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Message-ID: <201707091521.d9tvoGhb%fengguang.wu@intel.com>
Date:   Sun, 9 Jul 2017 15:13:35 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Derek Basehore <dbasehore@...omium.org>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Rajneesh Bhardwaj <rajneesh.bhardwaj@...el.com>,
        x86@...nel.org, platform-driver-x86@...r.kernel.org,
        "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Len Brown <len.brown@...el.com>, linux-pm@...r.kernel.org,
        Derek Basehore <dbasehore@...omium.org>
Subject: Re: [PATCH v5 5/5] intel_idle: Add S0ix validation

Hi Derek,

[auto build test ERROR on pm/linux-next]
[also build test ERROR on next-20170707]
[cannot apply to v4.12]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Derek-Basehore/x86-stub-out-pmc-function/20170709-134714
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: x86_64-randconfig-x015-201728 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/idle/intel_idle.c: In function 'intel_idle_freeze_and_check':
>> drivers/idle/intel_idle.c:1022:9: error: implicit declaration of function 'tick_set_freeze_event' [-Werror=implicit-function-declaration]
      ret = tick_set_freeze_event(cpu, ktime_set(slp_s0_seconds, 0));
            ^~~~~~~~~~~~~~~~~~~~~
>> drivers/idle/intel_idle.c:1042:27: error: implicit declaration of function 'tick_clear_freeze_event' [-Werror=implicit-function-declaration]
     if (check_on_this_cpu && tick_clear_freeze_event(cpu))
                              ^~~~~~~~~~~~~~~~~~~~~~~
   Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:set_bit
   Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:clear_bit
   Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:constant_test_bit
   Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:variable_test_bit
   Cyclomatic Complexity 1 arch/x86/include/asm/current.h:get_current
   Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:__cpuid
   Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:paravirt_read_msr
   Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:paravirt_write_msr
   Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:wrmsrl
   Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_save_flags
   Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_irq_restore
   Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_irq_disable
   Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_irq_save
   Cyclomatic Complexity 1 arch/x86/include/asm/special_insns.h:clflush
   Cyclomatic Complexity 1 include/linux/math64.h:div64_u64
   Cyclomatic Complexity 1 arch/x86/include/asm/processor.h:cpuid
   Cyclomatic Complexity 3 arch/x86/include/asm/cpufeature.h:_static_cpu_has
   Cyclomatic Complexity 1 include/linux/thread_info.h:set_ti_thread_flag
   Cyclomatic Complexity 1 include/linux/thread_info.h:clear_ti_thread_flag
   Cyclomatic Complexity 2 include/linux/thread_info.h:test_ti_thread_flag
   Cyclomatic Complexity 1 arch/x86/include/asm/preempt.h:set_preempt_need_resched
   Cyclomatic Complexity 5 arch/x86/include/asm/preempt.h:__preempt_count_add
   Cyclomatic Complexity 5 arch/x86/include/asm/preempt.h:__preempt_count_sub
   Cyclomatic Complexity 1 include/linux/spinlock.h:spinlock_check
   Cyclomatic Complexity 1 include/linux/spinlock.h:spin_unlock_irqrestore
   Cyclomatic Complexity 2 include/linux/ktime.h:ktime_set
   Cyclomatic Complexity 1 include/linux/sched.h:need_resched
   Cyclomatic Complexity 1 include/linux/tick.h:tick_broadcast_enable
   Cyclomatic Complexity 1 include/linux/tick.h:tick_broadcast_disable
   Cyclomatic Complexity 1 include/linux/tick.h:tick_broadcast_enter
   Cyclomatic Complexity 1 include/linux/tick.h:tick_broadcast_exit
   Cyclomatic Complexity 1 arch/x86/include/asm/mmu.h:leave_mm
   Cyclomatic Complexity 1 include/linux/cpuhotplug.h:cpuhp_setup_state
   Cyclomatic Complexity 1 include/linux/suspend.h:register_pm_notifier
   Cyclomatic Complexity 1 include/linux/suspend.h:unregister_pm_notifier
   Cyclomatic Complexity 1 include/linux/sched/idle.h:__current_set_polling
   Cyclomatic Complexity 1 include/linux/sched/idle.h:current_set_polling_and_test
   Cyclomatic Complexity 1 include/linux/sched/idle.h:__current_clr_polling
   Cyclomatic Complexity 2 include/linux/sched/idle.h:current_clr_polling
   Cyclomatic Complexity 1 arch/x86/include/asm/mwait.h:__monitor
   Cyclomatic Complexity 1 arch/x86/include/asm/mwait.h:__mwait
   Cyclomatic Complexity 5 arch/x86/include/asm/mwait.h:mwait_idle_with_hints
   Cyclomatic Complexity 4 drivers/idle/intel_idle.c:intel_idle
   Cyclomatic Complexity 1 drivers/idle/intel_idle.c:intel_idle_freeze
   Cyclomatic Complexity 2 drivers/idle/intel_idle.c:slp_s0_check_prepare
   Cyclomatic Complexity 2 drivers/idle/intel_idle.c:__setup_broadcast_timer
   Cyclomatic Complexity 1 drivers/idle/intel_idle.c:auto_demotion_disable
   Cyclomatic Complexity 1 drivers/idle/intel_idle.c:c1e_promotion_disable
   Cyclomatic Complexity 5 drivers/idle/intel_idle.c:ivt_idle_state_table_update
   Cyclomatic Complexity 2 drivers/idle/intel_idle.c:irtl_2_usec
   Cyclomatic Complexity 6 drivers/idle/intel_idle.c:bxt_idle_state_table_update
   Cyclomatic Complexity 6 drivers/idle/intel_idle.c:sklh_idle_state_table_update
   Cyclomatic Complexity 4 drivers/idle/intel_idle.c:intel_idle_state_table_update
   Cyclomatic Complexity 4 drivers/idle/intel_idle.c:intel_idle_cpu_init
   Cyclomatic Complexity 3 drivers/idle/intel_idle.c:intel_idle_cpu_online
   Cyclomatic Complexity 7 drivers/idle/intel_idle.c:intel_idle_probe
   Cyclomatic Complexity 3 drivers/idle/intel_idle.c:check_slp_s0
   Cyclomatic Complexity 10 drivers/idle/intel_idle.c:intel_idle_freeze_and_check
   Cyclomatic Complexity 10 drivers/idle/intel_idle.c:intel_idle_cpuidle_driver_init
   Cyclomatic Complexity 2 drivers/idle/intel_idle.c:intel_idle_cpuidle_devices_uninit
   Cyclomatic Complexity 9 drivers/idle/intel_idle.c:intel_idle_init
   cc1: some warnings being treated as errors

vim +/tick_set_freeze_event +1022 drivers/idle/intel_idle.c

  1016		spin_lock_irqsave(&slp_s0_check_lock, flags);
  1017		slp_s0_num_cpus++;
  1018		if (slp_s0_seconds &&
  1019		    slp_s0_num_cpus == num_online_cpus() &&
  1020		    !slp_s0_check_inprogress &&
  1021		    !intel_pmc_slp_s0_counter_read(&slp_s0_saved_count)) {
> 1022			ret = tick_set_freeze_event(cpu, ktime_set(slp_s0_seconds, 0));
  1023			if (ret < 0) {
  1024				spin_unlock_irqrestore(&slp_s0_check_lock, flags);
  1025				goto out;
  1026			}
  1027	
  1028			/*
  1029			 * Make sure check_slp_s0 isn't scheduled on another CPU if it
  1030			 * were to leave freeze and enter it again before this CPU
  1031			 * leaves freeze.
  1032			 */
  1033			slp_s0_check_inprogress = true;
  1034			check_on_this_cpu = true;
  1035		}
  1036		spin_unlock_irqrestore(&slp_s0_check_lock, flags);
  1037	
  1038		ret = intel_idle_freeze(dev, drv, index);
  1039		if (ret < 0)
  1040			goto out;
  1041	
> 1042		if (check_on_this_cpu && tick_clear_freeze_event(cpu))
  1043			ret = check_slp_s0(slp_s0_saved_count);
  1044	
  1045	out:

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

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