On Wed, Nov 23, 2016 at 9:13 PM, Jacob Pan <[email protected]> wrote: > Changelog: > v3: - rearrange idle.c change based on Rafael's suggestion. > > v2: > - moved duration timer from powerclamp driver to play_idle() > - unexport cpuidle_use_deepest_state > - indentation fix > > Idle injection drivers today use RT threads to run idle loop. There are > efficiency and accounting issues with the current intel_powerclamp.c > and acpi_pad.c. A while ago, I posted CFS based idle injection patch trying > to address them: > https://lkml.org/lkml/2015/11/13/576 > > Peter proposed another approach with the introduction of a PF_IDLE flag. > This patchset is based on his original posting: > https://lkml.org/lkml/2014/6/4/56 > > These patches apply on top of the kworker and cpu hotplug state machine > changes made to Intel powerclamp driver. > https://lkml.org/lkml/2016/10/17/362 > > Similar changes to ACPI PAD driver is developed along with other > enhancements. It will be posted after this patchset is accepted. > > Jacob Pan (2): > cpuidle: allow setting deepest idle > thermal/powerclamp: stop sched tick in forced idle > > Peter Zijlstra (1): > idle: add support for tasks that inject idle > > drivers/cpuidle/cpuidle.c | 11 +++ > drivers/thermal/intel_powerclamp.c | 35 +------ > include/linux/cpu.h | 2 + > include/linux/cpuidle.h | 4 +- > include/linux/sched.h | 3 +- > kernel/fork.c | 3 + > kernel/sched/core.c | 1 + > kernel/sched/idle.c | 183 > +++++++++++++++++++++++-------------- > 8 files changed, 139 insertions(+), 103 deletions(-)
Any objections anyone? If not, I'll queue up this series for 4.10. Thanks, Rafael
