On Thursday, March 09, 2017 05:15:11 PM Viresh Kumar wrote: > From: Steve Muckle <[email protected]> > > Upcoming support for scheduler cpufreq callbacks on remote wakeups > will require the client to know what the target CPU is that the > callback is being invoked for. Add this information into the callback > data structure. > > Signed-off-by: Steve Muckle <[email protected]> > Signed-off-by: Viresh Kumar <[email protected]> > --- > include/linux/sched/cpufreq.h | 1 + > kernel/sched/cpufreq.c | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/include/linux/sched/cpufreq.h b/include/linux/sched/cpufreq.h > index d2be2ccbb372..f798f63d93e8 100644 > --- a/include/linux/sched/cpufreq.h > +++ b/include/linux/sched/cpufreq.h > @@ -16,6 +16,7 @@ > #ifdef CONFIG_CPU_FREQ > struct update_util_data { > void (*func)(struct update_util_data *data, u64 time, unsigned int > flags); > + int cpu;
unsigned int? > }; > > void cpufreq_add_update_util_hook(int cpu, struct update_util_data *data, > diff --git a/kernel/sched/cpufreq.c b/kernel/sched/cpufreq.c > index dbc51442ecbc..ee4c596b71b4 100644 > --- a/kernel/sched/cpufreq.c > +++ b/kernel/sched/cpufreq.c > @@ -42,6 +42,7 @@ void cpufreq_add_update_util_hook(int cpu, struct > update_util_data *data, > return; > > data->func = func; > + data->cpu = cpu; But I'm not convinced that this helps at all. > rcu_assign_pointer(per_cpu(cpufreq_update_util_data, cpu), data); > } > EXPORT_SYMBOL_GPL(cpufreq_add_update_util_hook); > Thanks, Rafael
