From: Wu Zhangjin <wuzhangjin@xxxxxxxxx>
Mark interrupts with no_action handler, cascade interrupts, low level
interrupts (bus error, halt ..) with IRQF_NO_THREAD to exclude them
from forced threading.
Signed-off-by: Wu Zhangjin <wuzhangjin@xxxxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
arch/mips/ar7/irq.c | 3 ++-
arch/mips/bcm63xx/irq.c | 1 +
arch/mips/cobalt/irq.c | 1 +
arch/mips/dec/setup.c | 4 ++++
arch/mips/emma/markeins/irq.c | 2 +-
arch/mips/lasat/interrupt.c | 1 +
arch/mips/mti-malta/malta-int.c | 6 ++++--
arch/mips/pmc-sierra/msp71xx/msp_irq.c | 2 ++
arch/mips/pnx8550/common/int.c | 2 +-
arch/mips/sgi-ip22/ip22-int.c | 10 +++++-----
arch/mips/sni/rm200.c | 1 +
arch/mips/vr41xx/common/irq.c | 1 +
12 files changed, 24 insertions(+), 10 deletions(-)
Index: linux-2.6/arch/mips/ar7/irq.c
===================================================================
--- linux-2.6.orig/arch/mips/ar7/irq.c
+++ linux-2.6/arch/mips/ar7/irq.c
@@ -98,7 +98,8 @@ static struct irq_chip ar7_sec_irq_type
static struct irqaction ar7_cascade_action = {
.handler = no_action,
- .name = "AR7 cascade interrupt"
+ .name = "AR7 cascade interrupt",
+ .flags = IRQF_NO_THREAD,
};
static void __init ar7_irq_init(int base)
Index: linux-2.6/arch/mips/bcm63xx/irq.c
===================================================================
--- linux-2.6.orig/arch/mips/bcm63xx/irq.c
+++ linux-2.6/arch/mips/bcm63xx/irq.c
@@ -222,6 +222,7 @@ static struct irq_chip bcm63xx_external_
static struct irqaction cpu_ip2_cascade_action = {
.handler = no_action,
.name = "cascade_ip2",
+ .flags = IRQF_NO_THREAD,
};
void __init arch_init_irq(void)
Index: linux-2.6/arch/mips/cobalt/irq.c
===================================================================
--- linux-2.6.orig/arch/mips/cobalt/irq.c
+++ linux-2.6/arch/mips/cobalt/irq.c
@@ -48,6 +48,7 @@ asmlinkage void plat_irq_dispatch(void)
static struct irqaction cascade = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NO_THREAD,
};
void __init arch_init_irq(void)
Index: linux-2.6/arch/mips/dec/setup.c
===================================================================
--- linux-2.6.orig/arch/mips/dec/setup.c
+++ linux-2.6/arch/mips/dec/setup.c
@@ -101,20 +101,24 @@ int cpu_fpu_mask = DEC_CPU_IRQ_MASK(DEC_
static struct irqaction ioirq = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NO_THREAD,
};
static struct irqaction fpuirq = {
.handler = no_action,
.name = "fpu",
+ .flags = IRQF_NO_THREAD,
};
static struct irqaction busirq = {
.flags = IRQF_DISABLED,
.name = "bus error",
+ .flags = IRQF_NO_THREAD,
};
static struct irqaction haltirq = {
.handler = dec_intr_halt,
.name = "halt",
+ .flags = IRQF_NO_THREAD,
};
Index: linux-2.6/arch/mips/emma/markeins/irq.c
===================================================================
--- linux-2.6.orig/arch/mips/emma/markeins/irq.c
+++ linux-2.6/arch/mips/emma/markeins/irq.c
@@ -169,7 +169,7 @@ void emma2rh_gpio_irq_init(void)
static struct irqaction irq_cascade = {
.handler = no_action,
- .flags = 0,
+ .flags = IRQF_NO_THREAD,
.name = "cascade",
.dev_id = NULL,
.next = NULL,
Index: linux-2.6/arch/mips/lasat/interrupt.c
===================================================================
--- linux-2.6.orig/arch/mips/lasat/interrupt.c
+++ linux-2.6/arch/mips/lasat/interrupt.c
@@ -105,6 +105,7 @@ asmlinkage void plat_irq_dispatch(void)
static struct irqaction cascade = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NO_THREAD,
