Re: [PATCH] x86/cpuid: Don't expose {IPRED,RRSBA,BHI}_CTRL to PV guests

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On Tue, Apr 09, 2024 at 03:11:05PM +0100, Andrew Cooper wrote:
> All of these are prediction-mode (i.e. CPL) based.  They don't operate as
> expected in PV context, and need emulating to have the intended behaviour.
> 
> Fixes: 4dd676070684 ("x86/spec-ctrl: Expose IPRED_CTRL to guests")
> Fixes: 478e4787fa64 ("x86/spec-ctrl: Expose RRSBA_CTRL to guests")
> Fixes: 583f1d095052 ("x86/spec-ctrl: Expose BHI_CTRL to guests")
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Acked-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Thanks, Roger.