Pull scheduler fix from Ingo Molnar:
"This is a revert for a lockup in cgroups-intense workloads - the real
fixes will come later"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Fix infinite loop in update_blocked_averages() by reverting a9e7f6544b9c