tree: https://android.googlesource.com/kernel/common android-4.4-p head: 766d0c0c6c388ec3833caf9c47e9f3f50230cdc3 commit: 766d0c0c6c388ec3833caf9c47e9f3f50230cdc3 [1/1] ANDROID: cpufreq: times: add /proc/uid_concurrent_{active,policy}_time config: i386-randconfig-s002-20200710 (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-37-gc9676a3b-dirty git checkout 766d0c0c6c388ec3833caf9c47e9f3f50230cdc3 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/cpufreq/cpufreq_times.c:30:1: sparse: sparse: symbol 'uid_hash_table' was not declared. Should it be static? drivers/cpufreq/cpufreq_times.c:265:48: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected char delimiter @@ got char * @@ drivers/cpufreq/cpufreq_times.c:265:48: sparse: expected char delimiter drivers/cpufreq/cpufreq_times.c:265:48: sparse: got char * drivers/cpufreq/cpufreq_times.c:283:40: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected char delimiter @@ got char * @@ drivers/cpufreq/cpufreq_times.c:283:40: sparse: expected char delimiter drivers/cpufreq/cpufreq_times.c:283:40: sparse: got char * drivers/cpufreq/cpufreq_times.c:309:64: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected char delimiter @@ got char * @@ drivers/cpufreq/cpufreq_times.c:309:64: sparse: expected char delimiter drivers/cpufreq/cpufreq_times.c:309:64: sparse: got char * drivers/cpufreq/cpufreq_times.c:313:56: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected char delimiter @@ got char * @@ drivers/cpufreq/cpufreq_times.c:313:56: sparse: expected char delimiter drivers/cpufreq/cpufreq_times.c:313:56: sparse: got char * drivers/cpufreq/cpufreq_times.c:320:48: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected char delimiter @@ got char * @@ drivers/cpufreq/cpufreq_times.c:320:48: sparse: expected char delimiter drivers/cpufreq/cpufreq_times.c:320:48: sparse: got char * drivers/cpufreq/cpufreq_times.c:406:35: sparse: sparse: implicit cast to nocast type drivers/cpufreq/cpufreq_times.c:409:59: sparse: sparse: implicit cast to nocast type drivers/cpufreq/cpufreq_times.c:439:44: sparse: sparse: implicit cast from nocast type drivers/cpufreq/cpufreq_times.c:445:52: sparse: sparse: implicit cast from nocast type drivers/cpufreq/cpufreq_times.c:459:22: sparse: sparse: implicit cast from nocast type drivers/cpufreq/cpufreq_times.c:479:22: sparse: sparse: implicit cast from nocast type drivers/cpufreq/cpufreq_times.c:265:48: sparse: sparse: non size-preserving pointer to integer cast drivers/cpufreq/cpufreq_times.c:283:40: sparse: sparse: non size-preserving pointer to integer cast drivers/cpufreq/cpufreq_times.c:309:64: sparse: sparse: non size-preserving pointer to integer cast drivers/cpufreq/cpufreq_times.c:313:56: sparse: sparse: non size-preserving pointer to integer cast drivers/cpufreq/cpufreq_times.c:320:48: sparse: sparse: non size-preserving pointer to integer cast In file included from drivers/cpufreq/cpufreq_times.c:22:0: include/linux/sched.h:1211:1: warning: type qualifiers ignored on function return type [-Wignored-qualifiers] const struct sched_group_energy * const(*sched_domain_energy_f)(int cpu); ^~~~~ drivers/cpufreq/cpufreq_times.c: In function 'concurrent_time_seq_show': drivers/cpufreq/cpufreq_times.c:259:26: warning: passing argument 2 of 'seq_put_decimal_ull' makes integer from pointer without a cast [-Wint-conversion] seq_put_decimal_ull(m, "", (u64)uid_entry->uid); ^~ In file included from drivers/cpufreq/cpufreq_times.c:23:0: include/linux/seq_file.h:120:6: note: expected 'char' but argument is of type 'char *' void seq_put_decimal_ull(struct seq_file *m, char delimiter, ^~~~~~~~~~~~~~~~~~~ drivers/cpufreq/cpufreq_times.c:265:27: warning: passing argument 2 of 'seq_put_decimal_ull' makes integer from pointer without a cast [-Wint-conversion] seq_put_decimal_ull(m, " ", time); ^~~ In file included from drivers/cpufreq/cpufreq_times.c:23:0: include/linux/seq_file.h:120:6: note: expected 'char' but argument is of type 'char *' void seq_put_decimal_ull(struct seq_file *m, char delimiter, ^~~~~~~~~~~~~~~~~~~ drivers/cpufreq/cpufreq_times.c: In function 'concurrent_active_time_seq_show': drivers/cpufreq/cpufreq_times.c:283:26: warning: passing argument 2 of 'seq_put_decimal_ull' makes integer from pointer without a cast [-Wint-conversion] seq_put_decimal_ull(m, "cpus: ", num_possible_cpus()); ^~~~~~~~ In file included from drivers/cpufreq/cpufreq_times.c:23:0: include/linux/seq_file.h:120:6: note: expected 'char' but argument is of type 'char *' void seq_put_decimal_ull(struct seq_file *m, char delimiter, ^~~~~~~~~~~~~~~~~~~ drivers/cpufreq/cpufreq_times.c: In function 'concurrent_policy_time_seq_show': drivers/cpufreq/cpufreq_times.c:309:29: warning: passing argument 2 of 'seq_put_decimal_ull' makes integer from pointer without a cast [-Wint-conversion] seq_put_decimal_ull(m, ": ", cnt); ^~~~ In file included from drivers/cpufreq/cpufreq_times.c:23:0: include/linux/seq_file.h:120:6: note: expected 'char' but argument is of type 'char *' void seq_put_decimal_ull(struct seq_file *m, char delimiter, ^~~~~~~~~~~~~~~~~~~ drivers/cpufreq/cpufreq_times.c:313:28: warning: passing argument 2 of 'seq_put_decimal_ull' makes integer from pointer without a cast [-Wint-conversion] seq_put_decimal_ull(m, "policy", i); ^~~~~~~~ In file included from drivers/cpufreq/cpufreq_times.c:23:0: include/linux/seq_file.h:120:6: note: expected 'char' but argument is of type 'char *' void seq_put_decimal_ull(struct seq_file *m, char delimiter, ^~~~~~~~~~~~~~~~~~~ drivers/cpufreq/cpufreq_times.c:320:27: warning: passing argument 2 of 'seq_put_decimal_ull' makes integer from pointer without a cast [-Wint-conversion] seq_put_decimal_ull(m, ": ", cnt); ^~~~ In file included from drivers/cpufreq/cpufreq_times.c:23:0: include/linux/seq_file.h:120:6: note: expected 'char' but argument is of type 'char *' void seq_put_decimal_ull(struct seq_file *m, char delimiter, ^~~~~~~~~~~~~~~~~~~ vim +259 drivers/cpufreq/cpufreq_times.c 247 248 static int concurrent_time_seq_show(struct seq_file *m, void *v, 249 atomic64_t *(*get_times)(struct concurrent_times *)) 250 { 251 struct uid_entry *uid_entry; 252 int i, num_possible_cpus = num_possible_cpus(); 253 254 rcu_read_lock(); 255 256 hlist_for_each_entry_rcu(uid_entry, (struct hlist_head *)v, hash) { 257 atomic64_t *times = get_times(uid_entry->concurrent_times); 258 260 seq_putc(m, ':'); 261 262 for (i = 0; i < num_possible_cpus; ++i) { 263 u64 time = cputime_to_clock_t(atomic64_read(&times[i])); 264 265 seq_put_decimal_ull(m, " ", time); 266 } 267 seq_putc(m, '\n'); 268 } 269 270 rcu_read_unlock(); 271 272 return 0; 273 } 274 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org