Revert " sched: Improve scalability via 'CPU buddies', which withstand random perturbations"

This reverts commit 83caaed0adc99a9b3c448c4ab529b741f8d6781e.
sched: Fix select_idle_sibling() bouncing cow syndrome If the previous CPU is cache affine and idle, select it. The current implementation simply traverses the sd_llc domain, taking the first idle CPU encountered, which walks buddy pairs hand in hand over the package, inflicting excruciating pain.

1 tbench pair (worst case) in a 10 core + SMT package:

  pre   15.22 MB/sec 1 procs
  post 252.01 MB/sec 1 procs

Signed-off-by: Mike Galbraith <bitbucket@online.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1359371965.5783.127.camel@marge.simpson.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>

Conflicts:
	kernel/sched/fair.c

Change-Id: I4ca60be0d759d4881fad55be78d9f075aea50121
Revert "cpufreq: ondemand: 3.11.y kernel tweak"

This reverts commit e126f4a2d540056ca340b65ee4760db7209c0e26.
remove more debug
cpufreq: match aosp
v1.8.1
Merge branch '1.8' into 1.8_MF5