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    Subject[git patch review 4/7] [IB] mthca: fix posting of atomic operations
    From
    Date
    The size of work requests for atomic operations was computed
    incorrectly in mthca: all sizeofs need to be divided by 16.

    Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
    Signed-off-by: Roland Dreier <rolandd@cisco.com>

    ---

    drivers/infiniband/hw/mthca/mthca_qp.c | 8 ++++----
    1 files changed, 4 insertions(+), 4 deletions(-)

    applies-to: 308dce81364b1cbb563942a1a57146c1808e8911
    62abb8416f1923f4cef50ce9ce841b919275e3fb
    diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
    index 7f39af4..190c1dc 100644
    --- a/drivers/infiniband/hw/mthca/mthca_qp.c
    +++ b/drivers/infiniband/hw/mthca/mthca_qp.c
    @@ -1556,8 +1556,8 @@ int mthca_tavor_post_send(struct ib_qp *
    }

    wqe += sizeof (struct mthca_atomic_seg);
    - size += sizeof (struct mthca_raddr_seg) / 16 +
    - sizeof (struct mthca_atomic_seg);
    + size += (sizeof (struct mthca_raddr_seg) +
    + sizeof (struct mthca_atomic_seg)) / 16;
    break;

    case IB_WR_RDMA_WRITE:
    @@ -1876,8 +1876,8 @@ int mthca_arbel_post_send(struct ib_qp *
    }

    wqe += sizeof (struct mthca_atomic_seg);
    - size += sizeof (struct mthca_raddr_seg) / 16 +
    - sizeof (struct mthca_atomic_seg);
    + size += (sizeof (struct mthca_raddr_seg) +
    + sizeof (struct mthca_atomic_seg)) / 16;
    break;

    case IB_WR_RDMA_READ:
    ---
    0.99.9e
    -
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