tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dd81e1c7d5fb126e5fbc5c9e334d7b3ec29a16a0 commit: 9a2451f1866344d38b4a1dc20396e3a03954fcd7 RISC-V: Avoid using per cpu array for ordered booting date: 4 days ago config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20220124/202201241842.sQ6Y0PbO-lk...) compiler: riscv64-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 9a2451f1866344d38b4a1dc20396e3a03954fcd7 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=riscv SHELL=/bin/bash arch/riscv/kernel/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) vim +/__pcpu_scope_boot_data +24 arch/riscv/kernel/cpu_ops_sbi.c 18 19 /* 20 * Ordered booting via HSM brings one cpu at a time. However, cpu hotplug can 21 * be invoked from multiple threads in parallel. Define a per cpu data 22 * to handle that. 23 */ 25 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org