vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x2e: relocation to !ENDBR: machine_kexec_prepare+0x79e

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   21e4543a2e2f8538373d1d19264c4bae6f13e798
commit: b3adabae8a96fee62184f4236bf60313b35244e9 x86/kexec: Drop page_list argument from relocate_kernel()
date:   3 months ago
config: x86_64-buildonly-randconfig-006-20250308 (https://download.01.org/0day-ci/archive/20250308/202503081112.DOWVLRrj-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/20250308/202503081112.DOWVLRrj-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/202503081112.DOWVLRrj-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   vmlinux.o: warning: objtool: ___bpf_prog_run+0x40: sibling call from callable instruction with modified stack frame
>> vmlinux.o: warning: objtool: set_ftrace_ops_ro+0x2e: relocation to !ENDBR: machine_kexec_prepare+0x79e

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