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

This reverts commit 5be28c8f85.

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 <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2021-03-25 18:18:15 -06:00
parent b16b3855d8
commit 5a842a7448

View File

@ -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;