Expose AutoIBRS to HVM guests. EFER is swapped by VMRUN, so Xen only has to
make sure writes to EFER.AIBRSE are gated on the feature being exposed.
Also hide EFER.AIBRSE from PV guests as they have no say in the matter.
Signed-off-by: Alejandro Vallejo
Reviewed-by: Andrew Cooper
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v2:
* Mov
On 30/05/2023 2:58 pm, Alejandro Vallejo wrote:
> Expose AutoIBRS to HVM guests. EFER is swapped by VMRUN, so Xen only has to
> make sure writes to EFER.AIBRSE are gated on the feature being exposed.
>
> Also hide EFER.AIBRSE from PV guests as they have no say in the matter.
>
> Signed-off-by: Alej
On Tue, May 30, 2023 at 06:31:03PM +0100, Andrew Cooper wrote:
> I've committed this, but made two tweaks to the commit message. First,
> "x86/hvm" in the subject because it's important context at a glance.
Sure, that makes sense.
> Second, I've adjusted the bit about PV guests. The reason why w
On 31/05/2023 10:01 am, Alejandro Vallejo wrote:
> On Tue, May 30, 2023 at 06:31:03PM +0100, Andrew Cooper wrote:
>> I've committed this, but made two tweaks to the commit message. First,
>> "x86/hvm" in the subject because it's important context at a glance.
> Sure, that makes sense.
>
>> Second,
