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Andrii Nakryiko says: ==================== This patchset fixes a bug in btf_dedup() algorithm, which under specific hash collision causes infinite loop. It also exposes ability to tune BTF deduplication table size, with double purpose of allowing applications to adjust size according to the size of BTF data, as well as allowing a simple way to force hash collisions by setting table size to 1. - Patch #1 fixes bug in btf_dedup testing code that's checking strings - Patch #2 fixes pointer arg formatting in btf.h - Patch #3 adds option to specify custom dedup table size - Patch #4 fixes aforementioned bug in btf_dedup - Patch #5 adds test that validates the fix v1->v2: - remove "Fixes" from formatting change patch - extract roundup_pow2_max func for dedup table size - btf_equal_struct -> btf_shallow_equal_struct - explain in comment why we can't rely on just btf_dedup_is_equiv ==================== 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.