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-rw-r--r--virt/kvm/vfio.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/virt/kvm/vfio.c b/virt/kvm/vfio.c
index 620e37f741b8..1dd087da6f31 100644
--- a/virt/kvm/vfio.c
+++ b/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);