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99f9863a0c
This patch implements lookup by name for maps and changes the behavior of lookups by tag to be consistent with prog subcommands. Similarly to program subcommands, the show and dump commands will return all maps with the given name (or tag), whereas other commands will error out if several maps have the same name (resp. tag). When a map has BTF info, it is dumped in JSON with available BTF info. This patch requires that all matched maps have BTF info before switching the output format to JSON. Signed-off-by: Paul Chaignon <paul.chaignon@orange.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/8de1c9f273860b3ea1680502928f4da2336b853e.1576263640.git.paul.chaignon@gmail.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.