KVM: nSVM: implement on demand allocation of the nested state

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This way we don't waste memory on VMs which don't use nesting
virtualization even when the host enabled it for them.

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20201001112954.6258-5-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Maxim Levitsky 2020-10-01 14:29:54 +03:00 • committed by Paolo Bonzini

parent 72f211ecaa

commit 2fcf4876ad

3 changed files with 83 additions and 28 deletions

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42

arch/x86/kvm/svm/nested.c

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61

arch/x86/kvm/svm/svm.c

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8

arch/x86/kvm/svm/svm.h

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