[RESEND PATCH v5 2/2] sched/deadline: Set cp->elements[0].cpu to -1 when the heap is empty

[Byungchul Park]

Hello Steven and Daniel,

I've changed the 2nd patch a little bit to consider cpudl_clear()
additionally. Can I keep your Acked-by on?

(I temporarily removed the Acked-by you gave me.)

Acked-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
Acked-by: Daniel Bristot de Oliveira <bristot@xxxxxxxxxx>

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