From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 14 Aug 2013 10:07:47 +0000 (+0100)
Subject: ARM: 7813/1: Mark pmu interupt IRQF_NO_THREAD
X-Git-Tag: firefly_0821_release~176^2~5416^2^4~11
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d9c3365b5dcfcd4c782359b182e5cf9ec7ad94fa;p=firefly-linux-kernel-4.4.55.git

ARM: 7813/1: Mark pmu interupt IRQF_NO_THREAD

PMU interrupts must not be threaded.

Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/kernel/perf_event_cpu.c b/arch/arm/kernel/perf_event_cpu.c
index aebe0e99c153..8d6147b2001f 100644
--- a/arch/arm/kernel/perf_event_cpu.c
+++ b/arch/arm/kernel/perf_event_cpu.c
@@ -118,7 +118,8 @@ static int cpu_pmu_request_irq(struct arm_pmu *cpu_pmu, irq_handler_t handler)
 			continue;
 		}
 
-		err = request_irq(irq, handler, IRQF_NOBALANCING, "arm-pmu",
+		err = request_irq(irq, handler,
+				  IRQF_NOBALANCING | IRQF_NO_THREAD, "arm-pmu",
 				  cpu_pmu);
 		if (err) {
 			pr_err("unable to request IRQ%d for ARM PMU counters\n",