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    SubjectRe: [RFC PATCH v2 04/20] x86: Secure Memory Encryption (SME) support
    On Mon, 22 Aug 2016, Tom Lendacky wrote:

    > Provide support for Secure Memory Encryption (SME). This initial support
    > defines the memory encryption mask as a variable for quick access and an
    > accessor for retrieving the number of physical addressing bits lost if
    > SME is enabled.

    What is the reason that this needs to live in assembly code?

    Thanks,

    tglx

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