linux-kernel - [PATCH v3 6/9] selftests: vDSO: enable -Wall

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Message-Id: <20250611-selftests-vdso-fixes-v3-6-e62e37a6bcf5@linutronix.de>
Date: Wed, 11 Jun 2025 12:33:56 +0200
From: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
To: Andy Lutomirski <luto@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, 
 Vincenzo Frascino <vincenzo.frascino@....com>, 
 Shuah Khan <shuah@...nel.org>, "Jason A. Donenfeld" <Jason@...c4.com>
Cc: Shuah Khan <skhan@...uxfoundation.org>, linux-kernel@...r.kernel.org, 
 linux-kselftest@...r.kernel.org, 
 Muhammad Usama Anjum <usama.anjum@...labora.com>, 
 Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Subject: [PATCH v3 6/9] selftests: vDSO: enable -Wall

Protect against common programming errors through compiler warnings.
These warnings are also used for the kernel itself.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
---
 tools/testing/selftests/vDSO/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/vDSO/Makefile b/tools/testing/selftests/vDSO/Makefile
index 12a0614b9fd4983deffe5d6a7cfa06ba8d92a516..06d72254ec75dbdcc2b20935534199fabc40a9de 100644
--- a/tools/testing/selftests/vDSO/Makefile
+++ b/tools/testing/selftests/vDSO/Makefile
@@ -12,7 +12,7 @@ TEST_GEN_PROGS += vdso_test_correctness
 TEST_GEN_PROGS += vdso_test_getrandom
 TEST_GEN_PROGS += vdso_test_chacha

-CFLAGS := -std=gnu99 -O2
+CFLAGS := -std=gnu99 -O2 -Wall

 ifeq ($(CONFIG_X86_32),y)
 LDLIBS += -lgcc_s

-- 
2.49.0