On Fri, Aug 14, 2015 at 02:29:51AM +0000, Ouyang, Changchun wrote: > > -----Original Message----- > > From: Flavio Leitner [mailto:fbl at sysclose.org] > > Sent: Thursday, August 13, 2015 8:52 PM > > To: Ouyang, Changchun > > Cc: dev at dpdk.org > > Subject: Re: [dpdk-dev] [PATCH v4 02/12] vhost: support multiple queues in > > virtio dev > > > > On Wed, Aug 12, 2015 at 04:02:37PM +0800, Ouyang Changchun wrote: > > > file.index = pmsg->payload.u64 & VHOST_USER_VRING_IDX_MASK; > > > + cur_qp_idx = file.index >> 1; > > > + > > > + if (dev->virt_qp_nb < cur_qp_idx + 1) { > > > + if (alloc_vring_queue_pair(dev, cur_qp_idx) == 0) > > > + dev->virt_qp_nb = cur_qp_idx + 1; > > > > Looks like it is missing vring initialization here. > > > > if (dev->virt_qp_nb < cur_qp_idx + 1) { > > if (alloc_vring_queue_pair(dev, cur_qp_idx) == 0) { > > dev->virt_qp_nb = cur_qp_idx + 1; > > init_vring_queue_pair(dev, cur_qp_idx); > > I have called the init_vring_queue_pair inside function > alloc_vring_queue_pair, > It has same effect as your suggestion.
Yup, I missed that. Thanks! fbl