diff options
Diffstat (limited to 'virt/kvm/irq_comm.c')
| -rw-r--r-- | virt/kvm/irq_comm.c | 32 |
1 files changed, 5 insertions, 27 deletions
diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c index 22aae8fd146b..7118be0f2f2c 100644 --- a/virt/kvm/irq_comm.c +++ b/virt/kvm/irq_comm.c @@ -33,26 +33,12 @@ #include "ioapic.h" -static inline int kvm_irq_line_state(unsigned long *irq_state, - int irq_source_id, int level) -{ - /* Logical OR for level trig interrupt */ - if (level) - set_bit(irq_source_id, irq_state); - else - clear_bit(irq_source_id, irq_state); - - return !!(*irq_state); -} - static int kvm_set_pic_irq(struct kvm_kernel_irq_routing_entry *e, struct kvm *kvm, int irq_source_id, int level) { #ifdef CONFIG_X86 struct kvm_pic *pic = pic_irqchip(kvm); - level = kvm_irq_line_state(&pic->irq_states[e->irqchip.pin], - irq_source_id, level); - return kvm_pic_set_irq(pic, e->irqchip.pin, level); + return kvm_pic_set_irq(pic, e->irqchip.pin, irq_source_id, level); #else return -1; #endif @@ -62,10 +48,7 @@ static int kvm_set_ioapic_irq(struct kvm_kernel_irq_routing_entry *e, struct kvm *kvm, int irq_source_id, int level) { struct kvm_ioapic *ioapic = kvm->arch.vioapic; - level = kvm_irq_line_state(&ioapic->irq_states[e->irqchip.pin], - irq_source_id, level); - - return kvm_ioapic_set_irq(ioapic, e->irqchip.pin, level); + return kvm_ioapic_set_irq(ioapic, e->irqchip.pin, irq_source_id, level); } inline static bool kvm_is_dm_lowest_prio(struct kvm_lapic_irq *irq) @@ -249,8 +232,6 @@ unlock: void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id) { - int i; - ASSERT(irq_source_id != KVM_USERSPACE_IRQ_SOURCE_ID); mutex_lock(&kvm->irq_lock); @@ -263,14 +244,10 @@ void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id) if (!irqchip_in_kernel(kvm)) goto unlock; - for (i = 0; i < KVM_IOAPIC_NUM_PINS; i++) { - clear_bit(irq_source_id, &kvm->arch.vioapic->irq_states[i]); - if (i >= 16) - continue; + kvm_ioapic_clear_all(kvm->arch.vioapic, irq_source_id); #ifdef CONFIG_X86 - clear_bit(irq_source_id, &pic_irqchip(kvm)->irq_states[i]); + kvm_pic_clear_all(pic_irqchip(kvm), irq_source_id); #endif - } unlock: mutex_unlock(&kvm->irq_lock); } @@ -332,6 +309,7 @@ static int setup_routing_entry(struct kvm_irq_routing_table *rt, */ hlist_for_each_entry(ei, n, &rt->map[ue->gsi], link) if (ei->type == KVM_IRQ_ROUTING_MSI || + ue->type == KVM_IRQ_ROUTING_MSI || ue->u.irqchip.irqchip == ei->irqchip.irqchip) return r; |