Messages in this thread | | | Date | Wed, 07 May 2014 13:40:01 +0200 | From | Paolo Bonzini <> | Subject | Re: KVM Nested L2 guest startup problems |
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Il 07/05/2014 13:37, Paolo Bonzini ha scritto: > Il 07/05/2014 13:16, Abel Gordon ha scritto: >>> > PLE should be left enabled, I think. >> Well... the PLE settings L0 uses to run L1 (vmcs01) may be different >> than the PLE settings L1 configured to run L2 (vmcs12). >> For example, L0 can use a ple_gap to run L1 that is bigger than the >> ple_gap L1 configured to run L2. Or L0 can use a ple_window to run L1 >> that is smaller than the ple_window L1 configured to run L2. > > That's correct. We should leave PLE enabled while running L2, but hide > the feature altogether from L1.
... which we already do. The only secondary execution controls we allow are APIC page, unrestricted guest, WBINVD exits, and of course EPT.
Paolo
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