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Quentin Monnet says: ==================== This series adds an option to bpftool to make it print additional information via libbpf and the kernel verifier when attempting to load programs. A new API function is added to libbpf in order to pass the log_level from bpftool with the bpf_object__* part of the API. Options for a finer control over the log levels to use for libbpf and the verifier could be added in the future, if desired. v3: - Fix and clarify commit logs. v2: - Do not add distinct options for libbpf and verifier logs, just keep the one that sets all log levels to their maximum. Rename the option. - Do not offer a way to pick desired log levels. The choice is "use the option to print all logs" or "stick with the defaults". - Do not export BPF_LOG_* flags to user header. - Update all man pages (most bpftool operations use libbpf and may print libbpf logs). Verifier logs are only used when attempting to load programs for now, so bpftool-prog.rst and bpftool.rst remain the only pages updated in that regard. Previous discussion available at: https://lore.kernel.org/bpf/20190523105426.3938-1-quentin.monnet@netronome.com/ https://lore.kernel.org/bpf/20190429095227.9745-1-quentin.monnet@netronome.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.