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=-8.5 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,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 37CA6C4320A for ; Mon, 2 Aug 2021 13:17:22 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 010C360F70 for ; Mon, 2 Aug 2021 13:17:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 010C360F70 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 74C2E6E049; Mon, 2 Aug 2021 13:17:21 +0000 (UTC) Received: from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com [IPv6:2607:f8b0:4864:20::1034]) by gabe.freedesktop.org (Postfix) with ESMTPS id 964196E092; Mon, 2 Aug 2021 11:01:06 +0000 (UTC) Received: by mail-pj1-x1034.google.com with SMTP id b1-20020a17090a8001b029017700de3903so18601007pjn.1; Mon, 02 Aug 2021 04:01:06 -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=+4PUslbRzXQEVcyLjM1+XzzP75b9QIYpCs6ACXDfVsQ=; b=PBNkxN6DWeczRn2gcRqifa1l8gMQiDGvhZH1FXQiXg2ttbO/odOC1ivcBqr8H01S0D jfsgV37/i8xj5A2z76bc+oO9ZiUJfPVGooTQzts+RmNLoQnUiSTCT/IOzHCYZ6yL6EQM cosIIp29pDNN1sbFff32hpjqpysYBO8OevzObUWgHJkyaoRN+pQMa6JSXmbMbWiY+z1r QmYH3s1ahk2DAjyNQuRCJ+0Nk4O55ASJjPnCD1sPHF3w09+As/JtRMHCHHjH0USSWBkI Pbnt60nBbzlkLd12fNE1rlrDN7KxV5ZOcIH0y243fIkNxLQT/aePqQtbY6syJf8z+A1u PSHg== 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=+4PUslbRzXQEVcyLjM1+XzzP75b9QIYpCs6ACXDfVsQ=; b=WMIsjmdPrlcmYN+/uw+TPWHzXLzdz8DzS7GXrh4tmUsfEmoDD8JJTMBylbYM9H9Nr9 iybaqnGMTwmnBD6z3Tn/V+FywfHfuzyoG+2sNHparB082N9MFcyjQHz+EV3YyhlAHn3X QX/XfI48KdD0DSCKGhigFtZGWXcqzGk8XNTBOdolQdFLiMh+n7nPOUahuYYVrxnpF1eW IUplVX6fpHBdejycBHgtcC8eSpN77BRb4CuKFrtKDDdr+GAAdap3HIz7wh2wKdbftLr1 SIoOvSUW57pGANv8FD3VzwpffDr2E/gJyIbMHEZKy+q0p6SkIMhgqcx4/hBpX7Irp6ht RcVQ== X-Gm-Message-State: AOAM5300VTVgT2X4SSiPXVdrWLNGsSowNwtk3vQEYOnY4vLK0mZdTQqe rUoqfF43IJ/sVKF8DwzkbMM= X-Google-Smtp-Source: ABdhPJxYoSbH1KU580oT99tsfY14kH5fvF22HdTQpqe2O21iFrCt95Z3GnyJlCAhxGz0r3wEDKlm0A== X-Received: by 2002:a17:903:22c6:b029:12c:8da8:fd49 with SMTP id y6-20020a17090322c6b029012c8da8fd49mr13360743plg.79.1627902066166; Mon, 02 Aug 2021 04:01:06 -0700 (PDT) Received: from localhost.localdomain ([118.200.190.93]) by smtp.gmail.com with ESMTPSA id v30sm9709158pgk.25.2021.08.02.04.01.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Aug 2021 04:01:05 -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, sumit.semwal@linaro.org, christian.koenig@amd.com Cc: Desmond Cheong Zhi Xi , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, skhan@linuxfoundation.org, gregkh@linuxfoundation.org, linux-kernel-mentees@lists.linuxfoundation.org Date: Mon, 2 Aug 2021 18:59:55 +0800 Message-Id: <20210802105957.77692-1-desmondcheongzx@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Mon, 02 Aug 2021 13:17:20 +0000 Subject: [Intel-gfx] [RESEND PATCH v2 0/2] locking/lockdep, drm: apply new lockdep assert in drm_auth.c X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Hi all, My bad for the resend. Adding cc: intel-gfx, and the maintainers and mailing lists for include/drm/drm_file.h. 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