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SubjectRe: arch/powerpc/platforms/pseries/reconfig.c:394:30: error: 'ofdt_proc_ops' defined but not used
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On 11/25/20 11:13 AM, Souptick Joarder wrote:
> On Tue, Nov 24, 2020 at 12:40 PM kernel test robot <lkp@intel.com> wrote:
>>
>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head: d5beb3140f91b1c8a3d41b14d729aefa4dcc58bc
>> commit: 97a32539b9568bb653683349e5a76d02ff3c3e2c proc: convert everything to "struct proc_ops"
>> date: 10 months ago
>> config: powerpc-randconfig-r002-20201124 (attached as .config)
>> compiler: powerpc64le-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/torvalds/linux.git/commit/?id=97a32539b9568bb653683349e5a76d02ff3c3e2c
>> git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>> git fetch --no-tags linus master
>> git checkout 97a32539b9568bb653683349e5a76d02ff3c3e2c
>> # 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@intel.com>
>>
>> All errors (new ones prefixed by >>):
>>
>>>> arch/powerpc/platforms/pseries/reconfig.c:394:30: error: 'ofdt_proc_ops' defined but not used [-Werror=unused-const-variable=]
>> 394 | static const struct proc_ops ofdt_proc_ops = {
>> | ^~~~~~~~~~~~~
>> cc1: all warnings being treated as errors
>> --
>>>> arch/powerpc/platforms/pseries/lparcfg.c:701:30: error: 'lparcfg_proc_ops' defined but not used [-Werror=unused-const-variable=]
>> 701 | static const struct proc_ops lparcfg_proc_ops = {
>> | ^~~~~~~~~~~~~~~~
>> cc1: all warnings being treated as errors
>
> Both ofdt_proc_ops & lparcfg_proc_ops are used by proc_create().
> Not sure why it is throwing warnings.
>

because this:

# CONFIG_PROC_FS is not set

>>
>> vim +/ofdt_proc_ops +394 arch/powerpc/platforms/pseries/reconfig.c
>>
>> 393
>> > 394 static const struct proc_ops ofdt_proc_ops = {
>> 395 .proc_write = ofdt_write,
>> 396 .proc_lseek = noop_llseek,
>> 397 };
>> 398


--
~Randy

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