As we've added __init annotation to field-defining functions, we should
add __refdata annotation to event_call variables, which reference those
functions.
Reported-by: Fengguang Wu <fengguang...@intel.com>
Signed-off-by: Li Zefan <lize...@huawei.com>
---
include/trace/ftrace.h | 2 +-
kernel/trace/trace_export.c | 2 +-
kernel/trace/trace_syscalls.c | 4 ++--
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index dc18af3..3ffaf52 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -570,7 +570,7 @@ static inline void ftrace_test_probe_##call(void)
\
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
_TRACE_PERF_PROTO(call, PARAMS(proto));
\
static const char print_fmt_##call[] = print; \
-static struct ftrace_event_class __used event_class_##call = { \
+static struct ftrace_event_class __used __refdata event_class_##call = { \
.system = __stringify(TRACE_SYSTEM), \
.define_fields = ftrace_define_fields_##call, \
.fields = LIST_HEAD_INIT(event_class_##call.fields),\
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index 4f6a91c..d21a746 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -168,7 +168,7 @@ ftrace_define_fields_##name(struct ftrace_event_call
*event_call) \
#define FTRACE_ENTRY_REG(call, struct_name, etype, tstruct, print, filter,\
regfn) \
\
-struct ftrace_event_class event_class_ftrace_##call = {
\
+struct ftrace_event_class __refdata event_class_ftrace_##call = { \
.system = __stringify(TRACE_SYSTEM), \
.define_fields = ftrace_define_fields_##call, \
.fields =
LIST_HEAD_INIT(event_class_ftrace_##call.fields),\
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index c57fe3d..07d75e5 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -438,7 +438,7 @@ struct trace_event_functions exit_syscall_print_funcs = {
.trace = print_syscall_exit,
};
-struct ftrace_event_class event_class_syscall_enter = {
+struct ftrace_event_class __refdata event_class_syscall_enter = {
.system = "syscalls",
.reg = syscall_enter_register,
.define_fields = syscall_enter_define_fields,
@@ -446,7 +446,7 @@ struct ftrace_event_class event_class_syscall_enter = {
.raw_init = init_syscall_trace,
};
-struct ftrace_event_class event_class_syscall_exit = {
+struct ftrace_event_class __refdata event_class_syscall_exit = {
.system = "syscalls",
.reg = syscall_exit_register,
.define_fields = syscall_exit_define_fields,
--
1.8.0.2
--
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