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[S390] cputime: add sparse checking and cleanup

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Make cputime_t and cputime64_t nocast to enable sparse checking to
detect incorrect use of cputime. Drop the cputime macros for simple
scalar operations. The conversion macros are still needed.

Signed-off-by: Martin Schwidefsky <[email protected]>
This commit is contained in:
Martin Schwidefsky 2011-12-15 14:56:09 +01:00
commit 648616343c
23 changed files with 323 additions and 429 deletions
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11
drivers/macintosh/rack-meter.c
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@ -83,11 +83,10 @@ static inline cputime64_t get_cpu_idle_time(unsigned int cpu)
{
cputime64_t retval;
retval = cputime64_add(kstat_cpu(cpu).cpustat.idle,
kstat_cpu(cpu).cpustat.iowait);
retval = kstat_cpu(cpu).cpustat.idle + kstat_cpu(cpu).cpustat.iowait;
if (rackmeter_ignore_nice)
retval = cputime64_add(retval, kstat_cpu(cpu).cpustat.nice);
retval += kstat_cpu(cpu).cpustat.nice;
return retval;
}
@ -220,13 +219,11 @@ static void rackmeter_do_timer(struct work_struct *work)
int i, offset, load, cumm, pause;
cur_jiffies = jiffies64_to_cputime64(get_jiffies_64());
total_ticks = (unsigned int)cputime64_sub(cur_jiffies,
rcpu->prev_wall);
total_ticks = (unsigned int) (cur_jiffies - rcpu->prev_wall);
rcpu->prev_wall = cur_jiffies;
total_idle_ticks = get_cpu_idle_time(cpu);
idle_ticks = (unsigned int) cputime64_sub(total_idle_ticks,
rcpu->prev_idle);
idle_ticks = (unsigned int) (total_idle_ticks - rcpu->prev_idle);
rcpu->prev_idle = total_idle_ticks;
/* We do a very dumb calculation to update the LEDs for now,