diff options
Diffstat (limited to 'arch/x86/kernel/irqinit_32.c')
-rw-r--r-- | arch/x86/kernel/irqinit_32.c | 36 |
1 files changed, 28 insertions, 8 deletions
diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c index 10a09c2f1828..50b8c3a3006c 100644 --- a/arch/x86/kernel/irqinit_32.c +++ b/arch/x86/kernel/irqinit_32.c | |||
@@ -18,7 +18,7 @@ | |||
18 | #include <asm/pgtable.h> | 18 | #include <asm/pgtable.h> |
19 | #include <asm/desc.h> | 19 | #include <asm/desc.h> |
20 | #include <asm/apic.h> | 20 | #include <asm/apic.h> |
21 | #include <asm/arch_hooks.h> | 21 | #include <asm/setup.h> |
22 | #include <asm/i8259.h> | 22 | #include <asm/i8259.h> |
23 | #include <asm/traps.h> | 23 | #include <asm/traps.h> |
24 | 24 | ||
@@ -78,6 +78,15 @@ void __init init_ISA_irqs(void) | |||
78 | } | 78 | } |
79 | } | 79 | } |
80 | 80 | ||
81 | /* | ||
82 | * IRQ2 is cascade interrupt to second interrupt controller | ||
83 | */ | ||
84 | static struct irqaction irq2 = { | ||
85 | .handler = no_action, | ||
86 | .mask = CPU_MASK_NONE, | ||
87 | .name = "cascade", | ||
88 | }; | ||
89 | |||
81 | DEFINE_PER_CPU(vector_irq_t, vector_irq) = { | 90 | DEFINE_PER_CPU(vector_irq_t, vector_irq) = { |
82 | [0 ... IRQ0_VECTOR - 1] = -1, | 91 | [0 ... IRQ0_VECTOR - 1] = -1, |
83 | [IRQ0_VECTOR] = 0, | 92 | [IRQ0_VECTOR] = 0, |
@@ -118,8 +127,8 @@ void __init native_init_IRQ(void) | |||
118 | { | 127 | { |
119 | int i; | 128 | int i; |
120 | 129 | ||
121 | /* all the set up before the call gates are initialised */ | 130 | /* Execute any quirks before the call gates are initialised: */ |
122 | pre_intr_init_hook(); | 131 | x86_quirk_pre_intr_init(); |
123 | 132 | ||
124 | /* | 133 | /* |
125 | * Cover the whole vector space, no vector can escape | 134 | * Cover the whole vector space, no vector can escape |
@@ -140,8 +149,15 @@ void __init native_init_IRQ(void) | |||
140 | */ | 149 | */ |
141 | alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt); | 150 | alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt); |
142 | 151 | ||
143 | /* IPI for invalidation */ | 152 | /* IPIs for invalidation */ |
144 | alloc_intr_gate(INVALIDATE_TLB_VECTOR, invalidate_interrupt); | 153 | alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+0, invalidate_interrupt0); |
154 | alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+1, invalidate_interrupt1); | ||
155 | alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+2, invalidate_interrupt2); | ||
156 | alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+3, invalidate_interrupt3); | ||
157 | alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+4, invalidate_interrupt4); | ||
158 | alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+5, invalidate_interrupt5); | ||
159 | alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+6, invalidate_interrupt6); | ||
160 | alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+7, invalidate_interrupt7); | ||
145 | 161 | ||
146 | /* IPI for generic function call */ | 162 | /* IPI for generic function call */ |
147 | alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt); | 163 | alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt); |
@@ -169,10 +185,14 @@ void __init native_init_IRQ(void) | |||
169 | alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt); | 185 | alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt); |
170 | #endif | 186 | #endif |
171 | 187 | ||
172 | /* setup after call gates are initialised (usually add in | 188 | if (!acpi_ioapic) |
173 | * the architecture specific gates) | 189 | setup_irq(2, &irq2); |
190 | |||
191 | /* | ||
192 | * Call quirks after call gates are initialised (usually add in | ||
193 | * the architecture specific gates): | ||
174 | */ | 194 | */ |
175 | intr_init_hook(); | 195 | x86_quirk_intr_init(); |
176 | 196 | ||
177 | /* | 197 | /* |
178 | * External FPU? Set up irq13 if so, for | 198 | * External FPU? Set up irq13 if so, for |