linux-kernel - WARNING: modpost: vmlinux.o(.text.unlikely+0x21b0): Section mismatch in reference from the function jent_panic() to the variable .init.data:initcall_level

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Message-ID: <202107282337.w4RhFpSj-lkp@intel.com>
Date:   Wed, 28 Jul 2021 23:00:42 +0800
From:   kernel test robot <lkp@...el.com>
To:     Yury Norov <yury.norov@...il.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: WARNING: modpost: vmlinux.o(.text.unlikely+0x21b0): Section mismatch
 in reference from the function jent_panic() to the variable
 .init.data:initcall_level_names

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7d549995d4e0d99b68e8a7793a0d23da6fc40fe8
commit: 277a20a498d30753f5d8a607dbf967bc163552c1 lib: add fast path for find_next_*_bit()
date:   3 months ago
config: xtensa-buildonly-randconfig-r002-20210728 (attached as .config)
compiler: xtensa-linux-gcc (GCC) 10.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=277a20a498d30753f5d8a607dbf967bc163552c1
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 277a20a498d30753f5d8a607dbf967bc163552c1
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross O=build_dir ARCH=xtensa 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 >>, old ones prefixed by <<):

>> WARNING: modpost: vmlinux.o(.text.unlikely+0x21b0): Section mismatch in reference from the function jent_panic() to the variable .init.data:initcall_level_names
The function jent_panic() references
the variable __initdata initcall_level_names.
This is often because jent_panic lacks a __initdata
annotation or the annotation of initcall_level_names is wrong.

The below error/warnings are from parent commit:
<< WARNING: modpost: vmlinux.o(.text.unlikely+0x25fc): Section mismatch in reference from the function bitmap_equal() to the variable .init.rodata:__setup_str_initcall_blacklist

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

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