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| author | Stefan Roscher <stefan.roscher@de.ibm.com> | 2007-08-31 16:02:59 +0200 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2007-08-31 13:56:42 -0700 |
| commit | fecea0ab3415bfab9a1964690e53b10c5d8f2e46 (patch) | |
| tree | 45c8a33154fad54c00dd86d9b5b989d6b3bd04d1 | |
| parent | 18115f45374d19ada218fc013aa5308baf5d283e (diff) | |
| download | lwn-fecea0ab3415bfab9a1964690e53b10c5d8f2e46.tar.gz lwn-fecea0ab3415bfab9a1964690e53b10c5d8f2e46.zip | |
IB/ehca: Fix Small QP regressions
The new Small QP code had a few bugs that would also make it trigger
for non-Small QPs. Fix them.
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_qp.c | 10 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ehca/ipz_pt_fn.c | 2 |
2 files changed, 7 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index b178cba96345..84d435a5ee11 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -600,10 +600,12 @@ static struct ehca_qp *internal_create_qp( if (EHCA_BMASK_GET(HCA_CAP_MINI_QP, shca->hca_cap) && !(context && udata)) { /* no small QP support in userspace ATM */ - ehca_determine_small_queue( - &parms.squeue, max_send_sge, is_llqp); - ehca_determine_small_queue( - &parms.rqueue, max_recv_sge, is_llqp); + if (HAS_SQ(my_qp)) + ehca_determine_small_queue( + &parms.squeue, max_send_sge, is_llqp); + if (HAS_RQ(my_qp)) + ehca_determine_small_queue( + &parms.rqueue, max_recv_sge, is_llqp); parms.qp_storage = (parms.squeue.is_small || parms.rqueue.is_small); } diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.c b/drivers/infiniband/hw/ehca/ipz_pt_fn.c index a090c679c397..29bd476fbd54 100644 --- a/drivers/infiniband/hw/ehca/ipz_pt_fn.c +++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.c @@ -172,7 +172,7 @@ static void free_small_queue_page(struct ipz_queue *queue, struct ehca_pd *pd) unsigned long bit; int free_page = 0; - bit = ((unsigned long)queue->queue_pages[0] & PAGE_MASK) + bit = ((unsigned long)queue->queue_pages[0] & ~PAGE_MASK) >> (order + 9); mutex_lock(&pd->lock); |