Re: [PATCH] sched/deadline: No need to check NULL later_mask

From: Peter Zijlstra
Date: Fri Apr 01 2016 - 07:29:30 EST


On Fri, Apr 01, 2016 at 07:13:18PM +0800, Xunlei Pang wrote:
> Unlike rt tasks, we (should) have no deadline tasks in
> booting phase before the mask is allocated, so we can
> safely remove the check.

Why? And have the kernel explode once it grows an early deadline task?

Is there _any_ benefit to this?