[jolsa-perf:bpf/tracing_multi_1 27/27] kernel/bpf/trampoline.c:1256:15: error: implicit declaration of function 'set_filter_ftrace_direct_multi'; did you mean 'register_ftrace_direct_multi'?

[jolsa-perf:bpf/tracing_multi_1 27/27] kernel/bpf/trampoline.c:1256:15: error: implicit declaration of function 'set_filter_ftrace_direct_multi'; did you mean 'register_ftrace_direct_multi'?

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git bpf/tracing_multi_1
head:   747784185d106a06b429736196d8817cb2d12a6f
commit: 747784185d106a06b429736196d8817cb2d12a6f [27/27] fix
config: powerpc-allyesconfig (https://download.01.org/0day-ci/archive/20230119/202301190924.fHmuncbT-lkp@intel.com/config)
compiler: powerpc-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://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id=747784185d106a06b429736196d8817cb2d12a6f
        git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
        git fetch --no-tags jolsa-perf bpf/tracing_multi_1
        git checkout 747784185d106a06b429736196d8817cb2d12a6f
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash kernel/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   kernel/bpf/trampoline.c: In function 'trampoline_multi_reset_bmap':
>> kernel/bpf/trampoline.c:1256:15: error: implicit declaration of function 'set_filter_ftrace_direct_multi'; did you mean 'register_ftrace_direct_multi'? [-Werror=implicit-function-declaration]
    1256 |         err = set_filter_ftrace_direct_multi(tr->fops, ips, tr->multi.bmap->cnt,
         |               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |               register_ftrace_direct_multi
   cc1: some warnings being treated as errors


vim +1256 kernel/bpf/trampoline.c

  1246	
  1247	static int trampoline_multi_reset_bmap(struct bpf_trampoline *tr)
  1248	{
  1249		unsigned long *ips;
  1250		int err;
  1251	
  1252		err = btf_bitmap_funcs_resolve(tr->multi.bmap, &ips);
  1253		if (err)
  1254			return err;
  1255		mutex_lock(&tr->mutex);
> 1256		err = set_filter_ftrace_direct_multi(tr->fops, ips, tr->multi.bmap->cnt,
  1257						     (unsigned long) tr->cur_image->image);
  1258		mutex_unlock(&tr->mutex);
  1259		kfree(ips);
  1260		return err;
  1261	}
  1262	

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