* [android-common:android15-6.6 0/1] include/linux/tracepoint.h:344:27: error: '__tracepoint_rcu_stall_warning' undeclared here (not in a function); did you mean '__tracepoint_rcu_utilization'?
@ 2026-07-18 5:46 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-07-18 5:46 UTC (permalink / raw)
To: cros-kernel-buildreports; +Cc: oe-kbuild-all
Hi Qinglin,
FYI, the error/warning still remains.
tree: https://android.googlesource.com/kernel/common android15-6.6
head: 501d3d8ac1cdbcaa1ffdd48ab2c2f0e34184e79b
commit: 3750795f060bc2a41c082b911955dbe87e6f678d [0/1] ANDROID: rcu: allow hooks into rcu stall warning
config: i386-randconfig-012-20260716 (https://download.01.org/0day-ci/archive/20260718/202607181332.gWeMA5PX-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.4.0-5) 12.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260718/202607181332.gWeMA5PX-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607181332.gWeMA5PX-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from include/linux/linkage.h:7,
from include/linux/kernel.h:17,
from kernel/rcu/update.c:21:
>> include/linux/tracepoint.h:344:27: error: '__tracepoint_rcu_stall_warning' undeclared here (not in a function); did you mean '__tracepoint_rcu_utilization'?
344 | EXPORT_SYMBOL_GPL(__tracepoint_##name); \
| ^~~~~~~~~~~~~
include/linux/export.h:80:23: note: in definition of macro '__EXPORT_SYMBOL'
80 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:93:41: note: in expansion of macro '_EXPORT_SYMBOL'
93 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
| ^~~~~~~~~~~~~~
include/linux/tracepoint.h:344:9: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
344 | EXPORT_SYMBOL_GPL(__tracepoint_##name); \
| ^~~~~~~~~~~~~~~~~
kernel/rcu/update.c:52:1: note: in expansion of macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
52 | EXPORT_TRACEPOINT_SYMBOL_GPL(rcu_stall_warning);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/tracepoint.h:345:27: error: '__traceiter_rcu_stall_warning' undeclared here (not in a function); did you mean '__tracepoint_rcu_stall_warning'?
345 | EXPORT_SYMBOL_GPL(__traceiter_##name); \
| ^~~~~~~~~~~~
include/linux/export.h:80:23: note: in definition of macro '__EXPORT_SYMBOL'
80 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:93:41: note: in expansion of macro '_EXPORT_SYMBOL'
93 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
| ^~~~~~~~~~~~~~
include/linux/tracepoint.h:345:9: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
345 | EXPORT_SYMBOL_GPL(__traceiter_##name); \
| ^~~~~~~~~~~~~~~~~
kernel/rcu/update.c:52:1: note: in expansion of macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
52 | EXPORT_TRACEPOINT_SYMBOL_GPL(rcu_stall_warning);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/static_call_types.h:9:41: error: '__SCK__tp_func_rcu_stall_warning' undeclared here (not in a function); did you mean '__SCK__tp_func_rcu_utilization'?
9 | #define STATIC_CALL_KEY_PREFIX __SCK__
| ^~~~~~~
include/linux/export.h:80:23: note: in definition of macro '__EXPORT_SYMBOL'
80 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:93:41: note: in expansion of macro '_EXPORT_SYMBOL'
93 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
| ^~~~~~~~~~~~~~
include/linux/static_call.h:277:9: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
277 | EXPORT_SYMBOL_GPL(STATIC_CALL_KEY(name)); \
| ^~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:75:22: note: in expansion of macro '___PASTE'
75 | #define __PASTE(a,b) ___PASTE(a,b)
| ^~~~~~~~
include/linux/static_call_types.h:12:41: note: in expansion of macro '__PASTE'
12 | #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name)
| ^~~~~~~
include/linux/static_call_types.h:12:49: note: in expansion of macro 'STATIC_CALL_KEY_PREFIX'
12 | #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name)
| ^~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:277:27: note: in expansion of macro 'STATIC_CALL_KEY'
277 | EXPORT_SYMBOL_GPL(STATIC_CALL_KEY(name)); \
| ^~~~~~~~~~~~~~~
include/linux/tracepoint.h:346:9: note: in expansion of macro 'EXPORT_STATIC_CALL_GPL'
346 | EXPORT_STATIC_CALL_GPL(tp_func_##name)
| ^~~~~~~~~~~~~~~~~~~~~~
kernel/rcu/update.c:52:1: note: in expansion of macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
52 | EXPORT_TRACEPOINT_SYMBOL_GPL(rcu_stall_warning);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/static_call_types.h:15:41: error: '__SCT__tp_func_rcu_stall_warning' undeclared here (not in a function); did you mean '__SCK__tp_func_rcu_stall_warning'?
