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cc9c037343
The REQ flows are concerned that once the handler is called on the new cm_id the ULP can choose to trigger a rdma_destroy_id() concurrently at any time. However, this is not true, while the ULP can call rdma_destroy_id(), it immediately blocks on the handler_mutex which prevents anything harmful from running concurrently. Remove the confusing extra locking and refcounts and make the handler_mutex protecting state during destroy more clear. Link: https://lore.kernel.org/r/20200723070707.1771101-4-leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.