From 7ebefa8ceefed44cc321be70afc54a585a68ac0b Mon Sep 17 00:00:00 2001
From: Dmitry Adamushko <dmitry.adamushko@gmail.com>
Date: Tue, 1 Jul 2008 23:32:15 +0200
Subject: [PATCH] sched: rework of "prioritize non-migratable tasks over
 migratable ones"

(1) handle in a generic way all cases when a newly woken-up task is
not migratable (not just a corner case when "rt_se->nr_cpus_allowed ==
1")

(2) if current is to be preempted, then make sure "p" will be picked
up by pick_next_task_rt().
i.e. move task's group at the head of its list as well.

currently, it's not a case for the group-scheduling case as described
here: http://www.ussg.iu.edu/hypermail/linux/kernel/0807.0/0134.html

Signed-off-by: Dmitry Adamushko <dmitry.adamushko@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Gregory Haskins <ghaskins@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
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