From a4e5e9b8024112e98f99242ec9ac155658759ab8 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 14 Aug 2013 11:07:47 +0100
Subject: [PATCH] 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>
---
arch/arm/kernel/perf_event_cpu.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm/kernel/perf_event_cpu.c b/arch/arm/kernel/perf_event_cpu.c
index aebe0e99c153e..8d6147b2001f8 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",
--
2.39.5