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11bd634da2
In order to remove dependency on rtnl lock from offloads code of classifiers, take rtnl lock conditionally before executing driver callbacks. Only obtain rtnl lock if block is bound to devices that require it. Block bind/unbind code is rtnl-locked and obtains block->cb_lock while holding rtnl lock. Obtain locks in same order in tc_setup_cb_*() functions to prevent deadlock. Signed-off-by: Vlad Buslov <vladbu@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.