1 files changed, 3 insertions, 2 deletions

diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 3875d99cc40f..9e70f2053f9a 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -332,7 +332,8 @@ armpmu_reserve_hardware(void)
 
         for (i = 0; i < pmu_irqs->num_irqs; ++i) {
                 err = request_irq(pmu_irqs->irqs[i], armpmu->handle_irq,
-                                  IRQF_DISABLED, "armpmu", NULL);
+                                  IRQF_DISABLED | IRQF_NOBALANCING,
+                                  "armpmu", NULL);
                 if (err) {
                         pr_warning("unable to request IRQ%d for ARM "
                                    "perf counters\n", pmu_irqs->irqs[i]);
@@ -1624,7 +1625,7 @@ enum armv7_counters {
 /*
  * EVTSEL: Event selection reg
  */
-#define ARMV7_EVTSEL_MASK       0x7f            /* Mask for writable bits */
+#define ARMV7_EVTSEL_MASK       0xff            /* Mask for writable bits */
 
 /*
  * SELECT: Counter selection reg