1 files changed, 6 insertions, 0 deletions

diff --git a/kernel/events/core.c b/kernel/events/core.c
index c80549bf82c6..dcb093e7b377 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3935,6 +3935,12 @@ int perf_event_read_local(struct perf_event *event, u64 *value,
                 goto out;
         }
 
+        /* If this is a pinned event it must be running on this CPU */
+        if (event->attr.pinned && event->oncpu != smp_processor_id()) {
+                ret = -EBUSY;
+                goto out;
+        }
+
         /*
          * If the event is currently on this CPU, its either a per-task event,
          * or local to this CPU. Furthermore it means its ACTIVE (otherwise