Virtualization - Aug 2021 - [PATCH v2 5/6] vdpa/mlx5: Add support for control VQ and MAC setting

? 2021/8/19 ??3:24, Eli Cohen ??:
>>>>> +	vringh_set_iotlb(&mvdev->cvq.vring,
mvdev->cvq.iotlb, &mvdev->cvq.iommu_lock);
>>>>> +	err = iova_cache_get();
>>>> Any reason for using iova cache here?
>>> Isn't it required? Aren't we allocating buffers for the CVQ
from
>>> iommu_iova kmem cache?
>> I may miss something here but which buffer did you refer here?
>>
> Aren't the data buffers for the control VQ allocated from this cache?

Sorry, but you mean the buffer managed by the virtio-net or the mlx5e here?

Thanks

>