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If 'CONFIG_KUNIT=m', letting kunit tests that do not support loadable
module build depends on 'KUNIT' instead of 'KUNIT=y' result in compile
errors. This commit updates the document for this.
Fixes: 9fe124bf1b77 ("kunit: allow kunit to be loaded as a module")
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reviewed-by: David Gow <davidgow@google.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add a brief blurb saying how and when the kunit_test_suite() macro
works to the usage documentation.
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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As discussed in [1], KUnit tests have hitherto not had a particularly
consistent naming scheme. This adds documentation outlining how tests
and test suites should be named, including how those names should be
used in Kconfig entries and filenames.
[1]:
https://lore.kernel.org/linux-kselftest/202006141005.BA19A9D3@keescook/t/#u
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Marco Elver <elver@google.com>
Reviewed-by: Tim Bird <tim.bird@sony.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kunit updates from Shuah Khan:
- Add a generic kunit_resource API extending it to support resources
that are passed in to kunit in addition kunit allocated resources. In
addition, KUnit resources are now refcounted to avoid passed in
resources being released while in use by kunit.
- Add support for named resources.
- Important bug fixes from Brendan Higgins and Will Chen
* tag 'linux-kselftest-kunit-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: tool: fix improper treatment of file location
kunit: tool: fix broken default args in unit tests
kunit: capture stderr on all make subprocess calls
Documentation: kunit: Remove references to --defconfig
kunit: add support for named resources
kunit: generalize kunit_resource API beyond allocated resources
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The --defconfig option in kunit_tool was removed in [1], but the getting
started and kunit_tool documentation still encouraged its use. Update
those documents to reflect that it's no-longer required, and is the
default behaviour if no .kunitconfig is found.
Also update a couple of places where .kunitconfig is still referred to
as kunitconfig (this was changed in [2]).
[1]:
https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git/commit/?h=kunit-fixes&id=9bdf64b35117cc10813d24e1842cd8ee40ecbf19
[2]:
https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git/commit/?h=kunit-fixes&id=14ee5cfd4512ee3d1e0047d8751450dcc6544070
Signed-off-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add an FAQ entry to the KUnit documentation with some tips for
troubleshooting KUnit and kunit_tool.
These suggestions largely came from an email thread:
https://lore.kernel.org/linux-kselftest/41db8bbd-3ba0-8bde-7352-083bf4b947ff@intel.com/T/#m23213d4e156db6d59b0b460a9014950f5ff6eb03
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Alan Maguire <alan.maguire@oracle.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Fix warnings at 'make htmldocs', and formatting issues in the resulting
documentation.
- test.h: Fix annotation in kernel-doc parameter description.
- Documentation/*.rst: Fixing formatting issues, and a duplicate label
issue due to usage of sphinx.ext.autosectionlabel and identical labels
within one document (sphinx warning)
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Documentation should describe debugfs layout and semantics.
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Remove some of the outmoded "Why KUnit" rationale, and move some
UML-specific information to the kunit_tool page. Also update the Getting
Started guide to mention running tests without the kunit_tool wrapper.
Signed-off-by: David Gow <davidgow@google.com>
Reviewed-by: Frank Rowand <frank.rowand@sony.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Fix a missing newline in a code block that was causing a warning:
Documentation/dev-tools/kunit/usage.rst:553: WARNING: Error in "code-block" directive:
maximum 1 argument(s) allowed, 3 supplied.
.. code-block:: bash
modprobe example-test
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Documentation should describe how to build kunit and tests as
modules.
Co-developed-by: Knut Omang <knut.omang@oracle.com>
Signed-off-by: Knut Omang <knut.omang@oracle.com>
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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This commit renames 'kunitconfig' to '.kunitconfig' so that it can be
automatically ignored by git and do not disturb people who want to type
'kernel/' by pressing only the 'k' and then 'tab' key.
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Tested-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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The kunit doc suggests users to get the default `kunitconfig` from an
external git tree. However, the file is already located under the
`arch/um/configs/` of the kernel tree. Because the local file is easier
to access and maintain, this commit updates the doc to use it.
Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Tested-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add documentation for the Python script used to build, run, and collect
results from the kernel known as kunit_tool. kunit_tool
(tools/testing/kunit/kunit.py) was already added in previous commits.
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Fix typos and gramatical errors in the Getting Started and Usage guide
for KUnit.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patchwork.kernel.org/patch/11156481/
Reported-by: Rinat Ibragimov <ibragimovrinat@mail.ru>
Link: https://github.com/google/kunit-docs/issues/1
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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kunit wrapper script ('kunit.py') receives a sub-command (only 'run' for
now) as its argument. If no sub-command is given, it prints help
message and just quit. However, an example command in the kunit
documentation for a verification of kunit is missing the sub-command.
This commit fixes the example.
Signed-off-by: SeongJae Park <sj38.park@gmail.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Add documentation for KUnit, the Linux kernel unit testing framework.
- Add intro and usage guide for KUnit
- Add API reference
Signed-off-by: Felix Guo <felixguoxiuping@gmail.com>
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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