tree: https://github.com/AsahiLinux/linux pr/8 head: d87a0dc99e28480d67b993f52d066bd2bf58207c commit: 28a9ae246e6f38ab4b3264e7cf8a11d9f47535ad [9/16] arm64: vipi: vIPI code adjustments config: arm64-buildonly-randconfig-r004-20210810 (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/AsahiLinux/linux/commit/28a9ae246e6f38ab4b3264e7cf8a11... git remote add asahilinux https://github.com/AsahiLinux/linux git fetch --no-tags asahilinux pr/8 git checkout 28a9ae246e6f38ab4b3264e7cf8a11d9f47535ad # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=arm64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>, old ones prefixed by <<): The function vipi_init_smp() references the function __init set_smp_ipi_range(). This is often because vipi_init_smp lacks a __init annotation or the annotation of set_smp_ipi_range is wrong. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org