KVM: Remove irq_pending bitmap

Only one interrupt vector can be injected from userspace irqchip at
any given time so no need to store it in a bitmap. Put it into interrupt
queue directly.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/irq.c b/arch/x86/kvm/irq.c
index 11c2757..96dfbb6 100644
--- a/arch/x86/kvm/irq.c
+++ b/arch/x86/kvm/irq.c
@@ -50,7 +50,7 @@
 	struct kvm_pic *s;
 
 	if (!irqchip_in_kernel(v->kvm))
-		return v->arch.irq_summary;
+		return v->arch.interrupt.pending;
 
 	if (kvm_apic_has_interrupt(v) == -1) {	/* LAPIC */
 		if (kvm_apic_accept_pic_intr(v)) {
@@ -72,7 +72,7 @@
 	int vector;
 
 	if (!irqchip_in_kernel(v->kvm))
-		return kvm_pop_irq(v);
+		return v->arch.interrupt.nr;
 
 	vector = kvm_get_apic_interrupt(v);	/* APIC */
 	if (vector == -1) {