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e924e80ee6
This commit adds the ability to filter kfuncs to certain BPF program types. This is required to limit bpf_sock_destroy kfunc implemented in follow-up commits to programs with attach type 'BPF_TRACE_ITER'. The commit adds a callback filter to 'struct btf_kfunc_id_set'. The filter has access to the `bpf_prog` construct including its properties such as `expected_attached_type`. Signed-off-by: Aditi Ghag <aditi.ghag@isovalent.com> Link: https://lore.kernel.org/r/20230519225157.760788-7-aditi.ghag@isovalent.com Signed-off-by: Martin KaFai Lau <martin.lau@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.