tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/static_call head: 814cfbceba54e980b1f949a13d04b1909bbe80da commit: 742ae762f81fd75c8bbcbfb3a807502aabd75291 [29/34] tracepoints: Use static_call config: i386-defconfig (attached as .config) compiler: gcc-7 (Debian 7.4.0-13) 7.4.0 reproduce: git checkout 742ae762f81fd75c8bbcbfb3a807502aabd75291 # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All error/warnings (new ones prefixed by >>): In file included from sound/hda/trace.h:8:0, from sound/hda/trace.c:6: STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ TRACE_EVENT(hda_send_cmd, ^~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ TRACE_EVENT(hda_send_cmd, ^~~~~~~~~~~ include/linux/tracepoint.h:292:5: note: (near initialization for '__tracepoint_hda_send_cmd.static_call_tramp') STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ TRACE_EVENT(hda_send_cmd, ^~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ TRACE_EVENT(hda_send_cmd, ^~~~~~~~~~~ include/linux/tracepoint.h:292:5: note: (near initialization for '__tracepoint_hda_send_cmd.static_call_tramp') STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ TRACE_EVENT(hda_send_cmd, ^~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ -- In file included from sound/pci/hda/hda_controller_trace.h:9:0, from sound/pci/hda/hda_controller.c:30: STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ TRACE_EVENT(azx_pcm_trigger, ^~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ TRACE_EVENT(azx_pcm_trigger, ^~~~~~~~~~~ include/linux/tracepoint.h:292:5: note: (near initialization for '__tracepoint_azx_pcm_trigger.static_call_tramp') STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ TRACE_EVENT(azx_pcm_trigger, ^~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ TRACE_EVENT(azx_pcm_trigger, ^~~~~~~~~~~ include/linux/tracepoint.h:292:5: note: (near initialization for '__tracepoint_azx_pcm_trigger.static_call_tramp') STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ TRACE_EVENT(azx_pcm_trigger, ^~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ -- In file included from sound/pci/hda/hda_intel_trace.h:9:0, from sound/pci/hda/hda_intel.c:58: STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ include/trace/define_trace.h:57:2: note: in expansion of macro 'DEFINE_TRACE' DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ DEFINE_EVENT(hda_pm, azx_suspend, ^~~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ include/trace/define_trace.h:57:2: note: in expansion of macro 'DEFINE_TRACE' DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ DEFINE_EVENT(hda_pm, azx_suspend, ^~~~~~~~~~~~ include/linux/tracepoint.h:292:5: note: (near initialization for '__tracepoint_azx_suspend.static_call_tramp') STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ include/trace/define_trace.h:57:2: note: in expansion of macro 'DEFINE_TRACE' DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ DEFINE_EVENT(hda_pm, azx_suspend, ^~~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ include/trace/define_trace.h:57:2: note: in expansion of macro 'DEFINE_TRACE' DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ DEFINE_EVENT(hda_pm, azx_suspend, ^~~~~~~~~~~~ include/linux/tracepoint.h:292:5: note: (near initialization for '__tracepoint_azx_suspend.static_call_tramp') STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ include/trace/define_trace.h:57:2: note: in expansion of macro 'DEFINE_TRACE' DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ DEFINE_EVENT(hda_pm, azx_suspend, ^~~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ include/trace/define_trace.h:57:2: note: in expansion of macro 'DEFINE_TRACE' DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ sound/pci/hda/./hda_intel_trace.h:32:1: note: in expansion of macro 'DEFINE_EVENT' DEFINE_EVENT(hda_pm, azx_resume, ^~~~~~~~~~~~ include/linux/tracepoint.h:292:5: note: (near initialization for '__tracepoint_azx_resume.static_call_tramp') STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ include/trace/define_trace.h:57:2: note: in expansion of macro 'DEFINE_TRACE' DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ sound/pci/hda/./hda_intel_trace.h:32:1: note: in expansion of macro 'DEFINE_EVENT' DEFINE_EVENT(hda_pm, azx_resume, ^~~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ include/trace/define_trace.h:57:2: note: in expansion of macro 'DEFINE_TRACE' DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ sound/pci/hda/./hda_intel_trace.h:32:1: note: in expansion of macro 'DEFINE_EVENT' DEFINE_EVENT(hda_pm, azx_resume, ^~~~~~~~~~~~ include/linux/tracepoint.h:292:5: note: (near initialization for '__tracepoint_azx_resume.static_call_tramp') STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args)); ^~~~~~~~~~~~~~~ include/trace/define_trace.h:57:2: note: in expansion of macro 'DEFINE_TRACE' DEFINE_TRACE(name, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~ sound/pci/hda/./hda_intel_trace.h:32:1: note: in expansion of macro 'DEFINE_EVENT' DEFINE_EVENT(hda_pm, azx_resume, ^~~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ -- In file included from include/trace/syscall.h:5:0, from include/linux/syscalls.h:85, from arch/x86//entry/common.c:27: STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, reg, unreg, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~ TRACE_EVENT_FN(sys_enter, ^~~~~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, reg, unreg, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~ TRACE_EVENT_FN(sys_enter, ^~~~~~~~~~~~~~ include/linux/tracepoint.h:292:5: note: (near