[mark:stacktrace/tests 29/30] lib/stacktrace_kunit.c:52:20: error: implicit declaration of function 'stack_trace_save'; did you mean 'stack_tracer_enable'?

[mark:stacktrace/tests 29/30] lib/stacktrace_kunit.c:52:20: error: implicit declaration of function 'stack_trace_save'; did you mean 'stack_tracer_enable'?

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git stacktrace/tests
head:   b355c7c11a4a1cec3478bc7a2f129638d9b5116d
commit: bd60ed306ab25ea1c027a362c756729923d62548 [29/30] WIP: lib: add basic stacktrace tests
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20240606/202406060130.PMIOyVL2-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240606/202406060130.PMIOyVL2-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/202406060130.PMIOyVL2-lkp@intel.com/

All errors (new ones prefixed by >>):

   lib/stacktrace_kunit.c: In function 'std_save_stacktrace':
>> lib/stacktrace_kunit.c:52:20: error: implicit declaration of function 'stack_trace_save'; did you mean 'stack_tracer_enable'? [-Werror=implicit-function-declaration]
      52 |         std->len = stack_trace_save(std->stack_trace,
         |                    ^~~~~~~~~~~~~~~~
         |                    stack_tracer_enable
   cc1: some warnings being treated as errors


vim +52 lib/stacktrace_kunit.c

    49	
    50	static void std_save_stacktrace(struct stacktrace_test_data *std)
    51	{
  > 52		std->len = stack_trace_save(std->stack_trace,
    53					    NR_STACKTRACE_ELEMS,
    54					    0);
    55		std->hit = true;
    56	}
    57	

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