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Mon, 25 Mar 2024 10:53:02 -0700 (PDT) From: Guenter Roeck To: linux-kselftest@vger.kernel.org Subject: [PATCH v2 05/14] drm: Suppress intentional warning backtraces in scaling unit tests Date: Mon, 25 Mar 2024 10:52:39 -0700 Message-Id: <20240325175248.1499046-6-linux@roeck-us.net> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240325175248.1499046-1-linux@roeck-us.net> References: <20240325175248.1499046-1-linux@roeck-us.net> MIME-Version: 1.0 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: 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?b?VmlsbGUgU3lyasOkbMOk?= , 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_Canal?= , 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, netdev@vger.kernel. org, linux-kernel@vger.kernel.org, Thomas Zimmermann , Andrew Morton , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.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. Tested-by: Linux Kernel Functional Testing Acked-by: Dan Carpenter Signed-off-by: Guenter Roeck Acked-by: Maíra Canal --- - Rebased to v6.9-rc1 - Added Tested-by:, Acked-by:, and Reviewed-by: tags drivers/gpu/drm/tests/drm_rect_test.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/tests/drm_rect_test.c b/drivers/gpu/drm/tests/drm_rect_test.c index 76332cd2ead8..75614cb4deb5 100644 --- a/drivers/gpu/drm/tests/drm_rect_test.c +++ b/drivers/gpu/drm/tests/drm_rect_test.c @@ -406,22 +406,28 @@ 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; + 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; + 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); }