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789f6bab84
Add new accessor for bpf_object to get opaque struct btf * from it. struct btf * is needed for all operations with BTF and it's present in bpf_object. The only thing missing is a way to get it. Example use-case is to get BTF key_type_id and value_type_id for a map in bpf_object. It can be done with btf__get_map_kv_tids() but that function requires struct btf *. Similar API can be added for struct btf_ext but no use-case for it yet. Signed-off-by: Andrey Ignatov <rdna@fb.com> Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.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.