3:48 a.m.
tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.19
head: 45baa007ba13bc516470dbd9379b2f7525a087e1
commit: 56b6a5dcf7349d151c47201626e0f1b62334febf [44/59] FROMLIST: sched: Core-wide
rq->lock
config: x86_64-randconfig-s022-20200615 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.2-rc1-3-g55607964-dirty
git checkout 56b6a5dcf7349d151c47201626e0f1b62334febf
# save the attached .config to linux build tree
make W=1 C=1 ARCH=x86_64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
sparse warnings: (new ones prefixed by >>)
> kernel/sched/core.c:109:6: sparse: sparse: symbol
'sched_core_get' was not declared. Should it be static?
> kernel/sched/core.c:117:6: sparse: sparse: symbol 'sched_core_put' was not
declared. Should it be static?
kernel/sched/core.c:579:9: sparse: sparse:
incompatible types in comparison expression (different address spaces):
kernel/sched/core.c:579:9: sparse: struct sched_domain [noderef] <asn:4> *
kernel/sched/core.c:579:9: sparse: struct sched_domain *
kernel/sched/core.c:1701:17: sparse: sparse: incompatible types in comparison
expression (different address spaces):
kernel/sched/core.c:1701:17: sparse: struct sched_domain [noderef] <asn:4> *
kernel/sched/core.c:1701:17: sparse: struct sched_domain *
kernel/sched/core.c:1889:27: sparse: sparse: incompatible types in comparison
expression (different address spaces):
kernel/sched/core.c:1889:27: sparse: struct task_struct [noderef] <asn:4> *
kernel/sched/core.c:1889:27: sparse: struct task_struct *
kernel/sched/core.c:5141:28: sparse: sparse: context imbalance in
'__cond_resched_lock' - unexpected unlock
kernel/sched/core.c:109:6: warning: no previous prototype for 'sched_core_get'
[-Wmissing-prototypes]
109 | void sched_core_get(void)
| ^~~~~~~~~~~~~~
kernel/sched/core.c:117:6: warning: no previous prototype for 'sched_core_put'
[-Wmissing-prototypes]
117 | void sched_core_put(void)
| ^~~~~~~~~~~~~~
kernel/sched/core.c:1642:6: warning: no previous prototype for
'sched_set_stop_task' [-Wmissing-prototypes]
1642 | void sched_set_stop_task(int cpu, struct task_struct *stop)
| ^~~~~~~~~~~~~~~~~~~
kernel/sched/core.c:3843:35: warning: no previous prototype for
'preempt_schedule_irq' [-Wmissing-prototypes]
3843 | asmlinkage __visible void __sched preempt_schedule_irq(void)
| ^~~~~~~~~~~~~~~~~~~~
kernel/sched/core.c: In function 'sched_init':
kernel/sched/core.c:6111:32: warning: variable 'ptr' set but not used
[-Wunused-but-set-variable]
6111 | unsigned long alloc_size = 0, ptr;
| ^~~
Please review and possibly fold the followup patch.
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org