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Revert "signal: don't allow STOP on PF_IO_WORKER threads"

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This reverts commit 4db4b1a0d1.

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>
This commit is contained in:
Jens Axboe 2021-03-25 18:23:44 -06:00
parent d3dc04cd81
commit 1e4cf0d3d0
1 changed files with 1 additions and 2 deletions
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3
kernel/signal.c
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@ -288,8 +288,7 @@ bool task_set_jobctl_pending(struct task_struct *task, unsigned long mask)
JOBCTL_STOP_SIGMASK | JOBCTL_TRAPPING)); JOBCTL_STOP_SIGMASK | JOBCTL_TRAPPING));
BUG_ON((mask & JOBCTL_TRAPPING) && !(mask & JOBCTL_PENDING_MASK)); BUG_ON((mask & JOBCTL_TRAPPING) && !(mask & JOBCTL_PENDING_MASK));
if (unlikely(fatal_signal_pending(task) || if (unlikely(fatal_signal_pending(task) || (task->flags & PF_EXITING)))
(task->flags & (PF_EXITING | PF_IO_WORKER))))
return false; return false;
if (mask & JOBCTL_STOP_SIGMASK) if (mask & JOBCTL_STOP_SIGMASK)