15 | #define STATIC_CALL_TRAMP_PREFIX __SCT__
| ^~~~~~~
include/linux/export.h:80:23: note: in definition of macro '__EXPORT_SYMBOL'
80 | extern typeof(sym) sym; \
| ^~~
include/linux/export.h:93:41: note: in expansion of macro '_EXPORT_SYMBOL'
93 | #define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
| ^~~~~~~~~~~~~~
include/linux/static_call.h:278:9: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
278 | EXPORT_SYMBOL_GPL(STATIC_CALL_TRAMP(name))
| ^~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:75:22: note: in expansion of macro '___PASTE'
75 | #define __PASTE(a,b) ___PASTE(a,b)
| ^~~~~~~~
include/linux/static_call_types.h:18:41: note: in expansion of macro '__PASTE'
18 | #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name)
| ^~~~~~~
include/linux/static_call_types.h:18:49: note: in expansion of macro 'STATIC_CALL_TRAMP_PREFIX'
18 | #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name)
| ^~~~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:278:27: note: in expansion of macro 'STATIC_CALL_TRAMP'
278 | EXPORT_SYMBOL_GPL(STATIC_CALL_TRAMP(name))
| ^~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:346:9: note: in expansion of macro 'EXPORT_STATIC_CALL_GPL'
346 | EXPORT_STATIC_CALL_GPL(tp_func_##name)
| ^~~~~~~~~~~~~~~~~~~~~~
kernel/rcu/update.c:52:1: note: in expansion of macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
52 | EXPORT_TRACEPOINT_SYMBOL_GPL(rcu_stall_warning);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +344 include/linux/tracepoint.h
7ece55a4a3a04a Josh Triplett 2012-09-04 239
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 240 /*
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 241 * Make sure the alignment of the structure in the __tracepoints section will
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 242 * not add unwanted padding between the beginning of the section and the
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 243 * structure. Force alignment to the same alignment as the section start.
3a630178fd5f30 Dave Hansen 2014-08-07 244 *
c2679254b9c998 Steven Rostedt (Google 2023-03-10 245) * When lockdep is enabled, we make sure to always test if RCU is
c2679254b9c998 Steven Rostedt (Google 2023-03-10 246) * "watching" regardless if the tracepoint is enabled or not. Tracepoints
c2679254b9c998 Steven Rostedt (Google 2023-03-10 247) * require RCU to be active, and it should always warn at the tracepoint
c2679254b9c998 Steven Rostedt (Google 2023-03-10 248) * site if it is not watching, as it will need to be active when the
c2679254b9c998 Steven Rostedt (Google 2023-03-10 249) * tracepoint is enabled.
