tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core head: 65874bd36e6ae3028539e989bfb5c28ad457368e commit: c2cb30bfceceba8a2a0d5713230a250dd6140e22 [24/27] power/suspend: Add function to disable secondaries for suspend config: x86_64-randconfig-l3-05031806 (attached as .config) compiler: gcc-5 (Debian 5.5.0-3) 5.4.1 20171010 reproduce: git checkout c2cb30bfceceba8a2a0d5713230a250dd6140e22 # save the attached .config to linux build tree make ARCH=x86_64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <l...@intel.com>
All errors (new ones prefixed by >>):
kernel/power/suspend.c: In function 'suspend_enter':
>> kernel/power/suspend.c:431:10: error: implicit declaration of function
>> 'suspend_disable_secondary_cpus' [-Werror=implicit-function-declaration]
error = suspend_disable_secondary_cpus();
^
>> kernel/power/suspend.c:461:2: error: implicit declaration of function
>> 'suspend_enable_secondary_cpus' [-Werror=implicit-function-declaration]
suspend_enable_secondary_cpus();
^
cc1: some warnings being treated as errors
vim +/suspend_disable_secondary_cpus +431 kernel/power/suspend.c
389
390 /**
391 * suspend_enter - Make the system enter the given sleep state.
392 * @state: System sleep state to enter.
393 * @wakeup: Returns information that the sleep state should not be
re-entered.
394 *
395 * This function should be called after devices have been suspended.
396 */
397 static int suspend_enter(suspend_state_t state, bool *wakeup)
398 {
399 int error;
400
401 error = platform_suspend_prepare(state);
402 if (error)
403 goto Platform_finish;
404
405 error = dpm_suspend_late(PMSG_SUSPEND);
406 if (error) {
407 pr_err("late suspend of devices failed\n");
408 goto Platform_finish;
409 }
410 error = platform_suspend_prepare_late(state);
411 if (error)
412 goto Devices_early_resume;
413
414 if (state == PM_SUSPEND_TO_IDLE && pm_test_level !=
TEST_PLATFORM) {
415 s2idle_loop();
416 goto Platform_early_resume;
417 }
418
419 error = dpm_suspend_noirq(PMSG_SUSPEND);
420 if (error) {
421 pr_err("noirq suspend of devices failed\n");
422 goto Platform_early_resume;
423 }
424 error = platform_suspend_prepare_noirq(state);
425 if (error)
426 goto Platform_wake;
427
428 if (suspend_test(TEST_PLATFORM))
429 goto Platform_wake;
430
> 431 error = suspend_disable_secondary_cpus();
432 if (error || suspend_test(TEST_CPUS))
433 goto Enable_cpus;
434
435 arch_suspend_disable_irqs();
436 BUG_ON(!irqs_disabled());
437
438 system_state = SYSTEM_SUSPEND;
439
440 error = syscore_suspend();
441 if (!error) {
442 *wakeup = pm_wakeup_pending();
443 if (!(suspend_test(TEST_CORE) || *wakeup)) {
444 trace_suspend_resume(TPS("machine_suspend"),
445 state, true);
446 error = suspend_ops->enter(state);
447 trace_suspend_resume(TPS("machine_suspend"),
448 state, false);
449 } else if (*wakeup) {
450 error = -EBUSY;
451 }
452 syscore_resume();
453 }
454
455 system_state = SYSTEM_RUNNING;
456
457 arch_suspend_enable_irqs();
458 BUG_ON(irqs_disabled());
459
460 Enable_cpus:
> 461 suspend_enable_secondary_cpus();
462
463 Platform_wake:
464 platform_resume_noirq(state);
465 dpm_resume_noirq(PMSG_RESUME);
466
467 Platform_early_resume:
468 platform_resume_early(state);
469
470 Devices_early_resume:
471 dpm_resume_early(PMSG_RESUME);
472
473 Platform_finish:
474 platform_resume_finish(state);
475 return error;
476 }
477
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.config.gz
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