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Upgrade it to ~512K (which definitely is more than enough). To allow testing userspace support for >64 devices, add additional DRM modparam (skip_legacy_minors) which causes DRM to skip allocating minors in 0-192 range. Additionally - convert minors to use XArray instead of IDR to simplify the locking. v1 -> v2: Don't touch DRM_MINOR_CONTROL and its range (Simon Ser) v2 -> v3: Don't use legacy scheme for >=192 minor range (Dave Airlie) Add modparam for testing (Dave Airlie) Add lockdep annotation for IDR (Daniel Vetter) v3 -> v4: Convert from IDR to XArray (Matthew Wilcox) Michał Winiarski (3): drm: Use XArray instead of IDR for minors drm: Expand max DRM device number to full MINORBITS drm: Introduce skip_legacy_minors modparam drivers/gpu/drm/drm_drv.c | 66 +++++++++++++++++++-------------------- 1 file changed, 33 insertions(+), 33 deletions(-) -- 2.37.3 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 95EF7ECAAA1 for ; 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Upgrade it to ~512K (which definitely is more than enough). To allow testing userspace support for >64 devices, add additional DRM modparam (skip_legacy_minors) which causes DRM to skip allocating minors in 0-192 range. Additionally - convert minors to use XArray instead of IDR to simplify the locking. v1 -> v2: Don't touch DRM_MINOR_CONTROL and its range (Simon Ser) v2 -> v3: Don't use legacy scheme for >=192 minor range (Dave Airlie) Add modparam for testing (Dave Airlie) Add lockdep annotation for IDR (Daniel Vetter) v3 -> v4: Convert from IDR to XArray (Matthew Wilcox) Michał Winiarski (3): drm: Use XArray instead of IDR for minors drm: Expand max DRM device number to full MINORBITS drm: Introduce skip_legacy_minors modparam drivers/gpu/drm/drm_drv.c | 66 +++++++++++++++++++-------------------- 1 file changed, 33 insertions(+), 33 deletions(-) -- 2.37.3 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 09627C38145 for ; Tue, 6 Sep 2022 20:20:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230332AbiIFUUC (ORCPT ); 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Tue, 6 Sep 2022 20:16:59 +0000 From: =?UTF-8?q?Micha=C5=82=20Winiarski?= To: , , CC: David Airlie , Daniel Vetter , "Maarten Lankhorst" , Maxime Ripard , Thomas Zimmermann , Simon Ser , Matthew Wilcox , =?UTF-8?q?Micha=C5=82=20Winiarski?= Subject: [PATCH v4 0/3] drm: Use full allocated minor range for DRM Date: Tue, 6 Sep 2022 22:16:26 +0200 Message-ID: <20220906201629.419160-1-michal.winiarski@intel.com> X-Mailer: git-send-email 2.37.1 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-ClientProxiedBy: AM6PR04CA0020.eurprd04.prod.outlook.com (2603:10a6:20b:92::33) To DM4PR11MB5373.namprd11.prod.outlook.com (2603:10b6:5:394::7) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 6f85773b-14f2-447e-a501-08da9044c088 X-MS-TrafficTypeDiagnostic: CH0PR11MB5396:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: LQMOOvDf8aS+1ARCha/XdaoWBmVx8w9dtS4db0jt0WV/E3YG7tg9XjMsbglqFuzIyGbSOjN+c/rb6Y/+6RSRdjqxqQnAd97gKcQ/+HhQ8LHD78GlpBLfdj9GBy4C3MJzXAgzKGvEPOdmiIeG7EKzoCg5U/cte03p1m0O9b8bcIGiD+d0YV8dU12Y/rAX8FnAkGUGp49so3bD1twOlI1zjidK/+5Fx/sDZj9FBh7xQMvEQzo69pa9sbcgcoWYpLffGkywf41Aj47ycEq3c60FPg5QJhipzwU+LHKsRKySC/hp0p2OC381Or0+543Uxfgn/n5PP9+m3Yo4gwLW2tebO+khfKe6KJTxroTyMFRRhHCzdhMDlhmuHKARB2bfF9G9USCYLIz2PT/JktVqbDzTyAup4u5Sah4qegzuJAX6yufXObd3MbbdEaFKJ/pmNzhbWEmLmeI/E9VKaTdbAM+w/Cjnljvd3ktK80Tzs1ZSUCKOQjB38RagJARROoJ9bCoyVQnC1BwLqBaM2CmlYdJ/QZLUbPlW9B+4YTzFSAA2TpLY1x0D0ZYkulYi1hqp5KPirWmdaprrSK2NEkcIoghV1/D3gJO2hCHAon49LFCti+I1SVrOp+nVlIEKp8naaCBWZd4hio3j+YIyqSL/reCZSjCS0MFb4PNfQ+pxlePZ+DtSdO2SYj+o/rI9/gLjXa3rG/eHIZpVnJUsDkBUqXld/w== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:DM4PR11MB5373.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230016)(376002)(396003)(346002)(136003)(39860400002)(366004)(4744005)(316002)(54906003)(86362001)(82960400001)(36756003)(2906002)(38100700002)(5660300002)(8936002)(7416002)(66946007)(4326008)(66476007)(83380400001)(8676002)(6512007)(6486002)(2616005)(6666004)(186003)(1076003)(6506007)(478600001)(66556008)(41300700001)(26005);DIR:OUT;SFP:1102; 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Upgrade it to ~512K (which definitely is more than enough). To allow testing userspace support for >64 devices, add additional DRM modparam (skip_legacy_minors) which causes DRM to skip allocating minors in 0-192 range. Additionally - convert minors to use XArray instead of IDR to simplify the locking. v1 -> v2: Don't touch DRM_MINOR_CONTROL and its range (Simon Ser) v2 -> v3: Don't use legacy scheme for >=192 minor range (Dave Airlie) Add modparam for testing (Dave Airlie) Add lockdep annotation for IDR (Daniel Vetter) v3 -> v4: Convert from IDR to XArray (Matthew Wilcox) Michał Winiarski (3): drm: Use XArray instead of IDR for minors drm: Expand max DRM device number to full MINORBITS drm: Introduce skip_legacy_minors modparam drivers/gpu/drm/drm_drv.c | 66 +++++++++++++++++++-------------------- 1 file changed, 33 insertions(+), 33 deletions(-) -- 2.37.3