Re: [RFC] KVM: x86: SVM: don't expose PV_SEND_IPI feature with AVIC

From: Paolo Bonzini
Date: Mon Nov 08 2021 - 06:20:06 EST


On 11/8/21 12:14, zhenwei pi wrote:
I don't yet know if there is a solution to this which doesn't
involve some management software decision (e.g libvirt or higher).

If we use a new hint, there's no problems with migration from/to older QEMU and libvirt's host-model/host-passthrough would pick up the bit automatically.

(I'm not sure if libvirt knows that hints can change across migration, though).

Paolo