Hi Genjian, kernel test robot noticed the following build warnings: [auto build test WARNING on linus/master] [also build test WARNING on v6.4-rc1 next-20230512] [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/Genjian/fix-___SYNC-build-error-when-PROFILE_ALL_BRANCHES-is-enabled/20230427-230626 base: linus/master patch link: https://lore.kernel.org/r/20230427150332.2978867-1-zhanggenjian%40kylinos.cn patch subject: [PATCH v2] fix ___SYNC () build error when PROFILE_ALL_BRANCHES is enabled config: mips-decstation_defconfig (https://download.01.org/0day-ci/archive/20230514/202305140443.2830m30j-lkp@xxxxxxxxx/config) compiler: mipsel-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/6eb50851d61ca808629a062e0545704eba5be950 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Genjian/fix-___SYNC-build-error-when-PROFILE_ALL_BRANCHES-is-enabled/20230427-230626 git checkout 6eb50851d61ca808629a062e0545704eba5be950 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash arch/mips/mm/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202305140443.2830m30j-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): arch/mips/mm/c-r3k.c:28:15: warning: no previous prototype for 'r3k_cache_size' [-Wmissing-prototypes] 28 | unsigned long r3k_cache_size(unsigned long ca_flags) | ^~~~~~~~~~~~~~ arch/mips/mm/c-r3k.c:63:15: warning: no previous prototype for 'r3k_cache_lsize' [-Wmissing-prototypes] 63 | unsigned long r3k_cache_lsize(unsigned long ca_flags) | ^~~~~~~~~~~~~~~ arch/mips/mm/c-r3k.c:286:6: warning: no previous prototype for 'r3k_cache_init' [-Wmissing-prototypes] 286 | void r3k_cache_init(void) | ^~~~~~~~~~~~~~ {standard input}: Assembler messages: {standard input}:422: Error: non-constant expression in ".if" statement {standard input}: Error: end of file inside conditional {standard input}:422: Error: here is the start of the unterminated conditional >> {standard input}: Warning: missing .end at end of assembly -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
