x86-Mark-various-interrupts-IRQF_NODELAY.patch

From 7ca84cc359deaa4b7626ccd1de83735941639cff Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 3 Jul 2009 08:29:35 -0500
Subject: [PATCH] x86: Mark various interrupts IRQF_NODELAY

commit 8e419d53135e146f3088c3c683c8a826bd64e140 in tip.

No forced threaded handlers for these interrupts.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
 arch/x86/kernel/irqinit.c      |    2 ++
 arch/x86/kernel/visws_quirks.c |    2 ++
 2 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index 0ed2d30..8815920 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -71,6 +71,7 @@ static irqreturn_t math_error_irq(int cpl, void *dev_id)
 static struct irqaction fpu_irq = {
 	.handler = math_error_irq,
 	.name = "fpu",
+	.flags = IRQF_NODELAY,
 };
 #endif
 
@@ -80,6 +81,7 @@ static struct irqaction fpu_irq = {
 static struct irqaction irq2 = {
 	.handler = no_action,
 	.name = "cascade",
+	.flags = IRQF_NODELAY,
 };
 
 DEFINE_PER_CPU(vector_irq_t, vector_irq) = {
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index e680ea5..267cd7d 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -615,11 +615,13 @@ out_unlock:
 static struct irqaction master_action = {
 	.handler =	piix4_master_intr,
 	.name =		"PIIX4-8259",
+	.flags =	IRQF_NODELAY,
 };
 
 static struct irqaction cascade_action = {
 	.handler = 	no_action,
 	.name =		"cascade",
+	.flags =	IRQF_NODELAY,
 };
 
 static inline void set_piix4_virtual_irq_type(void)
-- 
1.7.0.4