tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y head: d766f744e4827dc41ef6c01403a96b7bb3938132 commit: 33db9912ff7c491f839c89a08e98f755aa09598f [5237/9999] ubsan: remove CONFIG_UBSAN_OBJECT_SIZE config: powerpc-allmodconfig compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=33db9912ff7c491f839c89a08e98f755aa09598f git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc linux-5.15.y git checkout 33db9912ff7c491f839c89a08e98f755aa09598f # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash drivers/net/ethernet/hisilicon/hns3/hns3pf/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c:967:12: warning: stack frame size (1040) exceeds limit (1024) in 'hclge_dbg_dump_tm_pri' [-Wframe-larger-than] static int hclge_dbg_dump_tm_pri(struct hclge_dev *hdev, char *buf, int len) ^ 1 warning generated. vim +/hclge_dbg_dump_tm_pri +967 drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_debugfs.c 04d96139ddb32d Guangbin Huang 2021-08-30 966 04987ca1b9b684 Guangbin Huang 2021-01-28 @967 static int hclge_dbg_dump_tm_pri(struct hclge_dev *hdev, char *buf, int len) 04987ca1b9b684 Guangbin Huang 2021-01-28 968 { 04d96139ddb32d Guangbin Huang 2021-08-30 969 char data_str[ARRAY_SIZE(tm_pri_items)][HCLGE_DBG_DATA_STR_LEN]; 04d96139ddb32d Guangbin Huang 2021-08-30 970 struct hclge_tm_shaper_para c_shaper_para, p_shaper_para; 04d96139ddb32d Guangbin Huang 2021-08-30 971 char *result[ARRAY_SIZE(tm_pri_items)], *sch_mode_str; 04d96139ddb32d Guangbin Huang 2021-08-30 972 char content[HCLGE_DBG_TM_INFO_LEN]; 04d96139ddb32d Guangbin Huang 2021-08-30 973 u8 pri_num, sch_mode, weight, i, j; 04d96139ddb32d Guangbin Huang 2021-08-30 974 int pos, ret; 04987ca1b9b684 Guangbin Huang 2021-01-28 975 04987ca1b9b684 Guangbin Huang 2021-01-28 976 ret = hclge_tm_get_pri_num(hdev, &pri_num); 04987ca1b9b684 Guangbin Huang 2021-01-28 977 if (ret) 04987ca1b9b684 Guangbin Huang 2021-01-28 978 return ret; 04987ca1b9b684 Guangbin Huang 2021-01-28 979 04d96139ddb32d Guangbin Huang 2021-08-30 980 for (i = 0; i < ARRAY_SIZE(tm_pri_items); i++) 04d96139ddb32d Guangbin Huang 2021-08-30 981 result[i] = &data_str[i][0]; 04d96139ddb32d Guangbin Huang 2021-08-30 982 04d96139ddb32d Guangbin Huang 2021-08-30 983 hclge_dbg_fill_content(content, sizeof(content), tm_pri_items, 04d96139ddb32d Guangbin Huang 2021-08-30 984 NULL, ARRAY_SIZE(tm_pri_items)); 04d96139ddb32d Guangbin Huang 2021-08-30 985 pos = scnprintf(buf, len, "%s", content); 04987ca1b9b684 Guangbin Huang 2021-01-28 986 04987ca1b9b684 Guangbin Huang 2021-01-28 987 for (i = 0; i < pri_num; i++) { 04987ca1b9b684 Guangbin Huang 2021-01-28 988 ret = hclge_tm_get_pri_sch_mode(hdev, i, &sch_mode); 04987ca1b9b684 Guangbin Huang 2021-01-28 989 if (ret) 04987ca1b9b684 Guangbin Huang 2021-01-28 990 return ret; 04987ca1b9b684 Guangbin Huang 2021-01-28 991 04987ca1b9b684 Guangbin Huang 2021-01-28 992 ret = hclge_tm_get_pri_weight(hdev, i, &weight); 04987ca1b9b684 Guangbin Huang 2021-01-28 993 if (ret) 04987ca1b9b684 Guangbin Huang 2021-01-28 994 return ret; 04987ca1b9b684 Guangbin Huang 2021-01-28 995 04987ca1b9b684 Guangbin Huang 2021-01-28 996 ret = hclge_tm_get_pri_shaper(hdev, i, 04987ca1b9b684 Guangbin Huang 2021-01-28 997 HCLGE_OPC_TM_PRI_C_SHAPPING, 04987ca1b9b684 Guangbin Huang 2021-01-28 998 &c_shaper_para); 04987ca1b9b684 Guangbin Huang 2021-01-28 999 if (ret) 04987ca1b9b684 Guangbin Huang 2021-01-28 1000 return ret; 04987ca1b9b684 Guangbin Huang 2021-01-28 1001 04987ca1b9b684 Guangbin Huang 2021-01-28 1002 ret = hclge_tm_get_pri_shaper(hdev, i, 04987ca1b9b684 Guangbin Huang 2021-01-28 1003 HCLGE_OPC_TM_PRI_P_SHAPPING, 04987ca1b9b684 Guangbin Huang 2021-01-28 1004 &p_shaper_para); 04987ca1b9b684 Guangbin Huang 2021-01-28 1005 if (ret) 04987ca1b9b684 Guangbin Huang 2021-01-28 1006 return ret; 04987ca1b9b684 Guangbin Huang 2021-01-28 1007 04987ca1b9b684 Guangbin Huang 2021-01-28 1008 sch_mode_str = sch_mode & HCLGE_TM_TX_SCHD_DWRR_MSK ? "dwrr" : 04987ca1b9b684 Guangbin Huang 2021-01-28 1009 "sp"; 04987ca1b9b684 Guangbin Huang 2021-01-28 1010 04d96139ddb32d Guangbin Huang 2021-08-30 1011 j = 0; 04d96139ddb32d Guangbin Huang 2021-08-30 1012 sprintf(result[j++], "%04u", i); 04d96139ddb32d Guangbin Huang 2021-08-30 1013 sprintf(result[j++], "%4s", sch_mode_str); 04d96139ddb32d Guangbin Huang 2021-08-30 1014 sprintf(result[j++], "%3u", weight); 04d96139ddb32d Guangbin Huang 2021-08-30 1015 hclge_dbg_fill_shaper_content(&c_shaper_para, result, &j); 04d96139ddb32d Guangbin Huang 2021-08-30 1016 hclge_dbg_fill_shaper_content(&p_shaper_para, result, &j); 04d96139ddb32d Guangbin Huang 2021-08-30 1017 hclge_dbg_fill_content(content, sizeof(content), tm_pri_items, 04d96139ddb32d Guangbin Huang 2021-08-30 1018 (const char **)result, 04d96139ddb32d Guangbin Huang 2021-08-30 1019 ARRAY_SIZE(tm_pri_items)); 04d96139ddb32d Guangbin Huang 2021-08-30 1020 pos += scnprintf(buf + pos, len - pos, "%s", content); 04987ca1b9b684 Guangbin Huang 2021-01-28 1021 } 04987ca1b9b684 Guangbin Huang 2021-01-28 1022 04987ca1b9b684 Guangbin Huang 2021-01-28 1023 return 0; 04987ca1b9b684 Guangbin Huang 2021-01-28 1024 } 04987ca1b9b684 Guangbin Huang 2021-01-28 1025 :::::: The code at line 967 was first introduced by commit :::::: 04987ca1b9b6841cfa5f9b459c5a270b75c89345 net: hns3: add debugfs support for tm nodes, priority and qset info :::::: TO: Guangbin Huang :::::: CC: Jakub Kicinski -- 0-DAY CI Kernel Test Service https://01.org/lkp