[PATCH Resend 0/3] sched: fix nr_busy_cpus

2012-12-03 Thread Vincent Guittot
The nr_busy_cpus field of the sched_group_power is sometime different from 0 whereas the platform is fully idle. This serie fixes 3 use cases: - when the SCHED softirq is raised on an idle core for idle load balance but the platform doesn't go out of the cpuidle state - when some CPUs enter

[PATCH Resend 0/3] sched: fix nr_busy_cpus

2012-12-03 Thread Vincent Guittot
The nr_busy_cpus field of the sched_group_power is sometime different from 0 whereas the platform is fully idle. This serie fixes 3 use cases: - when the SCHED softirq is raised on an idle core for idle load balance but the platform doesn't go out of the cpuidle state - when some CPUs enter