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Message-ID: <202410311801.4Cjd0Myc-lkp@intel.com>
Date: Thu, 31 Oct 2024 19:05:25 +0800
From: kernel test robot <lkp@...el.com>
To: Mario Limonciello <superm1@...nel.org>,
	"Rafael J . Wysocki" <rafael@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, Len Brown <lenb@...nel.org>,
	"Gautham R . Shenoy" <gautham.shenoy@....com>,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	Mario Limonciello <mario.limonciello@....com>,
	Ivan Shapovalov <intelfx@...elfx.name>,
	Oleksandr Natalenko <oleksandr@...alenko.name>
Subject: Re: [PATCH] ACPI: processor: Move arch_init_invariance_cppc() call
 later

Hi Mario,

kernel test robot noticed the following build errors:

[auto build test ERROR on rafael-pm/linux-next]
[also build test ERROR on rafael-pm/bleeding-edge linus/master v6.12-rc5 next-20241031]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Mario-Limonciello/ACPI-processor-Move-arch_init_invariance_cppc-call-later/20241030-015107
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/20241029174910.600482-1-superm1%40kernel.org
patch subject: [PATCH] ACPI: processor: Move arch_init_invariance_cppc() call later
config: riscv-randconfig-r071-20241031 (https://download.01.org/0day-ci/archive/20241031/202410311801.4Cjd0Myc-lkp@intel.com/config)
compiler: riscv64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241031/202410311801.4Cjd0Myc-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410311801.4Cjd0Myc-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/acpi/processor_driver.c: In function 'acpi_processor_driver_init':
>> drivers/acpi/processor_driver.c:273:9: error: implicit declaration of function 'arch_init_invariance_cppc' [-Wimplicit-function-declaration]
     273 |         arch_init_invariance_cppc();
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for GET_FREE_REGION
   Depends on [n]: SPARSEMEM [=n]
   Selected by [m]:
   - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=y]


vim +/arch_init_invariance_cppc +273 drivers/acpi/processor_driver.c

   239	
   240	/*
   241	 * We keep the driver loaded even when ACPI is not running.
   242	 * This is needed for the powernow-k8 driver, that works even without
   243	 * ACPI, but needs symbols from this driver
   244	 */
   245	static enum cpuhp_state hp_online;
   246	static int __init acpi_processor_driver_init(void)
   247	{
   248		int result = 0;
   249	
   250		if (acpi_disabled)
   251			return 0;
   252	
   253		if (!cpufreq_register_notifier(&acpi_processor_notifier_block,
   254					       CPUFREQ_POLICY_NOTIFIER)) {
   255			acpi_processor_cpufreq_init = true;
   256			acpi_processor_ignore_ppc_init();
   257		}
   258	
   259		result = driver_register(&acpi_processor_driver);
   260		if (result < 0)
   261			return result;
   262	
   263		result = cpuhp_setup_state(CPUHP_AP_ONLINE_DYN,
   264					   "acpi/cpu-drv:online",
   265					   acpi_soft_cpu_online, NULL);
   266		if (result < 0)
   267			goto err;
   268		hp_online = result;
   269		cpuhp_setup_state_nocalls(CPUHP_ACPI_CPUDRV_DEAD, "acpi/cpu-drv:dead",
   270					  NULL, acpi_soft_cpu_dead);
   271	
   272		acpi_processor_throttling_init();
 > 273		arch_init_invariance_cppc();
   274		return 0;
   275	err:
   276		driver_unregister(&acpi_processor_driver);
   277		return result;
   278	}
   279	

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

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