* [jimc:dd-stack 16/19] include/trace/trace_events.h:656:2: warning: 'perf_trace_dyndbg' used but never defined
@ 2021-12-03 4:46 kernel test robot
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From: kernel test robot @ 2021-12-03 4:46 UTC (permalink / raw)
To: kbuild-all
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tree: https://github.com/jimc/linux.git dd-stack
head: 5259aebf5f0de40eea572cdbe02b22c82f996c92
commit: f616d2051a608d06d76c4dc86710d08fe15e05a9 [16/19] printk.h - split trace-event to declar-class+define-event
config: i386-randconfig-m021-20211203 (https://download.01.org/0day-ci/archive/20211203/202112031249.8JRQHIPz-lkp(a)intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/jimc/linux/commit/f616d2051a608d06d76c4dc86710d08fe15e05a9
git remote add jimc https://github.com/jimc/linux.git
git fetch --no-tags jimc dd-stack
git checkout f616d2051a608d06d76c4dc86710d08fe15e05a9
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash kernel/printk/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
include/trace/trace_events.h:656:34: note: in definition of macro '_TRACE_PERF_PROTO'
656 | perf_trace_##call(void *__data, proto);
| ^~~~~
include/trace/trace_events.h:791:25: note: in expansion of macro 'PARAMS'
791 | _TRACE_PERF_PROTO(call, PARAMS(proto)); \
| ^~~~~~
include/trace/events/printk.h:40:1: note: in expansion of macro 'DECLARE_EVENT_CLASS'
40 | DECLARE_EVENT_CLASS(dyndbg,
| ^~~~~~~~~~~~~~~~~~~
include/trace/events/printk.h:41:2: note: in expansion of macro 'TP_PROTO'
41 | TP_PROTO(const struct _ddebug *desc, const char *text, size_t len),
| ^~~~~~~~
In file included from include/trace/define_trace.h:103,
from include/trace/events/printk.h:73,
from kernel/printk/printk.c:56:
include/trace/events/printk.h:41:24: warning: 'struct _ddebug' declared inside parameter list will not be visible outside of this definition or declaration
41 | TP_PROTO(const struct _ddebug *desc, const char *text, size_t len),
| ^~~~~~~
include/trace/perf.h:33:33: note: in definition of macro 'DECLARE_EVENT_CLASS'
33 | perf_trace_##call(void *__data, proto) \
| ^~~~~
include/trace/events/printk.h:41:2: note: in expansion of macro 'TP_PROTO'
41 | TP_PROTO(const struct _ddebug *desc, const char *text, size_t len),
| ^~~~~~~~
include/trace/perf.h:33:1: error: conflicting types for 'perf_trace_dyndbg'
33 | perf_trace_##call(void *__data, proto) \
| ^~~~~~~~~~~
include/trace/events/printk.h:40:1: note: in expansion of macro 'DECLARE_EVENT_CLASS'
40 | DECLARE_EVENT_CLASS(dyndbg,
| ^~~~~~~~~~~~~~~~~~~
In file included from include/trace/define_trace.h:102,
from include/trace/events/printk.h:73,
from kernel/printk/printk.c:56:
include/trace/trace_events.h:656:2: note: previous declaration of 'perf_trace_dyndbg' was here
656 | perf_trace_##call(void *__data, proto);
| ^~~~~~~~~~~
include/trace/trace_events.h:791:1: note: in expansion of macro '_TRACE_PERF_PROTO'
791 | _TRACE_PERF_PROTO(call, PARAMS(proto)); \
| ^~~~~~~~~~~~~~~~~
include/trace/events/printk.h:40:1: note: in expansion of macro 'DECLARE_EVENT_CLASS'
40 | DECLARE_EVENT_CLASS(dyndbg,
| ^~~~~~~~~~~~~~~~~~~
In file included from include/trace/define_trace.h:103,
from include/trace/events/printk.h:73,
from kernel/printk/printk.c:56:
include/trace/events/printk.h: In function 'perf_trace_dyndbg':
include/trace/events/printk.h:43:10: error: passing argument 2 of 'trace_event_get_offsets_dyndbg' from incompatible pointer type [-Werror=incompatible-pointer-types]
43 | TP_ARGS(desc, text, len),
| ^~~~
| |
| const struct _ddebug *
include/trace/perf.h:46:64: note: in definition of macro 'DECLARE_EVENT_CLASS'
46 | __data_size = trace_event_get_offsets_##call(&__data_offsets, args); \
| ^~~~
include/trace/events/printk.h:43:2: note: in expansion of macro 'TP_ARGS'
43 | TP_ARGS(desc, text, len),
| ^~~~~~~
