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Maxim Levitsky c74ad08f33 KVM: nSVM: fix few bugs in the vmcb02 caching logic
* Define and use an invalid GPA (all ones) for init value of last
  and current nested vmcb physical addresses.

* Reset the current vmcb12 gpa to the invalid value when leaving
  the nested mode, similar to what is done on nested vmexit.

* Reset	the last seen vmcb12 address when disabling the nested SVM,
  as it relies on vmcb02 fields which are freed at that point.

Fixes: 4995a3685f ("KVM: SVM: Use a separate vmcb for the nested L2 guest")

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20210503125446.1353307-3-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2021-05-03 11:25:37 -04:00
arch KVM: nSVM: fix few bugs in the vmcb02 caching logic 2021-05-03 11:25:37 -04:00
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virt kvm: exit halt polling on need_resched() as well 2021-05-03 11:25:36 -04:00
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