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From: kernel test robot <lkp@intel.com>
To: Yury Norov <yury.norov@gmail.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Linux Memory Management List <linux-mm@kvack.org>
Subject: WARNING: modpost: lib/find_bit_benchmark.o(.text.unlikely+0x0): Section mismatch in reference from the (unknown reference) (unknown) to the variable .init.data:bitmap2
Date: Fri, 30 Jul 2021 14:21:00 +0800	[thread overview]
Message-ID: <202107301457.BL5DSQDz-lkp@intel.com> (raw)

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7e96bf476270aecea66740a083e51b38c1371cd2
commit: 277a20a498d30753f5d8a607dbf967bc163552c1 lib: add fast path for find_next_*_bit()
date:   3 months ago
config: xtensa-randconfig-r033-20210730 (attached as .config)
compiler: xtensa-linux-gcc (GCC) 10.3.0
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=277a20a498d30753f5d8a607dbf967bc163552c1
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 277a20a498d30753f5d8a607dbf967bc163552c1
        # save the attached .config to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 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@intel.com>

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

>> WARNING: modpost: lib/find_bit_benchmark.o(.text.unlikely+0x0): Section mismatch in reference from the (unknown reference) (unknown) to the variable .init.data:bitmap2
The function (unknown)() references
the variable __initdata bitmap2.
This is often because (unknown) lacks a __initdata
annotation or the annotation of bitmap2 is wrong.

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

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                 reply	other threads:[~2021-07-30  6:21 UTC|newest]

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