[tip:WIP.x86/entry 13/39] include/trace/events/syscalls.h:18:1: note: in expansion of macro 'TRACE_EVENT_FN'

From: kbuild test robot
Date: Tue May 26 2020 - 11:58:08 EST

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tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/entry
head: e122258fa9a6538fb47d18e6da58f7a02de9b1d3
commit: 7fe6027ef3c397e42702eb8d4fcfa93cf4b2597f [13/39] x86/entry: Switch XEN/PV hypercall entry to IDTENTRY
config: x86_64-rhel (attached as .config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build):
git checkout 7fe6027ef3c397e42702eb8d4fcfa93cf4b2597f
# save the attached .config to linux build tree
make W=1 ARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All error/warnings (new ones prefixed by >>, old ones prefixed by <<):

arch/x86/entry/common.c:54:24: warning: no previous prototype for 'enter_from_user_mode' [-Wmissing-prototypes]
__visible noinstr void enter_from_user_mode(void)
^~~~~~~~~~~~~~~~~~~~
arch/x86/entry/common.c:269:24: warning: no previous prototype for 'prepare_exit_to_usermode' [-Wmissing-prototypes]
__visible noinstr void prepare_exit_to_usermode(struct pt_regs *regs)
^~~~~~~~~~~~~~~~~~~~~~~~
arch/x86/entry/common.c:331:24: warning: no previous prototype for 'syscall_return_slowpath' [-Wmissing-prototypes]
__visible noinstr void syscall_return_slowpath(struct pt_regs *regs)
^~~~~~~~~~~~~~~~~~~~~~~
In file included from include/trace/events/xen.h:8:0,
from arch/x86/include/asm/xen/hypercall.h:42,
from include/xen/events.h:12,
from arch/x86/entry/common.c:688:
>> include/linux/tracepoint.h:282:20: error: redefinition of '__tpstrtab_sys_enter'
static const char __tpstrtab_##name[] ^
>> include/trace/define_trace.h:42:2: note: in expansion of macro 'DEFINE_TRACE_FN'
DEFINE_TRACE_FN(name, reg, unreg)
^~~~~~~~~~~~~~~
>> include/trace/events/syscalls.h:18:1: note: in expansion of macro 'TRACE_EVENT_FN'
TRACE_EVENT_FN(sys_enter,
^~~~~~~~~~~~~~
In file included from include/trace/syscall.h:5:0,
from include/linux/syscalls.h:85,
from arch/x86/entry/common.c:27:
include/linux/tracepoint.h:282:20: note: previous definition of '__tpstrtab_sys_enter' was here
static const char __tpstrtab_##name[] ^
>> include/trace/define_trace.h:42:2: note: in expansion of macro 'DEFINE_TRACE_FN'
DEFINE_TRACE_FN(name, reg, unreg)
^~~~~~~~~~~~~~~
>> include/trace/events/syscalls.h:18:1: note: in expansion of macro 'TRACE_EVENT_FN'
TRACE_EVENT_FN(sys_enter,
^~~~~~~~~~~~~~
In file included from include/trace/events/xen.h:8:0,
from arch/x86/include/asm/xen/hypercall.h:42,
from include/xen/events.h:12,
from arch/x86/entry/common.c:688:
include/linux/tracepoint.h:284:20: error: redefinition of '__tracepoint_sys_enter'
struct tracepoint __tracepoint_##name ^
>> include/trace/define_trace.h:42:2: note: in expansion of macro 'DEFINE_TRACE_FN'
DEFINE_TRACE_FN(name, reg, unreg)
^~~~~~~~~~~~~~~
>> include/trace/events/syscalls.h:18:1: note: in expansion of macro 'TRACE_EVENT_FN'
TRACE_EVENT_FN(sys_enter,
^~~~~~~~~~~~~~
In file included from include/trace/syscall.h:5:0,
from include/linux/syscalls.h:85,
from arch/x86/entry/common.c:27:
