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0ed08d6725
Similar to previous bpf_prog_load() and bpf_map_create() APIs, add bpf_btf_load() API which is taking optional OPTS struct. Schedule bpf_load_btf() for deprecation in v0.8 ([0]). This makes naming consistent with BPF_BTF_LOAD command, sets up an API for extensibility in the future, moves options parameters (log-related fields) into optional options, and also allows to pass log_level directly. It also removes log buffer auto-allocation logic from low-level API (consistent with bpf_prog_load() behavior), but preserves a special treatment of log_level == 0 with non-NULL log_buf, which matches low-level bpf_prog_load() and high-level libbpf APIs for BTF and program loading behaviors. [0] Closes: https://github.com/libbpf/libbpf/issues/419 Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20211209193840.1248570-3-andrii@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.