* [android-common:android14-5.15 10/10] kernel/rcu/update.c:52:1: error: use of undeclared identifier '__tracepoint_rcu_stall_warning'; did you mean '__tracepoint_rcu_utilization'?
@ 2026-07-08 23:14 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-07-08 23:14 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 android14-5.15
head: 810dd01a31df33d13d6ca0e223841a64968adfb1
commit: d35bd9468fc35137ce63aff26dcb4bb3856d1657 [10/10] ANDROID: rcu: allow hooks into rcu stall warning
config: x86_64-buildonly-randconfig-001-20260708 (https://download.01.org/0day-ci/archive/20260709/202607090753.CaGOW0Vd-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project c279890c85da307abe34f10333442bbf72a60644)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260709/202607090753.CaGOW0Vd-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/202607090753.CaGOW0Vd-lkp@intel.com/
All errors (new ones prefixed by >>):
>> kernel/rcu/update.c:52:1: error: use of undeclared identifier '__tracepoint_rcu_stall_warning'; did you mean '__tracepoint_rcu_utilization'?
52 | EXPORT_TRACEPOINT_SYMBOL_GPL(rcu_stall_warning);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:328:20: note: expanded from macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
328 | EXPORT_SYMBOL_GPL(__tracepoint_##name); \
| ^~~~~~~~~~~~~~~~~~~
<scratch space>:91:1: note: expanded from here
91 | __tracepoint_rcu_stall_warning
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/trace/events/rcu.h:27:1: note: '__tracepoint_rcu_utilization' declared here
27 | TRACE_EVENT(rcu_utilization,
| ^
include/trace/define_trace.h:28:2: note: expanded from macro 'TRACE_EVENT'
28 | DEFINE_TRACE(name, PARAMS(proto), PARAMS(args))
| ^
include/linux/tracepoint.h:325:2: note: expanded from macro 'DEFINE_TRACE'
325 | DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args));
| ^
include/linux/tracepoint.h:295:20: note: expanded from macro 'DEFINE_TRACE_FN'
295 | struct tracepoint __tracepoint_##_name __used \
| ^
<scratch space>:7:1: note: expanded from here
7 | __tracepoint_rcu_utilization
| ^
>> kernel/rcu/update.c:52:1: error: use of undeclared identifier '__traceiter_rcu_stall_warning'; did you mean '__tracepoint_rcu_stall_warning'?
52 | EXPORT_TRACEPOINT_SYMBOL_GPL(rcu_stall_warning);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:329:20: note: expanded from macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
329 | EXPORT_SYMBOL_GPL(__traceiter_##name); \
| ^~~~~~~~~~~~~~~~~~
<scratch space>:109:1: note: expanded from here
109 | __traceiter_rcu_stall_warning
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/rcu/update.c:52:1: note: '__tracepoint_rcu_stall_warning' declared here
include/linux/tracepoint.h:328:20: note: expanded from macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
328 | EXPORT_SYMBOL_GPL(__tracepoint_##name); \
| ^
<scratch space>:91:1: note: expanded from here
91 | __tracepoint_rcu_stall_warning
| ^
>> kernel/rcu/update.c:52:1: error: use of undeclared identifier '__SCK__tp_func_rcu_stall_warning'; did you mean '__SCK__tp_func_rcu_utilization'?
