This reverts commit 5be28c8f85ce99ed2d329d2ad8bdd18ea19473a5.

IO threads now take signals just fine, so there's no reason to limit them
specifically. Revert the change that prevented that from happening.

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

diff --git a/kernel/signal.c b/kernel/signal.c
index e3e1b8fbfe8a..af890479921a 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -834,9 +834,6 @@ static int check_kill_permission(int sig, struct 
kernel_siginfo *info,
 
        if (!valid_signal(sig))
                return -EINVAL;
-       /* PF_IO_WORKER threads don't take any signals */
-       if (t->flags & PF_IO_WORKER)
-               return -ESRCH;
 
        if (!si_fromuser(info))
                return 0;
-- 
2.31.0

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