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Subject[PATCH v2] Documentation: kunit: Update Kconfig parts for KUNIT's module support
Date
From: SeongJae Park <sjpark@amazon.de>

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>
---

Changes from v1
(https://lore.kernel.org/linux-kselftest/20201012105420.5945-1-sjpark@amazon.com/):
- Fix a typo (Marco Elver)

---
Documentation/dev-tools/kunit/start.rst | 2 +-
Documentation/dev-tools/kunit/usage.rst | 5 +++++
2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/dev-tools/kunit/start.rst b/Documentation/dev-tools/kunit/start.rst
index d23385e3e159..454f307813ea 100644
--- a/Documentation/dev-tools/kunit/start.rst
+++ b/Documentation/dev-tools/kunit/start.rst
@@ -197,7 +197,7 @@ Now add the following to ``drivers/misc/Kconfig``:

config MISC_EXAMPLE_TEST
bool "Test for my example"
- depends on MISC_EXAMPLE && KUNIT
+ depends on MISC_EXAMPLE && KUNIT=y

and the following to ``drivers/misc/Makefile``:

diff --git a/Documentation/dev-tools/kunit/usage.rst b/Documentation/dev-tools/kunit/usage.rst
index 3c3fe8b5fecc..b331f5a5b0b9 100644
--- a/Documentation/dev-tools/kunit/usage.rst
+++ b/Documentation/dev-tools/kunit/usage.rst
@@ -556,6 +556,11 @@ Once the kernel is built and installed, a simple

...will run the tests.

+.. note::
+ Note that you should make your test depends on ``KUNIT=y`` in Kconfig if the
+ test does not support module build. Otherwise, it will trigger compile
+ errors if ``CONFIG_KUNIT`` is ``m``.
+
Writing new tests for other architectures
-----------------------------------------

--
2.17.1
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