linux-kernel - WARNING: modpost: vmlinux.o(.text.unlikely+0x4a60): Section mismatch in reference from the function trace_define_generic_fields() to the variable .init.data:initcall_level

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Message-ID: <202112022336.rYvP7NxX-lkp@intel.com>
Date:   Thu, 2 Dec 2021 23:32:21 +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+0x4a60): Section mismatch
 in reference from the function trace_define_generic_fields() to the variable
 .init.data:initcall_level_names

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   58e1100fdc5990b0cc0d4beaf2562a92e621ac7d
commit: a55f224ff5f238013de8762c4287117e47b86e22 tracing: Fix pid filtering when triggers are attached
date:   6 days ago
config: xtensa-buildonly-randconfig-r002-20211202 (https://download.01.org/0day-ci/archive/20211202/202112022336.rYvP7NxX-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+0x48c8): Section mismatch in reference from the function __trace_event_discard_commit() to the variable .init.data:initcall_level_names
>> WARNING: modpost: vmlinux.o(.text.unlikely+0x4a60): Section mismatch in reference from the function trace_define_generic_fields() to the variable .init.data:initcall_level_names
The function trace_define_generic_fields() references
the variable __initdata initcall_level_names.
This is often because trace_define_generic_fields lacks a __initdata
annotation or the annotation of initcall_level_names is wrong.

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