Re: [PATCH/RFC] core/nfsd: allow kernel threads to use task_work.

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Subject: Re: [PATCH/RFC] core/nfsd: allow kernel threads to use task_work.
From: Oleg Nesterov <oleg@xxxxxxxxxx>
Date: Tue, 28 Nov 2023 18:29:59 +0100
Cc: NeilBrown <neilb@xxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, Chuck Lever <chuck.lever@xxxxxxxxxx>, Jeff Layton <jlayton@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Juri Lelli <juri.lelli@xxxxxxxxxx>, Vincent Guittot <vincent.guittot@xxxxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-nfs@xxxxxxxxxxxxxxx
In-reply-to: <20231128165945.GD22743@redhat.com>
References: <170112272125.7109.6245462722883333440@noble.neil.brown.name> <20231128-arsch-halbieren-b2a95645de53@brauner> <20231128135258.GB22743@redhat.com> <20231128-elastisch-freuden-f9de91041218@brauner> <20231128165945.GD22743@redhat.com>
User-agent: Mutt/1.5.24 (2015-08-30)

Forgot to menstion,

On 11/28, Oleg Nesterov wrote:
>
> but please
> note irq_thread()->task_work_add(on_exit_work).

and this means that Neil's and your more patch were wrong ;)

Oleg.

Follow-Ups:
- Re: [PATCH/RFC] core/nfsd: allow kernel threads to use task_work.
  - From: Christian Brauner
- Re: [PATCH/RFC] core/nfsd: allow kernel threads to use task_work.
  - From: NeilBrown

References:
- [PATCH/RFC] core/nfsd: allow kernel threads to use task_work.
  - From: NeilBrown
- Re: [PATCH/RFC] core/nfsd: allow kernel threads to use task_work.
  - From: Christian Brauner
- Re: [PATCH/RFC] core/nfsd: allow kernel threads to use task_work.
  - From: Oleg Nesterov
- Re: [PATCH/RFC] core/nfsd: allow kernel threads to use task_work.
  - From: Christian Brauner
- Re: [PATCH/RFC] core/nfsd: allow kernel threads to use task_work.
  - From: Oleg Nesterov

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