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