[akpm-mm:mm-nonmm-unstable 54/56] kernel/watchdog.c:526:25: error: too many arguments to function 'trigger_allbutcpu_cpu_backtrace'

[akpm-mm:mm-nonmm-unstable 54/56] kernel/watchdog.c:526:25: error: too many arguments to function 'trigger_allbutcpu_cpu_backtrace'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable
head:   b1cb25d092e113f8a4424a37c94b1d41cb430511
commit: 0ca1d340a231ec8e8f2586c4bf2dc8c4f7d4ddc9 [54/56] nmi_backtrace: allow excluding an arbitrary CPU
config: sparc-randconfig-r036-20230731 (https://download.01.org/0day-ci/archive/20230805/202308051325.L5GexhAl-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230805/202308051325.L5GexhAl-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308051325.L5GexhAl-lkp@intel.com/

All errors (new ones prefixed by >>):

   kernel/watchdog.c: In function 'watchdog_timer_fn':
>> kernel/watchdog.c:526:25: error: too many arguments to function 'trigger_allbutcpu_cpu_backtrace'
     526 |                         trigger_allbutcpu_cpu_backtrace(smp_processor_id());
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from kernel/watchdog.c:17:
   include/linux/nmi.h:193:20: note: declared here
     193 | static inline bool trigger_allbutcpu_cpu_backtrace(void)
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/trigger_allbutcpu_cpu_backtrace +526 kernel/watchdog.c

   441	
   442	/* watchdog kicker functions */
   443	static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer)
   444	{
   445		unsigned long touch_ts, period_ts, now;
   446		struct pt_regs *regs = get_irq_regs();
   447		int duration;
   448		int softlockup_all_cpu_backtrace = sysctl_softlockup_all_cpu_backtrace;
   449	
   450		if (!watchdog_enabled)
   451			return HRTIMER_NORESTART;
   452	
   453		watchdog_hardlockup_kick();
   454	
   455		/* kick the softlockup detector */
   456		if (completion_done(this_cpu_ptr(&softlockup_completion))) {
   457			reinit_completion(this_cpu_ptr(&softlockup_completion));
   458			stop_one_cpu_nowait(smp_processor_id(),
   459					softlockup_fn, NULL,
   460					this_cpu_ptr(&softlockup_stop_work));
   461		}
   462	
   463		/* .. and repeat */
   464		hrtimer_forward_now(hrtimer, ns_to_ktime(sample_period));
   465	
   466		/*
   467		 * Read the current timestamp first. It might become invalid anytime
   468		 * when a virtual machine is stopped by the host or when the watchog
   469		 * is touched from NMI.
   470		 */
   471		now = get_timestamp();
   472		/*
   473		 * If a virtual machine is stopped by the host it can look to
   474		 * the watchdog like a soft lockup. This function touches the watchdog.
   475		 */
   476		kvm_check_and_clear_guest_paused();
   477		/*
   478		 * The stored timestamp is comparable with @now only when not touched.
   479		 * It might get touched anytime from NMI. Make sure that is_softlockup()
   480		 * uses the same (valid) value.
   481		 */
   482		period_ts = READ_ONCE(*this_cpu_ptr(&watchdog_report_ts));
   483	
   484		/* Reset the interval when touched by known problematic code. */
   485		if (period_ts == SOFTLOCKUP_DELAY_REPORT) {
   486			if (unlikely(__this_cpu_read(softlockup_touch_sync))) {
   487				/*
   488				 * If the time stamp was touched atomically
   489				 * make sure the scheduler tick is up to date.
   490				 */
   491				__this_cpu_write(softlockup_touch_sync, false);
   492				sched_clock_tick();
   493			}
   494	
   495			update_report_ts();
   496			return HRTIMER_RESTART;
   497		}
   498	
   499		/* Check for a softlockup. */
   500		touch_ts = __this_cpu_read(watchdog_touch_ts);
   501		duration = is_softlockup(touch_ts, period_ts, now);
   502		if (unlikely(duration)) {
   503			/*
   504			 * Prevent multiple soft-lockup reports if one cpu is already
   505			 * engaged in dumping all cpu back traces.
   506			 */
   507			if (softlockup_all_cpu_backtrace) {
   508				if (test_and_set_bit_lock(0, &soft_lockup_nmi_warn))
   509					return HRTIMER_RESTART;
   510			}
   511	
   512			/* Start period for the next softlockup warning. */
   513			update_report_ts();
   514	
   515			pr_emerg("BUG: soft lockup - CPU#%d stuck for %us! [%s:%d]\n",
   516				smp_processor_id(), duration,
   517				current->comm, task_pid_nr(current));
   518			print_modules();
   519			print_irqtrace_events(current);
   520			if (regs)
   521				show_regs(regs);
   522			else
   523				dump_stack();
   524	
   525			if (softlockup_all_cpu_backtrace) {
 > 526				trigger_allbutcpu_cpu_backtrace(smp_processor_id());
   527				clear_bit_unlock(0, &soft_lockup_nmi_warn);
   528			}
   529	
   530			add_taint(TAINT_SOFTLOCKUP, LOCKDEP_STILL_OK);
   531			if (softlockup_panic)
   532				panic("softlockup: hung tasks");
   533		}
   534	
   535		return HRTIMER_RESTART;
   536	}
   537	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki