| Message ID | 529d5f2d865f5982f7e0d4a7a44176e81f50ffc5.1489058244.git.viresh.kumar@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | cpufreq: schedutil: Allow remote wakeups | expand |
On Thursday, March 09, 2017 05:15:11 PM Viresh Kumar wrote: > From: Steve Muckle <smuckle.linux@gmail.com> > > 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 <smuckle.linux@gmail.com> > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> > --- > 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
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; }; 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; rcu_assign_pointer(per_cpu(cpufreq_update_util_data, cpu), data); } EXPORT_SYMBOL_GPL(cpufreq_add_update_util_hook);