initialization for '__tracepoint_sys_enter.static_call_tramp') STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, reg, unreg, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~ TRACE_EVENT_FN(sys_enter, ^~~~~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, reg, unreg, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~ TRACE_EVENT_FN(sys_enter, ^~~~~~~~~~~~~~ include/linux/tracepoint.h:292:5: note: (near initialization for '__tracepoint_sys_enter.static_call_tramp') STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, reg, unreg, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~ TRACE_EVENT_FN(sys_enter, ^~~~~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, reg, unreg, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~ include/trace/events/syscalls.h:44:1: note: in expansion of macro 'TRACE_EVENT_FN' TRACE_EVENT_FN(sys_exit, ^~~~~~~~~~~~~~ include/linux/tracepoint.h:292:5: note: (near initialization for '__tracepoint_sys_exit.static_call_tramp') STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, reg, unreg, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~ include/trace/events/syscalls.h:44:1: note: in expansion of macro 'TRACE_EVENT_FN' TRACE_EVENT_FN(sys_exit, ^~~~~~~~~~~~~~ STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, reg, unreg, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~ include/trace/events/syscalls.h:44:1: note: in expansion of macro 'TRACE_EVENT_FN' TRACE_EVENT_FN(sys_exit, ^~~~~~~~~~~~~~ include/linux/tracepoint.h:292:5: note: (near initialization for '__tracepoint_sys_exit.static_call_tramp') STATIC_CALL_TRAMP_ADDR(tp_func_##name), \ ^ DEFINE_TRACE_FN(name, reg, unreg, PARAMS(proto), PARAMS(args)) ^~~~~~~~~~~~~~~ include/trace/events/syscalls.h:44:1: note: in expansion of macro 'TRACE_EVENT_FN' TRACE_EVENT_FN(sys_exit, ^~~~~~~~~~~~~~ cc1: some warnings being treated as errors .. vim +292 include/linux/tracepoint.h 217 218 /* 219 * Make sure the alignment of the structure in the __tracepoints section will 220 * not add unwanted padding between the beginning of the section and the 221 * structure. Force alignment to the same alignment as the section start. 222 * 223 * When lockdep is enabled, we make sure to always do the RCU portions of 224 * the tracepoint code, regardless of whether tracing is on. However, 225 * don't check if the condition is false, due to interaction with idle 226 * instrumentation. This lets us find RCU issues triggered with tracepoints 227 * even when this tracepoint is off. This code has no purpose other than 228 * poking RCU a bit. 229 */ 230 #define __DECLARE_TRACE(name, proto, args, cond, data_proto, data_args) \ 231 extern int __tracepoint_iter_##name(data_proto); \ 232 DECLARE_STATIC_CALL(tp_func_##name, __tracepoint_iter_##name); \ 233 extern struct tracepoint __tracepoint_##name; \ 234 static inline void trace_##name(proto) \ 235 { \ 236 if (static_key_false(&__tracepoint_##name.key)) \ 237 __DO_TRACE(name, \ 238 TP_PROTO(data_proto), \ 239 TP_ARGS(data_args), \ 240 TP_CONDITION(cond), 0); \ 241 if (IS_ENABLED(CONFIG_LOCKDEP) && (cond)) { \ 242 rcu_read_lock_sched_notrace(); \ 243 rcu_dereference_sched(__tracepoint_##name.funcs);\ 244 rcu_read_unlock_sched_notrace(); \ 245 } \ 246 } \ 247 __DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \ 248 PARAMS(cond), PARAMS(data_proto), PARAMS(data_args)) \ 249 static inline int \ 250 register_trace_##name(void (*probe)(data_proto), void *data) \ 251 { \ 252 return tracepoint_probe_register(&__tracepoint_##name, \ 253 (void *)probe, data); \ 254 } \ 255 static inline int \ 256 register_trace_prio_##name(void (*probe)(data_proto), void *data,\ 257 int prio) \ 258 { \ 259 return tracepoint_probe_register_prio(&__tracepoint_##name, \ 260 (void *)probe, data, prio); \ 261 } \ 262 static inline int \ 263 unregister_trace_##name(void (*probe)(data_proto), void *data) \ 264 { \ 265 return tracepoint_probe_unregister(&__tracepoint_##name,\ 266 (void *)probe, data); \ 267 } \ 268 static inline void \ 269 check_trace_callback_type_##name(void (*cb)(data_proto)) \ 270 { \ 271 } \ 272 static inline bool \ 273 trace_##name##_enabled(void) \ 274 { \ 275 return static_key_false(&__tracepoint_##name.key); \ 276 } 277 278 /* 279 * We have no guarantee that gcc and the linker won't up-align the tracepoint 280 * structures, so we create an array of pointers that will be used for iteration 281 * on the tracepoints. 282 */ 283 #define DEFINE_TRACE_FN(name, reg, unreg, proto, args) \ 284 static const char __tpstrtab_##name[] \ 285 __attribute__((section("__tracepoints_strings"))) = #name; \ 286 extern struct static_call_key tp_func_##name; \ 287 int __tracepoint_iter_##name(void *__data, proto); \ 288 struct tracepoint __tracepoint_##name \ 289 __attribute__((section("__tracepoints"), used)) = \ 290 { __tpstrtab_##name, STATIC_KEY_INIT_FALSE, \ 291 &STATIC_CALL_NAME(tp_func_##name), \ 293 &__tracepoint_iter_##name, \ 294 reg, unreg, NULL }; \ 295 __TRACEPOINT_ENTRY(name); \ 296 int __tracepoint_iter_##name(void *__data, proto) \ 297 { \ 298 struct tracepoint_func *it_func_ptr; \ 299 void *it_func; \ 300 \ 301 it_func_ptr = \ 302 rcu_dereference_raw((&__tracepoint_##name)->funcs); \ 303 do { \ 304 it_func = (it_func_ptr)->func; \ 305 __data = (it_func_ptr)->data; \ 306 ((void(*)(void *, proto))(it_func))(__data, args); \ 307 } while ((++it_func_ptr)->func); \ 308 return 0; \ 309 } \ 310 DEFINE_STATIC_CALL(tp_func_##name, __tracepoint_iter_##name); 311 312 #define DEFINE_TRACE(name, proto, args) \ 314 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation