Re: [PATCH v5 5/5] intel_idle: Add S0ix validation
From: kbuild test robot
Date: Sun Jul 09 2017 - 03:15:11 EST
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:
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