Hi Christophe, kernel test robot noticed the following build warnings:
[auto build test WARNING on powerpc/next] [also build test WARNING on powerpc/fixes masahiroy-kbuild/for-next masahiroy-kbuild/fixes linus/master v6.4-rc7] [cannot apply to next-20230622] [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/Christophe-Leroy/powerpc-kuap-Avoid-unnecessary-reads-of-MD_AP/20230622-185950 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next patch link: https://lore.kernel.org/r/be282f27ad808418c7475b51a00b4cb035f89a95.1687430631.git.christophe.leroy%40csgroup.eu patch subject: [PATCH v2 14/14] powerpc: Implement UACCESS validation on PPC32 config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20230623/202306230351.spwvwyz3-...@intel.com/config) compiler: powerpc-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230623/202306230351.spwvwyz3-...@intel.com/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 <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202306230351.spwvwyz3-...@intel.com/ All warnings (new ones prefixed by >>): arch/powerpc/platforms/powermac/smp.c:416:13: warning: no previous prototype for 'smp_psurge_take_timebase' [-Wmissing-prototypes] 416 | void __init smp_psurge_take_timebase(void) | ^~~~~~~~~~~~~~~~~~~~~~~~ arch/powerpc/platforms/powermac/smp.c:432:13: warning: no previous prototype for 'smp_psurge_give_timebase' [-Wmissing-prototypes] 432 | void __init smp_psurge_give_timebase(void) | ^~~~~~~~~~~~~~~~~~~~~~~~ >> arch/powerpc/platforms/powermac/smp.o: warning: objtool: >> .text.pmac_cpu_offline_self: unexpected end of section -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki