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Diffstat (limited to 'Documentation/dev-tools/kselftest.rst')
| -rw-r--r-- | Documentation/dev-tools/kselftest.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/dev-tools/kselftest.rst b/Documentation/dev-tools/kselftest.rst index ee6467ca8293..e87973763b91 100644 --- a/Documentation/dev-tools/kselftest.rst +++ b/Documentation/dev-tools/kselftest.rst @@ -275,6 +275,14 @@ assist writing kernel modules that are for use with kselftest: - ``tools/testing/selftests/kselftest_module.h`` - ``tools/testing/selftests/kselftest/module.sh`` +Note that test modules should taint the kernel with TAINT_TEST. This will +happen automatically for modules which are in the ``tools/testing/`` +directory, or for modules which use the ``kselftest_module.h`` header above. +Otherwise, you'll need to add ``MODULE_INFO(test, "Y")`` to your module +source. selftests which do not load modules typically should not taint the +kernel, but in cases where a non-test module is loaded, TEST_TAINT can be +applied from userspace by writing to ``/proc/sys/kernel/tainted``. + How to use ---------- @@ -333,6 +341,7 @@ A bare bones test module might look like this: KSTM_MODULE_LOADERS(test_foo); MODULE_AUTHOR("John Developer <jd@fooman.org>"); MODULE_LICENSE("GPL"); + MODULE_INFO(test, "Y"); Example test script ------------------- |