linux-kernel - Re: [PATCH v9 2/5] lib: test_bitmap: add bitmap_print_bitmask/list_to

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Date:   Sat, 7 Aug 2021 01:51:36 +0800
From:   kernel test robot <lkp@...el.com>
To:     Barry Song <song.bao.hua@...ilicon.com>,
        andriy.shevchenko@...ux.intel.com, yury.norov@...il.com,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, akpm@...ux-foundation.org,
        dave.hansen@...el.com, linux@...musvillemoes.dk, rafael@...nel.org,
        rdunlap@...radead.org, agordeev@...ux.ibm.com
Subject: Re: [PATCH v9 2/5] lib: test_bitmap: add
 bitmap_print_bitmask/list_to_buf test cases

Hi Barry,

I love your patch! Perhaps something to improve:

[auto build test WARNING on driver-core/driver-core-testing]
[also build test WARNING on staging/staging-testing linus/master v5.14-rc4 next-20210805]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Barry-Song/use-bin_attribute-to-break-the-size-limitation-of-cpumap-ABI/20210806-190735
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git 112cedc8e600b668688eb809bf11817adec58ddc
config: xtensa-randconfig-r011-20210805 (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://github.com/0day-ci/linux/commit/cc67b898a0f6f1a93163c0c296cfa77b1f04f72d
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Barry-Song/use-bin_attribute-to-break-the-size-limitation-of-cpumap-ABI/20210806-190735
        git checkout cc67b898a0f6f1a93163c0c296cfa77b1f04f72d
        # 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@...el.com>

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

>> WARNING: modpost: lib/test_bitmap.o(.text.unlikely+0x58): Section mismatch in reference from the function bitmap_equal() to the variable .init.data:print_buf
The function bitmap_equal() references
the variable __initdata print_buf.
This is often because bitmap_equal lacks a __initdata
annotation or the annotation of print_buf 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" (33794 bytes)