include/linux/tracepoint.h:284:20: note: previous definition of '__tracepoint_sys_enter' was here
struct tracepoint __tracepoint_##name ^
>> include/trace/define_trace.h:42:2: note: in expansion of macro 'DEFINE_TRACE_FN'
DEFINE_TRACE_FN(name, reg, unreg)
^~~~~~~~~~~~~~~
>> include/trace/events/syscalls.h:18:1: note: in expansion of macro 'TRACE_EVENT_FN'
TRACE_EVENT_FN(sys_enter,
^~~~~~~~~~~~~~
In file included from include/trace/events/xen.h:8:0,
from arch/x86/include/asm/xen/hypercall.h:42,
from include/xen/events.h:12,
from arch/x86/entry/common.c:688:
>> include/linux/tracepoint.h:282:20: error: redefinition of '__tpstrtab_sys_exit'
static const char __tpstrtab_##name[] ^
>> include/trace/define_trace.h:42:2: note: in expansion of macro 'DEFINE_TRACE_FN'
DEFINE_TRACE_FN(name, reg, unreg)
^~~~~~~~~~~~~~~
include/trace/events/syscalls.h:44:1: note: in expansion of macro 'TRACE_EVENT_FN'
TRACE_EVENT_FN(sys_exit,
^~~~~~~~~~~~~~
In file included from include/trace/syscall.h:5:0,
from include/linux/syscalls.h:85,
from arch/x86/entry/common.c:27:
include/linux/tracepoint.h:282:20: note: previous definition of '__tpstrtab_sys_exit' was here
static const char __tpstrtab_##name[] ^
>> include/trace/define_trace.h:42:2: note: in expansion of macro 'DEFINE_TRACE_FN'
DEFINE_TRACE_FN(name, reg, unreg)
^~~~~~~~~~~~~~~
include/trace/events/syscalls.h:44:1: note: in expansion of macro 'TRACE_EVENT_FN'
TRACE_EVENT_FN(sys_exit,
^~~~~~~~~~~~~~
In file included from include/trace/events/xen.h:8:0,
from arch/x86/include/asm/xen/hypercall.h:42,
from include/xen/events.h:12,
from arch/x86/entry/common.c:688:
include/linux/tracepoint.h:284:20: error: redefinition of '__tracepoint_sys_exit'
struct tracepoint __tracepoint_##name ^
>> include/trace/define_trace.h:42:2: note: in expansion of macro 'DEFINE_TRACE_FN'
DEFINE_TRACE_FN(name, reg, unreg)
^~~~~~~~~~~~~~~
include/trace/events/syscalls.h:44:1: note: in expansion of macro 'TRACE_EVENT_FN'
TRACE_EVENT_FN(sys_exit,
^~~~~~~~~~~~~~
In file included from include/trace/syscall.h:5:0,
from include/linux/syscalls.h:85,
from arch/x86/entry/common.c:27:
include/linux/tracepoint.h:284:20: note: previous definition of '__tracepoint_sys_exit' was here
struct tracepoint __tracepoint_##name ^
>> include/trace/define_trace.h:42:2: note: in expansion of macro 'DEFINE_TRACE_FN'
DEFINE_TRACE_FN(name, reg, unreg)
^~~~~~~~~~~~~~~
include/trace/events/syscalls.h:44:1: note: in expansion of macro 'TRACE_EVENT_FN'
TRACE_EVENT_FN(sys_exit,
^~~~~~~~~~~~~~
In file included from include/trace/define_trace.h:102:0,
from include/trace/events/xen.h:479,
from arch/x86/include/asm/xen/hypercall.h:42,
from include/xen/events.h:12,
from arch/x86/entry/common.c:688:
>> include/trace/trace_events.h:27:23: error: redefinition of 'str__raw_syscalls__trace_system_name'
#define __app__(x, y) str__##x##y
^
include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
#define __app(x, y) __app__(x, y)
^~~~~~~
include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
#define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
^~~~~
