[PATCH v3 04/68] selftests/arm64: Drop define _GNU_SOURCE

[Edward Liaw]

_GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent
redefinition warnings.

Fixes: 809216233555 ("selftests/harness: remove use of LINE_MAX")
Signed-off-by: Edward Liaw <edliaw at google.com>
---
 tools/testing/selftests/arm64/fp/fp-ptrace.c              | 3 ---
 tools/testing/selftests/arm64/fp/fp-stress.c              | 2 --
 tools/testing/selftests/arm64/fp/vlset.c                  | 1 -
 tools/testing/selftests/arm64/mte/check_buffer_fill.c     | 3 ---
 tools/testing/selftests/arm64/mte/check_child_memory.c    | 3 ---
 tools/testing/selftests/arm64/mte/check_gcr_el1_cswitch.c | 3 ---
 tools/testing/selftests/arm64/mte/check_ksm_options.c     | 3 ---
 tools/testing/selftests/arm64/mte/check_mmap_options.c    | 3 ---
 tools/testing/selftests/arm64/mte/check_tags_inclusion.c  | 3 ---
 tools/testing/selftests/arm64/mte/check_user_mem.c        | 3 ---
 tools/testing/selftests/arm64/pauth/pac.c                 | 3 ---
 11 files changed, 30 deletions(-)

diff --git a/tools/testing/selftests/arm64/fp/fp-ptrace.c b/tools/testing/selftests/arm64/fp/fp-ptrace.c
index c7ceafe5f471..eb1f14047361 100644
--- a/tools/testing/selftests/arm64/fp/fp-ptrace.c
+++ b/tools/testing/selftests/arm64/fp/fp-ptrace.c
@@ -3,9 +3,6 @@
  * Copyright (C) 2023 ARM Limited.
  * Original author: Mark Brown <broonie at kernel.org>
  */
-
-#define _GNU_SOURCE
-
 #include <errno.h>
 #include <stdbool.h>
 #include <stddef.h>
diff --git a/tools/testing/selftests/arm64/fp/fp-stress.c b/tools/testing/selftests/arm64/fp/fp-stress.c
index dd31647b00a2..042f736970c2 100644
--- a/tools/testing/selftests/arm64/fp/fp-stress.c
+++ b/tools/testing/selftests/arm64/fp/fp-stress.c
@@ -2,8 +2,6 @@
 /*
  * Copyright (C) 2022 ARM Limited.
  */
-
-#define _GNU_SOURCE
 #define _POSIX_C_SOURCE 199309L
 
 #include <errno.h>
diff --git a/tools/testing/selftests/arm64/fp/vlset.c b/tools/testing/selftests/arm64/fp/vlset.c
index 76912a581a95..e572c0483c3a 100644
--- a/tools/testing/selftests/arm64/fp/vlset.c
+++ b/tools/testing/selftests/arm64/fp/vlset.c
@@ -3,7 +3,6 @@
  * Copyright (C) 2015-2019 ARM Limited.
  * Original author: Dave Martin <Dave.Martin at arm.com>
  */
-#define _GNU_SOURCE
 #include <assert.h>
 #include <errno.h>
 #include <limits.h>
diff --git a/tools/testing/selftests/arm64/mte/check_buffer_fill.c b/tools/testing/selftests/arm64/mte/check_buffer_fill.c
index 1dbbbd47dd50..c0d91f0c7a4d 100644
--- a/tools/testing/selftests/arm64/mte/check_buffer_fill.c
+++ b/tools/testing/selftests/arm64/mte/check_buffer_fill.c
@@ -1,8 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 // Copyright (C) 2020 ARM Limited
-
-#define _GNU_SOURCE
-
 #include <stddef.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/tools/testing/selftests/arm64/mte/check_child_memory.c b/tools/testing/selftests/arm64/mte/check_child_memory.c
index 7597fc632cad..ef69abc7c82d 100644
--- a/tools/testing/selftests/arm64/mte/check_child_memory.c
+++ b/tools/testing/selftests/arm64/mte/check_child_memory.c
@@ -1,8 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 // Copyright (C) 2020 ARM Limited
-
-#define _GNU_SOURCE
-
 #include <errno.h>
 #include <signal.h>
 #include <stdio.h>
diff --git a/tools/testing/selftests/arm64/mte/check_gcr_el1_cswitch.c b/tools/testing/selftests/arm64/mte/check_gcr_el1_cswitch.c
index 325bca0de0f6..aaa5519c6bbd 100644
--- a/tools/testing/selftests/arm64/mte/check_gcr_el1_cswitch.c
+++ b/tools/testing/selftests/arm64/mte/check_gcr_el1_cswitch.c
@@ -1,8 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 // Copyright (C) 2020 ARM Limited
-
-#define _GNU_SOURCE
-
 #include <errno.h>
 #include <pthread.h>
 #include <stdint.h>
diff --git a/tools/testing/selftests/arm64/mte/check_ksm_options.c b/tools/testing/selftests/arm64/mte/check_ksm_options.c
index 88c74bc46d4f..76357f914125 100644
--- a/tools/testing/selftests/arm64/mte/check_ksm_options.c
+++ b/tools/testing/selftests/arm64/mte/check_ksm_options.c
@@ -1,8 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 // Copyright (C) 2020 ARM Limited
-
-#define _GNU_SOURCE
-
 #include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
diff --git a/tools/testing/selftests/arm64/mte/check_mmap_options.c b/tools/testing/selftests/arm64/mte/check_mmap_options.c
index 17694caaff53..66bddc8fe385 100644
--- a/tools/testing/selftests/arm64/mte/check_mmap_options.c
+++ b/tools/testing/selftests/arm64/mte/check_mmap_options.c
@@ -1,8 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 // Copyright (C) 2020 ARM Limited
-
-#define _GNU_SOURCE
-
 #include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
diff --git a/tools/testing/selftests/arm64/mte/check_tags_inclusion.c b/tools/testing/selftests/arm64/mte/check_tags_inclusion.c
index 2b1425b92b69..e66d8b8d5bdc 100644
--- a/tools/testing/selftests/arm64/mte/check_tags_inclusion.c
+++ b/tools/testing/selftests/arm64/mte/check_tags_inclusion.c
@@ -1,8 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 // Copyright (C) 2020 ARM Limited
-
-#define _GNU_SOURCE
-
 #include <errno.h>
 #include <signal.h>
 #include <stdio.h>
diff --git a/tools/testing/selftests/arm64/mte/check_user_mem.c b/tools/testing/selftests/arm64/mte/check_user_mem.c
index f4ae5f87a3b7..220a8795d889 100644
--- a/tools/testing/selftests/arm64/mte/check_user_mem.c
+++ b/tools/testing/selftests/arm64/mte/check_user_mem.c
@@ -1,8 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 // Copyright (C) 2020 ARM Limited
-
-#define _GNU_SOURCE
-
 #include <assert.h>
 #include <errno.h>
 #include <fcntl.h>
diff --git a/tools/testing/selftests/arm64/pauth/pac.c b/tools/testing/selftests/arm64/pauth/pac.c
index b743daa772f5..b5205c2fc652 100644
--- a/tools/testing/selftests/arm64/pauth/pac.c
+++ b/tools/testing/selftests/arm64/pauth/pac.c
@@ -1,8 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
 // Copyright (C) 2020 ARM Limited
-
-#define _GNU_SOURCE
-
 #include <sys/auxv.h>
 #include <sys/types.h>
 #include <sys/wait.h>
-- 
2.45.0.118.g7fe29c98d7-goog