linux-kernel - Re: [PATCH] sched/deadline: No need to check NULL later

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Date:	Fri, 1 Apr 2016 13:29:19 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Xunlei Pang <xlpang@...hat.com>
Cc:	linux-kernel@...r.kernel.org, Juri Lelli <juri.lelli@....com>,
	Ingo Molnar <mingo@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH] sched/deadline: No need to check NULL later_mask

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?