linux-kernel - Re: [PATCH 2/2] signal: don't allow STOP on PF_IO

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Message-ID: <20210322161822.GC20390@redhat.com>
Date:   Mon, 22 Mar 2021 17:18:23 +0100
From:   Oleg Nesterov <oleg@...hat.com>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     Jens Axboe <axboe@...nel.dk>, io-uring@...r.kernel.org,
        torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
        Stefan Metzmacher <metze@...ba.org>
Subject: Re: [PATCH 2/2] signal: don't allow STOP on PF_IO_WORKER threads

On 03/20, Eric W. Biederman wrote:
>
> But please tell me why is it not the right thing to have the io_uring
> helper threads stop?  Why is it ok for that process to go on consuming
> cpu resources in a non-stoppable way.

Yes, I have the same question ;)

Oleg.