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(parent: c183787) | patch
RDMA/mlx4: Use ib_umem_get_cq_buf() for user CQ buffer
authorJiri Pirko <jiri@nvidia.com>
Fri, 29 May 2026 13:43:06 +0000 (15:43 +0200)
committerJason Gunthorpe <jgg@nvidia.com>
Fri, 29 May 2026 23:19:59 +0000 (20:19 -0300)
commitc0a94fecec37765fb7e5c31d4e7986a1a23ce697
tree791f77fd3f2031a916ab7ef60382fbb9061cd284tree | snapshot
parentc1837879e4443c89805569778d82a3693d278696commit | diff
RDMA/mlx4: Use ib_umem_get_cq_buf() for user CQ buffer

Pin the user CQ buffer with ib_umem_get_cq_buf() and take
ownership of the umem in the driver; fall back to
ib_umem_get_va() for the legacy UHW VA path. Apply the same
ownership pattern to the resize path.

Link: https://patch.msgid.link/r/20260529134312.2836341-11-jiri@resnulli.us
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
drivers/infiniband/hw/mlx4/cq.c diff | blob | blame | history
drivers/infiniband/hw/mlx4/mlx4_ib.h diff | blob | blame | history
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