Re: [PATCH bpf-next v2 1/2] bpf: add bpf_get_hw_counter kfunc

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

Hi Vadim,

kernel test robot noticed the following build errors:

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

url:    https://github.com/intel-lab-lkp/linux/commits/Vadim-Fedorenko/selftests-bpf-add-selftest-to-check-rdtsc-jit/20241025-045340
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master
patch link:    https://lore.kernel.org/r/20241024205113.762622-1-vadfed%40meta.com
patch subject: [PATCH bpf-next v2 1/2] bpf: add bpf_get_hw_counter kfunc
config: m68k-sun3_defconfig (https://download.01.org/0day-ci/archive/20241026/202410260829.tdMd3ywG-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241026/202410260829.tdMd3ywG-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/202410260829.tdMd3ywG-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from include/vdso/datapage.h:17,
                    from kernel/bpf/helpers.c:26:
>> include/vdso/processor.h:10:10: fatal error: asm/vdso/processor.h: No such file or directory
      10 | #include <asm/vdso/processor.h>
         |          ^~~~~~~~~~~~~~~~~~~~~~
   compilation terminated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for GET_FREE_REGION
   Depends on [n]: SPARSEMEM [=n]
   Selected by [m]:
   - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m]


vim +10 include/vdso/processor.h

d8bb6993d871f5 Vincenzo Frascino 2020-03-20   9  
d8bb6993d871f5 Vincenzo Frascino 2020-03-20 @10  #include <asm/vdso/processor.h>
d8bb6993d871f5 Vincenzo Frascino 2020-03-20  11  

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