> --- infiniband.orig/drivers/infiniband/hw/mlx4/qp.c 2008-01-27
> 10:44:25.000000000 +0200
> +++ infiniband/drivers/infiniband/hw/mlx4/qp.c 2008-01-27
> 10:52:21.000000000 +0200
> @@ -96,7 +96,7 @@ static int is_qp0(struct mlx4_ib_dev *de
>
> static void *get_wqe(struct mlx4_ib_qp *qp, int offset)
> {
> - if (qp->buf.nbufs == 1)
> + if (BITS_PER_LONG == 64 || qp->buf.nbufs == 1)
> return qp->buf.u.direct.buf + offset;
> else
> return qp->buf.u.page_list[offset >> PAGE_SHIFT].buf +
I don't see any changes to cq.c -- it seems we would want to make the
same optimization there, right? Or is it actually better to walk the
two-level stuff ourselves when we can?
- R.
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