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Subject: [PATCH v3 0/1] wait_task_inactive() spend too much time on system startup
Date:   Fri,  6 Mar 2020 15:01:32 +0800
Message-Id: <20200306070133.18335-1-cl@rock-chips.com>
Sender: linux-kernel-owner@vger.kernel.org
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From: Liang Chen <cl@rock-chips.com>

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.
v3: Use a new method fix this issue to make the code simple.

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

 kernel/kthread.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

-- 
2.17.1