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Date: Wed, 22 May 2024 00:57:14 +0000
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Subject: [PATCH v5 28/68] selftests/membarrier: Drop define _GNU_SOURCE
From: Edward Liaw <edliaw@google.com>
To: shuah@kernel.org, "=?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?=" <mic@digikod.net>, 
	"=?UTF-8?q?G=C3=BCnther=20Noack?=" <gnoack@google.com>, Christian Brauner <brauner@kernel.org>, 
	Richard Cochran <richardcochran@gmail.com>, Paul Walmsley <paul.walmsley@sifive.com>, 
	Palmer Dabbelt <palmer@dabbelt.com>, Albert Ou <aou@eecs.berkeley.edu>, 
	Alexei Starovoitov <ast@kernel.org>, Daniel Borkmann <daniel@iogearbox.net>, 
	"David S. Miller" <davem@davemloft.net>, Jakub Kicinski <kuba@kernel.org>, 
	Jesper Dangaard Brouer <hawk@kernel.org>, John Fastabend <john.fastabend@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, 
	kernel-team@android.com, Edward Liaw <edliaw@google.com>, 
	linux-security-module@vger.kernel.org, netdev@vger.kernel.org, 
	linux-riscv@lists.infradead.org, bpf@vger.kernel.org, 
	John Hubbard <jhubbard@nvidia.com>, Muhammad Usama Anjum <usama.anjum@collabora.com>
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_GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent
redefinition warnings.

Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Signed-off-by: Edward Liaw <edliaw@google.com>
---
 tools/testing/selftests/membarrier/membarrier_test_impl.h        | 1 -
 .../testing/selftests/membarrier/membarrier_test_multi_thread.c  | 1 -
 .../testing/selftests/membarrier/membarrier_test_single_thread.c | 1 -
 3 files changed, 3 deletions(-)

diff --git a/tools/testing/selftests/membarrier/membarrier_test_impl.h b/tools/testing/selftests/membarrier/membarrier_test_impl.h
index af89855adb7b..a8a60b6271a5 100644
--- a/tools/testing/selftests/membarrier/membarrier_test_impl.h
+++ b/tools/testing/selftests/membarrier/membarrier_test_impl.h
@@ -1,5 +1,4 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-#define _GNU_SOURCE
 #include <linux/membarrier.h>
 #include <syscall.h>
 #include <stdio.h>
diff --git a/tools/testing/selftests/membarrier/membarrier_test_multi_thread.c b/tools/testing/selftests/membarrier/membarrier_test_multi_thread.c
index 4e14dba81234..c00f380b2757 100644
--- a/tools/testing/selftests/membarrier/membarrier_test_multi_thread.c
+++ b/tools/testing/selftests/membarrier/membarrier_test_multi_thread.c
@@ -1,5 +1,4 @@
 // SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
 #include <linux/membarrier.h>
 #include <syscall.h>
 #include <stdio.h>
diff --git a/tools/testing/selftests/membarrier/membarrier_test_single_thread.c b/tools/testing/selftests/membarrier/membarrier_test_single_thread.c
index fa3f1d6c37a0..c399fbad8efd 100644
--- a/tools/testing/selftests/membarrier/membarrier_test_single_thread.c
+++ b/tools/testing/selftests/membarrier/membarrier_test_single_thread.c
@@ -1,5 +1,4 @@
 // SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
 #include <linux/membarrier.h>
 #include <syscall.h>
 #include <stdio.h>
-- 
2.45.1.288.g0e0cd299f1-goog