Re: [PATCH v3] PCI: Add pci_iounmap

[Yang Yingliang]

On 2020/8/25 9:25, kernel test robot wrote:
> Hi George,
>
> I love your patch! Yet something to improve:
>
> [auto build test ERROR on pci/next]
> [also build test ERROR on linux/master linus/master asm-generic/master v5.9-rc2 next-20200824]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
>
> url:    https://github.com/0day-ci/linux/commits/George-Cherian/PCI-Add-pci_iounmap/20200824-212149
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
> config: powerpc-allyesconfig (attached as .config)
> compiler: powerpc64-linux-gcc (GCC) 9.3.0
> 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
>          # save the attached .config to linux build tree
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
>
> All errors (new ones prefixed by >>):
>
>     powerpc64-linux-ld: lib/pci_iomap.o: in function `__crc_pci_iounmap':
> > > (.rodata+0x10): multiple definition of `__crc_pci_iounmap'; lib/iomap.o:(.rodata+0x68): first defined here
EXPORT_SYMBOL(pci_iounmap) in lib/iomap.c need be removed.
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx