What`s the difference between COLOR OS kernel and ordinary kernel?

When I use color os kernel ,it works good(COLOR OS 2.1).But if use a ak-kernel instead of the color os kernel in boot.img and reflash the new boot.img,my oneplus boots in a loop.What is the difference between the color os kernel and ak-kernel? Who knows the problem?

[Hot japan game]TapTapKing - Just for ordinary people, not for genius!

Advanced level music students cannot download
IQ higher than 180 cannot play
Just for ordinary people, not for genius!
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A long time ago, there was a king addicted to music.
He loved to give some rhythm test to his dear citizen.
The one who could pass his test would get a big prize!
So, can you also pass the test?
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