diff options
Diffstat (limited to 'arch/x86/kernel/irqinit_64.c')
| -rw-r--r-- | arch/x86/kernel/irqinit_64.c | 44 |
1 files changed, 29 insertions, 15 deletions
diff --git a/arch/x86/kernel/irqinit_64.c b/arch/x86/kernel/irqinit_64.c index 64bc0f14285..31f49e8f46a 100644 --- a/arch/x86/kernel/irqinit_64.c +++ b/arch/x86/kernel/irqinit_64.c @@ -34,6 +34,20 @@ * interrupt-controller happy. */ +#define IRQ_NAME2(nr) nr##_interrupt(void) +#define IRQ_NAME(nr) IRQ_NAME2(IRQ##nr) + +/* + * SMP has a few special interrupts for IPI messages + */ + +#define BUILD_IRQ(nr) \ + asmlinkage void IRQ_NAME(nr); \ + asm("\n.p2align\n" \ + "IRQ" #nr "_interrupt:\n\t" \ + "push $~(" #nr ") ; " \ + "jmp common_interrupt"); + #define BI(x,y) \ BUILD_IRQ(x##y) @@ -170,33 +184,33 @@ void __init native_init_IRQ(void) * The reschedule interrupt is a CPU-to-CPU reschedule-helper * IPI, driven by wakeup. */ - set_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt); + alloc_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt); /* IPIs for invalidation */ - set_intr_gate(INVALIDATE_TLB_VECTOR_START+0, invalidate_interrupt0); - set_intr_gate(INVALIDATE_TLB_VECTOR_START+1, invalidate_interrupt1); - set_intr_gate(INVALIDATE_TLB_VECTOR_START+2, invalidate_interrupt2); - set_intr_gate(INVALIDATE_TLB_VECTOR_START+3, invalidate_interrupt3); - set_intr_gate(INVALIDATE_TLB_VECTOR_START+4, invalidate_interrupt4); - set_intr_gate(INVALIDATE_TLB_VECTOR_START+5, invalidate_interrupt5); - set_intr_gate(INVALIDATE_TLB_VECTOR_START+6, invalidate_interrupt6); - set_intr_gate(INVALIDATE_TLB_VECTOR_START+7, invalidate_interrupt7); + 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 */ - set_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt); + alloc_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt); /* Low priority IPI to cleanup after moving an irq */ set_intr_gate(IRQ_MOVE_CLEANUP_VECTOR, irq_move_cleanup_interrupt); #endif - set_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt); - set_intr_gate(THRESHOLD_APIC_VECTOR, threshold_interrupt); + alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt); + alloc_intr_gate(THRESHOLD_APIC_VECTOR, threshold_interrupt); /* self generated IPI for local APIC timer */ - set_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt); + alloc_intr_gate(LOCAL_TIMER_VECTOR, apic_timer_interrupt); /* IPI vectors for APIC spurious and error interrupts */ - set_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt); - set_intr_gate(ERROR_APIC_VECTOR, error_interrupt); + alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt); + alloc_intr_gate(ERROR_APIC_VECTOR, error_interrupt); if (!acpi_ioapic) setup_irq(2, &irq2); |