linux-kernel - [PATCH] resource, kunit: add dependency on SPARSEMEM

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Message-ID: <20240922225041.603186-1-linux@roeck-us.net>
Date: Sun, 22 Sep 2024 15:50:41 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org,
	Guenter Roeck <linux@...ck-us.net>,
	Huang Ying <ying.huang@...el.com>
Subject: [PATCH] resource, kunit: add dependency on SPARSEMEM

Building allmodconfig images on systems with SPARSEMEM=n results in
the following message.

WARNING: unmet direct dependencies detected for GET_FREE_REGION
  Depends on [n]: SPARSEMEM [=n]
  Selected by [m]:
  - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m]

and the build ultimately fails.

GET_FREE_REGION depends on SPARSEMEM, so any configuration selecting it
also depends on SPARSEMEM. Add the missing dependency.

Effectively that means that RESOURCE_KUNIT_TEST is now restricted to
systems with SPARSEMEM=y, but that can not be helped.

Fixes: 99185c10d5d9 ("resource, kunit: add test case for region_intersects()")
Cc: Huang Ying <ying.huang@...el.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
 lib/Kconfig.debug | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index bc8faa4509e1..52184c51b6dc 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2635,7 +2635,7 @@ config HASH_KUNIT_TEST
 
 config RESOURCE_KUNIT_TEST
 	tristate "KUnit test for resource API" if !KUNIT_ALL_TESTS
-	depends on KUNIT
+	depends on KUNIT && SPARSEMEM
 	default KUNIT_ALL_TESTS
 	select GET_FREE_REGION
 	help
-- 
2.45.2