1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
From 5e94653c0460d73420f12341b97ff6475bb255a5 Mon Sep 17 00:00:00 2001
From: Wu Zhangjin <wuzhangjin@gmail.com>
Date: Wed, 10 Mar 2010 02:27:12 +0800
Subject: [PATCH] RT: MIPS: Un-thread several interrupts
commit cb7a435c2211b301598ded1ae051138b077b6eb9 in tip.
This patch un-thread all of the interrupts whose handler is no_action,
which can return quickly, and also, several other interrupts, such as
bus error interrupt, halt interrupt, for they are urgent to the system,
to un-thread them too.
Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
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/nxp/pnx8550/common/int.c | 2 +-
arch/mips/pmc-sierra/msp71xx/msp_irq.c | 5 +++--
arch/mips/sgi-ip22/ip22-int.c | 10 +++++-----
arch/mips/sni/rm200.c | 1 +
arch/mips/vr41xx/common/irq.c | 1 +
12 files changed, 25 insertions(+), 12 deletions(-)
diff --git a/arch/mips/ar7/irq.c b/arch/mips/ar7/irq.c
index c781556..fce30ee 100644
--- a/arch/mips/ar7/irq.c
+++ b/arch/mips/ar7/irq.c
@@ -97,7 +97,8 @@ 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_NODELAY,
};
static void __init ar7_irq_init(int base)
diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c
index a0c5cd1..3e60c93 100644
--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -234,6 +234,7 @@ static struct irq_chip bcm63xx_external_irq_chip = {
static struct irqaction cpu_ip2_cascade_action = {
.handler = no_action,
.name = "cascade_ip2",
+ .flags = IRQF_NODELAY,
};
void __init arch_init_irq(void)
diff --git a/arch/mips/cobalt/irq.c b/arch/mips/cobalt/irq.c
index cb9bf82..0cbd3b6 100644
--- a/arch/mips/cobalt/irq.c
+++ b/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_NODELAY,
};
void __init arch_init_irq(void)
diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c
index bd5431e..61b8d9c 100644
--- a/arch/mips/dec/setup.c
+++ b/arch/mips/dec/setup.c
@@ -100,20 +100,24 @@ int cpu_fpu_mask = DEC_CPU_IRQ_MASK(DEC_CPU_INR_FPU);
static struct irqaction ioirq = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NODELAY,
};
static struct irqaction fpuirq = {
.handler = no_action,
.name = "fpu",
+ .flags = IRQF_NODELAY,
};
static struct irqaction busirq = {
.flags = IRQF_DISABLED,
.name = "bus error",
+ .flags = IRQF_NODELAY,
};
static struct irqaction haltirq = {
.handler = dec_intr_halt,
.name = "halt",
+ .flags = IRQF_NODELAY,
};
diff --git a/arch/mips/emma/markeins/irq.c b/arch/mips/emma/markeins/irq.c
index 9504b7e..acf3ca9 100644
--- a/arch/mips/emma/markeins/irq.c
+++ b/arch/mips/emma/markeins/irq.c
@@ -182,7 +182,7 @@ void emma2rh_gpio_irq_init(void)
static struct irqaction irq_cascade = {
.handler = no_action,
- .flags = 0,
+ .flags = IRQF_NODELAY,
.name = "cascade",
.dev_id = NULL,
.next = NULL,
diff --git a/arch/mips/lasat/interrupt.c b/arch/mips/lasat/interrupt.c
index 1353fb1..c8a4e0e 100644
--- a/arch/mips/lasat/interrupt.c
+++ b/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_NODELAY,
};
void __init arch_init_irq(void)
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index 15949b0..1e9a7c1 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -349,12 +349,14 @@ unsigned int plat_ipi_resched_int_xlate(unsigned int cpu)
static struct irqaction i8259irq = {
.handler = no_action,
- .name = "XT-PIC cascade"
+ .name = "XT-PIC cascade",
+ .flags = IRQF_NODELAY,
};
static struct irqaction corehi_irqaction = {
.handler = no_action,
- .name = "CoreHi"
+ .name = "CoreHi",
+ .flags = IRQF_NODELAY,
};
static msc_irqmap_t __initdata msc_irqmap[] = {
diff --git a/arch/mips/nxp/pnx8550/common/int.c b/arch/mips/nxp/pnx8550/common/int.c
index cfed505..13ff03b 100644
--- a/arch/mips/nxp/pnx8550/common/int.c
+++ b/arch/mips/nxp/pnx8550/common/int.c
@@ -165,7 +165,7 @@ static struct irq_chip level_irq_type = {
static struct irqaction gic_action = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NODELAY,
.name = "GIC",
};
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq.c b/arch/mips/pmc-sierra/msp71xx/msp_irq.c
index 734d598..704a60b 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_irq.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq.c
@@ -97,8 +97,9 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
}
static struct irqaction cascade_msp = {
- .handler = no_action,
- .name = "MSP cascade"
+ .handler= no_action,
+ .name = "MSP cascade",
+ .flags = IRQF_NODELAY,
};
diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c
index 383f11d..18b1a24 100644
--- a/arch/mips/sgi-ip22/ip22-int.c
+++ b/arch/mips/sgi-ip22/ip22-int.c
@@ -163,32 +163,32 @@ static void __irq_entry indy_buserror_irq(void)
static struct irqaction local0_cascade = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NODELAY,
.name = "local0 cascade",
};
static struct irqaction local1_cascade = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NODELAY,
.name = "local1 cascade",
};
static struct irqaction buserr = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NODELAY,
.name = "Bus Error",
};
static struct irqaction map0_cascade = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NODELAY,
.name = "mapable0 cascade",
};
#ifdef USE_LIO3_IRQ
static struct irqaction map1_cascade = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NODELAY,
.name = "mapable1 cascade",
};
#define SGI_INTERRUPTS SGINT_END
diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c
index 90c558f..2bd0232 100644
--- a/arch/mips/sni/rm200.c
+++ b/arch/mips/sni/rm200.c
@@ -361,6 +361,7 @@ void sni_rm200_init_8259A(void)
static struct irqaction sni_rm200_irq2 = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NODELAY,
};
static struct resource sni_rm200_pic1_resource = {
diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c
index bef0687..e16b1c8 100644
--- a/arch/mips/vr41xx/common/irq.c
+++ b/arch/mips/vr41xx/common/irq.c
@@ -33,6 +33,7 @@ static irq_cascade_t irq_cascade[NR_IRQS] __cacheline_aligned;
static struct irqaction cascade_irqaction = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NODELAY,
};
int cascade_irq(unsigned int irq, int (*get_irq)(unsigned int))
--
1.7.0.4
|
