linux-kernel - [saeed:net-next-mlx5 100/108] WARNING: modpost: vmlinux.o(.text+0x12ced2d): Section mismatch in reference from the function smc_sysctl_exit() to the variable .init.data:smc_sysctl

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Date:   Wed, 2 Mar 2022 10:51:22 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dust Li <dust.li@...ux.alibaba.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Tony Lu <tonylu@...ux.alibaba.com>
Subject: [saeed:net-next-mlx5 100/108] WARNING: modpost:
 vmlinux.o(.text+0x12ced2d): Section mismatch in reference from the function
 smc_sysctl_exit() to the variable .init.data:smc_sysctl_ops

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux.git net-next-mlx5
head:   f6aab83b7decaf651cffe7fdac7d0bb316ea6bca
commit: 462791bbfa350189e309a5a94541f6b63cd874e8 [100/108] net/smc: add sysctl interface for SMC
config: x86_64-randconfig-a015 (https://download.01.org/0day-ci/archive/20220302/202203020706.79iSCfMF-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux.git/commit/?id=462791bbfa350189e309a5a94541f6b63cd874e8
        git remote add saeed https://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux.git
        git fetch --no-tags saeed net-next-mlx5
        git checkout 462791bbfa350189e309a5a94541f6b63cd874e8
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 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+0x12ced2d): Section mismatch in reference from the function smc_sysctl_exit() to the variable .init.data:smc_sysctl_ops
The function smc_sysctl_exit() references
the variable __initdata smc_sysctl_ops.
This is often because smc_sysctl_exit lacks a __initdata
annotation or the annotation of smc_sysctl_ops is wrong.

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