linux/userfaultfd_k.h:67:32: sparse: expected restricted uffd_flags_t [usertype] flags include/linux/userfaultfd_k.h:67:32: sparse: got unsigned int enum mfill_atomic_mode mode >> include/linux/userfaultfd_k.h:66:45: sparse: sparse: restricted uffd_flags_t degrades to integer >> include/linux/userfaultfd_k.h:67:32: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted uffd_flags_t [usertype] flags @@ got unsigned int enum mfill_atomic_mode mode @@ include/linux/userfaultfd_k.h:67:32: sparse: expected restricted uffd_flags_t [usertype] flags include/linux/userfaultfd_k.h:67:32: sparse: got unsigned int enum mfill_atomic_mode mode >> include/linux/userfaultfd_k.h:66:45: sparse: sparse: restricted uffd_flags_t degrades to integer >> include/linux/userfaultfd_k.h:67:32: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted uffd_flags_t [usertype] flags @@ got unsigned int enum mfill_atomic_mode mode @@ include/linux/userfaultfd_k.h:67:32: sparse: expected restricted uffd_flags_t [usertype] flags include/linux/userfaultfd_k.h:67:32: sparse: got unsigned int enum mfill_atomic_mode mode vim +1809 fs/userfaultfd.c 1769 1770 static int userfaultfd_copy(struct userfaultfd_ctx *ctx, 1771 unsigned long arg) 1772 { 1773 __s64 ret; 1774 struct uffdio_copy uffdio_copy; 1775 struct uffdio_copy __user *user_uffdio_copy; 1776 struct userfaultfd_wake_range range; 1777 uffd_flags_t flags = 0; 1778 1779 user_uffdio_copy = (struct uffdio_copy __user *) arg; 1780 1781 ret = -EAGAIN; 1782 if (atomic_read(&ctx->mmap_changing)) 1783 goto out; 1784 1785 ret = -EFAULT; 1786 if (copy_from_user(&uffdio_copy, user_uffdio_copy, 1787 /* don't copy "copy" last field */ 1788 sizeof(uffdio_copy)-sizeof(__s64))) 1789 goto out; 1790 1791 ret = validate_unaligned_range(ctx->mm, uffdio_copy.src, 1792 uffdio_copy.len); 1793 if (ret) 1794 goto out; 1795 ret = validate_range(ctx->mm, uffdio_copy.dst, uffdio_copy.len); 1796 if (ret) 1797 goto out; 1798 1799 ret = -EINVAL; 1800 if (uffdio_copy.mode & ~(UFFDIO_COPY_MODE_DONTWAKE | 1801 UFFDIO_COPY_MODE_WP | 1802 IS_ENABLED(CONFIG_USERSWAP) ? 1803 UFFDIO_COPY_MODE_DIRECT_MAP : 0)) 1804 goto out; 1805 if (uffdio_copy.mode & UFFDIO_COPY_MODE_WP) 1806 flags |= MFILL_ATOMIC_WP; 1807 if (IS_ENABLED(CONFIG_USERSWAP) && 1808 (uffdio_copy.mode & UFFDIO_COPY_MODE_DIRECT_MAP)) > 1809 flags |= MFILL_ATOMIC_DIRECT_MAP; 1810 if (mmget_not_zero(ctx->mm)) { 1811 ret = mfill_atomic_copy(ctx->mm, uffdio_copy.dst, uffdio_copy.src, 1812 uffdio_copy.len, &ctx->mmap_changing, 1813 flags); 1814 mmput(ctx->mm); 1815 } else { 1816 return -ESRCH; 1817 } 1818 if (unlikely(put_user(ret, &user_uffdio_copy->copy))) 1819 return -EFAULT; 1820 if (ret < 0) 1821 goto out; 1822 BUG_ON(!ret); 1823 /* len == 0 would wake all */ 1824 range.len = ret; 1825 if (!(uffdio_copy.mode & UFFDIO_COPY_MODE_DONTWAKE)) { 1826 range.start = uffdio_copy.dst; 1827 wake_userfault(ctx, &range); 1828 } 1829 ret = range.len == uffdio_copy.len ? 0 : -EAGAIN; 1830 out: 1831 return ret; 1832 } 1833 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:openEuler-1.0-LTS 1268/1268] drivers/net/ieee802154/.tmp_mac802154_hwsim.o: warning: objtool: missing symbol for section .exit.text
by kernel test robot 01 Dec '24

