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3ec84f4b16
Add ability to specify bpf_cookie value when creating BPF perf link with bpf_link_create() low-level API. Given BPF_LINK_CREATE command is growing and keeps getting new fields that are specific to the type of BPF_LINK, extend libbpf side of bpf_link_create() API and corresponding OPTS struct to accomodate such changes. Add extra checks to prevent using incompatible/unexpected combinations of fields. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20210815070609.987780-11-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.