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IB/core: add support to create a unsafe global rkey to ib_create_pd

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Instead of exposing ib_get_dma_mr to ULPs and letting them use it more or
less unchecked, this moves the capability of creating a global rkey into
the RDMA core, where it can be easily audited.  It also prints a warning
everytime this feature is used as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Christoph Hellwig
2016-09-05 12:56:17 +02:00
committed by Doug Ledford
parent 50d46335b0
commit ed082d36a7
18 changed files with 57 additions and 22 deletions
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2
drivers/infiniband/hw/mlx4/main.c
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@@ -1259,7 +1259,7 @@ static struct ib_xrcd *mlx4_ib_alloc_xrcd(struct ib_device *ibdev,
if (err)
goto err1;
xrcd->pd = ib_alloc_pd(ibdev);
xrcd->pd = ib_alloc_pd(ibdev, 0);
if (IS_ERR(xrcd->pd)) {
err = PTR_ERR(xrcd->pd);
goto err2;