8:42 p.m.
tree: https://github.com/rgushchin/linux.git bpfsched.rfc
head: f4c466accae6c27a4fbece80f8cec431f685a20c
commit: 1bd61b2c1899a1a9e8ba44e9ac2958dea9847d82 [3/7] bpf: sched: add convenient helpers
to identify sched entities
config: sparc64-randconfig-r036-20210915 (attached as .config)
compiler: sparc64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
#
https://github.com/rgushchin/linux/commit/1bd61b2c1899a1a9e8ba44e9ac2958d...
git remote add rgushchin https://github.com/rgushchin/linux.git
git fetch --no-tags rgushchin bpfsched.rfc
git checkout 1bd61b2c1899a1a9e8ba44e9ac2958dea9847d82
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=sparc64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All error/warnings (new ones prefixed by >>):
kernel/sched/bpf_sched.c: In function '____bpf_sched_entity_belongs_to_cgrp':
> kernel/sched/bpf_sched.c:71:24: error: implicit declaration of
function 'task_dfl_cgroup'; did you mean 'task_group'?
[-Werror=implicit-function-declaration]
71 | cgrp =
task_dfl_cgroup(task_of(se));
| ^~~~~~~~~~~~~~~
| task_group
> kernel/sched/bpf_sched.c:71:22: warning: assignment to
'struct cgroup *' from 'int' makes pointer from integer without a cast
[-Wint-conversion]
71 | cgrp = task_dfl_cgroup(task_of(se));
| ^
> kernel/sched/bpf_sched.c:77:26: error: invalid use of undefined
type 'struct cgroup'
77 | for (level = cgrp->level; level;
level--)
| ^~
kernel/sched/bpf_sched.c:78:25: error: invalid use of undefined type 'struct
cgroup'
78 | if (cgrp->ancestor_ids[level] == cgrpid)
| ^~
cc1: some warnings being treated as errors
vim +71 kernel/sched/bpf_sched.c
63
64 BPF_CALL_2(bpf_sched_entity_belongs_to_cgrp, struct sched_entity *, se,
65 u64, cgrpid)
66 {
67 struct cgroup *cgrp;
68 int level;
69
70 if (entity_is_task(se))
71 cgrp = task_dfl_cgroup(task_of(se));
72 #ifdef
CONFIG_FAIR_GROUP_SCHED
73 else
74 cgrp = se->cfs_rq->tg->css.cgroup;
75 #endif
76
77 for (level = cgrp->level; level; level--)
78 if
(cgrp->ancestor_ids[level] == cgrpid)
79 return 1;
80
81 return 0;
82 }
83
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org