[PATCH v5 05/68] selftests/bpf: Drop define _GNU_SOURCE

From: Edward Liaw
Date: Tue May 21 2024 - 21:02:04 EST

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

Signed-off-by: Edward Liaw <edliaw@xxxxxxxxxx>
---
tools/testing/selftests/bpf/bench.c | 1 -
tools/testing/selftests/bpf/benchs/bench_trigger.c | 1 -
tools/testing/selftests/bpf/cgroup_helpers.c | 1 -
tools/testing/selftests/bpf/map_tests/task_storage_map.c | 1 -
tools/testing/selftests/bpf/network_helpers.c | 2 --
tools/testing/selftests/bpf/prog_tests/bind_perm.c | 1 -
tools/testing/selftests/bpf/prog_tests/bpf_cookie.c | 1 -
tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt.c | 1 -
tools/testing/selftests/bpf/prog_tests/bpf_obj_pinning.c | 1 -
tools/testing/selftests/bpf/prog_tests/btf_endian.c | 1 -
tools/testing/selftests/bpf/prog_tests/btf_skc_cls_ingress.c | 2 --
tools/testing/selftests/bpf/prog_tests/cgrp_kfunc.c | 2 --
tools/testing/selftests/bpf/prog_tests/cgrp_local_storage.c | 2 --
tools/testing/selftests/bpf/prog_tests/cls_redirect.c | 3 ---
tools/testing/selftests/bpf/prog_tests/connect_ping.c | 2 --
tools/testing/selftests/bpf/prog_tests/core_retro.c | 1 -
tools/testing/selftests/bpf/prog_tests/d_path.c | 1 -
tools/testing/selftests/bpf/prog_tests/deny_namespace.c | 1 -
tools/testing/selftests/bpf/prog_tests/fexit_sleep.c | 1 -
.../testing/selftests/bpf/prog_tests/flow_dissector_reattach.c | 2 --
tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c | 1 -
tools/testing/selftests/bpf/prog_tests/htab_reuse.c | 1 -
tools/testing/selftests/bpf/prog_tests/htab_update.c | 1 -
tools/testing/selftests/bpf/prog_tests/map_in_map.c | 1 -
tools/testing/selftests/bpf/prog_tests/ns_current_pid_tgid.c | 2 --
tools/testing/selftests/bpf/prog_tests/perf_branches.c | 1 -
tools/testing/selftests/bpf/prog_tests/perf_buffer.c | 1 -
tools/testing/selftests/bpf/prog_tests/perf_event_stackmap.c | 1 -
tools/testing/selftests/bpf/prog_tests/perf_link.c | 1 -
tools/testing/selftests/bpf/prog_tests/perf_skip.c | 2 --
tools/testing/selftests/bpf/prog_tests/preempted_bpf_ma_op.c | 1 -
tools/testing/selftests/bpf/prog_tests/rcu_read_lock.c | 2 --
tools/testing/selftests/bpf/prog_tests/reg_bounds.c | 2 --
tools/testing/selftests/bpf/prog_tests/ringbuf.c | 1 -
tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c | 1 -
tools/testing/selftests/bpf/prog_tests/setget_sockopt.c | 2 --
tools/testing/selftests/bpf/prog_tests/sk_assign.c | 2 --
tools/testing/selftests/bpf/prog_tests/sk_lookup.c | 2 --
tools/testing/selftests/bpf/prog_tests/sock_fields.c | 2 --
tools/testing/selftests/bpf/prog_tests/task_kfunc.c | 2 --
tools/testing/selftests/bpf/prog_tests/task_local_storage.c | 2 --
tools/testing/selftests/bpf/prog_tests/task_pt_regs.c | 1 -
tools/testing/selftests/bpf/prog_tests/tcp_custom_syncookie.c | 2 --
tools/testing/selftests/bpf/prog_tests/tcp_hdr_options.c | 2 --
tools/testing/selftests/bpf/prog_tests/test_bpf_ma.c | 1 -
.../testing/selftests/bpf/prog_tests/test_bpf_syscall_macro.c | 1 -
tools/testing/selftests/bpf/prog_tests/test_bpffs.c | 1 -
tools/testing/selftests/bpf/prog_tests/test_overhead.c | 1 -
tools/testing/selftests/bpf/prog_tests/token.c | 1 -
tools/testing/selftests/bpf/prog_tests/trace_ext.c | 2 --
