perf: Remove unused struct perf_event::event_callback

This field might result from an older manual rebasing mistake.
We don't use it.

Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: "K. Prasad" <prasad@linux.vnet.ibm.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 53230e99e9ea..84bd28a0ffab 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -670,8 +670,6 @@ struct perf_event {
 
         perf_callback_t                 callback;
 
-        perf_callback_t                 event_callback;
-
 #endif /* CONFIG_PERF_EVENTS */
 };