Re: [PATCH v8 04/12] x86/spectre: Add boot time option to select Spectre v2 mitigation

[Andi Kleen]

> Thanks for pointing this out, Andi. I've been just now writing more or 
> less the same thing; ditching that and will reuse your patch instead.
> 
> Why was the more aggresive version (6cfb521ac0d5b) merged into Linus' tree 
> instead of that?

Greg prefered using modversions, and in the end simplicity won 
out for 4.15

-Andi