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

From	Radim Krčmář <rkrcmar@redhat.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 0/6] KVM: x86: cleanup and speedup for APICv
Date	2017-02-08 14:40 +0100
Message-ID	<t8ADv-UD-3@gated-at.bofh.it> (permalink)
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2017-02-08 11:04+0100, Paolo Bonzini:
> On 07/02/2017 22:52, Radim Krčmář 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].

1: http://www.spinics.net/lists/kvm/msg144355.html

Thread

Re: [PATCH v2 0/6] KVM: x86: cleanup and speedup for APICv Paolo Bonzini <pbonzini@redhat.com> - 2017-02-07 18:30 +0100
  Re: [PATCH v2 0/6] KVM: x86: cleanup and speedup for APICv Radim Krčmář <rkrcmar@redhat.com> - 2017-02-07 23:10 +0100
    Re: [PATCH v2 0/6] KVM: x86: cleanup and speedup for APICv Paolo Bonzini <pbonzini@redhat.com> - 2017-02-08 11:40 +0100
      Re: [PATCH v2 0/6] KVM: x86: cleanup and speedup for APICv Radim Krčmář <rkrcmar@redhat.com> - 2017-02-08 14:40 +0100
        Re: [PATCH v2 0/6] KVM: x86: cleanup and speedup for APICv Paolo Bonzini <pbonzini@redhat.com> - 2017-02-08 16:10 +0100

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