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| author | Tales Aparecida <tales.aparecida@gmail.com> | 2022-08-21 23:26:41 -0300 |
|---|---|---|
| committer | Shuah Khan <skhan@linuxfoundation.org> | 2022-09-30 13:20:51 -0600 |
| commit | c5b6c4ecbd95c8e56ef1350ab091e57e401b01fe (patch) | |
| tree | 7d038f058c779103d7180f4ca3b5ec2e1c32c66b /Documentation/dev-tools | |
| parent | 5ceb9a2558593658276854770f0d4e84fbcddf14 (diff) | |
| download | lwn-c5b6c4ecbd95c8e56ef1350ab091e57e401b01fe.tar.gz lwn-c5b6c4ecbd95c8e56ef1350ab091e57e401b01fe.zip | |
Documentation: KUnit: add note about mrproper in start.rst
The "Getting Started" guide should be beginner-friendly, therefore
add a note about the requirement of a clean source tree when running
kunit_tool for the first time, and its related error.
Signed-off-by: Tales Aparecida <tales.aparecida@gmail.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Diffstat (limited to 'Documentation/dev-tools')
| -rw-r--r-- | Documentation/dev-tools/kunit/start.rst | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/dev-tools/kunit/start.rst b/Documentation/dev-tools/kunit/start.rst index 2e31350a85e1..9beec7d6ac4b 100644 --- a/Documentation/dev-tools/kunit/start.rst +++ b/Documentation/dev-tools/kunit/start.rst @@ -19,6 +19,22 @@ can run kunit_tool: ./tools/testing/kunit/kunit.py run +.. note :: + You may see the following error: + "The source tree is not clean, please run 'make ARCH=um mrproper'" + + This happens because internally kunit.py specifies ``.kunit`` + (default option) as the build directory in the command ``make O=output/dir`` + through the argument ``--build_dir``. Hence, before starting an + out-of-tree build, the source tree must be clean. + + There is also the same caveat mentioned in the "Build directory for + the kernel" section of the :doc:`admin-guide </admin-guide/README>`, + that is, its use, it must be used for all invocations of ``make``. + The good news is that it can indeed be solved by running + ``make ARCH=um mrproper``, just be aware that this will delete the + current configuration and all generated files. + If everything worked correctly, you should see the following: .. code-block:: |