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([121.148.108.47]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a7193dedacsm92978525ad.58.2026.01.19.03.21.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Jan 2026 03:21:35 -0800 (PST) From: UYeol Jo To: Shuah Khan Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, richard.weiyang@gmail.com, akpm@linux-foundation.org, sef1548@gmail.com, jouyeol8739@gmail.com Subject: [PATCH] selftests/ipc: skip msgque test if MSG_COPY is not supported Date: Mon, 19 Jan 2026 20:21:20 +0900 Message-ID: <20260119112120.83592-1-jouyeol8739@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The msgque test uses the MSG_COPY flag, which depends on CONFIG_CHECKPOINT_RESTORE. On kernels where this option is disabled, msgrcv() fails with ENOSYS. Currently, the test reports this as a failure: Change it to skip the test instead, as the failure is due to missing kernel configuration rather than a bug in the IPC subsystem. # selftests: ipc: msgque # not ok 1 Failed to copy IPC message: Function not implemented (38) # not ok 2 Failed to dump queue: -38 After this patch, the test reports a skip instead of failure: 1..0 # SKIP MSG_COPY not supported Signed-off-by: UYeol Jo --- tools/testing/selftests/ipc/msgque.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/testing/selftests/ipc/msgque.c b/tools/testing/selftests= /ipc/msgque.c index e107379d185c..82f73cdae120 100644 --- a/tools/testing/selftests/ipc/msgque.c +++ b/tools/testing/selftests/ipc/msgque.c @@ -161,6 +161,9 @@ int dump_queue(struct msgque_data *msgque) ret =3D msgrcv(msgque->msq_id, &msgque->messages[i].mtype, MAX_MSG_SIZE, i, IPC_NOWAIT | MSG_COPY); if (ret < 0) { + if (errno =3D=3D ENOSYS) + ksft_exit_skip("MSG_COPY not supported\n"); + ksft_test_result_fail("Failed to copy IPC message: %m (%d)\n", errno); return -errno; } --=20 2.43.0