linux-kernel - Re: [driver-core:driver-core-testing 28/31] WARNING: modpost: vmlinux.o(.text.unlikely+0x156c): Section mismatch in reference from the function bitmap_equal() to the variable .init.data:initcall_level

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Message-ID: <YRfGfcwxFR0L/e77@kroah.com>
Date:   Sat, 14 Aug 2021 15:34:53 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     kernel test robot <lkp@...el.com>
Cc:     Barry Song <song.bao.hua@...ilicon.com>,
        devel@...verdev.osuosl.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: Re: [driver-core:driver-core-testing 28/31] WARNING: modpost:
 vmlinux.o(.text.unlikely+0x156c): Section mismatch in reference from the
 function bitmap_equal() to the variable .init.data:initcall_level_names

On Sat, Aug 14, 2021 at 07:03:00PM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git driver-core-testing
> head:   3b35f2a6a625126c57475aa56b5357d8e80b404c
> commit: 291f93ca339f5b5e6e90ad037bb8271f0f618165 [28/31] lib: test_bitmap: add bitmap_print_bitmask/list_to_buf test cases
> config: xtensa-randconfig-r004-20210814 (attached as .config)
> compiler: xtensa-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/gregkh/driver-core.git/commit/?id=291f93ca339f5b5e6e90ad037bb8271f0f618165
>         git remote add driver-core https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git
>         git fetch --no-tags driver-core driver-core-testing
>         git checkout 291f93ca339f5b5e6e90ad037bb8271f0f618165
>         # 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=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: vmlinux.o(.text.unlikely+0x156c): Section mismatch in reference from the function bitmap_equal() to the variable .init.data:initcall_level_names
> The function bitmap_equal() references
> the variable __initdata initcall_level_names.
> This is often because bitmap_equal lacks a __initdata
> annotation or the annotation of initcall_level_names is wrong.
> 
> The below error/warnings are from parent commit:
> << WARNING: modpost: vmlinux.o(.data+0x1a86d8): Section mismatch in reference from the variable qed_mfw_legacy_maps to the variable .init.rodata:__setup_str_initcall_blacklist
> << WARNING: modpost: vmlinux.o(.data+0x1a87c8): Section mismatch in reference from the variable qed_mfw_ext_maps to the variable .init.rodata:__setup_str_initcall_blacklist
> << WARNING: modpost: vmlinux.o(.data+0x1a8948): Section mismatch in reference from the variable qede_forced_speed_maps to the variable .init.rodata:__setup_str_initcall_blacklist
> 
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Barry, can I get a fix for this?

thanks,

greg k-h