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 X-Spam-Level: X-Spam-Status: No, score=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 66248C4320A for ; Sat, 31 Jul 2021 08:25:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4AFC560F39 for ; Sat, 31 Jul 2021 08:25:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232756AbhGaIZe (ORCPT ); Sat, 31 Jul 2021 04:25:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50168 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229703AbhGaIZc (ORCPT ); Sat, 31 Jul 2021 04:25:32 -0400 Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 94D61C06175F for ; Sat, 31 Jul 2021 01:25:26 -0700 (PDT) Received: by mail-pl1-x62a.google.com with SMTP id m11so1651920plx.4 for ; Sat, 31 Jul 2021 01:25:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=mHdpvkbP+f+dtX797YzbOAyZjqosEwv+iX1MkyFepyo=; b=FgD1XECONq1EEacsOnbHTBSX9RTttVxZCK7tvs4bHdTD0PFR+DLQFGoGIB7yau7x3A aIjFV07RmNaD6CUmzpWt6gL0WCwibOpNLZs5IIRJEyAMGI/xeNOX6IXVyMQyWmgikBmr dtaxcd+sRmDLQk3l8YeRD9Zo7IoykCTeTLsfgeiAHBIcTbrSZf5a4B1Db/H06hWFzcQF B7Yexkb75+Yh8vk+ZKLhh2afiLafMC26x57vMDPdJOpdNxnSVayOemPL6NfTWIkfS5zv 4JyUiwUYvvl3UE6C+W+Vm5m4Nfntb6R7jj2add3fXmLSrdvnLXCPvF4nyaIJiBndtd42 /TJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=mHdpvkbP+f+dtX797YzbOAyZjqosEwv+iX1MkyFepyo=; b=OwBc+Xhmkmth98rjDEweY9pElgjnUdplmSI4UlOPy5yG60M8o5peUDzwgvKuImZ7Jq 6sHdskv35JENUZZM85vsF/NQE/RvKgqDa+q1tjLdXWfNr0BWFZP72LClkjLfRa08PLxI rXGeV/2Czoi3diYawG6JR/OekVj3htducyZQsiT+hzZszergPo5VwQCsxQBWM14bBpsG eCjrVe2f6Nc+lXMIyY5pXTD14bOt8f44ZBS+096f950EH4xmyMriH5bsFSj3gDilHHoe ZAJOTRk6KOn8VvSKVrYG10iQyOpjh/fRKt1htyKjLCcZaEbHEwiN4KJ3kgO9+qVDCuHe qTGQ== X-Gm-Message-State: AOAM533fhFjVpDM4G/BGDRvGssX8TjYjUjLQ3nUw301i309d6KdwXHmn EOn7n7PXmMeiWnWRQn7c+wA= X-Google-Smtp-Source: ABdhPJzV88a/NgZkzpC2Uk3z53JeCgHQMRG5Zr9JcgffkGLRyOiiycYGDbfxycax3nceUGRo8HTqOQ== X-Received: by 2002:a17:90b:f92:: with SMTP id ft18mr7360311pjb.31.1627719926122; Sat, 31 Jul 2021 01:25:26 -0700 (PDT) Received: from localhost.localdomain ([118.200.190.93]) by smtp.gmail.com with ESMTPSA id mq7sm3182124pjb.50.2021.07.31.01.25.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 31 Jul 2021 01:25:25 -0700 (PDT) From: Desmond Cheong Zhi Xi To: maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@linux.ie, daniel@ffwll.ch, peterz@infradead.org, mingo@redhat.com, will@kernel.org, longman@redhat.com, boqun.feng@gmail.com Cc: Desmond Cheong Zhi Xi , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, skhan@linuxfoundation.org, gregkh@linuxfoundation.org, linux-kernel-mentees@lists.linuxfoundation.org Subject: [PATCH v2 0/2] locking/lockdep, drm: apply new lockdep assert in drm_auth.c Date: Sat, 31 Jul 2021 16:24:56 +0800 Message-Id: <20210731082458.1962043-1-desmondcheongzx@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, Following a discussion on the patch ("drm: use the lookup lock in drm_is_current_master") [1], Peter Zijlstra proposed new lockdep_assert helpers to make it convenient to compose lockdep checks together. This series includes the patch that introduces the new lockdep helpers, then utilizes these helpers in drm_is_current_master_locked in the following patch. v1 -> v2: Patch 2: - Updated the kerneldoc on the lock design of drm_file.master to explain the use of lockdep_assert(). As suggested by Boqun Feng. Link: https://lore.kernel.org/lkml/20210722092929.244629-2-desmondcheongzx@gmail.com/ [1] Best wishes, Desmond Desmond Cheong Zhi Xi (1): drm: add lockdep assert to drm_is_current_master_locked Peter Zijlstra (1): locking/lockdep: Provide lockdep_assert{,_once}() helpers drivers/gpu/drm/drm_auth.c | 6 +++--- include/drm/drm_file.h | 4 ++++ include/linux/lockdep.h | 41 +++++++++++++++++++------------------- 3 files changed, 28 insertions(+), 23 deletions(-) -- 2.25.1