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    SubjectRe: Do the x86 kernel entry points need an xabort on TSX cpus?
    On 02/10/2012 09:24 AM, Andy Lutomirski wrote:
    >
    > Is that architecturally guaranteed? (My manual suggests that it's
    > specifically *not* guaranteed, which is surprising.)
    >

    I asked internally for a statement, and got the following:

    "Intel does not expect operating systems to require XABORT at the entry
    points. Intel takes system security extremely seriously and that any
    functionality added is scrutinized for security implications."

    -hpa



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