Warning: kernel/kexec_elf.c:63 function parameter 'ehdr' not described in 'elf_is_ehdr_sane'

From: kernel test robot

Date: Thu Dec 11 2025 - 19:25:58 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: d358e5254674b70f34c847715ca509e46eb81e6f
commit: fc9c112f804abcd984a20a66a909332a147a23e8 LoongArch: Add ELF binary support for kexec_file
date: 2 months ago
config: loongarch-defconfig (https://download.01.org/0day-ci/archive/20251212/202512120844.nojoAn8R-lkp@xxxxxxxxx/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251212/202512120844.nojoAn8R-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512120844.nojoAn8R-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> Warning: kernel/kexec_elf.c:63 function parameter 'ehdr' not described in 'elf_is_ehdr_sane'
>> Warning: kernel/kexec_elf.c:185 function parameter 'phdr' not described in 'elf_is_phdr_sane'
Warning: kernel/kexec_elf.c:252 function parameter 'buf' not described in 'elf_read_phdrs'
>> Warning: kernel/kexec_elf.c:252 function parameter 'len' not described in 'elf_read_phdrs'
Warning: kernel/kexec_elf.c:252 function parameter 'elf_info' not described in 'elf_read_phdrs'
Warning: kernel/kexec_elf.c:319 function parameter 'elf_info' not described in 'kexec_free_elf_info'
Warning: kernel/kexec_elf.c:328 function parameter 'buf' not described in 'kexec_build_elf_info'
Warning: kernel/kexec_elf.c:328 function parameter 'len' not described in 'kexec_build_elf_info'
Warning: kernel/kexec_elf.c:328 function parameter 'ehdr' not described in 'kexec_build_elf_info'
>> Warning: kernel/kexec_elf.c:328 function parameter 'elf_info' not described in 'kexec_build_elf_info'
>> Warning: kernel/kexec_elf.c:391 function parameter 'image' not described in 'kexec_elf_load'
>> Warning: kernel/kexec_elf.c:391 function parameter 'ehdr' not described in 'kexec_elf_load'
Warning: kernel/kexec_elf.c:391 function parameter 'elf_info' not described in 'kexec_elf_load'
Warning: kernel/kexec_elf.c:391 function parameter 'kbuf' not described in 'kexec_elf_load'

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https://github.com/intel/lkp-tests/wiki