[PATCH 0/7] KVM: SVM: baby steps towards nested state migration

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Here are some refactorings to prepare for an SVM implementation of
KVM_SET_NESTED_STATE.  It's a prerequisite for that to eliminate
exit_required, moving exceptions to svm_check_nested_events.  However:

- I might work on that soon, because it's needed to handle RSM when
the L1 hypervisor wants to get it from #UD rather than the specific
RSM intercept

- this should be enough to get a quick prototype, that I need in order to
debug a particularly crazy bug and figure out its reproducibility.

So, I am getting these patches out of my todo list for now.

Thanks,

Paolo

Paolo Bonzini (7):
  KVM: SVM: move map argument out of enter_svm_guest_mode
  KVM: SVM: extract load_nested_vmcb_control
  KVM: SVM: extract preparation of VMCB for nested run
  KVM: SVM: save all control fields in svm->nested
  KVM: nSVM: remove HF_VINTR_MASK
  KVM: nSVM: do not reload pause filter fields from VMCB
  KVM: SVM: introduce data structures for nested virt state

 arch/x86/include/asm/kvm_host.h |   1 -
 arch/x86/include/uapi/asm/kvm.h |  26 +++++++-
 arch/x86/kvm/svm/nested.c       | 115 +++++++++++++++++---------------
 arch/x86/kvm/svm/svm.c          |  11 ++-
 arch/x86/kvm/svm/svm.h          |  28 +++++---
 5 files changed, 116 insertions(+), 65 deletions(-)

-- 
2.18.2




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