perf: Change the is_software_event() definition

The is_software_event() definition always confuses me because its an
exclusive expression, make it an inclusive one.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

include/linux/perf_event.h

@@ -814,9 +814,14 @@ extern int perf_event_overflow(struct perf_event *event, int nmi,
  */
 static inline int is_software_event(struct perf_event *event)
 {
-	return (event->attr.type != PERF_TYPE_RAW) &&
-		(event->attr.type != PERF_TYPE_HARDWARE) &&
-		(event->attr.type != PERF_TYPE_HW_CACHE);
+	switch (event->attr.type) {
+	case PERF_TYPE_SOFTWARE:
+	case PERF_TYPE_TRACEPOINT:
+	/* for now the breakpoint stuff also works as software event */
+	case PERF_TYPE_BREAKPOINT:
+		return 1;
+	}
+	return 0;
 }
 
 extern atomic_t perf_swevent_enabled[PERF_COUNT_SW_MAX];