arm64: Mark PMU interrupt IRQF_NO_THREAD

roxell · ctmarinas · commit 96045ed486b0 · 2015-05-19T15:27:42.000+01:00
Mark the PMU interrupts as non-threadable, as is the case with arch/arm: d9c3365 ARM: 7813/1: Mark pmu interupt IRQF_NO_THREAD Acked-by: Will Deacon <will.deacon@arm.com> Suggested-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
diff --git a/arch/arm64/kernel/perf_event.c b/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",

Original file line number	Diff line number	Diff line change
`@@ -488,7 +488,7 @@ armpmu_reserve_hardware(struct arm_pmu *armpmu)`
`488`	`488`	`}`
`489`	`489`
`490`	`490`	`err = request_irq(irq, armpmu->handle_irq,`
`491`		`- IRQF_NOBALANCING,`
	`491`	`+ IRQF_NOBALANCING \| IRQF_NO_THREAD,`
`492`	`492`	`"arm-pmu", armpmu);`
`493`	`493`	`if (err) {`
`494`	`494`	`pr_err("unable to request IRQ%d for ARM PMU counters\n",`