linux-kernel - WARNING: modpost: vmlinux.o(.text.unlikely+0x2de0): Section mismatch in reference from the function trace_printk_seq() to the variable .init.data:initcall_level

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Message-ID: <202104221744.knP6tw75-lkp@intel.com>
Date:   Thu, 22 Apr 2021 17:30:53 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mark Rutland <mark.rutland@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Peter Zijlstra <peterz@...radead.org>
Subject: WARNING: modpost: vmlinux.o(.text.unlikely+0x2de0): Section mismatch
 in reference from the function trace_printk_seq() to the variable
 .init.data:initcall_level_names

Hi Mark,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   16fc44d6387e260f4932e9248b985837324705d8
commit: 997acaf6b4b59c6a9c259740312a69ea549cc684 lockdep: report broken irq restoration
date:   3 months ago
config: xtensa-randconfig-r023-20210422 (attached as .config)
compiler: xtensa-linux-gcc (GCC) 9.3.0
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=997acaf6b4b59c6a9c259740312a69ea549cc684
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 997acaf6b4b59c6a9c259740312a69ea549cc684
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=xtensa 

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+0x2de0): Section mismatch in reference from the function trace_printk_seq() to the variable .init.data:initcall_level_names
The function trace_printk_seq() references
the variable __initdata initcall_level_names.
This is often because trace_printk_seq 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

Download attachment ".config.gz" of type "application/gzip" (27103 bytes)