RDMA/irdma: Add refcounting to user ring MRs

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Prevent userspace from deregistering the MRs that back QP/CQ/SRQ rings
by bumping the MR's refcount upon association.

Fixes: b48c24c2d7 ("RDMA/irdma: Implement device supported verb APIs")
Signed-off-by: Jacob Moroni <jmoroni@google.com>
Link: https://patch.msgid.link/20260618201458.875740-5-jmoroni@google.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

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Jacob Moroni 2026-06-18 20:14:58 +00:00 • committed by Leon Romanovsky

parent 971e99623e

commit f67d8a08f6

2 changed files with 49 additions and 2 deletions

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6

drivers/infiniband/hw/irdma/utils.c

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45

drivers/infiniband/hw/irdma/verbs.c

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