Re: [PATCH v3 bpf-next 06/11] bpf: Add a new kfunc for cgroup1 hierarchy

Yafang Shao
2023-10-31T02:40:43Z

On Mon, Oct 30, 2023 at 9:59 PM Jiri Olsa <olsajiri@gmail.com> wrote:
>
> On Mon, Oct 30, 2023 at 07:35:25PM +0800, Yafang Shao wrote:
> > On Mon, Oct 30, 2023 at 5:01 PM kernel test robot <lkp@intel.com> 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@intel.com/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@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 <lkp@intel.com>
> > > | Closes: https://lore.kernel.org/oe-kbuild-all/202310301605.CGFI0aSW-lkp@intel.com/
> > >
> > > 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?
>
> there's this post [1] from Dave, but seems it never landed
>
> jirka
>
> [1] https://lore.kernel.org/bpf/20230816150634.1162838-1-void@manifault.com/

Thanks for your information.

David, I'd appreciate it if you could share an update on its current status

--
Regards
Yafang