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()

[Chen, Rong A]

On 4/25/2022 4:04 PM, David Hildenbrand wrote:
> 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.


Hi David,

Please ignore this report, similar warnings can be found on parent 
commit too:

Note: the below error/warnings can be found in parent commit:
<< WARNING: modpost: vmlinux.o(.text+0x13e3592): Section mismatch in 
reference from the function usbhid_find_interface() to the variable 
.init.text:.LBB0_1
<< WARNING: modpost: vmlinux.o(.text+0x13e3596): Section mismatch in 
reference from the function usbhid_find_interface() to the function 
.init.text:set_reset_devices()

Best Regards,
Rong Chen