From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 62448CD1288 for ; Wed, 3 Apr 2024 13:24:01 +0000 (UTC) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=OhJtgPoS; dkim-atps=neutral Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4V8lnr0Zmgz3w1Y for ; Thu, 4 Apr 2024 00:24:00 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20230601 header.b=OhJtgPoS; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::62d; helo=mail-pl1-x62d.google.com; envelope-from=groeck7@gmail.com; receiver=lists.ozlabs.org) Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4V8lj60GJLz3w1X for ; Thu, 4 Apr 2024 00:19:53 +1100 (AEDT) Received: by mail-pl1-x62d.google.com with SMTP id d9443c01a7336-1e2987e9d06so3697325ad.2 for ; Wed, 03 Apr 2024 06:19:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1712150391; x=1712755191; darn=lists.ozlabs.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:sender:from:to:cc:subject:date :message-id:reply-to; bh=0HH3He2M5JGBbpn1IyUzwQbFpqNeS8i3zDjnB0NO5L0=; b=OhJtgPoS8xG+z2ad9pV3P3rE7XZM0YKaNmljCoI2NoYGsMyxXJ+07XmcLtHTLJ+Lk6 hab7r+mnfx4zAnbhzcG4MVQrkeqn43T4ZW0xRrhqSXIgaVV5WE4HD3k+e4PI17oqxLJ4 7B5wdj3X6rLBXwhMQOKF4W3d4QGIHXNjDUN/hTTxlWVR/Atc513YQ2Hi/K5ppdZybYrS 2j/9bozI+/Bqe0tbiEfEW0o69/P2d46DzU/24PryrExuE0U1tO+U/T4qtNN7hzY2e1f8 8pJPfmpgntJ2Q0yVjDBelxUX6W0gJZddLZrs9NdTXMlBey2NVBlbxLD+1BiXaMQbJ4To MmPw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712150391; x=1712755191; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:sender:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=0HH3He2M5JGBbpn1IyUzwQbFpqNeS8i3zDjnB0NO5L0=; b=tlsfWEojy2Mkany3CAakjVkFuZ6iX9aulYsH0FeXaUaXm0fkOFgdKYdIrSSwFySWzi K19l1/njWYHEgu84GLw3Lab/bzfEuNkVD/vC0oUIlMZuiJ37vqpblI/wpQKXPFbctac1 ZsgOM7sKCtXauMfZ+HNhINErkpLZGD0LLIHr+0gdcvJPZZ9rcZLg+HY7WTNyaeuxwGrI 2WZ7L/FoA4JJQozylgUEULdp2I6a8PUorO+CxI5VIodIJdMaWjdvGIEVFZchaQFX4Xht y+AaysWEW3bi8mw2JUJUEaTiiJtlhZ9uY8WUPwrEpwljBFzqvmQaYRHKjB98ZXeewDJZ vqRA== X-Forwarded-Encrypted: i=1; AJvYcCXxVC6GqGy2FyjbcoUcOekO4pbJBC/N3xK2H6dErQ/Zndwj1sDmzPPxVmSHjCrZtNqILBN0NaJmw6apXyWcH2BVexztmQyewlDctd/psw== X-Gm-Message-State: AOJu0YxAqTwfFvXkGEavgyoEGfiGrqoIyzySi3ELGXnq8hCMQ9LxG2Ys WRpMINN06oZyYJyFZ9I2HnUn6hhg3AS4oyKxrHlG2/ZdbRz023mn X-Google-Smtp-Source: AGHT+IGzp4oN8GRSo/9EyN0xy1NOVYsP3l70Car4fBvR2s7g6gbB9/O+yleAACI5/eSTY78txokLLg== X-Received: by 2002:a17:903:d1:b0:1e2:a177:d6b with SMTP id x17-20020a17090300d100b001e2a1770d6bmr229571plc.19.1712150391428; Wed, 03 Apr 2024 06:19:51 -0700 (PDT) Received: from server.roeck-us.net ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id h1-20020a170902b94100b001dd0c5d5227sm13149194pls.193.2024.04.03.06.19.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Apr 2024 06:19:50 -0700 (PDT) From: Guenter Roeck To: linux-kselftest@vger.kernel.org Subject: [PATCH v3 05/15] drm: Suppress intentional warning backtraces in scaling unit tests Date: Wed, 3 Apr 2024 06:19:26 -0700 Message-Id: <20240403131936.787234-6-linux@roeck-us.net> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240403131936.787234-1-linux@roeck-us.net> References: <20240403131936.787234-1-linux@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: x86@kernel.org, loongarch@lists.linux.dev, linux-doc@vger.kernel.org, dri-devel@lists.freedesktop.org, Brendan Higgins , linux-riscv@lists.infradead.org, David Airlie , Arthur Grillo , =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Daniel Diaz , linux-sh@vger.kernel.org, Naresh Kamboju , =?UTF-8?q?Ma=C3=ADra=20Canal?