linux-kernel - Re: [PATCH v2 1/5] PM / devfreq: Fix cpufreq passive unregister erroring on PROBE

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Date:   Tue, 14 Jun 2022 14:59:24 +0800
From:   kernel test robot <lkp@...el.com>
To:     Christian 'Ansuel' Marangi <ansuelsmth@...il.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Sibi Sankar <sibis@...eaurora.org>,
        Saravana Kannan <skannan@...eaurora.org>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        Christian 'Ansuel' Marangi <ansuelsmth@...il.com>
Subject: Re: [PATCH v2 1/5] PM / devfreq: Fix cpufreq passive unregister
 erroring on PROBE_DEFER

Hi Christian,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on chanwoo/devfreq-testing]
[also build test ERROR on linus/master v5.19-rc2 next-20220610]
[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]

url:    https://github.com/intel-lab-lkp/linux/commits/Christian-Ansuel-Marangi/PM-devfreq-Various-Fixes-to-cpufreq-based-passive-governor/20220614-020616
base:   https://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/linux.git devfreq-testing
config: arm-randconfig-r026-20220613 (https://download.01.org/0day-ci/archive/20220614/202206141415.1BsuJvCD-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c97436f8b6e2718286e8496faf53a2c800e281cf)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://github.com/intel-lab-lkp/linux/commit/378807dd7da24162524c0ba84e996157b3e289c6
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Christian-Ansuel-Marangi/PM-devfreq-Various-Fixes-to-cpufreq-based-passive-governor/20220614-020616
        git checkout 378807dd7da24162524c0ba84e996157b3e289c6
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> drivers/devfreq/governor_passive.c:235:72: error: too few arguments provided to function-like macro invocation
           list_for_each_entry_safe(parent_cpu_data, &p_data->cpu_data_list, node) {
                                                                                 ^
   include/linux/list.h:760:9: note: macro 'list_for_each_entry_safe' defined here
   #define list_for_each_entry_safe(pos, n, head, member)                  \
           ^
>> drivers/devfreq/governor_passive.c:235:2: error: use of undeclared identifier 'list_for_each_entry_safe'
           list_for_each_entry_safe(parent_cpu_data, &p_data->cpu_data_list, node) {
           ^
   2 errors generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for ARM_CPU_SUSPEND
   Depends on ARCH_SUSPEND_POSSIBLE
   Selected by
   - ARM_TEGRA_CPUIDLE && CPU_IDLE && (ARM || ARM64) && (ARCH_TEGRA || COMPILE_TEST && !ARM64 && MMU
   - ARM_QCOM_SPM_CPUIDLE && CPU_IDLE && (ARM || ARM64) && (ARCH_QCOM || COMPILE_TEST && !ARM64 && MMU


vim +235 drivers/devfreq/governor_passive.c

   220	
   221	static int cpufreq_passive_unregister_notifier(struct devfreq *devfreq)
   222	{
   223		struct devfreq_passive_data *p_data
   224				= (struct devfreq_passive_data *)devfreq->data;
   225		struct devfreq_cpu_data *parent_cpu_data;
   226		int ret;
   227	
   228		if (p_data->nb.notifier_call) {
   229			ret = cpufreq_unregister_notifier(&p_data->nb,
   230						CPUFREQ_TRANSITION_NOTIFIER);
   231			if (ret < 0)
   232				return ret;
   233		}
   234	
 > 235		list_for_each_entry_safe(parent_cpu_data, &p_data->cpu_data_list, node) {
   236			list_del(&parent_cpu_data->node);
   237	
   238			if (parent_cpu_data->opp_table)
   239				dev_pm_opp_put_opp_table(parent_cpu_data->opp_table);
   240	
   241			kfree(parent_cpu_data);
   242		}
   243	
   244		return 0;
   245	}
   246	

-- 
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https://01.org/lkp