perf_event: Convert to raw_spinlock

Convert locks which cannot be sleeping locks in preempt-rt to
raw_spinlocks.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 64a53f74c9a9..da7bdc23f279 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -681,7 +681,7 @@ struct perf_event_context {
          * Protect the states of the events in the list,
          * nr_active, and the list:
          */
-        spinlock_t                      lock;
+        raw_spinlock_t                  lock;
         /*
          * Protect the list of events.  Locking either mutex or lock
          * is sufficient to ensure the list doesn't change; to change