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Björn Töpel 7941b83bce selftests: sched_ext: Add sched_ext as proper selftest target
The sched_ext selftests is missing proper cross-compilation support, a
proper target entry, and out-of-tree build support.

When building the kselftest suite, e.g.:

  make ARCH=riscv CROSS_COMPILE=riscv64-linux-gnu-  \
    TARGETS=sched_ext SKIP_TARGETS="" O=/output/foo \
    -C tools/testing/selftests install

or:

  make ARCH=arm64 LLVM=1 TARGETS=sched_ext SKIP_TARGETS="" \
    O=/output/foo -C tools/testing/selftests install

The expectation is that the sched_ext is included, cross-built, the
correct toolchain is picked up, and placed into /output/foo.

In contrast to the BPF selftests, the sched_ext suite does not use
bpftool at test run-time, so it is sufficient to build bpftool for the
build host only.

Add ARCH, CROSS_COMPILE, OUTPUT, and TARGETS support to the sched_ext
selftest. Also, remove some variables that were unused by the
Makefile.

Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Acked-by: David Vernet <void@manifault.com>
Tested-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
History 2024-10-09 06:42:51 -10:00
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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.