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c93b6fbaa9
Documentation/infiniband/core_locking.txt says: All of the methods in struct ib_device exported by a low-level driver must be fully reentrant. The low-level driver is required to perform all synchronization necessary to maintain consistency, even if multiple function calls using the same object are run simultaneously. However, mthca's modify_qp, modify_srq and resize_cq methods are currently not reentrant. Add a mutex to the QP, SRQ and CQ structures so that these calls can be properly serialized. Signed-off-by: Roland Dreier <rolandd@cisco.com> |
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