include/trace/trace_events.h:33:20: note: in expansion of macro 'TRACE_SYSTEM_STRING'
static const char TRACE_SYSTEM_STRING[] = ^~~~~~~~~~~~~~~~~~~
include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
TRACE_MAKE_SYSTEM_STR();
^~~~~~~~~~~~~~~~~~~~~
In file included from include/trace/define_trace.h:102:0,
from include/trace/events/syscalls.h:73,
from arch/x86/entry/common.c:41:
include/trace/trace_events.h:27:23: note: previous definition of 'str__raw_syscalls__trace_system_name' was here
#define __app__(x, y) str__##x##y
^
include/trace/trace_events.h:28:21: note: in expansion of macro '__app__'
#define __app(x, y) __app__(x, y)
^~~~~~~
include/trace/trace_events.h:30:29: note: in expansion of macro '__app'
#define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
^~~~~
include/trace/trace_events.h:33:20: note: in expansion of macro 'TRACE_SYSTEM_STRING'
static const char TRACE_SYSTEM_STRING[] = ^~~~~~~~~~~~~~~~~~~
include/trace/trace_events.h:36:1: note: in expansion of macro 'TRACE_MAKE_SYSTEM_STR'
TRACE_MAKE_SYSTEM_STR();
^~~~~~~~~~~~~~~~~~~~~
In file included from include/trace/define_trace.h:102:0,
from include/trace/events/xen.h:479,
from arch/x86/include/asm/xen/hypercall.h:42,
from include/xen/events.h:12,
from arch/x86/entry/common.c:688:
>> include/trace/trace_events.h:113:9: error: redefinition of 'struct trace_event_raw_sys_enter'
struct trace_event_raw_##name { ^
include/trace/trace_events.h:75:2: note: in expansion of macro 'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(name, ^~~~~~~~~~~~~~~~~~~
include/trace/trace_events.h:138:2: note: in expansion of macro 'TRACE_EVENT'
TRACE_EVENT(name, PARAMS(proto), PARAMS(args), ^~~~~~~~~~~
>> include/trace/events/syscalls.h:18:1: note: in expansion of macro 'TRACE_EVENT_FN'
TRACE_EVENT_FN(sys_enter,
^~~~~~~~~~~~~~
In file included from include/trace/define_trace.h:102:0,
from include/trace/events/syscalls.h:73,
from arch/x86/entry/common.c:41:
include/trace/trace_events.h:113:9: note: originally defined here
struct trace_event_raw_##name { ^
include/trace/trace_events.h:75:2: note: in expansion of macro 'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(name, ^~~~~~~~~~~~~~~~~~~
include/trace/trace_events.h:138:2: note: in expansion of macro 'TRACE_EVENT'
TRACE_EVENT(name, PARAMS(proto), PARAMS(args), ^~~~~~~~~~~
>> include/trace/events/syscalls.h:18:1: note: in expansion of macro 'TRACE_EVENT_FN'
TRACE_EVENT_FN(sys_enter,
^~~~~~~~~~~~~~
In file included from include/trace/syscall.h:7:0,
from include/linux/syscalls.h:85,
from arch/x86/entry/common.c:27:
>> include/linux/trace_events.h:552:20: error: redefinition of 'trace_init_flags_sys_enter'
static int __init trace_init_flags_##name(void) ^
>> include/trace/trace_events.h:149:2: note: in expansion of macro '__TRACE_EVENT_FLAGS'
__TRACE_EVENT_FLAGS(name, value)
^~~~~~~~~~~~~~~~~~~
include/trace/events/syscalls.h:42:1: note: in expansion of macro 'TRACE_EVENT_FLAGS'
TRACE_EVENT_FLAGS(sys_enter, TRACE_EVENT_FL_CAP_ANY)
^~~~~~~~~~~~~~~~~
include/linux/trace_events.h:552:20: note: previous definition of 'trace_init_flags_sys_enter' was here
static int __init trace_init_flags_##name(void) ^
