linux-kernel - WARNING: lib/test_bitmap.o(.text.unlikely+0x5c): Section mismatch in reference from the function bitmap_copy_clear_tail() to the variable .init.rodata:clump

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Date:   Tue, 10 Dec 2019 04:17:03 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: WARNING: lib/test_bitmap.o(.text.unlikely+0x5c): Section mismatch in
 reference from the function bitmap_copy_clear_tail() to the variable
 .init.rodata:clump_exp

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   e42617b825f8073569da76dc4510bfa019b1c35a
commit: 30544ed5de431fe25d3793e4dd5a058d877c4d77 lib/bitmap: introduce bitmap_replace() helper
date:   5 days ago
config: xtensa-randconfig-a001-20191209 (attached as .config)
compiler: xtensa-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 30544ed5de431fe25d3793e4dd5a058d877c4d77
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=xtensa 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> WARNING: lib/test_bitmap.o(.text.unlikely+0x5c): Section mismatch in reference from the function bitmap_copy_clear_tail() to the variable .init.rodata:clump_exp
   The function bitmap_copy_clear_tail() references
   the variable __initconst clump_exp.
   This is often because bitmap_copy_clear_tail lacks a __initconst
   annotation or the annotation of clump_exp is wrong.

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

Download attachment ".config.gz" of type "application/gzip" (24999 bytes)