On 2019/11/20 下午5:17, Zhu Lingshan wrote:
+ + if (!strcmp(kobj->name, "ifcvf-virtio_mdev")) + mdev_virtio_set_class_id(mdev,MDEV_VIRTIO_CLASS_ID_VIRTIO); + + if (!strcmp(kobj->name, "ifcvf-vhost_mdev")) + mdev_virtio_set_class_id(mdev,MDEV_VIRTIO_CLASS_ID_VHOST); + + mdev_set_drvdata(mdev, adapter); + mdev_set_iommu_device(mdev_dev(mdev), dev); + adapter->mdev_count--; +
To avoid confusion, it's better to call mdev_set_iommu_device() only for the case of vhost. For virtio, it doesn't depends on that to work.
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