linux-kernel - [peterz-queue:objtool/core 34/37] lib/sort.o: warning: objtool: elf_add

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Message-ID: <202110131207.Z1pxCFMa-lkp@intel.com>
Date:   Wed, 13 Oct 2021 12:33:14 +0800
From:   kernel test robot <lkp@...el.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [peterz-queue:objtool/core 34/37] lib/sort.o: warning: objtool:
 elf_add_altinstr

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git objtool/core
head:   2c2219e14a94c00327f7dcdfe141a56e27471dd4
commit: b0df0e76d449be249080d8f5f678032f2397b6f0 [34/37] objtool,x86: Try inline RETPOLINE_AMD
config: x86_64-randconfig-c024-20211013 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=b0df0e76d449be249080d8f5f678032f2397b6f0
        git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
        git fetch --no-tags peterz-queue objtool/core
        git checkout b0df0e76d449be249080d8f5f678032f2397b6f0
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> lib/sort.o: warning: objtool: no non-local symbols !?
>> lib/sort.o: warning: objtool: gelf_update_symshndx: invalid section index
>> lib/sort.o: warning: objtool: elf_create_section_symbol
>> lib/sort.o: warning: objtool: elf_create_section: invalid section index
>> lib/sort.o: warning: objtool: elf_add_altinstr
>> lib/sort.o: warning: objtool: elf_add_retpoline #2
>> lib/sort.o: warning: objtool: sort_r()+0xf6: rewrite_retpoline
--
>> vmlinux.o: warning: objtool: .altinstructions+0x14250: can't find orig reloc

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (31992 bytes)