[kbuild-all] [linux-review:UPDATE-20200621-041756/Alexander-Kapshuk/net-9p-Fix-sparse-rcu-warnings-in-client-c/20200619-023614 1/1] ERROR: modpost: "__lock_task_sighand" undefined!

tree: https://github.com/0day-ci/linux/commits/UPDATE-20200621-041756/Alexander... head: 7d66c9784314a612ae502c6fbfc86a5ab5d8d316 commit: 7d66c9784314a612ae502c6fbfc86a5ab5d8d316 [1/1] net/9p: Validate current->sighand in client.c config: parisc-allmodconfig (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 git checkout 7d66c9784314a612ae502c6fbfc86a5ab5d8d316 # 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(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org