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Date:   Thu, 27 Feb 2020 17:20:33 -0800
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Subject: [PATCH v3 4/7] init: main: add KUnit to kernel init
From:   Brendan Higgins <brendanhiggins@google.com>
To:     jdike@addtoit.com, richard@nod.at, anton.ivanov@cambridgegreys.com,
        arnd@arndb.de, keescook@chromium.org, skhan@linuxfoundation.org,
        alan.maguire@oracle.com, yzaikin@google.com, davidgow@google.com,
        akpm@linux-foundation.org, rppt@linux.ibm.com,
        frowand.list@gmail.com
Cc:     gregkh@linuxfoundation.org, sboyd@kernel.org, logang@deltatee.com,
        mcgrof@kernel.org, linux-um@lists.infradead.org,
        linux-arch@vger.kernel.org, linux-kselftest@vger.kernel.org,
        kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org,
        linux-doc@vger.kernel.org,
        Brendan Higgins <brendanhiggins@google.com>
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Sender: linux-kernel-owner@vger.kernel.org
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Remove KUnit from init calls entirely, instead call directly from
kernel_init().

Co-developed-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
---
 include/kunit/test.h | 9 +++++++++
 init/main.c          | 4 ++++
 lib/kunit/executor.c | 4 +---
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/include/kunit/test.h b/include/kunit/test.h
index 8a02f93a6b505..8689dd1459844 100644
--- a/include/kunit/test.h
+++ b/include/kunit/test.h
@@ -197,6 +197,15 @@ void kunit_init_test(struct kunit *test, const char *name);
 
 int kunit_run_tests(struct kunit_suite *suite);
 
+#if IS_BUILTIN(CONFIG_KUNIT)
+int kunit_run_all_tests(void);
+#else
+static inline int kunit_run_all_tests(void)
+{
+	return 0;
+}
+#endif /* IS_BUILTIN(CONFIG_KUNIT) */
+
 /*
  * If a test suite is built-in, module_init() gets translated into
  * an initcall which we don't want as the idea is that for builtins
diff --git a/init/main.c b/init/main.c
index ee4947af823f3..7875a5c486dc4 100644
--- a/init/main.c
+++ b/init/main.c
@@ -104,6 +104,8 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/initcall.h>
 
+#include <kunit/test.h>
+
 static int kernel_init(void *);
 
 extern void init_IRQ(void);
@@ -1444,6 +1446,8 @@ static noinline void __init kernel_init_freeable(void)
 
 	do_basic_setup();
 
+	kunit_run_all_tests();
+
 	console_on_rootfs();
 
 	/*
diff --git a/lib/kunit/executor.c b/lib/kunit/executor.c
index 6429927d598a5..b75a46c560847 100644
--- a/lib/kunit/executor.c
+++ b/lib/kunit/executor.c
@@ -11,7 +11,7 @@ extern struct kunit_suite * const * const __kunit_suites_end[];
 
 #if IS_BUILTIN(CONFIG_KUNIT)
 
-static int kunit_run_all_tests(void)
+int kunit_run_all_tests(void)
 {
 	struct kunit_suite * const * const *suites, * const *subsuite;
 	bool has_test_failed = false;
@@ -31,6 +31,4 @@ static int kunit_run_all_tests(void)
 	return 0;
 }
 
-late_initcall(kunit_run_all_tests);
-
 #endif /* IS_BUILTIN(CONFIG_KUNIT) */
-- 
2.25.1.481.gfbce0eb801-goog