RDMA/odp: use mmu_notifier_get/put for 'struct ib_ucontext_per_mm'

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This is a significant simplification, no extra list is kept per FD, and
the interval tree is now shared between all the ucontexts, reducing
overhead if there are multiple ucontexts active.

Link: https://lore.kernel.org/r/20190806231548.25242-7-jgg@ziepe.ca
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

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This commit is contained in:

Jason Gunthorpe 2019-08-06 20:15:43 -03:00

parent daa138a58c

commit c571feca2d

6 changed files with 55 additions and 135 deletions

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168

drivers/infiniband/core/umem_odp.c

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3

drivers/infiniband/core/uverbs_cmd.c

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1

drivers/infiniband/core/uverbs_main.c

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5

drivers/infiniband/hw/mlx5/main.c

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10

include/rdma/ib_umem_odp.h

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3

include/rdma/ib_verbs.h

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