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IB: Allow calls to ib_umem_get from kernel ULPs

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So far the assumption was that ib_umem_get() and ib_umem_odp_get()
are called from flows that start in UVERBS and therefore has a user
context. This assumption restricts flows that are initiated by ULPs
and need the service that ib_umem_get() provides.

This patch changes ib_umem_get() and ib_umem_odp_get() to get IB device
directly by relying on the fact that both UVERBS and ULPs sets that
field correctly.

Reviewed-by: Guy Levi <guyle@mellanox.com>
Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
This commit is contained in:
Moni Shoua
2020-01-15 14:43:31 +02:00
committed by Leon Romanovsky
parent b3a987b026
commit c320e527e1
34 changed files with 85 additions and 103 deletions
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2
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
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@@ -869,7 +869,7 @@ struct ib_mr *ocrdma_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 len,
mr = kzalloc(sizeof(*mr), GFP_KERNEL);
if (!mr)
return ERR_PTR(status);
mr->umem = ib_umem_get(udata, start, len, acc);
mr->umem = ib_umem_get(ibpd->device, start, len, acc);
if (IS_ERR(mr->umem)) {
status = -EFAULT;
goto umem_err;