From 0809d95451f7d867d37cf2b526b8da923fd72891 Mon Sep 17 00:00:00 2001
From: "Paul E. McKenney" <paulmck@linux.ibm.com>
Date: Tue, 6 Nov 2018 19:20:05 -0800
Subject: events: Replace synchronize_sched() with synchronize_rcu()

Now that synchronize_rcu() waits for preempt-disable regions of code
as well as RCU read-side critical sections, synchronize_sched() can be
replaced by synchronize_rcu().  This commit therefore makes this change.

Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
---
 kernel/events/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'kernel/events')

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 84530ab358c3..c4b90cf7734a 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -9918,7 +9918,7 @@ static void account_event(struct perf_event *event)
 			 * call the perf scheduling hooks before proceeding to
 			 * install events that need them.
 			 */
-			synchronize_sched();
+			synchronize_rcu();
 		}
 		/*
 		 * Now that we have waited for the sync_sched(), allow further
-- 
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