Re: [PATCH V4 1/2] cpufreq: ondemand: allow custompowersave_bias_target handler to be registered

From: Jacob Shin
Date: Thu Apr 04 2013 - 13:18:19 EST


On Thu, Apr 04, 2013 at 10:06:35PM +0530, Viresh Kumar wrote:
> On 4 April 2013 21:49, Jacob Shin <jacob.shin@xxxxxxx> wrote:
> > diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
>
> > +static void od_set_powersave_bias(unsigned int powersave_bias)
> > +{
> > + unsigned int cpu;
> > + struct od_dbs_tuners *od_tuners;
> > +
> > + if (!have_governor_per_policy()) {
> > + od_tuners = od_dbs_cdata.gdbs_data->tuners;
> > + od_tuners->powersave_bias = powersave_bias;
> > + return;
> > + }
> > +
> > + for_each_online_cpu(cpu) {
> > + struct cpufreq_policy *policy;
> > + struct dbs_data *dbs_data;
> > + policy = per_cpu(od_cpu_dbs_info, cpu).cdbs.cur_policy;
> > + dbs_data = policy->governor_data;
> > + od_tuners = dbs_data->tuners;
> > + od_tuners->powersave_bias = powersave_bias;
> > + }
>
> You can keep only the for_each_online_cpu() loop and remove the other
> one. And in that one also, you don't have to do this for every cpu...
>
> something like this will help you...
>
> cpus_processed = NULL;
>
> for_each_online_cpu(cpu) {
> if cpu-is-present-in cpus_processed
> continue;
>
> cpu-set-mask(cpus_processed, policy->cpus);
>
> }
>
> Syntax is poor, please choose the correct one.

Ah okay, thanks for the hint, here: