[PATCH v3 0/4] KVM: nVMX: fix CR3 load if L2 uses PAE paging and EPT

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The series addresses a specific issue with guest CR3 load on nested vmentry
as well as a few additional changes related to handling guest and host CR3.

v2->v3:

* split to 4 patches
* fixed the error code used on host PDPTE load failure
* added a vmentry host CR3 validity check + new nested_cr3_valid helper

v1->v2:

* introduced nested_vmx_load_cr3 (more error handling, less MMU work)
* also handles nested exit in addition to nested entry
* amended commit description

Ladi Prosek (4):
      KVM: nVMX: fix CR3 load if L2 uses PAE paging and EPT
      KVM: nVMX: propagate errors from prepare_vmcs02
      KVM: nVMX: introduce nested_vmx_load_cr3 and call it on vmentry
      KVM: nVMX: check host CR3 on vmexit

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