Re: [PATCH v2 3/3] btf: Avoid weak external references

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

Hi Ard,

kernel test robot noticed the following build errors:

[auto build test ERROR on arnd-asm-generic/master]
[also build test ERROR on bpf-next/master bpf/master linus/master v6.9-rc3 next-20240409]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Ard-Biesheuvel/kallsyms-Avoid-weak-references-for-kallsyms-symbols/20240409-230510
base:   https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git master
patch link:    https://lore.kernel.org/r/20240409150132.4097042-8-ardb%2Bgit%40google.com
patch subject: [PATCH v2 3/3] btf: Avoid weak external references
config: riscv-defconfig (https://download.01.org/0day-ci/archive/20240410/202404101227.noCGQr02-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 8b3b4a92adee40483c27f26c478a384cd69c6f05)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240410/202404101227.noCGQr02-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/202404101227.noCGQr02-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: undefined symbol: __start_BTF
   >>> referenced by btf.c
   >>>               kernel/bpf/btf.o:(btf_parse_vmlinux) in archive vmlinux.a
--
>> ld.lld: error: undefined symbol: __stop_BTF
   >>> referenced by btf.c
   >>>               kernel/bpf/btf.o:(btf_parse_vmlinux) in archive vmlinux.a

-- 
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