linux-kernel - [PATCH v2 linux-kselftest-test 0/3] kunit: support building core/tests as modules

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Date:   Tue,  8 Oct 2019 15:55:43 +0100
From:   Alan Maguire <alan.maguire@...cle.com>
To:     linux-kselftest@...r.kernel.org, brendanhiggins@...gle.com,
        skhan@...uxfoundation.org
Cc:     mcgrof@...nel.org, keescook@...omium.org, yzaikin@...gle.com,
        akpm@...ux-foundation.org, yamada.masahiro@...ionext.com,
        catalin.marinas@....com, joe.lawrence@...hat.com,
        penguin-kernel@...ove.sakura.ne.jp, schowdary@...dia.com,
        urezki@...il.com, andriy.shevchenko@...ux.intel.com,
        changbin.du@...el.com, kunit-dev@...glegroups.com,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Alan Maguire <alan.maguire@...cle.com>
Subject: [PATCH v2 linux-kselftest-test 0/3] kunit: support building core/tests as modules

The current kunit execution model is to provide base kunit functionality
and tests built-in to the kernel.  The aim of this series is to allow
building kunit itself and tests as modules.  This in turn allows a
simple form of selective execution; load the module you wish to test.
In doing so, kunit itself (if also built as a module) will be loaded as
an implicit dependency.

Because this requires a core API modification - if a module delivers
multiple suites, they must be declared with the kunit_test_suites()
macro - we're proposing this patch as a candidate to be applied to the
test tree before too many kunit consumers appear.  We attempt to deal
with existing consumers in patch 1.

Changes since v1:

- sent correct patch set; apologies, previous patch set was built
  prior to kunit move to lib/ and should be ignored.

Patch 1 consists changes needed to support loading tests as modules.
Patch 2 allows kunit itself to be loaded as a module.
Patch 3 documents module support.

Alan Maguire (3):
  kunit: allow kunit tests to be loaded as a module
  kunit: allow kunit to be loaded as a module
  kunit: update documentation to describe module-based build

 Documentation/dev-tools/kunit/faq.rst   |  3 ++-
 Documentation/dev-tools/kunit/index.rst |  3 +++
 Documentation/dev-tools/kunit/usage.rst | 16 ++++++++++++++++
 include/kunit/test.h                    | 30 +++++++++++++++++++++++-------
 kernel/sysctl-test.c                    |  6 +++++-
 lib/Kconfig.debug                       |  4 ++--
 lib/kunit/Kconfig                       |  6 +++---
 lib/kunit/Makefile                      |  4 +++-
 lib/kunit/assert.c                      |  8 ++++++++
 lib/kunit/example-test.c                |  6 +++++-
 lib/kunit/string-stream-test.c          |  9 +++++++--
 lib/kunit/string-stream.c               |  7 +++++++
 lib/kunit/test-test.c                   |  8 ++++++--
 lib/kunit/test.c                        | 12 ++++++++++++
 lib/kunit/try-catch.c                   |  8 ++++++--
 15 files changed, 108 insertions(+), 22 deletions(-)

-- 
1.8.3.1