linux-kernel - WARNING: modpost: vmlinux.o(.text+0x1a8edb8): Section mismatch in reference from the function stop_machine() to the function .init.text:intel_rng_hw

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Message-ID: <202102242224.Cpiog92Y-lkp@intel.com>
Date:   Wed, 24 Feb 2021 22:20:32 +0800
From:   kernel test robot <lkp@...el.com>
To:     Juergen Gross <jgross@...e.com>
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        linux-kernel@...r.kernel.org, Borislav Petkov <bp@...e.de>
Subject: WARNING: modpost: vmlinux.o(.text+0x1a8edb8): Section mismatch in
 reference from the function stop_machine() to the function
 .init.text:intel_rng_hw_init()

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c03c21ba6f4e95e406a1a7b4c34ef334b977c194
commit: ab234a260b1f625b26cbefa93ca365b0ae66df33 x86/pv: Rework arch_local_irq_restore() to not use popf
date:   2 weeks ago
config: x86_64-randconfig-a005-20210223 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project f14a14dd2564703db02f80c00db8ae492b594f77)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ab234a260b1f625b26cbefa93ca365b0ae66df33
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout ab234a260b1f625b26cbefa93ca365b0ae66df33
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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+0x1a8edb8): Section mismatch in reference from the function stop_machine() to the function .init.text:intel_rng_hw_init()
The function stop_machine() references
the function __init intel_rng_hw_init().
This is often because stop_machine lacks a __init
annotation or the annotation of intel_rng_hw_init 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" (39032 bytes)