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b06a92a18d
Currently in libbpf, we have hardcoded program types that are not supported for helper function probing (e.g. tracing, ext, lsm). Due to this (and other legitimate failures), bpftool feature probe returns empty for those program type helper functions. Instead of implying to the user that there are no helper functions available for a program type, we output a message to the user explaining that helper function probing failed for that program type. Signed-off-by: Milan Landaverde <milan@mdaverde.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220504161356.3497972-3-milan@mdaverde.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.