Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  RDMA/nes: Formatting cleanup
  RDMA/nes: Add support for SFP+ PHY
  RDMA/nes: Use LRO
  IPoIB: Copy child MTU from parent
  IB/mthca: Avoid changing userspace ABI to handle DMA write barrier attribute
  IB/mthca: Avoid recycling old FMR R_Keys too soon
  mlx4_core: Avoid recycling old FMR R_Keys too soon
  IB/ehca: Allocate event queue size depending on max number of CQs and QPs
  IPoIB: Use separate CQ for UD send completions
  IB/iser: Count FMR alignment violations per session
  IB/iser: Move high-volume debug output to higher debug level
  IB/ehca: handle negative return value from ibmebus_request_irq() properly
  RDMA/cxgb3: Support peer-2-peer connection setup
  RDMA/cxgb3: Set the max_mr_size device attribute correctly
  RDMA/cxgb3: Correctly serialize peer abort path
  mlx4_core: Add a way to set the "collapsed" CQ flag

2 files changed, 3 insertions, 7 deletions

diff --git a/drivers/net/mlx4/cq.c b/drivers/net/mlx4/cq.c
index 6fda0af9d0a6..95e87a2f8896 100644
--- a/drivers/net/mlx4/cq.c
+++ b/drivers/net/mlx4/cq.c
@@ -188,7 +188,8 @@ int mlx4_cq_resize(struct mlx4_dev *dev, struct mlx4_cq *cq,
 EXPORT_SYMBOL_GPL(mlx4_cq_resize);
 
 int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
-                  struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq)
+                  struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq,
+                  int collapsed)
 {
         struct mlx4_priv *priv = mlx4_priv(dev);
         struct mlx4_cq_table *cq_table = &priv->cq_table;
@@ -224,6 +225,7 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
         cq_context = mailbox->buf;
         memset(cq_context, 0, sizeof *cq_context);
 
+        cq_context->flags           = cpu_to_be32(!!collapsed << 18);
         cq_context->logsize_usrpage = cpu_to_be32((ilog2(nent) << 24) | uar->index);
         cq_context->comp_eqn        = priv->eq_table.eq[MLX4_EQ_COMP].eqn;
         cq_context->log_page_size   = mtt->page_shift - MLX4_ICM_PAGE_SHIFT;
diff --git a/drivers/net/mlx4/mr.c b/drivers/net/mlx4/mr.c
index 79b317b88c86..cb46446b2691 100644
--- a/drivers/net/mlx4/mr.c
+++ b/drivers/net/mlx4/mr.c
@@ -607,15 +607,9 @@ EXPORT_SYMBOL_GPL(mlx4_fmr_enable);
 void mlx4_fmr_unmap(struct mlx4_dev *dev, struct mlx4_fmr *fmr,
                     u32 *lkey, u32 *rkey)
 {
-        u32 key;
-
         if (!fmr->maps)
                 return;
 
-        key = key_to_hw_index(fmr->mr.key);
-        key &= dev->caps.num_mpts - 1;
-        *lkey = *rkey = fmr->mr.key = hw_index_to_key(key);
-
         fmr->maps = 0;
 
         *(u8 *) fmr->mpt = MLX4_MPT_STATUS_SW;