From: Oleg Nesterov <[email protected]>
To: Jens Axboe <[email protected]>
Cc: [email protected], [email protected],
[email protected], [email protected],
Stefan Metzmacher <[email protected]>
Subject: Re: [PATCH 2/2] signal: don't allow STOP on PF_IO_WORKER threads
Date: Mon, 22 Mar 2021 17:15:29 +0100 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 03/20, Jens Axboe wrote:
>
> --- a/kernel/signal.c
> +++ b/kernel/signal.c
> @@ -2349,6 +2349,10 @@ static bool do_signal_stop(int signr)
>
> t = current;
> while_each_thread(current, t) {
> + /* don't STOP PF_IO_WORKER threads */
> + if (t->flags & PF_IO_WORKER)
> + continue;
> +
This is not enough. At least task_join_group_stop() should check
PF_IO_WORKER too.
Oleg.
next prev parent reply other threads:[~2021-03-22 16:16 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-20 15:38 [PATCHSET 0/2] PF_IO_WORKER signal tweaks Jens Axboe
2021-03-20 15:38 ` [PATCH 1/2] signal: don't allow sending any signals to PF_IO_WORKER threads Jens Axboe
2021-03-20 16:18 ` Eric W. Biederman
2021-03-20 17:56 ` Linus Torvalds
2021-03-20 21:38 ` Eric W. Biederman
2021-03-20 22:42 ` Jens Axboe
2021-03-21 14:54 ` Eric W. Biederman
2021-03-21 15:40 ` Jens Axboe
2021-03-20 15:38 ` [PATCH 2/2] signal: don't allow STOP on " Jens Axboe
2021-03-20 16:21 ` Eric W. Biederman
2021-03-22 16:18 ` Oleg Nesterov
2021-03-22 16:15 ` Oleg Nesterov [this message]
2021-03-20 16:26 ` [PATCHSET 0/2] PF_IO_WORKER signal tweaks Eric W. Biederman
2021-03-20 17:51 ` Linus Torvalds
2021-03-20 19:18 ` Linus Torvalds
2021-03-20 22:08 ` Eric W. Biederman
2021-03-20 22:53 ` Jens Axboe
2021-03-21 15:18 ` Eric W. Biederman
2021-03-21 15:42 ` Jens Axboe
2021-03-20 22:56 ` Jens Axboe
2021-03-20 17:05 ` kernel test robot
2021-03-20 17:05 ` kernel test robot
2021-03-20 19:10 ` kernel test robot
2021-03-22 16:05 ` Oleg Nesterov
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