From: Peter Zijlstra <peterz@infradead.org>
To: Li Yueyi <liyueyi@live.com>
Cc: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
liyueyi <liyueyi@xiaomi.com>
Subject: Re: [PATCH] kthread: set kthread state to TASK_IDLE.
Date: Wed, 1 Apr 2020 13:12:17 +0200 [thread overview]
Message-ID: <20200401111217.GC20713@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <DM6PR11MB3531904888FBD86F4ED43009DFC90@DM6PR11MB3531.namprd11.prod.outlook.com>
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!
next prev parent reply other threads:[~2020-04-01 11:12 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-01 6:52 [PATCH] kthread: set kthread state to TASK_IDLE liyueyi
2020-04-01 9:39 ` Peter Zijlstra
[not found] ` <DM6PR11MB3531904888FBD86F4ED43009DFC90@DM6PR11MB3531.namprd11.prod.outlook.com>
2020-04-01 11:12 ` Peter Zijlstra [this message]
2020-04-01 12:27 ` Yueyi Li
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