Re: Avoid speculative indirect calls in kernel

From: Dave Hansen
Date: Thu Jan 04 2018 - 12:13:09 EST


On 01/04/2018 08:25 AM, Andrea Arcangeli wrote:
> It's only where SPEC_CTRL is missing and only IBPB_SUPPORT is
> available, that ibrs 0 ibpb 2 is the only option to fix variant#2 for
> good.

Could you help us decode what "ibrs 0 ibpb 2" means to you?