O3 fix
revert
Revert "revert"

This reverts commit 75f867b944290533dcf4f8c17c37a8d2ff199fc0.
glibc memcpy and stringcpy
cpufreq intellidemand
 arm/crypto: Add optimized AES and SHA1 routines
ARM RWSEM algorithm
test decrease time to enter sleep
boost io performance
Revert "ARM RWSEM algorithm"

This reverts commit 7fb2497db6d029d03b8ad0458ff59b5068863ae8.
increase l2 and fsb