Re: [PATCH] kthread: set kthread state to TASK_IDLE.

From: Peter Zijlstra
Date: Wed Apr 01 2020 - 07:12:26 EST



A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?

On Wed, Apr 01, 2020 at 10:40:28AM +0000, Li Yueyi wrote:
> I create a kthread to do some work will trigger system restart, i don`t wake it up immediately but wakeup it in a HW irq handler.
> So this kthread sleeps in TASK_UNINTERRUPTIBLE state until the HW irq coming up.
>
> Did i do something wrong?
> Should i wake it up immediately and then call wait_event_xxxx function to sleep it?

This!