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    Subject[PATCH v3 54/68] selftests/rseq: Drop define _GNU_SOURCE
    From
    _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")
    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/rseq/basic_percpu_ops_test.c | 1 -
    tools/testing/selftests/rseq/basic_test.c | 2 --
    tools/testing/selftests/rseq/param_test.c | 1 -
    tools/testing/selftests/rseq/rseq.c | 2 --
    4 files changed, 6 deletions(-)

    diff --git a/tools/testing/selftests/rseq/basic_percpu_ops_test.c b/tools/testing/selftests/rseq/basic_percpu_ops_test.c
    index 2348d2c20d0a..5961c24ee1ae 100644
    --- a/tools/testing/selftests/rseq/basic_percpu_ops_test.c
    +++ b/tools/testing/selftests/rseq/basic_percpu_ops_test.c
    @@ -1,5 +1,4 @@
    // SPDX-License-Identifier: LGPL-2.1
    -#define _GNU_SOURCE
    #include <assert.h>
    #include <pthread.h>
    #include <sched.h>
    diff --git a/tools/testing/selftests/rseq/basic_test.c b/tools/testing/selftests/rseq/basic_test.c
    index 295eea16466f..1fed749b4bd7 100644
    --- a/tools/testing/selftests/rseq/basic_test.c
    +++ b/tools/testing/selftests/rseq/basic_test.c
    @@ -2,8 +2,6 @@
    /*
    * Basic test coverage for critical regions and rseq_current_cpu().
    */
    -
    -#define _GNU_SOURCE
    #include <assert.h>
    #include <sched.h>
    #include <signal.h>
    diff --git a/tools/testing/selftests/rseq/param_test.c b/tools/testing/selftests/rseq/param_test.c
    index 2f37961240ca..48a55d94eb72 100644
    --- a/tools/testing/selftests/rseq/param_test.c
    +++ b/tools/testing/selftests/rseq/param_test.c
    @@ -1,5 +1,4 @@
    // SPDX-License-Identifier: LGPL-2.1
    -#define _GNU_SOURCE
    #include <assert.h>
    #include <linux/membarrier.h>
    #include <pthread.h>
    diff --git a/tools/testing/selftests/rseq/rseq.c b/tools/testing/selftests/rseq/rseq.c
    index 96e812bdf8a4..88602889414c 100644
    --- a/tools/testing/selftests/rseq/rseq.c
    +++ b/tools/testing/selftests/rseq/rseq.c
    @@ -14,8 +14,6 @@
    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
    * Lesser General Public License for more details.
    */
    -
    -#define _GNU_SOURCE
    #include <errno.h>
    #include <sched.h>
    #include <stdio.h>
    --
    2.45.0.118.g7fe29c98d7-goog

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