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 ws5-mx01.kavi.com (ws5-mx01.kavi.com [34.193.7.191]) (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 922ADC64EC4 for ; Thu, 9 Mar 2023 07:30:49 +0000 (UTC) Received: from lists.oasis-open.org (oasis.ws5.connectedcommunity.org [10.110.1.242]) by ws5-mx01.kavi.com (Postfix) with ESMTP id EAB8B2AEF6 for ; Thu, 9 Mar 2023 07:30:48 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id D3E809866FC for ; Thu, 9 Mar 2023 07:30:48 +0000 (UTC) Received: from host09.ws5.connectedcommunity.org (host09.ws5.connectedcommunity.org [10.110.1.97]) by lists.oasis-open.org (Postfix) with QMQP id C1A9F9866C1; Thu, 9 Mar 2023 07:30:48 +0000 (UTC) Mailing-List: contact virtio-comment-help@lists.oasis-open.org; run by ezmlm List-ID: Sender: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id B069A9866F3; Thu, 9 Mar 2023 07:30:48 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=HI32Igy8ScV1YjF5/4nBLQCG1nAmb9+BycUGxiy9fu94NTlJEizCjk21LZSMYfYUwI5pSTWd0ZK1BMOUN1QyQhZKZCLR8EPhsW099X1EX+Q+FKqgeFkBrjBt2exJhUG+NcgscgfWejdgha4gQ6r6IzMnIMoog8LwtUFOgTsfwfNBOd1gvzspzVnfYPUiPQa5EKRPyuxgE7nQnhlbnPWyVaSaYO80KIHzhhNBimQC3tD9SSpu/KBXGcWP9qqJoKOtK9CNhboO/v3jh1QmPTUThl26AZQ8C04+vDqBykW8i5NA0VVF6ah9CYAOTseCGZzeEB1wnONSq6rAVg0niufORg== 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=/Ckiuj9SMxfXYk6h/XKsRlTNr4owowLVB0d/guEoi4Y=; b=hXExcI2LmAAsGA727f7jiF7cSpk+/GVRqP+hJeFuseH3acDua1jAo+bR6wG3W0ClaVinY6zK5vbYrOHqrvrmAVSxQoXLRgwaIxM/5Nu6WcocSwsSg5qm15eALHEeqW3KJrjggM2YCF7Pslp7eY1yHFXZQCNB68y9f+vvdju5pRwn2T4963uMX3SylJaanN7YrFiTfPusnPE8f3XUgTf1TPAsTE1VRonvzVdLBdn4tSJJBwvExEtoofABqfJiPsyHKRQiDiqyb0+idsnubal/Ic3yUr9xqLV5uoW9NFugNRdpAC4J4z9Ozy7EgXMuswq4wztfYjGrc4oX0Fvm1eaBbg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Date: Thu, 9 Mar 2023 08:30:41 +0100 From: Jiri Pirko To: Parav Pandit Cc: David Edmondson , Max Gurtovoy , "Michael S. Tsirkin" , "virtio-comment@lists.oasis-open.org" , "virtio-dev@lists.oasis-open.org" , "jasowang@redhat.com" , "cohuck@redhat.com" , "sgarzare@redhat.com" , "stefanha@redhat.com" , "nrupal.jani@intel.com" , "Piotr.Uminski@intel.com" , "hang.yuan@intel.com" , "virtio@lists.oasis-open.org" , Zhu Lingshan , "pasic@linux.ibm.com" , Shahaf Shuler Message-ID: References: <20230306133816-mutt-send-email-mst@kernel.org> <20230307111458-mutt-send-email-mst@kernel.org> <20230308064505-mutt-send-email-mst@kernel.org> <18d51bc0-d759-1a05-cb7c-3d46c4ed2f1a@nvidia.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: FR3P281CA0068.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:4b::15) To MN0PR12MB5979.namprd12.prod.outlook.com (2603:10b6:208:37e::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN0PR12MB5979:EE_|DS0PR12MB8526:EE_ X-MS-Office365-Filtering-Correlation-Id: e11af6f5-4296-4881-487a-08db207032ad 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:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MN0PR12MB5979.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230025)(7916004)(4636009)(346002)(136003)(376002)(39860400002)(396003)(366004)(451199018)(5660300002)(186003)(66556008)(9686003)(8676002)(7416002)(66946007)(66476007)(6486002)(6636002)(4326008)(6512007)(316002)(86362001)(54906003)(6506007)(41300700001)(8936002)(478600001)(26005)(6862004)(107886003)(38100700002)(6666004)(2906002)(83380400001)(33716001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?QZ+XdTnSLvAgb/qnnS1cFOYhJzrBqx3Q609PeA61GFPr6WXDrIaZ1l/eiOmK?= =?us-ascii?Q?4N90ODIVTqHUEAB6UI1IiGgfS1pkedC+QpbDdC56BrjJZxcsyF1vKJhsY+do?= =?us-ascii?Q?Er6xX6NZ4eSEaLxrQyTpse9nwjfEIX5Kw+KUepxZqcwbahpEi0N4L/wDHokY?= =?us-ascii?Q?Z5g9CoJT85coEHc9ZUElbB8vsiDRvY0WINP6lVs3WE7sjys/On57jB/8CkjE?= =?us-ascii?Q?y7ULTTgRlCce/5BLlV5ShxNSwN2F1XYYzcO6JADO/lAirl2NfNO3MJ4CfH7Z?= =?us-ascii?Q?bmZbLxGQWAwpzu9YbZ71m3dZVhsN+kBPAIMGQ0K2DZzV1hCSSnU3aM50U00G?= =?us-ascii?Q?fg11LEaKGqsGjkG5OHg/yUbISRUaI1+iYLR9/Gyu7J4zuX86Y73FtHgV5R3s?= =?us-ascii?Q?J/2FU8rLKyBwqYBKRKLIOB/UWXlgf+tBl3CsPWfr6YomwKhjf8oQrM25/YSv?= =?us-ascii?Q?GzTcyo9w83XR5nX9+cSM0eeKEE5c/Dkr7JceAWYe51mY8rdX+R/glfgG1hOZ?= =?us-ascii?Q?WOFBLVai2Bn85N9O89TNcvwzYyDoFjgKTBl/8/TEkJvDUNgsBhjVBFiSPE5C?= =?us-ascii?Q?geTMvH5Oaqbq13XMyfK3Sj0AzqI2wz8mW70HPUd8ioWX93brkU9WNsYjjg/+?= =?us-ascii?Q?5xS9DxDrelUfqWOFWSKk4ImpivJUDheimB+MdXUtMV37Y9rggrOyXbDAWzhq?= =?us-ascii?Q?JGHE2XWyU6uzHXZk7GzZXnxcMGdekisjvNoh2JfEiEfHmeFb8v+xf1L7Eatt?= =?us-ascii?Q?8WXhhKuBrIkiVgKyrofKoybjXyrTHdk3U10WP95v7v6cctU9cnAVreV8oTmF?= =?us-ascii?Q?bxt6QyNiiGg0rFbAOxEZmwhzPoffTqPCZoBf/sgWDEkebVDo+IshJJepmOWd?= =?us-ascii?Q?h6d+VJXAUQFT1Dg14qQSrLJeeX5p6vWfQFrK8lRGVg7mRsQf3l+pqSuQ34rA?= =?us-ascii?Q?ig9mAIDwRfFSoPTftiLtA0fQzc+uENeyi+fkmgD821FXbkJ9dKsroAYUj/Xh?= =?us-ascii?Q?xW5uCjfU4oJONQdPXkqdHcKSFSyQ7noRvpfM9DgZCEd9AM78Byze1kEpgf73?= =?us-ascii?Q?8s8A/MxtI7Do2XNjA17GP9icqJXv5kLKEMBoPIpl8S6XG3pIiqfbQWGMqjVg?= =?us-ascii?Q?BAsBpKiOOvTE/hxs/0U1VEP8XO4jQM44YdnzO1P5a/Lx5JhvYWG4HnBlaPu9?= =?us-ascii?Q?ULbUJ8cYu/4Iu7ELDQCbCm6qTTRjoJrlGBXD+fvmSzzxrY8jBiJNtVIhIjHW?= =?us-ascii?Q?itMfegrfEgc0YBTdwwINugN16Il8xTjqr4ZO2OeImwHBQzh8t0Ma0Pf13b03?= =?us-ascii?Q?M/AfMORs/tl8QhZkGlz7UnHfe+5yhSIuGi3jG0PD+pX/hN9c2WDkUJOQNpoM?= =?us-ascii?Q?0ov1j72jTBFxN//YDJx0ahjvnYyHoeJmkBsJb6aqjmMslqWL7GB/QVakUdTK?= =?us-ascii?Q?hEs2z1m/mWfRETdeqYg8+aub40upd/y3MUA8XhTdAB2C/o5mg+cnUcAPE3fq?= =?us-ascii?Q?mg6yKZ4GD6BQzKI/IQctQ7OtspO/QVOQ/s5fHW5ORi4R0SyASe9/7aZJMaqu?= =?us-ascii?Q?DHilHE9BCCUbOJ9Yn2qIAZDCf8Zj6/DnErZ73453?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: e11af6f5-4296-4881-487a-08db207032ad X-MS-Exchange-CrossTenant-AuthSource: MN0PR12MB5979.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Mar 2023 07:30:46.3886 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: QHrXyuV8IeyBZBQtnyvH6CJaOhlh5MmT4O6LMqBdxcjVxke6zjBItdQywNRMg7Sr X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB8526 Subject: Re: [virtio-comment] Re: [virtio] [PATCH v10 04/10] admin: introduce virtio admin virtqueues Wed, Mar 08, 2023 at 10:25:32PM CET, parav@nvidia.com wrote: > >> From: virtio-comment@lists.oasis-open.org > open.org> On Behalf Of David Edmondson > >> In support of live migration, might we end up moving large amounts of device >> state through the admin queue? >> >Correct. > >> If so, that would seem to have some performance requirements, though I don't >> know if it would justify multiple admin queues. >DMA of the data through the proposed AQ is supported. > >If I understood Max correctly when Max said " This AQ is not aimed for performance ", >he means that AQ doesn't have performance requirements as io/network queues to complete millions of ops/sec. > >it is several hundred to maybe (on the higher side) thousand ops/sec during LM, provisioning use case. But isn't it good to design it for performance from start? I mean, state transfer of thousands of VFs at a time is definitelly performance related, isn't it? > >DMA perspective as you mentioned, AQ still has the same perf requirements as that of regular nw/blk io queues. This publicly archived list offers a means to provide input to the OASIS Virtual I/O Device (VIRTIO) TC. In order to verify user consent to the Feedback License terms and to minimize spam in the list archive, subscription is required before posting. Subscribe: virtio-comment-subscribe@lists.oasis-open.org Unsubscribe: virtio-comment-unsubscribe@lists.oasis-open.org List help: virtio-comment-help@lists.oasis-open.org List archive: https://lists.oasis-open.org/archives/virtio-comment/ Feedback License: https://www.oasis-open.org/who/ipr/feedback_license.pdf List Guidelines: https://www.oasis-open.org/policies-guidelines/mailing-lists Committee: https://www.oasis-open.org/committees/virtio/ Join OASIS: https://www.oasis-open.org/join/ 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 ws5-mx01.kavi.com (ws5-mx01.kavi.com [34.193.7.191]) (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 A408BC61DA4 for ; Thu, 9 Mar 2023 07:30:51 +0000 (UTC) Received: from lists.oasis-open.org (oasis.ws5.connectedcommunity.org [10.110.1.242]) by ws5-mx01.kavi.com (Postfix) with ESMTP id E2B0029FD6 for ; Thu, 9 Mar 2023 07:30:50 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id D30E9986720 for ; Thu, 9 Mar 2023 07:30:50 +0000 (UTC) Received: from host09.ws5.connectedcommunity.org (host09.ws5.connectedcommunity.org [10.110.1.97]) by lists.oasis-open.org (Postfix) with QMQP id C5D85986708; Thu, 9 Mar 2023 07:30:50 +0000 (UTC) Mailing-List: contact virtio-dev-help@lists.oasis-open.org; run by ezmlm List-ID: Sender: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id B069A9866F3; Thu, 9 Mar 2023 07:30:48 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=HI32Igy8ScV1YjF5/4nBLQCG1nAmb9+BycUGxiy9fu94NTlJEizCjk21LZSMYfYUwI5pSTWd0ZK1BMOUN1QyQhZKZCLR8EPhsW099X1EX+Q+FKqgeFkBrjBt2exJhUG+NcgscgfWejdgha4gQ6r6IzMnIMoog8LwtUFOgTsfwfNBOd1gvzspzVnfYPUiPQa5EKRPyuxgE7nQnhlbnPWyVaSaYO80KIHzhhNBimQC3tD9SSpu/KBXGcWP9qqJoKOtK9CNhboO/v3jh1QmPTUThl26AZQ8C04+vDqBykW8i5NA0VVF6ah9CYAOTseCGZzeEB1wnONSq6rAVg0niufORg== 