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path: root/drivers/perf/arm_pmu.c
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Diffstat (limited to 'drivers/perf/arm_pmu.c')
-rw-r--r--drivers/perf/arm_pmu.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index 15bd1e34a88e..f6ccb2cd4dfc 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -109,6 +109,8 @@ static inline u64 arm_pmu_event_max_period(struct perf_event *event)
{
if (event->hw.flags & ARMPMU_EVT_64BIT)
return GENMASK_ULL(63, 0);
+ else if (event->hw.flags & ARMPMU_EVT_63BIT)
+ return GENMASK_ULL(62, 0);
else if (event->hw.flags & ARMPMU_EVT_47BIT)
return GENMASK_ULL(46, 0);
else
@@ -687,6 +689,11 @@ static int armpmu_get_cpu_irq(struct arm_pmu *pmu, int cpu)
return per_cpu(hw_events->irq, cpu);
}
+bool arm_pmu_irq_is_nmi(void)
+{
+ return has_nmi;
+}
+
/*
* PMU hardware loses all context when a CPU goes offline.
* When a CPU is hotplugged back in, since some hardware registers are