Re: [hnaz-mm:master 34/291] WARNING: modpost: vmlinux.o(.data+0x234bc8): Section mismatch in reference from the variable fc2580_driver to the function .init.text:set_reset_devices()

From: David Hildenbrand
Date: Mon Apr 25 2022 - 04:05:40 EST


On 24.04.22 06:21, kernel test robot wrote:
> tree: https://github.com/hnaz/linux-mm master
> head: ba42854fa9997614e0ffdbc35b082df3ba6e59da
> commit: 477a4d0f1f38e738d1a50d5005b79aca719c30bc [34/291] mm/hugetlb: take src_mm->write_protect_seq in copy_hugetlb_page_range()
> config: riscv-randconfig-r015-20220420 (https://download.01.org/0day-ci/archive/20220424/202204241241.dnUrBBvT-lkp@xxxxxxxxx/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/477a4d0f1f38e738d1a50d5005b79aca719c30bc
> git remote add hnaz-mm https://github.com/hnaz/linux-mm
> git fetch --no-tags hnaz-mm master
> git checkout 477a4d0f1f38e738d1a50d5005b79aca719c30bc
> # 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@xxxxxxxxx>
>
> All warnings (new ones prefixed by >>, old ones prefixed by <<):
>
>>> WARNING: modpost: vmlinux.o(.data+0x234bc8): Section mismatch in reference from the variable fc2580_driver to the function .init.text:set_reset_devices()
> The variable fc2580_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:

I don't see my patch causing that. Seems unrelated.

--
Thanks,

David / dhildenb