include/trace/trace_events.h:149:2: note: in expansion of macro '__TRACE_EVENT_FLAGS'
__TRACE_EVENT_FLAGS(name, value)
^~~~~~~~~~~~~~~~~~~
include/trace/events/syscalls.h:42:1: note: in expansion of macro 'TRACE_EVENT_FLAGS'
TRACE_EVENT_FLAGS(sys_enter, TRACE_EVENT_FL_CAP_ANY)
^~~~~~~~~~~~~~~~~
In file included from <command-line>:0:0:
include/linux/compiler.h:384:11: error: redefinition of '__addressable_trace_init_flags_sys_enter42'
__PASTE(__addressable_##sym, __LINE__) = (void *)&sym;
^
include/linux/compiler_types.h:53:23: note: in definition of macro '___PASTE'
#define ___PASTE(a,b) a##b
^
include/linux/compiler.h:384:3: note: in expansion of macro '__PASTE'
__PASTE(__addressable_##sym, __LINE__) = (void *)&sym;
^~~~~~~
include/linux/init.h:189:2: note: in expansion of macro '__ADDRESSABLE'
__ADDRESSABLE(fn) ^~~~~~~~~~~~~
include/linux/init.h:200:35: note: in expansion of macro '___define_initcall'
#define __define_initcall(fn, id) ___define_initcall(fn, id, .initcall##id)
^~~~~~~~~~~~~~~~~~
include/linux/init.h:207:29: note: in expansion of macro '__define_initcall'
#define early_initcall(fn) __define_initcall(fn, early)
^~~~~~~~~~~~~~~~~
include/linux/trace_events.h:557:2: note: in expansion of macro 'early_initcall'
early_initcall(trace_init_flags_##name);
^~~~~~~~~~~~~~
include/trace/trace_events.h:149:2: note: in expansion of macro '__TRACE_EVENT_FLAGS'
__TRACE_EVENT_FLAGS(name, value)
^~~~~~~~~~~~~~~~~~~
include/trace/events/syscalls.h:42:1: note: in expansion of macro 'TRACE_EVENT_FLAGS'
TRACE_EVENT_FLAGS(sys_enter, TRACE_EVENT_FL_CAP_ANY)
^~~~~~~~~~~~~~~~~
include/linux/compiler.h:384:11: note: previous definition of '__addressable_trace_init_flags_sys_enter42' was here
__PASTE(__addressable_##sym, __LINE__) = (void *)&sym;
^
include/linux/compiler_types.h:53:23: note: in definition of macro '___PASTE'
#define ___PASTE(a,b) a##b
^
include/linux/compiler.h:384:3: note: in expansion of macro '__PASTE'
__PASTE(__addressable_##sym, __LINE__) = (void *)&sym;
^~~~~~~
include/linux/init.h:189:2: note: in expansion of macro '__ADDRESSABLE'
__ADDRESSABLE(fn) ^~~~~~~~~~~~~
include/linux/init.h:200:35: note: in expansion of macro '___define_initcall'
#define __define_initcall(fn, id) ___define_initcall(fn, id, .initcall##id)
^~~~~~~~~~~~~~~~~~
include/linux/init.h:207:29: note: in expansion of macro '__define_initcall'
#define early_initcall(fn) __define_initcall(fn, early)
^~~~~~~~~~~~~~~~~
include/linux/trace_events.h:557:2: note: in expansion of macro 'early_initcall'
early_initcall(trace_init_flags_##name);
^~~~~~~~~~~~~~
include/trace/trace_events.h:149:2: note: in expansion of macro '__TRACE_EVENT_FLAGS'
__TRACE_EVENT_FLAGS(name, value)
^~~~~~~~~~~~~~~~~~~
include/trace/events/syscalls.h:42:1: note: in expansion of macro 'TRACE_EVENT_FLAGS'
TRACE_EVENT_FLAGS(sys_enter, TRACE_EVENT_FL_CAP_ANY)
^~~~~~~~~~~~~~~~~
In file included from include/trace/define_trace.h:102:0,
from include/trace/events/xen.h:479,
from arch/x86/include/asm/xen/hypercall.h:42,
from include/xen/events.h:12,
from arch/x86/entry/common.c:688:
