tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c4681547bcce777daf576925a966ffa824edd09d commit: f9bbc12ccb35ac8b3fa01cec1a19cb523a7707c7 scripts: kernel-doc: improve parsing for kernel-doc comments syntax date: 6 weeks ago config: arm64-randconfig-r015-20210524 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 93d1e5822ed64abd777eb94ea9899e96c4c39fbe) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9bbc12ccb35ac8b3fa01cec1a19cb523a7707c7 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout f9bbc12ccb35ac8b3fa01cec1a19cb523a7707c7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/infiniband/hw/hns/hns_roce_hem.c:1165: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * calc base address entries num drivers/infiniband/hw/hns/hns_roce_hem.c:1198: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * calc the root ba entries which could cover all regions vim +1165 drivers/infiniband/hw/hns/hns_roce_hem.c 38389eaa4db1926 Lijun Ou 2019-06-08 1163 38389eaa4db1926 Lijun Ou 2019-06-08 1164 /** 38389eaa4db1926 Lijun Ou 2019-06-08 @1165 * calc base address entries num 38389eaa4db1926 Lijun Ou 2019-06-08 1166 * @hopnum: num of mutihop addressing 38389eaa4db1926 Lijun Ou 2019-06-08 1167 * @bt_level: base address table level 38389eaa4db1926 Lijun Ou 2019-06-08 1168 * @unit: ba entries per bt page 38389eaa4db1926 Lijun Ou 2019-06-08 1169 */ 38389eaa4db1926 Lijun Ou 2019-06-08 1170 static u32 hem_list_calc_ba_range(int hopnum, int bt_level, int unit) 38389eaa4db1926 Lijun Ou 2019-06-08 1171 { 38389eaa4db1926 Lijun Ou 2019-06-08 1172 u32 step; 38389eaa4db1926 Lijun Ou 2019-06-08 1173 int max; 38389eaa4db1926 Lijun Ou 2019-06-08 1174 int i; 38389eaa4db1926 Lijun Ou 2019-06-08 1175 38389eaa4db1926 Lijun Ou 2019-06-08 1176 if (hopnum <= bt_level) 38389eaa4db1926 Lijun Ou 2019-06-08 1177 return 0; 38389eaa4db1926 Lijun Ou 2019-06-08 1178 /* 38389eaa4db1926 Lijun Ou 2019-06-08 1179 * hopnum bt_level range 38389eaa4db1926 Lijun Ou 2019-06-08 1180 * 1 0 unit 38389eaa4db1926 Lijun Ou 2019-06-08 1181 * ------------ 38389eaa4db1926 Lijun Ou 2019-06-08 1182 * 2 0 unit * unit 38389eaa4db1926 Lijun Ou 2019-06-08 1183 * 2 1 unit 38389eaa4db1926 Lijun Ou 2019-06-08 1184 * ------------ 38389eaa4db1926 Lijun Ou 2019-06-08 1185 * 3 0 unit * unit * unit 38389eaa4db1926 Lijun Ou 2019-06-08 1186 * 3 1 unit * unit 38389eaa4db1926 Lijun Ou 2019-06-08 1187 * 3 2 unit 38389eaa4db1926 Lijun Ou 2019-06-08 1188 */ 38389eaa4db1926 Lijun Ou 2019-06-08 1189 step = 1; 38389eaa4db1926 Lijun Ou 2019-06-08 1190 max = hopnum - bt_level; 38389eaa4db1926 Lijun Ou 2019-06-08 1191 for (i = 0; i < max; i++) 38389eaa4db1926 Lijun Ou 2019-06-08 1192 step = step * unit; 38389eaa4db1926 Lijun Ou 2019-06-08 1193 38389eaa4db1926 Lijun Ou 2019-06-08 1194 return step; 38389eaa4db1926 Lijun Ou 2019-06-08 1195 } 38389eaa4db1926 Lijun Ou 2019-06-08 1196 :::::: The code at line 1165 was first introduced by commit :::::: 38389eaa4db192648916464b60f6086d6bbaa6de RDMA/hns: Add mtr support for mixed multihop addressing :::::: TO: Lijun Ou <oulijun@xxxxxxxxxx> :::::: CC: Doug Ledford <dledford@xxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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