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Alexei Starovoitov 608e99f786 selftests/bpf: Fix build error with llvm 19
llvm 19 fails to compile arena self test:
CLNG-BPF [test_progs] verifier_arena_large.bpf.o
progs/verifier_arena_large.c:90:24: error: unsupported signed division, please convert to unsigned div/mod.
   90 |                 pg_idx = (pg - base) / PAGE_SIZE;

Though llvm <= 18 and llvm >= 20 don't have this issue,
fix the test to avoid the build error.

Reported-by: Jiri Olsa <olsajiri@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
History 2024-11-16 10:56:17 -08:00
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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.