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Fri, 29 Oct 2021 15:41:23 +0000 To: Stefano Garzarella , Jason Wang Subject: RE: vDPA bus driver selection Thread-Topic: vDPA bus driver selection Thread-Index: AQHXyz+5W8bHEdMi9Ue0cOjhXwdA36vm745AgAAN1gCAAAHeEIABKSQAgAAA2yCAARsbAIAAyx8AgAAQBQA= Date: Fri, 29 Oct 2021 15:41:23 +0000 Message-ID: References: <20211027154728.qkrtl6jtfoqlbwfu@steredhat> <20211028093740.jv7gfqrgrmq7elje@steredhat> <20211029144100.eybykx7o4tpwmjph@steredhat> In-Reply-To: <20211029144100.eybykx7o4tpwmjph@steredhat> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: redhat.com; dkim=none (message not signed) header.d=none;redhat.com; dmarc=none action=none header.from=nvidia.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: f765a839-616a-482f-45ae-08d99af28fb0 x-ms-traffictypediagnostic: DM4PR12MB5038: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8273; x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" Hi Stefano, > From: Stefano Garzarella > Sent: Friday, October 29, 2021 8:11 PM > > Maybe the only missing point is a way to specify the default bus driver to use > for a device. Of course the workaround is to unbind it and bind to the desired > one. > Unbind bind can be done but it is slower for deployment at scale. echo 0 > /sys/bus/vdpa/drivers_autoprobe above command disables binding vdpa device to the driver. So user can choose it explicitly without affecting performance. _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization