IB/uverbs: Allow uobject allocation to work concurrently with disassociate

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After all the recent structural changes this is now straightforward, hold
the hw_destroy_rwsem across the entire uobject creation. We already take
this semaphore on the success path, so holding it a bit longer is not
going to change the performance.

After this change none of the create callbacks require the
disassociate_srcu lock to be correct.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

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Jason Gunthorpe 2018-07-25 21:40:15 -06:00

parent 7452a3c745

commit 1e857e65d4

1 changed files with 26 additions and 11 deletions

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37

drivers/infiniband/core/rdma_core.c

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