In file included from include/trace/define_trace.h:102,
from include/trace/events/printk.h:73,
from kernel/printk/printk.c:56:
include/trace/events/printk.h:41:33: note: expected 'const struct _ddebug *' but argument is of type 'const struct _ddebug *'
41 | TP_PROTO(const struct _ddebug *desc, const char *text, size_t len),
| ~~~~~~~~~~~~~~~~~~~~~~^~~~
include/trace/trace_events.h:548:58: note: in definition of macro 'DECLARE_EVENT_CLASS'
548 | struct trace_event_data_offsets_##call *__data_offsets, proto) \
| ^~~~~
include/trace/events/printk.h:41:2: note: in expansion of macro 'TP_PROTO'
41 | TP_PROTO(const struct _ddebug *desc, const char *text, size_t len),
| ^~~~~~~~
In file included from include/trace/define_trace.h:103,
from include/trace/events/printk.h:73,
from kernel/printk/printk.c:56:
include/trace/events/printk.h: In function 'perf_test_probe_pr_debug':
include/trace/perf.h:82:35: error: passing argument 1 of 'check_trace_callback_type_pr_debug' from incompatible pointer type [-Werror=incompatible-pointer-types]
82 | check_trace_callback_type_##call(perf_trace_##template); \
| ^~~~~~~~~~~
| |
| void (*)(void *, const struct _ddebug *, const char *, size_t) {aka void (*)(void *, const struct _ddebug *, const char *, unsigned int)}
include/trace/events/printk.h:65:1: note: in expansion of macro 'DEFINE_EVENT'
65 | DEFINE_EVENT(dyndbg, pr_debug,
| ^~~~~~~~~~~~
In file included from include/trace/syscall.h:5,
from include/linux/syscalls.h:88,
from kernel/printk/printk.c:36:
include/linux/tracepoint.h:279:42: note: expected 'void (*)(void *, const struct _ddebug *, const char *, size_t)' {aka 'void (*)(void *, const struct _ddebug *, const char *, unsigned int)'} but argument is of type 'void (*)(void *, const struct _ddebug *, const char *, size_t)' {aka 'void (*)(void *, const struct _ddebug *, const char *, unsigned int)'}
279 | check_trace_callback_type_##name(void (*cb)(data_proto)) \
| ~~~~~~~^~~~~~~~~~~~~~~
include/linux/tracepoint.h:419:2: note: in expansion of macro '__DECLARE_TRACE'
419 | __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
| ^~~~~~~~~~~~~~~
include/linux/tracepoint.h:542:2: note: in expansion of macro 'DECLARE_TRACE'
542 | DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
| ^~~~~~~~~~~~~
include/trace/events/printk.h:65:1: note: in expansion of macro 'DEFINE_EVENT'
65 | DEFINE_EVENT(dyndbg, pr_debug,
| ^~~~~~~~~~~~
In file included from include/trace/define_trace.h:102,
from include/trace/events/printk.h:73,
from kernel/printk/printk.c:56:
kernel/printk/printk.c: At top level:
>> include/trace/trace_events.h:656:2: warning: 'perf_trace_dyndbg' used but never defined
656 | perf_trace_##call(void *__data, proto);
| ^~~~~~~~~~~
include/trace/trace_events.h:791:1: note: in expansion of macro '_TRACE_PERF_PROTO'
791 | _TRACE_PERF_PROTO(call, PARAMS(proto)); \
| ^~~~~~~~~~~~~~~~~
include/trace/events/printk.h:40:1: note: in expansion of macro 'DECLARE_EVENT_CLASS'
40 | DECLARE_EVENT_CLASS(dyndbg,
| ^~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/perf_trace_dyndbg +656 include/trace/trace_events.h
46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 653)
46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 654) #define _TRACE_PERF_PROTO(call, proto) \
46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 655) static notrace void \
46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 @656) perf_trace_##call(void *__data, proto);
46ac51822a6a0b Steven Rostedt (Red Hat 2015-09-23 657)
:::::: The code at line 656 was first introduced by commit
:::::: 46ac51822a6a0b83ee3e408ee9edcb292fb8ced0 tracing: Move non perf code out of perf.h
:::::: TO: Steven Rostedt (Red Hat) <rostedt@goodmis.org>
:::::: CC: Steven Rostedt <rostedt@goodmis.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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