linux-kernel - WARNING: modpost: vmlinux.o(.text.unlikely+0x24dc): Section mismatch in reference from the function find_next_bit() to the variable .init.rodata:__setup_str_initcall

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Message-ID: <202206120501.LD90ONuZ-lkp@intel.com>
Date:   Sun, 12 Jun 2022 05:21:05 +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
Subject: WARNING: modpost: vmlinux.o(.text.unlikely+0x24dc): Section mismatch
 in reference from the function find_next_bit() to the variable
 .init.rodata:__setup_str_initcall_blacklist

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0678afa6055d14799c1dc1eee47c8025eba56cab
commit: 2c523550b9924f98299414253d8a1fef7c60ef2d lib/bitmap: add test for bitmap_{from,to}_arr64
date:   8 days ago
config: xtensa-randconfig-r001-20220612 (https://download.01.org/0day-ci/archive/20220612/202206120501.LD90ONuZ-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 11.3.0
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=2c523550b9924f98299414253d8a1fef7c60ef2d
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 2c523550b9924f98299414253d8a1fef7c60ef2d
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=xtensa SHELL=/bin/bash

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

All warnings (new ones prefixed by >>, old ones prefixed by <<):

<< WARNING: modpost: vmlinux.o(.text.unlikely+0x24b0): Section mismatch in reference from the function bitmap_equal() to the variable .init.rodata:__setup_str_initcall_blacklist
>> WARNING: modpost: vmlinux.o(.text.unlikely+0x24dc): Section mismatch in reference from the function find_next_bit() to the variable .init.rodata:__setup_str_initcall_blacklist
The function find_next_bit() references
the variable __initconst __setup_str_initcall_blacklist.
This is often because find_next_bit lacks a __initconst
annotation or the annotation of __setup_str_initcall_blacklist is wrong.

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