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Tsirkin" To: kernel test robot Cc: Liang Chen , jasowang@redhat.com, oe-kbuild-all@lists.linux.dev, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, xuanzhuo@linux.alibaba.com, kuba@kernel.org, edumazet@google.com, davem@davemloft.net, pabeni@redhat.com, alexander.duyck@gmail.com Subject: Re: [PATCH net-next 2/5] virtio_net: Add page_pool support to improve performance Message-ID: <20230528022658-mutt-send-email-mst@kernel.org> References: <20230526054621.18371-2-liangchen.linux@gmail.com> <202305262334.GiFQ3wpG-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202305262334.GiFQ3wpG-lkp@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, May 27, 2023 at 12:11:25AM +0800, kernel test robot wrote: > Hi Liang, > > 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/Liang-Chen/virtio_net-Add-page_pool-support-to-improve-performance/20230526-135805 > base: net-next/main > patch link: https://lore.kernel.org/r/20230526054621.18371-2-liangchen.linux%40gmail.com > patch subject: [PATCH net-next 2/5] virtio_net: Add page_pool support to improve performance > config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20230526/202305262334.GiFQ3wpG-lkp@intel.com/config) > compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 > reproduce (this is a W=1 build): > # https://github.com/intel-lab-lkp/linux/commit/bfba563f43bba37181d8502cb2e566c32f96ec9e > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Liang-Chen/virtio_net-Add-page_pool-support-to-improve-performance/20230526-135805 > git checkout bfba563f43bba37181d8502cb2e566c32f96ec9e > # save the config file > mkdir build_dir && cp config build_dir/.config > make W=1 O=build_dir ARCH=x86_64 olddefconfig > make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash > > If you fix the issue, kindly add following tag where applicable > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202305262334.GiFQ3wpG-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > ld: vmlinux.o: in function `virtnet_find_vqs': > >> virtio_net.c:(.text+0x901fb5): undefined reference to `page_pool_create' > ld: vmlinux.o: in function `add_recvbuf_mergeable.isra.0': > >> virtio_net.c:(.text+0x905618): undefined reference to `page_pool_alloc_pages' > ld: vmlinux.o: in function `xdp_linearize_page': > virtio_net.c:(.text+0x906b6b): undefined reference to `page_pool_alloc_pages' > ld: vmlinux.o: in function `mergeable_xdp_get_buf.isra.0': > virtio_net.c:(.text+0x90728f): undefined reference to `page_pool_alloc_pages' you need to tweak Kconfig to select PAGE_POOL I think. > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki