Revert "signal: don't allow sending any signals to PF_IO_WORKER threads"

This reverts commit 5be28c8. 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 <[email protected]>
niw · Mar 27, 2021 · 5a842a7 · 5a842a7
1 parent b16b385
commit 5a842a7
Showing 1 changed file with 0 additions and 3 deletions.
diff --git 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;