Messages in this thread | | | Date | Wed, 27 Apr 2022 01:55:08 +0800 | From | kernel test robot <> | Subject | kernel/trace/trace_osnoise.c:101:1: sparse: sparse: symbol '__pcpu_scope_per_cpu_osnoise_var' was not declared. Should it be static? |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: d615b5416f8a1afeb82d13b238f8152c572d59c0 commit: bce29ac9ce0bb0b0b146b687ab978378c21e9078 trace: Add osnoise tracer date: 10 months ago config: parisc-randconfig-s031-20220425 (https://download.01.org/0day-ci/archive/20220427/202204270146.IRxXM4hU-lkp@intel.com/config) compiler: hppa-linux-gcc (GCC) 11.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bce29ac9ce0bb0b0b146b687ab978378c21e9078 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout bce29ac9ce0bb0b0b146b687ab978378c21e9078 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=parisc SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>) >> kernel/trace/trace_osnoise.c:101:1: sparse: sparse: symbol '__pcpu_scope_per_cpu_osnoise_var' was not declared. Should it be static? kernel/trace/trace_osnoise.c:160:14: sparse: sparse: symbol 'interface_lock' was not declared. Should it be static? kernel/trace/trace_osnoise.c:438:6: sparse: sparse: symbol 'osnoise_trace_irq_entry' was not declared. Should it be static? kernel/trace/trace_osnoise.c:461:6: sparse: sparse: symbol 'osnoise_trace_irq_exit' was not declared. Should it be static? kernel/trace/trace_osnoise.c:520:5: sparse: sparse: symbol 'hook_irq_events' was not declared. Should it be static? kernel/trace/trace_osnoise.c:552:6: sparse: sparse: symbol 'unhook_irq_events' was not declared. Should it be static? kernel/trace/trace_osnoise.c:569:6: sparse: sparse: symbol 'trace_softirq_entry_callback' was not declared. Should it be static? kernel/trace/trace_osnoise.c:592:6: sparse: sparse: symbol 'trace_softirq_exit_callback' was not declared. Should it be static? kernel/trace/trace_osnoise.c:706:1: sparse: sparse: symbol 'trace_sched_switch_callback' was not declared. Should it be static? kernel/trace/trace_osnoise.c:724:5: sparse: sparse: symbol 'hook_thread_events' was not declared. Should it be static? kernel/trace/trace_osnoise.c:741:6: sparse: sparse: symbol 'unhook_thread_events' was not declared. Should it be static? kernel/trace/trace_osnoise.c:753:6: sparse: sparse: symbol 'save_osn_sample_stats' was not declared. Should it be static? kernel/trace/trace_osnoise.c:768:6: sparse: sparse: symbol 'diff_osn_sample_stats' was not declared. Should it be static? kernel/trace/trace_osnoise.c:966:17: sparse: sparse: incompatible types in comparison expression (different signedness): kernel/trace/trace_osnoise.c:966:17: sparse: signed long long * kernel/trace/trace_osnoise.c:966:17: sparse: unsigned long long [usertype] *
vim +/__pcpu_scope_per_cpu_osnoise_var +101 kernel/trace/trace_osnoise.c
85 86 /* 87 * osnoise_register_instance - register a new trace instance 88 * 89 * Register a trace_array *tr in the list of instances running 90 * osnoise/timerlat tracers. 91 */ 92 static int osnoise_register_instance(struct trace_array *tr) 93 { 94 struct osnoise_instance *inst; 95 96 /* 97 * register/unregister serialization is provided by trace's 98 * trace_types_lock. 99 */ 100 lockdep_assert_held(&trace_types_lock); > 101 102 inst = kmalloc(sizeof(*inst), GFP_KERNEL); 103 if (!inst) 104 return -ENOMEM; 105 106 INIT_LIST_HEAD_RCU(&inst->list); 107 inst->tr = tr; 108 list_add_tail_rcu(&inst->list, &osnoise_instances); 109 110 return 0; 111 } 112
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