On Tue, Sep 20, 2016 at 04:56:35PM +0000, Salil Mehta wrote: > > > > -----Original Message----- > > From: Leon Romanovsky [mailto:leon@xxxxxxxxxx] > > Sent: Thursday, September 15, 2016 11:13 AM > > To: Salil Mehta > > Cc: dledford@xxxxxxxxxx; Huwei (Xavier); oulijun; Zhuangyuzeng (Yisen); > > xuwei (O); mehta.salil.lnk@xxxxxxxxx; linux-rdma@xxxxxxxxxxxxxxx; > > linux-kernel@xxxxxxxxxxxxxxx; 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 <oulijun@xxxxxxxxxx> > > > > > > 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 <oulijun@xxxxxxxxxx> > > > Reviewed-by: Wei Hu (Xavier) <xavier.huwei@xxxxxxxxxx> > > > Signed-off-by: Salil Mehta <salil.mehta@xxxxxxxxxx> > > > --- > > > 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. > > 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 majordomo@xxxxxxxxxxxxxxx > > > More majordomo info at http://vger.kernel.org/majordomo-info.html
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