[PATCHv2 1/3] arm64: Mark PMU interrupt IRQF_NO_THREAD

Anders Roxell anders.roxell at linaro.org
Mon Apr 27 13:53:08 PDT 2015


Mark the PMU interrupts as non-threadable, as is the case with
arch/arm: d9c3365 ARM: 7813/1: Mark pmu interupt IRQF_NO_THREAD

Suggested-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
Signed-off-by: Anders Roxell <anders.roxell at linaro.org>
---
 arch/arm64/kernel/perf_event.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index aa29ecb..70dcde6 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -461,7 +461,7 @@ 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",
-- 
2.1.4




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