Messages in this thread | | | Date | Thu, 1 Sep 2022 13:29:20 +0000 | From | Sean Christopherson <> | Subject | Re: [PATCH 03/19] Revert "KVM: SVM: Introduce hybrid-AVIC mode" |
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On Thu, Sep 01, 2022, Maxim Levitsky wrote: > On Wed, 2022-08-31 at 19:12 +0000, Sean Christopherson wrote: > > On Wed, Aug 31, 2022, Maxim Levitsky wrote: > > > If you are really hell bent on not having that MMIO exposed, then I say we > > > can just disable the AVIC memslot, and keep AVIC enabled in this case - this > > > should make us both happy. > > > > I don't think that will work though, as I don't think it's possible to tell hardware > > not to accelerate AVIC accesses. I.e. KVM can squash the unaccelerated traps, but > > anything that is handled by hardware will still go through. > > Nope! Remember why do we have that APIC private memslot?
Heh, I finally understood what you were suggesting two minutes after I woke up this morning. Apparently I needed to sleep on it?
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