f309b4ba98
Quentin Monnet says: ==================== As part of the effort to move towards a v1.0 for libbpf [0], this set improves some confusing function names related to BTF loading from and to the kernel: - btf__load() becomes btf__load_into_kernel(). - btf__get_from_id becomes btf__load_from_kernel_by_id(). - A new version btf__load_from_kernel_by_id_split() extends the former to add support for split BTF. The last patch is a trivial change to bpftool to add support for dumping split BTF objects by referencing them by their id (and not only by their BTF path). [0] https://github.com/libbpf/libbpf/wiki/Libbpf:-the-road-to-v1.0#btfh-apis v3: - Use libbpf_err_ptr() in btf__load_from_kernel_by_id(), ERR_PTR() in bpftool's get_map_kv_btf(). - Move the definition of btf__load_from_kernel_by_id() closer to the btf__parse() group in btf.h (move the legacy function with it). - Fix a bug on the return value in libbpf_find_prog_btf_id(), as a new patch. - Move the btf__free() fixes to their own patch. - Add "Fixes:" tags to relevant patches. v2: - Remove deprecation marking of legacy functions (patch 4/6 from v1). - Make btf__load_from_kernel_by_id{,_split}() return the btf struct, adjust surrounding code and call btf__free() when missing. - Add new functions to v0.5.0 API (and not v0.6.0). ==================== Signed-off-by: Andrii Nakryiko <andrii@kernel.org> |
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README
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.