Default [Q] Kernel Development

Hello, i got the Active about a week ago, reverting from an HTC Desire Z. So basically I would like to know how far has Kernel development gone so far. Are we able to make our own kernels with UV, OC mods etc?
Device: Xperia SP
Kernel: Stock CWM Enabled
Rom: SPartan v1.0
And the Lord said unto John, "Come forth and receive eternal life."
But John came fifth and won a toaster.

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