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    SubjectRe: [RFCv1 7/7] KVM: unmap guest memory using poisoned pages
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    Christophe de Dinechin <cdupontd@redhat.com> writes:

    > Is there even a theoretical way to restore an encrypted page e.g. from (host)
    > swap without breaking the integrity check? Or will that only be possible with
    > assistance from within the encrypted enclave?

    Only the later.

    You would need balloning. It's in principle possible, but currently
    not implemented.

    In general host swap without balloning is usually a bad idea anyways
    because it often just swaps a lot of cache data that could easily be
    thrown away instead.

    -andi

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