kvm: enable smp > 1

Process INIT/SIPI requests and enable -smp > 1.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/kvm.h b/kvm.h
index 70bfbf8..5071a31 100644
--- a/kvm.h
+++ b/kvm.h
@@ -90,6 +90,8 @@
 
 int kvm_arch_pre_run(CPUState *env, struct kvm_run *run);
 
+int kvm_arch_process_irqchip_events(CPUState *env);
+
 int kvm_arch_get_registers(CPUState *env);
 
 /* state subset only touched by the VCPU itself during runtime */