linux-kernel - [mark:stacktrace/testing 1/1] lib/test_stacktrace/kunit.c:35:26: error: implicit declaration of function 'stack_trace_save'; did you mean 'stack_depot

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Message-ID: <202204132247.0dgxogvX-lkp@intel.com>
Date:   Wed, 13 Apr 2022 22:23:00 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mark Rutland <mark.rutland@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mark:stacktrace/testing 1/1] lib/test_stacktrace/kunit.c:35:26:
 error: implicit declaration of function 'stack_trace_save'; did you mean
 'stack_depot_save'?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git stacktrace/testing
head:   a8e8825116626f8c3e8be3bb889b6442a7465cb8
commit: a8e8825116626f8c3e8be3bb889b6442a7465cb8 [1/1] WIP: stacktrace tests
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20220413/202204132247.0dgxogvX-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 11.2.0
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://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git/commit/?id=a8e8825116626f8c3e8be3bb889b6442a7465cb8
        git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git
        git fetch --no-tags mark stacktrace/testing
        git checkout a8e8825116626f8c3e8be3bb889b6442a7465cb8
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=alpha SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   lib/test_stacktrace/kunit.c: In function 'callback_st_save':
>> lib/test_stacktrace/kunit.c:35:26: error: implicit declaration of function 'stack_trace_save'; did you mean 'stack_depot_save'? [-Werror=implicit-function-declaration]
      35 |         st->nr_entries = stack_trace_save(st->store, MAX_STACK_ENTRIES, 0);
         |                          ^~~~~~~~~~~~~~~~
         |                          stack_depot_save
   lib/test_stacktrace/kunit.c: At top level:
   lib/test_stacktrace/kunit.c:54:5: warning: no previous prototype for 'st_find_func_idx' [-Wmissing-prototypes]
      54 | int st_find_func_idx(struct st_data *st, void *func, int start)
         |     ^~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +35 lib/test_stacktrace/kunit.c

    30	
    31	static void *callback_st_save(void *arg)
    32	{
    33		struct st_data *st = arg;
    34	
  > 35		st->nr_entries = stack_trace_save(st->store, MAX_STACK_ENTRIES, 0);
    36	
    37		return st;
    38	}
    39	

-- 
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https://01.org/lkp