From nobody Tue Feb 10 18:59:17 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 10BB329B214; Tue, 10 Jun 2025 14:18:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749565114; cv=none; b=EJsDqKn+YFmVR2K0F4EJoix1s+EVLqv/MSsajA5Sa43IEUh6hyJfHvosLO2JN3dqPH/RaDIj0KWa8cvjXWegiwx1R3MPs/coG47R7OkW0K7LCmWs3HTsRIJLrJWJkGJ7zVsW991ymtfVZkUkOWEzWIRkrCtY9k/s00zPIxuEUrk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749565114; c=relaxed/simple; bh=+8K7IHPM2fvcDtNu46rok2dhi80R6Thr3mEpDEugxAg=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=C0AKtJeCxQ2NFLM+U3leYdbBblOOxQ64RhYwntKyXeQ1buAD1LWzV36I2E12/aG7ITkYBBcsWeMRFbFeOGVBVPbgDDFJJqR9na/+TK39sXFQFQnCsCBY67ltBE3ThcltiTC5djrQ8qsy7vaoHh95RTVQvSilOmTNUuO7nKWT+lQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FCdqnfFA; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="FCdqnfFA" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5B831C4CEF1; Tue, 10 Jun 2025 14:18:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1749565113; bh=+8K7IHPM2fvcDtNu46rok2dhi80R6Thr3mEpDEugxAg=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=FCdqnfFAUl4A99tXQMEDoFQqQcOvFS37YTuPwHgEMxcSPHDMdFUmZF72YGIUA21x/ zxdBiV+15DDZPb6Xvoy6Bj5Sx2q/S084Ua10cC3xsGe+HznmB390bUh7sZpzDgcxOY Iu6DK3hWSgrEySXM/HpeEWVEdWDr5MOx0j5BNRWf4xcIwk7kSnP+CzbWArdCBJ2LKq kJBJn0zqYsXmBc+ZvM20kxdlAseOtSGWyXvnwssG4+c/WkJkKt2igKJVS820XrhZUX L2vhZuMTIJkSl96eMNQnXaBf82co4h54CohNs4SB4U1V7U+CpsOqa2z8FhUDI0Q1pT 4jFclgj/TQpng== From: Mark Brown Date: Tue, 10 Jun 2025 15:13:55 +0100 Subject: [PATCH 2/4] selftests/mm: Convert some cow error reports to ksft_perror() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250610-selftest-mm-cow-tweaks-v1-2-43cd7457500f@kernel.org> References: <20250610-selftest-mm-cow-tweaks-v1-0-43cd7457500f@kernel.org> In-Reply-To: <20250610-selftest-mm-cow-tweaks-v1-0-43cd7457500f@kernel.org> To: Andrew Morton , Shuah Khan , David Hildenbrand Cc: linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Brown X-Mailer: b4 0.15-dev-c25d1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1392; i=broonie@kernel.org; h=from:subject:message-id; bh=+8K7IHPM2fvcDtNu46rok2dhi80R6Thr3mEpDEugxAg=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBoSD6yARNVcgIIAyMWNkKfVEgWVOv+rHJU+IwHQGaA c236rxGJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCaEg+sgAKCRAk1otyXVSH0EO8B/ 4tIObYcoHExr8QY9lLg8h65TZOO5K4KTzeF5m1iMQdEH7OtmBkOlYTQtEeZ8Gx88pOR8uzSFC2uxUm HrOqjH9RZv7R4WNKP3wKmAG7ojauFv8vuuWDyv9i3UtwFQNWiRK9l/2WFGjuCT46bU0UKzyCddTcjo FImOnCwUgbo9jiwXCKeeqvR+NERpp1w8PH6EeyemJy4O7jopdebKr+02h5rDyMZKUraWsZd/8Iri/L kWaLx/Pu66Z2jt1Brruzcb4ok0YvvtWRLv1wAjZYayOA0eP7xaX3PK0wUw5wJ7ZscC8OtdHfMc/T1D zpAf2lurm+6njmmJjuXrrB6FybfoWC X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB This prints the errno and a string decode of it. Reported-by: David Hildenbrand Signed-off-by: Mark Brown Acked-by: David Hildenbrand --- tools/testing/selftests/mm/cow.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/mm/cow.c b/tools/testing/selftests/mm/= cow.c index 0adc0ab142c1..ff80329313e4 100644 --- a/tools/testing/selftests/mm/cow.c +++ b/tools/testing/selftests/mm/cow.c @@ -332,7 +332,7 @@ static void do_test_vmsplice_in_parent(char *mem, size_= t size, if (before_fork) { transferred =3D vmsplice(fds[1], &iov, 1, 0); if (transferred <=3D 0) { - ksft_print_msg("vmsplice() failed\n"); + ksft_perror("vmsplice() failed\n"); log_test_result(KSFT_FAIL); goto close_pipe; } @@ -562,7 +562,7 @@ static void do_test_iouring(char *mem, size_t size, boo= l use_fork) while (total < size) { cur =3D pread(fd, tmp + total, size - total, total); if (cur < 0) { - ksft_print_msg("pread() failed\n"); + ksft_perror("pread() failed\n"); log_test_result(KSFT_FAIL); goto quit_child; } @@ -628,7 +628,7 @@ static void do_test_ro_pin(char *mem, size_t size, enum= ro_pin_test test, =20 tmp =3D malloc(size); if (!tmp) { - ksft_print_msg("malloc() failed\n"); + ksft_perror("malloc() failed\n"); log_test_result(KSFT_FAIL); return; } --=20 2.39.5