include/trace/trace_events.h:113:9: error: redefinition of 'struct trace_event_raw_sys_exit'
struct trace_event_raw_##name { ^
include/trace/trace_events.h:75:2: note: in expansion of macro 'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(name, ^~~~~~~~~~~~~~~~~~~
include/trace/trace_events.h:138:2: note: in expansion of macro 'TRACE_EVENT'
TRACE_EVENT(name, PARAMS(proto), PARAMS(args), ^~~~~~~~~~~
include/trace/events/syscalls.h:44:1: note: in expansion of macro 'TRACE_EVENT_FN'
TRACE_EVENT_FN(sys_exit,
^~~~~~~~~~~~~~
In file included from include/trace/define_trace.h:102:0,
from include/trace/events/syscalls.h:73,
from arch/x86/entry/common.c:41:
include/trace/trace_events.h:113:9: note: originally defined here
struct trace_event_raw_##name { ^
include/trace/trace_events.h:75:2: note: in expansion of macro 'DECLARE_EVENT_CLASS'
DECLARE_EVENT_CLASS(name, ^~~~~~~~~~~~~~~~~~~
include/trace/trace_events.h:138:2: note: in expansion of macro 'TRACE_EVENT'
TRACE_EVENT(name, PARAMS(proto), PARAMS(args), ^~~~~~~~~~~
include/trace/events/syscalls.h:44:1: note: in expansion of macro 'TRACE_EVENT_FN'
TRACE_EVENT_FN(sys_exit,

vim +/TRACE_EVENT_FN +18 include/trace/events/syscalls.h

1c569f0264ea62 Josh Stone 2009-08-24 17
1c569f0264ea62 Josh Stone 2009-08-24 @18 TRACE_EVENT_FN(sys_enter,
1c569f0264ea62 Josh Stone 2009-08-24 19
1c569f0264ea62 Josh Stone 2009-08-24 20 TP_PROTO(struct pt_regs *regs, long id),
1c569f0264ea62 Josh Stone 2009-08-24 21
1c569f0264ea62 Josh Stone 2009-08-24 22 TP_ARGS(regs, id),
1c569f0264ea62 Josh Stone 2009-08-24 23
1c569f0264ea62 Josh Stone 2009-08-24 24 TP_STRUCT__entry(
1c569f0264ea62 Josh Stone 2009-08-24 25 __field( long, id )
1c569f0264ea62 Josh Stone 2009-08-24 26 __array( unsigned long, args, 6 )
1c569f0264ea62 Josh Stone 2009-08-24 27 ),
1c569f0264ea62 Josh Stone 2009-08-24 28
1c569f0264ea62 Josh Stone 2009-08-24 29 TP_fast_assign(
1c569f0264ea62 Josh Stone 2009-08-24 30 __entry->id = id;
b35f549df1d752 Steven Rostedt (Red Hat 2016-11-07 31) syscall_get_arguments(current, regs, __entry->args);
1c569f0264ea62 Josh Stone 2009-08-24 32 ),
1c569f0264ea62 Josh Stone 2009-08-24 33
1c569f0264ea62 Josh Stone 2009-08-24 34 TP_printk("NR %ld (%lx, %lx, %lx, %lx, %lx, %lx)",
1c569f0264ea62 Josh Stone 2009-08-24 35 __entry->id,
1c569f0264ea62 Josh Stone 2009-08-24 36 __entry->args[0], __entry->args[1], __entry->args[2],
1c569f0264ea62 Josh Stone 2009-08-24 37 __entry->args[3], __entry->args[4], __entry->args[5]),
1c569f0264ea62 Josh Stone 2009-08-24 38
1c569f0264ea62 Josh Stone 2009-08-24 39 syscall_regfunc, syscall_unregfunc
1c569f0264ea62 Josh Stone 2009-08-24 40 );
1c569f0264ea62 Josh Stone 2009-08-24 41
fe5542030dce3b Frederic Weisbecker 2010-11-18 @42 TRACE_EVENT_FLAGS(sys_enter, TRACE_EVENT_FL_CAP_ANY)
fe5542030dce3b Frederic Weisbecker 2010-11-18 43

:::::: The code at line 18 was first introduced by commit
:::::: 1c569f0264ea629c10bbab471dd0626ce4d3f19f tracing: Create generic syscall TRACE_EVENTs

:::::: TO: Josh Stone <jistone@xxxxxxxxxx>
:::::: CC: Frederic Weisbecker <fweisbec@xxxxxxxxx>

---
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