5:27 p.m.
tree: https://android.googlesource.com/kernel/common android-4.19
head: 3b0049b82ec6cd95fa85bd21fb1416de5e82183a
commit: eead51495c8760858c32d9ad0332ffc94397aa82 [2/4] ANDROID: GKI: sched: stub
sched_isolate symbols
config: x86_64-randconfig-a016-20201019 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project
ea693a162786d933863ab079648d4261ac0ead47)
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
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
git remote add android-common https://android.googlesource.com/kernel/common
git fetch --no-tags android-common android-4.19
git checkout eead51495c8760858c32d9ad0332ffc94397aa82
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
In file included from kernel/sched/stubs.c:6:
kernel/sched/sched.h:1158:15: warning: variable 'cookie' is uninitialized when
used here [-Wuninitialized]
rf->cookie = lockdep_pin_lock(&rq->lock);
^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/lockdep.h:455:60: note: expanded from macro 'lockdep_pin_lock'
#define lockdep_pin_lock(l) ({ struct pin_cookie cookie; cookie;
})
^~~~~~
kernel/sched/sched.h:1158:15: note: variable 'cookie' is declared here
include/linux/lockdep.h:455:34: note: expanded from macro 'lockdep_pin_lock'
#define lockdep_pin_lock(l) ({ struct pin_cookie cookie; cookie;
})
^
> kernel/sched/stubs.c:8:5: warning: no previous prototype for
function 'sched_isolate_cpu' [-Wmissing-prototypes]
int
sched_isolate_cpu(int cpu)
^
kernel/sched/stubs.c:8:1: note: declare 'static' if the function is not
intended to be used outside of this translation unit
int sched_isolate_cpu(int cpu)
^
static
> kernel/sched/stubs.c:14:5: warning: no previous prototype for
function 'sched_unisolate_cpu_unlocked' [-Wmissing-prototypes]
int
sched_unisolate_cpu_unlocked(int cpu)
^
kernel/sched/stubs.c:14:1: note: declare 'static' if the function is not
intended to be used outside of this translation unit
int sched_unisolate_cpu_unlocked(int cpu)
^
static
> kernel/sched/stubs.c:20:5: warning: no previous prototype for
function 'sched_unisolate_cpu' [-Wmissing-prototypes]
int
sched_unisolate_cpu(int cpu)
^
kernel/sched/stubs.c:20:1: note: declare 'static' if the function is not
intended to be used outside of this translation unit
int sched_unisolate_cpu(int cpu)
^
static
> kernel/sched/stubs.c:26:5: warning: no previous prototype for
function 'set_task_boost' [-Wmissing-prototypes]
int set_task_boost(int
boost, u64 period)
^
kernel/sched/stubs.c:26:1: note: declare 'static' if the function is not
intended to be used outside of this translation unit
int set_task_boost(int boost, u64 period)
^
static
5 warnings generated.
vim +/sched_isolate_cpu +8 kernel/sched/stubs.c
7
8 int sched_isolate_cpu(int cpu)
9 {
10 return -EINVAL;
11 }
12 EXPORT_SYMBOL_GPL(sched_isolate_cpu);
13
14 int sched_unisolate_cpu_unlocked(int cpu)
15 {
16 return -EINVAL;
17 }
18 EXPORT_SYMBOL_GPL(sched_unisolate_cpu_unlocked);
19
20 int sched_unisolate_cpu(int cpu)
21 {
22 return -EINVAL;
23 }
24 EXPORT_SYMBOL_GPL(sched_unisolate_cpu);
25
26 int set_task_boost(int boost, u64 period)
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org