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KVM: Call kvm_apic_match_dest() to check destination vcpu

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For a given vcpu, kvm_apic_match_dest() will tell you whether
the vcpu in the destination list quickly. Drop kvm_calculate_eoi_exitmap()
and use kvm_apic_match_dest() instead.

Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
This commit is contained in:
Yang Zhang
2013-04-07 08:25:18 +08:00
committed by Gleb Natapov
parent 99437a2782
commit 44944d4d28
3 changed files with 3 additions and 57 deletions
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virt/kvm/ioapic.c
+3 -6
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@@ -124,7 +124,6 @@ void kvm_ioapic_calculate_eoi_exitmap(struct kvm_vcpu *vcpu,
{
struct kvm_ioapic *ioapic = vcpu->kvm->arch.vioapic;
union kvm_ioapic_redirect_entry *e;
struct kvm_lapic_irq irqe;
int index;
spin_lock(&ioapic->lock);
@@ -135,11 +134,9 @@ void kvm_ioapic_calculate_eoi_exitmap(struct kvm_vcpu *vcpu,
(e->fields.trig_mode == IOAPIC_LEVEL_TRIG ||
kvm_irq_has_notifier(ioapic->kvm, KVM_IRQCHIP_IOAPIC,
index))) {
irqe.dest_id = e->fields.dest_id;
irqe.vector = e->fields.vector;
irqe.dest_mode = e->fields.dest_mode;
irqe.delivery_mode = e->fields.delivery_mode << 8;
kvm_calculate_eoi_exitmap(vcpu, &irqe, eoi_exit_bitmap);
if (kvm_apic_match_dest(vcpu, NULL, 0,
e->fields.dest_id, e->fields.dest_mode))
__set_bit(e->fields.vector, (unsigned long *)eoi_exit_bitmap);
}
}
spin_unlock(&ioapic->lock);