On Sun, May 28, 2023 at 2:27 PM Michael S. Tsirkin <m...@redhat.com> wrote:
>
> 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-...@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 <l...@intel.com>
> > | Closes: 
> > https://lore.kernel.org/oe-kbuild-all/202305262334.gifq3wpg-...@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.
>

Sure, thanks!


> > --
> > 0-DAY CI Kernel Test Service
> > https://github.com/intel/lkp-tests/wiki
>
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