perf: Remove __free_event()

There is but a single caller, remove the function - we already have
_free_event(), the extra indirection is nonsensical..

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 20 insertions, 25 deletions

diff --git a/kernel/events/core.c b/kernel/events/core.c
index eb44730afea5..024adf0e34eb 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3590,7 +3590,7 @@ static void unaccount_event(struct perf_event *event)
  *  3) two matching events on the same context.
  *
  * The former two cases are handled in the allocation path (perf_event_alloc(),
- * __free_event()), the latter -- before the first perf_install_in_context().
+ * _free_event()), the latter -- before the first perf_install_in_context().
  */
 static int exclusive_event_init(struct perf_event *event)
 {
@@ -3665,29 +3665,6 @@ static bool exclusive_event_installable(struct perf_event *event,
         return true;
 }
 
-static void __free_event(struct perf_event *event)
-{
-        if (!event->parent) {
-                if (event->attr.sample_type & PERF_SAMPLE_CALLCHAIN)
-                        put_callchain_buffers();
-        }
-
-        perf_event_free_bpf_prog(event);
-
-        if (event->destroy)
-                event->destroy(event);
-
-        if (event->ctx)
-                put_ctx(event->ctx);
-
-        if (event->pmu) {
-                exclusive_event_destroy(event);
-                module_put(event->pmu->module);
-        }
-
-        call_rcu(&event->rcu_head, free_event_rcu);
-}
-
 static void _free_event(struct perf_event *event)
 {
         irq_work_sync(&event->pending);
@@ -3709,7 +3686,25 @@ static void _free_event(struct perf_event *event)
         if (is_cgroup_event(event))
                 perf_detach_cgroup(event);
 
-        __free_event(event);
+        if (!event->parent) {
+                if (event->attr.sample_type & PERF_SAMPLE_CALLCHAIN)
+                        put_callchain_buffers();
+        }
+
+        perf_event_free_bpf_prog(event);
+
+        if (event->destroy)
+                event->destroy(event);
+
+        if (event->ctx)
+                put_ctx(event->ctx);
+
+        if (event->pmu) {
+                exclusive_event_destroy(event);
+                module_put(event->pmu->module);
+        }
+
+        call_rcu(&event->rcu_head, free_event_rcu);
 }
 
 /*