1 files changed, 31 insertions, 8 deletions

diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c
index 10a09c2f1828..bc1326105448 100644
--- a/arch/x86/kernel/irqinit_32.c
+++ b/arch/x86/kernel/irqinit_32.c
@@ -18,7 +18,7 @@
 #include <asm/pgtable.h>
 #include <asm/desc.h>
 #include <asm/apic.h>
-#include <asm/arch_hooks.h>
+#include <asm/setup.h>
 #include <asm/i8259.h>
 #include <asm/traps.h>
 
@@ -78,6 +78,15 @@ void __init init_ISA_irqs(void)
         }
 }
 
+/*
+ * IRQ2 is cascade interrupt to second interrupt controller
+ */
+static struct irqaction irq2 = {
+        .handler = no_action,
+        .mask = CPU_MASK_NONE,
+        .name = "cascade",
+};
+
 DEFINE_PER_CPU(vector_irq_t, vector_irq) = {
         [0 ... IRQ0_VECTOR - 1] = -1,
         [IRQ0_VECTOR] = 0,
@@ -118,8 +127,8 @@ void __init native_init_IRQ(void)
 {
         int i;
 
-        /* all the set up before the call gates are initialised */
-        pre_intr_init_hook();
+        /* Execute any quirks before the call gates are initialised: */
+        x86_quirk_pre_intr_init();
 
         /*
          * Cover the whole vector space, no vector can escape
@@ -140,8 +149,15 @@ void __init native_init_IRQ(void)
          */
         alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
 
-        /* IPI for invalidation */
-        alloc_intr_gate(INVALIDATE_TLB_VECTOR, invalidate_interrupt);
+        /* IPIs for invalidation */
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+0, invalidate_interrupt0);
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+1, invalidate_interrupt1);
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+2, invalidate_interrupt2);
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+3, invalidate_interrupt3);
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+4, invalidate_interrupt4);
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+5, invalidate_interrupt5);
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+6, invalidate_interrupt6);
+        alloc_intr_gate(INVALIDATE_TLB_VECTOR_START+7, invalidate_interrupt7);
 
         /* IPI for generic function call */
         alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
@@ -159,6 +175,9 @@ void __init native_init_IRQ(void)
         /* self generated IPI for local APIC timer */
         alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
 
+        /* generic IPI for platform specific use */
+        alloc_intr_gate(GENERIC_INTERRUPT_VECTOR, generic_interrupt);
+
         /* IPI vectors for APIC spurious and error interrupts */
         alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt);
         alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt);
@@ -169,10 +188,14 @@ void __init native_init_IRQ(void)
         alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
 #endif
 
-        /* setup after call gates are initialised (usually add in
-         * the architecture specific gates)
+        if (!acpi_ioapic)
+                setup_irq(2, &irq2);
+
+        /*
+         * Call quirks after call gates are initialised (usually add in
+         * the architecture specific gates):
          */
-        intr_init_hook();
+        x86_quirk_intr_init();
 
         /*
          * External FPU? Set up irq13 if so, for