Re: [PATCH v4 12/15] KVM: SVM: Introduce hybrid-AVIC mode

[Suthikulpanit, Suravee]

Maxim / Paolo,

On 5/8/2022 9:39 AM, Suravee Suthikulpanit wrote:
> Currently, AVIC is inhibited when booting a VM w/ x2APIC support.
> because AVIC cannot virtualize x2APIC MSR register accesses.
> However, the AVIC doorbell can be used to accelerate interrupt
> injection into a running vCPU, while all guest accesses to x2APIC MSRs
> will be intercepted and emulated by KVM.
>
> With hybrid-AVIC support, the APICV_INHIBIT_REASON_X2APIC is
> no longer enforced.
>
> Suggested-by: Maxim Levitsky<mlevitsk@xxxxxxxxxx>
> Reviewed-by: Maxim Levitsky<mlevisk@xxxxxxxxxx>

Sorry for a typo here in the email of the "Reviewed-by" line.

Suravee