Hi viresh,

FYI, there are new sparse warnings show up in

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
head:   13f5e2d9a915373dd1573d8fe0214738bc69004f
commit: 83a73f712f2275033b2dc7f5c664988a1823ebc7 cpufreq: Move common part from governors to separate file, v2
date:   5 hours ago

+ drivers/cpufreq/cpufreq_governor.c:46:53: sparse: incorrect type in argument 2 (different modifiers)
drivers/cpufreq/cpufreq_governor.c:46:53:    expected unsigned long long [usertype] *wall
drivers/cpufreq/cpufreq_governor.c:46:53:    got unsigned long long [nocast] [usertype] *wall
+ drivers/cpufreq/cpufreq_governor.c:46:53: sparse: implicit cast from nocast type
drivers/cpufreq/cpufreq_governor.c:48:58: sparse: incorrect type in argument 2 (different modifiers)
drivers/cpufreq/cpufreq_governor.c:48:58:    expected unsigned long long [usertype] *last_update_time
drivers/cpufreq/cpufreq_governor.c:48:58:    got unsigned long long [nocast] [usertype] *wall
drivers/cpufreq/cpufreq_governor.c:48:58: sparse: implicit cast from nocast type

vim +46 drivers/cpufreq/cpufreq_governor.c

83a73f71 viresh kumar 2012-10-23  30  	busy_time += kcpustat_cpu(cpu).cpustat[CPUTIME_SOFTIRQ];
83a73f71 viresh kumar 2012-10-23  31  	busy_time += kcpustat_cpu(cpu).cpustat[CPUTIME_STEAL];
83a73f71 viresh kumar 2012-10-23  32  	busy_time += kcpustat_cpu(cpu).cpustat[CPUTIME_NICE];
83a73f71 viresh kumar 2012-10-23  33  
83a73f71 viresh kumar 2012-10-23  34  	idle_time = cur_wall_time - busy_time;
83a73f71 viresh kumar 2012-10-23  35  	if (wall)
83a73f71 viresh kumar 2012-10-23  36  		*wall = jiffies_to_usecs(cur_wall_time);
83a73f71 viresh kumar 2012-10-23  37  
83a73f71 viresh kumar 2012-10-23  38  	return jiffies_to_usecs(idle_time);
83a73f71 viresh kumar 2012-10-23  39  }
83a73f71 viresh kumar 2012-10-23  40  
83a73f71 viresh kumar 2012-10-23  41  cputime64_t get_cpu_idle_time(unsigned int cpu, cputime64_t *wall)
83a73f71 viresh kumar 2012-10-23  42  {
83a73f71 viresh kumar 2012-10-23  43  	u64 idle_time = get_cpu_idle_time_us(cpu, NULL);
83a73f71 viresh kumar 2012-10-23  44  
83a73f71 viresh kumar 2012-10-23  45  	if (idle_time == -1ULL)
83a73f71 viresh kumar 2012-10-23 @46  		return get_cpu_idle_time_jiffy(cpu, wall);
83a73f71 viresh kumar 2012-10-23  47  	else
83a73f71 viresh kumar 2012-10-23  48  		idle_time += get_cpu_iowait_time_us(cpu, wall);
83a73f71 viresh kumar 2012-10-23  49  
83a73f71 viresh kumar 2012-10-23  50  	return idle_time;
83a73f71 viresh kumar 2012-10-23  51  }
83a73f71 viresh kumar 2012-10-23  52  EXPORT_SYMBOL_GPL(get_cpu_idle_time);

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0-DAY kernel build testing backend         Open Source Technology Center
Fengguang Wu, Yuanhan Liu                              Intel Corporation