Re: Re: [RFC][PATCH] sched: Start stopper early

From: kbuild test robot
Date: Wed Oct 07 2015 - 09:37:42 EST


Hi Oleg,

[auto build test ERROR on v4.3-rc4 -- if it's inappropriate base, please ignore]

config: x86_64-randconfig-x019-201540 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All errors (new ones prefixed by >>):

kernel/cpu.c: In function 'take_cpu_down':
>> kernel/cpu.c:347:2: error: implicit declaration of function 'stop_machine_park' [-Werror=implicit-function-declaration]
stop_machine_park(param->hcpu);
^
cc1: some warnings being treated as errors

vim +/stop_machine_park +347 kernel/cpu.c

341 return err;
342
343 cpu_notify(CPU_DYING | param->mod, param->hcpu);
344 /* Give up timekeeping duties */
345 tick_handover_do_timer();
346 /* Park the stopper thread */
> 347 stop_machine_park(param->hcpu);
348 return 0;
349 }
350

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation

Attachment: .config.gz
Description: Binary data