diff options
| author | Joachim Fenkes <fenkes@de.ibm.com> | 2007-07-09 17:31:53 +0400 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2007-07-10 07:12:27 +0400 |
| commit | b1cfe43d4b24144596d277133e0e5b715eea1347 (patch) | |
| tree | 1e18ebc7aac92ed6430b94a5bb980c01b263f1fd /drivers/infiniband/hw/ehca/ehca_reqs.c | |
| parent | 26ed687fdd541c2542b79dcd75fb2c82eb36f189 (diff) | |
| download | linux-b1cfe43d4b24144596d277133e0e5b715eea1347.tar.xz | |
IB/ehca: Return QP pointer in poll_cq()
Also add two unlikely() statements.
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_reqs.c')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_reqs.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c index 73f0c0652a00..fd3ba22467e8 100644 --- a/drivers/infiniband/hw/ehca/ehca_reqs.c +++ b/drivers/infiniband/hw/ehca/ehca_reqs.c @@ -517,6 +517,7 @@ static inline int ehca_poll_cq_one(struct ib_cq *cq, struct ib_wc *wc) int ret = 0; struct ehca_cq *my_cq = container_of(cq, struct ehca_cq, ib_cq); struct ehca_cqe *cqe; + struct ehca_qp *my_qp; int cqe_count = 0; poll_cq_one_read_cqe: @@ -568,7 +569,7 @@ poll_cq_one_read_cqe: } /* tracing cqe */ - if (ehca_debug_level) { + if (unlikely(ehca_debug_level)) { ehca_dbg(cq->device, "Received COMPLETION ehca_cq=%p cq_num=%x -----", my_cq, my_cq->cq_number); @@ -602,7 +603,11 @@ poll_cq_one_read_cqe: } else wc->status = IB_WC_SUCCESS; - wc->qp = NULL; + read_lock(&ehca_qp_idr_lock); + my_qp = idr_find(&ehca_qp_idr, cqe->qp_token); + wc->qp = &my_qp->ib_qp; + read_unlock(&ehca_qp_idr_lock); + wc->byte_len = cqe->nr_bytes_transferred; wc->pkey_index = cqe->pkey_index; wc->slid = cqe->rlid; @@ -612,7 +617,7 @@ poll_cq_one_read_cqe: wc->imm_data = cpu_to_be32(cqe->immediate_data); wc->sl = cqe->service_level; - if (wc->status != IB_WC_SUCCESS) + if (unlikely(wc->status != IB_WC_SUCCESS)) ehca_dbg(cq->device, "ehca_cq=%p cq_num=%x WARNING unsuccessful cqe " "OPType=%x status=%x qp_num=%x src_qp=%x wr_id=%lx " |