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    SubjectRe: [PATCH v6 23/34] x86, realmode: Decrypt trampoline area if memory encryption is active
    On Wed, Jun 07, 2017 at 02:17:09PM -0500, Tom Lendacky wrote:
    > When Secure Memory Encryption is enabled, the trampoline area must not
    > be encrypted. A CPU running in real mode will not be able to decrypt
    > memory that has been encrypted because it will not be able to use addresses
    > with the memory encryption mask.
    >
    > A recent change that added a new system_state value exposed a warning
    > issued by early_ioreamp() when the system_state was not SYSTEM_BOOTING.
    > At the stage where the trampoline area is decrypted, the system_state is
    > now SYSTEM_SCHEDULING. The check was changed to issue a warning if the
    > system_state is greater than or equal to SYSTEM_RUNNING.

    This piece along with the hunk touching system_state absolutely needs to
    be a separate patch as it is unrelated.

    --
    Regards/Gruss,
    Boris.

    Good mailing practices for 400: avoid top-posting and trim the reply.

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