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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 1C23CC54E60 for ; Sat, 16 Mar 2024 03:31:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:CC:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=OZ5ajr/4X0LbABimbqSnb+SMYEUs3wW7DLMSlFCeYTg=; b=YEami19VBnR+hx uUaVbInFeIc/TRDtalKOXO34h/BkwTXw9M8jVamtfGbX2YIbUUpDgd2T3ESO/mbSMuwnwWkkRwWgX Cw7EBrQHqGOjnfZpRE5Wrz6Fz5ogJajp50xuMNUw7VZQMHEUCHtKVs78sg8nR/JaxY32aXJUOPN9J smVyO44d4E9aW1LUk+rKJqIHVNs9HE4IYBZ63WlyehZxu9P08IfhMIBfRsYlzEr40VYLMATpbXQ5q AJWpyf+E2ju61XewHSpzE58xlUp55YcpwTcpVsQVE70uJI4G9qqUshjQimoJmoNsbtXGIR5Hsdw/Q K/e0rlxwpvTNb98QXHcA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rlKlu-00000002DEj-1lYd; Sat, 16 Mar 2024 03:31:46 +0000 Received: from mail-dm6nam12on20600.outbound.protection.outlook.com ([2a01:111:f403:2417::600] helo=NAM12-DM6-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rlKlq-00000002DDr-1oW7 for linux-arm-kernel@lists.infradead.org; Sat, 16 Mar 2024 03:31:43 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=FsdJ9aTYV+WpEH+x7vIhlGiLJFIZ8kQbf95AMh8waZWIH7ETA27JUIQ8ze5NzsvuYpXB4Mj08JppcCDIPl+iPPlqXfAW4Z9DmHLgNUHBo26Qg09eQqFh3WMw16DXb7u324rkg+2xfqUN+fIHvMzURVkhRqHESs6FcHkyNUwbVh5RUmadhdyfPGiKxV3DwHW+iilrLTe+icKI9BTsv2xm31Jejgex884+HL0hVs+IJzWRU7bdFgeT1OBD4q+/IyX7QUD6DFNxv7t2t9ZK7OzvC5HxozjiSH3gJdwmUAs4Q7V6mzsSDmY4oiTKifzO9+1YX6adJxvHcVRWS5dx/pp9UA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=eH/I8NezRbwSEn9sb+kDGTAtfHK96Zmwt3914vYht+g=; b=GX0MGfjBUgB0AX1HCA+T7AMsF7KKgmmfQSehUE1GTCYqGy0NaLGrbuyWHICAXyxLxMxjdtV/80MvPjKqkyyXKGUnXGsAPq0MUlWJ2gAqXB4PAVeQpALfirZOsMHvQ9UpxchjbBbVgwUWDzR/qurtS0CN8dGFgAcyuYjuRTtQEam5goeVQnMmYsIktR6HL6agADm8FNy7GkcVsY+9RCmWOMBBNtOJHaflKiGrDBHCqBLvMF77RmhxOZqaDFl6WTufcYSW5Pq53IpJGzbdYLFKmXA8y4cydjwRSMduFs5JWh9MEPq7dxzKQ5JdWU78v2aWx1my1IxWcrLj5WmXe5Inzg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 216.228.117.161) smtp.rcpttodomain=lists.linux.dev smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=eH/I8NezRbwSEn9sb+kDGTAtfHK96Zmwt3914vYht+g=; b=k4n7Aah8a/FAMeyJ/ssmnFfCAkNUk/ps4x6a/CW5FNLJZOFqItNDgl+4QW+kEZc16w4OntX6tDKz/rjpKFd3sP6hV93H1acuGEuSNBHFiTYoo208hR/1nnG+/UcG9qKiL0hBT/YjxzZ7/y7GN1x64eNtUDn2324oZOn5QBvCguBXtzZXzu3VymTSMDc8mndO15K9R0j607o/4eBoHaul9VENKVZahZg8v6ulnRxvXQGTmH1pfueici3tQh/XL5SwYK/5w4lW5Ho+B9VdDeWBvq5VIKEvl8ABmNERdj1ctgTJWUbvV8wDR9dRtDatllfxz1AZvyYHZ+nbldaaYBQEUg== Received: from DM6PR03CA0102.namprd03.prod.outlook.com (2603:10b6:5:333::35) by BL1PR12MB5707.namprd12.prod.outlook.com (2603:10b6:208:386::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7362.36; Sat, 16 Mar 2024 03:31:29 +0000 Received: from DS1PEPF0001708F.namprd03.prod.outlook.com (2603:10b6:5:333:cafe::77) by DM6PR03CA0102.outlook.office365.com (2603:10b6:5:333::35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7386.23 via Frontend Transport; Sat, 16 Mar 2024 03:31:26 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 216.228.117.161) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.161 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.161; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.161) by DS1PEPF0001708F.mail.protection.outlook.com (10.167.17.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7386.12 via Frontend Transport; Sat, 16 Mar 2024 03:31:26 +0000 Received: from rnnvmail202.nvidia.com (10.129.68.7) by mail.nvidia.com (10.129.200.67) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.41; Fri, 15 Mar 2024 20:31:18 -0700 Received: from rnnvmail205.nvidia.com (10.129.68.10) by rnnvmail202.nvidia.com (10.129.68.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Fri, 15 Mar 2024 20:31:18 -0700 Received: from nvidia.com (10.127.8.10) by mail.nvidia.com (10.129.68.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12 via Frontend Transport; Fri, 15 Mar 2024 20:31:15 -0700 Date: Fri, 15 Mar 2024 20:31:09 -0700 From: Nicolin Chen To: Jason Gunthorpe CC: , Joerg Roedel , , Robin Murphy , Will Deacon , Eric Auger , Jean-Philippe Brucker , Moritz Fischer , Michael Shavit , , Shameerali Kolothum Thodi Subject: Re: [PATCH v5 08/27] iommu/arm-smmu-v3: Move allocation of the cdtable into arm_smmu_get_cd_ptr() Message-ID: References: <0-v5-9a37e0c884ce+31e3-smmuv3_newapi_p2_jgg@nvidia.com> <8-v5-9a37e0c884ce+31e3-smmuv3_newapi_p2_jgg@nvidia.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <8-v5-9a37e0c884ce+31e3-smmuv3_newapi_p2_jgg@nvidia.com> X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS1PEPF0001708F:EE_|BL1PR12MB5707:EE_ X-MS-Office365-Filtering-Correlation-Id: 8956a11c-c1fd-4450-b9c3-08dc45698f90 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230031)(376005)(1800799015)(82310400014)(7416005)(36860700004);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Mar 2024 03:31:26.0870 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8956a11c-c1fd-4450-b9c3-08dc45698f90 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DS1PEPF0001708F.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR12MB5707 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240315_203142_505279_BC61B375 X-CRM114-Status: UNSURE ( 6.07 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Mar 04, 2024 at 07:43:56PM -0400, Jason Gunthorpe wrote: > No reason to force callers to do two steps. Make arm_smmu_get_cd_ptr() > able to return an entry in all cases except OOM. > > Tested-by: Nicolin Chen > Signed-off-by: Jason Gunthorpe Reviewed-by: Nicolin Chen _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel