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

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Date:   Mon, 27 Jun 2022 17:11:36 +0900
From:   Tejun Heo <tj@...nel.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        "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>,
        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 Mon, Jun 27, 2022 at 09:22:37AM +0200, Peter Zijlstra wrote:
> Yes, I so wish C had reasonable lambda expressions :/ But even if we
> could come up with a semi sensible syntax and implementation, it would
> still be many *many* years before we could actually use it in-kernel :-(

Yeah, I have a hard time imagining this happening in C but maybe we'll
get pretty good closure support through rust-in-kernel if that works
out. That'd be pretty sweet even though we might not be able to use it
everywhere.

Thanks.

-- 
tejun