diff options
Diffstat (limited to 'arch/x86/kernel/irqinit.c')
| -rw-r--r-- | arch/x86/kernel/irqinit.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c index 7dc4e459c2b..7f50156542f 100644 --- a/arch/x86/kernel/irqinit.c +++ b/arch/x86/kernel/irqinit.c @@ -52,7 +52,7 @@ static struct irqaction irq2 = { }; DEFINE_PER_CPU(vector_irq_t, vector_irq) = { - [0 ... NR_VECTORS - 1] = -1, + [0 ... NR_VECTORS - 1] = VECTOR_UNDEFINED, }; int vector_used_by_percpu_irq(unsigned int vector) @@ -60,7 +60,7 @@ int vector_used_by_percpu_irq(unsigned int vector) int cpu; for_each_online_cpu(cpu) { - if (per_cpu(vector_irq, cpu)[vector] != -1) + if (per_cpu(vector_irq, cpu)[vector] > VECTOR_UNDEFINED) return 1; } @@ -172,6 +172,10 @@ static void __init apic_intr_init(void) /* IPI for X86 platform specific use */ alloc_intr_gate(X86_PLATFORM_IPI_VECTOR, x86_platform_ipi); +#ifdef CONFIG_HAVE_KVM + /* IPI for KVM to deliver posted interrupt */ + alloc_intr_gate(POSTED_INTR_VECTOR, kvm_posted_intr_ipi); +#endif /* IPI vectors for APIC spurious and error interrupts */ alloc_intr_gate(SPURIOUS_APIC_VECTOR, spurious_interrupt); |