Re: [PATCH v2 0/6] KVM: x86: cleanup and speedup for APICv

From: Radim KrÄmÃÅ
Date: Wed Feb 08 2017 - 08:34:48 EST

2017-02-08 11:04+0100, Paolo Bonzini:
> On 07/02/2017 22:52, Radim KrÄmÃÅ wrote:
>> there might be some rough
>> edges with nested, but it was broken even before, and they fix at least
>> one known bug.
> I don't think so, nested IRQ injection is tested very well. Why do you
> say it was broken even before?

I was basing on recent bug report where we missed IOMMU injection in a
non-nested case [1]. While we do cover the non-nested case with this
series, I think we still miss posted interrupts from IOMMU that should
trigger a nested VM exit from L2 to L1 -- details in review of [6/6].