[jimc:dd-diet-rfc 26/30] ld: warning: orphan section `.gnu.linkonce.dyndbg_site' from `arch/x86/kernel/head64.o' being placed in section `.gnu.linkonce.dyndbg_site'

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

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tree:   https://github.com/jimc/linux.git dd-diet-rfc
head:   3250797d75caa94f15095d238cb28121a5146f20
commit: 6db1423d5e77269198534c7bf8088269ba4339e7 [26/30] dyndbg: add DEFINE_DYNAMIC_DEBUG_TABLE, use it tacitly RFC
config: x86_64-randconfig-a011 (attached as .config)
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/jimc/linux/commit/6db1423d5e77269198534c7bf8088269ba4339e7
        git remote add jimc https://github.com/jimc/linux.git
        git fetch --no-tags jimc dd-diet-rfc
        git checkout 6db1423d5e77269198534c7bf8088269ba4339e7
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> ld: warning: orphan section `.gnu.linkonce.dyndbg_site' from `arch/x86/kernel/head64.o' being placed in section `.gnu.linkonce.dyndbg_site'
>> ld: warning: orphan section `.gnu.linkonce.dyndbg' from `arch/x86/kernel/head64.o' being placed in section `.gnu.linkonce.dyndbg'
   ld: lib/dynamic_debug.o: in function `dynamic_debug_init':
   lib/dynamic_debug.c:1528: undefined reference to `__dyndbg_header'
   ld: lib/dynamic_debug.c:1555: undefined reference to `__dyndbg_site_header'
   ld: lib/dynamic_debug.c:1555: undefined reference to `__dyndbg_header'
   pahole: .tmp_vmlinux.btf: No such file or directory
   .btf.vmlinux.bin.o: file not recognized: file format not recognized

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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