Re: [PATCH 0/6] KVM: nVMX: Fix IPIv vs. nested posted interrupts

[Chao Gao]

On Fri, Jul 19, 2024 at 05:01:32PM -0700, Sean Christopherson wrote:
>Fix a bug where KVM injects L2's nested posted interrupt into L1 as a
>nested VM-Exit instead of triggering PI processing.  The actual bug is
>technically a generic nested posted interrupts problem, but due to the
>way that KVM handles interrupt delivery, I'm 99.9% certain the issue is
>limited to IPI virtualization being enabled.

Theoretically VT-d posted interrupt can also trigger this issue.

The fix looks good to me. For the whole series:

Reviewed-by: Chao Gao <chao.gao@xxxxxxxxx>