Andy Lutomirski <[email protected]> writes: > All this being said, do we currently have any system that supports > PCID *and* remote flushes? I guess KVM has some mechanism, but I'm > not that familiar with its exact capabilities. If I remember right, > Hyper-V doesn't expose PCID yet. >
It already does (and support it to certain extent), see commit 617ab45c9a8900e64a78b43696c02598b8cad68b Author: Vitaly Kuznetsov <[email protected]> Date: Wed Jan 24 11:36:29 2018 +0100 x86/hyperv: Stop suppressing X86_FEATURE_PCID -- Vitaly

