diff options
author | David S. Miller <davem@davemloft.net> | 2016-05-04 00:52:29 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2016-05-04 00:52:29 -0400 |
commit | cba653210056cf47cc1969f831f05ddfb99ee2bd (patch) | |
tree | 92d93a3eee5b12d77af3696b9da8026e71df5752 /drivers/infiniband/hw/cxgb4/qp.c | |
parent | 26879da58711aa604a1b866cbeedd7e0f78f90ad (diff) | |
parent | 7391daf2ffc780679d6ab3fad1db2619e5dd2c2a (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
net/ipv4/ip_gre.c
Minor conflicts between tunnel bug fixes in net and
ipv6 tunnel cleanups in net-next.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/qp.c')
-rw-r--r-- | drivers/infiniband/hw/cxgb4/qp.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c index e17fb5d5e033..e8993e49b8b3 100644 --- a/drivers/infiniband/hw/cxgb4/qp.c +++ b/drivers/infiniband/hw/cxgb4/qp.c @@ -185,6 +185,10 @@ void __iomem *c4iw_bar2_addrs(struct c4iw_rdev *rdev, unsigned int qid, if (pbar2_pa) *pbar2_pa = (rdev->bar2_pa + bar2_qoffset) & PAGE_MASK; + + if (is_t4(rdev->lldi.adapter_type)) + return NULL; + return rdev->bar2_kva + bar2_qoffset; } @@ -270,7 +274,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, /* * User mode must have bar2 access. */ - if (user && (!wq->sq.bar2_va || !wq->rq.bar2_va)) { + if (user && (!wq->sq.bar2_pa || !wq->rq.bar2_pa)) { pr_warn(MOD "%s: sqid %u or rqid %u not in BAR2 range.\n", pci_name(rdev->lldi.pdev), wq->sq.qid, wq->rq.qid); goto free_dma; @@ -1895,13 +1899,27 @@ int c4iw_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, void c4iw_drain_sq(struct ib_qp *ibqp) { struct c4iw_qp *qp = to_c4iw_qp(ibqp); + unsigned long flag; + bool need_to_wait; - wait_for_completion(&qp->sq_drained); + spin_lock_irqsave(&qp->lock, flag); + need_to_wait = !t4_sq_empty(&qp->wq); + spin_unlock_irqrestore(&qp->lock, flag); + + if (need_to_wait) + wait_for_completion(&qp->sq_drained); } void c4iw_drain_rq(struct ib_qp *ibqp) { struct c4iw_qp *qp = to_c4iw_qp(ibqp); + unsigned long flag; + bool need_to_wait; + + spin_lock_irqsave(&qp->lock, flag); + need_to_wait = !t4_rq_empty(&qp->wq); + spin_unlock_irqrestore(&qp->lock, flag); - wait_for_completion(&qp->rq_drained); + if (need_to_wait) + wait_for_completion(&qp->rq_drained); } |