tree: https://github.com/atishp04/linux sparse_hartid_support head: b85b7fd1f4028c3e1a895cfe163555241ae742fa commit: b9432952c1b228a156c1a5959bce4c23c834f1f5 [3/9] RISC-V: Avoid using per cpu array for ordered booting config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20211126/202111261703.e95Tql2Z-lkp@xxxxxxxxx/config) compiler: riscv64-linux-gcc (GCC) 11.2.0 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 # https://github.com/atishp04/linux/commit/b9432952c1b228a156c1a5959bce4c23c834f1f5 git remote add atishp04 https://github.com/atishp04/linux git fetch --no-tags atishp04 sparse_hartid_support git checkout b9432952c1b228a156c1a5959bce4c23c834f1f5 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> arch/riscv/kernel/cpu_ops_sbi.c:24: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Ordered booting via HSM brings one cpu at a time. Per cpu data strucutre is vim +24 arch/riscv/kernel/cpu_ops_sbi.c 22 23 /** > 24 * Ordered booting via HSM brings one cpu at a time. Per cpu data strucutre is 25 * not required. 26 */ 27 static struct sbi_sec_boot_data bdata __section(".data"); 28 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx