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-rw-r--r--include/linux/jump_label.h10
-rw-r--r--include/linux/perf_event.h12
2 files changed, 12 insertions, 10 deletions
diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h
index 81be496..b67cb18 100644
--- a/include/linux/jump_label.h
+++ b/include/linux/jump_label.h
@@ -61,4 +61,14 @@ static inline int jump_label_text_reserved(void *start, void *end)
#endif
+#define COND_STMT(key, stmt) \
+do { \
+ __label__ jl_enabled; \
+ JUMP_LABEL(key, jl_enabled); \
+ if (0) { \
+jl_enabled: \
+ stmt; \
+ } \
+} while (0)
+
#endif
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 3b80cbf..057bf22 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -903,21 +903,13 @@ extern atomic_t perf_task_events;
static inline void perf_event_task_sched_in(struct task_struct *task)
{
- JUMP_LABEL(&perf_task_events, have_events);
- return;
-
-have_events:
- __perf_event_task_sched_in(task);
+ COND_STMT(&perf_task_events, __perf_event_task_sched_in(task));
}
static inline
void perf_event_task_sched_out(struct task_struct *task, struct task_struct *next)
{
- JUMP_LABEL(&perf_task_events, have_events);
- return;
-
-have_events:
- __perf_event_task_sched_out(task, next);
+ COND_STMT(&perf_task_events, __perf_event_task_sched_out(task, next));
}
extern int perf_event_init_task(struct task_struct *child);