linux-kernel - WARNING: modpost: vmlinux.o(.text.unlikely+0x3120): Section mismatch in reference from the function trace_define_common_fields() to the variable .init.data:initcall_level

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Message-ID: <202204060353.d0FrU970-lkp@intel.com>
Date:   Wed, 6 Apr 2022 03:43:17 +0800
From:   kernel test robot <lkp@...el.com>
To:     "Steven Rostedt (VMware)" <rostedt@...dmis.org>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: WARNING: modpost: vmlinux.o(.text.unlikely+0x3120): Section mismatch
 in reference from the function trace_define_common_fields() to the variable
 .init.data:initcall_level_names

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3e732ebf7316ac83e8562db7e64cc68aec390a18
commit: a55f224ff5f238013de8762c4287117e47b86e22 tracing: Fix pid filtering when triggers are attached
date:   4 months ago
config: xtensa-randconfig-r026-20220405 (https://download.01.org/0day-ci/archive/20220406/202204060353.d0FrU970-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 11.2.0
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=a55f224ff5f238013de8762c4287117e47b86e22
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout a55f224ff5f238013de8762c4287117e47b86e22
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 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+0x2f30): Section mismatch in reference from the function init_tracefs.isra.0() to the variable .init.data:initcall_level_names
>> WARNING: modpost: vmlinux.o(.text.unlikely+0x3120): Section mismatch in reference from the function trace_define_common_fields() to the variable .init.data:initcall_level_names
The function trace_define_common_fields() references
the variable __initdata initcall_level_names.
This is often because trace_define_common_fields lacks a __initdata
annotation or the annotation of initcall_level_names is wrong.

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