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authorAlex Shi <alex.shi@linaro.org>2016-05-12 12:20:40 +0800
committerAlex Shi <alex.shi@linaro.org>2016-05-12 12:20:40 +0800
commitb3f09bff3f6f291d4ef5d400426278856bf24c27 (patch)
treed9b01ee6f510b32aacbed3487634218ece3fbfe2 /kernel/trace
parent334ca3ed18ded942e0220719f70b80eb20fa48ec (diff)
parente37ddf27108a992e191b27df9bd532cb9157dc89 (diff)
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/trace_events.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index d202d991edae..996f0fd34312 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -2107,8 +2107,13 @@ event_create_dir(struct dentry *parent, struct trace_event_file *file)
trace_create_file("filter", 0644, file->dir, file,
&ftrace_event_filter_fops);
- trace_create_file("trigger", 0644, file->dir, file,
- &event_trigger_fops);
+ /*
+ * Only event directories that can be enabled should have
+ * triggers.
+ */
+ if (!(call->flags & TRACE_EVENT_FL_IGNORE_ENABLE))
+ trace_create_file("trigger", 0644, file->dir, file,
+ &event_trigger_fops);
trace_create_file("format", 0444, file->dir, call,
&ftrace_event_format_fops);