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From:   Jens Axboe <axboe@kernel.dk>
To:     io-uring@vger.kernel.org
Cc:     torvalds@linux-foundation.org, ebiederm@xmission.com,
        metze@samba.org, oleg@redhat.com, linux-kernel@vger.kernel.org,
        Jens Axboe <axboe@kernel.dk>
Subject: [PATCH 7/7] Revert "signal: don't allow STOP on PF_IO_WORKER threads"
Date:   Fri, 26 Mar 2021 09:51:24 -0600
Message-Id: <20210326155128.1057078-12-axboe@kernel.dk>
In-Reply-To: <20210326155128.1057078-1-axboe@kernel.dk>
References: <20210326155128.1057078-1-axboe@kernel.dk>
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This reverts commit 4db4b1a0d1779dc159f7b87feb97030ec0b12597.

The IO threads allow and handle SIGSTOP now, so don't special case them
anymore in task_set_jobctl_pending().

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 kernel/signal.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index 76d85830d4fa..5b75fbe3d2d6 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -288,8 +288,7 @@ bool task_set_jobctl_pending(struct task_struct *task, unsigned long mask)
 			JOBCTL_STOP_SIGMASK | JOBCTL_TRAPPING));
 	BUG_ON((mask & JOBCTL_TRAPPING) && !(mask & JOBCTL_PENDING_MASK));
 
-	if (unlikely(fatal_signal_pending(task) ||
-		     (task->flags & (PF_EXITING | PF_IO_WORKER))))
+	if (unlikely(fatal_signal_pending(task) || (task->flags & PF_EXITING)))
 		return false;
 
 	if (mask & JOBCTL_STOP_SIGMASK)
-- 
2.31.0