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Mon, 8 Mar 2021 16:10:18 +0000 From: Tarun Gupta To: , Subject: [PATCH v1 1/1] vfio: Make migration support non experimental by default. Date: Mon, 8 Mar 2021 21:39:49 +0530 Message-ID: <20210308160949.4290-1-targupta@nvidia.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: a75f47e9-263b-401c-a496-08d8e24cad49 X-MS-TrafficTypeDiagnostic: BYAPR12MB3014: X-Microsoft-Antispam-PRVS: X-MS-Exchange-Transport-Forked: True X-MS-Oob-TLC-OOBClassifiers: OLM:6108; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.112.36; CTRY:US; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:mail.nvidia.com; PTR:schybrid05.nvidia.com; CAT:NONE; SFS:(4636009)(39860400002)(396003)(376002)(136003)(346002)(46966006)(36840700001)(356005)(36860700001)(86362001)(70206006)(2616005)(107886003)(8936002)(70586007)(83380400001)(7636003)(316002)(426003)(26005)(36906005)(966005)(7696005)(336012)(82740400003)(36756003)(8676002)(186003)(82310400003)(5660300002)(110136005)(2906002)(4326008)(54906003)(47076005)(1076003)(478600001)(34020700004)(6666004); DIR:OUT; SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Mar 2021 16:10:22.4302 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a75f47e9-263b-401c-a496-08d8e24cad49 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a; Ip=[216.228.112.36]; Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT029.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR12MB3014 Received-SPF: softfail client-ip=40.107.220.59; envelope-from=targupta@nvidia.com; helo=NAM11-CO1-obe.outbound.protection.outlook.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.251, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: cjia@nvidia.com, quintela@redhat.com, cohuck@redhat.com, dgilbert@redhat.com, lushenming@huawei.com, Kirti Wankhede , dnigam@nvidia.com, philmd@redhat.com, Tarun Gupta Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" VFIO migration support in QEMU is experimental as of now, which was done to provide soak time and resolve concerns regarding bit-stream. But, with the patches discussed in https://www.mail-archive.com/qemu-devel@nongnu.org/msg784931.html , we have corrected ordering of saving PCI config space and bit-stream. So, this patch proposes to make vfio migration support in QEMU to be enabled by default. Tested by successfully migrating mdev device. Signed-off-by: Tarun Gupta Signed-off-by: Kirti Wankhede --- hw/vfio/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index f74be78209..15e26f460b 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -3199,7 +3199,7 @@ static Property vfio_pci_dev_properties[] = { DEFINE_PROP_BIT("x-igd-opregion", VFIOPCIDevice, features, VFIO_FEATURE_ENABLE_IGD_OPREGION_BIT, false), DEFINE_PROP_BOOL("x-enable-migration", VFIOPCIDevice, - vbasedev.enable_migration, false), + vbasedev.enable_migration, true), DEFINE_PROP_BOOL("x-no-mmap", VFIOPCIDevice, vbasedev.no_mmap, false), DEFINE_PROP_BOOL("x-balloon-allowed", VFIOPCIDevice, vbasedev.ram_block_discard_allowed, false), -- 2.27.0