On 9/30/20 4:38 PM, Helge Deller wrote:
> On 9/30/20 3:44 AM, kernel test robot wrote:
>> Hi Helge,
>>
>> FYI, the error/warning still remains.
>
> I answered on 8/29/20, 10:47 PM and didn't got any reply....
> Here is what I wrote:
>
> In drivers/firmware/arm_scmi/perf.c  iowrite64_hi_lo() is called directly.
> So, I could add this function to arch/parisc/lib/iomap.c to prevent the linker error.
> But this file is compiled on parisc just because CONFIG_COMPILE_TEST is set, while
> in production builds it would never be compiled.
>
> So, what's the usual take in such a scenario?
> Shall I ignore this linker error and 0-day warning, or shall I add a workaround?

I fixed it by adding the functions in my for-next tree:
https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git/commit/?h=for-next

Thanks!
Helge



>>
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
>> head:   49e7e3e905e437a02782019570f70997e2da9101
>> commit: ad697ae387f9f707c4065ab26d583c007bec76e4 [3272/11956] parisc: Add qemu fw_cfg interface
>> config: parisc-allyesconfig (attached as .config)
>> compiler: hppa-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
>>         # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=ad697ae387f9f707c4065ab26d583c007bec76e4
>>         git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
>>         git fetch --no-tags linux-next master
>>         git checkout ad697ae387f9f707c4065ab26d583c007bec76e4
>>         # save the attached .config to linux build tree
>>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc
>>
>> If you fix the issue, kindly add following tag as appropriate
>> Reported-by: kernel test robot <lkp@intel.com>
>>
>> All errors (new ones prefixed by >>):
>>
>>    hppa-linux-ld: drivers/firmware/arm_scmi/perf.o: in function `scmi_perf_fc_ring_db':
>>>> (.text+0x610): undefined reference to `ioread64_hi_lo'
>>>> hppa-linux-ld: (.text+0x63c): undefined reference to `iowrite64_hi_lo'
>>
>> ---
>> 0-DAY CI Kernel Test Service, Intel Corporation
>> https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
>>
>