1 files changed, 1 insertions, 0 deletions

diff --git a/virt/kvm/coalesced_mmio.h b/virt/kvm/coalesced_mmio.h
index 5ac0ec628461..4b49f27fa31e 100644
--- a/virt/kvm/coalesced_mmio.h
+++ b/virt/kvm/coalesced_mmio.h
@@ -12,6 +12,7 @@
 struct kvm_coalesced_mmio_dev {
         struct kvm_io_device dev;
         struct kvm *kvm;
+        spinlock_t lock;
         int nb_zones;
         struct kvm_coalesced_mmio_zone zone[KVM_COALESCED_MMIO_ZONE_MAX];
 };