Re: [PATCH v2] KVM: nVMX: Fix nested bus lock VM exit

From: Sean Christopherson
Date: Mon Sep 20 2021 - 10:52:53 EST


On Tue, Sep 14, 2021, Chenyi Qiang wrote:
> Nested bus lock VM exits are not supported yet. If L2 triggers bus lock
> VM exit, it will be directed to L1 VMM, which would cause unexpected
> behavior. Therefore, handle L2's bus lock VM exits in L0 directly.
>
> Fixes: fe6b6bc802b4 ("KVM: VMX: Enable bus lock VM exit")

Cc: stable@xxxxxxxxxxxxxxx

> Signed-off-by: Chenyi Qiang <chenyi.qiang@xxxxxxxxx>
>
> ---

Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>