linux-kernel - Re: [PATCH 3/3] kthread: Stop abusing TASK

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Message-ID: <CAHk-=wgNxL17-bsKM8qcrK+mGSpgeBVkWu00pQgnypOOgqTF9Q@mail.gmail.com>
Date:   Sun, 26 Jun 2022 13:55:30 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Tejun Heo <tj@...nel.org>
Cc:     "Eric W. Biederman" <ebiederm@...ssion.com>,
        Christian Brauner <brauner@...nel.org>,
        Petr Mladek <pmladek@...e.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Michal Hocko <mhocko@...e.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Oleg Nesterov <oleg@...hat.com>
Subject: Re: [PATCH 3/3] kthread: Stop abusing TASK_UNINTERRUPTIBLE (INCOMPLETE)

On Sun, Jun 26, 2022 at 1:23 PM Tejun Heo <tj@...nel.org> wrote:
>
> Would it be a reasonable tradeoff to have a kthread wrapper -
> kthread_start() or whatever - which ensures that it is actually called
> once on a new task? That way, we can keep the init code inline and
> bugs on both sides (not starting and starting incorrectly) are
> obvious.

Yeah, that sounds reasonable to me.

                Linus