52 | EXPORT_TRACEPOINT_SYMBOL_GPL(rcu_stall_warning);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:330:2: note: expanded from macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
330 | EXPORT_STATIC_CALL_GPL(tp_func_##name)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:207:20: note: expanded from macro 'EXPORT_STATIC_CALL_GPL'
207 | EXPORT_SYMBOL_GPL(STATIC_CALL_KEY(name)); \
| ^~~~~~~~~~~~~~~~~~~~~
include/linux/static_call_types.h:12:32: note: expanded from macro 'STATIC_CALL_KEY'
12 | #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE'
60 | #define __PASTE(a,b) ___PASTE(a,b)
| ^~~~~~~~~~~~~
include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE'
59 | #define ___PASTE(a,b) a##b
| ^~~~
<scratch space>:128:1: note: expanded from here
128 | __SCK__tp_func_rcu_stall_warning
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/trace/events/rcu.h:27:1: note: '__SCK__tp_func_rcu_utilization' declared here
27 | TRACE_EVENT(rcu_utilization,
| ^
include/trace/define_trace.h:28:2: note: expanded from macro 'TRACE_EVENT'
28 | DEFINE_TRACE(name, PARAMS(proto), PARAMS(args))
| ^
include/linux/tracepoint.h:325:2: note: expanded from macro 'DEFINE_TRACE'
325 | DEFINE_TRACE_FN(name, NULL, NULL, PARAMS(proto), PARAMS(args));
| ^
include/linux/tracepoint.h:322:2: note: expanded from macro 'DEFINE_TRACE_FN'
322 | DEFINE_STATIC_CALL(tp_func_##_name, __traceiter_##_name);
| ^
note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE'
60 | #define __PASTE(a,b) ___PASTE(a,b)
| ^
include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE'
59 | #define ___PASTE(a,b) a##b
| ^
<scratch space>:27:1: note: expanded from here
27 | __SCK__tp_func_rcu_utilization
| ^
>> kernel/rcu/update.c:52:1: error: use of undeclared identifier '__SCT__tp_func_rcu_stall_warning'; did you mean '__SCK__tp_func_rcu_stall_warning'?
52 | EXPORT_TRACEPOINT_SYMBOL_GPL(rcu_stall_warning);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/tracepoint.h:330:2: note: expanded from macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
330 | EXPORT_STATIC_CALL_GPL(tp_func_##name)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:208:20: note: expanded from macro 'EXPORT_STATIC_CALL_GPL'
208 | EXPORT_SYMBOL_GPL(STATIC_CALL_TRAMP(name))
| ^~~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call_types.h:18:34: note: expanded from macro 'STATIC_CALL_TRAMP'
18 | #define STATIC_CALL_TRAMP(name) __PASTE(STATIC_CALL_TRAMP_PREFIX, name)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE'
60 | #define __PASTE(a,b) ___PASTE(a,b)
| ^~~~~~~~~~~~~
include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE'
59 | #define ___PASTE(a,b) a##b
| ^~~~
<scratch space>:9:1: note: expanded from here
9 | __SCT__tp_func_rcu_stall_warning
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/rcu/update.c:52:1: note: '__SCK__tp_func_rcu_stall_warning' declared here
include/linux/tracepoint.h:330:2: note: expanded from macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
330 | EXPORT_STATIC_CALL_GPL(tp_func_##name)
| ^
include/linux/static_call.h:207:20: note: expanded from macro 'EXPORT_STATIC_CALL_GPL'
207 | EXPORT_SYMBOL_GPL(STATIC_CALL_KEY(name)); \
| ^
include/linux/static_call_types.h:12:32: note: expanded from macro 'STATIC_CALL_KEY'
12 | #define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name)
| ^
include/linux/compiler_types.h:60:22: note: expanded from macro '__PASTE'
60 | #define __PASTE(a,b) ___PASTE(a,b)
| ^
include/linux/compiler_types.h:59:23: note: expanded from macro '___PASTE'
59 | #define ___PASTE(a,b) a##b
| ^
<scratch space>:128:1: note: expanded from here
128 | __SCK__tp_func_rcu_stall_warning
| ^
4 errors generated.
vim +52 kernel/rcu/update.c
51
> 52 EXPORT_TRACEPOINT_SYMBOL_GPL(rcu_stall_warning);
53
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2026-07-08 23:14 [android-common:android14-5.15 10/10] kernel/rcu/update.c:52:1: error: use of undeclared identifier '__tracepoint_rcu_stall_warning'; did you mean '__tracepoint_rcu_utilization'? kernel test robot
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