On Mon, Feb 5, 2024 at 11:09 AM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi Yafang, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on bpf-next/master] > > url: https://github.com/intel-lab-lkp/linux/commits/Yafang-Shao/bpf-Add-bpf_iter_cpumask-kfuncs/20240131-232406 > base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master > patch link: https://lore.kernel.org/r/20240131145454.86990-5-laoar.shao%40gmail.com > patch subject: [PATCH v5 bpf-next 4/4] selftests/bpf: Add selftests for cpumask iter > compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240205/202402051121.y4w06atm-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/202402051121.y4w06atm-lkp@xxxxxxxxx/ Thanks for your report. It seems that the issue is caused by missing CONFIG_PSI=y. The kernel config should align with tools/testing/selftests/bpf/config. > > All errors (new ones prefixed by >>): > > >> progs/cpumask_iter_success.c:61:2: error: incomplete definition of type 'struct psi_group_cpu' > 61 | READ_PERCPU_DATA(meta, cgrp, p->cpus_ptr); > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > progs/cpumask_iter_success.c:39:27: note: expanded from macro 'READ_PERCPU_DATA' > 39 | psi_nr_running += groupc->tasks[NR_RUNNING]; \ > | ~~~~~~^ > progs/cpumask_iter_success.c:13:21: note: forward declaration of 'struct psi_group_cpu' > 13 | extern const struct psi_group_cpu system_group_pcpu __ksym __weak; > | ^ > >> progs/cpumask_iter_success.c:61:2: error: use of undeclared identifier 'NR_RUNNING'; did you mean 'T_RUNNING'? > 61 | READ_PERCPU_DATA(meta, cgrp, p->cpus_ptr); > | ^ > progs/cpumask_iter_success.c:39:35: note: expanded from macro 'READ_PERCPU_DATA' > 39 | psi_nr_running += groupc->tasks[NR_RUNNING]; \ > | ^ > /tools/include/vmlinux.h:28263:3: note: 'T_RUNNING' declared here > 28263 | T_RUNNING = 0, > | ^ > progs/cpumask_iter_success.c:80:2: error: incomplete definition of type 'struct psi_group_cpu' > 80 | READ_PERCPU_DATA(meta, cgrp, p->cpus_ptr); > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > progs/cpumask_iter_success.c:39:27: note: expanded from macro 'READ_PERCPU_DATA' > 39 | psi_nr_running += groupc->tasks[NR_RUNNING]; \ > | ~~~~~~^ > progs/cpumask_iter_success.c:13:21: note: forward declaration of 'struct psi_group_cpu' > 13 | extern const struct psi_group_cpu system_group_pcpu __ksym __weak; > | ^ > progs/cpumask_iter_success.c:80:2: error: use of undeclared identifier 'NR_RUNNING'; did you mean 'T_RUNNING'? > 80 | READ_PERCPU_DATA(meta, cgrp, p->cpus_ptr); > | ^ > progs/cpumask_iter_success.c:39:35: note: expanded from macro 'READ_PERCPU_DATA' > 39 | psi_nr_running += groupc->tasks[NR_RUNNING]; \ > | ^ > /tools/include/vmlinux.h:28263:3: note: 'T_RUNNING' declared here > 28263 | T_RUNNING = 0, > | ^ > 4 errors generated. > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki -- Regards Yafang
