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In some drivers there's a need to read data from a user space area that was pinned using ib_umem when running from a different process context. The ib_umem_copy_from function allows reading data from the physical pages pinned in the ib_umem struct. Signed-off-by: Haggai Eran <haggaie@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com> |
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