linux-kernel - Re: [PATCH 2/2] Revert "kthread: Pin the stack via try_get_task_stack()/put_task_stack() in to_live

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Message-ID: <alpine.DEB.2.20.1610282049000.5053@nanos>
Date:   Fri, 28 Oct 2016 20:49:27 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Oleg Nesterov <oleg@...hat.com>
cc:     Andy Lutomirski <luto@...capital.net>,
        Roman Pen <roman.penyaev@...fitbricks.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, Tejun Heo <tj@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] Revert "kthread: Pin the stack via
 try_get_task_stack()/put_task_stack() in to_live_kthread() function"

On Fri, 28 Oct 2016, Oleg Nesterov wrote:

> This reverts commit 23196f2e5f5d810578a772785807dcdc2b9fdce9.
> 
> After the previous change struct kthread can't go away, no need to pin
> the stack.
> 
> TODO: kill to_live_kthread().

Acked-by: Thomas Gleixner <tglx@...utronix.de>