[PATCH] testing/bpf: Update test names for xchg and cmpxchg

["Paul E. McKenney" <paulmck@xxxxxxxxxx>]

The test_cmpxchg() and test_xchg() functions say "test_run add".
Therefore, make them say "test_run cmpxchg" and "test_run xchg",
respectively.

Cc: Shuah Khan <shuah@xxxxxxxxxx>
Cc: Alexei Starovoitov <ast@xxxxxxxxxx>
Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Cc: Andrii Nakryiko <andrii@xxxxxxxxxx>
Cc: Martin KaFai Lau <kafai@xxxxxx>
Cc: Song Liu <songliubraving@xxxxxx>
Cc: Yonghong Song <yhs@xxxxxx>
Cc: John Fastabend <john.fastabend@xxxxxxxxx>
Cc: KP Singh <kpsingh@xxxxxxxxxx>
Cc: <linux-kselftest@xxxxxxxxxxxxxxx>
Cc: <netdev@xxxxxxxxxxxxxxx>
Cc: <bpf@xxxxxxxxxxxxxxx>
Cc: <linux-kernel@xxxxxxxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>

diff --git a/tools/testing/selftests/bpf/prog_tests/atomics.c b/tools/testing/selftests/bpf/prog_tests/atomics.c
index 0f9525293881b..86b7d5d84eec4 100644
--- a/tools/testing/selftests/bpf/prog_tests/atomics.c
+++ b/tools/testing/selftests/bpf/prog_tests/atomics.c
@@ -167,7 +167,7 @@ static void test_cmpxchg(struct atomics_lskel *skel)
 	prog_fd = skel->progs.cmpxchg.prog_fd;
 	err = bpf_prog_test_run(prog_fd, 1, NULL, 0,
 				NULL, NULL, &retval, &duration);
-	if (CHECK(err || retval, "test_run add",
+	if (CHECK(err || retval, "test_run cmpxchg",
 		  "err %d errno %d retval %d duration %d\n", err, errno, retval, duration))
 		goto cleanup;
 
@@ -196,7 +196,7 @@ static void test_xchg(struct atomics_lskel *skel)
 	prog_fd = skel->progs.xchg.prog_fd;
 	err = bpf_prog_test_run(prog_fd, 1, NULL, 0,
 				NULL, NULL, &retval, &duration);
-	if (CHECK(err || retval, "test_run add",
+	if (CHECK(err || retval, "test_run xchg",
 		  "err %d errno %d retval %d duration %d\n", err, errno, retval, duration))
 		goto cleanup;