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=/Ckiuj9SMxfXYk6h/XKsRlTNr4owowLVB0d/guEoi4Y=; b=hXExcI2LmAAsGA727f7jiF7cSpk+/GVRqP+hJeFuseH3acDua1jAo+bR6wG3W0ClaVinY6zK5vbYrOHqrvrmAVSxQoXLRgwaIxM/5Nu6WcocSwsSg5qm15eALHEeqW3KJrjggM2YCF7Pslp7eY1yHFXZQCNB68y9f+vvdju5pRwn2T4963uMX3SylJaanN7YrFiTfPusnPE8f3XUgTf1TPAsTE1VRonvzVdLBdn4tSJJBwvExEtoofABqfJiPsyHKRQiDiqyb0+idsnubal/Ic3yUr9xqLV5uoW9NFugNRdpAC4J4z9Ozy7EgXMuswq4wztfYjGrc4oX0Fvm1eaBbg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nvidia.com; dmarc=pass action=none header.from=nvidia.com; dkim=pass header.d=nvidia.com; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nvidia.com; Date: Thu, 9 Mar 2023 08:30:41 +0100 From: Jiri Pirko To: Parav Pandit Cc: David Edmondson , Max Gurtovoy , "Michael S. Tsirkin" , "virtio-comment@lists.oasis-open.org" , "virtio-dev@lists.oasis-open.org" , "jasowang@redhat.com" , "cohuck@redhat.com" , "sgarzare@redhat.com" , "stefanha@redhat.com" , "nrupal.jani@intel.com" , "Piotr.Uminski@intel.com" , "hang.yuan@intel.com" , "virtio@lists.oasis-open.org" , Zhu Lingshan , "pasic@linux.ibm.com" , Shahaf Shuler Message-ID: References: <20230306133816-mutt-send-email-mst@kernel.org> <20230307111458-mutt-send-email-mst@kernel.org> <20230308064505-mutt-send-email-mst@kernel.org> <18d51bc0-d759-1a05-cb7c-3d46c4ed2f1a@nvidia.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: FR3P281CA0068.DEUP281.PROD.OUTLOOK.COM (2603:10a6:d10:4b::15) To MN0PR12MB5979.namprd12.prod.outlook.com (2603:10b6:208:37e::15) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: MN0PR12MB5979:EE_|DS0PR12MB8526:EE_ X-MS-Office365-Filtering-Correlation-Id: e11af6f5-4296-4881-487a-08db207032ad 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:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:MN0PR12MB5979.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230025)(7916004)(4636009)(346002)(136003)(376002)(39860400002)(396003)(366004)(451199018)(5660300002)(186003)(66556008)(9686003)(8676002)(7416002)(66946007)(66476007)(6486002)(6636002)(4326008)(6512007)(316002)(86362001)(54906003)(6506007)(41300700001)(8936002)(478600001)(26005)(6862004)(107886003)(38100700002)(6666004)(2906002)(83380400001)(33716001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?QZ+XdTnSLvAgb/qnnS1cFOYhJzrBqx3Q609PeA61GFPr6WXDrIaZ1l/eiOmK?= =?us-ascii?Q?4N90ODIVTqHUEAB6UI1IiGgfS1pkedC+QpbDdC56BrjJZxcsyF1vKJhsY+do?= =?us-ascii?Q?Er6xX6NZ4eSEaLxrQyTpse9nwjfEIX5Kw+KUepxZqcwbahpEi0N4L/wDHokY?= =?us-ascii?Q?Z5g9CoJT85coEHc9ZUElbB8vsiDRvY0WINP6lVs3WE7sjys/On57jB/8CkjE?= =?us-ascii?Q?y7ULTTgRlCce/5BLlV5ShxNSwN2F1XYYzcO6JADO/lAirl2NfNO3MJ4CfH7Z?= =?us-ascii?Q?bmZbLxGQWAwpzu9YbZ71m3dZVhsN+kBPAIMGQ0K2DZzV1hCSSnU3aM50U00G?= =?us-ascii?Q?fg11LEaKGqsGjkG5OHg/yUbISRUaI1+iYLR9/Gyu7J4zuX86Y73FtHgV5R3s?= =?us-ascii?Q?J/2FU8rLKyBwqYBKRKLIOB/UWXlgf+tBl3CsPWfr6YomwKhjf8oQrM25/YSv?= =?us-ascii?Q?GzTcyo9w83XR5nX9+cSM0eeKEE5c/Dkr7JceAWYe51mY8rdX+R/glfgG1hOZ?