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-l2-05031806 (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/hibernate.c: In function 'create_image':
>> kernel/power/hibernate.c:284:10: error: implicit declaration of function
>> 'suspend_disable_secondary_cpus' [-Werror=implicit-function-declaration]
error = suspend_disable_secondary_cpus();
^
>> kernel/power/hibernate.c:326:2: 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 +284 kernel/power/hibernate.c
260
261 /**
262 * create_image - Create a hibernation image.
263 * @platform_mode: Whether or not to use the platform driver.
264 *
265 * Execute device drivers' "late" and "noirq" freeze callbacks, create a
266 * hibernation image and run the drivers' "noirq" and "early" thaw
callbacks.
267 *
268 * Control reappears in this routine after the subsequent restore.
269 */
270 static int create_image(int platform_mode)
271 {
272 int error;
273
274 error = dpm_suspend_end(PMSG_FREEZE);
275 if (error) {
276 pr_err("Some devices failed to power down, aborting
hibernation\n");
277 return error;
278 }
279
280 error = platform_pre_snapshot(platform_mode);
281 if (error || hibernation_test(TEST_PLATFORM))
282 goto Platform_finish;
283
> 284 error = suspend_disable_secondary_cpus();
285 if (error || hibernation_test(TEST_CPUS))
286 goto Enable_cpus;
287
288 local_irq_disable();
289
290 system_state = SYSTEM_SUSPEND;
291
292 error = syscore_suspend();
293 if (error) {
294 pr_err("Some system devices failed to power down,
aborting hibernation\n");
295 goto Enable_irqs;
296 }
297
298 if (hibernation_test(TEST_CORE) || pm_wakeup_pending())
299 goto Power_up;
300
301 in_suspend = 1;
302 save_processor_state();
303 trace_suspend_resume(TPS("machine_suspend"),
PM_EVENT_HIBERNATE, true);
304 error = swsusp_arch_suspend();
305 /* Restore control flow magically appears here */
306 restore_processor_state();
307 trace_suspend_resume(TPS("machine_suspend"),
PM_EVENT_HIBERNATE, false);
308 if (error)
309 pr_err("Error %d creating hibernation image\n", error);
310
311 if (!in_suspend) {
312 events_check_enabled = false;
313 clear_free_pages();
314 }
315
316 platform_leave(platform_mode);
317
318 Power_up:
319 syscore_resume();
320
321 Enable_irqs:
322 system_state = SYSTEM_RUNNING;
323 local_irq_enable();
324
325 Enable_cpus:
> 326 suspend_enable_secondary_cpus();
327
328 Platform_finish:
329 platform_finish(platform_mode);
330
331 dpm_resume_start(in_suspend ?
332 (error ? PMSG_RECOVER : PMSG_THAW) : PMSG_RESTORE);
333
334 return error;
335 }
336
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.config.gz
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