6:08 p.m.
tree: https://android.googlesource.com/kernel/common android12-5.10
head: 43edfc892e926ffa364f591dea27729ff4a60f3d
commit: 5ada76d0563798c02c4217d61d85cfacc1279a7a [3217/3240] ANDROID: sched/pause: prevent
wake up paused cpus
config: arm64-randconfig-r036-20210114 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project
6077d55381a6aa3e947ef7abdc36a7515c598c8a)
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 arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
git remote add android-common https://android.googlesource.com/kernel/common
git fetch --no-tags android-common android12-5.10
git checkout 5ada76d0563798c02c4217d61d85cfacc1279a7a
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All errors (new ones prefixed by >>):
kernel/smp.c:444:6: warning: no previous prototype for function
'flush_smp_call_function_from_idle' [-Wmissing-prototypes]
void flush_smp_call_function_from_idle(void)
^
kernel/smp.c:444:1: note: declare 'static' if the function is not intended to
be used outside of this translation unit
void flush_smp_call_function_from_idle(void)
^
static
> kernel/smp.c:957:7: error: use of undeclared identifier
's2idle_state'
if (s2idle_state == S2IDLE_STATE_ENTER ||
cpu_active(cpu))
^
> kernel/smp.c:957:23: error: use of undeclared identifier
'S2IDLE_STATE_ENTER'
if (s2idle_state ==
S2IDLE_STATE_ENTER || cpu_active(cpu))
^
1 warning and 2 errors generated.
vim +/s2idle_state +957 kernel/smp.c
941
942 /**
943 * wake_up_all_idle_cpus - break all cpus out of idle
944 * wake_up_all_idle_cpus try to break all cpus which is in idle state even
945 * including idle polling cpus, for non-idle cpus, we will do nothing
946 * for them.
947 */
948 void wake_up_all_idle_cpus(void)
949 {
950 int cpu;
951
952 preempt_disable();
953 for_each_online_cpu(cpu) {
954 if (cpu == smp_processor_id())
955 continue;
956
957 if (s2idle_state == S2IDLE_STATE_ENTER || cpu_active(cpu))
958 wake_up_if_idle(cpu);
959 }
960 preempt_enable();
961 }
962 EXPORT_SYMBOL_GPL(wake_up_all_idle_cpus);
963
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org