= , Dan Carpenter , Linux Kernel Functional Testing , Guenter Roeck , Kees Cook , Arnd Bergmann , Maarten Lankhorst , Maxime Ripard , David Gow , Daniel Vetter , linux-arm-kernel@lists.infradead.org, kunit-dev@googlegroups.com, linux-parisc@vger.kernel.org, net dev@vger.kernel.org, linux-kernel@vger.kernel.org, Thomas Zimmermann , Andrew Morton , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" The drm_test_rect_calc_hscale and drm_test_rect_calc_vscale unit tests intentionally trigger warning backtraces by providing bad parameters to the tested functions. What is tested is the return value, not the existence of a warning backtrace. Suppress the backtraces to avoid clogging the kernel log and distraction from real problems. Tested-by: Linux Kernel Functional Testing Acked-by: Dan Carpenter Acked-by: Maíra Canal Cc: Maarten Lankhorst Cc: David Airlie Cc: Daniel Vetter Signed-off-by: Guenter Roeck --- v2: - Rebased to v6.9-rc1 - Added Tested-by:, Acked-by:, and Reviewed-by: tags v3: - Rebased to v6.9-rc2 drivers/gpu/drm/tests/drm_rect_test.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/gpu/drm/tests/drm_rect_test.c b/drivers/gpu/drm/tests/drm_rect_test.c index 76332cd2ead8..66851769ee32 100644 --- a/drivers/gpu/drm/tests/drm_rect_test.c +++ b/drivers/gpu/drm/tests/drm_rect_test.c @@ -406,22 +406,38 @@ KUNIT_ARRAY_PARAM(drm_rect_scale, drm_rect_scale_cases, drm_rect_scale_case_desc static void drm_test_rect_calc_hscale(struct kunit *test) { + DEFINE_SUPPRESSED_WARNING(drm_calc_scale); const struct drm_rect_scale_case *params = test->param_value; int scaling_factor; + /* + * drm_rect_calc_hscale() generates a warning backtrace whenever bad + * parameters are passed to it. This affects all unit tests with an + * error code in expected_scaling_factor. + */ + START_SUPPRESSED_WARNING(drm_calc_scale); scaling_factor = drm_rect_calc_hscale(¶ms->src, ¶ms->dst, params->min_range, params->max_range); + END_SUPPRESSED_WARNING(drm_calc_scale); KUNIT_EXPECT_EQ(test, scaling_factor, params->expected_scaling_factor); } static void drm_test_rect_calc_vscale(struct kunit *test) { + DEFINE_SUPPRESSED_WARNING(drm_calc_scale); const struct drm_rect_scale_case *params = test->param_value; int scaling_factor; + /* + * drm_rect_calc_vscale() generates a warning backtrace whenever bad + * parameters are passed to it. This affects all unit tests with an + * error code in expected_scaling_factor. + */ + START_SUPPRESSED_WARNING(drm_calc_scale); scaling_factor = drm_rect_calc_vscale(¶ms->src, ¶ms->dst, params->min_range, params->max_range); + END_SUPPRESSED_WARNING(drm_calc_scale); KUNIT_EXPECT_EQ(test, scaling_factor, params->expected_scaling_factor); } -- 2.39.2