Re: [PATCH v8 2/8] KVM: x86: Deflect unknown MSR accesses to user space

From: Aaron Lewis
Date: Mon Sep 28 2020 - 12:06:14 EST


>
> This patch adds a generic interface to handle WRMSR and RDMSR from user
> space. With this, any future MSR that is part of the latter categories can
> be handled in user space.
>
> Furthermore, it allows us to replace the existing "ignore_msrs" logic with
> something that applies per-VM rather than on the full system. That way you
> can run productive VMs in parallel to experimental ones where you don't care
> about proper MSR handling.
>
> Signed-off-by: Alexander Graf <graf@xxxxxxxxxx>
> Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>

Reviewed-by: Aaron Lewis <aaronlewis@xxxxxxxxxx>

>
> ---
>
> v1 -> v2: