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authorLinus Torvalds <torvalds@linux-foundation.org>2013-12-02 13:13:09 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2013-12-02 13:13:09 -0500
commite321ae4c207ce4c6c6812fc65e666efc325cc65e (patch)
tree117ded7f1a1bfcdcc6417c6816c02680539d6485 /kernel/trace
parentbcc2f9b718d0be9cd77551d37c28daf4ebbc570c (diff)
parente98a6e59dff885eb387163b1a7abe019a44ba90b (diff)
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar: "Misc kernel and tooling fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tools lib traceevent: Fix conversion of pointer to integer of different size perf/trace: Properly use u64 to hold event_id perf: Remove fragile swevent hlist optimization ftrace, perf: Avoid infinite event generation loop tools lib traceevent: Fix use of multiple options in processing field perf header: Fix possible memory leaks in process_group_desc() perf header: Fix bogus group name perf tools: Tag thread comm as overriden
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/trace_event_perf.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index 78e27e3b52ac..e854f420e033 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -24,6 +24,12 @@ static int total_ref_count;
24static int perf_trace_event_perm(struct ftrace_event_call *tp_event, 24static int perf_trace_event_perm(struct ftrace_event_call *tp_event,
25 struct perf_event *p_event) 25 struct perf_event *p_event)
26{ 26{
27 if (tp_event->perf_perm) {
28 int ret = tp_event->perf_perm(tp_event, p_event);
29 if (ret)
30 return ret;
31 }
32
27 /* The ftrace function trace is allowed only for root. */ 33 /* The ftrace function trace is allowed only for root. */
28 if (ftrace_event_is_function(tp_event) && 34 if (ftrace_event_is_function(tp_event) &&
29 perf_paranoid_tracepoint_raw() && !capable(CAP_SYS_ADMIN)) 35 perf_paranoid_tracepoint_raw() && !capable(CAP_SYS_ADMIN))
@@ -173,7 +179,7 @@ static int perf_trace_event_init(struct ftrace_event_call *tp_event,
173int perf_trace_init(struct perf_event *p_event) 179int perf_trace_init(struct perf_event *p_event)
174{ 180{
175 struct ftrace_event_call *tp_event; 181 struct ftrace_event_call *tp_event;
176 int event_id = p_event->attr.config; 182 u64 event_id = p_event->attr.config;
177 int ret = -EINVAL; 183 int ret = -EINVAL;
178 184
179 mutex_lock(&event_mutex); 185 mutex_lock(&event_mutex);