diff options
Diffstat (limited to 'virt/kvm/irq_comm.c')
| -rw-r--r-- | virt/kvm/irq_comm.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c index a228ee82bad2..175844593243 100644 --- a/virt/kvm/irq_comm.c +++ b/virt/kvm/irq_comm.c @@ -160,6 +160,7 @@ static int kvm_set_msi_inatomic(struct kvm_kernel_irq_routing_entry *e, */ int kvm_set_irq_inatomic(struct kvm *kvm, int irq_source_id, u32 irq, int level) { + struct kvm_kernel_irq_routing_entry entries[KVM_NR_IRQCHIPS]; struct kvm_kernel_irq_routing_entry *e; int ret = -EINVAL; struct kvm_irq_routing_table *irq_rt; @@ -177,14 +178,13 @@ int kvm_set_irq_inatomic(struct kvm *kvm, int irq_source_id, u32 irq, int level) */ idx = srcu_read_lock(&kvm->irq_srcu); irq_rt = srcu_dereference(kvm->irq_routing, &kvm->irq_srcu); - if (irq < irq_rt->nr_rt_entries) - hlist_for_each_entry(e, &irq_rt->map[irq], link) { - if (likely(e->type == KVM_IRQ_ROUTING_MSI)) - ret = kvm_set_msi_inatomic(e, kvm); - else - ret = -EWOULDBLOCK; - break; - } + if (kvm_irq_map_gsi(entries, irq_rt, irq) > 0) { + e = &entries[0]; + if (likely(e->type == KVM_IRQ_ROUTING_MSI)) + ret = kvm_set_msi_inatomic(e, kvm); + else + ret = -EWOULDBLOCK; + } srcu_read_unlock(&kvm->irq_srcu, idx); return ret; } @@ -272,8 +272,7 @@ void kvm_fire_mask_notifiers(struct kvm *kvm, unsigned irqchip, unsigned pin, srcu_read_unlock(&kvm->irq_srcu, idx); } -int kvm_set_routing_entry(struct kvm_irq_routing_table *rt, - struct kvm_kernel_irq_routing_entry *e, +int kvm_set_routing_entry(struct kvm_kernel_irq_routing_entry *e, const struct kvm_irq_routing_entry *ue) { int r = -EINVAL; @@ -304,7 +303,6 @@ int kvm_set_routing_entry(struct kvm_irq_routing_table *rt, e->irqchip.pin = ue->u.irqchip.pin + delta; if (e->irqchip.pin >= max_pin) goto out; - rt->chip[ue->u.irqchip.irqchip][e->irqchip.pin] = ue->gsi; break; case KVM_IRQ_ROUTING_MSI: e->set = kvm_set_msi; |