Hi Henry, Thank you for the patch! Yet something to improve: [auto build test ERROR on arm64/for-next/core] [also build test ERROR on v5.14-rc1 next-20210715] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Henry-Willard/arm64-kexec-add-su... base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core config: arm64-randconfig-r025-20210715 (attached as .config) compiler: aarch64-linux-gcc (GCC) 10.3.0 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/0day-ci/linux/commit/3dd4112e1b67732182a5e12891867db4e... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Henry-Willard/arm64-kexec-add-support-for-kexec-with-spin-table/20210715-014204 git checkout 3dd4112e1b67732182a5e12891867db4e139980c # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): arch/arm64/kernel/smp_spin_table.c:235:3: error: 'const struct cpu_operations' has no member named 'cpu_die' 235 | .cpu_die = smp_spin_table_cpu_die, | ^~~~~~~ arch/arm64/kernel/smp_spin_table.c:235:13: error: initialization of 'void (*)(void)' from incompatible pointer type 'void (*)(unsigned int)' [-Werror=incompatible-pointer-types] 235 | .cpu_die = smp_spin_table_cpu_die, | ^~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kernel/smp_spin_table.c:235:13: note: (near initialization for 'smp_spin_table_ops.cpu_postboot') arch/arm64/kernel/smp_spin_table.c:236:3: error: 'const struct cpu_operations' has no member named 'cpu_kill' 236 | .cpu_kill = smp_spin_table_cpu_kill, | ^~~~~~~~ arch/arm64/kernel/smp_spin_table.c:237:3: error: 'const struct cpu_operations' has no member named 'cpu_disable' 237 | .cpu_disable = smp_spin_table_cpu_disable, | ^~~~~~~~~~~ 237 | .cpu_disable = smp_spin_table_cpu_disable, | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/arm64/kernel/smp_spin_table.c:237:17: note: (near initialization for 'smp_spin_table_ops.cpu_suspend') cc1: some warnings being treated as errors vim +237 arch/arm64/kernel/smp_spin_table.c 229 230 const struct cpu_operations smp_spin_table_ops = { 231 .name = "spin-table", 232 .cpu_init = smp_spin_table_cpu_init, 233 .cpu_prepare = smp_spin_table_cpu_prepare, 234 .cpu_boot = smp_spin_table_cpu_boot, 236 .cpu_kill = smp_spin_table_cpu_kill, --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org