> @@ -1090,13 +1063,8 @@ void posix_cpu_timer_schedule(struct k_itimer *timer)
> timer->it.cpu.expires = 0;
> goto out_unlock;
> } else if (unlikely(p->exit_state) && thread_group_empty(p)) {
> - /*
> - * We've noticed that the thread is dead, but
> - * not yet reaped. Take this opportunity to
> - * drop our task ref.
> - */
> + /* Optimizations: if the process is dying, no need to
> rearm */
> cpu_timer_sample_group(timer->it_clock, p, &now);
Why do we still need to call cpu_timer_sample_group? You removed to below line
which uses
"now".
> - clear_dead_task(timer, now);
> goto out_unlock;
> }
> spin_lock(&p->sighand->siglock);
>
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