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Tue, 18 Feb 2025 09:46:27 +0000 Date: Tue, 18 Feb 2025 09:46:21 +0000 From: Bruce Richardson <bruce.richardson@intel.com> To: Anatoly Burakov <anatoly.burakov@intel.com> CC: <dev@dpdk.org> Subject: Re: [PATCH v1 1/1] usertools/devbind: add documentation for no-IOMMU mode Message-ID: <Z7RW7fTOcGVP4RiE@bricha3-mobl1.ger.corp.intel.com> References: <a1a8fce7e0eb311e7ca673867862a549270f5450.1733132101.git.anatoly.burakov@intel.com> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <a1a8fce7e0eb311e7ca673867862a549270f5450.1733132101.git.anatoly.burakov@intel.com> X-ClientProxiedBy: DB8PR06CA0057.eurprd06.prod.outlook.com (2603:10a6:10:120::31) To DS0PR11MB7309.namprd11.prod.outlook.com (2603:10b6:8:13e::17) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS0PR11MB7309:EE_|DS7PR11MB6102:EE_ X-MS-Office365-Filtering-Correlation-Id: e1d7aae3-69e8-4acd-12e9-08dd50011d2e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|1800799024|366016; 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Add documentation for the flag. > > Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com> > --- > doc/guides/tools/devbind.rst | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/doc/guides/tools/devbind.rst b/doc/guides/tools/devbind.rst > index 841615570f..e010d4b7df 100644 > --- a/doc/guides/tools/devbind.rst > +++ b/doc/guides/tools/devbind.rst > @@ -62,6 +62,11 @@ OPTIONS > Use this flag to change ownership to the specified user and group, so that > devices bound to VFIO would be usable by unprivileged users. > > +* ``--noiommu-mode`` > + > + When using vfio-pci driver on a system with no IOMMU, this flag should be used to > + enable unsafe no-IOMMU mode for vfio-pci driver. > + > > .. warning:: Acked-by: Bruce Richardson <bruce.richardson@intel.com>