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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1BADC433EF for ; Mon, 13 Jun 2022 19:22:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349480AbiFMTWN (ORCPT ); Mon, 13 Jun 2022 15:22:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47164 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1348735AbiFMTVY (ORCPT ); Mon, 13 Jun 2022 15:21:24 -0400 Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com [IPv6:2a00:1450:4864:20::436]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E49B2870B for ; Mon, 13 Jun 2022 10:17:51 -0700 (PDT) Received: by mail-wr1-x436.google.com with SMTP id x17so7975541wrg.6 for ; Mon, 13 Jun 2022 10:17:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=6oCYTzwjrLnxnxwyKEfz2WikcR75QzF1FKToWqyNR9I=; b=F51NTLAyPWUJmIcreJGh+nbImazQe30mXy0M1R9WGuNAFL7yNxovOd0I4dYt9TkOYq /oWo/kycfvrF+HhazbbB+32J5kUXFxWTWp/vY4D+6IQnS9UxELCYAXpL0uCnmEooiYw/ RCtD58rL8tsaqMP5UfwZUdlFSlRaB9l24wQpgSQ+Xd+tUM1XqhqgqJeaSqNNshdgc4Ew m+HeNbiKr42hrb2k0Oq0nOUcg8m1PZxxM1h5MHZym3iDUnG+K86b3vq7GltcAY4VNmaN 6KonpQUB3bGRBVD64qQb6DeuxfGJiRDnatmTER/KaMJDN699w5hJ13owDQtQ7QpBqLQU Iazg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6oCYTzwjrLnxnxwyKEfz2WikcR75QzF1FKToWqyNR9I=; b=EBJGh6U8TEaxP8zOzFPwtS7Nh2Xyjlk+vbzKDjUcyLAHS0r/hob1/Xh0voyxYJEj1n E4K1wIVFrw6acgtDstNuG2klS0FNXvd8Wc0sneWnVHeYGxHJHqtQiwySB3C8yjRBs88w FzIT1G873S5KnXq8euUqWhdeaSvHsGU/2pfP2VyHc2s3H7ikBHCy3uDxowS10E/KRSfb TPnQEpk/jd5qSBD/Y22dG4NVqA6J8mQPcr3Ppqaw6BhOEl3FxBN0Joh9sPkWY0VTJKhk CswcTUR4lOKkeTmiTISK92eHxdHogunl8t6Mi3hUQtLFUW7Gt/gj7qnpOG4NlDF658iz +5uA== X-Gm-Message-State: AJIora/BQ3b70itzYmlEhhUlpESr8iqgXVGwxjDziw4PxLIzYHB3okMW FMgND/yMMUrP1stGOl5A+YI= X-Google-Smtp-Source: AGRyM1ukqjdWNtJpNtXwbhf0Bf6agIHIexrRYS1P411Ex0OXC4BusGashejJsEd+0rc1FkF98C2bfg== X-Received: by 2002:adf:f610:0:b0:213:b4e1:7276 with SMTP id t16-20020adff610000000b00213b4e17276mr808828wrp.712.1655140669679; Mon, 13 Jun 2022 10:17:49 -0700 (PDT) Received: from localhost.localdomain ([94.73.36.128]) by smtp.gmail.com with ESMTPSA id a10-20020a056000100a00b0020d106c0386sm9016129wrx.89.2022.06.13.10.17.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Jun 2022 10:17:49 -0700 (PDT) From: =?UTF-8?q?Jos=C3=A9=20Exp=C3=B3sito?= To: javierm@redhat.com Cc: davidgow@google.com, dlatypov@google.com, tzimmermann@suse.de, maarten.lankhorst@linux.intel.com, mripard@kernel.org, airlied@linux.ie, daniel@ffwll.ch, jani.nikula@linux.intel.com, dri-devel@lists.freedesktop.org, kunit-dev@googlegroups.com, linux-kernel@vger.kernel.org, =?UTF-8?q?Jos=C3=A9=20Exp=C3=B3sito?= , Maxime Ripard Subject: [PATCH v3 3/3] drm/doc: Add KUnit documentation Date: Mon, 13 Jun 2022 19:17:38 +0200 Message-Id: <20220613171738.111013-4-jose.exposito89@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220613171738.111013-1-jose.exposito89@gmail.com> References: <20220613171738.111013-1-jose.exposito89@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Explain how to run the KUnit tests present in the DRM subsystem and clarify why the UML-only options were not added to the configuration file present in drivers/gpu/drm/.kunitconfig [1] [2]. [1] https://lore.kernel.org/dri-devel/CABVgOSn8i=LO5p7830h2XU1Jgg0KrN0qTnxkOMhf1oTgxjaKKw@mail.gmail.com/ [2] https://lore.kernel.org/dri-devel/CAGS_qxqpiCim_sy1LDK7PLwVgWf-LKW+uNFTGM=T7ydk-dYcEw@mail.gmail.com/ Reviewed-by: Maxime Ripard Signed-off-by: José Expósito --- Documentation/gpu/drm-internals.rst | 32 +++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/Documentation/gpu/drm-internals.rst b/Documentation/gpu/drm-internals.rst index 38afed24a75c..f1d97e80ca29 100644 --- a/Documentation/gpu/drm-internals.rst +++ b/Documentation/gpu/drm-internals.rst @@ -207,6 +207,38 @@ Utilities :internal: +Unit testing +============ + +KUnit +----- + +KUnit (Kernel unit testing framework) provides a common framework for unit tests +within the Linux kernel. + +This section covers the specifics for the DRM subsystem. For general information +about KUnit, please refer to Documentation/dev-tools/kunit/start.rst. + +How to run the tests? +~~~~~~~~~~~~~~~~~~~~~ + +In order to facilitate running the test suite, a configuration file is present +in ``drivers/gpu/drm/kunit/.kunitconfig``. It can be used by ``kunit.py`` as +follows: + +.. code-block:: bash + + $ ./tools/testing/kunit/kunit.py run --kunitconfig=drivers/gpu/drm/kunit \ + --kconfig_add CONFIG_VIRTIO_UML=y \ + --kconfig_add CONFIG_UML_PCI_OVER_VIRTIO=y + +.. note:: + The configuration included in ``.kunitconfig`` should be as generic as + possible. + ``CONFIG_VIRTIO_UML`` and ``CONFIG_UML_PCI_OVER_VIRTIO`` are not + included in it because they are only required for User Mode Linux. + + Legacy Support Code =================== -- 2.25.1