linux-kernel - [hnaz-mm:master 1/291] WARNING: modpost: vmlinux.o(.data+0x25c2ac): Section mismatch in reference from the variable ad7418_driver to the function .init.text:set_reset

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Date:   Fri, 22 Apr 2022 08:18:32 +0800
From:   kernel test robot <lkp@...el.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Linux Memory Management List <linux-mm@...ck.org>,
        Johannes Weiner <hannes@...xchg.org>
Subject: [hnaz-mm:master 1/291] WARNING: modpost: vmlinux.o(.data+0x25c2ac):
 Section mismatch in reference from the variable ad7418_driver to the
 function .init.text:set_reset_devices()

tree:   https://github.com/hnaz/linux-mm master
head:   ba42854fa9997614e0ffdbc35b082df3ba6e59da
commit: c94c865a5858f9ddb424d9b57b33d1664a986044 [1/291] origin
config: riscv-randconfig-r015-20220420 (https://download.01.org/0day-ci/archive/20220422/202204220814.GIektaty-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project bac6cd5bf85669e3376610cfc4c4f9ca015e7b9b)
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
        # install riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://github.com/hnaz/linux-mm/commit/c94c865a5858f9ddb424d9b57b33d1664a986044
        git remote add hnaz-mm https://github.com/hnaz/linux-mm
        git fetch --no-tags hnaz-mm master
        git checkout c94c865a5858f9ddb424d9b57b33d1664a986044
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv 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(.data+0x25c2ac): Section mismatch in reference from the variable ad7418_driver to the function .init.text:set_reset_devices()
The variable ad7418_driver references
the function __init set_reset_devices()
If the reference is valid then annotate the
variable with or __refdata (see linux/init.h) or name the variable:


Note: the below error/warnings can be found in parent commit:
<< WARNING: modpost: vmlinux.o(.text+0x126d798): Section mismatch in reference from the function ir_raw_get_allowed_protocols() to the function .init.text:set_reset_devices()
<< WARNING: modpost: vmlinux.o(.text+0x1505c8e): Section mismatch in reference from the function tb_debugfs_exit() to the function .init.text:set_reset_devices()
<< WARNING: modpost: vmlinux.o(.data+0x2356bc): Section mismatch in reference from the variable tuners to the function .init.text:set_reset_devices()
<< WARNING: modpost: vmlinux.o(.data+0x25c43c): Section mismatch in reference from the variable ad7417_attrs to the function .meminit.text:init_reserve_notifier()
<< WARNING: modpost: vmlinux.o(.data+0x25c444): Section mismatch in reference from the variable ad7417_attrs to the variable .meminit.text:.LBB9_3
<< WARNING: modpost: vmlinux.o(.data+0x25c454): Section mismatch in reference from the variable sensor_dev_attr_in1_input to the function .meminit.text:init_reserve_notifier()
<< WARNING: modpost: vmlinux.o(.data+0x25c474): Section mismatch in reference from the variable sensor_dev_attr_in2_input to the function .meminit.text:init_reserve_notifier()
<< WARNING: modpost: vmlinux.o(.data+0x25c494): Section mismatch in reference from the variable sensor_dev_attr_in3_input to the function .meminit.text:init_reserve_notifier()
<< WARNING: modpost: vmlinux.o(.data+0x25c4b4): Section mismatch in reference from the variable sensor_dev_attr_in4_input to the variable .meminit.text:.LBB9_4
<< WARNING: modpost: vmlinux.o(.data+0x25c4c8): Section mismatch in reference from the variable sensor_dev_attr_in4_input to the function .meminit.text:init_reserve_notifier()

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp