[jimc:maph 7/7] lib/test_map_h.c:32:13: warning: 'MAPH_BUILD_BUG' defined but not used

[jimc:maph 7/7] lib/test_map_h.c:32:13: warning: 'MAPH_BUILD_BUG' defined but not used

[kernel test robot]

Hi Jim,

First bad commit (maybe != root cause):

tree:   https://github.com/jimc/linux.git maph
head:   7f5a5e57c1ce6971acdfa13d3e177b14fe615838
commit: 7f5a5e57c1ce6971acdfa13d3e177b14fe615838 [7/7] drop-DD-CORE-dep
config: m68k-defconfig (https://download.01.org/0day-ci/archive/20230821/202308211744.grp4p8kb-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230821/202308211744.grp4p8kb-lkp@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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308211744.grp4p8kb-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> lib/test_map_h.c:32:13: warning: 'MAPH_BUILD_BUG' defined but not used [-Wunused-function]
      32 | static void MAPH_BUILD_BUG(void)
         |             ^~~~~~~~~~~~~~


vim +/MAPH_BUILD_BUG +32 lib/test_map_h.c

8bf2d83c02781d Jim Cromie 2023-03-25  25  
8bf2d83c02781d Jim Cromie 2023-03-25  26  #define BUILD_BUG_STREQ(_var, ref)					\
8bf2d83c02781d Jim Cromie 2023-03-25  27  	BUILD_BUG_ON(__builtin_memcmp(_var, ref, __builtin_strlen(ref)))
8bf2d83c02781d Jim Cromie 2023-03-25  28  #define BUILD_BUG_STREQ_VI(_vec_, idx, ref)		\
8bf2d83c02781d Jim Cromie 2023-03-25  29  	BUILD_BUG_STREQ(_vec_##_names[idx], ref)
8bf2d83c02781d Jim Cromie 2023-03-25  30  
8bf2d83c02781d Jim Cromie 2023-03-25  31  /* force compile, even if its not called */
3acf936f65d59e Jim Cromie 2023-04-25 @32  static void MAPH_BUILD_BUG(void)
8bf2d83c02781d Jim Cromie 2023-03-25  33  {
8bf2d83c02781d Jim Cromie 2023-03-25  34  	BUILD_BUG_ON(sum != 6);
8bf2d83c02781d Jim Cromie 2023-03-25  35  	BUILD_BUG_STREQ(caten, "YESNOMAYBE");
8bf2d83c02781d Jim Cromie 2023-03-25  36  
8bf2d83c02781d Jim Cromie 2023-03-25  37  	BUILD_BUG_STREQ_VI(debug_cats, 0, "DRMx_CORE");
8bf2d83c02781d Jim Cromie 2023-03-25  38  	BUILD_BUG_STREQ_VI(debug_cats, 1, "DRMx_DRIVER");
8bf2d83c02781d Jim Cromie 2023-03-25  39  	BUILD_BUG_STREQ_VI(debug_cats, 2, "DRMx_KMS");
8bf2d83c02781d Jim Cromie 2023-03-25  40  

:::::: The code at line 32 was first introduced by commit
:::::: 3acf936f65d59ef4588b1c10924acc77c157b205 strip-used-MAPH-BB

:::::: TO: Jim Cromie <jim.cromie@gmail.com>
:::::: CC: Jim Cromie <jim.cromie@gmail.com>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki