[PATCH v2 0/1] wait_task_inactive() spend too much time on system startup

[cl]

From: Liang Chen <cl@xxxxxxxxxxxxxx>

Changelog:
v1: wait_task_inactive() frequently call schedule_hrtimeout() and spend a lot of time,
i am trying to optimize it on rockchip platform.
v2: Use atomic_flags(PFA) instead of TIF flag, and add some comments.

Liang Chen (1):
  sched/fair: do not preempt current task if it is going to call
    schedule()

 include/linux/sched.h |  5 +++++
 kernel/kthread.c      |  4 ++++
 kernel/sched/fair.c   | 13 +++++++++++++
 3 files changed, 22 insertions(+)

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2.17.1