WARNING: function definition argument 'unsigned long long' should also have an identifier name
#118: FILE: include/linux/tracepoint.h:38:
+	const char *		(*lookup)(unsigned long long);

WARNING: please, no space before tabs
#124: FILE: include/linux/tracepoint.h:44:
+^Ivoid ^I^I^I(*show)(struct seq_file *);$

WARNING: function definition argument 'struct seq_file *' should also have an identifier name
#124: FILE: include/linux/tracepoint.h:44:
+	void 			(*show)(struct seq_file *);

WARNING: please, no space before tabs
#172: FILE: include/trace/stages/init.h:46:
+^Istatic struct trace_sym_def ^I^I^I^I^I\$

CHECK: spaces preferred around that '*' (ctx:ExV)
#174: FILE: include/trace/stages/init.h:48:
+	*__trace_sym_def_p_ ## _name = &__trace_sym_def_ ## _name
 	^

WARNING: Argument '_symbol_id' is not used in function-like macro
#219: FILE: include/trace/stages/stage2_data_offsets.h:9:
+#define TRACE_DEFINE_SYM_FNS(_symbol_id, _lookup, _show)

WARNING: Argument '_lookup' is not used in function-like macro
#219: FILE: include/trace/stages/stage2_data_offsets.h:9:
+#define TRACE_DEFINE_SYM_FNS(_symbol_id, _lookup, _show)

WARNING: Argument '_show' is not used in function-like macro
#219: FILE: include/trace/stages/stage2_data_offsets.h:9:
+#define TRACE_DEFINE_SYM_FNS(_symbol_id, _lookup, _show)

WARNING: Argument '_symbol_id' is not used in function-like macro
#222: FILE: include/trace/stages/stage2_data_offsets.h:12:
+#define TRACE_DEFINE_SYM_LIST(_symbol_id, ...)

CHECK: spaces required around that ':' (ctx:VxV)
#256: FILE: include/trace/stages/stage7_class_define.h:29:
+#define __print_sym(value, symbol_id)	__print_sym(value:symbol_id)
                                      	                 ^

WARNING: externs should be avoided in .c files
#284: FILE: kernel/trace/trace_events.c:1574:
+extern struct trace_sym_def *__stop_ftrace_sym_defs[];

total: 0 errors, 9 warnings, 2 checks, 326 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit df4164db2298 ("tracing: add __print_sym() to replace __print_symbolic()") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 9 warnings, 2 checks, 326 lines checked