public inbox for [email protected]
 help / color / mirror / Atom feed
From: Jens Axboe <[email protected]>
To: [email protected]
Cc: [email protected], [email protected],
	[email protected], [email protected], [email protected],
	Jens Axboe <[email protected]>
Subject: [PATCH 2/8] kernel: unmask SIGSTOP for IO threads
Date: Thu, 25 Mar 2021 18:39:25 -0600	[thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

With IO threads accepting signals, including SIGSTOP, unmask the
SIGSTOP signal from the default blocked mask.

Signed-off-by: Jens Axboe <[email protected]>
---
 kernel/fork.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index d3171e8e88e5..d5a40552910f 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -2435,7 +2435,7 @@ struct task_struct *create_io_thread(int (*fn)(void *), void *arg, int node)
 	tsk = copy_process(NULL, 0, node, &args);
 	if (!IS_ERR(tsk)) {
 		sigfillset(&tsk->blocked);
-		sigdelsetmask(&tsk->blocked, sigmask(SIGKILL));
+		sigdelsetmask(&tsk->blocked, sigmask(SIGKILL)|sigmask(SIGSTOP));
 	}
 	return tsk;
 }
-- 
2.31.0


  parent reply	other threads:[~2021-03-26  0:41 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-26  0:39 [PATCH 0/6] Allow signals for IO threads Jens Axboe
2021-03-26  0:39 ` [PATCH 1/8] io_uring: handle signals for IO threads like a normal thread Jens Axboe
2021-03-26  0:39 ` Jens Axboe [this message]
2021-03-26 13:48   ` [PATCH 2/8] kernel: unmask SIGSTOP for IO threads Oleg Nesterov
2021-03-26 15:01     ` Jens Axboe
2021-03-26 15:23       ` Stefan Metzmacher
2021-03-26 15:29         ` Jens Axboe
2021-03-26 18:01           ` Stefan Metzmacher
2021-03-26 18:59             ` Jens Axboe
2021-04-01 14:53             ` Stefan Metzmacher
2021-03-26  0:39 ` [PATCH 3/8] Revert "signal: don't allow sending any signals to PF_IO_WORKER threads" Jens Axboe
2021-03-26  0:39 ` [PATCH 4/8] Revert "kernel: treat PF_IO_WORKER like PF_KTHREAD for ptrace/signals" Jens Axboe
2021-03-26  0:39 ` [PATCH 5/8] Revert "kernel: freezer should treat PF_IO_WORKER like PF_KTHREAD for freezing" Jens Axboe
2021-03-26  0:39 ` [PATCH 6/8] Revert "signal: don't allow STOP on PF_IO_WORKER threads" Jens Axboe
     [not found] ` <[email protected]>
2021-03-26 12:56   ` [PATCH 0/6] Allow signals for IO threads Jens Axboe
2021-03-26 13:31     ` Stefan Metzmacher
2021-03-26 13:54       ` Jens Axboe
2021-03-26 13:59         ` Jens Axboe
2021-03-26 14:38           ` Jens Axboe
2021-03-26 14:43             ` Stefan Metzmacher
2021-03-26 14:45               ` Stefan Metzmacher
2021-03-26 14:53                 ` Jens Axboe
2021-03-26 14:55                   ` Jens Axboe
2021-03-26 15:08                     ` Stefan Metzmacher
2021-03-26 15:10                       ` Jens Axboe
2021-03-26 15:11                         ` Stefan Metzmacher
2021-03-26 15:12                           ` Jens Axboe
2021-03-26 15:04                   ` Stefan Metzmacher
2021-03-26 15:09                     ` Jens Axboe
2021-03-26 14:50               ` Jens Axboe
2021-03-27  1:46       ` Stefan Metzmacher
2021-03-27 16:41         ` Jens Axboe
2021-04-01 14:58         ` Stefan Metzmacher
2021-04-01 15:39           ` Linus Torvalds
2021-04-01 16:00             ` Stefan Metzmacher
2021-04-01 16:24               ` Linus Torvalds
2021-04-03  0:48                 ` Stefan Metzmacher

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    [email protected] \
    [email protected] \
    [email protected] \
    [email protected] \
    [email protected] \
    [email protected] \
    [email protected] \
    [email protected] \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox