From: Peter Zijlstra <peterz@infradead.org>
Date: Mon, 27 Jan 2014 10:54:13 +0000 (+0100)
Subject: sched: Make sched_class::get_rr_interval() optional
X-Git-Tag: v3.14-rc1~23^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a57beec5d427086cdc8d75fd51164577193fa7f4;p=pandora-kernel.git

sched: Make sched_class::get_rr_interval() optional

Not all classes implement (or can implement) a useful get_rr_interval()
function, default to a 0 time-slice for them.

This fixes a crash reported by Tommi Rantala.

Reported-by: Tommi Rantala <tt.rantala@gmail.com>
Cc: Dave Jones <davej@redhat.com>
Cc: Tommi Rantala <tt.rantala@gmail.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20140127105413.GC11314@laptop.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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