Hi Zqiang, Thank you for the patch! Yet something to improve: [auto build test ERROR on paulmck-rcu/dev] [also build test ERROR on v5.18-rc7 next-20220519] [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/intel-lab-lkp/linux/commits/Zqiang/rcu-tasks-Stop-RCU-Tasks-scanning-tasks-which-record-on-dyntick-idle-entry/20220520-125904 base: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev config: m68k-defconfig (https://download.01.org/0day-ci/archive/20220520/202205201526.INo2g6TS-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 11.3.0 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://github.com/intel-lab-lkp/linux/commit/47ee19cf17eefb7dd696eabb583e5dcba4cd89e1 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Zqiang/rcu-tasks-Stop-RCU-Tasks-scanning-tasks-which-record-on-dyntick-idle-entry/20220520-125904 git checkout 47ee19cf17eefb7dd696eabb583e5dcba4cd89e1 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=m68k SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from kernel/rcu/update.c:606: kernel/rcu/tasks.h: In function 'task_is_on_dyntick_idle': >> kernel/rcu/tasks.h:212:34: error: 'struct task_struct' has no member named 'rcu_tasks_idle_cpu' 212 | t->rcu_tasks_idle_cpu >= 0; | ^~ At top level: kernel/rcu/tasks.h:209:13: warning: 'task_is_on_dyntick_idle' defined but not used [-Wunused-function] 209 | static bool task_is_on_dyntick_idle(struct task_struct *t) | ^~~~~~~~~~~~~~~~~~~~~~~ vim +212 kernel/rcu/tasks.h 208 209 static bool task_is_on_dyntick_idle(struct task_struct *t) 210 { 211 return IS_ENABLED(CONFIG_NO_HZ_FULL) && !is_idle_task(t) && > 212 t->rcu_tasks_idle_cpu >= 0; 213 } 214 -- 0-DAY CI Kernel Test Service https://01.org/lkp
