WARNING: modpost: vmlinux: section mismatch in reference: __trace_event_discard_commit+0x17c (section: .text.unlikely) -> initcall_level_names (section: .init.data)

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f2e8a57ee9036c7d5443382b6c3c09b51a92ec7e
commit: 481461f5109919babbb393d6f68002936b8e2493 linux/export.h: make <linux/export.h> independent of CONFIG_MODULES
date:   5 months ago
config: xtensa-randconfig-r021-20220202 (https://download.01.org/0day-ci/archive/20231210/202312100019.bDPk8Vy2-lkp@xxxxxxxxx/config)
compiler: xtensa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231210/202312100019.bDPk8Vy2-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312100019.bDPk8Vy2-lkp@xxxxxxxxx/

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

WARNING: modpost: missing MODULE_DESCRIPTION() in vmlinux.o
>> WARNING: modpost: vmlinux: section mismatch in reference: __trace_event_discard_commit+0x17c (section: .text.unlikely) -> initcall_level_names (section: .init.data)

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https://github.com/intel/lkp-tests/wiki