arm64: Mark PMU interrupt IRQF_NO_THREAD

Mark the PMU interrupts as non-threadable, as is the case with
arch/arm: d9c3365b ARM: 7813/1: Mark pmu interupt IRQF_NO_THREAD
Acked-by: NWill Deacon <will.deacon@arm.com>
Suggested-by: NSebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: NAnders Roxell <anders.roxell@linaro.org>
Signed-off-by: NCatalin Marinas <catalin.marinas@arm.com>

arch/arm64/kernel/perf_event.c

@@ -488,7 +488,7 @@ armpmu_reserve_hardware(struct arm_pmu *armpmu)
 			}
 
 			err = request_irq(irq, armpmu->handle_irq,
-					IRQF_NOBALANCING,
+					IRQF_NOBALANCING | IRQF_NO_THREAD,
 					"arm-pmu", armpmu);
 			if (err) {
 				pr_err("unable to request IRQ%d for ARM PMU counters\n",