tools/testing/selftests/bpf/prog_tests/trampoline_count.c | 1 -
tools/testing/selftests/bpf/prog_tests/user_ringbuf.c | 2 --
tools/testing/selftests/bpf/prog_tests/xdp_bonding.c | 2 --
tools/testing/selftests/bpf/prog_tests/xdp_synproxy.c | 2 --
tools/testing/selftests/bpf/test_flow_dissector.c | 3 ---
tools/testing/selftests/bpf/test_lru_map.c | 1 -
tools/testing/selftests/bpf/test_progs.c | 1 -
tools/testing/selftests/bpf/test_tcpnotify_user.c | 1 -
tools/testing/selftests/bpf/veristat.c | 1 -
tools/testing/selftests/bpf/xskxceiver.c | 2 --
60 files changed, 87 deletions(-)

diff --git a/tools/testing/selftests/bpf/bench.c b/tools/testing/selftests/bpf/bench.c
index 627b74ae041b..ab06bd67a22c 100644
--- a/tools/testing/selftests/bpf/bench.c
+++ b/tools/testing/selftests/bpf/bench.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
-#define _GNU_SOURCE
#include <argp.h>
#include <linux/compiler.h>
#include <sys/time.h>
diff --git a/tools/testing/selftests/bpf/benchs/bench_trigger.c b/tools/testing/selftests/bpf/benchs/bench_trigger.c
index 4b05539f167d..dc84469cbfa6 100644
--- a/tools/testing/selftests/bpf/benchs/bench_trigger.c
+++ b/tools/testing/selftests/bpf/benchs/bench_trigger.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
-#define _GNU_SOURCE
#include <argp.h>
#include <unistd.h>
#include <stdint.h>
diff --git a/tools/testing/selftests/bpf/cgroup_helpers.c b/tools/testing/selftests/bpf/cgroup_helpers.c
index 23bb9a9e6a7d..3040ba7cc9ba 100644
--- a/tools/testing/selftests/bpf/cgroup_helpers.c
+++ b/tools/testing/selftests/bpf/cgroup_helpers.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
#include <sched.h>
#include <sys/mount.h>
#include <sys/stat.h>
diff --git a/tools/testing/selftests/bpf/map_tests/task_storage_map.c b/tools/testing/selftests/bpf/map_tests/task_storage_map.c
index 7d050364efca..89ff4ed5c59b 100644
--- a/tools/testing/selftests/bpf/map_tests/task_storage_map.c
+++ b/tools/testing/selftests/bpf/map_tests/task_storage_map.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2022. Huawei Technologies Co., Ltd */
-#define _GNU_SOURCE
#include <sched.h>
#include <unistd.h>
#include <stdlib.h>
diff --git a/tools/testing/selftests/bpf/network_helpers.c b/tools/testing/selftests/bpf/network_helpers.c
index 35250e6cde7f..3979a6491282 100644
--- a/tools/testing/selftests/bpf/network_helpers.c
+++ b/tools/testing/selftests/bpf/network_helpers.c
@@ -1,6 +1,4 @@
// SPDX-License-Identifier: GPL-2.0-only
-#define _GNU_SOURCE
-
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/bind_perm.c b/tools/testing/selftests/bpf/prog_tests/bind_perm.c
index f7cd129cb82b..c3839f425ba5 100644
--- a/tools/testing/selftests/bpf/prog_tests/bind_perm.c
+++ b/tools/testing/selftests/bpf/prog_tests/bind_perm.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
#include <sched.h>
#include <stdlib.h>
#include <sys/types.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c b/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c
index 4407ea428e77..a47f453dd7e8 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_cookie.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2021 Facebook */
-#define _GNU_SOURCE
#include <pthread.h>
#include <sched.h>
