[thomas-weissschuh:b4/auxclock-nanosleep 16/39] kernel/time/timekeeping.h:44:72: error: 'symbol' undeclared here (not in a function)

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/thomas.weissschuh/linux.git b4/auxclock-nanosleep
head:   67005bd34e048d0f0fb4f5762d159093fac52cb7
commit: dcfa56542ac7fa99290449e0a2409b2d9e875e1c [16/39] timekeeping: time_test: Add a test for auxiliary to monotonic clock conversions
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20260805/202608050006.2IaipANw-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260805/202608050006.2IaipANw-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/202608050006.2IaipANw-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/linux/linkage.h:7,
                    from include/linux/printk.h:8,
                    from include/asm-generic/bug.h:31,
                    from arch/powerpc/include/asm/bug.h:116,
                    from include/linux/bug.h:5,
                    from include/linux/fortify-string.h:5,
                    from include/linux/string.h:383,
                    from arch/powerpc/include/asm/paca.h:16,
                    from arch/powerpc/include/asm/current.h:13,
                    from include/linux/sched.h:12,
                    from include/linux/audit.h:12,
                    from kernel/time/timekeeping.c:6:
>> kernel/time/timekeeping.h:44:72: error: 'symbol' undeclared here (not in a function)
      44 | #define EXPORT_SYMBOL_FOR_TIME_TEST(_symbol) EXPORT_SYMBOL_FOR_MODULES(symbol, "time_test");
         |                                                                        ^~~~~~
   include/linux/export.h:76:23: note: in definition of macro '__EXPORT_SYMBOL'
      76 |         extern typeof(sym) sym;                                 \
         |                       ^~~
   kernel/time/timekeeping.h:44:46: note: in expansion of macro 'EXPORT_SYMBOL_FOR_MODULES'
      44 | #define EXPORT_SYMBOL_FOR_TIME_TEST(_symbol) EXPORT_SYMBOL_FOR_MODULES(symbol, "time_test");
         |                                              ^~~~~~~~~~~~~~~~~~~~~~~~~
   kernel/time/timekeeping.c:156:1: note: in expansion of macro 'EXPORT_SYMBOL_FOR_TIME_TEST'
     156 | EXPORT_SYMBOL_FOR_TIME_TEST(tk_aux_capture_mono_conv);
         | ^~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/symbol +44 kernel/time/timekeeping.h

    42	
    43	#if IS_MODULE(CONFIG_TIME_KUNIT_TEST)
  > 44	#define EXPORT_SYMBOL_FOR_TIME_TEST(_symbol) EXPORT_SYMBOL_FOR_MODULES(symbol, "time_test");
    45	#else
    46	#define EXPORT_SYMBOL_FOR_TIME_TEST(_symbol)
    47	#endif
    48	

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