Re: [PATCH bpf-next 1/2] bpf: add bpf_get_hw_counter kfunc

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

Hi Vadim,

kernel test robot noticed the following build warnings:

[auto build test WARNING on bpf-next/master]

url:    https://github.com/intel-lab-lkp/linux/commits/Vadim-Fedorenko/selftests-bpf-add-selftest-to-check-rdtsc-jit/20241024-050747
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/20241023210437.2266063-1-vadfed%40meta.com
patch subject: [PATCH bpf-next 1/2] bpf: add bpf_get_hw_counter kfunc
config: powerpc-allmodconfig (https://download.01.org/0day-ci/archive/20241024/202410242353.krjd8d6t-lkp@intel.com/config)
compiler: powerpc64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241024/202410242353.krjd8d6t-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/202410242353.krjd8d6t-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from kernel/bpf/helpers.c:26:
>> arch/powerpc/include/asm/vdso/gettimeofday.h:97:63: warning: 'struct vdso_data' declared inside parameter list will not be visible outside of this definition or declaration
      97 |                                                  const struct vdso_data *vd)
         |                                                               ^~~~~~~~~


vim +97 arch/powerpc/include/asm/vdso/gettimeofday.h

ce7d8056e38b77 Christophe Leroy 2020-11-27   95  
ce7d8056e38b77 Christophe Leroy 2020-11-27   96  static __always_inline u64 __arch_get_hw_counter(s32 clock_mode,
ce7d8056e38b77 Christophe Leroy 2020-11-27  @97  						 const struct vdso_data *vd)
ce7d8056e38b77 Christophe Leroy 2020-11-27   98  {
ce7d8056e38b77 Christophe Leroy 2020-11-27   99  	return get_tb();
ce7d8056e38b77 Christophe Leroy 2020-11-27  100  }
ce7d8056e38b77 Christophe Leroy 2020-11-27  101  

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