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 250 */
1746fd4416ed55 Steven Rostedt (VMware 2021-02-08 251) #define __DECLARE_TRACE(name, proto, args, cond, data_proto) \
de394e7568ce2c peterz@infradead.org 2020-09-08 252 extern int __traceiter_##name(data_proto); \
de394e7568ce2c peterz@infradead.org 2020-09-08 253 DECLARE_STATIC_CALL(tp_func_##name, __traceiter_##name); \
7e066fb870fcd1 Mathieu Desnoyers 2008-11-14 254 extern struct tracepoint __tracepoint_##name; \
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 255 static inline void trace_##name(proto) \
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 256 { \
c5905afb0ee655 Ingo Molnar 2012-02-24 257 if (static_key_false(&__tracepoint_##name.key)) \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 258) __DO_TRACE(name, \
1746fd4416ed55 Steven Rostedt (VMware 2021-02-08 259) TP_ARGS(args), \
d54b6eeb553c89 Steven Rostedt (VMware 2017-04-07 260) TP_CONDITION(cond), 0); \
a05d59a5673339 Steven Rostedt (Red Hat 2015-02-06 261) if (IS_ENABLED(CONFIG_LOCKDEP) && (cond)) { \
c2679254b9c998 Steven Rostedt (Google 2023-03-10 262) WARN_ON_ONCE(!rcu_is_watching()); \
3a630178fd5f30 Dave Hansen 2014-08-07 263 } \
2fbb90db1b8fcc Steven Rostedt 2012-02-07 264 } \
7ece55a4a3a04a Josh Triplett 2012-09-04 265 __DECLARE_TRACE_RCU(name, PARAMS(proto), PARAMS(args), \
1746fd4416ed55 Steven Rostedt (VMware 2021-02-08 266) PARAMS(cond)) \
38516ab59fbc5b Steven Rostedt 2010-04-20 267 static inline int \
38516ab59fbc5b Steven Rostedt 2010-04-20 268 register_trace_##name(void (*probe)(data_proto), void *data) \
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 269 { \
de7b2973903c6c Mathieu Desnoyers 2014-04-08 270 return tracepoint_probe_register(&__tracepoint_##name, \
de7b2973903c6c Mathieu Desnoyers 2014-04-08 271 (void *)probe, data); \
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 272 } \
38516ab59fbc5b Steven Rostedt 2010-04-20 273 static inline int \
7904b5c4988e18 Steven Rostedt (Red Hat 2015-09-22 274) register_trace_prio_##name(void (*probe)(data_proto), void *data,\
7904b5c4988e18 Steven Rostedt (Red Hat 2015-09-22 275) int prio) \
7904b5c4988e18 Steven Rostedt (Red Hat 2015-09-22 276) { \
7904b5c4988e18 Steven Rostedt (Red Hat 2015-09-22 277) return tracepoint_probe_register_prio(&__tracepoint_##name, \
7904b5c4988e18 Steven Rostedt (Red Hat 2015-09-22 278) (void *)probe, data, prio); \
7904b5c4988e18 Steven Rostedt (Red Hat 2015-09-22 279) } \
7904b5c4988e18 Steven Rostedt (Red Hat 2015-09-22 280) static inline int \
38516ab59fbc5b Steven Rostedt 2010-04-20 281 unregister_trace_##name(void (*probe)(data_proto), void *data) \
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 282 { \
de7b2973903c6c Mathieu Desnoyers 2014-04-08 283 return tracepoint_probe_unregister(&__tracepoint_##name,\
de7b2973903c6c Mathieu Desnoyers 2014-04-08 284 (void *)probe, data); \
53da59aa6dd881 Mathieu Desnoyers 2010-04-30 285 } \
38516ab59fbc5b Steven Rostedt 2010-04-20 286 static inline void \
38516ab59fbc5b Steven Rostedt 2010-04-20 287 check_trace_callback_type_##name(void (*cb)(data_proto)) \
53da59aa6dd881 Mathieu Desnoyers 2010-04-30 288 { \
7c65bbc7dcface Steven Rostedt (Red Hat 2014-05-06 289) } \
7c65bbc7dcface Steven Rostedt (Red Hat 2014-05-06 290) static inline bool \
7c65bbc7dcface Steven Rostedt (Red Hat 2014-05-06 291) trace_##name##_enabled(void) \
7c65bbc7dcface Steven Rostedt (Red Hat 2014-05-06 292) { \
7c65bbc7dcface Steven Rostedt (Red Hat 2014-05-06 293) return static_key_false(&__tracepoint_##name.key); \
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 294 }
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 295
654986462939cd Mathieu Desnoyers 2011-01-26 296 /*
654986462939cd Mathieu Desnoyers 2011-01-26 297 * We have no guarantee that gcc and the linker won't up-align the tracepoint
654986462939cd Mathieu Desnoyers 2011-01-26 298 * structures, so we create an array of pointers that will be used for iteration
654986462939cd Mathieu Desnoyers 2011-01-26 299 * on the tracepoints.
