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

From: Christian Brauner
Date: Wed Nov 29 2023 - 06:38:44 EST


On Tue, Nov 28, 2023 at 06:29:59PM +0100, Oleg Nesterov wrote:
> 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 ;)

Hm, that's all the more reason to not hang this off of PF_KTHREAD then.
I mean, it's functional but we likely wouldn't have run into this
confusion if this would be PF_FPUT_DELAYED, for example.