Hi Lai, kernel test robot noticed the following build errors: [auto build test ERROR on paulmck-rcu/dev] [also build test ERROR on tip/locking/core tip/sched/core tip/x86/asm tip/master linus/master v6.9-rc1 next-20240328] [cannot apply to tip/x86/core tip/auto-latest] [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/Lai-Jiangshan/lib-Use-rcu_preempt_depth-to-replace-current-rcu_read_lock_nesting/20240328-155513 base: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev patch link: https://lore.kernel.org/r/20240328075318.83039-10-jiangshanlai%40gmail.com patch subject: [PATCH 09/10] x86/rcu: Add rcu_preempt_count config: x86_64-randconfig-161-20240328 (https://download.01.org/0day-ci/archive/20240329/202403291422.SOVYexxO-lkp@xxxxxxxxx/config) compiler: gcc-10 (Ubuntu 10.5.0-1ubuntu1) 10.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240329/202403291422.SOVYexxO-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202403291422.SOVYexxO-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): >> arch/x86/kernel/cpu/common.c:1998:3: error: 'struct pcpu_hot' has no member named 'rcu_preempt_count'; did you mean 'preempt_count'? 1998 | .rcu_preempt_count = RCU_PREEMPT_INIT, | ^~~~~~~~~~~~~~~~~ | preempt_count >> arch/x86/kernel/cpu/common.c:1998:23: error: 'RCU_PREEMPT_INIT' undeclared here (not in a function); did you mean 'RCUREF_INIT'? 1998 | .rcu_preempt_count = RCU_PREEMPT_INIT, | ^~~~~~~~~~~~~~~~ | RCUREF_INIT >> arch/x86/kernel/cpu/common.c:1998:23: warning: excess elements in struct initializer arch/x86/kernel/cpu/common.c:1998:23: note: (near initialization for 'pcpu_hot') vim +1998 arch/x86/kernel/cpu/common.c 1993 1994 DEFINE_PER_CPU_ALIGNED(struct pcpu_hot, pcpu_hot) = { 1995 .current_task = &init_task, 1996 .preempt_count = INIT_PREEMPT_COUNT, 1997 .top_of_stack = TOP_OF_INIT_STACK, > 1998 .rcu_preempt_count = RCU_PREEMPT_INIT, 1999 }; 2000 EXPORT_PER_CPU_SYMBOL(pcpu_hot); 2001 EXPORT_PER_CPU_SYMBOL(const_pcpu_hot); 2002 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
