diff options
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/Makefile | 4 | ||||
| -rw-r--r-- | kernel/trace/trace_events_hist.c | 14 |
2 files changed, 11 insertions, 7 deletions
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile index 979e7bfbde7a..d0a1617b52b4 100644 --- a/kernel/trace/Makefile +++ b/kernel/trace/Makefile @@ -1,4 +1,8 @@ +# 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 diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 0c05b8a99806..f3a960ed75a1 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -1441,6 +1441,9 @@ static int hist_register_trigger(char *glob, struct event_trigger_ops *ops, 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; @@ -1448,9 +1451,6 @@ static int hist_register_trigger(char *glob, struct event_trigger_ops *ops, 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) @@ -1500,9 +1500,9 @@ static void hist_unregister_trigger(char *glob, struct event_trigger_ops *ops, 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); @@ -1699,9 +1699,9 @@ hist_enable_get_trigger_ops(char *cmd, char *param) 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); |