[PATCHv3 4/9] bpf: Introduce decompressor kfunc

[kernel test robot]

Hi Pingfan,

kernel test robot noticed the following build warnings:

[auto build test WARNING on bpf-next/net]
[also build test WARNING on bpf/master arm64/for-next/core v6.15]
[cannot apply to bpf-next/master linus/master next-20250529]
[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/Pingfan-Liu/kexec_file-Make-kexec_image_load_default-global-visible/20250529-122124
base:   https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git net
patch link:    https://lore.kernel.org/r/20250529041744.16458-5-piliu%40redhat.com
patch subject: [PATCHv3 4/9] bpf: Introduce decompressor kfunc
config: s390-randconfig-002-20250529 (https://download.01.org/0day-ci/archive/20250529/202505292046.qJy6UU9z-lkp@intel.com/config)
compiler: s390-linux-gcc (GCC) 12.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250529/202505292046.qJy6UU9z-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202505292046.qJy6UU9z-lkp@intel.com/

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> WARNING: modpost: vmlinux: section mismatch in reference: bpf_decompress+0x36e (section: .text) -> decompress_method (section: .init.text)

-- 
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