* [zen:5.15/prjc 10/11] kernel/sched/alt_core.c:7508:6: warning: no previous prototype for 'sched_release_group'
@ 2021-11-26 3:00 kernel test robot
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From: kernel test robot @ 2021-11-26 3:00 UTC (permalink / raw)
To: kbuild-all
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tree: https://github.com/zen-kernel/zen-kernel 5.15/prjc
head: 957daf0a8cd0c5dabae3ff6adf67d03756dd0257
commit: f2dcf2626a25681f88500c1d050d2db3e82b5c17 [10/11] sched/alt: [Sync] b027789e Prevent dead task groups from regaining cfs_rq's
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20211126/202111261018.aOOCPg6W-lkp(a)intel.com/config)
compiler: arceb-elf-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/zen-kernel/zen-kernel/commit/f2dcf2626a25681f88500c1d050d2db3e82b5c17
git remote add zen https://github.com/zen-kernel/zen-kernel
git fetch --no-tags zen 5.15/prjc
git checkout f2dcf2626a25681f88500c1d050d2db3e82b5c17
# save the config file to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
6898 | int sched_cpu_deactivate(unsigned int cpu)
| ^~~~~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:6962:5: warning: no previous prototype for 'sched_cpu_starting' [-Wmissing-prototypes]
6962 | int sched_cpu_starting(unsigned int cpu)
| ^~~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c: In function 'sched_init_topology_cpumask':
kernel/sched/alt_core.c:7088:57: error: implicit declaration of function 'cpu_coregroup_mask' [-Werror=implicit-function-declaration]
7088 | per_cpu(sd_llc_id, cpu) = cpumask_first(cpu_coregroup_mask(cpu));
| ^~~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:7088:57: warning: passing argument 1 of 'cpumask_first' makes pointer from integer without a cast [-Wint-conversion]
7088 | per_cpu(sd_llc_id, cpu) = cpumask_first(cpu_coregroup_mask(cpu));
| ^~~~~~~~~~~~~~~~~~~~~~~
| |
| int
In file included from include/linux/smp.h:13,
from include/linux/lockdep.h:14,
from include/linux/rcupdate.h:29,
from include/linux/rculist.h:11,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/kthread.h:6,
from include/trace/events/sched.h:8,
from kernel/sched/alt_core.c:15:
include/linux/cpumask.h:193:64: note: expected 'const struct cpumask *' but argument is of type 'int'
193 | static inline unsigned int cpumask_first(const struct cpumask *srcp)
| ~~~~~~~~~~~~~~~~~~~~~~^~~~
kernel/sched/alt_core.c:7090:45: warning: passing argument 3 of 'cpumask_and' makes pointer from integer without a cast [-Wint-conversion]
7090 | TOPOLOGY_CPUMASK(coregroup, cpu_coregroup_mask(cpu), false);
| ^~~~~~~~~~~~~~~~~~~~~~~
| |
| int
kernel/sched/alt_core.c:7065:37: note: in definition of macro 'TOPOLOGY_CPUMASK'
7065 | if (cpumask_and(topo, topo, mask)) { \
| ^~~~
In file included from include/linux/smp.h:13,
from include/linux/lockdep.h:14,
from include/linux/rcupdate.h:29,
from include/linux/rculist.h:11,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/kthread.h:6,
from include/trace/events/sched.h:8,
from kernel/sched/alt_core.c:15:
include/linux/cpumask.h:403:54: note: expected 'const struct cpumask *' but argument is of type 'int'
403 | const struct cpumask *src2p)
| ~~~~~~~~~~~~~~~~~~~~~~^~~~~
kernel/sched/alt_core.c:7090:45: warning: passing argument 2 of 'cpumask_copy' makes pointer from integer without a cast [-Wint-conversion]
7090 | TOPOLOGY_CPUMASK(coregroup, cpu_coregroup_mask(cpu), false);
| ^~~~~~~~~~~~~~~~~~~~~~~
| |
| int
kernel/sched/alt_core.c:7066:36: note: in definition of macro 'TOPOLOGY_CPUMASK'
7066 | cpumask_copy(topo, mask); \
| ^~~~
In file included from include/linux/smp.h:13,
from include/linux/lockdep.h:14,
from include/linux/rcupdate.h:29,
from include/linux/rculist.h:11,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/kthread.h:6,
