These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / virt / kvm / vfio.c

diff --git a/kernel/virt/kvm/vfio.c b/kernel/virt/kvm/vfio.c
index 620e37f..1dd087d 100644 (file)
--- a/kernel/virt/kvm/vfio.c
+++ b/kernel/virt/kvm/vfio.c
@@ -155,6 +155,8 @@ static int kvm_vfio_set_group(struct kvm_device *dev, long attr, u64 arg)
                list_add_tail(&kvg->node, &kv->group_list);
                kvg->vfio_group = vfio_group;
 
+               kvm_arch_start_assignment(dev->kvm);
+
                mutex_unlock(&kv->lock);
 
                kvm_vfio_update_coherency(dev);
@@ -190,6 +192,8 @@ static int kvm_vfio_set_group(struct kvm_device *dev, long attr, u64 arg)
                        break;
                }
 
+               kvm_arch_end_assignment(dev->kvm);
+
                mutex_unlock(&kv->lock);
 
                kvm_vfio_group_put_external_user(vfio_group);
@@ -239,6 +243,7 @@ static void kvm_vfio_destroy(struct kvm_device *dev)
                kvm_vfio_group_put_external_user(kvg->vfio_group);
                list_del(&kvg->node);
                kfree(kvg);
+               kvm_arch_end_assignment(dev->kvm);
        }
 
        kvm_vfio_update_coherency(dev);