Hi Zayd, kernel test robot noticed the following build warnings: [auto build test WARNING on arm64/for-next/core] [also build test WARNING on linus/master v6.9-rc3 next-20240411] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Zayd-Qumsieh/tso-aarch64-allow-linux-kernel-to-read-write-ACTLR-TSOEN/20240411-061830 base: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core patch link: https://lore.kernel.org/r/20240410211652.16640-4-zayd_qumsieh%40apple.com patch subject: [PATCH 3/3] tso: aarch64: allow userspace to set tso bit using prctl config: alpha-allnoconfig (https://download.01.org/0day-ci/archive/20240411/202404112024.tvGveZOX-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240411/202404112024.tvGveZOX-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202404112024.tvGveZOX-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> kernel/sys.c:2319:12: warning: no previous prototype for 'arch_set_mem_model' [-Wmissing-prototypes] 2319 | int __weak arch_set_mem_model(struct task_struct *task, int memory_model) | ^~~~~~~~~~~~~~~~~~ vim +/arch_set_mem_model +2319 kernel/sys.c 2318 > 2319 int __weak arch_set_mem_model(struct task_struct *task, int memory_model) 2320 { 2321 return -EINVAL; 2322 } 2323 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
