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535ead44ff
Factor out the logic to extract bpf_map instances from FD embedded in bpf_insns, adding it to the list of used_maps (unless it's already there, in which case we just reuse map's index). This simplifies the logic in resolve_pseudo_ldimm64(), especially around `struct fd` handling, as all that is now neatly contained in the helper and doesn't leak into a dozen error handling paths. Signed-off-by: Andrii Nakryiko <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 reStructuredText 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.