#include <sys/syscall.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt.c b/tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt.c
index b52ff8ce34db..be8a401eb07a 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_iter_setsockopt.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2021 Facebook */
-#define _GNU_SOURCE
#include <sched.h>
#include <test_progs.h>
#include "network_helpers.h"
diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_obj_pinning.c b/tools/testing/selftests/bpf/prog_tests/bpf_obj_pinning.c
index ee0458a5ce78..e33129203194 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_obj_pinning.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_obj_pinning.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2023 Meta Platforms, Inc. and affiliates. */
-#define _GNU_SOURCE
#include <test_progs.h>
#include <bpf/btf.h>
#include <fcntl.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/btf_endian.c b/tools/testing/selftests/bpf/prog_tests/btf_endian.c
index 5b9f84dbeb43..460b117507bb 100644
--- a/tools/testing/selftests/bpf/prog_tests/btf_endian.c
+++ b/tools/testing/selftests/bpf/prog_tests/btf_endian.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
-#define _GNU_SOURCE
#include <string.h>
#include <byteswap.h>
#include <test_progs.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/btf_skc_cls_ingress.c b/tools/testing/selftests/bpf/prog_tests/btf_skc_cls_ingress.c
index ef4d6a3ae423..1a90d6638147 100644
--- a/tools/testing/selftests/bpf/prog_tests/btf_skc_cls_ingress.c
+++ b/tools/testing/selftests/bpf/prog_tests/btf_skc_cls_ingress.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
-
-#define _GNU_SOURCE
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/cgrp_kfunc.c b/tools/testing/selftests/bpf/prog_tests/cgrp_kfunc.c
index adda85f97058..7f1a6ffdda98 100644
--- a/tools/testing/selftests/bpf/prog_tests/cgrp_kfunc.c
+++ b/tools/testing/selftests/bpf/prog_tests/cgrp_kfunc.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
-
-#define _GNU_SOURCE
#include <cgroup_helpers.h>
#include <test_progs.h>

diff --git a/tools/testing/selftests/bpf/prog_tests/cgrp_local_storage.c b/tools/testing/selftests/bpf/prog_tests/cgrp_local_storage.c
index 747761572098..accd25c2b638 100644
--- a/tools/testing/selftests/bpf/prog_tests/cgrp_local_storage.c
+++ b/tools/testing/selftests/bpf/prog_tests/cgrp_local_storage.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates.*/
-
-#define _GNU_SOURCE
#include <unistd.h>
#include <sys/syscall.h>
#include <sys/types.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/cls_redirect.c b/tools/testing/selftests/bpf/prog_tests/cls_redirect.c
index 34b59f6baca1..598461560fa1 100644
--- a/tools/testing/selftests/bpf/prog_tests/cls_redirect.c
+++ b/tools/testing/selftests/bpf/prog_tests/cls_redirect.c
@@ -1,8 +1,5 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
// Copyright (c) 2020 Cloudflare
-
-#define _GNU_SOURCE
-
#include <arpa/inet.h>
#include <string.h>

diff --git a/tools/testing/selftests/bpf/prog_tests/connect_ping.c b/tools/testing/selftests/bpf/prog_tests/connect_ping.c
index 40fe571f2fe7..f315f09391f7 100644
--- a/tools/testing/selftests/bpf/prog_tests/connect_ping.c
+++ b/tools/testing/selftests/bpf/prog_tests/connect_ping.c
@@ -3,8 +3,6 @@
/*
* Copyright 2022 Google LLC.
