*/
static struct irqaction fpu_irq = {
.handler = math_error_irq,
- .mask = CPU_MASK_NONE,
.name = "fpu",
};
*/
static struct irqaction irq2 = {
.handler = no_action,
- .mask = CPU_MASK_NONE,
.name = "cascade",
};
return 0;
}
-/* Overridden in paravirt.c */
-void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
-
-void __init native_init_IRQ(void)
+static void __init smp_intr_init(void)
{
- int i;
-
- /* Execute any quirks before the call gates are initialised: */
- x86_quirk_pre_intr_init();
-
- /*
- * Cover the whole vector space, no vector can escape
- * us. (some of these will be overridden and become
- * 'special' SMP interrupts)
- */
- for (i = FIRST_EXTERNAL_VECTOR; i < NR_VECTORS; i++) {
- /* SYSCALL_VECTOR was reserved in trap_init. */
- if (i != SYSCALL_VECTOR)
- set_intr_gate(i, interrupt[i-FIRST_EXTERNAL_VECTOR]);
- }
-
-
#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_SMP)
/*
* The reschedule interrupt is a CPU-to-CPU reschedule-helper
set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt);
set_bit(IRQ_MOVE_CLEANUP_VECTOR, used_vectors);
#endif
+}
+
+static void __init apic_intr_init(void)
+{
+ smp_intr_init();
#ifdef CONFIG_X86_LOCAL_APIC
/* 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);
-#endif
+# ifdef CONFIG_PERF_COUNTERS
+ alloc_intr_gate(LOCAL_PERF_VECTOR, perf_counter_interrupt);
+ alloc_intr_gate(LOCAL_PENDING_VECTOR, perf_pending_interrupt);
+# endif
-#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_MCE_P4THERMAL)
+# ifdef CONFIG_X86_MCE_P4THERMAL
/* thermal monitor LVT interrupt */
alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
+# endif
#endif
+}
+
+/* Overridden in paravirt.c */
+void init_IRQ(void) __attribute__((weak, alias("native_init_IRQ")));
+
+void __init native_init_IRQ(void)
+{
+ int i;
+
+ /* Execute any quirks before the call gates are initialised: */
+ x86_quirk_pre_intr_init();
+
+ apic_intr_init();
+
+ /*
+ * Cover the whole vector space, no vector can escape
+ * us. (some of these will be overridden and become
+ * 'special' SMP interrupts)
+ */
+ for (i = 0; i < (NR_VECTORS - FIRST_EXTERNAL_VECTOR); i++) {
+ int vector = FIRST_EXTERNAL_VECTOR + i;
+ /* SYSCALL_VECTOR was reserved in trap_init. */
+ if (!test_bit(vector, used_vectors))
+ set_intr_gate(vector, interrupt[i]);
+ }
if (!acpi_ioapic)
setup_irq(2, &irq2);