KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,)
KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,)
-KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,)
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
KBUILD_CFLAGS += -Os
+# We are fully aware of the dangers of __builtin_return_address()
+FRAME_CFLAGS := $(call cc-disable-warning,frame-address)
+KBUILD_CFLAGS += $(FRAME_CFLAGS)
+
# Do not instrument the tracer itself:
ifdef CONFIG_FUNCTION_TRACER
goto out;
}
+ if (hist_data->attrs->pause)
+ data->paused = true;
+
if (named_data) {
destroy_hist_data(data->private_data);
data->private_data = named_data->private_data;
data->ops = &event_hist_trigger_named_ops;
}
- if (hist_data->attrs->pause)
- data->paused = true;
-
if (data->ops->init) {
ret = data->ops->init(data->ops, data);
if (ret < 0)
static void hist_unreg_all(struct trace_event_file *file)
{
- struct event_trigger_data *test;
+ struct event_trigger_data *test, *n;
- list_for_each_entry_rcu(test, &file->triggers, list) {
+ list_for_each_entry_safe(test, n, &file->triggers, list) {
if (test->cmd_ops->trigger_type == ETT_EVENT_HIST) {
list_del_rcu(&test->list);
trace_event_trigger_enable_disable(file, 0);
static void hist_enable_unreg_all(struct trace_event_file *file)
{
- struct event_trigger_data *test;
+ struct event_trigger_data *test, *n;
- list_for_each_entry_rcu(test, &file->triggers, list) {
+ list_for_each_entry_safe(test, n, &file->triggers, list) {
if (test->cmd_ops->trigger_type == ETT_HIST_ENABLE) {
list_del_rcu(&test->list);
update_cond_flag(file);