01 Dec '24

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: b5504db0db8375a77340b5bb54c17cfb75d3c754 commit: f25da51fdc381ca2863248c7060b3662632f0872 [1268/1268] ieee802154: hwsim: add replacement for fakelb config: x86_64-buildonly-randconfig-004-20241103 (https://download.01.org/0day-ci/archive/20241201/202412011926.MpDNl2Le-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/20241201/202412011926.MpDNl2Le-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/202412011926.MpDNl2Le-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/net/ieee802154/mac802154_hwsim.c:22: include/linux/module.h:132:13: warning: 'init_module' specifies less restrictive attribute than its target 'hwsim_init_module': 'cold' [-Wmissing-attributes] 132 | int init_module(void) __attribute__((alias(#initfn))); | ^~~~~~~~~~~ drivers/net/ieee802154/mac802154_hwsim.c:918:1: note: in expansion of macro 'module_init' 918 | module_init(hwsim_init_module); | ^~~~~~~~~~~ drivers/net/ieee802154/mac802154_hwsim.c:883:19: note: 'init_module' target declared here 883 | static __init int hwsim_init_module(void) | ^~~~~~~~~~~~~~~~~ include/linux/module.h:138:14: warning: 'cleanup_module' specifies less restrictive attribute than its target 'hwsim_remove_module': 'cold' [-Wmissing-attributes] 138 | void cleanup_module(void) __attribute__((alias(#exitfn))); | ^~~~~~~~~~~~~~ drivers/net/ieee802154/mac802154_hwsim.c:919:1: note: in expansion of macro 'module_exit' 919 | module_exit(hwsim_remove_module); | ^~~~~~~~~~~ drivers/net/ieee802154/mac802154_hwsim.c:911:20: note: 'cleanup_module' target declared here 911 | static __exit void hwsim_remove_module(void) | ^~~~~~~~~~~~~~~~~~~ >> drivers/net/ieee802154/.tmp_mac802154_hwsim.o: warning: objtool: missing symbol for section .exit.text -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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[openeuler:OLK-6.6 1466/1466] binfmt_elf32.c:undefined reference to `arch_elf_adjust_prot'
by kernel test robot 01 Dec '24

01 Dec '24

Hi Yury, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: df4c334beecb4cf58e4e8d63b491aa5ac0a84f46 commit: 7de3ab4c3dd938fae3626a6344830b018eb7ba4f [1466/1466] arm64: introduce binfmt_elf32.c config: arm64-randconfig-004-20241114 (https://download.01.org/0day-ci/archive/20241201/202412011905.YdgrD0E0-lkp@…) compiler: aarch64-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241201/202412011905.YdgrD0E0-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/202412011905.YdgrD0E0-lkp@intel.com/ All errors (new ones prefixed by >>): aarch64-linux-ld: Unexpected GOT/PLT entries detected! aarch64-linux-ld: Unexpected run-time procedure linkages detected! aarch64-linux-ld: arch/arm64/kernel/binfmt_elf32.o: in function `load_elf_interp': >> binfmt_elf32.c:(.text+0xb58): undefined reference to `arch_elf_adjust_prot' aarch64-linux-ld: arch/arm64/kernel/binfmt_elf32.o: in function `load_elf_binary': binfmt_elf32.c:(.text+0x2044): undefined reference to `arch_elf_adjust_prot' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki

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