Re: [PATCH v2] fix ___SYNC () build error when PROFILE_ALL_BRANCHES is enabled

[kernel test robot <lkp@intel.com>]

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@intel.com/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@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305140443.2830m30j-lkp@intel.com/

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