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[ Upstream commit e0e4f8e938c48b7c5377661fa3e4738901e6a19b ] Added sections on all the bind flags, libbpf, all the setsockopts and all the getsockopts. Also updated the document to reflect the latest features and to correct some spelling errors. v1 -> v2: * Updated XDP program with latest BTF map format * Added one more FAQ entry * Some minor edits and corrections v2 -> v3: * Simplified XDP_SHARED_UMEM example XDP program Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/1571648224-16889-1-git-send-email-magnus.karlsson@intel.com Stable-dep-of: f7306acec9aa ("xsk: Honor SO_BINDTODEVICE on bind") Signed-off-by: Sasha Levin <sashal@kernel.org>
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.