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X-CSE-ConnectionGUID: ojVMK+7vQKijWmH8HI4WUA== X-CSE-MsgGUID: gH6As6RoRTOwQOq/aWnY0Q== X-IronPort-AV: E=McAfee;i="6700,10204,11249"; a="34696146" X-IronPort-AV: E=Sophos;i="6.12,136,1728975600"; d="scan'208";a="34696146" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Nov 2024 20:21:52 -0800 X-CSE-ConnectionGUID: Y0PcV1vwTCKm5JHftQYVfw== X-CSE-MsgGUID: jytUMIO2S7WVovrh9bs/VQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="90188296" Received: from lkp-server01.sh.intel.com (HELO a48cf1aa22e8) ([10.239.97.150]) by orviesa003.jf.intel.com with ESMTP; 07 Nov 2024 20:21:48 -0800 Received: from kbuild by a48cf1aa22e8 with local (Exim 4.96) (envelope-from ) id 1t9GVG-000r0k-1Z; Fri, 08 Nov 2024 04:21:46 +0000 Date: Fri, 8 Nov 2024 12:21:37 +0800 From: kernel test robot To: Mina Almasry , netdev@vger.kernel.org, Jakub Kicinski , Pavel Begunkov , Willem de Bruijn , Kaiyuan Zhang , Samiullah Khawaja , linux-kernel@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Eric Dumazet , Paolo Abeni , Simon Horman , Jesper Dangaard Brouer , Ilias Apalodimas Subject: Re: [PATCH net-next v2 5/5] netmem: add netmem_prefetch Message-ID: <202411081130.CxioaC2A-lkp@intel.com> References: <20241107212309.3097362-6-almasrymina@google.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20241107212309.3097362-6-almasrymina@google.com> Hi Mina, kernel test robot noticed the following build errors: [auto build test ERROR on net-next/main] url: https://github.com/intel-lab-lkp/linux/commits/Mina-Almasry/net-page_pool-rename-page_pool_alloc_netmem-to-_netmems/20241108-052530 base: net-next/main patch link: https://lore.kernel.org/r/20241107212309.3097362-6-almasrymina%40google.com patch subject: [PATCH net-next v2 5/5] netmem: add netmem_prefetch config: s390-allyesconfig (https://download.01.org/0day-ci/archive/20241108/202411081130.CxioaC2A-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241108/202411081130.CxioaC2A-lkp@intel.com/reproduce) 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/202411081130.CxioaC2A-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from include/linux/skbuff.h:40, from include/linux/if_ether.h:19, from arch/s390/include/asm/diag.h:12, from arch/s390/include/asm/kvm_para.h:25, from include/uapi/linux/kvm_para.h:37, from include/linux/kvm_para.h:5, from include/linux/kvm_host.h:41, from arch/s390/kernel/asm-offsets.c:11: include/net/netmem.h: In function 'netmem_prefetch': >> include/net/netmem.h:179:9: error: implicit declaration of function 'prefetch' [-Wimplicit-function-declaration] 179 | prefetch(netmem_to_page(netmem)); | ^~~~~~~~ make[3]: *** [scripts/Makefile.build:102: arch/s390/kernel/asm-offsets.s] Error 1 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1203: prepare0] Error 2 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:224: __sub-make] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:224: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +/prefetch +179 include/net/netmem.h 173 174 static inline void netmem_prefetch(netmem_ref netmem) 175 { 176 if (netmem_is_net_iov(netmem)) 177 return; 178 > 179 prefetch(netmem_to_page(netmem)); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki