linux-kernel - [PATCH] initramfs_test: mark testcases as _

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Message-Id: <20250305172707.3418080-1-arnd@kernel.org>
Date: Wed,  5 Mar 2025 18:27:01 +0100
From: Arnd Bergmann <arnd@...nel.org>
To: David Disseldorp <ddiss@...e.de>,
	Christian Brauner <brauner@...nel.org>
Cc: Arnd Bergmann <arnd@...db.de>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] initramfs_test: mark testcases as __refdata

From: Arnd Bergmann <arnd@...db.de>

The testcase calls an __init function, so it must have a corresponding
annotation:

WARNING: modpost: vmlinux: section mismatch in reference: initramfs_test_cases+0x0 (section: .data) -> initramfs_test_extract (section: .init.text)

As with other kunit tests, using __refdata suppresses the warning without
annotating the structure itself as __initdata.

Fixes: b6736cfccb58 ("initramfs_test: kunit tests for initramfs unpacking")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 init/initramfs_test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/init/initramfs_test.c b/init/initramfs_test.c
index 6231fe012583..3539891ae081 100644
--- a/init/initramfs_test.c
+++ b/init/initramfs_test.c
@@ -387,7 +387,7 @@ static void __init initramfs_test_many(struct kunit *test)
  * The kunit_case/_suite struct cannot be marked as __initdata as this will be
  * used in debugfs to retrieve results after test has run.
  */
-static struct kunit_case initramfs_test_cases[] = {
+static struct kunit_case initramfs_test_cases[] __refdata = {
 	KUNIT_CASE(initramfs_test_extract),
 	KUNIT_CASE(initramfs_test_fname_overrun),
 	KUNIT_CASE(initramfs_test_data),
-- 
2.39.5