On 29-01-16, 23:53, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <[email protected]> > > Introduce a mechanism by which parts of the cpufreq subsystem > ("setpolicy" drivers or the core) can register callbacks to be > executed from cpufreq_update_util() which is invoked by the > scheduler's update_load_avg() on CPU utilization changes. > > This allows the "setpolicy" drivers to dispense with their timers > and do all of the computations they need and frequency/voltage > adjustments in the update_load_avg() code path, among other things. > > The scheduler changes were suggested by Peter Zijlstra. > > Signed-off-by: Rafael J. Wysocki <[email protected]> > --- > drivers/cpufreq/cpufreq.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ > include/linux/cpufreq.h | 7 +++++++ > include/linux/sched.h | 2 ++ > kernel/sched/fair.c | 29 ++++++++++++++++++++++++++++- > 4 files changed, 81 insertions(+), 1 deletion(-)
Acked-by: Viresh Kumar <[email protected]> -- viresh
