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Jakub Kicinski , Pieter Jansen van Vuuren Subject: Re: [netdev-net-next:main 26/28] ld.lld: error: undefined symbol: efx_tc_netdev_event Message-ID: References: <202306102026.ISK5JfUQ-lkp@intel.com> Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202306102026.ISK5JfUQ-lkp@intel.com> X-ClientProxiedBy: AM0PR02CA0170.eurprd02.prod.outlook.com (2603:10a6:20b:28e::7) To PH0PR13MB4842.namprd13.prod.outlook.com (2603:10b6:510:78::6) Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR13MB4842:EE_|SA3PR13MB6347:EE_ X-MS-Office365-Filtering-Correlation-Id: 66beedca-9d50-4b82-d0f5-08db6b1d3ed8 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-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Jun 2023 08:15:55.7272 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: fe128f2c-073b-4c20-818e-7246a585940c X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: hk0V4Pdz6NW2TN+q8SQVBxeZ+WQLBvGuCSck2rTxezBYBZ4GEKET8KqMv9dCRykFN5myCvUqqEYjHsg/CyEKRrzJFvJ79HQ9XQjnjakmYg8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR13MB6347 On Sat, Jun 10, 2023 at 09:10:45PM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git main > head: e431e712c83676a8a9cd3988b323e3ef994a8ff3 > commit: 7e5e7d800011adf4aeda615f8a1bc31c0c1e2bb9 [26/28] sfc: neighbour lookup for TC encap action offload > config: arm-randconfig-r011-20230610 (https://download.01.org/0day-ci/archive/20230610/202306102026.ISK5JfUQ-lkp@intel.com/config) > compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) > reproduce (this is a W=1 build): > mkdir -p ~/bin > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install arm cross compiling tool for clang build > # apt-get install binutils-arm-linux-gnueabi > # https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=7e5e7d800011adf4aeda615f8a1bc31c0c1e2bb9 > git remote add netdev-net-next https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git > git fetch --no-tags netdev-net-next main > git checkout 7e5e7d800011adf4aeda615f8a1bc31c0c1e2bb9 > # save the config file > mkdir build_dir && cp config build_dir/.config > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=arm olddefconfig > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202306102026.ISK5JfUQ-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > >> ld.lld: error: undefined symbol: efx_tc_netdev_event > >>> referenced by ef100_netdev.c:313 (drivers/net/ethernet/sfc/ef100_netdev.c:313) > >>> drivers/net/ethernet/sfc/ef100_netdev.o:(ef100_netdev_event) in archive vmlinux.a > -- > >> ld.lld: error: undefined symbol: efx_tc_netevent_event > >>> referenced by ef100_netdev.c:329 (drivers/net/ethernet/sfc/ef100_netdev.c:329) > >>> drivers/net/ethernet/sfc/ef100_netdev.o:(ef100_netevent_event) in archive vmlinux.a A cursory investigation leads me to thinking this occurs if the CONFIG_SFC is set but CONFIG_SFC_SRIOV is not.