from include/trace/events/sched.h:8,
from kernel/sched/alt_core.c:15:
include/linux/cpumask.h:575:55: note: expected 'const struct cpumask *' but argument is of type 'int'
575 | const struct cpumask *srcp)
| ~~~~~~~~~~~~~~~~~~~~~~^~~~
kernel/sched/alt_core.c:7090:45: warning: passing argument 2 of 'cpumask_complement' makes pointer from integer without a cast [-Wint-conversion]
7090 | TOPOLOGY_CPUMASK(coregroup, cpu_coregroup_mask(cpu), false);
| ^~~~~~~~~~~~~~~~~~~~~~~
| |
| int
kernel/sched/alt_core.c:7071:42: note: in definition of macro 'TOPOLOGY_CPUMASK'
7071 | cpumask_complement(topo, mask)
| ^~~~
In file included from include/linux/smp.h:13,
from include/linux/lockdep.h:14,
from include/linux/rcupdate.h:29,
from include/linux/rculist.h:11,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/kthread.h:6,
from include/trace/events/sched.h:8,
from kernel/sched/alt_core.c:15:
include/linux/cpumask.h:458:61: note: expected 'const struct cpumask *' but argument is of type 'int'
458 | const struct cpumask *srcp)
| ~~~~~~~~~~~~~~~~~~~~~~^~~~
kernel/sched/alt_core.c: In function '___might_sleep':
kernel/sched/alt_core.c:7271:23: warning: variable 'preempt_disable_ip' set but not used [-Wunused-but-set-variable]
7271 | unsigned long preempt_disable_ip;
| ^~~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c: At top level:
kernel/sched/alt_core.c:7480:20: warning: no previous prototype for 'sched_create_group' [-Wmissing-prototypes]
7480 | struct task_group *sched_create_group(struct task_group *parent)
| ^~~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:7491:6: warning: no previous prototype for 'sched_online_group' [-Wmissing-prototypes]
7491 | void sched_online_group(struct task_group *tg, struct task_group *parent)
| ^~~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:7502:6: warning: no previous prototype for 'sched_destroy_group' [-Wmissing-prototypes]
7502 | void sched_destroy_group(struct task_group *tg)
| ^~~~~~~~~~~~~~~~~~~
>> kernel/sched/alt_core.c:7508:6: warning: no previous prototype for 'sched_release_group' [-Wmissing-prototypes]
7508 | void sched_release_group(struct task_group *tg)
| ^~~~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:7578:5: warning: no previous prototype for 'sched_group_set_shares' [-Wmissing-prototypes]
7578 | int sched_group_set_shares(struct task_group *tg, unsigned long shares)
| ^~~~~~~~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:7647:27: warning: initialized field overwritten [-Woverride-init]
7647 | .legacy_cftypes = cpu_legacy_files,
| ^~~~~~~~~~~~~~~~
kernel/sched/alt_core.c:7647:27: note: (near initialization for 'cpu_cgrp_subsys.legacy_cftypes')
In file included from include/linux/perf_event.h:25,
from include/linux/trace_events.h:10,
from include/trace/trace_events.h:21,
from include/trace/define_trace.h:102,
from include/trace/events/sched.h:738,
from kernel/sched/alt_core.c:15:
arch/arc/include/asm/perf_event.h:126:27: warning: 'arc_pmu_cache_map' defined but not used [-Wunused-const-variable=]
126 | static const unsigned int arc_pmu_cache_map[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
| ^~~~~~~~~~~~~~~~~
arch/arc/include/asm/perf_event.h:91:27: warning: 'arc_pmu_ev_hw_map' defined but not used [-Wunused-const-variable=]
91 | static const char * const arc_pmu_ev_hw_map[] = {
| ^~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/sched_release_group +7508 kernel/sched/alt_core.c
7507
> 7508 void sched_release_group(struct task_group *tg)
7509 {
7510 }
7511
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2021-11-26 3:00 [zen:5.15/prjc 10/11] kernel/sched/alt_core.c:7508:6: warning: no previous prototype for 'sched_release_group' kernel test robot
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