sched: Cleanup pre_schedule_rt

From: Yong Zhang <yong.zhang0@gmail.com>
Date: Tue, 9 Feb 2010 19:43:59 +0000 (-0500)
Subject: sched: Cleanup pre_schedule_rt
X-Git-Tag: v3.1-rc1~298^2~19^2~3
X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux-2.6.git;a=commitdiff_plain;h=33c3d6c61debcc0d295fe65521cfbc45409936c7

Since [commit 9a897c5a:
sched: RT-balance, replace hooks with pre/post schedule and wakeup methods]
we must call pre_schedule_rt if prev is rt task.
So condition rt_task(prev) is always true and the 'unlikely' declaration is
simply incorrect.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>