Hi Zhen, Thank you for the patch! Yet something to improve: [auto build test ERROR on paulmck-rcu/dev] [also build test ERROR on linus/master v5.19-rc8 next-20220727] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Zhen-Lei/rcu-Display-registers-of-self-detected-stall-as-far-as-possible/20220727-141107 base: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev config: x86_64-randconfig-a005 (https://download.01.org/0day-ci/archive/20220728/202207280520.yvgjXjJx-lkp@xxxxxxxxx/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 8dfaecc4c24494337933aff9d9166486ca0949f1) 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/9f3fe5a0e46546db5bcfd1f33f12d87339e5de98 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Zhen-Lei/rcu-Display-registers-of-self-detected-stall-as-far-as-possible/20220727-141107 git checkout 9f3fe5a0e46546db5bcfd1f33f12d87339e5de98 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from kernel/rcu/tree.c:4641: >> kernel/rcu/tree_stall.h:358:10: error: call to undeclared function 'get_irq_regs'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] regs = get_irq_regs(); ^ >> kernel/rcu/tree_stall.h:358:8: error: incompatible integer to pointer conversion assigning to 'struct pt_regs *' from 'int' [-Wint-conversion] regs = get_irq_regs(); ^ ~~~~~~~~~~~~~~ 2 errors generated. vim +/get_irq_regs +358 kernel/rcu/tree_stall.h 352 353 static void rcu_dump_cpu_task(int cpu) 354 { 355 if (cpu == smp_processor_id() && in_irq()) { 356 struct pt_regs *regs; 357 > 358 regs = get_irq_regs(); 359 if (regs) { 360 show_regs(regs); 361 return; 362 } 363 } 364 365 dump_cpu_task(cpu); 366 } 367 -- 0-DAY CI Kernel Test Service https://01.org/lkp
