diff options
Diffstat (limited to 'arch/x86/kvm/irq_comm.c')
| -rw-r--r-- | arch/x86/kvm/irq_comm.c | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c index 6c0191615f23..b96d3893f121 100644 --- a/arch/x86/kvm/irq_comm.c +++ b/arch/x86/kvm/irq_comm.c @@ -41,15 +41,6 @@ static int kvm_set_pic_irq(struct kvm_kernel_irq_routing_entry *e, bool line_status) { struct kvm_pic *pic = pic_irqchip(kvm); - - /* - * XXX: rejecting pic routes when pic isn't in use would be better, - * but the default routing table is installed while kvm->arch.vpic is - * NULL and KVM_CREATE_IRQCHIP can race with KVM_IRQ_LINE. - */ - if (!pic) - return -1; - return kvm_pic_set_irq(pic, e->irqchip.pin, irq_source_id, level); } @@ -58,10 +49,6 @@ static int kvm_set_ioapic_irq(struct kvm_kernel_irq_routing_entry *e, bool line_status) { struct kvm_ioapic *ioapic = kvm->arch.vioapic; - - if (!ioapic) - return -1; - return kvm_ioapic_set_irq(ioapic, e->irqchip.pin, irq_source_id, level, line_status); } @@ -297,16 +284,20 @@ int kvm_set_routing_entry(struct kvm *kvm, case KVM_IRQ_ROUTING_IRQCHIP: delta = 0; switch (ue->u.irqchip.irqchip) { - case KVM_IRQCHIP_PIC_MASTER: - e->set = kvm_set_pic_irq; - max_pin = PIC_NUM_PINS; - break; case KVM_IRQCHIP_PIC_SLAVE: + delta = 8; + /* fall through */ + case KVM_IRQCHIP_PIC_MASTER: + if (!pic_in_kernel(kvm)) + goto out; + e->set = kvm_set_pic_irq; max_pin = PIC_NUM_PINS; - delta = 8; break; case KVM_IRQCHIP_IOAPIC: + if (!ioapic_in_kernel(kvm)) + goto out; + max_pin = KVM_IOAPIC_NUM_PINS; e->set = kvm_set_ioapic_irq; break; @@ -409,7 +400,7 @@ int kvm_setup_empty_irq_routing(struct kvm *kvm) void kvm_arch_post_irq_routing_update(struct kvm *kvm) { - if (ioapic_in_kernel(kvm) || !irqchip_in_kernel(kvm)) + if (!irqchip_split(kvm)) return; kvm_make_scan_ioapic_request(kvm); } |