From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Sat, 23 Jul 2011 14:43:46 +0200 (CEST) Received: from www.linutronix.de ([62.245.132.108]:60699 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S1491191Ab1GWMlZ (ORCPT ); Sat, 23 Jul 2011 14:41:25 +0200 Received: from localhost ([127.0.0.1] helo=localhost6.localdomain6) by Galois.linutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1QkbWG-0003uq-Oj; Sat, 23 Jul 2011 14:41:24 +0200 Message-Id: <20110723124016.245033649@linutronix.de> User-Agent: quilt/0.48-1 Date: Sat, 23 Jul 2011 12:41:24 -0000 From: Thomas Gleixner To: linux-mips@linux-mips.org Cc: Ralf Baechle , Wu Zhangjin Subject: [patch 5/7] MIPS: Mark cascade and low level interrupts IRQF_NO_THREAD References: <20110723123948.573545817@linutronix.de> Content-Disposition: inline; filename=mips-mark-cascade-interrupts-nothread.patch X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 X-archive-position: 30695 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: tglx@linutronix.de Precedence: bulk X-list: linux-mips Return-Path: X-Keywords: X-UID: 16788 From: Wu Zhangjin 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 Signed-off-by: Thomas Gleixner --- 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))