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authorPaul E. McKenney <paulmck@linux.ibm.com>2018-11-06 19:20:05 -0800
committerPaul E. McKenney <paulmck@linux.ibm.com>2018-11-27 09:21:44 -0800
commit0809d95451f7d867d37cf2b526b8da923fd72891 (patch)
treeb8ff591496f71bfcccf1e2d7ebc7d13af3f117e1 /kernel/events
parent25b0077511fe7cf1b876174f8481fb1742f4fb4d (diff)
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>
Diffstat (limited to 'kernel/events')
-rw-r--r--kernel/events/core.c2
1 files changed, 1 insertions, 1 deletions
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