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239860828f
With UBSAN, test_bpf.ko triggers warnings like: UBSAN: negation-overflow in arch/arm64/net/bpf_jit_comp.c:1333:28 negation of -2147483648 cannot be represented in type 's32' (aka 'int'): Silence these warnings by casting imm to u32 first. Reported-by: Breno Leitao <leitao@debian.org> Signed-off-by: Song Liu <song@kernel.org> Tested-by: Breno Leitao <leitao@debian.org> Link: https://lore.kernel.org/r/20250218080240.2431257-1-song@kernel.org Signed-off-by: Alexei Starovoitov <ast@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.