linux-kernel - WARNING: modpost: drivers/char/agp/parisc-agp.o(.text+0x7a0): Section mismatch in reference from the function init_module() to the function .init.text:parisc_agp

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Date:   Fri, 26 Nov 2021 07:45:14 +0800
From:   kernel test robot <lkp@...el.com>
To:     Helge Deller <deller@....de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: WARNING: modpost: drivers/char/agp/parisc-agp.o(.text+0x7a0):
 Section mismatch in reference from the function init_module() to the
 function .init.text:parisc_agp_setup.isra.0()

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8ced7ca3570333998ad2088d5a6275701970e28e
commit: e5a2cac908df691f1637f9272d4c6dec83239611 parisc: Drop __arch_swab16(), arch_swab24(), _arch_swab32() and __arch_swab64() functions
date:   3 months ago
config: parisc-randconfig-r036-20211123 (https://download.01.org/0day-ci/archive/20211126/202111260703.dxphy7BO-lkp@intel.com/config)
compiler: hppa64-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/torvalds/linux.git/commit/?id=e5a2cac908df691f1637f9272d4c6dec83239611
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout e5a2cac908df691f1637f9272d4c6dec83239611
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=parisc 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: drivers/char/agp/parisc-agp.o(.text+0x7a0): Section mismatch in reference from the function init_module() to the function .init.text:parisc_agp_setup.isra.0()
The function init_module() references
the function __init parisc_agp_setup.isra.0().
This is often because init_module lacks a __init
annotation or the annotation of parisc_agp_setup.isra.0 is wrong.

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