Sukadev Bhattiprolu wrote:
> @@ -1237,26 +1237,24 @@ static struct task_struct *copy_process(
> }
> }
>
> - if (likely(p->pid)) {
> - add_parent(p);
> - tracehook_init_task(p);
> -
> - if (thread_group_leader(p)) {
> - pid_t pgid = process_group(current);
> - pid_t sid = process_session(current);
> -
> - p->signal->tty = current->signal->tty;
> - p->signal->pgrp = pgid;
> - set_signal_session(p->signal, process_session(current));
> - attach_pid(p, PIDTYPE_PGID, find_pid(pgid));
> - attach_pid(p, PIDTYPE_SID, find_pid(sid));
> + add_parent(p);
This means that idle threads (except "swapper") are visible to for_each_process()
and do_each_thread(). Looks dangerous and somewhat strange to me.
Could you explain this change?
Oleg.
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