[PATCH 2/8] kernel: unmask SIGSTOP for IO threads

[Jens Axboe <axboe@xxxxxxxxx>]

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

Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
 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