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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-12-15 14:56:09 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-12-15 14:56:19 +0100 |
| commit | 648616343cdbe904c585a6c12e323d3b3c72e46f (patch) | |
| tree | 514bce1b52663db4ab5662b637c764cf3c2ed1eb /drivers/macintosh | |
| parent | 55b02d2f4445ad625213817a1736bf2884d32547 (diff) | |
| download | linux-stable-648616343cdbe904c585a6c12e323d3b3c72e46f.tar.gz linux-stable-648616343cdbe904c585a6c12e323d3b3c72e46f.tar.bz2 linux-stable-648616343cdbe904c585a6c12e323d3b3c72e46f.zip | |
[S390] cputime: add sparse checking and cleanup
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 <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/macintosh')
| -rw-r--r-- | drivers/macintosh/rack-meter.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c index 2637c139777b..909908ebf164 100644 --- a/drivers/macintosh/rack-meter.c +++ b/drivers/macintosh/rack-meter.c @@ -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, |