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Guillaume Nault says: ==================== l2tp: tunnel creation fixes L2TP tunnel creation is racy. We need to make sure that the tunnel returned by l2tp_tunnel_create() isn't going to be freed while the caller is using it. This is done in patch #1, by separating tunnel creation from tunnel registration. With the tunnel registration code in place, we can now check for duplicate tunnels in a race-free way. This is done in patch #2, which incidentally removes the last use of l2tp_tunnel_find(). ==================== 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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.