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virtio_transport
2023 Sep 04
0
[PATCH net-next v7 4/4] vsock/virtio: MSG_ZEROCOPY flag support
...case. Seems I didn't
>catch this problem with my tests, because there was no test case where
>zerocopy will fallback to copy!
>
>I'll fix it and add new test!
yep, I agree!
>
>>
>> Can we also mention in the commit description why this is need only for
>> virtio_tranport and not for vhost and loopback?
>>
>>> +??????? int pages_in_iov = iov_iter_npages(iov_iter, MAX_SKB_FRAGS);
>>> +??????? int pages_to_send = min(pages_in_iov, MAX_SKB_FRAGS);
>>> +
>>> +??????? return t_ops->can_msgzerocopy(pages_to_send);
>>>...