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-rw-r--r--arch/x86/kernel/cpu/perf_event.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 045cc0bb4c17..1d665a0b202c 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -835,6 +835,10 @@ void hw_perf_enable(void)
835 event = cpuc->event_list[i]; 835 event = cpuc->event_list[i];
836 hwc = &event->hw; 836 hwc = &event->hw;
837 837
838 if (i < n_running &&
839 match_prev_assignment(hwc, cpuc, i))
840 continue;
841
838 if (hwc->idx == -1) 842 if (hwc->idx == -1)
839 x86_assign_hw_event(event, cpuc, i); 843 x86_assign_hw_event(event, cpuc, i);
840 844