On 11/25/20 11:13 AM, Souptick Joarder wrote:

On Tue, Nov 24, 2020 at 12:40 PM kernel test robot [off-list ref] wrote:

quoted

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 <redacted>

All errors (new ones prefixed by >>):

quoted

quoted

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
--

quoted

quoted

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

quoted

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