cpufreq: interactive: merge interactive code from 4.2.2 nightlies branch.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>

Conflicts:
	drivers/cpufreq/cpufreq_interactive.c
cpufreq: interactive: merge latest interactive commits from FK on mako.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
cpufreq: interactive: grouper is derped as it is since 4.2, so tunning interactive down is not really a nice idea. I'd rather see this device running smoothly as 4.3 didn't help much on that front.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
block: deadline: initial flash storage tweaks.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>

Conflicts:
	block/deadline-iosched.c
deadline: Allow 0ms deadline latency, increase the read speed

Change a timer compare from after to after-equals, thus allowing
0 timeout and making deadline schedule FIFO.

Signed-off-by: xiaobing tu <xiaobing.tu@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
block: deadline: hardcode magic values from the usual suspects.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
block: deadline: fix magic values.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
block: cfq: winning values.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>