From: kernel test robot <lkp@intel.com>
To: Daniel Bristot de Oliveira <bristot@redhat.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
"Steven Rostedt (VMware)" <rostedt@goodmis.org>
Subject: kernel/trace/trace_osnoise.c:131:1: sparse: sparse: symbol '__pcpu_scope_per_cpu_timerlat_var' was not declared. Should it be static?
Date: Wed, 27 Apr 2022 05:08:28 +0800 [thread overview]
Message-ID: <202204270534.hS2vHyWX-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: cf424ef014ac30b0da27125dd1fbdf10b0d3a520
commit: a955d7eac1779b437ceb24fc352026a2cbcec140 trace: Add timerlat tracer
date: 10 months ago
config: parisc-randconfig-s031-20220425 (https://download.01.org/0day-ci/archive/20220427/202204270534.hS2vHyWX-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=a955d7eac1779b437ceb24fc352026a2cbcec140
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout a955d7eac1779b437ceb24fc352026a2cbcec140
# 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:108:1: sparse: sparse: symbol '__pcpu_scope_per_cpu_osnoise_var' was not declared. Should it be static?
>> kernel/trace/trace_osnoise.c:131:1: sparse: sparse: symbol '__pcpu_scope_per_cpu_timerlat_var' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:223:14: sparse: sparse: symbol 'interface_lock' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:657:6: sparse: sparse: symbol 'osnoise_trace_irq_entry' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:680:6: sparse: sparse: symbol 'osnoise_trace_irq_exit' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:739:5: sparse: sparse: symbol 'hook_irq_events' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:771:6: sparse: sparse: symbol 'unhook_irq_events' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:788:6: sparse: sparse: symbol 'trace_softirq_entry_callback' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:811:6: sparse: sparse: symbol 'trace_softirq_exit_callback' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:953:1: sparse: sparse: symbol 'trace_sched_switch_callback' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:971:5: sparse: sparse: symbol 'hook_thread_events' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:988:6: sparse: sparse: symbol 'unhook_thread_events' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:1000:6: sparse: sparse: symbol 'save_osn_sample_stats' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:1015:6: sparse: sparse: symbol 'diff_osn_sample_stats' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:1213:17: sparse: sparse: incompatible types in comparison expression (different signedness):
kernel/trace/trace_osnoise.c:1213:17: sparse: signed long long *
kernel/trace/trace_osnoise.c:1213:17: sparse: unsigned long long [usertype] *
kernel/trace/trace_osnoise.c:1657:5: sparse: sparse: symbol 'timerlat_min_period' was not declared. Should it be static?
kernel/trace/trace_osnoise.c:1658:5: sparse: sparse: symbol 'timerlat_max_period' was not declared. Should it be static?
vim +/__pcpu_scope_per_cpu_timerlat_var +131 kernel/trace/trace_osnoise.c
112
113 /*
114 * osnoise_unregister_instance - unregister a registered trace instance
115 *
116 * Remove the trace_array *tr from the list of instances running
117 * osnoise/timerlat tracers.
118 */
119 static void osnoise_unregister_instance(struct trace_array *tr)
120 {
121 struct osnoise_instance *inst;
122 int found = 0;
123
124 /*
125 * register/unregister serialization is provided by trace's
126 * trace_types_lock.
127 */
128 lockdep_assert_held(&trace_types_lock);
129
130 list_for_each_entry_rcu(inst, &osnoise_instances, list) {
> 131 if (inst->tr == tr) {
132 list_del_rcu(&inst->list);
133 found = 1;
134 break;
135 }
136 }
137
138 if (!found)
139 return;
140
141 kvfree_rcu(inst);
142 }
143
--
0-DAY CI Kernel Test Service
https://01.org/lkp
next reply other threads:[~2022-04-26 21:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-26 21:08 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-07-12 4:38 kernel/trace/trace_osnoise.c:131:1: sparse: sparse: symbol '__pcpu_scope_per_cpu_timerlat_var' was not declared. Should it be static? kernel test robot
2021-11-26 18:01 kernel test robot
2021-11-26 18:01 ` kernel test robot
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