654986462939cd Mathieu Desnoyers 2011-01-26 300 */
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 301) #define DEFINE_TRACE_FN(_name, _reg, _unreg, proto, args) \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 302) static const char __tpstrtab_##_name[] \
33def8498fdde1 Joe Perches 2020-10-21 303 __section("__tracepoints_strings") = #_name; \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 304) extern struct static_call_key STATIC_CALL_KEY(tp_func_##_name); \
de394e7568ce2c peterz@infradead.org 2020-09-08 305 int __traceiter_##_name(void *__data, proto); \
e2d0d7b2f42dca Masami Hiramatsu (Google 2023-06-06 306) void __probestub_##_name(void *__data, proto); \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 307) struct tracepoint __tracepoint_##_name __used \
33def8498fdde1 Joe Perches 2020-10-21 308 __section("__tracepoints") = { \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 309) .name = __tpstrtab_##_name, \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 310) .key = STATIC_KEY_INIT_FALSE, \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 311) .static_call_key = &STATIC_CALL_KEY(tp_func_##_name), \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 312) .static_call_tramp = STATIC_CALL_TRAMP_ADDR(tp_func_##_name), \
de394e7568ce2c peterz@infradead.org 2020-09-08 313 .iterator = &__traceiter_##_name, \
e2d0d7b2f42dca Masami Hiramatsu (Google 2023-06-06 314) .probestub = &__probestub_##_name, \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 315) .regfunc = _reg, \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 316) .unregfunc = _unreg, \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 317) .funcs = NULL }; \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 318) __TRACEPOINT_ENTRY(_name); \
de394e7568ce2c peterz@infradead.org 2020-09-08 319 int __traceiter_##_name(void *__data, proto) \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 320) { \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 321) struct tracepoint_func *it_func_ptr; \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 322) void *it_func; \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 323) \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 324) it_func_ptr = \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 325) rcu_dereference_raw((&__tracepoint_##_name)->funcs); \
c8b186a8d54d7e Alexey Kardashevskiy 2021-02-02 326 if (it_func_ptr) { \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 327) do { \
7211f0a25781ac Steven Rostedt (VMware 2021-02-04 328) it_func = READ_ONCE((it_func_ptr)->func); \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 329) __data = (it_func_ptr)->data; \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 330) ((void(*)(void *, proto))(it_func))(__data, args); \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 331) } while ((++it_func_ptr)->func); \
c8b186a8d54d7e Alexey Kardashevskiy 2021-02-02 332 } \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 333) return 0; \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 334) } \
e2d0d7b2f42dca Masami Hiramatsu (Google 2023-06-06 335) void __probestub_##_name(void *__data, proto) \
e2d0d7b2f42dca Masami Hiramatsu (Google 2023-06-06 336) { \
e2d0d7b2f42dca Masami Hiramatsu (Google 2023-06-06 337) } \
de394e7568ce2c peterz@infradead.org 2020-09-08 338 DEFINE_STATIC_CALL(tp_func_##_name, __traceiter_##_name);
97419875865859 Josh Stone 2009-08-24 339
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 340) #define DEFINE_TRACE(name, proto, args) \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 341) DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args));
7e066fb870fcd1 Mathieu Desnoyers 2008-11-14 342
7e066fb870fcd1 Mathieu Desnoyers 2008-11-14 343 #define EXPORT_TRACEPOINT_SYMBOL_GPL(name) \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 @344) EXPORT_SYMBOL_GPL(__tracepoint_##name); \
de394e7568ce2c peterz@infradead.org 2020-09-08 @345 EXPORT_SYMBOL_GPL(__traceiter_##name); \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 346) EXPORT_STATIC_CALL_GPL(tp_func_##name)
7e066fb870fcd1 Mathieu Desnoyers 2008-11-14 347 #define EXPORT_TRACEPOINT_SYMBOL(name) \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 348) EXPORT_SYMBOL(__tracepoint_##name); \
de394e7568ce2c peterz@infradead.org 2020-09-08 349 EXPORT_SYMBOL(__traceiter_##name); \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 350) EXPORT_STATIC_CALL(tp_func_##name)
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 351)
7e066fb870fcd1 Mathieu Desnoyers 2008-11-14 352
:::::: The code at line 344 was first introduced by commit
:::::: d25e37d89dd2f41d7acae0429039d2f0ae8b4a07 tracepoint: Optimize using static_call()
:::::: TO: Steven Rostedt (VMware) <rostedt@goodmis.org>
:::::: CC: Ingo Molnar <mingo@kernel.org>
--
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https://github.com/intel/lkp-tests/wiki
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2026-07-18 5:46 [android-common:android15-6.6 0/1] include/linux/tracepoint.h:344:27: error: '__tracepoint_rcu_stall_warning' undeclared here (not in a function); did you mean '__tracepoint_rcu_utilization'? kernel test robot
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