On 16-01-26, 15:52, Frederic Weisbecker wrote: > cpufreq calls get_cpu_idle_time_us() just to know if idle cputime > accounting has a nanoseconds granularity. > > Use the appropriate indicator instead to make that deduction. > > Signed-off-by: Frederic Weisbecker <[email protected]> > --- > drivers/cpufreq/cpufreq_ondemand.c | 7 +------ > 1 file changed, 1 insertion(+), 6 deletions(-) > > diff --git a/drivers/cpufreq/cpufreq_ondemand.c > b/drivers/cpufreq/cpufreq_ondemand.c > index a6ecc203f7b7..2d52ee035702 100644 > --- a/drivers/cpufreq/cpufreq_ondemand.c > +++ b/drivers/cpufreq/cpufreq_ondemand.c > @@ -334,17 +334,12 @@ static void od_free(struct policy_dbs_info *policy_dbs) > static int od_init(struct dbs_data *dbs_data) > { > struct od_dbs_tuners *tuners; > - u64 idle_time; > - int cpu; > > tuners = kzalloc(sizeof(*tuners), GFP_KERNEL); > if (!tuners) > return -ENOMEM; > > - cpu = get_cpu(); > - idle_time = get_cpu_idle_time_us(cpu, NULL); > - put_cpu(); > - if (idle_time != -1ULL) { > + if (tick_nohz_enabled) { > /* Idle micro accounting is supported. Use finer thresholds */ > dbs_data->up_threshold = MICRO_FREQUENCY_UP_THRESHOLD; > } else {
Acked-by: Viresh Kumar <[email protected]> -- viresh
