commit 013a1a996b35c919b2e79f9f182ba48b56cf4969
author johnny1_lin <johnny1_lin@asus.com> Wed May 30 17:22:35 2012 -0700
committer Android Partner Code Review <android-gerrit-partner@google.com> Wed May 30 21:42:19 2012 -0700
tree 1832ea769c3843ad7035bcde5beee6c06d4293da
parent a952d28732b88012578a86534bff0ac656fbda41

Picked change from NVIDIA "sched: unthrottle rt_rq in migrate_tasks()"

    commit 7f10efbbe4922d7bb3bb7b3456d0d03f871ef923
    Author: Peter Boonstoppel <pboonstoppel@nvidia.com>
    Date:   Thu May 17 15:15:43 2012 -0700

        sched: unthrottle rt_rq in migrate_tasks()

        migrate_tasks() uses _pick_next_task_rt() to get tasks from the
        real-time runqueue to be migrated. When rt_rq is throttled
        _pick_next_task_rt() won't return anything, in which case
        migrate_tasks() can't move all threads over and gets stuck in an
        infinite loop.

        Instead unthrottle rt_rq before migrating tasks.

        Bug 976709

Change-Id: I5714c18781a2cc2e4aac123e6e5ab3b8e099eac1