};
void __init arch_init_irq(void)
Index: linux-2.6/arch/mips/mti-malta/malta-int.c
===================================================================
--- linux-2.6.orig/arch/mips/mti-malta/malta-int.c
+++ linux-2.6/arch/mips/mti-malta/malta-int.c
@@ -350,12 +350,14 @@ unsigned int plat_ipi_resched_int_xlate(
static struct irqaction i8259irq = {
.handler = no_action,
- .name = "XT-PIC cascade"
+ .name = "XT-PIC cascade",
+ .flags = IRQF_NO_THREAD,
};
static struct irqaction corehi_irqaction = {
.handler = no_action,
- .name = "CoreHi"
+ .name = "CoreHi",
+ .flags = IRQF_NO_THREAD,
};
static msc_irqmap_t __initdata msc_irqmap[] = {
Index: linux-2.6/arch/mips/pmc-sierra/msp71xx/msp_irq.c
===================================================================
--- linux-2.6.orig/arch/mips/pmc-sierra/msp71xx/msp_irq.c
+++ linux-2.6/arch/mips/pmc-sierra/msp71xx/msp_irq.c
@@ -109,11 +109,13 @@ asmlinkage void plat_irq_dispatch(struct
static struct irqaction cic_cascade_msp = {
.handler = no_action,
.name = "MSP CIC cascade"
+ .flags = IRQF_NO_THREAD,
};
static struct irqaction per_cascade_msp = {
.handler = no_action,
.name = "MSP PER cascade"
+ .flags = IRQF_NO_THREAD,
};
void __init arch_init_irq(void)
Index: linux-2.6/arch/mips/pnx8550/common/int.c
===================================================================
--- linux-2.6.orig/arch/mips/pnx8550/common/int.c
+++ linux-2.6/arch/mips/pnx8550/common/int.c
@@ -167,7 +167,7 @@ static struct irq_chip level_irq_type =
static struct irqaction gic_action = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NO_THREAD,
.name = "GIC",
};
Index: linux-2.6/arch/mips/sgi-ip22/ip22-int.c
===================================================================
--- linux-2.6.orig/arch/mips/sgi-ip22/ip22-int.c
+++ linux-2.6/arch/mips/sgi-ip22/ip22-int.c
@@ -155,32 +155,32 @@ static void __irq_entry indy_buserror_ir
static struct irqaction local0_cascade = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NO_THREAD,
.name = "local0 cascade",
};
static struct irqaction local1_cascade = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NO_THREAD,
.name = "local1 cascade",
};
static struct irqaction buserr = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NO_THREAD,
.name = "Bus Error",
};
static struct irqaction map0_cascade = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NO_THREAD,
.name = "mapable0 cascade",
};
#ifdef USE_LIO3_IRQ
static struct irqaction map1_cascade = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NO_THREAD,
.name = "mapable1 cascade",
};
#define SGI_INTERRUPTS SGINT_END
Index: linux-2.6/arch/mips/sni/rm200.c
===================================================================
--- linux-2.6.orig/arch/mips/sni/rm200.c
+++ linux-2.6/arch/mips/sni/rm200.c
@@ -359,6 +359,7 @@ void sni_rm200_init_8259A(void)
static struct irqaction sni_rm200_irq2 = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NO_THREAD,
};
static struct resource sni_rm200_pic1_resource = {
Index: linux-2.6/arch/mips/vr41xx/common/irq.c
===================================================================
--- linux-2.6.orig/arch/mips/vr41xx/common/irq.c
+++ linux-2.6/arch/mips/vr41xx/common/irq.c
@@ -34,6 +34,7 @@ static irq_cascade_t irq_cascade[NR_IRQS
static struct irqaction cascade_irqaction = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NO_THREAD,
};
int cascade_irq(unsigned int irq, int (*get_irq)(unsigned int))
