> -----Original Message----- > From: linux-rdma-ow...@vger.kernel.org [mailto:linux-rdma- > ow...@vger.kernel.org] On Behalf Of Leon Romanovsky > Sent: Tuesday, September 20, 2016 6:06 PM > To: Salil Mehta > Cc: dledf...@redhat.com; Huwei (Xavier); oulijun; Zhuangyuzeng (Yisen); > xuwei (O); mehta.salil....@gmail.com; linux-r...@vger.kernel.org; > linux-kernel@vger.kernel.org; Linuxarm > Subject: Re: [PATCH for-next 18/20] IB/hns: Update the rq head when > modify qp state > > On Tue, Sep 20, 2016 at 04:56:35PM +0000, Salil Mehta wrote: > > > > > > > -----Original Message----- > > > From: Leon Romanovsky [mailto:l...@kernel.org] > > > Sent: Thursday, September 15, 2016 11:13 AM > > > To: Salil Mehta > > > Cc: dledf...@redhat.com; Huwei (Xavier); oulijun; Zhuangyuzeng > (Yisen); > > > xuwei (O); mehta.salil....@gmail.com; linux-r...@vger.kernel.org; > > > linux-kernel@vger.kernel.org; Linuxarm > > > Subject: Re: [PATCH for-next 18/20] IB/hns: Update the rq head when > > > modify qp state > > > > > > On Fri, Sep 09, 2016 at 06:30:49PM +0800, Salil Mehta wrote: > > > > From: Lijun Ou <ouli...@huawei.com> > > > > > > > > The rq head in qpc was zero will miss the rq wqes which > > > > have be sent, so here we should take the real value. > > > > > > > > Signed-off-by: Lijun Ou <ouli...@huawei.com> > > > > Reviewed-by: Wei Hu (Xavier) <xavier.hu...@huawei.com> > > > > Signed-off-by: Salil Mehta <salil.me...@huawei.com> > > > > --- > > > > drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 3 ++- > > > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > > > > > diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c > > > b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c > > > > index bdd9453..7a61d7e 100644 > > > > --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c > > > > +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c > > > > @@ -2266,7 +2266,8 @@ static int hns_roce_v1_m_qp(struct ib_qp > *ibqp, > > > const struct ib_qp_attr *attr, > > > > > > > > roce_set_field(context->qpc_bytes_68, > > > > QP_CONTEXT_QPC_BYTES_68_RQ_HEAD_M, > > > > - QP_CONTEXT_QPC_BYTES_68_RQ_HEAD_S, 0); > > > > + QP_CONTEXT_QPC_BYTES_68_RQ_HEAD_S, > > > > + hr_qp->rq.head); > > > > > > Are you sure that it should be list_head and not value? > > This is correct. Variable head is not list_head but a u32 value. > > Hope I understood your point correctly. > > Thanks, you understood me right. > The name "head" mislead me. > Sorry for that. No worries at all :)
Thanks Salil > > > > > Best regards > > Salil > > > > > > > roce_set_field(context->qpc_bytes_68, > > > > QP_CONTEXT_QPC_BYTES_68_RQ_CUR_INDEX_M, > > > > QP_CONTEXT_QPC_BYTES_68_RQ_CUR_INDEX_S, > 0); > > > > -- > > > > 1.7.9.5 > > > > > > > > -- > > > > To unsubscribe from this list: send the line "unsubscribe linux- > rdma" > > > in > > > > the body of a message to majord...@vger.kernel.org > > > > More majordomo info at http://vger.kernel.org/majordomo- > info.html
