x86_init.irqs.intr_init();
}
-/*
- * Setup the vector to irq mappings.
- */
-void setup_vector_irq(int cpu)
-{
-#ifndef CONFIG_X86_IO_APIC
- int irq;
-
- /*
- * On most of the platforms, legacy PIC delivers the interrupts on the
- * boot cpu. But there are certain platforms where PIC interrupts are
- * delivered to multiple cpu's. If the legacy IRQ is handled by the
- * legacy PIC, for the new cpu that is coming online, setup the static
- * legacy vector to irq mapping:
- */
- for (irq = 0; irq < nr_legacy_irqs(); irq++)
- per_cpu(vector_irq, cpu)[IRQ0_VECTOR + irq] = irq;
-#endif
-
- __setup_vector_irq(cpu);
-}
-
static void __init smp_intr_init(void)
{
#ifdef CONFIG_SMP
-#if defined(CONFIG_X86_64) || defined(CONFIG_X86_LOCAL_APIC)
/*
* The reschedule interrupt is a CPU-to-CPU reschedule-helper
* IPI, driven by wakeup.
/* IPI used for rebooting/stopping */
alloc_intr_gate(REBOOT_VECTOR, reboot_interrupt);
-#endif
#endif /* CONFIG_SMP */
}
alloc_intr_gate(THRESHOLD_APIC_VECTOR, threshold_interrupt);
#endif
-#if defined(CONFIG_X86_64) || defined(CONFIG_X86_LOCAL_APIC)
+#ifdef CONFIG_X86_LOCAL_APIC
/* self generated IPI for local APIC timer */
alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt);
* 'special' SMP interrupts)
*/
i = FIRST_EXTERNAL_VECTOR;
- for_each_clear_bit_from(i, used_vectors, NR_VECTORS) {
+#ifndef CONFIG_X86_LOCAL_APIC
+#define first_system_vector NR_VECTORS
+#endif
+ for_each_clear_bit_from(i, used_vectors, first_system_vector) {
/* IA32_SYSCALL_VECTOR could be used in trap_init already. */
set_intr_gate(i, interrupt[i - FIRST_EXTERNAL_VECTOR]);
}
+#ifdef CONFIG_X86_LOCAL_APIC
+ for_each_clear_bit_from(i, used_vectors, NR_VECTORS)
+ set_intr_gate(i, spurious_interrupt);
+#endif
if (!acpi_ioapic && !of_ioapic && nr_legacy_irqs())
setup_irq(2, &irq2);