= =?us-ascii?Q?WOFBLVai2Bn85N9O89TNcvwzYyDoFjgKTBl/8/TEkJvDUNgsBhjVBFiSPE5C?= =?us-ascii?Q?geTMvH5Oaqbq13XMyfK3Sj0AzqI2wz8mW70HPUd8ioWX93brkU9WNsYjjg/+?= =?us-ascii?Q?5xS9DxDrelUfqWOFWSKk4ImpivJUDheimB+MdXUtMV37Y9rggrOyXbDAWzhq?= =?us-ascii?Q?JGHE2XWyU6uzHXZk7GzZXnxcMGdekisjvNoh2JfEiEfHmeFb8v+xf1L7Eatt?= =?us-ascii?Q?8WXhhKuBrIkiVgKyrofKoybjXyrTHdk3U10WP95v7v6cctU9cnAVreV8oTmF?= =?us-ascii?Q?bxt6QyNiiGg0rFbAOxEZmwhzPoffTqPCZoBf/sgWDEkebVDo+IshJJepmOWd?= =?us-ascii?Q?h6d+VJXAUQFT1Dg14qQSrLJeeX5p6vWfQFrK8lRGVg7mRsQf3l+pqSuQ34rA?= =?us-ascii?Q?ig9mAIDwRfFSoPTftiLtA0fQzc+uENeyi+fkmgD821FXbkJ9dKsroAYUj/Xh?= =?us-ascii?Q?xW5uCjfU4oJONQdPXkqdHcKSFSyQ7noRvpfM9DgZCEd9AM78Byze1kEpgf73?= =?us-ascii?Q?8s8A/MxtI7Do2XNjA17GP9icqJXv5kLKEMBoPIpl8S6XG3pIiqfbQWGMqjVg?= =?us-ascii?Q?BAsBpKiOOvTE/hxs/0U1VEP8XO4jQM44YdnzO1P5a/Lx5JhvYWG4HnBlaPu9?= =?us-ascii?Q?ULbUJ8cYu/4Iu7ELDQCbCm6qTTRjoJrlGBXD+fvmSzzxrY8jBiJNtVIhIjHW?= =?us-ascii?Q?itMfegrfEgc0YBTdwwINugN16Il8xTjqr4ZO2OeImwHBQzh8t0Ma0Pf13b03?= =?us-ascii?Q?M/AfMORs/tl8QhZkGlz7UnHfe+5yhSIuGi3jG0PD+pX/hN9c2WDkUJOQNpoM?= =?us-ascii?Q?0ov1j72jTBFxN//YDJx0ahjvnYyHoeJmkBsJb6aqjmMslqWL7GB/QVakUdTK?= =?us-ascii?Q?hEs2z1m/mWfRETdeqYg8+aub40upd/y3MUA8XhTdAB2C/o5mg+cnUcAPE3fq?= =?us-ascii?Q?mg6yKZ4GD6BQzKI/IQctQ7OtspO/QVOQ/s5fHW5ORi4R0SyASe9/7aZJMaqu?= =?us-ascii?Q?DHilHE9BCCUbOJ9Yn2qIAZDCf8Zj6/DnErZ73453?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: e11af6f5-4296-4881-487a-08db207032ad X-MS-Exchange-CrossTenant-AuthSource: MN0PR12MB5979.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Mar 2023 07:30:46.3886 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: QHrXyuV8IeyBZBQtnyvH6CJaOhlh5MmT4O6LMqBdxcjVxke6zjBItdQywNRMg7Sr X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB8526 Subject: [virtio-dev] Re: [virtio-comment] Re: [virtio] [PATCH v10 04/10] admin: introduce virtio admin virtqueues Wed, Mar 08, 2023 at 10:25:32PM CET, parav@nvidia.com wrote: > >> From: virtio-comment@lists.oasis-open.org > open.org> On Behalf Of David Edmondson > >> In support of live migration, might we end up moving large amounts of device >> state through the admin queue? >> >Correct. > >> If so, that would seem to have some performance requirements, though I don't >> know if it would justify multiple admin queues. >DMA of the data through the proposed AQ is supported. > >If I understood Max correctly when Max said " This AQ is not aimed for performance ", >he means that AQ doesn't have performance requirements as io/network queues to complete millions of ops/sec. > >it is several hundred to maybe (on the higher side) thousand ops/sec during LM, provisioning use case. But isn't it good to design it for performance from start? I mean, state transfer of thousands of VFs at a time is definitelly performance related, isn't it? > >DMA perspective as you mentioned, AQ still has the same perf requirements as that of regular nw/blk io queues. --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org