On Mon, Oct 30, 2023 at 5:01 PM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi Yafang, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on bpf-next/master] > > url: https://github.com/intel-lab-lkp/linux/commits/Yafang-Shao/cgroup-Remove-unnecessary-list_empty/20231029-143457 > base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master > patch link: https://lore.kernel.org/r/20231029061438.4215-7-laoar.shao%40gmail.com > patch subject: [PATCH v3 bpf-next 06/11] bpf: Add a new kfunc for cgroup1 hierarchy > config: i386-randconfig-013-20231030 (https://download.01.org/0day-ci/archive/20231030/202310301605.CGFI0aSW-lkp@xxxxxxxxx/config) > compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231030/202310301605.CGFI0aSW-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> > | Closes: https://lore.kernel.org/oe-kbuild-all/202310301605.CGFI0aSW-lkp@xxxxxxxxx/ > > All warnings (new ones prefixed by >>): > > kernel/bpf/helpers.c:1893:19: warning: no previous declaration for 'bpf_obj_new_impl' [-Wmissing-declarations] -Wmissing-declarations is a known issue and somebody is working on it, right? -- Regards Yafang