*/
-
-#define _GNU_SOURCE
#include <sys/mount.h>

#include "test_progs.h"
diff --git a/tools/testing/selftests/bpf/prog_tests/core_retro.c b/tools/testing/selftests/bpf/prog_tests/core_retro.c
index 4a2c256c8db6..bb1b2ae3502f 100644
--- a/tools/testing/selftests/bpf/prog_tests/core_retro.c
+++ b/tools/testing/selftests/bpf/prog_tests/core_retro.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2020 Facebook
-#define _GNU_SOURCE
#include <test_progs.h>
#include "test_core_retro.skel.h"

diff --git a/tools/testing/selftests/bpf/prog_tests/d_path.c b/tools/testing/selftests/bpf/prog_tests/d_path.c
index ccc768592e66..7f172296c4a1 100644
--- a/tools/testing/selftests/bpf/prog_tests/d_path.c
+++ b/tools/testing/selftests/bpf/prog_tests/d_path.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
#include <test_progs.h>
#include <sys/stat.h>
#include <linux/sched.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/deny_namespace.c b/tools/testing/selftests/bpf/prog_tests/deny_namespace.c
index 1bc6241b755b..ff8d03a906a3 100644
--- a/tools/testing/selftests/bpf/prog_tests/deny_namespace.c
+++ b/tools/testing/selftests/bpf/prog_tests/deny_namespace.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
#include <test_progs.h>
#include "test_deny_namespace.skel.h"
#include <sched.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c b/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c
index f949647dbbc2..4f58a08db082 100644
--- a/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c
+++ b/tools/testing/selftests/bpf/prog_tests/fexit_sleep.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2021 Facebook */
-#define _GNU_SOURCE
#include <sched.h>
#include <test_progs.h>
#include <time.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c b/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c
index 9333f7346d15..1f64ffc9a036 100644
--- a/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector_reattach.c
@@ -2,8 +2,6 @@
/*
* Tests for attaching, detaching, and replacing flow_dissector BPF program.
*/
-
-#define _GNU_SOURCE
#include <errno.h>
#include <fcntl.h>
#include <sched.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c b/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c
index 858e0575f502..080a94cde2dc 100644
--- a/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c
+++ b/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
#include <pthread.h>
#include <sched.h>
#include <sys/socket.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/htab_reuse.c b/tools/testing/selftests/bpf/prog_tests/htab_reuse.c
index a742dd994d60..c80f97405cc2 100644
--- a/tools/testing/selftests/bpf/prog_tests/htab_reuse.c
+++ b/tools/testing/selftests/bpf/prog_tests/htab_reuse.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2023. Huawei Technologies Co., Ltd */
-#define _GNU_SOURCE
#include <sched.h>
#include <stdbool.h>
#include <test_progs.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/htab_update.c b/tools/testing/selftests/bpf/prog_tests/htab_update.c
index 2bc85f4814f4..37fa7fd75858 100644
--- a/tools/testing/selftests/bpf/prog_tests/htab_update.c
+++ b/tools/testing/selftests/bpf/prog_tests/htab_update.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2022. Huawei Technologies Co., Ltd */
-#define _GNU_SOURCE
#include <sched.h>
#include <stdbool.h>
#include <test_progs.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/map_in_map.c b/tools/testing/selftests/bpf/prog_tests/map_in_map.c
index d2a10eb4e5b5..51157f4f4ad6 100644
--- a/tools/testing/selftests/bpf/prog_tests/map_in_map.c
+++ b/tools/testing/selftests/bpf/prog_tests/map_in_map.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2023. Huawei Technologies Co., Ltd */
-#define _GNU_SOURCE
#include <unistd.h>
#include <sys/syscall.h>
#include <test_progs.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/ns_current_pid_tgid.c b/tools/testing/selftests/bpf/prog_tests/ns_current_pid_tgid.c
index e72d75d6baa7..fa8c570584d3 100644
--- a/tools/testing/selftests/bpf/prog_tests/ns_current_pid_tgid.c
+++ b/tools/testing/selftests/bpf/prog_tests/ns_current_pid_tgid.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Carlos Neira cneirabustos@xxxxxxxxx */
-
-#define _GNU_SOURCE
#include <test_progs.h>
#include "test_ns_current_pid_tgid.skel.h"
#include <sys/stat.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/perf_branches.c b/tools/testing/selftests/bpf/prog_tests/perf_branches.c
index bc24f83339d6..d7b6e9405260 100644
--- a/tools/testing/selftests/bpf/prog_tests/perf_branches.c
+++ b/tools/testing/selftests/bpf/prog_tests/perf_branches.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
#include <pthread.h>
#include <sched.h>
#include <sys/socket.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/perf_buffer.c b/tools/testing/selftests/bpf/prog_tests/perf_buffer.c
index 5fc2b3a0711e..d3775af00b0b 100644
--- a/tools/testing/selftests/bpf/prog_tests/perf_buffer.c
+++ b/tools/testing/selftests/bpf/prog_tests/perf_buffer.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
#include <pthread.h>
#include <sched.h>
#include <sys/socket.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/perf_event_stackmap.c b/tools/testing/selftests/bpf/prog_tests/perf_event_stackmap.c
index f4aad35afae1..5edbeaf45459 100644
--- a/tools/testing/selftests/bpf/prog_tests/perf_event_stackmap.c
+++ b/tools/testing/selftests/bpf/prog_tests/perf_event_stackmap.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2020 Facebook
-#define _GNU_SOURCE
#include <pthread.h>
#include <sched.h>
#include <test_progs.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/perf_link.c b/tools/testing/selftests/bpf/prog_tests/perf_link.c
index 3a25f1c743a1..083680a47748 100644
--- a/tools/testing/selftests/bpf/prog_tests/perf_link.c
+++ b/tools/testing/selftests/bpf/prog_tests/perf_link.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2021 Facebook */
-#define _GNU_SOURCE
#include <pthread.h>
#include <sched.h>
#include <test_progs.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/perf_skip.c b/tools/testing/selftests/bpf/prog_tests/perf_skip.c
index 37d8618800e4..92bee9815834 100644
--- a/tools/testing/selftests/bpf/prog_tests/perf_skip.c
+++ b/tools/testing/selftests/bpf/prog_tests/perf_skip.c
@@ -1,6 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
-
#include <test_progs.h>
#include "test_perf_skip.skel.h"
#include <linux/compiler.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/preempted_bpf_ma_op.c b/tools/testing/selftests/bpf/prog_tests/preempted_bpf_ma_op.c
index 3a2ec3923fca..63356b8410e8 100644
--- a/tools/testing/selftests/bpf/prog_tests/preempted_bpf_ma_op.c
+++ b/tools/testing/selftests/bpf/prog_tests/preempted_bpf_ma_op.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2023. Huawei Technologies Co., Ltd */
-#define _GNU_SOURCE
#include <sched.h>
#include <pthread.h>
#include <stdbool.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/rcu_read_lock.c b/tools/testing/selftests/bpf/prog_tests/rcu_read_lock.c
index a1f7e7378a64..da4391d9105d 100644
--- a/tools/testing/selftests/bpf/prog_tests/rcu_read_lock.c
+++ b/tools/testing/selftests/bpf/prog_tests/rcu_read_lock.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates.*/
-
-#define _GNU_SOURCE
#include <unistd.h>
#include <sys/syscall.h>
#include <sys/types.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/reg_bounds.c b/tools/testing/selftests/bpf/prog_tests/reg_bounds.c
index eb74363f9f70..ba59d6ef1c57 100644
--- a/tools/testing/selftests/bpf/prog_tests/reg_bounds.c
+++ b/tools/testing/selftests/bpf/prog_tests/reg_bounds.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2023 Meta Platforms, Inc. and affiliates. */
-
-#define _GNU_SOURCE
#include <limits.h>
#include <test_progs.h>
#include <linux/filter.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf.c b/tools/testing/selftests/bpf/prog_tests/ringbuf.c
index 4c6f42dae409..0091a42f88ce 100644
--- a/tools/testing/selftests/bpf/prog_tests/ringbuf.c
+++ b/tools/testing/selftests/bpf/prog_tests/ringbuf.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
#include <linux/compiler.h>
#include <asm/barrier.h>
#include <test_progs.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c b/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c
index 58522195081b..3dce8575fbb4 100644
--- a/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c
+++ b/tools/testing/selftests/bpf/prog_tests/ringbuf_multi.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
#include <test_progs.h>
#include <sys/epoll.h>
#include "test_ringbuf_multi.skel.h"
diff --git a/tools/testing/selftests/bpf/prog_tests/setget_sockopt.c b/tools/testing/selftests/bpf/prog_tests/setget_sockopt.c
index 7d4a9b3d3722..fc20202d87c8 100644
--- a/tools/testing/selftests/bpf/prog_tests/setget_sockopt.c
+++ b/tools/testing/selftests/bpf/prog_tests/setget_sockopt.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) Meta Platforms, Inc. and affiliates. */
-
-#define _GNU_SOURCE
#include <sched.h>
#include <linux/socket.h>
#include <linux/tls.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/sk_assign.c b/tools/testing/selftests/bpf/prog_tests/sk_assign.c
index 0b9bd1d6f7cc..da3e2e98a894 100644
--- a/tools/testing/selftests/bpf/prog_tests/sk_assign.c
+++ b/tools/testing/selftests/bpf/prog_tests/sk_assign.c
@@ -7,8 +7,6 @@
* socket, regardless of whether the port or address destination of the traffic
* matches the port.
*/
-
-#define _GNU_SOURCE
#include <fcntl.h>
#include <signal.h>
#include <stdlib.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c
index 597d0467a926..86d4831133db 100644
--- a/tools/testing/selftests/bpf/prog_tests/sk_lookup.c
+++ b/tools/testing/selftests/bpf/prog_tests/sk_lookup.c
@@ -13,8 +13,6 @@
*
* Tests run in a dedicated network namespace.
*/
-
-#define _GNU_SOURCE
#include <arpa/inet.h>
#include <assert.h>
#include <errno.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/sock_fields.c b/tools/testing/selftests/bpf/prog_tests/sock_fields.c
index 7d23166c77af..8159bcac07df 100644
--- a/tools/testing/selftests/bpf/prog_tests/sock_fields.c
+++ b/tools/testing/selftests/bpf/prog_tests/sock_fields.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2019 Facebook */
-
-#define _GNU_SOURCE
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/task_kfunc.c b/tools/testing/selftests/bpf/prog_tests/task_kfunc.c
index d4579f735398..a3964524120f 100644
--- a/tools/testing/selftests/bpf/prog_tests/task_kfunc.c
+++ b/tools/testing/selftests/bpf/prog_tests/task_kfunc.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
-
-#define _GNU_SOURCE
#include <sys/wait.h>
#include <test_progs.h>
#include <unistd.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/task_local_storage.c b/tools/testing/selftests/bpf/prog_tests/task_local_storage.c
index c33c05161a9e..6ba2ea723d4e 100644
--- a/tools/testing/selftests/bpf/prog_tests/task_local_storage.c
+++ b/tools/testing/selftests/bpf/prog_tests/task_local_storage.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2021 Facebook */
-
-#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <unistd.h>
#include <sched.h>
#include <pthread.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/task_pt_regs.c b/tools/testing/selftests/bpf/prog_tests/task_pt_regs.c
index f000734a3d1f..87237ecdb3eb 100644
--- a/tools/testing/selftests/bpf/prog_tests/task_pt_regs.c
+++ b/tools/testing/selftests/bpf/prog_tests/task_pt_regs.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
#include <test_progs.h>
#include "test_task_pt_regs.skel.h"

diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_custom_syncookie.c b/tools/testing/selftests/bpf/prog_tests/tcp_custom_syncookie.c
index eaf441dc7e79..05f1b3aa5ebd 100644
--- a/tools/testing/selftests/bpf/prog_tests/tcp_custom_syncookie.c
+++ b/tools/testing/selftests/bpf/prog_tests/tcp_custom_syncookie.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright Amazon.com Inc. or its affiliates. */
-
-#define _GNU_SOURCE
#include <sched.h>
#include <stdlib.h>
#include <net/if.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/tcp_hdr_options.c b/tools/testing/selftests/bpf/prog_tests/tcp_hdr_options.c
index 56685fc03c7e..664d8c111c25 100644
--- a/tools/testing/selftests/bpf/prog_tests/tcp_hdr_options.c
+++ b/tools/testing/selftests/bpf/prog_tests/tcp_hdr_options.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
-
-#define _GNU_SOURCE
#include <sched.h>
#include <stdio.h>
#include <stdlib.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/test_bpf_ma.c b/tools/testing/selftests/bpf/prog_tests/test_bpf_ma.c
index ccae0b31ac6c..fbc510772bf8 100644
--- a/tools/testing/selftests/bpf/prog_tests/test_bpf_ma.c
+++ b/tools/testing/selftests/bpf/prog_tests/test_bpf_ma.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (C) 2023. Huawei Technologies Co., Ltd */
-#define _GNU_SOURCE
#include <sched.h>
#include <pthread.h>
#include <stdbool.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/test_bpf_syscall_macro.c b/tools/testing/selftests/bpf/prog_tests/test_bpf_syscall_macro.c
index 2900c5e9a016..fcc045e1942d 100644
--- a/tools/testing/selftests/bpf/prog_tests/test_bpf_syscall_macro.c
+++ b/tools/testing/selftests/bpf/prog_tests/test_bpf_syscall_macro.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright 2022 Sony Group Corporation */
-#define _GNU_SOURCE
#include <fcntl.h>
#include <sys/prctl.h>
#include <test_progs.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/test_bpffs.c b/tools/testing/selftests/bpf/prog_tests/test_bpffs.c
index ea933fd151c3..c685d13bd6f8 100644
--- a/tools/testing/selftests/bpf/prog_tests/test_bpffs.c
+++ b/tools/testing/selftests/bpf/prog_tests/test_bpffs.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
-#define _GNU_SOURCE
#include <stdio.h>
#include <sched.h>
#include <sys/mount.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/test_overhead.c b/tools/testing/selftests/bpf/prog_tests/test_overhead.c
index f27013e38d03..f9d9ee8f2fa4 100644
--- a/tools/testing/selftests/bpf/prog_tests/test_overhead.c
+++ b/tools/testing/selftests/bpf/prog_tests/test_overhead.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2019 Facebook */
-#define _GNU_SOURCE
#include <sched.h>
#include <sys/prctl.h>
#include <test_progs.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/token.c b/tools/testing/selftests/bpf/prog_tests/token.c
index fc4a175d8d76..0b43aeda54a2 100644
--- a/tools/testing/selftests/bpf/prog_tests/token.c
+++ b/tools/testing/selftests/bpf/prog_tests/token.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2023 Meta Platforms, Inc. and affiliates. */
-#define _GNU_SOURCE
#include <test_progs.h>
#include <bpf/btf.h>
#include "cap_helpers.h"
diff --git a/tools/testing/selftests/bpf/prog_tests/trace_ext.c b/tools/testing/selftests/bpf/prog_tests/trace_ext.c
index aabdff7bea3e..f389bd922ef3 100644
--- a/tools/testing/selftests/bpf/prog_tests/trace_ext.c
+++ b/tools/testing/selftests/bpf/prog_tests/trace_ext.c
@@ -1,6 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-
-#define _GNU_SOURCE
#include <test_progs.h>
#include <network_helpers.h>
#include <sys/stat.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/trampoline_count.c b/tools/testing/selftests/bpf/prog_tests/trampoline_count.c
index 6cd7349d4a2b..f21d7b7dd05e 100644
--- a/tools/testing/selftests/bpf/prog_tests/trampoline_count.c
+++ b/tools/testing/selftests/bpf/prog_tests/trampoline_count.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0-only
-#define _GNU_SOURCE
#include <test_progs.h>

struct inst {
diff --git a/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c b/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c
index e51721df14fc..7532139c8dbd 100644
--- a/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c
+++ b/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
-
-#define _GNU_SOURCE
#include <linux/compiler.h>
#include <linux/ring_buffer.h>
#include <pthread.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c b/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c
index 6d8b54124cb3..ca2e652a0716 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_bonding.c
@@ -8,8 +8,6 @@
* are correctly loaded onto the slave devices and XDP_TX'd
* packets are balanced using bonding.
