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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 <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Reviewed-by: Jason Gunthorpe <[email protected]>
Reviewed-by: Steve Wise <[email protected]>
Signed-off-by: Doug Ledford <[email protected]>
This commit is contained in:
Christoph Hellwig 2016-09-05 12:56:17 +02:00 • committed by Doug Ledford
commit ed082d36a7
18 changed files with 57 additions and 22 deletions
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2
net/rds/ib.c
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@ -160,7 +160,7 @@ static void rds_ib_add_one(struct ib_device *device)
rds_ibdev->max_responder_resources = device->attrs.max_qp_rd_atom;
rds_ibdev->dev = device;
rds_ibdev->pd = ib_alloc_pd(device);
rds_ibdev->pd = ib_alloc_pd(device, 0);
if (IS_ERR(rds_ibdev->pd)) {
rds_ibdev->pd = NULL;
goto put_dev;