Re: [PATCH v4 0/3] svm: avic: Allow AVIC support on system w/ physical APIC ID > 255

From: Sean Christopherson
Date: Wed Feb 02 2022 - 10:58:45 EST


On Tue, Feb 01, 2022, Suravee Suthikulpanit wrote:
> Originally, AMD SVM AVIC supports 8-bit host physical APIC ID.
> However, newer AMD systems can have physical APIC ID larger than 255,
> and AVIC hardware has been extended to support upto 12-bit host
> physical APIC ID.
>
> This series introduces a helper function in the APIC subsystem to get
> the maximum physical APIC ID allowing the SVM AVIC driver to calculate
> the proper size to program the host physical APIC ID in the AVIC
> physical APIC ID table entry.

NAK to this version. Please wait until discussion on the previous versions comes
to a stop. If a reviewer is non-responsive then that's one thing, but we were
literally just discussing this yesterday.