Re: [PATCH] x86/bugs: Switch to "auto" when "ibrs" selected on Enhanced IBRS parts

[Peter Zijlstra]

On Thu, Jul 14, 2022 at 09:01:06AM -0700, Josh Poimboeuf wrote:

> > Yeah this; if the user asks for IBRS, we should give him IBRS. I hate
> > the 'I know better, let me change that for you' mentality.
> 
> eIBRS CPUs don't even have legacy IBRS so I don't see how this is even
> possible.

You can still WRMSR a lot on them. Might not make sense but it 'works'.