On Wed, Mar 29, 2017 at 06:53:27PM +0800, Jason Wang wrote:
>
>
> On 2017年03月29日 18:46, Pankaj Gupta wrote:
> > Hi Jason,
> >
> > > On 2017年03月23日 13:34, Jason Wang wrote:
> > > >
> > > > > > +{
> > > > > > + if (rvq->rh != rvq->rt)
> > > > > > + goto out;
> > > > > > +
> > > > > > + rvq->rh = rvq->rt = 0;
> > > > > > + rvq->rt = skb_array_consume_batched_bh(rvq->rx_array, rvq->rxq,
> > > > > > + VHOST_RX_BATCH);
> > > > > A comment explaining why is is -bh would be helpful.
> > > > Ok.
> > > >
> > > > Thanks
> > > Rethink about this. It looks like -bh is not needed in this case since
> > > no consumer run in bh.
> > In that case do we need other variants of "ptr_ring_consume_batched_*()"
> > functions.
> > Are we planning to use them in future?
>
> I think we'd better keep them, since it serves as helpers. You can see that
> not all the helpers in ptr_ring has real users, but they were prepared for
> the future use.
>
> Thanks
Makes sense for basic building blocks but I'm not sure we
need to do it for all APIs.
> >
> > > Thanks
> > >
