On 2022/7/28 5:12, kernel test robot wrote: > 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(); OK, I will fix it in v2, thanks. > ^ >>> 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 > -- Regards, Zhen Lei