RE: [patch RFC 5/5] x86/speculation: Add basic speculation control code

[Van De Ven, Arjan]

> ibrs_enabled 2:
> 
> sets IBRS always in host

this is not secure

> This matches the semantics described here by Tim patchset on lkml:
> 
> https://marc.info/?l=linux-kernel&m=151520606320646

I will talk to Tim, it's not right.


 
> I can tell in practice it works as I described in all microcodes
> I tested.

have you tested all 80 ?