1 files changed, 3 insertions, 0 deletions

diff --git a/arch/x86/kernel/cpu/perf_counter.c b/arch/x86/kernel/cpu/perf_counter.c
index fc06f4d32644..d4c0cc9d3263 100644
--- a/arch/x86/kernel/cpu/perf_counter.c
+++ b/arch/x86/kernel/cpu/perf_counter.c
@@ -871,6 +871,9 @@ perf_counter_nmi_handler(struct notifier_block *self,
         struct pt_regs *regs;
         int ret;
 
+        if (!atomic_read(&num_counters))
+                return NOTIFY_DONE;
+
         switch (cmd) {
         case DIE_NMI:
         case DIE_NMI_IPI: