1 files changed, 8 insertions, 0 deletions

diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 89bd59365c07..069f92b31992 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -880,8 +880,16 @@ static int power_pmu_add(struct perf_event *event, int ef_flags)
         cpuhw->events[n0] = event->hw.config;
         cpuhw->flags[n0] = event->hw.event_base;
 
+        /*
+         * This event may have been disabled/stopped in record_and_restart()
+         * because we exceeded the ->event_limit. If re-starting the event,
+         * clear the ->hw.state (STOPPED and UPTODATE flags), so the user
+         * notification is re-enabled.
+         */
         if (!(ef_flags & PERF_EF_START))
                 event->hw.state = PERF_HES_STOPPED | PERF_HES_UPTODATE;
+        else
+                event->hw.state = 0;
 
         /*
          * If group events scheduling transaction was started,