Hi Kefeng, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 002322402dafd846c424ffa9240a937f49b48c42 commit: ed1ed4c0da5447c5e322481ce2ef9f03336c6ffb riscv: mmiowb: Fix implicit declaration of function 'smp_processor_id' If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> vim +1034 fs/btrfs/sysfs.c 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1001 static void init_feature_attrs(void) 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1002 { 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1003 struct btrfs_feature_attr *fa; 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1004 int set, i; 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1005 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1006 BUILD_BUG_ON(ARRAY_SIZE(btrfs_unknown_feature_names) != 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1007 ARRAY_SIZE(btrfs_feature_attrs)); 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1008 BUILD_BUG_ON(ARRAY_SIZE(btrfs_unknown_feature_names[0]) != 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1009 ARRAY_SIZE(btrfs_feature_attrs[0])); 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1010 3b02a68a636400 Jeff Mahoney 2013-11-01 1011 memset(btrfs_feature_attrs, 0, sizeof(btrfs_feature_attrs)); 3b02a68a636400 Jeff Mahoney 2013-11-01 1012 memset(btrfs_unknown_feature_names, 0, 3b02a68a636400 Jeff Mahoney 2013-11-01 1013 sizeof(btrfs_unknown_feature_names)); 3b02a68a636400 Jeff Mahoney 2013-11-01 1014 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1015 for (i = 0; btrfs_supported_feature_attrs[i]; i++) { 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1016 struct btrfs_feature_attr *sfa; 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1017 struct attribute *a = btrfs_supported_feature_attrs[i]; 3b02a68a636400 Jeff Mahoney 2013-11-01 1018 int bit; 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1019 sfa = attr_to_btrfs_feature_attr(a); 3b02a68a636400 Jeff Mahoney 2013-11-01 1020 bit = ilog2(sfa->feature_bit); 3b02a68a636400 Jeff Mahoney 2013-11-01 1021 fa = &btrfs_feature_attrs[sfa->feature_set][bit]; 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1022 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1023 fa->kobj_attr.attr.name = sfa->kobj_attr.attr.name; 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1024 } 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1025 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1026 for (set = 0; set < FEAT_MAX; set++) { 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1027 for (i = 0; i < ARRAY_SIZE(btrfs_feature_attrs[set]); i++) { 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1028 char *name = btrfs_unknown_feature_names[set][i]; 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1029 fa = &btrfs_feature_attrs[set][i]; 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1030 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1031 if (fa->kobj_attr.attr.name) 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1032 continue; 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1033 6c52157fa9378e Tomohiro Misono 2018-05-16 @1034 snprintf(name, BTRFS_FEATURE_NAME_MAX, "%s:%u", 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1035 btrfs_feature_set_names[set], i); It looks like these two arguments are reversed? 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1036 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1037 fa->kobj_attr.attr.name = name; 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1038 fa->kobj_attr.attr.mode = S_IRUGO; 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1039 fa->feature_set = set; 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1040 fa->feature_bit = 1ULL << i; 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1041 } 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1042 } 79da4fa4d9dcf8 Jeff Mahoney 2013-11-01 1043 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected] _______________________________________________ kbuild mailing list -- [email protected] To unsubscribe send an email to [email protected]
