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BN3PR0701MB1718; 5:Lx8L7JHrSuku6u1zkqw9LK4K4iCYTaK27NV0zLdm5ZienSg6Tn6NlkBHGvuJAfLKPYp2XrU2Aa1c2m248OfZiZaBYiZc2UEh66GhW+fI2wgj92ub73Z5P2mTOriDkT0CV0cyvuOrxG0XHlBvU/NGhg==; 24:4FUnUE+FXGzGWpleOGv2UDxFlIv9NplStwgmLGRUps1Qlo8X76PBvemckgNcsxmuNNpvmLBheAW0PnKmo42hbTYCtkUHP+DFoZtA2a75EWc=; 7:+fxWYrghHfhYTRdWx0xfhnG0y8e9kb4h/+6vZXNwMFb29AoWdBE70zgc0GRUctMBIvyXBMCNZ6RyNzxYMPAsS5Sg7ppp2Z88rcS7Ct+yWBhNtm66pvLTkAIRqeOlxlVd8+M9GnQB9OzNj+rnqMGcHukJ8KTJshWTy5rq0B9Aj8qfi/NfZYHg9LBv0XFSZIvx SpamDiagnosticOutput: 1:23 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: caviumnetworks.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 May 2016 16:57:52.2347 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3PR0701MB1718 Subject: Re: [dpdk-dev] [PATCHv3 1/2] config/armv8a: disable igb_uio X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 May 2016 16:57:56 -0000 On Wed, May 11, 2016 at 08:22:59AM -0700, Stephen Hemminger wrote: > On Wed, 11 May 2016 19:17:58 +0530 > Hemant Agrawal wrote: > > > IGB_UIO not supported for arm64 arch in kernel so disable. > > > > Signed-off-by: Hemant Agrawal > > Reviewed-by: Santosh Shukla > > Really, I have use IGB_UIO on ARM64 upstream kernel doesn't support pci mmap for arm64. pl. refer [1], [2]. so I assume - your using out of tree patch something like below for igb_uio on arm64. also arm-linux community encouraging vfio use for such use-cases. [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2015-July/359435.html [2] http://www.spinics.net/lists/arm-kernel/msg498005.html