1 files changed, 6 insertions, 1 deletions

diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h
index 7d6058a2fd3..be399e207d5 100644
--- a/arch/x86/kvm/irq.h
+++ b/arch/x86/kvm/irq.h
@@ -71,6 +71,7 @@ struct kvm_pic {
         int output;             /* intr from master PIC */
         struct kvm_io_device dev;
         void (*ack_notifier)(void *opaque, int irq);
+        unsigned long irq_states[16];
 };
 
 struct kvm_pic *kvm_create_pic(struct kvm *kvm);
@@ -85,7 +86,11 @@ static inline struct kvm_pic *pic_irqchip(struct kvm *kvm)
 
 static inline int irqchip_in_kernel(struct kvm *kvm)
 {
-        return pic_irqchip(kvm) != NULL;
+        int ret;
+
+        ret = (pic_irqchip(kvm) != NULL);
+        smp_rmb();
+        return ret;
 }
 
 void kvm_pic_reset(struct kvm_kpic_state *s);