*/
-
-#define _GNU_SOURCE
#include <sched.h>
#include <net/if.h>
#include <linux/if_link.h>
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_synproxy.c b/tools/testing/selftests/bpf/prog_tests/xdp_synproxy.c
index 8b50a992d233..9496b576e6f5 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_synproxy.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_synproxy.c
@@ -1,7 +1,5 @@
// SPDX-License-Identifier: LGPL-2.1 OR BSD-2-Clause
/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
-
-#define _GNU_SOURCE
#include <test_progs.h>
#include <network_helpers.h>
#include <ctype.h>
diff --git a/tools/testing/selftests/bpf/test_flow_dissector.c b/tools/testing/selftests/bpf/test_flow_dissector.c
index 571cc076dd7d..e427c7e5dd94 100644
--- a/tools/testing/selftests/bpf/test_flow_dissector.c
+++ b/tools/testing/selftests/bpf/test_flow_dissector.c
@@ -6,9 +6,6 @@
* GRE/GUE/BARE outer layer 4, where bare is IPIP/SIT/IPv4-in-IPv6/..
* IPv4/IPv6 inner layer 3
*/
-
-#define _GNU_SOURCE
-
#include <stddef.h>
#include <arpa/inet.h>
#include <asm/byteorder.h>
diff --git a/tools/testing/selftests/bpf/test_lru_map.c b/tools/testing/selftests/bpf/test_lru_map.c
index 4d0650cfb5cd..82ca6df67eab 100644
--- a/tools/testing/selftests/bpf/test_lru_map.c
+++ b/tools/testing/selftests/bpf/test_lru_map.c
@@ -2,7 +2,6 @@
/*
* Copyright (c) 2016 Facebook
*/
-#define _GNU_SOURCE
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index 89ff704e9dad..87b77f4f1ee5 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -1,7 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (c) 2017 Facebook
*/
-#define _GNU_SOURCE
#include "test_progs.h"
#include "testing_helpers.h"
#include "cgroup_helpers.h"
diff --git a/tools/testing/selftests/bpf/test_tcpnotify_user.c b/tools/testing/selftests/bpf/test_tcpnotify_user.c
index 595194453ff8..b415f6457a49 100644
--- a/tools/testing/selftests/bpf/test_tcpnotify_user.c
+++ b/tools/testing/selftests/bpf/test_tcpnotify_user.c
@@ -1,5 +1,4 @@
// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
#include <pthread.h>
#include <inttypes.h>
#include <stdio.h>
diff --git a/tools/testing/selftests/bpf/veristat.c b/tools/testing/selftests/bpf/veristat.c
index b2854238d4a0..d720947a7896 100644
--- a/tools/testing/selftests/bpf/veristat.c
+++ b/tools/testing/selftests/bpf/veristat.c
@@ -1,6 +1,5 @@
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
/* Copyright (c) 2022 Meta Platforms, Inc. and affiliates. */
-#define _GNU_SOURCE
#include <argp.h>
#include <string.h>
#include <stdlib.h>
diff --git a/tools/testing/selftests/bpf/xskxceiver.c b/tools/testing/selftests/bpf/xskxceiver.c
index 2eac0895b0a1..101e37a0cb1b 100644
--- a/tools/testing/selftests/bpf/xskxceiver.c
+++ b/tools/testing/selftests/bpf/xskxceiver.c
@@ -70,8 +70,6 @@
* To enable L2 - L4 headers and payload dump of each packet on STDOUT, add
* parameter -D to params array in test_xsk.sh, i.e. params=("-S" "-D")
*/
-
-#define _GNU_SOURCE
#include <assert.h>
#include <fcntl.h>
#include <errno.h>
--
2.45.1.288.g0e0cd299f1-goog

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