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authorH. Peter Anvin <hpa@zytor.com>2010-02-22 16:20:34 -0800
committerH. Peter Anvin <hpa@zytor.com>2010-02-22 16:20:34 -0800
commitd02e30c31c57683a66ed68a1bcff900ca78f6d56 (patch)
treec3ce99a00061bcc1199b50fa838147d876c56717 /virt/kvm/irq_comm.c
parent0fdc7a8022c3eaff6b5ee27ffb9e913e5e58d8e9 (diff)
parentaef55d4922e62a0d887e60d87319f3718aec6ced (diff)
Merge branch 'x86/irq' into x86/apic
Merge reason: Conflicts in arch/x86/kernel/apic/io_apic.c Resolved Conflicts: arch/x86/kernel/apic/io_apic.c Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'virt/kvm/irq_comm.c')
-rw-r--r--virt/kvm/irq_comm.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c
index 9b077342ab54..9fd5b3ebc517 100644
--- a/virt/kvm/irq_comm.c
+++ b/virt/kvm/irq_comm.c
@@ -302,6 +302,7 @@ static int setup_routing_entry(struct kvm_irq_routing_table *rt,
{
int r = -EINVAL;
int delta;
+ unsigned max_pin;
struct kvm_kernel_irq_routing_entry *ei;
struct hlist_node *n;
@@ -322,12 +323,15 @@ static int setup_routing_entry(struct kvm_irq_routing_table *rt,
switch (ue->u.irqchip.irqchip) {
case KVM_IRQCHIP_PIC_MASTER:
e->set = kvm_set_pic_irq;
+ max_pin = 16;
break;
case KVM_IRQCHIP_PIC_SLAVE:
e->set = kvm_set_pic_irq;
+ max_pin = 16;
delta = 8;
break;
case KVM_IRQCHIP_IOAPIC:
+ max_pin = KVM_IOAPIC_NUM_PINS;
e->set = kvm_set_ioapic_irq;
break;
default:
@@ -335,7 +339,7 @@ static int setup_routing_entry(struct kvm_irq_routing_table *rt,
}
e->irqchip.irqchip = ue->u.irqchip.irqchip;
e->irqchip.pin = ue->u.irqchip.pin + delta;
- if (e->irqchip.pin >= KVM_IOAPIC_NUM_PINS)
+ if (e->irqchip.pin >= max_pin)
goto out;
rt->chip[ue->u.irqchip.irqchip][e->irqchip.pin] = ue->gsi;
break;