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2dbbdeda77("sched_ext: Fix scx_bpf_dsq_insert() backward binary compatibility") renamed the new bool-returning variant to scx_bpf_dsq_insert___v2 in the kernel. However, libbpf currently only strips ___SUFFIX on the BPF side, not on kernel symbols, so the compat wrapper couldn't match the kernel kfunc and would always fall back to the old variant even when the new one was available. Add an extra ___compat suffix as a workaround - libbpf strips one suffix on the BPF side leaving ___v2, which then matches the kernel kfunc directly. In the future when libbpf strips all suffixes on both sides, all suffixes can be dropped. Fixes:2dbbdeda77("sched_ext: Fix scx_bpf_dsq_insert() backward binary compatibility") Cc: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Tejun Heo <tj@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.