linux-kernel - WARNING: modpost: lib/find_bit_benchmark.o(.text.unlikely+0x4): Section mismatch in reference from the variable $c to the variable .init.data:bitmap

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Message-ID: <202111161151.9MRj8Srs-lkp@intel.com>
Date:   Tue, 16 Nov 2021 11:09:59 +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>,
        Marco Elver <elver@...gle.com>
Subject: WARNING: modpost: lib/find_bit_benchmark.o(.text.unlikely+0x4):
 Section mismatch in reference from the variable $c to the variable
 .init.data:bitmap

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8ab774587903771821b59471cc723bba6d893942
commit: 9248e52fec9536590852844b0634b5d20483c1ab locking/atomic: simplify non-atomic wrappers
date:   3 months ago
config: nds32-randconfig-r005-20211104 (attached as .config)
compiler: nds32le-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=9248e52fec9536590852844b0634b5d20483c1ab
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 9248e52fec9536590852844b0634b5d20483c1ab
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=nds32 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: lib/find_bit_benchmark.o(.text.unlikely+0x4): Section mismatch in reference from the variable $c to the variable .init.data:bitmap
The function $c() references
the variable __initdata bitmap.
This is often because $c lacks a __initdata
annotation or the annotation of bitmap 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" (31914 bytes)