Linhaifeng <haifeng....@huawei.com> writes:
> Hi,
>
> I'm a newbie and have a question about vring_new_virtqueue function.
>
> Why we set avail->flags to VRING_AVAIL_F_NO_INTERRUPT when no callbacks?
> I think we should set avail->flags to VRING_AVAIL_F_NO_INTERRUPT even if no
> callbacks.
Hi Linhaifeng,
Not sure I understand your question, but I'll try to answer.
We don't set VRING_AVAIL_F_NO_INTERRUPT if there's a callback because we
want that callback called. Otherwise callback will never be used.
Cheers,
Rusty.
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